WO2023202213A1

WO2023202213A1 - Window-type air conditioner

Info

Publication number: WO2023202213A1
Application number: PCT/CN2023/077809
Authority: WO
Inventors: 刘利; 吕洪宇
Original assignee: 青岛海尔空调器有限总公司; 青岛海尔空调电子有限公司; 海尔智家股份有限公司
Priority date: 2022-04-20
Filing date: 2023-02-23
Publication date: 2023-10-26
Also published as: CN115493202A

Abstract

Disclosed in the present invention is a window-type air conditioner, comprising: an indoor unit located on an indoor side, an outdoor unit located on an outdoor side, and a saddle bridge structure connected to the indoor unit and the outdoor unit. An air duct framework is provided in an inner cavity of the indoor unit, the air duct framework comprises a main framework and a volute tongue assembly, the volute tongue assembly is arranged on the front side of the top of the main framework, an air outlet is formed between the volute tongue assembly and the main framework, and the main framework is arranged close to a rear back plate of the indoor unit. An indoor heat exchanger is arranged on the front side of the main framework and located below the volute tongue assembly, and a cross-flow fan is provided in an area enclosed by the indoor heat exchanger and the main framework. The air duct framework is of a detachable structure, production and mounting are facilitated, and the small-size indoor unit can be achieved easily.

Description

A window air conditioner

Technical field

The present invention relates to the technical field of air conditioners, and in particular to a window air conditioner.

Background technique

Most of the window air conditioners currently on the market are square in shape and are integrated air conditioners. They are composed of a chassis, a cover, a panel, an air duct, an indoor fan, an outdoor fan, a motor, a compressor, a condenser, an evaporator, etc. Its installation The height of the rear sunshade is approximately the total height of the window air conditioner, and customers cannot enjoy sufficient sunlight; since the outdoor part of the window air conditioner is integrated with the indoor part, the noise generated by the outdoor part will also be transmitted indoors, resulting in The noise is very loud, affecting the customer's comfort, and cannot be suitable for customers who are sensitive to noise.

In order to solve this problem, the saddle-type air conditioner came into being, which mainly includes an indoor unit and an outdoor unit. It separates the indoor unit from the outdoor unit and the indoor from the outdoor, effectively reducing indoor noise. The indoor unit and the outdoor unit are connected through a saddle bridge structure. The indoor unit mainly includes panels, covers, chassis, indoor heat exchangers, cross-flow fans, motors, air ducts, electronic control components and other components. The outdoor unit mainly includes components such as cover, chassis, compressor, outdoor heat exchanger, pipeline, motor, motor bracket, and axial fan.

For the indoor part, the air intake volume, heat exchange efficiency, and overall machine size need to be optimized and improved. The existing installation structures of heat exchangers, fans and other components in the indoor part are relatively complex, which is not conducive to production and installation, and is not conducive to indoor units. Small size implementation.

The above information disclosed in this Background Art is only for increasing understanding of the Background Art of this application and, therefore, it may contain prior art that does not constitute prior art known to a person of ordinary skill in the art.

technical problem

In view of the problems pointed out in the background art, the present invention proposes a window air conditioner. The air duct frame in the indoor unit is a detachable structure, which facilitates production and installation and facilitates the realization of a small size of the indoor unit.

Technical solutions

In order to achieve the above-mentioned object of the invention, the present invention adopts the following technical solutions to achieve it:

The invention provides a window air conditioner, which includes:

An indoor unit located on the indoor side, an outdoor unit located on the outdoor side, and a saddle bridge structure connecting the indoor unit and the outdoor unit;

An air duct frame is provided in the inner cavity of the indoor unit. The air duct frame includes a main frame and a volute tongue assembly. The volute tongue assembly is located on the top front side of the main frame and between the main frame and the main frame. An air outlet is formed, and the main frame is arranged close to the back panel of the indoor unit;

An indoor heat exchanger is provided on the front side of the main frame and below the volute tongue assembly, and a cross-flow fan is provided in the area surrounded by the indoor heat exchanger and the main frame.

In some embodiments of the present application, the main frame includes a vertical part and an arcuate part. The vertical part is provided at the lower part of the arcuate part. The arcuate part is connected to the surrounding area of the indoor heat exchanger. The cross-flow fan is provided in the area;

An air outlet is formed between the volute tongue assembly and the arcuate portion.

In some embodiments of the present application, the volute tongue assembly includes a volute tongue strip and a volute tongue strip bracket;

The volute tongue bracket includes a volute tongue bracket main body and connecting parts provided at both ends of the volute tongue bracket body. The connecting parts are connected to the main frame, and the volute tongue bracket is provided on the volute tongue bracket. The main body of the bracket faces the side of the main frame.

In some embodiments of the present application, the main body of the volute tongue support includes a base plate located on the top side and a first flip plate provided on the base plate, and the first flip plate extends downward from the base plate;

The volute tongue strip includes a volute tongue strip and two volute tongue strips of an integrated structure, which is in a V-shaped structure. The first volute tongue strip is connected to the base plate, and the two volute tongue strips are connected to the third One flap connection.

In some embodiments of the present application, the two parts of the volute tongue are provided with a first abutment plate and a second abutment plate on the side facing the volute tongue bracket, and the first abutment plate is along the The two parts of the volute tongue extend in the length direction, and the second abutment plates extend along the height direction of the two parts of the volute tongue. The second abutment plates are spaced apart along the length direction of the two parts of the volute tongue. There are multiple;

A plurality of limiting portions are spaced along the length direction of the first resisting plate on its side, and there is a gap between the limiting portion and the second resisting plate along the length of the first resisting plate. Limiting slots are defined in the direction;

The lower end of the first flap is inserted into the limiting groove and abuts against the first abutment plate, and the side surface of the first flap abuts against the second abutment plate.

In some embodiments of the present application, a second flip plate and a third flip plate are further provided on the base plate. The second flip plate and the third flip plate are respectively inclined downward from the base plate and away from the base plate. The direction of the main frame extends, and the third flip plate is located outside the second flip plate;

The bottom end position of the third flip plate is lower than the bottom end position of the second flip plate;

The top of the indoor heat exchanger is close to the second flap and located inside the third flap.

In some embodiments of the present application, the indoor unit is provided with a front air inlet on the front side, a rear air inlet on the back side, and a top air outlet on the top;

The indoor heat exchanger includes a heat exchanger section 1, a heat exchanger section 2 and a heat exchanger section 3 connected in sequence;

The first section of the heat exchanger extends in the vertical direction, the second section of the heat exchanger extends obliquely downward from the bottom of the first section of the heat exchanger, and the third section of the heat exchanger extends from the bottom of the second section of the heat exchanger. Extend diagonally upward;

The first section of the heat exchanger and the second section of the heat exchanger are arranged close to the front side plate of the indoor unit, and the third section of the heat exchanger is arranged close to the back plate of the indoor unit;

The air inlet from the front side of the indoor unit flows through the first section and the second section of the heat exchanger, and the air inlet from the back side flows through the third section of the heat exchanger;

The air that has been heat exchanged through the first section of the heat exchanger, the second section of the heat exchanger and the third section of the heat exchanger is collected and flows out from the air outlet at the top;

The main frame is provided with a vent directly communicating with the rear air inlet.

In some embodiments of the present application, a filter is provided between the rear air inlet and the vent;

The main frame is provided with a slide structure, and the side of the indoor unit is provided with an opening. The filter is slidably mounted on the slide structure, and the filter can enter/exit through the opening.

In some embodiments of the present application, a water receiving pan is provided below the indoor heat exchanger, and the main frame is connected to the water receiving pan;

One end of the indoor heat exchanger is provided with a first support part, and the first support part is connected to the water receiving pan and the main frame at the same time;

The other end of the indoor heat exchanger is provided with a second support part, one end of the main frame is provided with a motor gland, and the installation cavity surrounded by the motor gland is provided with a motor for driving the cross-flow fan. , the second support part is connected to the water tray and the motor gland at the same time.

In some embodiments of the present application, the saddle bridge structure includes an indoor saddle bridge shell, an outdoor saddle bridge shell, and a saddle bridge cover shell;

The outdoor saddle bridge shell is sleeved on the outer periphery of the indoor saddle bridge shell. The indoor saddle bridge shell and the outdoor saddle bridge shell can move relative to each other. The indoor saddle bridge shell is on the side facing the indoor unit. An indoor vertical part is provided, and the indoor vertical part constitutes the back plate of the indoor unit, and the outdoor saddle bridge shell is fixedly connected to the casing of the outdoor unit;

The saddle bridge cover has an L-shaped structure, its transverse part is fixedly connected to the outdoor saddle bridge shell at a designated position, and its vertical part is fixedly connected to the casing of the indoor unit and the indoor vertical part. The vertical part of the saddle bridge casing constitutes a part of the casing side wall of the indoor unit, and the top of the main frame is connected to the lateral part of the saddle bridge casing.

beneficial effects

The window air conditioner disclosed in this application has an N-shaped saddle structure. The air duct frame located in the inner cavity of the indoor unit includes a detachably connected main frame and a volute tongue assembly. The air duct frame is a detachable structure, which is convenient for Production and installation facilitate the realization of small size indoor units.

The air duct frame structure not only ensures the convenience of installation, but also plays a supporting role. At the same time, it is also an air duct volute to ensure the air volume; the air duct frame is designed with vents for air intake to match the back and side of the indoor unit. Air intake; the frame has multiple uses and can replace the functions of various structural parts, saving space and reducing costs.

Other features and advantages of the present invention will become more apparent after reading the detailed description of the invention in conjunction with the accompanying drawings.

