CN220083245U - New fan casing - Google Patents

Abstract

The utility model discloses a fresh air machine shell which comprises a heat preservation shell, wherein the heat preservation shell comprises a bottom plate and a surrounding wall which is arranged around the periphery of the bottom plate, so that an equipment installation cavity is formed in the heat preservation shell; the device is characterized in that a heat exchanger installation position for installing a dehumidifying heat exchanger is arranged in the device installation cavity, a water receiving groove is formed in the position, corresponding to the heat exchanger installation position, on the bottom plate, and condensed water dropping on the dehumidifying heat exchanger can be collected through the water receiving groove. The water receiving tank can collect condensed water dropped in the working process of the dehumidifying heat exchanger, and a water receiving disc is not required to be arranged for the dehumidifying heat exchanger, so that the production cost of the water receiving disc can be saved; moreover, this scheme is equivalent to integrating the structure of heat preservation shell with the water collector in, need not to consider the overall arrangement problem of independent water collector again, is favorable to the compactification of new fan inner structure to arrange.

Description

New fan casing

Technical Field

The utility model relates to the technical field of air conditioning equipment, in particular to a fresh air fan shell.

Background

With the development of new fan application technology, the air treatment functions which can be realized by the new fan are more and more abundant. And heat exchange equipment such as a fin heat exchanger or a surface cooler and the like can be arranged in part of the fresh air machine, so that the fresh air can be subjected to cooling and dehumidifying treatment or heating treatment according to requirements. Because the moisture in the air can be continuously condensed on the surface of the fin heat exchanger or the surface cooler to form condensed water in the cooling and dehumidifying process, the water drops can drop downwards after reaching a certain volume, so that the water receiving tray is required to be arranged at the bottom of the fin heat exchanger or the surface cooler to receive water in order to avoid the problem of water soaking in the fresh air fan. Obviously, the setting of water collector can increase the cost of new fan to a certain extent, and the water collector can occupy certain space moreover, is unfavorable for new fan inner structure's compactification overall arrangement.

Disclosure of Invention

The aim of the embodiment of the utility model is that: the utility model provides a new fan casing, it can solve the above-mentioned problem that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a new fan casing, includes the heat preservation shell, the heat preservation shell includes the bottom plate and encloses the enclosing wall of locating in the bottom plate week to form equipment installation cavity in the heat preservation shell; the device is characterized in that a heat exchanger installation position for installing a dehumidifying heat exchanger is arranged in the device installation cavity, a water receiving groove is formed in the position, corresponding to the heat exchanger installation position, on the bottom plate, and condensed water dropping on the dehumidifying heat exchanger can be collected through the water receiving groove.

Optionally, a water collecting tank communicated with the water receiving tank is arranged on the bottom plate, and water in the water receiving tank can be collected and discharged through the water collecting tank.

Optionally, the bottom wall surface of the water receiving tank is obliquely arranged, and the water collecting tank is connected with the lowest point of the bottom wall surface of the water receiving tank.

Optionally, the bottom plate is provided with a support rib corresponding to the water receiving tank, the top surface of the support rib is horizontally arranged, and the dehumidification heat exchanger can be horizontally supported by the support rib.

Optionally, the surrounding wall comprises a left wall plate and a right wall plate which are oppositely arranged, and the heat exchanger mounting position is transversely arranged between the left wall plate and the right wall plate; the dehumidifying heat exchanger comprises a heat exchanger main body, wherein the heat exchanger main body comprises a left end plate and a right end plate, a left clamping groove is formed in the inner side of the left wall plate, a right clamping groove is formed in the inner side of the right wall plate, and the left end plate and the right end plate are respectively clamped in the left clamping groove and the right clamping groove.

Optionally, the dehumidifying heat exchanger further comprises a refrigerant inlet and outlet pipe connected to the heat exchanger main body and located at the side of the left end plate; the left wall plate is provided with a tube passing hole corresponding to the refrigerant inlet and outlet tube, and the refrigerant inlet and outlet tube can extend to the outside of the heat insulation shell through the tube passing hole.

