CN213453910U

CN213453910U - Indoor unit and air conditioner

Info

Publication number: CN213453910U
Application number: CN202022193075.XU
Authority: CN
Inventors: 叶剑; 骆海; 熊文翰; 张露; 赵文博; 其他发明人请求不公开姓名
Original assignee: TCL Air Conditioner Zhongshan Co Ltd
Current assignee: TCL Air Conditioner Zhongshan Co Ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-06-15
Anticipated expiration: 2030-09-29

Abstract

The utility model provides an indoor unit, include: the air conditioner comprises a shell and a fan, wherein one end of the shell is provided with an air outlet, the side part of the shell is provided with an air inlet, and the air inlet and the air outlet are communicated through an internal air duct of the shell; the fan is arranged inside the shell. The technical scheme of the utility model, optimized indoor air current flow direction, avoided appearing the calm zone indoor.

Description

Indoor unit and air conditioner

Technical Field

The utility model relates to an air conditioning technology field, in particular to indoor set and applied this indoor set's air conditioner.

Background

In the ceiling type indoor unit, an air inlet is mostly arranged in the middle of one side of the indoor unit of the air conditioner facing the ground, and an air outlet is arranged around the air inlet. The arrangement mode leads to a larger airless area right below the air inlet, and the indoor air flow is not reasonable in organization.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main objective provides an indoor machine, aims at avoiding indoor the windless district that appears, optimizes indoor air current flow direction.

In order to achieve the above object, the utility model provides an indoor unit, include:

the air conditioner comprises a shell, wherein one end of the shell is provided with an air outlet, the periphery of the shell is provided with an air inlet, and the air inlet and the air outlet are communicated through an internal air duct of the shell;

the fan is arranged inside the shell.

Optionally, the indoor unit further includes a flow guide grille disposed at the air outlet, and the flow guide grille includes:

the inner frame is positioned in the center of the flow guide grid;

the first air guiding ribs are spiral ribs which extend from the inner frame to the outer peripheral side of the air guide grid or a plurality of concentric annular ribs which are sequentially arranged from the inner frame to the outer peripheral side of the air guide grid; and

the second air guiding ribs are arranged in a plurality of numbers, the second air guiding ribs extend from the inner frame to the outer peripheral side of the air guide grid, and the second air guiding ribs are arranged along the circumferential direction of the inner frame at intervals.

Optionally, the first air guiding rib is provided with an air guiding surface, and the air guiding surface and the axis of the air outlet are arranged at an included angle.

Optionally, an included angle between the air guide surface and the axis of the air outlet is θ, and θ is greater than or equal to 10 degrees and less than or equal to 70 degrees.

Optionally, the indoor unit further includes a flow guide member, and the flow guide member is disposed inside the casing and between the fan and the air outlet;

the air guide part is internally provided with an air guide passage with two through ends, one end of the air guide passage is opened towards the fan, and the other end of the air guide passage is opened towards the air outlet.

Optionally, the cross-sectional area of the air guide passage gradually increases along the airflow direction.

Optionally, the casing includes roof and curb plate, the curb plate encloses to close and forms both ends open-ended barrel, and wherein one end opening forms the air outlet, the roof is located the other end opening, the air intake is seted up in the curb plate.

Optionally, the casing still includes a plurality of air inlet ribs, and is a plurality of the air inlet rib is followed the circumference interval of barrel is arranged in the air intake, so that it is a plurality of the air inlet rib forms the air inlet grid.

Optionally, the indoor unit further includes:

the heat exchanger is arranged in the shell and extends along the arrangement direction of the air inlet ribs, and the heat exchanger is arranged end to end at intervals to form openings;

the sealing plate is arranged at the opening and forms an accommodating space with the heat exchanger in an enclosing mode, and the fan is located in the accommodating space.

Optionally, the sealing plate is concavely provided with a containing groove;

the indoor unit further comprises an electric control component, and the electric control component is arranged in the accommodating groove.

The utility model discloses still provide an air conditioner, air conditioner includes in the aforesaid arbitrary one indoor set, the indoor set includes:

the fan is arranged inside the shell.

The technical scheme of the utility model, set up the air outlet in the one end of the casing of indoor set to set up the air intake in the casing lateral part, so that the fan priming air current gets into the unit from the air intake of unit side, blows off from the air outlet in unit the place ahead. Because the air inlet and the air outlet are arranged on different surfaces of the shell and face different directions, the airflow is blown out from the air outlet and flows indoors and then returns to the air inlet, the flow direction of the indoor airflow is optimized, the airflow can circulate indoors, and a calm zone is avoided being generated indoors.