Description of the drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting any creative effort.

Figure 1 is a schematic structural diagram of the axis side of the saddle-type air conditioner viewed from the indoor side according to the embodiment;

Figure 2 is a schematic structural diagram of the shaft side of the saddle-type air conditioner viewed from the outdoor side according to the embodiment;

Figure 3 is a structural schematic diagram of the stretched saddle bridge structure of the saddle-type air conditioner according to the embodiment;

Figure 4 is a schematic structural diagram of the structure shown in Figure 3 with the cover omitted;

Figure 5 is a schematic diagram of the sliding structure between the indoor saddle bridge shell and the outdoor saddle bridge shell according to the embodiment;

Figure 6 is a schematic structural diagram of a cover according to an embodiment;

Figure 7 is an enlarged view of part A in Figure 6;

Figure 8 is a schematic structural diagram of an indoor saddle bridge shell according to an embodiment;

Figure 9 is a schematic structural diagram of the structure shown in Figure 8 observed from Q1 direction;

Figure 10 is an exploded view of an indoor saddle bridge shell according to an embodiment;

Figure 11 is a schematic structural diagram of an outdoor saddle bridge shell according to an embodiment;

Figure 12 is a schematic structural diagram of the structure shown in Figure 11 viewed from Q2 direction;

Figure 13 is an exploded view of an outdoor saddle bridge shell according to an embodiment;

Figure 14 is a schematic diagram of the internal structure of the outdoor unit and saddle bridge structure according to the embodiment;

Figure 15 is a schematic diagram of the air inlet and outlet of the saddle-type air conditioner according to the embodiment;

Figure 16 is a schematic structural diagram of an indoor heat exchanger according to an embodiment;

Figure 17 is a schematic structural diagram of a filter installed on the water tray according to the embodiment;

Figure 18 is a cross-sectional view of the assembly between the water receiving tray and the filter part according to the embodiment;

Figure 19 is a schematic structural diagram of a water tray according to an embodiment;

Figure 20 is a schematic structural diagram of the filter part according to the embodiment;

Figure 21 is a schematic structural diagram of the air duct frame and indoor evaporator after assembly according to the embodiment;

Figure 22 is a cross-sectional view of the structure shown in Figure 21;

Figure 23 is a schematic structural diagram of the structure shown in Figure 21 with the indoor evaporator omitted;

Figure 24 is an exploded view of the structure shown in Figure 23;

Figure 25 is a schematic structural diagram of the air duct frame according to the embodiment;

Figure 26 is a schematic structural diagram of the main skeleton according to the embodiment;

Figure 27 is a schematic structural diagram of a volute tongue bracket according to an embodiment;

Figure 28 is a schematic structural diagram of the volute tongue strip bracket viewed from the bottom side upward according to the embodiment;

Figure 29 is a schematic structural diagram of a volute tongue strip according to an embodiment;

Figure 30 is a schematic diagram of the installation structure of the main frame in the indoor unit according to the embodiment;

Figure 31 is a schematic structural diagram of the structure shown in Figure 30 viewed from the right side;

Figure 32 is a schematic structural diagram of the structure shown in Figure 30 with the left and right support structures omitted;

Figure 33 is a schematic diagram of the assembly structure of the indoor unit and saddle bridge cover according to the embodiment (the back panel is omitted);

Figure 34 is a schematic diagram of the assembly structure between the main frame and the rear filter screen according to the embodiment;

Figure 35 is a schematic structural diagram of the structure shown in Figure 34 with the back filter screen omitted;

Figure 36 is a schematic diagram of the assembly structure between the back filter and the saddle bridge cover according to the embodiment;

Figure 37 is a schematic structural diagram of the backside filter according to the embodiment;

Figure 38 is a schematic structural diagram of the opening on the saddle bridge cover according to the embodiment;

Figure 39 is a schematic diagram of the assembly structure between the air duct frame, indoor evaporator and water tray according to the embodiment;

Figure 40 is a schematic structural diagram of the structure shown in Figure 39 viewed from the right side;

Figure 41 is an exploded view of the structure shown in Figure 39;

Figure 42 is a schematic structural diagram of an indoor unit chassis according to an embodiment;

Figure 43 is a schematic structural diagram of the water receiving tray viewed from the bottom side according to the embodiment;

Figure 44 is a schematic diagram cut along the width direction of the water receiving pan after the indoor unit chassis and the water receiving pan are assembled according to the embodiment;

Figure 45 is a schematic diagram of the water receiving tray cut along its length direction according to the embodiment;

Figure 46 is a schematic structural diagram of the assembled water tray and sink cover according to the embodiment;

Figure 47 is a schematic structural diagram of the structure shown in Figure 46 viewed from the dorsal side;

Figure 48 is a schematic structural diagram of a sink cover according to an embodiment;

Figure 49 is a schematic structural diagram of the sink cover viewed from the bottom side upward according to the embodiment;

Figure 50 is a schematic structural diagram of a float switch installed on the sink cover according to the embodiment.

Embodiments of the invention

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of this application.

In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", The orientations or positional relationships indicated by "top", "bottom", "inner", "outside", etc. are based on the orientations or positional relationships shown in the drawings. They are only for the convenience of describing the present application and simplifying the description, and are not indicated or implied. The devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the application.

The terms “first” and “second” are used for descriptive purposes only and shall not be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of this application, unless otherwise stated, "plurality" means two or more.

In the description of this application, it should be noted that, unless otherwise clearly stated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. Connection, or integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood on a case-by-case basis.

In the present invention, unless otherwise expressly provided and limited, the term "above" or "below" a first feature of a second feature may include direct contact between the first and second features, or may also include the first and second features. Not in direct contact but through additional characteristic contact between them. Furthermore, the terms "above", "above" and "above" a first feature on a second feature include the first feature being directly above and diagonally above the second feature, or simply mean that the first feature is higher in level than the second feature. “Below”, “under” and “under” the first feature is the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature is less horizontally than the second feature.

The following disclosure provides many different embodiments or examples of various structures for implementing the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numbers and/or reference letters in different examples, such repetition being for purposes of simplicity and clarity and does not itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

This embodiment discloses a saddle-type air conditioner. Referring to FIG. 1 , it includes an indoor unit 100 located on the indoor side, an outdoor unit 200 located on the outdoor side, and a saddle bridge structure 300 connecting the indoor unit 100 and the outdoor unit 200 .

The saddle-type air conditioner has an N-shaped structure. The indoor unit 100 and the outdoor unit 200 are respectively located at both ends of the saddle bridge structure 300 and are located on the same side of the saddle bridge structure 300 .

When the saddle-type air conditioner is installed on the window, the saddle structure 300 is directly located on the window, the indoor unit 100 is located on the indoor side, and the outdoor unit 200 is located on the outdoor side.

Since the indoor unit 100 and the outdoor unit 200 are both located below the window, the saddle-type air conditioner solves the problem of blocking sunlight after the existing integrated window unit is installed.

Separating the indoor unit 100 and the outdoor unit 200 through the saddle bridge structure 300 helps to prevent the noise of the outdoor unit 200 from being transmitted to the indoor side and improves user comfort.

The indoor unit 100 mainly includes components such as a casing, an indoor heat exchanger 120, a water tray 400, a cross-flow fan 130, and an air duct.

The outdoor unit 200 mainly includes a casing, an outdoor heat exchanger 230, an axial fan 250, a compressor 220 and other components.

In some embodiments of the present application, there is a certain gap between the back panel of the indoor unit 100 and the indoor side wall.

In some embodiments of the present application, the air inlet and outlet method of the indoor unit 100 is as follows: referring to Figure 2, air enters from the front and back sides of the indoor unit 100, and air exits from the top.

Specifically, the front side panel of the indoor unit 100 is provided with an indoor front air inlet 112 , the back panel of the indoor unit 100 is provided with an indoor rear air inlet 113 , and the top of the indoor unit 100 is provided with an indoor top air outlet 111 .

The indoor air flows into the inner cavity of the indoor unit 100 from the indoor front air inlet 112 and the indoor rear air inlet 113. After being heat exchanged by the indoor heat exchanger 120, it flows out from the indoor top air outlet 111.

The gap between the back panel of the indoor unit 100 and the indoor side wall provides the possibility for air intake from the back side of the indoor unit 100 .

The front and back sides of the indoor unit 100 take in air at the same time. Compared with the existing window unit, the air inlet volume is significantly increased, which helps to improve the heat exchange efficiency of the indoor heat exchanger, thereby improving the heat exchange efficiency of the entire machine.

The simultaneous air intake from the front and back sides ensures sufficient air intake while canceling the bottom air intake, thereby solving the existing problems of increased wind resistance in the water tray and overflow and dripping of condensed water caused by the air intake from the bottom of the indoor unit in the existing technology. The problem.

Since there is no need to open an air inlet at the bottom of the indoor unit, there is no need to reserve too much space between the bottom plate of the indoor unit and the water tray, which helps to reduce the overall height of the indoor unit and reduce the indoor space occupied.

The back panel of the indoor unit is equipped with a hollow air inlet and a corresponding concave design, which helps reduce the weight of the indoor unit and improves the structural strength of the back panel of the indoor unit.

In some embodiments of the present application, removable filters are respectively provided at the indoor front air inlet 112 and the indoor rear air inlet 113 to filter dust and impurities.

In some embodiments of the present application, the indoor ceiling air outlet 111 is inclined toward the indoor side, which facilitates the flow of heat-exchanged gas to the indoor side.

