Indoor unit of air conditioner

Abstract

The utility model discloses an air conditioner indoor unit which comprises a shell, a total heat exchange core body, a heat exchanger, two fan assemblies and a heat preservation frame, and the heat preservation frame is provided with a first connecting port, a second connecting port, a third connecting port and a fourth connecting port. The heat preservation frame is arranged in the shell and attached to the inner side wall of the shell, the first connecting port is connected with the indoor air outlet, the second connecting port is connected with the indoor air return port, the third connecting port is connected with the outdoor air inlet, and the fourth connecting port is connected with the outdoor air outlet. The assembling efficiency of the air conditioner indoor unit is improved.

Description

TECHNICAL FIELD

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

[0002] Air conditioner is the electric appliance commonly used in people's daily life, along with the requirement of user to air quality, air conditioning with fresh air function is gradually promoted use too.The air conditioning 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.CN114183830A discloses a fresh air air conditioner and its control method, which is arranged with full heat exchange core, heat exchanger, exhaust fan, inlet fan, electric controller and sensor and other related components in the shell. The exhaust fan is located in the exhaust passage for discharging the indoor air to the outdoor after heat exchange by the full heat exchange core. The inlet fan is located in the fresh air passage for delivering the outdoor air to the indoor after heat exchange by the full heat exchange core.

[0004] In conventional technology, in order to insulate heat, the shell needs to be attached with insulation boards on its four sides, top plate and bottom plate. In this way, a relatively insulated cavity is formed inside the shell. However, in actual operation, the insulation boards need to be installed one by one around the inner wall of the shell, and the openings on the insulation boards also need to be adjusted to align with the air inlet and outlet openings on the shell to meet the air inlet and outlet requirements. This increases the assembly workload of the operator and reduces the assembly efficiency. Therefore, how to design an air conditioner that improves the assembly efficiency is a technical problem to be solved by the utility model.

[0005] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, 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 technology, the utility model provides an air conditioner indoor unit to improve the assembly efficiency of the air conditioner indoor unit.

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

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

[0009] A shell is provided with an indoor air outlet, an indoor return air inlet, an outdoor air outlet and an outdoor air inlet, a fresh air passage is formed between the indoor air outlet and the outdoor air inlet, and an exhaust passage is formed between the indoor return air inlet and the outdoor air outlet.

[0010] A total heat exchange core body is arranged in the shell, and the total heat exchange core body 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.

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

[0012] Two fan assemblies are arranged in the fresh air channel and the exhaust air channel, respectively.

[0013] A heat preservation frame is arranged in the shell and abuts against the inner side wall of the shell, the first connecting port is connected with the indoor air outlet, the second connecting port is connected with the indoor air return port, the third connecting port is connected with the outdoor air inlet, and the fourth connecting port is connected with the outdoor air outlet.

[0014] The heat preservation frame is arranged in the shell and abuts against the inner side wall of the shell, the first connecting port is connected with the indoor air outlet, the second connecting port is connected with the indoor air return port, the third connecting port is connected with the outdoor air inlet, and the fourth connecting port is connected with the outdoor air outlet.

[0015] By adding the heat preservation frame in the shell, the side wall of the shell can be subjected to overall heat preservation treatment through the heat preservation frame, thereby meeting the heat preservation requirement, the heat preservation frame has a whole structure, and gaps caused by a spliced structure are avoided, so that better heat preservation performance is achieved.

[0016] In an embodiment of the present application, a partition plate is arranged in the heat preservation frame, the partition plate is provided with a ventilation port, the partition plate covers the inner side of the first connecting port, the partition plate separates the first connecting port and the second connecting port, and the partition plate separates the heat preservation frame into a first mounting area and a second mounting area.

[0017] The first mounting area is provided with the heat exchanger, and the second mounting area is provided with the total heat exchange core body and the fan assemblies.

[0018] The outlet of one of the fans is connected with the fourth connecting port, and the outlet of the other fan is connected with the first mounting area through the ventilation port.

[0019] The heat exchanger is arranged between the ventilation port and the first connecting port.

[0020] By arranging the partition plate in the heat preservation frame, the heat preservation frame is separated into two mounting areas to mount the related components in the shell, so that the assembly accuracy and assembly consistency are improved, and the assembly efficiency is further improved.

[0021] In an embodiment of the present application, two fan assemblies are arranged side by side on one side of the shell;

[0022] A first partition plate is further arranged in the shell and located between the two fan assemblies;

[0023] An 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;

[0024] The first partition plate is arranged between the positioning groove and the total heat exchange core.

[0025] By arranging 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 pre-assembly of the first partition plate to the shell, and the use amount of screws in the fixed installation of the first partition plate can be effectively reduced to improve the disassembly and assembly efficiency.

[0026] In an embodiment of the present application, a folded edge is arranged on the first partition plate, the end of the first partition plate is inserted into the positioning groove, the folded edge is abutted against 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 by a screw.

[0027] By arranging the clamping groove on the shell, in the process of installing the first partition plate, the folded edge of the first partition plate is clamped in the clamping groove to realize 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 fixed installation of the first partition plate, so that the use amount of screws in the fixed installation of the first partition plate can be effectively reduced to improve the disassembly and assembly efficiency.

[0028] In an embodiment of the present application, a second partition plate is further arranged in the shell;

[0029] The second partition plate is arranged between the partition plate and the total heat exchange core.

