CN216481278U - Air conditioner indoor unit and air conditioning system - Google Patents

Abstract

The utility model discloses an indoor unit of air conditioner and air conditioning system. The air-conditioning indoor unit comprises a shell assembly and an electrical box, wherein the shell assembly comprises an inner shell and an outer shell arranged outside the inner shell; the electrical box comprises a box body fixedly arranged on the inner shell and a cover body covered on the box body, the box body is provided with a protection cavity and an inlet and an outlet communicated with the protection cavity, the cover body is used for shielding the inlet and the outlet, one of the cover body and the box body is provided with a clamping part, and the other one of the cover body and the box body is provided with a buckling part in buckling fit with the clamping part; wherein, one between the outer shell and the cover body is provided with a first matching part, the other is provided with a second matching part, the number of the second matching parts and the number of the first matching parts are at least two, and the second matching parts are in one-to-one correspondence, and the second matching parts are in limit matching with the first matching parts so as to limit the separation of the clamping parts and the buckling parts. The air conditioner indoor unit is high in assembling efficiency and beneficial to improving the assembling efficiency of an air conditioning system.

Description

Air conditioner indoor unit and air conditioning system

Technical Field

The present disclosure relates to the field of air conditioning technologies, and in particular, to an air conditioner indoor unit and an air conditioning system.

Background

At present, along with the improvement of production level, the demand of people on temperature regulation of relatively closed spaces such as indoor spaces is more and more strong. Therefore, people often use air conditioning systems to adjust the indoor temperature, humidity, and oxygen content of air, so as to improve the quality of indoor life. The air conditioning system comprises an air conditioning indoor unit and an air conditioning outdoor unit, wherein the air conditioning indoor unit is provided with a circuit line body exposed outside on a control device (comprising a main control panel) so as to be conveniently connected with a plug wire, an electric appliance box is required to be used for isolation protection at the joint of the air conditioning indoor unit and the main control panel, and a plug of the plug wire extends out of the shell assembly of the air conditioning indoor unit so as to be conveniently butted with an external power supply and supply power to the air conditioning system.

However, in the related art, the conventional electrical box needs to be fixed by a plurality of screws, resulting in inefficient assembly of the air conditioning indoor unit.

SUMMERY OF THE UTILITY MODEL

The present disclosure provides an air conditioner indoor unit and an air conditioning system. The air conditioner indoor unit is high in assembling efficiency and beneficial to improving the assembling efficiency of an air conditioning system.

The technical scheme is as follows:

according to a first aspect of the embodiments of the present disclosure, an air conditioner indoor unit is provided, which includes a casing assembly and an electrical box, wherein the casing assembly includes an inner casing and an outer casing disposed outside the inner casing; the electric box comprises a box body fixedly arranged on the inner shell and a cover body covered on the box body, the box body is provided with a protection cavity and an inlet and an outlet communicated with the protection cavity, the cover body is used for shielding the inlet and the outlet, one of the cover body and the box body is provided with a clamping part, and the other one of the cover body and the box body is provided with a buckling part in buckling fit with the clamping part; wherein, one between the outer shell and the cover body is provided with a first matching part, the other is provided with a second matching part, the number of the second matching parts and the number of the first matching parts are at least two, and the second matching parts are in one-to-one correspondence, and the second matching parts are in limit matching with the first matching parts so as to limit the separation of the clamping parts and the buckling parts.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

the air conditioner indoor unit adopts the electrical box to perform insulation protection on the circuit line body and the plug wire, so that the electrical safety performance can be improved. When the electrical box is assembled, the cover body is covered on the box body and is fixed through the buckling and matching of the clamping part and the buckling part, the electrical box is fixed on the inner shell, the outer shell and the inner shell are fixed in the process, the first matching part and the second matching part are in limiting matching, the clamping part is limited to be separated from the buckling part, the cover body is reliably fixed on the box body, the cover body is enabled to shield the inlet and the outlet, and the circuit line body and the plug cord in the protective cavity can be reliably protected in an insulating mode. Meanwhile, the cover body and the box body are assembled without being fastened by screws, and the assembly efficiency of the indoor unit of the air conditioner is improved.

The technical solution of the present disclosure is further explained below:

in one embodiment, the clamping part is slidably buckled with the buckling part in a matched manner, the clamping part corresponds to the buckling part one by one, the protection cavity comprises two first sides which are oppositely arranged, and at least one clamping part or buckling part is arranged on each of the two first sides; the electrical box comprises a limiting unit for limiting the separation of the clamping part and the buckling part.