In some embodiments of the present application, spacers or adjustable bolts (not shown) are provided between the back panel of the indoor unit 100 and the indoor side wall to improve the installation stability of the indoor unit 100.

In some embodiments of the present application, referring to Figures 15 and 16, the indoor heat exchanger 120 has a three-section structure, including a heat exchanger section 121, a heat exchanger section 122, and a heat exchanger section 123 connected in sequence.

The first heat exchanger section 121 extends in the vertical direction, the second heat exchanger section 122 extends diagonally downward from the bottom of the first heat exchanger section 121 , and the third heat exchanger section 123 extends diagonally upward from the bottom of the second heat exchanger section 122 .

The first heat exchanger section 121 and the second heat exchanger section 122 are arranged close to the front side plate of the indoor unit 100. The second heat exchanger section 122 extends diagonally downward from the bottom of the first heat exchanger section 121 in a direction away from the front side plate.

The third heat exchanger section 123 is disposed close to the back plate of the indoor unit 100, and extends diagonally upward from the bottom of the second heat exchanger section 122 toward the back plate.

The front inlet air flows through the first heat exchanger section 121 and the second heat exchanger section 122, and the back side inlet air flows through the third heat exchanger section 123.

The cross-flow fan 130 is located in the area surrounded by the three-stage indoor heat exchanger, making full use of the internal space of the indoor unit 100 and having a compact structure.

The air that has been heat exchanged through the first heat exchanger section 121, the second heat exchanger section 122, and the third heat exchanger section 123 is collected and flows out from the top air outlet 111.

The air inlets on the front and rear sides of the indoor unit are perfectly matched with the three-stage indoor heat exchanger. Each air inlet can fully conduct heat exchange with the indoor heat exchanger, greatly improving the heat exchange efficiency of the indoor heat exchanger.

In some embodiments of the present application, the indoor rear air inlet 113 is arranged directly opposite the third section 123 of the heat exchanger, so that the gas flowing in from the indoor rear air inlet can directly exchange heat with the third section 123 of the heat exchanger, thereby improving the heat exchange efficiency.

In some embodiments of the present application, the angles between the first heat exchanger section 121, the second heat exchanger section 122, and the third heat exchanger section 123 with the vertical direction are all less than 40°, ensuring smooth drainage of the indoor heat exchanger 120 after installation. Condensation water can flow down the fins to prevent condensation water from dripping from the middle of the fins.

In some embodiments of the present application, the top of the third heat exchanger section 123 is not higher than the connection position between the first heat exchanger section 121 and the second heat exchanger section 122. On the basis of meeting the heat exchange requirements and cross-flow fan installation requirements, the The overall structure of the indoor heat exchanger 120 is more compact, which helps to reduce the size of the indoor unit 100.

In some embodiments of the present application, the length of the second section 122 of the heat exchanger is respectively longer than the length of the first section 121 and the third section 123 of the heat exchanger. In the limited inner cavity of the indoor unit 100, the distance between the inlet air and the room is maximized. The active area of the heat exchanger 120 improves the heat exchange efficiency.

In some embodiments disclosed in this application, with reference to Figures 15, 21 to 24, an air duct frame 900 is provided in the inner cavity of the indoor unit. The air duct frame 900 includes a main frame 910 and a volute tongue assembly 920.

The main frame 910 is arranged close to the back plate of the indoor unit 100, specifically close to the vertical part 3112 of the L-shaped bottom plate of the indoor saddle bridge shell. The volute tongue assembly 920 is arranged on the top front side of the main frame 910 and between the main frame 910 Create an air outlet.

The indoor heat exchanger 120 is disposed on the front side of the main frame 910 and below the scroll tongue assembly 920 . A cross-flow fan 130 is installed in the area surrounded by the indoor heat exchanger 120 and the main frame 910 .

Under the action of the cross-flow fan 130, the indoor inlet air flows into the area surrounded by the main frame 910 and the indoor heat exchanger 120 after exchanging heat with the indoor heat exchanger 120, and then flows out through the top air outlet 111.

The air duct frame 900 in this application is a detachable structure, which is convenient for production and installation, and is conducive to the realization of a small size of the indoor unit.

The air duct frame 900 not only ensures the convenience of installation, but also plays a supporting role. At the same time, it is also an air duct volute to ensure the air volume; the air duct frame 900 is designed with a vent 913 that can admit air to match the indoor unit. Air intake from the back; the frame has multiple uses and can replace the functions of various structural parts, saving space and reducing costs.

In some embodiments of the present application, referring to Figure 26, the main frame 910 includes a vertical part 912 and an arcuate part 911 of an integrated structure. The vertical part 912 is provided at the lower part of the arcuate part 911. The volute tongue assembly 920 and the arcuate part 911 An air outlet is formed between them.

Referring again to FIG. 22 , the cross-flow fan 130 is disposed in the area surrounded by the arc-shaped portion 911 and the indoor heat exchanger 120 . The arc-shaped portion 911 provides space for the installation of the cross-flow fan 130 .

The vertical portion 912 is provided with a vent 913, which is directly connected with the rear air inlet 113 of the indoor unit to allow the air inlet from the back side of the indoor unit to flow in.

The back side of the arc-shaped portion 911 is provided with a thermal insulation piece (not labeled) to improve the thermal insulation performance of the air duct.

In some embodiments of the present application, referring to Figures 22, 27 to 29, the volute tongue assembly 920 includes a volute tongue strip 921 and a volute tongue strip bracket 922, both of which are detachable structures to facilitate production and assembly.

The volute tongue bracket 922 includes a volute tongue bracket body 9221 and connecting portions 9222 provided at both ends of the volute tongue bracket body 9221. The connecting portions 9222 are connected to the main frame 910. The volute tongue bracket 921 is located on the volute tongue bracket body 9221 toward the main frame. One side of the skeleton 910.

In some embodiments of the present application, the volute tongue bracket body 9221 includes a base plate 92211 located on the top side and a first flip plate 92212 provided on the base plate 92211. The first flip plate 92212 extends downward from the base plate 92211. The first flip plate 92212 It extends diagonally downward from the base plate 92211 in a direction away from the main frame 910 .

The volute tongue strip 921 includes a volute tongue strip 9211 and a volute tongue strip 2 9212 of an integrated structure. The two have a V-shaped structure, and the angle between them is an acute angle. The volute tongue strip 9211 is connected to the base plate 92211. The two parts of the volute tongue 9212 are connected to the first flap 92212, so that the volute tongue 921 is installed on the volute tongue bracket 922.

During assembly, the volute tongue strip 921 is first installed on the volute tongue strip bracket 922, and then the volute tongue strip bracket 922 is installed on the main frame 910, thereby completing the assembly of the air duct frame 900.

In some embodiments of the present application, the second part 9212 of the volute tongue is provided with a first resisting plate 92121 and a second resisting plate 92122 on the side facing the volute tongue bracket 922. The first resisting plate 92121 is along the volute tongue. The two portions 9212 extend in the length direction, and the second resisting plates 92122 extend along the height direction of the two volute tongue portions 9212. Multiple second resisting plates 92122 are provided at intervals along the length direction of the two volute tongue portions 9212.

A plurality of limiting portions 92124 are spaced apart along the length direction of the first resisting plate 92121. The limiting portions 92124 and the second resisting plate 92122 are defined along the length direction of the first resisting plate 92121. Exit the limit slot 92123.

The lower end of the first flap 92212 is inserted into the limiting groove 92123 and abuts against the first abutment plate 92121. The side of the first flap 92212 abuts against the second abutment plate 92122, thus realizing the movement of the volute tongue strip 921. Assembly between the bottom and the volute tongue bracket 922.

Through the assembly between the volute tongue strip part 9211 and the volute tongue strip bracket 922, and the assembly between the first flange 92212 and the limiting groove 92123, the displacement of the volute tongue strip 921 in the up and down direction and the left and right direction can be limited, and then through the third The abutment between the two abutting plates 92122 and the first flap 92212 further improves the assembly stability of the volute tongue strip 921 and prevents the volute tongue strip 921 from shaking and making noise when the wind is discharged.

In some embodiments of the present application, the base plate 92211 is also provided with a second flip plate 92213 and a third flip plate 92214. The second flip plate 92213 and the third flip plate 92214 are respectively inclined downward from the base plate 92211 and away from the main frame 910 The third flap 92214 is located outside the second flap 92213, the second flap 92213 is located outside the first flap 92212, and the bottom end of the third flap 92214 is lower than the bottom of the second flap 92213. end position.

The top of the indoor heat exchanger 120 (specifically, the top of the heat exchanger section 121) is close to the second flap 92213 and located inside the third flap 92214 to avoid a gap between the top of the indoor heat exchanger 120 and the volute tongue assembly 920 A gap appears, so that the air inlet from the front side of the indoor unit can all pass through the indoor heat exchanger 120 for heat exchange.

In some embodiments of the present application, the base plate 92211 is provided with a plurality of protruding structures 92215 for clamping along its length direction. Correspondingly, a portion of the volute tongue strip 9211 is provided with a plurality of bayonet openings 92111 along its length direction. The bayonet 92111 is engaged with the corresponding protruding structure 92215 to realize the installation between the top of the volute tongue 921 and the volute tongue bracket 922 .

During installation, first insert the first flap 92212 into the limiting groove 92123 at the bottom of the volute tongue 921, and then snap the top of the volute tongue 921 with the volute tongue bracket 922 to complete the installation of the two.

