CN221944345U

CN221944345U - Indoor unit of air conditioner

Info

Publication number: CN221944345U
Application number: CN202323323874.4U
Authority: CN
Inventors: 周学明; 李德鹏; 尚庆安
Original assignee: Hisense Guangdong Air Conditioning Co Ltd
Current assignee: Hisense Guangdong Air Conditioning Co Ltd
Priority date: 2023-12-05
Filing date: 2023-12-05
Publication date: 2024-11-01
Anticipated expiration: 2033-12-05

Abstract

The utility model relates to the technical field of air conditioners and discloses an air conditioner indoor unit which comprises a shell, a heat exchanger, a fan, a water collecting disc and a drainage assembly, wherein the shell is arranged on the shell; the heat exchanger comprises a refrigerant inlet pipe and a refrigerant outlet pipe; at least one part of the water collecting disc is arranged below the heat exchanger and is used for collecting condensed water generated by the heat exchanger, and the water collecting disc comprises a water outlet pipe; the drainage assembly comprises a water pump and a drainage pipe, the water pump is connected with the water outlet pipe and the drainage pipe, and the other end of the drainage pipe extends to the outside of the shell; a certain accommodating space is formed between the water pump and the bottom shell, and the refrigerant inlet pipe and the refrigerant outlet pipe penetrate through the accommodating space and extend to the outside of the shell. Through setting up accommodation space between water pump and drain pan, realize erecting drain pipe and water pump in the top of refrigerant import pipe and refrigerant outlet pipe, and then prevent that the mounted position of drain pipe from appearing interfering with the mounted position of refrigerant import pipe and refrigerant outlet pipe, need not use the adapter to install, and then reduction in production cost.

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

An air conditioner is an apparatus for adjusting and controlling parameters such as temperature, humidity, and flow rate of ambient air in a building or structure by manual means. Along with the continuous improvement of the living standard of people, the demand of the air conditioner is also continuously improved.

The existing indoor unit of the air conditioner is provided with a heat exchanger and a water collecting disc, refrigerant is introduced into the heat exchanger, and air flow generates heat exchange through the heat exchanger, so that the temperature of the air flow is changed, and the regulation and control of the environmental temperature are realized. Because the external temperature of the heat exchanger is lower in the refrigeration state, moisture in the air can liquefy on the surface of the heat exchanger to generate condensed water. The water collecting tray is used for collecting the condensed water and then uniformly discharging the condensed water to the outside. The heat exchanger is provided with a refrigerant inlet and outlet pipe for introducing and discharging the refrigerant. The water collecting disc is provided with a water pump and a drain pipe to drain condensed water in the water collecting disc.

However, the installation positions of the drain pipe and the refrigerant inlet and outlet pipe in the existing structure are interfered, so that a plurality of adapters are required to be matched for use to adjust the arrangement path of the drain pipe, and the production cost is increased.

Disclosure of utility model

The utility model aims to solve the technical problems that:

the condition that the drain pipe is interfered with the refrigerant inlet and outlet pipes needs to be adjusted by using the adapter, so that the production cost is increased.

In order to solve the above technical problems, the present utility model provides an indoor unit of an air conditioner, including:

the shell comprises a bottom shell and a front cover, and the bottom shell and the front cover are connected to form a containing cavity;

The heat exchanger is arranged in the accommodating cavity and is used for exchanging heat with indoor air, and the heat exchanger comprises a refrigerant inlet pipe and a refrigerant outlet pipe, and the refrigerant inlet pipe and the refrigerant outlet pipe are arranged on one side of the heat exchanger;

The fan is used for driving the indoor air to flow through the heat exchanger, and the heat exchanger is arranged at the downstream of the indoor air flow direction;

The water collecting disc is arranged in the accommodating cavity, at least one part of the water collecting disc is arranged below the heat exchanger and used for collecting condensed water generated by the heat exchanger, and the water collecting disc comprises a water outlet pipe for discharging the condensed water;

The drainage assembly is arranged on one side of the fan and comprises a water pump and a drainage pipe; the water pump is arranged in the accommodating cavity, the water pump is used for driving condensed water to be discharged from the water collecting disc, the water inlet end of the water pump is connected with the water outlet pipe, the water outlet end of the water pump is connected with the water outlet pipe, and the other end of the water outlet pipe extends to the outside of the shell;

The water pump and the bottom shell are provided with a certain accommodating space, and the refrigerant inlet pipe and the refrigerant outlet pipe penetrate through the accommodating space to extend to the outside of the shell.

In one embodiment, the drain assembly further comprises a mount;

The fixing frame comprises a vertical plate and a connecting plate; the vertical plates are oppositely arranged at two sides of the fixing frame, the vertical plates are connected with the shell, and the accommodating space is arranged between the vertical plates at two sides; the connecting plate is connected with the vertical plates at two sides.

