CN217057811U - Outdoor fresh air unit - Google Patents

Abstract

An outdoor new trend unit, when the operation, helps restraining the rainwater and is sent to indoor side by new trend fan unit, and helps restraining new trend fan unit and produce the trouble because of the rainwater. The utility model discloses an outdoor new trend unit is including the casing that has the bottom plate one side on the bottom plate and the upper and lower direction vertically first direction is provided with the new trend district be provided with new trend fan unit in the new trend district, wherein the bottom plate opposite side on the first direction is through following the bottom plate divides out the catchment district towards the first manger plate portion of top salient, the casing is in catchment district department has first wind gap the new trend district with between the catchment district, be formed with the messenger the new trend district with the district that runs through of catchment district intercommunication, outdoor new trend unit still has the apron, the apron covers from the top the catchment district with run through the district first manger plate portion with between the apron, be formed with the messenger the catchment district with the ventilation gap of running through the district intercommunication.

Description

Outdoor fresh air unit

Technical Field

The utility model relates to an outdoor new trend unit.

Background

Conventionally, there is a ventilator that includes a casing and a fan provided in the casing and is capable of performing an intake operation and an exhaust operation. During the intake operation, the ventilator sucks outdoor air into the fan inlet from a 2 nd intake/exhaust port formed in the casing, blows the air out of the fan exhaust port, and conveys the air to the indoor unit through the ventilation duct (see patent document 1).

Patent document 1: chinese publication No. CN2715027Y

However, the ventilation device is usually installed outdoors together with an outdoor unit of an air conditioner, and in rainy weather, rainwater may enter the casing of the ventilation device from the 2 nd intake/exhaust port together with outdoor air and be further transported to the indoor unit side via the ventilation pipe, which may affect the indoor environment and the like, and rainwater may also affect the operation of a fan and the like in the casing, which may cause an operational failure of the fan and the like.

SUMMERY OF THE UTILITY MODEL

The utility model discloses just accomplish in view of above-mentioned problem, aim at provides an outdoor new trend unit, when the operation, helps restraining the rainwater and is sent to indoor side by new trend fan unit, and helps restraining new trend fan unit and produce the trouble because of the rainwater.

In order to achieve the above purpose, the utility model provides an outdoor fresh air unit, which comprises a shell with a bottom plate, a fresh air area is arranged on one side of the bottom plate in a first direction vertical to the vertical direction, a fresh air fan component is arranged in the fresh air area, wherein a water collecting area is divided by a first water blocking part protruding upward from the bottom plate at the other side of the bottom plate in the first direction, the housing has a first tuyere at the water collecting area, a through area which enables the fresh air area to be communicated with the water collecting area is formed between the fresh air area and the water collecting area, the outdoor fresh air unit is also provided with a cover plate, the cover plate covers the water collecting area and the through area from the upper part, and a ventilation gap for communicating the water collecting area with the through area is formed between the first water retaining part and the cover plate.

According to the utility model discloses an outdoor new trend unit, at the bottom plate with the opposite side on the upper and lower direction vertically first direction, through marking off the water catch area from the bottom plate towards the first manger plate portion that the top is outstanding, the casing has first wind gap in water catch area department, between new trend district and water catch area, be formed with the district that link up that makes new trend district and water catch area intercommunication, the casing still has the apron, the apron covers the water catch area and link up the district from the top, between first manger plate portion and apron, be formed with the ventilation clearance that makes the water catch area and link up the district intercommunication. Therefore, when the fresh air fan assembly operates, the outside air sucked into the shell from the first air opening firstly enters the water collecting area, then enters the through area through the ventilation gap between the first water retaining part and the cover plate which are erected, then is sucked into the fresh air fan assembly through the fresh air opening, and then is sent into a room through the air pipe. That is, a water collection area is provided at a position where external air enters, the water collection area is partitioned by a first water blocking portion protruding upward from the bottom plate and is far away from a fresh air area where the fresh air fan assembly is provided, so that, when the fresh air fan assembly is operated, even if rainwater enters the housing through the first air opening together with the external air, the rainwater is gathered in the water collection area due to the fact that the weight of the rainwater is larger than that of the air and cannot be brought into other areas, thereby being beneficial to inhibiting the rainwater from being sent to the indoor side by the fresh air fan assembly to cause adverse effects and being beneficial to inhibiting the fresh air fan assembly from generating faults due to rainwater.

