CN212555745U

CN212555745U - Air duct structure and parking air conditioner

Info

Publication number: CN212555745U
Application number: CN202022178216.0U
Authority: CN
Inventors: 吴会丽; 黄传曦; 李兆宇
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-02-19
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a wind channel structure and parking air conditioner relates to air conditioning technology field, has solved the big problem of parking air conditioner noise of operation among the prior art. The utility model discloses a wind channel structure includes chassis, through-flow fan blade, evaporimeter and evaporimeter wind channel, and evaporimeter wind channel are located the chassis to form between evaporimeter and the evaporimeter wind channel and hold the cavity, the through-flow fan blade is located and holds the cavity. The air channel structure of the utility model adopts the cross-flow fan blade, compared with the centrifugal fan blade used in the prior art, on one hand, the rotating speed is obviously reduced, the air channel structure has the advantage of low noise during operation, the user experience can be improved, and the technical problem of high operating noise of the parking air conditioner in the prior art is solved; secondly, the running power of a motor matched with the cross-flow fan blade is low, the energy efficiency of the whole machine can be improved, and the running time of a unit can be prolonged by using a battery pack with the same capacity for power supply; and thirdly, the cost of the cross-flow fan is lower than that of the centrifugal fan, so that the unit cost can be effectively reduced.

Description

Air duct structure and parking air conditioner

Technical Field

The utility model relates to an air conditioner technical field especially relates to a wind channel structure and parking air conditioner.

Background

The parking air conditioner is a novel air conditioner form, and along with the development of freight logistics, a long-distance freight driver has higher and higher requirements on comfort in a vehicle during parking. The existing parking air conditioner has at least the following defects:

(1) the existing parking air conditioner mostly adopts a centrifugal fan, the rotating speed of the fan is 1600-2000 r/min, the rotating speed is high, the air outlet noise is large, the noise is large when a user feeds back to rest at night, and the influence on the sleep quality is large.

(2) The existing parking air conditioner adopts a centrifugal fan, most of matched heat exchangers are direct-discharge multilayer evaporators, and the evaporators are large in thickness, so that the air resistance of the evaporators is large, the air resistance of the whole air conditioning system is large, the air supply distance of a unit is insufficient, cold air of the unit cannot blow to a sleeping berth, and passengers cannot feel cool; in addition, the actual cooling capacity of the existing parking air conditioner unit cannot meet the requirement of passengers due to the virtual performance of the unit. The user feeds back that the refrigerating capacity of the air conditioning system is insufficient, and the temperature in the vehicle cannot be reduced to the temperature comfortable for the human body.

Therefore, the improvement of the existing parking air conditioner is to reduce the operation noise and the air duct resistance of the parking air conditioner, which is a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an one of them purpose is to provide an air duct structure and parking air conditioner, has solved among the prior art technical problem that parking air conditioner noise of operation is big. The technical effects that the preferred technical scheme of the utility model can produce are explained in detail in the following.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model discloses a wind channel structure, including chassis, through-flow fan blade, evaporimeter and evaporimeter wind channel, wherein, the evaporimeter with the evaporimeter wind channel is located on the chassis, and the evaporimeter with it holds the cavity to form between the evaporimeter wind channel, the through-flow fan blade is located hold in the cavity.

According to a preferred embodiment, a volute tongue is integrated on the chassis, is located below the cross-flow fan blade, and is provided with a wind guide groove, so that the outlet wind of the cross-flow fan blade is discharged through the wind guide groove.

According to a preferred embodiment, the air guide groove is of a concave-convex structure.

According to a preferred embodiment, the ratio of the width of the rib of the convex part of the air guide groove to the width of the concave part of the air guide groove is 1: 1-1.5.

According to a preferred embodiment, the dimension of the chassis air outlet in the length direction is smaller than the length of the cross-flow fan blade, and the chassis is further provided with an air guide transition structure, so that air discharged by the cross-flow fan blade is discharged through the air guide transition structure.

According to a preferred embodiment, the distance between the outer edge of the wind guide transition structure and the end cover of the cross-flow fan blade is 1-10 cm, and the included angle between the outer edge of the wind guide transition structure and the vertical edge is 45-60 degrees.

According to a preferred embodiment, the evaporator is a V-shaped single-layer evaporator.

According to a preferred embodiment, the air duct structure further comprises an air deflector, the air deflector is located below the chassis, and a strip-shaped air outlet is formed in the air deflector.

