CN223077040U - Indoor unit of air conditioner - Google Patents

Abstract

The utility model provides an air conditioner indoor unit, relates to the technical field of air conditioners, and is designed for solving the problem that the use requirement in kitchen space is difficult to meet by directly adopting an air pipe machine as a scheme of a kitchen air conditioner. The air conditioner indoor unit comprises a shell, a heat exchanger, an electric control box and a wind wheel assembly, wherein the shell is provided with an inner cavity, an air inlet and an air outlet, the heat exchanger is arranged in the inner cavity and comprises a first side wall, a connecting wall and a second side wall which are sequentially arranged in a U shape, the first side wall, the connecting wall and the second side wall enclose a mounting cavity opposite to the front wall of the shell, the wind wheel assembly is arranged in the mounting cavity and comprises a driving motor and a wind wheel driven to rotate by the driving motor, the electric control box is positioned above the driving motor and is provided with a first fixing structure, and the first fixing structure is used for being fixedly connected with the shell. The utility model has compact structure and can meet the use requirement in kitchen space.

Description

Indoor unit of air conditioner

Technical Field

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

Background

When the air duct machine is used, the air duct machine is usually installed in a suspended ceiling, so that the air duct machine has high requirements on the thickness dimension in the up-down direction, namely, the air duct machine needs to be designed to be as thin as possible, and the length dimension in the left-right direction and the width dimension in the front-back direction are low.

If the air duct machine is directly used as a kitchen air conditioner, the kitchen space is usually about 4 square meters, and when the air duct machine is installed, the duct and the giving way flue are also arranged in the suspended ceiling space, so that the originally narrow space becomes extremely limited, and the use requirement in the kitchen space is difficult to meet.

Disclosure of utility model

The utility model aims to provide an air conditioner indoor unit, which solves the technical problem that the use requirement in kitchen space is difficult to meet by directly adopting an air pipe machine as a scheme of a kitchen air conditioner.

The utility model provides an air conditioner indoor unit which comprises a shell, a heat exchanger, an electric control box and a wind wheel assembly, wherein the shell is provided with an inner cavity, an air inlet and an air outlet, the heat exchanger is arranged in the inner cavity and comprises a first side wall, a connecting wall and a second side wall which are sequentially arranged in a U shape, the first side wall, the connecting wall and the second side wall enclose a mounting cavity opposite to the front wall of the shell, the wind wheel assembly is arranged in the mounting cavity, the wind wheel assembly comprises a driving motor and a wind wheel driven by the driving motor to rotate, the electric control box is arranged above the driving motor, and the electric control box is provided with a first fixing structure which is fixedly connected with the shell.

Through setting up the air conditioning indoor unit that mainly comprises shell, heat exchanger, automatically controlled box and wind wheel subassembly, when this air conditioning indoor unit operation is needed, the driving motor of wind wheel subassembly starts, drives the wind wheel and rotates to produce the negative pressure effect at the inner chamber of shell, make outside wind can inhale through the induced air mouth, through with the heat transfer processing of heat exchanger after, discharge by the supply-air outlet, carry out corresponding refrigeration or heat treatment for indoor environment.

The air conditioner indoor unit is provided with the heat exchanger with the U-shaped structure, so that the installation cavity capable of accommodating the wind wheel assembly is formed inside the air conditioner indoor unit, the effective utilization of the inner cavity space is realized, the compactness of the air conditioner indoor unit is guaranteed, the length dimension of the air conditioner indoor unit in the left-right direction and the width dimension of the air conditioner indoor unit in the front-back direction are reduced, the electric control box is arranged above the driving motor, the transverse space of the inner cavity can be further saved, the length of the heat exchanger is not required to be reduced, and the heat exchange capacity of the heat exchanger is guaranteed. The setting of the first fixing structure can realize the fixed connection between the electric control box and the shell after the electric control box is mounted above the driving motor, so that the mounting stability of the electric control box is ensured.

Further, the first fixing structure is fixedly connected with the front wall of the shell, and the front wall is also provided with an access hole opposite to the electric control box. The setting of access hole for when need overhauling automatically controlled box, can directly go on through above-mentioned access hole, and need not to dismouting to the shell, convenient operation has improved maintenance efficiency.

Further, the indoor unit of the air conditioner further comprises a water receiving disc and a water pump, wherein the water receiving disc is positioned below the heat exchanger, the lower surface of the water receiving disc forms the lower wall of the shell, the water pump is arranged in the inner cavity, and the water inlet of the water pump is communicated with the water receiving disc. The device not only can realize concentrated collection and active drainage of condensed water, but also can reduce the number of parts forming the indoor unit of the air conditioner and improve the assembly efficiency.

Further, the air conditioner indoor unit further comprises a motor support, the motor support is fixedly connected with the shell, the driving motor is mounted on the motor support, the motor support is provided with a supporting portion, and the supporting portion is used for supporting the electric control box. The motor bracket provides a mounting foundation for the driving motor, so that the driving motor can be stably positioned in the inner cavity of the shell, and the working stability of the driving motor is ensured. Through set up supporting part at the motor support, can realize the support to automatically controlled box to optimize the atress of shell when guaranteeing automatically controlled box stability.