In some embodiments of the present application, referring to Figure 32, the air duct frame 900 is connected to the saddle bridge shell 330. In this case, the vertical part of the indoor saddle bridge shell 310 constitutes the back panel of the indoor unit, and the saddle bridge shell 330 is in the shape of L. structure, the horizontal part is connected to the outdoor saddle bridge shell 320, and the vertical part is connected to the indoor unit. As can be seen from Figure 15, the vertical part of the saddle bridge shell 330 constitutes a part of the side wall of the indoor unit's casing, and the air duct The frame 900 is connected to the saddle bridge cover 330 .

The top of the air duct frame 900 (specifically the top of the main frame 910) is connected to one end of the transverse part of the saddle bridge cover 330; a water receiving tray 400 is provided in the inner cavity of the indoor unit, and the bottom of the air duct frame 900 (specifically The bottom of the main frame 910 is located on the water tray 400, thus improving the installation stability of the air duct frame 900.

In some embodiments of the present application, the water tray 400 is provided with a support structure for installing the indoor heat exchanger 120, and the air duct frame 900 is also connected to the support structure to further improve the installation stability of the air duct frame 900.

The installation of the air duct frame 900 in this application makes full use of the existing structure in the indoor unit to achieve the effects of easy installation, compact and stable structure.

In some embodiments of the present application, referring to Figures 33 and 35, a filter 930 is provided between the rear air inlet 113 and the vent 913 provided on the air duct frame 900 to filter the air inlet from the back of the indoor unit 100.

The filter 930 can be inserted into the gap between the back plate of the indoor unit and the air duct frame 900 (specifically, the vertical part 912 of the main frame) through the side of the casing of the indoor unit 100, or from the back plate of the indoor unit 100. It is pulled out from the gap between the air duct frame 900 and the filter 930 to facilitate the disassembly and maintenance of the filter 930 .

In some embodiments of the present application, referring again to Figure 35, the filter 930 is slidably provided on the main frame 910. Specifically, the vertical part 912 of the main frame is provided with a slide structure, and the side of the casing of the indoor unit 100 is provided with The filter 930 is slidably disposed on the slide structure through the opening 334. The filter 930 can be moved in and out through the opening 334, thereby realizing the sliding installation of the filter 930 and making it easy to pull out.

In some embodiments of the present application, a limiting structure 915 is provided on the vertical part 912 of the main frame to limit the horizontal sliding displacement of the filter 930. The limiting structure 915 is a limiting frame structure.

The slide structure is located on the side close to the opening 334, and the limiting structure 915 is located on the side away from the opening 334. When the filter 930 is inserted through the opening 334, it is first guided by the slide structure, and the insertion movement is relatively smooth and reliable. When the filter 930 is inserted through the opening 334, the insertion movement is smooth and reliable. When the end of 930 abuts against the limiting structure 915, it is inserted into place.

In some embodiments of the present application, the slide structure includes an upper slide 9141 and a lower slide 9142. The upper part of the filter 930 is located in the upper slide 9141, and the lower part is provided in the lower slide 9142. There are slides on the upper and lower sides to improve the sliding reliability.

In some embodiments of the present application, referring to Figures 36 to 38, one end of the filter 930 is provided with a stopper plate 931, and the stopper plate 931 is provided with a first plug-in portion 932 and a first snap-in portion 933. The stopper plate 931 abuts against the side of the casing of the indoor unit 100 to limit the insertion displacement of the filter 930 .

The side of the casing of the indoor unit 100 is provided with a second plug-in part 335 and a second clamping part 336 near the opening 334 .

The first plug-in part 932 and the second plug-in part 335 are correspondingly plugged in, and the first clamping part 933 and the second clamping part 336 are correspondingly clamped, so as to realize the fixed installation of the filter 930 .

In a specific embodiment, the first plug-in part 932 is a plug-in piece, and the second plug-in part 335 is a socket; the first clamping part 933 and the second clamping part 336 are both buckle structures, and they lock each other. catch.

In some embodiments of the present application, the vertical part of the saddle bridge cover 330 constitutes a part of the casing side wall of the indoor unit, and the vertical part of the saddle bridge cover 330 is provided with an opening 334 for the filter 930 to enter and exit.

In some embodiments of the present application, the third section 122 of the heat exchanger faces the vent 913 and can cover the vent 913, so that the air entering from the back side can be heat exchanged.

In some embodiments of the present application, with reference to Figures 39 to 41, the support structure used to fix the indoor heat exchanger 120 includes a first support part 171 and a second support part 172; the first support part 171 is used to install the indoor heat exchanger. One end of 120 is located on the water receiving tray 400 and is fixedly connected to the water receiving tray 400 and the main frame 910; the second support part 172 is used to install the other end of the indoor heat exchanger 120, located on the water receiving tray 400, and is connected with the water receiving tray 400. The water tray 400 is fixedly connected, thus achieving fixed installation of the indoor heat exchanger 120.

The indoor heat exchanger 120 is fixedly installed in the indoor unit through the air duct frame 900, the water tray 400, the first support part 171 and the second support part 172. Each component has a compact structure and is easy to disassemble and assemble.

In some embodiments of the present application, referring to Figure 26, the main frame 910 has a first mounting part 9161 on one side and a second mounting part 9162 on the other side.

Referring to Figures 30 to 32, the first support part 171 is fixedly connected to the first mounting part 9161, and the two are butted to form a mounting hole. The bearing seat 131 for mounting the cross-flow fan 130 is provided in the mounting hole; the second mounting part 9162 is A motor gland 132 is provided. An installation cavity is formed between the second mounting part 9162 and the motor gland 132. The installation cavity is provided with a motor 133 for driving the cross-flow fan 130. The second support part 172 is also fixedly connected to the motor gland 132. , thus realizing the fixed installation of the cross-flow fan 130.

The first support part 171 and the second support part 172 not only fix the indoor heat exchanger 120, but also play a role in installing the cross-flow fan 130. Through the fixation between the support structure and the water receiving pan 400, it is helpful to further Improve the stability of the air duct frame 900 and the indoor heat exchanger 120.

In some embodiments of the present application, referring to Figure 30, the front part of the first support part 171 is fixedly connected to the water tray 400 at a1 through screws, and the upper part of the first support part 171 is connected to the first mounting part 9161 at a2 and a3. Fixed connection by screws; referring to Figures 31 and 41, the second support part 172 includes a support base 1722 and a tube plate 1721. The front part of the support base 1722 is fixedly connected to the water receiving tray 400 at b1, and the tube plate 1721 is fixedly connected. At the end of the indoor heat exchanger 120, the tube plate 1721 is fixedly connected to the support base 1722 at b2 and b3, and is fixedly connected to the motor gland 132 at b4.

Fixed connection points of each component are set at appropriate locations. There are not many connection points, which simplifies installation and provides better structural stability.

In some embodiments of the present application, a drain pan 400 for containing condensed water is provided in the inner cavity of the indoor unit 100 .

Referring to Figure 17, the water receiving tray 400 is provided with a water receiving area 410 and a water holding area 420. The water holding area 420 is provided with an inner water tank 422 and an outer water tank 421 arranged inside and outside. The inner water tank 422 is connected to the outer water tank 421. The filter unit 500 is provided, the water receiving area 410 is connected to the outer water tank 421 , and the inner water tank 422 is connected to the drainage pump 700 through the drainage pipe 710 .

The condensed water generated by the indoor heat exchanger 120 first drips into the water receiving area 410, and then flows into the inner water tank 422 through the outer water tank 421 and the filter part 500.

The outer water tank 421 mainly plays a role in settling relatively large dust particles and dirt in the condensate water.

Since the water storage area of the external water tank 421 is large, the water level rises slowly during the condensation water storage process, so the dust particles and dirt in the condensation water have enough time to settle to the bottom of the external water tank.

The condensed water undergoes preliminary sedimentation treatment in the external water tank 421 and then passes through the filter unit 500 to perform secondary treatment on the fine dust particles contained in the condensed water, thereby isolating the fine dust in the external water tank 421 .

The condensed water after secondary treatment enters the inner water tank 422. At this time, the condensed water has reached a high degree of cleanliness, which can effectively avoid the problem of impurities blocking the drainage pipeline and the drainage pump when the drainage pump 700 is pumping.

The inner water tank 422 is provided with a float switch (not shown). When the water level in the inner water tank 422 reaches a certain height, the float switch is activated and the drainage pump 700 starts pumping water.

The water receiving tray 400 in this embodiment adopts the method of "settlement in the outer water tank and filtration in the inner water tank" to effectively improve the dust and dirt removal effect of the condensed water, reduce the clogging of gaps in the drainage pipelines and drainage pumps, and reduce the maintenance cost of the drainage pump.

After the machine has been used for a period of time, the user can unplug the water plug structure on the outer water tank 421. The water in the external water tank 421 will carry the previously deposited sediment, dust particles, etc. under the high-speed propulsion of the gravity-driven flow and remove it from the water plug. It flows out from any location and plays a self-cleaning role.

In some embodiments of the present application, the total area of the water holding area 420 (outer water tank 421 + inner water tank 422) accounts for approximately 1/6 of the total area of the water receiving tray 400. The water holding volume is larger and can hold more condensed water.

The area of the inner water tank 422 is approximately 1/2 of the entire water holding area 420 and can hold more clean condensed water.

In some embodiments of the present application, a water tank cover (not shown) is provided on the top of the water holding area 420 to prevent condensed water containing dust particles and dirt dripping from the indoor heat exchanger 120 from falling into the water holding area 420 .

In some embodiments of the present application, continue to refer to FIG. 17 , the inner water tank 422 is provided at the corner side of the outer water tank 421 , and a space is formed between the side wall of the inner water tank 422 and the side wall of the outer water tank 421 for the condensed water in the outer water tank to circulate. The water flow channel has a filter part 500 located at one end of the water flow channel.

