CN113339992A - Heat exchange module and new fan - Google Patents

Abstract

The invention discloses a heat exchange module and a fresh air fan, wherein the heat exchange module comprises: a housing; the heat exchange channel is arranged in the shell, and a first return air inlet and a return air outlet are respectively arranged at two ends of the heat exchange channel; a new air channel is formed by a gap between the heat exchange channel and the inner side wall of the shell, and a new air inlet and a new air outlet are formed in the two ends of the new air channel on the shell. After the new fan is started to work, outdoor air entering the new air duct along a new air inlet exchanges heat with indoor air entering the heat exchange channel, the heat exchange is carried out between the air and the outdoor air outside the shell again, therefore, the shell wraps the outdoor air in the shell and the indoor air in the heat exchange channel as the structure on the outermost side, the shell wraps the new air as the return air part to participate in heat exchange when being located indoors, the outdoor air is located between the indoor air in the heat exchange channel and the indoor air outside the shell, heat exchange is more sufficient, and the comfort of a user is improved.

Description

Heat exchange module and new fan

Technical Field

The invention relates to the technical field of ventilation systems and air purification equipment, in particular to a heat exchange module and a new fan.

Background

The new fan heat exchange efficiency who is used for the heat exchange in the market is abundant inadequately, uses new fan in-process, sends into indoor new trend and indoor temperature and differs great, brings uncomfortable experience for the user.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a heat exchange module which is beneficial to fully exchanging heat and improving the comfort of users.

The invention also provides a new fan applying the heat exchange module.

A heat exchange module according to an embodiment of the first aspect of the invention, comprises: a housing; the heat exchange channel is arranged in the shell, and a first return air inlet and a return air outlet are respectively arranged at two ends of the heat exchange channel; the heat exchange channel and a gap between the inner side walls of the shell form a fresh air channel, and both ends of the fresh air channel are provided with a fresh air inlet and a fresh air outlet on the shell.

The fresh air machine provided by the embodiment of the invention at least has the following beneficial effects: adopt above-mentioned structure, heat exchange module opens the work back, outdoor air that enters into to the fresh air duct along the new trend import carries out the heat exchange with the indoor air that enters into to the heat transfer passageway, gaseous and the outside indoor air of casing exchanges heat once more after the heat transfer, so, the casing wraps up outdoor air in the casing and the indoor air in the heat transfer passageway is whole as the structure in the outside, the casing wraps up the new trend as the return air part when being indoor and participates in the heat transfer, the outdoor air is in the centre of the indoor air of heat transfer passageway and the outside indoor air of casing, make the heat transfer more abundant, user's comfort has been improved.

According to some embodiments of the invention, the heat exchange channel is arranged around the fresh air inlet.

According to some embodiments of the invention, a first filter structure is disposed within the housing for filtering air entering along the fresh air inlet.

According to some embodiments of the invention, the first filter structure comprises a filter screen surrounding the fresh air inlet and a first filter layer arranged around the filter screen.

According to some embodiments of the invention, the heat exchange channel comprises at least one heat exchange tube.

According to some embodiments of the present invention, the heat exchange tube is provided in plurality, and the casing is provided therein with a partition structure which allows a plurality of adjacent heat exchange tubes to be arranged at equal intervals.

According to some embodiments of the present invention, the housing has a first chamber and a first partition board located in the first chamber, the first chamber is divided into a first space and a second space by the first partition board, the first partition board is provided with a first through hole for communicating the first space with the second space, the heat exchange channel and the fresh air inlet are both located in the first space, the fresh air outlet is communicated with the second space, and the housing is provided with a second return air inlet communicated with the second space and a second filter layer corresponding to the second return air inlet.

According to some embodiments of the invention, a second partition plate is arranged in the first space and located between the fresh air inlet and the heat exchange channel, and a second through hole for communicating the fresh air inlet with the area where the heat exchange channel is located is formed in the second partition plate.

