CN113531876A - Heat exchange assembly and air conditioning system - Google Patents

Abstract

The application relates to the technical field of air conditioning, discloses a heat exchange assembly, includes: the fan structure comprises a hub and a fan blade group, wherein the fan blade group is connected with the hub; and an annular space is formed between the fan blade group and the hub in the radial direction of the hub; a heat exchanger may be disposed within the annular space. By adopting the heat exchange assembly provided by the embodiment of the disclosure, the heat exchanger is arranged in the fan structure, and air flows through the heat exchanger firstly and then is discharged through the fan structure when entering the fan structure in the axial direction. The air speed is low when the air flows through the heat exchanger, and abnormal sound can be effectively prevented from being generated. Also, the size of the fan can be increased, and thus the rotational speed of the fan can be reduced to reduce noise. And the heat exchanger is embedded into the fan structure, so that the space is saved, the structure of the heat exchange assembly is more compact, and the heat exchange assembly is more conveniently applied to an air conditioning system. The application also discloses an air conditioning system.

Description

Heat exchange assembly and air conditioning system

Technical Field

The application relates to the technical field of air conditioning, for example to a heat exchange assembly and an air conditioning system.

Background

At present, in an air conditioner, a fan is generally positioned inside a heat exchanger, the heat exchanger is positioned at an air outlet of the fan, and abnormal sound is easily generated when air flow blows to the heat exchanger. Moreover, the size of the fan is limited by the structure of the heat exchanger, and when the required air volume is required to be met, the rotating speed of the fan must be increased, so that the noise is increased while the rotating speed is increased.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art: the noise that fan produced in the current air conditioner is big, reduces user's use and experiences.

Disclosure of Invention

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides a heat exchange assembly and an air conditioning system, which aim to solve the problems that the noise generated by a fan in the existing air conditioner is large and the user experience is reduced.

In some embodiments, the heat exchange assembly comprises:

the fan structure comprises a hub and a fan blade group, wherein the fan blade group is connected with the hub; and an annular space is formed between the fan blade group and the hub in the radial direction of the hub;

a heat exchanger may be disposed within the annular space.

In some embodiments, the air conditioning system comprises: the heat exchange assembly is provided.

The heat exchange assembly and the air conditioning system provided by the embodiment of the disclosure can realize the following technical effects:

by adopting the heat exchange assembly provided by the embodiment of the disclosure, the heat exchanger is arranged in the fan structure, and air flows through the heat exchanger firstly and then is discharged through the fan structure when entering the fan structure in the axial direction. The air speed is low when the air flows through the heat exchanger, and abnormal sound can be effectively prevented from being generated. Also, the size of the fan can be increased, and thus the rotational speed of the fan can be reduced to reduce noise. And the heat exchanger is embedded into the fan structure, so that the space is saved, the structure of the heat exchange assembly is more compact, and the heat exchange assembly is more conveniently applied to an air conditioning system.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

FIG. 1 is a schematic structural diagram of a heat exchange assembly provided in an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a heat exchange assembly provided by an embodiment of the present disclosure;

FIG. 3 is a schematic cross-sectional view of a heat exchange assembly according to an embodiment of the present disclosure;

FIG. 4 is an exploded schematic view of a heat exchange assembly provided by an embodiment of the present disclosure;

FIG. 5 is an exploded view of a fan module of a heat exchange assembly according to an embodiment of the present disclosure;

FIG. 6 is a schematic structural diagram of a heat exchanger module of a heat exchange assembly according to an embodiment of the present disclosure;

fig. 7 is a schematic structural diagram of a second housing provided in the embodiment of the present disclosure;

fig. 8 is a schematic structural diagram of another second housing provided in the embodiment of the present disclosure;

FIG. 9 is a schematic structural diagram of a fan structure according to an embodiment of the present disclosure;

FIG. 10 is a sectional top view of the fan structure of FIG. 9;

FIG. 11 is a schematic structural view of another heat exchange assembly provided by the embodiments of the present disclosure;

FIG. 12 is a schematic structural diagram of another fan structure provided in the embodiments of the present disclosure;

FIG. 13 is a schematic structural diagram of a heat exchanger provided in an embodiment of the present disclosure;

fig. 14 is a schematic structural diagram of a connection structure of a heat exchanger according to an embodiment of the present disclosure;

FIG. 15 is a schematic structural view of a connecting rod provided in the embodiments of the present disclosure;

FIG. 16 is a schematic diagram of an airflow channel of a heat exchanger according to an embodiment of the present disclosure;

FIG. 17 is a schematic diagram of an alternative heat exchanger airflow path configuration provided by embodiments of the present disclosure;

FIG. 18 is a schematic structural diagram of another heat exchanger provided by an embodiment of the present disclosure;

FIG. 19 is a schematic view of a portion of another heat exchanger provided in accordance with an embodiment of the present disclosure;

