CN214536509U

CN214536509U - New fan

Info

Publication number: CN214536509U
Application number: CN202120477582.8U
Authority: CN
Inventors: 赵勋; 赵得科
Original assignee: Hisense Shandong Air Conditioning Co Ltd
Current assignee: Hisense Shandong Air Conditioning Co Ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-10-29
Anticipated expiration: 2031-03-05

Abstract

A new fan, comprising: the fan comprises a shell, a fan body and a fan cover, wherein one side of the shell is provided with a fresh air inlet and a dirty air outlet, the other side of the shell is provided with a fresh air outlet and a dirty air inlet, the fresh air inlet and the fresh air outlet form a fresh air duct, and the dirty air outlet and the dirty air inlet form a dirty air duct; the fan assembly is arranged in the fresh air duct and used for driving outdoor air to flow into the fresh air duct from the fresh air inlet and flow into the room through the fresh air outlet; the negative pressure component is arranged in the dirty air duct, is communicated with the fresh air duct and is used for introducing airflow in the fresh air duct into the dirty air duct; wherein, a part of the air current in the fresh air duct flows into the dirty air duct through the negative pressure component, drives the indoor air to flow into the dirty air duct from the dirty air inlet and flow out of the room through the dirty air outlet. The technical effects of the utility model: through set up the negative pressure part in new fan, make new fan only set up a fan subassembly alone and have two-way new trend function, reduce new fan's volume.

Description

New fan

Technical Field

The utility model belongs to the technical field of the air conditioner, especially, relate to a new fan.

Background

At present, the fresh air machine mainly has the following two forms, namely a bidirectional fresh air machine and a unidirectional fresh air machine.

Two-way new fan realizes indoor, outside air exchange through 2 fans, and outdoor new trend is introduced to a fan, and indoor foul air is discharged to a fan, has better ventilation effect. And the two fans are matched, so that the whole box body is large in size and high in energy consumption. The one-way fresh air machine introduces outdoor fresh air through only one fan. Indoor dirty wind can not be effectively eliminated, and the ventilation effect is relatively poor.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a new fan provides a set up negative pressure device in the casing during the main objective, makes new fan only set up a fan and just has two-way new trend function, reduces new fan's volume size.

The embodiment of the utility model provides an in provide a new fan, include: the fan comprises a shell, a fan body and a fan cover, wherein one side of the shell is provided with a fresh air inlet and a dirty air outlet, the other side of the shell is provided with a fresh air outlet and a dirty air inlet, the fresh air inlet and the fresh air outlet form a fresh air duct, and the dirty air outlet and the dirty air inlet form a dirty air duct; the fan assembly is arranged in the fresh air duct and used for driving outdoor air to flow into the fresh air duct from the fresh air inlet and flow into the room through the fresh air outlet; the negative pressure component is arranged in the dirty air duct, is communicated with the fresh air duct and is used for introducing airflow in the fresh air duct into the dirty air duct; wherein, a part of the air current in the fresh air duct flows into the dirty air duct through the negative pressure component, drives the indoor air to flow into the dirty air duct from the dirty air inlet, flows out of the room through the dirty air outlet, and is provided with the negative pressure device in the casing, so that the fresh air fan is provided with only one fan to have the bidirectional fresh air function, and the volume of the fresh air fan is reduced.

In an embodiment of the present invention, the negative pressure member includes: the exhaust pipe is arranged in the dirty air duct, the inner surface of the exhaust pipe is provided with an annular bulge, the annular bulge and the air suction end of the exhaust pipe form an annular air chamber, and the pipe wall of the exhaust pipe is provided with an air inlet corresponding to the annular air chamber; the diameter of the air suction pipe is smaller than that of the exhaust pipe, the air suction pipe is inserted into the exhaust pipe through the air suction end, one end of the air suction pipe is communicated with the dirty air inlet, and the other end of the air suction pipe is positioned in the center of the annular bulge; one end of the connecting pipe is communicated with the air inlet, the other end of the connecting pipe is communicated with the fresh air duct, and a radial interval is reserved between the part of the air suction pipe, which is positioned in the exhaust pipe, and the annular bulge.

