Indoor unit of air conditioner

Abstract

The utility model discloses an air conditioner indoor unit which comprises an outer shell, a total heat exchange core body, a heat exchanger and two fan assemblies, an air door is further arranged between the total heat exchange core body and the outer shell, and the air door is arranged between an inlet of an exhaust air heat exchange flow channel and an outlet of a fresh air heat exchange flow channel. The air door is configured to selectively communicate with the indoor air outlet and the indoor air return opening. The structure of the air conditioner indoor unit is simplified, and the assembling cost and the manufacturing cost are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to an air treatment equipment technical field especially relates to a kind of air conditioner indoor units. BACKGROUND

[0002] Air conditioner is the electric appliance commonly used in people's daily life, with the improvement of the requirement of user to air quality, air conditioner with fresh air function is gradually popularized and used too. Air conditioner with fresh air function is usually additionally provided with full heat exchange core, and the indoor and outdoor air is satisfied by full heat exchange core.

[0003] For example, Chinese patent publication No.CN111425939A discloses a fresh air conditioner and a control method of fresh air conditioner, which is arranged in the shell, fresh air duct, exhaust air duct, heat exchange core, fresh air heat exchanger and exhaust air heat exchanger, exhaust air fan is located in exhaust air passage for discharging indoor air to outdoor after heat exchange by full heat exchange core, and air inlet fan is located in fresh air passage for conveying outdoor air to indoor after heat exchange by full heat exchange core.

[0004] In use, exhaust air passage and fresh air passage are isolated from each other to meet the heat exchange requirement of fresh air and dirty air. When internal circulation is needed, air valve is opened to realize the use requirement of indoor air internal circulation. However, due to the need of additional new circulation air duct, it leads to complex internal structure, assembly and increased manufacturing cost. In view of this, how to design an air conditioner with simple structure and reduced assembly cost and manufacturing cost is the technical problem to be solved by the utility model.

[0005] The above information disclosed in the background is only used to increase the understanding of the background of the application, so it can include prior art known by those skilled in the art. UTILITY MODEL CONTENT

[0006] In view of the problems pointed out in the background, the utility model provides an air conditioner indoor unit to simplify the structure of air conditioner indoor unit and reduce the assembly cost and manufacturing cost.

[0007] To achieve the above utility model purposes, the utility model adopts the following technical solutions to achieve:

[0008] In some embodiments of the application, an air conditioner indoor unit is provided, comprising:

[0009] A shell is provided with indoor air outlet, indoor return air inlet, outdoor air outlet and outdoor air inlet;

[0010] The full-heat exchange core is provided with an exhaust air heat exchange flow channel and a fresh air heat exchange flow channel, and the exhaust air heat exchange flow channel and the fresh air heat exchange flow channel are in thermal conduction with each other; an exhaust air passage is formed among the indoor return air outlet, the exhaust air heat exchange flow channel and the outdoor air outlet in the shell, and a fresh air passage is formed among the outdoor air inlet, the fresh air heat exchange flow channel and the indoor air outlet in the shell;

[0011] A heat exchanger is configured to perform heat exchange treatment on the air flow flowing through the fresh air passage;

[0012] Two fan assemblies are provided, each including a mounting bracket and a fan, and the fan is arranged on the mounting bracket; one of the fan assemblies is arranged in the fresh air passage, and the other fan assembly is arranged in the exhaust air passage;

[0013] The full-heat exchange core and the shell are further provided with an air door, which is arranged between the inlet of the exhaust air heat exchange flow channel and the outlet of the fresh air heat exchange flow channel, and the air door is configured to selectively connect the indoor air outlet and the indoor return air outlet.

[0014] By arranging the air door between the inlet of the exhaust air heat exchange flow channel and the outlet of the fresh air heat exchange flow channel of the full-heat exchange core, the air door is used to control the mutual communication between the indoor return air outlet and the indoor air outlet, so that when the indoor temperature does not reach the set temperature value, the indoor return air outlet and the indoor air outlet are connected by opening the air door, so as to quickly adjust the indoor temperature, thereby improving the user experience. And since the air door is installed at the full-heat exchange core and is spaced apart from the inlet of the exhaust air heat exchange flow channel and the outlet of the fresh air heat exchange flow channel, it is not necessary to additionally increase the internal circulation air duct, thereby reducing the use amount of parts, so as to reduce the assembly cost and the manufacturing cost.

[0015] In an embodiment of the present application, the outlet side of the fresh air heat exchange flow channel of the full-heat exchange core is provided with a first spacing plate, and the other side of the outlet of the fresh air heat exchange flow channel of the full-heat exchange core is provided with a second spacing plate;

[0016] The first spacing plate and the second spacing plate are configured to space the exhaust air passage and the fresh air passage apart, the first spacing plate is arranged between the indoor air outlet and the outdoor air outlet, and the second spacing plate is further arranged between the indoor return air outlet and the indoor air outlet;

[0017] The second spacing plate is provided with a communication port, and the air door is arranged in the communication port.

[0018] The first partition plate and the second partition plate are arranged to separate the exhaust air passage and the fresh air passage at the outlet of the fresh air heat exchange passage of the total heat exchange core, meanwhile, the communication port arranged on the second partition plate can meet the mutual communication of the exhaust air passage and the fresh air passage to make the indoor return air port and the indoor outlet port communicate to realize the internal circulation, and the damper is installed at the communication port to realize the start-stop control of the internal circulation, and the damper is convenient to install and fix.

[0019] In an embodiment of the present application, the first partition plate is arranged between the side wall of the shell and the total heat exchange core.

[0020] One fan assembly is arranged on one side of the first partition plate and communicates with the indoor outlet port, and another fan assembly is arranged on the other side of the first partition plate and communicates with the outdoor outlet port.

[0021] The two fan assemblies are arranged on the same side of the shell and are separated by the first partition plate, so that the device layout inside the shell is more compact, and the compact design of the structure is realized.

[0022] In an embodiment of the present application, the shell further comprises:

[0023] A heat preservation frame is arranged on the heat preservation frame, and the heat preservation frame is arranged on the heat preservation frame.

[0024] The heat preservation frame is arranged on the inner side wall of the shell, the first connecting port is connected with the indoor outlet port, the second connecting port is connected with the indoor return air port, the third connecting port is connected with the outdoor inlet port, and the fourth connecting port is connected with the outdoor outlet port.

[0025] The first partition plate and the second partition plate are arranged between the total heat exchange core and the heat preservation frame.

[0026] By increasing the heat preservation frame in the shell, the side wall of the shell can be integrally heat preserved by the heat preservation frame to meet the heat preservation and heat insulation requirements, the heat preservation frame is a whole structure, and the gap caused by the assembled structure is avoided, and the heat preservation performance is better.

[0027] In an embodiment of the present application, the inner wall of the heat preservation frame is further provided with a positioning groove, and the end of the first partition plate is inserted into the positioning groove.

[0028] The first partition plate is arranged between the positioning groove and the total heat exchange core.

[0029] By setting the positioning groove, in the process of installing the first partition plate, the end of the first partition plate can be inserted into the positioning groove to realize the pre-assembly of the first partition plate to the shell, which can effectively reduce the screw usage amount of the first partition plate in the fixed installation, thereby improving the disassembly and assembly efficiency.

[0030] In an embodiment of the present application, the first partition plate is provided with a folded edge, the end of the first partition plate is inserted into the positioning groove, the folded edge is clamped in the clamping groove and abuts against the top plate of the shell, and the folded edge is fixedly connected to the top plate of the shell by a screw.

[0031] By setting the clamping groove on the shell, in the process of installing the first partition plate, the folded edge of the first partition plate will be clamped in the clamping groove to realize the pre-assembly of the first partition plate to the shell, and then the folded edge is fixedly installed on the top plate of the shell by a screw to realize the fixed installation of the first partition plate, which can effectively reduce the screw usage amount of the first partition plate in the fixed installation, thereby improving the disassembly and assembly efficiency.

[0032] In an embodiment of the present application, the heat preservation frame is provided with a partition plate, the partition plate is provided with a ventilation opening, the partition plate covers the inner side of the first connecting opening, the partition plate separates the first connecting opening and the second connecting opening, and the partition plate separates the heat preservation frame into a first installation area and a second installation area.

[0033] The first installation area is provided with the heat exchanger, and the second installation area is provided with the total heat exchange core and the fan assembly.