Optionally, the left wallboard includes left wallboard main part and sealed abaculus, left wallboard main part with bottom plate structure as an organic whole, be provided with on the left wallboard main part with the embedded groove that the sealed abaculus corresponds, sealed abaculus inlay in the embedded groove is in order to seal the embedded groove, the tube hole form in the left wallboard main part with between the sealed abaculus.

Optionally, a water pump installation position for installing a drainage pump is arranged on one side, close to the left wall plate, of the equipment installation cavity, and the water collecting tank is positioned at the bottom of the water pump installation position.

Optionally, a drain pipe hole is formed in the sealing insert, and a drain pipe of the drain pump can extend out of the heat insulation shell through the drain pipe hole.

Optionally, a water pump overhaul hole corresponding to the water pump installation position is formed between the sealing insert and the left wall plate main body.

The beneficial effects of the utility model are as follows: the utility model provides a fresh air machine shell, in the heat preservation shell structure, a water receiving tank is directly arranged at the bottom of a heat exchanger installation position corresponding to a dehumidification heat exchanger, condensed water dropped in the working process of the dehumidification heat exchanger can be collected by utilizing the water receiving tank, and a water receiving disc is not required to be arranged for the dehumidification heat exchanger, so that the production cost of the water receiving disc can be omitted; moreover, this scheme is equivalent to integrating the structure of heat preservation shell with the water collector in, need not to consider the overall arrangement problem of independent water collector again, is favorable to the compactification of new fan inner structure to arrange.

Drawings

The utility model is described in further detail below with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of a fresh air machine according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a fresh air ventilator according to an embodiment of the present utility model after a top cover is opened;

fig. 3 is a schematic diagram of an internal structure of a fresh air machine according to an embodiment of the present utility model;

FIG. 4 is a schematic structural view of a heat insulation shell according to an embodiment of the present utility model;

FIG. 5 is a second schematic view of a heat insulation shell according to an embodiment of the present utility model;

FIG. 6 is an exploded view of an insulated shell according to an embodiment of the present utility model;

FIG. 7 is a cross-sectional view of an insulated shell according to an embodiment of the utility model;

fig. 8 is a schematic structural diagram of a dehumidifying heat exchanger according to an embodiment of the present utility model.

In the figure:

1. a thermal insulation shell; 11. a surrounding wall; 111. a left wall plate; 1111. a left clamping groove; 1112. a left wall plate main body; 11121. an embedding groove; 1113. a sealing slug; 1114. a pipe passing hole; 1115. drain pipe holes; 1116. a water pump overhaul port; 112. a right wall plate; 1121. a right clamping groove; 113. a heat exchanger mounting position; 1131. a water receiving tank; 1132. a support rib; 114. a water pump installation position; 1141. a water collecting tank; 12. a bottom plate; 2. a sheet metal housing; 3. a top cover; 4. a water pump access panel; 5. a dehumidifying heat exchanger; 51. a heat exchanger body; 511. a left end plate; 512. a right end plate; 52. a refrigerant inlet and outlet pipe; 6. a draining pump; 61. and (5) a water drain pipe.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model are described in further detail below, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Heat exchange equipment such as a fin heat exchanger or a surface cooler can be arranged in the existing part of fresh air machine, and cooling, dehumidifying and heating treatment or heating treatment can be carried out on fresh air according to requirements. Because the moisture in the air can be continuously condensed on the surface of the fin heat exchanger or the surface cooler to form condensed water in the cooling and dehumidifying process, the water drops can drop downwards after reaching a certain volume, so that the water receiving tray is required to be arranged at the bottom of the fin heat exchanger or the surface cooler to receive water in order to avoid the problem of water soaking in the fresh air fan. Obviously, the setting of water collector can increase the cost of new fan to a certain extent, and the water collector can occupy certain space moreover, is unfavorable for new fan inner structure's compactification overall arrangement.

