WO2018000706A1 - Indoor unit of air conditioner - Google Patents

Abstract

An indoor unit of an air conditioner, comprising an upper face frame assembly (100) and a lower face frame assembly (200) integrated onto the upper face frame assembly (100). The upper face frame assembly (100) comprises a base plate (130) and an upper face frame (110) provided on the base plate (130). The lower face frame assembly (200) comprises a lower face frame (210) which is detachably connected with the upper face frame (110). The structure facilitates mounting/detachment and maintenance of the lower face frame assembly (200), and also facilitates cleaning of the lower face frame assembly (200) and the part exposed after the lower face frame assembly (200) is detached.

Description

 Air conditioner indoor unit

Technical field

The invention relates to the technical field of air conditioners, and in particular to an indoor unit of an air conditioner.

Background technique

There is now an air conditioner which is divided into a detachably connected upper and lower assembly, which is arranged to facilitate cleaning of the air conditioner. Before cleaning the air conditioner, remove the lower assembly from the upper assembly. After cleaning the air conditioner, install the lower assembly to the upper assembly. Due to the large weight of the lower component, the above cleaning process is very inconvenient, which is not conducive to the user's cleaning of the air conditioner.

Summary of the invention

SUMMARY OF THE INVENTION A primary object of the present invention is to provide an air conditioner indoor unit which aims to improve the disassembly efficiency of an air conditioner indoor unit.

To achieve the above object, an air conditioning indoor unit according to the present invention includes a face frame upper assembly and an integrally provided lower frame assembly; the face frame upper assembly includes a chassis and an upper frame disposed on the chassis; the face frame The lower assembly includes a lower frame that is detachably coupled to the upper frame.

Preferably, the heat exchanger and the wind wheel of the air conditioning indoor unit are mounted on the chassis.

Preferably, the face frame lower assembly further includes a volute tongue, and the volute tongue is fixed in the lower frame to enclose the upper frame assembly to form an air passage of the air conditioning indoor unit.

Preferably, the face frame lower assembly further includes a wind deflector and a swinging vane, and the wind deflector and the swinging vane are rotatably coupled to the lower frame.

Preferably, the chassis includes an upper chassis and a lower chassis detachably coupled to the upper chassis.

Preferably, the air conditioning indoor unit further includes a guiding assembly for guiding the lower chassis when the lower chassis is installed and removed, and the guiding assembly comprises:

a guide groove, the guide groove is disposed on the upper chassis;

a guide rail that cooperates with the guide groove, and the guide rail is disposed on the lower chassis.

Preferably, the air conditioning indoor unit further includes a mask that is movably coupled to the upper frame.

Preferably, the end of the upper frame is provided with a sliding slot, and the mask is provided with a sliding column corresponding to the position of the sliding slot, and the sliding column extends away from one end of the mask into the sliding slot.

Preferably, the top edge of the upper frame and the top edge of the lower frame are connected by a snap.

Preferably, the end of the upper frame and the end of the lower frame are connected by a card slot and a positioning pin.

Preferably, the upper frame top edge is conformed to the top edge of the lower frame; the end of the upper frame and the end of the lower frame are fitted; the upper frame, the lower frame and the chassis are enclosed The housing of the air conditioner indoor unit.

In the present invention, the lower frame assembly can be integrally mounted and disassembled by using the lower frame as the mounting frame of the lower frame assembly, which facilitates the loading and unloading and maintenance of the lower frame assembly, and also facilitates the lower frame assembly and the removal frame. After the lower part of the frame is cleaned, the lower part of the frame does not include the heavy components such as the wind wheel and the heat exchanger, so that the lower part of the frame is lighter, which is more convenient for the user to disassemble and clean the air conditioner.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and those skilled in the art can obtain other drawings according to the structures shown in the drawings without any creative work.

1 is a schematic structural view of an embodiment of an air conditioner indoor unit according to the present invention;

Figure 2 is a schematic structural view of the upper assembly of the face frame of Figure 1;

Figure 3 is a partial enlarged view of a portion A in Figure 2;

Figure 4 is a partial enlarged view of B in Figure 2;

Figure 5 is a schematic structural view of the lower assembly of the face frame of Figure 1;

Figure 6 is a schematic view of the exploded structure of Figure 5;

7 is a schematic structural view of another embodiment of an air conditioner indoor unit according to the present invention;

Figure 8 is a schematic cross-sectional view of the structure C-C in Figure 7;

Figure 9 is a partial enlarged view of E in Figure 8;

Figure 10 is a schematic cross-sectional view of the structure D-D in Figure 7;

Figure 11 is a partial enlarged view of the portion F in Figure 10.