In one embodiment, the drain assembly further comprises a cartridge;

The box body comprises a first box body and a second box body; the first box body and the second box body are surrounded to form a cavity, the first box body is connected with the fixing frame, and the second box body is arranged on one side, far away from the fixing frame, of the first box body.

In one embodiment, the drain assembly further comprises a trigger; the trigger piece is arranged in the cavity;

The trigger piece comprises a bracket, a sliding rod and a floating block; the bracket is connected with the first box body; the sliding rod is in a straight rod shape and is connected with the bracket; the floating block is movably connected with the sliding rod, the floating block is sleeved on the outer side of the sliding rod, and the floating block is used for floating on the liquid level of the condensed water in the cavity.

In one embodiment, the drain assembly further comprises a water inlet nozzle; the water inlet nozzle is arranged on one side of the second box body and is used for connecting the box body with the water outlet pipe; the water pump is arranged at one side of the cavity close to the water inlet nozzle;

Wherein, a diversion surface is arranged at one side of the second box body away from the water inlet nozzle; the flow guide surface is arched towards the outer direction of the second box body in an arc shape.

In one embodiment, the drain pipe comprises a connecting part, an extending part and a guiding-out part; the connecting part is connected with the water pump; the extending part extends from the connecting part to a direction close to the refrigerant inlet pipe and the refrigerant outlet pipe, and penetrates through the box body; the guiding-out part is connected with the extending part, and the guiding-out part is arranged in parallel with the refrigerant inlet pipe and the refrigerant outlet pipe.

An indoor unit of an air conditioner, comprising:

The drainage assembly is integrally and once installed in the accommodating cavity and comprises a water pump and a drainage pipe; the water pump and the bottom shell are arranged at intervals to form an accommodating space; one end of the drain pipe is connected with the water pump, and the other end of the drain pipe extends to the outside of the shell;

The refrigerant inlet pipe and the refrigerant outlet pipe are arranged between the water pump and the bottom shell, and the accommodating space is used for allowing the refrigerant inlet pipe and the refrigerant outlet pipe to pass through.

In one embodiment, the drain assembly further comprises a mount and a box; the fixing frame is connected with the shell, and the box body comprises a first box body and a second box body; the first box body and the second box body surround to form a cavity, the first box body is connected with the fixing frame, the second box body is arranged on one side, far away from the fixing frame, of the first box body, and the water inlet nozzle is connected with the second box body.

Compared with the prior art, the air conditioner indoor unit has the beneficial effects that:

Through setting up accommodation space between water pump and drain pan, realize erecting drain pipe and water pump in the top of refrigerant import pipe and refrigerant outlet pipe, and then prevent that the mounted position of drain pipe and refrigerant import pipe and refrigerant outlet pipe from appearing interfering, do not need to use the adapter to install, and then reduction in production cost.

Through set up the cavity in the box to set up the water pump in the cavity, reduce the propagation effect of air generation vibration in the water pump working process, and then effectively reduce the noise in the water pump working process.

Drawings

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

FIG. 2 is a schematic view of the structure of the housing of the hidden part of the indoor unit in FIG. 1;

FIG. 3 is a schematic view of the drain assembly of FIG. 1 when installed;

FIG. 4 is a schematic view of the heat exchanger, water collection tray and drain assembly of FIG. 1;

FIG. 5 is an exploded view of the heat exchanger, water collection tray and drain assembly of FIG. 4;

FIG. 6 is a schematic view of the structure of the water collecting tray in FIG. 4;

FIG. 7 is a schematic view of the drain assembly of FIG. 1

FIG. 8 is an exploded view of the drain assembly of FIG. 7;

FIG. 9 is a schematic cross-sectional view of the drain assembly of FIG. 7;

FIG. 10 is a schematic view of the structure of the fixing frame in FIG. 7;

FIG. 11 is a schematic view of the second case of FIG. 8;

fig. 12 is a schematic view of the trigger of fig. 8.

