CN220648441U - Indoor unit of air conditioner - Google Patents

Abstract

The utility model relates to the technical field of air conditioners, and provides an indoor unit of an air conditioner. The splash-proof drainage structure is arranged at the lower side of the water outlet hole and at the upper side of the evaporator so as to guide water from the water outlet hole to the evaporator. And the splash-guard structure is configured to cause the water flowing therethrough onto the evaporator to be less fast than the water flowing directly from the outlet aperture onto the evaporator and/or to disperse and direct the water from the outlet aperture. Preventing water from splashing during humidification.

Description

Indoor unit of air conditioner

Technical Field

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

Background

When the air conditioner operates, moisture in indoor air enters the evaporator and is condensed into water by the evaporator to be discharged out of the room, the indoor air becomes dry, and the dry environment has bad influence on respiratory tract and skin, so that the indoor air conditioner needs to be humidified, and in order to solve the problems, a humidifying function is added in some current air conditioners. However, when some air conditioners start the humidifying function, the humidified spray water can splash on the evaporator, so that the spray water enters the room along with the air outlet and is splashed on the body of a user, and the feeling of using the air conditioner by the user is affected.

Disclosure of Invention

The present utility model has been made in view of the above problems, and an object of the present utility model is to provide an indoor unit of an air conditioner that overcomes or at least partially solves the above problems, and that can solve the problem that humidified water splashes onto a user, improving the user's feeling.

Specifically, the utility model provides an indoor unit of an air conditioner, which comprises an evaporator and further comprises:

the water outlet device is provided with a water storage cavity communicated with the atmosphere, and the water storage cavity is provided with a water outlet hole for downwards discharging water;

the splash-proof drainage structure is arranged at the lower side of the water outlet hole and at the upper side of the evaporator so as to guide water from the water outlet hole to the evaporator; and the splash-guard structure is configured to cause the water flowing therethrough onto the evaporator to be less fast than the water flowing directly from the outlet aperture onto the evaporator and/or to disperse and direct the water from the outlet aperture.

Optionally, the water storage cavity is an upwardly-opened water storage cavity.

Optionally, the splash-proof drainage structure comprises a stop block, wherein the stop block is provided with a groove with an upward opening and positioned below the water outlet; the stop blocks are arranged in one-to-one correspondence with the water outlet holes;

the stop block is arranged at intervals with the water outlet device, so that water in the groove flows out from the upper surface of the groove and flows downwards; alternatively, a plurality of outlets are provided at the same height on the groove surface of the groove so that water in the groove flows out from the outlets and downward.

Optionally, a protruding strip protruding downwards is arranged on the outer circumferential surface of the stop block, so that water flowing out of the groove flows downwards under the guidance of the protruding strip.

Optionally, the water outlet hole is connected with a water outlet pipe, and the lower end of the water outlet pipe is lower than the upper end face of the groove.

Optionally, the outer peripheral surface of the stop block is provided with a vertical cylindrical surface and a first truncated conical surface which is gradually tapered from top to bottom, and the lower end of the cylindrical surface is connected with the upper end of the first truncated conical surface;

the convex strips comprise column sections and cone sections which taper downwards from top to bottom, and the lower ends of the column sections are connected with the upper ends of the cone sections;

the upper end of the raised line is connected with the first truncated conical surface, and the projection of the edge of the upper end face of the raised line in the horizontal plane is tangent to the projection of the cylindrical surface in the horizontal plane.

Optionally, the groove surface of the groove is a second tapered surface which tapers from top to bottom.

Optionally, the bottom wall of the water storage cavity is provided with a plurality of water outlet holes, and the water outlet holes are uniformly arranged along the length direction of the upper surface of the evaporator.

Optionally, the indoor unit of the air conditioner further comprises a water receiving disc, and the water receiving disc is arranged below the evaporator.

Optionally, the indoor unit of the air conditioner further includes:

the water storage tank is arranged below the water receiving disc, and is connected and communicated with the water receiving disc through a first water pipe;

the water pump is connected and communicated with the water storage tank through a second water pipe;

the water inlet pipe is communicated with the outlet of the water pump and the opening of the water storage cavity.

In the indoor unit of the air conditioner, water in the water storage cavity enters the splash-proof drainage structure arranged on the lower side of the water storage cavity through the water outlet hole and is guided to the evaporator to realize humidification. Due to the arrangement of the splash-proof drainage structure, the speed of water flowing onto the evaporator is reduced, and the water splash caused by water flow impact can be reduced due to the reduction of the water flow speed, so that water splashing is prevented. And the water flow flowing out of the water outlet hole is dispersed to the periphery under the action of the splash-proof drainage structure, so that the water quantity is also dispersed, and the splashing of the water is further prevented.

