Heat exchange components, heat exchange equipment, energy storage devices and charging systems

Abstract

A heat exchange component (101), a heat exchange device, an energy storage device (10), and a charging system are disclosed, relating to the field of energy storage technology. The heat exchange component (101) includes a shell (110), a first heat exchanger (120), an airflow guiding mechanism (130), and a sound insulation cover (140). The shell (110) has a receiving cavity (1106). The shell (110) includes a first wall (1101) surrounding the receiving cavity (1106). A first vent (112) is provided on the first wall (1101). The first heat exchanger (120) is disposed in the receiving cavity. (1106) The first heat exchanger (120) is used for heat exchange with the external airflow; the airflow guiding mechanism (130) is used to guide the airflow through the first heat exchanger (120). The airflow guiding mechanism (130) is located at the first vent (112). The soundproof cover (140) is connected to the first wall (1101). The soundproof cover (140) and the first wall (1101) enclose a sound-absorbing cavity (111). The soundproof cover (140) includes a frame (141), which surrounds the first vent (112) and the airflow guiding mechanism (130). When the noise generated during the operation of the heat exchange component (101) propagates to the sound-absorbing cavity (111), it can be reduced by noise reduction treatment, thereby reducing the noise propagated outward by the heat exchange component (101) and improving the operating environment of the heat exchange component (101).

Description

Heat exchange assembly, heat exchange device, energy storage device and charging system TECHNICAL FIELD

[0001] The present application relates to the technical field of energy storage, and in particular to a heat exchange assembly, a heat exchange device, an energy storage device and a charging system. BACKGROUND

[0002] The part provided in this part is only background information related to the present application, which is not necessarily prior art.

[0003] The energy storage device can include a cabinet and a battery, which has a high energy density. The energy storage device can be equipped with a heat exchange device to regulate the temperature of the battery. When the heat exchange device is working, it has a large noise, which has a great influence on the working environment of the heat exchange device and the energy storage device.

[0004] SUMMARY

[0005] In view of the above problems, the present application provides a heat exchange assembly, an energy storage device and a charging system to at least alleviate the problem of large noise of the heat exchange device.

[0006] The first aspect of the present application provides a heat exchange assembly, comprising a shell, a first heat exchanger, an airflow guiding mechanism and a soundproof cover, the shell has a containing cavity, the shell comprises a first wall, the first wall surrounds the containing cavity, and the first wall is provided with a first ventilation opening; the first heat exchanger is arranged in the containing cavity, and is used for heat exchange with external airflow; the airflow guiding mechanism is used for guiding airflow to flow through the first heat exchanger, and is arranged at the first ventilation opening; the soundproof cover is arranged to connect the first wall and is located on the side of the first wall away from the containing cavity, the soundproof cover and the first wall surround to form a sound absorption cavity, and the soundproof cover comprises a surrounding frame, the surrounding frame is arranged around the first ventilation opening and the airflow guiding mechanism, and the surrounding frame surrounds the sound absorption cavity.

[0007] In the technical scheme of the present application, when the noise generated by the airflow guiding mechanism and other noise propagates to the sound absorption cavity during the operation of the heat exchange assembly, the noise can be processed in the sound absorption cavity. Specifically, the noise can be attenuated at least by the stopping and reflecting of the first wall and the surrounding frame, so as to reduce the noise propagated outward by the heat exchange assembly and improve the operating environment of the heat exchange assembly.

[0008] In addition, the heat exchange assembly according to the present application can also have the following additional technical features:

[0009] In some embodiments of the present application, the surrounding frame is sealingly connected with the first wall. By sealingly connecting the surrounding frame with the first wall, the sealing property of the sound absorption cavity can be improved, and the noise reduction effect of the sound absorption cavity can be improved.

[0010] In some embodiments of the present application, the frame is at least partially connected to the circumferential edge of the first wall. In this embodiment, the frame is at least partially connected to the circumferential edge of the first wall, which can increase the circumferential length of the frame, thereby increasing the reflection area of the frame for noise and improving the noise reduction effect.

[0011] In some embodiments of the present application, a plurality of first ventilation openings are provided on the first wall, and each of the plurality of first ventilation openings is provided with the airflow guiding mechanism, and the frame is arranged around the plurality of first ventilation openings and the plurality of airflow guiding mechanisms. The frame is arranged around the plurality of airflow guiding mechanisms, which has a simple structure, and the noise generated by the plurality of airflow guiding mechanisms can interfere with each other in the sound absorption cavity to reduce the noise, thereby improving the noise reduction effect.

[0012] In some embodiments of the present application, the first wall and / or the frame are provided as a porous sound absorption structure. By providing the first wall and / or the frame as a porous sound absorption structure, the noise of the heat exchange assembly can be further reduced.

[0013] In some embodiments of the present application, the surface of the first wall facing the sound absorption cavity is provided with a porous sound absorption structure, and / or the surface of the frame facing the sound absorption cavity is provided with a porous sound absorption structure. By providing the outer wall surface of the first wall and / or the surface of the frame facing the sound absorption cavity with a porous sound absorption structure, when the noise reaches the sound absorption cavity, the porous sound absorption structure can scatter and absorb the noise, reduce the reflection, convert the sound energy into heat energy, and be absorbed when the sound propagates to the cavity wall (the cavity wall includes the first wall and the frame) of the sound absorption cavity and is further reflected back to the porous sound absorption structure and is further absorbed, which can have a better noise reduction effect.

[0014] In some embodiments of the present application, the porous sound absorption structure includes sound absorption cotton, and the grammage of the sound absorption cotton is in the range of 200 to 600.

[0015] In some embodiments of the present application, the porous sound absorption structure is attached to the first wall and / or the frame. The porous sound absorption structure is attached to the first wall or the frame, which occupies a smaller space and can be arranged in a larger area, thereby improving the noise reduction effect.

[0016] In some embodiments of the present application, the porous sound absorption structure is attached to the first wall and / or the frame; and / or, the porous sound absorption structure is connected to the first wall and / or the frame by a fastener.

[0017] In some embodiments of the present application, the frame is provided with a closed plate body, and / or the first wall is provided with a closed plate body around the first vent. The frame or the first wall provided with a closed plate body can improve the air tightness of the sound absorption cavity, improve the sound stopping and reflecting effects of the cavity wall, and further improve the noise reduction capacity of the sound absorption cavity.

[0018] In some embodiments of the present application, the shell is provided with a second vent, one of the first vent and the second vent is an air inlet of the shell, and the other is an air outlet of the shell, and the second vent is provided in a mesh structure. The mesh of the mesh structure can make the air flow into the shell, while the mesh structure can also reduce the possibility of large debris entering the shell and the possibility of the operator reaching into the shell to cause danger.

[0019] In some embodiments of the present application, at least part of the airflow guiding mechanism protrudes from the first wall.

[0020] In some embodiments of the present application, the airflow guiding mechanism comprises an air guide ring and an impeller assembly, the air guide ring is installed on the first wall, the impeller assembly is arranged on the side of the first wall away from the accommodation cavity, and comprises an impeller and a blade, the impeller is provided in a cylindrical shape, the impeller is arranged on the outer side of the blade and is fixedly connected with the blade, the two ends of the air guide ring in the axial direction are an air ring air inlet end and an air ring air outlet end respectively, the two ends of the impeller in the axial direction are an impeller air inlet end and an impeller air outlet end respectively, along the axial direction of the impeller, the air ring air outlet end is arranged inside the impeller air inlet end, and along the radial direction of the impeller, the air guide ring and the impeller are gap-fitted, and the impeller assembly is configured to be rotatable relative to the air guide ring. The air ring air outlet end of the air guide ring is inserted into the impeller air inlet end, so that the stepped surface formed by the air guide ring and the impeller can avoid the flow path of the airflow, improve the smoothness of the airflow, and reduce the possibility of turbulence and noise caused by the airflow flowing from the air guide ring to the impeller.

[0021] In some embodiments of the present application, the air guide ring further comprises an assembly part, the outer wall surface of the air ring air inlet end is connected with the assembly part, the assembly part extends outwardly along the radial direction of the impeller, the assembly part is connected with the first wall, along the axial direction of the impeller, the air guide ring further comprises a protruding part protruding from the assembly part, the protruding part is inserted into the first vent, and the protruding part is provided as the air ring air inlet end. The assembly part can be attached to the first wall, and the protruding part can be inserted into the first vent, so that the airflow can flow to the airflow guiding mechanism more smoothly, the pressure loss of the airflow is reduced, and the guiding efficiency of the airflow guiding mechanism is improved.

[0022] In some embodiments of the present application, the impeller is provided with a blocking portion protruding from the outer peripheral wall of the impeller. The blocking portion can stop the airflow flowing in the opposite direction of the outer portion of the impeller, reduce the possibility of airflow flowing out of the air outlet of the impeller flowing in the opposite direction through the gap between the air guide ring and the connection portion of the impeller, causing separation and turbulence of the airflow in the impeller, and further reducing the noise of the airflow. The overall operation noise of the airflow guiding mechanism and the heat exchange equipment using the airflow guiding mechanism is reduced.

[0023] In some embodiments of the present application, the frame is spaced apart from the airflow guiding mechanism. By spacing the airflow guiding mechanism and the frame, the arrangement of the airflow guiding mechanism is facilitated, the airflow is facilitated, and the volume of the sound absorption cavity is increased to improve the noise reduction effect.

[0024] The second aspect of the present application provides a heat exchange equipment, which comprises a compressor, a throttling assembly, a second heat exchanger and a refrigerant pipeline. The heat exchange equipment further comprises the heat exchange assembly according to the present application or any of the embodiments of the present application. The compressor, the first heat exchanger, the throttling assembly and the second heat exchanger are connected in sequence by the refrigerant pipeline.

[0025] The heat exchange equipment of the present embodiment has the same beneficial effects as the heat exchange assembly according to the present application or any of the embodiments of the present application.

[0026] The third aspect of the present application provides an energy storage device, which comprises a battery and a thermal management system for adjusting the temperature of the battery. The thermal management system comprises a first heat exchange circuit and a second heat exchange circuit. The first heat exchange circuit comprises a heat exchange assembly or a heat exchange equipment. The heat exchange equipment is the heat exchange equipment according to the present application or any of the embodiments of the present application. The heat exchange assembly is the heat exchange assembly according to the present application or any of the embodiments of the present application. The first heat exchange circuit is used for heat exchange with the second heat exchange circuit. The second heat exchange circuit is used for heat exchange with the battery.

[0027] The energy storage device of the present embodiment has the same beneficial effects as the heat exchange assembly according to the present application or any of the embodiments of the present application.

[0028] In addition, the energy storage device according to the present application can further have the following additional technical features:

[0029] In some embodiments of the present application, the energy storage device further comprises a cabinet for accommodating the battery. The heat exchange assembly is arranged inside or outside the cabinet.

[0030] The fourth aspect of the present application provides a charging system, comprising a charging pile, the charging system further comprising the energy storage device according to the present application or any of the embodiments of the present application, the charging pile being electrically connected with the battery of the energy storage device, and the energy storage device being configured to provide electric energy for the charging pile.

[0031] The charging system according to the present application has the same beneficial effects as the heat exchange device according to the present application or any of the embodiments of the present application.