In one embodiment, the limiting unit comprises a first limiting structure arranged between the cover body and the box body and a second limiting structure arranged between the clamping part and the buckling part, and the first limiting structure and the second limiting structure are matched to limit the separation of the clamping part and the buckling part; the buckling part is provided with a sliding groove, and the clamping part comprises a clamping body which can be inserted into the sliding groove along a set direction; when the card body inserts the spout along setting for the direction to when removing to the settlement position, first limit structure can restrict the lid and continue to remove along setting for the direction, and the second limit structure can restrict the card body and move towards keeping away from setting for the direction, so that lid and box body are fixed.

In one embodiment, the first position-limiting structure includes a convex portion and a position-limiting portion engaged with the convex portion, the convex portion is disposed between the cover and the box, and the other one of the convex portion and the position-limiting portion is disposed between the cover and the box.

In one embodiment, the protrusion is disposed on the cover, the limiting portion is an inner sidewall of the protection cavity, the cover is disposed on the box, and at least a portion of the protrusion is disposed in the protection cavity.

In one embodiment, at least one of the clamping parts further comprises a hook body arranged at the free end of the clamping body, the hook body protrudes in the direction away from the inner side wall of the sliding groove, and the clamping body has elasticity; when the clamping body is inserted into the sliding groove, the hook body can elastically contract to abut against the inner side wall of the sliding groove; when the card body moves to the set position, the hook body elastically resets and forms a second limit structure in limit fit with the outer side wall of the sliding groove.

In one embodiment, at least part of the buckling part is arranged outside the first side and protrudes towards the direction away from the inlet and the outlet to form a sliding chute; the clamping part is arranged at the edge of the cover body, the cover body is provided with an avoiding groove for avoiding the part of the buckling part, and the buckling part is inserted into the cover body through the avoiding groove so that the clamping body and the sliding groove are arranged oppositely.

In one embodiment, the box body is provided with a notch which is matched with the side wall of the protection cavity in a sliding way, the buckling part is arranged on the outer side of the protection cavity, and the clamping part is arranged on the outer side of the notch.

In one embodiment, the box body comprises a blocking part arranged in the protective cavity, the blocking part is arranged close to the inlet and the outlet, one end of the cover body is provided with an inserting part, and the inserting part can be inserted into the protective cavity and is in limit fit with the blocking part; and the clamping part is matched with the buckling part in a buckling way so as to fix the box body and the cover body.

According to a second aspect of the embodiments of the present disclosure, there is also provided an air conditioning system, including an outdoor unit of an air conditioner and the indoor unit of an air conditioner as described above, where the outdoor unit of the air conditioner is matched with the indoor unit of the air conditioner, so that the indoor unit of the air conditioner can provide temperature-regulated gas.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

the air conditioning system adopts the air conditioning indoor unit, the electric safety performance is high, the protection is reliable, and the assembly efficiency of the air conditioning indoor unit is favorable for improving the competitiveness of the air conditioning system.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

Brief description of the drawingsthe accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not intended to limit the disclosure.

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

Fig. 1 is a schematic structural view of an indoor unit of an air conditioner according to an embodiment.

Fig. 2 is an exploded view of the indoor unit of the air conditioner shown in fig. 1.

Fig. 3 is an exploded view of a portion of the air conditioning indoor unit shown in fig. 2.

Fig. 4 is an assembly view of the outer case and the electrical box shown in fig. 3.

Fig. 5 is a schematic structural diagram of the electrical box shown in fig. 3.

Fig. 6 is an exploded view of the structure of the electrical box shown in fig. 5.

Fig. 7 is a schematic top view of the electrical box shown in fig. 6.

Fig. 8 is a schematic half-sectional view of the electrical box shown in fig. 7.

Fig. 9 is an enlarged schematic view of the region a shown in fig. 7.

Fig. 10 is a bottom view of the cover shown in fig. 6.

Fig. 11 is a schematic structural diagram of an electrical box shown in another embodiment.

Fig. 12 is a partial cross-sectional schematic view of the appliance cartridge shown in fig. 11.

Fig. 13 is a schematic diagram of the first mating portion and the second mating portion in one embodiment.

Fig. 14 is a schematic view of the first mating portion and the second mating portion in another embodiment.

Fig. 15 is a partially exploded view of the structure of the air conditioning indoor unit shown in fig. 2.

FIG. 16 is a schematic view of an installation of an air conditioning system shown in one embodiment.