Furthermore, the water storage cavity is pressureless, water in the water storage cavity naturally flows down from the water outlet hole under the action of gravity, pressurization is not needed in the humidifying process or pressure regulation is carried out on the water storage cavity, the humidifying structure is simplified, and the cost is saved.

Furthermore, in the indoor unit of the air conditioner, due to the fact that the splash-proof water drainage structure is added, the speed of water flowing out of the water storage cavity is slowed down, and the water flow is dispersed to the periphery through the splash-proof water drainage structure and flows down along the splash-proof water drainage structure, so that the water flow is prevented from splashing, and the humidifying effect is improved.

Further, in the indoor unit of the air conditioner, the convex strips protruding downwards are arranged on the outer circumferential surface of the stop block, water overflowed from the grooves flows downwards under the guidance of the convex strips, water overflowed along the upper surfaces of the grooves is split into smaller water columns, water flow splashing is prevented, and the humidifying effect is improved.

Furthermore, in the indoor unit of the air conditioner, the water outlet holes are uniformly formed in the bottom wall of the water outlet device, so that water flows out of the water outlet device are more uniform, and the humidifying effect is improved.

The above, as well as additional objectives, advantages, and features of the present utility model will become apparent to those skilled in the art from the following detailed description of a specific embodiment of the present utility model when read in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the utility model will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:

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

fig. 2 is a schematic structural view of a humidifying device in an indoor unit of an air conditioner according to an embodiment of the present utility model;

fig. 3 is a schematic partial construction view of a humidifying device in an indoor unit of an air conditioner according to an embodiment of the present utility model.

Detailed Description

An indoor unit of an air conditioner according to an embodiment of the present utility model will be described with reference to fig. 1 and 3. In the description of the present embodiment, it should be understood that the terms "first" and "second" 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, i.e. one or more such features. 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. When a feature "comprises or includes" a feature or some of its coverage, this indicates that other features are not excluded and may further include other features, unless expressly stated otherwise.

Unless specifically stated or limited otherwise, the terms "disposed," "mounted," "connected," "secured," "coupled," and the like should be construed broadly, as they may be connected, either permanently or removably, or integrally; 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. Those of ordinary skill in the art will understand the specific meaning of the terms described above in the present utility model as the case may be.

Furthermore, in the description of the present embodiments, a first feature "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature therebetween. That is, in the description of the present embodiment, the first feature being "above", "over" and "upper" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature "under", "beneath", or "under" a second feature may be a first feature directly under or diagonally under the second feature, or simply indicate that the first feature is less level than the second feature.

In the description of the present embodiment, a description referring to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

When the air conditioner operates, moisture in indoor air enters the evaporator and is condensed into water by the evaporator to be discharged out of the room, the indoor air becomes dry, and the dry environment has bad influence on respiratory tract and skin, so that the indoor air conditioner needs to be humidified, and in order to solve the problems, a humidifying function is added in some current air conditioners. However, when some air conditioners start the humidifying function, the humidified spray water can splash on the evaporator, so that the spray water enters the room along with the air outlet and is splashed on the body of a user, and the feeling of using the air conditioner by the user is affected. The present utility model has been made in view of the above problems, and an object of the present utility model is to provide an indoor unit of an air conditioner that overcomes or at least partially solves the above problems, and that can solve the problem that humidified water splashes onto a user, improving the user's feeling.

Fig. 1 is a schematic view of an indoor unit of an air conditioner according to an embodiment of the present utility model, and referring to fig. 2 and 3, as shown in fig. 1, an indoor unit of an air conditioner according to an embodiment of the present utility model includes a water outlet device 1, an evaporator 2, and a splash-proof drainage structure 3. The water outlet device 1 is provided with a water storage cavity 11 communicated with the atmosphere, and the water storage cavity 11 is provided with a water outlet hole 12 for downwards discharging water. The splash-proof drainage structure 3 is disposed at the lower side of the water outlet 12 and at the upper side of the evaporator 2, and the splash-proof drainage structure 3 is disposed along the extending direction of the length of the upper surface of the evaporator 2 to guide water from the water outlet 12 onto the evaporator 2. The splash-proof drain structure 3 is configured such that the velocity of water flowing therethrough onto the evaporator 2 is less than the velocity of water flowing directly onto the evaporator 2 from the water outlet holes 12 and the water from the water outlet holes 12 is directed in a dispersed manner.