[0032] The above description is only a summary of the technical solutions of the present application, in order to enable one skilled in the art to better understand the technical means of the present application, and to implement the present application according to the content of the description, and in order to make the above and other purposes, characteristics and advantages of the present application more obvious and easy to understand, the following specific embodiments of the present application are described. BRIEF DESCRIPTION OF DRAWINGS

[0033] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The accompanying drawings are included to provide a description of the preferred embodiments and are not meant to limit the present application. Moreover, the same reference numerals in the attached drawings indicate the same or similar components. In the drawings:

[0034] Fig. 1 is a schematic diagram of an energy storage device according to some embodiments of the present application;

[0035] Fig. 2 is a schematic diagram of a partial structure of an energy storage device according to some embodiments of the present application;

[0036] Fig. 3 is a schematic diagram of a heat management system according to some embodiments of the present application;

[0037] Fig. 4 is a schematic diagram of a partial structure of a heat exchange assembly according to some embodiments of the present application from one perspective;

[0038] Fig. 5 is a schematic diagram of a partial structure of a heat exchange assembly according to some embodiments of the present application from another perspective;

[0039] Fig. 6 is a schematic diagram of a partial cross-sectional view of a heat exchange assembly according to some embodiments of the present application;

[0040] Fig. 7 is an enlarged view of portion D of Fig. 5;

[0041] Fig. 8 is an enlarged schematic diagram of a mesh structure according to some embodiments of the present application;

[0042] Fig. 9 is a schematic diagram of a structure of an air flow guiding mechanism according to some embodiments of the present application from one perspective;

[0043] Fig. 10 is a schematic diagram of a structure of an air flow guiding mechanism according to some embodiments of the present application from another perspective;

[0044] Fig. 11 is a cross-sectional view of an air flow guiding mechanism according to some embodiments of the present application;

[0045] Fig. 12 is an assembled cross-sectional view of a guide ring and an impeller assembly according to some embodiments of the present application;

[0046] Fig. 13 is a structural schematic diagram of an impeller assembly according to some embodiments of the present application from one perspective;

[0047] Fig. 14 is a structural schematic diagram of an impeller assembly according to some embodiments of the present application from another perspective;

[0048] Fig. 15 is a cross-sectional view of an impeller assembly according to some embodiments of the present application;

[0049] Fig. 16 is a partial cross-sectional view of an impeller assembly according to some embodiments of the present application;

[0050] Fig. 17 is a partial cross-sectional view of an impeller assembly according to some embodiments of the present application;

[0051] Fig. 18 is a partial structural schematic diagram of an air flow guiding mechanism according to some embodiments of the present application;

[0052] Fig. 19 is a structural schematic diagram of a heat exchange assembly according to some embodiments of the present application;

[0053] Fig. 20 is a structural schematic diagram of a soundproof cover according to some embodiments of the present application;

[0054] Fig. 21 is a cross-sectional view of a soundproof cover according to some embodiments of the present application;

[0055] Fig. 22 is an enlarged view of portion E of Fig. 21.

[0056] The reference signs in the detailed description are as follows: 10, energy storage device; 11, cabinet body; 12, battery; 13, bracket; 14, thermal management system; 15, accommodating space; 100, first heat exchange circuit; 101, heat exchange assembly; 110, shell; 1101, first wall; 1102, second wall; 1103, third wall; 1104, top wall; 1106, accommodating cavity; 1107, outer wall surface; 111, sound absorption cavity; 112, first ventilation opening; 113, second ventilation opening; 114, mesh structure; 1141, mesh hole; 120, first heat exchanger; 130, airflow guiding mechanism; 131, impeller assembly; 1311, wheel shaft; 1312, impeller; 1313, blade; 1314, mounting cavity; 1315, transmission part; 1316, impeller air inlet end; 1317, impeller air outlet end; 132, air guide ring; 1321, cover part; 1322, assembly part; 1323, first air guide section; 1324, second air guide section; 1325, air ring air inlet end; 1326, air ring air outlet end; 1327, first sub-section; 1328, second sub-section; 1329, convex part; 133, fixing assembly; 1330, connecting frame; 1331, first connecting part; 1332, second connecting part; 1333, connecting plate; 1334, positioning ring plate; 134, driving piece; 1341, connecting block; 1342, power line assembly; 1343, driving output end; 1344, nut assembly; 1345, limiting part; 135, protective mesh cover; 1351, assembly hole; 136, blocking part; 1361, first stop section; 1362, second stop section; 140, sound insulation cover; 141, surrounding frame; 1411, first plate body; 1412, second plate body; 1413, third plate body; 1414, fourth plate body; 142, ventilation structure; 143, air guide piece; 1431, first air guide part; 1432, second air guide part; 1433, third air guide part; 1434, air guide base body; 1435, sound absorption component; 1436, ventilation gap; 1437, stop part; 1438, cladding part; 144, surrounding plate; 150, compressor; 160, throttling assembly; 170, porous sound absorption structure; 171, fastener; 180, second heat exchanger; 190, refrigerant pipeline; 200, second heat exchange circuit; 210, heat exchange piece; 220, circulation pipeline; 230, driving assembly; 300, heating assembly; 400, indicator light. DETAILED DESCRIPTION

[0057] The embodiments of the technical scheme of the present application will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0058] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this application; the use of the terms "including," "comprising," or "having" and variations thereof herein is intended to be broad and encompass the terms "consisting of" and "consisting essentially of" and variations thereof. Unless otherwise required by context, singular terms shall include pluralities and vice versa. Unless otherwise required by context, the use herein of the singular is also to be construed as a use of the plural and vice versa.

[0059] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is more than two, unless otherwise explicitly and specifically limited.

[0060] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearance of the phrase in various places in the specification is not necessarily all referring to the same embodiment, or to a particular embodiment, or to a particular set of embodiments. It will be explicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0061] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B, which can represent the three cases of A alone, A and B together, and B alone. In addition, the character " / " in this paper generally represents that the front and rear associated objects are a "or" relationship.

[0062] In the description of the embodiments of the present application, the term "multiple" refers to more than two (including two), and similarly, "multiple groups" refers to more than two groups (including two groups), and "multiple pieces" refers to more than two pieces (including two pieces).

[0063] In the description of the embodiments of the present application, the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. The orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the present application and simplifying the description, and is not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application.

[0064] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the technical terms "mount", "connect", "connect", "fix" and other terms should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0065] The battery can store electrical energy and power the electrical device. With the development of new energy, the energy storage device with the battery is gradually widely used due to its large electrical energy storage capacity. The energy storage device can include a cabinet body, and the battery is arranged in the cabinet body. The number of batteries is usually multiple.

[0066] Temperature has a great influence on the performance of the battery. Too low temperature will reduce the activity of the battery and may cause the battery to be unable to charge and discharge. Too high temperature will have the risk of causing thermal runaway. The energy storage device is usually configured with a thermal management system to regulate the temperature of the battery in the energy storage device.

[0067] In some energy storage devices, the thermal management system regulates the temperature of the battery through a refrigerant heat exchange device, for example, a water chiller can be used to cool the battery in cooperation with a corresponding device. The refrigerant heat exchange device generally includes a compressor, a condenser, a throttling component and an evaporator connected through a refrigerant pipeline. Taking the cooling of the battery as an example, the evaporator is used for heat exchange with the battery to reduce the temperature of the battery, for example, the evaporator can be directly in contact with the battery for heat exchange, and for another example, the evaporator can exchange heat with the environment where the battery is located, or the evaporator can exchange heat with the cooling water system connected to the battery to cool the battery through the cooling water system; the condenser is used for heat exchange with air. In order to improve the refrigeration effect, the condenser is usually provided with an air flow guiding mechanism such as a fan, which can accelerate the flow of air flow to improve the heat exchange efficiency between the condenser and the air flow (formed by air). Among them, the air flow guiding mechanism guides the flow of air flow, not only needs to absorb the heat generated at the end of the battery, and dissipate the heat to the outside, but also needs to dissipate the heat generated by the refrigerant heat exchange device itself (such as the work of the compressor), so the air volume demand of the air flow guiding mechanism is large, the operating power of the air flow guiding mechanism is large, and the noise of the operation of the air flow guiding mechanism is also large.

[0068] How to reduce the noise of the refrigerant heat exchange device and make the energy storage device have a good operating environment has always been the focus of the research and development of the energy storage device. It is found that in some technologies, the air flow guiding mechanism is locally arranged on the outside of the shell of the heat exchange device, and the noise generated by the air flow guiding mechanism is more difficult to effectively control.

[0069] Therefore, in order to improve the noise generated by the airflow guiding mechanism and reduce the noise of the whole machine, the heat exchange equipment is provided, the heat exchange equipment is provided with a frame around the airflow guiding mechanism, an acoustic cavity is formed by the frame and the side wall where the airflow guiding mechanism is arranged, the noise generated by the operation of the airflow guiding mechanism and other noise can be reduced in the acoustic cavity, specifically, the noise can be attenuated at least under the stopping and reflecting effects of the side wall where the airflow guiding mechanism is arranged and the frame, so as to reduce the noise of the heat exchange equipment, and improve the control ability of the noise.

[0070] The heat exchange assembly can be applied to a water chiller. The water chiller applying the heat exchange assembly can reduce the noise of the water chiller, and thus improve the noise problem of the whole water chiller.

[0071] The heat exchange assembly or the heat exchange equipment can be applied to an energy storage device to regulate the temperature of the battery in the energy storage device. For example, the heat exchange equipment can be combined with a cooling medium circulation device to form a battery thermal management system, and heat exchange with the battery through the cooling medium circulation device. For another example, the heat exchange equipment can be used independently, and directly heat-exchanged with the battery in the energy storage device, or directly heat-exchanged with the air in the cabinet of the energy storage device to reduce the temperature in the cabinet. The heat exchange equipment can also be applied to an electric device to regulate the temperature of the battery of the electric device, and the electric device can be but not limited to an electric vehicle, an electric train, an electric bicycle, a golf cart, a drone or a ship. The heat exchange equipment can also be applied to a non-battery product or a non-battery related environment that needs to be temperature-regulated.

[0072] For convenience of description, the heat exchange equipment is applied to an energy storage device.

[0073] FIG. 1 is a schematic diagram of an energy storage device according to some embodiments of the present application, and FIG. 2 is a schematic diagram of a part of the energy storage device according to some embodiments of the present application. As shown in FIGS. 1 and 2, the energy storage device 10 includes a cabinet 11, a battery 12 and a thermal management system 14. The cabinet 11 is provided with a bracket 13, and the battery 12 is arranged on the bracket 13.

[0074] The shape of the cabinet 11 can be set as required. The cabinet 11 can be provided with an opening on one side in the horizontal direction to facilitate assembly and maintenance of the battery 12. The opening can be provided with a closable door or can be provided without a door. As shown in FIG. 2, the bracket 13 is connected to the cabinet 11 and can be an integral structure with the cabinet 11 or can be fixedly connected by bolts or the like. The battery 12 in the cabinet 11 can be multiple. The cabinet 11 can be provided with multiple rows of batteries 12 in the horizontal direction or can be provided with one row of batteries 12. Each row of batteries 12 can be stacked on the bracket 13 from top to bottom in the cabinet 11.