[0030] By arranging the second partition plate in the shell, the second partition plate is connected between the partition plate and the total heat exchange core, and then the second partition plate is used to isolate the exhaust air channel and the fresh air channel at the total heat exchange core to ensure that the outdoor exhaust air and the indoor intake air do not affect each other.

[0031] In an embodiment of the present application, a communication port is arranged on the second partition plate, a damper is arranged in the communication port, the communication port is configured to communicate the indoor air outlet and the indoor return air outlet, and the damper is configured to open and close the communication port.

[0032] The exhaust passage and the fresh air passage are communicated through the communication port arranged on the second partition plate, and the opening and closing of the communication port are further controlled by the air door, so that the indoor return air outlet and the indoor air outlet are communicated with each other, so as to meet the requirement that when the indoor temperature does not reach the set temperature value, the indoor return air outlet and the indoor air outlet are communicated by opening the air door, so as to quickly adjust the indoor temperature, thereby improving the use experience of the user.

[0033] In an embodiment of the present application, the heat preservation frame is provided with two first mounting parts arranged oppositely, and a first filter screen is arranged between the two first mounting parts.

[0034] The first filter screen is arranged between the total heat exchange core and the indoor return air outlet.

[0035] By arranging the first filter screen, the indoor air can be effectively filtered after entering the shell, so as to play a dustproof protection role on the total heat exchange core, thereby improving the service life of the total heat exchange core. The first mounting part arranged on the heat preservation frame can conveniently mount the first filter screen, thereby improving the assembly convenience.

[0036] In an embodiment of the present application, the heat preservation frame is provided with two second mounting parts arranged oppositely, and a second filter screen is arranged between the two second mounting parts.

[0037] The second filter screen is arranged between the total heat exchange core and the outdoor air inlet.

[0038] By arranging the second filter screen, the outdoor air can be effectively filtered after entering the shell, so as to play a dustproof protection role on the total heat exchange core, thereby improving the service life of the total heat exchange core. The second mounting part arranged on the heat preservation frame can conveniently mount the second filter screen, thereby improving the assembly convenience.

[0039] In an embodiment of the present application, a first mounting plate is arranged between the first end part of the heat exchanger and the inner side wall adjacent to the heat preservation frame, a second mounting plate is arranged between the second end part of the heat exchanger and the heat preservation frame, and the second mounting plate is inclined towards the indoor air outlet and is connected between the indoor air outlet and the indoor return air outlet.

[0040] By arranging the mounting plates at the two end parts of the heat exchanger, a relatively closed air outlet area is formed between the heat exchanger and the indoor air outlet, and the second mounting plate is inclined towards the indoor air outlet and extends in the direction of the indoor air outlet. The second mounting plate can guide the airflow after heat exchange of the heat exchanger, so that the airflow after heat exchange can flow smoothly to the indoor air outlet.

[0041] In one embodiment of this application, the housing is further provided with a drain pump and a water receiving tray. The water receiving tray is located in the first mounting area and arranged below the heat exchanger, and the drain pump is arranged above the water receiving tray and located between the second mounting plate and the partition plate.

[0042] By setting a drip tray at the bottom of the first installation area to meet the requirements for condensate collection on the evaporator, and by arranging the drain pump on the outside of the second installation plate, the obstruction of the airflow after heat exchange by the drain pump during the flow to the indoor air outlet is reduced, thereby reducing the wind resistance at the indoor air outlet and improving the air outlet efficiency.

[0043] Other features and advantages of this utility model will become clearer after reading the detailed embodiments of this utility model in conjunction with the accompanying drawings. Attached Figure Description

[0044] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0045] Figure 1 This is one of the structural schematic diagrams of an embodiment of the indoor unit of the air conditioner in this application;

[0046] Figure 2 This is a second structural schematic diagram of an embodiment of the indoor unit of the air conditioner according to this application;

[0047] Figure 3 This is the third structural schematic diagram of an embodiment of the indoor unit of the air conditioner in this application;

[0048] Figure 4 for Figure 1 One of the partial structural diagrams of an indoor unit of a central air conditioner;

[0049] Figure 5 for Figure 1 Partial structural schematic diagram of a central air conditioning indoor unit (Part 2);

[0050] Figure 6 for Figure 1 The third partial structural diagram of a central air conditioning indoor unit;

[0051] Figure 7 for Figure 4 Schematic diagram of the central insulation frame;

[0052] Figure 8 for Figure 4 One of the structural diagrams of the central fan assembly;

[0053] Figure 9 For Figure 4 Structure diagram of the fan assembly;

[0054] Figure 10 For Figure 6 Structure diagram of the threading plate.

[0055] Reference signs:

[0056] 1, housing; 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;

[0057] 151, folded edge; 161, air door; 171, first wiring part; 172, second wiring part;

[0058] 101, bearing part; 102, fixing part; 103, clamping groove;

[0059] 2, full-heat exchange core;

[0060] 3, fan assembly; 31, mounting bracket; 32, fan;

[0061] 311, ventilation gap; 312, avoidance gap; 313, bearing matching part; 314, fixing matching part;

[0062] 4, electric control box;

[0063] 5, heat exchanger; 51, first mounting plate; 52, second mounting plate; 53, drainage pump;

[0064] 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 part; 68, second mounting part; 69, wiring slot;

[0065] 651, ventilation port. DETAILED DESCRIPTION

[0066] The technical solutions in the embodiments of the present application will be clearly and completely described 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. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0067] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0068] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0069] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0070] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0071] The disclosure below provides many different embodiments or examples for implementing different structures of the present application. For simplicity of the disclosure, the description below refers to the components of a specific example by reference number. In practice, each example can include components not expressly shown or described. Furthermore, one having ordinary skill in the art will understand that they can be deployed in other examples with different components or in different configurations. Similarly, the disclosure can be applied to other examples that do not necessarily incorporate all of the features or functionalities of the specific examples described below. Also, the disclosure provides examples of various processes and materials, but one having ordinary skill in the art will appreciate the application of other processes and / or materials.