Description of reference numerals:

10. an air-conditioning indoor unit; 11. a housing assembly; 11a, an inner shell; 102. a stud hole; 103. a limiting groove; 11b, an outer shell; 101. a second mating portion; 12. an electrical box; 100. a box body; 110. a protective cavity; 111. an inlet and an outlet; 120. a buckle part; 121. a chute; 130. a wire body fixing part; 140. a blocking portion; 150. a connecting through hole; 160. limiting convex edges; 200. a cover body; 201. a first mating portion; 210. a clamping part; 211. a card body; 212. a hook body; 220. an avoidance groove; 230. a notch; 240. a plug-in part; 300. a limiting unit; 310. a first limit structure; 311. a convex portion; 312. a limiting part; 320. a second limit structure; 20. an air conditioner outdoor unit; 30. a wall body; 40. and a control device.

Detailed Description

For the purpose of making the purpose, technical solutions and advantages of the present disclosure more apparent, the present disclosure will be described in further detail below with reference to the accompanying drawings and detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the disclosure, are intended for purposes of illustration only and are not intended to limit the scope of the disclosure.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terminology used herein in the description of the disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure.

At present, along with the improvement of production level, the demand of people on temperature regulation of relatively closed spaces such as indoor spaces is more and more strong. Therefore, people often use air conditioning systems to adjust the indoor temperature, humidity, and oxygen content of air, so as to improve the quality of indoor life. The air conditioning systems are various in types and brands at present, so that a plurality of air conditioning systems can be selected by consumers, and how to obtain the favor of the consumers becomes a problem that manufacturers of the air conditioning systems pay more and more attention to.

The air conditioning system comprises an air conditioning indoor unit and an air conditioning outdoor unit, wherein the air conditioning indoor unit is usually provided with a circuit line body exposed outside on a control device (comprising a main control panel) and is convenient to connect with a power line, the joint of the air conditioning indoor unit and the main control panel needs to be isolated and protected by an electric appliance box, a plug of the power line extends out of the shell assembly of the air conditioning indoor unit and is convenient to butt joint with an external power supply to supply power for the air conditioning system.

However, in the related art, the box body and the cover of the conventional electrical box need to be screwed and fixed by bolts, which results in low assembly efficiency of the indoor unit of the air conditioner.

Based on this, the utility model provides an indoor set of air conditioning and air conditioning system. The air conditioner indoor unit is high in assembling efficiency and beneficial to improving the assembling efficiency of an air conditioning system.

In order to better understand the utility model discloses an electrical apparatus box, the explanation is expounded in combination with the air conditioning indoor set that has used electrical apparatus box below.

As shown in fig. 1 to 5, in some embodiments of the present disclosure, an air conditioning indoor unit 10 is provided, including a casing assembly 11 and an electrical box 12, where the casing assembly 11 includes the casing assembly 11 and the electrical box 12, and the casing assembly 11 includes an inner casing 11a and an outer casing 11b disposed outside the inner casing 11 a; the electrical box 12 includes a box body 100 fixed on the inner housing 11a and a cover body 200 covering the box body 100, the box body 100 is provided with a protection cavity 110 and an inlet/outlet 111 communicated with the protection cavity 110, the cover body 200 is used for shielding the inlet/outlet 111, one between the cover body 200 and the box body 100 is provided with a clamping portion 210, and the other is provided with a buckling portion 120 buckled and matched with the clamping portion 210; one of the parts between the outer casing 11b and the cover 200 is provided with a first matching part 201, the other part is provided with a second matching part 101, at least two of the second matching parts 101 and the first matching parts 201 are in one-to-one correspondence, and the second matching parts 101 are in limit matching with the first matching parts 201 to limit the separation of the clamping part 210 and the buckling part 120.

The air-conditioning indoor unit 10 adopts the electrical box 12 to perform insulation protection on the circuit line body and the plug wire, so that the electrical safety performance can be improved. When the electrical box 12 is assembled, the cover 200 is covered on the box body 100 and is fixed by the snap-fit of the clamping portion 210 and the fastening portion 120, the electrical box 12 is fixed on the inner housing 11a, and in the process of fixing the outer housing 11b and the inner housing 11a, the first matching portion 201 is in limit fit with the second matching portion 101 to limit the separation of the clamping portion 210 and the fastening portion 120, so that the cover 200 is reliably fixed on the box body 100, the cover 200 shields the inlet and outlet 111, and the circuit line body and the plug wire in the protection cavity 110 can be reliably insulated and protected. Meanwhile, the cover 200 and the box 100 are assembled without screws, so that the electrical box can be assembled quickly, the outer shell can be fixed on the inner shell quickly, and the assembly efficiency of the indoor unit of the air conditioner can be improved.

