CN212319902U - Fresh air device, floor type air conditioner indoor unit and air conditioner - Google Patents

Fresh air device, floor type air conditioner indoor unit and air conditioner Download PDF

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Publication number
CN212319902U
CN212319902U CN202021075881.0U CN202021075881U CN212319902U CN 212319902 U CN212319902 U CN 212319902U CN 202021075881 U CN202021075881 U CN 202021075881U CN 212319902 U CN212319902 U CN 212319902U
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China
Prior art keywords
air
fresh air
air inlet
channel
fresh
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CN202021075881.0U
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Chinese (zh)
Inventor
汪先送
陈良锐
谢鹏
覃强
陈志航
张滔
蔡序杰
周何杰
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Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Priority to CN202021075881.0U priority Critical patent/CN212319902U/en
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Abstract

The utility model discloses a fresh air device, a floor type air conditioner indoor unit and an air conditioner, wherein the fresh air device comprises a fan, a volute component and a bypass switch door; the volute component is internally provided with a fresh air inlet, an air outlet, a fresh air inlet channel, a bypass air outlet channel and a fresh air cavity communicated with the air outlet, the fan is arranged in the fresh air cavity, the fresh air inlet channel and the bypass air outlet channel are mutually isolated and communicated through a gas circulation port, the fresh air inlet channel is communicated with the fresh air inlet and the air inlet end of the fresh air cavity, the bypass air outlet channel is communicated with the fresh air inlet and the air outlet end of the fresh air cavity, and the return air channel is communicated with the indoor and the air inlet end of the fresh air cavity; the bypass switch door is arranged at the gas flow opening so that one of the fresh air inlet channel and the bypass air outlet channel is communicated with the fresh air inlet. The utility model discloses new trend device simple structure, spare part are few, with low costs, small, occupation space is little.

Description

Fresh air device, floor type air conditioner indoor unit and air conditioner
Technical Field
The utility model relates to an air conditioning technology field, in particular to machine and air conditioner in new trend device, console mode air conditioner.
Background
With the gradual rise of health consciousness of consumers, the air conditioner with the fresh air function has become a development direction of high-end products at present. Most of the existing household fresh air conditioners can only introduce outdoor fresh air, and the fresh air is discharged indoors after passing through a purification filter screen and a fan; the air treatment mode of the scheme is single, fresh air can only be introduced indoors, and the requirements of users cannot be completely met.
Through add blowdown wind function in new trend device to arrange indoor foul wind to outdoor, can accelerate indoor new trend speed of changing wind, diversified air treatment mode. At present, in order to realize that the fresh air device has a sewage air discharge function and a fresh air guide function at the same time, a set of air draft fan is additionally arranged under the structure of the original fresh air device, so that the whole fresh air device is complex in structure, multiple in parts, high in cost, large in size and large in occupied space.
The above is only for the purpose of assisting understanding of the technical solution of the present invention, and does not represent an admission that the above is the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a new trend device aims at simplifying new trend device's structure.
In order to achieve the purpose, the fresh air device provided by the utility model comprises a fan, a volute component and a bypass switch door;
a fresh air inlet, an air outlet, a fresh air inlet channel, a bypass air outlet channel and a fresh air cavity communicated with the air outlet are defined in the volute component, the fan is arranged in the fresh air cavity, the fresh air inlet channel and the bypass air outlet channel are mutually isolated and are communicated through an air circulation port, the fresh air inlet channel is communicated with the fresh air inlet and the air inlet end of the fresh air cavity, the bypass air outlet channel is communicated with the fresh air inlet and the air outlet end of the fresh air cavity,
the bypass switch door is arranged at the gas circulation port, so that the fresh air inlet channel and the bypass air outlet channel are selected to be communicated with the fresh air inlet.
In one embodiment, the volute assembly includes a housing and an air inlet volute, the housing defining the fresh air chamber and the bypass air outlet channel; the shell is also provided with an air inlet communicated with the fresh air cavity; the air inlet spiral case cover is arranged at an air inlet of the shell, the fresh air inlet is formed in the air inlet spiral case, the fresh air inlet channel is limited in the air inlet spiral case, the bypass air outlet channel 124 is communicated with the fresh air inlet, and the fresh air inlet channel is communicated with the fresh air cavity.
In an embodiment, a return air channel is further defined in the shell, the return air channel is communicated with the indoor air inlet end of the fresh air cavity, the fresh air device further comprises a return air switch door, and the return air switch door is installed in the return air channel to open or close the return air channel.
In an embodiment, the air inlet volute and/or the shell defines the return air channel, and the return air channel is communicated with the fresh air inlet channel and is communicated with the fresh air cavity through the air inlet.
In an embodiment, the volute assembly further includes an air outlet volute covering the air outlet, and the air outlet volute is provided with a fresh air outlet communicated with the air outlet.
In one embodiment, the fan is a centrifugal fan, the air inlet volute is located on one axial side of the fan, and the air outlet volute is located on one radial side of the fan.
In an embodiment, the fresh air device further includes a choke assembly, the choke assembly is disposed in the air outlet volute and located between the fresh air outlet and the air outlet, so as to block an air flow from blowing out through the fresh air outlet when the bypass air outlet channel is communicated with the fresh air inlet, and to blow out a supply air flow from the fresh air outlet when the fresh air inlet channel is communicated with the fresh air inlet.
In one embodiment, the choke assembly includes a screen assembly extending in an up-down direction, or the screen assembly extends in the horizontal direction.
In an embodiment, the filter screen subassembly include filter screen support and install in filter screen support's filter screen, one side of filter screen support is equipped with the handle, the lateral wall face of air-out spiral case corresponds the handle is equipped with the operation mouth, the handle by the removal orbit that the operation mouth was taken out sets up forward.
