Small-size heat exchange fresh air machine

Abstract

The utility model relates to the technical field of fresh air heat exchange, in particular to a small-size heat exchange fresh air machine, which has a cuboid main body, comprises a lower cover plate, an upper 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. According to the small-size heat exchange fresh air machine, the lengths of the two air paths are shortened as much as possible, the occupied space of the air exchange machine can be reduced to the maximum extent, the size of the air exchange machine is obviously reduced, the occupied space of the vertically-installed air exchange machine in the air exchange machine can be reduced, the two air exchange machines are arranged on the same side of the air exchange machine, and the air exchange machine is convenient to use. The air inlets of the fans are all in the horizontal direction, so that the air resistance of the air paths is reduced, and the air flow is smoother and more uniform.

Description

Technical Field

[0001] The utility model relates to the technical field of fresh air heat exchange, in particular to a small-volume heat-exchanging fresh air fan. Background Art

[0002] The main function of the fresh air ventilator is to add fresh air to the room and discharge the dirty air in the room. In this process, the heat exchanger is used to recover the indoor heat or cold. Therefore, the reasonable design of the functional components inside the fresh air ventilator is the key to achieving efficient heat exchange. The necessary functional components in the fresh air ventilator are filters, heat exchangers, fans, and various baffles that constitute the air path. If these functional components are to be reasonably placed in the fresh air ventilator, it will often lead to the fresh air ventilator being too large, which is not conducive to installation in places with smaller spaces. However, due to the limited internal space, small-volume fresh air ventilators have problems such as unreasonable air path design and poor heat exchange effect.

[0003] Chinese patent CN220669596U discloses a duct air conditioner, which achieves the purpose of indoor air heat exchange by setting two vertical heat exchange fans, and at the same time makes the duct air conditioner have the advantage of small size. Although the duct air conditioner is provided with two heat exchange fans, the air path design is more reasonable, the air duct is short and has no disturbance, etc., but the duct air conditioner can only heat the fresh air entering the room, and cannot discharge the indoor air at the same time. The single air path design cannot achieve heat exchange between indoor return air and outdoor fresh air. Summary of the invention

[0004] Existing fresh air ventilators are generally large in size and limited in usage scenarios, and small-volume fresh air ventilators have the disadvantage of low heat exchange efficiency due to their own small size or can only be designed with a single air path without the function of heat exchange. In view of this problem, the utility model provides a small-volume heat exchange fresh air fan, whose main body is a rectangular parallelepiped, including a lower cover plate, an upper cover plate, a first side plate, a second side plate, a third side plate and a fourth side plate. The main body is divided into a heat exchange area and a power area, and a partition is provided between the heat exchange area and the power area;

[0005] The heat exchange area includes a fresh air inlet, a filter, a heat exchanger and an exhaust air inlet. The fresh air inlet is arranged on the outside of the first side panel, and the exhaust air inlet is arranged on the outside of the third side panel. An inclined fresh air oblique baffle is fixed on the first side panel at the fresh air inlet. The upper edge of the fresh air oblique baffle is fixedly connected to a horizontally arranged filter platform. The sides of the fresh air oblique baffle and the filter platform are respectively fixed and sealed with the fourth side panel and the partition. The filter is fixed on the filter platform. The four vertical sides are respectively fixed and sealed with the fourth side panel and the partition through fixing strips. The upper plane is in airtight contact with the lower cover plate. A limiting groove a is fixed on the other side of the filter platform. An inclined exhaust oblique baffle is fixed on the third side panel at the exhaust air inlet. The sides of the exhaust oblique baffle are respectively fixed and sealed with the fourth side panel and the partition. A limiting groove b is fixed on the upper side of the exhaust oblique baffle. The left and right side edges of the heat exchanger are respectively stuck in the limiting groove a and the limiting groove b, and the upper and lower edges are respectively in airtight contact with the lower cover plate and the upper cover plate.

[0006] The power zone includes a fresh air outlet, a fresh air fan, an exhaust fan and an exhaust outlet. The fresh air outlet is arranged on the outside of the first side plate, the exhaust outlet is arranged on the outside of the third side plate, the fresh air fan is arranged on the inside of the fresh air outlet, the exhaust fan is arranged on the inside of the exhaust outlet, a fan partition is arranged between the fresh air fan and the exhaust fan, the four sides of the fan partition are respectively sealed with the lower cover plate, the second side plate, the upper cover plate and the partition, and the fresh air fan and the exhaust fan are both vertically fixed on the second side plate through a fan fixing frame;

[0007] A fresh air passage opening is arranged on the partition below the exhaust oblique baffle, an exhaust air passage opening is arranged on the partition below the fresh air oblique baffle and the filter platform, and a main board is arranged on the outer side surface of the fourth side panel.

[0008] Furthermore, the second side panel and the fourth side panel are respectively provided with lifting feet, which facilitates the rapid lifting of the small-volume heat exchange fresh air fan of the utility model, avoiding the need to construct a supporting structure for embedded installation.

[0009] Furthermore, an inspection port is provided on the lower cover plate to facilitate the inspection or replacement of the filter and the heat exchanger.

