CN116642220A

CN116642220A - air conditioner

Info

Publication number: CN116642220A
Application number: CN202310553052.0A
Authority: CN
Inventors: 胡海涛; 张滔; 宗攀; 毛先友; 丁鹏垒; 王海红
Original assignee: GD Midea Air Conditioning Equipment Co Ltd; Midea Group Wuhan Refrigeration Equipment Co Ltd
Current assignee: GD Midea Air Conditioning Equipment Co Ltd; Midea Group Wuhan Refrigeration Equipment Co Ltd
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-08-25

Abstract

The invention discloses an air conditioner, which comprises a shell, a heat exchanger, a first fan assembly, a second fan assembly and a fresh air module, wherein the heat exchanger, the first fan assembly, the second fan assembly and the fresh air module are arranged in the shell; the first fan assembly is provided with a first air inlet and a first air outlet, the first air inlet is communicated with the main air inlet, and the first air outlet is communicated with the main air outlet; the second fan assembly is provided with a second air inlet, a third air inlet and a second air outlet, the second air inlet is communicated with the main air inlet, and the second air outlet is communicated with the main air outlet; the casing still is equipped with the new trend air intake, the new trend module has new trend chamber, and intercommunication the air inlet end and the air-out end in new trend chamber, the air inlet end intercommunication the new trend air intake, the air-out end intercommunication the third air intake. According to the technical scheme, the air supply function of the air conditioner is increased, and the use comfort of the air conditioner is improved.

Description

Air conditioner

Technical Field

The invention relates to the technical field of air conditioners, in particular to an air conditioner.

Background

In the prior art, the refrigerating or heating air in the air conditioner is usually supplied by a single air duct. The air supply effect is limited, the air outlet volume and the no-wind feeling of the air outlet are difficult to be fully and finely adjusted in the height direction, and the comfort is not fully optimized. And a single air duct can only be used for independently conveying cold air or hot air or independently conveying fresh air. It is difficult to meet the needs of various air blowing functions.

Disclosure of Invention

The invention mainly aims to provide an air conditioner, which aims to increase the air supply function of the air conditioner and improve the use comfort of the air conditioner.

In order to achieve the above object, an air conditioner according to the present invention includes:

the shell is provided with a main air inlet and a main air outlet;

the heat exchanger is arranged in the shell;

the first fan assembly is arranged in the shell and is provided with a first air inlet and a first air outlet, the first air inlet is communicated with the main air inlet, and the first air outlet is communicated with the main air outlet;

the second fan assembly is arranged in the shell and is provided with a second air inlet, a third air inlet and a second air outlet, the second air inlet is communicated with the main air inlet, and the second air outlet is communicated with the main air outlet; and

the fresh air module is arranged in the shell, the shell is further provided with a fresh air inlet, the fresh air module is provided with a fresh air cavity and an air inlet end and an air outlet end which are communicated with the fresh air cavity, the air inlet end is communicated with the fresh air inlet, and the air outlet end is communicated with the third air inlet.

Optionally, the air conditioner has a single heat exchange mode, in which the heat exchanger works and the air inlet end is closed;

external air enters the shell through the main air inlet, heat exchange is carried out by the heat exchanger to form heat exchange air, first part of heat exchange air enters the first fan assembly through the first air inlet, the first air outlet is used for discharging, second part of heat exchange air enters the second fan assembly through the second air inlet, the second air outlet is used for discharging, and then the first part of heat exchange air is mixed with the second part of heat exchange air, and the first part of heat exchange air and the second part of heat exchange air are jointly discharged out of the shell through the main air outlet.

Optionally, the air conditioner is further provided with a single fresh air mode, in which the heat exchanger stops working and the air inlet end is opened;

the first part of external air enters the second air inlet through the main air inlet and enters the second fan assembly, meanwhile, the second part of external air enters the air inlet end through the fresh air inlet and enters the fresh air cavity to be purified to form fresh air, the fresh air flows out of the air outlet end and enters the second fan assembly through the third air inlet, is mixed with the first part of external air in the second fan assembly, sequentially passes through the second air outlet and the main air outlet, and is discharged out of the shell.

Optionally, the air conditioner further has a hybrid mode, in which the heat exchanger works and the air inlet end is opened;

a first part of external air enters the shell through the main air inlet, heat exchange is performed by the heat exchanger to form heat exchange air, the first part of heat exchange air enters the first fan assembly through the first air inlet, the first part of heat exchange air is discharged through the first air outlet, and a second part of heat exchange air enters the second fan assembly through the second air inlet;

simultaneously, second part outside air is through fresh air intake entering the air inlet end, and gets into fresh air chamber purifies and forms the new trend, the new trend flows out the air-out end, and by the third air intake gets into second fan subassembly, in second fan subassembly with the mixture of second part change hot air forms the mixed wind, and by the discharge of second air outlet, and afterwards the mixed wind mixes again with first part change hot air, and jointly by main air outlet discharge the casing.

Optionally, the second fan assembly includes first spiral case and locates centrifugal fan in the first spiral case, the second air intake the third air intake with the second air outlet is all located on the first spiral case, the new trend module includes the casing, the new trend chamber form in the casing, the casing has to the extension that the third air intake extends, the air-out end form in the extension, just the air-out end butt in the outer periphery of third air intake.