[0075] The battery 12 can include a box body and a battery cell accommodated in the box body. The battery 12 can be supported on the bracket 13. In each battery 12, the battery cell can be multiple. The multiple battery cells can be connected in series, connected in parallel, or connected in a mixed manner. The mixed connection means that the multiple battery cells are connected in series and in parallel. The multiple battery cells can be directly connected in series, connected in parallel, or connected in a mixed manner. The multiple battery cells are accommodated in the box body as a whole. Of course, the battery 12 can be multiple battery cells connected in series, connected in parallel, or connected in a mixed manner to form a battery module. Multiple battery modules are connected in series, connected in parallel, or connected in a mixed manner to form a whole and are accommodated in the box body. The battery 12 can further include other structures. For example, the battery 12 can further include a current combiner for realizing electrical connection between the multiple battery cells. Each battery cell can be a secondary battery or a primary battery. The battery cell can be a lithium-sulfur battery, a sodium-ion battery, or a magnesium-ion battery. The battery cell can be a cylinder, a flat body, a cuboid, or other shapes.

[0076] The thermal management system 14 can be used for temperature regulation of the battery 12. Specifically, the thermal management system 14 can only be used for temperature regulation of the battery 12. The thermal management system 14 can only be used for temperature regulation of the battery 12. The thermal management system 14 can have both the function of temperature regulation of the battery 12 and the function of temperature regulation of the battery 12. Specifically, the current temperature of the battery 12 can be adaptively controlled.

[0077] FIG. 3 is a schematic diagram of the principle of the thermal management system according to some embodiments of the present application. As shown in FIG. 3, the thermal management system 14 can include a first heat exchange circuit 100 and a second heat exchange circuit 200. The second heat exchange circuit 200 is used for heat exchange with the battery 12. The first heat exchange circuit 100 is used for heat exchange with the second heat exchange circuit 200.

[0078] The first heat exchange circuit 100 includes a heat exchange device, which can include a compressor 150, a first heat exchanger 120, a throttling assembly 160, and a second heat exchanger 180 connected in series through a refrigerant pipeline 190. The second heat exchange circuit 200 can include a cooling medium circulating device.

[0079] The cabinet 11 is provided with a containing space 15 on one side of the bracket 13, and the heat exchange device can be installed in the containing space 15. Alternatively, the heat exchange device can also be installed outside the cabinet 11 of the energy storage device 10. As shown in FIG. 4 and FIG. 5, FIG. 4 is a partial structural schematic diagram of the heat exchange assembly from one perspective according to some embodiments of the present application, and FIG. 5 is a partial structural schematic diagram of the heat exchange assembly from another perspective according to some embodiments of the present application. The heat exchange device can further include a shell 110. The compressor 150, the first heat exchanger 120, the throttling assembly 160, the second heat exchanger 180, and the airflow guiding mechanism 130 can all be arranged in the shell 110, or some components of the heat exchange device can be arranged in the shell 110 and some components can be arranged outside the shell 110. Alternatively, when the heat exchange device is installed outside the cabinet 11, the components related to heat exchange with the external environment, such as the first heat exchanger 120 and the airflow guiding mechanism 130, can be arranged in the shell 110; the compressor 150 can be arranged in the shell 110 outside the cabinet 11; or all components of the heat exchange device can be arranged in the shell 110 outside the cabinet 11.

[0080] The shell 110 is provided with an air inlet and an air outlet. The air inlet is used for air to flow into the shell 110, and the air outlet is used for air to flow out of the shell 110. The shell 110 is arranged in the containing space 15, and the cabinet 11 is provided with a communication port which communicates with the containing space 15, so that the air outlet and the air inlet of the shell 110 communicate with the outside of the cabinet 11 through the communication port. A mesh structure can be arranged at the communication port.

[0081] The first heat exchanger 120 can be used for heat exchange with air, i.e., heat exchange with the external environment. The second heat exchanger 180 is used for heat exchange with the cooling medium in the second heat exchange circuit 200. One of the first heat exchanger 120 and the second heat exchanger 180 acts as a condenser, and the other acts as an evaporator. Specifically, in the case where the battery 12 needs to be heated to increase the temperature of the battery 12, the first heat exchanger 120 is used as an evaporator, and the second heat exchanger 180 is used as a condenser; in the case where the battery 12 needs to be cooled to reduce the temperature of the battery 12, the first heat exchanger 120 is used as a condenser, and the second heat exchanger 180 is used as an evaporator. The heat exchange device can further be provided with a corresponding valve control assembly, so that the first heat exchanger 120 and the second heat exchanger 180 are switched under different working conditions.

[0082] The compressor 150 is a driven fluid machine that lifts low-pressure gas to high-pressure gas. It sucks in low-temperature and low-pressure refrigerant from its own refrigerant inlet, compresses it by rotating the motor to drive the piston, and then discharges high-temperature and high-pressure refrigerant to its own refrigerant outlet to provide power for the refrigerant circulation. Refrigerant, also known as refrigerant, snow species, etc., is a medium substance used to complete energy conversion in various heat engines.

[0083] The first heat exchanger 120 is provided with a refrigerant passage for the refrigerant to flow through. When the refrigerant flows through the first heat exchanger 120, the refrigerant can exchange heat with the air outside the first heat exchanger 120. As shown in FIG. 3, in order to improve the heat exchange efficiency of the first heat exchanger 120 and the air, the heat exchange device can further be provided with an air flow guiding mechanism 130, which can be used to guide the air flow to flow through the first heat exchanger 120. The air flow guiding mechanism 130 can be a fan, specifically an axial flow fan, a mixed flow fan, etc. The mixed flow fan is also called a mixed flow fan, which is a fan between the axial flow fan and the centrifugal fan. The impeller of the mixed flow fan makes the air do both centrifugal and axial motion, and the motion of the air is a mixture of axial and centrifugal motion.

[0084] The second heat exchanger 180 is provided with a refrigerant passage for the refrigerant to flow through. When the refrigerant flows through the second heat exchanger 180, the refrigerant can exchange heat with the cooling medium. The second heat exchanger 180 can be correspondingly provided with a first medium containing member, which is in communication with the second heat exchange circuit 200. The refrigerant in the second heat exchanger 180 exchanges heat with the cooling medium in the first medium containing member. Optionally, in some implementations, the second heat exchanger 180 is provided with a medium passage, which can serve as the first medium containing member. The inlet and outlet of the medium passage are in communication with the outlet and inlet of the second heat exchange circuit 200, respectively, to form a circulation loop of the cooling medium. The medium passage and the refrigerant passage are independent of each other. The cooling medium in the medium passage exchanges heat with the refrigerant to achieve heat exchange between the second heat exchanger 180 and the cooling medium. Optionally, in other implementations, the first medium containing member can be a liquid storage tank, a liquid storage tank, a communication pipe, etc. The second heat exchanger 180 can be arranged in the first medium containing member. The refrigerant in the second heat exchanger 180 exchanges heat with the cooling medium in the first medium containing member. The first heat exchanger 120 and the second heat exchanger 180 can be plate heat exchangers, fin heat exchangers, etc.

[0085] The second heat exchange circuit 200 includes a circulation pipeline 220 and a heat exchange member 210. The heat exchange member 210 is a member that can conduct heat, which can be a water cooling plate. The cooling medium exchanges heat with the battery 12 through the heat exchange member 210. The heat exchange member 210 can be arranged on the outside of the battery 12 and can be arranged in close contact with the battery 12 to facilitate heat exchange between the battery 12 and the heat exchange member 210. The heat exchange member 210 can also be arranged inside the battery 12, for example, between adjacent battery cells in the battery 12. The heat exchange member 210 can also be part of the box of the battery 12, i.e., part of the box as the heat exchange member 210.

[0086] The heat exchange member 210 is provided with a medium passage, and the inlet and outlet of the medium passage of the heat exchange member 210 are respectively connected with the circulating pipeline 220. The circulating pipeline 220 can be provided with a driving assembly 230, and the driving assembly 230 is used to drive the cooling medium to flow from the corresponding first medium containing member of the second heat exchanger 180 to the heat exchange member 210, and then back to the corresponding first medium containing member of the second heat exchanger 180. The cooling medium can be a liquid, such as water, and the cooling medium can also be a gas or other flowable substance.

[0087] The throttling assembly 160 is used to throttle the refrigerant to change the pressure, which can play a role in throttling, pressure reduction and flow adjustment. The throttling assembly 160 can be an expansion valve.

[0088] Referring to FIG. 3, in some embodiments, the first heat exchanger 120 of the heat exchange device is used as a condenser, and the second heat exchanger 180 is used as an evaporator, that is, the refrigerant pipeline 190 is sequentially connected in series with the compressor 150, the first heat exchanger 120, the throttling assembly 160, and the second heat exchanger 180 to form a refrigerant circuit (the present embodiment mainly takes the refrigerant circuit as an example to illustrate the cooling circuit), which can be used for refrigeration, for example, as part of a water chiller. The working principle of the heat exchange device refrigeration is as follows: the second heat exchanger 180 of the refrigerant circuit exchanges heat with the cooling medium of the second heat exchange circuit 200, the cooling medium of the second heat exchange circuit 200 passes through the heat exchange member 210 outside the battery to absorb the heat generated by the battery 12, the temperature of the cooling medium is increased, and the cooling medium enters the second heat exchanger 180. The refrigerant in the second heat exchanger 180 evaporates to absorb heat and absorbs the temperature of the cooling medium. The refrigerant after evaporation and absorption is driven back to the compressor 150 in the refrigerant circuit for compression to form a high-temperature and high-pressure state, and then passes through the condenser (the first heat exchanger 120) for condensation and heat dissipation to form a medium-temperature and high-pressure state. The condenser (the first heat exchanger 120) dissipates the generated heat to the environment through the fan (air flow guiding mechanism 130), and the medium-temperature and high-pressure state refrigerant passes through the expansion valve (throttling assembly 160) to form a low-temperature and low-pressure two-phase state refrigerant, and then returns to the second heat exchanger 180 to form a cycle.

[0089] Continuing to refer to FIG. 3, the heat exchange device can further be provided with a heating assembly 300, which can heat the cooling medium, the circulation pipeline 220 being in communication with the heating assembly 300, and the heating assembly 300 can be started when heating of the battery 12 is required. The heating assembly 300 can include an electric heating element and a second medium containing member, which can be a pipe, a tank, a box, etc., and can be connected in the circulation pipeline 220, and the electric heating element is arranged in the second medium containing member and used to heat the cooling medium of the second medium containing member. The electric heating element can be a PTC heating body, which is also called a PTC heater, and the full name is Positive Temperature Coefficient Heater. It is an electric heater using a positive temperature coefficient (PTC) material, which can be composed of a PTC ceramic heating element and an aluminum pipe. This type of PTC heating body has the advantages of small thermal resistance and high heat exchange efficiency, and is an automatic constant temperature, power-saving electric heater.

