CN219160575U - Air duct system and cabinet air conditioner with same - Google Patents

Abstract

The utility model relates to the field of air ducts, in particular to an air duct system and a cabinet air conditioner with the same. The air duct system includes: the volute part is provided with an air outlet facing upwards; the air guide part comprises a rear plate and two side plates, the two side plates are oppositely arranged at the left side and the right side of the air outlet, and the rear plate is arranged at the rear side of the air outlet and is in sealing connection with the two side plates; the indoor heat exchanger is lapped between the two diversion parts, the windward heat exchange surface of the indoor heat exchanger is arranged opposite to the rear plate, the indoor heat exchanger, the volute part and the diversion parts jointly enclose an air supply cavity, and air flows out through the air outlet of the volute part and all flow to the indoor heat exchanger through the air supply cavity under the diversion effect of the diversion parts. Like this, the air current that flows out through the air outlet of volute portion flows to indoor heat exchanger through the whole flow direction of air supply chamber under the water conservancy diversion effect of water conservancy diversion portion, avoids the deep bead to block the air and causes the amount of wind loss to improve indoor heat exchanger's heat exchange efficiency.

Description

Air duct system and cabinet air conditioner with same

Technical Field

The utility model relates to the field of air ducts, in particular to an air duct system and a cabinet air conditioner with the same.

Background

The cabinet air conditioner generally comprises an evaporator, a pipeline, an electrical box component, a motor, fan blades, a volute component and a box body. The square cabinet air conditioner is mainly provided with a straight plate type parallel flow evaporator, the evaporator is obliquely arranged on the upper portion of the cabinet air conditioner, the volute component is arranged on the lower portion of the cabinet air conditioner, and the motor and the centrifugal fan blade are arranged inside the volute. When the air conditioner is in operation, the motor drives the fan blades to operate, air flow is generated, the air flow flows from bottom to top, and after heat exchange is carried out through the evaporator, required cold air or hot air is blown out.

In the related art, two wind shields are generally arranged at two sides of the evaporator to block air flow, and part of air flows to the evaporator after rebounding through the wind shields, so that air supply pressure is weakened, and heat exchange efficiency of the evaporator is affected.

Disclosure of Invention

In order to solve the technical problem that wind shields are arranged on two sides of an evaporator to cause air loss in the related art, an air duct system and a cabinet air conditioner with the same are provided.

According to one aspect of the present utility model, there is provided an air duct system comprising: the volute part is provided with an air outlet facing upwards; the air guide part comprises a rear plate and two side plates, the two side plates are oppositely arranged at the left side and the right side of the air outlet, and the rear plate is arranged at the rear side of the air outlet and is in sealing connection with the two side plates; the indoor heat exchanger is lapped between the two diversion parts, the windward heat exchange surface of the indoor heat exchanger is arranged opposite to the rear plate, the indoor heat exchanger, the volute part and the diversion parts jointly enclose an air supply cavity, and air flows out through the air outlet of the volute part and all flow to the indoor heat exchanger through the air supply cavity under the diversion effect of the diversion parts.

Further, the surfaces of the two side plates which are oppositely arranged are provided with first air guide structures, the first air guide structures form a tip with gradually reduced width, and the tip of each first air guide structure is arranged towards the indoor heat exchanger.

Further, the first air guiding structure is provided with a central line which is arranged in an arc shape, the central line is provided with an endpoint P which is close to the tip and an endpoint Q which is far away from the tip, a tangent line passing through the endpoint P of the central line is perpendicular to the heat exchange surface of the indoor heat exchanger, and the tangent line passing through the endpoint Q of the central line extends along the vertical direction.

Further, the plurality of first air guide structures are arranged on the side plate at intervals, and two adjacent first air guide structures are at least partially arranged in a dislocation manner along the vertical direction; and/or the first air guiding structure is arranged in a water drop shape.

Further, the surface of the rear plate facing the indoor heat exchanger is provided with a second air guide structure, the second air guide structure is a strip-shaped structure extending along the left-right direction, the cross section of the second air guide structure on the vertical surface is triangular, and the tip end of the second air guide structure faces the indoor heat exchanger.