[0034] One outlet of the fan is connected to the fourth connecting opening, and the outlet of the other fan is communicated with the first installation area through the ventilation opening.

[0035] The heat exchanger is arranged between the ventilation opening and the first connecting opening.

[0036] By setting the partition plate in the heat preservation frame, the partition plate separates the heat preservation frame into two installation areas to install the related components in the shell respectively, thereby improving the assembly accuracy and assembly consistency, and more favorably improving the assembly efficiency.

[0037] In an embodiment of the present application, the second partition plate is arranged between the partition plate and the total heat exchange core.

[0038] By connecting the second partition plate between the partition plate and the total heat exchange core, the exhaust air channel and the fresh air channel are isolated at the total heat exchange core by the second partition plate, so as to ensure that the outdoor exhaust air and the indoor fresh air do not affect each other.

[0039] In an embodiment of the present application, the heat preservation frame is provided with two first mounting portions arranged oppositely, and a first filter screen is arranged between the two first mounting portions.

[0040] The first filter screen is arranged between the total heat exchange core and the indoor return air inlet.

[0041] By arranging the first filter screen, the indoor air can be effectively filtered after entering the shell, so as to protect the total heat exchange core from dust, thereby prolonging the service life of the total heat exchange core.

[0042] In an embodiment of the present application, the heat preservation frame is provided with two second mounting portions arranged oppositely, and a second filter screen is arranged between the two second mounting portions.

[0043] The second filter screen is arranged between the total heat exchange core and the outdoor air inlet.

[0044] By arranging the second filter screen, the outdoor air can be effectively filtered after entering the shell, so as to protect the total heat exchange core from dust, thereby prolonging the service life of the total heat exchange core.

[0045] Other features and advantages of the present application will become more apparent after reading the detailed description of the specific embodiments of the present application in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0046] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the accompanying drawings in the following description are some embodiments of the present application, and other accompanying drawings can be obtained by those skilled in the art without any creative labor under the premise of the accompanying drawings.

[0047] Figure 1 FIG. 1 is a structural schematic diagram of one embodiment of the air conditioner indoor unit of the present application;

[0048] Figure 2 FIG. 2 is a structural schematic diagram of another embodiment of the air conditioner indoor unit of the present application;

[0049] Figure 3 FIG. 3 is a structural schematic diagram of a third embodiment of the air conditioner indoor unit of the present application;

[0050] Figure 4 FIG. 4 is a structural schematic diagram of a fourth embodiment of the air conditioner indoor unit of the present application; Figure 1Structure diagram of a part of the indoor unit of the hollow air conditioner

[0051] Figure 5 For Figure 1 Structure diagram of a part of the indoor unit of the hollow air conditioner

[0052] Figure 6 For Figure 1 Structure diagram of a part of the indoor unit of the hollow air conditioner

[0053] Figure 7 For Figure 4 Structure diagram of the heat preservation frame

[0054] Figure 8 For Figure 4 Structure diagram of a part of the fan assembly

[0055] Figure 9 For Figure 4 Structure diagram of a part of the fan assembly

[0056] Figure 10 For Figure 6 Structure diagram of the threading plate

[0057] Reference signs:

[0058] 1, shell; 11, indoor air outlet; 12, indoor air return; 13, outdoor air outlet; 14, outdoor air inlet; 15, first partition plate; 16, second partition plate; 17, threading plate; 18, first filter screen; 19, second filter screen

[0059] 151, folded edge; 161, air door; 171, first wiring part; 172, second wiring part

[0060] 101, bearing part; 102, fixing part; 103, clamping groove

[0061] 2, full-heat exchange core

[0062] 3, fan assembly; 31, mounting bracket; 32, fan

[0063] 311, ventilation gap; 312, avoidance gap; 313, bearing matching part; 314, fixing matching part

[0064] 4, electric control box

[0065] 5, heat exchanger; 51, first mounting plate; 52, second mounting plate; 53, drainage pump

[0066] 6, heat preservation frame; 61, first connecting port; 62, second connecting port; 63, third connecting port; 64, fourth connecting port; 65, partition plate; 66, positioning groove; 67, first mounting portion; 68, second mounting portion; 69, wire slot;

[0067] 651, ventilation port. DETAILED DESCRIPTION

[0068] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0069] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0070] The terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0071] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0072] In the present application, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature, which can include direct contact between the first and second features, or indirect contact between the first and second features through another feature therebetween.

[0073] The disclosure below provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeatedly refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those skilled in the art can realize the application of other processes and / or the use of other materials.

[0074] The air conditioner indoor unit in the present application generally comprises a shell and a fan and a total heat exchange core arranged in the shell, wherein the shell is provided with two ventilation openings connected to the indoor side, and the shell is also provided with two ventilation openings connected to the outdoor side, wherein one fan inhales indoor air through the indoor ventilation opening, flows through the total heat exchange core for heat exchange, and is discharged to the outdoor through the outdoor ventilation opening, and the other fan inhales outdoor air through the outdoor ventilation opening, flows through the total heat exchange core for heat exchange, and is discharged to the indoor through the indoor ventilation opening.

[0075] As shown in Figures 1-4 An embodiment of the present application provides an air conditioner indoor unit, which comprises a shell 1, wherein the shell 1 is provided with an indoor air outlet 11, an indoor air return opening 12, an outdoor air outlet 13 and an outdoor air inlet 14, a fresh air channel is formed between the indoor air outlet 11 and the outdoor air inlet 14, and an exhaust air channel is formed between the indoor air return opening 12 and the outdoor air outlet 13.

[0076] Specifically, the shell 1 serves as a mounting body structure of the air conditioner indoor unit, and the indoor air outlet 11, the indoor air return opening 12, the outdoor air outlet 13 and the outdoor air inlet 14 are arranged on the shell 1 to meet the requirements of indoor and outdoor air flow.

[0077] Generally, the indoor air outlet 11 and the indoor air return 12 are formed on the first end surface of the shell 1, and the outdoor air outlet 13 and the outdoor air inlet 14 are formed on the second end surface of the shell 1, and the first end surface and the second end surface of the shell 1 are arranged oppositely.

[0078] The air conditioner indoor unit comprises a total heat exchange core 2 arranged in the shell 1, and the total heat exchange core 2 is configured to perform heat exchange treatment on the air flow flowing through the fresh air channel and the air flow flowing through the exhaust air channel.

[0079] Specifically, the total heat exchange core 2 is provided with an exhaust air heat exchange flow channel and a fresh air heat exchange flow channel, and the exhaust air heat exchange flow channel and the fresh air heat exchange flow channel are in thermal conduction with each other; the indoor air return 12, the exhaust air heat exchange flow channel, and the outdoor air outlet 13 form an exhaust air channel in the shell 1, and the outdoor air inlet 14, the fresh air heat exchange flow channel, and the indoor air outlet 11 form a fresh air channel in the shell 1.

[0080] A heat exchanger 5 is configured to perform heat exchange treatment on the air flow flowing through the fresh air channel.

[0081] Specifically, the heat exchanger 5 can perform heat exchange treatment on the air flow flowing through the fresh air channel, and the air flow after the heat exchange treatment is output to the indoor environment through the indoor air outlet 11.

[0082] Two fan assemblies 3 are provided, each comprising a mounting bracket 31 and a fan 32 arranged on the mounting bracket 31; one of the fan assemblies 3 is arranged in the fresh air channel, and the other of the fan assemblies 3 is arranged in the exhaust air channel.

[0083] Specifically, the two fan assemblies 3 are used to meet the driving requirements of indoor and outdoor air flow, one of the fan assemblies 3 is arranged in the fresh air channel to meet the requirement that the outdoor fresh air enters the shell 1 and is output from the indoor air outlet 11 after heat exchange through the total heat exchange core 2, and the other of the fan assemblies 3 is arranged in the exhaust air channel to meet the requirement that the indoor dirty air enters the shell 1 and is output from the outdoor air outlet 13 after heat exchange through the total heat exchange core 2.

[0084] In an embodiment of the present application, in order to improve the disassembly and assembly convenience of the fan assembly 3, the mounting mode of the fan assembly 3 is improved as follows.