In the embodiment of the present invention, one side of the annular protrusion is an inclined plane, and the other side is an arc surface.

In the embodiment of the present invention, the portion of the inner surface of the exhaust pipe corresponding to the inclined plane of the annular protrusion is a drainage segment.

The utility model discloses an in the embodiment, the casing is provided with the median septum between new trend wind channel and dirty wind channel, and the median septum separates new trend wind channel and dirty wind channel.

The utility model discloses an in the embodiment, be provided with filtering component between new trend entry and the fan subassembly.

The utility model discloses an in the embodiment, be provided with in the casing with the length direction vertically mounting panel of casing, the fan subassembly sets up on the mounting panel.

The utility model discloses an in the embodiment, be provided with the new trend connecting pipe between mounting panel and the new trend export.

The utility model discloses an in the embodiment, dirty wind connecting pipe is constituteed with the blast pipe to the breathing pipe, and dirty wind connecting pipe sets up between mounting panel and dirty wind entry, and the new trend connecting pipe passes through connecting pipe and dirty wind connecting pipe intercommunication.

In the embodiment of the utility model, the width of the part of the fresh air duct close to the fresh air inlet is smaller than that of the part of the fresh air duct close to the fresh air outlet; the width of the part of the dirty air duct close to the dirty air inlet is smaller than that of the part of the dirty air duct close to the dirty air outlet.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a new fan according to an embodiment of the present invention;

FIG. 2 is a schematic view of a dirty air connection pipe according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a dirty air connection pipe according to an embodiment of the present invention;

FIG. 4 is a schematic view of the airflow flowing in the negative pressure part according to the embodiment of the present invention;

FIG. 5 is a schematic diagram of the two-way fresh air function of the fresh air fan according to the information embodiment of the present application;

1. a housing; 101. a fresh air inlet; 102. a fresh air outlet; 103. a dirty air outlet; 104. a dirty air inlet; 2. a filter assembly; 3. a fan assembly; 4. mounting a plate; 5. a middle partition plate; 6. a negative pressure member; 60. a connecting pipe; 61. a dirty air connecting pipe; 611. an exhaust pipe; 611-1, a drainage section; 611-2, an advection section; 611-3, an air outlet end; 611-4, an arc surface; 611-5, an air inlet; 611-6, sealing cover; 612. an air intake duct; 612-1, an annular plenum; 7. fresh air connecting pipe.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Along with the improvement of the requirements of residents on living environments, a fresh air fan gradually enters the market, users install the fresh air fan at home, outdoor fresh air is filtered and introduced into a room, the content of indoor fresh air is improved, so that a healthy breathing living environment is created for the users, the fresh air fan in the market is mainly divided into a one-way fresh air fan and a two-way fresh air fan, the one-way fresh air fan is that only one fan component is arranged in the fresh air fan, only the function of introducing the outdoor fresh air into the room is achieved, and indoor dirty air cannot be discharged; two-way new fan means can introduce indoor with outdoor new trend, with indoor dirty air discharge outdoor, more effectual assurance room air's health, but two-way new fan need set up two fan subassemblies, has not only increased the energy consumption of new fan, has also increased new fan's volume, occupies user's indoor space.

In order to make new fan have when small advantage, also have the function of two-way new trend the utility model discloses an in the embodiment, provide a new fan, include: casing 1, one side of casing 1 is provided with new trend entry 101 and foul wind export 103, the opposite side of casing 1 is provided with new trend export 102 and foul wind entry 104, new trend entry 101 forms the new trend wind channel that is located casing 1 with new trend export 102 intercommunication, foul wind export 103 forms the foul wind channel that is located casing 1 with foul wind entry 104 intercommunication, when installing new trend fan, set up new trend entry 101 and foul wind export 103 of new trend fan outdoor, set up new trend export 102 and foul wind entry 104 of new trend fan indoor, communicate indoor and outdoor through new trend wind channel and foul wind channel.