The water in the outer water tank 421 flows along the water flow channel to the filter part 500, and then flows into the inner water tank 422 after being filtered.

The water flow channel increases the flow distance and time of the condensed water in the outer water tank 421, which helps to improve the settling effect of dust particles and dirt.

In some embodiments of the present application, combined with FIG. 18 and FIG. 19 , the water holding area 420 is located on the corner side of the water receiving tray 400 , and one end of the water flow channel extends to the side wall of the water receiving tray 400 .

A first water opening 423 is provided on the side wall of the water receiving tray 400, and a second water opening 424 is provided on the side wall of the inner water tank 422. The first water opening 423 and the second water opening 424 are directly opposite, and the first water opening 423 A removable blocking part 430 is provided.

The condensed water in the outer water tank 421 is filtered by the filter part 500 and then flows into the inner water tank 422 through the second water outlet 424 .

After the machine has been running for a period of time, the user can remove the blocking part 430 by himself, and the condensed water in the external water tank 421 can be discharged through the first water outlet 423 to completely discharge the dust particles and dirt settled in the external water tank 421.

The filter part 500 is taken out, and the condensed water in the inner water tank 422 can be discharged through the second water outlet 424 and the first water outlet 423 .

That is to say, after the machine has been running for a period of time, both the blocking part 430 and the filtering part 500 are taken out, and all the water in the outer water tank 421 and the inner water tank 422 can be drained.

The first water inlet 423 is provided at one end of the outer water tank 421, and the second water inlet 424 is provided at one end of the inner water tank 422. During drainage, the condensed water in the water tank flows from one end to the other end, which also washes the inner wall of the water tank to a certain extent. effect.

In some embodiments of the present application, one end of the filter part 500 is disposed in the first water inlet 423 to close the first water inlet 423; the other end of the filter part 500 is disposed in the second water inlet 424, and passes through the inner part of the filter part 500. The cavity connects the outer water tank 421 and the inner water tank 422.

When the condensed water in the outer water tank 421 flows to the inner water tank 422 through the inner cavity of the filter part 500, the secondary filtration of dust particles is automatically completed.

The filter part 500 can be taken out from the outside of the water receiving tray 400, which facilitates cleaning and replacement of the filter part 500.

In some embodiments of the present application, a mounting column 440 is provided on the outside of the side wall of the water tray 400. A through hole is provided in the mounting column 400 to communicate with the external water tank 421. One end of the filter part 500 (i.e., the extended part 518) passes through the third A water opening 423 extends into the through hole.

A blocking portion 430 is detachably provided on the outside of the mounting post 440 to block the through hole. Specifically, the outer periphery of the mounting post 440 is provided with external threads, the blocking portion 430 is a plug structure, and its inner periphery is provided with internal threads. The blocking portion 430 is screwed on the mounting post 440 .

When it is necessary to disassemble the filter part 500, first remove the blocking part 430, and then pull the extended part 518 by hand to pull out the filter part 500.

In some embodiments of the present application, the side wall of the outer water tank 421 includes a first outer wall 4211, a second outer wall 4212, a third outer wall 4213 and a fourth outer wall 4214 connected in sequence.

The side walls used to form the water flow channel in the inner water tank 422 include a first inner wall 4221, a second inner wall 4222, a third inner wall 4223 and a fourth inner wall 4224 that are connected in sequence. Each two adjacent side walls are in the shape of L-shaped structure.

The first inner wall 4221 is connected to the fourth outer wall 4211, the fourth inner wall 4224 is connected to the third outer wall 4213, and there is a gap for accommodating the filter part 500 between the third inner wall 4223 and the third outer wall 4213.

The first water opening 423 is provided on the third outer wall 4213, and the second water opening 424 is provided on the third inner wall 4223.

The structure of the water holding area 420 designed in this way makes the water flow channel formed between the outer water tank 421 and the inner water tank 421 be L-shaped, and the long and narrow water flow channel is more conducive to the settlement of dust particles and dirt.

The filter part 500 is located at the corner where the outer water tank 421 and the inner water tank 422 are connected. The water flow will have a buffering effect at this corner, which is conducive to improving the secondary filtration effect of dust particles.

In some embodiments of the present application, a plurality of water conductive ribs are provided in the water receiving area 410 to guide condensed water.

In some embodiments of the present application, the side of the external water tank 421 is provided with a plurality of water-dividing ribs arranged at intervals at a position connected to the water receiving area 410, and the water supply flows into the external water tank between two adjacent water-dividing ribs. The 421 water flow gap plays a role in equalizing the flow of condensed water.

Since the bottom side air inlet of the indoor unit is canceled in this case, the chassis 160 of the indoor unit is a closed structure. In some embodiments of the present application, with reference to Figures 42 to 44, the water receiving pan 400 is connected to the chassis 160, and the water receiving pan 400 is connected to the chassis 160. A closed space is formed between the chassis 160. The thermal conductivity of the air in the closed space is low, which can reduce the heat transfer between the water tray 400 and the chassis 160. The temperature of the water tray 400 will not affect the temperature of the chassis 160, effectively preventing Condensation occurs on the chassis 160 .

In some embodiments of the present application, heat insulation material can be filled between the water receiving tray 400 and the chassis 160 to further reduce the heat transfer between the water receiving tray 400 and the chassis 160 .

In some embodiments of the present application, continuing to refer to Figures 42 to 44, the chassis 160 includes a chassis body 161. The chassis body 161 is surrounded by upwardly extending flanges 162, and the flanges 162 are connected to the circumferential side walls of the water tray 400. Through fixed connection with screws, the flange 162 wraps and fixes the surroundings of the water receiving tray 400 to form a sealed space between the water receiving tray 400 and the chassis main body 161 .

In some embodiments of the present application, a support structure is provided between the water receiving tray 400 and the chassis body 161 to improve the installation stability of the water receiving tray 400 .

The bottom of the water receiving tray 400 is provided with a plurality of support portions 461 arranged at intervals. The support portions 461 are of a cross-shaped column structure. The support portions 461 abut against the chassis body 161 to improve the stability of the installation between the water receiving tray 400 and the chassis 160. At the same time, it also helps to improve the structural strength of the water collecting tray 400.

A connecting rib 462 is provided between two adjacent support parts 461 to further improve the structural strength of the water receiving tray 400.

In order to improve the water conductivity of the water receiving area 410, in some embodiments of the present application, referring to Figures 44 and 45, combined with the orientation indicated in Figure 17, Figure 44 is a schematic diagram cut along the width direction of the water receiving tray 400 at x1 , Figure 45 is a schematic diagram cut at x2 along the length direction of the water receiving tray 400. The upper surface of the water receiving area 410 is composed of a first inclined surface 412 and a second inclined surface 413. The first inclined surface 412 and the second inclined surface The surfaces 413 guide the condensed water on the upper surface of the water receiving area 410 to the water containing area 420 from different directions, so that the water in the water receiving area 410 can smoothly flow to the water containing area 420, and avoid the water receiving area 410 from flowing into the water receiving area 410. Store water.

The two inclined surfaces guide the water in the water contact area 410 from different directions. On the one hand, it can improve the diversion efficiency. On the other hand, it can also avoid the water accumulation problem of the single inclined surface diversion commonly used in the prior art. .

The first inclined surface 412 and the second inclined surface 413 guide the condensed water on the upper surface of the water receiving area 410 to the outer water tank 421. The water in the outer water tank 421 flows into the inner water tank 422 through the filter part 500. The water in the inner water tank 422 The condensed water is discharged to the outdoor unit side through the drainage pipe 710.

In some embodiments of the present application, the water holding area 420 is located at the corner side of the water receiving tray 400, specifically at the rear corner of the water receiving tray 400, so as to facilitate connection with the drain pipe leading from the side of the outdoor unit. Road 710 connects.

The first inclined surface 412 is inclined downward from the side of the water tray 400 toward the intersection of the first inclined surface 412 and the second inclined surface 413, and at the same time is inclined downward toward the water holding area 420; the second inclined surface 413 The side of the water receiving tray 400 is inclined downward toward the intersection of the first inclined surface 412 and the second inclined surface 413 and at the same time inclined downward toward the water holding area 420 side.

For ease of understanding, the dotted line r in Figure 17 represents the intersection line of the first inclined surface 412 and the second inclined surface 413. Combined with Figures 44 and 45, the first inclined surface 412 and the front and right sides of the water collecting tray 400 The second inclined surface 413 is connected to the rear side and the left side of the water receiving tray 400. While both the first inclined surface 412 and the second inclined surface 413 are inclined downward toward the water holding area 420 side, the second inclined surface 413 is connected to the rear side and the left side of the water tray 400. The first inclined surface 412 and the second inclined surface 413 are also relatively inclined downward, that is, there is a certain angle between the first inclined surface 412 and the second inclined surface 413, so that there is no dead corner for water accumulation in the water receiving area 410.

In some embodiments of the present application, referring to FIG. 17 , the intersection line r of the first inclined surface 412 and the second inclined surface 413 extends from the end angle r1 of the water receiving tray 400 that is diagonally opposite to the water containing area 420 to the end of the water containing area 420 The angle r2 is extended, so that the front side of the water holding area 420 is connected to the first inclined surface 412, and the left side of the water holding area 420 is connected to the second inclined surface 413, which helps to further improve the water conduction performance.

In some embodiments of the present application, a plurality of water distribution holes are respectively provided at the positions where the first inclined surface 412 and the second inclined surface 413 communicate with the water holding area 420, so as to equalize the flow of the converging water.