Further, the two side plates are of triangular structures, a first side of each triangular structure extending along the horizontal direction is attached to the volute part, a second side of each triangular structure extending along the vertical direction is attached to the rear plate, and a third side of each triangular structure is used for being attached to the indoor heat exchanger; the included angle between the third side and the second side is alpha, and alpha is equal to the inclined angle between the indoor heat exchanger and the vertical surface when the indoor heat exchanger is placed; preferably, the triangle structure is a right triangle, the third side is a hypotenuse, the second side and the first side are both right-angle sides, and the length of the second side is greater than that of the first side.

Further, the distance between the oppositely arranged surfaces of the two side plates is D, and D is equal to the expansion size of the heat exchange fins of the indoor heat exchanger.

Further, the volute part and the two side plates are integrally arranged; or the volute part and the diversion part are integrally arranged; or the volute part and the diversion part are arranged separately.

Further, the surface that the curb plate is used for laminating with indoor heat exchanger is equipped with the recess, and the groove lateral wall of recess is used for laminating with indoor heat exchanger's sideboard, and the tank bottom wall of recess is used for laminating with indoor heat exchanger's sideboard hem.

Further, the volute part and the diversion part are arranged; the side plate further includes: the first folding edge is connected with the second edge and is used for being welded with the rear plate; the second folded edge is connected with the third edge, and the first folded edge is used for being connected with a side plate of the indoor heat exchanger; the third folded edge is connected with the first edge and is used for being overlapped with the air outlet end face where the air outlet of the volute part is located.

According to another aspect of the utility model, a cabinet air conditioner is provided, comprising the air duct system.

By adopting the technical scheme of the utility model, the wind shield is omitted, the air supply cavity is formed by the volute part, the flow guiding part and the indoor heat exchanger, and the air flow flowing out through the air outlet of the volute part flows to the indoor heat exchanger through the air supply cavity under the flow guiding effect of the flow guiding part, so that the air quantity loss caused by the blocking of the air by the wind shield is avoided, and the heat exchange efficiency of the indoor heat exchanger is improved.

Drawings

Fig. 1 is a schematic diagram showing an assembly structure of a cabinet air conditioner in the related art;

fig. 2 is a schematic diagram showing an assembled structure of an evaporator, a volute, and a wind deflector of the cabinet air conditioner of fig. 1;

FIG. 3 shows a schematic view of the structure of FIG. 2 at another angle;

FIG. 4 shows a schematic diagram of the assembled configuration of an air duct system and evaporator of an alternative embodiment of the present utility model;

fig. 5 shows a schematic perspective view of fig. 4;

FIG. 6 shows a schematic view of the structure of FIG. 5 at another angle;

FIG. 7 shows an enlarged view at A in FIG. 6;

FIG. 8 shows a schematic structural view of an alternative embodiment of the air duct system of the present utility model, wherein the volute section and the two side plates are integrally formed;

FIG. 9 shows a cross-sectional view at A-A in FIG. 8;

fig. 10 shows an enlarged view at B in fig. 9;

FIG. 11 shows a rear view of FIG. 8;

fig. 12 shows a schematic perspective view of fig. 8;

FIG. 13 illustrates a schematic view of an alternative embodiment of the air duct structure of the present utility model wherein the volute section and the inducer are integrally formed;

FIG. 14 shows a schematic diagram of an assembled configuration of an air duct system and evaporator of yet another alternative embodiment of the utility model, wherein a volute section and a deflector section are provided;

FIG. 15 is a schematic view of the assembled configuration of the air duct system and drip tray assembly of FIG. 14;

FIG. 16 is a schematic view of the assembled configuration of the air duct system, water deflector assembly and water pan assembly of FIG. 14;

FIG. 17 is a schematic diagram of a flow guide of the air duct system of FIG. 14;

fig. 18 shows a front view of fig. 17;

fig. 19 shows a left side view of fig. 17.

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model.

In the drawings:

10. a volute section; 11. an air outlet; 20. a flow guiding part; 21. a rear plate; 210. a second air guiding structure; 22. a side plate; 2. a groove; 221. a first edge; 222. a second side; 223. a third side; 224. a first hem; 225. a second flanging; 226. a third flanging; 220. a first air guiding structure; 1. a center line; 100. an indoor heat exchanger; 101. a side plate; 102. edge folding of the side plates; 200. a water deflector assembly; 300. and the water receiving disc assembly.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

In order to solve the technical problem that wind shields are arranged on two sides of an evaporator to cause wind loss in the related art, the utility model provides an air duct system and a cabinet air conditioner with the same.