[0010] The beneficial effects of the utility model are:

[0011] 1. The small-volume heat-exchanging fresh air fan of the utility model reasonably designs independent fresh air duct and exhaust air duct in a relatively small space. Specifically, the two air ducts enter from the upper inclined surface of the inclined heat exchanger through the fresh air oblique baffle, the filter platform and the exhaust air oblique baffle, and then exit from the opposite lower inclined surface, so as to achieve crossover but no mixing, thereby achieving the best heat exchange effect. After the heat exchange is completed, the air enters the power area from the fresh air duct opening and the exhaust duct opening, and is discharged from the ventilator under the drive of the fan. The small-volume heat-exchanging fresh air fan of the utility model shortens the length of the two air ducts as much as possible, which can minimize the space occupied by the ventilator and significantly reduce the volume of the ventilator.

[0012] 2. The utility model provides two independent vertically mounted fans for the two air passages. The vertically mounted fans can reduce the occupied volume in the ventilator. The two fans are arranged on the same side of the ventilator, both at the end of their respective air passages and the air inlets of the fans are in a horizontal direction, thereby reducing the wind resistance of the air passages and making the air flow smoother and more even. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a bottom view of the internal structure of the small-volume heat exchange fresh air fan of the utility model.

[0014] Figure 2 It is a top view of the internal structure of the small-volume heat exchange fresh air fan of the utility model.

[0015] Figure 3 It is a cross-sectional view of the heat exchange zone of the small-volume heat exchange fresh air fan of the utility model from the direction of the fourth side plate.

[0016] Figure 4 It is a cross-sectional view of the heat exchange area of ​​the small-volume heat exchange fresh air fan of the utility model from the direction of the second side plate.

[0017] Figure 5 It is a top view of the exterior of the small-volume heat exchange fresh air fan of the utility model.

[0018] The parts are:

[0019] 1-1, lower cover plate, 1-2, upper cover plate, 1-3, first side plate, 1-4, second side plate, 1-5, third side plate, 1-6, fourth side plate, 1-7, partition plate, 1-8, fresh air duct opening, 1-9, exhaust duct opening, 1-10, lifting foot, 1-11, main board, 1-12, maintenance opening;

[0020] 2-1, fresh air inlet, 2-2, filter, 2-3, heat exchanger, 2-4, exhaust air inlet, 2-5, fresh air oblique baffle, 2-6, filter platform, 2-7, fixing bar, 2-8, limit slot a, 2-9, limit slot b, 2-10, exhaust air oblique baffle;

[0021] 3-1. Fresh air outlet, 3-2. Fresh air fan, 3-3. Fan partition, 3-4. Exhaust fan, 3-5. Exhaust air outlet, 3-6. Fan fixing frame. DETAILED DESCRIPTION

[0022] The present invention is described below in conjunction with examples, which are only used to explain the present invention and are not used to limit the scope of the present invention.

[0023] like Figure 1~Figure 5As shown, the utility model provides a small-volume heat exchange fresh air fan, whose main body is a rectangular parallelepiped, including a lower cover plate 1-1, an upper cover plate 1-2, a first side plate 1-3, a second side plate 1-4, a third side plate 1-5 and a fourth side plate 1-6, the main body is divided into a heat exchange area and a power area, a partition plate 1-7 is provided between the heat exchange area and the power area, the second side plate 1-4 and the fourth side plate 1-6 are respectively provided with lifting feet 1-10, and the lower cover plate 1-1 is provided with an inspection port 1-12;

[0024] The heat exchange area includes a fresh air inlet 2-1, a filter 2-2, a heat exchanger 2-3 and an exhaust air inlet 2-4. The fresh air inlet 2-1 is arranged on the outside of the first side plate 1-3, and the exhaust air inlet 2-4 is arranged on the outside of the third side plate 1-5. An inclined fresh air oblique baffle 2-5 is fixed on the first side plate 1-3 at the fresh air inlet 2-1. The upper edge of the fresh air oblique baffle 2-5 is fixedly connected with a horizontally arranged filter platform 2-6. The sides of the fresh air oblique baffle 2-5 and the filter platform 2-6 are respectively fixedly and tightly connected with the fourth side plate 1-6 and the partition 1-7. The filter 2-2 is fixed on the filter platform 2-6. The four vertical sides are respectively connected by fixing strips 2- 7 is fixedly and tightly connected with the fourth side plate 1-6 and the partition plate 1-7, the upper plane is in tight contact with the lower cover plate 1-1, the other side of the filter platform 2-6 is fixed with a limiting groove a2-8, the third side plate 1-5 at the exhaust inlet 2-4 is fixed with an inclined exhaust oblique baffle 2-10, the side edges of the exhaust oblique baffle 2-10 are respectively fixedly and tightly connected with the fourth side plate 1-6 and the partition plate 1-7, the upper edge of the exhaust oblique baffle 2-10 is fixed with a limiting groove b2-9, the left and right side edges of the heat exchanger 2-3 are respectively stuck in the limiting groove a2-8 and the limiting groove b2-9, and the upper and lower edges are respectively in tight contact with the lower cover plate 1-1 and the upper cover plate 1-2;

