CN111998481A - A double heat exchange cabinet type noise reduction fresh fan - Google Patents

Abstract

A double heat exchange cabinet type noise reduction fresh air fan, comprising a cabinet body, a fresh air fan, an exhaust air fan and a heat exchanger assembly, a partition plate is fixedly installed in the cabinet body, and the cabinet body is sequentially separated from bottom to top into air intake, The ventilation cavity for exhaust air, the heat exchange cavity for heat exchange of the gas, the fresh air cavity for installing the fresh air power system and the high-efficiency filter cavity for further filtering the air entering the room, the exhaust fan is fixedly installed in the ventilation cavity, and the heat The heat exchanger assembly is fixedly installed in the heat exchange cavity, the fresh air fan is fixedly installed in the fresh air cavity, the high efficiency filter assembly is fixedly installed in the high efficiency filter cavity, and a return air port is dug on the side wall of the heat exchange cavity, and the exhaust fan works, making the The indoor air flows into the heat exchanger assembly through the return air outlet, and the heat exchanger assembly facilitates heat exchange between the air entering the room and the air discharged outside, effectively reducing the energy consumption of the fresh air fan.

Description

A double heat exchange cabinet type noise reduction fresh fan

technical field

The invention belongs to the field of fresh air fans, in particular to a double heat exchange cabinet type noise reduction fresh air fan.

Background technique

At present, with the continuous improvement of the industrial level, the problems shown by industrial manufacturing are constantly exposed, such as the continuous decline of air quality, which threatens people's health at this moment. Now there are many air purifiers and fresh air systems on the market, etc. , is to make the indoor air cleaner, let people have a good air environment at home, and improve the quality of life. However, during the use of the fresh air system, due to the different indoor and outdoor temperatures in summer and winter, resulting in The air being fed in is either too cold or too hot, causing discomfort to the human body and increasing energy consumption if a temperature control system is installed.

SUMMARY OF THE INVENTION

In view of the above deficiencies, the technical problem to be solved by the present invention is to provide a double heat exchange cabinet type noise reduction fresh fan, which can perform heat exchange between the air entering the room and the air discharged outside, and reduce the energy consumption of the fresh fan.

In order to solve the above technical problems, the technical scheme adopted in the present invention is,

A double heat exchange cabinet type noise reduction fresh air fan, including a cabinet body, a fresh air fan, an exhaust fan and a heat exchanger assembly, a partition plate is fixedly installed in the cabinet body, and the cabinet body is sequentially divided into ventilation chambers, heat exchangers from bottom to top. The exchange cavity, the fresh air cavity and the high-efficiency filter cavity, the exhaust fan is fixedly installed in the ventilation cavity, the heat exchanger component is fixedly installed in the heat exchange cavity, the fresh air fan is fixedly installed in the fresh air cavity, and the high-efficiency filter cavity is fixedly installed in the high-efficiency filter cavity. In the filter assembly, an air return port is dug on the side wall of the heat exchange cavity.

Further, the heat exchanger assembly includes a first heat exchanger and a second heat exchanger arranged symmetrically in pairs, and correspondingly, both ends of the heat exchange cavity are provided with air return ports.

Further, a return air plate is fixedly installed on the side wall of the heat exchange cavity, the return air plate and the side wall of the cabinet form a return air cavity, and a return air guide plate is fixedly installed on the outer side of the return air cavity, and the return air guide plate is installed. It is connected with the heat exchanger assembly, and a return air filter is fixedly installed between the return air guide plate and the return air plate.

Further, the heat exchange cavity and the fresh air cavity are separated by a second partition plate, and a circulating air valve is fixedly installed on the second partition plate. The circulating air valve is connected with the return air guide plate, and is guided by the return air guide plate It flows into the circulating air valve, which is fixedly installed in the fresh air chamber.

Further, the fresh air fan includes a fresh air fixing frame and a fresh air fan, the fresh air fixing frame is fixedly installed in the fresh air cavity, the fresh air fan is fixedly installed on the fresh air fixing frame, and a first guide surface is arranged on the fresh air fixing frame.