As shown in fig. 1 to 3, a cabinet air conditioner in the related art is generally composed of an evaporator, a pipeline, an electrical box component, a motor, a fan blade, a volute component and a box body. Wherein, the square cabinet machine has most of evaporators which are straight plate type parallel flow evaporators and are obliquely arranged at the upper part of the cabinet machine, the volute component is arranged at the lower part of the cabinet air conditioner, the motor and the centrifugal fan blade are arranged in the volute, and the volute, the motor and the fan blade jointly form an air supply system. When the air conditioner is in operation, the motor drives the fan blades to operate, the air supply system generates air flow, the air flow flows from bottom to top, and the required cold air or hot air is blown out after heat exchange is carried out through the evaporator. The evaporator is obliquely arranged, the upper part of the evaporator is fastened with the rear plate of the box body through the upper side plate of the evaporator, and the bottom of the evaporator is lapped with the water pan assembly through the water baffle. The spiral case is placed in the evaporimeter lower part, and motor and centrifugal fan blade set up in the spiral case is inside, and two deep bead sets up respectively in left and right sides position, and is fixed with the evaporimeter left and right sides board, and during the operation of internal machine, centrifugal fan blade inhale air from the below, upwards bloies, and the air flow direction in the middle carries out the heat exchange by the evaporimeter, and the air of left and right sides is blocked by two deep bead respectively, and a part flows towards upper portion, and a part flows towards intermediate position, and a part is because of the rebound loss of keeping out the wind, causes the amount of wind loss. In the existing design, air on the left side and the right side cannot flow to the middle heat exchange surface at the first time, so that the air quantity is lost, the air supply pressure is weakened, and the heat exchange effect is reduced. And the air flow direction is not in a right angle direction with the heat exchange surface of the evaporator and is in a certain acute angle alpha, so that the air and the heat exchange fins cannot be attached most efficiently, and the heat exchange efficiency of part is affected.

As shown in fig. 4 to 19, the present application provides an air duct system, including: a volute section 10, wherein the volute section 10 has an air outlet 11 facing upward; the air guide part 20, the air guide part 20 comprises a rear plate 21 and two side plates 22, the two side plates 22 are oppositely arranged at the left side and the right side of the air outlet 11, and the rear plate 21 is arranged at the rear side of the air outlet 11 and is in sealing connection with the two side plates; the indoor heat exchanger 100 is lapped between the two diversion parts, the windward heat exchange surface of the indoor heat exchanger 100 is arranged opposite to the rear plate, the indoor heat exchanger 100, the volute part 10 and the diversion part 20 jointly enclose an air supply cavity, and the air flow flowing out through the air outlet 11 of the volute part 10 flows to the indoor heat exchanger 100 through the air supply cavity under the diversion effect of the diversion part 20.

Like this, this application has cancelled the deep bead, and volute portion 10, water conservancy diversion portion 20 and indoor heat exchanger 100 enclose into the air supply chamber, and the air current that flows out through the air outlet 11 of volute portion 10 flows to indoor heat exchanger 100 through the whole flow direction of air supply chamber under the water conservancy diversion effect of water conservancy diversion portion 20, avoids the deep bead to block the air and causes the amount of wind loss to improve indoor heat exchanger 100's heat exchange efficiency.

Alternatively, as shown in fig. 4 to 13, the first wind guiding structure 220 is provided on the opposite surfaces of the two side plates 22, the first wind guiding structure 220 forms a tip with a gradually decreasing width, and the tip of the first wind guiding structure 220 is disposed toward the indoor heat exchanger 100. In this way, the first air guiding structure 220 drives the air flow in the air supply cavity to flow to the heat exchange surface of the indoor heat exchanger 100, so as to further improve the heat exchange efficiency of the indoor heat exchanger 100.

As shown in fig. 9 and 10, the first air guiding structure 220 has a central line 1 disposed in an arc shape, the central line 1 has an end point P near the tip and an end point Q far from the tip, a tangent line passing through the end point P of the central line 1 is perpendicular to the heat exchange surface of the indoor heat exchanger 100, and a tangent line passing through the end point Q of the central line 1 extends in a vertical direction. In this way, the first air guiding structure 220 drives the airflow in the air supply cavity to vertically flow to the heat exchange surface of the indoor heat exchanger 100, so as to further improve the heat exchange efficiency of the indoor heat exchanger 100.

