CN221172497U - Unidirectional flow fresh air machine and air duct machine - Google Patents

Abstract

The application relates to the technical field of air conditioning equipment, and discloses a unidirectional flow fresh air machine, which comprises: the fresh air shell comprises a back plate, a front panel and a first side plate which is vertically arranged, wherein the first side plate is connected between the back plate and the front panel; the filter assembly is connected between the back plate and the first side plate and divides the interior of the fresh air shell into an air inlet cavity and an air outlet cavity; the first air inlet is formed in the back plate and is communicated with the air inlet cavity, and the first air inlet is used for being communicated with an outdoor environment; the second air inlet is arranged on the first side plate and communicated with the air inlet cavity, and the second air inlet is used for being communicated with an outdoor environment; the air outlet is arranged on the front panel and is communicated with the air outlet cavity; the fan is arranged in the air outlet cavity and is used for guiding outdoor air to the air outlet through the air of the first air inlet or the second air inlet. The application can select the position of the air inlet according to the installation position and the installation space, thereby reducing the installation difficulty. The application also discloses an air duct machine.

Description

Unidirectional flow fresh air machine and air duct machine

Technical Field

The application relates to the technical field of air conditioning equipment, in particular to a unidirectional flow fresh air machine and an air pipe machine.

Background

Along with the increasing of living standard, the requirements of people on living quality are also higher and higher, and the indoor air pollution caused by indoor furniture and decoration is long-time, so that the requirements of people on indoor fresh air exchange are also stronger and stronger.

A fresh air inlet located on the rear side plate and a fresh air outlet located on the front side plate are arranged on the shell, and the fresh air inlet is communicated to the outside, so that the fresh air is communicated with the inside and the outside to provide outdoor fresh air for the inside.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

When the installation space of the fresh air fan is insufficient, if the fresh air inlet is positioned on the rear side plate, the operation space of an installer is insufficient when the air inlet pipe and the fresh air inlet are connected, and the installation is inconvenient.

It should be noted that the information disclosed in the above background section is only for enhancing the understanding of the background of the application and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of utility model

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows.

The embodiment of the disclosure provides a unidirectional current fresh air machine and tuber pipe machine, can select the position of air intake according to mounted position and installation space to reduce the installation degree of difficulty, promote the convenience of installation.

In some embodiments, the unidirectional flow fresh air blower includes a fresh air housing, a filter assembly, a first air inlet, a second air inlet, an air outlet, and a blower. The fresh air shell comprises a back plate, a front panel and a first side plate which is vertically arranged, wherein the first side plate is connected between the back plate and the front panel; the filter assembly is connected between the back plate and the first side plate, and divides the interior of the fresh air shell into an air inlet cavity and an air outlet cavity; the first air inlet is formed in the back plate and communicated with the air inlet cavity, and the first air inlet is used for being communicated with an outdoor environment; the second air inlet is formed in the first side plate and communicated with the air inlet cavity, and the second air inlet is used for being communicated with an outdoor environment; the air outlet is arranged on the front panel and is communicated with the air outlet cavity; the fan set up in the air-out chamber, the fan is used for with the air water conservancy diversion of outdoor air through first air intake or second air intake extremely the air outlet.

In some embodiments, the unidirectional flow fresh air machine further comprises a first knockout sheet and a second knockout sheet. The first knock-out plate is matched with the outline shape of the first air inlet and is fixedly connected with the edge of the first air inlet through at least one first connecting part; the second knock-out plate is matched with the outline shape of the second air inlet and is fixedly connected with the edge of the second air inlet through at least one second connecting part.

In some embodiments, the first connection comprises a first connection rib; the second connecting portion comprises a second connecting rib.

In some embodiments, the filter assembly comprises: the first bracket is detachably connected with the fresh air shell; the first filter screen is arranged on the first bracket.

In some embodiments, the filter assembly further comprises: the second filter screen bracket is fixedly connected with the first bracket; the second filter screen is arranged on the second support, and the first filter screen and the second filter screen are arranged at intervals.

In some embodiments, the first filter screen faces the first air inlet and the second air inlet, including a primary filter screen; the second filter screen faces the air outlet cavity and comprises one of a medium-efficiency filter screen and a high-efficiency filter screen.

In some embodiments, the unidirectional flow fresh air machine further comprises: the heat preservation layer is attached to the inner side wall of the fresh air shell.

In some embodiments, the unidirectional flow fresh air machine further comprises: a detecting part and a control part. The detection part is arranged on the outer wall surface of the front panel and is used for detecting indoor air quality information; and the control part is electrically connected with the detection part and the fan, acquires the air quality information and adjusts the rotating speed of the fan according to the air quality information.