In an embodiment, the outlet volute has a first sidewall and a second sidewall that are disposed opposite to each other, the first sidewall is located on a leeward side of the choke assembly, and in an outlet direction of the outlet volute, the first sidewall is disposed in an arc shape that is convex outward, and/or the second sidewall is disposed to be inclined toward the first sidewall.
In one embodiment, the air inlet volute and/or the housing is provided with a return air inlet communicated with a return air channel, and the return air switch door is rotatably mounted at the return air inlet to open or close the return air inlet.
In one embodiment, the bypass switch door is rotatably mounted to the volute assembly so that the fresh air inlet channel is communicated with the fresh air inlet, or the bypass air outlet channel is communicated with the fresh air inlet.
In an embodiment, the fresh air device further includes a choke assembly, the choke assembly is disposed corresponding to the air outlet to block air flow from blowing out through the air outlet when the bypass air outlet channel is communicated with the fresh air inlet, and the air supply flow is blown out through the air outlet when the fresh air inlet channel is communicated with the fresh air inlet, and the choke assembly includes a purification assembly and/or an air outlet switch door.
The utility model also provides a floor type air conditioner indoor unit which comprises a casing and a fresh air device;
an air passing port and a fresh air outlet are arranged on the shell;
the fresh air device comprises a fan, a volute component and a bypass switch door;
a fresh air inlet, an air outlet, a fresh air inlet channel, a bypass air outlet channel and a fresh air cavity communicated with the air outlet are defined in the volute component, the fan is mounted in the fresh air cavity, the fresh air inlet channel and the bypass air outlet channel are mutually isolated and communicated through an air circulation port, the fresh air inlet channel is communicated with the fresh air inlet and the air inlet end of the fresh air cavity, and the bypass air outlet channel is communicated with the fresh air inlet and the air outlet end of the fresh air cavity;
the bypass switch door is arranged at the gas circulation port, so that one of the fresh air inlet channel and the bypass air outlet channel is communicated with the fresh air inlet;
the fresh air device is arranged in the shell, a fresh air inlet of the fresh air device is communicated with the outside through the air passing opening, and an air outlet of the fresh air device is communicated with the fresh air outlet.
In one embodiment, the fresh air outlet is provided with an air diffusing module, and the air diffusing module is suitable for air flow to pass through and diffuse air flow passing through the air diffusing module.
The utility model also provides an air conditioner, which comprises an air conditioner outdoor unit and a floor type air conditioner indoor unit which are communicated through a refrigerant pipe, wherein the floor type air conditioner indoor unit comprises a casing and a fresh air device;
an air passing port, an air suction port and a fresh air outlet are formed in the shell;
the fresh air device comprises a fan, a volute component and a bypass switch door;
a fresh air inlet, an air outlet, a fresh air inlet channel, a bypass air outlet channel and a fresh air cavity communicated with the air outlet are defined in the volute component, the fan is mounted in the fresh air cavity, the fresh air inlet channel and the bypass air outlet channel are mutually isolated and communicated through an air circulation port, the fresh air inlet channel is communicated with the fresh air inlet and the air inlet end of the fresh air cavity, and the bypass air outlet channel is communicated with the fresh air inlet and the air outlet end of the fresh air cavity;
the bypass switch door is arranged at the gas circulation port, so that one of the fresh air inlet channel and the bypass air outlet channel is communicated with the fresh air inlet;
the fresh air device is arranged in the shell, a fresh air inlet of the fresh air device is communicated with the outside through the air passing opening, and an air outlet of the fresh air device is communicated with the fresh air outlet.
The utility model discloses new trend device prescribes a limit to bypass air-out passageway in spiral case subassembly for the air-out end in bypass air-out passageway intercommunication new trend import and new trend chamber, through setting up the by-pass switch door in the gas flow department of new trend inlet channel and bypass air-out passageway, so that new trend inlet channel and bypass air-out passageway alternative and new trend import intercommunication. Make new trend device have new trend mode and blowdown wind mode to can satisfy user's user demand. And only add bypass air-out passageway and bypass switch door and just can realize switching new trend mode and blowdown wind mode on present new trend device, need not to add a set of fan in addition for whole new trend device's simple structure, spare part are few, with low costs, small, occupation space is little.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of a fresh air device of the present invention;
FIG. 2 is a schematic view of the new wind device of FIG. 1 at another angle;
FIG. 3 is a schematic structural view of an embodiment of a housing of the ventilation device of FIG. 1;
FIG. 4 is a schematic structural view of another embodiment of a housing of the ventilation device of FIG. 1;
FIG. 5 is a schematic view of an embodiment of an inlet volute of the fresh air device of FIG. 1;
FIG. 6 is a schematic cross-sectional view of the inlet volute of FIG. 5;
fig. 7 is a schematic structural view of another embodiment of the fresh air device of the present invention;
FIG. 8 is a schematic view of the new wind device of FIG. 7 at another angle;
FIG. 9 is a schematic view of the new wind device of FIG. 7 at a further angle;
FIG. 10 is a front view of the fresh air device of FIG. 7;
FIG. 11 is a schematic cross-sectional view taken along A-A of FIG. 10;
FIG. 12 is a schematic cross-sectional view taken along line B-B of FIG. 10;
FIG. 13 is a schematic cross-sectional view taken along line C-C of FIG. 10;
FIG. 14 is a schematic view of a partially exploded view of the fresh air device of FIG. 8;
FIG. 15 is a schematic view of a partially exploded view of the fresh air device of FIG. 9;
fig. 16 is a schematic structural view of an embodiment of a floor type air conditioner indoor unit according to the present invention;
fig. 17 is a front view schematically illustrating the indoor unit of the floor type air conditioner of fig. 16;
FIG. 18 is a schematic cross-sectional view taken along line D-D of FIG. 17 with the return air switch door closed;
FIG. 19 is a schematic cross-sectional view taken along line D-D of FIG. 17 with the return air switch door open;
FIG. 20 is a schematic cross-sectional view taken along E-E of FIG. 17;
FIG. 21 is a schematic cross-sectional view taken along F-F of FIG. 17, wherein the fresh air device is in a fresh air mode;
FIG. 22 is a cross-sectional view taken along F-F of FIG. 17, wherein the fresh air device is in the exhaust mode.