Further, the motor support is provided with a second fixing structure, and the second fixing structure is used for being fixedly connected with the electric control box. The form of simultaneously and fixedly connecting the electric control box with the shell and the motor support increases the quantity of constraint points of the electric control box, and meanwhile, the distribution area of the constraint points of the electric control box is increased, so that the constraint reliability of the electric control box is ensured, the shaking of the electric control box is reduced, and the electric control performance of the electric control box is ensured.

Further, the motor bracket is fixedly connected with the upper wall and/or the front wall of the shell. The motor support is provided with a containing groove penetrating in the front-back direction, the bottom wall of the containing groove forms the supporting part, the notch of the containing groove faces upwards, and the electric control box is contained between the containing groove and the upper wall. This setting not only can realize the support to automatically controlled box, but also can play limiting displacement to automatically controlled box in the left and right directions.

Further, along the front-back direction, the size of the first side wall is smaller than that of the second side wall, the first side wall forms a mounting notch at the free end part of the first side wall, the mounting notch is opposite to the second side wall along the left-right direction, and the water pump is arranged in the mounting notch. Through setting up the water pump in above-mentioned position, can reduce the blocking to the air current at the air inlet in-process to weaken the influence to the wind field, guarantee intake and air output.

Further, the water receiving disc is provided with a water guide area, a water outlet and a sinking structure, the water guide area is located right below the heat exchanger, the water receiving disc is provided with a first side edge and a second side edge which are arranged at intervals along the left-right direction, the water outlet is arranged on the first side edge, the water guide area is gradually inclined downwards from the second side edge to the first side edge, the sinking structure is located between the water guide area and the water outlet, and a water inlet of the water pump is communicated with the sinking structure. When utilizing the water pump to carry out the drainage, through set up the structure of sinking that communicates with the water inlet of water pump between water guide area and outlet for at the comdenstion water from the in-process that water guide area flowed to the outlet, can pass through the structure of sinking, with utilize the structure of sinking to precipitate the impurity in the comdenstion water, prevent that impurity from being inhaled the water pump and jam even damage the water pump, played certain guard action to the water pump.

Further, the sinking structure is provided with a plurality of water bars, and the water bars are structured into a labyrinth flow passage from the water guide area to the water outlet. The water receiving tray is provided with a U-shaped fixing area, a first blocking rib and a second blocking rib, the U-shaped trend of the U-shaped fixing area is identical to that of the heat exchanger, the heat exchanger is clamped in the U-shaped fixing area, the first blocking rib is arranged at the first end part of the U-shaped fixing area, the second blocking rib is arranged at the second end part of the U-shaped fixing area, and the first blocking rib separates the sinking structure from the U-shaped fixing area. Through setting up above-mentioned U type fixed zone in the water collector, can realize fixing the heat exchanger to, through setting up first fender muscle and second respectively at the both ends of U type fixed zone and keep off the muscle, can also play spacing effect to the heat exchanger, prevent that the heat exchanger from shifting forward.

Further, the motor support is further provided with a water pump connecting portion, the water pump is installed in the motor support through the water pump connecting portion, the water pump is located the below of motor support, and the water pump with driving motor arranges along the fore-and-aft direction.

The water receiving disc is provided with a water guide area, a water outlet and a sinking structure, the water guide area is located under the heat exchanger, the water receiving disc is provided with a third side edge and a fourth side edge which are arranged at intervals along the front-back direction, the third side edge is close to the front wall of the shell, the fourth side edge is close to the rear wall of the shell, the water receiving disc is provided with the water outlet at two ends in the left-right direction, the water outlet is close to the third side edge, the water guide area is gradually inclined downwards from the fourth side edge to the third side edge, the sinking structure is located under the water pump, and the water inlet of the water pump is communicated with the sinking structure. The setting of sinking structure for comdenstion water is at the impurity of flowing its impurity in process can get into sinking structure and deposit, thereby makes when utilizing the water pump to drain, and impurity can not get into the water pump and jam even damage the water pump, has played certain guard action to the water pump.