Optionally, the centrifugal fan comprises a wind wheel motor and a centrifugal wind wheel, the wind wheel motor drives the centrifugal wind wheel to rotate, the second fan assembly is located above the shell, and the wind wheel motor is fixedly installed on the extension portion.

Optionally, the centrifugal fan is configured as a double-suction centrifugal fan, and the second air inlet and the third air inlet are respectively arranged at two opposite axial sides of the double-suction centrifugal fan.

Optionally, the casing includes first shell portion, second shell portion and third shell portion of concatenation in proper order, extension form in first shell portion, the air inlet end is located the third shell portion, just new trend module still includes filter assembly, filter assembly by between the second shell portion with the third shell portion inserts the new trend chamber, in order to filter and flow through the gas in new trend chamber.

Optionally, the first fan assembly includes a second volute and a through-flow fan disposed in the second volute, and the first air inlet and the first air outlet are both disposed on the second volute.

Optionally, the cross-flow fan is installed vertically, and the first fan assembly is located above the second fan assembly.

Optionally, the air inlet end is provided with a switch assembly, the switch assembly comprises an air door and a driving motor, and the driving motor is used for driving the air door to move so as to control the opening or closing of the air inlet end.

Optionally, the heat exchanger is disposed on the main air inlet side and covers at least the first air inlet and the second air inlet.

According to the technical scheme, a heat exchanger, a first fan assembly, a second fan assembly and a fresh air module are arranged in a shell, and a main air inlet and a main air outlet are formed in the shell; the first fan assembly is provided with a first air inlet and a first air outlet, the first air inlet is communicated with the main air inlet, and the first air outlet is communicated with the main air outlet; namely, the first fan component is mainly used for conveying heat exchange air after heat exchange of the heat exchanger and is mainly used for adjusting related air supply functions of the air conditioner in a single heat exchange mode. The second fan assembly is provided with a second air inlet, a third air inlet and a second air outlet, the second air inlet is communicated with the main air inlet, and the second air outlet is communicated with the main air outlet; the casing still is equipped with the new trend air intake, and the new trend module has new trend chamber, and the air inlet end and the air-out end in intercommunication new trend chamber, and the air inlet end intercommunication new trend air intake, air-out end intercommunication third air intake. The fresh air module can carry out purification treatment on the outside air which enters the shell from the fresh air inlet, so that fresh air is formed, and the air outlet end of the fresh air cavity enters the second fan assembly, namely, the second fan assembly can be used for conveying heat exchange air after heat exchange of the heat exchanger, is used for adjusting related air supply functions of an air conditioner in a single heat exchange mode, can be used for conveying fresh air generated by the fresh air module, and therefore, the adjustment of related air supply functions in the single fresh air mode is realized. And only one second fan assembly is adopted, so that the simultaneous transportation of the heat exchange air and the fresh air can be realized, one fan assembly is saved, the manufacturing cost of the air conditioner is reduced, and meanwhile, the whole volume of the air conditioner is reduced, and the occupied space of the air conditioner is reduced. And in this scheme, through setting up first fan subassembly, second fan subassembly and new trend module, set up a plurality of fan subassemblies to form a plurality of wind channels, conveniently set up multiple air supply function, make the air-out amount of wind and the no wind sense of main air outlet obtain abundant fine adjustment in the direction of height, improve user's travelling comfort. And the fan assembly, the main air inlet and the main air outlet of the air conditioner can select different mounting positions according to different operation modes, so that the air outlet requirements of different modes are met, better refrigerating or heating effect is obtained, and the applicability of the air conditioner is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an air conditioner according to an embodiment of the present invention;

FIG. 2 is an exploded view of the air conditioner of FIG. 1;

FIG. 3 is a side cross-sectional view of the air conditioner of FIG. 1 in a single heat exchange mode;

FIG. 4 is a side cross-sectional view of the air conditioner of FIG. 1 in a single fresh air mode;

FIG. 5 is a side cross-sectional view of the air conditioner of FIG. 1 in a hybrid mode;

FIG. 6 is an angular assembly view of the first fan assembly, the second fan assembly, and the fresh air module of FIG. 1;

FIG. 7 is another angular assembly view of the first fan assembly, the second fan assembly, and the fresh air module of FIG. 1;

FIG. 8 is an exploded view of the first fan assembly, the second fan assembly, and the fresh air module of FIG. 1;

FIG. 9 is a partial cross-sectional view of an angle of the air conditioner of FIG. 1;

FIG. 10 is a schematic view of a centrifugal rotor in the air conditioner of FIG. 1;

FIG. 11 is another angular partial cross-sectional view of the air conditioner of FIG. 1;

FIG. 12 is a schematic view of a fresh air module in the air conditioner of FIG. 1;

FIG. 13 is an exploded view of a fresh air module in the air conditioner of FIG. 1;

fig. 14 is a cross-sectional view of a fresh air module in the air conditioner of fig. 1.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.

The present invention proposes an air conditioner 100.