In some embodiments of the present application, with reference to Figures 46 to 50, the water receiving tray 400 is provided with a sink cover 450 for covering the water holding area 420, and a water supply is provided at the connection position between the sink cover 450 and the water receiving tray 400. The condensed water in the water receiving area 410 flows into the water outlet of the water containing area 420. The water tank cover 450 is provided with a water level detection device 452 (such as a float switch) and a water pipe joint 451. The water level detection device 452 is used to detect the water in the water containing area 420. According to the water level, the water pipe joint 451 is connected to the drainage pipe 710 to discharge the condensed water in the water holding area 420 to the outdoor unit side. Based on the detection result of the water level detection device 452, the system controls the start and stop of the drainage pump 700.

In some embodiments of the present application, when the water holding area 420 is located on the corner side of the water receiving tray 400, the sink cover 450 has two adjacent sides that are respectively engaged with the side walls of the corresponding sides of the water receiving tray 400. Then, any one of the other two adjacent sides of the sink cover 450 is connected to the bottom plate forming the water receiving area 410 through a connecting piece.

Taking the water holding area 420 located at the right rear corner of the water receiving tray 400 as an example, referring to Figure 49, the right and rear sides of the sink cover 450 are respectively provided with sink cover buckles 453, which are connected to the water receiving tray 400. The corresponding latching structures on the right side of the tray 400 and the rear side panel are connected to each other; referring to Figure 48, a lug 454 is provided on the left side of the sink cover 450, and the lug 454 is fixed to the water tray 400 through screws. connection; in this way, the sink cover 450 can be fixedly installed by snapping in four places and screwing in one place, making it easy to install.

In order to further improve the installation stability of the sink cover 450, in some embodiments of the present application, continue to refer to Figures 48 and 49, the sink cover 450 is located on two adjacent sides of the water receiving tray 400 (specifically, the sink cover 450 There are a plurality of first water-dividing ribs 455 arranged at intervals on the front side and left side), and a first water-passing gap 456 is formed between two adjacent first water-dividing ribs 455; correspondingly, Referring to Figure 17, a plurality of second water-dividing ribs 411 arranged at intervals are provided at a position where the water-receiving area 410 and the water-containing area 420 are connected, and a second water-conducting rib 411 is formed between two adjacent second water-dividing ribs 411. Gap 414; a plurality of first water-dividing ribs 455 and a plurality of second water-dividing ribs 411 are in one-to-one correspondence, and a plurality of first water-passing gaps 456 and a plurality of second water-passing gaps 414 are connected in a one-to-one correspondence, Form a water outlet and act as a diversion.

The first water-dividing rib 455 is provided with a limiting step 4551, and the limiting step 4551 abuts the top of the second water-dividing rib 411. In this way, each side of the sink cover 450 is stabilized.

Regarding the specific structure of the filter part 500, in some embodiments of the present application, the filter part 500 is mainly used to filter dust particles and dirt in the condensate water in the water tray 400 to avoid clogging of the drainage pipeline and the drainage pump.

The filter part 500 is detachably installed on the water tray 400 to facilitate cleaning and replacement of the filter part 500.

In some embodiments of the present application, with reference to Figures 18 and 20, the filter part 500 includes a housing 410, which is provided with a cavity with an open end. The housing 410 is provided with an opening (not labeled) communicating with the cavity. The cavity A filter 520 is provided inside, and the filter 520 covers the opening.

The condensed water in the water receiving tray 400 enters the cavity through the opening and the filter screen 520, and then flows out through the open opening, thereby realizing the filtration of the condensed water.

Taking the structure of the water receiving tray 400 shown in FIG. 17 as an example, the condensed water in the outer water tank 421 flows into the internal cavity of the filter part 500 through the opening and the filter screen 520, and then flows into the inner water tank 422.

In some embodiments of the present application, the housing 510 includes a first housing peripheral wall 511 and a second housing peripheral wall 512 arranged at intervals. A plurality of connecting ribs 513 are provided between the first housing peripheral wall 511 and the second housing peripheral wall 512. The plurality of connecting ribs An opening is formed between 513. The opening area is large, and the area of the filter 520 that interacts with the condensed water is larger, thereby improving the smooth flow and filtration effect of the condensed water.

The first housing peripheral wall 511 is provided in the first water opening 423, and the second housing peripheral wall 512 is provided in the second water opening 424, thereby realizing the fixed installation of the filter part 500 on the water tray 400.

In some embodiments of the present application, reinforcing ring ribs 514 are provided between the plurality of connecting ribs 513 along the circumference of the shell, which further improves the overall structural strength of the shell without affecting the water fluidity and filtering effect.

In some embodiments of the present application, a first installation ring groove is provided on the first housing peripheral wall 511, and a first sealing ring 515 is provided in the first installation ring groove. The first sealing ring 515 is in sealing contact with the inner wall of the first water opening 423. .

The second housing peripheral wall 512 is provided with a second mounting ring groove, and a second sealing ring 516 is disposed in the second mounting ring groove. The second sealing ring 516 is in sealing contact with the inner wall of the second water outlet 424 .

In some embodiments of the present application, a stopper 517 is provided on the second housing peripheral wall 512 , and the stopper 517 abuts against the outer peripheral wall of the second water opening 424 to limit the installation movement displacement of the filter part 500 .

In some embodiments of the present application, the closed end of the housing 510 is provided with an overhang 518 , and the overhang 518 extends out of the water tray 400 for pulling out the filter part 500 from the outside of the water tray 400 .

In some embodiments of the present application, there is a certain gap between the back panel of the outdoor unit 200 and the outdoor side wall.

In some embodiments of the present application, the air inlet and outlet method of the outdoor unit 200 is as follows: referring to Figure 1 , air enters the left and right sides, the top and the back side of the outdoor unit 200 respectively, and air exits from the front side.

Specifically, an outdoor rear air inlet 213 is provided on the back panel of the outdoor unit 200, an outdoor side air inlet 212 is provided on the left and right side panels of the outdoor unit 200, and an outdoor top air inlet 214 is provided on the top panel of the outdoor unit 200. An outdoor front air outlet 211 is provided on the front side panel of the outdoor unit 200 .

The outdoor air flows into the inner cavity of the outdoor unit 200 from the outdoor rear air inlet 213, the outdoor side air inlet 212, and the outdoor top air inlet 214. After heat exchange by the outdoor heat exchanger 230, it flows out from the outdoor front air outlet 211.

In some embodiments of the present application, the bottom of the outdoor unit 200 is provided with a bottom air inlet (not shown).

The gap between the back panel of the outdoor unit 200 and the outdoor side wall provides the possibility for air intake from the back side of the outdoor unit 200 .

The outdoor unit 200 adopts a four-sided air inlet method to increase the air inlet volume, which helps to improve the heat dissipation efficiency of the outdoor heat exchanger and improve the heat exchange efficiency of the entire machine.

Hollow-shaped air inlets are provided on the back panel and bottom panel of the outdoor unit 200, and the corresponding concave designs help reduce the weight of the outdoor unit and also help improve the structural strength of the back panel and bottom panel of the outdoor unit.

The outdoor rear air inlet 213 is directly opposite to the axial flow fan 250 in the outdoor unit, which greatly enhances the ability of the outdoor axial flow fan 250 to suck air from the outdoors when it is running, and improves the heat dissipation effect of the outdoor heat exchanger through the air flow.

The outdoor bottom air inlet can increase the air inlet volume while avoiding the problem of inhaling fallen leaves and other impurities.

In some embodiments of the present application, spacers (not shown) or adjustable bolts 260 are provided between the back panel of the outdoor unit 200 and the outdoor side wall to improve the installation stability of the outdoor unit 200 .

In some embodiments of the present application, referring to Figure 14, the outdoor unit 200 is provided with a partition structure 240. The partition structure 240 divides the inner cavity of the outdoor unit 200 into a front cavity and a rear cavity arranged front and back.

The front cavity is connected with the outdoor front air outlet 211, and the rear cavity is connected with the outdoor rear air inlet 213, the outdoor bottom air inlet, the outdoor side air inlet 212, and the outdoor top air inlet 214.

The outdoor heat exchanger 230 is located on the front side of the partition structure 240 and is located in the front cavity.

The partition structure 240 is provided with an installation opening (not labeled), and an axial flow fan 250 is provided at the installation opening. The axial flow fan 250 guides the air in the rear cavity to the front cavity, and after the heat exchanger with the outdoor heat exchanger 230, It is discharged directly from the outdoor front air outlet 211.

In some embodiments of the present application, the compressor 220 is disposed in the space between the partition structure 240 and the back plate and side plate of the outdoor unit 200, fully utilizing the internal space of the outdoor unit 200 and having a compact structure.

In some embodiments of the present application, the saddle bridge structure 300 can be telescopic, and the length of the saddle bridge structure 300 can be adjusted to adapt to walls of different thicknesses.

Figures 1 and 2 show a schematic structural diagram of the saddle bridge structure 300 when it is not stretched, and Figure 3 shows a schematic structural diagram of the saddle bridge structure 300 after stretching.

The saddle bridge structure 300 can be provided with multiple telescopic gears for easy adjustment and use.

In some embodiments of the present application, referring to Figures 3 and 4, the saddle bridge structure 300 includes an indoor saddle bridge shell 310 and an outdoor saddle bridge shell 320.

Refer to Figures 8 to 10 for the structure of the indoor saddle bridge shell 310. A first through cavity 313 is formed therein, and the indoor saddle bridge shell 310 is fixedly connected to the indoor unit 100.