FIG. 20 is a schematic view of a portion of another heat exchanger provided in accordance with an embodiment of the present disclosure;

fig. 21 is a schematic structural view of another second housing provided in the embodiment of the present disclosure;

reference numerals:

100. a fan structure; 101. an annular space; 110. a hub; 120. a fan blade group; 121. a guide vane; 122. a blade; 130. a motor; 131. a motor fixing seat; 140. a disc; 200. a heat exchanger; 201. an extending end; 202. the middle part is hollowed out; 203. fixing a bracket; 204. an air flow channel; 210. an annular plate heat exchange structure; 2101. a first annular plate heat exchange structure; 2102. a second annular plate type heat exchange structure; 211. a heat dissipating plate body; 212. a refrigerant pipe; 2121. an annular channel; 2122. a radial channel; 2123. a liquid inlet pipeline; 2124. a liquid outlet pipeline; 220. a connecting structure; 221. a connecting rod; 2211. an end seat; 2212. an external thread; 222. a support pad; 300. a housing; 301. an air outlet; 302. an air inlet; 310. a first housing; 311. an assembly hole; 320. a second housing; 321. a filter screen; 330. a housing support frame; 340. a sandwich panel; 3400. a first connecting structure; 350. a water pan structure; 3500. a drain hole; 360. a pod; 370. a longitudinal vortex generator.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art according to specific situations.

The term "plurality" means two or more unless otherwise specified.

In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

Referring to fig. 1 to 21, an embodiment of the present disclosure provides a heat exchange assembly, which includes a fan structure 100 and a heat exchanger 200. The fan structure 100 includes a hub 110 and a blade set 120, the blade set 120 is connected to the hub 110, and an annular space 101 is formed between the blade set 120 and the hub 110 in a radial direction of the hub 110. A heat exchanger 200 may be placed in the annular space 101.

By adopting the heat exchange assembly of the embodiment of the present disclosure, the heat exchanger 200 is disposed inside the fan structure 100, and on the wind path of the heat exchange assembly, when air enters through the axial direction of the fan structure 100, the air flows through the heat exchanger 200 first and then is discharged through the fan structure 100. The air velocity is low when the air passes through the heat exchanger 200, and the generation of abnormal noise can be effectively prevented. Also, the size of the fan can be increased, and thus the rotational speed of the fan can be reduced to reduce noise. Moreover, the heat exchanger 200 is embedded inside the fan structure 100, so that the space is saved, and the structure of the heat exchange assembly is more compact and more conveniently applied to an air conditioning system.

In the embodiment of the present disclosure, the heat exchanger 200 is disposed in the annular space 101 of the fan structure 100, and it is necessary to control the heat exchanger 200 and the fan structure 100 not to contact with each other, so as to ensure the rotation of the fan structure 100.

In some embodiments, the heat exchanger 200 is disposed within the annular space 101 proximate to the fan blade set 120. The space between the heat exchanger 200 and the hub 110 is increased, so that the air inlet area is increased, and the air inlet amount is increased.

Alternatively, as shown in fig. 1 and 3, the outer side of the heat exchanger 200 is in clearance fit with the inner side of the fan blade set 120. Under the condition that the size of the heat exchanger is fixed, the air inlet area is further increased, and the air inlet amount is increased.

In some embodiments, as shown in fig. 3, a gap is formed between the end 201 of the heat exchanger 200 that extends into the annular space 101 and the bottom surface of the annular space.

In the disclosed embodiment, in order to ensure that air can flow through the heat exchanger. In some embodiments, the heat exchanger 200 is annular. The control air enters the annular heat exchanger 200, passes through the annular heat exchanger, and is discharged from the fan blade group 120. Then, the inner ring area of the annular heat exchanger is the air inlet area.

In the embodiment of the present disclosure, the specific structural form of the heat exchanger 200 is not limited as long as it is ensured that the air can enter the fan blade group 120 of the fan structure 100 after passing through.

Optionally, the outer diameter of the annular heat exchanger is slightly smaller than the inner diameter of the fan blade set 120. The outer side surface of the annular heat exchanger is in clearance fit with the inner side of the fan blade group 120. And the heat exchange area can be maximally increased.

In some embodiments, the heat exchange assembly further comprises a housing 300. The fan structure 100 is arranged in the housing 300, and an air outlet 301 is arranged on the housing 300 corresponding to the radial air outlet side of the fan structure 100; an air inlet 302 is arranged on the housing 300 corresponding to the axial side of the fan structure 100; the heat exchanger 200 is disposed 302 within the housing 300 around the air intake, with the heat exchanger 300 disposed within the annular space 101 of the fan structure 100; so that the air enters from the air inlet 302, sequentially passes through the heat exchanger 200 and the fan blade group 120, and then is discharged from the air outlet 301. An air channel structure is provided for the heat exchange assembly, so that air flows more orderly, and the heat exchange efficiency is improved. The heat exchange assembly is axially used for air inlet and laterally used for air outlet. The two housings 300 are located at positions corresponding to the axial sides of the fan structure 100, and are located on the housings 300 on both sides of the rotation surface of the fan structure 100. The position of the air inlet 302 may be determined according to the specific structure of the fan structure 100.