According to a preferred embodiment, the air duct structure further includes an evaporator air inlet, the evaporator air inlet is located on the chassis, and the evaporator air inlet is of a zigzag structure, and the inlet air enters the evaporator through the evaporator air inlet.

According to a preferred embodiment, the air duct structure further comprises a water pan, the water pan is integrated on the chassis and located below the evaporator, the water pan is of a slope structure, and drainage ribs are arranged on the water pan and drain condensed water generated by the evaporator after being drained by the drainage ribs.

According to a preferred embodiment, the air duct structure further comprises a drainage bypass branch, and the drainage bypass branch is communicated with the bottom end of the water pan so as to discharge condensed water collected in the water pan through the drainage bypass branch.

The utility model discloses a parking air conditioner, include the utility model discloses any technical scheme wind channel structure.

The utility model provides a wind channel structure and parking air conditioner have following beneficial technological effect at least:

the utility model discloses a wind channel structure includes chassis, through-flow fan blade, evaporimeter and evaporimeter wind channel, wherein, evaporimeter and evaporimeter wind channel are located the chassis to form between evaporimeter and the evaporimeter wind channel and hold the cavity, the through-flow fan blade is located and holds the cavity, namely the utility model discloses a wind channel structure adopts through-flow fan blade, and its rotational speed generally is about 1000r/min, compares in the centrifugal fan blade that uses among the prior art, on the one hand its rotational speed obviously reduces, has the advantage that the noise is low during operation, can promote user experience, has solved the big technical problem of parking air conditioner noise of prior art; secondly, the running power of a motor matched with the cross-flow fan blade is low, the energy efficiency of the whole machine can be improved, and the running time of a unit can be prolonged by using a battery pack with the same capacity for power supply; and thirdly, the cost of the cross-flow fan is lower than that of the centrifugal fan, so that the unit cost can be effectively reduced.

Furthermore, the utility model discloses preferred technical scheme can also produce following technological effect:

the utility model discloses a wind channel structure adopts the through-flow fan blade, because the easy air-out of through-flow fan blade is uneven, the utility model discloses preferred technical scheme is through setting up the wind-guiding groove on the spiral tongue to and the air outlet length direction's that sets up on the chassis size is less than the length of through-flow fan blade, and still be provided with wind-guiding transition structure on the chassis, not only can make the unit air-out more even, realizes that the unit amount of wind is the biggest, still can further reduce the air-out noise, has further solved the big technical problem of parking air conditioner noise among the prior art.

The utility model discloses the wind channel structure of preferred technical scheme, at first, adopt V-arrangement individual layer evaporimeter, compare the direct vent multilayer evaporimeter in prior art, its thickness obviously reduces, can reduce the unit windage when guaranteeing the unit ability; secondly, set up the bar form air outlet on the aviation baffle, compare in the general circular air outlet among the prior art, can increase the air-out area to can further reduce the unit windage. Namely the utility model discloses preferred technical scheme's wind channel structure reduces the wind channel resistance from two aspects of evaporimeter structure and air outlet structure at least, and it is big to have solved current parking air conditioner wind channel resistance, causes the unit air supply distance not enough to lead to the not enough technical problem of parking air conditioner refrigerating capacity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 these drawings without creative efforts.

FIG. 1 is an exploded view of a preferred embodiment of the parking air conditioner of the present invention;

FIG. 2 is an assembly view of a preferred embodiment of the parking air conditioner of the present invention;

FIG. 3 is a top view of the interior of a preferred embodiment of the parking air conditioner of the present invention;

FIG. 4 is an oblique view of a preferred embodiment of the parking air conditioner of the present invention;

FIG. 5 is a schematic view of a preferred embodiment of the chassis of the present invention;

FIG. 6 is a cross-sectional view of a preferred embodiment of the chassis of the present invention;

FIG. 7 is a partial schematic view of a preferred embodiment of the chassis of the present invention;

fig. 8 is a front view of a preferred embodiment of the water pan of the present invention.

In the figure: 1. a chassis; 2. a cross-flow fan blade; 3. an evaporator; 4. an evaporator air duct; 5. a volute tongue; 501. a wind guide groove; 6. a wind guide transition structure; 7. an air deflector; 8. an air inlet of the evaporator; 9. a condenser; 10. a water pan; 1001. conducting flow to the ribs; 11. a bypass branch is guided; 12. a housing; 13. a condensing fan; 14. a flow-collecting hood; 15. an internal machine; 16. a display panel; 17. a controller; 18. an air return opening; 19. a limiting plate; 20. a compressor; 21. an evaporator heat-preserving cover; 22. a decorative plate; 23. a pipeline; 24. and an air inlet of the condenser.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of 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.