As shown in fig. 1-8, the present embodiment provides a fresh air fan housing, which can be applied to a fresh air fan, and specifically, a heat exchanger, a filter, a humidifier, a fan and other devices can be installed in the fresh air fan housing, so as to implement a function of multi-effect treatment of fresh air.

The fresh air ventilator shell of the embodiment comprises a heat preservation shell 1, wherein the heat preservation shell 1 comprises a bottom plate 12 and a surrounding wall 11 which is arranged on the periphery of the bottom plate 12 in a surrounding mode, and therefore an equipment installation cavity is formed in the heat preservation shell 1; the device mounting cavity is internally provided with a heat exchanger mounting position 113 for mounting the dehumidifying heat exchanger 5, a water receiving groove 1131 is arranged on the bottom plate 12 corresponding to the heat exchanger mounting position 113, and condensed water dripped on the dehumidifying heat exchanger 5 can be collected through the water receiving groove 1131.

1-2, in the fresh air machine shell structure of the embodiment, besides the heat preservation shell 1, the fresh air machine shell structure further comprises a sheet metal shell 2 arranged outside the heat preservation shell 1 and a top cover 3 covered on the top side of the sheet metal shell 2, wherein the heat preservation shell 1 is formed by integrally injection molding a foaming material such as EPP (polyethylene terephthalate) and the like, and has the advantages of good heat preservation performance, waterproof energy consumption, easiness in molding and the like, and a clamping structure for clamping various functional equipment can be formed on the inner side directly after the heat preservation shell is molded; the sheet metal shell 2 is arranged outside, so that the outer wall of the heat preservation shell 1 can be protected, and the aesthetic property of a product can be optimized; the top sides of the heat preservation shell 1 and the sheet metal shell 2 are in an opening shape, all functional equipment in the heat preservation shell can be installed in an equipment installation cavity in the heat preservation shell 1 from top to bottom, a heat preservation cotton pad is arranged on the top side cover of the heat preservation shell 1 after installation, and finally the top cover 3 is covered and fixed.

As can be seen from the above, in the fresh air ventilator shell of the present embodiment, the heat insulation shell 1 is provided inside to mount each functional device, so that reliable fixing of each functional device can be realized; based on the excellent heat preservation performance of the heat preservation shell 1, the dissipation of internal heat or cold energy can be effectively reduced, and the power consumption is reduced.

Based on the advantages of water resistance and easy molding of the heat preservation shell 1, the water receiving groove 1131 is directly arranged at the bottom of the heat exchanger installation position 113 for installing the dehumidification heat exchanger 5, and when the heat preservation shell is applied, the dehumidification heat exchanger 5 is positioned above the water receiving groove 1131, and condensed water on the surface of the dehumidification heat exchanger falls down and can be directly collected by the water receiving groove 1131. Specifically, when the heat-insulating shell 1 according to the present embodiment is produced, after demolding, the water receiving groove 1131 is formed inside the heat-insulating shell, that is, the water receiving groove 1131 according to the present embodiment is formed in an integrally formed structure in the heat-insulating shell 1. It will be appreciated that, to avoid overflow of condensed water in the water receiving tank 1131, the water receiving tank 1131 needs to be connected with a drain pipe or a drain device such as the drain pump 6, so as to drain the accumulated water in the water receiving tank 1131 in time.

In summary, according to the fresh air ventilator housing of the embodiment, in the structure of the heat preservation housing 1, the water receiving groove 1131 is directly arranged at the bottom of the heat exchanger mounting position 113 corresponding to the dehumidification heat exchanger 5, and condensed water dropped in the working process of the dehumidification heat exchanger 5 can be collected by utilizing the water receiving groove 1131, and a water receiving disc is not required to be separately arranged for the dehumidification heat exchanger 5, so that the production cost of the water receiving disc can be omitted; moreover, this scheme is equivalent to integrating the structure of heat preservation shell 1 with the water collector in, need not to consider the overall arrangement problem of independent water collector again, is favorable to new fan inner structure's compactification to arrange.