It should be noted that the specific implementation manner of the casing assembly 11 can be various, for example, a portion of the inner casing 11a is used as a middle frame for forming a heat exchange cavity to accommodate a heat exchanger and an axial flow fan, and a portion of the outer casing 11b can be used as an exterior decoration to improve the overall aesthetic property of the air conditioning indoor unit 10.

In addition, the outer housing 11b or the inner housing 11a includes one housing or at least two housings (as shown in fig. 2).

As shown in fig. 2 and 3, in some embodiments, the indoor unit 10 includes a fresh air device, which is disposed on the inner casing and is protected by a portion of the outer casing 11 b. The electrical box 12 is arranged between the fresh air device and the shell. Therefore, the air-conditioning indoor unit 10 has a fresh air function by using the fresh air device, and can introduce outdoor fresh air into the room to improve the oxygen content of the indoor air and create a more comfortable indoor air environment for users. And the arrangement of the electrical appliance box 12 can realize the protection of the connection part of the fresh air device and the power line, and is convenient for assembling the fresh air device on the shell component 11.

It should be noted that there are various implementations of "the electrical connection between the circuit line body and the power line" or "the electrical connection between the fresh air device and the power line", including connection by a connector, or direct intertwining connection, and insulation protection by an insulating tape, etc.

It should be noted that, the phrase "one between the cover 200 and the box 100 is provided with the locking portion 210, and the other is provided with the fastening portion 120 slidably and snap-fittingly engaged with the locking portion 210" includes that the locking portion 210 is disposed on the cover 200, and the fastening portion 120 is disposed on the box 100; alternatively, the fastening portion 120 is disposed on the cover 200, and the locking portion 210 is disposed on the box 100.

It is understood that the box body 100 and the cover body 200 have insulating properties, and the electrical box 12 includes an insulating protection box.

As shown in fig. 6, in some embodiments, the locking portion 210 slidably snaps the fastening portion 120, the locking portion 210 corresponds to the fastening portion 120 one by one, and the protection cavity 110 includes two first sides disposed oppositely, and each of the two first sides is provided with at least one of the locking portion 210 or the fastening portion 120; the appliance case 12 includes a limiting unit 300 for limiting the separation of the catching portion 210 from the catching portion 120. Thus, when the fastening portion 210 is disposed on the cover 200 and the fastening portion 120 is disposed on the box 100, the fastening portion 120 is disposed on each of the two first sides of the protection cavity 110, the cover 200 is covered on the box 100, and then the cover 200 is moved, and the fastening portion 210 and the fastening portion 120 are slidably engaged with each other by a snap fit, and the restriction unit is used to restrict the fastening portion 210 and the fastening portion 120 from being separated, so that the cover 200 is reliably fixed on each of the two sides of the protection cavity 110, thereby facilitating the fixing of the cover 200 on the box 100.

Similarly, when the fastening portion 120 is disposed on the cover 200 and the fastening portion 210 is disposed on the box 100, the fastening portions 210 are disposed on two first sides of the protection cavity 110, the cover 200 is covered on the box 100, and then the cover 200 is moved, and the fastening portions 210 and the fastening portions 120 are slidably engaged with each other by means of the fastening portions 210, and the fastening units 120 are restricted by the restricting unit, so that the cover 200 is reliably fixed on two sides of the protection cavity 110, and the cover 200 is conveniently fixed on the box 100.

In addition, the first engaging portion 201 and the second engaging portion 101 are engaged with each other to limit the separation of the locking portion 210 from the buckling portion 120, so that the double limitation is realized, and the cover 200 and the case 100 can be reliably fixed to the case 100 without screws. In this way, the casing unit 11 does not need to be provided with screw holes, which is advantageous for improving the appearance of the indoor unit 10 of an air conditioner.

As shown in the figures, in the embodiment, the locking portion 210 is disposed on the cover 200, and two fastening portions 120 are disposed on two first sides. In this way, the lid body 200 can be reliably fixed to both sides of the protection chamber 110, and the access opening 111 can be shielded by the lid body 200.