[0090] It should be noted that the scheme of providing the heating assembly 300 in the heat exchange device can be used in combination with the scheme of the refrigerant circuit of the heat exchange device for refrigeration. The second medium containing part of the heating assembly 300 is provided in parallel with the first medium containing part of the second heat exchanger 180 in the circulation pipeline 220. In some implementations, when the heat exchange device is in use, the second medium containing part of the heating assembly 300 and the second heat exchanger 180 can be selectively communicated with the circulation pipeline 220, which can be achieved by providing a valve control assembly (such as an on-off proportional valve, an electromagnetic valve, etc.) on the circulation pipeline 220, that is, when the battery 12 needs to be warmed up, the refrigerant circuit formed by the compressor 150, the first heat exchanger 120, the throttling assembly 160, and the second heat exchanger 180 is started, the circulation pipeline 220 is communicated with the first medium containing part of the second heat exchanger 180, the heating assembly 300 is closed, and the circulation pipeline 220 is cut off from the first medium containing part of the heating assembly 300, and the second heat exchange circuit 200 delivers the cooling medium heat-exchanged by the second heat exchanger 180 to the heat exchange part 210 corresponding to the battery 12 to cool the battery 12, and the cooling medium is delivered back to the second heat exchanger 180 after passing through the heat exchange part 210; when the battery 12 needs to be cooled, the refrigerant circuit formed by the compressor 150, the first heat exchanger 120, the throttling assembly 160, and the second heat exchanger 180 is stopped, the circulation pipeline 220 is cut off from the first medium containing part of the second heat exchanger 180, the heating assembly 300 is opened, and the circulation pipeline 220 is communicated with the second medium containing part of the heating assembly 300, and the second heat exchange circuit 200 delivers the cooling medium heated by the heating assembly 300 to the heat exchange part 210 corresponding to the battery 12 to heat the battery 12, and the cooling medium is delivered back to the heating assembly 300 after passing through the heat exchange part 210. In other implementations, when the heat exchange device is in use, the second medium containing part of the heating assembly 300 and the second heat exchanger 180 can also be both communicated with the circulation pipeline 220, in which case, when the battery 12 needs to be warmed up, the refrigerant circuit formed by the compressor 150, the first heat exchanger 120, the throttling assembly 160, and the second heat exchanger 180 is started, the heating assembly 300 is closed, and when the battery 12 needs to be cooled, the refrigerant circuit formed by the compressor 150, the first heat exchanger 120, the throttling assembly 160, and the second heat exchanger 180 is stopped, and the heating assembly 300 is opened.

[0091] It should be further noted that the heat management system 14 of the present embodiment can also include temperature sensors and the like, for example, a temperature sensor can be arranged on the battery 12 to detect the temperature of the battery 12; a temperature sensor can be arranged in the cabinet 11 in which the battery 12 is located to detect the temperature in the cabinet 11 in which the battery 12 is located; a temperature sensor can be arranged outside the cabinet 11 to detect the temperature of the external environment. The second heat exchange circuit can be provided with a temperature sensor and a pressure sensor to detect the temperature and flow pressure of the refrigerant, and the second heat exchange circuit can also be provided with a temperature sensor and a pressure sensor to detect the temperature and flow pressure of the cooling medium. The energy storage device 10 can adaptively control the heat exchange equipment based on the detected temperature of the temperature sensors and the like to adjust the temperature of the battery 12. Specifically, the operation control of the heat exchange equipment can be performed by the controller of the energy storage device 10, or a separate controller can be arranged in the heat management system 14, and the separate controller can control the operation of the heat exchange equipment.

[0092] Referring to FIGS. 4 to 6, FIG. 6 is a partial cross-sectional schematic diagram of a heat exchange assembly according to some embodiments of the present application. The present embodiment proposes a heat exchange assembly 101, which includes a housing 110, a first heat exchanger 120, an airflow guiding mechanism 130, and a soundproof cover 140. The housing 110 has a receiving cavity 1106. The housing 110 includes a first wall 1101 surrounding the receiving cavity 1106. The first wall 1101 is provided with a first air vent 112. The first heat exchanger 120 is arranged in the receiving cavity 1106 and is configured to exchange heat with external airflow. The airflow guiding mechanism 130 is configured to guide airflow to flow through the first heat exchanger 120 and is arranged at the first air vent 112. The soundproof cover 140 is connected to the first wall 1101 and is located on a side of the first wall 1101 away from the receiving cavity 1106. The soundproof cover 140 and the first wall 1101 surround an acoustic cavity 111. The soundproof cover 140 includes a surrounding frame 141 surrounding the first air vent 112 and the airflow guiding mechanism 130, and the surrounding frame 141 surrounds the acoustic cavity 111.

[0093] The shell 110 is an internally hollow member, and a space in the middle of the shell 110 forms a receiving cavity 1106, which can be processed according to requirements. The first air vent 112 is connected to the outside of the shell 110 and the inside of the shell 110 through the soundproof cover 140. The first air vent 112 can serve as an air inlet of the shell 110 or an air outlet of the shell 110. The shell 110 is also provided with a second air vent 113, which is connected to the outside of the shell 110 and the inside of the shell 110. In some implementations, the airflow guide mechanism 130 can be configured to blow air, that is, to guide the airflow to flow from the air inlet of the sound absorption cavity 111, through the first air vent 112, the first heat exchanger 120, and then out through the second air vent 113. At this time, the first air vent 112 serves as an air inlet of the shell 110, and the second air vent 113 can serve as an air outlet of the shell 110. In other implementations, as shown in FIG. 6, the airflow guide mechanism 130 can be configured to suck air, that is, to guide the airflow to flow from the second air vent 113, through the first heat exchanger 120, and then to the outside through the first air vent 112 and the sound absorption cavity 111. At this time, the second air vent 113 serves as an air inlet of the shell 110, and the first air vent 112 serves as an air outlet of the shell 110. The airflow can be air.

[0094] It should be noted that the other arrows in FIG. 6 represent the flow direction of the airflow.

[0095] The side of the first wall 1101 facing away from the receiving cavity 1106 is an outer wall surface 1107 of the first wall 1101, and the outer wall surface 1107 partially surrounds the sound absorption cavity 111. The first wall 1101 is a wall of the shell 110 provided with the first air vent 112. The first wall 1101 can be part of an outer wall of the shell 110. The first air vent 112 can be provided on any wall of the shell 110, such as the top wall 1104, the side wall, or the bottom wall of the shell 110. The second air vent 113 and the first air vent 112 can be provided on different walls of the shell 110 to reduce the mutual influence between the incoming air and the outgoing air and improve the heat exchange effect of the heat exchange assembly 101. The first air vent 112 and the second air vent 113 can also be provided on the same side wall of the shell 110. At this time, the second air vent 113 and the first air vent 112 can be spaced apart to reduce the mutual influence between the incoming air and the outgoing air. One or more first air vents 112 and one or more second air vents 113 can be provided on the shell 110.

[0096] The frame 141 is arranged to protrude from the outer wall surface 1107. The sound shield 140 can only include the frame 141, and in this case, the outer wall surface 1107 and the frame 141 form an acoustic cavity 111 with an opening. The first vent 112 is in communication with the containing cavity 1106 and the acoustic cavity 111, and the opening of the acoustic cavity 111 is in communication with the outside. At least part of the airflow guide mechanism 130 protrudes from the outer wall surface 1107 and is located in the acoustic cavity 111. The frame 141 protrudes from the outer wall surface 1107, that is, the frame 141 is at least partially arranged on the side of the first wall 1101 away from the containing cavity 1106. The frame 141 can be arranged around the airflow guide mechanism 130, that is, the frame 141 can be an annular frame, and the airflow guide mechanism 130 is arranged in the inner space of the annular frame. The frame 141 can be fixedly connected to the first wall 1101 or other walls of the shell 110. For example, when the frame 141 is arranged at the edge of the first wall 1101, the frame 141 can be connected to the wall adjacent to the first wall 1101 of the shell 110. At least part of the airflow guide mechanism 130 protrudes from the outer wall surface 1107, and the part of the airflow guide mechanism 130 protruding from the outer wall surface 1107 is located in the acoustic cavity 111, that is, in the direction parallel to the first wall 1101, the airflow guide mechanism 130 is located in the space surrounded by the frame 141, that is, the frame 141 is arranged outside the airflow guide mechanism 130 in the circumferential direction.

[0097] Optionally, the sound shield 140 can also be provided with a ventilation structure on the basis of the frame 141. The ventilation structure can be arranged at the opening of the frame 141, and the ventilation gap of the ventilation structure can serve as the air inlet and outlet of the sound shield 140. Specifically, the ventilation structure can be a mesh cover structure, a grating structure, etc.

[0098] In one implementation, as shown in FIG. 4, and in conjunction with FIG. 5, the shell 110 is substantially in a cuboid structure, one of the side walls of the shell 110 is a first wall 1101, the first wall 1101 is provided with a first air vent 112, the side wall adjacent to the first wall 1101 is provided with a plurality of second air vents 113, and the top wall 1104 of the shell 110 is also provided with a second air vent 113. The first wall 1101 is substantially in a rectangular structure, and the frame 141 comprises a first plate body 1411, a second plate body 1412, a third plate body 1413 and a fourth plate body 1414 connected in sequence, the first plate body 1411, the second plate body 1412, the third plate body 1413 and the fourth plate body 1414 correspond to the four sides of the first wall 1101 respectively and are connected to form a rectangular frame, and the first plate body 1411, the second plate body 1412, the third plate body 1413, the fourth plate body 1414 and the first wall 1101 surround to form the sound absorption cavity 111. The first plate body 1411, the second plate body 1412, the third plate body 1413 and the fourth plate body 1414 can be substantially perpendicular to the first wall 1101, and the end of the first plate body 1411, the second plate body 1412, the third plate body 1413 and the fourth plate body 1414 away from the first wall 1101 surrounds to form the opening of the sound absorption cavity 111, and in the direction parallel to the first wall 1101, the first communication port and the airflow guiding mechanism 130 are located in the rectangular space surrounded by the first plate body 1411, the second plate body 1412, the third plate body 1413 and the fourth plate body 1414.

[0099] The first heat exchanger 120 can be a refrigerant heat exchanger, and a refrigerant channel can be arranged in the first heat exchanger 120. The external airflow refers to the airflow formed by the air outside the first heat exchanger 120. The external airflow (i.e. the air) can flow through the outer surface of the first heat exchanger 120 and can exchange heat with the refrigerant in the first heat exchanger 120 through the first heat exchanger 120. The first heat exchanger 120 can be a parallel flow heat exchanger, a flat plate heat exchanger, a finned heat exchanger, a micro-channel heat exchanger, etc. The first heat exchanger 120 is arranged in the interior of the shell 110 and can be fixedly connected with the shell 110 through a support, a fixing member (e.g. a bolt, etc.) or the like. The first heat exchanger 120 is located on the airflow flow path between the first air vent 112 and the second air vent 113, so that the airflow guided by the airflow guiding mechanism 130 can flow through the first heat exchanger 120.

[0100] The airflow guiding mechanism 130 can be a blower, an axial flow fan, a mixed flow fan (a diagonal flow fan, etc. The airflow guiding mechanism 130 can be fixedly installed on the first wall 1101 and corresponds to the position of the first air vent 112.

[0101] The noise generated during the operation of the heat exchange assembly 101, including the noise generated during the operation of the airflow guide mechanism 130 and the noise generated when the airflow flows through the first heat exchanger 120, will propagate in various directions. In the heat exchange assembly 101 of the embodiment, the sound absorption cavity 111 is arranged at the air inlet or air outlet position (the position corresponding to the first communication port) of the shell 110. When the noise reaches the sound absorption cavity 111, the noise can be processed by the sound absorption cavity 111, and specifically, the noise can be attenuated under the blocking and reflecting action of the surrounding frame 141 and the first wall 1101, thereby reducing the noise propagated outward by the heat exchange assembly 101 and improving the control ability of the noise.