In the embodiment of the present disclosure, the fan structure 100 is disposed on the housing 300 in any manner, as long as it can realize a rotation function. In some embodiments, as shown in fig. 5, the fan structure 100 further includes a motor 130 disposed on the housing 300, and an output shaft of the motor 130 is connected to the hub 110 to drive the fan structure 100 to rotate. In this embodiment, the output shaft of the motor 130 coincides with the axial direction of the fan structure 100. The intake vent 302 may be disposed on the housing 300 on the same side as the motor 130, or may be disposed on the housing 300 on the opposite side as the motor 130, or of course, may be disposed on both the housing 300 on the same side and the opposite side of the motor 130. The relative position relationship between the air inlet 302 and the air outlet 301 can be determined according to the environment of the heat exchange assembly and the specific structure of the fan structure 100, and further the specific setting mode can be determined.

In this embodiment, the hub 110 has a socket part having a shape identical to that of the output shaft of the motor 130, so that the hub 110 can be disposed on the output shaft of the motor 130. The hub 110 can rotate along with the rotation of the output shaft of the motor 130, and further drives the fan blade set 120 thereon to rotate, so as to drive the airflow to flow in the axial direction of the fan structure 100, and flow through the heat exchanger, and then flow out in the radial direction of the fan structure 100.

Alternatively, as shown in FIG. 6, the heat exchanger 200 is a ring heat exchanger that surrounds the intake vent 302 and is fixedly disposed on the inner wall of the housing 300 around the intake vent 302.

Alternatively, as shown in fig. 4 and 6, the heat exchanger 200 is fixedly disposed by a plurality of fixing brackets 203.

In some embodiments, as shown in conjunction with fig. 2-8, the enclosure 300 includes a first housing 310 and a second housing 320. The first housing 310 is disposed opposite to the second housing 320; the inner side surface of the first housing 310 is provided with a motor 130, and an output shaft of the motor 130 is connected to the hub 110 of the fan structure 100. The inner side surface of the second shell 320 is provided with a heat exchanger 200; and the heat exchanger 200 is placed in the annular space 101 of the fan structure 100. An air outlet 301 is arranged on the side surface between the first shell 310 and the second shell 320; the first housing 310 and/or the second housing 320 are provided with the intake vent 302. In this embodiment, the first housing 310, the fan structure 100 and the motor 130 are connected to form a fan module, and the second housing 320 and the heat exchanger 200 are connected to form a heat exchanger module. As shown in fig. 4, the heat exchange assembly is exploded into a structural schematic diagram of the fan module and the heat exchanger module, and the heat exchanger 200 is extended into the annular space 101 of the fan structure 100 by setting the relative positions of the first casing 310 and the second casing 310.

Of course, the intake vent 302 may also be disposed on the first housing 310. Then, the air inlet 302 is disposed on the same side as the motor 130, so that the installation position of the motor 130 can be set aside when the air inlet is disposed, and the air inlet is set as an annular air inlet. Or, normally set up the air intake (as the air intake shown in fig. 7), erect the motor in air intake department through motor fixed bolster, can give out the air intake, guarantee the air inlet can. And is not limited.

Alternatively, as shown in fig. 4 and 6, the heat exchanger 200 is fixedly disposed around the intake vent 302 of the second housing 320 by a plurality of fixing brackets 203.

Alternatively, as shown in fig. 21, the housing 300, further comprising a sandwich plate 340, is disposed on the inner wall of the housing 300. The sandwich plate 340 is provided with a first connection structure 3400 for connection with the heat exchanger 200. By additionally arranging the sandwich plate 340 in the housing 300 and arranging the heat exchanger 200 in the housing 300 through the sandwich plate 340, the heat exchanger 200 can be prevented from being directly arranged on the inner wall of the housing 300. When the connection position of the heat exchanger 200 and the shell 300 is located below the heat exchanger 200 and the connection structure (for example, the connection structure 220 described below) of the two is such that there is a through assembly gap on the shell 300, leakage of condensed water generated on the heat exchanger 200 can be effectively avoided by the arrangement of the sandwich plate 340.

Alternatively, as shown in fig. 21, a sandwich plate 340 is provided on the second housing 320.

Optionally, the sandwich plate 340 is ring shaped, conforming to the ring shape of the heat exchanger 200.

In the embodiment of the present disclosure, the heat exchanger 200 may be provided with a second connection structure, which is connected to the first connection structure 3400, so that the heat exchanger 200 is disposed in the housing 300.