As shown in fig. 9 and 10, a plurality of first air guiding structures 220 are disposed on the side plate 22 at intervals, and two adjacent first air guiding structures 220 are at least partially disposed in a staggered manner along the vertical direction. In this way, the first air guiding structures 220 are staggered in a geometric array, so that the air flow direction is penetrated, and the first air guiding structures 220 at the top can guide the air flow direction. Meanwhile, the plurality of first air guiding structures 220 can also play a role of cutting air, thereby playing a role of reducing noise of the air duct system.

As shown in fig. 9 and 10, the first air guiding structure 220 is arranged in a water-drop shape. Thus, the shape of the water drop is in a pipeline type, which is beneficial to enabling the air flow to be smoother.

As shown in fig. 13, the surface of the rear plate 21 facing the indoor heat exchanger 100 is provided with a second air guiding structure 210, the second air guiding structure 210 is a strip structure extending in the left-right direction, the cross section of the second air guiding structure 210 on the vertical plane is triangular, and the tip of the second air guiding structure 210 faces the indoor heat exchanger 100. In this way, the second air guiding structure 210 guides the air at the back to flow vertically to the heat exchanging surface of the evaporator, further improving the heat exchanging efficiency of the indoor heat exchanger 100.

Alternatively, the second wind guiding structure 210 is a strip structure extending along the horizontal direction.

Alternatively, as shown in fig. 13, a plurality of second air guiding structures 210 are provided on the rear plate 21 at intervals in the vertical direction. The air guiding effect of providing a plurality of second air guiding structures 210 is better.

Optionally, both side plates 22 are of a triangular structure, a first side 221 of the triangular structure extending in the horizontal direction is attached to the volute section 10, a second side 222 of the triangular structure extending in the vertical direction is attached to the rear plate 21, and a third side 223 of the triangular structure is used for attaching to the indoor heat exchanger 100; the angle between the third side 223 and the second side 222 is α, which is equal to the inclination angle between the vertical plane when the indoor heat exchanger 100 is placed.

Preferably, the triangle structure is a right triangle, the third side 223 is a hypotenuse, the second side 222 and the first side 221 are both right angle sides, and the length of the second side 222 is greater than the length of the first side 221.

As shown in fig. 9, the opposite surfaces of the two side plates 22 are arranged in a right triangle shape, a first side 221 of the right triangle extending in the horizontal direction is attached to the volute section 10, a second side 222 of the right triangle extending in the vertical direction is attached to the rear plate 21, and a third side 223 of the right triangle is used for attaching to the indoor heat exchanger 100; the angle between the third side 223 and the second side 222 is α, which is equal to the inclination angle between the vertical plane when the indoor heat exchanger 100 is placed. In this way, during assembly, the indoor heat exchanger 100 is bonded to the surface of the third side 223 of the two side plates 22, and after assembly, the indoor heat exchanger 100, the casing portion 10, and the guide portion 20 are enclosed to form a closed air supply chamber.

As shown in fig. 9 and 10, the first wind guiding structure 220 is arranged in a drop shape, and the tip of the first wind guiding structure 220 is arranged toward the third side 223. The angle between the tangent of the center line 1 passing through the end point P and the third side 223 is 90 °, and the angle between the tangent of the center line 1 passing through the end point Q and the first side 221 is 90 °. In this way, the air flow is ensured to vertically flow to the heat exchanging surface of the indoor heat exchanger 100 under the guiding action of the first air guiding structure 220.

Alternatively, the indoor heat exchanger 100 is an evaporator.

Alternatively, as shown in fig. 8 and 18, the distance between the oppositely disposed surfaces of the two side plates 22 is D, which is equal to the swell size of the heat exchange fins of the indoor heat exchanger 100. Through the size limitation, the indoor heat exchanger 100, the volute section 10 and the diversion section 20 can form a closed air supply cavity after being assembled.

Alternatively, the volute section 10 is integrally provided with the two side plates 22; or the volute section 10 and the diversion section 20 are integrally arranged; or the volute section 10 and the diversion section 20 are provided separately. Like this, through integrative setting, reduce the quantity of spare part to be favorable to promoting assembly efficiency.