According to some embodiments of the present invention, a second chamber is disposed in the housing and located at one side of the first chamber, a return air through hole communicated with the outside is disposed at one side of the second chamber, the first return air inlet and the second return air inlet are disposed at the other side of the second chamber, and both the first return air inlet and the second return air inlet are communicated with the return air through hole.

The fresh air fan according to an embodiment of the second aspect of the present invention comprises the heat exchange module described in the embodiment of the first aspect.

The fresh air machine provided by the embodiment of the invention at least has the following beneficial effects: heat exchange module sets up in new fan, new fan opens the work back, outdoor air that enters into in the new wind channel along the new wind import carries out the heat exchange with the indoor air that enters into in the heat transfer passageway, gaseous and the outside indoor air of casing exchanges heat once more after the heat transfer, so, the casing wraps up outdoor air in the casing and the indoor air in the heat transfer passageway is whole as the structure in the outside, the casing wraps up the new wind as return air part when being indoor and participates in the heat transfer, outdoor air is in the centre of the indoor air of heat transfer passageway and the outside indoor air of casing, make the heat transfer more abundant, user's comfort has been improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a first view structural diagram of a fresh air machine according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a second perspective structure of the fresh air machine according to the embodiment of the present invention;

FIG. 3 is an internal schematic view of a fresh air machine according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a fresh air machine according to an embodiment of the present invention;

FIG. 5 is an exploded view of the fresh air machine of an embodiment of the present invention;

FIG. 6 is a schematic diagram of a fresh air machine according to an embodiment of the present invention;

reference numerals:

the air conditioner comprises a shell 10, a first chamber 11, a first space 111, a second space 112, a second return air inlet 12, a second filter layer 13, a second chamber 14, a return air through hole 141, a third chamber 15 and an air outlet 151;

the heat exchange device comprises a heat exchange channel 20, a first return air inlet 21, a return air outlet 22, a heat exchange tube 23, a fresh air channel 30, a fresh air inlet 31, a fresh air outlet 32, a return air channel 40, a first fan 51 and a second fan 52;

the filter screen 61, the first filter layer 62, the partition 70, the partition projection 71;

a first partition 80, a first through hole 81, and a third through hole 82;

a second partition 90 and a second through hole 91.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

As shown in fig. 1 to 6, a heat exchange module according to an embodiment of a first aspect of the present invention includes: a housing 10; the heat exchange channel 20 is arranged in the shell 10, and two ends of the heat exchange channel 20 are respectively provided with a first return air inlet 21 and a return air outlet 22; a new air duct 30 is formed by a gap between the heat exchange channel 20 and the inner side wall of the casing 10, and a new air inlet 31 and a new air outlet 32 are arranged at two ends of the new air duct 30 on the casing 10.

According to the heat exchange module of the embodiment of the invention, by adopting the structure, after the fresh air fan is started to work, outdoor air entering the fresh air channel 30 along the fresh air inlet 31 exchanges heat with indoor air entering the heat exchange channel 20, and after heat exchange, air exchanges heat with the indoor air outside the shell 10 again, so that the shell 10 serving as the outermost structure wraps the outdoor air inside the shell 10 and the indoor air inside the heat exchange channel 20 completely, the shell 10 serving as an air return part wraps the fresh air to participate in heat exchange when being indoors, and the outdoor air is located between the indoor air inside the heat exchange channel 20 and the indoor air outside the shell 10, so that heat exchange is more sufficient, and the comfort of users is improved.