Further, the fresh air fixing frame includes a transverse partition plate and a fresh air fan fixing frame, the fresh air fan is fixedly connected with the fresh air fan fixing frame, the fresh air fan fixing frame is fixedly installed on the transverse partition board, and an air inlet is arranged on the transverse partition board, and the first guide The flow surface is fixedly connected to the air inlet.

Further, the fresh air cavity and the high-efficiency filter cavity are separated by a third partition board assembly. The third partition board component includes a partition installation board and a third partition board. The two ends of the plate are respectively fixedly connected with the partition mounting plate, and a medium-efficiency filter screen is also fixedly installed between the adjacent partition mounting plates, and the medium-efficiency filter screen is located in the fresh air cavity.

Further, the high-efficiency filter assembly includes a high-efficiency filter screen, a filter screen mounting plate and a germicidal lamp, the filter screen mounting plate is fixedly installed on the side wall of the cabinet, and the high-efficiency filter screen is fixedly installed between the filter screen mounting plate and the third partition board. , the germicidal lamp is fixedly installed on the inner side of the filter screen mounting plate.

Further, there are two high-efficiency filter screens in the high-efficiency filter assembly. The high-efficiency filter screen, the filter screen installation plate and the third partition plate form a filter cavity. The germicidal lamp is fixedly installed in the filter cavity, and the third partition plate is provided with Through holes, the high-efficiency filter assembly cover is arranged at the through holes.

Further, the ventilation cavity and the heat exchange cavity are separated by a first partition plate, the exhaust fan is fixedly installed on the first partition plate, the exhaust fan is connected with the heat exchanger assembly, and the exhaust fan is provided with a second guide. On the flow surface, the primary effect filter assembly is also fixedly installed in the ventilation chamber. The primary effect filter assembly is located below the exhaust fan. The side wall of the ventilation chamber is dug with an exhaust hole and an air intake hole. The efficient filter assembly is connected, and the exhaust hole is connected with the exhaust fan.

The beneficial effects of the present invention are: (1) The arrangement of the heat exchanger assembly facilitates heat exchange between the air entering the room and the air discharged outside, and effectively reduces the energy consumption of the fresh air blower.

(2) Through the symmetrically arranged first heat exchanger and second heat exchanger, the airflow drawn into the first heat exchanger and the second heat exchanger forms a hedge, reducing the airflow velocity, thereby reducing the wind noise during exhaust air. , so that the new fan has a better mute effect.

Description of drawings

Figure 1 is a schematic structural diagram of the present invention.

FIG. 2 is a cross-sectional view of the present invention.

FIG. 3 is a partial enlarged view at A. FIG.

Figure 4 is a rear view of the new fan.

Reference numerals: cabinet 1, fresh air fan 2, exhaust fan 3, heat exchanger assembly 4, ventilation cavity 5, heat exchange cavity 6, fresh air cavity 7, high efficiency filter cavity 8, high efficiency filter assembly 9, air return port 10 , the first heat exchanger 11, the second heat exchanger 12, the return air plate 13, the return air cavity 14, the return air guide plate 15, the return air filter screen 16, the second partition plate 17, the circulating air valve 18, Fresh air fixing frame 19, fresh air fan 20, first guide surface 21, diaphragm 22, fresh air fan fixing frame 23, air inlet 24, third baffle plate assembly 25 partition mounting plate 26, third partition plate 27, medium effect Filter screen 28, high-efficiency filter screen 29, filter screen mounting plate 30, germicidal lamp 31, filter cavity 32, first partition plate 33, second guide surface 34, primary filter assembly 35, exhaust hole 36, air intake hole 37. Exhaust bracket 38, exhaust fan 39, primary filter 40, primary fixing frame 41.

Detailed ways

The present invention will be further described below with reference to the accompanying drawings.

A double heat exchange cabinet type noise reduction fresh air fan, comprising a cabinet body 1, a fresh air fan 2, an exhaust fan 3 and a heat exchanger assembly 4, a partition plate is fixedly installed in the cabinet body 1, and the cabinet body 1 is arranged in order from bottom to top It is divided into ventilation cavity 5 for air intake and exhaust, heat exchange cavity 6 for heat exchange of gas, fresh air cavity 7 for installing fresh air power system and high efficiency filter cavity 8 for further filtering the air entering the room. The fan 3 is fixedly installed in the ventilation cavity 5, the heat exchanger assembly 4 is fixedly installed in the heat exchange cavity 6, the fresh air fan 3 is fixedly installed in the fresh air cavity 5, and the high-efficiency filter cavity 6 is fixedly installed with a high-efficiency filter assembly 9, A return air port 10 is dug on the side wall of the heat exchange chamber 6, and the exhaust fan 3 works, so that the indoor air flows into the heat exchanger assembly 4 through the return air port 10. The heat exchange between the air and the air discharged from the outside can effectively reduce the energy consumption of the fresh air fan.