In order to enable outdoor air to flow into the room through the fresh air duct, the fan assembly 3 is arranged in the fresh air duct of the casing 1, the fan assembly 3 can introduce outdoor fresh air into the fresh air duct from the fresh air inlet 101, the fresh air flows into the room from the fresh air outlet 102 through the fresh air duct, the outdoor fresh air is introduced into the room, and the oxygen content of the air in the indoor space is improved.

After indoor fresh outdoor new trend of introducing, need be with indoor dirty air discharge outdoor, otherwise, dirty indoor air is in indoorly all the time, influence user's breathing healthy, therefore in the embodiment of the utility model, be provided with negative pressure component 6 in dirty wind channel, dirty wind channel passes through negative pressure component 6 intercommunication new wind channel, negative pressure component 6 is "T" style of calligraphy pipeline structure approximately, when fan subassembly 3 drives the air current and flows in new wind channel, partial air current can be got into indoorly by new wind export 102, another partial air current can get into negative pressure component 6, and under the effect of negative pressure, can inhale dirty wind channel by dirty wind entry 104 with indoor dirty air to discharge outdoor by dirty wind export 103, keep the indoor space that the user located throughout to possess fresh air.

Further, the negative pressure component 6 includes a connecting pipe 60, an exhaust pipe 611 and an air suction pipe 612, the connecting pipe 60, the exhaust pipe 611 and the air suction pipe 612 are all hollow tubular structures, one end of the exhaust pipe 611 is an air inlet end, the other end is an air outlet end 611-3, the air suction pipe 612 is inserted into the exhaust pipe 611 through the air inlet end, the exhaust pipe 611 and the air suction pipe 612 form a dirty air connecting pipe 61, an air inlet 611-5 is disposed on an outer side wall of the exhaust pipe 611, the connecting pipe 60 is communicated with the air inlet 611-5 of the exhaust pipe 611, one end of the connecting pipe 60 is communicated with the fresh air duct, the other end is communicated with the air inlet 611-5 of the exhaust pipe 611, when the fan assembly 3 drives an air flow in the fresh air duct, a part of the air flow enters the room from the fresh air outlet 102, the other part of the air flow enters the connecting pipe 60, and a negative pressure is formed in the exhaust pipe 611, under the action of the negative pressure, dirty air in the room is sucked into the air suction pipe 612 through the dirty air inlet 104, then enters the exhaust pipe 611 through the air suction pipe 612, finally enters the dirty air duct and is exhausted to the outside through the dirty air outlet 103, and the indoor space where the user is located is always kept with fresh air.

In order to form negative pressure in the exhaust pipe 611, in the embodiment of the present invention, referring to fig. 2 to 4, an annular protrusion is disposed on an inner wall of the exhaust pipe 611, one side of the annular protrusion is an inclined surface, the other side of the annular protrusion is an arc surface 611-4, an annular air chamber 612-1 is formed between one side of the arc surface 611-4 of the annular protrusion and an air inlet end of the exhaust pipe 61, a portion of the exhaust pipe 611 corresponding to the inclined surface of the annular protrusion is a flow guiding section 611-1, the flow guiding section 611-1 has a flaring angle, a flat portion of the inner wall of the exhaust pipe 611 is a flat flow section 611-2, and the flat flow section 611-2 plays a role of stabilizing air flow.

