Indoor units and air conditioners

Abstract

This disclosure provides an air conditioner, comprising: a left side panel and a right side panel distributed left and right, a base plate fixedly connected to the bottom of the left side panel and the right side panel, a fan assembly mounted on the base plate, a heat exchanger cavity, and an electrical box assembly; the heat exchanger cavity is arranged in a front-to-back direction, with the front side of the heat exchanger cavity being the air outlet direction; the electrical box assembly is fixedly connected to the inner wall of the left side panel via a hinge assembly, and is fixedly arranged on the front side of the heat exchanger cavity along the air outlet direction; the fan assembly is located on the right side of the heat exchanger cavity, and the top, front, and rear sides of the fan assembly are not covered by a shell; the fixed end of the hinge assembly is connected to the left side panel, and the movable end of the hinge assembly is connected to the left side wall of the electrical box assembly, for driving the electrical box assembly to rotate within a preset angle range around the axis of the hinge assembly, so as to perform maintenance on the electrical box assembly and the water pump assembly located below it through the air outlet.

Description

Technical Field

[0001] This disclosure relates to the field of air conditioner technology, and more particularly to an indoor unit and an air conditioner. Background Technology

[0002] In the central air conditioning sector, ducted air conditioners, as the mainstream type of indoor unit terminal, hold a significant position in the market due to their aesthetically pleasing installation and space-saving advantages. Especially in recent years, the trend of designing entire air vents has gained popularity. This style better highlights the simplicity and grandeur of a space, perfectly aligning with the aesthetic demands of younger consumers who pursue fashion and simplicity, leading to a continuous increase in the market acceptance and popularity of ducted air conditioners.

[0003] In the installation of ducted air conditioning units, the traditional side-out, bottom-return method is widely used. However, some ducted air conditioning units are beginning to use a side-out, side-return method instead of the traditional side-out, bottom-return method when installing the air outlets. This shift not only reduces installation costs to some extent but also further optimizes the installation effect, making the overall layout simpler and more aesthetically pleasing, and improving the visual harmony of the interior space.

[0004] However, return air vents installed using the traditional side-out, bottom-return configuration typically also function as inspection ports, allowing maintenance personnel to inspect and maintain internal components. When ducted air handling units are installed using a side-out, side-return configuration, the return air grille is eliminated, and the inspection function of the original return air vent is lost. This directly leads to difficulties in unit maintenance. If a malfunction occurs within the unit requiring repair, maintenance personnel often need to disassemble more components, or even damage parts of the structural integrity, significantly impacting the convenience and efficiency of maintenance.

[0005] Against this backdrop, how to design a reasonable structure for side-discharge and side-return duct air handling units to solve maintenance problems has become an urgent issue to be addressed in the industry. Utility Model Content

[0006] In view of this, in order to solve the technical problem of high maintenance difficulty caused by the large and tall air conditioner casing and large fan volume in the prior art, this disclosure provides an indoor unit and an air conditioner.

[0007] According to a first aspect of the present disclosure, an indoor unit is provided, the indoor unit comprising: a left side panel, a right side panel, and a bottom panel, the right side panel being disposed opposite to the left side panel; the bottom panel being fixedly connected between the left side panel and the right side panel, located at the bottom of the left side panel and the right side panel; a fan component, a heat exchanger cavity, and an electrical box component are mounted on the top of the bottom panel, the heat exchanger cavity being arranged in a front-to-back direction, the front side of the heat exchanger cavity being the air outlet direction; the electrical box component is connected to the inner wall of the left side panel via a hinge assembly, the electrical box component being arranged in the front side of the heat exchanger cavity along the air outlet direction; the fan component is located on the right side of the heat exchanger cavity, the top, front, and rear sides of the fan component are not covered by a housing; the fixed end of the hinge assembly is connected to the left side panel, and the movable end of the hinge assembly is connected to the left side wall of the electrical box component, for driving the electrical box component to rotate within a preset angle range around the axis of the hinge assembly, so as to perform maintenance on the electrical box component and the water pump component located below the electrical box component through the air outlet.

[0008] In one alternative implementation,

[0009] The front side of the electrical box component is provided with an electrical box cover, and the edge of the electrical box cover is detachably connected to the front side wall of the electrical box component.

