CN212431313U - Heat exchanger - Google Patents

Abstract

The application relates to the technical field of air conditioning, and discloses a heat exchanger which comprises a heat exchanger body and a heat exchange structure, wherein the heat exchange structure comprises one or more annular plate type heat exchange structures; when the heat exchanger body comprises a plurality of annular plate type heat exchange structures, the plurality of annular plate type heat exchange structures are arranged in a stacking mode at set intervals; the hollow-out department in the middle part of heat exchanger body can set up fan unit. By adopting the heat exchanger provided by the embodiment of the disclosure, the hollow part in the middle can be provided with the fan device, the radial air outlet of the fan device can directly enter the heat exchanger body, the radial air outlet direction of the fan device is parallel to the surface of the plate type heat exchange structure of the heat exchanger body, the air flow flowing out from the fan device cannot impact the heat exchanger, the wind resistance is reduced, meanwhile, the formation of abnormal sound can be avoided, the noise is reduced, and the user experience is improved.

Description

Heat exchanger

Technical Field

The application relates to the technical field of air conditioning, for example to a heat exchanger.

Background

Currently, in an air conditioning system, such as an air conditioner, a heat exchanger is generally disposed on the air outlet side of a fan device. For example, when the fan device adopts an axial flow fan, the axial flow fan supplies air in the axial direction and discharges air in the peripheral direction, and the heat exchanger is arranged on the periphery of the fan. The existing heat exchanger generally adopts a tube-fin heat exchanger, the fin space of the tube-fin heat exchanger is small, when the tube-fin heat exchanger is positioned at the periphery of the air outlet side of a fan device, a certain included angle exists between the direction of airflow blown out from the fan device and the direction of an air outlet of the fin, and the airflow is easy to generate noise when blowing onto the heat exchanger.

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: in the existing air conditioning system, noise is easily generated when air flow blows to the heat exchanger, and the use experience of a user is reduced.

SUMMERY OF THE UTILITY MODEL

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 exchanger to solve among the current air conditioning system, produce the noise easily when the air current blows to the heat exchanger, reduce the problem that the user used and experienced.

In some embodiments, the heat exchanger comprises:

a heat exchanger body comprising one or more annular plate heat exchange structures; when the heat exchanger body comprises a plurality of annular plate type heat exchange structures, the plurality of annular plate type heat exchange structures are arranged in a stacking mode at set intervals; the hollow-out department in the middle part of heat exchanger body can set up fan unit.

The heat exchanger provided by the embodiment of the disclosure can realize the following technical effects:

by adopting the heat exchanger provided by the embodiment of the disclosure, the hollow part (inner part) in the middle of the heat exchanger can be provided with the fan device, then the radial air outlet of the fan device can directly enter the heat exchanger body, and the radial air outlet direction of the fan device is parallel to the surface of the plate type heat exchange structure of the heat exchanger body, so that the air flow flowing out from the fan device can not impact the heat exchanger provided by the embodiment of the disclosure, the wind resistance is reduced, meanwhile, the formation of abnormal sound can be avoided, the noise is reduced, and the user experience is improved.

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 exchanger provided in an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a connection structure of a heat exchanger according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a connecting rod according to an embodiment of the present disclosure;

FIG. 4 is a schematic view of an assembly structure of a heat exchanger according to an embodiment of the present disclosure;

FIG. 5 is a schematic diagram of an airflow channel of a heat exchanger according to an embodiment of the present disclosure;

FIG. 6 is a schematic diagram of an airflow channel of another heat exchanger provided by an embodiment of the present disclosure;

FIG. 7 is a schematic structural diagram of another heat exchanger provided by the disclosed embodiment;

FIG. 8 is a schematic partial structural view of another heat exchanger provided in accordance with an embodiment of the present disclosure;

FIG. 9 is a schematic view of a portion of another heat exchanger provided in accordance with an embodiment of the present disclosure;

FIG. 10 is a schematic structural diagram of another heat exchanger provided by the disclosed embodiment;

FIG. 11 is a schematic cross-sectional view of another heat exchanger provided by an embodiment of the present disclosure;

fig. 12 is a schematic structural diagram of a second housing provided in the embodiment of the present disclosure;

FIG. 13 is a schematic structural view of a heat exchange assembly provided by an embodiment of the present disclosure;

FIG. 14 is an exploded view of a fan assembly of a heat exchange assembly according to an embodiment of the present disclosure;

fig. 15 is a schematic structural diagram of another heat exchange assembly provided by the embodiment of the disclosure.