Optionally, the first connecting structure 3400 disposed on the sandwich plate 340 is a limiting hole, and the second connecting structure of the heat exchanger 200 is an end seat 2211 of the connecting rod 221. During assembly, the end seat 2211 of the connecting rod 221 is clamped into the limiting hole and falls into a space between the sandwich plate 340 and the shell 300, and the end seat 2211 is clamped and positioned (see the annular plate heat exchanger described below).

Optionally, as shown in fig. 8, a filter screen 321 is disposed on the air inlet 302. For filtering foreign matters in the air.

Alternatively, the first housing 310 comprises a first sheet-like housing, and the second housing 320 comprises a second sheet-like housing; the housing 300 further includes a housing support frame 330 disposed between the edge of the first sheet-shaped housing and the edge of the second sheet-shaped housing, so that the first sheet-shaped housing and the second sheet-shaped housing are relatively fixed. An air outlet 301 is formed in the circumferential direction between the first sheet-shaped shell and the second sheet-shaped shell. In this embodiment, the first casing 310 and the second casing 320 are not limited to be sheet-shaped, and may be an open box with a certain depth, the two casings are fastened to form an outer casing, and an air outlet is disposed on a side surface of the fastened casing. The structure of the housing support bracket 330 is not limited.

Alternatively, as shown in fig. 2 to 4, the edge of the first sheet-like casing is inclined toward the second sheet-like casing side, and the edge of the second sheet-like casing is inclined toward the first sheet-like casing side. The air-out is folded to a certain extent.

Alternatively, the motor 130 is disposed on one side of the first housing 310 through the motor holder 131. Facilitating assembly of the motor 130.

Optionally, the first housing 310 is provided with a mounting hole 311, and the motor holder 131 is disposed in the mounting hole 311 of the first housing 310. The maintenance operations such as the dismouting and the maintenance of convenient motor.

In the embodiment of the present disclosure, the structural form of the air outlet 301 of the housing 300 is not limited. Alternatively, the air outlets 301 are uniformly distributed on the casing 300 corresponding to the radial side of the fan structure 100. The entire circumference of the housing 300 may be ventilated. Alternatively, the air outlet 301 is provided on a portion of the housing 300 corresponding to a radial side of the fan structure 100. Air is blown in one set direction of the housing 300. The setting is carried out according to actual requirements.

In the embodiment of the present disclosure, the connection structure between the hub 110 and the vane group 120 is not limited. As long as the fan blade set 120 can be driven to rotate.

In some embodiments, as shown in fig. 9 and 12, the hub 110 is connected to the fan blade set 120 by a disk 140. The disk 140 is a solid disk.

Alternatively, the hub 110 is formed directly at the center of one side disc surface of the disc 140; the fan blade group 120 is disposed on an edge portion of the disk surface of the disk 140. The fan blade sets 120 may be on the same side of the hub 110, may be on different sides, or may be evenly distributed on two sides of the hub 110. The determination is carried out according to actual conditions.

Alternatively, as shown in fig. 9 and 12, the hub 110 is convexly formed at the center of the first side plate surface of the solid disk 140, and the fan blade group 120 is provided at the edge portion of the first side plate surface of the solid disk 140. The cross-section of the fan structure 100 is in a shape of Chinese character shan. The motor 130 is disposed on the second side plate surface of the solid disc 140, the first housing 310 is disposed on the second side plate surface of the solid disc 140, the second housing 320 is disposed on the first side plate surface of the solid disc 140, the air inlet 302 is disposed on the second housing 320, and the heat exchanger 200 is enclosed around the air inlet 302 and is fixedly disposed on the inner side wall of the second housing 320.

Of course, alternatively, the fan blade set 120 may be disposed on an edge portion (not shown) of the second side surface of the disk 140. At this time, the air inlet 302 is disposed on the first housing 310, and the motor 130 may be disposed on the first housing 310 through the motor fixing bracket to leave the air inlet 302. The specific arrangement of the motor 130 is not limited as long as the air inlet 302 is left.

In the embodiment of the present disclosure, the heat exchanger 200 is disposed in the annular space 101 of the fan structure 100, and the heat exchanger 200 is not in contact with the fan structure 100, so that the rotation of the fan structure 100 can be ensured. Then, there is a gap between the end 201 of the heat exchanger 200 and the bottom surface of the annular space 101 (e.g., the disk surface of the disk 140), which ensures that the fan structure 100 does not rub against the end surface of the end of the heat exchanger 200 when rotating.

In some embodiments, a ring groove (not shown) is provided on the disk surface of the disk 140 on the side of the heat exchanger 200, and the end of the extending end 201 of the heat exchanger 200 can enter into the ring groove; and the end of the extending end 201 and the ring groove can move relatively. The gap between the end 201 of the heat exchanger 200 and the solid disk 140 is filled to further increase the amount of air passing through the heat exchanger 200.

In some embodiments, fan blade set 120 includes a plurality of annular fan blades arranged in layers; alternatively, the fan blade group 120 includes a plurality of blades arranged in a ring shape.