In the embodiment of the present invention, as shown in fig. 1 to 8, the air conditioner 100 includes a casing 110, and a heat exchanger 120, a first fan assembly 130, a second fan assembly 140 and a fresh air module 150 disposed in the casing 110, where a main air inlet 111 and a main air outlet 112 are formed on the casing 110; the first fan assembly 130 is provided with a first air inlet 131 and a first air outlet 132, the first air inlet 131 is communicated with the main air inlet 111, and the first air outlet 132 is communicated with the main air outlet 112; the second fan assembly 140 is provided with a second air inlet 141, a third air inlet 142 and a second air outlet 143, the second air inlet 141 is communicated with the main air inlet 111, and the second air outlet 143 is communicated with the main air outlet 112; the casing 110 is further provided with a fresh air inlet 113, the fresh air module 150 has a fresh air cavity 151, an air inlet end 152 and an air outlet end 153, the air inlet end 152 is communicated with the fresh air inlet 113, and the air outlet end 153 is communicated with the third air inlet 142.

Specifically, the air conditioner 100 is generally used as a floor type air conditioner 100, and of course, may be used as a wall-mounted air conditioner 100 or an air conditioner. In the prior art, the air conditioner 100 generally supplies air through a single air duct, and a main air inlet 111 and a main air outlet 112 are generally provided on the corresponding casing 110, and in order to ensure the cooling or heating effect, the areas of the main air inlet 111 and the main air outlet 112 are limited. And under the refrigeration working condition, the cold air can flow downwards, and under the heating working condition, the hot air can flow upwards. However, the air conditioner 100 in the related art has the same air outlet position in the cooling mode and the heating mode, and can only adapt to a single heat exchange mode, which is poor in universality. For example, when the main air outlet 112 is disposed above the air conditioner 100, the heating effect cannot be provided in the heating mode, and when the main air outlet 112 is disposed below the air conditioner 100, the air supply distance is relatively short in the cooling mode, so that the indoor temperature cannot be quickly and uniformly exchanged. In this scheme, through setting up first fan subassembly 130, second fan subassembly 140 and new trend module 150, set up a plurality of fan subassemblies to form a plurality of wind channels, conveniently set up multiple air supply function, make the air-out amount of wind and the no sense of wind of main air outlet 112 obtain abundant fine adjustment in the direction of height, improve user's travelling comfort. And the fan assembly, the main air inlet 111 and the main air outlet 112 of the air conditioner 100 can select different installation positions according to different operation modes, so as to meet the air outlet requirements of different modes, obtain better refrigeration or heating effects and improve the applicability of the air conditioner 100.

In this embodiment, the casing 110 generally includes a front panel 114, a back panel 115 and a base 116 that are mutually spliced, and the front panel 114 and the back panel 115 are mutually spliced to form the top and the side of the air conditioner 100. The main air inlet 111 is formed on the front panel 114, the main air outlet 112 is formed on the back panel 115, and in this embodiment, the housing 110 has a plurality of air channels, and the main air inlet 111 uses large-area air inlet, so as to further improve the heat exchange effect of the air conditioner 100, and the heat exchanger 120 is disposed on the side of the main air inlet 111 and at least covers the first air inlet 131 and the second air inlet 141. Thereby increasing the heat exchange area of the heat exchanger 120 and further improving the heat exchange effect of the air conditioner 100. If the main air outlet 112 of the air conditioner 100 adopts large-area air intake, preferably, the heat exchanger 120 is disposed at the main air outlet 112 side and covers at least the first air outlet 132 and the second air outlet 143. That is, in order to secure the heat exchange effect, the coverage area of the heat exchanger 120 should be as large as possible. In other embodiments, the main air inlet 111 and the main air outlet 112 may be disposed on the back plate 115 or the front plate 114, or a plurality of main air inlets 111 may be disposed on the front plate 114 and/or the back plate 115, and a plurality of main air outlets 112 may be disposed on the back plate 115 and/or the front plate 114, i.e. the disposed areas and positions of the main air inlets 111 and the main air outlets 112 are not limited, and may be selected according to the actual operation mode.

The first fan assembly 130 is provided with a first air inlet 131 and a first air outlet 132, the first air inlet 131 is communicated with the main air inlet 111, and the first air outlet 132 is communicated with the main air outlet 112; that is, the first fan assembly 130 is mainly used for conveying the heat exchange air after the heat exchange of the heat exchanger 120, and is mainly used for adjusting the related air supply function of the air conditioner 100 in the single heat exchange mode operation. The second fan assembly 140 is provided with a second air inlet 141, a third air inlet 142 and a second air outlet 143, the second air inlet 141 is communicated with the main air inlet 111, and the second air outlet 143 is communicated with the main air outlet 112; the casing 110 is further provided with a fresh air inlet 113, the fresh air module 150 is provided with a fresh air cavity 151, an air inlet end 152 and an air outlet end 153, wherein the air inlet end 152 is communicated with the fresh air inlet 113, and the air outlet end 153 is communicated with the third air inlet 142; the fresh air module 150 can perform purification treatment on external air entering the casing 110 from the fresh air inlet 113, thereby forming fresh air, and the fresh air enters the second fan assembly 140 from the air outlet 153 of the fresh air cavity 151, that is, the second fan assembly 140 can be used for conveying heat exchange air after heat exchange of the heat exchanger 120, for adjusting related air supply functions of the air conditioner 100 in a single heat exchange mode, and can be used for conveying fresh air generated by the fresh air module 150, thereby adjusting related air supply functions of the air conditioner in the single fresh air mode. And only one second fan assembly 140 is adopted, so that the simultaneous transportation of the heat exchange air and the fresh air can be realized, one fan assembly is saved, the manufacturing cost of the air conditioner 100 is reduced, and meanwhile, the whole volume of the air conditioner 100 is reduced, and the occupied space of the air conditioner 100 is reduced.

