CN117232118A - Indoor unit of air conditioner - Google Patents

Abstract

The application discloses an air conditioner indoor unit, which comprises: the air conditioner comprises a shell, a fan assembly and a control system, wherein an air supply duct and an electric control chamber are arranged in the shell, and a main control board is arranged in the electric control chamber; the fan assembly comprises a motor, a fan and a driving plate, wherein the fan is arranged in the air supply duct and is used for driving air flow, the motor is in transmission connection with the fan, the driving plate is electrically connected with the motor, the driving plate is arranged in the electric control chamber, a first accommodating cavity and a second accommodating cavity which are mutually separated are arranged in the electric control chamber, the main control board is arranged in the first accommodating cavity, the driving plate is arranged in the second accommodating cavity, and the driving plate is electrically connected with the main control board. Through the technical scheme, the driving plate can be installed in the electric control cavity, the integration level of the control module is improved, and the fan is convenient to control and maintain.

Description

Indoor unit of air conditioner

Technical Field

The application relates to the technical field of air treatment, in particular to an air conditioner indoor unit.

Background

In the related art air conditioner, a driving plate of a fan is generally integrated in the fan, the fan is connected with a main control board through a control wiring harness and a power supply wiring harness, and control signals and power supply wires of the fan are not beneficial to control of the driving plate and maintenance of a control module.

Disclosure of Invention

The present application aims to solve at least one of the technical problems in the related art to some extent. Therefore, an object of the present application is to provide an indoor unit of an air conditioner, which can install a driving board in an electric control chamber, improve the integration level of a control module, facilitate the control of a fan and facilitate the maintenance.

According to an embodiment of the application, an indoor unit of an air conditioner comprises: the air conditioner comprises a shell, a fan assembly and a control system, wherein an air supply duct and an electric control chamber are arranged in the shell, and a main control board is arranged in the electric control chamber; the fan assembly comprises a motor, a fan and a driving plate, wherein the fan is arranged in the air supply duct and is used for driving air flow, the motor is in transmission connection with the fan, the driving plate is electrically connected with the motor, the driving plate is arranged in the electric control chamber, a first accommodating cavity and a second accommodating cavity which are mutually separated are arranged in the electric control chamber, the main control board is arranged in the first accommodating cavity, the driving plate is arranged in the second accommodating cavity, and the driving plate is electrically connected with the main control board.

According to the air conditioner indoor unit provided by the embodiment of the application, the driving plate can be installed in the electric control cavity, so that the integration level of the control module is improved, the control of the fan is facilitated, and the maintenance is convenient.

In addition, the indoor unit of an air conditioner according to the above embodiment of the present application may further have the following additional technical features:

in some examples of the application, a vent is provided in a wall of the electrically controlled chamber, the vent opening into an exterior space of the electrically controlled chamber and the second receiving chamber.

In some examples of the application, the vent is spaced apart from the first receiving cavity.

In some examples of the application, a partition is disposed in the electric control chamber, the partition and a portion of a wall of the electric control chamber enclose the second accommodation chamber, and the vent is disposed on a portion of the wall of the electric control chamber that mates with the partition.

In some examples of the present disclosure, the second accommodating cavity is close to the air supply port of the air supply duct relative to the first accommodating cavity, and a drainage channel for guiding the outlet airflow of the fan to flow to the ventilation opening is disposed in the air supply duct.

In some examples of the application, the first receiving cavity is configured as a sealed cavity.

In some examples of the present application, the electric control chamber is a flat chamber, the first accommodating chamber and the second accommodating chamber are arranged along a predetermined direction, the main control board is horizontally placed in the first accommodating chamber, and the driving board is horizontally placed in the second accommodating chamber or vertically placed in the second accommodating chamber, wherein the predetermined direction is perpendicular to the thickness direction of the electric control chamber.

In some examples of the present application, the electric control chamber and the air supply duct are arranged along an axial direction of the fan, and the first accommodating chamber and the second accommodating chamber are arranged along the axial direction or are arranged along a direction perpendicular to the axial direction.

In some examples of the application, the first and second accommodation cavities are arranged in a direction perpendicular to the axial direction, the main control panel is perpendicular to the axial direction, and the drive panel is perpendicular to the axial direction or parallel to the axial direction.