Furthermore, be in the utility model discloses an among the outdoor new trend unit, it is preferred first wind gap department is provided with the filter screen.

According to the utility model discloses an outdoor new trend unit is provided with the filter screen in first wind gap department (for example make by the metal), consequently, can avoid dust and foreign matter to get into the casing, need wash or change when preventing to maintain.

Furthermore, the utility model discloses an among the outdoor new trend unit, preferably first manger plate portion is followed both sides on the first direction surround first wind gap.

According to the utility model discloses an outdoor new trend unit, first manger plate portion surrounds first wind gap from the both sides on the first direction, consequently, even if there is the rainwater to get into outdoor new trend unit from first wind gap, also can let the rainwater gathering at the catchment area, avoids the rainwater to get into other regions beyond the catchment area and causes the unfavorable condition that the rainwater introduced.

Furthermore, in the outdoor fresh air unit of the present invention, it is preferable that the first water retaining portion has a height of about 5 cm.

Furthermore, the utility model discloses an among the outdoor new trend unit, preferably first manger plate portion includes the dog, the dog sets up leaning on in first wind gap near the edge of new trend district one side, and will the catchment area with the district that runs through separates, the casing still have with the dog constitutes together a part curb plate of first manger plate portion.

According to the utility model discloses an outdoor new trend unit, first manger plate portion include the dog, and the dog setting is in near the edge of first wind gap by new trend district one side, and with the catchment district with link up the district and separate, the casing still has and constitutes a part curb plate of first manger plate portion together with the dog, consequently, compare in the condition that sets up first manger plate portion independently with the casing, help reducing the material cost of first manger plate portion.

Furthermore, the utility model discloses an among the outdoor new trend unit, it is preferred to be in run through district department and be provided with the follow the outstanding second manger plate portion of bottom plate top, run through the district via the fresh wind mouth with the new trend district intercommunication, the height that highly is less than of second manger plate portion the height of first manger plate portion, and with the top of fresh wind mouth flushes or is higher than slightly the top of fresh wind mouth.

Here, "the height of the second water retaining part is smaller than that of the first water retaining part" does not strictly require that the height of all parts of the second water retaining part is smaller than that of all parts of the first water retaining part, and it is sufficient that the height of most parts of the second water retaining part is smaller than that of most parts of the first water retaining part; and "the height of the second water retaining part is flush with or slightly higher than the top of the fresh air opening" does not strictly require that the height of all parts of the second water retaining part is flush with or slightly higher than the top of all parts of the fresh air opening, but only needs that most of the height of the second water retaining part is flush with or slightly higher than the top of most of the fresh air opening.

According to the outdoor fresh air unit, the second water retaining part protruding upwards from the bottom plate is arranged at the through area, and the through area is communicated with the fresh air area through the fresh air opening, so that even if more rainwater enters the shell from the first air opening, the rainwater brought in from the water collecting area is easily inhibited from directly entering the fresh air area to cause adverse effect indoors, and the adverse effect on the operation of the fresh air fan assembly due to the backflow of the rainwater can be ensured; and, the height that the second manger plate portion is less than the height of first manger plate portion, and flush with the top of fresh air inlet or be higher than the top of fresh air inlet, consequently, guarantee easily that the outside air that gets into the casing from first wind inlet smoothly gets into the fresh air inlet to guarantee the amount of wind of indoor transport.

Furthermore, the utility model discloses an among the outdoor new trend unit, the height of preferred second retaining part is 2.5 cm.