Alternatively, as shown in fig. 9 and 10, in the first fan structure, the fan blade set 120 includes a plurality of annular fan blades, and the plurality of annular fan blades are parallel at a set interval and are coaxially disposed with the hub 110. The first fan structure is a laminar flow fan structure. Optionally, a plurality of guide vanes 121 are relatively fixedly arranged between the plurality of annular fan blades, and the guide vanes 121 can support and improve the wind pressure. The guide vanes 121 are arc-shaped. The number of the guide vanes 121 is not limited, and is, for example, 7. Fig. 10 is a schematic top view of the ring fan blades shown in fig. 9 with the upper portions cut away.

Alternatively, as shown in fig. 11 and 12, in the second fan structure, the blade group 120 includes a plurality of blades 122, and the plurality of blades 122 are annularly disposed around the hub 110. Then, the second fan structure 100 is a centrifugal fan structure. The vanes 122 are arcuate. The number of the blades 122 is not limited, for example, 9.

In some embodiments, as shown in fig. 13, a heat exchanger 200, includes one or more annular plate heat exchange structures 210; when the heat exchanger 200 comprises a plurality of annular plate heat exchange structures 210, the plurality of annular plate heat exchange structures 210 are arranged in a stack at set intervals. The heat exchanger 200 of the present embodiment forms an annular plate heat exchanger, and the hollow 202 in the middle of the annular plate heat exchanger is provided with the hub 110 of the fan structure 100, so that the annular plate heat exchanger and the fan structure 100 are coaxially disposed. By adopting the annular plate type heat exchanger disclosed by the embodiment of the disclosure, the outlet air passing through the heat exchanger radially flows out along the layers of the heat exchanger and enters the fan structure 100, so that the resistance of the air flowing through the heat exchanger can be reduced, the generation of abnormal sound is further prevented, and the noise is reduced. When the fan structure 100 adopts the laminar flow fan structure shown in fig. 9, the surface of the annular plate heat exchange structure 210 of the heat exchanger 200 is parallel to the annular fan blades of the laminar flow fan structure, so that airflow resistance, impact abnormal sound and the like when airflow enters the fan structure 100 can be reduced, noise is reduced, and user experience is further improved.

In the embodiment of the present disclosure, the annular shape of the annular plate heat exchange structure 210 is not limited, as long as it is annular and has a hollow structure in the middle.

In some embodiments, as shown in fig. 13, the annular plate heat exchange structure 210 is circular at the central opening 202. Can be matched with the shape of the fan structure, so that the air flow can enter the heat exchanger 200 more smoothly. The outer contour shape of the annular plate heat exchange structure 210 is adapted to the shape of the annular space 101 of the fan structure 100. Optionally, the outer profile of the annular plate heat exchange structure 210 is circular, square or diamond.

In some embodiments, the heat exchanger 200 further comprises a connection structure 220 configured to allow a plurality of annular plate heat exchange structures 210 to be stacked at a set interval.

Optionally, as shown in fig. 14, the connection structure 220 includes a connection rod 221 and a support gasket 222, the connection rod 221 is sleeved with a plurality of annular plate type heat exchange structures 210, and the support gasket 222 is sleeved on the connection rod 221 between two adjacent annular plate type heat exchange structures 210. A plurality of connecting rods 221 distributed and arranged on the outer side of the heat exchanger 200; one or more supporting spacers 222 may be sleeved on each connecting rod 221, so that the plurality of annular plate heat exchange structures 210 are stacked at a set interval, and the height of the supporting spacers 222 is consistent with the set interval. That is, after one annular plate type heat exchange structure 210 is sleeved on the connecting rod 221, the supporting gasket 222 is sleeved on the connecting rod 221, then the second annular plate type heat exchange structure 210 is sleeved on the connecting rod 221, and so on, the annular plate type heat exchange structure 210 and the supporting gasket 222 are sequentially sleeved on the connecting rod 221, and the heat exchanger 200 including the plurality of annular plate type heat exchange structures 210 is obtained.

In the embodiment of the present disclosure, the thickness of the supporting spacer 222 is the same, that is, the set interval between two adjacent annular plate heat exchange structures 210 is the same. The number of the supporting spacers 222 is not limited, and may be determined according to the number of the annular plate type heat exchange structures 210. As shown in fig. 13 and 14, the number of the annular plate type heat exchange structures 210 is 4, the number of the support spacers 222 is 5, and one annular plate type heat exchange structure 210 is arranged between two adjacent support spacers 222.

Alternatively, as shown in fig. 15, one end of the connecting rod 221 is provided with an end seat 2211; the other end is provided with external threads 2212 for connection with a nut. The annular plate type heat exchange structures 210 are fixedly arranged, and the fixing mode is convenient and simple. In this embodiment, the end seat 2211 can prevent the annular plate heat exchange structure 210 from coming off from one end of the connecting rod 221.