[0085] As shown in FIG. 1, the air conditioner indoor unit comprises a shell 1, an indoor air outlet 11, an indoor air return 12, an outdoor air outlet 13, and an outdoor air inlet 14. Figure 6 and Figure 8As shown, the top plate of the shell 1 is provided with two sets of assembly units, each set of the assembly units comprising a bearing part 101 and a fixing part 102; the mounting bracket 31 is provided with a bearing matching part 313 and a fixing matching part 314; the bearing matching part 313 is screwlessly assembled on the bearing part 101, and the fixing matching part 314 is fixedly connected with the fixing part 102 through a screw.

[0086] Specifically, the fan 32 is fixedly installed on the top plate of the shell 1 through the mounting bracket 31, wherein the top plate of the shell 1 is provided with the bearing part 101 and the fixing part 102, and correspondingly, the mounting bracket 31 is provided with the bearing matching part 313 and the fixing matching part 314. The bearing part 101 and the bearing matching part 313 are matched to realize screwless assembly, and the fixing part 102 and the fixing matching part 314 are matched to be installed through a screw.

[0087] In this way, in the actual assembly process, the mounting bracket 31 is first installed through the cooperation of the bearing matching part 313 and the bearing part 101, and then the fixing matching part 314 is fixedly installed on the fixing part 102 through a screw.

[0088] Similarly, in the later maintenance process, the screw between the fixing part 102 and the fixing matching part 314 can be disassembled, then the bearing matching part 313 is separated from the bearing part 101, and the fan assembly 3 can be disassembled from the shell 1.

[0089] By providing two sets of assembly units on the shell 1, the bearing part 101 in the assembly unit can be screwlessly connected with the bearing matching part 313 on the mounting bracket 31, and the fixing part 102 in the assembly unit can be connected with the fixing matching part 314 on the mounting bracket 31 through a screw. In this way, in the actual assembly process, the operator can reduce the amount of screws by cooperating the bearing matching part 313 with the bearing part 101, and only a small number of screws are needed to fixedly connect the fixing part 102 and the fixing matching part 314 together, so as to complete the assembly. Similarly, in the later maintenance process, the operator only needs to disassemble a small number of screws to disassemble the fan assembly 3 from the shell 1, thereby reducing the disassembly difficulty to improve the maintenance convenience.

[0090] In an embodiment, the bearing matching part 313 is slidably arranged on the bearing part 101.

[0091] Specifically, the cooperation mode of the bearing matching part 313 and the bearing part 101 can adopt a sliding connection mode, and the specific cooperation structure can adopt a conventional sliding installation structure such as a sliding rail cooperating with a sliding groove.

[0092] In this way, in the assembling process, the bearing matching part 313 is slidably assembled to the bearing part 101, and then the fixing part 102 and the fixing matching part 314 are screwed and fixed.

[0093] In some embodiments, the manifestation entity of the fixing part 102 can be a screw hole, and the manifestation entity of the fixing matching part 314 can be a fixing hole, which will not be repeated and limited here.

[0094] In an embodiment, the bearing matching part 313 is overlapped on the bearing part 101.

[0095] Specifically, the bearing matching part 313 and the bearing part 101 can be overlapped, and the specific structure can be that the bearing matching part 313 is an overlapping plate extending out of the mounting bracket 31, and the bearing part 101 can be a hanging plate formed on the top plate of the shell 1, and the overlapping plate is overlapped on the hanging plate.

[0096] In an embodiment, the bearing matching part 313 is inserted into the bearing part 101.

[0097] Specifically, the bearing matching part 313 and the bearing part 101 can be inserted, and the specific structure can be that the bearing matching part 313 is an insertion plate extending out of the mounting bracket 31, and the bearing part 101 can be an insertion slot formed on the top plate of the shell 1, and the insertion plate is inserted into the insertion slot.

[0098] In an embodiment, in order to realize the compact design of the structure, two fan assemblies 3 are arranged side by side on one side of the shell 1.

[0099] A first partition plate 15 is arranged between the two fan assemblies 3, and the two sides of the first partition plate 15 are respectively provided with the assembling units, and the first partition plate 15 is arranged between the side wall of the shell 1 and the total heat exchange core 2.

[0100] Specifically, the two fan assemblies 3 are arranged on the same side of the shell 1, which facilitates the quick assembly of the two fan assemblies 3 in the same direction in the assembling process. Moreover, the two fan assemblies 3 are spaced apart by the first partition plate 15, so that the two fan assemblies 3 do not affect each other in the running process.

[0101] By arranging the two fan assemblies 3 on the same side of the shell 1 and spacing them apart by the first partition plate 15, the device layout inside the shell 1 is more compact, so as to realize the compact design of the structure. At the same time, the first partition plate 15 isolates the two fan assemblies 3, thereby realizing the mutual isolation of the fresh air channel and the exhaust air channel, ensuring that the air in and out of the shell 1 exchanges heat well and the air paths do not affect each other.

[0102] In an embodiment, two fan assemblies 3 are arranged side by side between the indoor air outlet 11 and the outdoor air outlet 13.

[0103] One outlet of the fan 32 is communicated with the outdoor air outlet 13, and the other outlet of the fan 32 is communicated with the indoor air outlet 11.

[0104] Specifically, the two fan assemblies 3 are arranged on the same side of the shell 1 and between the indoor air outlet 11 and the outdoor air outlet 13. In this way, the fan assembly 3 adjacent to the indoor air outlet 11 is used to drive the airflow to flow in the fresh air channel, and the fan assembly 3 adjacent to the outdoor air outlet 13 is used to drive the airflow to flow in the exhaust air channel.

[0105] By arranging the fan assembly 3 between the indoor air outlet 11 and the outdoor air outlet 13, the air output to the outdoor can be efficiently discharged to the outdoor through the outdoor air outlet 13 under the action of the corresponding fan 32, and the air output to the indoor can be efficiently delivered to the indoor under the action of the corresponding fan 32, so as to increase the air supply amount of the indoor, thereby reducing the air outlet resistance of the fan 32 and improving the air supply efficiency.

[0106] In an embodiment, the heat exchanger 5 is arranged between the indoor air outlet 11 and the outlet of the corresponding fan 32.

[0107] Specifically, the heat exchanger 5 is installed between the indoor air outlet 11 and the corresponding fan 32, so that the airflow output by the fan 32 directly blows to the heat exchanger 5.

[0108] By arranging the heat exchanger 5 between the indoor air outlet 11 and the outlet of the fan 32, the airflow output by the outlet of the fan 32 directly blows to the heat exchanger 5, thereby improving the heat exchange efficiency of the airflow and the heat exchanger 5, so as to improve the heat exchange efficiency of the air conditioner indoor unit.

[0109] In an embodiment, the shell 1 is further provided with a partition plate 65, the partition plate 65 is provided with a ventilation opening 651, the partition plate 65 covers the inner side of the indoor air outlet 11 in the interior of the shell 1, the partition plate 65 separates the indoor air outlet 11 and the indoor air return opening 12, the indoor air outlet 11 is communicated with the outlet of the corresponding fan 32 through the ventilation opening 651, and the heat exchanger 5 is located between the ventilation opening 651 and the indoor air outlet 11.

[0110] Specifically, the partition plate 65 arranged in the shell 1 can surround the space where the heat exchanger 5 is installed at the outdoor air outlet 13, so as to facilitate the installation of the heat exchanger 5 at the indoor air outlet 11 and ensure that the airflow flowing in the fresh air channel can be effectively heat-exchanged with the heat exchanger 5.

[0111] The indoor air outlet 11 and the indoor air return outlet 12 are spaced apart by the partition plate 65 in the shell 1, and meanwhile, the partition plate 65 covers the area of the indoor air outlet 11 to form a space for mounting the heat exchanger 5, so that the air flow generated by the fan 32 is blown to the heat exchanger 5 via the air vent 651 for heat exchange and then output from the indoor air outlet 11, to ensure that the air flow output from the indoor air outlet 11 obtains sufficient heat exchange, thereby improving the heat exchange efficiency.

[0112] In an embodiment, the shell 1 is further provided with a second partition plate 16; the second partition plate 16 is arranged between the partition plate 65 and the total heat exchange core 2.

[0113] Specifically, by further arranging the second partition plate 16 in the shell 1, the second partition plate 16 separates the ports adjacent to the indoor side of the exhaust air heat exchange channel and the fresh air heat exchange channel of the total heat exchange core 2 from each other, to meet the installation requirements of the total heat exchange core 2.