Furthermore, the utility model discloses an among the outdoor new trend unit, it is preferred outdoor new trend unit's lower part has the heat transfer unit, the apron is that to cover wholly the roof of casing, the ventilation clearance by the roof with the ascending space in upper and lower side between the first water retaining part forms.

According to the utility model discloses an outdoor new trend unit, the lower part of outdoor new trend unit has the heat transfer unit, and the apron is the roof that covers whole casing, and the ventilation clearance is formed by the upper and lower ascending space of side between roof and the first manger plate portion, consequently, compares with the condition that the casing has solitary apron, helps simplifying holistic structure.

Furthermore, the utility model discloses an in outdoor new trend unit, preferably the apron only covers the catchment area with the district that runs through, and with the other parts of casing are independent, the ventilation gap by the apron with the space in the upper and lower direction between the first manger plate portion forms.

According to the utility model discloses an outdoor new trend unit, apron only cover the water catch bowl and link up the district, and independent with the other parts of casing, the ventilation clearance is formed by the upper and lower ascending space of side between apron and the first manger plate portion, consequently, covers the water catch bowl simultaneously with the apron, link up the condition of district and new trend district and compare, damage the new trend fan unit etc. in new trend district when helping avoiding installing and removing the apron.

Furthermore, the utility model discloses an among the outdoor new trend unit, preferably if establish the top of first manger plate portion with distance between the top of apron is H1, establishes the height of first manger plate portion is H2, establishes the upper surface of bottom plate with distance between the bottom of apron is H3, establishes the height of second manger plate portion is H4, establishes first manger plate portion with distance between the second manger plate portion is H5, establishes the top of second manger plate portion with distance between the bottom of apron is H6, then satisfies following relation: h1 ═ H2/2, H3 ═ H4+ H6, H5 ═ (4/3) × (H2+ H4), and H4 is 1/2 × H2.

According to the utility model discloses an outdoor new trend unit, if the distance between the top of establishing first manger plate portion and the top of apron is H1, the height of establishing first manger plate portion is H2, the distance of establishing between the upper surface of bottom plate and the bottom of apron is H3, the height of establishing second manger plate portion is H4, the distance of establishing between first manger plate portion and the second manger plate portion is H5, the distance of establishing between the top of second manger plate portion and the bottom of apron is H6, then satisfy following relation: h1 ═ H2/2, H3 ═ H4+ H6, H5 ═ (4/3) × (H2+ H4), and H4 ═ 1/2 × H2, so that the fresh air intake amount can be ensured, and the water retaining effect can be improved.

Furthermore, in the outdoor fresh air unit of the present invention, it is preferable that the height of the ventilation gap is 3cm or more.

Furthermore, the utility model discloses an among the outdoor new trend unit, preferably be in being close to of water-collecting zone the position in first wind gap is provided with the court the slope of first wind gap downward sloping.

According to the utility model discloses an outdoor new trend unit is provided with the slope towards first wind gap downward sloping at the position that is close to first wind gap of water-collecting area, consequently, the slope can increase the degree of difficulty that the rainwater got into the water-collecting area, and can discharge the ponding of water-collecting area effectively.

Furthermore, the utility model discloses an among the outdoor new trend unit, it is preferred the lower surface of apron is provided with the manger plate muscle, the manger plate muscle is followed and is reached with upper and lower direction the criss-cross second direction of first direction extends, and is located first manger plate portion with between the second manger plate portion the lower extreme of manger plate muscle with be formed with the clearance between the upper surface of bottom plate.

According to the utility model discloses an outdoor new trend unit, lower surface at the apron is provided with the manger plate muscle, the manger plate muscle is along extending with upper and lower direction and the criss-cross second direction of first direction, and be located between first manger plate portion and the second manger plate portion, be formed with the clearance between the lower extreme of manger plate muscle and the upper surface of bottom plate, therefore, when rainwater and outside air get into the casing via first wind gap together, can restrain the rainwater better and be sent to indoor side by new trend fan assembly and cause harmful effects, can restrain new trend fan assembly better and produce the trouble because of the rainwater.