Further, the driving motor is a double-shaft motor, two output shafts of the double-shaft motor are respectively arranged in a left-right direction in a back-to-back mode, the number of the wind wheels is two, the two wind wheels are respectively and fixedly sleeved on the two output shafts in a one-to-one correspondence mode, the two wind wheels are arranged at intervals in the left-right direction, and the electric control box is located between the two wind wheels. The mode of simultaneously driving the two wind wheels by using one driving motor can save the inner cavity space and is beneficial to further reducing the size of the indoor unit of the air conditioner. Through setting up automatically controlled box between two wind wheels, realized the effective utilization to the space between two wind wheels, guaranteed the structure compactness to, because automatically controlled box is located driving motor's top, can also reduce the shielding that causes the wind field, thereby reduced the amount of wind loss.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of an external structure of an indoor unit of an air conditioner according to a first embodiment of the present utility model;

fig. 2 is a schematic diagram of an internal structure of an indoor unit of an air conditioner according to a first embodiment of the present utility model;

Fig. 3 is a front view in cross section of an indoor unit of an air conditioner according to a first embodiment of the present utility model;

fig. 4 is a schematic installation diagram of a driving motor of an indoor unit of an air conditioner in a motor bracket according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of a water pan of an indoor unit of an air conditioner according to an embodiment of the present utility model;

fig. 6 is a schematic diagram of an internal structure of an indoor unit of an air conditioner according to a second embodiment of the present utility model;

fig. 7 is a schematic installation diagram of a driving motor of an indoor unit of an air conditioner in a motor bracket according to a second embodiment of the present utility model;

fig. 8 is a schematic diagram of an internal structure of an indoor unit of an air conditioner according to a third embodiment of the present utility model;

Fig. 9 is a side view and a cross-sectional structure of an indoor unit of an air conditioner according to a third embodiment of the present utility model;

Fig. 10 is a schematic installation diagram of a driving motor of an indoor unit of an air conditioner in a motor bracket according to a third embodiment of the present utility model;

Fig. 11 is a schematic diagram illustrating the installation of a driving motor and a water pump in a motor bracket of an indoor unit of an air conditioner according to a third embodiment of the present utility model;

Fig. 12 is a schematic structural diagram of a water pan of an indoor unit of an air conditioner according to a third embodiment of the present utility model.

Reference numerals illustrate:

100-shell, 200-heat exchanger, 300-electric control box, 400-wind wheel assembly, 500-water pan and 600-water pump;

110-inner cavity, 120-air guiding port, 130-air supplying port, 141-front wall, 1411-access port, 142-upper wall, 143-left wall and 144-right wall;

210-a first side wall, 220-a connecting wall, 230-a second side wall;

310-a first fixed structure;

410-a driving motor, 411-an output shaft, 420-a wind wheel, 430-a motor bracket, 431-a supporting part, 432-a second fixing structure and 433-a water pump connecting part;

510-a water guide area, 520-a water outlet, 530-a sinking structure, 531-a water baffle bar, 541-a first side edge, 542-a second side edge, 543-a third side edge, 544-a fourth side edge, 550-a U-shaped fixing area, 560-a first baffle rib and 570-a second baffle rib.

Detailed Description

At present, the interior of the air duct machine is divided into a heat exchanger cavity and a fan cavity, and in order to increase the heat exchange area, the heat exchanger is generally obliquely arranged in the heat exchanger cavity, so that the width of the air duct machine is large, and a large amount of space in the front-rear direction inside the suspended ceiling can be occupied. In addition, the existing air duct machine mainly adopts a mode of air outlet of a side air opening, in order to increase air outlet quantity, the air opening is usually made thinner and longer, so that the length of the air duct machine is also larger, and a large amount of space in the left-right direction inside a suspended ceiling can be occupied.

Therefore, if the structure of the existing air duct machine is directly moved to the kitchen air conditioner, the size is obviously oversized, the use requirement of a narrow kitchen space cannot be met, and a large improvement space exists.

Based on the above, the utility model aims to provide an air conditioner indoor unit so as to solve the technical problem that the air conditioner indoor unit directly adopts an air duct machine as a scheme of kitchen air conditioning, and the use requirement in kitchen space is difficult to meet.

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Example 1

Fig. 1 is a schematic diagram of an external structure of an indoor unit of an air conditioner according to a first embodiment of the present invention. As shown in fig. 1, the present embodiment provides an air conditioner indoor unit.

Fig. 2 is a schematic diagram of an internal structure of an indoor unit of an air conditioner according to the first embodiment. As shown in fig. 2, the indoor unit of an air conditioner comprises a housing 100, a heat exchanger 200, an electric control box 300 and a wind wheel assembly 400, wherein the housing 100 is provided with an inner cavity 110, an air inlet 120 and an air outlet 130, the heat exchanger 200 is arranged in the inner cavity 110, the heat exchanger 200 comprises a first side wall 210, a connecting wall 220 and a second side wall 230 which are sequentially arranged in a U shape, the first side wall 210, the connecting wall 220 and the second side wall 230 enclose an installation cavity opposite to a front wall 141 of the housing 100, the wind wheel assembly 400 is arranged in the installation cavity, the wind wheel assembly 400 comprises a driving motor 410 and a wind wheel 420 driven to rotate by the driving motor 410, the electric control box 300 is positioned above the driving motor 410, the electric control box 300 is provided with a first fixing structure 310, and the first fixing structure 310 is used for being fixedly connected with the housing 100.

When the indoor unit of the air conditioner is required to operate, the driving motor 410 of the wind wheel assembly 400 is started to drive the wind wheel 420 to rotate, so that negative pressure is generated in the inner cavity 110 of the shell 100, external wind can be sucked through the wind inlet 120, and after heat exchange treatment with the heat exchanger 200, the external wind is discharged through the wind outlet 130, and corresponding refrigeration or heating treatment is performed on the indoor environment.