[0010] When the controller motherboard is damaged, the controller motherboard can be repaired directly after opening the electrical box cover (technical effect).

[0011] In one alternative implementation,

[0012] The water pump component is connected to the base plate and located directly below the electrical box component; when the water pump component is damaged, the electrical box component is rotated to a first preset angle through the hinge assembly, so that the water pump component is fully exposed at the air outlet, for direct disassembly of the water pump component for repair.

[0013] In one alternative implementation,

[0014] The electrical box component contains a controller motherboard, and a heat dissipation module is located on the rear side of the controller motherboard; an evaporator component is located on the front side of the heat exchanger cavity, and the pipes of the evaporator component are arranged in the vertical direction; the heat dissipation module is located directly in front of the pipes of the evaporator component, and a preset gap is left between it and the cavity of the evaporator component. During cooling, the heat dissipation module is used to exchange heat with the cold cavity of the unit through the preset gap to achieve cooling.

[0015] In one alternative implementation,

[0016] The electrical box component is arranged in the front of the evaporator component in the front-back direction. The heat dissipation module of the controller main board is arranged opposite to the front side wall of the heat exchanger cavity, and a heat exchange channel is formed between the two. During unit maintenance, the electrical box component can be rotated to directly disassemble the electrical box main board from the air outlet.

[0017] In one alternative implementation,

[0018] The fan components include a volute, a motor and fan blades installed in the volute, and the volute includes a right volute, with a preset horizontal distance between the right side wall of the right volute and the inner side wall of the right side plate.

[0019] In one alternative implementation,

[0020] The upper surface of the base plate is provided with a motor bracket, which is located on the left side of the fan component. A groove structure extending in the front-to-back direction is provided between the motor bracket and the bottom of the electrical box component. The groove structure has a groove width for the motor cable to be routed to the controller motherboard. A through-hole is provided at the end of the groove structure near the controller motherboard, corresponding to the position of the controller motherboard. The through-hole passes through the base plate and is used for the pipeline cable to pass through and connect to the controller motherboard.

[0021] In one alternative implementation,

[0022] A cover plate is fastened to the top of the groove structure, and the edge of the cover plate is attached to the upper surface of the base plate to cover the groove and keep the base plate flat. The bottom of the motor bracket is provided with a fixing hole, which is located in the middle section of the groove structure along the length direction and is within the operable range. The motor bracket is fixed to the base plate by fasteners passing through the fixing hole.

[0023] In one alternative implementation,

[0024] The rear surface of the controller motherboard is covered with sound-absorbing cotton, and the edge of the sound-absorbing cotton is aligned with the edge of the controller motherboard.

[0025] This disclosure also provides an air conditioner, including the indoor unit described above.

[0026] The technical solutions provided by the embodiments of this disclosure can include the following beneficial effects: In this disclosure, a fan component, a heat exchanger cavity, and an electrical box component are installed above the base plate. The heat exchanger cavity is arranged along the front-to-back direction, with its front side facing the air outlet direction; the electrical box component is connected to the inner wall of the left side plate via a hinge assembly and is arranged along the air outlet direction on the front side of the heat exchanger cavity; the fan component is located on the right side of the heat exchanger cavity, and the top, front, and rear sides of the fan component are not covered by a shell; the fixed end of the hinge assembly is connected to the left side plate, and the movable end is connected to the left side wall of the electrical box component. This connection method allows the hinge assembly to drive the electrical box component to rotate around its own axis within a preset angle range, thereby enabling maintenance of the electrical box component and the water pump component located below it through the air outlet. In this way, since the electrical box component is located on the front side of the heat exchanger cavity along the air outlet direction and can rotate within a preset angle range via the hinge assembly, staff can directly perform maintenance operations on the electrical box component and the water pump component located below it from the air outlet, without the need for an additional access panel. This significantly reduces the difficulty of unit maintenance and improves maintenance efficiency. At the same time, the top, front, and rear sides of the fan component are unobstructed by the casing, which effectively improves the smoothness of the return air duct, thereby improving the heat exchange efficiency of the indoor unit. Furthermore, since there is no need to set up an additional return air grille as an access panel like in traditional side-out and bottom-return ducted air conditioners, the use of related components is reduced, installation costs are lowered, and the installation effect is also simpler and more aesthetically pleasing.