The heat exchanger assembly 4 includes a first heat exchanger 11 and a second heat exchanger 12 that are symmetrically arranged in pairs. Correspondingly, both ends of the heat exchange cavity 6 are provided with air return ports 10 , that is, two sides of the cabinet 1 are provided. A return air port 10 is provided on each opposite surface, so that the air flow sucked into the first heat exchanger 11 and the second heat exchanger 12 forms a hedge, reducing the flow rate of the air flow, thereby reducing the wind noise during exhaust air, so that the fresh air fan has more Good mute effect.

A return air plate 13 is fixedly installed on the side wall of the heat exchange chamber 6. The air return plate 13 and the side wall of the cabinet form a return air cavity 14. The indoor air flows into the return air cavity 14 through the return air port 10, and the air flows in the return air cavity. A vortex is formed in 14, which reduces the airflow velocity and further reduces wind noise. A return air guide plate 15 is fixedly installed on the outside of the return air cavity 14. A return air filter 16 is fixedly installed between the flow plate 15 and the air return plate 13, and the indoor air flows into the return air cavity 14 through the return air port 10, and then the air is guided into the heat exchange assembly 4 through the return air guide plate 15. heat exchange.

The heat exchange chamber 6 and the fresh air chamber 7 are separated by a second partition plate 17, a circulating air valve 18 is fixedly installed on the second partition plate 17, and the circulating air valve 18 is connected with the return air guide plate 15, that is, through The return air deflector 15 guides the air into the circulating air valve 18. Through the setting of the circulating air valve 18, the indoor and outdoor isolation is maintained when the machine is turned off, and the outdoor air does not enter the room, preventing the influence of backflow and noise. The circulating air valve 18 It is fixedly installed in the fresh air chamber 7, and the second partition plate 17 is provided with an air hole, and the position of the air hole corresponds to the outlet of the circulating air valve 18 and the heat exchanger.

The fresh air fan 2 includes a fresh air fixing frame 19 and a fresh air fan 20, the fresh air fixing frame 19 is fixedly installed in the fresh air cavity 7, the fresh air fan 20 is fixedly installed on the fresh air fixing frame 19, and a first air guide surface is arranged on the fresh air fixing frame 19 21. The first air guide surface 21 is arc-shaped, and the first air guide surface 21 is disposed toward the suction fan 20. The air sucked by the fresh fan 20 is guided through the first air guide surface 21 to reduce wind noise.

The fresh air fixing frame 19 includes a diaphragm 22 and a fresh air fan fixing frame 23, the fresh air fan 20 is fixedly connected with the fresh air fan fixing frame 23, the fresh air fixing frame 23 is fixedly installed on the transverse dividing plate 22, and an inlet is provided on the transverse dividing plate 22. The tuyere 24, the first guide surface 21 is fixedly connected to the air inlet 24, and by setting the first guide surface 21 on the air inlet 24, the air inhaled by the fresh fan 20 is guided to reduce wind noise, and the diaphragm 23 There are ventilation holes on it, and the positions of the ventilation holes correspond to the positions of the fresh air blower 20 .

The fresh air cavity 7 and the high-efficiency filter cavity 8 are separated by a third partition board assembly 25 . The third partition board assembly 25 includes a partition installation plate 26 and a third partition board 27 , and the partition installation board 26 is fixedly installed on the inner side wall of the cabinet 1 . Above, the two ends of the third partition plate 27 are respectively fixedly connected with the partition installation plate 26, and a medium-efficiency filter screen 28 is also fixedly installed between the adjacent partition installation plates 26. The arrangement of the partition installation plate 26 facilitates the fixed installation of the third partition plate 27 and the medium-efficiency filter screen 28, thereby improving the installation efficiency.