Reference numerals:

100. a heat exchanger body; 101. the middle part is hollowed out; 102. an air flow channel; 110. an annular plate heat exchange structure; 1101. a first annular plate heat exchange structure; 1102. a second annular plate type heat exchange structure; 111. a heat dissipating plate body; 112. a refrigerant pipe; 1121. an annular duct; 1122. a radial conduit; 1123. a liquid inlet pipeline; 1124. a liquid outlet pipeline; 120. a connecting structure; 121. a connecting rod; 1211. an end seat; 1212. an external thread; 122. a support pad; 130. a housing; 1301. a first tuyere; 1302. a second tuyere; 131. a first housing; 1310. a motor mounting position; 132. a second housing; 133. a housing support frame; 134. a sandwich panel; 1340. a first connecting structure; 135. a water pan structure; 1350. a drain hole; 136. a pod; 140. a longitudinal vortex generator; 200. a fan device; 210. a laminar flow fan; 220. an electric motor.

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 12, an embodiment of the present disclosure provides a heat exchanger, which includes a heat exchanger body 100. The heat exchanger body 100 comprises one or more annular plate heat exchange structures 110. When the heat exchanger body 100 includes a plurality of annular plate heat exchange structures 110, the plurality of annular plate heat exchange structures 110 are arranged in a stack at set intervals. A fan device can be arranged at the hollow part 101 in the middle of the heat exchanger body 100.

By adopting the heat exchanger provided by the embodiment of the disclosure, the hollow part 101 in the middle part can be provided with the fan device, then the radial air outlet of the fan device can directly enter the heat exchanger body 100, and the radial air outlet direction of the fan device is parallel to the surface of the plate type heat exchange structure of the heat exchanger body 100, so that the air flow flowing out from the fan device can not impact the heat exchanger provided by the embodiment of the disclosure, the wind resistance is reduced, meanwhile, the formation of abnormal sound can be avoided, the noise is reduced, and the user experience is improved.

In the embodiment of the present disclosure, the fan device is an axial fan, for example, a centrifugal fan, or a laminar flow fan.

In the embodiment of the present disclosure, the annular shape of the annular plate heat exchange structure 110 is not limited as long as it is annular and has a hollow central portion.

In some embodiments, the central cutout of the annular plate heat exchange structure 110 is circular. Can be matched with the shape of the fan device, so that the air flow can enter the heat exchanger body 100 more smoothly. The outer contour shape of the annular plate heat exchange structure 110 is not limited, and may be determined according to the shape of the space to which it is fitted. Alternatively, the outer contour of the annular plate heat exchanging structure 110 is circular, square or diamond shaped.

In some embodiments, the heat exchanger body 100 further comprises a connecting structure 120 configured to allow a plurality of annular plate heat exchange structures 110 to be stacked at set intervals.

Optionally, as shown in fig. 2, the connecting structure 120 includes a connecting rod 121 and a supporting gasket 122, the connecting rod 121 is sleeved with a plurality of annular plate type heat exchange structures 110, and the supporting gasket 122 is sleeved on the connecting rod 121 between two adjacent annular plate type heat exchange structures 110. A plurality of connecting rods 121 are distributed and arranged at the outer side part of the heat exchanger body 100; one or more support spacers 122 may be sleeved on each connecting rod 121, so that the plurality of annular plate heat exchange structures 110 are stacked at a set interval, and the height of the support spacer 122 is consistent with the set interval. That is, as shown in fig. 4, after one annular plate type heat exchange structure 110 is sleeved on the connecting rod 121, the supporting gasket 122 is sleeved on the connecting rod 121, then the second annular plate type heat exchange structure 110 is sleeved on the connecting rod 121, and so on, the annular plate type heat exchange structure 110 and the supporting gasket 122 are sequentially sleeved on the connecting rod 121, and the heat exchanger body 100 including the plurality of annular plate type heat exchange structures 110 is obtained.