The first air inlet 131 and the second air inlet 141 adopt a normally open mode, and the corresponding first air outlet 132 and second air outlet 143 are also in the normally open mode, so the first fan assembly 130 and the second fan assembly 140 can always convey heat exchange air or external air, thereby assisting in adjusting the single fresh air mode. Thus, the single heat exchange mode is turned on or off depending on whether the heat exchanger 120 is operating properly. And the third air inlet 142 can be controlled to be opened or closed by a user and/or a control system, so that the opening of the single fresh air mode is controlled.

Referring to fig. 1 to 3, in an embodiment, the air conditioner 100 has a single heat exchange mode in which the heat exchanger 120 operates and the air inlet 152 is closed;

external air enters the shell 110 through the main air inlet 111 and forms heat exchange air after heat exchange by the heat exchanger 120, a first part of heat exchange air enters the first fan assembly 130 through the first air inlet 131 and is discharged through the first air outlet 132, a second part of heat exchange air enters the second fan assembly 140 through the second air inlet 141 and is discharged through the second air outlet 143, and then the first part of heat exchange air is mixed with the second part of heat exchange air and is jointly discharged out of the shell 110 through the main air outlet 112. Specifically, the following description will be made with the heat exchanger 120 disposed on the main air inlet 111 side, and in the single heat exchange mode, the heat exchanger 120 starts to operate, and the air inlet 152 of the fresh air module 150 is closed, i.e. the fresh air module 150 stops operating. External air enters the shell 110 from the main air inlet 111, passes through the surface of the heat exchanger 120, is cooled or warmed by the heat exchanger 120 to form heat exchange air, then the heat exchange air enters the first air inlet 131 and the second air inlet 141 respectively, and for convenience of explanation, the heat exchange air is divided into two parts, namely a first part of heat exchange air and a second part of heat exchange air, and the first part of heat exchange air enters the first fan assembly 130 from the first air inlet 131 and is discharged from the first air outlet 132 under the conveying action of the first fan assembly 130; the second part of heat exchange air enters the second fan assembly 140 from the second air inlet 141 and is discharged from the second air outlet 143 under the conveying action of the second fan assembly 140; meanwhile, the first portion of the heat exchanging air and the second portion of the heat exchanging air are recombined and discharged out of the casing 110 together through the main air outlet 112. And the air supply modes of the first fan assembly 130 and the second fan assembly 140 can be set respectively, so as to realize multiple air supply modes, and further, the air output and the no-air feeling of the main air outlet 112 in the single heat exchange mode are sufficiently and finely adjusted, so as to meet the air output requirements of different modes, obtain better refrigeration or heating effects, and improve the applicability of the air conditioner 100.

Referring to fig. 1, 2 and 4, in another embodiment, the air conditioner 100 further has a single fresh air mode, in which the heat exchanger 120 stops working and the air inlet 152 is opened;

the first part of external air enters the second air inlet 141 through the main air inlet 111 and enters the second fan assembly 140, meanwhile, the second part of external air enters the air inlet end 152 through the fresh air inlet 113 and enters the fresh air cavity 151 for purification to form fresh air, the fresh air flows out of the air outlet end 153 and enters the second fan assembly 140 through the third air inlet 142, is mixed with the first part of external air in the second fan assembly 140, and then sequentially passes through the second air outlet 143 and the main air outlet 112 and is discharged out of the casing 110. Specifically, in the single fresh air mode, the heat exchanger 120 stops working, and the air inlet 152 of the fresh air module 150 is opened, i.e. the fresh air module 150 starts working. Since the second air inlet 141 is in the normally open mode, when the second fan assembly 140 is turned on, a part of external air still enters the second fan assembly 140 from the main air inlet 111. At the same time, the external air enters the fresh air module 150 to be purified, and then is mixed with the external air in the second fan assembly 140, and is blown out from the main air outlet 112 together. And the second fan assembly 140 has multiple air supply modes, so that the air output and the no-air feeling of the main air outlet 112 in the single fresh air mode are sufficiently and finely adjusted to meet the air output requirements of different modes, obtain better air output effect and improve the applicability of the air conditioner 100. In the single fresh air mode, the specific flow path of the external air in the air conditioner 100 is as follows:

the temporary external air is divided into two parts, for convenience of explanation, the first part of external air and the second part of external air are arranged, the first part of external air enters the second air inlet 141 through the main air inlet 111 and enters the second fan assembly 140, meanwhile, the second part of external air enters the air inlet end 152 through the fresh air inlet 113 and enters the fresh air cavity 151 to be purified to form fresh air, the fresh air flows out of the air outlet end 153 and enters the second fan assembly 140 through the third air inlet 142, and is mixed with the first part of external air in the second fan assembly 140, and then passes through the second air outlet 143 and the main air outlet 112 sequentially under the conveying action of the second fan assembly 140, and then is discharged out of the casing 110, so that the air conveying in the single fresh air mode is completed.