The high-efficiency filter assembly 9 includes a high-efficiency filter screen 29, a filter screen mounting plate 30 and a germicidal lamp 31. The filter screen mounting plate 30 is fixedly installed on the side wall of the cabinet 1, and the high-efficiency filter screen 29 is fixedly installed on the filter screen mounting plate 30 and the first. Between the three partition plates 27 , the germicidal lamp 31 is fixedly installed on the inner side of the filter screen installation plate 30 . The installation of the high-efficiency filter screen 29 facilitates further filtering of the air flowing into the room, and the germicidal lamp 31 is used to filter the high-efficiency filter screen 29 . To further sterilize and improve the air quality of the air flowing into the room, a fresh air outlet is provided on the top of the high-efficiency filter cavity 8, and the air after passing through the high-efficiency filter assembly 9 flows into the room through the fresh air outlet 42.

There are two high-efficiency filter screens 29 in the high-efficiency filter assembly 9. The high-efficiency filter screen 29, the filter screen mounting plate 30, and the third partition plate 27 form a filter cavity 32. The germicidal lamp 31 is fixedly installed in the filter cavity 32. The partition plate 27 is provided with a through hole, the through hole is used for air flow to pass through, and the high-efficiency filter assembly 9 is covered at the through hole to prevent the air flow from directly flowing into the room through the hole, and improve the quality of the air flowing into the room.

The ventilation cavity 5 and the heat exchange cavity 6 are separated by the first partition plate 33, the exhaust fan 3 is fixedly installed on the first partition plate 33, the exhaust fan 3 is connected with the heat exchanger assembly 4, and the exhaust fan 3 is inside A second guide surface 34 is provided, and the setting of the second guide surface 34 facilitates the guide of the air at the exhaust place and reduces the wind noise of the airflow. A primary filter assembly 35 is also fixedly installed in the ventilation chamber 5. The primary effect filter assembly 35 is located below the exhaust fan 3, and an exhaust hole 36 and an air intake hole 37 are dug on the side wall of the ventilation chamber 5. The air intake hole 37 is connected to the primary effect filter assembly 35, and the exhaust hole 36 Connect with the exhaust fan 3.

The exhaust fan 3 includes an exhaust bracket 38 and an exhaust fan 39. The exhaust bracket 38 is fixedly installed in the ventilation chamber 5, and the exhaust bracket 38 is connected to the heat exchanger assembly 4. The indoor air flows into the exhaust air through the heat exchanger assembly 4. In the bracket 38 , the second air guide surface 34 is fixedly connected in the exhaust bracket 38 , and the exhaust fan 39 is fixedly installed in the exhaust bracket 38 .

The primary effect filter assembly 35 includes the primary effect filter screen 40 and the primary effect fixing frame 41. The primary effect fixing frame 41 is fixedly installed at the air inlet 37, and the primary effect filter screen 40 is fixedly installed in the primary effect fixing frame 41. The filter screen 40 filters the inflowing air.

The above description of the disclosed embodiments enables any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention; thus , the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the terms corresponding to the reference numerals in the figures are used more in this paper, the possibility of using other terms is not excluded; these terms are only used to describe and explain the essence of the present invention more conveniently; they are interpreted as any Such additional limitations are contrary to the spirit of the invention.

Claims (10)

1. The utility model provides a new fan of making an uproar falls in two heat exchange cabinet types, a serial communication port, including the cabinet body (1), new fan (2), fan (3) and heat exchanger subassembly (4) exhaust, fixed mounting has the baffle in the cabinet body (1), separate into air exchange chamber (5) by supreme down with the cabinet body (1) in proper order, heat exchange chamber (6), new fan chamber (7) and high-efficient filter chamber (8), fan (3) fixed mounting exhaust is in air exchange chamber (5), heat exchanger subassembly (4) fixed mounting is in heat exchange chamber (6), new fan (2) fixed mounting is in new fan chamber (7), high-efficient filter subassembly (9) are fixed mounting in high-efficient filter chamber (8), it is equipped with return air inlet (10) to dig on the lateral wall of heat exchange chamber (6).

2. The new fan of making an uproar falls in two heat exchange cabinet types of claim 1, characterized in that, heat exchanger subassembly (4) includes first heat exchanger (11) and second heat exchanger (12) that set up in pairs symmetry, and corresponding, both ends in heat exchange chamber (6) are seted up return air inlet (10).