[0072] The air conditioner indoor unit in the present application generally comprises a shell and a fan and a total heat exchange core body arranged in the shell, wherein two ventilation openings connected to the indoor side are arranged on the shell, and two ventilation openings connected to the outdoor side are also arranged on the shell, one fan inhales indoor air through the ventilation opening on the indoor side, and the air flows through the total heat exchange core body for heat exchange and is discharged to the outdoor through the ventilation opening on the outdoor side, and the other fan inhales outdoor air through the ventilation opening on the outdoor side, and the air flows through the total heat exchange core body for heat exchange and is discharged to the indoor through the ventilation opening on the indoor side.

[0073] As shown in Figures 1-4 An embodiment of the present application provides an air conditioner indoor unit, comprising: a shell 1, wherein an indoor air outlet 11, an indoor air return 12, an outdoor air outlet 13 and an outdoor air inlet 14 are arranged on the shell 1, 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 12 and the outdoor air outlet 13.

[0074] 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 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.

[0075] Generally, the indoor air outlet 11 and the indoor air return 12 are formed on a first end surface of the shell 1, and the outdoor air outlet 13 and the outdoor air inlet 14 are formed on a second end surface of the shell 1, and the first end surface and the second end surface of the shell 1 are arranged back to back.

[0076] The air conditioner indoor unit comprises a total heat exchange core body 2 arranged in the shell 1, and the total heat exchange core body 2 is configured to exchange heat between the air flow passing through the fresh air channel and the air flow passing through the exhaust air channel.

[0077] Specifically, the total heat exchange core 2 is provided with an exhaust heat exchange channel and a fresh air heat exchange channel, and the exhaust heat exchange channel and the fresh air heat exchange channel conduct heat to each other; the indoor return air vent 12, the exhaust heat exchange channel, and the outdoor air outlet 13 form an exhaust channel in the outer shell 1, and the outdoor air inlet 14, the fresh air heat exchange channel, and the indoor air outlet 11 form a fresh air channel in the outer shell 1.

[0078] Heat exchanger 5, which is configured to perform heat exchange treatment on the airflow flowing through the fresh air duct.

[0079] Specifically, the heat exchanger 5 can perform heat exchange treatment on the airflow flowing through the fresh air duct, and the heat-treated airflow will be output to the room through the indoor air outlet 11.

[0080] Two fan assemblies 3, each fan assembly 3 including a mounting bracket 31 and a fan 32, the fan 32 being mounted on the mounting bracket 31; one fan assembly 3 is disposed in the fresh air duct, and the other fan assembly 3 is disposed in the exhaust air duct.

[0081] Specifically, two fan assemblies 3 are used to meet the driving requirements of indoor and outdoor air flow. One fan assembly 3 is disposed in the fresh air duct to allow fresh outdoor air to enter the housing 1, be heated by the total heat exchange core 2, and then be output from the indoor air outlet 11. The other fan assembly 3 is disposed in the exhaust air duct to allow stale indoor air to enter the housing 1, be heated by the total heat exchange core 2, and then be output from the outdoor air outlet 13.

[0082] In one embodiment of this application, in order to improve the ease of disassembly and assembly of the fan assembly 3, the installation method of the fan assembly 3 is structurally improved as follows.

[0083] like Figure 6 and Figure 8 As shown, the top plate of the outer casing 1 is provided with two sets of assembly units, each set of assembly units including a support part 101 and a fixing part 102; the mounting bracket 31 is provided with a support mating part 313 and a fixing mating part 314; the support mating part 313 is screwlessly assembled onto the support part 101, and the fixing mating part 314 is fixedly connected to the fixing part 102 by screws.

[0084] Specifically, the fan 32 is fixedly mounted on the top plate of the housing 1 via a mounting bracket 31. The top plate of the housing 1 is provided with a support portion 101 and a fixing portion 102. Correspondingly, the mounting bracket 31 is provided with a support mating portion 313 and a fixing mating portion 314. The support portion 101 and the support mating portion 313 cooperate to achieve screwless assembly, while the fixing portion 102 and the fixing mating portion 314 cooperate to be installed using screws.

[0085] Thus, in the actual assembly process, the mounting bracket 31 is first installed by the bearing cooperation part 313 cooperating with the bearing part 101, and then the fixed cooperation part 314 is fixedly installed on the fixed part 102 by the screw.

[0086] Similarly, in the later maintenance process, the screw between the fixed part 102 and the fixed cooperation part 314 can be disassembled, then the bearing cooperation part 313 is separated from the bearing part 101, and the fan assembly 3 can be disassembled from the shell 1.

[0087] By providing two assembly units on the shell 1, the bearing part 101 in the assembly unit can satisfy the screwless connection with the bearing cooperation part 313 on the mounting bracket 31, and the fixed part 102 in the assembly unit can be connected with the fixed cooperation part 314 on the mounting bracket 31 by the screw. Thus, in the actual assembly process, the operator can reduce the amount of screws by cooperating the bearing cooperation part 313 with the bearing part 101, and only a small number of screws are needed to fixedly connect the fixed part 102 and the fixed cooperation 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.