[0114] Among them, the corner of the total heat exchange core 2 towards the indoor side is separated by the second partition plate 16, the corner towards the fan assembly 3 side is separated by the first partition plate 15, and the other two corners of the total heat exchange core 2 can be connected to the corresponding side wall of the shell 1 in a conventional installation manner, to finally realize the mutual isolation of the exhaust air channel and the fresh air channel.

[0115] In an embodiment of the present application, as shown in Figure 5 , Figure 8 and Figure 9 To improve the air supply efficiency of the fan 32, the following structural improvements are made to the air conditioner indoor unit.

[0116] The present application provides an air conditioner indoor unit, comprising: a shell 1, wherein the shell 1 is provided with an indoor air outlet 11, an indoor air return outlet 12, an outdoor air outlet 13 and an outdoor air inlet 14, a fresh air channel is formed between the indoor air outlet 11 and the outdoor air inlet 14, and an exhaust air channel is formed between the indoor air return outlet 12 and the outdoor air outlet 13.

[0117] The air conditioner indoor unit comprises a total heat exchange core 2, wherein the total heat exchange core 2 is arranged in the shell 1, and the total heat exchange core 2 is configured to perform heat exchange treatment on the air flow flowing through the fresh air channel and the air flow flowing through the exhaust air channel.

[0118] The air conditioner indoor unit comprises a heat exchanger 5, wherein the heat exchanger 5 is configured to perform heat exchange treatment on the air flow flowing through the fresh air channel.

[0119] The air conditioner indoor unit comprises two fan assemblies 3, the fan assembly 3 comprises a mounting bracket 31 and a fan 32, the fan 32 is arranged on the mounting bracket 31; one fan assembly 3 is arranged in the fresh air channel, and the other fan assembly 3 is arranged in the exhaust air channel.

[0120] The mounting bracket 31 is spaced apart from the top plate of the shell 1, the fan 32 is provided with a centrifugal fan, and the mounting bracket 31 is further provided with a ventilation gap 311 configured to allow airflow to flow between the upper and lower surfaces of the mounting bracket 31.

[0121] Specifically, for the fan assembly 3, the fan 32 can adopt a centrifugal fan and be fixedly installed on the top of the shell 1 through the mounting bracket 31. The mounting bracket 31 is spaced apart from the top plate of the shell 1, so that the airflow entering and exiting the total heat exchange core 2 flows to the upper and lower surfaces of the mounting bracket 31 during the operation of the fan 32.

[0122] The ventilation gap 311 is arranged on the mounting bracket 31 to communicate the upper and lower spaces of the mounting bracket 31 with each other. When the two inlets of the centrifugal fan have a large difference in air intake amount during the operation of the centrifugal fan, the air in the upper and lower layers of the mounting bracket 31 can flow alternately to automatically balance the air intake amount of the two inlets of the centrifugal fan.

[0123] The ventilation gap 311 is arranged on the mounting bracket 31 to communicate the upper and lower spaces of the mounting bracket 31 with each other. When the two inlets of the centrifugal fan have a large difference in air intake amount during the operation of the centrifugal fan, the air in the upper and lower layers of the mounting bracket 31 can flow alternately to automatically balance the air intake amount of the two inlets of the centrifugal fan.

[0124] In an embodiment, the ventilation gap 311 is arranged on the outer side of the fan 32 and away from the total heat exchange core 2.

[0125] Specifically, the ventilation gap 311 is arranged close to the side wall of the shell 1, and in order to meet the requirement of the mounting bracket 31 supporting the fan 32, the ventilation gap 311 is also arranged on the outer side of the fan 32.

[0126] Since the ventilation gap 311 is close to the side wall of the shell 1 and away from the total heat exchange core 2, the area of poor ventilation close to the side wall of the shell 1 can be reduced.

[0127] The ventilation gap 311 is arranged at the position where the mounting bracket 31 is located outside the fan 32, so that there is a larger space between the ventilation gap 311 and the side wall of the shell 1 to meet the requirement of up and down ventilation of the mounting bracket 31, and at the same time, the ventilation gap 311 is away from the total heat exchange core 2, which can ensure that sufficient negative pressure is formed at the total heat exchange core 2 to accelerate the flow speed of the airflow in the total heat exchange core 2.

[0128] In an embodiment, the mounting bracket 31 is provided with an avoiding gap 312, which is arranged adjacent to the total heat exchange core 2, and the corresponding corner portion of the total heat exchange core 2 is clamped between two fans 32.

[0129] Specifically, in order to realize the requirement of compact installation of the internal components of the shell 1, the mounting bracket 31 is also provided with an avoiding gap 312, and the design of the avoiding gap 312 enables the total heat exchange core 2 to be arranged closer to the fan 32 by using the position vacated by the avoiding gap 312, so as to realize the compact design of the structure in the shell 1.

[0130] By arranging the avoiding gap 312 on the mounting bracket 31, the corner portion of the total heat exchange core 2 is inserted into the area between the two fans 32 and connected with the first spacing plate 15, so that the total heat exchange core 2 can be arranged closer to the fan 32, and the components in the shell 1 are more compactly distributed, which is more conducive to the design requirement of compact overall structure, so as to reduce the overall volume of the shell 1.

[0131] At the same time, since the total heat exchange core 2 is closer to the inlet of the fan 32, it is more conducive to improve the negative pressure at the heat exchange core to accelerate the flow speed of the airflow in the total heat exchange core 2.

[0132] In an embodiment of the present application, as shown in Figures 4-7 In order to improve the assembly efficiency of the heat preservation structure installed in the shell 1, the air conditioner indoor unit is improved in the following structure.

[0133] The air conditioner indoor unit comprises a shell 1, wherein the shell 1 is provided with an indoor air outlet 11, an indoor air return port 12, an outdoor air outlet 13 and an outdoor air inlet 14, a fresh air channel is formed between the indoor air outlet 11 and the outdoor air inlet 14, and an exhaust air channel is formed between the indoor air return port 12 and the outdoor air outlet 13.

[0134] The air conditioner indoor unit comprises a total heat exchange core 2, wherein the total heat exchange core 2 is arranged in the shell 1, and the total heat exchange core 2 is configured to perform heat exchange treatment on the airflow flowing through the fresh air channel and the airflow flowing through the exhaust air channel.

[0135] The air conditioner indoor unit comprises a heat exchanger 5, wherein the heat exchanger 5 is configured to perform heat exchange treatment on the airflow flowing through the fresh air channel.

[0136] The air conditioner indoor unit comprises two fan assemblies 3, which comprise a mounting bracket 31 and a fan 32 arranged on the mounting bracket 31; one fan assembly 3 is arranged in the fresh air channel, and the other fan assembly 3 is arranged in the exhaust air channel.

[0137] The air conditioner indoor unit comprises a heat preservation frame 6, which is provided with a first connecting port 61, a second connecting port 62, a third connecting port 63 and a fourth connecting port 64;

[0138] The heat preservation frame 6 is arranged in the shell 1 and abuts against the inner side wall of the shell 1, the first connecting port 61 is connected with the indoor air outlet 11, the second connecting port 62 is connected with the indoor air return port 12, the third connecting port 63 is connected with the outdoor air inlet 14, and the fourth connecting port 64 is connected with the outdoor air outlet 13.

[0139] Specifically, when the side wall of the shell 1 needs to be heat-preserved and insulated, the heat preservation frame 6 in an integrated structure can be placed into the shell 1, and the four walls of the heat preservation frame 6 abut against the corresponding inner side walls of the shell 1, so that the heat preservation and insulation of the four walls of the shell 1 can be realized by only placing the entire heat preservation frame 6 into the shell 1.

[0140] By adding the heat preservation frame 6 in the shell 1, the side wall of the shell 1 can be heat-preserved and insulated in an integrated manner by the heat preservation frame 6, thereby meeting the heat preservation and insulation requirements. The heat preservation frame 6 has an integrated structure, avoids gaps caused by a spliced structure, and has better heat preservation performance. The related components in the shell 1 are installed in the heat preservation frame 6, so as to improve the assembly accuracy and assembly consistency and be more conducive to improving the assembly efficiency.