As shown in fig. 6 and 7, in some embodiments, the limiting unit 300 includes a first limiting structure 310 disposed between the cover 200 and the box 100 and a second limiting structure 320 disposed between the fastening portion 210 and the fastening portion 120, and the first limiting structure 310 and the second limiting structure 320 cooperate to limit the fastening portion 210 and the fastening portion 120 from separating; the buckle part 120 is provided with a sliding slot 121, and the clamping part 210 comprises a clamping body 211 which can be inserted into the sliding slot 121 along a set direction; when the card body 211 is inserted into the sliding slot 121 along the setting direction and moves to the setting position, the first limiting structure 310 can limit the cover body 200 to continue moving along the setting direction, and the second limiting structure 320 can limit the card body 211 to move away from the setting direction, so that the cover body 200 and the box body 100 are fixed. Thus, when the cover 200 is mounted on the case 100, the engaging member 211 is inserted into the sliding groove 121 to restrict the cover 200 to the case 100, and only the cover can be moved back and forth in a predetermined direction to be fixed or separated. For example, when the cover 200 continues to move to the set position along the set direction, the first limiting structure 310 can limit the cover 200 to continue to move along the set direction, and the second limiting structure 320 can limit the clip body 211 to move away from the set direction, so that the cover 200 and the box 100 are fixed. When the cover 200 needs to be separated from the box 100, the second limiting structure 320 needs to be separated, so that the card body 211 can move in a direction away from the setting direction to separate the card body 211 from the chute 121, thereby separating the cover 200 from the box 100.

When the electrical box 12 is used in the air-conditioning indoor unit 10 to perform insulation protection on the circuit line and the power line, the first limiting structure 310 and/or the second limiting structure 320 can be separated, so that the clamping portion 210 can be separated from the sliding groove 121 in a sliding manner, and the cover 200 can be detached from the box 100; then, the exposed circuit wire body is electrically connected with the wire body of the plug, and at least the connection position of the circuit wire body and the connection position of the plug is placed in the protective cavity 110 through the inlet and outlet 111. Finally, the cover body 200 is covered on the box body 100, the cover body 200 is moved, the clamping body 211 is inserted into the sliding groove 121, the clamping part 210 is in sliding type buckling fit with the buckling part 120, meanwhile, the first limiting structure 310 is matched with the second limiting structure 320 to limit the separation of the clamping part 210 and the buckling part 120, the cover body 200 is fixed on the box body 100, so that the cover body 200 shields the inlet and outlet 111, and the circuit line body and the power line in the protection cavity 110 can be insulated and protected, so that the electrical safety performance can be improved. In addition, the electrical box 12 has high assembly efficiency, which is beneficial to improving the assembly efficiency and the later maintenance efficiency of the air-conditioning indoor unit 10 and reducing the production cost.

As shown in fig. 6 and 7, in some embodiments, the case 100 further includes a wire body fixing portion 130 disposed in the protective cavity 110, and the wire body fixing portion 130 is used to fix a power line and/or a circuit line. Thus, the connecting position of the exposed circuit wire and the power line can be conveniently fixed in the protection cavity 110 by the wire fixing part 130.

It should be noted that the wire body fixing portion 130130 may be implemented in various ways, such as an insulating compression block, an insulating snap structure, an insulating screw, and the like.

Optionally, a portion of the power cord is disposed outside of the housing assembly 11 and has a plug.

As shown in fig. 6 and 7, on the basis of the above-mentioned embodiment of the sliding slot 121, in some embodiments, at least a portion of the fastening portion 120 is disposed outside the first side and protrudes in a direction away from the access opening 111 to form the sliding slot 121; the locking portion 210 is disposed at an outer edge of the cover body 200, the cover body 200 is provided with an avoiding groove 220 for avoiding a portion of the fastening portion 120, and the fastening portion 120 is inserted into the cover body 200 through the avoiding groove 220, so that the locking portion 211 is disposed opposite to the sliding groove 121. Thus, when the cover 200 is installed, the fastening portion 120 is inserted into the cover 200 through the avoiding groove 220, so that the locking body 211 and the sliding groove 121 are oppositely disposed, and then the locking body 211 moves along the length direction of the sliding groove 121, so that the locking body 211 is locked in the sliding groove 121, and the cover 200 is limited on the case 100, and only reciprocating movement in a set direction is performed, thereby realizing fixation or separation.

As shown in fig. 6 and 7, in addition to any of the above-mentioned embodiments of the sliding slot 121, in some embodiments, the first limiting structure 310 includes a convex portion 311 and a limiting portion 312 in limiting fit with the convex portion 311, the convex portion 311 is disposed between the cover 200 and the box 100, and the other one of the convex portion 311 and the limiting portion 312 is disposed. Thus, the protrusion 311 cooperates with the position-limiting part 312 to limit the cover 200 to move continuously along the set direction, and cooperates with the second position-limiting structure 320 to fix the cover 200 on the box 100.

The limit fitting of the "convex portion 311 and the limit portion 312" may be implemented in various ways, including at least one or a combination of two or more of the limit fitting of the convex portion 311 and the limit groove, the limit fitting of the convex portion 311 and the limit sidewall, and the like.