Refer to Figures 11 to 13 for the structure of the outdoor saddle bridge shell 320. A second through cavity 323 is formed therein, and the outdoor saddle bridge shell 320 is fixedly connected to the outdoor unit 200.

The indoor saddle bridge shell 310 and the outdoor saddle bridge shell 320 are nested with each other to communicate the inner cavity of the indoor unit 100 with the inner cavity of the outdoor unit 200. The indoor saddle bridge shell 310 and the outdoor saddle bridge shell 320 can move relative to each other to realize saddle bridge shell 310 and the outdoor saddle bridge shell 320. Telescopicity of bridge structure 300.

In some embodiments, the outdoor saddle bridge shell 320 is set on the outside of the indoor saddle bridge shell 310, as shown in Figure 4.

In other embodiments (not shown), the indoor saddle bridge shell 310 is sleeved on the outside of the outdoor saddle bridge shell 320 .

In some embodiments of the present application, a sliding portion is provided between the indoor saddle bridge shell 310 and the outdoor saddle bridge shell 320 to make the sliding movement between the indoor saddle bridge shell 310 and the outdoor saddle bridge shell 320 more reliable and smooth.

The sliding part may be a slide rail structure, or a slideway, a slider structure, etc. provided between the two.

When the sliding part adopts the slide rail 340, in some embodiments, when the outdoor saddle bridge shell 320 is set on the outside of the indoor saddle bridge shell 310, referring to Figure 5, the outer rail 341 of the slide rail is fixed to the inner wall of the outdoor saddle bridge shell 320. Connection, the inner rail 342 of the slide rail is fixedly connected to the outer wall of the indoor saddle bridge shell 310.

In other embodiments (not shown), when the indoor saddle bridge shell 310 is set on the outside of the outdoor saddle bridge shell 320, the outer rail 341 of the slide rail is fixedly connected to the inner wall of the indoor saddle bridge shell 310, and the inner wall of the slide rail is fixedly connected to the inner wall of the indoor saddle bridge shell 310. The rail 342 is fixedly connected to the outer wall of the outdoor saddle bridge shell 320 .

In some embodiments of the present application, there are two slide rails 340 , one of which is provided between the indoor saddle bridge shell 310 and the left side wall of the outdoor saddle bridge shell 320 , and the other slide rail 340 is provided on the indoor saddle bridge shell. Between 310 and the right side wall of the outdoor saddle bridge shell 320, sliding structures are provided on both sides, making the structure more reliable.

In some embodiments of the present application, the saddle bridge structure 300 is provided with an indoor vertical portion extending downward on the side facing the indoor unit 100. The indoor vertical portion constitutes the back panel of the indoor unit 100 and is fixed to the bottom plate of the indoor unit 100. Connected, the indoor vertical part is provided with an indoor rear air inlet 113.

The saddle bridge structure 300 is provided with an outdoor vertical portion extending downward on the side facing the outdoor unit 200. The outdoor vertical portion constitutes the back panel of the outdoor unit 200 and is fixedly connected to the bottom plate of the outdoor unit 200. An outdoor rear air inlet 213 is provided.

The saddle bridge structure 300 is fixedly connected to the indoor unit 100 and the outdoor unit 200 respectively through two vertical parts, which helps to improve the structural stability between the indoor unit 100, the outdoor unit 200 and the saddle bridge structure 300.

The saddle bridge structure 300 can carry part of the weight of the indoor unit 100 and the outdoor unit 200. The weight is transferred to the window through the saddle bridge structure 300, which helps to improve the safety of the saddle-type air conditioner after installation and reduce the risk of crash. .

Regarding the specific structure of the indoor saddle bridge shell 310, in some embodiments of the present application, with reference to Figures 8 to 10, the indoor saddle bridge shell 310 includes an indoor saddle bridge L-shaped bottom plate 311 and an indoor saddle bridge cover plate 312. The indoor saddle bridge cover plate 312 is provided on the top of the transverse portion 3111 of the L-shaped bottom plate of the indoor saddle bridge, and surrounds the first through cavity 313 .

The vertical part 3112 of the L-shaped bottom plate of the indoor saddle bridge is the indoor vertical part mentioned above and constitutes the back plate of the indoor unit 100. Referring to Figure 4, the vertical part 3112 of the L-shaped bottom plate of the indoor saddle bridge is connected with the indoor unit. 100 base plate fixed connection.

The vertical portion 3112 of the L-shaped bottom plate of the indoor saddle bridge is provided with a vent, which is the indoor rear air inlet 113 .

The indoor saddle bridge reinforcing plate 314 is provided at the transition position between the horizontal part 3111 and the vertical part 3112 of the indoor saddle bridge L-shaped bottom plate, which further improves the structural strength of the indoor saddle bridge L-shaped bottom plate 3111.

Regarding the specific structure of the outdoor saddle bridge shell 320, in some embodiments of the present application, with reference to Figures 11 to 13, the outdoor saddle bridge shell 320 includes an outdoor saddle bridge L-shaped bottom plate 321 and an outdoor saddle bridge cover plate 322. The outdoor saddle bridge cover plate 322 is provided on the top of the transverse portion 3221 of the L-shaped bottom plate of the outdoor saddle bridge, and surrounds the second through cavity 323 .

The vertical part 3212 of the L-shaped bottom plate of the outdoor saddle bridge is the outdoor vertical part mentioned above and constitutes the back plate of the outdoor unit 200. Referring to Figure 14, the vertical part 3212 of the L-shaped bottom plate of the outdoor saddle bridge is connected with the outdoor unit. 200 base plate fixed connection.

The vertical part 3212 of the L-shaped bottom plate of the outdoor saddle bridge is provided with a vent, which is the outdoor rear air inlet 213.

An outdoor saddle bridge reinforcing plate 324 is provided at the transition position between the horizontal part 3221 and the vertical part 3222 of the L-shaped bottom plate of the outdoor saddle bridge, which further improves the structural strength of the L-shaped bottom plate 321 of the outdoor saddle bridge.

In some embodiments of the present application, referring to Figures 3 and 4, the saddle-type air conditioner further includes a saddle bridge shell 330, which is fixedly connected to the outer one of the indoor saddle bridge shell 310 and the outdoor saddle bridge shell 320.

When the indoor saddle bridge shell 310 and the outdoor saddle bridge shell 320 move away from each other, the saddle bridge shell 330 blocks the inner one of the indoor saddle bridge shell 310 and the outdoor saddle bridge shell 320 .

When the saddle bridge structure 300 is not stretched, referring to FIGS. 1 and 2 , the saddle bridge cover 330 covers both the indoor saddle bridge shell 310 and the outdoor saddle bridge shell 320 .

When the saddle bridge structure 300 is stretched, for example, the outdoor saddle bridge shell 320 is set on the outside of the indoor saddle bridge shell 310. Referring to Figures 3 and 4, the indoor saddle bridge shell 310 will be exposed. At this time, the saddle bridge cover 330 will The exposed indoor saddle bridge shell 310 is shielded.

Regarding the specific structure of the saddle bridge cover 330, in some embodiments of the present application, the saddle bridge cover 330 includes a saddle bridge cover top plate 331 and a saddle bridge cover side plate 332. The saddle bridge cover top plate 331 connects the saddle bridge cover 300 with The top is shielded, and the saddle bridge cover side panels 332 shield the sides of the saddle bridge structure 300 .

The side plate 332 of the saddle bridge cover has an L-shaped structure. The transverse part 3321 of the side plate of the saddle bridge cover blocks the side of the saddle bridge structure 300. The vertical part 3322 of the side plate of the saddle bridge shell is fixed to the side plate of the indoor unit 100. The connection forms a part of the side of the indoor unit 100, and at the same time realizes the fixed installation of the saddle bridge cover 330 on the indoor unit 100.

In some embodiments of the present application, with reference to Figures 3 and 7, the transverse portion 3321 of the side panel of the saddle bridge shell is provided with a raised portion 333 protruding inward. The raised portion 333 is connected with the indoor saddle bridge shell 310 and the outdoor saddle bridge shell 310. The outer one of the saddle bridge shells 320 is fixedly connected through a connector (such as a screw) to realize the positioning of the indoor saddle bridge shell 310 and the outdoor saddle bridge shell 320 after relative movement to a required position.

Taking the outdoor saddle bridge shell 320 being set on the outside of the indoor saddle bridge shell 310 as an example, after the saddle bridge structure 300 is stretched in place, the saddle bridge shell 330 and the outdoor saddle bridge shell 320 are fixedly connected. The bridge cover shells 330 are all fixedly connected to the indoor unit 100, and the outdoor saddle bridge shell 320 is fixedly connected to the outdoor unit 200, thereby achieving stop fixation of the saddle bridge structure 300 at a fixed position.

The protruding portion 333 is provided such that a depression is formed on the outer surface of the saddle bridge cover 330, and the screw is embedded in the concave structure to prevent the outer end surface of the screw from protruding from the saddle bridge cover 330 and scratching the user.

In some embodiments of the present application, the saddle bridge cover 330 also serves to install the air duct frame 900 and the indoor casing.

The side plate transverse portion 3321 of the saddle bridge cover is connected to the outdoor saddle bridge shell 321, the side plate vertical portion 3322 of the saddle bridge cover is connected to the vertical portion 3112 of the indoor saddle bridge L-shaped bottom plate, and the top of the air duct frame 900 ( Specifically, the top of the main frame 910 is connected to one end of the top plate 331 of the saddle bridge casing to fix the top of the air duct frame 900 .