The air conditioner indoor unit is provided with the heat exchanger 200 with the U-shaped structure, so that an installation cavity capable of accommodating the wind wheel assembly 400 is formed inside the air conditioner indoor unit, the effective utilization of the space of the inner cavity 110 is realized, the compactness of the air conditioner indoor unit is guaranteed, the length dimension of the air conditioner indoor unit along the left-right direction and the width dimension along the front-back direction are reduced, the electric control box 300 is placed above the driving motor 410, the transverse space of the inner cavity 110 can be further saved, the length of the heat exchanger 200 is not required to be reduced, and the heat exchange quantity of the heat exchanger 200 is guaranteed. The first fixing structure 310 may be configured to realize the fixed connection between the electronic control box 300 and the housing 100 after the electronic control box 300 is mounted above the driving motor 410, so as to ensure the mounting stability of the electronic control box 300.

Specifically, the first fixing structure 310 includes a connection lug extending outwards from the box body of the electronic control box 300 and a first connection hole formed in the connection lug, and correspondingly, the front wall 141 of the housing 100 is provided with a first fixing hole opposite to the first connection hole, and the first fixing hole and the first connection hole are connected by using a first connecting piece, so that the electronic control box 300 can be fixed on the housing 100. Wherein the first connection may be a threaded connection.

With continued reference to fig. 1 and 2, in the present embodiment, the housing 100 may further include a rear wall opposite to the front wall 141, left and right walls 143 and 144 opposite to and spaced apart from each other in the left-right direction, and upper and lower walls 142 and 144 opposite to each other in the up-down direction. That is, the housing 100 has a substantially rectangular parallelepiped structure. This setting is convenient for the transportation of air conditioner indoor set and installs at the furred ceiling inside.

In this embodiment, the dimension of the housing 100 in the left-right direction is less than 600mm, the dimension of the housing 100 in the front-rear direction is less than 250mm, and the dimension of the housing 100 in the up-down direction is less than 230mm. This is illustrated in FIG. 1, i.e., L <600mm, B <250mm, H <230mm.

Through setting up shell 100 in above-mentioned size range, can be after taking off the aluminous gusset, directly with the air conditioning indoor set from down upwards the sloping plug into furred ceiling inner space, realize still can not destroy the furred ceiling after the kitchen has finished the furred ceiling, install on the basis of cutting the fossil fragments.

In the present embodiment, the "left-right direction" may be indicated by an arrow ab in fig. 1, the "front-rear direction" may be indicated by an arrow cd in fig. 1, and the "up-down direction" may be indicated by an arrow ef in fig. 1.

In this embodiment, the left wall 143, the rear wall and the right wall 144 are integrally formed, and the upper wall 142 is integrally formed with the front wall 141. Through this setting, not only can reduce the spare part quantity that constitutes shell 100, improve assembly efficiency, moreover, can also guarantee the structural strength of shell 100.

With continued reference to fig. 1 and 2, in the present embodiment, the left wall 143, the rear wall and the right wall 144 are all provided with the air guiding openings 120, and the air supplying opening 130 is provided with the front wall 141. The heat exchanger 200 is disposed proximate to the rear wall, specifically, the first side wall 210 of the heat exchanger 200 is parallel to the left wall 143, the connecting wall 220 of the heat exchanger 200 is parallel to the rear wall, and the second side wall 230 of the heat exchanger 200 is parallel to the right wall 144.

The above-mentioned setting makes in the operation in-process of air conditioning indoor set, on the one hand, can form trilateral air inlet, has improved the air inlet amount of wind, has increased the air inlet distribution area for a plurality of positions of shell 100 circumference all can the air inlet, on the other hand, still makes the air current get into just after the shell 100 first time and carries out the heat exchange with heat exchanger 200, and heat exchange efficiency is higher.

In this embodiment, the air inlet and outlet paths of the indoor unit of the air conditioner are shown by open arrows in fig. 1.

It should be noted that, in other embodiments, the first side wall 210 may be disposed parallel to the right wall 144, and the second side wall 230 may be disposed parallel to the left wall 143.

Referring to fig. 2, in the present embodiment, the first fixing structure 310 is fixedly connected to the front wall 141 of the housing 100, and the front wall 141 is further provided with an access hole 1411 opposite to the electronic control box 300.

The setting of access port 1411 makes it possible to directly access the above access port 1411 without disassembling and assembling the housing 100 when it is necessary to overhaul the electronic control box 300, which is convenient to operate and improves maintenance efficiency.

Fig. 3 is a front view in cross section of an indoor unit of an air conditioner according to the first embodiment. Referring to fig. 2 in combination with fig. 3, in this embodiment, the indoor unit of the air conditioner may further include a water tray 500 and a water pump 600, specifically, the water tray 500 is located below the heat exchanger 200, the lower surface of the water tray 500 forms the lower wall of the housing 100, the water pump 600 is disposed in the inner cavity 110, and the water inlet of the water pump 600 is communicated with the water tray 500.