In the embodiment of the present disclosure, the number of the connection structures 220 is not limited, so that the plurality of annular plate type heat exchange structures 210 may be stably disposed.

When the connecting structure 220 according to the embodiment of the present disclosure is used, the annular plate heat exchanging structure 210 is provided with a fixing hole, for example, a plurality of fixing holes are provided at an outer side portion of the annular plate heat exchanging structure 210. Is sleeved on the connecting rod 221 through a fixing hole.

Of course, the connection structure 220 is not limited to the specific structure described above, and other specific structural forms may be adopted, which enable the plurality of annular plate type heat exchange structures 210 to be stacked at a set interval.

In some embodiments, the heat exchange assembly further includes a water pan structure 350 disposed on the corresponding housing 300 below the heat exchanger 200. According to the actual application, the water pan structure 350 is disposed below the heat exchanger 200 according to the installation angle of the heat exchanger 200.

Optionally, the water-receiving tray structure 350 is disposed on the second housing 320. The water pan structure 350 is annular and is adapted to the heat exchanger 200. In practical applications, when the second casing 320 is horizontally disposed below the water receiving tray structure 350, the water receiving tray structure is disposed on the second casing 320, so as to effectively collect the condensed water flowing down from the heat exchanger 200.

Optionally, a drain hole 3500 is provided on the drip tray structure 350. So as to facilitate the drainage of the condensed water generated at the heat exchanger 200.

Optionally, the catch pan structure 350 is located below the sandwich plate 340. To collect the condensed water flowing down via the connection structure 220.

In some embodiments, as shown in fig. 13, the annular plate heat exchange structure 210 includes a heat dissipation plate 211 and a refrigerant pipe 212, the heat dissipation plate 211 is annular, and the refrigerant pipe 212 is disposed on the heat dissipation plate 211 according to a predetermined layout. The refrigerant flows into the refrigerant pipe 212 and is radiated by the radiation plate 211. In the embodiment of the disclosure, the refrigerant pipeline 212 is disposed on the heat dissipation plate 211, and may be disposed on a side surface of the heat dissipation plate 211, or may be disposed on both side surfaces of the heat dissipation plate 211.

Alternatively, as shown in fig. 16 and 17, the refrigerant pipe 212 is embedded in the heat dissipation plate body 211, so that a part of the refrigerant pipe 212 protrudes from both side surfaces of the heat dissipation plate body 211. The heat exchange area and the heat exchange efficiency are improved.

Alternatively, the refrigerant pipes 212 are respectively disposed on two side surfaces of the heat dissipation plate body 211. The heat exchange area and the heat exchange efficiency are improved. Alternatively, the refrigerant pipes 212 on the two side surfaces are arranged in a staggered manner.

In the embodiment of the present disclosure, when the refrigerant pipes 212 are disposed on the two side surfaces of the heat dissipation plate body 211, the two opposite side walls of the airflow channel 204 formed by two adjacent annular plate type heat exchange structures 210 are provided with the protruding refrigerant pipes 212. As shown in fig. 16, when the protruded refrigerant pipes 212 are opposite to each other, the air flow channel is narrowed, so that the whole air flow channel forms a "wide-narrow-wide" structure, which has a certain influence on the air flow, in fig. 16, a "double arrow" is a wide air flow channel, and a single arrow is a narrow air flow channel.

In some embodiments, as shown in fig. 17 and 19, the heat exchanger 200 includes a plurality of annular plate heat exchange structures 210, and the refrigerant pipes 212 on two opposite sides in the air flow channel 204 between adjacent annular plate heat exchange structures 210 are staggered. The width of the airflow channel 204 between adjacent annular plate type heat exchange structures 210 tends to be uniform, so that the airflow path is smoother, and the heat exchange is more uniform.

Alternatively, as shown in fig. 19, in the axial direction of the heat exchanger 200, the refrigerant pipe 212 on one annular plate heat exchange structure 210 (defined as the first annular plate heat exchange structure 2101) is located between two adjacent refrigerant pipes 212 on the other adjacent annular plate heat exchange structure 210 (defined as the second annular plate heat exchange structure 2102) in two adjacent annular plate heat exchange structures 210.

Alternatively, as shown in fig. 17, the staggered distance d of the refrigerant pipes 212 on two adjacent annular plate heat exchange structures 210 is one half of the distance L between two refrigerant pipes 212. The width of the airflow channel between two adjacent annular plate type heat exchange structures 210 is uniform, so that the airflow channel is smoother, and the heat exchange is more uniform.

In the embodiment of the present disclosure, the layout of the refrigerant pipes 212 of the annular plate heat exchange structure 210 on the heat dissipation plate 211 is not limited, so as to extend the length of the refrigerant pipes 212 as much as possible within a certain area, and ensure the heat exchange area.