In the embodiment of the present disclosure, it is ensured that the thickness of the supporting pad 122 is the same, that is, the set interval between two adjacent annular plate type heat exchange structures 110 is the same. The number of the support spacers 122 is not limited, and may be determined according to the number of the annular plate heat exchange structures 110. As shown in fig. 1 and 2, the number of the annular plate type heat exchange structures 110 is 4, the number of the support pads 122 is 5, and one annular plate type heat exchange structure 110 is provided between two adjacent support pads 122.

Optionally, as shown in fig. 3, one end of the connecting rod 121 is provided with an end seat 1211; the other end is provided with external threads 1212 for connection with a nut. The annular plate type heat exchange structures 110 are fixedly arranged, and the fixing mode is convenient and simple. In this embodiment, the end seat 1211 can prevent the annular plate heat exchanging structure 110 from coming off from one end of the connecting rod 121.

In the embodiment of the present disclosure, the number of the connecting structures 120 is not limited, so that the plurality of annular plate type heat exchange structures 110 may be stably disposed.

When the connecting structure 120 of the embodiment of the present disclosure is used, the annular plate heat exchanging structure 110 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 110. Is sleeved on the connecting rod 121 through a fixing hole.

Of course, the connecting structure 120 is not limited to the specific structure described above, and other specific structural forms may be used to arrange a plurality of annular plate heat exchange structures 110 in a stacked manner at a predetermined interval.

In some embodiments, as shown in fig. 1, the annular plate heat exchange structure 110 includes a heat dissipation plate 111 and a refrigerant pipe 112, the heat dissipation plate 111 is annular, and the refrigerant pipe 112 is disposed on the heat dissipation plate 111 according to a predetermined layout. The refrigerant flows into the refrigerant pipe 112 and is radiated by the radiation plate 111. In the embodiment of the present disclosure, the refrigerant pipeline 112 is disposed on the heat dissipation plate 111, and may be disposed on one side surface of the heat dissipation plate 111, or may be disposed on both side surfaces of the heat dissipation plate 111.

Alternatively, as shown in fig. 5, the refrigerant pipe 112 is embedded in the heat dissipating plate 111, such that a portion of the refrigerant pipe 112 protrudes from both side surfaces of the heat dissipating plate 111. The heat exchange area and the heat exchange efficiency are improved.

Alternatively, the refrigerant pipes 112 are respectively disposed on two side surfaces of the heat dissipation plate 111. The heat exchange area and the heat exchange efficiency are improved. Alternatively, the refrigerant pipes 112 on the two side surfaces are arranged in a staggered manner.

In the embodiment of the present disclosure, when the refrigerant pipelines 112 are disposed on the two side surfaces of the heat dissipation plate 111, the two opposite side walls of the airflow channel 102 formed by two adjacent annular plate heat exchange structures 110 have the protruding refrigerant pipelines 112. As shown in fig. 5, when the protruded refrigerant pipes 112 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. 5, "double arrows" are wide air flow channels, and single arrows are narrow air flow channels.

In some embodiments, as shown in fig. 6 and 8, the heat exchanger body 100 includes a plurality of annular plate heat exchange structures 110, and the refrigerant conduits 112 at two opposite sides in the airflow channel 102 between adjacent annular plate heat exchange structures 110 are staggered. The width of the airflow channel 102 between adjacent annular plate heat exchange structures 110 tends to be uniform, so that the airflow path is smoother, and the heat exchange is more uniform.

Alternatively, as shown in fig. 8, in the axial direction of the heat exchanger body 100, the refrigerant conduit 112 of one annular plate heat exchange structure 110 (defined as a first annular plate heat exchange structure 1101) is located between two adjacent refrigerant conduits 112 of the other adjacent annular plate heat exchange structure 110 (defined as a second annular plate heat exchange structure 1102).

Alternatively, as shown in fig. 6, the staggered distance d of the refrigerant pipes 112 on two adjacent annular plate heat exchange structures 110 is one half of the distance L between two refrigerant pipes 112. The width of the airflow channel between two adjacent annular plate heat exchange structures 110 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 manner of the refrigerant pipes 112 of the annular plate heat exchange structure 110 on the heat dissipation plate 111 is not limited, and the length of the refrigerant pipes 112 is extended as much as possible within a certain area to ensure the heat exchange area.