[0027] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this disclosure. Attached Figure Description

[0028] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with the present invention and, together with the description, serve to explain the principles of the present invention.

[0029] 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, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] One or more embodiments are illustrated by way of example with reference numerals in the accompanying drawings. These illustrations do not constitute a limitation on the embodiments. Elements with the same reference numerals in the drawings are denoted as similar elements. Unless otherwise stated, the figures in the drawings are not to be limited by scale.

[0031] Figure 1 This is a schematic diagram of the axonometric structure of a duct machine according to an exemplary embodiment;

[0032] Figure 2 This is a schematic diagram of the wiring structure of an electrical box according to an exemplary embodiment;

[0033] Figure 3 This is a schematic diagram of the structure of a rotating component according to an exemplary embodiment;

[0034] Figure 4 This is a schematic diagram of the layout structure of the heat dissipation module of an electrical box component according to an exemplary embodiment;

[0035] Figure 5 This is a schematic diagram illustrating the maintenance status of the electrical box component and the water pump component according to an exemplary embodiment;

[0036] Figure 6 This is a schematic cross-sectional view of the entire machine according to an exemplary embodiment;

[0037] Figure 7 This illustrates the air outlet principle of a side-out, side-return installation method according to an exemplary embodiment;

[0038] Figure 8 This is a schematic diagram of the exploded structure of an electrical box component according to an exemplary embodiment.

[0039] in:

[0040] 1. Left side panel; 2. Right side panel; 3. Base plate; 4. Fan assembly; 5. Heat exchanger cavity; 6. Electrical box assembly; 61. Controller main board; 62. Heat dissipation module; 63. Evaporator assembly; 7. Hinge assembly; 8. Water pump assembly; 10. Motor bracket; 101. Fixing hole; 11. Cover plate; 12. Sound insulation cotton; 13. Groove structure; 131. Wiring hole; 14. Fixing plate; L, Distance between the right volute of the fan assembly and the right side panel. Detailed Implementation

[0041] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0042] The following disclosure provides numerous different embodiments or examples for implementing various aspects of the present invention. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the scope of the invention. Furthermore, reference numerals and / or letters may be repeated in different examples. Such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed.

[0043] For ease of description, spatial relative terms may be used in the text to describe the relative position or movement of one element or feature relative to another element or feature, as shown in the figure. These relative terms include, for example, "inside," "outside," "middle," "outer," "below," "below," "above," "front," "back," etc. Such spatial relative terms are intended to include different orientations of the device in use or operation, other than those depicted in the figure. For example, if the device in the figure undergoes a positional flip, orientation change, or change of motion, these directional indications will change accordingly. For instance, an element described as "below other elements or features" or "below other elements or features" will subsequently be oriented "above other elements or features" or "above other elements or features." Therefore, the example term "below" can include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions), and the spatial relative descriptors used in the text will be interpreted accordingly.

[0044] It should be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of this application. Therefore, the drawings only show the components related to this application and are not drawn according to the actual number, shape and size of the components in the actual implementation. In the actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0045] The embodiments of this application will be described below with reference to the accompanying drawings and preferred embodiments. Those skilled in the art can easily understand other advantages and effects of this application from the content disclosed in this specification. This application can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this application. It should be understood that the preferred embodiments are only for illustrating this application and are not intended to limit the scope of protection of this application.

[0046] Traditionally installed return air vents with a side-out, bottom-return configuration often also function as inspection ports, allowing maintenance personnel to inspect and maintain internal components. However, when ducted air handling units are installed with a side-out, side-return configuration, the return air grille is eliminated, and the inspection function of the return air vent is lost. This directly leads to difficulties in unit maintenance. If a malfunction occurs within the unit requiring repair, maintenance personnel often need to disassemble more components, or even damage parts of the structural integrity, significantly impacting the convenience and efficiency of maintenance.