[0141] In an embodiment, the heat preservation frame 6 is provided with a partition plate 65, the partition plate 65 is provided with a ventilation port 651, the partition plate 65 covers the inner side of the first connecting port 61, the partition plate 65 separates the first connecting port 61 and the second connecting port 62, and the partition plate 65 separates the heat preservation frame 6 into a first installation area and a second installation area;

[0142] The first installation area is provided with the heat exchanger 5, and the second installation area is provided with the total heat exchange core 2 and the fan assembly 3;

[0143] The outlet of one fan 32 is connected with the fourth connecting port 64, and the outlet of the other fan 32 communicates with the first installation area through the ventilation port 651;

[0144] The heat exchanger 5 is arranged between the ventilation opening 651 and the first connecting opening 61.

[0145] Specifically, since the heat preservation frame 6 is built in the shell 1, the relevant components in the shell 1 are also surrounded inside by the heat preservation frame 6. Among them, in order to realize the installation of different parts in different areas, a partition plate 65 can also be arranged in the heat preservation shelf.

[0146] The partition plate 65 is an integral structure with the heat preservation shelf, and under the action of the partition plate 65, the heat preservation frame 6 forms a first installation area and a second installation area which are spaced apart. Among them, the first installation area is used to install the heat exchanger 5, so as to satisfy that the airflow entering the room can be well heat-exchanged with the heat exchanger 5, thereby improving the efficiency of heat exchange.

[0147] By arranging the partition plate 65 in the heat preservation frame 6, the partition plate 65 separates the heat preservation frame 6 into two installation areas to respectively install the relevant components in the shell 1, so as to improve the assembly accuracy and assembly consistency, and more conducive to improving the assembly efficiency.

[0148] In an embodiment, for the second installation area, the corresponding components such as the fan assembly 3, the total heat exchange core 2 and the electric control box 4 are installed, and based on the above description in the embodiment, the first partition plate 15 and the second partition plate 16 can be arranged in the second installation area.

[0149] Specifically, the two fan assemblies 3 are arranged side by side on one side of the shell 1; the first partition plate 15 is arranged in the shell 1 and located between the two fan assemblies 3; the inner wall of the heat preservation frame 6 is further provided with a positioning groove 66, and the end of the first partition plate 15 is inserted into the positioning groove 66; and the first partition plate 15 is arranged between the positioning groove 66 and the total heat exchange core 2.

[0150] By arranging the positioning groove 66, in the process of installing the first partition plate 15, the end of the first partition plate 15 can be inserted into the positioning groove 66, so as to realize the pre-assembly of the first partition plate 15 to the shell 1, and the use amount of screws in the fixed installation of the first partition plate 15 can be effectively reduced, so as to improve the disassembly and assembly efficiency.

[0151] In an embodiment, the first partition plate 15 is provided with a folded edge 151, the end of the first partition plate 15 is inserted into the positioning groove 66, the folded edge 151 abuts against the top plate of the shell 1 and is clamped in the clamping groove 103, and the folded edge 151 is fixedly connected to the top plate of the shell 1 by screws.

[0152] Specifically, for the first partition plate 15, in order to facilitate the operator to quickly install, the end of the first partition plate 15 can be inserted into the positioning groove 66 at the same time, and the folded edge 151 is inserted into the clamping groove 103 arranged on the top plate of the shell 1, so that the positioning groove 66 and the clamping groove 103 cooperate to achieve the pre-positioning assembly of the first partition plate 15. Finally, the folded edge 151 is fixed on the top plate of the shell 1 by a single screw.

[0153] By arranging the clamping groove 103 on the shell 1, the folded edge 151 of the first partition plate 15 is clamped in the clamping groove 103 during the installation of the first partition plate 15, so as to realize the pre-assembly of the first partition plate 15 on the shell 1. Then, the folded edge 151 is fixed and installed on the top plate of the shell 1 by a screw to realize the fixed installation of the first partition plate 15. In this way, the use amount of screws during the fixed installation of the first partition plate 15 can be effectively reduced, and the disassembly and assembly efficiency is improved.

[0154] In another embodiment, for the second partition plate 16, the second partition plate 16 is arranged between the partition plate 65 and the total heat exchange core 2.

[0155] Specifically, by arranging the second partition plate 16 in the shell 1, the second partition plate 16 is connected between the partition plate 65 and the total heat exchange core 2, and then the second partition plate 16 is used to isolate the exhaust air passage and the fresh air passage at the total heat exchange core 2, so as to ensure that the outdoor exhaust air and the indoor fresh air do not affect each other.

[0156] In an embodiment, in order to prolong the service life of the total heat exchange core 2, two first mounting portions 67 are arranged on the heat preservation frame 6 in a relative arrangement, and a first filter screen 18 is arranged between the two first mounting portions 67.

[0157] The first filter screen 18 is arranged between the total heat exchange core 2 and the indoor return air inlet 12.

[0158] Specifically, the first filter screen 18 is installed and fixed by the two first mounting portions 67 formed in the heat preservation frame 6. The first filter screen 18 can filter the air input into the shell 1 from the indoor return air inlet 12, and then the filtered air enters the total heat exchange core 2.

[0159] The first mounting portion 67 can be in the form of a screw fixing or the like to assemble the first filter screen 18 in place, or can be in the form of a slot to meet the installation requirements of the first filter screen 18.

[0160] By setting the first filter screen 18, the indoor air can be effectively filtered after entering the shell 1, so as to play a dustproof protection role for the total heat exchange core, thereby improving the service life of the total heat exchange core. The first mounting portion 67 provided on the heat preservation frame 6 can conveniently mount the first filter screen 18, thereby improving the assembly convenience.

[0161] In an embodiment, the heat preservation frame 6 is provided with two second mounting portions 68 arranged oppositely, and a second filter screen 19 is arranged between the two second mounting portions 68.

[0162] The second filter screen 19 is arranged between the total heat exchange core 2 and the outdoor air inlet 14.

[0163] Specifically, after the outdoor air enters the shell 1, the air is first filtered by the second filter screen 19 and then flows into the total heat exchange core 2.

[0164] The second mounting portion 68 can be in the form of a screw fixing or the like to assemble the second filter screen 19 in place, or can be in the form of a slot or the like to meet the mounting requirements of the second filter screen 19.

[0165] By setting the second filter screen 19, the outdoor air can be effectively filtered after entering the shell 1, so as to play a dustproof protection role for the total heat exchange core, thereby improving the service life of the total heat exchange core. The second mounting portion 68 provided on the heat preservation frame 6 can conveniently mount the second filter screen 19, thereby improving the assembly convenience.

[0166] In another embodiment, in order to improve the heat exchange efficiency of the heat exchanger 5 and the airflow, a first mounting plate 51 is arranged between the first end portion of the heat exchanger 5 and the inner side wall adjacent to the heat preservation frame 6, a second mounting plate 52 is arranged between the second end portion of the heat exchanger 5 and the heat preservation frame 6, and the second mounting plate 52 is inclined towards the indoor air outlet 11 and is connected between the indoor air outlet 11 and the indoor return air inlet 12.

[0167] Specifically, the heat exchanger 5 is supported and fixed in the first mounting area by the mounting plates on both sides, and the first mounting plate 51 and the second mounting plate 52 can well fix and support the heat exchanger 5 on both sides.

[0168] In addition, the second mounting plate 52 extends to the indoor air outlet 11, and the inclined second mounting plate 52 can guide the airflow after heat exchange by the heat exchanger 5, so that the airflow can quickly flow to the indoor air outlet 11.

[0169] By setting the mounting plate at both ends of the heat exchanger 5, a relatively closed air outlet area is formed between the heat exchanger 5 and the indoor air outlet 11, and the second mounting plate 52 extends obliquely towards the indoor air outlet 11. The second mounting plate 52 can guide the airflow after heat exchange of the heat exchanger 5, so that the airflow after heat exchange can flow smoothly to the indoor air outlet 11.

[0170] In an embodiment, the housing 1 is further provided with a water collecting tray (not shown), which is located in the first mounting area and arranged below the heat exchanger 5.

[0171] Specifically, the water collecting tray is mounted in the first mounting area, and the water collecting tray and the top plate of the housing 1 form a relatively closed heat exchange cavity in the first mounting area, so that the airflow entering the heat exchange cavity can be well heat exchanged with the heat exchanger 5.

[0172] At the same time, the water collecting tray can collect defrosting water of the heat exchanger 5.

[0173] In addition, the housing 1 is further provided with a drainage pump 53, which is arranged above the water collecting tray and between the second mounting plate 52 and the partition plate 65.