In some examples of the present application, the air conditioning indoor unit further includes: and a heat sink at least partially disposed within the second receiving cavity, the heat sink configured to dissipate heat from the second receiving cavity.

Drawings

Fig. 1 is a schematic structural diagram of an indoor unit in accordance with some embodiments of the present application.

Fig. 2 is an enlarged view of fig. 1 at circle a.

Fig. 3 is a schematic diagram of a heat sink according to some embodiments of the application.

Reference numerals:

100. an air conditioner indoor unit; 1. a housing; 11. an electric control box; 110. an electric control chamber; 101. a first accommodation chamber; 102. a second accommodation chamber; 103. a vent; 12. a main control board; 14. a heat sink; 141. a main body portion; 142. a fin; 15. a partition board.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present application and should not be construed as limiting the application.

Referring to fig. 1 to 3, an air conditioner indoor unit 100 according to an embodiment of the present application includes: the air supply device comprises a shell 1 and a fan assembly, wherein an air supply duct and an electric control chamber 110 are arranged in the shell 1, and a main control board 12 is arranged in the electric control chamber 110; the fan assembly comprises a motor, a fan and a driving plate, wherein the fan is arranged in the air supply duct and used for driving air flow, the motor is connected with the fan in a transmission manner, the driving plate is electrically connected with the motor, and the driving plate is used for driving the motor to operate and further driving the fan. In other words, the driving plate can control the motor to rotate, and the motor drives the fan to operate. The driving board is disposed in the electric control chamber 110, the electric control chamber 110 is provided with a first accommodating cavity 101 and a second accommodating cavity 102 which are separated from each other, the main control board 12 is disposed in the first accommodating cavity 101, the driving board is disposed in the second accommodating cavity 102, and the driving board is electrically connected with the main control board 12. That is, the driving plate may be disposed in the electric control chamber 110, which is advantageous for realizing integrated control of the air conditioning indoor unit 100, optimizing the internal space arrangement, and saving space. Further, the driving board and the main control board 12 are respectively disposed in the first accommodating cavity 101 and the second accommodating cavity 102 in the electric control chamber 110, so that the driving board and the main control board 12 can be separately disposed, and the running stability can be improved.

The electric control chamber 110 may be separated from the air supply duct, or the electric control chamber 110 may form two chambers with the air supply duct, and the two chambers may be partially isolated, for example, a vent hole or a ventilation channel may be formed between the two chambers, so that air flow in the air supply duct may flow through the electric control chamber 110, and a heat exchange effect is achieved on the electric control chamber 110. Of course, the electric control chamber 110 may be separated from the air supply duct in one chamber.

In general, the driving board is strong current and the main control board 12 is weak current, and when in actual work, the heating value of the driving board is larger than that of the main control board 12, so that the main control board 12 and the driving board are arranged into separate structures, and signal interference or mutual influence between the main control board 12 and the driving board can be avoided. Further, the driving plate is electrically connected with the fan, and is suitable for driving the fan to operate by the driving plate, and the driving plate is electrically connected with the main control board 12, so that the main control board 12 can conveniently control the driving plate, and the operation condition of the fan can be controlled better.

According to the air conditioning indoor unit 100 of the embodiment of the application, the driving board is arranged in the electric control chamber 110 and is separated from the main control board 12, so that the integration of the air conditioning indoor unit 100 can be realized, and the control is convenient.

In the assembly process, the main control board 12 and the driving board device can be respectively arranged in the first accommodating cavity 101 and the second accommodating cavity 102, so that the modularization effect of the indoor unit 100 of the air conditioner is improved, signal transmission between the main control board 12 and the driving board is facilitated, the fan is controlled conveniently, and the more complex driving requirement of the fan is met.

Optionally, the air conditioning indoor unit 100 may further include a heat exchanger, where the heat exchanger is disposed in the housing, so as to improve the heat exchange effect of the air conditioning indoor unit 100.