[0047] To alleviate the above problems, this disclosure provides an indoor unit, including: a left side panel 1, a right side panel 2, and a bottom panel 3. The right side panel 2 is disposed opposite to the left side panel 1, and the left side panel 1 and right side panel 2 are distributed left and right. The bottom panel 3 is fixedly connected between the left side panel 1 and the right side panel 2, and is located at the bottom of the left side panel 1 and the right side panel 2. A fan component 4, a heat exchanger cavity 5, and an electrical box component 6 are installed on the top of the bottom panel 3. The heat exchanger cavity 5 is arranged in a front-to-back direction, and the front side of the heat exchanger cavity 5 is the air outlet direction. The electrical box component 6 is connected to the left side panel 1 via a hinge assembly 7. The electrical box component 6 is located on the front side of the heat exchanger cavity 5 along the air outlet direction, with the inner wall connected. The fan component 4 is located on the right side of the heat exchanger cavity 5, and the top, front, and rear sides of the fan component 4 are not covered by a shell. The fixed end of the hinge assembly 7 is connected to the left side plate 1, and the movable end of the hinge assembly 7 is connected to the left side wall of the electrical box component 6. The hinge assembly 7 is used to drive the electrical box component 6 to rotate around the axis of the hinge assembly 7 within a preset angle range, so as to perform maintenance on the electrical box component 6 and the water pump component 8 located below the electrical box component 6 through the air outlet.

[0048] For example, the preset angle range can be 0°-180°.

[0049] For example, the specific connection method between the left side plate 1, the right side plate 2 and the bottom plate 3 can be bolt connection or snap-fit ​​connection.

[0050] For example, the unobstructed area of ​​wind turbine component 4 can be considered as one where there are no other structural components obstructing it under maintenance requirements.

[0051] Thus, a fan assembly 4, a heat exchanger cavity 5, and an electrical box assembly 6 are installed above the base plate 3. The heat exchanger cavity 5 is arranged along the front-to-back direction, with its front side facing the air outlet direction. The electrical box assembly 6 is connected to the inner wall of the left side plate 1 via a hinge assembly 7 and is positioned along the air outlet direction on the front side of the heat exchanger cavity 5. The fan assembly 4 is located on the right side of the heat exchanger cavity 5, and its top, front, and rear sides are unobstructed by a shell. The fixed end of the hinge assembly 7 is connected to the left side plate 1, while the movable end is connected to the left side wall of the electrical box assembly 6. This connection method allows the hinge assembly 7 to drive the electrical box assembly 6 to rotate around its own axis within a preset angle range, thereby enabling maintenance of the electrical box assembly 6 and the water pump assembly 8 located below it through the air outlet. In this way, since the electrical box component 6 is arranged along the air outlet direction on the front side of the heat exchanger cavity 5 and can rotate within a preset angle range via the hinge assembly 7, the staff can directly perform maintenance operations on the electrical box component 6 and the water pump component 8 located below it from the air outlet, without the need for additional access ports, which greatly reduces the difficulty of unit maintenance and improves maintenance efficiency. At the same time, the top, front and rear sides of the fan component 4 are not covered by a shell, which can effectively improve the smoothness of the return air channel, thereby improving the heat exchange efficiency of the indoor unit. Furthermore, since there is no need to set up an additional return air grille as an access port like in traditional side-out and bottom-return ducted air conditioners, the use of related parts is reduced, the installation cost is lowered, and the installation effect is also simpler and more aesthetically pleasing.

[0052] Specifically, the basic frame of the unit is formed by the left side plate 1, the right side plate 2, and the base plate 3. The fan component 4, the heat exchanger cavity 5, and the electrical box component 6 are integrated on the base plate 3 to form a side-outlet, side-return ducted air conditioner structure. The electrical box is connected to the left side plate 1 via a hinge assembly 7 and can rotate around its axis. Combined with its location in front of the heat exchanger cavity 5, maintenance operations can be performed directly from the air outlet. The unobstructed design of the fan component 4 optimizes the return air path, solving the problem of difficult maintenance in side-outlet, side-return structures, eliminating the need for additional inspection ports, improving return air efficiency, enhancing heat exchange effect, reducing return air grilles and other components, lowering installation costs, and improving aesthetics.

[0053] Considering the actual application scenarios of the electrical box component 6, and in order to facilitate maintenance operations, the indoor unit provided in this embodiment of the disclosure has an electrical box cover on the front side of the electrical box component 6, and the edge of the electrical box cover is detachably connected to the front side wall of the electrical box component 6.

[0054] This disclosure does not limit the specific form of the detachable connection. For example, it can be connected by screws, and there is no limitation on the number or distribution of screws, which can be determined according to the needs of the actual installation scenario. For example, it can be connected by snap-fit, and there is no limitation on the structural composition and structural strength of the snap-fit, which can be determined according to the needs of the actual installation scenario.