It should be noted that, as shown in fig. 2 to fig. 5, in some embodiments of the present invention, an air outlet 151 is disposed on the casing 10, the return air outlet 22 at one end of the heat exchange channel 20 is communicated with the air outlet 151 to form the return air duct 40, a first fan 51 and a second fan 52 are disposed in the casing 10, the first fan 51 is disposed in the return air duct 40, that is, between the return air outlet 22 and the air outlet 151 of the heat exchange channel 20, the indoor air in the heat exchange channel 20 can be discharged to the outside of the casing 10 along the air outlet 151 through the first fan 51, the second fan 52 is disposed in the fresh air duct 30, and the second fan 52 can pump the outdoor air entering from the fresh air inlet 31 to the fresh air outlet 32 and then deliver the outdoor air to the room, so that the air can sufficiently flow, further improve the heat exchange efficiency and the heat exchange effect, and is convenient to use.

It should be noted that, in some embodiments of the present invention, the number of the first fan 51 and the second fan 52 is one. Of course, in some embodiments, the number of the first fan 51 and the second fan 52 may be two, three, or the like, and is not limited herein.

It will be appreciated that in some embodiments of the present invention, as shown in fig. 3 to 5, the heat exchange channel 20 is disposed around the fresh air inlet 31, so that the outdoor air inside the casing 10 can exchange heat with the indoor air inside the heat exchange channel 20.

As shown in fig. 3 to 5, in some embodiments of the present invention, a first filtering structure for filtering air entering along the fresh air inlet 31 is provided inside the housing 10. By adopting the structure, the first filtering structure can filter the outdoor air entering from the fresh air inlet 31, and the filtered outdoor air exchanges heat with the outdoor air in the heat exchange channel 20, so that the structure is simple and reasonable, and the air quality is improved.

In some embodiments of the present invention, the first filtering structure includes a filtering net 61 surrounding the fresh air inlet 31 and a first filtering layer 62 disposed around the filtering net 61, and the structure is simple and easy to implement. Of course, in some embodiments, the first filtering structure may also be in other filtering forms, which is not limited herein.

It can be understood that, as shown in fig. 3 to 5, in some embodiments of the present invention, the heat exchange channel 20 includes at least one heat exchange tube 23, the heat exchange tube 23 is of a hollow structure, the first return air inlet 21 is located at one end of the heat exchange tube 23, and the return air outlet 22 is located at the other end of the heat exchange tube 23, which is simple in structure and easy to implement.

In some embodiments of the present invention, the number of the heat exchange tubes 23 is multiple, and a partition structure is disposed in the casing 10, so that the multiple adjacent heat exchange tubes 23 are arranged at equal intervals, and the adjacent heat exchange tubes 23 are kept separated by a fixed interval, which does not affect the flow of the outdoor air in the casing 10, thereby ensuring the heat exchange effect between the outdoor air in the casing 10 and the indoor air in the heat exchange tubes 23.

It should be noted that the plurality of heat exchange tubes 23 are divided into an inner heat exchange layer and an outer heat exchange layer, the outer heat exchange layer is disposed outside the inner heat exchange layer, and a space is provided between the inner heat exchange layer and the outer heat exchange layer. The structure of the inner heat exchange layer and the outer heat exchange layer is adopted, so that the heat exchange is more sufficient, and the corresponding heat exchange efficiency is higher.

Of course, in some embodiments, the plurality of heat exchange tubes 23 may also have a single layer, three layers, or more than three layers, which is not limited herein.

It will be appreciated that the heat exchange tubes 23 are of a curved configuration. Of course, in some embodiments, the heat exchange channel 20 is a straight pipe, a flat pipe, a square pipe, or a pipe with any shape, and whether the inner pipeline is a straight pipe or a pipe wound into a circular or semicircular shape, the new fan still has the above heat exchange effect, and is not limited herein.

As shown in fig. 3 to 5, in some embodiments of the present invention, the partition structure includes a partition 70, a plurality of partition protrusions 71 are arranged on the partition 70 at intervals, and the partition protrusions 71 are inserted into a gap between two adjacent heat exchange tubes 23, so that the structure is simple and easy to implement. Of course, in some embodiments, the separation structure may also be other structures, which are not limited herein.