The reference numbers illustrate:
reference numerals Name (R) Reference numerals Name (R) Reference numerals Name (R)
100 Fresh air device 127 Shell body 131 By-pass switch door
110 Fan blower 127a Air inlet 132 Return air switch door
120 Volute assembly 127b Return air inlet 140 Choke assembly
121 Fresh air inlet 128 Air inlet volute 141 Filter screen assembly
122 Air outlet 129 Air outlet volute 142 Air-out switch door
123 Fresh air inlet channel 129a Fresh air outlet 200 Casing (CN)
124 Bypass air outlet channel 129b First side wall 210 Fresh air outlet
125 Return air channel 129c Second side wall 300 Air-dispersing module
126 Fresh air cavity 129d Operation port
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be noted that if the embodiments of the present invention are described with reference to "first", "second", etc., the description of "first", "second", etc. is only for descriptive purposes and is 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 at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B" including either scheme A, or scheme B, or a scheme in which both A and B are satisfied.
The utility model provides a new trend device, but the exclusive use, or be arranged in equipment such as machine, clearing machine, air machine in the air conditioning.
In the embodiment of the present invention, as shown in fig. 1 to fig. 15, the fresh air device 100 includes a fan 110, a volute component 120 and a bypass switch door 131. A fresh air inlet 121, an air outlet 122, a fresh air inlet channel 123, a bypass air outlet channel 124 and a fresh air cavity 126 communicated with the air outlet 122 are defined in the volute component 120. The fan 110 is installed in the fresh air chamber 126, the fresh air inlet channel 123 and the bypass air outlet channel 124 are isolated from each other and communicated through a gas flow port, the fresh air inlet channel 123 is communicated with the air inlet end of the fresh air inlet 121 and the fresh air chamber 126, the bypass air outlet channel 124 is communicated with the air outlet end of the fresh air inlet 121 and the fresh air chamber 126, and the return air channel 125 is communicated with the air inlet end of the fresh air chamber 126. The valve assembly comprises a bypass switch door 131 and a return air switch door 132, the bypass switch door 131 is arranged at the gas flow openings of the fresh air inlet channel 123 and the bypass air outlet channel 124, so that one of the fresh air inlet channel 123 and the bypass air outlet channel 124 is communicated with the fresh air inlet 121.
In the present embodiment, the entire volute component 120 may be substantially cubic, or may be irregular. The volute assembly 120 may be formed of a shell-shaped structure, such that the fresh air chamber 126 is separated from the fresh air inlet channel 123 and the bypass air outlet channel 124 by a partition. The volute assembly 120 may also be formed from a plurality of shell-like structures. The setting position of new trend import 121 and air outlet 122 can be selected and design according to the type of fan 110, and new trend import 121 department is provided with the blast gate to open or close new trend import 121, new trend import 121 passes through fresh air pipe and outdoor intercommunication, specifically can also set up the tuber pipe adapter, in order to realize connecting new trend import 121 and fresh air pipe. When the fan 110 is a centrifugal fan 110, the fresh air chamber 126 may be formed by the inner chamber of the centrifugal volute. The fresh air inlet 121 is typically located on the air inlet side of the fan 110 and the air outlet 122 is located on the air outlet side of the fan 110.
The bypass opening/closing door 131 may have a door panel structure, a louver structure, or the like. The fresh air inlet channel 123 is communicated with the bypass air outlet channel 124 through an air circulation port. Then, the by-pass switch door 131 is disposed at the gas flow openings of the two, so that the fresh air inlet 121 and the by-pass air outlet channel 124 can be switched to be communicated, or the fresh air inlet 121 and the fresh air inlet channel 123 are communicated. In one embodiment, the bypass switch door 131 is rotatably mounted to the volute assembly 120 to communicate the fresh air inlet 123 with the fresh air inlet 121, or to communicate the bypass air outlet 124 with the fresh air inlet 121. Thereby realizing switching the conducting state of the fresh air inlet 121. The rotation of the bypass switch door 131 may be driven by a motor or may be manually performed.
It can be understood that the bypass air outlet channel 124 communicates the fresh air inlet 121 and the air outlet end of the fresh air cavity 126, that is, the air outlet 122 and the bypass air outlet channel 124 are connected in parallel at the air outlet end of the fresh air cavity 126. When the bypass switch door 131 blocks the communication between the fresh air inlet 121 and the fresh air inlet channel 123 and the fresh air inlet 121 and the bypass air outlet channel 124 are connected. After being blown out from the air outlet side of the fan 110, the airflow can flow into the bypass air outlet channel 124 and also flow out from the air outlet 122, so that the indoor dirty airflow can be discharged to the outside. At this time, in order to make most or all of the indoor airflow flowing in from the return air channel 125 be discharged from the bypass air outlet channel 124, a choke assembly 140, such as an air outlet switch door 142 or a filter screen assembly 141, may be disposed at the air outlet 122, and since the resistance of the air blown out through the bypass air outlet channel 124 is significantly smaller than the resistance of the air blown out through the choke assembly 140, which is equivalent to the short circuit of the air outlet 122 by the bypass air outlet channel 124, the airflow blown out by the fan 110 directly flows into the bypass air outlet channel 124 and is blown out of the room through the fresh air inlet 121, thereby improving the effect of discharging indoor dirty air of the whole fresh air device 100.