[0025] The power zone includes a fresh air outlet 3-1, a fresh air fan 3-2, an exhaust air fan 3-4 and an exhaust air outlet 3-5. The fresh air outlet 3-1 is arranged on the outside of the first side plate 1-3, and the exhaust air outlet 3-5 is arranged on the outside of the third side plate 1-5. The fresh air fan 3-2 is arranged on the inside of the fresh air outlet 3-1, and the exhaust air fan 3-4 is arranged on the inside of the exhaust air outlet 3-5. A fan partition 3-3 is arranged between the fresh air fan 3-2 and the exhaust air fan 3-4. The four sides of the fan partition 3-3 are respectively sealed with the lower cover plate 1-1, the second side plate 1-4, the upper cover plate 1-2 and the partition plate 1-7. The fresh air fan 3-2 and the exhaust air fan 3-4 are both vertically fixed on the second side plate 1-4 through a fan fixing frame 3-6;

[0026] A fresh air duct opening 1-8 is provided on the partition 1-7 located below the exhaust oblique baffle 2-10, an exhaust air duct opening 1-9 is provided on the partition 1-7 located below the fresh air oblique baffle 2-5 and the filter platform 2-6, and a main board 1-11 is provided on the outer surface of the fourth side panel 1-6.

[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A small-volume heat exchange fresh air fan, whose main body is a rectangular parallelepiped, comprising a lower cover plate (1-1), an upper cover plate (1-2), a first side plate (1-3), a second side plate (1-4), a third side plate (1-5) and a fourth side plate (1-6), characterized in that: The main body is divided into a heat exchange area and a power area, and a partition (1-7) is provided between the heat exchange area and the power area; The heat exchange area comprises a fresh air inlet (2-1), a filter (2-2), a heat exchanger (2-3) and an exhaust air inlet (2-4); the fresh air inlet (2-1) is arranged on the outside of the first side plate (1-3); the exhaust air inlet (2-4) is arranged on the outside of the third side plate (1-5); an inclined fresh air oblique baffle (2-5) is fixed on the first side plate (1-3) at the fresh air inlet (2-1); the upper edge of the fresh air oblique baffle (2-5) is fixedly connected to a horizontally arranged filter platform (2-6); the side edges of the fresh air oblique baffle (2-5) and the filter platform (2-6) are respectively fixedly and hermetically connected to the fourth side plate (1-6) and the partition plate (1-7); the filter (2-2) is fixed on the filter platform (2-6); and the four vertical edges are respectively connected by fixing strips (2 -7) is fixedly and tightly connected to the fourth side plate (1-6) and the partition plate (1-7), the upper plane is in tight contact with the lower cover plate (1-1), a limiting groove a (2-8) is fixed on the other side of the filter platform (2-6), an inclined exhaust oblique baffle (2-10) is fixed on the third side plate (1-5) at the exhaust inlet (2-4), the side edges of the exhaust oblique baffle (2-10) are respectively fixedly and tightly connected to the fourth side plate (1-6) and the partition plate (1-7), a limiting groove b (2-9) is fixed on the upper edge of the exhaust oblique baffle (2-10), the left and right side edges of the heat exchanger (2-3) are respectively stuck in the limiting groove a (2-8) and the limiting groove b (2-9), and the upper and lower edges are respectively in tight contact with the lower cover plate (1-1) and the upper cover plate (1-2); The power zone comprises a fresh air outlet (3-1), a fresh air fan (3-2), an exhaust fan (3-4) and an exhaust outlet (3-5), wherein the fresh air outlet (3-1) is arranged on the outside of the first side plate (1-3), the exhaust outlet (3-5) is arranged on the outside of the third side plate (1-5), the fresh air fan (3-2) is arranged on the inside of the fresh air outlet (3-1), and the exhaust fan (3-4) is arranged on the inside of the exhaust outlet (3-5). On the inner side of the housing, a fan partition (3-3) is provided between the fresh air fan (3-2) and the exhaust air fan (3-4), the four sides of the fan partition (3-3) are respectively tightly connected to the lower cover plate (1-1), the second side plate (1-4), the upper cover plate (1-2) and the partition (1-7), and the fresh air fan (3-2) and the exhaust air fan (3-4) are both vertically fixed on the second side plate (1-4) by a fan fixing frame (3-6); A fresh air passage opening (1-8) is provided on the partition plate (1-7) below the exhaust air inclined baffle plate (2-10), an exhaust air passage opening (1-9) is provided on the partition plate (1-7) below the fresh air inclined baffle plate (2-5) and the filter platform (2-6), and a main board (1-11) is provided on the outer side surface of the fourth side plate (1-6).

2. The small-volume heat exchange fresh air fan according to claim 1 is characterized in that: The second side plate (1-4) and the fourth side plate (1-6) are respectively provided with lifting feet (1-10).

3. The small-volume heat exchange fresh air fan according to claim 1 is characterized in that: The lower cover plate (1-1) is provided with an inspection opening (1-12).

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