Alternatively, as shown in fig. 6 and 7, the surface of the side plate 22 for fitting with the indoor heat exchanger 100 is provided with a groove 2, the groove side wall of the groove 2 is for fitting with the side plate 101 of the indoor heat exchanger 100, and the groove bottom wall of the groove 2 is for fitting with the side plate hem 102 of the indoor heat exchanger 100. In this way, the groove 2 cooperates with the side plate 101 and the side plate flange 102 of the indoor heat exchanger 100 to facilitate sealing therebetween.

Alternatively, as shown in fig. 14 to 19, the volute section 10 is provided separately from the diversion section 20; the side plate 22 further includes: a first flange 224 connected to the second flange 222, the first flange 224 being adapted to be welded to the rear panel 21; a second flange 225 connected to the third side 223, the first flange 224 being for connection to a side plate of the indoor heat exchanger 100; the third folded edge 226 is connected to the first edge 221, and the third folded edge 226 is used for overlapping with an air outlet end surface where the air outlet 11 of the volute section 10 is located. Thus, the rear plate 21 and the side plate 22 of the baffle 20 are assembled as a unit, then the casing part 10 and the baffle 20 are assembled together, and finally the indoor heat exchanger 100 and the casing part 10 and the baffle 20 are assembled together. The volute section 10 and the diversion section 20 together form a closed air supply duct; when the indoor heat exchanger 100 is assembled with the air supply duct, the volute section 10, the flow guiding section 20 and the indoor heat exchanger 100 enclose a closed air supply cavity, and the air flow flowing out through the air outlet 11 of the volute section 10 flows to the indoor heat exchanger 100 through the air supply cavity under the flow guiding action of the flow guiding section 20.

The application also provides a cabinet air conditioner, which comprises the air duct system. The cabinet air conditioner provided by the application is low in cost, high in heat exchange efficiency and good in performance.

In the alternative embodiment shown in fig. 12, the volute section 10 is integrally provided with two side plates 22 to form a new volute structure, the rear plate 21 is integrally provided with the box body, and is a rear plate of the box body. The two side plates 22 form a left wind shielding surface and a right wind shielding surface, the wind shielding surfaces are triangular and perpendicular to the heat exchange surface of the evaporator, the end angle of the new volute structure is set to be alpha, alpha is equal to the inclination angle between the evaporator and the vertical surface when the evaporator is placed, and the left side plate and the right side plate of the evaporator can be well attached to the wind shielding surface of the volute after the evaporator is inclined when the evaporator is assembled. The width of the air outlet frame of the volute is set to be D, and D is equal to the expansion size of the heat exchange fins of the evaporator. The first air guiding structure 220 is arranged on the left and right wind shielding surfaces of the volute casing, and the shape of the water drops is a pipeline type. The direction of the water drops is in an arc direction, the tangential direction of the tail is in a vertical direction, the direction is used as an air inlet end for guiding air to flow upwards, the tangential direction of the tip is perpendicular to the heat exchange surface of the evaporator, and the direction is used as an air outlet end for guiding air to flow vertically to the heat exchange surface of the evaporator, so that the heat exchange efficiency is improved. The first wind guiding structures 220 are staggered in a geometric array, and the air flow directions are alternated, so that the first wind guiding structures 220 at the top can guide the air flow directions. The plurality of first air guiding structures 220 cut air to perform a noise reduction function of the air duct system. After the installation is finished, the air duct system and the evaporator heat exchange fins form a closed cavity structure, when the cabinet machine operates, the cabinet machine is also in the volute, the centrifugal fan blades suck air from the lower part and blow the air upwards, and the air outlet end faces are all positioned on the evaporator heat exchange fins. The left side and the right side of the air duct system are not blocked by the wind shields, air can flow to the middle fins of the evaporator to exchange heat, the air supply pressure is higher than that of the original design, the first air guide structure 220 on the volute of the air duct system guides the wind direction to vertically flow to the heat exchange surface of the evaporator, the utilization rate of the air quantity is higher, and the heat exchange effect is improved.

In the alternative embodiment shown in fig. 13, a connection structure is disposed at the back of the volute, and the rear plate 21, the two side plates 22 and the volute portion 10 are integrally formed to form a new volute structure, the rear plate 21 of the new volute structure is connected with the left and right wind shielding surfaces of the volute, the rear plate 21 can be provided with a second wind guiding structure 210, the second wind guiding structure 210 is in a triangle shape, and the second wind guiding structure 210 can guide the air at the back to flow vertically to the heat exchange surface of the evaporator, so as to improve the heat exchange efficiency.