Referring to fig. 1, 2 and 5, in yet another embodiment, the air conditioner 100 further has a hybrid mode in which the heat exchanger 120 operates and the air inlet 152 is opened;

the first part of external air enters the shell 110 through the main air inlet 111, heat exchange is carried out by the heat exchanger 120 to form heat exchange air, the first part of heat exchange air enters the first fan assembly 130 through the first air inlet 131, the first air outlet 132 discharges the first part of heat exchange air, and the second part of heat exchange air enters the second fan assembly 140 through the second air inlet 141;

meanwhile, the second part of external air enters the air inlet end 152 through the fresh air inlet 113, enters the fresh air cavity 151 to be purified to form fresh air, flows out of the air outlet end 153, enters the second fan assembly 140 through the third air inlet 142, is mixed with the second part of heat exchange air in the second fan assembly 140 to form mixed air, is discharged through the second air outlet 143, and is mixed with the first part of heat exchange air again and is discharged out of the casing 110 through the main air outlet 112.

Specifically, the heat exchanger 120 is disposed on the main air inlet 111 side, and in the mixed mode, the heat exchanger 120 starts to operate, and the air inlet 152 of the fresh air module 150 is opened, i.e. the fresh air module 150 operates. The temporary external air is divided into two parts, and for convenience of explanation, the first part of external air and the second part of external air are provided, the flow path of the first part of air is the same as the flow path of the external air in the single heat exchange mode, the flow path of the second part of external air is the same as the flow path of the external air in the fresh air module 150 in the single fresh air mode, and the external air and the flow path of the external air are mixed for the first time through the second fan assembly 140, mixed for the second time through the main air outlet 112, and discharged through the main air outlet 112 together. And the air supply modes of the first fan assembly 130 and the second fan assembly 140 can be set respectively, so as to realize multiple air supply modes, and further, the air outlet volume and the no-air feeling of the main air outlet 112 in the mixed mode are sufficiently and finely adjusted, so as to meet the air outlet requirements of different modes, obtain better air outlet effect and improve the applicability of the air conditioner 100. In the hybrid mode, the specific flow path of the outside air in the air conditioner 100 is as follows:

the first part of external air enters the casing 110 from the main air inlet 111, passes through the surface of the heat exchanger 120, is cooled or warmed by the heat exchanger 120 to form heat exchange air, and then enters the first air inlet 131 and the second air inlet 141 respectively, so as to separate the heat exchange air into two parts, namely a first part of heat exchange air and a second part of heat exchange air, wherein the first part of heat exchange air enters the first fan assembly 130 from the first air inlet 131, and the second part of heat exchange air enters the second fan assembly 140 from the second air inlet 141 for convenience of description. Meanwhile, the first portion of the heat exchanging air and the second portion of the heat exchanging air are recombined and discharged out of the casing 110 together through the main air outlet 112. Meanwhile, the second part of external air enters the air inlet end 152 through the fresh air inlet 113, enters the fresh air cavity 151 to be purified to form fresh air, flows out of the air outlet end 153, enters the second fan assembly 140 through the third air inlet 142, is mixed with the second part of external air in the second fan assembly 140 to form mixed air, is jointly discharged through the second air outlet 143 under the conveying action of the second fan assembly 140, is mixed with the first part of heat exchange air again, and is jointly discharged out of the casing 110 through the main air outlet 112.

Referring to fig. 6 to 8, an air outlet frame 117 is formed on the inner side of the main air outlet 112, and the first air outlet 132 and the second air outlet 143 are fixedly connected and communicated with the air outlet frame 117, so that the air flows through the first air outlet 132 and the second air outlet 143 can flow out of the main air outlet 112 through the air outlet frame 117, and are discharged out of the casing 110. And an air inlet grille 118 is arranged on the main air inlet 111; and/or, the air outlet grille 119 is arranged at the main air outlet 112, so that the air flowing through the main air inlet 111 or the main air outlet 112 is primarily filtered, and the possibility that impurities enter the air conditioner 100 is reduced.