[0088] In an embodiment, the bearing cooperation part 313 is slidably on the bearing part 101.

[0089] Specifically, the cooperation mode of the bearing cooperation 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.

[0090] Thus, in the assembly process, the bearing cooperation part 313 is slidably assembled to the bearing part 101, and then the fixed part 102 and the fixed cooperation part 314 are tightened and fixed by the screw.

[0091] In some embodiments, the performance entity of the fixed part 102 can be a screw hole, and the performance entity of the fixed cooperation part 314 can be a fixed hole, which will not be repeated and limited here.

[0092] In an embodiment, the bearing cooperation part 313 is overlapped on the bearing part 101.

[0093] Specifically, the cooperation mode of the bearing cooperation part 313 and the bearing part 101 can adopt an overlapping mode, and the specific cooperation structure can be that the bearing cooperation 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.

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

[0095] Specifically, the bearing matching part 313 and the bearing part 101 can be matched in the form of insertion. Specifically, the bearing matching part 313 is a plug plate extending out of the mounting bracket 31, and the bearing part 101 is a slot formed on the top plate of the shell 1, and the plug plate is inserted in the slot.

[0096] 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.

[0097] 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 assembly units. The first partition plate 15 is arranged between the side wall of the shell 1 and the total heat exchange core 2.

[0098] 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 during assembly. 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 during operation.

[0099] 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 layout of the devices 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, and ensuring that the air in and out of the shell 1 exchanges heat well and the air paths do not affect each other.

[0100] In an embodiment, the two fan assemblies 3 are arranged side by side between the indoor air outlet 11 and the outdoor air outlet 13.

[0101] The outlet of one of the fans 32 communicates with the outdoor air outlet 13, and the outlet of the other fan 32 communicates with the indoor air outlet 11.

[0102] Specifically, the two fan assemblies 3 are arranged on the same side of the shell 1 and located 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.

[0103] 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, reduce the air outlet resistance of the fan 32, and improve the air supply efficiency.

[0104] In an embodiment, the heat exchanger 5 is arranged between the indoor air outlet 11 and the outlet of the corresponding fan 32.

[0105] Specifically, the heat exchanger 5 is arranged 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.

[0106] 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, and improving the heat exchange efficiency of the air conditioner indoor unit.

[0107] In an embodiment, the shell 1 is further provided with a partition plate 65, the partition plate 65 is provided with an air vent 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 outlet 12, the indoor air outlet 11 is communicated with the outlet of the corresponding fan 32 through the air vent 651, and the heat exchanger 5 is located between the air vent 651 and the indoor air outlet 11.

[0108] Specifically, the partition plate 65 arranged in the shell 1 can surround a space for mounting the heat exchanger 5 at the outdoor air outlet 13, so as to facilitate mounting 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.

[0109] By arranging the partition plate 65 in the shell 1 to separate the indoor air outlet 11 and the indoor air return outlet 12, 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 airflow generated by the corresponding fan 32 blows to the heat exchanger 5 for heat exchange through the air vent 651 and is then output from the indoor air outlet 11, so as to ensure that the airflow output from the indoor air outlet 11 is sufficiently heat exchanged, thereby improving the heat exchange efficiency.

[0110] 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.

[0111] Specifically, by further setting a second partition plate 16 in the shell 1, the second partition plate 16 separates the exhaust air heat exchange channel and the fresh air heat exchange channel of the total heat exchange core 2 from each other in terms of the ports on the indoor side, so as to meet the installation requirements of the total heat exchange core 2.

[0112] Among them, in the four corners of the total heat exchange core 2, the corner 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 walls of the shell 1 in a conventional installation manner, so as to finally realize the mutual isolation of the exhaust air channel and the fresh air channel.

[0113] In an embodiment of the present application, as shown in Figure 5 、 Figure 8 and Figure 9 , in order to improve the air supply efficiency of the fan 32, the air conditioner indoor unit is improved in the following structure.

[0114] The present application provides an air conditioner indoor unit, comprising: a shell 1, wherein an indoor air outlet 11, an indoor air return port 12, an outdoor air outlet 13 and an outdoor air inlet 14 are arranged on the shell 1, 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.

[0115] 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 exchange heat between the air flow passing through the fresh air channel and the air flow passing through the exhaust air channel.

[0116] The air conditioner indoor unit comprises a heat exchanger 5, wherein the heat exchanger 5 is configured to exchange heat for the air flow passing through the fresh air channel.

[0117] The air conditioner indoor unit comprises two fan assemblies 3, wherein the fan assembly 3 comprises a mounting bracket 31 and a fan 32, the fan 32 is 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.

[0118] Among them, the mounting bracket 31 and the top plate of the shell 1 form a gap, the fan 32 is provided with a centrifugal fan, and the mounting bracket 31 is further provided with a ventilation gap 311, and the ventilation gap 311 is configured to flow between above and below the mounting bracket 31.

[0119] Specifically, for the fan assembly 3, the fan 32 can adopt a centrifugal fan and is fixedly installed on the top of the shell 1 through the mounting bracket 31. A space is formed between the mounting bracket 31 and the top plate of the shell 1, so that the air flow into and out of the total heat exchange core 2 will flow to the upper and lower surfaces of the mounting bracket 31 during the operation of the fan 32.