The fresh air device 100 has a fresh air mode and a blow-off air mode, as shown in fig. 13 and 21, when the fresh air device 100 is in the fresh air mode, the fresh air device 100 operates, the air valve of the fresh air inlet 121 is opened, and the bypass switch door 131 blocks the airflow between the fresh air inlet 121 and the bypass air outlet channel 124. The fan 110 works, and at this time, the fan 110 serves as a fresh air fan 110, outdoor fresh air is introduced into the fresh air cavity 126 through the fresh air inlet 121 and the fresh air inlet channel 123, and then enters the air outlet channel and is blown out to the indoor through the fresh air outlet 129a, so that fresh air supply is realized.
When the fresh air device 100 is in the exhaust air mode, as shown in fig. 22, the fresh air device 100 operates, the air valve of the fresh air inlet 121 is opened, and the bypass switch door 131 blocks the airflow between the fresh air inlet 121 and the fresh air inlet channel 123. The fan 110 works, and at this moment, the fan 110 serves as an exhaust fan 110, indoor dirty air or dirty air in the volute component 120 can be introduced into the fresh air cavity 126, air flow enters the bypass air outlet channel 124, and then the air is blown out of the outdoor space through the fresh air inlet 121, so that dirty air is exhausted, clean indoor air or air in the volute component 120 is achieved, and user experience is improved.
The utility model discloses new trend device 100 prescribes a limit to bypass air-out passageway 124 in spiral case subassembly 120 and makes bypass air-out passageway 124 communicate the air-out end of new trend import 121 and new trend chamber 126, and the gas flow department through setting up bypass switch door 131 at new trend inlet channel 123 and bypass air-out passageway 124 to make new trend inlet channel 123 and bypass air-out passageway 124 one and new trend import 121 intercommunication. The fresh air device 100 has a fresh air mode and a sewage air mode, so that the use requirements of users can be met. And only add bypass air-out passageway 124, bypass switch door 131 and just can realize switching new trend mode and the mode of airing exhaust on present new trend device 100, need not to add a set of fan 110 in addition for whole new trend device 100's simple structure, spare part are few, with low costs, small, occupation space is little.
In an embodiment, referring to fig. 13 to 15, 21 and 22, the fresh air device 100 further includes a choke assembly 140, the choke assembly 140 is disposed corresponding to the air outlet 122 to block the air flow from blowing out through the air outlet 122 when the bypass air outlet channel 124 is communicated with the fresh air inlet 121, and the air flow from blowing out through the air outlet 122 when the fresh air inlet channel 123 is communicated with the fresh air inlet 121.
In this embodiment, it can be understood that an air outlet volute 129 may be additionally disposed at the air outlet 122 to implement pressurization and change the direction of the outlet air, and the air flow may also be directly blown out from the air outlet 122. The choke assembly 140 may be disposed in the air outlet duct formed by the air outlet volute 129. May also be provided at the outlet opening 122. The choke assembly 140 includes a purge assembly and/or a blow-out switch door 142. Referring to fig. 22, the choke assembly 140 further includes a cleaning assembly and/or an air outlet switch door 142. The purification component can specifically comprise one or more of a HEPA net, an activated carbon net, a gaseous pollutant filter screen such as formaldehyde, VOC, TVOC, toluene and the like, an electrostatic dust collection module and an anion module. The outlet switch door 142 is rotatably mounted on the volute assembly 120, and the outlet switch door 142 can be driven to rotate by a driving motor or the outlet switch door 142 can be manually rotated. The outlet 122 can be opened or closed or the outlet channel can be blocked or opened by the outlet switch door 142. Because the resistance of the air blown out through the bypass air outlet channel 124 is significantly smaller than the resistance of the air blown out through the choke assembly 140, which is equivalent to the short circuit of the air outlet 122 by the bypass air outlet channel 124, the airflow blown out by the fan 110 directly flows into the bypass air outlet channel 124 and is blown out of the room through the fresh air inlet 121. Therefore, the whole fresh air device 100 can continuously discharge indoor air flow outdoors in the air exhaust mode, and has high overall efficiency, low energy consumption, better reliability and better performance.
Specifically, as shown in fig. 1 to 15, the volute assembly 120 includes a housing 127 and an air inlet volute 128, the housing 127 defines a fresh air chamber 126 and the bypass air outlet channel 124; the shell 127 is also provided with an air inlet 127a communicated with the fresh air cavity 126; the air inlet volute 128 covers an air inlet 127a of the casing 127, a fresh air inlet 121 is formed in the air inlet volute 128, a fresh air inlet channel 123 is defined in the air inlet volute 128, the bypass air outlet channel 124 is communicated with the fresh air inlet 121 through the fresh air inlet channel 123, and the fresh air inlet channel 123 is communicated with the fresh air cavity 126 through the air inlet 127 a.