In some embodiments, as shown in fig. 7, the refrigerant conduit 112 includes an annular conduit 1121 and a radial conduit 1122 which are communicated with each other, the annular conduit 1121 is disposed along an annular shape of the annular plate heat exchange structure 110, and the radial conduit 1122 is disposed along a radial direction of the annular plate heat exchange structure 110. The number of the annular conduits 1121 and the radial conduits 1122 is plural, and each radial conduit communicates with each annular conduit 1121.

Alternatively, as shown in fig. 8, the annular tubes 1121 at two opposite sides in the air flow channel 102 between the adjacent annular plate type heat exchange structures 110 are staggered.

Optionally, as shown in fig. 7, the refrigerant pipeline 112 further includes a liquid inlet pipeline 1123 and a liquid outlet pipeline 1124, where the liquid inlet pipeline 1123 is semi-annular, and the liquid outlet pipeline 1124 is semi-annular; the liquid inlet pipe 1123 is disposed opposite to the liquid outlet pipe 1124. The radial pipeline 1122 on one half ring side of the annular plate type heat exchange structure 110 is communicated with the liquid inlet pipeline 1123, and the radial pipeline 1122 on the other half ring side is communicated with the liquid outlet pipeline 1124.

Alternatively, as shown in fig. 7, the inlet pipe 1123 and the outlet pipe 1124 are located on the same side.

Alternatively, as shown in fig. 7, the inlet duct 1123 includes a first branch duct and a second branch duct, both of which are semi-annular (e.g., semicircular) and are arranged in parallel. The end parts of the first branch pipeline and the second branch pipeline on one side are communicated, and in the two branch pipelines on the other side, the end part of the first branch pipeline is communicated with the radial pipeline 1122, 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 1123.

Optionally, the inlet conduit 1123 and outlet conduit 1124 are located inside the annular plate heat exchange structure 110.

Of course, the setting layout of the refrigerant pipes 112 is not limited to the setting layout shown in fig. 7, and other layouts may also be applied to the annular plate heat exchange structure 110 according to the embodiment of the disclosure.

In some embodiments, the annular plate heat exchange structure 110 employs annular blown plate heat exchanger plates. Of course, the heat exchange structure adopted by the annular plate type heat exchange structure 110 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 body 100 of the embodiment of the present disclosure. Alternatively, the annular blowing plate type heat exchanger plate adopts the set layout of the refrigerant pipelines 112 as shown in fig. 7.

In the embodiment of the present disclosure, in the plurality of stacked annular plate heat exchange structures 110, a set interval between two adjacent annular plate heat exchange structures 110 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 111. 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. 10 to 12, the heat exchanger further includes a housing 130, and the heat exchanger body 100 is disposed in the housing 130. A first air port 1301 is arranged on the shell 130 which is in the axial direction of the heat exchanger body 100 and corresponds to the hollow part 101 in the middle; a second tuyere 1302 is provided on the casing 130 corresponding to the radial direction of the heat exchanger body 100. The shell 130 provides an air duct structure for the heat exchanger, so that air flows more orderly, and the heat exchange efficiency is improved. The heat exchanger body 100 is disposed on the air duct between the first air opening 1301 and the second air opening 1302, so as to ensure that air flows through the heat exchanger body 100.

In the embodiment of the present disclosure, the fan device is disposed at the hollow-out part 101 in the middle of the heat exchanger body 100, and the fan device adopts an axial fan, so that the first air port 1301 serves as an air inlet, the second air port 1302 serves as an air outlet, and the heat exchanger supplies air axially and outputs air circumferentially.

Optionally, the housing 130 includes a first housing 131 and a second housing 132, and the first housing 131 and the second housing 132 are fixedly disposed opposite to each other. A second air port 1302 is arranged between the first shell 131 and the second shell 132 in the circumferential direction, and a first air port 1301 is arranged on the first shell 131 and/or the second shell 132. Then, the radial direction of the heat exchanger body 100 is parallel to the first and second casings 131 and 132, the radial outer side of the heat exchanger body 100 faces the second air port 1302, and the middle hollow of the heat exchanger body 100 corresponds to the first air port 1301.