[0102] According to some embodiments of the present application, the surrounding frame 141 is sealingly connected to the first wall 1101.

[0103] Optionally, the surrounding frame 141 can be sealingly connected to the first wall 1101 by welding or the like.

[0104] In the heat exchange assembly 101 of the embodiment, the surrounding frame 141 is sealingly connected to the first wall 1101, which can improve the sealing performance of the sound absorption cavity 111 and improve the noise reduction effect of the sound absorption cavity 111.

[0105] According to some embodiments of the present application, as shown in FIGS. 4 and 5, the surrounding frame 141 is at least partially connected to the circumferential edge of the first wall 1101.

[0106] Optionally, the surrounding frame 141 can be arranged in a circle along the circumferential edge of the first wall 1101. Optionally, the surrounding frame 141 can also be partially aligned with the circumferential edge of the first wall 1101, and the other part is arranged inside the circumferential edge of the first wall 1101.

[0107] As shown in FIGS. 4 and 5, in one embodiment, the first plate body 1411, the second plate body 1412, the third plate body 1413, and the fourth plate body 1414 of the surrounding frame 141 are connected to the side edges of the corresponding positions of the first wall 1101. The shell 110 can also be provided with a part of the side wall at the bottom of the corresponding position of the first wall 1101 and the surrounding frame 141. This part of the side wall can be arranged staggered with the first wall 1101.

[0108] It can be understood that, in the heat exchange assembly 101 of the embodiment, the surrounding frame 141 is at least partially connected to the circumferential edge of the first wall 1101, which can increase the circumferential length of the surrounding frame 141, thereby increasing the reflection area of the surrounding frame 141 for the noise and improving the noise reduction effect.

[0109] According to some embodiments of the present application, as shown in FIGS. 4 to 6, the first wall 1101 is provided with a plurality of first ventilation ports 112, the plurality of first ventilation ports 112 are provided with the airflow guide mechanism 130, and the surrounding frame 141 is arranged to surround the plurality of first ventilation ports 112 and the plurality of airflow guide mechanisms 130.

[0110] The plurality of air flow guide mechanisms 130 on the first wall 1101 can be disposed in the same sound absorption cavity 111, that is, the frame 141 can be disposed outside the plurality of air flow guide mechanisms 130.

[0111] Optionally, the plurality of air flow guide mechanisms 130 are at least partially protruding from the outer wall surface 1107, and the portions of the plurality of air flow guide mechanisms 130 protruding from the outer wall surface 1107 (the outer wall surface 1107 of the first wall 1101) are disposed in the sound absorption cavity 111.

[0112] The first wall 1101 can be provided with two, three or more first air vents 112, and the plurality of first air vents 112 can be disposed at intervals. The air flow directions formed by the plurality of air flow guide mechanisms 130 corresponding to the plurality of first air vents can be substantially the same, that is, the plurality of air flow guide mechanisms 130 can be all arranged to blow air to the first heat exchanger 120, or the plurality of air flow guide mechanisms 130 can be all arranged to suck air from the position where the first heat exchanger 120 is located.

[0113] It can be understood that the frame 141 of the embodiment surrounds the plurality of air flow guide mechanisms 130, which has a simple structure, and the noise generated by the plurality of air flow guide mechanisms 130 can interfere with each other in the sound absorption cavity 111 to reduce the noise, which is conducive to improving the noise reduction effect.

[0114] According to some embodiments of the present application, optionally, as shown in FIGS. 5 and 6, the first wall 1101 and / or the frame 141 are provided as a porous sound absorption structure 170.

[0115] That is, the cavity wall surrounding the sound absorption cavity 111 can be provided as a porous sound absorption structure 170. The porous sound absorption structure 170 refers to a structure that can absorb noise and thus reduce noise, which can be a porous sound absorption structure, such as sound absorption cotton, sound absorption board, etc., and the porous sound absorption structure 170 can also be a resonance sound absorption structure, etc.

[0116] Optionally, the porous sound-absorbing structure 170 is a component with a plurality of holes (generally micro-holes) on the surface and inside, and can reduce noise based on these holes. The porous sound-absorbing structure reduces noise mainly based on three mechanisms of reflection, scattering and absorption of noise. Among them, the reflection mechanism refers to when noise encounters the surface of the porous sound-absorbing structure, part of the energy will be reflected back, and the surface with high reflectivity can effectively reduce the penetration of sound. The scattering mechanism refers to the irregular shape of the surface of the porous sound-absorbing structure can make the propagation direction of the noise more diverse, thereby reducing the reflection of the noise on the material surface, the small holes and protrusions on the surface of the porous sound-absorbing component can play a scattering role, increase the contact area of the noise and the material, and thereby reduce the reflection and propagation of the noise. The absorption mechanism refers to when the noise enters the porous sound-absorbing material through the holes, its energy will gradually dissipate due to internal molecular friction and heat conduction, thereby effectively absorbing the energy of the noise. The porous sound-absorbing structure can be a component prepared from a porous sound-absorbing material, and the porous sound-absorbing material can be organic fiber, inorganic fiber, inorganic foam, and foam plastic, etc. The porous sound-absorbing structure can also be a sound-absorbing board, etc. The porous sound-absorbing structure has low cost and good noise reduction effect.

[0117] Optionally, the first wall 1101 itself is provided with a porous sound-absorbing structure. Optionally, the first wall 1101 can also be provided with a porous sound-absorbing structure 170 on the outer wall surface 1107. Optionally, the inner wall surface of the first wall 1101 can also be provided with a porous sound-absorbing structure. Among them, the outer wall surface 1107 of the first wall 1101 refers to the side of the first wall 1101 facing away from the containing cavity 1106, that is, the side facing the sound-absorbing cavity 111, and the inner wall surface of the first wall 1101 refers to the side of the first wall 1101 facing the containing cavity 1106, that is, the side facing away from the sound-absorbing cavity 111. The porous sound-absorbing structure 170 can be connected to the first wall 1101 by a support or the like, or can be attached to the first wall 1101.

[0118] Optionally, the surrounding frame 141 itself is provided with a porous sound-absorbing structure. Optionally, the surrounding frame 141 can also be provided with a porous sound-absorbing structure 170 on the surface (outer surface) facing away from the sound-absorbing cavity 111. Optionally, the surface (inner surface) of the surrounding frame 141 facing the sound-absorbing cavity 111 can also be provided with a porous sound-absorbing structure 170. The porous sound-absorbing structure 170 can be connected to the surrounding frame 141 by a support or the like, or can be attached to the surrounding frame 141. Optionally, the end surface of the surrounding frame 141 facing away from the first wall 1101 can be provided with a porous sound-absorbing structure 170. Among them, one, two, or three of the first plate body 1411, the second plate body 1412, the third plate body 1413, and the fourth plate body 1414 can be provided with a porous sound-absorbing structure 170, or all four plate bodies can be provided with a porous sound-absorbing structure 170.

[0119] The heat exchange assembly 101 in this embodiment is provided with the porous sound absorption structure 170 on the first wall 1101 and / or the frame 141, which can further reduce the noise of the heat exchange assembly 101.

[0120] According to some embodiments of the present application, as shown in FIGS. 5 and 6, the first wall 1101 is provided with the porous sound absorption structure 170 on the surface thereof facing the sound absorption cavity 111 (the outer wall surface 1107 of the first wall 1101), and / or the frame 141 is provided with the porous sound absorption structure 170 on the surface thereof facing the sound absorption cavity 111.

[0121] It can be understood that the main body of the first wall 1101 and the frame 141 can be provided as a closed plate, and the porous sound absorption structure 170 can be provided on the closed plate.

[0122] Optionally, the outer wall surface 1107 of the first wall 1101 is at least partially provided with the porous sound absorption structure 170.

[0123] Optionally, the frame 141 is provided with the porous sound absorption structure 170 on at least part of the surface thereof facing the sound absorption cavity 111.

[0124] The heat exchange assembly 101 in this embodiment is provided with the porous sound absorption structure 170 on the outer wall surface 1107 of the first wall 1101 and / or the surface of the frame 141 facing the sound absorption cavity 111. When the noise reaches the sound absorption cavity 111, the porous sound absorption structure 170 scatters and absorbs the noise, reduces the reflection, converts the sound energy into heat energy, and is further reflected when the sound propagates to the cavity wall of the sound absorption cavity 111 (the cavity wall includes the first wall 1101 and the frame 141), and is further absorbed by the porous sound absorption structure 170 again, which can have a better noise reduction effect.

[0125] According to some embodiments of the present application, the porous sound absorption structure includes sound absorption cotton, and the grammage of the sound absorption cotton is in the range of 200 to 600.

[0126] The grammage is the weight of the sound absorption cotton per square meter, and the unit is "grams per square meter". The sound absorption cotton is also called sound insulation cotton, which can be a porous piece processed from a fiber material, and the main material of the sound absorption cotton can be artificial inorganic fiber, polyester fiber, etc. The grammage of the sound absorption cotton can be 200, 300, 400, 600, etc.

[0127] The sound absorption cotton is used as the porous sound absorption structure 170 in this embodiment, which has a low cost, is convenient to arrange, and has a good noise reduction effect. The grammage of the sound absorption cotton is in the range of 200 to 600, which has a good noise reduction effect, is not easy to cause mutual interference of components, and has a reasonable cost control.

[0128] According to some embodiments of the present application, the porous sound-absorbing structure 170 is optionally attached to the first wall 1101 and / or the frame 141, as shown in FIGS. 5 and 6.

[0129] The attachment can be understood as that the porous sound-absorbing structure 170 is laid on the first wall 1101 or the frame 141 and can be in contact with the first wall 1101 or the frame 141, that is, the porous sound-absorbing structure 170 is laid along the wall surface of the first wall 1101 or the surface of the frame 141.

[0130] Optionally, the porous sound-absorbing structure 170 on the first wall 1101 can be attached to the first wall 1101, and the porous sound-absorbing structure 170 can be attached to part of the wall surface of the first wall 1101 or can cover the entire wall surface of the first wall 1101.

[0131] Optionally, the porous sound-absorbing structure 170 on the frame 141 can be attached to the frame 141, and the porous sound-absorbing structure 170 can be attached to part of the wall surface of the frame 141 or can cover the entire wall surface of the frame 141.

[0132] In the heat exchange assembly 101 of the present embodiment, the porous sound-absorbing structure 170 is attached to the first wall 1101 or the frame 141, occupies a smaller space, and can be arranged in a larger area, thereby improving the noise reduction effect. Moreover, the porous sound-absorbing structure 170 of the sound insulation cover 140 can be replaced, and after the porous sound-absorbing structure 170 fails, the sound insulation cover 140 can be replaced only.

[0133] According to some embodiments of the present application, the porous sound-absorbing structure 170 is optionally attached to the first wall 1101 and / or the frame 141; and / or, the porous sound-absorbing structure 170 is connected to the first wall 1101 and / or the frame 141 through the fastener 171.

[0134] The fastener 171 can be a screw, a stud, or the like. In some implementations, the fastener 171 is a stud, the stud is fixedly connected to the first wall 1101 or the frame 141, the stud penetrates the porous sound-absorbing structure 170, and the porous sound-absorbing structure 170 can be fixed by the friction force between the porous sound-absorbing structure 170 and the stud. Optionally, the stud can also cooperate with a gasket to fix the porous sound-absorbing structure 170. Specifically, the gasket can be arranged on the inner side of the porous sound-absorbing structure 170, the gasket is screwed with the stud, and the gasket and the first wall 1101 or the frame 141 cooperate to clampingly fix the porous sound-absorbing structure 170.