Optionally, a positioning edge is disposed on the inner side surface of the first accommodating cavity 101, a positioning groove is formed on the inner side surface of the first accommodating cavity 101 by the positioning edge, the main control board 12 is disposed in the positioning groove, a plurality of positioning hooks are disposed on the positioning edge and are used for limiting the main control board 12 from falling out, wherein at least one of the plurality of positioning hooks is set as an elastic hook, and when the main control board 12 is installed, the elastic hook deforms to install the main control board 12 into the positioning groove.

In some embodiments of the present application, referring to fig. 2, a vent 103 is provided on a wall of the electric control chamber 110, the vent 103 is connected to an external space and an internal space of the electric control chamber 110, and the vent 103 is connected to the external space of the electric control chamber 110 and the second accommodating cavity 102, so as to be suitable for heat exchange between air in the second accommodating cavity 102 and the outside of the electric control chamber 110, and facilitate reducing the temperature in the second accommodating cavity 102.

In some embodiments of the present application, the vent 103 may be spaced apart from the first receiving chamber 101 to facilitate improved heat exchange. For example, hot air may be prevented from entering the first accommodating chamber 101, thereby affecting components in the first accommodating chamber 101.

Referring to fig. 2, in some embodiments of the present application, a partition 15 is disposed in the electric control chamber 110, the partition 15 and a portion of the wall of the electric control chamber 110 enclose the second accommodating cavity 102, and the ventilation opening 103 is disposed on a portion of the wall of the electric control chamber 110 that mates with the partition 15. Specifically, the partition 15 may construct a space in the electric control chamber 110, and the driving plate is installed in the space, so that the driving plate and other components in the electric control chamber 110 may be separated, and thus, heat of the driving plate may be reduced to be transferred to other components, and mutual interference may be avoided. In addition, in some special cases, the partition 15 can also play an isolating role when the driving plate or other components fail, so that the risk is reduced, the safety is improved, and the driving plate alone can also be convenient for maintenance and repair. Further, the ventilation opening 103 is arranged on the portion matched with the partition 15, that is, the ventilation opening 103 can be communicated with the second accommodating cavity 102 and the external space, so that heat in the second accommodating cavity 102 can be conveniently dissipated through the ventilation opening 103, the ventilation effect of the second accommodating cavity 102 is improved, the heat dissipation of the driving plate is facilitated, and the independent heat dissipation of the second accommodating cavity 102 can be realized.

In some embodiments of the present application, the second accommodating cavity 102 is close to the air supply port of the air supply duct relative to the first accommodating cavity 102, and a drainage channel for guiding the outlet airflow of the fan to flow to the ventilation opening is arranged in the air supply duct. That is, a portion of the air flow in the air supply duct may flow to the second accommodating chamber 102 to dissipate heat from the second accommodating chamber 102, thereby improving the operation stability. Therefore, through setting up drainage channel and second accommodation chamber 102 intercommunication, do benefit to the air current in the air supply wind channel and dispel the heat to second accommodation chamber 102, can not set up solitary heat radiation structure, do benefit to and improve energy-conserving effect, and do benefit to the simplification structure.

In some embodiments of the application, the first receiving cavity 101 is configured as a sealed cavity. Therefore, the main control board 12 in the first accommodating cavity 101 and the driving board in the second accommodating cavity 102 are arranged in the electric control cavity 110 in a separated mode, and the first accommodating cavity 101 is a closed cavity, so that heat exchange between the second accommodating cavity 102 and the first accommodating cavity 101 can be avoided, the first accommodating cavity 101 is influenced, and independent management and independent heat exchange are facilitated. Thus, the electronic components and the main control board 12 are located in the same space region, the radiator 14 and the driving board are independently displaced in another region, and independent heat dissipation can be achieved, so that the running stability of the equipment can be improved.

In some embodiments of the present application, the electric control chamber 110 is a flat chamber, which is advantageous for spatial arrangement, the first accommodating chamber 101 and the second accommodating chamber 102 are arranged along a predetermined direction, the main control board 12 is horizontally placed in the first accommodating chamber 101, and the driving board is horizontally placed in the second accommodating chamber 102 or vertically placed in the second accommodating chamber 102, wherein the predetermined direction is perpendicular to the thickness direction of the electric control chamber 110. Wherein, the flat chamber means that the height dimension of the chamber is smaller than the length dimension and the width dimension thereof. At this time, the size occupied by the height of the chamber is smaller, the space in the electric control chamber 110 can be fully utilized by squaring the main control board 12, and the size of the driving board is smaller, so that the position of the driving board can be set according to the heat dissipation requirement, and the heat dissipation effect is improved.