[0174] By setting the water collecting tray at the bottom of the first mounting area to meet the requirement of collecting condensed water on the evaporator, and arranging the drainage pump 53 outside the second mounting plate 52, the airflow after heat exchange of the heat exchanger 5 is less blocked by the drainage pump 53 when flowing to the indoor air outlet 11, so as to reduce the air resistance at the indoor air outlet 11 and improve the air outlet efficiency.

[0175] In an embodiment of the present application, as shown in Figures 4-7 In order to realize compact design of the overall structure, the indoor air conditioner is improved and designed as follows.

[0176] The indoor air conditioner comprises a housing 1, which is provided with an indoor air outlet 11, an indoor air inlet 12, an outdoor air outlet 13 and an outdoor air inlet 14. A fresh air channel is formed between the indoor air outlet 11 and the outdoor air inlet 14, and an exhaust air channel is formed between the indoor air inlet 12 and the outdoor air outlet 13.

[0177] The indoor air conditioner comprises a full heat exchange core 2, which is arranged in the housing 1 and configured to heat exchange the airflow flowing through the fresh air channel and the airflow flowing through the exhaust air channel.

[0178] The indoor air conditioner comprises a heat exchanger 5, which is configured to heat exchange the airflow flowing through the fresh air channel.

[0179] The air conditioner indoor unit comprises two fan assemblies 3, which comprise a mounting bracket 31 and a fan 32 arranged on the mounting bracket 31; one of the fan assemblies 3 is arranged in the fresh air channel, and the other of the fan assemblies 3 is arranged in the exhaust air channel;

[0180] The first mounting area and the second mounting area are formed in the shell 1, the heat exchanger 5 is arranged in the first mounting area, the fan assembly 3 and the total heat exchange core 2 are arranged in the second mounting area, the indoor air outlet 11 communicates with the first mounting area, the indoor air return port 12, the outdoor air outlet 13 and the outdoor air inlet 14 communicate with the second mounting area, and the first mounting area extends to the indoor air return port 12 and covers part of the indoor air return port 12 inside the shell 1.

[0181] Specifically, since the heat exchanger 5 and the total heat exchange core 2 are arranged in the air conditioner indoor unit, the number of components in the shell 1 is relatively large. For the indoor air return port 12 and the indoor air outlet on the shell 1, the distance between the two needs to meet the connection requirements of the pipeline in the user's home, so the distance between the two cannot be too small. In order to make the structure more compact, part of the area of the indoor air return port 12 inside the shell 1 can be occupied to meet the installation requirements of the related components.

[0182] Specifically, the first mounting area extends to the indoor air return port 12 and covers part of the indoor air return port 12 inside the shell 1. In this way, the length of the first mounting area is further increased, so that components such as the heat exchanger 5 and the drain pump 53 can be installed in the first mounting area, and the heat exchanger 5 has a large enough heat exchange area while ensuring the compact design of the structure.

[0183] By arranging the first mounting area and the second mounting area independently in the shell 1, the first mounting area is used to meet the installation requirements of the heat exchanger 5, and at the same time, in order to meet the requirements of the compact design of the internal structure of the shell 1 and the requirements of the heat exchange area of the heat exchanger 5, the first mounting area will occupy part of the area where the indoor air return port 12 is located, so that part of the indoor air return port 12 is covered by the first mounting area, and then the area between the indoor air return port 12 and the indoor air outlet 11 can be fully utilized to increase the size of the first mounting area, so as to meet the installation requirements of the heat exchanger 5 with more heat exchange area. On the one hand, the heat exchange area of the heat exchanger 5 can be increased, and on the other hand, the requirements of the compact design of the internal structure of the shell 1 can be met, so as to reduce the overall volume of the air conditioner.

[0184] In an embodiment, based on the above embodiment, the heat preservation frame 6 is divided into the first mounting area and the second mounting area by the partition plate 65;

[0185] The heat preservation frame 6 blocks part of the indoor return air port 12 inside the shell 1.

[0186] Specifically, by adding the heat preservation frame 6 in the shell 1, on the one hand, the heat preservation frame 6 can be used to perform overall heat preservation treatment on the side wall of the shell 1 to meet the heat preservation requirement, and the heat preservation frame 6 has a whole structure to avoid gaps caused by assembly structure and has better heat preservation performance; on the other hand, the partition plate 65 in the heat preservation frame 6 divides the heat preservation frame 6 into two installation areas to respectively install related components in the shell 1, so as to improve the assembly accuracy and assembly consistency and be more conducive to improving the assembly efficiency.

[0187] In an embodiment, the ventilation area of the second connecting port 62 is smaller than the ventilation area of the indoor return air port 12.

[0188] The heat preservation frame 6 blocks part of the indoor return air port 12 inside the shell 1.

[0189] Specifically, by designing the ventilation area of the second connecting port 62 to be smaller than the ventilation area of the indoor return air port 12, the length of the first installation area inside the shell 1 can be extended by the heat preservation frame 6 to meet the installation requirement of the heat exchanger 5 and realize compact structure design.

[0190] The area of the indoor return air port 12 blocked by the heat preservation frame 6 and the total opening area ratio of the indoor return air port 12 can be obtained by test according to different air supply requirements to meet the requirement of the air return amount of the air conditioner indoor unit, and are not limited herein.

[0191] In another embodiment of the present application, as shown in Figure 6 and Figure 10 in order to realize the strong and weak current separation design of related electrical devices in the shell 1, the air conditioner indoor unit is improved in structure as follows.

[0192] The air conditioner indoor unit in an embodiment of the present application comprises a shell 1, the shell 1 is provided with an indoor air outlet 11, an indoor return air port 12, an outdoor air outlet 13 and an outdoor air inlet 14, a fresh air channel is formed between the indoor air outlet 11 and the outdoor air inlet 14, and an exhaust air channel is formed between the indoor return air port 12 and the outdoor air outlet 13; the outdoor air outlet 13 and the outdoor air inlet 14 are respectively provided with air valves (not marked).

[0193] The air conditioner indoor unit comprises a full heat exchange core 2, the full heat exchange core 2 is arranged in the shell 1, and the full heat exchange core 2 is configured to perform heat exchange treatment on airflows flowing through the fresh air channel and the exhaust air channel.

[0194] The air conditioner indoor unit comprises two fan assemblies 3, each fan assembly 3 comprising a mounting bracket 31 and a fan 32 arranged on the mounting bracket 31; one fan assembly 3 is arranged in the fresh air channel, and the other fan assembly 3 is arranged in the exhaust air channel.

[0195] The air conditioner indoor unit comprises an electric control box 4, the electric control box 4 is arranged on the shell 1, and the electric control box 4 is arranged on the shell 1.

[0196] The first wiring part 171 is arranged in the shell 1, the cable of the air valve is wired and extended through the first wiring part 171, the cable of the air valve extends into the electric control box 4 from the first end of the electric control box 4 and is electrically connected with the electric controller, the cable of the fan 32 is arranged outside the first wiring part 171 and extends into the electric control box 4 from the second end of the electric control box 4 and is electrically connected with the electric controller, and the first end and the second end of the electric control box 4 are arranged in opposite directions.

[0197] Specifically, the first wiring part 171 is arranged in the shell 1, the first wiring part 171 can form a wiring channel for the cable of the air valve, and under the action of the first wiring part 171, the cable of the air valve can be isolated from the cable of the fan 32.

[0198] In addition, the cable of the air valve and the cable of the fan 32 extend into the electric control box 4 from different ends of the electric control box 4, and the strong and weak electricity is effectively separated.

[0199] In this way, the cable of the fan 32 and the cable of the air valve can be prevented from being intertwined during wiring of the shell 1, and the strong and weak electricity can be mixed together.

[0200] Since the cables of the strong and weak electricity are isolated from each other, especially the cable of the air valve is individually wired through the first wiring part 171, the safety in use can be improved.

[0201] By arranging the first wiring part 171 in the shell 1, the cable of the air valve is individually wired through the first wiring part 171 as weak electricity, the cable of the air valve will extend into the electric control box 4 from the first end of the electric control box 4, the cable of the fan 32 will be wired outside the first wiring part 171 to be isolated from the cable of the air valve, and the cable of the fan 32 will extend into the electric control box 4 from the second end of the electric control box 4 to effectively separate the strong and weak electricity, and the safety and reliability of the air conditioner indoor unit in use can be improved.