In the present embodiment, the housing 127 may be shaped as a cube or a rectangular parallelepiped. The housing 127 and the air intake volute 128 may be integrally or separately disposed, and may be connected by means of screws, bonding, or the like. The air intake volute 128 is specifically a sealed cover disposed on the housing 127 to improve overall performance. The fresh air chamber 126 may be formed by an inner wall surface of the casing 127, or may be formed by a volute inside the casing 127. To facilitate the installation and removal of the fan 110, the housing 127 is formed by splicing two removably connected sub-housings. The bypass switch door 131 may be mounted to the intake volute 128 and also to the housing 127. So that the bypass air outlet channel 131 is communicated with the fresh air inlet 121 through part of the fresh air inlet channel 123. The bypass switch door 131 is switched to block the bypass air outlet channel 131 or the fresh air inlet channel 123 from being far away from the gas circulation port, i.e. from one side of the fresh air inlet 121, so as to realize the switching of the communication between the fresh air inlet 121 and the fresh air inlet channel 123 or the communication between the fresh air inlet 121 and the bypass air outlet channel 124. The housing 127 and the air inlet volute 128 can also define a fresh air inlet channel 123 together.
In one embodiment, as shown in fig. 1 to 4 and 7 to 15, a return air channel 125 is further defined in the housing, the return air channel 125 communicates with the indoor space and the air inlet end of the fresh air cavity 126, and the fresh air device 100 further includes a return air switch door 132, and the return air switch door 132 is installed in the return air channel 125 to open or close the return air channel 125.
In the present embodiment, it is understood that the return air channel 125 and the bypass air outlet channel 124 are isolated from each other. The indoor airflow can flow into the air inlet side of the fresh air cavity 126 from the air inlet 127a or the air inlet side of the fresh air cavity 126 from other ports after entering the air return channel 125. The return air opening/closing door 132 may have a door panel structure, a louver structure, or the like. The return air channel 125 communicates with the air inlet end of the indoor and fresh air chamber 126, and the volute component 120 is provided with a return air inlet 127b communicating with the indoor. The return air opening/closing door 132 may be provided at the return air inlet 127b or in the return air duct 125, and only needs to be able to open or close the return air duct 125. The return air switch door 132 may be rotatably mounted to the volute assembly 120 to allow rotation to open or close the return air passage 125. The rotation of the return air switch door 132 may be driven by a motor or may be manually performed.
Through setting up return air passageway 125 and return air switch door 132, then can pass through return air inlet 127b with indoor dirty wind, introduce new trend chamber 126 via return air passageway 125, and make the air current get into bypass air-out passageway 124 in, blow off outdoor through new trend import 121 afterwards to the realization is with indoor dirty gas outgoing, and then realizes clean room air, promotes user's use and experiences.
On the basis of the above embodiment, further, the air return channel 125 is defined in the air intake volute 128 and/or the housing 127, and the air return channel 125 is communicated with the fresh air intake channel 123 and is communicated with the fresh air cavity 126 through the air inlet 127 a. The return air passage 125 may be defined only by the inlet volute 128 or the housing 127, or the inlet volute 128 and the housing 127 may jointly define the return air passage 125. The space between the air inlet 127a of the casing 127 and the air inlet volute 128 can be fully utilized, so that the whole structure is more compact, and an air inlet end of the air return channel 125 and the air inlet end of the fresh air cavity 126 are not needed to be additionally arranged, so that the structure can be simplified, the air inlet 127a of the casing 127 can be larger, the air inlet efficiency is improved, and the performance of the whole machine is further improved.
In an embodiment, referring to fig. 7 to 15, 21 and 22, the volute assembly 120 further includes an air outlet volute 129 covering the air outlet 122, and the air outlet volute 129 is provided with a fresh air outlet 129a communicated with the air outlet 122.
In this embodiment, an air outlet duct is formed in the air outlet volute 129. The air outlet volute 129 and the casing 127 may be integrally or separately arranged, and may be connected by means of screws, bonding, or the like. The air outlet volute 129 is specifically a sealing cover arranged on the shell 127 to improve the performance of the whole machine. Through setting up air-out spiral case 129 for the air-out wind pressure of new trend device 100 is bigger, thereby the performance is better. And the air outlet direction can be changed through the air outlet volute 129, thereby meeting the use requirement. Specifically, the air outlet direction of the fresh air outlet 129a is consistent with the air inlet direction of the fresh air inlet 121. Then make fresh air device 100 can realize advancing the new trend from the rear side, the new trend is gone out to the front side, and will take over to hide at the casing 127 back, keeps whole uniformity.
In one embodiment, as shown in fig. 7 to 15, the fan 110 is a centrifugal fan 110, the air inlet volute 128 is located on one axial side of the fan 110, and the air outlet volute 129 is located on one radial side of the fan 110. The centrifugal fan 110 has the advantages of small volume, low noise, large air volume and the like. By disposing the inlet volute 128 on the axial side of the casing 127 on the fan 110, the outlet volute 129 is disposed on the radial side of the casing 127 on the fan 110. The air inlet volute 128 directly corresponds to the air inlet end of the centrifugal fan 110, and the air outlet volute 129 directly corresponds to the air outlet end of the centrifugal fan 110, so that the airflow path is shortened, the wind resistance and the wind loss are reduced, and the energy efficiency of the whole fresh air device 100 is improved. Meanwhile, the air outlet volute 129 and the air inlet volute 128 are arranged on two different dimensions of the shell 127, so that the whole fresh air device 100 is more compact in structure and smaller in occupied space.
In combination with the above-mentioned embodiment with the air outlet volute 129, referring to fig. 12 to 15, 21 and 22, the fresh air device 100 further includes a choke assembly 140, the choke assembly 140 is disposed in the air outlet volute 129 and located between the fresh air outlet 129a and the air outlet 122, so as to block the air flow from blowing out through the fresh air outlet 129a when the bypass air outlet channel 124 is communicated with the fresh air inlet 121, and to blow out the air flow through the fresh air outlet 129a when the fresh air inlet channel 123 is communicated with the fresh air inlet 121.