In the indoor unit of the air conditioner, water in the water storage cavity 11 enters the splash-proof drainage structure 3 arranged at the lower side of the water storage cavity through the water outlet 12 and is guided to the evaporator 2, so that humidification is realized. Due to the arrangement of the splash-proof drainage structure 3, the speed of water flowing onto the evaporator 2 is reduced, and the water splash caused by water flow impact can be reduced due to the reduction of the water flow speed, so that water splashing is prevented. In addition, the water flowing out of the water outlet hole 12 is dispersed to the periphery under the action of the splash-proof water drainage structure 3, so that the water quantity is also dispersed, the splashing of water is further prevented, and the use feeling of a user is improved. Further, the water storage cavity 11 is pressureless, water in the water storage cavity 11 naturally flows down from the water outlet 12 under the action of gravity, and pressurization or pressure regulation on the water storage cavity 11 is not needed in the humidifying process, so that the humidifying structure is simplified, and the cost is saved.

Of course, in other embodiments of the utility model, the splash guard 3 is configured such that the water flowing from it onto the evaporator 2 is at a lower velocity than the water flowing directly onto the evaporator 2 from the water outlet 12, which arrangement is also capable of preventing water splashing.

In other embodiments of the utility model, the splash-guard structure 3 is configured to disperse and direct water from the water outlet 12, which arrangement is also capable of preventing water from splashing.

In some embodiments of the present utility model, as shown in fig. 1, the indoor unit of the air conditioner further includes a housing 7, an air inlet 8 and an air outlet 9 are provided on the housing 7, an evaporator 2 is provided in the housing 7, the evaporator 2 is vertically disposed, and air flows into the air inlet 8, exchanges heat through the evaporator 2, and then becomes heat exchange air flow to be blown out from the air outlet 8. When humidification is required, water flowing out of the water storage cavity 11 flows onto the evaporator 2, uniformly distributed evaporator fins are arranged on the evaporator 2, the water flow is uniformly dispersed by the evaporator fins, and when the air flow passes through the evaporator 2, moisture is brought into an indoor space, so that humidification is realized.

In some embodiments of the present utility model, as shown in fig. 2 and 3, the peripheral wall or upper wall of the water storage chamber 11 is provided with an opening to allow the water storage chamber 11 to communicate with the atmosphere. Preferably, the opening is arranged on the upper wall of the water storage cavity 11, and the water storage cavity 11 is an upwardly-opened water storage cavity 11.

In some embodiments of the present utility model, as shown in fig. 2 and 3, the splash-guard structure 3 includes a stopper 31, the stopper 31 having an upwardly opening recess 32, the recess 32 being disposed below the water outlet 12. The stoppers 31 are arranged in one-to-one correspondence with the water outlet holes 12. The stopper 31 is spaced apart from the water outlet device 1 so that water in the recess 32 flows out from the upper surface of the recess 32 and downward.

In these embodiments, the water flowing out of the water storage chamber 11 is blocked by the stopper 31 below the water outlet hole 12, the speed of the water flow is reduced, and the blocked water flow does not splash due to the upward opening of the stopper 31, gathers in the groove 32, and when the groove 32 is filled, the water is dispersed around, overflows from the upper surface of the groove 32 and flows down along the outer circumferential surface of the stopper 31. Each water outlet 12 is provided with a stop block 31, and water flowing out from each water outlet can flow through the splash-proof drainage structure, so that water splashing is prevented, water flow is dispersed more uniformly, and the humidifying effect is improved.

In some alternative embodiments of the utility model, a plurality of outlets are provided at the same height on the face of the recess 32 such that water within the recess 32 flows out of the outlets and downwardly. The water entering the groove 32 from the water outlet 12 gradually gathers, and overflows from the outlet when exceeding the height of the outlet, and the arrangement of a plurality of outlets can also disperse one water column flowing out from the water outlet 12 into a plurality of water overflows from the periphery of the groove 32, so that the water quantity of each water is reduced, and the splashing of the water is reduced.

In some embodiments of the present utility model, the surface of the groove 32 is a second truncated cone tapered sequentially from top to bottom.

In some preferred embodiments of the present utility model, the groove 32 is disposed directly below the outlet opening 12, preventing water flowing out of the outlet opening from flowing onto the second truncated cone of the groove 32 to generate splash.

In some embodiments of the present utility model, as shown in fig. 2 and 3, the stopper 31 is provided with a protrusion 33 protruding downward on the outer circumferential surface thereof, so that water overflowing from the groove 32 flows downward under the guidance of the protrusion 33, and the water overflowing along the upper surface of the groove 32 is divided into smaller water columns, preventing splashing.