In some embodiments of the present application, the electric control chamber 110 and the air supply duct are arranged along the air supply duct along the axial direction of the fan, the first accommodating cavity 101 and the second accommodating cavity 102 are arranged along the axial direction, and the first accommodating cavity 101 and the second accommodating cavity 101 may also be arranged along the direction perpendicular to the axial direction. Through the arrangement of the first accommodating cavity 101 and the second accommodating cavity 102, the driving plate and the main control board 12 can be conveniently installed, so that the space utilization rate of the electric control chamber 110 is improved, heat and signal interference between the driving plate and the main control board 12 are avoided, and the stability of the electric control chamber is improved.

In addition, a plurality of layers of cavities along the axial direction of the fan along the air supply duct may be disposed in the electric control chamber 110 to construct a first accommodating cavity 101 and a second accommodating cavity 102; in addition, the first accommodating cavity 101 and the second accommodating cavity 102 may be arranged inside and outside, for example, the first accommodating cavity 101 is wound outside the second accommodating cavity 102; or the second accommodating chamber 101 is wound outside the first accommodating chamber 102, etc. Of course, the arrangement of the first accommodating cavity 101 and the second accommodating cavity 102 in the present application is only some specific embodiments of the present application, and is not intended to limit the scope of the present application.

In some embodiments of the application, as shown in fig. 1, the first and second receiving chambers are arranged in a direction perpendicular to the axial direction. The first accommodating chamber and the second accommodating chamber may be arranged in a front-rear direction, an up-down direction, etc. in the drawing. Therefore, the thickness of the electric control chamber in the axial direction of the fan assembly can be reduced, the size of the whole air conditioner is reduced, or the volumes of an air supply duct and a heat exchange module of the air conditioner indoor unit are increased, and the power and energy efficiency of the air conditioner indoor unit are improved. Wherein the axial direction may refer to the left-right direction in fig. 1.

In addition, the main control board 12 is perpendicular to the axial direction, and the drive board is perpendicular to the axial direction or parallel to the axial direction. Therefore, the space in the electric control cavity can be fully utilized, and the space utilization rate and the heat exchange efficiency effect are improved.

In some embodiments of the present application, the driving board and the main control board 12 may be in a split structure, the driving board and the main control board 12 are separately arranged, and the driving board is vertically arranged on the main control board 12, so that the plane space of the main control board 12 can be effectively saved, and the space arrangement is facilitated. Specifically, the driving board may be disposed parallel to the main control board 12. The driving board may be inclined at a predetermined angle with respect to the main control board 12, and may be arranged according to a specific structure of the air conditioning indoor unit 100 or the electric control chamber 110 in practical application, which is not limited thereto. The drive plate can be installed in the corner position of the main control board 12, which is beneficial to heat dissipation of the drive plate and can avoid interference between the drive plate and other components on the main control board 12.

Alternatively, the driving board and the main control board 12 are in a split structure, or the driving board and the main control board 12 are separately arranged in the electric control chamber 110, the driving board is electrically connected with the main control board 12, and the driving board is electrically connected with a motor, and the motor is in transmission connection with the fan. That is, the main control board 12 and the driving board may be connected to the same sidewall of the electric control chamber 110 according to the shape and structure of the air conditioning indoor unit 100 or the housing 1; or the frame main control board 12 and the driving board are respectively connected to opposite side walls of the electric control chamber 110; alternatively, the main control board 12 and the driving board are respectively connected to adjacent side walls of the electric control chamber 110, which is convenient for connection and management, is beneficial to space arrangement and is beneficial to reducing the volume of the shell 1.