The setting of the water pan 500 can realize concentrated collection of condensed water generated in the working process of the heat exchanger 200, and avoid the condensed water from dropping to the suspended ceiling to damage the suspended ceiling. In addition, the lower wall of the housing 100 is formed by the lower surface of the water pan 500, so that the number of parts constituting the air conditioning indoor unit can be reduced, and the assembly efficiency can be improved. By providing the water pump 600 communicating with the water pan 500, active drainage of the water pan 500 can be achieved, and drainage efficiency is high.

Referring to fig. 2 and 3, in the embodiment, the driving motor 410 is a dual-shaft motor, wherein two output shafts 411 of the dual-shaft motor are respectively disposed opposite to each other along the left-right direction, the number of wind wheels 420 is two, the two wind wheels 420 are respectively and fixedly sleeved on the two output shafts 411 in a one-to-one correspondence manner, the two wind wheels 420 are disposed at intervals along the left-right direction, and the electric control box 300 is disposed between the two wind wheels 420.

The mode of simultaneously driving the two wind wheels 420 by using one driving motor 410 can save the space of the inner cavity 110, and is beneficial to further reducing the size of the indoor unit of the air conditioner. Through setting up automatically controlled box 300 between two wind wheels 420, realized the effective utilization to the space between two wind wheels 420, guaranteed the structure compactness to, because automatically controlled box 300 is located the top of driving motor 410, can also reduce the shielding that causes the wind field, thereby reduced the amount of wind loss.

That is, in the present embodiment, the electric control box 300 is located approximately at the middle of the inner cavity 110 along the left-right direction, and the electric control box 300 is located in the airflow path from the air intake 120 to the air supply 130.

The above arrangement of the electric control box 300 makes the air flow through the heat exchanger 200 heat exchange treatment flow through the electric control box 300 when the air conditioner indoor unit is operated in the cooling mode, and takes away the heat generated in the operation process of the electric control box 300, and then is discharged into the room through the air supply outlet 130. This process achieves effective heat dissipation of the electronic control box 300, avoiding the electronic control box 300 from affecting the electronic control performance due to excessive temperature.

Fig. 4 is a schematic installation diagram of a driving motor 410 of an indoor unit of an air conditioner in the first embodiment in a motor bracket 430. Referring to fig. 2 and 3, and referring to fig. 4, in this embodiment, the indoor unit of the air conditioner may further include a motor bracket 430, specifically, the motor bracket 430 is fixedly connected with the housing 100, the driving motor 410 is installed on the motor bracket 430, the motor bracket 430 is provided with a supporting portion 431, and the supporting portion 431 is used for supporting the electronic control box 300.

The above-mentioned arrangement of the motor bracket 430 provides a mounting base for the driving motor 410, so that the driving motor 410 can be stably located in the inner cavity 110 of the housing 100, and the working stability of the driving motor 410 is ensured. By providing the supporting portion 431 at the motor bracket 430, the supporting of the electronic control box 300 can be realized to optimize the stress of the casing 100 while ensuring the stability of the electronic control box 300.

With continued reference to fig. 4, in the present embodiment, the motor support 430 is provided with a second fixing structure 432, where the second fixing structure 432 is used for being fixedly connected with the electronic control box 300.

When the electronic control box 300 is assembled, the electronic control box 300 is supported by the supporting portion 431 of the motor bracket 430, and at this time, the electronic control box 300 may be fixed to the motor bracket 430 using the second fixing structure 432. That is, the electronic control box 300 is fixedly connected with the housing 100 not only through the first fixing structure 310, but also through the second fixing structure 432 to the motor bracket 430.

The mode of simultaneously and fixedly connecting the electric control box 300 with the shell 100 and the motor bracket 430 increases the number of constraint points of the electric control box 300, and meanwhile, increases the distribution area of the constraint points of the electric control box 300, ensures the constraint reliability of the electric control box 300, and reduces the shaking of the electric control box 300, thereby ensuring the electric control performance of the electric control box 300.

Specifically, the second fixing structure 432 includes a second connecting hole formed in the supporting portion 431, and correspondingly, the electric control box 300 is provided with a second fixing hole opposite to the second connecting hole, and the second fixing hole and the second connecting hole are connected by using the second connecting piece, so that the electric control box 300 can be fixed on the motor bracket 430. Wherein the second connection may be a threaded connection.

With continued reference to fig. 2 and 4, in the present embodiment, the motor bracket 430 is fixedly connected to the front wall 141 of the housing 100.

By fixedly connecting the motor bracket 430 with the front wall 141 of the housing 100, not only can the mounting stability of the motor bracket 430 be ensured, but also mounting interference to the upper electronic control box 300 is not caused.