Meanwhile, the air inlet and the air outlet are respectively positioned on different surfaces of the shell, so that the air inlet and the air outlet are prevented from being short-circuited by air flow generated at a short distance, and the heat exchange effect of the indoor unit is prevented from being influenced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

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

fig. 2 is an exploded view of the indoor unit of fig. 1;

fig. 3 is a side view of the indoor unit of fig. 1;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is a schematic view of the indoor unit of FIG. 1 with the top plate removed;

FIG. 6 is a schematic view of the structure of the grille in the indoor unit of FIG. 1;

FIG. 7 is a cross-sectional view taken at B-B of FIG. 6;

fig. 8 is a schematic view illustrating the flow direction of the air in the indoor unit of the present invention.

The reference numbers illustrate:

the implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications such as up, down, left, right, front, and back … … are provided in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an indoor unit 100.

Referring to fig. 1, the indoor unit 100 includes a casing 10 and a fan 30, an air outlet 12 is formed at one end of the casing 10, an air inlet 11 is formed at the peripheral side of the casing 10, and the air inlet 11 and the air outlet 12 are communicated through an internal air duct of the casing 10; the blower 30 is disposed inside the housing 10.

Referring to fig. 8, in an embodiment of the present invention, the indoor unit 100 refers to an indoor unit assembly of an air conditioner. In this embodiment, the indoor air sucked by the indoor unit 100 is blown back into the room from the air outlet 12 after heat exchange by the heat exchanger 40 inside the indoor unit 100; specifically, an air duct is formed in a casing 10 of the indoor unit 100, the casing 10 is provided with an air inlet 11 and an air outlet 12 which are communicated with the air duct, and a fan 30 is arranged in the air duct to drive airflow to circularly flow between the indoor unit 100 and the indoor unit through the air inlet 11 and the air outlet 12; further, the air outlet 12 of the indoor unit 100 is opened on the front surface of the casing 10, and the airflow blown out from the indoor unit 100 is directly blown to the space below the indoor unit 100, so that a windless area is prevented from being generated on the front surface of the indoor unit 100; it can be understood that in the ceiling-mounted indoor unit 100, the front surface of the casing 10 is disposed toward the ground, that is, in the solution of the present embodiment, a calm zone is prevented from being generated right below the ceiling-mounted indoor unit 100, and the indoor airflow direction is optimized. Furthermore, the air inlet 11 of the indoor unit 100 is disposed at a side portion of the casing 10, and is located on a different surface from the air outlet 12, so as to prevent the air inlet 11 and the air outlet 12 from being close to each other, and thus, the air flow entering the indoor unit 100 from the air inlet 11 and the air flow blown out from the air outlet 12 interfere with each other, which causes an air flow short circuit phenomenon, and affects the heat exchange effect of the indoor unit 100.

In the technical solution of this embodiment, the fixing manner of the indoor unit 100 installed indoors includes, but is not limited to, bolts, brackets, hooks, and the like; the fan 30 may be, but is not limited to, an axial fan, a centrifugal fan, a mixed flow fan, a cross flow fan, etc., and is not limited in particular.

The technical scheme of the utility model among, set up air outlet 12 in the casing 10 one end of indoor set 100 to set up air intake 11 in the casing 10 lateral part, fan 30 arouses the air current and gets into the unit from the air intake 11 of unit side, blows off from the air outlet 12 in unit the place ahead. Because the air inlet 11 and the air outlet 12 are arranged on different surfaces of the shell 12 and face different directions, the airflow is blown out from the air outlet 12 and flows indoors and then returns to the air inlet 11, the flow direction of the indoor airflow is optimized, the airflow can circulate indoors, and a calm zone is avoided being generated indoors. Meanwhile, the air inlet 11 and the air outlet 12 are respectively located on different surfaces of the casing 10, so that an air short circuit caused by a short distance between the air inlet 11 and the air outlet 12 is avoided, and the heat exchange effect of the indoor unit 100 is not affected.