In some embodiments, the ducted air machine includes: the indoor unit shell comprises a third side plate and a fourth side plate which are oppositely arranged, and the fourth side plate and the third side plate have the same structure; and the fresh air shell further comprises a second side plate which is identical to the first side plate in structure and is arranged opposite to the first side plate in structure, wherein the first side plate is identical to the third side plate in structure, and the fresh air shell is detachably connected with the indoor unit shell.

In some embodiments, the ducted air machine further comprises: the first hanging leg is arranged at the bottom end of the first side plate; the second hanging leg is arranged at the bottom end of the second side plate; the third hanging leg is arranged at the bottom end of the third side plate; the fourth hanging leg is arranged at the bottom end of the fourth side plate; under the condition that the first side plate is close to the fourth side plate, the first hanging leg and the fourth hanging leg are detachably connected; or under the condition that the second side plate is close to the third side plate, the second hanging leg and the third hanging leg are detachably connected.

The unidirectional flow fresh air machine and the air duct machine provided by the embodiment of the disclosure can realize the following technical effects:

Through the first air inlet formed in the back plate and the second air inlet formed in the first side plate, the unidirectional current fresh air machine can be provided with air inlets in different positions and different directions. Therefore, the first air inlet or the second air inlet can be freely selected to be opened according to the installation space and the installation position of the unidirectional current fresh air machine. Therefore, the defect of the operation space in the installation space can be avoided, the installation difficulty is reduced, and the flexibility and convenience of the installation of the unidirectional flow fresh air fan and the air duct machine are improved.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which like reference numerals refer to similar elements, and in which:

fig. 1 is a schematic structural diagram of a unidirectional flow fresh air machine according to an embodiment of the present disclosure;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of portion B of FIG. 1;

Fig. 4 is a schematic structural diagram of another unidirectional flow fresh air machine provided by an embodiment of the present disclosure;

FIG. 5 is a schematic cross-sectional view of a unidirectional flow fresh air machine provided by an embodiment of the present disclosure;

FIG. 6 is a schematic cross-sectional view of another unidirectional flow fresh air machine provided by an embodiment of the present disclosure;

FIG. 7 is an exploded schematic view of a unidirectional flow fresh air machine provided by an embodiment of the present disclosure;

FIG. 8 is an enlarged partial schematic view of FIG. 7;

FIG. 9 is a schematic illustration of a filter assembly provided in an embodiment of the present disclosure;

FIG. 10 is an exploded schematic view of another unidirectional flow fresh air machine provided by an embodiment of the present disclosure;

FIG. 11 is a schematic view of an air duct machine according to an embodiment of the present disclosure;

fig. 12 is a schematic structural view of an air duct machine according to an embodiment of the present disclosure.

Reference numerals:

100. A fresh air shell; 110. an air inlet cavity; 120. an air outlet cavity; 130. a step portion; 131. a step plate; 132. a connecting plate; 111. a back plate; 112. a front panel; 113. a first side plate; 114. a top plate; 115. a bottom plate; 116. a second side plate; 200. a filter assembly; 210. a filter support; 211. a first bracket; 212. a second bracket; 220. a filter screen; 221. a first filter screen; 222. a second filter screen; 310. a first air inlet; 311. a first knock-out plate; 312. a first connection portion; 320. a second air inlet; 321. a second knock-out plate; 322. a second connecting portion; 330. an air outlet; 340. a taking and placing port; 341. a cover body; 400. a blower; 510. a first support arm; 520. a first clamping piece; 521. a first clamping piece; 522. a second clamping piece; 530. a second support arm; 540. a second clamping piece; 541. a third clamping piece; 542. a fourth clamping piece; 550. a third clamping member; 560. a fourth clamping member; 570. a clamping groove; 600. an indoor unit casing; 610. a third side plate; 620. a fourth side plate; 710. a first hanging leg; 720. a second hanging leg; 730. a third hanging leg; 740. and a fourth hanging leg.

Detailed Description

So that the manner in which the features and techniques of the disclosed embodiments can be understood in more detail, a more particular description of the embodiments of the disclosure, briefly summarized below, may be had by reference to the appended drawings, which are not intended to be limiting of the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.

The terms first, second and the like in the description and in the claims of the embodiments of the disclosure and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe embodiments of the present disclosure. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe embodiments of the present disclosure and embodiments thereof and are not intended to limit the indicated device, element, or component to a particular orientation or to be constructed and operated in a particular orientation. Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the embodiments of the present disclosure will be understood by those of ordinary skill in the art in view of the specific circumstances.

In addition, the terms "disposed," "connected," "secured" and "affixed" are to be construed broadly. For example, "connected" may be in a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the embodiments of the present disclosure may be understood by those of ordinary skill in the art according to specific circumstances.