As shown in fig. 7, in some embodiments, the protrusion 311 is disposed on the cover 200, the limiting portion 312 is an inner sidewall of the protection cavity 110, the cover 200 is disposed on the box 100, and at least a portion of the protrusion 311 is disposed in the protection cavity 110. When the cover 200 is covered on the box 100, the protrusion 311 is inserted into the protection cavity 110, the locking body 211 is inserted into the sliding slot 121, and when the cover 200 continues to move to the set position along the set direction, the protrusion 311 abuts against the inner sidewall of the protection cavity 110 to limit the cover 200 to continue to move along the set direction, and the second limiting structure 320 can limit the locking body 211 to move away from the set direction, so that the cover 200 and the box 100 are fixed.

As shown in fig. 7 to 10, on the basis of any one of the above-mentioned embodiments of the sliding slot 121, in some embodiments, at least one of the locking portions 210 further includes a hook 212 disposed at a free end of the locking body 211, the hook 212 protrudes in a direction away from an inner side wall of the sliding slot 121, and the locking body 211 has elasticity; when the card body 211 is inserted into the sliding slot 121, the hook body 212 can elastically contract to abut against the inner side wall of the sliding slot 121; when the card body 211 moves to a set position, the hook body 212 elastically resets and forms a second limit structure 320 in limit fit with the outer side wall of the sliding groove 121. Thus, the hook body 212 is disposed at the free end of the card body 211, so that when the card body 211 is inserted into the sliding slot 121, the hook body 212 can elastically contract to abut against the inner side wall of the sliding slot 121; when the card body 211 moves to a predetermined position, the hook body 212 elastically resets and forms a second limit structure 320 in limit fit with the outer sidewall of the sliding groove 121, and cooperates with the first limit structure 310 to fix the cover 200 to the case 100, which is convenient to operate.

In addition, when the cover 200 is separated from the case 100, only the hook 212 needs to be compressed, so that the hook 212 is separated from the inner sidewall of the sliding slot 121, and the card 211 can move in the direction away from the setting direction to separate the card 211 from the sliding slot 121, thereby realizing the separation of the cover 200 from the case 100.

On the basis of any of the above embodiments, referring back to fig. 5 and fig. 6, in some embodiments, the cover body 200 is provided with a notch 230 slidably engaged with the sidewall of the protection cavity 110, the locking portion 210 is spaced apart from the notch 230, and the fastening portion 120 is disposed outside the protection cavity 110. Thus, the notch 230 is slidably engaged with the sidewall of the protection cavity 110, so that the cover 200 slides along the length direction of the sidewall of the protection cavity 110, thereby facilitating the sliding and snapping engagement between the locking portion 210 and the buckling portion 120.

As shown in fig. 11 and 12, in other embodiments, the box body 100 includes a blocking portion 140 disposed in the protection cavity 110, the blocking portion 140 is disposed near the access opening 111, an insertion portion 240 is disposed at one end of the cover body 200, and the insertion portion 240 can be inserted into the protection cavity 110 and is in limit fit with the blocking portion 140; and the locking portion 210 is engaged with the buckling portion 120 to fix the box 100 and the cover 200. Thus, when the cover body 200 is covered on the box body 100, the insertion part 240 is inserted into the protection cavity 110, and the cover body 200 is moved, so that the insertion part 240 is in limit fit with the blocking part 140; then, the cover body 200 is pressed downwards, so that the clamping part 210 is in snap fit with the buckling part 120, and the cover body 200 is fixed on the box body 100; in addition, in the process of fixing the outer housing 11b and the inner housing 11a, the first engaging portion 201 is engaged with the second engaging portion 101 to limit the separation of the locking portion 210 and the locking portion 120, so as to reliably fix the cover 200 to the box 100, and the cover 200 covers the access 111.

Optionally, the blocking portion 140 is provided with a rib (not shown) to improve the reliability of the engagement with the insertion portion 240.

The cover 200 and the outer case 11b are engaged with each other at least by the pair of first engaging portions 201 and the second engaging portions 101, so that the cover 200 and the case 100 are firmly fixed.

Referring to fig. 4 and 5, the cover 200 is provided with two second engaging portions 101, and correspondingly, the outer housing 11b is also provided with two first engaging portions 201 corresponding to the second engaging portions 101 one by one.

As shown in fig. 11, the cover 200 is provided with a second engaging portion 101, and correspondingly, the outer housing 11b is also provided with a first engaging portion 201 corresponding to the second engaging portion 101.

In addition, the specific implementation manners of the "first matching part 201 and the second matching part 101" can be various, including one being a protrusion and the other being a recess; or one is a bulge, and the other is a limiting surface; or a combination of at least two of the above.