Optionally, a first air port 1301 is arranged on the second shell 132; the first housing 131 is provided with a motor mounting position, such as a motor fixing plate 1310 shown in fig. 10, for mounting the motor 220 of the fan apparatus 200. The axial air inlet and the circumferential air outlet can be realized. Of course, the motor mounting position may also be disposed on the second casing 132, the first air opening (the first air opening 1301 shown in fig. 12) is normally disposed on the second casing 132, and the motor mounting position is erected on the first air opening, so that the first air opening 1301 can ensure air intake.

Optionally, a filter screen (not shown) is disposed on the first air port 1301. For filtering foreign matters in the air.

Alternatively, the first housing 131 comprises a first sheet-like housing, and the second housing 132 comprises a second sheet-like housing; the housing 130 further includes a housing support 133 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. The circumferential direction between the first sheet-like casing and the second sheet-like casing is a second air opening 1302. In this embodiment, the first casing 131 and the second casing 132 are not limited to a sheet shape, and may be an open box with a certain depth, the two are fastened to form a housing, and the second air opening 1302 is disposed on the fastened side. The structure of the housing support bracket 133 is not limited.

Alternatively, the housing support bracket 133 employs the connecting rod 121 of the connecting structure 120 described above. Both ends of the connection rod 121 are respectively disposed on the housings 130, for example, both ends of the connection rod 121 are respectively disposed on the first and second housings 131 and 132.

Alternatively, as shown in fig. 10 and 11, 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.

In some embodiments, the housing 130, further comprising a sandwich plate 134, is disposed on an inner wall of the housing 130. The sandwich plate 134 is provided with a first connecting structure 1340 for connecting with the heat exchanger body 100. By additionally arranging the interlayer plate 134 in the shell 130 and arranging the heat exchanger body 100 in the shell 130 through the interlayer plate 134, the heat exchanger body 100 can be prevented from being directly arranged on the inner wall of the shell 130. When the connection position of the two is located below the heat exchanger body 100 and the connection structure 120 has a through assembly gap on the shell 130, the leakage of the condensed water generated on the heat exchanger body 100 can be effectively avoided by the arrangement of the sandwich plate.

Alternatively, as shown in fig. 12, a sandwich plate 134 is provided on the second case 132.

Optionally, the sandwich plate 134 is ring-shaped, conforming to the ring shape of the heat exchanger body 100.

In the embodiment of the disclosure, the heat exchanger body 100 may be provided with a second connecting structure, which is connected to the first connecting structure 1340, so that the heat exchanger body 100 is disposed in the casing 130.

In some embodiments, as shown in fig. 11, the heat exchanger body 100 includes a plurality of annular plate heat exchange structures 110, and when the plurality of annular plate heat exchange structures 110 are stacked at a set interval by the connection structure 120, both ends of the connection structure 120 are respectively disposed on the housing 130. The heat exchanger body 100 and the shell 130 are integrally assembled, so that the heat exchanger is compact in structure, reasonable in layout and applicable to more installation environments. In addition, an additional connecting structure is not required to be added, and the assembly is simple and effective.

Optionally, a sandwich plate 134 is disposed on the second shell 132; the connecting structure 120 is disposed on the sandwich plate 134 at one end and on the housing 130 at the other end.

Alternatively, as shown in fig. 11, the end seats 1211 of the connecting rod 121 of the connecting structure 120 are disposed on the sandwich plate 134; one end provided with an external thread penetrates the first housing 131. The nut is screwed on the external thread end, and the clamping connection of the sandwich plate 134 is limited, so that the heat exchanger body 100 is fixedly arranged on the shell 130.

Optionally, the first connecting structure 1340 disposed on the sandwich plate 134 is a limiting hole, and the second connecting structure of the heat exchanger body 100 is the end seat 1211 of the connecting rod 121. During assembly, the end seat 1211 of the connecting rod 121 is clamped into the limiting hole and falls into the space between the sandwich plate 134 and the shell 130, so that the end seat 1211 is clamped and limited.

In some embodiments, the heat exchanger further includes a water pan structure 135 disposed on the corresponding housing 130 below the heat exchanger body 100. According to the actual application, the water pan structure 135 is disposed below the heat exchanger body 100.

Optionally, the water pan structure 135 is disposed on the second housing 132. The water pan structure 135 is annular and is adapted to the heat exchanger body 100. In practical applications, when the second casing 132 is horizontally disposed below the water receiving tray structure 135, the water receiving tray structure 135 can effectively collect the condensed water flowing down from the heat exchanger body 100.