The term "plurality" means two or more, unless otherwise indicated.

In the embodiment of the present disclosure, the character "/" indicates that the front and rear objects are an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes an object, meaning that there may be three relationships. For example, a and/or B, represent: a or B, or, A and B.

It should be noted that, without conflict, the embodiments of the present disclosure and features of the embodiments may be combined with each other.

Referring to fig. 1 to 10, the embodiment of the present disclosure provides a unidirectional flow fresh air fan including a fresh air case 100, a filter assembly 200, a first air inlet 310, a second air inlet 320, an air outlet 330, and a fan 400. Wherein, fresh air case 100 includes backplate 111, front panel 112 and first curb plate 113 along vertical arrangement, and wherein, first curb plate 113 is connected between backplate 111 and front panel 112; the filter assembly 200 is connected between the back plate 111 and the first side plate 113, and the filter assembly 200 divides the interior of the fresh air shell 100 into an air inlet cavity 110 and an air outlet cavity 120; the first air inlet 310 is formed in the back plate 111 and is communicated with the air inlet cavity 110, and the first air inlet 310 is used for being communicated with the outdoor environment; the second air inlet 320 is arranged on the first side plate 113 and is communicated with the air inlet cavity 110, and the second air inlet 320 is used for being communicated with the outdoor environment; the air outlet 330 is arranged on the front panel 112 and is communicated with the air outlet cavity 120; the fan 400 is disposed in the air outlet cavity 120, and is configured to guide the outdoor air to the air outlet 330 through the air of the first air inlet 310 or the second air inlet 320.

Optionally, fresh air casing 100 includes back panel 111, front panel 112, first side panel 113 disposed vertically, top panel 114, bottom panel 115, and second side panel 116 disposed vertically. Wherein the front panel 112 and the back panel 111 are disposed opposite to each other, and the first side panel 113 and the second side panel 116 are disposed. The top plate 114, the bottom plate 115, the back plate 111, a part of the first side plate 113, the front plate 112, and the second side plate 116 together define an airflow space inside the fresh air casing 100.

Optionally, the first air inlet 310 is disposed on the back plate 111 and can be communicated with the air inlet cavity 110, and the second air inlet 320 is disposed on the first side plate 113 and can be communicated with the air inlet cavity 110. In this way, the first air inlet 310 can be opened under the condition that the operation space at the rear part of the back plate in the installation space of the unidirectional flow fresh air fan is insufficient; or the second air inlet 320 may be opened in the case that the operation space beside the first side plate is insufficient in the installation space of the unidirectional flow fan. Thereby reduce the installation degree of difficulty, promote flexibility and the convenience of unidirectional flow new fan installation.

Optionally, an air outlet 330 is provided on the front panel 112. The fresh air flow flowing in from the first air inlet 310 or the second air inlet 320 flows into the room through the air outlet 330 to adjust the indoor environment.

Optionally, the air outlet 330 faces the indoor environment, and the second air inlet 320 is disposed on the end of the first side plate 113 near the back plate 111, so that the second air inlet 320 is convenient for communication to the external environment.

Optionally, the filter assembly 200, the second side plate 116, the front panel 112, the bottom plate 115, another portion of the first side plate 113, and the top plate 114 together define an air outlet chamber therebetween. A fan 400 is disposed in the air outlet cavity near the air outlet 330, and the fan 400 is used for driving outdoor fresh air to flow to the air outlet 330 through the first air inlet 310 or the second air inlet 320.

Optionally, the blower 400 is disposed proximate the second side plate 116. In this way, the outdoor fresh air flow can be prevented from directly flowing to the fresh air fan through the part close to the first side plate 113, so that the utilization area and the utilization rate of the filter assembly 200 can be improved.

Optionally, after the outdoor air flow is guided to the air outlet 330 through the first air inlet 310 or the second air inlet 320, the outdoor air flow flows into the room, so that fresh air can be provided to the room to improve the air quality in the room. At this time, because outdoor fresh air enters the room, micro-positive pressure is formed in the room, and the indoor pressure is higher than the outdoor pressure, so that indoor polluted air can be pressed outdoors through window gaps or door gaps under the action of the pressure. Therefore, the unidirectional flow fresh air machine only needs to be connected with the air inlet pipe, does not need to be connected with the return air pipe, and compared with the existing fresh air machine needing the air inlet pipe and the return air pipe, the setting of the pipeline is reduced by half, and when the pipeline is installed, only the hole of the air inlet pipe is required to be drilled on the wall, the hole of the air inlet pipe is not required to be drilled any more, the number of through-wall holes is reduced, and therefore the installation difficulty and the installation cost can be reduced.