As shown in fig. 13, on the basis of any of the above embodiments, in some embodiments, the first matching portion 201 is a protrusion and is disposed on the outer shell 11 b; the second matching portion 101 is a limiting inclined surface and is disposed on the cover 200. Thus, when the outer housing 11b is fixed on the inner housing 11a, the protrusion will press against the limit inclined plane, so as to realize the limit matching between the first matching portion 201 and the second matching portion 101, so that the locking portion 210 and the fastening portion 120 cannot be separated, and further fix the cover 200 and the box 100.

As shown in fig. 14, on the basis of any of the above embodiments, in some embodiments, the first matching portion 201 is a protrusion and is disposed on the outer shell 11 b; the second engaging portion 101 is a limiting concave portion and is disposed on the cover 200. Thus, when the outer housing 11b is fixed to the inner housing 11a, the protruding portion is inserted into the limiting recess, so that the locking portion 210 and the fastening portion 120 cannot be separated, and the cover 200 and the box 100 are further fixed.

In addition to any of the above embodiments, in some embodiments, the electrical box 12 is fixed to the inner housing. Therefore, during subsequent maintenance, the cover body 200 can be conveniently opened by only disassembling the shell to see the electrical box 12 so as to overhaul the circuit line body and the power line.

Note that, the implementation manner of "the electrical box 12 is fixed on the inner casing" includes but is not limited to at least one or a combination of two or more of snap fixing, bolt fixing, and rivet fixing.

As shown in fig. 15, in an exemplary embodiment, the inner shell is provided with stud holes 102 and limiting grooves 103, and the box body 100 is provided with connecting through holes 150 corresponding to the stud holes 102 one by one and limiting convex ridges 160 corresponding to the limiting grooves 103 one by one. Thus, when the box body 100 is fixed on the inner shell, the limiting convex edge 160 is inserted into the limiting groove 103, and then the screw rod passing through the bolt is matched with the screw column hole 102 through the connecting hole, so that the box body 100 can be detachably fixed on the inner shell.

As shown in fig. 16, in some embodiments of the present disclosure, an air conditioning system is provided, which includes an outdoor unit 20 and the indoor unit 10, where the outdoor unit 20 is matched with the indoor unit 10 to enable the indoor unit 10 to provide temperature-adjustable air.

The air conditioning system adopts the air conditioning indoor unit 10, has high electrical safety performance and high assembly efficiency, and is favorable for improving the competitiveness of the air conditioning system.

When the air conditioning system is used, the humidification effect can be improved when the requirement of indoor fresh air ventilation of people is met and in a fresh air mode. And further, the indoor air conditioner can provide temperature-adjusting air for a closed space such as a room by being matched with the outdoor unit 20 of the air conditioner, and can adjust indoor humidity so as to improve indoor life quality of people. And the electric operation is safe and reliable, and the electric operation can be favored by consumers better, and has better product competitiveness.

As shown in fig. 16, in some embodiments, the air conditioning system further includes a control module on the air conditioning indoor unit 10, and the control module is communicatively connected to the air conditioning indoor unit 10 and the air conditioning outdoor unit 20. Thus, the control module is convenient for control and interaction with users, such as control of starting or stopping of the fresh air device; or controlling the start and stop of the driver, and the like; or starting and stopping the airflow generation module, adjusting the air volume and the like; or controlling the heating or stopping of the heating member, adjusting the magnitude of the heating value, and the like.

The control module includes a main control chip, which at least includes a Processor, and the Processor may be a Micro-controller Unit (MCU), a Central Processing Unit (CPU), or a Digital Signal Processor (DSP).

The control module generally controls the overall operation of the air conditioning system, such as opening and closing control, heating control, cooling control, dehumidification control, fresh air start or shut-off, air volume regulation control, and the like. The control module may include one or more processors to execute instructions to perform all or a portion of the steps of the methods described above. In addition, the control module can include one or more modules that facilitate interaction between the control module and other components. For example, the control circuit board also includes a communication unit for other modules to communicate, such as the new trend device of this disclosure.

In one embodiment, the control module further comprises a memory configured to store various types of data to support operation in the air conditioning system. Examples of such data include instructions for any application or method operating on the air conditioning system, air volume size data, heating data, cooling data, fresh air intake data, and the like. The memory may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, and the like.

The specific implementation manner of the 'the air conditioner outdoor unit is matched with the air conditioner indoor unit so that the air conditioner indoor unit can provide temperature-adjusting gas' can be various and can be implemented in the traditional technology, and the limitation is not needed.

In the description of the present disclosure, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present disclosure and to simplify the description, but are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present disclosure.