Referring to Figure 3, the casing of the indoor unit also includes a circumferential panel frame 140, a top panel frame 150 located on the top of the circumferential panel frame 140, a chassis 160; a vertical portion 3112 of the L-shaped bottom plate of the indoor saddle bridge and a saddle bridge cover. The side plate vertical portions 3322 of the shell are connected to the chassis 160 respectively; the circumferential panel frame 140 is simultaneously connected to the chassis 160 and the side plate vertical portion 3322 of the saddle bridge cover; the top panel frame 150 is simultaneously connected to the circumferential panel frame 140 and the windshield. The road frame 900 (specifically, the top of the main frame 910) is connected, and each component is interconnected and connected. The structure is compact and the stability of the whole machine is improved.

In some embodiments of the present application, referring to FIG. 14 , the interior of the saddle bridge structure 300 is a through cavity, and the electrical box 600 is provided in the interior through cavity of the saddle bridge structure 300 .

The installation position of the electrical box 600 makes full use of the internal space of the saddle bridge structure 300, making the whole machine structure more compact.

In some embodiments of the present application, the electrical box 600 is placed against one side of the through cavity, and a heat exchange pipeline 800 and a drainage pipeline 710 for the air conditioner are formed between the electrical box 600 and the other side of the through cavity. of gaps.

The saddle bridge structure 300 in this embodiment not only plays the role of connecting the indoor unit 100 and the outdoor unit 00, but also plays the role of installing the electrical box 600, routing pipes, and wiring. It has multi-functional integration and a more compact structure.

In some embodiments of the present application, one side of the electrical box 600 has an inclined wall 610. The inclined wall 610 is inclined in the vertical plane to avoid the heat exchange pipeline 800 and the drainage pipeline 710 when the saddle bridge structure 300 is expanded and contracted. When the saddle bridge structure 300 expands and contracts, it interferes with the heat exchange pipeline 800 and the drainage pipeline 710 .

In some embodiments of the present application, taking the outdoor saddle bridge shell 320 being set on the outside of the indoor saddle bridge shell 310 as an example, the electrical appliance box 600 is fixedly installed on the transverse portion 3111 of the L-shaped bottom plate of the indoor saddle bridge, and the top of the electrical appliance box 600 is open. , to facilitate the installation of internal electrical components, the indoor saddle bridge cover 312 is used to seal the top opening of the electrical box 600 .

In some embodiments of the present application, a buffer sealing portion 315 is provided on the inside of the indoor saddle bridge cover 312. Referring to Figure 10, the sealing buffer portion 315 is in close contact with the top of the electrical box 600 and opens the top of the electrical box 600. The entire mouth is covered.

On the one hand, the buffer sealing portion 315 plays a vibration-absorbing role, and on the other hand, it prevents condensation water condensed on the inner wall of the saddle bridge structure 300 from dripping inside the electrical box 600 , thereby improving the waterproof performance of the electrical box 600 .

In some embodiments of the present application, referring to Figure 14, the drainage pump 700 is installed in the outdoor unit 200. The drainage pump 700 and the water tray 400 are connected through a drainage pipeline 710. The drainage pipeline 710 is along the inner cavity of the outdoor unit 200, The inner cavity of the saddle bridge structure 300 and the inner cavity of the indoor unit 100 extend.

The drainage pipeline 710 extends into the inner water tank 422 .

In some embodiments of the present application, continuing to refer to Figure 14, the compressor 220 is installed in the outdoor unit 200, and the heat exchange pipeline 800 connected between the outdoor heat exchanger 230 and the indoor heat exchanger 120 is along the inner cavity of the outdoor unit 200. , the inner cavity of the saddle bridge structure 300 and the inner cavity of the indoor unit 100 extend.

In the above description of the embodiments, specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily imagined by those skilled in the art within the technical scope disclosed by the present invention should be covered. within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims

A window air conditioner, including:

An indoor unit located on the indoor side, an outdoor unit located on the outdoor side, and a saddle bridge structure connecting the indoor unit and the outdoor unit;

It is characterized by:

An air duct frame is provided in the inner cavity of the indoor unit. The air duct frame includes a main frame and a volute tongue assembly. The volute tongue assembly is located on the top front side of the main frame and between the main frame and the main frame. An air outlet is formed, and the main frame is arranged close to the back panel of the indoor unit;

An indoor heat exchanger is provided on the front side of the main frame and below the volute tongue assembly, and a cross-flow fan is provided in the area surrounded by the indoor heat exchanger and the main frame.
The window air conditioner according to claim 1, characterized in that,

The main frame includes a vertical part and an arcuate part, the vertical part is provided at the lower part of the arcuate part, and the through-hole is provided in the area surrounded by the arcuate part and the indoor heat exchanger. flow fan;

An air outlet is formed between the volute tongue assembly and the arcuate portion.
The window air conditioner according to claim 1, characterized in that,

The volute tongue assembly includes a volute tongue strip and a volute tongue strip bracket;

The volute tongue bracket includes a volute tongue bracket main body and connecting parts provided at both ends of the volute tongue bracket body. The connecting parts are connected to the main frame, and the volute tongue bracket is provided on the volute tongue bracket. The main body of the bracket faces the side of the main frame.
The window air conditioner according to claim 3, characterized in that,

The main body of the volute tongue bracket includes a base plate located on the top side and a first flip plate provided on the base plate, and the first flip plate extends downward from the base plate;

The volute tongue strip includes a volute tongue strip and two volute tongue strips of an integrated structure, which is in a V-shaped structure. The first volute tongue strip is connected to the base plate, and the two volute tongue strips are connected to the third One flap connection.
The window air conditioner according to claim 4, characterized in that,

The two parts of the volute tongue are provided with a first abutment plate and a second abutment plate on the side facing the volute tongue bracket. The first abutment plate is along the length of the two parts of the volute tongue. Extending in the direction, the second abutment plate extends along the height direction of the two parts of the volute tongue, and a plurality of the second abutment plates are spaced along the length direction of the two parts of the volute tongue;

A plurality of limiting portions are spaced along the length direction of the first resisting plate on its side, and there is a gap between the limiting portion and the second resisting plate along the length of the first resisting plate. Limiting slots are defined in the direction;

The lower end of the first flap is inserted into the limiting groove and abuts against the first abutment plate, and the side surface of the first flap abuts against the second abutment plate.
The window air conditioner according to claim 4, characterized in that,

The base plate is also provided with a second flip plate and a third flip plate. The second flip plate and the third flip plate respectively extend obliquely downward from the base plate and in a direction away from the main frame. The third flap is located outside the second flap;

The bottom end position of the third flip plate is lower than the bottom end position of the second flip plate;

The top of the indoor heat exchanger is close to the second flap and located inside the third flap.
The window air conditioner according to any one of claims 1 to 6, characterized in that,

The indoor unit is provided with a front air inlet on the front side, a rear air inlet on the back side, and a top air outlet on the top;

The indoor heat exchanger includes a heat exchanger section 1, a heat exchanger section 2 and a heat exchanger section 3 connected in sequence;

The first section of the heat exchanger extends in the vertical direction, the second section of the heat exchanger extends obliquely downward from the bottom of the first section of the heat exchanger, and the third section of the heat exchanger extends from the bottom of the second section of the heat exchanger. Extend diagonally upward;

The first section of the heat exchanger and the second section of the heat exchanger are arranged close to the front side plate of the indoor unit, and the third section of the heat exchanger is arranged close to the back plate of the indoor unit;

The air inlet from the front side of the indoor unit flows through the first section and the second section of the heat exchanger, and the air inlet from the back side flows through the third section of the heat exchanger;

The air that has been heat exchanged through the first section of the heat exchanger, the second section of the heat exchanger and the third section of the heat exchanger is collected and flows out from the air outlet at the top;

The main frame is provided with a vent directly communicating with the rear air inlet.
The window air conditioner according to claim 7, characterized in that,

A filter is provided between the rear air inlet and the vent;

The main frame is provided with a slide structure, and the side of the indoor unit is provided with an opening. The filter is slidably mounted on the slide structure, and the filter can enter/exit through the opening.
The window air conditioner according to any one of claims 1 to 6, characterized in that,

A water receiving pan is provided below the indoor heat exchanger, and the main frame is connected to the water receiving pan;

One end of the indoor heat exchanger is provided with a first support part, and the first support part is connected to the water receiving pan and the main frame at the same time;

The other end of the indoor heat exchanger is provided with a second support part, one end of the main frame is provided with a motor gland, and the installation cavity surrounded by the motor gland is provided with a motor for driving the cross-flow fan. , the second support part is connected to the water tray and the motor gland at the same time.
The window air conditioner according to any one of claims 1 to 6, characterized in that,

The saddle bridge structure includes an indoor saddle bridge shell, an outdoor saddle bridge shell and a saddle bridge cover;

The outdoor saddle bridge shell is sleeved on the outer periphery of the indoor saddle bridge shell. The indoor saddle bridge shell and the outdoor saddle bridge shell can move relative to each other. The indoor saddle bridge shell is on the side facing the indoor unit. An indoor vertical part is provided, and the indoor vertical part constitutes the back plate of the indoor unit, and the outdoor saddle bridge shell is fixedly connected to the casing of the outdoor unit;

The saddle bridge cover has an L-shaped structure, its transverse part is fixedly connected to the outdoor saddle bridge shell at a designated position, and its vertical part is fixedly connected to the casing of the indoor unit and the indoor vertical part. The vertical part of the saddle bridge casing constitutes a part of the casing side wall of the indoor unit, and the top of the main frame is connected to the lateral part of the saddle bridge casing.