Optionally, in the embodiment of fig. 12 or fig. 13, a spigot is disposed on the joint surface of the new volute structure and the evaporator side plate to be matched, the bottom of the groove of the spigot of the volute is in hemmed joint with the evaporator side plate, and the side edge of the groove of the spigot is in surface joint with the evaporator side plate, which is characterized by being used for improving the tightness of the volute and the evaporator component and preventing air leakage.

In the embodiment of fig. 12 or 13 of the present application, the volute section 10 and the diversion section 20 are integrally provided to form a new type of volute. The application provides a novel spiral case is last, is equipped with first wind-guiding structure 220, order about the inside air vertical flow direction of air duct system in the evaporimeter face, improves heat exchange efficiency. In addition, the first air guiding structures 220 are distributed in a geometric array, and cut air to play a role in noise reduction of the air duct system. The novel spiral case is matched with the joint surface of the side plate of the evaporator by a spigot, and the spiral case is provided with a wind shielding groove which is matched with the edge folding spigot of the side plate of the evaporator, so that the tightness of an air duct system is effectively improved.

In the embodiment shown in fig. 14 to 19 of the present application, the volute section 10 and the flow guiding section 20 are separately arranged, two side plates 22 are respectively arranged at the left side and the right side of the air outlet 11 of the volute section 10, the two side plates 22 and the rear plate 21 form a new rear plate assembly, the two side plate 22 bodies are triangular, the angle of the triangle sets an alpha value, and the alpha is equal to the inclination angle between the evaporator and the vertical surface when the evaporator is placed. The two side plates 22 are used for guiding the air flow flowing outwards from the air outlet 11 of the volute part 10, a first folded edge 224, a second folded edge 225 and a third folded edge 226 are arranged on the two side plates 22, the width of each folded edge is set to be more than or equal to 9mm and less than or equal to 15mm, and the first folded edge 224 and the rear plate 21 are spot-welded together, so that a rear plate assembly is formed. The distance between the two side plates 22 is set to be D, and D is equal to the expansion size of the heat exchange fins of the evaporator. The platforms on two sides of the air outlet end surface of the volute section 10 are lapped on the third folded edges 226 of the two side plates 22, and the rear plate 21, the two side plates 22 and the volute section 10 are combined to form a closed air supply system. The evaporator is assembled by being placed obliquely on the upper part of the air conditioner, and the left and right side plates of the evaporator are fastened with the second flanges 225 of the two side plates 22. The upper part is fastened with the rear plate of the box body through the upper side plate of the evaporator, and the bottom part is lapped with the water pan assembly 300 through the water baffle assembly 200. The evaporator and the air supply system form a closed cavity structure after being placed. Like this, the deep bead has been cancelled, only needs to assemble two curb plates 22 on back plate 21, has reduced the air backward flow, and the air is all gushed to the heat transfer fin in the middle of the evaporimeter on, and the utilization ratio of amount of wind is high, has promoted the heat transfer effect.

According to the heat exchange device, an integral inner cavity structure is formed by the volute part 10, the flow guide part 20 and the evaporator part, a left wind screen and a right wind screen are not needed, the cost reduction and efficiency enhancement of parts are reduced, air is supplied from the air outlet of the volute, flows to the heat exchange surface in the middle of the evaporator, the position of the left wind screen and the right wind screen is avoided, the backflow loss is reduced, the air supply pressure is improved, meanwhile, the volute is provided with the air guide structural feature, the air direction is guided to flow vertically to the heat exchange surface of the evaporator, and the heat exchange efficiency is improved.

Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that this disclosure is not limited to the particular arrangements, instrumentalities and implementations described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (12)

1. An air duct system, comprising:

a volute section (10), wherein the volute section (10) has an air outlet (11) that faces upward;

the air guide part (20), the air guide part (20) comprises a rear plate (21) and two side plates (22), the two side plates (22) are oppositely arranged at the left side and the right side of the air outlet (11), and the rear plate (21) is arranged at the rear side of the air outlet (11) and is in sealing connection with the two side plates;

the indoor heat exchanger (100) is lapped between the two diversion parts, the windward heat exchange surface of the indoor heat exchanger is arranged opposite to the rear plate, the indoor heat exchanger (100), the volute part (10) and the diversion part (20) jointly enclose an air supply cavity, and air flows out through an air outlet (11) of the volute part (10) flow to the indoor heat exchanger (100) under the diversion effect of the diversion part (20) through the air supply cavity.