[0120] The ventilation gap 311 is arranged on the mounting bracket 31, and the upper and lower spaces of the mounting bracket 31 are communicated with each other through the ventilation gap 311. 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.

[0121] The ventilation gap 311 is arranged on the mounting bracket 31, and the upper and lower spaces of the mounting bracket 31 are communicated with each other through the ventilation gap 311. Thus, during the operation of the fan 32, the air flow distribution amount of the two sides of the mounting bracket 31 can be balanced, so that the two side inlets of the fan 32 can more evenly intake air, thereby improving the air supply efficiency of the fan 32.

[0122] 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.

[0123] 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 installation of the fan 32, the ventilation gap 311 is also arranged on the outer side of the fan 32.

[0124] 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 of the air flow close to the side wall of the shell 1 can be reduced.

[0125] The ventilation gap 311 is arranged on the outer side of the fan 32, so that the ventilation gap 311 has a large space between the side wall of the shell 1 to meet the requirement of the ventilation of the mounting bracket 31, and 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 air flow in the total heat exchange core 2.

[0126] In an embodiment, the mounting bracket 31 is provided with an avoiding gap 312, the avoiding gap 312 is arranged adjacent to the total heat exchange core 2, and the corresponding corner portions of the total heat exchange core 2 are clamped between the two fans 32.

[0127] Specifically, in order to realize the requirement of compact installation of the components inside the shell 1, the installation support 31 is further provided with an avoiding gap 312. The design of the avoiding gap 312 enables the full 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 inside the shell 1.

[0128] By providing the installation support 31 with the avoiding gap 312, the corner of the full heat exchange core 2 will be inserted into the area between the two fans 32 and connected with the first partition plate 15, so that the full heat exchange core 2 can be arranged closer to the fan 32, and the distribution of the components in the shell 1 is more compact, which is more conducive to the design requirement of compact overall structure, so as to reduce the overall volume of the shell 1.

[0129] At the same time, since the full 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, so as to accelerate the flow speed of the airflow in the full heat exchange core 2.

[0130] 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 inside the shell 1, the air conditioner indoor unit is improved in the following structure.

[0131] 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.

[0132] The air conditioner indoor unit comprises a full heat exchange core 2, wherein 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 the airflow flowing through the fresh air channel and the airflow flowing through the exhaust air channel.

[0133] 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.

[0134] The air conditioner indoor unit comprises two fan assemblies 3, wherein each fan assembly 3 comprises an installation support 31 and a fan 32, the fan 32 is arranged on the installation support 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.

[0135] The air conditioner indoor unit comprises a heat preservation frame 6, wherein the heat preservation frame 6 is provided with a first connecting port 61, a second connecting port 62, a third connecting port 63 and a fourth connecting port 64.

[0136] 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.

[0137] Specifically, when the side wall of the shell 1 needs to be heat-preserved and heat-insulated, the heat preservation frame 6 in an integrated structure can be arranged in 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 heat insulation of the four walls of the shell 1 can be realized by arranging the entire heat preservation frame 6 in the shell 1.

[0138] By arranging the heat preservation frame 6 in the shell 1, the side wall of the shell 1 can be heat-preserved and heat-insulated as a whole by the heat preservation frame 6, thereby meeting the heat preservation and heat 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 arranged in the heat preservation frame 6, so as to improve the assembly accuracy and consistency, and improve the assembly efficiency.

[0139] 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 mounting area and a second mounting area.

[0140] The first mounting area is provided with the heat exchanger 5, and the second mounting area is provided with the total heat exchange core 2 and the fan assembly 3.

[0141] One outlet of the fan 32 is connected with the fourth connecting port 64, and the other outlet of the fan 32 communicates with the first mounting area through the ventilation port 651.

[0142] The heat exchanger 5 is arranged between the ventilation port 651 and the first connecting port 61.

[0143] Specifically, since the heat preservation frame 6 is arranged in the shell 1, the related components in the shell 1 are also surrounded by the heat preservation frame 6. In order to realize the partitioned arrangement of different components, the partition plate 65 can also be arranged in the heat preservation frame 6.

[0144] The partition plate 65 is integrated with the heat preservation shelf, and under the action of the partition plate 65, the heat preservation frame 6 forms the first installation area and the 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 air flow entering the room can be well heat exchanged with the heat exchanger 5, thereby improving the efficiency of heat exchange.

[0145] By arranging the partition plate 65 in the heat preservation frame 6, the partition plate 65 divides the heat preservation frame 6 into two installation areas to respectively install the related components in the shell 1, so as to improve the assembly accuracy and assembly consistency, and more facilitate to improve the assembly efficiency.

[0146] In an embodiment, for the second installation area, the corresponding fan assembly 3, the total heat exchange core 2 and the electric control box 4 and other components are arranged in the second installation area, 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.

[0147] 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.

[0148] 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 fixing and installation of the first partition plate 15 can be effectively reduced, thereby improving the disassembly and assembly efficiency.

[0149] 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.

[0150] 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 at the same time, so that the positioning groove 66 and the clamping groove 103 cooperate to pre-position and assemble the first partition plate 15, and finally the folded edge 151 is fixed to the top plate of the shell 1 by a single screw.