Referring to fig. 2, in some embodiments of the present invention, the indoor unit 100 further includes a flow-guiding grille 20 disposed at the air outlet 12, the flow-guiding grille 20 includes an inner frame 23, a first air-guiding rib 21 and a second air-guiding rib 22, and the inner frame 23 is located at the center of the flow-guiding grille 20; the first air guiding ribs 21 are spiral ribs extending from the inner frame 23 to the outer periphery of the air guide grid 20 or a plurality of concentric annular ribs sequentially arranged from the inner frame 23 to the outer periphery of the air guide grid 20; the second air guiding ribs 22 are provided in plurality, the second air guiding ribs 22 extend from the inner frame 23 to the outer peripheral side of the air guide grid 20, and the second air guiding ribs 22 are arranged at intervals along the circumferential direction of the inner frame 23. The technical scheme of the utility model, air outlet 12 has been seted up to the casing 10 bottom of indoor set 100 to make the air current blow to indoor set 100 dead ahead avoids forming the calm zone in indoor set 100 dead ahead, reduces user experience. In this embodiment, the air outlet 12 is further covered by a flow guide grille 20, the flow guide grille 20 includes an inner frame 23, a first air guiding rib 21 and a second air guiding rib 22, the inner frame 23 is located in the air outlet 12, the first air guiding rib 21 is disposed around the inner frame 23 in the circumferential direction, the second air guiding rib 22 extends from the inner frame 23 to the inner edge of the air outlet 12, the first air guiding rib 21 and the second air guiding rib 22 are disposed in a crossed manner to form the flow guide grille 20, the flow guide grille 20 covers the air outlet 12, and components such as a fan 30 and a water receiving tray in the housing 10 are prevented from being exposed to the outside, so that impurities such as dust enter the housing 10.

Please refer to fig. 6, the first air guiding rib 21 is a spiral rib, and the first air guiding rib 21 extends from the inner frame 23 to the outer periphery of the air guiding grille 20 in a spiral shape; of course, the first air guiding rib 21 may also be provided as a plurality of concentric annular ribs, the annular ribs are disposed around the inner frame 23, the plurality of annular ribs are sequentially disposed from the inner frame 23 to the outer peripheral side of the air guiding grille 20, and two adjacent annular ribs are disposed at intervals, so that the same technical effects as those of the illustrated embodiment can be obtained, which is not limited herein.

Further, in the illustrated embodiment, a plurality of second air guiding ribs 22 are provided, and each of the second air guiding ribs 22 is arranged to intersect with the first air guiding rib 21 to form the air guiding grille 20.

Referring to fig. 7, in some embodiments of the present invention, the first air guiding rib 21 has an air guiding surface, and an air guiding direction formed by the air guiding surface forms an included angle with an axis of the air outlet 13. The technical scheme of the utility model, there is water conservancy diversion grid 20 in the air outlet 12 shroud of indoor set 100, avoids components such as fan 30 and the water collector in indoor set 100 expose in the external world, prevent that the dust from piling up inside indoor set 100. Further, in this embodiment, the air guide surface of the first air guide rib 21 of the air guide grille 20 forms an included angle with the axis of the air outlet 12, so that the air guide grille 20 guides the airflow blown out from the indoor unit 100. Specifically, in this embodiment, the airflow blown out from the air outlet 12 is blown out along the air guide surface of the first air guide rib 21, and an included angle between the air guide direction formed by the air guide surface and the axial direction of the air outlet 12 is defined as θ, preferably θ is greater than or equal to-85 ° and less than or equal to 85 °; when θ is less than 0 °, the first air guiding rib 21 is inclined toward the middle of the air guiding grille 20 along the airflow direction blown by the fan 30, and at this time, the first air guiding rib 21 gathers the airflow, and the airflow blown from the indoor unit 100 is contracted and sent out to enhance the airflow intensity; when θ is greater than 0 °, it means that the first air guiding rib 21 is disposed obliquely toward the outer edge of the air guiding grille 20 along the airflow direction blown by the fan 30, and at this time, the first air guiding rib 21 diffuses the airflow so that the airflow blown by the indoor unit 100 has a larger diffusion space.

In some embodiments of the present invention, the included angle between the wind guiding surface and the axis of the wind outlet 13 is θ, and θ is more than or equal to 10 ° and less than or equal to 70 °. The technical scheme of the utility model, first air guide muscle 21 is followed indoor set 100's circumference is encircleed the setting, and is the contained angle setting with vertical direction, in order to right the follow the air current that indoor set 100 blew out plays the guide effect. Further, in this embodiment, an included angle θ between the wind guiding direction of the first wind guiding rib 21 and the vertical direction is defined to satisfy θ being greater than or equal to 10 ° and less than or equal to 70 °; specifically, θ is defined to be greater than or equal to 10 °, so that the first air guiding rib 21 has a better air diffusion function in the indoor unit 100, and the air flow blown out by the indoor unit 100 has a larger diffusion space, thereby avoiding a no-wind area around the front end of the indoor unit 100; meanwhile, theta is defined to be less than or equal to 70 degrees, and the influence on the air outlet effect caused by the fact that the air outlet area is covered due to the fact that the inclination angle of the first air guiding rib 21 is too large can also be avoided.