[0135] Optionally, the porous sound-absorbing structure 170 of the first wall 1101 can be bonded to the first wall 1101 only by the adhesive. Optionally, the porous sound-absorbing structure 170 of the first wall 1101 can be connected to the first wall 1101 only by the fastener 171. Optionally, as shown in FIG. 7, which is an enlarged view of portion D of FIG. 5, the porous sound-absorbing structure 170 of the first wall 1101 can be first bonded to the first wall 1101, and then the connection between the porous sound-absorbing structure 170 and the first wall 1101 can be reinforced by the fastener 171.

[0136] Optionally, the porous sound-absorbing structure 170 of the surrounding frame 141 can be bonded to the surrounding frame 141 only by the adhesive. Optionally, the porous sound-absorbing structure 170 of the surrounding frame 141 can be connected to the surrounding frame 141 only by the fastener 171. Optionally, the porous sound-absorbing structure 170 of the surrounding frame 141 can be first bonded to the surrounding frame 141, and then the connection between the porous sound-absorbing structure 170 and the surrounding frame 141 can be reinforced by the fastener 171.

[0137] According to some embodiments of the present application, as shown in FIGS. 4-6, the surrounding frame 141 is provided as a closed plate body, and / or the first wall 1101 is provided as a closed plate body around the first vent 112.

[0138] The closed plate body refers to a plate body that has substantially no through holes, and most or all positions of the plate body are closed. The closed plate body can be understood with reference to a non-hole plate.

[0139] Optionally, the first wall 1101 is provided as a closed plate body around the first vent 112, that is, the part of the first wall 1101 that surrounds the sound-absorbing cavity 111 can be provided as a closed plate body. The plate body of the first wall 1101 can be provided with the porous sound-absorbing structure.

[0140] Optionally, the surrounding frame 141 can be provided as a closed plate body. The plate body of the surrounding frame 141 can be provided with the porous sound-absorbing structure.

[0141] In the heat exchange assembly 101 of the present embodiment, the surrounding frame 141 or the first wall 1101 is provided as a closed plate body, and the closed plate body surrounds the sound-absorbing cavity 111, which can improve the airtightness of the sound-absorbing cavity 111, improve the sound stopping and reflecting effects of the cavity wall of the sound-absorbing cavity 111, and further improve the noise reduction capability of the sound-absorbing cavity 111.

[0142] According to some embodiments of the present application, the surrounding frame 141 and / or the first wall 1101 is a metal plate.

[0143] The sound insulation of the plate member has a mass law, the heavier the mass of the material of the plate member (the greater the surface density or the unit volume density), the better the sound insulation effect, and the sound insulation volume can be increased by approximately six decibels theoretically for each doubling of the surface density, and therefore the greater the density of the selected plate member is the better. Based on the comprehensive consideration of cost and noise reduction effect, the metal plate can be used as the first wall 1101 or the surrounding frame 141 in this embodiment. The metal plate refers to a plate body processed from a metal material, which can be a metal composite plate, an alloy plate, etc.

[0144] Optionally, the metal plate can be a steel plate. The steel plate has high hardness, large density, and low cost, and the use of the steel plate as the first wall 1101 or the surrounding frame 141 can reduce the cost of the heat exchange device and have a good noise reduction effect.

[0145] According to some embodiments of the present application, the first vent 112 and the second vent 113 are arranged on the shell 110, one of the first vent 112 and the second vent 113 is an air inlet of the shell 110, and the other is an air outlet of the shell 110, and the second vent 113 is provided in a mesh structure 114.

[0146] The second vent 113 can be provided with a mesh structure 114, as shown in FIG. 8, which is an enlarged schematic view of the mesh structure according to some embodiments of the present application. The mesh holes 1141 of the mesh structure 114 can allow the air flow to flow into the accommodation cavity 1106, and at the same time, the mesh structure 114 can reduce the possibility of large debris entering the shell 110 and the possibility of the operator reaching into the accommodation cavity 1106 and causing danger. The mesh holes 1141 of the mesh structure 114 can be hexagonal mesh holes, diamond-shaped mesh holes, circular mesh holes, etc.

[0147] It should be noted that the black blurred areas in FIGS. 4 and 5 are mesh structures 114, which are black due to the display scale, and the specific structure of the mesh structure 114 can be understood with reference to the enlarged view of the mesh structure 114 in FIG. 8. The mesh structure 114 of each black blurred area can be the same as the mesh structure 114 shown in FIG. 8. When the shell 110 has a plurality of second vents 113, at least one second vent 113 can be provided with a mesh structure 114. It should be noted that in order to facilitate the understanding of other components, only a portion of the top end and the bottom end of the first heat exchanger 120 is shown in FIG. 4, and in fact the first heat exchanger 120 is a whole structure from the top end to the bottom end.

[0148] According to some embodiments of the present application, at least part of the airflow guide mechanism 130 protrudes from the first wall 1101, as shown in FIGS. 4 and 5.

[0149] Optionally, the air flow guiding mechanism 130 can be arranged on the outer wall surface 1107 of the first wall 1101 and opposite to the first air vent 112. One end of the air flow guiding mechanism 130 is connected to and communicates with the first air vent 112, and the other end of the air flow guiding mechanism 130 communicates with the outside through the sound absorption cavity 111. Optionally, the air flow guiding mechanism 130 can also be partially arranged in the first air vent 112 and partially protrude from the outer wall surface 1107. In this case, the air flow guiding mechanism 130 can also partially protrude from the inner wall surface of the first wall 1101 and be arranged in the accommodating cavity 1106.

[0150] The air flow guiding mechanism 130 of the heat exchange assembly in this embodiment at least partially protrudes from the first wall 1101 and is located outside the first wall 1101, which can reduce the space occupied by the air flow guiding mechanism 130 in the shell 110 and facilitate the assembly of the air flow guiding mechanism 130 to the first wall 1101. The surrounding frame 141 surrounds the external air flow guiding mechanism 130, which can reduce the direct outward propagation of the noise generated by the external air flow guiding mechanism 130 and has a good noise reduction effect. At the same time, the surrounding frame 141 can also protect the air flow guiding mechanism 130 and reduce the possibility of rain entering the air flow guiding mechanism 130.

[0151] According to some embodiments of the present application, the air flow guiding mechanism 130 can include a wind guide ring 132 and an impeller assembly 131. The wind guide ring 132 is mounted on the first wall 1101. The impeller assembly 131 is arranged on the side of the first wall 1101 away from the accommodating cavity 1106 and includes an impeller 1312 and a blade 1313. The impeller 1312 is arranged in a cylindrical shape and surrounds the outside of the blade 1313 and is fixedly connected to the blade 1313. The two ends of the wind guide ring 132 in the axial direction are a wind ring air inlet end 1325 and a wind ring air outlet end 1326, respectively. The two ends of the impeller 1312 in the axial direction are an impeller air inlet end 1316 and an impeller air outlet end 1317, respectively. In the axial direction of the impeller 1312, the wind ring air outlet end 1326 is arranged inside the impeller air inlet end 1316. In the radial direction of the impeller 1312, the wind guide ring 132 is in clearance fit with the impeller 1312. The impeller assembly 131 is configured to be rotatable relative to the wind guide ring 132.

[0152] The air flow guiding mechanism 130 can be an axial flow fan or a mixed flow fan. When the first air vent 112 is an air inlet of the housing 110, the air flow guiding mechanism 130 of the present embodiment can be mounted on the inner wall surface of the first wall 1101. As shown in FIG. 4 and FIG. 5, when the first air vent 112 is an air outlet of the housing 110, the air flow guiding mechanism 130 of the present embodiment can be mounted on the outer wall surface of the first wall 1101. The air guide ring 132 is connected with the first wall 1101 to fix the air flow guiding mechanism 130 to the first wall 1101.

[0153] The air guide ring 132 can guide the air flow, and the air guide ring 132 can be connected with the first wall 1101 to fix the air flow guiding mechanism 130 to the first wall 1101. The air guide ring 132 is a substantially cylindrical structure, and a channel for the air flow is formed in the air guide ring 132. Specifically, the air guide ring 132 can be a cylindrical structure with a substantially circular or elliptical cross section, or a cylindrical structure with a polygonal or irregular cross section. The air guide ring 132 has two ends penetrating in the axial direction, and the two ends are respectively an air guide ring air inlet end 1325 and an air guide ring air outlet end 1326. The air flow can flow from the air guide ring air inlet end 1325 to the air guide ring air outlet end 1326 along the inside of the air guide ring 132.

[0154] The impeller assembly 131 guides the air flow by rotating, and the flow direction of the air flow can be understood with reference to the arrow C. The impeller 1312 is cylindrically arranged, which can be understood as that the impeller 1312 is at least partially a substantially cylindrical structure. For example, the impeller 1312 can be a substantially circular cylindrical structure as a whole. Of course, the impeller 1312 can also be processed into other shapes of cylindrical structure according to needs, and the side wall of the impeller 1312 can be closed to reduce the possibility of air flow leaking from the side wall of the impeller 1312 and easily flowing back to the impeller air inlet end 1316. The impeller 1312 has two ends penetrating in the axial direction, and a flow channel for the air flow is formed in the impeller 1312. The two ends of the impeller 1312 in the axial direction are respectively an impeller air inlet end 1316 and an impeller air outlet end 1317. The air flow can flow from the air inlet end of the impeller 1312 to the air outlet end 1317 along the inside of the impeller 1312. The blades 1313 can be sheet-like or plate-like structures, and the blades 1313 can be provided in one or more pieces. The blades 1313 can be arranged in the air guide ring 132 and fixedly connected with the inner circumferential wall of the air guide ring 132.

[0155] It can be understood that the flow direction of the airflow in the air guide ring 132 and the impeller assembly 131 can be understood in the axial direction of the air guide ring 132 and the axial direction of the impeller 1312. Alternatively, the axial direction of the air guide ring 132 and the axial direction of the impeller 1312 can be coaxially arranged. The radial direction of the air guide ring 132 is substantially perpendicular to the axial direction of the air guide ring 132, that is, substantially perpendicular to the direction of the airflow flowing in the air guide ring 132. The radial direction of the impeller 1312 is substantially perpendicular to the axial direction of the impeller 1312, that is, substantially perpendicular to the direction of the airflow flowing in the impeller 1312.

[0156] As shown in FIGS. 11 and 12, the air guide ring outflow end 1326 is arranged inside the impeller inflow end 1316, so that the air guide ring outflow end 1326 communicates with the impeller inflow end 1316. The air guide ring outflow end 1326 is arranged inside the impeller inflow end 1316, that is, the impeller inflow end 1316 is arranged outside the air guide ring 132. The connection between the air guide ring outflow end 1326 and the impeller inflow end 1316 forms a stepped surface. The stepped surface (i.e., the end surface of the air guide ring outflow end 1326) in the airflow flow path is oriented in the same direction as the airflow flow direction, so that the airflow flowing from the air guide ring outflow end 1326 to the impeller 1312 is not easily interfered by the stop.