With continued reference to fig. 2, in the present embodiment, the dimension of the first sidewall 210 is smaller than the dimension of the second sidewall 230 along the front-rear direction, and the first sidewall 210 forms an installation gap at the free end thereof, wherein the installation gap is opposite to the second sidewall 230 along the left-right direction, and the water pump 600 is disposed in the installation gap.

By arranging the water pump 600 at the above position, the blocking of the air flow can be reduced in the air inlet process, so that the influence on the wind field is weakened, and the air inlet quantity and the air outlet quantity are ensured.

Fig. 5 is a schematic structural diagram of a water pan 500 of an indoor unit of an air conditioner according to the first embodiment. As shown in fig. 5, in the present embodiment, the water receiving tray 500 is provided with a water guiding area 510, a water outlet 520 and a sinking structure 530, the water guiding area 510 is located right below the heat exchanger 200, the water receiving tray 500 has a first side edge 541 and a second side edge 542 arranged at intervals along the left-right direction, wherein the water outlet 520 is arranged at the first side edge 541, the water guiding area 510 is gradually inclined downwards from the second side edge 542 to the first side edge 541, the sinking structure 530 is located between the water guiding area 510 and the water outlet 520, and the water inlet of the water pump 600 is communicated with the sinking structure 530.

By the arrangement, the condensed water generated in the working process of the heat exchanger 200 can directly drip into the water guiding area 510, and the condensed water is guided to the water outlet 520 by the inclined arrangement of the water guiding area 510, specifically, flows from the second side edge 542 to the first side edge 541, so as to achieve the purpose of gravity drainage. When the water pump 600 is used for draining, the sinking structure 530 communicated with the water inlet of the water pump 600 is arranged between the water guide area 510 and the water outlet 520, so that in the process of flowing the condensed water from the water guide area 510 to the water outlet 520, impurities in the condensed water can be precipitated through the sinking structure 530, the impurities are prevented from being sucked into the water pump 600 to block or even damage the water pump 600, and a certain protection effect is achieved on the water pump 600.

In this embodiment, the drain port 520 provided in the water receiving tray 500 may be used as a standby port, and the water pump 600 is used for draining water. Wherein the water pump 600 has an independent water outlet.

In this embodiment, the drain port 520 may be provided with a pagoda-type fitting. This arrangement makes the drain line less prone to falling out when the drain line is connected to the drain port 520.

With continued reference to fig. 5, in the present embodiment, the sinking structure 530 is provided with a plurality of water blocking bars 531, wherein the plurality of water blocking bars 531 configure a labyrinth flow path from the water guiding area 510 to the water draining opening 520. That is, in the course of the condensed water flowing from the water guide region 510 to the water discharge opening 520, it passes through the labyrinth flow passage constructed by the water blocking bars 531.

By providing the water blocking strip 531 in the sinking structure 530, a labyrinth flow path can be formed between the water guiding region 510 and the water outlet 520, and the blocking effect of the water blocking strip 531 on the flow process of the condensed water can be utilized to block impurities therein, so that the water outlet 520 is prevented from being blocked by the outflow of the impurities.

Referring to fig. 5, in the embodiment, the water pan 500 is further provided with a U-shaped fixing area 550, a first blocking rib 560 and a second blocking rib 570, wherein the U-shaped trend of the U-shaped fixing area 550 is the same as that of the heat exchanger 200, the heat exchanger 200 is clamped in the U-shaped fixing area 550, the first blocking rib 560 is disposed at a first end of the U-shaped fixing area 550, the second blocking rib 570 is disposed at a second end of the U-shaped fixing area 550, and the first blocking rib 560 separates the sinking structure 530 from the U-shaped fixing area 550.

By providing the U-shaped fixing area 550 in the water pan 500, the heat exchanger 200 can be fixed, and by providing the first rib 560 and the second rib 570 at the two ends of the U-shaped fixing area 550, the heat exchanger 200 can be limited, so as to prevent the heat exchanger 200 from moving forward (in the direction indicated by the arrow c in fig. 5).

In addition, the first ribs 560 also function to separate the submerged structure 530 from the U-shaped fixing section 550, so that condensed water in the submerged structure 530 does not splash to the U-shaped fixing section 550.

Example two

The present embodiment provides another air conditioning indoor unit that is different from the air conditioning indoor unit in the first embodiment described above in the following.

Fig. 6 is a schematic diagram of an internal structure of an indoor unit of an air conditioner according to a second embodiment. As shown in fig. 6, in the indoor unit of the air conditioner, a motor bracket 430 is fixedly coupled to an upper wall 142 of the casing 100.

By providing the motor bracket 430 to be fixedly coupled with the upper wall 142 of the housing 100, the installation stability of the motor bracket 430 can be ensured.

Fig. 7 is a schematic diagram illustrating the installation of the driving motor 410 of the indoor unit of the air conditioner in the second embodiment on the motor bracket 430. With continued reference to fig. 6, and with reference to fig. 7, in the present embodiment, the motor bracket 430 is provided with a receiving groove penetrating in the front-rear direction, wherein a bottom wall of the receiving groove forms a supporting portion 431, a notch of the receiving groove faces upward, and the electronic control box 300 is accommodated between the receiving groove and the upper wall 142.