According to the technical scheme, a heat exchanger 120, a first fan assembly 130, a second fan assembly 140 and a fresh air module 150 are arranged in a shell 110, and a main air inlet 111 and a main air outlet 112 are formed in the shell 110; the first fan assembly 130 is provided with a first air inlet 131 and a first air outlet 132, the first air inlet 131 is communicated with the main air inlet 111, and the first air outlet 132 is communicated with the main air outlet 112; that is, the first fan assembly 130 is mainly used for conveying the heat exchange air after the heat exchange of the heat exchanger 120, and is mainly used for adjusting the related air supply function of the air conditioner 100 in the single heat exchange mode operation. The second fan assembly 140 is provided with a second air inlet 141, a third air inlet 142 and a second air outlet 143, the second air inlet 141 is communicated with the main air inlet 111, and the second air outlet 143 is communicated with the main air outlet 112; the casing 110 is further provided with a fresh air inlet 113, the fresh air module 150 has a fresh air cavity 151, an air inlet end 152 and an air outlet end 153, the air inlet end 152 is communicated with the fresh air inlet 113, and the air outlet end 153 is communicated with the third air inlet 142. The fresh air module 150 can perform purification treatment on the external air entering the casing 110 from the fresh air inlet 113, thereby forming fresh air, and the fresh air enters the second fan assembly 140 from the air outlet 153 of the fresh air cavity 151, that is, the second fan assembly 140 can be used for conveying heat exchange air after heat exchange of the heat exchanger 120, for adjusting related air supply functions of the air conditioner 100 in a single heat exchange mode, and can be used for conveying fresh air generated by the fresh air module 150, thereby adjusting related air supply functions of the air conditioner in the single fresh air mode. And only one second fan assembly 140 is adopted, so that the simultaneous transportation of the heat exchange air and the fresh air can be realized, one fan assembly is saved, the manufacturing cost of the air conditioner 100 is reduced, and meanwhile, the whole volume of the air conditioner 100 is reduced, and the occupied space of the air conditioner 100 is reduced. In this scheme, through setting up first fan subassembly 130, second fan subassembly 140 and new trend module 150, set up a plurality of fan subassemblies to form a plurality of wind channels, conveniently set up multiple air supply function, make the air-out amount of wind and the no sense of wind of main air outlet 112 obtain abundant fine adjustment in the direction of height, improve user's travelling comfort. And the fan assembly, the main air inlet 111 and the main air outlet 112 of the air conditioner 100 can select different installation positions according to different operation modes, so as to meet the air outlet requirements of different modes, obtain better refrigeration or heating effects and improve the applicability of the air conditioner 100.

In an embodiment, referring to fig. 6 to 9, the second fan assembly 140 includes a first volute 144 and a centrifugal fan 145 disposed in the first volute 144, the second air inlet 141, the third air inlet 142 and the second air outlet 143 are all disposed on the first volute 144, the fresh air module 150 includes a housing 154, the fresh air cavity 151 is formed in the housing 154, the housing 154 has an extension 155 extending toward the third air inlet 142, the air outlet 153 is formed at the extension 155, and the air outlet 153 is abutted to the outer periphery of the third air inlet 142. Specifically, the second fan assembly 140 is configured as a centrifugal fan 145 assembly, and the first volute 144 is provided with a second air inlet 141, a third air inlet 142 and a second air outlet 143, and the centrifugal fan 145 is disposed in the first volute 144 and is used for delivering the gas flowing through the first volute 144. The fresh air module 150 has a casing 154, a fresh air cavity 151 is formed in the casing 154, an air inlet end 152 is disposed in the casing 154, the casing 154 has an extension portion 155 extending toward the third air inlet 142, an air outlet end 153 is formed in the extension portion 155, and the air outlet end 153 abuts against the outer periphery of the third air inlet 142, so that the air outlet end 153 is in communication with the second air inlet 141. And in order to further ensure the connection stability of the extension portion 155 and the first volute 144, the inner edge of the air outlet end 153 and the outer edge of the third air inlet 142 are at least partially overlapped, and the periphery of the air outlet end 153 and the periphery of the third air inlet 142 are fastened and connected by fasteners, so that the air outlet end 153 and the third air inlet 142 are further ensured to be completely conducted, and the possibility of leakage of air flow is reduced.

Further, referring to fig. 9 and 10, the centrifugal fan 145 includes a rotor motor 146 and a centrifugal rotor 147, the rotor motor 146 drives the centrifugal rotor 147 to rotate, the second fan assembly 140 is located above the housing 154, and the rotor motor 146 is fixedly mounted to the extension 155. Specifically, the second fan assembly 140 is located above the housing 154, that is, the centrifugal fan 145 is disposed above the housing 154, and compared with the centrifugal fan 145 disposed at one side of the housing 154, the installation thickness of the second fan assembly 140 and the fresh air module 150 is reduced, thereby reducing the thickness of the air conditioner 100 and further reducing the floor space of the air conditioner 100. And because the second fan assembly 140 is located above the housing 154, the corresponding third air inlet 142 is also located above the housing 154, and the corresponding extension 155 extends upward, so as to be convenient for communicating with the third air inlet 142. And wind wheel motor 146 is fixedly installed in extension 155, is equipped with a plurality of installation sites on this extension 155, and the fastener passes this installation site fastening connection and is connected in wind wheel motor 146, and centrifugal fan 145 installs on wind wheel motor 146 to make this centrifugal fan 145 can rotate and install in first spiral case 144.