[0157] In the radial direction of the air guide ring 132, the air guide ring 132 and the impeller 1312 are gap-fitted, which is mainly to enable the impeller 1312 to rotate around its own axis. The air guide ring 132 and the impeller 1312 are gap-fitted in the radial direction of the air guide ring outflow end 1326 (also in the radial direction of the impeller inflow end 1316), that is, the impeller 1312 and the sleeved part of the air guide ring 132 are gap-fitted, so that the impeller 1312 can rotate around its own axis.

[0158] Alternatively, the airflow guiding mechanism 130 can further include a driving member 134 for driving the rotation of the impeller assembly 131. The driving member 134 and the impeller assembly 131 can be connected through the wheel shaft 1311, the blades 1313 are connected to the wheel shaft 1311, and the driving member 134 drives the wheel shaft 1311 to drive the blades 1313 and the impeller 1312 to rotate together. The driving member 134 can be a motor or the like.

[0159] Alternatively, the airflow guiding mechanism 130 can further include a fixing assembly 133 for connecting the impeller assembly 131 and the air guide ring 132. The fixing assembly 133 can fix the impeller assembly 131 to the air guide ring 132 while retaining the freedom of the impeller assembly 131 to rotate around its own axis, so that the assembly of the airflow guiding mechanism 130 can be completed by connecting the air guide ring 132 and the first wall 1101.

[0160] The air flow guiding mechanism 130 in the embodiment, when in operation, the impeller assembly 131 rotates, and air flow is pressed from the air ring 132 to the air outlet (i.e. the impeller air outlet end 1317) of the impeller assembly 131. The air ring air outlet end 1326 of the air ring 132 is inserted into the impeller air inlet end 1316 of the impeller 1312, so that the stepped surface formed by the air ring 132 and the impeller 1312 can avoid the flow path of the air flow, improve the smoothness of the air flow, and reduce the possibility that the air flow from the air ring 132 to the impeller 1312 is disturbed by the stepped surface and generates turbulence to increase noise.

[0161] According to some embodiments of the present application, the air ring 132 further comprises an assembly portion 1322, the outer wall surface of the air ring air inlet end 1325 is connected with the assembly portion 1322, the assembly portion 1322 extends outward along the radial direction of the impeller 1312, and the assembly portion 1322 is connected with the first wall 1101. Along the axial direction of the impeller 1312, the air ring 132 further comprises a protruding portion 1329 protruding from the assembly portion 1322, the protruding portion 1329 is inserted into the first air vent 112, and the protruding portion 1329 is arranged as the air ring air inlet end 1325.

[0162] For the convenience of description and understanding, the main body portion of the air ring 132 is defined as a cover portion 1321. Specifically, the air ring 132 comprises the cover portion 1321 and the assembly portion 1322, the cover portion 1321 has the air ring air inlet end 1325 and the air ring air outlet end 1326 at two ends along the axial direction of the air ring 132, the outer wall surface of the air ring air inlet end 1325 of the cover portion 1321 is connected with the assembly portion 1322, and the assembly portion 1322 is used to connect with the first wall 1101; the air flow guiding mechanism 130 further comprises a fixing assembly 133, and the impeller assembly 131 is installed on the assembly portion 1322 through the fixing assembly 133.

[0163] The assembly portion 1322 is fixedly connected with the cover portion 1321, and the two can be an integral structure. Alternatively, the assembly portion 1322 can be a structure formed by outwardly folding the air ring air inlet end 1325 of the cover portion 1321. Alternatively, the assembly portion 1322 can be a flange structure, and the assembly portion 1322 can be detachably connected with the first wall 1101 through a bolt or the like.

[0164] The air flow guiding mechanism 130 in the embodiment can conveniently fix the air ring 132 to the first wall 1101 by arranging the assembly portion 1322.

[0165] According to some embodiments of the present application, optionally, referring to FIGS. 9-11, the airflow guiding mechanism 130 further comprises a fixing assembly 133, and the impeller assembly 131 is mounted to the assembling portion 1322 through the fixing assembly 133. The fixing assembly 133 connects the impeller assembly 131 and the assembling portion 1322, so that the impeller assembly 131 is mounted to the mounting portion. It should be noted that the fixing assembly 133 is relatively fixed with the assembling portion 1322, and the impeller assembly 131 can rotate relative to the fixing assembly 133. For example, the fixing assembly 133 can comprise a connecting frame 1330 and a bearing fixed on the connecting frame 1330, the connecting frame 1330 is fixedly connected with the assembling portion 1322, and the bearing is connected with the wheel shaft 1311 of the impeller assembly 131 through a shaft, so that the impeller assembly 131 can rotate relative to the fixing assembly 133, and can be mounted to the assembling portion 1322 through the fixing assembly 133; for another example, the fixing assembly 133 can be connected with a fixed portion of a driving member 134 (such as a motor) of the impeller assembly 131, and a driving output end 1343 of the driving member 134 is connected with the impeller assembly 131, so that the impeller assembly 131 can rotate relative to the fixing assembly 133, and can be mounted to the assembling portion 1322 through the fixing assembly 133.

[0166] In the airflow guiding mechanism 130 of the present embodiment, the air guide ring 132 is arranged on the assembling portion 1322, and the impeller assembly 131 is mounted to the assembling portion 1322, so that the air guide ring 132 and the impeller assembly 131 are integrated, and the structure is simple. By connecting the assembling portion 1322 with the first wall 1101, the whole airflow guiding mechanism 130 can be fixed to the first wall 1101, and the operation is convenient.

[0167] According to some embodiments of the present application, optionally, continuing to refer to FIGS. 9-11, the airflow guiding mechanism 130 further comprises a driving member 134, and the impeller assembly 131 further comprises a wheel shaft 1311, the wheel shaft 1311 is arranged in the impeller 1312, the blades 1313 are connected to the wheel shaft 1311, and the driving member 134 is connected to one end of the wheel shaft 1311 away from the air guide ring 132 along the axial direction of the impeller 1312.

[0168] The blades 1313 and the wheel shaft 1311 can be arranged at intervals along the axial direction of the impeller 1312 away from the air guide ring 132, so that the impeller assembly 131 can rotate around its own axis, and the possibility of mutual interference between the impeller assembly 131 and the air guide ring 132 is reduced.

[0169] Optionally, the blades 1313 are arranged in a plurality of blades 1313, and the plurality of blades 1313 are connected to the wheel shaft 1311 at intervals along the circumferential direction of the wheel shaft 1311. The blades 1313, the wheel shaft 1311 and the impeller 1312 can be an integrated structure.

[0170] The driving member 134 can include a motor, and an output shaft of the motor is fixedly connected with the wheel shaft 1311 to drive the impeller assembly 131 to rotate around the axis thereof.

[0171] In some embodiments, the impeller assembly 131 can be supported and fixed by the output shaft of the motor, and the driving member 134 is fixedly connected with the assembly portion 1322 through the fixing assembly 133, so that the fixing assembly 133 can support and fix the driving member 134 and the impeller assembly 131. Specifically, the airflow guiding mechanism 130 further includes the driving member 134, the impeller assembly 131 further includes the wheel shaft 1311 arranged in the impeller 1312, the blades 1313 are connected with the wheel shaft 1311, and the blades 1313 and the wheel shaft 1311 are both arranged in the axial direction of the impeller 1312 and are spaced apart from the air guide ring 132. The driving member 134 is connected with one end of the wheel shaft 1311 away from the air guide ring 132, and the fixing assembly 133 is connected with the driving member 134 to mount the impeller assembly 131 and the driving member 134 on the assembly portion 1322.

[0172] Optionally, in some implementations, the fixing assembly 133 includes a connecting frame 1330, one end of the connecting frame 1330 is detachably fixedly connected with the driving member 134 through bolts or the like, and the other end of the connecting frame 1330 is detachably fixedly connected with the assembly portion 1322 through bolts or the like. Through the detachable manner, the disassembly and maintenance of the driving member 134 and the impeller assembly 131 are facilitated.

[0173] The airflow guiding mechanism 130, the driving member 134, the impeller assembly 131 and the air guide ring 132 can be integrated in the embodiment, which facilitates the assembly of the airflow guiding mechanism 130 and the first wall 1101, and the impeller assembly 131 and the driving member 134 are connected and fixed with the assembly portion 1322 through the same fixing assembly 133, so that the structure is simple and the disassembly and assembly are facilitated.

[0174] According to some embodiments of the present application, the wheel shaft 1311 is provided with an installation cavity 1314, and the driving member 134 is arranged in the installation cavity 1314, and the driving member 134 is arranged to drive the wheel shaft 1311 to rotate the impeller assembly 131.

[0175] In an optional implementation, the wheel shaft 1311 is provided with an installation cavity 1314, the installation cavity 1314 penetrates through the end face of the wheel shaft 1311 away from the air guide ring 132, the wheel shaft 1311 is further provided with a transmission portion 1315, the transmission portion 1315 is located at one end of the wheel shaft 1311 close to the air guide ring 132, part of the driving member 134 is arranged in the installation cavity 1314 and is in gap cooperation with the hole wall of the installation cavity 1314, and the driving output end 1343 of the driving member 134 is connected with the transmission portion 1315 to drive the wheel shaft 1311 to rotate the impeller assembly 131.

[0176] As shown in FIGS. 11-17, the wheel shaft 1311 is internally hollow to form a mounting cavity 1314, the mounting cavity 1314 is open at an end away from the air guide ring 132, and the mounting cavity 1314 is sealed at an end close to the air guide ring 132. The body of the motor is inserted into the mounting cavity 1314 and is in clearance fit with the mounting cavity 1314, so that the impeller assembly 131 can rotate relative to the body of the motor; the output shaft of the motor is fixedly connected with the transmission part 1315, so that the output shaft of the motor can drive the impeller assembly 131 to rotate.

[0177] The transmission part 1315 and the driving output end 1343 can be connected by a key or fixedly connected by a bolt. Alternatively, in a specific implementation, the transmission part 1315 is provided with a polygonal hole, the driving output end 1343 is provided in a polygonal structure, the driving output end 1343 is inserted into the polygonal hole, so that the driving output end 1343 is fixedly connected with the transmission part 1315 in the circumferential direction; the driving output end 1343 is provided with a limiting part 1345 on the inside of the polygonal hole (the side of the polygonal hole facing the mounting cavity 1314), the driving output end 1343 passes through the polygonal hole, and a nut assembly 1344 is screwed on the outside of the polygonal hole (the side of the polygonal hole away from the mounting cavity 1314), the nut assembly 1344 and the limiting part 1345 fix the driving output end 1343 and the transmission part 1315 in the axial direction, so as to achieve the fixed connection of the driving output end 1343 and the wheel shaft 1311.

[0178] It should be noted that, in the axial direction of the impeller assembly 131, the body of the driving member 134 can be entirely located in the mounting cavity 1314 or partially protrude from the mounting cavity 1314.

[0179] The airflow guiding mechanism 130 of the embodiment, the driving member 134 is at least partially built-in in the mounting cavity 1314, so that the airflow guiding mechanism 130 has a smaller volume, saving costs, and the driving member 134 is substantially built-in in the mounting cavity 1314, which can reduce the damage of rainwater and the like to the driving member 134 and improve the reliability of the driving member 134.

[0180] According to some embodiments of the present application, the airflow guiding mechanism 130 further includes a protective mesh cover 135, which is provided on the radial outer side of the impeller assembly 131.