In one embodiment, the bottom plate 12 is provided with a water collecting tank 1141 connected to the water receiving tank 1131, and the water in the water receiving tank 1131 can be collected and discharged through the water collecting tank 1141.

The water collecting tank 1141 is arranged to collect and uniformly discharge water in the water receiving tank 1131, so that the problem of overflow of the water level in the water receiving tank 1131 is avoided. Specifically, a drain pump 6 may be provided in the water collecting tank 1141 to assist in draining, or a drain pipe may be provided at the bottom of the water collecting tank 1141 to drain the water in the water collecting tank 1141 by gravity.

In one embodiment, referring to fig. 7, the bottom wall surface of the water receiving tank 1131 is inclined, and the water collecting tank 1141 is connected to the lowest point of the bottom wall surface of the water receiving tank 1131.

The bottom of the water receiving tank 1131 is prevented from being inclined, so that water in the water receiving tank 1131 can flow into the water collecting tank 1141 to be discharged in an automatic mode, and water accumulation at the bottom of the water receiving tank 1131 is avoided. Specifically, as shown in fig. 7, the bottom wall surface of the water receiving tank 1131 is vertically and horizontally arranged, the water collecting tank 1141 is disposed at the right side of the water receiving tank 1131, and when the condensed water drops into the water receiving tank 1131, the condensed water automatically flows to the right into the water collecting tank 1141.

In an embodiment, a supporting rib 1132 is disposed on the bottom plate 12 corresponding to the water receiving groove 1131, and the top surface of the supporting rib 1132 is horizontally disposed, so that the dehumidifying heat exchanger 5 can be horizontally supported by the supporting rib 1132.

Specifically, referring to fig. 7, since the bottom wall surface of the water receiving groove 1131 is an inclined surface, if the dehumidifying heat exchanger 5 is directly placed in the water receiving groove 1131, the installed dehumidifying heat exchanger 5 is in an inclined state, which may cause a problem that it is difficult to take over the dehumidifying heat exchanger 5. Therefore, the support rib 1132 is disposed at the bottom of the water receiving tank 1131, and the dehumidification heat exchanger 5 is horizontally supported by the support rib 1132, so that the problem can be effectively avoided. Moreover, due to the supporting ribs 1132 being supported, a certain interval can be kept between the bottom surface of the dehumidifying heat exchanger 5 and the bottom wall surface of the water receiving groove 1131, and the interval is favorable for the smooth discharge of the condensed water.

In one embodiment, referring to fig. 3-5, the enclosure wall 11 includes left and right oppositely disposed wall panels 111, 112, and the heat exchanger mounting location 113 is disposed transversely between the left and right wall panels 111, 112; the dehumidifying heat exchanger 5 comprises a heat exchanger main body 51, the heat exchanger main body 51 comprises a left end plate 511 and a right end plate 512, a left clamping groove 1111 is formed in the inner side of the left wall plate 111, a right clamping groove 1121 is formed in the inner side of the right wall plate 112, and the left end plate 511 and the right end plate 512 are respectively clamped in the left clamping groove 1111 and the right clamping groove 1121.

The left and right clamping grooves 1111 and 1121 provided on the inner sides of the left and right wall plates 111 and 112 respectively limit the clamping of the left and right end plates 511 and 512 of the heat exchanger main body 51, so that the mounting stability of the dehumidifying heat exchanger 5 can be improved. By the close contact between the side walls of the left clamping groove 1111 and the right clamping groove 1121 and the left end plate 511 and the right end plate 512, the tightness of the two sides of the dehumidifying heat exchanger 5 after being installed can be improved, and the problem of air leakage caused by the passing of fresh air from the two sides of the dehumidifying heat exchanger 5 can be avoided.

In one embodiment, referring to fig. 3-4, the dehumidifying heat exchanger 5 further comprises a refrigerant inlet/outlet pipe 52 connected to the heat exchanger body 51 and located on the side of the left end plate 511; the left wall plate 111 is provided with a tube passing hole 1114 corresponding to the refrigerant inlet and outlet tube 52, and the refrigerant inlet and outlet tube 52 can extend to the outside of the heat insulation shell 1 through the tube passing hole 1114.