It is understood that, as shown in fig. 3 to 5, in some embodiments of the present invention, the housing 10 has a first chamber 11 and a first partition 80 located in the first chamber 11, the first chamber 11 is divided into a first space 111 and a second space 112 by the first partition 80, the first partition 80 is provided with a first through hole 81 for communicating the first space 111 with the second space 112, the heat exchange channel 20 and the fresh air inlet 31 are located in the first space 111, the fresh air outlet 32 is communicated with the second space 112, and the housing 10 is provided with a second return air inlet 12 communicated with the second space 112 and a second filter layer 13 corresponding to the second return air inlet 12. By adopting the above structure, the fresh air duct 30 flows through the first space 111 and the second space 112, when the outdoor air in the fresh air duct 30 in the first space 111 exchanges heat with the indoor air in the heat exchange channel 20 and the indoor air outside the casing 10 respectively, the outdoor air is conveyed to the second space 112 through the second fan 52, the air in the second space 112 exchanges heat with the outdoor air entering from the second return air inlet 12 again, the heat exchange area is increased, the heat exchange efficiency and the air quality are improved, sufficient heat exchange can be realized, the outdoor air temperature is closer to the indoor temperature, and the user does not feel uncomfortable due to temperature difference change in the using process.

It is understood that in some embodiments of the present invention, a second partition plate 90 is disposed in the first space 111 between the fresh air inlet 31 and the heat exchange channel 20, and a second through hole 91 is disposed in the second partition plate 90 for communicating the fresh air inlet 31 with the area of the heat exchange channel 20. It can be understood that the second partition plate 90 divides the first space 111 into a first area and a second area, the fresh air inlet 31 and the first filtering structure are both located in the first area, the heat exchange channel 20 (i.e. the heat exchange tube 23) is located in the second area, the first area is communicated with the second area through the second through hole 91, the outdoor air in the first area is filtered through the first filtering structure, the filtered outdoor air enters the second area through the second through hole 91 of the second partition plate 90, and then the outdoor air exchanges heat with the indoor air in the heat exchange channel 20, so that the structure is simple and reasonable, and the implementation is easy.

It should be noted that, in some embodiments of the present invention, the first partition plate 80 is provided with a plurality of third through holes 82, the separating protrusions 71 of the separating member 70 correspond to the third through holes 82 one to one, and the separating protrusions 71 penetrate through the third through holes 82 and extend into gaps between adjacent heat exchange tubes 23, so that the structure is simple and the assembly and disassembly are convenient.

Of course, in some embodiments, the partition 70 may also be connected to the housing 10, and is not limited herein.

As shown in fig. 3 to 5, in some embodiments of the present invention, a second compartment 14 is disposed in the housing 10 on one side of the first compartment 11, a return air through hole 141 is disposed on one side of the second compartment 14, the first return air inlet 21 and the second return air inlet 12 are disposed on the other side of the second compartment 14, and both the first return air inlet 21 and the second return air inlet 12 are communicated with the return air through hole 141. The indoor air firstly enters the second chamber 14 through the return air through hole 141, then part of the indoor air enters the heat exchange channel 20 (namely the heat exchange tube 23) through the first return air inlet 21 and exchanges heat with the outdoor air entering the fresh air inlet 31, and the other part of the indoor air enters the second space 112 through the second return air inlet 12 and exchanges heat.

It should be noted that in some embodiments of the present invention, the second filter layer 13 is located in the second chamber 14, and the structure is simple and reasonable.

It should be noted that, in some embodiments of the present invention, the filter screen 61, the first filter layer 62, and the second filter layer 13 are all configured to be detachable, so as to facilitate disassembly, assembly, and maintenance.

It can be understood that, as shown in fig. 3 to 5, in some embodiments of the present invention, the third chamber 15 is disposed in the housing 10 and located on the other side of the first chamber 11, the air outlet 151 is located in the third chamber 15, the first fan 51 is located in the first chamber 11, and the second fan 52 is located in the second space 112, which is simple in structure and easy to implement, and reasonably utilizes the inner space of the housing 10, so that the new fan is more compact in structure, and is beneficial to reducing the volume of the new fan.