When the electronic control box 300 is assembled to the inside of the casing 100, the electronic control box 300 is supported by the groove bottom wall of the accommodation groove, and at the same time, the groove side wall of the accommodation groove is utilized to play a limiting role in the left-right direction for the electronic control box 300. This arrangement not only achieves reliable support of the electronic control box 300, but also prevents the electronic control box 300 from falling off from the left or right side of the motor bracket 430.

Example III

The present embodiment provides yet another air conditioning indoor unit that differs from the air conditioning indoor unit in the first embodiment described above in the following.

Fig. 8 is a schematic diagram of an internal structure of an air conditioning indoor unit according to the third embodiment, fig. 9 is a cross-sectional side view of the air conditioning indoor unit according to the third embodiment, fig. 10 is a schematic diagram of a driving motor 410 of the air conditioning indoor unit according to the third embodiment mounted on a motor bracket 430, and fig. 11 is a schematic diagram of a driving motor 410 and a water pump 600 of the air conditioning indoor unit according to the third embodiment mounted on the motor bracket 430. As shown in fig. 8 to 11, in the present embodiment, the motor bracket 430 is further provided with a water pump connection part 433, wherein the water pump 600 is mounted to the motor bracket 430 through the water pump connection part 433, the water pump 600 is located below the motor bracket 430, and the water pump 600 and the driving motor 410 are arranged in the front-rear direction.

In this way, the water pump 600 is mounted by using the motor bracket 430, and a separate bracket is not required to be additionally arranged for the water pump 600, so that the occupation of the space of the inner cavity 110 can be further reduced while the number of parts is saved. Through setting up water pump 600 in above-mentioned position, still realized the effective utilization to motor support 430 below space, reduced the occupation of water pump 600 to the space between driving motor 410 and the heat exchanger 200, simultaneously, also can not influence the wind channel flow path of air current from heat exchanger 200 to wind wheel 420, guaranteed the smoothness that the air current flowed to wind wheel subassembly 400.

In this embodiment, the motor bracket 430 is fixedly coupled to the upper wall 142 of the housing 100.

Fig. 12 is a schematic structural diagram of a water pan 500 of an indoor unit of an air conditioner according to the third embodiment. As shown in fig. 12, the water pan 500 is provided with a water guiding area 510, a water outlet 520 and a sinking structure 530, the water guiding area 510 is located right below the heat exchanger 200, the water pan 500 is provided with a third side edge 543 and a fourth side edge 544 which are arranged at intervals along the front-back direction, wherein the third side edge 543 is close to the front wall 141 of the shell 100, the fourth side edge 544 is close to the rear wall of the shell 100, the water pan 500 is provided with water outlets 520 at both ends along the left-right direction, the water outlets 520 are close to the third side edge 543, the water guiding area 510 is gradually inclined downwards from the fourth side edge 544 to the third side edge 543, the sinking structure 530 is located right below the water pump 600, and the water inlet of the water pump 600 is communicated with the sinking structure 530.

By the arrangement, in the operation process of the indoor unit of the air conditioner in the third embodiment, the condensed water generated in the operation process of the heat exchanger 200 can be directly dripped into the water guiding area 510, and the condensed water is guided to the water outlet 520 by utilizing the inclined arrangement of the water guiding area 510, specifically, flows from the fourth side edge 544 to the third side edge 543, so as to achieve the purpose of gravity drainage. Due to the arrangement of the sinking structure 530, impurities of condensed water can enter the sinking structure 530 for precipitation in the flowing process, so that the impurities cannot enter the water pump 600 to block or even damage the water pump 600 when the water pump 600 is used for draining water, and a certain protection effect is achieved on the water pump 600.

In addition, by arranging the water discharge openings 520 at the two ends of the third side edge 543, the condensed water of the water receiving disc 500 can flow out from the two sides, so that the timeliness of water discharge is ensured, and the condensed water is prevented from gathering in the water receiving disc 500.

Although the present utility model is disclosed above, the present utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model should be assessed accordingly to that of the appended claims.

Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

In the above embodiments, descriptions of orientations such as "upper", "lower", "front", "rear", "left", "right", "side", and the like are based on the drawings.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (11)

1. The air conditioner indoor unit is characterized by comprising a shell (100), a heat exchanger (200), an electric control box (300) and a wind wheel assembly (400), wherein the shell (100) is provided with an inner cavity (110), an air inlet (120) and an air supply outlet (130), the heat exchanger (200) is arranged in the inner cavity (110), the heat exchanger (200) comprises a first side wall (210), a connecting wall (220) and a second side wall (230) which are sequentially arranged in a U-shaped mode, the first side wall (210), the connecting wall (220) and the second side wall (230) enclose an installation cavity opposite to a front wall (141) of the shell (100), the wind wheel assembly (400) is arranged in the installation cavity, the wind wheel assembly (400) comprises a driving motor (410) and a wind wheel (420) driven to rotate by the driving motor (410), the electric control box (300) is arranged above the driving motor (410), and the electric control box (300) is provided with a first fixing structure (310) which is used for being fixedly connected with the shell (100).