It should be noted that the choke assembly 140 is located between the fresh air outlet 129a and the fresh air outlet 129a, and then the choke assembly 140 may also be disposed at the air outlet 122 and the fresh air outlet 129 a. The choke assembly 140 may be mounted in the outlet volute 129 through a bracket or other structure, or may be mounted in the outlet volute 129 through a limiting structure such as a limiting groove or other limiting structure, so as to mount the choke assembly 140. It can be understood that when the fresh air device 100 is in the air exhaust mode, the air flow is blown out from the air outlet 122 of the casing 127 into the air outlet volute 129, and returns to be blown out through the bypass air outlet channel 124 after being subjected to the resistance of the choke assembly 140. In order to reduce the back flow stroke of the airflow, it is preferable that the choke assembly 140 is located at a side of the outlet volute 129 near the outlet 122.
Further, as shown in fig. 13, the choke assembly 140 includes a screen assembly 141, and the screen assembly 141 extends in an up-and-down direction, or the screen assembly 141 extends in a horizontal direction. Such that the screen assembly 141 extends in a horizontal direction, i.e., the screen assembly 141 is disposed laterally within the outlet volute 129. The screen assembly 141 extends in the up-down direction, that is, the screen assembly 141 is longitudinally disposed in the outlet volute 129. By arranging the screen assembly 141 in the horizontal direction or in the vertical direction, the screen assembly 141 can be easily disassembled and assembled, the wind resistance of the screen assembly 141 is small, the air volume is increased, and the noise is reduced. In other embodiments, the screen assembly 141 may be disposed in the outlet volute 129 in an inclined manner, so that all or most of the airflow blown out through the fresh air outlet 129a is filtered by the screen assembly 141.
In an embodiment, referring to fig. 12 to 15, the filter assembly 141 includes a filter bracket and a filter mounted on the filter bracket, a handle is disposed on one side of the filter bracket, an operation opening 129d is disposed on a side wall surface of the air outlet volute 129 corresponding to the handle, and a moving track of the handle taken out from the operation opening 129d is disposed forward.
In this embodiment, when the fresh air device 100 is used, the side facing the user is the front side, and the side facing away from the user is the back side. The filter screen specifically can be the HEPA filter screen, and the filter screen corresponds the air inlet end setting of new trend module to dust, debris etc. in the air that the filtration got into air-out spiral case 129 from new trend import 121 make the air current that blows off from new trend export 129a cleaner. The handle of the screen support is used for the user to grab and hold so as to take out the screen support, thereby replacing and cleaning the screen. By providing the operation opening 129d on the side wall surface of the outlet volute 129 corresponding to the handle, the user can grasp the handle through the operation opening 129d to take out the filter net holder from the side surface of the outlet volute 129. The access opening 129d is shaped and sized to accommodate the shape and size of the handle to allow the screen holder to be removed through the access opening 129 d. The forward setting of the movement trajectory of the handle taken out through the operation opening 129d means that the handle is taken out from the front side of the fresh air device 100 when the filter holder is taken out through the operation opening 129 d. Can be through making filter screen support be straight plate-like, insert the back boarding from operation mouth 129d to one side in, and make filter screen support keep away from the one end of handle and incline the setting backward, so, can take out filter screen support from the front side. It is also possible to make the screen holder arc-plate-shaped or bent plate-shaped, and only the end connected with the handle is inclined forward toward the handle, so that the movement locus of the handle taken out by the operation opening 129d is set forward, and the screen holder can be taken out by the front side.
It can be understood that the fresh air device 100 can be disposed in the floor type air conditioner indoor unit, and can also be used alone, and it is usually installed in the corner of the room, then the space between the sidewall surface of the fresh air device 100 or the floor type air conditioner indoor unit and the wall is limited, and because the operation port 129d is disposed on the sidewall surface, a conventional straight line taking-out mode is used, because the space is insufficient, the taking-out of the filter screen bracket is very difficult, and if the filter screen bracket is to be taken out smoothly, the whole machine needs to be moved, thereby bringing great inconvenience to the operation of the user. By arranging the movement locus of the handle taken out from the operation opening 129d forward, the user can take out the entire filter screen support forward from the side of the housing 200 without needing a large space on the side of the machine, and the space on the front side of the device is fully utilized, so that the filter screen support can be taken out conveniently and the occupied space is small.
Further, the filter screen bracket extends along the length direction (left-right direction) of the air outlet volute 129 and is arranged in an arc shape, and the concave surface of the filter screen bracket is arranged forward. Through making the whole left right direction of following of filter screen support extend, and be the arc setting, compare in the filter screen support that straight plate form inserted to one side, occupation space is little to make the structure in the casing compacter. The concave surface of the filter screen bracket is arranged forwards, and the handle is integrally arranged forwards, so that the filter screen bracket can be taken out from the front side of the machine shell 200.
In an embodiment, as shown in fig. 7 to 9 and 13 to 15, the outlet volute 129 has a first sidewall 129b and a second sidewall 129c disposed opposite to each other, the first sidewall 129b is located on the leeward side of the choke assembly 140, and in the outlet direction of the outlet volute 129, the first sidewall 129b is disposed in an arc shape convex outward, and/or the second sidewall 129c is disposed inclined toward the first sidewall 129 b. It is understood that the first side wall 129b may be entirely convexly arcuate or only partially convexly arcuate. Through making first lateral wall 129b be the arc setting of evagination, then when the air current blows to first lateral wall 129b via choke subassembly 140, can play the wind-guiding effect to the air current to reduce the windage, improve the amount of wind, the noise reduction. The second side wall 129c is inclined toward the first side wall 129b, and may be wholly inclined or partially inclined, and the second side wall 129c is inclined toward the first side wall 129b in the air outlet direction of the air outlet volute 129, so that the airflow can be guided to the choke assembly 140, thereby reducing the air outlet resistance in the fresh air mode, and further improving the air volume and reducing the noise.