[0151] By setting the clamping groove 103 on the shell 1, in the process of installing the first partition plate 15, the folded edge 151 of the first partition plate 15 will be clamped in the clamping groove 103 to realize the pre-assembly of the first partition plate 15 on the shell 1, and then the folded edge 151 is fixedly installed on the top plate of the shell 1 by a screw to realize the fixed installation of the first partition plate 15, so that the amount of screws used in the fixed installation of the first partition plate 15 can be effectively reduced, and the disassembly and assembly efficiency can be improved.

[0152] 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.

[0153] 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 intake air do not affect each other.

[0154] In an embodiment, in order to prolong the service life of the total heat exchange core 2, the heat preservation frame 6 is provided with two first installation parts 67 arranged oppositely, and a first filter screen 18 is arranged between the two first installation parts 67.

[0155] The first filter screen 18 is arranged between the total heat exchange core 2 and the indoor return air inlet 12.

[0156] Specifically, the first filter screen 18 is installed and fixed through the two first installation parts 67 formed in the heat preservation frame 6, and 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.

[0157] The first installation part 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 or the like to meet the installation requirements of the first filter screen 18.

[0158] By arranging the first filter screen 18, the air in the room can be effectively filtered after entering the shell 1, so as to play a dust protection role for the total heat exchange core, and thus the service life of the total heat exchange core can be improved. The first installation part 67 arranged on the heat preservation frame 6 can conveniently install the first filter screen 18, so as to improve the assembly convenience.

[0159] In an embodiment, the heat preservation frame 6 is provided with two second installation parts 68 arranged oppositely, and a second filter screen 19 is arranged between the two second installation parts 68.

[0160] The second filter screen 19 is arranged between the total heat exchange core 2 and the outdoor air inlet 14.

[0161] Specifically, after the outdoor air enters the shell 1, the outdoor air is filtered by the second filter screen 19 and then flows into the total heat exchange core 2.

[0162] The second mounting portion 68 can be in the form of a screw or the like to fix the second filter screen 19 in place, or can be in the form of a slot or the like to meet the installation requirements of the second filter screen 19.

[0163] By arranging the second filter screen 19, the outdoor air can be effectively filtered after entering the shell 1, thereby protecting the total heat exchange core from dust and prolonging the service life of the total heat exchange core. The second mounting portion 68 arranged on the heat preservation frame 6 can conveniently install the second filter screen 19, thereby improving the assembly convenience.

[0164] In another embodiment, in order to improve the heat exchange efficiency of the heat exchanger 5 and the air flow, a first mounting plate 51 is arranged between the first end 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 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 connected between the indoor air outlet 11 and the indoor air return outlet 12.

[0165] 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 effectively fix and support the heat exchanger 5 on both sides.

[0166] In addition, the second mounting plate 52 extends to the indoor air outlet 11, and the inclined second mounting plate 52 can guide the air flow after heat exchange by the heat exchanger 5, so that the air flow can quickly flow to the indoor air outlet 11.

[0167] By arranging the mounting plates 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 towards the indoor air outlet 11, so that the second mounting plate 52 can guide the air flow after heat exchange by the heat exchanger 5, so that the air flow after heat exchange can smoothly flow to the indoor air outlet 11.

[0168] In an embodiment, the shell 1 further comprises a water pan (not shown), which is arranged in the first mounting area and below the heat exchanger 5.

[0169] Specifically, the water pan is installed in the first mounting area, and the water pan and the top plate of the shell 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.

[0170] At the same time, the water pan can collect the defrosting water of the heat exchanger 5.

[0171] In addition, the shell 1 is also provided with a drainage pump 53, which is arranged above the water pan and between the second mounting plate 52 and the partition plate 65.

[0172] By arranging the water pan 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 by the heat exchanger 5 is less blocked by the drainage pump 53 during 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.

[0173] In an embodiment of the present application, as shown in Figures 4-7 In order to realize the compact design of the overall structure, the indoor air conditioner is improved and designed as follows.

[0174] The air conditioner indoor unit comprises a shell 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, and 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.

[0175] The air conditioner indoor unit comprises a full heat exchange core 2, which is arranged in the shell 1 and is configured to heat exchange the airflow flowing through the fresh air channel and the airflow flowing through the exhaust air channel;

[0176] The air conditioner indoor unit comprises a heat exchanger 5, which is configured to heat exchange the airflow flowing through the fresh air channel;

[0177] The air conditioner indoor unit comprises two fan assemblies 3, which comprise a mounting bracket 31 and a fan 32, and the fan 32 is 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;

[0178] The first installation area and the second installation area are formed in the shell 1, the heat exchanger 5 is arranged in the first installation area, the fan assembly 3 and the total heat exchange core 2 are arranged in the second installation area, the indoor air outlet 11 communicates with the first installation area, the indoor return air outlet 12, the outdoor air outlet 13 and the outdoor air inlet 14 communicate with the second installation area, and the first installation area extends to the indoor return air outlet 12 and covers part of the indoor return air outlet 12 inside the shell 1.

[0179] Specifically, because the air conditioner indoor unit is centrally installed with the heat exchanger 5 and the total heat exchange core 2, the number of components in the shell 1 is relatively large. For the indoor return air outlet 12 and the indoor water 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 return air outlet 12 inside the shell 1 can be occupied to meet the installation requirements of the related components.

[0180] Specifically, the first installation area extends to the indoor return air outlet 12 and covers part of the indoor return air outlet 12 inside the shell 1. In this way, the length of the first installation area is further increased, and components such as the heat exchanger 5 and the drainage pump 53 can be installed in the first installation area, and the heat exchanger 5 has a large enough heat exchange area while ensuring the compact design of the structure.