The air duct structure and the parking air conditioner of the present invention will be described in detail with reference to fig. 1 to 8 and

embodiments

1 and 2 of the specification.

Example 1

The embodiment of the present invention will be described in detail with reference to fig. 1 to 8 of the specification.

The air duct structure of the embodiment comprises a chassis 1, a cross-flow fan blade 2, an evaporator 3 and an evaporator air duct 4, as shown in fig. 1-4. The evaporator 3 and the evaporator air duct 4 are positioned on the chassis 1, an accommodating cavity is formed between the evaporator 3 and the evaporator air duct 4, and the cross-flow fan blade 2 is positioned in the accommodating cavity.

The air duct structure of the embodiment adopts the cross-flow fan blade 2, compared with a centrifugal fan blade used in the prior art, the rotating speed of the cross-flow fan blade is about 1000r/min generally, on one hand, the rotating speed is obviously reduced, the advantage of low noise in operation is achieved, the user experience can be improved, and the technical problem of high operating noise of the parking air conditioner in the prior art is solved; secondly, the running power of a motor matched with the cross-flow fan blade 2 is low, the energy efficiency of the whole machine can be improved, and the running time of a unit can be prolonged by using a battery pack with the same capacity for power supply; and thirdly, the cost of the cross-flow fan is lower than that of the centrifugal fan, so that the unit cost can be effectively reduced.

According to a preferred embodiment, a volute tongue 5 is integrated on the chassis 1, the volute tongue 5 is located below the cross-flow fan blade 2, and an air guide groove 501 is formed in the volute tongue 5, so that air exhausted by the cross-flow fan blade 2 is exhausted through the air guide groove 501, as shown in fig. 5-7. Preferably, the air guide groove 501 has a concave-convex structure. More preferably, the ratio of the width of the rib of the convex part of the air guide groove 501 to the width of the concave part of the air guide groove 501 is 1: 1-1.5.

According to a preferred embodiment, the dimension of the chassis 1 in the length direction of the air outlet is smaller than the length of the cross-flow fan blade 2, and the chassis 1 is further provided with an air guide transition structure 6, so that the air outlet of the cross-flow fan blade 2 is discharged through the air guide transition structure 6, as shown in fig. 7. Fig. 7 shows a structure of the air guiding transition structure 6. Preferably, the wind guiding transition structure 6 includes a vertical edge and an outer edge close to the wind guiding groove 501. The wind guide transition structure 6 can also be said to be a structure similar to a herringbone, one end of the wind guide transition structure is integrated on the chassis 1, and the other end of the wind guide transition structure is close to the end cover of the cross-flow fan blade 2. Preferably, the distance between the outer edge of the wind guide transition structure 6 and the end cover of the cross-flow fan blade 2 is 1-10 cm, and the included angle between the outer edge of the wind guide transition structure 6 and the vertical edge is 45-60 degrees. Namely, the range of A in FIG. 7 is 1-10 cm, and the range of B in FIG. 7 is 45-60 °.

The air duct structure of the embodiment adopts the through-flow fan blade 2, because the air outlet of the through-flow fan blade 2 is easy to be uneven, the preferable technical scheme of the embodiment is that the air guide groove 501 is arranged on the volute tongue 5, the size of the length direction of the air outlet arranged on the base plate 1 is smaller than the length of the through-flow fan blade 2, and the air guide transition structure 6 is also arranged on the base plate 1, so that the air outlet of the unit is more uniform, the air volume of the unit is maximized, the air outlet noise can be further reduced, and the technical problem of high operation noise of the parking air conditioner in the prior art is further solved.

According to a preferred embodiment, the evaporator 3 is a V-shaped single-layer evaporator, as shown in fig. 1 or 2. Preferably, the evaporator 3 is a V-shaped single-row tube fin evaporator, which can effectively reduce the wind resistance of the evaporator 3. It is specific, through-flow fan blade 2 receives the wind channel static pressure influence great, when the wind channel static pressure is too big, the unit amount of wind can diminish, the wind channel structure of the preferred technical scheme of this embodiment adopts V-arrangement individual layer evaporimeter, compare the direct vent multilayer's in prior art evaporimeter, its thickness obviously reduces, can reduce the unit windage when guaranteeing the unit ability, it is big to have tentatively solved current parking air conditioner wind channel resistance, it is not enough to cause the unit distance of supplying air, thereby lead to the not enough technical problem of parking air conditioner refrigerating capacity. On the other hand, the air duct structure of the preferred technical scheme of this embodiment adopts V-arrangement monolayer evaporimeter, still can effectively reduce the unit height.