Optionally, the unidirectional current fresh air machine further comprises an air inlet pipe, one end of the air inlet pipe is installed and connected to the first air inlet 310 or the second air inlet 320, and the other end of the air inlet pipe extends to the outside. Like this, when installing the new fan of uniflow, can be according to the mounted position selection with the air-supply line installation at first air intake 310 or second air intake 320 to be favorable to improving the installation space of air-supply line in indoor, and then improve the installation of the new fan of uniflow more nimble.

Alternatively, the first side plate 113 may be a left side plate or a right side plate.

In order to filter and purify the fresh air flow from the first air inlet 310 or the second air inlet 320, the filter assembly 200 is connected between the back plate 111 and the first side plate 113, that is, the filter assembly 200 is disposed obliquely with respect to the back plate 111. In this way, the filtering assembly 200 can jointly enclose the top plate 114, the back plate 111, the first side plate 113 and the bottom plate 115 to define an air inlet cavity which can be communicated with the first air inlet 310 and the second air inlet 320, so that the fresh air flow flowing into the first air inlet 310 or the second air inlet 320 can be filtered and purified.

Since the filter assembly 200 is disposed inside the fresh air case 100, in order to facilitate the disassembly or assembly of the filter assembly 200, the filter assembly 200 is detachably connected to the back plate 111 and the first side plate 113, and the top plate 114 is provided with a taking and placing opening 340. The filter assembly 200 can be installed into the fresh air housing 100 through the access opening 340, or can be removed and taken out through the access opening 340.

Optionally, a cover 341 is disposed at the pick-and-place opening 340, and the outline shape of the cover 341 is adapted to the shape of the pick-and-place opening 340 and detachably connected to the top plate 114. In the case where the cover 341 is detached from the top plate 114, the access opening 340 is opened, and the filter assembly 200 can be detached and taken out through the access opening 340; with the cover 341 connected to the top plate 114, the access opening 340 is closed to avoid leakage of air flow in the fresh air case 100.

Optionally, a sealing rubber strip is disposed along the periphery of the cover 341, so as to further improve the sealing performance at the access opening 340 when the cover 341 closes the access opening 340.

It should be noted that, in the assembly of the unidirectional flow fresh air fan provided in the embodiment of the disclosure, the top plate 114 is located above the bottom plate 115, and after other components such as the fan in the fresh air housing 100 and the filter assembly 200 are assembled, the cover 341 is covered on the pick-and-place opening 340; when installing this uniflow fan to user's waiting space, bottom plate 115 is located the top, roof 114 is located the below, that is to say roof orientation waiting space, when uniflow fan installs in the furred ceiling space, roof 114 orientation furred ceiling to under the condition that the furred ceiling was taken off, be convenient for take off lid 341 and open get put mouth 340, and then be favorable to improving filter assembly 200's dismantlement washing or change convenience.

By adopting the unidirectional current fresh air machine provided by the embodiment of the disclosure, the unidirectional current fresh air machine can be provided with the air inlets at different positions and in different directions through the first air inlet formed in the back plate and the second air inlet formed in the first side plate. Therefore, the first air inlet or the second air inlet can be freely selected to be opened according to the installation space and the installation position of the unidirectional current fresh air machine. Therefore, the defect of the operation space in the installation space can be avoided, the installation difficulty is reduced, and the flexibility and convenience of the installation of the unidirectional flow fresh air fan and the air duct machine are improved.

Optionally, as shown in connection with fig. 1-7, the unidirectional flow fresh air machine further includes a first knockout sheet 311 and a second knockout sheet 321. The first knock-out plate 311 is adapted to the contour shape of the first air inlet 310, and is fixedly connected with the edge of the first air inlet 310 through at least one first connecting portion 312; the second knock-out plate 321 is adapted to the contour shape of the second air inlet 320 and is fixedly connected to the edge of the second air inlet 320 through at least one second connecting portion 322.

In this way, when installing the unidirectional current fresh air machine, the air inlet which needs to be opened can be selected according to the installation requirement, so that the corresponding first knockout piece 311 or second knockout piece 321 is removed.