[0181] By arranging the first installation area and the second installation area independently in the shell 1, the first installation 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 installation area will occupy part of the area where the indoor return air outlet 12 is located, so that part of the indoor return air outlet 12 is blocked by the first installation area, and then the area between the indoor return air outlet 12 and the indoor air outlet 11 can be fully utilized to increase the size of the first installation area to meet the installation requirements of the heat exchanger 5 with more heat exchange area, which can increase the heat exchange area of the heat exchanger 5 on the one hand, and meet the requirements of the compact design of the internal structure of the shell 1 on the other hand, so as to reduce the overall volume of the air conditioner.

[0182] In an embodiment, based on the above embodiment, the heat preservation frame 6 is divided into the first installation area and the second installation area by the partition plate 65;

[0183] The heat preservation frame 6 covers part of the indoor return air outlet 12 inside the shell 1.

[0184] 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. The heat preservation frame 6 is a whole structure, avoiding the gap caused by the assembled structure, and having 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 the related components in the shell 1, so as to improve the assembly accuracy and assembly consistency, and more favorably improve the assembly efficiency.

[0185] 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.

[0186] The heat preservation frame 6 blocks part of the indoor return air port 12 inside the shell 1.

[0187] 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 the structure is compact.

[0188] 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 air return requirement of the air conditioner indoor unit.

[0189] 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 the related electrical devices in the shell 1, the air conditioner indoor unit is improved as follows.

[0190] The air conditioner indoor unit in an embodiment of the present application includes 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, the indoor air outlet 11 and the outdoor air inlet 14 form a fresh air channel, and the indoor return air port 12 and the outdoor air outlet 13 form an exhaust air channel; the outdoor air outlet 13 and the outdoor air inlet 14 are respectively provided with air valves (not marked).

[0191] The air conditioner indoor unit includes 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 the air flow passing through the fresh air channel and the air flow passing through the exhaust air channel.

[0192] 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.

[0193] 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.

[0194] 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.

[0195] 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.

[0196] 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.

[0197] 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 prevented from being mixed together.

[0198] 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.

[0199] 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 extends into the electric control box 4 from the first end of the electric control box 4, the cable of the fan 32 is wired outside the first wiring part 171 to be isolated from the cable of the air valve, and the cable of the fan 32 extends 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 is improved.

[0200] 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.

[0201] 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.

[0202] 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.

[0203] 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.

[0204] 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.

[0205] 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.

[0206] In an embodiment, two fan assemblies 3 are arranged side by side on one side of the housing 1.

[0207] 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.

[0208] 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.

[0209] 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.

[0210] 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.

[0211] 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.

[0212] 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.

[0213] 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.

[0214] 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.

[0215] 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.

[0216] 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.

[0217] 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.

[0218] 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.

[0219] 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.

[0220] 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.

[0221] In an embodiment, the line clamp is arranged in the first wiring groove and the second wiring groove, respectively.

[0222] 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.

[0223] 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.

[0224] 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.

[0225] 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.

[0226] 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.

[0227] In an embodiment of the present application, as shown in Figures 4-6As shown, in order to meet the requirements of internal circulation airflow and simplify the structure inside the casing 1 to reduce assembly and manufacturing costs, the following improvements are made to the indoor unit of the air conditioner.

[0228] The air conditioner indoor unit provided in this application includes a housing 1, on which an indoor air outlet 11, an indoor return air outlet 12, an outdoor air outlet 13, and an outdoor air inlet 14 are provided.

[0229] The indoor unit of the air conditioner includes a total heat exchange core 2, which is provided with an exhaust heat exchange channel and a fresh air heat exchange channel, and the exhaust heat exchange channel and the fresh air heat exchange channel conduct heat to each other; the indoor return air vent 12, the exhaust heat exchange channel and the outdoor air outlet vent 13 form an exhaust channel in the outer casing 1, and the outdoor air inlet vent 14, the fresh air heat exchange channel and the indoor air outlet vent 11 form a fresh air channel in the outer casing 1.

[0230] The indoor unit of the air conditioner includes a heat exchanger 5, which is configured to exchange heat with the airflow passing through the fresh air duct.

[0231] The indoor unit of the air conditioner includes two fan assemblies 3, each fan assembly 3 including a mounting bracket 31 and a fan 32, the fan 32 being mounted on the mounting bracket 31; one fan assembly 3 is disposed in the fresh air duct, and the other fan assembly 3 is disposed in the exhaust air duct.

[0232] A damper 161 is provided between the total heat exchange core 2 and the outer shell 1. The damper 161 is arranged between the inlet of the exhaust heat exchange channel and the outlet of the fresh air heat exchange channel. The damper 161 is configured to selectively connect the indoor air outlet 11 and the indoor return air outlet 12.

[0233] Specifically, in order to enable the indoor return air vent 12 and indoor air outlet 11 to be interconnected when the exhaust air duct and fresh air duct are in internal circulation, a damper 161 can be directly added 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.

[0234] When damper 161 is closed, indoor return air vent 12 and indoor air outlet vent 11 are isolated, thus isolating the exhaust duct and fresh air duct to meet the requirement of independent indoor and outdoor air intake and exhaust. At this time, the dampers of outdoor air inlet 14 and outdoor air outlet 13 are in the open state.