Furthermore, the utility model discloses an among the outdoor new trend unit, it is preferred the lower extreme of manger plate muscle with the size in clearance that forms between the upper surface of bottom plate does the bottom of apron with more than the size in clearance between the top of first manger plate portion, the lower extreme of manger plate muscle is compared the top of second manger plate portion is low, or with the top of second manger plate portion flushes.

According to the utility model discloses an outdoor new trend unit, the size in the clearance that forms between the upper surface of the lower extreme of manger plate muscle and bottom plate is more than the size in the clearance between the bottom of apron and the top of first manger plate portion, the lower extreme of manger plate muscle is lower than the top of second manger plate portion, or flushes with the top of second manger plate portion, consequently, when restraining the rainwater and being sent to indoor side by new trend fan assembly and cause harmful effects, help avoiding from the circulation resistance of the air that first wind gap inhales the casing too big.

(Utility model effect)

According to the utility model discloses, at the bottom plate with the opposite side on the up-and-down direction vertically first direction, through marking off the water catch zone from bottom plate towards the outstanding first manger plate portion in top, the casing has first wind gap in water catch zone department, between new trend district and water catch zone, be formed with the district that link up that makes new trend district and water catch zone intercommunication, the casing still has the apron, the apron covers the water catch zone from the top and link up the district, between first manger plate portion and apron, be formed with the ventilation clearance that makes the water catch zone and link up the district intercommunication. Therefore, when the fresh air fan assembly runs, the outside air sucked into the shell from the first air opening firstly enters the water collecting area, then enters the through area through the ventilation gap between the first water retaining part and the cover plate, then is sucked into the fresh air fan assembly through the fresh air opening, and then is sent into a room through an air pipe. That is, a water collection area is provided at a position where external air enters, the water collection area is partitioned by a first water blocking portion protruding upward from the bottom plate and is distant from a fresh air area where the fresh air fan assembly is provided, so that, when the fresh air fan assembly is operated, even if rainwater enters the housing through the first air opening together with the external air, the rainwater is gathered in the water collection area due to its weight being larger than that of the air and is not brought into other areas, thereby contributing to suppressing adverse effects caused by the rainwater being sent to the indoor side by the fresh air fan assembly and contributing to suppressing a failure of the fresh air fan assembly due to rainwater.

Drawings

Fig. 1 is an exploded perspective view schematically showing an outdoor fresh air unit according to an embodiment of the present invention.

Fig. 2 is a partial perspective view schematically showing an outdoor fresh air unit according to an embodiment of the present invention.

Fig. 3 is a side sectional view schematically showing an outdoor fresh air unit according to an embodiment of the present invention.

Fig. 4 is a plan view schematically showing a part of a casing of the outdoor fresh air unit according to the embodiment of the present invention, and the position of the fresh air opening is shown by a dotted line.

Fig. 5 is a side sectional view schematically showing an outdoor fresh air unit according to an embodiment of the present invention.

Fig. 6 is another side sectional view schematically showing the outdoor fresh air unit according to the embodiment of the present invention.

Fig. 7 is a side sectional view schematically showing the outdoor fresh air unit according to the embodiment of the present invention.

Fig. 8 is a partial front sectional view schematically showing an outdoor fresh air unit according to an embodiment of the present invention.

Fig. 9 is a plan view schematically showing the layout of the outdoor fresh air unit according to a modification of the present invention.