Optionally, as shown in connection with fig. 2 and 3, the first connecting portion 312 includes a first connecting rib; the second connection portion 322 includes a second connection rib. In this way, the first connection part 312 or the second connection part 322 can be knocked out to separate the first knock-out piece 311 from the back plate 111 to open the first air inlet 310, or to separate the second knock-out piece 321 from the first side plate 113 to open the second air inlet 320. Optionally, the plurality of first connection portions 312 are arranged at intervals along the periphery of the first air inlet 310, so as to improve stability when the periphery of the first air inlet 310 is connected with the first knock-out plate 311, and avoid the situation that the first knock-out plate 311 falls off due to factors such as shaking during transportation, so as to avoid mice and the like from entering the fresh air housing 100; similarly, the plurality of second connecting portions 322 are arranged at intervals along the periphery of the second air inlet 320, so as to improve the stability of the periphery of the second air inlet 320 when being connected with the second knock-out plate 321, and avoid the occurrence of the falling off condition of the second knock-out plate 321 caused by factors such as shaking and the like in the transportation process, thereby avoiding mice and the like from entering the fresh air shell 100. Therefore, before the unidirectional flow fresh air fan is installed, the first knock-out piece 311 and the second knock-out piece 321 can effectively ensure that mice and the like are prevented from entering the fresh air housing 100, and the components inside the fresh air housing 100 are protected. When the unidirectional flow fresh air machine is installed, the first knock-out piece 311 and the second knock-out piece 321 may be knocked out by hand or a tool to perform arrangement and connection of the air inlet duct.

Alternatively, as shown in connection with fig. 6-9, filter assembly 200 includes a filter support 210 and a filter mesh 220. Wherein the filter holder 210 is detachably connected to both the back plate 111 and the first side plate 113. The filter screen 220 is fixedly disposed on the filter support 210. By providing the filter screen 220 to the filter holder 210, the filter screen 220 can be supported by using the rigidity of the filter holder 210, thereby avoiding deformation of the filter screen 220. Further, removable attachment of filter assembly 200 to back panel 111 and first side panel 113 may be accomplished using filter support 210. Optionally, the filter support 210 is clamped or slidingly connected to the back plate 111 and the first side plate 113.

Optionally, the filter assembly 200 includes a first bracket 211 and a first screen 221. The first bracket 211 is detachably connected with the fresh air case 100; the first filter 221 is disposed on the first bracket 211.

Alternatively, the first filter 221 is a single-layer filter, and may be one of a primary filter, a medium-efficiency filter, or a high-efficiency filter. Wherein the primary filter screen can filter dust and/or hair; the medium-efficiency filter screen can filter particulate matters and/or peculiar smell; the high efficiency filter screen can filter formaldehyde, germs and/or PM2.5.

Optionally, the first filter 221 is a double-layer filter to improve the filtering effect.

Optionally, the filter assembly 200 further includes a second bracket 212 and a second screen 222. Wherein, the second bracket 212 is fixedly connected with the first bracket 211; the second filter 222 is disposed on the second bracket 212, wherein the first filter 221 is spaced from the second filter 222.

Optionally, the second filter 222 is fixedly connected to the first filter 221 in sequence along the flow direction of the fresh air flow, that is, the direction from the air inlet chamber 110 to the air outlet chamber 120. By the arrangement of the first filter screen 221 and the second filter screen 222, the effect of filtering and purifying the fresh air flow can be improved.

Optionally, the first filter 221 faces the first air inlet 310 and the second air inlet 320, including a primary filter; the second filter 222 faces the air outlet cavity 120 and comprises one of a medium efficiency filter and a high efficiency filter.

Optionally, the first filter 221 is a primary filter, and the second filter 222 is one of a medium-efficiency filter or a high-efficiency filter. Wherein the primary filter screen can filter dust and/or hair; the medium-efficiency filter screen can filter particulate matters and/or peculiar smell; the high efficiency filter screen can filter formaldehyde, germs and/or PM2.5.

Optionally, the unidirectional flow fresh air machine further comprises a connection assembly for securing the filter assembly 200, the connection assembly comprising a first support arm 510, a first catch 520, a second support arm 530, and a second catch 540. Wherein, the first supporting arm 510 extends vertically to the back plate 111; the first clamping member 520 is disposed at a first side end of the filter support 210, and the first clamping member 520 is used for clamping an upper end of the first support arm 510; the second support arm 530 extends vertically from the first side plate 113; the second clamping member 540 is fixedly disposed at a second side end of the filter support 210, and the second clamping member 540 is used for clamping an upper end of the second support arm 530, wherein the second side end is disposed opposite to the first side end.