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

In the present disclosure, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In the present disclosure, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to," "disposed on," "secured to," or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Further, when one element is regarded as being fixedly connected with the other element in a transmission manner, the two elements can be detachably connected and also can be fixed in an undetachable manner, power transmission can be achieved, such as sleeving, clamping, integrally-formed fixing, welding and the like, and the traditional technology can achieve the purpose of no encumbrance. When an element is perpendicular or nearly perpendicular to another element, it is desirable that the two elements are perpendicular, but some vertical error may exist due to manufacturing and assembly effects. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only show several embodiments of the present disclosure, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, variations and modifications can be made without departing from the inventive concept of the present disclosure, and these are all within the scope of the present disclosure.

Claims (10)

1. An indoor unit of an air conditioner, comprising:

the shell assembly comprises an inner shell and an outer shell arranged outside the inner shell; and

the electrical box comprises a box body fixedly arranged on the inner shell and a cover body covered on the box body, the box body is provided with a protective cavity and an inlet and an outlet communicated with the protective cavity, the cover body is used for shielding the inlet and the outlet, one of the cover body and the box body is provided with a clamping part, and the other one of the cover body and the box body is provided with a buckling part matched with the clamping part in a buckling way;

one of the outer shell and the cover body is provided with a first matching part, the other one of the outer shell and the cover body is provided with a second matching part, and the second matching part is in limit matching with the first matching part so as to limit the separation of the clamping part and the buckling part.

2. An indoor unit of an air conditioner as claimed in claim 1, wherein the locking portions are slidably and snap-fitted to the fastening portions and correspond to one another, the protection chamber includes two first sides disposed oppositely, and each of the two first sides is provided with at least one of the locking portions or the fastening portions; the electrical box comprises a limiting unit for limiting the separation of the clamping part and the buckling part.

3. An indoor unit of an air conditioner as claimed in claim 2, wherein the limiting unit comprises a first limiting structure disposed between the cover and the box and a second limiting structure disposed between the locking part and the buckling part, and the first limiting structure and the second limiting structure cooperate to limit the separation of the locking part and the buckling part; the buckling part is provided with a sliding groove, and the clamping part comprises a clamping body which can be inserted into the sliding groove along a set direction; when the card body is inserted into the sliding groove along the set direction and moves to the set position, the first limiting structure can limit the cover body to continue to move along the set direction, and the second limiting structure can limit the card body to move away from the set direction, so that the cover body is fixed with the box body.

4. An indoor unit of an air conditioner according to claim 3, wherein the first position-limiting structure includes a convex portion and a position-limiting portion that is position-limited and engaged with the convex portion, the convex portion is provided on one of the cover and the box, and the other is provided with the position-limiting portion.

5. An indoor unit of an air conditioner according to claim 4, wherein the protrusion is provided on the cover, the limiting portion is an inner side wall of the protection chamber, the cover is provided on the casing, and at least a part of the protrusion is provided in the protection chamber.

6. An indoor unit of an air conditioner according to claim 3, wherein at least one of the engaging portions further includes a hook provided at a free end of the engaging portion, the hook protruding in a direction away from an inner side wall of the slide groove, the engaging portion having elasticity; when the clamping body is inserted into the sliding groove, the hook body can elastically contract to abut against the inner side wall of the sliding groove; when the clamping body moves to a set position, the hook body elastically resets and is in limit fit with the outer side wall of the sliding groove to form the second limit structure.

7. An indoor unit of an air conditioner according to claim 3, wherein at least a part of the hook is provided outside the first side and protrudes in a direction away from the inlet/outlet to form the slide groove; the clamping portion is arranged at the edge of the cover body, the cover body is provided with an avoiding groove for avoiding the part of the buckling portion, and the buckling portion is inserted into the cover body through the avoiding groove so that the clamping body and the sliding groove are arranged oppositely.

8. An indoor unit of an air conditioner as claimed in claim 2, wherein the casing has a notch slidably fitted to a side wall of the protection chamber, the engaging portion is spaced apart from the notch, and the fastening portion is disposed outside the protection chamber.

9. An indoor unit of an air conditioner as claimed in claim 1, wherein the casing includes a blocking portion disposed in the protection chamber, the blocking portion is disposed adjacent to the inlet and outlet, and an insertion portion is disposed at one end of the cover and is capable of being inserted into the protection chamber and engaging with the blocking portion in a limited manner; and the clamping part is matched with the buckling part in a buckling way so as to fix the box body and the cover body.

10. An air conditioning system comprising an outdoor unit and the indoor unit of claim 9, wherein the outdoor unit and the indoor unit cooperate to provide a temperature-controlled gas.

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