According to a preferred embodiment, the air duct structure further comprises air deflectors 7, as shown in fig. 1 or 2. Preferably, the air deflector 7 is located below the chassis 1, and a strip-shaped air outlet is arranged on the air deflector 7. The air outlets in the prior art mostly adopt circular air outlets, namely, a plurality of rows of circular air outlets are arranged on the air deflector, and the aperture of each circular air outlet is smaller, so that the air outlet area is smaller, and the wind resistance is larger. And the utility model discloses preferred technical scheme's wind channel structure sets up bar form air outlet on the aviation baffle 7, compares in prior art general circular air outlet, can increase air-out area to can further reduce the unit windage.

Namely the utility model discloses preferred technical scheme's wind channel structure reduces the wind channel resistance from two aspects of structure and the air outlet structure of evaporimeter 3 at least, and it is big to have solved current parking air conditioner wind channel resistance, causes the unit air supply distance not enough to lead to the not enough technical problem of parking air conditioner refrigerating capacity.

According to a preferred embodiment, the air duct structure further comprises an evaporator air inlet 8, the evaporator air inlet 8 is located on the chassis 1, and the evaporator air inlet 8 is of a zigzag structure, and the inlet air enters the evaporator 3 through the evaporator air inlet 8. The evaporator air inlet 8 of the preferred technical scheme of the embodiment adopts a reversed-square structure, so that the air inlet area can be increased while the structural strength is ensured.

According to a preferred embodiment, the air duct structure further comprises a water pan 10, as shown in fig. 8. Preferably, the water pan 10 is integrated on the chassis 1 and located below the evaporator 3, the water pan 10 is set to be a slope structure, the water pan 10 is provided with a drainage rib 1001, and the condensate water generated by the evaporator 3 is drained after being drained through the drainage rib 1001. More preferably, the water pan 10 is of a structure with a high middle and slightly lower two sides. The preferred technical scheme of this embodiment sets up slope structure with water collector 10 and sets up drainage rib 1001 on water collector 10, can make things convenient for the comdenstion water to discharge from the left and right sides on chassis 1.

According to a preferred embodiment, the air duct structure further includes a bypass diversion branch 11, and the bypass diversion branch 11 is communicated with the bottom end of the water pan 10 to discharge the condensed water collected in the water pan 10 through the bypass diversion branch 11, as shown in fig. 8. According to the preferred technical scheme of the embodiment, the drainage bypass branch 11 is arranged, so that the hidden danger that condensed water enters the vehicle when the vehicle leans forwards can be avoided.

Example 2

The present embodiment will be described in detail with reference to fig. 1 and 2 of the specification.

The parking air conditioner of the embodiment comprises the air duct structure in any one technical scheme of embodiment 1. The parking air conditioner of this embodiment, owing to include the wind channel structure of any one technical scheme in embodiment 1 for the parking air conditioner has the advantage that the running noise is low, the wind channel resistance is little, thereby not only can improve user experience, can also make the interior temperature of car reduce to the comfortable temperature of human body.

Referring to fig. 1 or fig. 2, the parking air conditioner of the present embodiment further includes an outer cover 12, a condensing fan 13, a collecting cover 14, an inner unit 15, a display panel 16, a controller 17, a return air inlet 18, a limiting plate 19, a compressor 20, an evaporator heat-insulating cover 21, a decorative plate 22, a pipeline 23, and a condenser air inlet 24.

As shown in fig. 1 or 2, the inner unit 15 is located below the chassis 1, the condenser 9, the evaporator 3, and the compressor 20 are sequentially and centrally disposed on the chassis 1, and a fan or the like is also disposed above the chassis 1. Wherein, the condensing fan 13 is arranged on the collecting cover 14 and fixed right above the condenser 9.

Preferably, the condenser air inlet 24 is located on the chassis 1 below the condenser 9, and is also located on the chassis 1 at the side of the condenser 9, and the condenser air inlet 24 on the chassis 1 at the side of the condenser 9 is in a strip structure. As shown in fig. 1 or fig. 2, the condenser 9 is mounted on the chassis 1, the chassis 1 below the condenser 9 is provided with the condenser air inlet 24, and the chassis 1 on the side of the condenser 9 is provided with the condenser air inlet 24 in a strip structure, so that the air inlet area can be effectively increased.