(description of symbols)

1 outdoor fresh air unit

10 casing

11 bottom plate

12 side plate

121 first side plate

122 second side plate

123 third side plate

124 fourth side panel

13 cover plate

17 air-out accessory

18 first water-retaining part

181 first wall part

182 second wall portion

183 intermediate wall part

19 second water retaining part

20 fresh air fan assembly

21 first shell

22 second shell

30 filter screen

DK dog

XF new trend district

JS catchment area

GT penetration zone

First tuyere of FK1

XFK fresh air port

Detailed Description

Next, an outdoor fresh air unit according to an embodiment of the present invention will be described with reference to fig. 1 to 8, in which fig. 1 is an exploded perspective view schematically showing the outdoor fresh air unit according to an embodiment of the present invention, fig. 2 is a partial perspective view schematically showing the outdoor fresh air unit according to an embodiment of the present invention, fig. 3 is a side sectional view schematically showing the outdoor fresh air unit according to an embodiment of the present invention, fig. 4 is a plan view schematically showing a part of a casing of the outdoor fresh air unit according to an embodiment of the present invention, and showing the position of a fresh air port by a dotted line, fig. 5 is a side sectional view schematically showing the outdoor fresh air unit according to an embodiment of the present invention, fig. 6 is another side sectional view schematically showing the outdoor fresh air unit according to an embodiment of the present invention, fig. 7 is another side sectional view schematically showing the outdoor fresh air unit according to an embodiment of the present invention, fig. 8 is a partial front sectional view schematically showing an outdoor fresh air unit according to an embodiment of the present invention.

Here, for convenience of explanation, three directions orthogonal to each other are set as an X direction, a Y direction, and a Z direction, and one side in the X direction is set as X1, the other side in the X direction is set as X2, one side in the Y direction is set as Y1, the other side in the Y direction is set as Y2, one side in the Z direction is set as Z1, and the other side in the Z direction is set as Z2, and the Z direction coincides with the vertical direction in actual use, and the Z1 direction coincides with the upper side in actual use.

(Structure of outdoor fresh air Unit)

As shown in fig. 1 to 4, the outdoor fresh air unit 1 includes a casing 10 having a bottom plate 11, a fresh air area XF provided on one side (in the illustrated example, the X2 direction side) in the X direction of the bottom plate 11, and a fresh air fan assembly 20 provided in the fresh air area XF; further, on the other side in the X direction of the bottom plate 11 (the side in the X1 direction in the illustrated example), a water collection area JS is defined by a first water retaining portion 18 protruding upward from the bottom plate 11 toward Z1, the casing 10 has a first air vent FK1 in the water collection area JS, and a through area GT for communicating the fresh air area XF with the water collection area JS is formed between the fresh air area XF and the water collection area JS; the outdoor fresh air unit 1 further includes a cover plate 13, the cover plate 13 covers the water collection area JS and the through area GT from the Z1 direction side, and a ventilation gap for communicating the water collection area JS with the through area GT is formed between the first water retaining portion 18 and the cover plate 13.

Here, as shown in fig. 1 to 4, the entire housing 10 has a substantially rectangular parallelepiped shape. Specifically, the housing 10 includes: a base plate 11 having a thickness direction coincident with the Z direction; a side plate 12 extending from the peripheral edge of the bottom plate 11 toward the Z1 direction side; and a cover plate 13 abutting against an end of the side plate 12 in the Z1 direction from the Z1 direction. Furthermore, when viewed along the Z direction, the entire bottom plate 11 is rectangular, the dimension of the bottom plate 11 in the X direction is larger than the dimension of the bottom plate in the Y direction, and a second air port is provided at a position of the bottom plate 11 corresponding to the fresh air area XF. The side plate 12 is formed integrally with the bottom plate 11, and includes a first side plate 121, a second side plate 122, a third side plate 123, and a fourth side plate 124, the first side plate 121 and the third side plate 123 are opposed to each other at a space in the X direction, the second side plate 122 and the fourth side plate 124 are opposed to each other at a space in the Y direction, and a first vent FK1 is formed in the second side plate 122 extending from an edge of the bottom plate 11 in the Y1 direction toward the Z1 direction. Further, the entire lid plate 13 is rectangular when viewed in the Z direction, the dimension of the lid plate 13 in the X direction is larger than the dimension in the Y direction but smaller than the dimension of the base plate 11 in the X direction, and the lid plate 13 covers only a part of the base plate 11 from the end on the X1 direction side to a halfway part in the X direction when viewed in the Z direction, and the end on the X2 direction side of the base plate 11 is not covered by the lid plate 13. More specifically, the cover 13 covers only the catchment area JS and the through area GT, and independently of the other portions of the casing 10, the portion of the bottom plate 11 covered by the cover 13 as viewed in the Z direction corresponds to the catchment area JS and the through area GT, and the portion of the bottom plate 11 not covered by the cover 13 as viewed in the Z direction corresponds to the fresh air area XF. And, an air outlet fitting 17 is provided at the second tuyere.