[0202] In another embodiment of the present application, the housing 1 is provided with a first wiring portion 171 and a second wiring portion 172, which are separated from each other, the cable of the air valve is wired through the first wiring portion 171 and extends to the electric control box 4 to be electrically connected with the electric controller, and the cable of the fan 32 is wired through the second wiring portion 172 and extends to the electric control box 4 to be electrically connected with the electric controller.

[0203] Specifically, in order to simultaneously guide and protect the cables of the air valve and the fan 32, the first wiring portion 171 and the second wiring portion 172 can be provided in the housing 1 at the same time, the first wiring portion 171 and the second wiring portion 172 are completely separated, and a sufficient safety distance is left between them to avoid the influence of strong and weak current cables on each other.

[0204] By providing the first wiring portion 171 and the second wiring portion 172 in the housing 1, the cable of the air valve will be wired through the first wiring portion 171 and guided to extend into the electric control box 4, and similarly, the cable of the fan 32 will be wired through the second wiring portion 172 and guided to extend into the electric control box 4, so that the cable of the air valve and the cable of the fan 32 are separated from each other to achieve the separation of strong and weak current, on the one hand, the cable wiring in the housing 1 is more regular, on the other hand, it can avoid safety hazards caused by the crossing of strong and weak current, and improve the safety and reliability of the indoor unit of the air conditioner.

[0205] In an embodiment, the first wiring portion 171 is arranged between the total heat exchange core 2 and the top plate of the housing 1.

[0206] Specifically, the first wiring portion 171 can guide the cable of the air valve to extend and wire between the total heat exchange core 2 and the top plate of the housing 1. In this way, the space between the total heat exchange core 2 and the housing 1 can be fully utilized to wire the cable of the air valve, on the one hand, the cable of the air valve can be wired with a shorter distance to the electric control box 4, on the other hand, the total heat exchange core 2 can shield the cable of the air valve to tidy up the wire harness.

[0207] By arranging the first wiring portion 171 between the total heat exchange core 2 and the top plate of the housing 1, the space between the total heat exchange core 2 and the top plate of the housing 1 can be fully utilized for wiring, thereby the use amount of cables can be effectively saved without long-distance wiring along the side wall of the housing 1.

[0208] In an embodiment, two fan assemblies 3 are arranged side by side on one side of the housing 1.

[0209] Specifically, by arranging the two fan assemblies 3 on the same side of the shell 1, the cables of the two fans 32 can be routed together, thus simplifying the operation of routing the cables of the two fans 32 and improving the assembly efficiency.

[0210] Moreover, the two fans 32 are arranged adjacently, facilitating the routing of the cables of the fans 32 together and realizing the regular design of the wire harness of the strong current cables.

[0211] In an embodiment, the electric control box 4 is arranged in the air discharge channel, and the electric control box 4 is located at the side of the total heat exchange core 2.

[0212] Specifically, for the electric control box 4, the electric control box 4 is arranged in the air discharge channel formed in the shell 1 to utilize the space of the air discharge channel to install the electric control box 4. At the same time, the electric control box 4 is in the air discharge channel, and the heat generated by the electric controller in the electric control box 4 can be taken away by the airflow in the air discharge channel to achieve heat dissipation.

[0213] In addition, since the electric control box 4 is arranged at the side of the total heat exchange core 2, the cables of the air valve can enter the electric control box 4 after passing over the total heat exchange core 2, so as to shorten the length of the cables.

[0214] By arranging the electric control box 4 at the side of the total heat exchange core 2 and in the air discharge channel, on the one hand, the airflow in the air discharge channel is utilized to dissipate heat of the electric control box 4, and on the other hand, the cables routed over the total heat exchange core 2 can directly extend into the electric control box 4 at the side to shorten the extension length of the cables.

[0215] In an embodiment, the shell 1 is provided with a threading plate 17, and the threading plate 17 is arranged between the total heat exchange core 2 and the top plate of the shell 1.

[0216] The threading plate 17 is provided with a first routing groove, and the cable of the air valve is arranged in the first routing groove. The first routing groove is a first routing part 171.

[0217] Specifically, in order to facilitate the formation of the first routing part 171 in the shell 1, a separate threading plate 17 can be used to form the first routing part 171. The threading plate 17 is provided with a first routing groove for routing the cable of the air valve, so as to limit and guide the routing of the cable of the air valve through the first routing groove. Meanwhile, the first routing groove enables the cable of the air valve to be independent of the cable of the fan 32 and avoids the cross-contact between the cables.

[0218] During the assembly of the shell 1, the threading plate 17 is arranged against the top plate of the shell 1 and can be fixedly installed on the top plate of the shell 1 by screws. The threading plate 17 is made of insulating material to improve the routing safety of the cables.

[0219] By setting the threading plate 17 between the full heat exchange core 2 and the top plate of the shell 1, the first wiring groove is set on the threading plate 17 to meet the cable wiring requirement of the air valve, thereby realizing the function of the first wiring part 171.

[0220] In an embodiment, the second wiring groove is set on the threading plate 17, and the second wiring groove is arranged separately from the first wiring groove, and the cable of at least one of the fans 32 is arranged in the second wiring groove.

[0221] Specifically, in order to meet the wiring requirement of the cable of the fan 32 through the threading plate 17, the second wiring groove can be additionally set on the threading plate 17, and the second wiring groove is separated from the first wiring groove to realize the separation setting of strong and weak electricity.

[0222] By setting the second wiring groove separately from the first wiring groove on the threading plate 17, the second wiring groove can meet the wiring requirement of the cable of the fan 32, thereby realizing the function of the second wiring part 172.

[0223] In an embodiment, the line clamp is arranged in the first wiring groove and the second wiring groove, respectively.

[0224] Specifically, after the cable is wired in place in the first wiring groove and the second wiring groove, the line clamp can limit the cable in the wiring groove from the outside, so as to block the cable from separating from the wiring groove through the line clamp.

[0225] By setting the line clamp in the first wiring groove and the second wiring groove, the line clamp can limit the cable in the wiring groove to prevent the cable from separating from the wiring groove, thereby improving the reliability of wiring.

[0226] In an embodiment, in the case that the heat preservation frame 6 is arranged in the shell 1, the wiring groove 69 is further arranged on the heat preservation frame 6 in the second mounting area, the wiring groove 69 is arranged between the full heat exchange core 2 and the electric control box 4, and the cable of the air valve is further arranged in the wiring groove 69.

[0227] Specifically, after the cable of the air valve passes between the full heat exchange core 2 and the top plate of the shell 1, the cable is further guided to extend into the electric control box 4 through the wiring groove 69 formed on the heat preservation frame 6.

[0228] By additionally setting the wiring groove 69 on the heat preservation frame 6, the wiring groove 69 can meet the wiring of the cable of the air valve in cooperation with the first wiring part 171, thereby fully utilizing the structure of the heat preservation frame 6 to further meet the wiring requirement of the cable of the air valve, so as to improve the wiring quality of the cable.

[0229] In an embodiment of the present application, as Figures 4-6As shown, in order to meet the requirements of the air flow of the internal circulation, and simplify the structure in the shell 1 to reduce the assembly cost and manufacturing cost, the air conditioner indoor unit is improved as follows.

[0230] The air conditioner indoor unit provided in the present application comprises a shell 1, wherein the shell 1 is provided with an indoor air outlet 11, an indoor air return port 12, an outdoor air outlet 13 and an outdoor air inlet 14.

[0231] The air conditioner indoor unit comprises a total heat exchange core 2, wherein the total heat exchange core 2 is provided with an exhaust air heat exchange flow channel and a fresh air heat exchange flow channel, and the exhaust air heat exchange flow channel and the fresh air heat exchange flow channel are in heat conduction with each other; an exhaust air passage is formed among the indoor air return port 12, the exhaust air heat exchange flow channel and the outdoor air outlet 13 in the shell 1, and a fresh air passage is formed among the outdoor air inlet 14, the fresh air heat exchange flow channel and the indoor air outlet 11 in the shell 1.

[0232] The air conditioner indoor unit comprises a heat exchanger 5, wherein the heat exchanger 5 is configured to perform heat exchange treatment on the air flow flowing through the fresh air passage.

[0233] The air conditioner indoor unit comprises two fan assemblies 3, wherein each fan assembly 3 comprises a mounting bracket 31 and a fan 32, and the fan 32 is arranged on the mounting bracket 31; one fan assembly 3 is arranged in the fresh air passage, and the other fan assembly 3 is arranged in the exhaust air passage.