[0055] The embodiments disclosed herein do not limit the sealing method between the electrical box cover and the front side wall; a rubber sealing strip may be provided.

[0056] For example, the degree of exposure of the motherboard after opening the appliance box cover can be determined according to the structural application method of the present disclosure embodiment, and can be completely unobstructed.

[0057] For example, this disclosure does not limit the compatibility of the tools required for maintenance, and special tools can be used to remove the cover plate 11.

[0058] In this way, when the controller motherboard 61 is damaged, it can be repaired directly after opening the electrical box cover. Specifically, the electrical box cover covers the front of the electrical box with a detachable structure (such as screws and clips), protecting the internal controller motherboard 61 under normal conditions. During repair, it can be quickly disassembled to expose the motherboard. This simplifies the repair process of the controller motherboard 61, allowing direct operation without disassembling the entire machine, thus shortening repair time. At the same time, it prevents dust and moisture from entering the electrical box, improving the stability of the motherboard. This significantly reduces the repair time of the controller motherboard 61, lowers the repair difficulty, and enhances the user experience.

[0059] In other words, the detachable design of the electrical box cover provides a direct operating channel for the controller motherboard 61, eliminating the need to disassemble other components.

[0060] Considering the structural connection scheme of the water pump component 8 and the hinge assembly 7 in this solution, in the indoor unit provided by this embodiment, the water pump component 8 is connected to the base plate 3 and located directly below the electrical box component 6; when the water pump component 8 is damaged, the electrical box component 6 is rotated to a first preset angle through the hinge assembly 7, so that the water pump component 8 is fully exposed at the air outlet, for direct disassembly of the water pump component 8 for repair.

[0061] For example, the specific value of the first preset angle can be 120° or 180°.

[0062] For example, the connection between the water pump component 8 and the base plate 3 can be by bolt fixing or by slot connection.

[0063] For example, the load-bearing capacity of the hinge assembly 7 can match the weight of the electrical box.

[0064] In this way, the water pump component 8 is fixedly connected to the base plate 3 and located directly below the electrical box, forming an upper and lower layer layout; after the hinge assembly 7 drives the electrical box to rotate to a specific angle, the water pump component 8 is fully visible from the air outlet, which is convenient for disassembly and operation; it can solve the problem of space obstacles for water pump maintenance in the side outlet and side return structure, without the need for additional inspection ports, thus improving maintenance efficiency.

[0065] Considering the specific structural installation scheme within the electrical box component 6, in the indoor unit provided in this embodiment, the electrical box component 6 is equipped with a controller main board 61, and a heat dissipation module 62 is provided on the rear side of the controller main board 61; an evaporator component 63 is provided on the front side of the heat exchanger cavity 5, and the pipes of the evaporator component 63 are arranged in the vertical direction; the heat dissipation module 62 is located directly in front of the pipes of the evaporator component 63, and a preset gap is left between it and the cavity of the evaporator component 63. During cooling, the heat dissipation module 62 is used to exchange heat with the cold cavity of the unit through the preset gap to achieve cooling.

[0066] For example, the specific size of the preset gap can be 20-50mm.

[0067] For example, the heat dissipation module 62 can be made of aluminum fins or copper heat-conducting plates.

[0068] For example, the density of the evaporator pipes arranged vertically can be adapted to the design based on their impact on heat dissipation.

[0069] In this way, the heat dissipation module 62 and the evaporator cavity form a heat exchange path through a preset gap. During cooling, the cooling capacity of the evaporator is used to dissipate heat from the controller motherboard 61, achieving passive cooling. This can optimize the heat dissipation efficiency of the controller motherboard 61, avoid performance degradation or failure due to high temperature, and extend the service life of the components.

[0070] Considering the structural layout of the electrical box component 6 relative to the evaporator component 63, the heat dissipation module 62, and the heat exchanger cavity 5, in the indoor unit provided by this embodiment, the electrical box component 6 is arranged in the front of the evaporator component 63 along the front-rear direction, and the heat dissipation module 62 of the controller main board 61 is disposed opposite to the front side wall of the heat exchanger cavity 5, forming a heat exchange channel between the two; during unit maintenance, the electrical box component 6 can be rotated to directly disassemble the electrical box main board from the air outlet.