2. The air duct system of claim 1, wherein the air duct system comprises a plurality of air ducts,

the two side plates (22) are provided with first air guide structures (220) on the surfaces which are oppositely arranged, the first air guide structures (220) form a tip with gradually reduced width, and the tips of the first air guide structures (220) are arranged towards the indoor heat exchanger (100).

3. The air duct system of claim 2, wherein the air duct system comprises a plurality of air ducts,

the first air guiding structure (220) is provided with a central line (1) which is in an arc shape, the central line (1) is provided with an endpoint P which is close to the tip and an endpoint Q which is far away from the tip, a tangent line passing through the endpoint P of the central line (1) is perpendicular to a heat exchange surface of the indoor heat exchanger (100), and a tangent line passing through the endpoint Q of the central line (1) extends along the vertical direction.

4. The air duct system of claim 2, wherein the air duct system comprises a plurality of air ducts,

the plurality of first air guide structures (220) are arranged on the side plate (22) at intervals, and two adjacent first air guide structures (220) are at least partially arranged in a dislocation manner along the vertical direction; and/or

The first air guiding structure (220) is in a water drop shape.

5. The air duct system of claim 1, wherein the air duct system comprises a plurality of air ducts,

the surface of back plate (21) orientation indoor heat exchanger (100) is provided with second wind-guiding structure (210), second wind-guiding structure (210) are the strip structure that extends along the left and right directions, the cross-section of second wind-guiding structure (210) on the vertical face is triangle-shaped setting, the pointed end of second wind-guiding structure (210) orientation indoor heat exchanger (100).

6. The air duct system of claim 1, wherein the air duct system comprises a plurality of air ducts,

the two side plates (22) are of triangular structures, a first side (221) of each triangular structure extending along the horizontal direction is attached to the volute section (10), a second side (222) of each triangular structure extending along the vertical direction is attached to the rear plate (21), and a third side (223) of each triangular structure is used for being attached to the indoor heat exchanger (100);

the included angle between the third side (223) and the second side (222) is alpha, and alpha is equal to the inclined angle between the indoor heat exchanger (100) and a vertical plane when the indoor heat exchanger is placed.

7. The air duct system of claim 6, wherein the air duct system comprises a plurality of air ducts,

the triangle structure is a right triangle, the third side (223) is a hypotenuse, the second side (222) and the first side (221) are both right-angle sides, and the length of the second side (222) is greater than that of the first side (221).

8. The air duct system of claim 1, wherein the air duct system comprises a plurality of air ducts,

the distance between the oppositely arranged surfaces of the two side plates (22) is D, and D is equal to the expansion size of the heat exchange fins of the indoor heat exchanger (100).

9. The air duct system of claim 1, wherein the air duct system comprises a plurality of air ducts,

the volute section (10) is integrally arranged with the two side plates (22); or alternatively

The volute section (10) and the flow guiding section (20) are integrally arranged; or alternatively

The volute section (10) and the diversion section (20) are arranged in a split mode.

10. The air duct system of claim 1, wherein the air duct system comprises a plurality of air ducts,

the side plates (22) are used for being fitted with the indoor heat exchanger (100), grooves (2) are formed in the surfaces of the side plates, the groove side walls of the grooves (2) are used for being fitted with side plates (101) of the indoor heat exchanger (100), and the groove bottom walls of the grooves (2) are used for being fitted with side plate folded edges (102) of the indoor heat exchanger (100).

11. The duct system of claim 6 or 7, wherein the duct system comprises a duct system,

the volute section (10) and the flow guiding section (20) are arranged in a split mode;

the side plate (22) further includes:

-a first flange (224) connected to the second edge (222), the first flange (224) being intended to be welded to the rear plate (21);

a second flange (225) connected to the third side (223), the first flange (224) being adapted to be connected to a side plate of the indoor heat exchanger (100);

and the third folded edge (226) is connected with the first edge (221), and the third folded edge (226) is used for being overlapped with the air outlet end face where the air outlet (11) of the volute part (10) is positioned.

12. A cabinet air conditioner comprising the duct system of any one of claims 1 to 11.

Images