Description of the reference numerals:

Label name Label name 100 Upper frame of the frame 200 Lower part of the frame 300 Mask 110 Above box 111 Buckle 112 Card slot 113 Chute 120 wind mill 130 Chassis 210 Below box 211 Buckle 212 Locating pin 213 Air outlet 214 support 220 Worm tongue 230 Pendulum 240 Baffle

The implementation, functional features, and advantages of the present invention will be further described in conjunction with the embodiments.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

It should be noted that all directional indications (such as up, down, left, right, front, back, ...) in the embodiments of the present invention are only used to explain between components in a certain posture (as shown in the drawing). Relative positional relationship, motion situation, etc., if the specific posture changes, the directional indication also changes accordingly.

In addition, the descriptions of "first", "second", and the like in the present invention are used for the purpose of description only, and are not to be construed as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" or "second" may include at least one of the features, either explicitly or implicitly. In addition, the technical solutions between the various embodiments may be combined with each other, but must be based on the realization of those skilled in the art, and when the combination of the technical solutions is contradictory or impossible to implement, it should be considered that the combination of the technical solutions does not exist. It is also within the scope of protection required by the present invention.

The present invention mainly proposes an air conditioner indoor unit, taking a wall-mounted air conditioner indoor unit as an example, the wall-mounted air conditioner indoor unit is mainly used for forming cold air or hot air, and transporting generated cold air or hot air to a designated position to adjust The temperature at the air supply location. The wall-mounted air conditioner indoor unit generally includes a casing, and a heat exchanger and a wind guide assembly housed in the casing, the casing has an air inlet, an air outlet, and an air passage between the air inlet and the air outlet, the heat exchanger and the guide The wind assembly is placed in the air duct. In the present application, the wall-mounted air conditioner indoor unit includes an upper frame assembly and a lower frame assembly, and the upper frame assembly and the lower frame assembly are detachably connected, such as by a screw connection or a snap connection. The upper part of the face frame includes a wind supply component such as a wind wheel, a drive motor, and the like, and a heat exchange component such as a heat exchanger.

The specific structure of the air conditioner indoor unit will be mainly described below.

Referring to FIG. 1 to FIG. 2, in the embodiment of the present invention, the air conditioning indoor unit includes a face frame upper assembly 100 and an integrally arranged face frame lower assembly 200. The face frame upper assembly 100 includes a chassis 130 and is disposed on the chassis. The upper box 110 on 130. The bezel lower assembly 200 includes a lower frame 210 that is detachably coupled to the upper frame 110.

Specifically, in the embodiment, the upper frame 110 and the chassis 130 are combined to form a space for accommodating a heat exchange component such as a heat exchanger. The upper frame 110 has a top plate and two end plates, and the two end plates are respectively connected to the two ends of the top plate, and both extend from the plate surface of the top plate toward the far top plate, and the two end plates are located on the same side of the top plate. The two end plates can be arranged in parallel or not in parallel, and can be set according to actual conditions. The lower frame 210 has a top surface, two end faces connecting the top surface and the bottom surface, and a side facing the user. The lower frame 210 has an opening toward one side of the upper frame 110, and the lower frame 210 is provided with an air outlet 213 toward one side of the user. The lower frame 210 is arranged in an elongated shape. The top of the lower frame 210 is detachably connected to the top plate of the upper frame 110, and the two sides of the lower frame 210 are connected to the two side plates of the upper frame 110. The connection manner may be a screw connection, a buckle 211, or the like. The heat exchanger is fixedly coupled to the chassis 130, and the wind wheel 120 is fixedly coupled to the chassis 130. The airflow enters the air duct from the air inlet, and after heat exchange with the heat exchanger, flows out of the air duct from the air outlet 213 under the action of the air guiding component. It should be noted that the integrated lower frame assembly 200 refers to the lower frame assembly 200 as a whole, which can be separately installed and removed, and is not integrally formed. The lower frame assembly 200 serves as a whole with the lower frame 210 as a mounting bracket, and the connection and separation with the upper frame 110 is achieved with the mounting and dismounting of the lower frame 210. When it is necessary to clean the internal components of the air conditioner, the lower frame assembly 200 is removed to expose the components such as the wind wheel 120 and the heat exchanger. At this time, the removed lower frame assembly 200 can be conveniently cleaned, of course, the exposed wind. Components such as wheel 120 can also be properly cleaned.