The meaning of the reference numerals in the drawings are:

100. An air conditioner indoor unit;

10. a housing; 11. a bottom case; 12. a front cover; 15. a receiving chamber;

20. A heat exchanger; 21. a refrigerant inlet pipe; 22. a refrigerant outlet pipe;

30. a water collecting tray; 31. a water collection tank; 32. an inclined plane; 35. a water outlet pipe;

40. A drainage assembly; 41. a fixing frame; 411. a vertical plate; 412. a splice plate; 415. an accommodation space; 42. a case body; 421. a first case; 422. a second case; 423. edge banding; 424. a flow guiding surface; 425. a cavity; 43. a water inlet nozzle; 44. a water pump; 45. a drain pipe; 451. a connection part; 452. an extension; 453. a lead-out part; 46. a trigger; 461. a bracket; 462. a slide bar; 463. a floating block;

50. A blower.

Detailed Description

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 the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

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

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

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

It will be understood that when an element is referred to as being "fixed" 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. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 to 11, an indoor unit 100 of an air conditioner according to an embodiment of the utility model includes a housing 10, a heat exchanger 20, a water collecting tray 30, a drainage assembly 40 and a fan 50. The housing 10 is provided with a receiving chamber 15, and the receiving chamber 15 is used for receiving other components, so that the other components are protected by the housing 10. The housing 10 includes a bottom case 11 and a front cover 12; the bottom shell 11 is used for providing support for mounting and fixing other components, the front cover 12 covers the bottom shell 11, and the bottom shell 11 is connected with the front cover 12 to form a containing cavity 15. The heat exchanger 20 is arranged in the accommodating cavity 15, and the heat exchanger 20 is used for exchanging heat with indoor air; refrigerant is introduced into the heat exchanger 20, and the refrigerant generates state change in the heat exchanger 20, so that the external temperature of the heat exchanger 20 is changed, and heat exchange is generated between the passing air flow and the heat exchanger 20, so that the regulation and control of the ambient temperature are realized. The heat exchanger 20 includes a refrigerant inlet pipe 21 and a refrigerant outlet pipe 22; the refrigerant inlet pipe 21 and the refrigerant outlet pipe 22 are disposed at one side of the heat exchanger, the refrigerant inlet pipe 21 is used for introducing the refrigerant into the heat exchanger 20, and the refrigerant outlet pipe 22 is used for discharging the refrigerant in the heat exchanger 20 to form a refrigerant circulation loop. The blower 50 is for driving the indoor air to flow through the heat exchanger 20, and the heat exchanger 20 is disposed downstream in the indoor air flow direction.

The water collecting tray 30 is installed in the accommodating cavity 15, at least a part of the water collecting tray 30 is arranged below the heat exchanger 20, the water collecting tray 30 is used for collecting condensed water generated by the heat exchanger 20, when the heat exchanger 20 is in a refrigerating state, the appearance temperature of the heat exchanger 20 is lower, water vapor in air is contacted with the low-temperature outer wall of the heat exchanger 20 to be liquefied, and the water collecting tray 30 is used for collecting the liquefied condensed water. The water collecting tray 30 includes a water outlet pipe 35, and the water outlet pipe 35 is used for discharging condensed water in the water collecting tray 30. The drain assembly 40 is disposed at one side of the blower 50, and the drain assembly 40 includes a water pump 44 and a drain pipe 45. The water pump 44 is installed in the accommodating cavity 15, the water pump 44 is used for driving condensed water to be discharged from the water collecting disc 30, the water inlet end of the water pump 44 is connected with the water outlet pipe 35, the water outlet end of the water pump 44 is connected with the water outlet pipe 45, and the other end of the water outlet pipe 45 extends to the outside of the shell 10. A certain accommodating space 415 is formed between the water pump 44 and the bottom shell 11, and the refrigerant inlet pipe 21 and the refrigerant outlet pipe 22 extend to the outside of the shell 10 through the accommodating space 415, so as to avoid interference.

Further, the housing 10 is disposed in a hollow structure, and the housing 10 is fixedly connected to an external environment. The accommodating chamber 15 is disposed inside the housing 10, and the accommodating chamber 15 is used for providing a space required for mounting other components so as to protect the other components through the housing 10. In this embodiment, the casing 10 has a substantially rectangular structure, and the top of the casing 10 is connected and fixed with the outside, that is, the indoor unit 100 of the air conditioner adopts a crane installation mode. It should be appreciated that the indoor unit 100 may also be installed by a floor or wall-mounted structure, and the specific structure of the casing 10 is not limited herein, and may be selected according to practical requirements. Specifically, the bottom shell 11 is fixedly connected to the outside, the bottom shell 11 is a load-bearing core component of the air conditioning indoor unit 100, the front cover 12 is buckled with the bottom shell 11, and the front cover 12 is disposed on one side of the air conditioning indoor unit 100 facing the indoor use environment, and it can be understood that the front cover 12 can be aesthetically designed to improve the use feeling of the user.