An air inlet 611-5 of the exhaust pipe 611 is arranged on the side wall of the exhaust pipe 611 corresponding to the annular air chamber 612-1, one end of the air suction pipe 612 is inserted into the exhaust pipe 611 and is located in the middle of the annular protrusion, a radial distance is reserved between the air suction pipe 612 and the annular protrusion, when part of air flow in the fresh air duct enters the annular air chamber 612-1 of the exhaust pipe 611 through the air inlet 611-5 via the connecting pipe 60 and then uniformly flows out to the drainage section 611-1 along the periphery, due to the coanda effect (the tendency that the fluid deviates from the original flow direction and flows along with the surface of a convex object, when surface friction exists between the fluid and the surface of the object through which the fluid flows, the fluid flows along the surface of the object as long as the curvature is not large), the air is adsorbed on the inner wall surface of the exhaust pipe 611 to flow, and due to the transverse pulsation effect of turbulence, the wall-attached air flow and the static air in the central area of the drainage section 611-1 generate momentum exchange, the central air is driven to move together to form a sucking action, so that a low-pressure area is generated in the center of the drainage section 611-1, a sucking action is performed on the dirty air inlet 104, the indoor dirty air flow is sucked into the air suction pipe 612, enters the exhaust pipe 611 from the air suction pipe 612, enters the dirty air duct through the air outlet end 611-3 of the exhaust pipe 611, and finally flows out of the room from the dirty air outlet 103.

Casing 1 is provided with median septum 5 between new trend wind channel and dirty wind channel, and median septum 5 separates new trend wind channel and dirty wind channel, still is provided with mounting panel 4 in casing 1, and the length direction of median septum 5 is the same with the length direction of casing 1, and the length direction of mounting panel 4 is perpendicular with the length direction of median septum 5, and mounting panel 301 divides casing 1 into two parts about, and median septum 5 separates the left half part of casing 1 into new trend wind channel and dirty wind channel again.

Due to the arrangement of the mounting plate 4, the fresh air connecting pipe 7 is arranged between the mounting plate 4 and the fresh air outlet 102, the fresh air outlet 102 is communicated with the fresh air channel through the fresh air connecting pipe 7 by the fresh air connecting pipe 7 as the part of the fresh air channel, the dirty air connecting pipe 61 is arranged between the mounting plate 4 and the dirty air inlet 104, namely, the dirty air connecting pipe 61 consisting of the exhaust pipe 611 and the air suction pipe 612, the dirty air channel is communicated with the dirty air inlet 104 by the dirty air connecting pipe 61 as the part of the dirty air channel, and the fresh air connecting pipe 7 is communicated with the dirty air connecting pipe 61 by the connecting pipe 60.

Furthermore, in order to improve the sealing performance of the joint between the suction pipe 612 and the exhaust pipe 611, an annular sealing cover 611-6 is disposed at the joint between the suction pipe 612 and the exhaust pipe 611 to prevent air leakage at the joint between the suction pipe 612 and the exhaust pipe 611 and to reinforce the strength of the joint between the suction pipe 612 and the exhaust pipe 611.

The length of the suction pipe 612 inserted into the exhaust pipe 611 needs to be greater than the length of the annular plenum 611-5, and the end of the suction pipe 612 entering the exhaust pipe 611 is located in the middle of the flow guiding section 611-3 to prevent the air flow entering the exhaust pipe 611 from flowing back.

The part of the fresh air channel close to the fresh air inlet 101 is smaller than the part of the fresh air channel close to the fresh air outlet 102, the part of the dirty air channel close to the dirty air inlet 104 is smaller than the part of the dirty air channel close to the dirty air outlet 103, and the fresh air channel and the dirty air channel can improve the flowing speed of the air flow in the air channels through the structure that the widths are gradually increased.

The utility model discloses an in the embodiment, casing 1 is provided with filter assembly 2 between new trend entry 101 and fan subassembly 3, and filter assembly 2 can filter the outdoor new trend that gets into the new trend wind channel, prevents that debris such as dust from getting into indoorly, reduces the indoor air quality.

