CN219735527U

CN219735527U - New fan

Info

Publication number: CN219735527U
Application number: CN202223482604.3U
Authority: CN
Inventors: 邵勇
Original assignee: Prix Wuxi Intelligent Technology Co ltd
Current assignee: Prix Wuxi Intelligent Technology Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-09-22
Anticipated expiration: 2032-12-26

Abstract

The utility model provides a new fan. This new fan includes: the air conditioner comprises a shell, wherein a fresh air inlet and a return air outlet are arranged at one side end of the shell, a fresh air outlet and a return air inlet are arranged at one side end of the shell, which is opposite to the fresh air inlet, a fresh air fan and a return air fan are arranged in the shell, the fresh air fan and the return air fan are arranged on the same side along the axis direction of the shell, a heat exchanger is arranged between the fresh air fan and the return air fan, and the heat exchanger is arranged in the shell in a pluggable manner. Through the layout optimization to the part in the new fan, reduce the volume of new fan and reduce the running noise simultaneously.

Description

New fan

Technical Field

The utility model relates to the technical field of fresh air, in particular to a fresh air machine.

Background

With the improvement of the air quality requirement of people on living environment, the fresh air fan is applied to improve the air quality in a closed space, the current adjustment of the air in the living environment is mainly realized through the fresh air fan, a fresh air flow path and a return air flow path for leading out the air in the closed space are arranged in the fresh air fan, fans are respectively arranged on the fresh air flow path and the return air flow path, the fans on the market at present are all designed by adopting integrated modules, the under-module design can be realized, the verification time is shortened, but the fans of the type are all provided with shells/spiral cases, the designed fresh air machine is larger, and the designed fresh air machine is used for occupying larger space in villas or high-rise houses, so that the layout of other furniture is influenced, and sometimes even the sense of depression is realized.

For this purpose, it is necessary to improve the existing fresh air fan.

Disclosure of Invention

The utility model provides a fresh air fan which is small in structure and low in running noise in order to solve the technical problems.

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

a new fan, comprising:

a shell, one side of which is provided with a fresh air inlet and a return air outlet,

a fresh air outlet and a return air inlet are arranged on one side of the shell opposite to the fresh air inlet,

a heat exchanger, a fresh air fan close to the fresh air outlet side and a return air fan close to the return air outlet side are arranged in the shell, the fresh air fan and the return air fan are arranged on the same side,

the air guide ring of the fresh air fan at least partially faces the fresh air outlet, and the air guide ring of the return air fan at least partially faces the return air outlet

The heat exchanger is arranged between the fresh air fan and the return air fan and is installed in the shell in a pluggable manner. Through the optimized layout of the fresh air fan and the return air fan, the thickness and the overall size of the fresh air fan are reduced.

Preferably, this new trend fan includes: the base is provided with a driving part, the driving part is connected with a cylindrical air guide ring, and the air guide ring comprises a plurality of fan blades.

Preferably, the air guiding ring is communicated with the fresh air inlet cavity, and at least part of the air guiding ring is opposite to the fresh air outlet, and fresh air is led to the fresh air outlet through the air guiding ring. Through the design, the fresh air inlet cavity is also used as the volute of the fresh air fan, so that the internal structure of the fresh air fan can be optimized, and the thickness (the volume) can be reduced.

Preferably, the base is fixed to the inside of the housing. The base is fixed on the inner wall of the shell through a connecting piece. The connection may be a bolt.

Preferably, a sinking groove is arranged on the side of the shell, which faces the wind guide ring of the fresh air fan, and the ratio of the height of the sinking groove to the thickness h of the shell is between 0.05 and 0.1. By the design, the running noise is reduced, and the efficiency is also considered.

Preferably, the ratio of the axial length h1 of the return air motor to the height h2 of the return air cavity is 1.1-1.3.

Preferably, a filter module located at the upstream side of the heat exchanger is configured in the shell, and the filter module comprises a first filter module for rough filtration and a second filter module for efficient filtration, and the first filter module faces the fresh air inlet.

Preferably, the fresh air fan further comprises: and the ultraviolet sterilization module is positioned at the downstream side of the second filtering module and at the upstream side of the heat exchanger.