The dehumidifying heat exchanger 5 may be a fin heat exchanger or a surface cooler, and when the dehumidifying heat exchanger is a fin heat exchanger, the refrigerant inlet and outlet pipe 52 needs to be connected with an external refrigerant circulation loop; in the case of the surface cooler, the refrigerant inlet/outlet pipe 52 is connected to an external cold/hot water system. The left wall plate 111 is provided with the pipe passing hole 1114, and the refrigerant inlet and outlet pipe 52 of the dehumidification heat exchanger 5 extends out to be connected with an external system when the installation is convenient, so that the cooling dehumidification or heating function of fresh air is realized. The left wall plate 111 is a wall plate near one side of the left end plate 511, and the pipe passing hole 1114 is formed in the left wall plate 111, so that pipelines can be saved to the greatest extent under the condition that the connecting pipe requirement is met.

In one embodiment, the left wall plate 111 includes a left wall plate main body 1112 and a sealing insert 1113, the left wall plate main body 1112 and the bottom plate 12 are integrally formed, an embedded groove 11121 corresponding to the sealing insert 1113 is provided on the left wall plate main body 1112, the sealing insert 1113 is embedded in the embedded groove 11121 to seal the embedded groove 11121, and the pipe passing hole 1114 is formed between the left wall plate main body 1112 and the sealing insert 1113.

Specifically, referring to the angle shown in fig. 6, since the heat-insulating shell 1 of the present embodiment is an injection-molded and demolding structure, the opening of the equipment installation cavity of the heat-insulating shell 1 is upward, so that it preferably adopts an up-and-down demolding and molding mode, and the mold structure can be simplified to the greatest extent. Because the pipe hole 1114 is arranged on the left wall plate 111, the vertical demolding and forming cannot be directly performed, and only a lateral demolding structure can be added, or later punching is performed, the former mode can lead to the complicated structure of the mold, and the demolding difficulty is increased; the latter can have the problem of poor hole wall surface precision after the later hole opening, and has certain material waste. Therefore, in the left wall plate 111, the upper and lower structures of the pipe passing hole 1114 are divided into two parts, the sealing insert 1113 which is inlaid and combined in the later stage is arranged, the left wall plate main body 1112 and the sealing insert 1113 are respectively and independently molded, and the upper and lower demolding molding of the heat preservation shell 1 can be realized, so that the problems of complicated structure of the mold, difficult demolding, poor precision of the surface of the hole wall, material waste and the like are avoided.

In one embodiment, a water pump mounting position 114 for mounting the drain pump 6 is provided in the device mounting cavity at a side near the left wall plate 111, and the water collecting tank 1141 is located at the bottom of the water pump mounting position 114.

The water collecting tank 1141 is formed at the bottom of the water pump mounting position 114, and the water discharge pump 6 can be directly mounted above the water collecting tank 1141 when in use, thereby realizing the function of directly discharging water in the water collecting tank 1141, and omitting or shortening the setting of an intermediate water pipe.

In one embodiment, the sealing insert 1113 is provided with a drain hole 1115, and the drain pipe 61 of the drain pump 6 may extend out of the thermal insulation shell 1 through the drain hole 1115.

The seal insert 1113 is an independent molded structure, and the drain pipe hole 1115 is arranged outside the seal insert 1113, so that one-way demolding can be realized, and molding of the drain pipe hole 1115 can be facilitated.

In one implementation, a water pump access hole 1116 corresponding to the water pump mounting location 114 is formed between the seal insert 1113 and the left wall plate body 1112.

Specifically, the water pump access hole 1116 is formed between the seal insert 1113 and the left wall plate main body 1112, which facilitates the maintenance work of the drain pump 6, and does not interfere with the up-and-down demolding during the production of the heat insulating case 1.