Optionally, a first ventilation opening and a second ventilation opening may be provided on a wall of the electric control chamber 110, where the first ventilation opening and the second ventilation opening may be communicated with an inner space and an outer space of the electric control chamber 110, and the ventilation openings are opposite to the radiator 14, so that heat dissipation of the radiator 14 may be achieved, and heat dissipation effect is improved. The air conditioning indoor unit 100 further includes a cooling fan adapted to drive the airflow in the electric control chamber 110 from the first ventilation opening to the second ventilation opening. That is, the cooling fan can accelerate the airflow in the electric control chamber 110, which is beneficial to improving the heat exchange effect in the electric control chamber 110 and to dissipating heat of components in the electric control chamber 110.

Referring to fig. 2, in some embodiments of the present application, the air conditioning indoor unit 100 further includes: the radiator 14 is at least partially arranged in the second accommodating cavity 102, and the radiator 14 can exchange heat with the ambient air in the second accommodating cavity 102, so that the driving plate is cooled, and the heat dissipation effect and the operation safety of the driving plate are improved; the vent 103 is opposite to the heat sink 14 to radiate heat to the heat sink 14. Specifically, the heat sink 14 may be disposed in the second accommodating cavity 102 to dissipate heat of the driving board in the second accommodating cavity 102, so as to avoid the driving board having too high temperature. Therefore, by providing the radiator 14, the internal space of the electric control chamber 110 can be rapidly cooled, and the operation environments of the electric control board and the driving board can be effectively maintained.

In some embodiments of the present application, the heat sink 14 is spaced apart from the wall of the second housing chamber 102, and an insulating support is further disposed within the second housing chamber 102 and is connected to the wall of the second housing chamber 102 and the heat sink 14, respectively. The insulating support can support the radiator 14 in the second accommodating cavity 102, so that structural stability is improved, and the radiator 14 can be prevented from being directly connected with the electric control cavity 110, thereby achieving an insulating effect.

Referring to fig. 2, in some embodiments of the present application, the gaps between the fins 142 of the heat sink 14 are opposite to the ventilation openings 103, so that heat in the second accommodating cavity 102 can be directly exchanged with heat sink 14 when being discharged through the ventilation openings 103, so as to improve heat dissipation efficiency, and facilitate rapid cooling in the second accommodating cavity 102, so that the temperature of the driving plate can be reduced. For example, when air flows through the ventilation openings 103, heat on the fins 142 can be quickly taken away, so that the heat dissipation effect is improved. In some embodiments of the present application, the heat sink 14 is in heat exchange connection with the drive plate, avoiding a higher drive plate temperature. Specifically, the heat sink 14 may cover the upper side of the driving plate to enhance the heat exchanging effect.

Alternatively, the ventilation openings 103 may be disposed on each wall of the electric control chamber 110, for example, the ventilation openings 103 are disposed on a side wall of the electric control chamber 110 facing the air supply duct and are communicated with the air supply duct; a ventilation opening 103 is arranged on the side wall of the electric control chamber 110, which is far away from the air supply duct, and is communicated with the external space of the electric control chamber 110; a ventilation opening 103 may be further provided on a side of the electric control chamber 110 facing the air supply port of the air supply duct; a ventilation opening 103 can be arranged on one side of the electric control chamber 110 facing the air inlet of the air supply duct; vents 103 may also be provided in the top and bottom walls of the electronically controlled chamber 110.

Optionally, a plurality of vents 103 may be provided on the electronic control chamber 110 to configure a gas flow-through channel within the electronic control chamber 110 through the plurality of vents 103.

Referring to fig. 2 to 3, in some embodiments of the present application, the air conditioning indoor unit 100 further includes: and a radiator 14, at least part of the radiator 14 is arranged outside the electric control chamber 110, and the radiator 14 is suitable for exchanging heat with the inner space or the driving plate of the second accommodating cavity 102. That is, a part of the radiator 14 may be located inside the electric control chamber 110 and a part of the radiator may be located outside the electric control chamber 110, so that the radiator is suitable for discharging heat to the outside of the electric control chamber 110, which is beneficial for reducing the temperature inside the electric control chamber 110. More specifically, the heat sink 14 is adapted to exchange heat with the inner space or the driving plate of the second accommodating chamber 102, so that the heat exchanging effect of the heat sink 14 on the inner space or the driving plate of the second accommodating chamber 102 can be improved. Preferably, the heat sink 14 can exchange heat with the inner space of the second accommodating cavity 102 and also can exchange heat with the driving plate, so that the working efficiency of the heat sink 14 can be improved. That is, the driving board and the heat sink 14 may be disposed in the second accommodating cavity 102, and the heat sink 14 is opposite to the driving board, or the heat sink 14 may be covered above the driving board.