[0235] When internal circulation is required, the damper 161 can be opened. The damper 161 connects the indoor return air vent 12 and the indoor air outlet 11 at the total heat exchange core 2. At this time, the dampers of the outdoor air inlet 14 and the outdoor air outlet 13 are in the closed state.

[0236] By arranging 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.

[0237] 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.

[0238] The first partition plate 15 and the second partition plate 16 are configured to separate the exhaust air passage and the fresh air passage, 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.

[0239] The second partition plate 16 is provided with a communication port, and the damper 161 is arranged in the communication port.

[0240] 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 isolating the exhaust air passage and the fresh air passage from each other. 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.

[0241] By arranging the first partition plate 15 and the second partition plate 16, the total heat exchange core 2 separates the exhaust air passage and the fresh air passage at the outlet of the fresh air heat exchange channel. Meanwhile, the communication port arranged on the second partition plate 16 can meet the mutual communication of the exhaust air passage and the fresh air passage to make the indoor return air outlet 12 communicated with the indoor air outlet 11 to realize the internal circulation, and the damper 161 is installed at the communication port to realize the start-stop control of the internal circulation, thereby facilitating the installation and fixation of the damper 161.

[0242] 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.

[0243] 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 heat exchanger, which comprises the following parts: a shell, wherein an indoor air outlet, an indoor air return, an outdoor air outlet and an outdoor air inlet are arranged on the shell, a fresh air channel is formed between the indoor air outlet and the outdoor air inlet, and an exhaust air channel is formed between the indoor air return and the outdoor air outlet; a total heat exchange core arranged in the shell, which is configured to perform heat exchange treatment on air flowing through the fresh air channel and the exhaust air channel; a heat exchanger configured to perform heat exchange treatment on air flowing through the fresh air channel; two fan assemblies, each of which comprises a mounting bracket and a fan arranged on the mounting bracket, one of the fan assemblies is arranged in the fresh air channel, and the other fan assembly is arranged in the exhaust air channel; a heat preservation frame, wherein a first connecting port, a second connecting port, a third connecting port and a fourth connecting port are arranged on the heat preservation frame; the heat preservation frame is arranged in the shell and abuts against an inner side wall of the shell, the first connecting port is connected with the indoor air outlet, the second connecting port is connected with the indoor air return, the third connecting port is connected with the outdoor air inlet, and the fourth connecting port is connected with the outdoor air outlet; a partition plate arranged in the heat preservation frame, wherein a ventilation port is arranged on the partition plate, the partition plate covers an inner side of the first connecting port, the partition plate separates the first connecting port and the second connecting port, and the partition plate divides the heat preservation frame into a first mounting area and a second mounting area; the first mounting area is provided with the heat exchanger, and the second mounting area is provided with the total heat exchange core and the fan assemblies; an outlet of one of the fans is connected with the fourth connecting port, and an outlet of the other fan is communicated with the first mounting area through the ventilation port; the heat exchanger is arranged between the ventilation port and the first connecting port; the two fan assemblies are arranged side by side on one side of the shell; a first partition plate is further arranged in the shell and located between the two fan assemblies; an inner wall of the heat preservation frame is further provided with a positioning groove, an end of the first partition plate is inserted into the positioning groove; the first partition plate is arranged between the positioning groove and the total heat exchange core; a clamping groove is arranged on a top plate of the shell, a folded edge is arranged on the first partition plate, the end of the first partition plate is inserted into the positioning groove, the folded edge abuts against the top plate of the shell and is clamped in the clamping groove, and the folded edge is fixedly connected to the top plate of the shell through screws; a second partition plate is further arranged in the shell; the second partition plate is arranged between the partition plate and the total heat exchange core; a communication port is arranged on the second partition plate, a damper is arranged in the communication port, the communication port is configured to communicate the indoor air outlet and the indoor air return, and the damper is configured to open and close the communication port; two first mounting parts are arranged on the heat preservation frame in a relative arrangement, and a first filter screen is arranged between the two first mounting parts. ​ ​ ​ ​ ​ ​ 2.The indoor unit of the air conditioner according to claim 1, characterized by, ​ ​ ​ ​ 3.The indoor unit of the air conditioner according to claim 2, characterized by, ​ ​ ​ ​ 4.The indoor unit of the air conditioner according to claim 3, characterized by, ​ 5.The indoor unit of the air conditioner according to claim 2, characterized in that, ​ ​ 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 2, characterized by, ​ The first filter screen is arranged between the full-heat exchange core and the indoor return air inlet. 8.The indoor unit of the air conditioner according to claim 2, characterized by, Two second mounting parts are oppositely arranged on the heat preservation frame, and a second filter screen is arranged between the two second mounting parts. The second filter screen is arranged between the full-heat exchange core and the outdoor air inlet. 9.The indoor unit of the air conditioner according to claim 2, characterized by, A first mounting plate is arranged between the first end of the heat exchanger and the inner side wall of the heat preservation frame adjacent to the first end, and a second mounting plate is arranged between the second end of the heat exchanger and the heat preservation frame, and the second mounting plate is inclined towards the indoor air outlet and is connected between the indoor air outlet and the indoor return air inlet. 10.The indoor unit of the air conditioner according to claim 9, characterized by, A drain pump and a water collecting tray are further arranged in the shell, the water collecting tray is arranged below the heat exchanger in the first mounting area, and the drain pump is arranged above the water collecting tray and between the second mounting plate and the partition plate.

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