Referring to fig. 2 and 4, in some embodiments of the present invention, the indoor unit 100 further includes a flow guiding member 80, the flow guiding member 80 is disposed inside the casing 10 and located between the fan 30 and the air outlet 12, an air guiding channel 81 having two through ends is formed in the flow guiding member 80, an opening at one end of the air guiding channel 81 faces the fan 30, and an opening at the other end of the air guiding channel 81 faces the air outlet 12. In the technical scheme of the utility model, inside casing 10 was located to the fan 30 of indoor set 100 to the priming air current was followed air intake 11 gets into inside casing 10, follow again air outlet 12 blows off. In this embodiment, the indoor unit 100 further includes a flow guiding element 80, the flow guiding element 80 is disposed inside the casing 10, and a air guiding channel 81 with two through ends is formed in the flow guiding element 80 and is used for communicating an airflow outlet of the fan 30 with the air outlet 12, so that the airflow entering the casing 10 flows along a through direction of the air guiding channel 81, and the airflow is prevented from flowing in the casing 10, and thus the internal air resistance of the casing 10 is large, and further, a large noise is generated.

With further reference to fig. 4, in some embodiments of the present invention, the cross-sectional area of the air guide passage 81 gradually increases along the airflow direction. In the technical scheme of the utility model, the inside water conservancy diversion spare 80 that is equipped with of casing 10 of indoor set 100 to make the air current follow air guide way 81 in the water conservancy diversion spare 80 link up the direction and flow, prevent that the air current is in the inside mixed flow of casing 10. Further, in this embodiment, the cross-sectional area of the air guide passage 81 gradually increases along the airflow direction, so that the airflow flowing through the air guide passage 81 is diffused, and the airflow blown out from the indoor unit 100 has a larger diffusion space.

Referring to fig. 2, in some embodiments of the present invention, the housing 10 includes a top plate 13 and a side plate 14, the side plate 14 encloses a cylinder with two open ends, wherein one open end forms the air outlet 12, the top plate 13 is disposed at the other open end, and the air inlet 11 is disposed on the side plate 14. The technical scheme of the utility model, air outlet 12 has been seted up to the bottom of the casing 10 of indoor set 100, air intake 11 has been seted up to the lateral part of casing 10, air intake 11 with air outlet 12 passes through the inside wind channel intercommunication of casing 10. Specifically, in this embodiment, the casing 10 has a side plate 14 disposed around the indoor unit 100 along a circumferential direction, the side plate 14 encloses to form a cylinder with two through ends, the top plate 13 is installed on one end of the cylinder and is open to enclose with the side plate 14 to form an air duct, the other end of the cylinder is open to form the air outlet 12, the side plate 14 is provided with the air inlet 11, so that the air inlet 11 and the air outlet 12 are disposed at an interval, and further, the air flow entering the inside of the casing 10 and the air flow blown out from the casing 10 are prevented from interfering with each other to affect a heat exchange effect.

Referring to fig. 3, in some embodiments of the present invention, the housing 10 further includes a plurality of air inlet ribs 15, the air inlet ribs 15 extend along the depth direction of the cylinder, and the air inlet ribs 15 are arranged in the air inlet 11 along the circumferential direction of the cylinder at intervals, so that the air inlet ribs 15 form an air inlet grille. In the technical scheme of the utility model, air intake 11 has been seted up to casing 10's curb plate 14, with air outlet 12 sets up along vertical direction interval, avoids producing the air current mixed flow. In this embodiment, the housing 10 further includes a plurality of air inlet ribs 15, and the air inlet ribs 15 are arranged in the air inlet 11 at intervals along the circumferential direction of the housing 10, so that the air inlet ribs 15 form an air inlet grille, thereby preventing external dust from entering the housing 10; further, air inlet rib 15 follows vertical direction extends the setting, just the both ends of air inlet rib 15 respectively with the edge connection of air intake 11, in order to strengthen the structural stability of casing 10.