Preferably, an electric valve is arranged in the shell, the electric valve communicates the fresh air outlet with the return air cavity,

and when the fresh air machine is in the fresh air mode, the electric valve is closed, and when the fresh air machine is in the internal circulation mode, the electric valve is opened to communicate the fresh air outlet with the return air inlet.

Preferably, a substrate is matched with the inner side of the shell, and a guide part is arranged on the substrate and used for fixing the heat exchanger in a pluggable mode. When the heat exchanger is replaced, the side plate is opened, and the heat exchanger is pulled out from the inside, so that quick replacement is realized. In other embodiments, the guide may also be used to quickly replace the filtration module.

The embodiment of the utility model provides a new fan, which comprises the following components:

a heat exchanger, a fresh air fan close to the fresh air outlet side and a return air fan close to the return air outlet side are arranged in the shell,

the heat exchanger is arranged between the fresh air fan and the return air fan,

the air return fan is arranged in a first installation part which is C-shaped or partially C-shaped, and a gap for air to flow is formed between the side wall of the first installation part and the air guide ring of the air return fan;

the fresh air fan is arranged in a second installation part which is in a C shape or a part of the second installation part is in a C shape, and a gap for air to flow is formed between the side wall of the second installation part and the wind guiding ring of the fresh air fan. Through such design, fresh air fan/return air fan adopts the decentralized design, reduces the volume when reducing the thickness of casing.

Advantageous effects

Compared with the prior art, the novel fan provided by the utility model has the advantages that through optimizing the structure of the motor, the motor and the volute of the part type motor are in a scattered design, the occupied volume of the motor is reduced, the wind guide ring and the wind-cooling cavity are optimized, the volute is integrally designed in the body of the novel fan, the thickness and the volume of the body are reduced, and the running noise (wind noise) of the novel fan is reduced.

Drawings

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

FIG. 2 is a schematic perspective view of the other view of FIG. 1;

fig. 3 and fig. 4 are schematic internal structures of a fresh air machine according to an embodiment of the present utility model;

FIG. 5 is a schematic view of the internal structure of the fresh air fan of the heat exchanger of FIG. 4;

fig. 6 is a schematic structural diagram of a motor according to an embodiment of the present utility model;

fig. 7 is a schematic front view of a fresh air machine according to an embodiment of the present utility model;

FIG. 8 is a schematic cross-sectional view taken at A-A of FIG. 7;

fig. 9 is a schematic view of an internal structure of a fresh air machine according to an embodiment of the present utility model at another view angle;

FIG. 10 is a schematic view of the internal structure of the stealth heat exchanger of FIG. 9;

FIG. 11 is a schematic diagram of a sink tank of a fresh air machine according to an embodiment of the present utility model;

fig. 12 is a schematic side view of fig. 11.

Detailed Description

The above-described aspects are further described below in conjunction with specific embodiments. It should be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. The implementation conditions employed in the examples may be further adjusted as in the case of the specific manufacturer, and the implementation conditions not specified are typically those in routine experiments.

The utility model provides a new fan. This new fan includes: a shell, the end of which is provided with a fresh air inlet and a return air outlet, the other end of which is opposite to the fresh air inlet is provided with a fresh air outlet and a return air inlet, a fresh air flow path is arranged in the shell, fresh air flows into the shell from the fresh air outlet, is filtered by a filter module, flows into a fresh air inlet cavity after passing through a heat exchanger, flows into a closed space (indoor) from the fresh air outlet,

the shell is internally provided with a return air flow path, air in the closed space flows into the shell from a return air inlet, is filtered by a filter module and flows out of an external environment (outdoor) from a return air outlet after being heat-exchanged,

a fresh air fan is arranged on the fresh air flow path, a return air fan is arranged on the return flow path, and the fresh air fan and the return air fan are arranged on the same side along the axis direction of the shell. The fresh air fan and the return air fan adopt split design, so that the design of the volute is simplified, the thickness of the fresh air fan is reduced, and the running noise is reduced while the volume of the fresh air fan is reduced.

Next, please refer to fig. 1 to 12 for a detailed description of the fresh air machine according to the embodiment of the present utility model.

Fig. 1 and fig. 2 are schematic perspective views of a fresh air machine according to an embodiment of the utility model.