Referring to fig. 2 and 3, in the air-conditioning indoor unit 100 according to the embodiment of the present application, a plurality of partition boards 15 are disposed in the electric control chamber 110, the partition boards 15 enclose a "U" structure in the electric control chamber 110, and an opening end of the U-shaped structure is connected to a wall of the electric control chamber 110, and a ventilation opening 103 is disposed on the wall, thereby forming a second accommodating cavity 102. The driving plate is horizontally placed in the second accommodating cavity 102, and the heat dissipation plate is opposite to the driving plate and covers the driving plate. Wherein the second receiving cavity 102 may be sized to accommodate placement of a drive plate to improve space utilization.

Further, the heat sink 14 includes a main body 141 and a plurality of fins 142, the plurality of fins 142 are connected to the main body 141, and the plurality of fins 142 are arranged at intervals along a first direction and extend toward a second direction, and the plurality of fins 142 can rapidly disperse heat on the main body 141, wherein the first direction is perpendicular to the second direction. The body portion 141 is adapted to be connected to the drive plate directly or through a connector and to distribute heat to the plurality of fins 142.

Alternatively, when the fan is operated, the air flow can be driven to flow through the radiator 14, and the air flow can exchange heat with the radiator 14, so as to improve the heat dissipation effect. Specifically, the wind direction may be parallel to the extending direction of the fins 142, so as to increase the heat dissipation effect, and the air flow may flow through the gap between the two fins 142, thereby taking away the heat on the fins 142, and being beneficial to improving the heat dissipation effect of the radiator 14. In use, the electric control chamber 110 and/or the driving plate are disposed opposite to the main body 141, and heat can be transferred to the fins 142 through the main body 141 to improve heat dissipation.

In some embodiments of the present application, the air conditioning indoor unit 100 further includes: the electric control box 11, the electric control box 11 is arranged in the shell 1, and an electric control chamber 110 is constructed in the electric control box 11. Specifically, the electronic control box 11 has a dustproof function, and can protect the safety of the internal components of the electronic control chamber 110. In particular, the electronic control box 11 may be located at one side of the housing 1, facilitating spatial arrangement, and facilitating repair and maintenance. The electronic control box 11 may be provided with a body and a cover body, where the body and the cover body are detachably connected, and the cover body may cover the body to protect components in the chamber. When the electric control chamber 110 and the main control board 12 or the driving board inside the electric control chamber are required to be maintained or replaced, the cover body is opened, so that the main control board 12 or the driving board inside the electric control chamber 110 is convenient to maintain and replace, the maintenance efficiency is improved, and the maintenance cost is reduced. Moreover, because the electric control box 11 is arranged externally, the internal space of the shell 1 is saved, the volume of the shell 1 is reduced, and the cost of the shell 1 is reduced.

In the application, the driving plate is arranged in the electric control chamber 110, and the driving plate is separated from the motor, so that the driving plate is convenient to flexibly design. For example, the circuits and interfaces on the drive board can be flexibly designed to optimize the functions of the drive board; in the use, the user also can more conveniently maintain, reform transform the drive plate.

Locate automatically controlled cavity 110 with the drive plate in, can conveniently assemble and maintain, in the maintenance process to the drive plate, need not dismantle the fan subassembly, improve the efficiency of maintaining to avoided the damage of finding out in the maintenance process, can also conveniently upgrade the drive plate, in order to satisfy people's increasingly functional requirement to the indoor set of air conditioner. The driving plate is arranged in the electric control chamber 110, so that the problem that the air supply duct space is influenced due to overlarge motor volume caused by the fact that the driving plate is arranged in the motor can be avoided, the space in the air supply duct is occupied by the driving plate in the air supply duct, and the air supply quantity of the air supply duct is improved.