In this embodiment, the lower frame assembly 200 can be integrally mounted and disassembled by using the lower frame 210 as the mounting frame of the lower frame assembly 200, which facilitates the loading and unloading and maintenance of the lower frame assembly 200, and also facilitates the lower part of the frame. Cleaning of the exposed portion of the assembly 200 and the removal of the lower frame assembly 200; since the lower frame assembly 200 does not include heavy components such as the wind wheel 120, heat exchanger, etc., the lower weight of the lower frame assembly 200 is more advantageous. User disassembly and cleaning of the air conditioner.

In order to better flow the air after heat exchange with the heat exchanger to the user, the face frame lower assembly 200 further includes a volute 220, and the volute 220 is fixed in the lower frame 210 and the upper frame 110. The assembly encloses a duct that forms the air conditioner indoor unit. The upper frame 110, the chassis 130 and the volute 220 are enclosed to form an air duct of the air conditioner indoor unit. The air inlet of the air duct is opened on the side of the upper frame 110 facing away from the lower frame 210, that is, the back of the upper frame 110, and the air outlet 213 The side of the box 210 facing away from the upper frame 110 is opened. By disposing the volute tongue 220 in the lower frame 210, when the face frame lower assembly 200 is removed, the volute tongue 220 is detached together with the lower frame 210, so that the components in the air conditioning indoor air duct are exposed, which is advantageous for the wind to the internal components. Maintenance and replacement also facilitates cleaning and maintenance of internal components of the duct.

In order to reduce the weight of the lower frame assembly 200, the face frame lower assembly 200 further includes a wind deflector 240 and a swinging vane 230, both of which are rotatably coupled to the lower frame 210. A shaft hole is disposed at a position where the swinging blade 230 is mounted on the lower frame 210, and the plurality of swinging leaves 230 are arranged along the length direction of the lower frame 210. The wind deflector 240 is rotatably coupled to the end of the lower frame 210, and the motor that drives the wind deflector 240 is mounted on the lower frame 210. Of course, in some embodiments, in order to improve the installation strength of the wind deflector 240 and improve the stability of the installation of the wind deflector 240, a mounting bracket 214 is further disposed in the lower frame 210. On the windward side of the wind deflector 240, a plurality of rotating shafts are disposed along the longitudinal direction thereof, and the bracket 214 is disposed along the longitudinal direction of the lower frame 210, and the rotating shaft is rotatably coupled to the bracket 214. Of course, the motors that drive the wind deflector 240 and the pendulum blades 230 can all be part of the face frame lower assembly 200. In this embodiment, by configuring the lower frame assembly 200 as the lower frame 210, the pendulum blade 230, the air deflector 240, and the motor that drives the wind deflector 240 and the pendulum blade 230, the face frame lower assembly 200 includes heat exchange. The weight of the components of the wind turbine or the wind turbine 120 is greatly reduced, thereby making it easier for the user to load and unload the air conditioner.

In order to better disassemble and clean the air conditioner, the chassis 130 includes an upper chassis and a lower chassis to which the upper chassis is detachably coupled. In this embodiment, by disposing the chassis 130 as a detachable upper chassis and a lower chassis, the lower chassis can be separately detached, and the entire chassis 130 is detached together, and the difficulty of separately detaching the lower chassis is small, so that the chassis 130 is disassembled and cleaned. More convenient. Before removing the lower chassis, the lower frame assembly 200 can be removed first, and when the lower chassis is removed, the weight of the lower chassis becomes lighter.