The fresh air fan 100 includes a housing 110, the housing 110 being tetragonal,

the end of one end is provided with a fresh air inlet 112 and a return air outlet 111, one side of the shell 110 opposite to the fresh air inlet 111 is provided with a fresh air outlet 114 and a return air inlet 113, one side of the shell 110 is provided with a sink 120, and the sink 120 also serves as a breathing hole of a suction fan. The ratio of the height h3 of the sink 120 to the thickness h of the housing 110 is 0.05-0.1. In this embodiment, when the fresh air blower operates, outdoor fresh air flows from the fresh air inlet 112, filtered and then flows from the fresh air outlet 114 to the target room, and indoor air flows from the return air inlet 113, through the fresh air blower, and through the heat exchange and then the brother return air outlet 111. In this implementation, be provided with the new trend motor in the new trend wind channel, be provided with the return air fan in the return air wind channel, and this new trend motor and the configuration of return air fan homonymy, rethread casing/this internal structural optimization has reduced the volume of new trend fan to reduce its running noise.

Next, the internal structure of the fresh air machine will be described in detail with reference to fig. 1 and 2 in conjunction with fig. 3 to 11.

The fresh air fan 100 includes a housing 110, one side of the housing 110 having an opening 110a, a side plate 110b covering the opening 110a,

the shell is internally provided with a substrate 140, and the substrate 140 can be integrally formed (such as by foaming) or spliced by a plurality of pieces. The substrate 140 includes a bottom plate 140a disposed on an inner wall of the housing, a first partition 147 and a second partition 148, wherein the first partition 147 and the second partition 148 are perpendicular or substantially perpendicular to the bottom plate 140a to divide the housing into 2 layers of cavities, and the first partition 147 and the second partition 148 are hollow for mounting a heat exchanger.

The first partition 147 is provided with a first projection 149b extending in the thickness direction of the casing, the first projection 149b and the bottom plate 140a enclose the return air intake chamber, and the first projection 149b is provided with an electrically operated valve 180 on the side close to the fresh air fan. The second partition 148 is provided with a second protrusion 149a extending along the thickness direction of the shell, the second protrusion 149a and the bottom plate 140a enclose a fresh air inlet cavity, a filter module is arranged in the fresh air inlet cavity, and the side part of the fresh air inlet cavity is close to the side plate 110b, so that the side plate 110b can be removed to replace the filter module quickly.

The substrate 140 has a first accommodating chamber 144 in the middle, the first accommodating chamber 144 accommodates a heat exchanger 160, the heat exchanger 160 is removably mounted in the housing, and when the heat exchanger 160 is mounted/dismounted, the side plate 110b is opened, and the heat exchanger 160 is pulled out from the opening 110a side. In order to fix the heat exchanger 160 reliably, reinforcing ribs 191 (e.g., the reinforcing ribs 191 are disposed on the first partition 147 and the second partition 148, respectively) are disposed in the housing to strengthen the fixing strength. In other embodiments, the reinforcing ribs also serve as seals to prevent air from flowing through the fresh air flow path and the return air flow path. The inside of the housing is fitted with a substrate 140a on which a guide portion 143 (also referred to as a protruding portion) is provided, the guide portion 143 being for removably fixing the heat exchanger 160. In other embodiments, such as the guide may also be used to quickly replace the filter module.

The heat exchanger 160 side in the housing is provided with a filtration module such as: the first filter module 171, the second filter module 172, the antibacterial and antivirus module 173 and the third filter module 174, wherein the first filter module 171 is a rough-calibration filter module, the second filter module 172 is a high-efficiency filter module (PM 10/2.5), the antibacterial and antivirus module 173 is a UV module, and the third filter module 174 is an active carbon filter membrane. In other embodiments, the present utility model is not limited thereto.

A first mounting portion 141 is disposed side by side on one side of the first accommodating chamber 144 or the heat exchanger, the first mounting portion 141 is internally provided with the return air fan 130, the first mounting portion 141 is C-shaped or partially C-shaped, and a gap is provided between a side wall 141a and a wind guiding ring of the return air fan 130. In this embodiment, the first mounting portion 141 also serves as a volute of the return air fan. Such a design reduces the size of the blower. A filter module is installed in the second installation part 143, and the filter module comprises a rough-calibration filter module which faces the fresh air inlet;

the second mounting portion 142 is disposed on the other side of the first accommodating cavity 144 or the heat exchanger, the fresh air fan 150 is mounted on the second mounting portion 142, a gap is formed between the side wall of the second mounting portion 142 and the wind guiding ring of the fresh air fan, and the second mounting portion 142 also serves as a volute of the fresh air fan.