Further, the centrifugal fan 145 is configured as a double suction centrifugal fan 145a, and the second air inlet 141 and the third air inlet 142 are disposed on two opposite sides of the double suction centrifugal fan 145a in the axial direction. Specifically, the second air inlet 141 and the third air inlet 142 are respectively disposed on two opposite axial sides of the double-suction centrifugal fan 145a, so that on one hand, the third air inlet 142 is conveniently communicated with the fresh air module 150, the second air inlet 141 is communicated with the main air inlet 111, and on the other hand, the air inlet area of the second air inlet 141 and the air inlet area of the third air inlet 142 are increased, thereby increasing the air supply efficiency of the second fan assembly 140 and improving the air inlet effect of the air conditioner 100. And because the second fan assembly 140 adopts double-sided air intake, in order to avoid that the air sucked by two ends of the centrifugal wind wheel 147 is heduled in the centrifugal wind wheel 147, and simultaneously, the air sucked by the second air inlet 141 into the first volute 144 and the air sucked by the third air inlet 142 into the first volute 144 are prevented from being mutually influenced, the centrifugal wind wheel 145 is configured as a double-suction centrifugal wind wheel 145a, that is, the centrifugal wind wheel 147 is configured as a double-suction centrifugal wind wheel, the double-suction centrifugal wind wheel is provided with two centrifugal wind wheels 147, a baffle 145b, a shaft sleeve 145c and the like which are mutually connected, the shaft sleeve 145c is arranged at the shaft center of the centrifugal wind wheel 147, the shaft sleeve 145c is provided with a motor shaft hole which is used for being arranged with the wind wheel motor 146, and the baffle 145b is arranged between the two centrifugal wind wheels 147 so as to separate the air sucked by two ends of the double-suction centrifugal wind wheel 147, and the air sucked by two ends of the double-suction centrifugal wind wheel 147 is prevented from heduled in the double-suction centrifugal wind wheel 147.

In order to further facilitate the installation of the second fan assembly 140, the first volute 144 is formed by splicing the front volute 148 and the rear volute 149, the second air inlet 141 is formed in the rear volute 149, the third air inlet 142 is formed in the front volute 148, in the actual assembly process, the third air inlet 142 of the rear volute 149 can be assembled with the air outlet 153, the centrifugal fan 145 can be assembled with the extension 155, and then the front volute 148 and the rear volute 149 can be spliced, thereby completing the installation of the second fan assembly 140 and the fresh air module 150.

In an embodiment, referring to fig. 11 to 14, the housing 154 includes a first housing portion 154a, a second housing portion 154b and a third housing portion 154c that are sequentially spliced, the extension portion 155 is formed on the first housing portion 154a, the air inlet end 152 is disposed on the third housing portion 154c, and the fresh air module 150 further includes a filter assembly 156, wherein the filter assembly 156 is inserted into the fresh air chamber 151 between the second housing portion 154b and the third housing portion 154c to filter the air flowing through the fresh air chamber 151. Specifically, in order to facilitate assembly of the housing 154, the housing 154 includes a first housing portion 154a, a second housing portion 154b and a third housing portion 154c that are sequentially spliced, and the extension portion 155 is formed on the first housing portion 154a, i.e. the first housing portion 154a is spliced on a side close to the third air inlet 142 and extends upwards to be installed and fixed with the second fan assembly 140, the air inlet end 152 is disposed on the third housing portion 154c, i.e. the third housing portion 154c is disposed on a side close to the fresh air inlet 113, so that the third housing portion 154c is used for forming the air inlet end 152. The second casing portion 154b is spliced between the first casing portion 154a and the third casing portion 154c, and is used as a main forming space of the fresh air cavity 151, namely, is used as a main supporting portion of the casing 154, and two opposite sides of the second casing portion 154b are provided with protruding portions 154e for fixedly connecting with the casing 110. And fresh air module 150 still includes filter assembly 156, and this filter assembly 156 includes filter bracket 156a and installs filter screen 156b on filter bracket 156a, and the side of second shell portion 154b and the concatenation department of third shell portion 154c is formed with the pull mouth 154d that supplies filter assembly 156 to change, is also provided with through-hole 110a on the corresponding casing 110 and supplies filter assembly 156 to penetrate for filter assembly 156 inserts fresh air chamber 151 through-hole 110a and pull mouth 154d in proper order, thereby filters the outside air that flows through fresh air chamber 151.

The first shell portion 154a is spliced to the second shell portion 154b and fastened to the periphery of the splice by a fastener, and the protrusion 154e is fastened to the casing 110, thereby completing the splice fixation of the casing 154.

In one embodiment, the air inlet 152 is provided with a switch assembly 157, the switch assembly 157 includes a damper 157a and a driving motor 157b, and the driving motor 157b is used for driving the damper 157a to move so as to control the opening or closing of the air inlet 152. Specifically, the air inlet 152 is provided with a switch assembly 157, and the switch assembly 157 is used for controlling the opening or closing of the air inlet 152, and further controlling whether the fresh air module 150 works. The switch assembly 157 includes a damper 157a and a driving motor 157b, the air inlet end 152 is provided with a door opening and closing shaft, the damper 157a is mounted on the air inlet end 152 through the door opening and closing shaft, so that the damper 157a is rotatably mounted on the air inlet end 152, and the driving motor 157b is used for driving the damper 157a to rotate, thereby controlling the opening or closing of the air inlet end 152.