Optionally, a drain hole 1350 is provided on the drip tray structure 135. So as to facilitate the drainage of the condensed water generated on the heat exchanger body 100.

Optionally, the catch pan structure 135 is located below the sandwich plate 134. To collect the condensed water flowing down via the connection structure 120.

In some embodiments, the heat exchanger further comprises a flow guide sleeve 136 disposed on the first tuyere 1301. 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. 7 and 9, the heat exchanger further includes longitudinal vortex generators 140 disposed on the plates of the annular plate heat exchange structure 110 in a radial direction of the heat exchanger body 100. After the longitudinal vortex generator 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 140 may also facilitate the collection and drainage of condensate on the heat exchanger body 100.

Alternatively, as shown in FIG. 9, the longitudinal vortex generators 140 are hollow cones. Optionally, the hollow cone has an opening towards the windward side of the heat exchanger body 100. 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 140 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.

With reference to fig. 13 to 15, an embodiment of the present disclosure provides a heat exchange assembly, which includes the foregoing heat exchanger, and further includes a fan device 200. The fan device 200 is arranged at the hollow part 101 in the middle of the heat exchanger.

By adopting the heat exchange assembly of the embodiment of the disclosure, the radial air outlet of the fan device 200 can directly enter the heat exchanger 100, and the radial air outlet direction of the fan device 200 is parallel to the surface of the plate-type heat exchange structure of the heat exchanger 100, so that the air flow flowing out from the fan device 200 cannot impact the heat exchanger of the embodiment of the disclosure, thereby reducing the wind resistance, avoiding the formation of abnormal sound, reducing the noise and improving the user experience.

Alternatively, the fan apparatus 200 is mounted to the housing 130 by a motor. As shown in fig. 14, the laminar flow fan 210 is assembled to the first housing 131 by a motor 220.

Alternatively, as shown in fig. 15, the fan device 200 employs a centrifugal fan.

The embodiment of the disclosure also provides an air conditioning system, which comprises the 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 exchanger, comprising:

a heat exchanger body comprising one or more annular plate heat exchange structures; when the heat exchanger body comprises a plurality of annular plate type heat exchange structures, the plurality of annular plate type heat exchange structures are stacked at set intervals; and a fan device can be arranged at the hollow-out position in the middle of the heat exchanger body.

2. The heat exchanger of claim 1, wherein the heat exchanger body further comprises:

the connecting structure comprises a connecting rod and a supporting gasket; a plurality of annular plate type heat exchange structures are sleeved on the connecting rod; the supporting gasket is sleeved on the connecting rod between the two adjacent annular heat exchange structures.

3. The heat exchanger of claim 1,

the annular plate heat exchange structure includes:

the heat dissipation plate body is annular;

and the refrigerant pipelines are arranged on the heat dissipation plate body according to a set layout.

4. The heat exchanger of claim 3, wherein the heat exchanger body comprises a plurality of annular plate heat exchange structures, and the refrigerant pipelines on two opposite sides in the airflow channel between the adjacent annular plate heat exchange structures are staggered.

5. The heat exchanger according to any one of claims 1 to 4, wherein the annular plate heat exchange structure employs annular blown plate heat exchanger fins.

6. The heat exchanger according to any one of claims 1 to 4, wherein the set interval is 1mm to 10 mm.

7. The heat exchanger of any one of claims 1 to 4, further comprising:

a housing in which the heat exchanger body is disposed; a first air port is formed in the shell, which corresponds to the axial direction of the heat exchanger body and the hollow part in the middle part; and a second air port is arranged on the shell which radially corresponds to the heat exchanger body.

8. The heat exchanger of claim 7, wherein the housing further comprises:

the sandwich plate is arranged on the inner wall of the shell; the sandwich plate is provided with a first connecting structure for connecting with the heat exchanger body.

9. The heat exchanger of claim 7, further comprising:

and the water receiving disc structure is arranged on the shell corresponding to the lower part of the heat exchanger body.

10. The heat exchanger of any one of claims 1 to 4, further comprising:

and the longitudinal vortex generators are arranged on the plate body of the annular plate type heat exchange structure along the radial direction of the heat exchanger body.

Images