In some embodiments, as shown in fig. 18, the refrigerant pipes 212 include an annular pipe 2121 and a radial pipe 2122, which are connected to each other, the annular pipe 2121 is disposed along an annular direction of the annular plate heat exchanging structure 210, and the radial pipe 2122 is disposed along a radial direction of the annular plate heat exchanging structure 210. The annular conduit 2121 and the radial conduits 2122 are in a plurality, each of which communicates with each of the annular conduits 2121.

Alternatively, as shown in fig. 19, the annular pipes 2121 at two opposite sides in the air flow channel 204 between the adjacent annular plate type heat exchange structures 210 are staggered.

Optionally, as shown in fig. 18, the refrigerant pipe 212 further includes a liquid inlet pipe 2123 and a liquid outlet pipe 2124, the liquid inlet pipe 2123 is semi-annular, and the liquid outlet pipe 2124 is semi-annular; the liquid inlet pipe 2123 is disposed opposite to the liquid outlet pipe 2124. The radial pipe 2122 on one half of the ring side of the annular plate heat exchange structure 210 is communicated with the liquid inlet pipe 2123, and the radial pipe 2122 on the other half of the ring side is communicated with the liquid outlet pipe 2124.

Alternatively, as shown in fig. 18, the inlet pipe 2123 and the outlet pipe 2124 are located on the same side.

Alternatively, as shown in fig. 18, the inlet conduit 2123 includes a first branch conduit and a second branch conduit, each of which is semi-circular (e.g., semicircular) and is arranged in parallel. The end parts of the first branch pipeline and the second branch pipeline on one side are communicated, the end parts of the first branch pipeline and the second branch pipeline are positioned in the two branch pipelines on the other side, the end part of the first branch pipeline is communicated with the radial pipeline 2122, and the end part of the second branch pipeline is used as a liquid inlet end. Also, the structure of the liquid outlet pipe is identical to that of the liquid inlet pipe 2123.

Optionally, the liquid inlet conduit 2123 and the liquid outlet conduit 2124 are located inside the annular plate heat exchange structure 210.

Of course, the setting layout of the refrigerant pipes 212 is not limited to the setting layout shown in fig. 18, and other layouts may also be applied to the annular plate heat exchange structure 210 according to the embodiment of the present disclosure.

In some embodiments, the annular plate heat exchange structure 210 employs annular blown plate heat exchange fins. Of course, the heat exchange structure adopted by the annular plate type heat exchange structure 210 is not limited to the annular blown plate type heat exchange fins, and other plate type heat exchange structures can also be applied to the heat exchanger 200 of the embodiment of the present disclosure. Alternatively, the annular blowing plate type heat exchanger plate adopts the set layout of the refrigerant pipelines 212 as shown in fig. 18.

In the embodiment of the present disclosure, in the plurality of annular plate type heat exchange structures 210 arranged in a stacked manner, the set interval between two adjacent annular plate type heat exchange structures 210 is 1mm to 10 mm. The set interval refers to an interval between plate-type bodies of the annular plate-type heat exchange structure, for example, an interval between the heat dissipation plate bodies 211. Through setting for the spaced setting, when reducing the windage, still can guarantee the flow time of air in airflow channel, guarantee the heat transfer effect.

Alternatively, the interval is set to 2mm to 8 mm. Alternatively, the interval is set to 3mm to 6 mm. Alternatively, the set interval is 4 mm.

In some embodiments, as shown in FIG. 3, the heat exchanger 200 further includes a baffle 360 disposed on the intake vent 302. The air guide effect is achieved, the air flow can enter from the first air inlet more smoothly, and the air quantity loss is reduced.

In some embodiments, as shown in fig. 18 and 20, the heat exchanger 200 further includes a longitudinal vortex generator 370, which is disposed on the plate body of the annular plate type heat exchange structure 210 along the radial direction of the heat exchanger 200. After the longitudinal vortex generator 370 is arranged, the heat exchange performance of the heat exchanger is greatly improved and can be improved by nearly one time, so that the required area of the heat exchanger can be reduced under the requirement of the same heat exchange amount, the size of the heat exchanger can be further reduced, and the assembly adaptability is improved. The provision of the longitudinal vortex generators 370 may also facilitate the collection and drainage of condensate on the heat exchanger 200.

Alternatively, as shown in FIG. 20, the longitudinal vortex generators 370 are hollow cones. Optionally, the hollow cone has an opening towards the windward side of the heat exchanger 200. The vortex generation of the air flow is improved, and the heat exchange efficiency is improved.

In the embodiment of the present disclosure, the structure of the longitudinal vortex generator 370 is not limited as long as it functions to increase the vortex. The hollow cone may be a triangular pyramid, a rectangular pyramid, or the like.

In some embodiments, the fan structure 100 is a laminar flow fan structure; the ring-shaped blades of the laminar flow fan structure are disposed flush with or staggered from the ring-shaped plate heat exchange structure 210 of the heat exchanger 200 (the aforementioned ring-shaped plate heat exchanger).