Further, the heat exchanger 20 is connected with the housing 10, the heat exchanger 20 is fixed in the accommodating cavity 15, and the heat exchanger 20 is arranged in the accommodating cavity 15 in an inclined posture, so as to increase the contact area with the air flow as much as possible, and further improve the heat exchange effect with the air flow. The heat exchanger 20 is hollow for refrigerant to pass into the heat exchanger 20. The refrigerant inlet pipe 21 is arranged in a circular pipe-shaped structure, and the refrigerant inlet pipe 21 is connected with the heat exchanger 20; the refrigerant outlet pipe 22 is arranged in a circular pipe structure, the refrigerant outlet pipe 22 is connected with the heat exchanger 20, and the refrigerant inlet pipe 21 and the refrigerant outlet pipe 22 are arranged on the same side of the heat exchanger 20. In this embodiment, the number of the refrigerant inlet pipe 21 and the refrigerant outlet pipe 22 is one, the refrigerant inlet pipe 21 and the refrigerant outlet pipe 22 are arranged in parallel, and the cross-sectional area of the refrigerant inlet pipe 21 is smaller than the cross-sectional area of the refrigerant outlet pipe 22.

Further, the water collecting tray 30 is connected with the housing 10, the water collecting tray 30 is fixed in the accommodating cavity 15, the water collecting tray 30 is at least partially arranged at the bottom of the heat exchanger 20, and the water collecting tray 30 is used for collecting condensed water dropping from the outer wall of the heat exchanger 20. The water collecting tray 30 is provided with a water collecting tank 31, the water collecting tank 31 is in a groove shape, and an opening of the water collecting tank 31 is arranged towards the heat exchanger 20 so as to ensure that condensed water dropped from the heat exchanger 20 directly falls into the water collecting tank 31. The water outlet pipe 35 is arranged in a circular tube structure, the water outlet pipe 35 is connected with the water collecting disc 30, the water outlet pipe 35 is arranged on one side of the water collecting disc 30, which is close to the refrigerant inlet pipe 21 and the refrigerant outlet pipe 22, namely, the water outlet pipe 35, the refrigerant inlet pipe 21 and the refrigerant outlet pipe 22 are arranged on the same side of the shell 10, and the water outlet pipe 35 is used for discharging condensed water collected in the water collecting disc 30. In this embodiment, the water collection tray 30 is provided with a bevel 32 on the side facing away from the outlet pipe 35. The inclined surface 32 is inclined from the bottom of the water collecting tray 30 to a direction approaching the heat exchanger 20 gradually away from the water outlet pipe 35, and the inclined surface 32 is used for concentrating condensed water in the water collecting tray 30 to a direction approaching the water outlet pipe 35, so that the discharging effect of the condensed water is improved.

Further, the fan 50 is disposed at a side of the heat exchanger 20 where the refrigerant inlet pipe 21 and the refrigerant outlet pipe 22 are disposed, and the drain assembly 40 is disposed at a side of the fan 50 near the water outlet pipe 35. The drainage assembly 40 is correspondingly arranged at the positions of the refrigerant inlet pipe 21 and the refrigerant outlet pipe 22, and is used for arranging the refrigerant inlet pipe 21, the refrigerant outlet pipe 22 and the water outlet pipe 35 on the same side of the shell 10, so that the drainage assembly 40 is connected with an external pipeline in favor of installation, and the drainage assembly 40 is used for providing driving force required by condensate water drainage, so that the drainage effect of condensate water in the water collecting disc 30 is improved.

Further, the drainage assembly 40 further comprises a fixing frame 41 and a box 42. One side of the fixing frame 41 is provided with a containing space 415, the refrigerant inlet pipe 21 and the refrigerant outlet pipe 22 penetrate through the containing space 415, and the fixing frame 41 is used for supporting and fixing the drainage assembly 40 on the shell 10. The box body 42 is installed on the fixing frame 41, a cavity 425 is arranged in the box body 42, the water outlet pipe 35 is connected with the box body 42 to convey condensed water in the water collecting disc 30 into the cavity 425, and the water pump 44 is arranged in the cavity 425.

Further, the fixing frame 41 includes a vertical plate 411 and an engagement plate 412. The vertical plates 411 are arranged in a straight plate structure, the vertical plates 411 are oppositely arranged at two sides of the fixed frame 41, the vertical plates 411 are connected with the shell 10, and the accommodating space 415 is arranged between the vertical plates 411 at two sides. The connecting plates 412 are disposed between the vertical plates 411 at two sides, and the connecting plates 412 are connected to the vertical plates 411 at two sides, so that the fixing frame 41 is disposed in a U-shaped structure. In this embodiment, the standing plate 411 is fixedly connected to the case 42. It should be appreciated that, in another embodiment, the engaging plate 412 is fixedly connected to the box 42, where the specific fixing position of the fixing frame 41 and the box 42 is not limited, so as to ensure that the fixing frame 41 is fixedly connected to the box 42.