Alternatively, the first clamping member 520 and the second clamping member 540 have the same structure and are respectively disposed at a first side end and a second side end of the filter support 210 extending along a vertical direction. The first clamping member 520 includes a first clamping piece 521 and a second clamping piece 522, where the first clamping piece 521 and the second clamping piece 522 are parallel to the side wall of the first support arm 510, and a clamping slot is formed therebetween and has an opening penetrating up and down; similarly, the second clamping member 540 includes a third clamping piece 541 and a fourth clamping piece 542, where the first clamping piece 521 and the second clamping piece 522 are parallel to the sidewall of the first supporting arm 510, and have a clamping slot formed therebetween and an opening passing through the top and bottom. When the filter assembly 200 is installed, the filter holder 210 is pushed downward, the first support arm 510 enters the clamping groove between the first clamping piece 521 and the second clamping piece 522 through the through opening, and the second support arm 530 enters the clamping groove between the third clamping piece 541 and the fourth clamping piece 542 through the through opening; at the same time, the first support arm 510 and the second support arm 530 have a guiding function, so that the first clamping member 520 moves along the first support arm 510 and the second clamping member 540 along the second support arm 530 until the filter assembly 200 collides with the bottom plate 115. At this time, the first clamping member 520 is clamped at the upper end of the first supporting arm 510, and the second clamping member 540 is clamped at the upper end of the second supporting arm 530, so as to connect the filter assembly 200 with the back plate 111 and the first side plate 113, that is, fix the filter assembly 200.

Optionally, the unidirectional flow fresh air machine further includes a third catch 550 and a fourth catch 560. The third clamping member 550 is disposed at the lower end of the first supporting arm 510, and is used for clamping the first side end of the filter bracket 210; the fourth clamping member 560 is disposed at the lower end of the second supporting arm 530 for clamping the second side end of the filter holder 210.

Optionally, the third and fourth latches 550 and 560 are identical in structure. The third clamping member 550 includes a fifth clamping piece and a sixth clamping piece, between which a clamping groove is formed, and has an opening penetrating upward; the fourth clamping member 560 includes a seventh clamping piece and an eighth clamping piece with a clamping groove formed therebetween and having an opening extending upward therethrough. In this way, in the case that the filter assembly 200 is in contact with the bottom plate 115, the lower end of the first side end of the filter support 210 is located in the clamping groove between the fifth clamping piece and the sixth clamping piece, the lower end of the second side end of the filter support 210 is located in the clamping groove between the seventh clamping piece and the eighth clamping piece, that is, the third clamping piece 550 clamps the lower end of the first side end of the filter support 210, and the fourth clamping piece 560 clamps the lower end of the second side end of the filter support 210, so that both the upper end and the lower end of the filter support 210 can be fixed, and the stability of the filter assembly 200 can be improved.

Optionally, as shown in connection with fig. 10, the unidirectional flow fresh air machine further includes a catch slot 570. The clamping groove 570 is disposed on the bottom plate 115, and is used for receiving and clamping the bottom end of the filter support 210.

In this way, when the filter assembly 200 abuts against the bottom plate 115, the bottom end of the filter support 210 may be inserted into the retaining groove 570, and the retaining groove 570 is used to limit the bottom end of the filter support 210, so that the bottom end of the filter support 210 can be fixed. Further, the fixing of the upper and lower ends of the filter assembly 200 can be achieved by the cooperation with the first and second stoppers 520 and 530, and thus the stability of the filter assembly 200 can be improved.

Optionally, the filter support 210 is also fixedly connected to the bottom plate 115 by screws, so as to improve the stability of the filter support 210.

Optionally, the unidirectional flow fresh air machine further comprises a step 130. The step portion 130 is formed on the top plate 114 and includes a step plate 131 and a connecting plate 132, which are connected in a bending manner, the step plate 131 is parallel to the top plate 114, the taking and placing opening 340 is formed on the step plate 131, the connecting plate 132 extends vertically towards the bottom plate 115 and is connected between the step plate 131 and the top plate 114, and the cover 341 can be overlapped with the step plate 131.

Alternatively, the outer side of the cover 341 is flush with the outer side of the top plate 114, or the outer side of the cover 341 is lower than the outer side of the top plate 114.

By the arrangement of the step part 130, on one hand, the step plate 131 can realize the bearing function on the cover body 341 so as to improve the mounting stability of the cover body 341; on the other hand, the connecting plate 132 extending vertically towards the bottom plate 115 is beneficial to forming a certain height difference between the step plate 131 and the top plate 114 so as to be convenient for accommodating the cover body 341, and the cover body 341 can be lapped on the step plate 131, so that the outer side surface of the cover body 341 can be flush with or lower than the outer side surface of the top plate 114, and the integrity and the aesthetic property of the fresh air case 100 are improved; in addition, the cover 341 is connected with the connecting plate 132, so that the connection piece can be avoided from being arranged on the top plate 114, and the integrity and the aesthetic property of the fresh air shell 100 can be further improved.

Optionally, the first side edge of the cover 341 is pivotally connected to the connection plate 132, so that the cover 341 rotates relative to the connection plate 132 to open the access opening 340; the second side of the cover 341 is fixedly connected with the step plate 131 through a screw, so that the cover 341 can be attached to the step plate 131 when the cover 341 closes the taking and placing opening 340, and the taking and placing opening 340 can be sealed. Wherein the first side of the cover 341 is opposite to the second side of the cover 341.