[0234] Among them, the air door 161 is further arranged between the inlet of the exhaust air heat exchange flow channel and the outlet of the fresh air heat exchange flow channel between the total heat exchange core 2 and the shell 1, and the air door 161 is configured to selectively communicate the indoor air outlet 11 and the indoor air return port 12.

[0235] Specifically, in order to realize that the indoor air return port 12 and the indoor air outlet 11 can be communicated with each other when the exhaust air passage and the fresh air passage are subjected to internal circulation treatment, the air door 161 is directly added between the inlet of the exhaust air heat exchange flow channel and the outlet of the fresh air heat exchange flow channel of the total heat exchange core 2.

[0236] In the closed state of the air door 161, the indoor air return port 12 and the indoor air outlet 11 are isolated, so that the exhaust air passage and the fresh air passage are isolated from each other to meet the requirements of independent indoor and outdoor air inlet and outlet, and at this time, the air valves of the outdoor air inlet 14 and the outdoor air outlet 13 are in the open state.

[0237] When internal circulation is required, the air door 161 can be opened, and the air door 161 makes the indoor air return port 12 and the indoor air outlet 11 communicated with each other at the total heat exchange core 2, and at this time, the air valves of the outdoor air inlet 14 and the outdoor air outlet 13 are in the closed state.

[0238] By setting the damper 161 between the inlet of the exhaust air heat exchange channel and the outlet of the fresh air heat exchange channel of the total heat exchange core 2, the damper 161 is used to control the mutual communication between the indoor return air outlet 12 and the indoor air outlet 11 to meet the requirement that when the indoor temperature does not reach the set temperature value, the indoor return air outlet 12 is communicated with the indoor air outlet 11 by opening the damper 161 to realize the rapid adjustment of the indoor temperature, thereby improving the user experience. Moreover, since the damper 161 is installed at the total heat exchange core 2 and spaced apart from the inlet of the exhaust air heat exchange channel and the outlet of the fresh air heat exchange channel, the internal circulation air duct does not need to be additionally increased, the use amount of parts is reduced, and the assembly cost and manufacturing cost are reduced.

[0239] In an embodiment, the outlet side of the fresh air heat exchange channel of the total heat exchange core 2 is provided with a first partition plate 15, and the other side of the outlet of the fresh air heat exchange channel of the total heat exchange core 2 is provided with a second partition plate 16.

[0240] The first partition plate 15 and the second partition plate 16 are configured to separate the exhaust air channel and the fresh air channel, the first partition plate 15 is arranged between the indoor air outlet 11 and the outdoor air outlet 13, and the second partition plate 16 is also arranged between the indoor return air outlet 12 and the indoor air outlet 11.

[0241] The second partition plate 16 is provided with a communication port, and the damper 161 is arranged in the communication port.

[0242] Specifically, the first partition plate 15 and the second partition plate 16 can meet the installation requirements of installing the total heat exchange core 2 in the shell 1 and realizing the mutual isolation of the exhaust air channel and the fresh air channel. The damper 161 is installed in the communication port on the second partition plate 16 to facilitate the installation of the damper 161 in the shell 1.

[0243] By setting the first partition plate 15 and the second partition plate 16, the total heat exchange core 2 separates the exhaust air channel and the fresh air channel at the outlet of the fresh air heat exchange channel. At the same time, the communication port provided on the second partition plate 16 can meet the mutual communication of the exhaust air channel and the fresh air channel to make the indoor return air outlet 12 and the indoor air outlet 11 communicate to realize internal circulation, and the damper 161 is installed at the communication port to realize the start and stop control of internal circulation, which facilitates the installation and fixation of the damper 161.

[0244] In the description of the above embodiments, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0245] The above merely is the specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, and all should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An air conditioner indoor unit characterized by comprising: The application relates to a full-heat exchange air conditioner, which comprises the following parts: a shell, an indoor air outlet, an indoor air return, an outdoor air outlet and an outdoor air inlet; a full-heat exchange core, which is provided with an exhaust air heat exchange flow channel and a fresh air heat exchange flow channel, and the two channels are in heat conduction with each other; an exhaust air passage is formed among the indoor air return, the exhaust air heat exchange flow channel and the outdoor air outlet in the shell, and a fresh air passage is formed among the outdoor air inlet, the fresh air heat exchange flow channel and the indoor air outlet in the shell; a heat exchanger, which is configured to perform heat exchange treatment on air flow in the fresh air passage; two fan assemblies, each of which comprises a mounting bracket and a fan, and the fan is arranged on the mounting bracket; one fan assembly is arranged in the fresh air passage, and the other fan assembly is arranged in the exhaust air passage; a damper is arranged between the inlet of the exhaust air heat exchange flow channel and the outlet of the fresh air heat exchange flow channel, and the damper is configured to selectively connect the indoor air outlet and the indoor air return. The outlet side of the fresh air heat exchange flow channel of the full-heat exchange core is provided with a first spacing plate, and the other side of the outlet of the fresh air heat exchange flow channel of the full-heat exchange core is provided with a second spacing plate. The first spacing plate and the second spacing plate are configured to separate the exhaust air passage and the fresh air passage, the first spacing plate is arranged between the indoor air outlet and the outdoor air outlet, and the second spacing plate is arranged between the indoor air return and the indoor air outlet. The second spacing plate is provided with a connecting opening, and the damper is arranged in the connecting opening. The first spacing plate is arranged between the side wall of the shell and the full-heat exchange core. One fan assembly is arranged on one side of the first spacing plate and connected with the indoor air outlet, and the other fan assembly is arranged on the other side of the first spacing plate and connected with the outdoor air outlet. 2.The indoor unit of the air conditioner according to claim 1, characterized by, The application further comprises a heat preservation frame, which is provided with a first connecting opening, a second connecting opening, a third connecting opening and a fourth connecting opening. The heat preservation frame is attached to the inner side wall of the shell, the first connecting opening is connected with the indoor air outlet, the second connecting opening is connected with the indoor air return, the third connecting opening is connected with the outdoor air inlet, and the fourth connecting opening is connected with the outdoor air outlet. The first spacing plate and the second spacing plate are arranged between the full-heat exchange core and the heat preservation frame. 3.The indoor unit of the air conditioner according to claim 2, characterized by, The inner wall of the heat preservation frame is further provided with a positioning groove, and the end of the first spacing plate is inserted into the positioning groove. The first spacing plate is arranged between the positioning groove and the full-heat exchange core. 4.The indoor unit of the air conditioner according to claim 2, characterized by, The top plate of the shell is provided with a clamping groove, the first spacing plate is provided with a folded edge, the end of the first spacing plate is inserted into the positioning groove, the folded edge is attached to the top plate of the shell and clamped in the clamping groove, and the folded edge is fixedly connected to the top plate of the shell through screws. ​ ​ ​ 5.The indoor unit of the air conditioner according to claim 4, characterized by, ​ ​ 6.The indoor unit of the air conditioner according to claim 5, characterized in that, ​ 7.The indoor unit of the air conditioner according to claim 4, characterized by, The heat preservation frame is provided with a partition plate, the partition plate is provided with a ventilation opening, the partition plate covers the inner side of the first connecting opening, the partition plate separates the first connecting opening and the second connecting opening, and the partition plate separates the heat preservation frame into a first installation area and a second installation area; The first installation area is provided with the heat exchanger, and the second installation area is provided with the total heat exchange core and the fan assembly; The outlet of one of the fans is connected with the fourth connecting opening, and the outlet of the other fan is communicated with the first installation area through the ventilation opening; The heat exchanger is arranged between the ventilation opening and the first connecting opening. 8.The indoor unit of the air conditioner according to claim 7, characterized by, The second partition plate is arranged between the partition plate and the total heat exchange core. 9.The indoor unit of the air conditioner according to claim 4, characterized by, The heat preservation frame is provided with two first installation parts arranged oppositely, and a first filter screen is arranged between the two first installation parts; The first filter screen is arranged between the total heat exchange core and the indoor return air inlet. 10.The indoor unit of the air conditioner according to claim 4, characterized by, The heat preservation frame is provided with two second installation parts arranged oppositely, and a second filter screen is arranged between the two second installation parts; The second filter screen is arranged between the total heat exchange core and the outdoor air inlet.

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