In the embodiment with the return air channel 125, the inlet volute 128 and/or the housing 127 is further provided with a return air inlet 127b communicated with the return air channel 125, and the return air switch door 132 is rotatably installed at the return air inlet 127b to open or close the return air inlet 127 b. The rotation of the return air switch door 132 may be driven by a motor or may be manually performed. So that the return air opening and closing door 132 can rotatably open or close the return air opening 127b, the overall consistency of the appearance is maintained. And the switch of the air return opening 127b is switched in a rotating mode, so that the air return device is convenient and quick, easy to realize and small in required space.
The utility model also provides a floor type air conditioner indoor unit, please refer to fig. 16-22, this floor type air conditioner indoor unit includes casing 200 and new trend device 100 installed in casing 200, be equipped with air inlet, inlet scoop and new trend air outlet 210 on casing 200, the concrete structure of this new trend device 100 refers to the above-mentioned embodiment, new trend import 121 of new trend device 100 communicates with outdoor through air inlet, return air channel 125 of new trend device 100 communicates with indoor through the inlet scoop, air outlet 122 of new trend device 100 communicates with new trend air outlet 210; since the floor type air conditioner indoor unit adopts all the technical schemes of all the embodiments, all the beneficial effects brought by the technical schemes of the embodiments are at least achieved, and are not repeated.
In this embodiment, the whole of the housing 200 extends vertically. Wherein, the casing 200 can be composed of a front casing, a rear casing, a base, a top cover, etc.; the front shell is composed of one or more than one, the front shell is provided with an air-conditioning air outlet 122 and can also be provided with a fresh air outlet 210; the rear shell is composed of one or more blocks, is provided with an air-conditioning return air channel 125, and can also be provided with an air inlet and an air suction inlet. An indoor heat exchanger part, an air conditioner fan 110 part, a control part, an air treatment module, etc. are further provided in the cabinet 200. The air conditioner fan 110 part is assembled by one or more of a cross flow fan 110, a centrifugal fan 110, an axial flow fan 110, and a diagonal flow fan 110. As shown in fig. 21, when the floor type air conditioner indoor unit starts the fresh air mode, the fresh air device 100 operates, the air valve of the fresh air inlet 121 is opened, the bypass switch door 131 blocks the airflow between the fresh air inlet 121 and the bypass air outlet channel 124, the return air switch door 132 closes the return air channel 125, the fan 110 operates, at this time, the fan 110 serves as the fresh air fan 110, outdoor fresh air is introduced into the fresh air inlet 121 of the fresh air device 100 through the air inlet, enters the fresh air cavity 126 through the fresh air inlet channel 123, then enters the air outlet volute 129 and is blown out through the air outlet 122, and finally is blown into the room through the fresh air outlet 210 on the casing 200, so as to realize fresh air supply. As shown in fig. 22, when the floor type air conditioner indoor unit starts the blowdown air mode, the fresh air device 100 operates, the air valve of the fresh air inlet 121 is opened, the bypass switch door 131 blocks the airflow between the fresh air inlet 121 and the fresh air inlet channel 123, the return air switch door 132 opens the return air channel 125, the fan 110 operates, at this time, the fan 110 serves as the exhaust fan 110, indoor dirty air is introduced into the return air inlet 127b of the fresh air device 100 through the air suction inlet, and flows into the fresh air cavity 126 through the return air channel 125, enters the bypass air outlet channel 124, and is blown out of the room through the fresh air inlet 121, so that indoor dirty air is exhausted, indoor air is cleaned, and user experience is improved.
In an embodiment, as shown in fig. 16, 17 and 22, an air diffusing module 300 is disposed at the fresh air outlet 210, and the air diffusing module 300 is adapted to allow an air flow to pass through and diffuse the air flow passing through the air diffusing module. The shape of the fresh air outlet 210 may be a strip, a circle, a rectangle, or the like, so that the air diffusing effect of the air diffusing module 300 is better, and the shape of the whole air diffusing module 300 is matched with the shape of the fresh air outlet 210. The air diffusing module 300 is suitable for air flow to pass through and air flow which passes through the air diffusing module flows, and the air diffusing module 300 is utilized to enable blown air to be in a diffused flowing mode, namely, the air flow changes the original flowing direction after passing through the air diffusing module 300 and can flow towards different directions, so that the diffused flowing of the air is achieved, the air outlet is enabled to be softer, the air outlet without wind feeling or with breeze feeling is achieved, and the user experience feeling is improved. Specifically, the air dispersing module 300 includes a mounting plate on which one or more of a swirl vane, an air dispersing grille, and a plurality of air dispersing holes are provided. The mounting plate extends along the length direction of the fresh air outlet 210. The swirl blades can be static blades or movable blades, and air flow passing through the swirl blades can be scattered and blown out through the swirl blades, so that the air outlet is softer, and the effect of no wind sensation is better. The air-dispersing grille and the air-dispersing holes can disperse and diffuse air flow, and the flowing direction of the air flow can be changed to a certain extent, so that the air flow flows towards different directions, and the air is prevented from directly blowing to a human body. The swirl vanes, the air dispersing grilles and the air dispersing holes on the mounting plate can be selected and set according to actual requirements, and the combination modes are not listed one by one.