Further, as shown in fig. 1 and 2, a screen 30 is provided at the first tuyere FK 1.

As shown in fig. 1 and 4, the first water guard portion 18 entirely encloses a substantially 9-shaped region as viewed in the Z direction. Also, the first water guard portion 18 surrounds the first tuyere FK1 from both sides in the X direction. Specifically, the first water blocking portion 18 includes a first wall portion 181, a second wall portion 182, and an intermediate wall portion 183 connecting the first wall portion 181 and the second wall portion 182. The first wall portion 181 is linear when viewed in the Z direction, extends from one end of the intermediate wall portion 183 to the second side plate 122 at a position closer to the X1 direction side than the first tuyere FK1, the second wall portion 182 is linear, extends from the other end of the intermediate wall portion 183 to the second side plate 122 at a position closer to the X2 direction side than the first tuyere FK1, and the intermediate wall portion 183 is arc-shaped.

As shown in fig. 1 to 4, a second water retaining portion 19 protruding from the bottom plate 11 in the Z1 direction is provided in the through-area GT, the through-area GT communicates with the fresh air area XF via the fresh air opening XFK, the height (i.e., the dimension in the Z direction) of the second water retaining portion 19 is smaller than the height (i.e., the dimension in the Z direction) of the first water retaining portion 18, and is flush with or slightly higher than the top of the fresh air opening XFK (i.e., the edge portion on the Z1 direction side), and the above-described ventilation gap is formed by the gap in the Z direction between the cover plate 13 and the first water retaining portion 18. Specifically, the second water stop portion 19 is formed of a wall portion that is linear when viewed in the Z direction, and the wall portion extends from the second side plate 122 to the fourth side plate 124 in the Y direction.

Further, as shown in fig. 1, the fresh air fan assembly 20 has a first casing 21 and a second casing 22 assembled in the Z direction, and an impeller is provided between the first casing 21 and the second casing 22. The first casing 21 and the second casing 22 enclose a fresh air opening XFK which is open in the X1 direction. The fresh air fan unit 20 is constituted by, for example, a centrifugal fan unit.

As shown in fig. 6 to 8, if the distance between the top (end on the Z1 direction side) of the first water stopper 18 and the top (end on the Z1 direction side) of the cover plate 13 is H1, the height (dimension in the Z direction) of the first water stopper 18 is H2, the distance between the upper surface (surface on the Z1 direction side) of the bottom plate 11 and the bottom (end on the Z2 direction side) of the cover plate 13 is H3, the height (dimension in the Z direction) of the second water stopper 19 is H4, the distance (dimension in the X direction) between the first water stopper 18 and the second water stopper 19 is H5, and the distance between the top (end on the Z1 direction side) of the second water stopper 19 and the bottom (end on the Z2 direction side) of the cover plate 13 is 6, the following relationships are satisfied: h1 ═ H2/2, H3 ═ H4+ H6, H5 ═ (4/3) (H2+ H4), and H4 is 1/2 × H2. And, preferably, H2 > 50 mm.

When the fresh air fan unit 20 is operated, outside air is sucked into the casing 10 through the first vent FK1, then sequentially passes through the water collecting region JS and the through hole GT to be sucked into the fresh air fan unit 20 in the fresh air region XF, and then passes through the second vent to be sent out from the casing 10 through the air outlet fitting 17.