In some embodiments of the present utility model, as shown in fig. 2, a water outlet pipe 13 is connected to the water outlet hole 12 of the water outlet device 1, the lower end of the water outlet pipe 13 is lower than the upper end surface of the groove 32, and the water outlet pipe 13 extends into the groove 32. When water starts to flow out, water directly flows into the groove 32 when flowing out from the water outlet pipe 13, even if a small amount of water is sprayed, the groove surface of the groove 32 can be blocked, and the splashing of the water is reduced; when the water surface in the groove 32 is higher than the lower end surface of the water outlet pipe 13, no splash is generated because the water flow enters the lower part of the water surface.

In some alternative embodiments of the present utility model, the center of the water outlet hole 12 of the water outlet device 1 is provided with a flow guiding column, and the flow guiding column and the bottom wall of the water outlet device 1 are arranged with a gap, so that water in the water outlet device 1 can be guided into the groove 32 below under the action of the flow guiding column, and meanwhile, the bottom of the flow guiding column is fixedly connected with the center of the second circular surface of the groove 32, so that water flowing out of the water outlet device 1 can be guided into the groove 32 through the flow guiding column, and water splashing can be prevented.

In some embodiments of the present utility model, as shown in fig. 2 and 3, the stopper 31 has a vertical cylindrical surface and a first truncated cone surface tapered sequentially from top to bottom on an outer circumferential surface thereof, and a lower end of the cylindrical surface is connected to an upper end of the first truncated cone surface. This arrangement facilitates the downward flow of water.

In some embodiments of the present utility model, the protruding strip 33 includes a cylindrical section and a tapered cone section from top to bottom, the lower end of the cylindrical section is connected to the upper end of the cone section, and the cone structure at the lower end of the protruding strip 33 makes it easier for water flow to converge. After the groove 32 is filled with water flowing out of the water storage cavity 11, the water overflows from the upper surface of the groove 32 to the vertical surface of the stop block 31, flows onto the evaporator 2 below under the flow guide of the convex strips 33, and is dispersed by the groove 32 and guided by the convex strips 33, so that the uniform distribution of water flow is realized.

In some embodiments of the present utility model, the upper end of the protruding strip 33 is connected to the first truncated cone, and the projection of the edge of the upper end surface of the protruding strip 33 in the horizontal plane is tangential to the projection of the cylindrical surface in the horizontal plane, so that the distribution range of the protruding strip is as large as possible, and the humidifying effect is better.

In alternative embodiments of the utility model, the vertical lower edge of the stop 31 is provided with saw teeth for diversion, and the tooth tops are downwards arranged, so that water drops downwards along the tooth tops of the saw teeth, and even distribution of water flow can be realized.

In some embodiments of the present utility model, the protruding bars 33 are uniformly disposed around the outer circumferential surface of the stopper 31, and all the protruding bars 33 are disposed at the same height, so that water overflowed from the upper end surface of the groove 32 uniformly flows down the protruding bars 33, and further, the water uniformly flows to the evaporator 2, thereby increasing the humidifying effect.

In some embodiments of the present utility model, two adjacent ribs 33 are spaced apart from each other at a long distance, so that the water flowing down the ribs 33 is prevented from collecting too close to each other, resulting in uneven distribution of water, thereby affecting the humidification effect.

In some embodiments of the present utility model, when a plurality of outlets are provided at the same height on the groove surface of the groove 32, the plurality of outlets are all above the convex strip 33. When the water in the groove 32 reaches the outlet height, the water in the groove 32 flows out from the outlet, flows downwards under the guidance of the convex strips 33, and is collected under the guidance of the shape of the convex strips 33, so that the water splashing outwards is further reduced.

In some embodiments of the present utility model, as shown in fig. 2 and 3, the bottom wall of the water storage chamber 11 is provided with a plurality of water outlet holes 12, and the water outlet holes 12 are arranged in a row and uniformly distributed, and extend along the length direction of the bottom wall of the water storage chamber 11.

In some embodiments of the present utility model, as shown in fig. 2 and 3, the humidifying device further includes a fixing frame 6, and the fixing frame 6 is disposed at an upper side of the water outlet device 1, for fixing the water outlet device 1. The fixing frames 6 are four, every two fixing frames 6 are arranged at two ends of the water outlet device 1 in a group, and the two fixing frames 6 of each group are arranged at two sides of the opening of the water outlet device 1.