Alternatively, the first side of the cover 341 is clamped with the connecting plate 132, and the second side of the cover 341 is fixedly connected with the step plate 131 by screws. In this way, in the case of screw removal, the cover 341 is advantageously removed, so as to reduce the difficulty and workload of the removal. Wherein the first side of the cover 341 is opposite to the second side of the cover 341.

Alternatively, the first side of the cover 341 is fixedly connected to the connection plate 132 by a screw, and the second side of the cover 341 is fixedly connected to the step plate 131 by a screw. In this way, the stability of the cover 341 when the access opening 340 is closed can be improved, so that the cover 341 is prevented from falling off, and the tightness of the fresh air housing 100 is maintained. Wherein the first side of the cover 341 is opposite to the second side of the cover 341.

Optionally, the unidirectional current fresh air machine further comprises an insulation layer. Wherein, the heat preservation is attached to the inside wall setting of new trend casing 100.

So, through the setting of heat preservation, can protect other inner structures such as filter component 200, fan 400 in the fresh air casing 100, also can reduce the heat loss of sending into the inside air of equipment simultaneously, avoid heat loss.

Optionally, the heat preservation layer is heat preservation cotton, so that the cost is low and the source is wide.

Optionally, the unidirectional flow fresh air machine further comprises: a detecting part and a control part. Wherein, the detection part is arranged on the outer wall surface of the front panel 112, and the detection part is used for detecting indoor air quality information; the control part is electrically connected with the detection part and the fan 400, acquires air quality information, and adjusts the rotating speed of the fan 400 according to the air quality information. The outer wall surface of the front panel 112 is a side surface facing the interior of the room.

Therefore, the rotating speed of the fan 400, namely the air quantity of the fresh air flow, can be adjusted according to the air quality information, and the indoor air quality can be adjusted quickly, and energy can be saved. Optionally, the air quality information includes carbon dioxide concentration, PM2.5 concentration, and the like. The higher the concentration such as the carbon dioxide concentration and the PM2.5 concentration, the higher the rotation speed of the blower 400; the lower the concentration such as the carbon dioxide concentration and the PM2.5 concentration, the lower the rotation speed of the blower 400.

Referring to fig. 11 and 12, an embodiment of the present disclosure provides an air duct machine, including an indoor unit housing 600 and a unidirectional flow fresh air machine as described above. The indoor unit casing 600 includes a third side plate 610 and a fourth side plate 620 disposed opposite to each other, and the fourth side plate 620 has the same structure as the third side plate 610. The fresh air case 100 of the unidirectional flow fresh air machine further comprises a second side plate 116 which is identical in structure with the first side plate 113 and is arranged opposite to the first side plate 113, and the first side plate 113 is identical in structure with the third side plate 610, wherein the fresh air case 100 is detachably connected with the indoor unit case 600.

Optionally, an indoor air inlet and an indoor air outlet are provided on the indoor unit casing 600, an indoor air flow channel is provided between the indoor air inlet and the indoor air outlet, and an indoor air blower and an indoor heat exchanger are provided in the indoor air flow channel. Indoor air flow enters the interior of the indoor unit casing 600 through the indoor air inlet, and after heat exchange with the indoor heat exchanger, flows back to the room through the indoor air outlet so as to regulate the temperature of the indoor environment, thereby improving the comfort level of users.

Alternatively, the fresh air casing 100 is detachably connected to the indoor unit casing 600. In this way, a unidirectional flow fresh air machine can be installed beside the air duct machine, and the indoor temperature adjustment and the indoor quality adjustment can be performed simultaneously or separately.

The first side plate 113, the second side plate 116, the third side plate 610 and the fourth side plate 620 are disposed as plate bodies having the same structure, that is, the heights and lengths of the first side plate 113, the second side plate 116, the third side plate 610 and the fourth side plate 620 are the same. In this way, the heights of the fresh air case 100 and the indoor unit case 600 are the same as the lengths in the front-rear direction, so that the unidirectional flow fresh air fan and the indoor unit can be installed while the air outlet panels of the unidirectional flow fresh air fan and the indoor unit are kept on the same plane, and the heights of the unidirectional flow fresh air fan and the indoor unit are kept consistent, so that the aesthetic property is improved.

Optionally, the ducted air conditioner further includes a first hanger 710, a second hanger 720, a third hanger 730, and a fourth hanger 740. The first hanging leg 710 is disposed at the bottom end of the first side plate 113; the second hanging leg 720 is arranged at the bottom end of the second side plate 116; the third hanging leg 730 is disposed at the bottom end of the third side plate 610; the fourth hanging leg 740 is disposed at the bottom end of the fourth side plate 620. In the case that the first side plate 113 is disposed near the fourth side plate 620, the first hanging leg 710 and the fourth hanging leg 740 are detachably connected; or the second leg 720 and the third leg 730 are detachably connected in the case where the second side plate 116 is disposed adjacent to the third side plate 610.