Referring to fig. 5, when the fan assembly 3 in the fresh air duct starts to rotate, outdoor fresh air enters the fresh air duct from the fresh air inlet 101, part of the fresh air enters the room from the fresh air outlet 102, the other part of the fresh air enters the exhaust pipe 611 through the connecting pipe 60, under the action of the annular air chamber 611-5, a negative pressure is formed in the center of the drainage section 611-3 of the exhaust pipe 611, so that indoor dirty air can be sucked into the air suction pipe 612 by the dirty air inlet 104, the dirty indoor air is mixed with the part of the fresh air entering the exhaust pipe 611, and then the air enters the dirty air duct from the air outlet 611-3 of the exhaust pipe 611 to be discharged out of the room from the dirty air outlet 103, so that the indoor dirty air is discharged while the outdoor fresh air is continuously introduced into the room, and a healthy living environment is created.

In summary, the present invention is only a specific embodiment, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A new fan, comprising:

the fan comprises a shell, a fan body and a fan cover, wherein one side of the shell is provided with a fresh air inlet and a dirty air outlet, the other side of the shell is provided with a fresh air outlet and a dirty air inlet, the fresh air inlet and the fresh air outlet form a fresh air duct, and the dirty air outlet and the dirty air inlet form a dirty air duct;

the fan assembly is arranged in the fresh air duct and used for driving outdoor air to flow into the fresh air duct from the fresh air inlet and flow into the room through the fresh air outlet;

the negative pressure component is arranged in the dirty air duct, is communicated with the fresh air duct and is used for introducing the airflow in the fresh air duct into the dirty air duct;

and a part of the air flow in the fresh air duct flows into the dirty air duct through the negative pressure component to drive indoor air to flow into the dirty air duct from the dirty air inlet and flow out of the room through the dirty air outlet.

2. The new fan in accordance with claim 1, characterized in that: the negative pressure part includes:

the exhaust pipe is arranged in the dirty air duct, an annular bulge is arranged on the inner surface of the exhaust pipe, the annular bulge and the air suction end of the exhaust pipe form an annular air chamber, and an air inlet is formed in the pipe wall of the exhaust pipe corresponding to the annular air chamber;

the diameter of the air suction pipe is smaller than that of the exhaust pipe, the air suction pipe is inserted into the exhaust pipe through the air suction end, one end of the air suction pipe is communicated with the dirty air inlet, the other end of the air suction pipe is positioned in the center of the annular bulge, and a radial interval is reserved between the part of the air suction pipe, which is positioned in the exhaust pipe, and the annular bulge;

and one end of the connecting pipe is communicated with the air inlet, and the other end of the connecting pipe is communicated with the fresh air duct.

3. The new fan of claim 2, characterized in that: one side of the annular bulge is an inclined plane, and the other side of the annular bulge is an arc surface.

4. The fresh air machine of claim 3, wherein: the part of the inner surface of the exhaust pipe, which corresponds to the inclined plane of the annular bulge, is a drainage section.

5. The new fan in accordance with claim 1, characterized in that: the casing is in be provided with the median septum between new trend wind channel with dirty wind channel, the median septum will new trend wind channel with dirty wind channel separates.

6. The new fan in accordance with claim 1, characterized in that: and a filtering component is arranged between the fresh air inlet and the fan component.

7. The new fan of claim 2, characterized in that: the fan is characterized in that a mounting plate which is perpendicular to the length direction of the casing is arranged in the casing, and the fan assembly is arranged on the mounting plate.

8. The fresh air machine of claim 7, wherein: the mounting panel with be provided with the new trend connecting pipe between the new trend export.

9. The fresh air machine of claim 8, wherein: the air suction pipe and the exhaust pipe form a dirty air connecting pipe, the dirty air connecting pipe is arranged between the mounting plate and the dirty air inlet, and the fresh air connecting pipe is communicated with the dirty air connecting pipe through the connecting pipe.

10. The new fan in accordance with claim 1, characterized in that: the width of the part of the fresh air duct close to the fresh air inlet is smaller than that of the part of the fresh air duct close to the fresh air outlet; the width of the part of the dirty air duct close to the dirty air inlet is smaller than the width of the part of the dirty air duct close to the dirty air outlet.