Referring to fig. 5, in some embodiments of the present invention, the indoor unit 100 further includes a heat exchanger 40 and a sealing plate 50, the heat exchanger 40 is disposed in the casing 10 and extends along the arrangement direction of the plurality of air inlet ribs 15, and the heat exchanger 40 is disposed at intervals from head to tail to form an opening; the sealing plate 50 is disposed at the opening to form an accommodating space 41 by enclosing with the heat exchanger 40, and the blower 30 is located in the accommodating space 41. The technical scheme of the utility model in, fan 30 of telling is located inside the casing 10 of indoor set 100 to the indoor air current of priming gets into through air intake 11 inside the indoor set, blow back indoor from air outlet 12 after the heat exchanger 40 heat transfer. Specifically, in this embodiment, the heat exchanger 40 extends along the arrangement direction of the plurality of air inlet ribs 15, two ends of the heat exchanger 40 are spaced to form openings, the openings are fixed with the sealing plates 50, the sealing plates 50 and the heat exchanger 40 enclose to form the accommodating space 41, the fan 30 is disposed in the accommodating space 41, so that the air flow entering the casing 10 is blown out after heat exchange by the heat exchanger 40, and the heat exchange efficiency of the indoor unit 100 on the air flow is improved. In some embodiments, the sealing plate 50 also serves as an auxiliary fixing for the heat exchanger 40, and the heat exchanger 40 is fixed inside the housing 10 by the sealing plate 50.

With further reference to fig. 5, in some embodiments of the present invention, the sealing plate 50 is recessed to form a receiving groove 51; the indoor unit 100 further includes an electric control component 70, and the electric control component 70 is disposed in the accommodating groove 51. In the indoor unit assembly of the air conditioner, the indoor unit assembly further includes an electric control component 70 for controlling the operation of the indoor unit, in this embodiment, the sealing plate 50 is provided with an accommodating groove 51, the accommodating groove 51 is recessed into the accommodating space 41, the electric control component 70 is disposed in the accommodating groove 51, and the position of the side plate 14 where the air inlet grille is not disposed is covered on the notch of the accommodating groove 51, so that the electric control component 70 is prevented from being exposed and directly contacting with the air flow, and the heat of the air flow is prevented from being transferred to the electric control component 70, so as to affect the performance of the electric control component. Of course, the accommodating groove 51 may also be used to accommodate heat exchange tubes at two ends of the heat exchanger 40, so as to prevent heat exchange between the refrigerant in the heat exchange tubes and the air flow after heat exchange from affecting the heat exchange efficiency.

Referring to fig. 2, in some embodiments of the present invention, a water pan is further disposed in the indoor unit 100, the water pan is located on one side of the heat exchanger 40 facing the ground and used for bearing the heat exchanger 40, and one end of the sealing plate 50 is fixedly connected to the water pan to enhance structural stability.

The utility model discloses still provide an air conditioner, the air conditioner has used indoor set 100 in any preceding embodiment. The specific structure of the indoor unit 100 refers to the above embodiments, and since the air conditioner employs all technical solutions of all the above embodiments, all the beneficial effects brought by the technical solutions of the above embodiments are also achieved, and are not described in detail herein.

The above is only the optional embodiment of the present invention, and not therefore the scope of the present invention is limited, all under the inventive concept, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. An indoor unit, comprising:

the fan is arranged inside the shell.

2. The indoor unit of claim 1, further comprising a grill disposed at the outlet, wherein the grill comprises:

the inner frame is positioned in the center of the flow guide grid;

3. The indoor unit of claim 2, wherein the first wind guiding rib has a wind guiding surface, and the wind guiding surface forms an included angle with an axis of the wind outlet.

4. The indoor unit of claim 3, wherein an included angle between the air guide surface and the axis of the air outlet is theta, and theta is more than or equal to 10 degrees and less than or equal to 70 degrees.

5. The indoor unit of claim 1, further comprising a flow guide member disposed inside the casing and between the fan and the outlet;

6. The indoor unit of claim 5, wherein the cross-sectional area of the air guide passage is gradually increased in the flow direction of the air stream.

7. The indoor unit according to any one of claims 1 to 6, wherein the casing includes a top plate and side plates, the side plates enclose a cylinder with two open ends, one of the open ends forms the air outlet, the top plate is provided with an opening at the other end, and the air inlet is provided in the side plates.

8. The indoor unit of claim 7, wherein the casing further comprises a plurality of air inlet ribs, and the plurality of air inlet ribs are arranged in the air inlet along the circumferential direction of the cylinder at intervals, so that the plurality of air inlet ribs form an air inlet grille.

9. The indoor unit of claim 8, further comprising:

10. The indoor unit of claim 9, wherein the sealing plate is concavely provided with a receiving groove;

11. An air conditioner characterized by comprising the indoor unit according to any one of claims 1 to 10.