Further, the box 42 has a hollow structure, the top of the box 42 is fixedly connected to the fixing frame 41, and the box 42 is used for mounting and fixing the water supply pump 44. A cavity 425 is provided in the case 42, and the cavity 425 is used to provide a space for the water pump 44 to drain the condensed water. It will be appreciated that the case 42 may be cylindrical, cubic, polygonal prismatic, spherical or other three-dimensional, and the specific shape of the case 42 is not limited herein, so long as it is secured in the housing 10 by the fixing frame 41 and the cavity 425 is provided therein to accommodate the water pump 44.

Further, the box 42 includes a first box 421 and a second box 422. The first case 421 and the second case 422 are fastened to each other, and the first case 421 is disposed on top of the case 42. The second case 422 is disposed at the bottom of the case 42, and the first case 421 and the second case 422 form a cavity 425. The top of the first box 421 is connected to the fixing frame 41, and the opening of the first box 421 is disposed at the bottom. The second box 422 is disposed at a side of the first box 421 away from the fixing frame 41, a top of the second box 422 is connected with a bottom of the first box 421, and an opening of the second box 422 is disposed at the top.

Further, a sealing strip 423 is disposed on the second case 422. The edge band 423 is disposed at a joint position between the second case 422 and the first case 421, and the edge band 423 extends along a periphery of the second case 422 near one end of the first case 421. The edge sealing strip 423 extends from the second box body 422 to a direction close to the first box body 421, the edge sealing strip 423 surrounds and is arranged outside one end of the first box body 421 close to the second box body 422, and the sealing strip is used for preventing condensed water in the cavity 425 from leaking out from the joint position of the first box body 421 and the second box body 422, so that the sealing performance of the box body 42 is improved.

Further, the drain assembly 40 also includes a water inlet 43. The water inlet 43 is tubular, the water inlet 43 is connected to the second tank 422, the water inlet 43 is provided on one side of the second tank 422, the water inlet 43 extends from the second tank 422 toward the water outlet 35, and the water inlet 43 connects the box 42 to the water outlet 35. The extending direction of the water inlet nozzle 43 is the same as the extending direction of the water outlet pipe 35, and the water inlet nozzle 43 is connected with the water outlet pipe 35 to ensure that the condensed water in the water collecting tray 30 is guided into the box body 42. As can be appreciated, the water inlet 43 is connected to the water outlet pipe 35 in the following manner: the water inlet nozzle 43 is sleeved outside the water outlet pipe 35, or the water outlet pipe 35 is sleeved outside the water inlet nozzle 43, or a switching pipe is adopted, and two ends of the switching pipe are respectively sleeved outside the water inlet nozzle 43 and the water outlet pipe 35. The connection structure of the water inlet pipe and the water outlet pipe 35 is not limited, and the water in the water collecting disc 30 can be discharged into the box body 42 through the water outlet pipe 35 and the water inlet nozzle 43. In this embodiment, the water outlet pipe 35 is in a straight pipe shape, and the water outlet pipe 35 is disposed on the side wall of the water collecting tray 30 near the bottom. The water inlet nozzle 43 is in a straight pipe shape, and the central axis of the water inlet nozzle 43 is collinear with the central axis of the water outlet pipe 35 so as to ensure that condensed water in the water collecting disc 30 can automatically flow into the box body 42, and the water collecting disc 30 is level with the liquid level of the condensed water in the box body 42.

Further, a water pump 44 is provided in the case 42, the water pump 44 is disposed in the cavity 425 at a side near the water inlet nozzle 43, and the top of the water pump 44 is fixedly connected with the first case 421 to fix the water pump 44 in the case 42. Because the condensed water enters the cavity 425 from the position of the box 42 close to the bottom, the water pump 44 is hung in the cavity 425, and the electric control part of the water pump 44 can be arranged at the top of the water pump 44, so that the condensed water can be prevented from contacting with the electric control part, and the working reliability of the water pump 44 is further improved. In the present embodiment, a side of the second casing 422 remote from the water inlet nozzle 43 is provided with a flow guiding surface 424. The diversion surface 424 is arc-shaped, the diversion surface 424 arches towards the outside direction of the second box 422, and the diversion surface 424 is arranged at the joint position of the bottom surface and the side surface of the second box 422. The guiding surface 424 is disposed opposite to the water inlet 43, so as to ensure that the condensed water flowing into the cavity 425 from the water inlet 43 will flow through the guiding surface 424, and further avoid splashing due to collision between the condensed water and the inner wall of the box 42 when the water flow is large. The water pump 44 is also disposed at a side of the cavity 425 near the water inlet 43, so that the condensate water can be concentrated toward the water pump 44 by the diversion surface 424, and the effect of the water pump 44 on discharging the condensate water in the box 42 is improved. Specifically, the water pump 44 is a water pump.