3. The double-heat-exchange cabinet type noise-reduction fresh air fan as claimed in claim 2, wherein a return air plate (13) is fixedly mounted on the side wall of the heat exchange cavity (6), the return air plate (13) and the side wall of the cabinet body (1) form a return air cavity (14), a return air guide plate (15) is fixedly mounted on the outer side of the return air cavity (14), the return air guide plate (15) is connected with the heat exchanger component (4), and a return air filter screen (16) is fixedly mounted between the return air guide plate (15) and the return air plate (13).

4. The double-heat-exchange cabinet type noise-reduction fresh air fan according to claim 3, wherein the heat exchange cavity (6) and the fresh air cavity (7) are separated by a second partition plate (17), a circulating air valve (18) is fixedly installed on the second partition plate (17), the circulating air valve (18) is connected with a return air guide plate (15) and is guided into the circulating air valve (18) by the return air guide plate (15), and the circulating air valve (18) is fixedly installed in the fresh air cavity (7).

5. The new fan of making an uproar falls in two heat exchange cabinet types according to claim 1, characterized in that, new fan (2) includes new trend mount (19) and new fan (20), and new trend mount (19) fixed mounting is in new trend chamber (7), and new fan (20) fixed mounting is on new trend mount (19), is equipped with first water conservancy diversion face (21) on new trend mount (19).

6. The new fan of making an uproar falls in two heat exchange cabinet types according to claim 5, characterized in that, new fan mount (19) includes horizontal partition plate (22) and new fan mount (23), new fan (20) and new fan mount (23) fixed connection, new fan mount (23) fixed mounting is on horizontal partition plate (22), be equipped with air intake (24) on horizontal partition plate (22), first water conservancy diversion face (21) fixed connection is at air intake (24).

7. The double-heat-exchange cabinet type noise-reduction fresh air fan according to claim 1, wherein the fresh air cavity (7) and the high-efficiency filter cavity (8) are separated by a third partition plate assembly (25), the third partition plate assembly (25) comprises a partition mounting plate (26) and a third partition plate (27), the partition mounting plate (26) is fixedly mounted on the side wall of the cabinet body (1), two ends of the third partition plate (27) are respectively and fixedly connected with the partition mounting plate (26), a middle-efficiency filter screen (28) is further fixedly mounted between the adjacent partition mounting plates (26), and the middle-efficiency filter screen (28) is located in the fresh air cavity (7).

8. The new fan of making an uproar falls in two heat exchange cabinet types of claim 7, characterized in that, high efficiency filter subassembly (9) includes high efficiency filter screen (29), filter screen mounting panel (30) and bactericidal lamp (31), and filter screen mounting panel (30) fixed mounting is on the lateral wall of cabinet body (1), and high efficiency filter screen (29) fixed mounting is between filter screen mounting panel (30) and third partition panel (27), and bactericidal lamp (31) fixed mounting is in the inboard of filter screen mounting panel (30).

9. The new fan of making an uproar falls in two heat exchange cabinet types of claim 8, characterized in that, be equipped with two high-efficient filter screens (29) in high-efficient filter assembly (9), high-efficient filter screen (29), filter screen mounting panel (30), third partition panel (27) enclose into filter chamber (32), sterilamp (31) fixed mounting is in filter chamber (32), has seted up the via hole on third partition panel (27), and high-efficient filter assembly (9) cover is established at the via hole department.

10. The new fan of making an uproar falls in two heat exchange cabinet types of claim 1, characterized in that, separate through first partition panel (33) between heat exchange chamber (5), heat exchange chamber (6), exhaust fan (3) fixed mounting is on first partition panel (33), exhaust fan (3) is connected with heat exchanger subassembly (4), be equipped with second water conservancy diversion face (34) in exhaust fan (3), still fixed mounting has primary filter subassembly (35) in heat exchange chamber (5), primary filter subassembly (35) is located the below of exhaust fan (3), dig on the lateral wall of heat exchange chamber (5) and be equipped with exhaust hole (36) and inlet port (37), inlet port (37) are connected with primary filter subassembly (35), exhaust hole (36) are connected with exhaust fan (3).

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