In order to improve the convenience of disassembly of the chassis 130, the air conditioning indoor unit further includes a guiding assembly for guiding the lower chassis when the lower chassis is mounted and detached, the guiding assembly comprising: a guiding slot, The guide groove is disposed on the upper chassis; a guide rail that cooperates with the guide groove, and the guide rail is disposed on the lower chassis. On the side wall of the upper chassis, guide grooves are arranged along the disassembly direction of the upper chassis and the lower chassis, and the guide rails are disposed on the side walls of the lower chassis, and the guide rails and the guide grooves are adapted, that is, the guide rails can slide in the guide grooves. Through the arrangement of the guide groove and the slide rail, the loading and unloading of the upper chassis and the lower chassis is more convenient, which is advantageous for improving the detachability between the upper chassis and the lower chassis, and is convenient for the user to clean the air conditioner more conveniently.

In order to facilitate removal of the bezel lower assembly 200, the air conditioning indoor unit further includes a mask 300 that is movably coupled to the upper frame 110. According to the safety regulations, the user must use tools to disassemble or expose the live hazardous parts, and the connection of the lower frame assembly 200 to the upper frame 110 needs to be limited to the use of tools. In order to make the connection of the bezel lower assembly 200 and the bezel upper assembly 100 more diverse, the mask 300 is placed over the bezel lower assembly 200 and detachably coupled to the bezel lower assembly 200. By movably connecting the mask 300 to the chassis 130, opening and closing of the mask 300 is facilitated, thereby facilitating the removal of the bezel lower assembly 200, while at the same time providing more connection of the bezel lower assembly 200 to the chassis 130.

There are many ways in which the mask 300 can be movably connected to the upper frame 110. Several specific structures are described below:

First, the mask 300 is rotatably coupled to the two end plates of the upper frame 110 such that both ends of the mask 300 are pivotally connected to the end plates of the face frame, respectively.

In the second embodiment, the end of the upper frame 110 is provided with a sliding slot 113. The mask 300 is provided with a sliding column corresponding to the position of the sliding slot 113. The sliding column extends away from one end of the mask 300 to the Inside the chute 113. In order to stabilize the mask 300 after sliding to the preset position, the chute 113 is disposed in an L shape, and the two extensions of the L shape extend upward and forward, respectively, so as to provide enough for the user when the mask 300 is opened. The space operates on the air conditioner.

Of course, in some embodiments, to increase the mobility of the mask 300 and the upper frame 110, a sliding or rotating mechanism may be added between the mask 300 and the upper frame 110.

In order to further define the position of the lower frame 210, the connection strength of the lower frame 210 and the lower chassis is increased, and the top edge of the upper frame 110 and the top edge of the lower frame 210 are connected by a snap 211. The lower frame 210 is disposed on a side of the upper frame 110, and is provided with a buckle 211. The upper frame 110 is fastened with a buckle 111 toward a side of the lower frame 210. When the lower frame 210 is engaged with the upper frame 110, the buckle 211 is inserted into the buckle. In the position 111, the edge on the opening side of the upper frame 110 is in contact with the edge on the opening side of the lower frame 210. It will be appreciated that in some embodiments, the positions of the buckle 211 and the buckle 111 may be interchanged. Of course, in order to increase the connection strength between the upper frame 110 and the lower frame 210, screw holes are formed in the top of the upper frame 110, and the lower frame 210 is provided with lugs corresponding to the positions of the screw holes, and the lugs are fixedly connected to the upper frame 110 by screws. It can be understood that in some embodiments, the screw holes can be opened on the lower frame 210, and the lugs can be placed on the upper frame 110.

In order to improve the mounting accuracy and mounting efficiency of the upper frame 110 and the lower frame 210, the end of the upper frame 110 and the end of the lower frame 210 are connected by a card slot 112 and a positioning pin 212.

The lower frame 210 faces the side of the upper frame 110, and is provided with a positioning pin 212. The upper frame 110 is provided with a card slot 112 toward a side of the lower frame 210. When the lower frame 210 is engaged with the upper frame 110, the positioning pin 212 is embedded in the card. The inside of the groove 112 and the edge on the opening side of the upper frame 110 are in contact with the edge on the opening side of the lower frame 210. It will be appreciated that in some embodiments, the positions of the locating pin 212 and the card slot 112 may be interchanged. Of course, in order to increase the connection strength between the upper frame 110 and the lower frame 210, screw holes are formed in the side of the upper frame 110, and the lower frame 210 is provided with lugs corresponding to the positions of the screw holes, and the lugs are fixedly connected to the upper frame 110 by screws. . It can be understood that in some embodiments, the screw holes can be opened on the side of the lower frame 210, and the lugs can be placed on the upper frame 110. Through the arrangement of the positioning pin 212 and the card slot 112, the connection between the upper frame 110 and the lower frame 210 is more accurate, which is advantageous for improving the connectivity of the upper frame 110 and the lower frame 210 and the integrity of the connection, and of course, the above is also increased. The strength of the connection between block 110 and box 210 below.