With reference to fig. 1, when in use, a detachable water pump maintenance plate 4 is arranged on the sheet metal shell 2 at a position corresponding to the water pump maintenance hole 1116, and the water pump 6 can be maintained by directly opening the water pump maintenance plate when in maintenance.

In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are merely for convenience of description and to simplify the operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.

In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.

Claims (10)

1. The novel fan shell is characterized by comprising a heat preservation shell (1), wherein the heat preservation shell (1) comprises a bottom plate (12) and a surrounding wall (11) which is arranged on the periphery of the bottom plate (12) in a surrounding mode, and therefore an equipment installation cavity is formed in the heat preservation shell (1); the device is characterized in that a heat exchanger installation position (113) for installing the dehumidifying heat exchanger (5) is arranged in the device installation cavity, a water receiving groove (1131) is formed in the position, corresponding to the heat exchanger installation position (113), of the bottom plate (12), and condensed water dropping on the dehumidifying heat exchanger (5) can be collected through the water receiving groove (1131).

2. The fresh air fan housing according to claim 1, wherein a water collecting tank (1141) which is communicated with the water receiving tank (1131) is arranged on the bottom plate (12), and water in the water receiving tank (1131) can be collected and discharged through the water collecting tank (1141).

3. The fresh air fan housing according to claim 2, wherein a bottom wall surface of the water receiving groove (1131) is inclined, and the water collecting groove (1141) is connected to a lowest point of the bottom wall surface of the water receiving groove (1131).

4. A fresh air ventilator housing according to claim 3, wherein a support rib (1132) is provided on the bottom plate (12) corresponding to the water receiving groove (1131), the top surface of the support rib (1132) is horizontally arranged, and the dehumidifying heat exchanger (5) can be horizontally supported by the support rib (1132).

5. A fresh air machine housing according to claim 2, wherein the enclosure wall (11) comprises left and right oppositely-disposed wall panels (111, 112), the heat exchanger mounting location (113) being transversely disposed between the left and right wall panels (111, 112); the dehumidifying heat exchanger (5) comprises a heat exchanger main body (51), the heat exchanger main body (51) comprises a left end plate (511) and a right end plate (512), a left clamping groove (1111) is formed in the inner side of the left wall plate (111), a right clamping groove (1121) is formed in the inner side of the right wall plate (112), and the left end plate (511) and the right end plate (512) are respectively clamped in the left clamping groove (1111) and the right clamping groove (1121).

6. The fresh air fan housing according to claim 5, wherein the dehumidifying heat exchanger (5) further comprises a refrigerant inlet/outlet pipe (52) connected to the heat exchanger main body (51) on the side of the left end plate (511); the left wall plate (111) is provided with a pipe passing hole (1114) corresponding to the refrigerant inlet and outlet pipe (52), and the refrigerant inlet and outlet pipe (52) can extend out of the heat insulation shell (1) through the pipe passing hole (1114).

7. The fresh air machine housing according to claim 6, wherein the left wall plate (111) comprises a left wall plate main body (1112) and a sealing insert (1113), the left wall plate main body (1112) and the bottom plate (12) are integrally formed, an embedded groove (11121) corresponding to the sealing insert (1113) is formed in the left wall plate main body (1112), the sealing insert (1113) is embedded in the embedded groove (11121) to seal the embedded groove (11121), and the pipe passing hole (1114) is formed between the left wall plate main body (1112) and the sealing insert (1113).

8. The fresh air machine housing according to claim 7, wherein a water pump mounting location (114) for mounting a drain pump (6) is provided in the equipment mounting chamber on a side close to the left wall plate (111), and the water collecting tank (1141) is located at a bottom of the water pump mounting location (114).

9. The fresh air machine housing according to claim 8, wherein the sealing insert (1113) is provided with a drain pipe hole (1115), and a drain pipe (61) of the drain pump (6) can extend out of the heat-insulating shell (1) through the drain pipe hole (1115).

10. The fresh air machine housing according to claim 8, wherein a water pump access opening (1116) corresponding to the water pump mounting location (114) is formed between the seal insert (1113) and the left wall plate main body (1112).