Further, the drain pipe 45 is provided at a side of the water pump 44 remote from the water inlet 43, the drain pipe 45 is connected to the water pump 44, and the water pump 44 supplies the condensed water to the water pump 44 and discharges the condensed water to the outside through the drain pipe 45. In the present embodiment, the drain pipe 45 includes a connection portion 451, an extension portion 452, and a lead-out portion 453. The connection portion 451 is connected to the water pump 44, and the connection portion 451 is provided in a circular tube structure. The extending portion 452 is disposed at one end of the connecting portion 451 away from the water pump 44, the extending portion 452 is disposed in a tubular structure, the extending portion 452 extends from the connecting portion 451 toward the direction approaching the refrigerant inlet pipe 21 and the refrigerant outlet pipe 22, and the extending portion 452 passes through the case 42. The lead-out portion 453 is connected to the extension portion 452, the lead-out portion 453 is provided at an end of the extension portion 452 away from the connection portion 451, the lead-out portion 453 is connected to an external water pipe, and the lead-out portion 453 is provided in parallel with the refrigerant inlet pipe 21 and the refrigerant outlet pipe 22. In this embodiment, the extending portion 452 passes through the top surface of the first tank 421, and the portion of the extending portion 452 passing through the first tank 421 can be sealed to prevent the condensed water from splashing out of the box 42.

Further, the drain assembly 40 also includes a trigger 46. The trigger 46 is installed in the cavity 425, and the trigger 46 is used for detecting the liquid level position of the condensed water in the box 42, and controlling the water pump 44 to start the water draining operation when the liquid level reaches the preset level. In the present embodiment, the triggering element 46 includes a bracket 461, a sliding rod 462 and a floating block 463. The bracket 461 is connected to the first case 421, the bracket 461 is provided in an L-shaped structure, one end of the bracket 461 is connected to the first case 421, and the other end of the bracket 461 is connected to the slide bar 462. The sliding rod 462 is in a straight rod shape, the sliding rod 462 is connected with the bracket 461, and the sliding rod 462 is arranged along the vertical direction, namely, in the use state, the extending direction of the sliding rod 462 is perpendicular to the liquid level direction of the condensed water in the cavity 425. The floating block 463 is movably connected with the sliding rod 462, the floating block 463 is sleeved outside the sliding rod 462, and the floating block 463 is used for floating on the liquid surface of the condensed water in the cavity 425. It can be appreciated that the top end of the sliding rod 462 may be provided with a pressure sensor, an electromagnetic sensor, or other sensors such as a photoelectric sensor, which is not limited herein by the type of the specific triggering sensor, so that the floating block 463 is ensured to move to the designated position of the sliding rod 462 to generate a corresponding sensing signal, and then the condensed water level is controlled to reach the set position, so that the water pump 44 can be controlled to start to pump.

An air conditioning indoor unit 100 according to another embodiment of the present utility model includes a casing 10, a heat exchanger 20, a fan 50, a water collecting tray 30, and a drain assembly 40. The housing 10 is provided with a receiving chamber 15, and the receiving chamber 15 is used for receiving other components, so that the other components are protected by the housing 10. The housing 10 includes a bottom case 11 and a front cover 12; the bottom shell 11 is used for providing support for mounting and fixing other components, the front cover 12 covers the bottom shell 11, and the bottom shell 11 is connected with the front cover 12 to form a containing cavity 15. The heat exchanger 20 is arranged in the accommodating cavity 15, and the heat exchanger 20 is used for exchanging heat with indoor air; refrigerant is introduced into the heat exchanger 20, and the refrigerant generates state change in the heat exchanger 20, so that the external temperature of the heat exchanger 20 is changed, and heat exchange is generated between the passing air flow and the heat exchanger 20, so that the regulation and control of the ambient temperature are realized. The heat exchanger 20 includes a refrigerant inlet pipe 21 and a refrigerant outlet pipe 22; the refrigerant inlet pipe 21 and the refrigerant outlet pipe 22 are disposed at one side of the heat exchanger, the refrigerant inlet pipe 21 is used for introducing the refrigerant into the heat exchanger 20, and the refrigerant outlet pipe 22 is used for discharging the refrigerant in the heat exchanger 20 to form a refrigerant circulation loop. The blower 50 is for driving the indoor air to flow through the heat exchanger 20, and the heat exchanger 20 is disposed downstream in the indoor air flow direction.