The utility model also provides an air conditioner, this air conditioner include the floor standing air conditioner indoor set and the air condensing units that are linked together through the refrigerant pipe, and the concrete structure of this floor standing air conditioner indoor set refers to above-mentioned embodiment, because this air conditioner has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, no longer gives unnecessary details here.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (16)

1. A fresh air device, comprising:
a fan;
the fan is arranged in the fresh air cavity, the fresh air inlet channel and the bypass air outlet channel are mutually isolated and are communicated through an air circulation port, the fresh air inlet channel is communicated with the fresh air inlet end of the fresh air cavity, and the bypass air outlet channel is communicated with the fresh air inlet end of the fresh air cavity; and
the bypass switch door is arranged at the gas circulation port, so that the fresh air inlet channel is communicated with the fresh air inlet by selecting the bypass air outlet channel.
2. The fresh air device as claimed in claim 1, wherein the volute assembly includes a housing and an inlet volute, the housing defining the fresh air chamber and the bypass outlet channel; the shell is also provided with an air inlet communicated with the fresh air cavity; the air inlet volute cover is arranged at an air inlet of the shell, the air inlet volute is provided with the fresh air inlet, the fresh air inlet channel is limited in the air inlet volute, the bypass air outlet channel is communicated with the fresh air inlet through the fresh air inlet channel, and the fresh air inlet channel is communicated with the fresh air cavity through the air inlet.
3. The fresh air device as claimed in claim 2, wherein a return air channel is defined in the housing, the return air channel communicates with the indoor space and the air inlet end of the fresh air cavity, and the fresh air device further comprises a return air switch door, and the return air switch door is installed in the return air channel to open or close the return air channel.
4. The fresh air device as claimed in claim 3, wherein the air inlet volute and/or the housing defines the return air channel, and the return air channel is communicated with the fresh air inlet channel and communicated with the fresh air cavity through the air inlet.
5. The fresh air device as claimed in claim 2, wherein the volute assembly further includes an air outlet volute covering the air outlet, and the air outlet volute is provided with a fresh air outlet communicated with the air outlet.
6. The fresh air device as claimed in claim 5, wherein the fan is a centrifugal fan, the inlet volute is located on one axial side of the fan, and the outlet volute is located on one radial side of the fan.
7. The fresh air device as claimed in claim 5, further comprising a choke assembly disposed in the outlet volute and between the fresh air outlet and the air outlet, so as to block air flow from the fresh air outlet when the bypass outlet channel is communicated with the fresh air inlet, and to blow air flow from the fresh air outlet when the fresh air inlet channel is communicated with the fresh air inlet.
8. The fresh air device as claimed in claim 7, wherein the choke member includes a screen member extending in an up-down direction, or the screen member extends in a horizontal direction.
9. The fresh air device as claimed in claim 8, wherein the filter screen assembly includes a filter screen bracket and a filter screen mounted on the filter screen bracket, a handle is provided on one side of the filter screen bracket, an operation opening is provided on a side wall surface of the outlet volute corresponding to the handle, and a moving track of the handle taken out by the operation opening is arranged forward.
10. The fresh air device as claimed in claim 7, wherein the outlet volute has a first sidewall and a second sidewall opposite to each other, the first sidewall is located on a leeward side of the choke assembly, and the first sidewall is convexly curved in an outlet direction of the outlet volute and/or the second sidewall is inclined toward the first sidewall.
11. The fresh air device as claimed in claim 3, wherein the air inlet volute and/or the housing is provided with a return air inlet communicated with a return air channel, and the return air switch door is rotatably mounted at the return air inlet to open or close the return air inlet.
12. The fresh air device as claimed in any one of claims 1 to 10, wherein the bypass switch door is rotatably mounted to the volute assembly to communicate the fresh air inlet passage with the fresh air inlet, or to communicate the bypass air outlet passage with the fresh air inlet.
13. The fresh air device as claimed in claim 1, further comprising a choke assembly disposed corresponding to the air outlet to block air flow from being blown out through the air outlet when the bypass air outlet channel is communicated with the fresh air inlet, and to blow out air flow from being blown out through the air outlet when the fresh air inlet channel is communicated with the fresh air inlet, wherein the choke assembly includes a purification assembly and/or an air outlet switch door.
14. A floor type air conditioner indoor unit is characterized by comprising:
the air conditioner comprises a machine shell, wherein an air passing opening, an air suction opening and a fresh air outlet are formed in the machine shell; and
the fresh air device as claimed in any one of claims 1 to 13, wherein the fresh air device is installed in the casing, a fresh air inlet of the fresh air device is communicated with the outside through the air outlet, and an air outlet of the fresh air device is communicated with the fresh air outlet.
15. The floor type air conditioning indoor unit as claimed in claim 14, wherein an air diffusing module is provided at the fresh air outlet, the air diffusing module being adapted to allow an air flow to pass therethrough and diffuse the air flow passing therethrough.
16. An air conditioner, comprising an outdoor unit and an indoor unit as claimed in claim 14 or 15, wherein the outdoor unit and the indoor unit are connected via refrigerant pipes.
CN202021075881.0U 2020-06-11 2020-06-11 Fresh air device, floor type air conditioner indoor unit and air conditioner Active CN212319902U (en)

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CN202021075881.0U CN212319902U (en) 2020-06-11 2020-06-11 Fresh air device, floor type air conditioner indoor unit and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021075881.0U CN212319902U (en) 2020-06-11 2020-06-11 Fresh air device, floor type air conditioner indoor unit and air conditioner

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115076827A (en) * 2022-06-02 2022-09-20 Tcl空调器(中山)有限公司 Fresh air assembly and fresh air conditioner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115076827A (en) * 2022-06-02 2022-09-20 Tcl空调器(中山)有限公司 Fresh air assembly and fresh air conditioner
CN115076827B (en) * 2022-06-02 2023-10-13 Tcl空调器(中山)有限公司 Fresh air component and fresh air conditioner

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