[0071] For example, the distance parameter between the appliance box and the evaporator in the front-to-back direction can be adaptively adjusted within the range of technical effects consistent with the embodiments of this disclosure.

[0072] For example, the specific form of the heat exchange channel can be either a closed space or an open gap.

[0073] In this way, the electrical box and the evaporator are arranged facing each other to ensure that the heat exchange path between the heat dissipation module 62 and the heat exchanger cavity 5 is the shortest; the rotating structure provides operating space for maintenance, which can enhance heat dissipation efficiency and ensure maintenance convenience, thus achieving dual optimization of function and maintenance.

[0074] Considering the installation scheme between the fan component 4 and the right side panel 2 of the indoor unit, in the indoor unit provided by this embodiment, the fan component 4 includes a volute, a motor and a fan blade installed in the volute, the volute includes a right volute, and a preset horizontal distance is left between the right side wall of the right volute and the inner side wall of the right side panel 2.

[0075] For example, the specific value of the preset horizontal spacing can be 20-50mm.

[0076] For example, the matching relationship between fan blade size and spacing can be such that the air volume can be increased by a percentage for every 10mm increase in spacing.

[0077] In this way, the preset distance between the right volute and the right side plate 2 provides more installation space for the fan blades, and larger diameter fan blades can be adapted to the same unit size, which can improve the air volume of the fan and enhance the heat exchange efficiency of the air conditioner, while avoiding interference between the volute and the right side plate 2 and reducing operating noise.

[0078] Considering the wiring scheme of the electrical box component 6, in the indoor unit provided in this embodiment, the upper surface of the base plate 3 is provided with a motor bracket 10, which is located on the left side of the fan component 4; a groove structure 13 extending in the front-to-back direction is provided between the motor bracket 10 and the bottom of the electrical box component 6, and the groove structure 13 has a groove width for the motor cable to be routed to the controller motherboard 61; a through-hole 131 is provided at one end of the groove structure 13 near the controller motherboard 61, corresponding to the position of the controller motherboard 61, and the through-hole 131 passes through the base plate 3 for the pipeline to pass through and connect to the controller motherboard 61.

[0079] For example, the groove width and depth parameters of the groove structure 13 can be determined according to the needs of the installation scenario, such as the groove width needing to accommodate one wire and multiple strands of cable.

[0080] For example, the diameter and number of through holes 131 can accommodate multiple pipes passing through simultaneously.

[0081] In this way, the groove structure 13 provides a dedicated channel for motor cables, while the through hole 131 provides a path for pipeline wiring (such as water pipes and signal lines), realizing the orderly separation and arrangement of cables and pipelines; it can avoid cables and pipelines from getting tangled or interfering, reduce the risk of short circuits and water leakage; simplify the assembly process and improve production efficiency.

[0082] Considering the wiring scheme and the orientation scheme of the internal related structures, in the indoor unit provided in this embodiment, a cover plate 11 is fastened to the top of the groove structure 13, and the edge of the cover plate 11 is attached to the upper surface of the base plate 3 to cover the groove and keep the base plate 3 flat; the bottom of the motor bracket 10 is provided with a fixing hole 101, which is located in the middle section of the groove structure 13 along the length direction and is within the operable range. The motor bracket 10 is fixed to the base plate 3 by fasteners passing through the fixing hole 101.

[0083] For example, the fastening method between the cover plate 11 and the base plate 3 can be a snap or a magnetic attraction.

[0084] For example, the number and spacing of the fixing holes 101 can meet the stability requirements of the bracket.

[0085] In this way, the cover plate 11 covers the groove to hide the cable and keep the base plate 3 flat; the fixing hole 101 of the motor bracket 10 is located within the operable range of the groove, which facilitates the fastening operation during installation; it can improve the internal aesthetics of the unit and prevent dust from entering the groove; it simplifies the installation and disassembly process of the motor bracket 10 and improves the convenience of maintenance.

[0086] Considering the sound insulation scheme of the unit, in the indoor unit provided in this embodiment, the rear surface of the controller main board 61 is covered with sound insulation cotton 12, and the edge of the sound insulation cotton 12 is aligned with the edge of the controller main board 61.