(main effects of the present embodiment)

According to the outdoor fresh air unit 1 of the present embodiment, the water collection area JS is defined by the first water retaining portion 18 protruding from the bottom plate 11 in the Z1 direction side on the X1 direction side of the bottom plate 11, the casing 10 has the first air vent FK1 at the water collection area JS, the through area GT for communicating the fresh air area XF with the water collection area JS is formed between the fresh air area XF and the water collection area JS, the casing 10 further has the cover plate 13, the cover plate 13 covers the water collection area JS and the through area GT from the Z1 direction side, and the ventilation gap for communicating the water collection area JS with the through area GT is formed between the first water retaining portion 18 and the cover plate 13. Therefore, when the fresh air fan assembly 20 is operated, the outside air sucked into the casing 10 from the first vent FK1 first enters the water collecting area JS, enters the through area GT through the ventilation gap between the first water guard 18 and the cover plate 13, is sucked into the fresh air fan assembly 20 through the fresh air vent XF, and is sent into the room through, for example, an air duct. That is, since the water collection area JS is provided at the position where the outside air enters, and the water collection area JS is partitioned by the first water blocking portion 18 protruding from the bottom plate 11 in the Z1 direction side and is apart from the fresh air area XF where the fresh air fan assembly 20 is provided, when the fresh air fan assembly 20 is operated, even if rainwater enters the casing 10 through the first air vent FK1 together with the outside air, the rainwater is gathered in the water collection area JS due to its weight being larger than the air and is not taken into other areas, which contributes to suppressing the rainwater from being sent to the indoor side by the fresh air fan assembly 20 to cause adverse effects and to suppress the occurrence of failure of the fresh air fan assembly 20 due to the rainwater.

The present invention has been described above by way of example with reference to the accompanying drawings, and it is to be understood that the present invention is not limited to the specific embodiments.

For example, in the above embodiment, the configuration shown in fig. 9 may be adopted, that is, the first water blocking portion 18 includes the stopper DK which is provided near the edge of the first tuyere FK1 on the side of the fresh air area XF and which separates the water collecting area JS from the through area GT, and a part of the side plates (the first side plate 121, the second side plate 122 and the fourth side plate 124 in the illustrated example) of the casing 10 constitutes the first water blocking portion 18 together with the stopper DK. Of course, the first water guard portion 18 may also be formed in other shapes.

In the above embodiment, the second water stop 19 is formed by the wall portion having the straight line shape when viewed in the Z direction, but the shape is not limited to this, and the second water stop 19 may be formed in another shape.

In the above embodiment, the first water stopper 18 and the second water stopper 19 may be formed integrally with the base plate 11 or may be formed separately from the base plate 11.

In the above embodiment, the following configuration may be adopted: the cover plate 13 has a water blocking rib provided on a lower surface thereof, the water blocking rib extending in a second direction intersecting (for example, perpendicular to, but not limited to) the vertical direction and the first direction, and being located between the first water blocking portion 18 and the second water blocking portion 19, and a gap being formed between a lower end of the water blocking rib and an upper surface of the bottom plate 11. In this case, it is preferable that the gap formed between the lower end of the water guard rib and the upper surface of the bottom plate is equal to or larger than the gap between the bottom of the cover plate 13 and the top of the first water guard portion 18, and the lower end of the water guard rib is lower than the top of the second water guard portion 19 or flush with the top of the second water guard portion 19.

In the above embodiment, a slope inclined to the Z2 direction side (i.e., lower side) of the first tuyere FK1 may be provided at a portion of the water collecting section JS near the first tuyere FK 1.

In the above embodiment, the cover plate 13 may cover the water collection area JS, the through area GT, and the fresh air area XF at the same time, or the casing 10 may have the cover plate 13 covering only the water collection area JS and the through area GT and a second cover plate covering only the fresh air area XF at the same time.

In the above embodiment, the outdoor fresh air unit 1 may have a heat exchange unit at a lower portion thereof, a casing which houses the casing 10 and the heat exchange unit, and a top plate which covers the entire casing 10 from the Z1 direction side, and the cover plate 13 may be constituted by the top plate, and the ventilation gap may be formed by a space in the Z direction between the top plate and the first water blocking portion 18.