And, locate the drive plate in automatically controlled cavity 110, make full use of the surplus space in automatically controlled cavity 110. For example, the main control board 12 in the electric control chamber 110 has larger components (such as a capacitor, etc.), and also has smaller components (such as a resistor, etc.), and when these components are assembled together, there is more space left in the electric control chamber 110.

Therefore, the driving plate is arranged in the electric control chamber 110, so that the other structures of the air conditioner indoor unit are not affected, the space requirement on the electric control chamber 110 is not increased, the air conditioner indoor unit is applicable to the existing air conditioner indoor unit, and the die cost is reduced. In addition, the drive plate can be conveniently updated, expanded and the like, and only the drive plate needs to be replaced when the function of the drive plate or the motor needs to be changed or increased. In the production, assembly and maintenance processes of the air conditioner indoor unit, the drive plate can be updated and changed without changing the whole structure of the air conditioner indoor unit, the assembly process and the die structure are not changed, the cost is reduced, and the modularized design of the air conditioner indoor unit is optimized. For example, for an air conditioning indoor unit having a constant air outlet function and not having a constant air outlet function, the production process of the air conditioning indoor unit may be changed without changing the drive plate.

The embodiment of the application is described by taking the air duct machine as an example, and the technical scheme of the application is not limited to the air duct machine, but can be used for an air conditioner indoor unit such as an embedded ceiling machine, a wall hanging machine and the like.

In the description of the present application, it should be understood that the terms "thickness," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.

Claims (10)

1. An air conditioning indoor unit, comprising:

the shell is internally provided with an air supply duct and an electric control cavity, and a main control board is arranged in the electric control cavity;

the fan assembly comprises a motor, a fan and a driving plate, the fan is arranged in the air supply duct and used for driving air flow, the motor is in transmission connection with the fan, the driving plate is electrically connected with the motor,

the driving plate is arranged in the electric control cavity, a first accommodating cavity and a second accommodating cavity which are mutually separated are arranged in the electric control cavity, the main control board is arranged in the first accommodating cavity, the driving plate is arranged in the second accommodating cavity, and the driving plate is electrically connected with the main control board.

2. An air conditioner indoor unit according to claim 1, wherein a vent is provided in a wall of the electric control chamber, the vent connecting an external space of the electric control chamber and the second accommodation chamber.

3. The air conditioning indoor unit of claim 2, wherein the vent is spaced apart from the first receiving cavity.

4. An indoor unit for an air conditioner according to claim 2, wherein a partition is provided in the electric control chamber, the partition and a part of the wall of the electric control chamber enclose the second accommodating chamber, and the ventilation opening is provided in a part of the wall of the electric control chamber that cooperates with the partition.

5. The indoor unit of claim 2, wherein the second accommodating chamber is close to the air supply port of the air supply duct relative to the first accommodating chamber, and a drainage channel for guiding the outlet airflow of the fan to flow to the ventilation port is provided in the air supply duct.

6. The air conditioning indoor unit of any of claims 1-5, wherein the first receiving cavity is configured as a sealed cavity.

7. An air conditioner indoor unit according to any one of claims 1-5, wherein the electric control chamber is a flat chamber, the first accommodating chamber and the second accommodating chamber are arranged along a predetermined direction, the main control board is laid flat in the first accommodating chamber, and the driving board is laid flat in the second accommodating chamber or erected in the second accommodating chamber, wherein the predetermined direction is perpendicular to a thickness direction of the electric control chamber.

8. The air conditioning indoor unit according to any of claims 1 to 5, wherein the electric control chamber and the air supply duct are arranged in an axial direction of the blower, and the first accommodating chamber and the second accommodating chamber are arranged in the axial direction or in a direction perpendicular to the axial direction.

9. The indoor unit of claim 8, wherein the first and second receiving chambers are arranged in a direction perpendicular to the axial direction, the main control panel is perpendicular to the axial direction, and the drive panel is perpendicular to the axial direction or parallel to the axial direction.

10. The air conditioning indoor unit of claim 1, further comprising:

and a heat sink at least partially disposed within the second receiving cavity, the heat sink configured to dissipate heat from the second receiving cavity.