In order to more properly arrange the shape of the air conditioner indoor unit to improve the utilization of the space, the top frame 110 is slid along the top edge of the lower frame 210. The end of the upper frame 110 and the end of the lower frame 210 are attached. The upper frame 110, the lower frame 210 and the chassis 130 enclose a housing of the air conditioning indoor unit.

Specifically, in the embodiment, the upper frame 110 is a front, a rear, and a lower open box, and the lower frame 210 is a rear open box. The upper frame 110 faces the lower frame 210 and the lower frame 210 faces the upper frame 110. The edges of the frame are joined such that the upper frame 110 and the lower frame 210 are joined to form a box having a rear portion and a lower portion, that is, a casing of the air conditioner indoor unit. The enclosure formed by the enclosure may be a regular hexahedron or an irregular hexahedron. Of course, it may also be a shape of other numbers, such as a cylindrical shape. Taking a regular hexahedron as an example, the outer casing 110, the lower frame 210 and the chassis 130 are combined to form a housing having a high uniformity, so that the combined housing is more regular and facilitates the installation of the air conditioner indoor unit.

Of course, in some embodiments, in order to improve the coordination of the upper frame 110 and the lower frame 210, and reduce the number of ejections of the upper frame 110 and the lower frame 210, the upper frame 110 and the lower frame 210 may be integrally formed (the upper frame) A connecting post is provided between the 110 and the lower frame 210, formed by the over-groove of the mold, and the integrally formed face frame is cut into the desired upper frame 110 and lower frame 210, as the case may be.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structural transformation, or direct/indirect use, of the present invention and the contents of the drawings are used in the inventive concept of the present invention. It is included in the scope of the patent protection of the present invention in other related technical fields.

Claims (11)

An air conditioner indoor unit, comprising: a face frame upper assembly and an integrally arranged face frame lower assembly; the face frame upper assembly includes a chassis and an upper frame disposed on the chassis; the face frame lower assembly includes In the lower frame, the lower frame is detachably connected to the upper frame. The air conditioning indoor unit according to claim 1, wherein a heat exchanger and a wind wheel of the air conditioning indoor unit are mounted on the chassis. The air conditioner indoor unit according to claim 1, wherein the face frame lower assembly further includes a volute tongue, and the volute tongue is fixed in the lower frame to enclose the upper frame assembly to form the air conditioner. The air duct of the indoor unit. The air conditioner indoor unit according to claim 1, wherein the face frame lower assembly further comprises a wind deflector and a swinging vane, and the wind deflector and the swinging vane are rotatably coupled to the lower frame. The air conditioning indoor unit according to claim 1, wherein said chassis includes an upper chassis and a lower chassis detachably coupled to said upper chassis. The air conditioner indoor unit according to claim 5, wherein said air conditioner indoor unit further comprises a guide assembly for guiding said lower chassis when said lower chassis is mounted and detached, said guide assembly include: a guide groove, the guide groove is disposed on the upper chassis; a guide rail that cooperates with the guide groove, and the guide rail is disposed on the lower chassis. The air conditioning indoor unit according to claim 1, wherein said air conditioning indoor unit further comprises a mask, said mask being movably coupled to said upper frame. The air conditioner indoor unit according to claim 7, wherein the end of the upper frame is provided with a sliding slot, and the mask is provided with a sliding column corresponding to the position of the sliding slot, and the sliding column is away from the mask One end extends into the chute. The air conditioner indoor unit according to claim 1, wherein a top edge of said upper frame and a top edge of said lower frame are connected by a snap. The air conditioning indoor unit according to claim 1, wherein an end portion of said upper frame and an end portion of said lower frame are connected by a card slot and a positioning pin. The air conditioner indoor unit according to any one of claims 1 to 10, wherein the upper frame top edge is fitted to the top edge of the lower frame; the upper frame end and the lower frame are The end frame is fitted; the upper frame, the lower frame and the chassis are enclosed to form a casing of the air conditioning indoor unit.