The water collecting tray 30 is installed in the accommodating cavity 15, at least a part of the water collecting tray 30 is arranged below the heat exchanger 20, the water collecting tray 30 is used for collecting condensed water generated by the heat exchanger 20, when the heat exchanger 20 is in a refrigerating state, the appearance temperature of the heat exchanger 20 is lower, water vapor in air is contacted with the low-temperature outer wall of the heat exchanger 20 to be liquefied, and the water collecting tray 30 is used for collecting the liquefied condensed water. The water collecting tray 30 includes a water outlet pipe 35, and the water outlet pipe 35 is used for discharging condensed water in the water collecting tray 30. The drain assembly 40 is integrally and once installed in the accommodating cavity 15, and the drain assembly 40 comprises a water pump 44 and a drain pipe 45. The water pump 44 is spaced apart from the bottom case 11 to form an accommodating space 415; one end of the drain pipe 45 is connected to the water pump 44, and the other end of the drain pipe 45 extends to the outside of the housing 10. The refrigerant inlet pipe 21 and the refrigerant outlet pipe 22 are disposed between the water pump 44 and the bottom shell 11, and the accommodating space 415 is used for the refrigerant inlet pipe 21 and the refrigerant outlet pipe 22 to pass through.

Further, the drain assembly 40 further includes a fixing frame 41 and a case 42. The fixing frame 41 includes a vertical plate 411 and a connecting plate 412. The vertical plates 411 are arranged in a straight plate structure, the vertical plates 411 are oppositely arranged at two sides of the fixed frame 41, the vertical plates 411 are connected with the shell 10, and the accommodating space 415 is arranged between the vertical plates 411 at two sides. The connecting plates 412 are disposed between the vertical plates 411 at two sides, and the connecting plates 412 are connected to the vertical plates 411 at two sides, so that the fixing frame 41 is disposed in a U-shaped structure. In this embodiment, the standing plate 411 is fixedly connected to the case 42. The case 42 in this embodiment also includes a first case 421 and a second case 422. The first case 421 and the second case 422 are fastened to each other, and the first case 421 is disposed on top of the case 42. The second case 422 is disposed at the bottom of the case 42, and the first case 421 and the second case 422 form a cavity 425. The top of the first box 421 is connected to the fixing frame 41, and the opening of the first box 421 is disposed at the bottom. The second box 422 is disposed at a side of the first box 421 away from the fixing frame 41, a top of the second box 422 is connected with a bottom of the first box 421, and an opening of the second box 422 is disposed at the top.

Further, the drain pipe 45 includes a connection portion 451, an extension portion 452, and a lead-out portion 453. The connection portion 451 is connected to the water pump 44, and the connection portion 451 is provided in a circular tube structure. The extending portion 452 is disposed at one end of the connecting portion 451 away from the water pump 44, the extending portion 452 is disposed in a tubular structure, the extending portion 452 extends from the connecting portion 451 toward the direction approaching the refrigerant inlet pipe 21 and the refrigerant outlet pipe 22, and the extending portion 452 passes through the case 42. The lead-out portion 453 is connected to the extension portion 452, the lead-out portion 453 is provided at an end of the extension portion 452 away from the connection portion 451, the lead-out portion 453 is connected to an external water pipe, and the lead-out portion 453 is provided in parallel with the refrigerant inlet pipe 21 and the refrigerant outlet pipe 22. In this embodiment, the extending portion 452 passes through the top surface of the first tank 421, and the portion of the extending portion 452 passing through the first tank 421 can be sealed to prevent the condensed water from splashing out of the box 42.

In this embodiment, the first case 421 is integrated with the fixing frame 41. The second tank 422 is integral with the water inlet nozzle 43. Further, the drain assembly 40 may be integrally connected by sealing the first case 421 with the second case 422. It can be appreciated that the water drain assembly 40 is installed as a whole in the assembly process, so that the installation efficiency can be effectively improved, the problem that the water drain 45 interferes with the refrigerant inlet pipe 21 and the refrigerant outlet pipe 22 can be effectively avoided, and the production efficiency can be improved.

The working process of the utility model is as follows: when in installation, the heat exchanger 20 is firstly arranged in the accommodating cavity 15 of the shell 10, and the heat exchanger 20 is fixedly connected with the shell 10. The water collecting tray 30 is covered on the heat exchanger 20, and the water collecting tray 30 is fixedly connected with the shell 10. The whole water discharging assembly 40 is taken as a whole, and is once arranged in the accommodating cavity 15, the fixing frame 41 is erected on the outer sides of the refrigerant inlet pipe 21 and the refrigerant outlet pipe 22, the fixing frame 41 is fixedly connected with the shell 10, the water inlet nozzle 43 is connected with the water outlet pipe 35, and the water discharging pipe 45 is arranged at a designated position of the shell 10 in a penetrating way. The assembling operation of the air conditioning indoor unit 100 is completed.