[0087] For example, the controller motherboard 61 and the sound insulation cotton 12 can be fixed on the fixing plate 14, which can be a PCB fixing plate; specifically, the fixing plate 14 is used to place the controller motherboard 61 and provide a position for the sound insulation cotton 12 to be pasted.

[0088] For example, the material of the sound insulation cotton 12 can be polyurethane foam or centrifugal glass wool. The thickness of the sound insulation cotton 12 is not limited in this embodiment, as long as it meets the technical effect of this embodiment.

[0089] For example, the sound insulation cotton 12 can be bonded using a high-temperature resistant adhesive such as double-sided tape or glue.

[0090] In this way, the sound insulation cotton 12 absorbs or blocks the electromagnetic noise and vibration noise of the controller motherboard 61 during operation, reducing the transmission of noise into the room; it can reduce the operating noise of the unit and improve user comfort; and prevent noise from interfering with sensitive components around the motherboard.

[0091] This disclosure also provides an air conditioner, including the above-described indoor unit, which can achieve all the technical effects of the above-described indoor unit.

[0092] In summary, by integrating the aforementioned indoor units, the air conditioner as a whole inherits the characteristics of convenient maintenance, efficient heat exchange, and low noise brought about by its structural optimization, which can improve the overall performance of the air conditioner, enhance its market competitiveness, and ensure the stability and reliability of the entire unit's operation.

[0093] To better understand the indoor unit and air conditioner solutions provided in the embodiments of this disclosure, the following specific examples are used for illustration:

[0094] like Figure 1 As shown, the indoor ducted air conditioning unit includes a fan component 4, a heat exchanger chamber 5, and an electrical box component 6. The fan component 4 includes a volute, a motor, and fan blades. At least the top, front, and rear sides are free of obstructions to improve the return air passage and heat exchange efficiency. The electrical box is located on the front side of the heat exchanger chamber 5 along the air outlet direction. The distance L between the right volute of the fan component 4 and the right side plate 2 is controlled between 20-50mm. Compared to traditional ducted air conditioning units, this allows for a larger fan blade size and a greater airflow volume within the same overall dimensions.

[0095] like Figure 2 As shown, after opening the electrical box cover and cover plate 11, there is a groove structure 13 on the base plate 3 between the motor bracket 10 and the electrical box, which is used for the motor wiring to the controller main board 61. At one end of the groove structure 13, where it meets the controller, there is a through-hole 131 for connecting the wiring to the controller. The fixing hole 101 of the motor bracket 10 is located within the operable range of the groove, and the cover plate 11 is used to protect the groove and ensure a smooth appearance.

[0096] like Figure 3 The diagram shows the rotating components of the electrical box. The left side plate 1 is connected to the electrical box component 6 by a hinge assembly 7, which allows the electrical box component 6 to rotate from 0° to 180°.

[0097] like Figure 4 As shown, a sound insulation cotton 12 can be attached to the back of the controller motherboard 61 to optimize the pipe noise problem. The heat dissipation module 62 of the controller motherboard 61 is located in front of the pipe of the evaporator component 63 of the duct air conditioner. During cooling, the heat sink can exchange heat with the cold cavity of the unit to achieve cooling and optimize the heat dissipation of the motherboard.

[0098] like Figure 5 As shown, when the controller motherboard 61 is damaged, the motherboard can be repaired by directly opening the electrical box cover by removing the screws. When the water pump component 8 is damaged, the electrical box component 6 can be rotated to an angle that is convenient for repair by using the hinge assembly 7, and the water pump component 8 can be directly disassembled from the air outlet for repair.

[0099] Combined Figure 6-8As shown, the specific orientation and installation relationships between the sound insulation cotton 12, fan component 4, evaporator component 63, water pump component 8, electrical box component 6, and their internal structures can be further understood. Those skilled in the art should also further recognize that the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of both. To clearly illustrate the interchangeability of hardware and software, the components and steps of the various examples have been generally described in terms of function in the foregoing description. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

[0100] It should be noted that the terms "one implementation," "embodiment," "exemplary embodiment," and "some embodiments" used in the specification indicate that the described embodiment may include a specific feature, structure, or characteristic, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, such phrases do not necessarily refer to the same embodiment. Moreover, when a specific feature, structure, or characteristic is described in connection with an embodiment, implementing such a feature, structure, or characteristic in conjunction with other embodiments, whether explicitly described or not, is within the knowledge scope of those skilled in the art.