2. The indoor unit of claim 1, wherein the first fixing structure (310) is fixedly connected to a front wall (141) of the casing (100), and the front wall (141) is further provided with an access opening (1411) opposite to the electronic control box (300).

3. The indoor unit of claim 1, further comprising a water pan (500) and a water pump (600), wherein the water pan (500) is located below the heat exchanger (200), a lower surface of the water pan (500) forms a lower wall of the housing (100), the water pump (600) is disposed in the inner cavity (110), and a water inlet of the water pump (600) is communicated with the water pan (500).

4. An air conditioner indoor unit according to claim 3, further comprising a motor bracket (430), wherein the motor bracket (430) is fixedly connected with the housing (100), the driving motor (410) is mounted on the motor bracket (430), the motor bracket (430) is provided with a supporting part (431), the supporting part (431) is used for supporting the electric control box (300), the motor bracket (430) is provided with a second fixing structure (432), and the second fixing structure (432) is used for being fixedly connected with the electric control box (300).

5. An indoor unit for air conditioning according to claim 4, wherein the motor bracket (430) is fixedly connected with the upper wall (142) and/or the front wall (141) of the casing (100), and/or the motor bracket (430) is provided with a receiving groove penetrating in the front-rear direction, the groove bottom wall of the receiving groove forms the supporting portion (431), the notch of the receiving groove faces upward, and the electronic control box (300) is accommodated between the receiving groove and the upper wall (142).

6. An indoor unit for air conditioning according to claim 3, wherein the first side wall (210) has a smaller dimension than the second side wall (230) in the front-rear direction, the first side wall (210) forming a mounting notch at a free end thereof, the mounting notch being opposed to the second side wall (230) in the left-right direction, the water pump (600) being provided in the mounting notch.

7. The indoor unit of claim 6, wherein the water pan (500) is provided with a water guiding area (510), a water outlet (520) and a sinking structure (530), the water guiding area (510) is located right below the heat exchanger (200), the water pan (500) has a first side edge (541) and a second side edge (542) which are arranged at intervals in the left-right direction, wherein the water outlet (520) is arranged at the first side edge (541), the water guiding area (510) is gradually inclined downwards from the second side edge (542) to the first side edge (541), and the sinking structure (530) is located between the water guiding area (510) and the water outlet (520), and the water inlet of the water pump (600) is communicated with the sinking structure (530).

8. The indoor unit of claim 7, wherein the sinking structure (530) is provided with a plurality of water blocking strips (531), the water blocking strips (531) form a labyrinth flow channel from the water guiding area (510) to the water outlet (520), and/or the water receiving tray (500) is further provided with a U-shaped fixing area (550), a first blocking rib (560) and a second blocking rib (570), the U-shaped trend of the U-shaped fixing area (550) is identical to the U-shaped trend of the heat exchanger (200), the heat exchanger (200) is clamped in the U-shaped fixing area (550), the first blocking rib (560) is arranged at a first end part of the U-shaped fixing area (550), the second blocking rib (570) is arranged at a second end part of the U-shaped fixing area (550), and the first blocking rib (560) separates the sinking structure (530) from the U-shaped fixing area (550).

9. The indoor unit of claim 4, wherein the motor bracket (430) is further provided with a water pump connection part (433), the water pump (600) is mounted to the motor bracket (430) through the water pump connection part (433), the water pump (600) is located below the motor bracket (430), and the water pump (600) and the driving motor (410) are arranged in a front-rear direction.

10. The indoor unit of claim 9, wherein the water pan (500) is provided with a water guiding area (510), a water draining opening (520) and a sinking structure (530), the water guiding area (510) is located right below the heat exchanger (200), the water pan (500) is provided with a third side edge (543) and a fourth side edge (544) which are arranged at intervals along the front-back direction, wherein the third side edge (543) is close to a front wall (141) of the casing (100), the fourth side edge (544) is close to a rear wall of the casing (100), the water draining opening (520) is arranged at two ends of the water pan (500) along the left-right direction, the water draining opening (520) is close to the third side edge (543), the water guiding area (510) is gradually inclined downwards from the fourth side edge (544) to the third side edge (543), and the sinking structure (530) is located right below the water pump (600), and the water draining opening (600) is communicated with the water pump (530).

11. The indoor unit of claim 1, wherein the driving motor (410) is a double-shaft motor, two output shafts (411) of the double-shaft motor are respectively arranged in opposite directions along the left-right direction, the number of the wind wheels (420) is two, the two wind wheels (420) are respectively and fixedly sleeved on the two output shafts (411) in a one-to-one correspondence manner, the two wind wheels (420) are arranged at intervals along the left-right direction, and the electric control box (300) is positioned between the two wind wheels (420).