Optionally, the first hanging leg 710 includes at least two hanging legs respectively disposed at two ends of the bottom end of the first side plate 113; similarly, the second hanging leg 720 includes at least two hanging legs respectively disposed at two ends of the bottom end of the second side plate 116; the third hanging leg 730 at least comprises two hanging legs respectively arranged at two ends of the bottom end of the third side plate 610; the fourth hanger 740 includes at least two hanging legs respectively disposed at two ends of the bottom end of the fourth side plate 620. Thus, when installed, the bottom ends of the first side plate 113, the second side plate 116, the third side plate 610 and the fourth side plate 620 face the top wall of the room to facilitate hanging installation.

As such, the first hanger 710 and the fourth hanger 740 may share a pair of hanger bars, or the second hanger 720 and the third hanger 730 may share a pair of hanger bars. Therefore, not only the installation cost can be saved, but also the occupied space after installation can be reduced.

The above description and the drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may include structural and other modifications. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. A unidirectional flow fresh air machine, comprising:

The fresh air shell comprises a back plate, a front panel and a first side plate which is vertically arranged, wherein the first side plate is connected between the back plate and the front panel;

The filter assembly is connected between the back plate and the first side plate and divides the interior of the fresh air shell into an air inlet cavity and an air outlet cavity;

the first air inlet is formed in the back plate and communicated with the air inlet cavity, and the first air inlet is used for being communicated with an outdoor environment;

The second air inlet is formed in the first side plate and communicated with the air inlet cavity, and the second air inlet is used for being communicated with an outdoor environment;

The air outlet is arranged on the front panel and is communicated with the air outlet cavity;

The fan is arranged in the air outlet cavity and is used for guiding outdoor air to the air outlet through the air of the first air inlet or the second air inlet.

2. The unidirectional flow fresh air machine of claim 1, further comprising:

The first knock-out plate is matched with the outline shape of the first air inlet and is fixedly connected with the edge of the first air inlet through at least one first connecting part;

The second knock-out plate is matched with the outline shape of the second air inlet and is fixedly connected with the edge of the second air inlet through at least one second connecting part.

3. The unidirectional flow fresh air machine of claim 2, wherein,

The first connecting part comprises a first connecting rib;

the second connecting portion comprises a second connecting rib.

4. The unidirectional flow fresh air machine of claim 1, wherein the filter assembly comprises:

the first bracket is detachably connected with the fresh air shell;

The first filter screen is arranged on the first bracket.

5. The unidirectional flow fresh air machine of claim 4, wherein the filter assembly further comprises:

the second bracket is fixedly connected with the first bracket;

The second filter screen is arranged on the second support, and the first filter screen and the second filter screen are arranged at intervals.

6. The unidirectional flow fresh air machine of claim 5, wherein,

The first filter screen faces the first air inlet and the second air inlet and comprises a primary filter screen;

the second filter screen faces the air outlet cavity and comprises one of a medium-efficiency filter screen and a high-efficiency filter screen.

7. The unidirectional flow fresh air machine of any one of claims 1 to 6, further comprising:

the heat preservation layer is attached to the inner side wall of the fresh air shell.

8. The unidirectional flow fresh air machine of any one of claims 1 to 6, further comprising:

A detection unit provided on an outer wall surface of the front panel, the detection unit being configured to detect indoor air quality information;

And the control part is electrically connected with the detection part and the fan, acquires the air quality information and adjusts the rotating speed of the fan according to the air quality information.

9. An air duct machine, comprising:

The indoor unit shell comprises a third side plate and a fourth side plate which are oppositely arranged, and the fourth side plate and the third side plate have the same structure; and, a step of, in the first embodiment,

The unidirectional flow fresh air machine of any one of claims 1 to 8, the fresh air housing further comprising a second side plate that is identical in structure to the first side plate and is disposed opposite the first side plate, the first side plate being identical in structure to the third side plate, wherein the fresh air housing is removably connected to the indoor unit housing.

10. The ducted air conditioner of claim 9, further comprising:

the first hanging leg is arranged at the bottom end of the first side plate;

the second hanging leg is arranged at the bottom end of the second side plate;

the third hanging leg is arranged at the bottom end of the third side plate;

The fourth hanging leg is arranged at the bottom end of the fourth side plate;

Under the condition that the first side plate is close to the fourth side plate, the first hanging leg and the fourth hanging leg are detachably connected; or under the condition that the second side plate is close to the third side plate, the second hanging leg and the third hanging leg are detachably connected.