Optionally, the annular fan blades of the laminar flow fan structure are flush with the annular plate heat exchange structure 210 of the heat exchanger 200. That is, the air channel of the laminar flow fan structure is flush and butted with the air flow channel of the heat exchanger 200, the air flow is smooth, and no abnormal sound exists in the air outlet direction of the laminar flow fan structure. Moreover, the collision between the annular fan blade of the laminar flow fan structure and the annular plate type heat exchange structure 210 can be effectively prevented, and the damage of the heat exchange assembly is avoided.

Optionally, the annular fan blades of the laminar flow fan structure are staggered from the annular plate heat exchange structure 210 of the heat exchanger 200. That is, the inner edges of the annular fan blades of the laminar flow fan structure are located between the adjacent annular plate heat exchange structures 210 of the heat exchanger 200. That is, one laminar air channel of the laminar flow fan structure is branched into two adjacent air flow channels of the heat exchanger 200. The contact of air with the annular plate type heat exchange structure 210 can be increased, and the heat exchange effect is improved.

Alternatively, when the annular fan blades of the laminar flow fan structure are disposed in a staggered manner with respect to the annular plate heat exchange structure 210 of the heat exchanger 200, the outer side edge of the annular plate heat exchange structure 210 of the heat exchanger 200 overlaps the inner side edge of the annular fan blades of the laminar flow fan structure. The contact between the air and the annular plate type heat exchange structure 210 can be increased, the heat exchange effect is improved, and meanwhile, the overlapped space between the fan structure 100 and the heat exchanger 200 can be effectively utilized, so that the size of the whole heat exchange assembly is reduced. By adopting the staggered and overlapped structure of the embodiment, the laminar flow fan can be larger than the side-by-side structure under the same whole machine size, so that the air supply performance is improved. Wherein, the side-by-side structure refers to the flush arrangement and the staggered but non-overlapping arrangement.

The embodiment of the disclosure provides an air conditioning system, including aforementioned heat exchange assembly.

The air conditioning system adopting the heat exchange assembly disclosed by the embodiment of the disclosure can effectively reduce noise and improve user experience. Moreover, the heat exchange assembly is more compact in structure and more convenient to apply to an air conditioning system.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. A heat exchange assembly, comprising:

the fan structure comprises a hub and a fan blade group, wherein the fan blade group is connected with the hub; and an annular space is formed between the fan blade group and the hub in the radial direction of the hub;

a heat exchanger positionable within the annular space.

2. The heat exchange assembly of claim 1, further comprising:

the fan structure is arranged in the shell, and an air outlet is formed in the shell corresponding to the radial air outlet side of the fan structure; an air inlet is formed in the shell corresponding to the axial side of the fan structure; the heat exchanger is arranged in the shell around the air inlet, and the heat exchanger is arranged in an annular space of the fan structure; the air is discharged from the air outlet after sequentially passing through the heat exchanger and the fan blade group after entering from the air inlet.

3. The heat exchange assembly of claim 2, wherein the fan structure further comprises:

the motor is arranged on the shell; and the output shaft of the fan is connected with the hub to drive the fan structure to rotate.

4. A heat exchange assembly in accordance with claim 3, wherein said housing comprises: the first shell and the second shell are relatively fixedly arranged;

the motor is arranged on the inner side surface of the first shell, the heat exchanger is arranged on the inner side surface of the second shell, and the heat exchanger is arranged in the annular space of the fan structure;

an air outlet is formed in the side surface between the first shell and the second shell; and the first shell and/or the second shell are/is provided with an air inlet.

5. The heat exchange assembly of claim 4, wherein the first housing comprises a first sheet-like housing and the second housing comprises a second sheet-like housing; the shell, still include:

and the shell support frame is arranged between the edge of the first flaky shell and the edge of the second flaky shell, so that the first flaky shell and the second flaky shell are relatively fixedly arranged.

6. The heat exchange assembly of any one of claims 1 to 5, wherein the fan structure further comprises:

and the hub is connected with the fan blade group through the disc.

7. The heat exchange assembly of claim 6,

an annular groove is formed in the disc surface of the disc positioned on the side of the heat exchanger, and the end part of the extending end of the heat exchanger can enter the annular groove; and the end part of the extending end and the ring groove can move relatively.

8. The heat exchange assembly of any one of claims 1 to 5,

the fan blade group comprises a plurality of annular fan blades which are parallel at set intervals and are coaxially arranged with the hub; alternatively, the first and second electrodes may be,

the fan blade group comprises a plurality of blades, and the blades are annularly arranged by taking the hub as an axis.

9. A heat exchange assembly according to any one of claims 1 to 5, wherein the heat exchanger is annular.

10. An air conditioning system comprising a heat exchange assembly according to any one of claims 1 to 9.

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