[0101] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or air conditioner that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or air conditioner. Unless otherwise specified, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or air conditioner that includes said element.

[0102] The above embodiments are merely preferred embodiments provided to fully illustrate this application, and the scope of protection of this application is not limited thereto. Equivalent substitutions or modifications made by those skilled in the art based on this application are all within the scope of protection of this application.

Claims

1. An indoor unit, characterized by, include: Left side panel; The right side panel is disposed opposite to the left side panel; A base plate is connected between the left side plate and the right side plate, and is located at the bottom of the left side plate and the right side plate; a fan component, a heat exchanger cavity, and an electrical box component are installed on the top of the base plate; the heat exchanger cavity is arranged in the front direction, and the front side of the heat exchanger cavity is the air outlet direction; the electrical box component is connected to the inner wall of the left side plate through a hinge assembly, and the electrical box component is arranged in the front side of the heat exchanger cavity along the air outlet direction; The fan component is located on the right side of the heat exchanger cavity, and there is no shell covering the top, front, and rear sides of the fan component; the fixed end of the hinge assembly is connected to the left side plate, and the movable end of the hinge assembly is connected to the left side wall of the electrical box component, which is used to drive the electrical box component to rotate around the axis of the hinge assembly within a preset angle range, so as to perform maintenance on the electrical box component and the water pump component located below the electrical box component through the air outlet.

2. The indoor unit of claim 1, characterized in that, The front side of the electrical box component is provided with an electrical box cover, and the edge of the electrical box cover is detachably connected to the front side wall of the electrical box component.

3. The indoor unit of claim 2, characterized in that, The water pump component is connected to the base plate and located directly below the electrical box component; when the water pump component is damaged, the electrical box component is rotated to a first preset angle through the hinge assembly, so that the water pump component is fully exposed at the air outlet, for direct disassembly of the water pump component for repair.

4. The indoor unit of claim 2, characterized in that, The electrical box component contains a controller motherboard, and a heat dissipation module is located on the rear side of the controller motherboard; an evaporator component is located on the front side of the heat exchanger cavity, and the pipes of the evaporator component are arranged in the vertical direction; the heat dissipation module is located directly in front of the pipes of the evaporator component, and a preset gap is left between it and the cavity of the evaporator component. During cooling, the heat dissipation module is used to exchange heat with the cold cavity of the unit through the preset gap to achieve cooling.

5. The indoor unit according to claim 4, characterized in that, The electrical box component is arranged in the front of the evaporator component in the front-back direction, and the heat dissipation module of the controller motherboard is arranged opposite to the front side wall of the heat exchanger cavity, forming a heat exchange channel between them. During unit maintenance, the main board of the electrical box can be disassembled directly from the air outlet by rotating the electrical box component.

6. The indoor unit of claim 4, characterized in that, The fan components include a volute, a motor and fan blades installed in the volute, and the volute includes a right volute, with a preset horizontal distance between the right side wall of the right volute and the inner side wall of the right side plate.

7. The indoor unit of claim 6, characterized in that, The upper surface of the base plate is provided with a motor bracket, which is located on the left side of the fan component. A groove structure extending in the front-to-back direction is provided between the motor bracket and the bottom of the electrical box component. The groove structure has a groove width for the motor cable to be routed to the controller motherboard. A through-hole is provided at the end of the groove structure near the controller motherboard, corresponding to the position of the controller motherboard. The through-hole passes through the base plate and is used for the pipeline cable to pass through and connect to the controller motherboard.

8. The indoor unit of claim 7, characterized in that, A cover plate is fastened to the top of the groove structure, and the edge of the cover plate is attached to the upper surface of the base plate to cover the groove and keep the base plate flat. The bottom of the motor bracket is provided with a fixing hole, which is located in the middle section of the groove structure along the length direction and is within the operable range. The motor bracket is fixed to the base plate by fasteners passing through the fixing hole.

9. The indoor unit of claim 8, characterized in that, The rear surface of the controller motherboard is covered with sound-absorbing cotton, and the edge of the sound-absorbing cotton is aligned with the edge of the controller motherboard.

10. An air conditioner characterized by comprising: Including the indoor unit as described in any one of claims 1-9.

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