In the above embodiment, the side plate 12 may be formed integrally with the bottom plate 11 or may be formed separately from the bottom plate 11.

In the above embodiment, the shape of the housing 10 may be appropriately set as needed.

Furthermore, the utility model discloses an outdoor new trend unit both can the exclusive use, also can use with combination such as air conditioner, air purifier.

It should be understood that the present invention can freely combine the respective components in the embodiments or appropriately change or omit the respective components in the embodiments within the scope thereof.

Claims (10)

1. An outdoor fresh air unit comprises a shell with a bottom plate, a fresh air area is arranged on one side of the bottom plate in a first direction vertical to the vertical direction, a fresh air fan component is arranged in the fresh air area, and the outdoor fresh air unit is characterized in that,

a water collecting area is divided by a first water retaining portion protruding upward from the bottom plate at the other side of the bottom plate in the first direction,

the housing has a first tuyere at the water collection area,

a through area which enables the fresh air area to be communicated with the water collecting area is formed between the fresh air area and the water collecting area,

the outdoor fresh air unit is also provided with a cover plate,

the cover plate covers the water collecting area and the through area from the upper part,

and a ventilation gap for communicating the water collecting area with the through area is formed between the first water retaining part and the cover plate.

2. The outdoor fresh air unit as recited in claim 1,

the first water blocking part surrounds the first air opening from two sides in the first direction.

3. The outdoor fresh air unit as recited in claim 1,

the first water blocking part comprises a stop block,

the baffle block is arranged near the edge of one side of the first air port close to the fresh air area and separates the water collecting area from the through area,

the housing also has a portion of the side plate that forms the first water blocking portion together with the stopper.

4. Outdoor fresh air unit as claimed in claim 1,

a second water retaining part protruding upwards from the bottom plate is arranged at the through area,

the through area is communicated with the fresh air area through a fresh air port,

the height of the second water retaining part is smaller than that of the first water retaining part, and the second water retaining part is flush with or higher than the top of the fresh air opening.

5. The outdoor fresh air unit as recited in claim 1,

the lower part of the outdoor fresh air unit is provided with a heat exchange unit,

the cover plate is a top plate covering the entire housing,

the ventilation gap is formed by a gap in the vertical direction between the top plate and the first water blocking part.

6. The outdoor fresh air unit as recited in claim 1,

the cover plate covers only the water collection area and the through area, and is independent from other parts of the shell,

the ventilation gap is formed by a gap in the up-down direction between the cover plate and the first water blocking part.

7. The outdoor fresh air unit as recited in claim 4,

if establish the top of first water retaining portion with distance between the top of apron is H1, establishes the height of first water retaining portion is H2, establishes the upper surface of bottom plate with distance between the bottom of apron is H3, establishes the height of second water retaining portion is H4, establishes first water retaining portion with distance between the second water retaining portion is H5, establishes the top of second water retaining portion with distance between the bottom of apron is H6, then satisfies following relation:

H1＝H2/2，

H3＝H4+H6，

H5＝(4/3)*(H2+H4)，

h4 is 1/2 × H2.

8. Outdoor fresh air unit as claimed in claim 1,

and a slope inclining downwards towards the first air opening is arranged at the part, close to the first air opening, of the water collecting area.

9. Outdoor fresh air unit as claimed in claim 4,

the lower surface of the cover plate is provided with a water retaining rib,

the water retaining rib extends along a second direction intersecting with the up-down direction and the first direction and is positioned between the first water retaining part and the second water retaining part,

a gap is formed between the lower end of the water retaining rib and the upper surface of the bottom plate.

10. Outdoor fresh air unit as claimed in claim 9,

the size of the gap formed between the lower end of the water retaining rib and the upper surface of the bottom plate is more than the size of the gap between the bottom of the cover plate and the top of the first water retaining part,

the lower end of the water retaining rib is lower than the top of the second water retaining part or is flush with the top of the second water retaining part.

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