Preferably, the evaporator thermal insulation cover 21 is arranged on the chassis 1 and covers the evaporator 3, and the evaporator thermal insulation cover 21 is made of thermal insulation material. The insulating material is for example a foam material. The evaporator heat-insulating cover 21 of the preferred technical scheme of the embodiment is made of heat-insulating materials, so that heat insulation of the evaporation cavity can be realized, and condensation water in the evaporation air channel is avoided.

Preferably, the compressor 20 is a horizontal compressor. The compressor 20 of the preferred technical scheme of this embodiment is a horizontal compressor, and can effectively reduce the height of the unit.

Preferably, the controller 17 is located in the inside return air compartment. The preferred technical scheme of this embodiment sets up controller 17 in inboard return air intracavity, can effectively utilize parking air conditioner return air temperature to reduce the temperature of controller 17 operation to can promote the reliability of controller 17 operation.

Preferably, the pipeline 23 is a copper pipe. The pipeline 23 of the preferred technical scheme of the embodiment is a copper pipe, and is welded before leaving a factory to form a closed pipeline system, so that the leakage of the refrigerant caused by a pipeline joint can be reduced.

Preferably, the housing 12 is streamlined. The outer cover 12 of the preferred technical scheme of the embodiment is streamlined, so that the wind resistance of the unit in the running process of the vehicle can be reduced.

The structure and connection manner of the rest of the parking air conditioner of this embodiment may be the same as those of the parking air conditioner of the prior art, and are not described herein again.

In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The air duct structure is characterized by comprising a base plate (1), cross-flow fan blades (2), an evaporator (3) and an evaporator air duct (4), wherein the evaporator (3) and the evaporator air duct (4) are located on the base plate (1), a containing cavity is formed between the evaporator (3) and the evaporator air duct (4), and the cross-flow fan blades (2) are located in the containing cavity.

2. The air duct structure according to claim 1, characterized in that a volute tongue (5) is integrated on the chassis (1), the volute tongue (5) is located below the cross-flow fan blade (2), and an air guide groove (501) is arranged on the volute tongue (5), so that the air discharged from the cross-flow fan blade (2) is discharged through the air guide groove (501).

3. The air duct structure according to claim 2, wherein the air guiding groove (501) is a concave-convex structure.

4. The air duct structure according to claim 3, wherein the ratio of the rib width of the protruding portion of the air guiding groove (501) to the groove width of the recessed portion of the air guiding groove (501) is 1: 1-1.5.

5. The air duct structure according to any one of claims 1 to 4, wherein the dimension of the chassis (1) in the length direction of the air outlet is smaller than the length of the cross-flow fan blade (2), and the chassis (1) is further provided with an air guide transition structure (6), so that the air discharged from the cross-flow fan blade (2) is discharged through the air guide transition structure (6).

6. The air duct structure of claim 5, wherein the distance between the outer edge of the air guide transition structure (6) and the end cover of the cross-flow fan blade (2) is 1-10 cm, and the included angle between the outer edge of the air guide transition structure (6) and the vertical edge is 45-60 degrees.

7. The air duct structure according to claim 1, characterized in that the evaporator (3) is a V-shaped single-layer evaporator.

8. The air duct structure according to claim 1, further comprising an air deflector (7), wherein the air deflector (7) is located below the chassis (1), and a strip-shaped air outlet is arranged on the air deflector (7).

9. The air duct structure according to claim 1, characterized by further comprising an evaporator air inlet (8), wherein the evaporator air inlet (8) is located on the chassis (1), and the evaporator air inlet (8) is of a zigzag structure, and the inlet air enters the evaporator (3) through the evaporator air inlet (8).

10. The air duct structure according to claim 1, characterized by further comprising a water pan (10), wherein the water pan (10) is integrated on the chassis (1) and located below the evaporator (3), the water pan (10) is arranged in a slope structure, a drainage rib (1001) is arranged on the water pan (10), and condensed water generated by the evaporator (3) is drained after being drained through the drainage rib (1001).

11. The air duct structure according to claim 10, characterized by further comprising a bypass diversion branch (11), wherein the bypass diversion branch (11) is communicated with the bottom end of the water pan (10) to discharge condensed water collected in the water pan (10) through the bypass diversion branch (11).

12. A parking air conditioner characterized by comprising the air duct structure of any one of claims 1 to 11.