When the fresh air module 150 is assembled, the door opening and closing rotating shaft is inserted into the air inlet end 152 of the third shell 154c, the air door 157a and the driving motor 157b are assembled at the opposite ends of the door opening and closing rotating shaft, and the motor is fixed to the air inlet end 152 through the fastening piece. The air inlet end 152 of the third shell portion 154c is aligned with the fresh air inlet 113 and then is correspondingly installed and fixed, then the third shell portion 154c and the second shell portion 154b are assembled and spliced and fixed through fasteners, and the third shell portion 154c and the second shell portion 154b are surrounded to form a drawing port 154d. The first and second housing portions 154a, 154b are then assembled and spliced and secured by fasteners, and finally the filter assembly 156 is inserted into the air intake cavity.

Referring to fig. 6 to 8, in order to further reduce the floor space of the air conditioner 100, in an embodiment, the first fan assembly 130 includes a second volute 133 and a through-flow fan 134 disposed in the second volute 133, and the first air inlet 131 and the first air outlet 132 are disposed on the second volute 133. Specifically, the first fan assembly 130 adopts the cross-flow fan 134, so that the air quantity is larger, and the air speed is smoother. The first air inlet 131 and the first air outlet 132 are both arranged on the second volute 133, the first air outlet 132 is arranged on the air outlet frame 117 and is communicated with the main air outlet 112 through the air outlet frame 117, so that the outer side surfaces of the air outlet frame 117 and the second volute 133 are encircled to form an outer air duct, the first air outlet 132 is arranged towards the outer air duct, the first fan assembly 130 is arranged above the second fan assembly 140, the second air outlet 143 is arranged above the second volute 133 and is communicated with the bottom of the outer air duct, the first air outlet 132 and the second air outlet 143 are both communicated with the main air outlet 112, and the air flow of the first fan assembly 130 and the air flow of the second fan assembly 140 are mixed in the outer air duct, so that the air outlet uniformity of the air conditioner 100 is improved.

Further, the cross flow fan 134 is installed vertically. Because the diameter of the cross-flow fan 134 is far smaller than the height of the cross-flow fan 134, the cross-flow fan 134 is vertically installed, and the overall width or thickness of the air conditioner 100 can be further reduced, so that the occupied area of the air conditioner 100 is further reduced, and the arrangement of the air conditioner 100 is facilitated.

The foregoing description of the preferred embodiments of the present invention should not be construed as limiting the scope of the invention, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims

1. An air conditioner, comprising:

the shell is provided with a main air inlet and a main air outlet;

the heat exchanger is arranged in the shell;

2. The air conditioner as set forth in claim 1, wherein said air conditioner has a single heat exchange mode in which said heat exchanger is operated and said air intake end is closed;

3. The air conditioner as set forth in claim 1, further comprising a single fresh air mode in which said heat exchanger is deactivated and said air intake is opened;

4. The air conditioner of claim 1, further comprising a hybrid mode in which said heat exchanger is operated and said air intake is open;

5. The air conditioner of claim 1, wherein the second fan assembly comprises a first volute and a centrifugal fan arranged in the first volute, the second air inlet, the third air inlet and the second air outlet are all arranged on the first volute, the fresh air module comprises a shell, the fresh air cavity is formed in the shell, the shell is provided with an extension part extending towards the third air inlet, the air outlet end is formed in the extension part, and the air outlet end is abutted to the outer periphery of the third air inlet.

6. The air conditioner of claim 5, wherein the centrifugal fan comprises a wind wheel motor and a centrifugal wind wheel, the wind wheel motor drives the centrifugal wind wheel to rotate, the second fan assembly is located above the shell, and the wind wheel motor is fixedly mounted on the extension portion.

7. The air conditioner of claim 6, wherein the centrifugal fan is configured as a double suction centrifugal fan, and the second air inlet and the third air inlet are provided on opposite sides of the double suction centrifugal fan in an axial direction.

8. The air conditioner of claim 5, wherein the housing comprises a first housing portion, a second housing portion and a third housing portion which are sequentially spliced, the extension portion is formed on the first housing portion, the air inlet end is arranged on the third housing portion, and the fresh air module further comprises a filter assembly, wherein the filter assembly is inserted into the fresh air cavity between the second housing portion and the third housing portion to filter air flowing through the fresh air cavity.

9. The air conditioner of claim 1, wherein the first fan assembly comprises a second volute and a cross-flow fan disposed within the second volute, and the first air inlet and the first air outlet are both disposed on the second volute.

10. The air conditioner of claim 9, wherein the cross flow fan is installed in a vertical type, and the first fan assembly is located above the second fan assembly.

11. The air conditioner of claim 1, wherein the air inlet end is provided with a switch assembly, the switch assembly comprises an air door and a driving motor, and the driving motor is used for driving the air door to move so as to control the opening or closing of the air inlet end.

12. The air conditioner as set forth in any one of claims 1 to 11, wherein said heat exchanger is provided on said main air intake side and covers at least said first air intake and said second air intake.