The fresh air fan according to an embodiment of the second aspect of the present invention comprises the heat exchange module described in the embodiment of the first aspect.

According to the fresh air machine provided by the embodiment of the invention, the heat exchange module is arranged in the fresh air machine, outdoor air entering the fresh air channel 30 along the fresh air inlet 31 exchanges heat with indoor air entering the heat exchange channel 20, and after heat exchange, air exchanges heat with indoor air outside the shell 10 again, so that the shell 10 serving as an outermost structure completely wraps the outdoor air in the shell 10 and the indoor air in the heat exchange channel 20, the shell 10 serving as an air return part wraps fresh air to participate in heat exchange when being indoors, and the outdoor air is positioned between the indoor air in the heat exchange channel 20 and the indoor air outside the shell 10, so that heat exchange is more sufficient, and the comfort of a user is improved.

It should be noted that, in some embodiments of the present invention, the heat exchange modules may be used alone, or two or more heat exchange modules may be used in combination, which is not limited herein.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims (10)

1. Heat exchange module, characterized in that it comprises:

a housing (10);

the heat exchange channel (20) is arranged in the shell (10), and two ends of the heat exchange channel (20) are respectively provided with a first return air inlet (21) and a return air outlet (22);

the heat exchange channel (20) and a new air channel (30) is formed by a gap between the inner side walls of the shell (10), and a new air inlet (31) and a new air outlet (32) are formed in the shell (10) at two ends of the new air channel (30).

2. Heat exchange module according to claim 1, characterised in that the heat exchange channels (20) are arranged around the fresh air inlet (31).

3. Heat exchange module according to claim 1 or 2, characterised in that the housing (10) is internally provided with a first filtering structure for filtering the air entering along the fresh air inlet (31).

4. A heat exchange module according to claim 3, characterised in that the first filter structure comprises a filter screen (61) surrounding the fresh air inlet (31) and a first filter layer (62) arranged around the filter screen (61).

5. Heat exchange module according to claim 1, wherein the heat exchange channel (20) comprises at least one heat exchange tube (23).

6. The heat exchange module as recited in claim 5, wherein the heat exchange tube (23) is plural in number, and a partition structure allowing a plurality of adjacent heat exchange tubes (23) to be arranged with equal gaps is provided in the housing (10).

7. Heat exchange module according to claim 1, characterised in that said housing (10) has a first chamber (11) therein and a first baffle (80) located in said first chamber (11), the first chamber (11) is divided into a first space (111) and a second space (112) by the first partition (80), the first partition plate (80) is provided with a first through hole (81) for communicating the first space (111) with the second space (112), the heat exchange channel (20) and the fresh air inlet (31) are both positioned in the first space (111), the fresh air outlet (32) is communicated with the second space (112), and a second return air inlet (12) communicated with the second space (112) and a second filter layer (13) corresponding to the second return air inlet (12) are arranged in the shell (10).

8. Heat exchange module according to claim 7, wherein a second partition (90) is arranged in the first space (111) and located between the fresh air inlet (31) and the heat exchange channel (20), and a second through hole (91) for communicating the fresh air inlet (31) with the area of the heat exchange channel (20) is arranged on the second partition (90).

9. The heat exchange module according to claim 7, wherein a second chamber (14) is provided in the housing (10) at one side of the first chamber (11), a return air through hole (141) communicating with the outside is provided at one side of the second chamber (14), the first return air inlet (21) and the second return air inlet (12) are provided at the other side of the second chamber (14), and the first return air inlet (21) and the second return air inlet (12) are both communicated with the return air through hole (141).

10. A fresh air machine comprising a heat exchange module as claimed in any one of claims 1 to 9.

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