In some embodiments of the present utility model, the air conditioner indoor unit further includes a water tray disposed below the evaporator 2. The water drops condensed on the evaporator 2 are collected to form water flow which flows from the evaporator 2 to the water receiving disc below, so that the water can be reused.

In some embodiments of the present utility model, the air conditioner indoor unit further includes a water pump 4 and a water inlet pipe 5. The water pump 4 is arranged in the water receiving disc, and the water pump 4 is connected with the water storage cavity 11 through the water inlet pipe 5.

In some embodiments of the utility model, the air conditioner indoor unit further comprises a first water storage tank. The first water storage tank is arranged below the water receiving disc, and is connected and communicated with the water receiving disc through a first water pipe. The water pump 4 is connected and communicated with the first water storage tank through a second water pipe. The water inlet pipe 5 is communicated with the outlet of the water pump 4 and the opening of the water storage cavity 11. The water collected in the water receiving tray flows to the first water storage tank through the first water pipe for storage, and the water pump 4 pumps the water from the first water storage tank to the water storage cavity 11.

In some embodiments of the utility model, a filter is also provided at the inlet of the water pump to filter out impurities in the water entering the water pump.

In some embodiments of the present utility model, the present utility model further includes a second water storage tank, the second water storage tank is connected to another water source, water in the second water storage tank is used as supplementary water, when the water level in the first water tank is low, the water pump 4 cannot pump water from the first water tank, and at this time, the water pump 4 is connected to the second water storage tank, and pumps water from the second water storage tank.

By now it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the utility model have been shown and described herein in detail, many other variations or modifications of the utility model consistent with the principles of the utility model may be directly ascertained or inferred from the present disclosure without departing from the spirit and scope of the utility model. Accordingly, the scope of the present utility model should be understood and deemed to cover all such other variations or modifications.

Claims (10)

1. An indoor unit of an air conditioner, comprising an evaporator, characterized by further comprising:

the water outlet device is provided with a water storage cavity communicated with the atmosphere, and the water storage cavity is provided with a water outlet hole for downwards discharging water;

the splash-proof drainage structure is arranged at the lower side of the water outlet hole and at the upper side of the evaporator so as to guide water from the water outlet hole to the evaporator; and the splash-guard structure is configured to cause the water flowing therethrough onto the evaporator to be less fast than the water flowing directly from the outlet aperture onto the evaporator and/or to disperse and direct the water from the outlet aperture.

2. The indoor unit of claim 1, wherein the water storage chamber is an upwardly-opening water storage chamber.

3. The indoor unit of claim 1, wherein the splash-proof drain structure includes a block having an upwardly open recess below the water outlet; the stop blocks are arranged in one-to-one correspondence with the water outlet holes;

the stop block is arranged at intervals with the water outlet device, so that water in the groove flows out from the upper surface of the groove and flows downwards; alternatively, a plurality of outlets are provided at the same height on the groove surface of the groove so that water in the groove flows out from the outlets and downward.

4. The indoor unit of claim 3, wherein the stopper is provided with a protrusion protruding downward on an outer circumferential surface thereof such that water flowing out of the recess flows downward under the guidance of the protrusion.

5. The indoor unit of claim 3, wherein the water outlet is connected to a water outlet pipe, and a lower end of the water outlet pipe is lower than an upper end surface of the groove.

6. The indoor unit of claim 4, wherein the outer circumferential surface of the stopper has a vertical cylindrical surface and a first truncated conical surface gradually tapered from top to bottom, and the lower end of the cylindrical surface is connected with the upper end of the first truncated conical surface;

the convex strips comprise column sections and cone sections which taper downwards from top to bottom, and the lower ends of the column sections are connected with the upper ends of the cone sections;

the upper end of the raised line is connected with the first truncated conical surface, and the projection of the edge of the upper end face of the raised line in the horizontal plane is tangent to the projection of the cylindrical surface in the horizontal plane.

7. The indoor unit of claim 3, wherein the groove surface of the groove is a second tapered surface tapered from top to bottom.

8. The indoor unit of claim 1, wherein the bottom wall of the water storage chamber is provided with a plurality of water outlets, and the water outlets are uniformly arranged along the length direction of the upper surface of the evaporator.

9. The indoor unit of claim 1, further comprising a water pan disposed below the evaporator.

10. The indoor unit of claim 9, further comprising:

the water storage tank is arranged below the water receiving disc, and is connected and communicated with the water receiving disc through a first water pipe;

the water pump is connected and communicated with the water storage tank through a second water pipe;

the water inlet pipe is communicated with the outlet of the water pump and the opening of the water storage cavity.