The second mounting portion 142 is provided with a return air chamber 145, the return air chamber 145 is provided with a third filtering module 174, the third filtering module 174 is close to the heat exchanger 160 to filter the gas flowing into the heat exchanger 160, the third mounting seat 142 is provided with an electric valve 180, and the electric valve 180 can communicate the fresh air outlet with the return air chamber. The electric valve 180 is closed when the fresh air fan is in the fresh air mode, and the electric valve 180 opens the fresh air outlet and the return air inlet to be communicated in the internal circulation mode. The motor-operated valve 180 includes a hollow housing 181, a driving portion 182 disposed in the housing, the driving portion 182 being connected to a vane (not shown) in the housing 181, the vane being selected to turn on or off the hollow housing 181 based on the driving portion 182, the housing 181 being fixed to the notch 146.

In this embodiment, the fresh air motor 150 and the return air motor 130 have the same structure, and are all of a split type design, and the structure of the fresh air motor 150 is described below as an example.

The fresh air motor 150 comprises a base 152, the base 152 is fixed on a housing through a fixing member 1521, a driving part 153 is arranged on the base 152, an air guide ring 151 is sleeved outside the driving part 153, the air guide ring 151 comprises a plurality of fan blades 1511, the base 152 is fixed on a third mounting seat 142 during mounting, the air guide ring 151 faces a fresh air inlet cavity a, the fresh air inlet cavity a is surrounded by a substrate 140, and compared with the existing integrated fresh air fan, a volute (as disclosed in Chinese patent CN 107449097A) is omitted, the size (the size in the axial direction and the radial direction) of the housing of the fresh air fan can be further reduced, the size of the housing is reduced, and meanwhile, the thickness of the housing can be thinned. In this embodiment, the axial length h1 of the return air motor 130, the height of the return air cavity is h2, and the ratio of h1 to h2 is 1.1-1.3. Along the axis (in the x direction) of the shell of the fresh air fan, the fresh air fan and the return air fan are matched on the same side. Preferably, both the fresh air fan and the return air fan adopt a scattered design (also called a split design).

The above embodiments are provided to illustrate the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and implement the same according to the present utility model, not to limit the scope of the present utility model. All equivalent changes or modifications made by the spirit of the utility model are intended to be covered by the scope of the utility model.

Claims

1. A fresh air fan, comprising:

The heat exchanger is arranged between the fresh air fan and the return air fan, is installed in the shell in a pluggable manner, is internally provided with an electric valve, the electric valve communicates the fresh air outlet with the return air cavity,

2. The fresh air machine of claim 1,

the fresh air fan comprises: the base is provided with a driving part, the driving part is connected with a cylindrical air guide ring, and the air guide ring comprises a plurality of fan blades.

3. The fresh air machine of claim 2,

the air guide ring is communicated with the fresh air inlet cavity, and at least part of the air guide ring is opposite to the fresh air outlet, and fresh air is led to the fresh air outlet through the air guide ring.

4. The fresh air machine of claim 2,

the base is fixed on the inner side of the shell.

5. The fresh air machine of claim 1,

the side of the shell, which faces the wind guide ring of the fresh air fan, is provided with a sinking groove, and the ratio of the height of the sinking groove to the thickness h of the shell is 0.05-0.1.

6. The fresh air machine of claim 1,

the ratio of the axial length h1 of the return air fan to the height h2 of the return air cavity is 1.1-1.3.

7. The fresh air machine of claim 1,

the shell is internally provided with a filter module positioned at the upstream side of the heat exchanger, the filter module comprises a first filter module for rough-correction filtration and a second filter module for high-efficiency filtration, and the first filter module faces the fresh air inlet.

8. The fresh air machine of claim 7, further comprising: and the ultraviolet sterilization module is positioned at the downstream side of the second filtering module and at the upstream side of the heat exchanger.

9. A fresh air fan, comprising:

the fresh air fan is arranged in a second installation part which is in a C shape or a part of the second installation part is in a C shape, and a gap for air to flow is formed between the side wall of the second installation part and the wind guiding ring of the fresh air fan.