When in use, the refrigerant circulates in the heat exchanger 20 through the refrigerant inlet pipe 21 and the refrigerant outlet pipe 22, the temperature of the heat exchanger 20 is reduced, the heat exchanger 20 exchanges heat with the air flow passing through the heat exchanger 20, and the air flow after heat exchange is blown into the external environment, so that the temperature regulation and control of the external environment are realized. The water vapor in the air contacts with the outer wall of the heat exchanger 20, the water vapor is liquefied into condensed water when encountering cold, and the condensed water drops into the water collecting tray 30 from the outer wall of the heat exchanger 20. The water outlet pipe 35 leads out the condensed water in the water collecting tray 30 to the water inlet nozzle 43, and the condensed water enters the cavity 425 of the box body 42 through the water inlet nozzle 43, and at the moment, the liquid level of the condensed water in the water collecting tray 30 is level with the liquid level of the condensed water in the box body 42. As the condensate water increases, the level of the condensate water in the box 42 increases, and the float 463 moves on the slide bar 462 as the level of the condensate water increases until the float 463 moves to a predetermined position on the slide bar 462. The floating block 463 triggers an induction signal to control the water pump 44 to start working, the water pump 44 pumps out condensed water in the cavity 425, and the condensed water is discharged to the outside from the drain pipe 45. In the process of discharging the condensed water, the liquid level of the condensed water in the cavity 425 is reduced continuously, the floating block 463 is reset, and an induction signal is generated after the floating block 463 moves to a designated position, so that the water pump 44 is controlled to stop working. The reciprocating cycle realizes an automatic drainage operation of the air conditioning indoor unit 100.

In summary, the embodiment of the utility model provides an air conditioner indoor unit 100, which has the following beneficial effects:

Through setting up accommodation space 415 between water pump 44 and drain pan 11, realize erecting drain pipe 45 and water pump 44 in the top of refrigerant import pipe 21 and refrigerant outlet pipe 22, and then prevent that the mounted position of drain pipe 45 from appearing interfering with the mounted position of refrigerant import pipe 21 and refrigerant outlet pipe 22, do not need to use the adapter to install, and then reduce manufacturing cost.

Through setting up cavity 425 in box 42 to set up water pump 44 in cavity 425, reduce the propagation effect to the air production vibration in the water pump 44 course of working, and then effectively reduce the noise in the water pump 44 course of working.

By connecting the drainage assembly 40 into a whole, the drainage assembly 40 is once installed in the shell 10 during assembly, the operation is simple and convenient, the assembly steps are saved, and the assembly efficiency of the air conditioner indoor unit 100 is improved.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. An air conditioning indoor unit, comprising:

the fan is used for driving indoor air to flow through the heat exchanger, and the heat exchanger is arranged at the downstream of the indoor air flow direction;

2. The indoor unit of claim 1, wherein the drain assembly further comprises a mount;

3. The indoor unit of claim 2, wherein the drain assembly further comprises a box;

4. An air conditioning indoor unit according to claim 3, wherein the drainage assembly further comprises a trigger; the trigger piece is arranged in the cavity;

5. The indoor unit of claim 3, wherein the drain assembly further comprises a water inlet nozzle; the water inlet nozzle is arranged on one side of the second box body and is used for connecting the box body with the water outlet pipe; the water pump is arranged at one side of the cavity close to the water inlet nozzle;

6. An indoor unit of an air conditioner according to claim 3, wherein the drain pipe includes a connection portion, an extension portion, and a lead-out portion; the connecting part is connected with the water pump; the extending part extends from the connecting part to a direction close to the refrigerant inlet pipe and the refrigerant outlet pipe, and penetrates through the box body; the guiding-out part is connected with the extending part, and the guiding-out part is arranged in parallel with the refrigerant inlet pipe and the refrigerant outlet pipe.

7. An air conditioning indoor unit, comprising:

8. The indoor unit of claim 7, wherein the drainage assembly further comprises a fixing frame, a box body and a water inlet nozzle; the fixing frame is connected with the shell, and the box body comprises a first box body and a second box body; the first box body and the second box body surround to form a cavity, the first box body is connected with the fixing frame, the second box body is arranged on one side, far away from the fixing frame, of the first box body, and the water inlet nozzle is connected with the second box body.

9. The indoor unit of claim 8, wherein the drainage assembly further comprises a trigger; the trigger piece is arranged in the cavity;

10. The indoor unit of claim 8, wherein the drain pipe includes a connection portion, an extension portion, and a lead-out portion; the connecting part is connected with the water pump; the extending part extends from the connecting part to a direction close to the refrigerant inlet pipe and the refrigerant outlet pipe, and penetrates through the box body; the guiding-out part is connected with the extending part, and the guiding-out part is arranged in parallel with the refrigerant inlet pipe and the refrigerant outlet pipe.