[0181] The protective mesh cover 135 is a cover structure with mesh holes, and the protective mesh cover 135 can be mounted on the assembly part 1322 and cover the end of the impeller assembly 131 away from the air guide ring 132. The driving member 134 can be entirely or partially located in the protective mesh cover 135.

[0182] The protective mesh cover 135 can meet the air outlet requirement of the airflow guiding mechanism 130, reduce the entry of foreign matters into the airflow guiding mechanism 130, improve the reliability of the airflow guiding mechanism 130, and reduce the risk of the operator being injured by the airflow guiding mechanism 130.

[0183] Optionally, in some implementations, the protective mesh cover 135 can be provided with an assembly hole 1351, the driving member 134 partially protrudes from the mounting cavity 1314 and is located in the assembly hole 1351, one end of the fixing assembly 133 is connected with the driving member 134, the other end passes through the protective mesh cover 135 and is connected with the assembly portion 1322, and the protective mesh cover 135 is pressed against the assembly portion 1322 through the fixing assembly 133. Optionally, the fixing assembly 133 can include a connecting frame 1330, the connecting frame 1330 includes a first connecting portion 1331 and a second connecting portion 1332 connected with each other, the first connecting portion 1331 extends substantially along the axial direction of the impeller 1312, one end of the first connecting portion 1331 is connected with the assembly portion 1322, the other end of the second connecting portion 1332 is connected with one end of the second connecting portion 1332, the second connecting portion 1332 extends substantially along the radial direction of the impeller 1312, the other end of the second connecting portion 1332 passes through the protective mesh cover 135 away from the side of the impeller assembly 131, and is fixedly connected with the driving member 134. The connecting frame 1330 can be spaced apart along the circumferential direction of the protective mesh cover 135. The first connecting portion 1331 can be provided with a connecting plate 1333, the connecting plate 1333 is attached to the assembly portion 1322, and the connecting plate 1333 and the assembly portion 1322 can be fixedly connected through bolts or other fasteners. The first connecting portion 1331 and the second connecting portion 1332 can be an integral structure. The body of the driving member 134 can be provided with a protruding connecting block 1341, the second connecting portion 1332 is fixedly connected with the connecting block 1341, and the second connecting portion 1332 and the connecting block 1341 can be detachably connected through bolts or the like. The end of the second connecting portion 1332 away from the first connecting portion 1331 can be provided with a connecting plate, the second connecting portion 1332 is attached to the positioning ring plate 1334 or the connecting block 1341 through the connecting plate, and the second connecting portion 1332 and the positioning ring plate 1334 can be fixedly connected through bolts or other fasteners.

[0184] Optionally, the fixing assembly 133 can further include a positioning ring plate 1334, the positioning ring plate 1334 is arranged in the assembly hole 1351 and is sleeved on the outer side of the driving member 134, and the second connecting portion 1332 is further fixedly connected with the positioning ring plate 1334. The positioning ring plate 1334 is supported and fixed by the connecting frame 1330, and the positioning ring plate 1334 can limit the movement of the protective mesh cover 135 along the radial direction, thereby improving the assembly stability of the protective mesh cover 135. The positioning ring plate 1334 and the second connecting portion 1332 can be detachably connected through bolts or the like.

[0185] Optionally, the driving member 134 can have a small portion exposed outside the protective mesh cover 135, and the portion can be connected to a power line assembly 1342 for supplying power to the driving member 134. By placing the power line assembly 1342 outside, the power line assembly 1342 is less likely to interfere with the protective mesh cover 135, and the convenience of connecting the power line assembly 1342 to the power supply is improved.

[0186] The embodiment has simple structure and high assembly stability, and when the impeller assembly 131 needs to be maintained, the protective mesh cover 135, the driving member 134 and the impeller assembly 131 can be disassembled by disassembling the fixing assembly 133, which is convenient to operate.

[0187] According to some embodiments of the present application, as shown in FIGS. 9, 11, 12 and 18, along the axial direction of the air guide ring 132, the cover body portion 1321 includes a protruding portion 1329 protruding from the assembly portion 1322, the protruding portion 1329 is configured to be inserted into the first air vent of the first wall, and the protruding portion 1329 is configured as the air guide ring air inlet end 1325.

[0188] Along the axial direction of the air guide ring 132, the protruding portion 1329 protrudes towards the side of the cover body portion 1321 away from the impeller assembly 131. The protruding portion 1329 as the air guide ring air inlet end 1325 can be understood as the protruding portion 1329 surrounding the air inlet of the air flow channel of the air guide ring 132, and the inner wall surface of the protruding portion 1329 (the inner peripheral surface of the protruding portion 1329 facing the air flow channel) is aligned and connected with the inner wall surface of the main body portion of the cover body portion 1321. Along the flow direction of the air flow, the inner wall surface of the protruding portion 1329 can be tapered to improve the guiding effect of the air flow and reduce noise.

[0189] Referring to FIGS. 4 and 5, when the air flow guide mechanism 130 is assembled with the first wall 1101, the assembly portion 1322 can be attached to the first wall, the impeller assembly 131 is located on the side of the assembly portion 1322 away from the first wall 1101, and the protruding portion 1329 can be inserted into the first air vent. The protruding portion 1329 can make the air flow more smoothly to the air flow guide mechanism 130, reduce the pressure loss of the air flow, and improve the guiding efficiency of the air flow guide mechanism 130.

[0190] According to some embodiments of the present application, as shown in FIGS. 9 to 15, the impeller 1312 is provided with a blocking portion 136 protruding from the outer peripheral wall of the impeller 1312.

[0191] The outer peripheral wall of the impeller 1312 refers to the wall surface of the peripheral wall of the impeller 1312 facing outward, which forms two opposite sides of the peripheral wall of the impeller 1312 with the inner peripheral wall of the impeller 1312. The blocking portion 136 is arranged to protrude outward from the outer peripheral wall of the impeller 1312. It can be understood that at least part of the blocking portion 136 is arranged outward relative to the outer peripheral wall (the outer peripheral wall of the impeller 1312) along the radial direction of the impeller 1312. The blocking portion 136 can be arranged in one or multiple along the axial direction of the impeller 1312. Each blocking portion 136 can be arranged in a full circle or only a part of a circle (for example, half a circle, 1 / 4 of a circle, etc.) along the circumferential direction of the impeller 1312. The blocking portion 136 can be integrally formed with the impeller 1312 or connected to the impeller 1312 in an integrated structure by welding or other methods. Of course, the blocking portion 136 can also be fixedly connected to the impeller 1312 in other ways.

[0192] Optionally, in some embodiments, a plurality of blocking portions 136 are arranged along the axial direction of the impeller 1312. In adjacent two blocking portions 136, the protruding height of the blocking portion 136 close to the impeller air inlet end 1316 is smaller than that of the blocking portion 136 close to the impeller air inlet end 1316. In this embodiment, the closer to the impeller air inlet end 1316, the higher the protruding height of the blocking portion 136, which can further stop the airflow flowing backward from the impeller air outlet end 1317.

[0193] The heat exchange assembly of the present embodiment can stop the airflow flowing backward from the outside of the impeller 1312, reduce the possibility that the airflow (airflow flowing out of the air outlet of the impeller 1312) flows backward through the gap between the air guide ring 132 and the connection position of the impeller 1312 to re-enter the impeller 1312, thereby causing the airflow in the impeller 1312 to separate and become turbulent, and further reduce the noise of the airflow. The airflow guiding mechanism 130 and the overall operation noise of the heat exchange equipment using the airflow guiding mechanism 130 are reduced.

[0194] According to some embodiments of the present application, the impeller air inlet end 1316 is provided with a blocking portion 136.

[0195] The impeller air inlet end 1316 includes the circumferential wall close to the end surface of the impeller 1312 and the end surface of the air inlet end. That is, the blocking portion 136 can be arranged on at least one of the circumferential wall or the end surface of the impeller 1312 close to the air guide ring 132. Optionally, the blocking portion 136 can be arranged on the circumferential wall corresponding to the connection position of the impeller 1312 and the air guide ring 132. Specifically, the blocking portion 136 can be a structure formed by outwardly folding the end surface of the impeller air inlet end 1316.

[0196] The air flow guiding mechanism 130 of the embodiment blocks the air flow backflowing to the impeller air inlet end 1316 by arranging a blocking part 136 at the impeller air inlet end 1316. The blocking part 136 can directly block and interfere with the air flow backflowing to the impeller air inlet end 1316, reduce the air flow backflowing from the impeller air outlet end 1317 to the impeller assembly 131 through the impeller air inlet end 1316, and reduce the operation noise of the air flow guiding mechanism 130.

[0197] According to some embodiments of the present application, the blocking part 136 and the impeller 1312 are an integral structure, as shown in FIGS. 11 and 12.

[0198] The blocking part 136 can be integrally formed with the impeller 1312 in a pouring / injection molding manner, or can be integrally connected in a welding manner. Alternatively, the blocking part 136 can be a structure formed by the outer peripheral wall of the impeller 1312 protruding outward, or can be a flange structure formed by the end of the impeller 1312 being folded outward.

[0199] The blocking part 136 and the impeller 1312 are arranged as an integral structure, and the blocking part 136 and the outer peripheral wall of the impeller 1312 can be seamlessly connected, improving the blocking effect of the blocking part 136 on the air flow.

[0200] According to some embodiments of the present application, the blocking part 136 is arranged in a closed loop around the outer peripheral wall (the outer peripheral wall of the impeller 1312) in the circumferential direction of the impeller 1312, as shown in FIGS. 11 to 15.

[0201] That is, the blocking part 136 is arranged in a circle on the outer peripheral part in the circumferential direction of the impeller 1312. It should be noted that when the blocking part 136 is arranged in multiple in the axial direction of the impeller 1312, one of the blocking parts 136 can be arranged in a circle, and the other blocking parts 136 can be arranged in a circle, or can be arranged locally in the circumferential direction.

[0202] Alternatively, the blocking part 136 can be arranged at any position in the circumferential direction of the impeller 1312, and can be attached to or integrated with the outer peripheral wall of the impeller 1312, so that the blocking part 136 and the outer peripheral wall of the impeller 1312 are seamlessly connected, reducing the possibility of air flow backflowing to the impeller air inlet end 1316 along the surface of the outer peripheral wall of the impeller 1312.

[0203] The air flow guiding mechanism 130 of the embodiment can block the air flow at any position in the circumferential direction of the impeller 1312, reducing the possibility of the air flow backflowing from the impeller air outlet end 1317 to the impeller assembly 131 through the impeller air inlet end 1316, and reducing the operation noise of the air flow guiding mechanism 130.

[0204] According to some embodiments of the present application, the blocking portion 136 optionally comprises a first stop segment 1361, one end of the first stop segment 1361 is connected with the outer peripheral wall (the outer peripheral wall of the impeller 1312), the first stop segment 1361 is arranged to protrude from the outer peripheral wall (the outer peripheral wall of the impeller 1312) along the radial direction of the impeller 1312, or the first stop segment 1361 is arranged to gradually approach the air outlet end 1317 of the impeller from one end connected with the outer peripheral wall (the outer peripheral wall of the impeller 1312) to the other end away from the outer peripheral wall (the outer peripheral wall of the impeller 1312).

[0205] Optionally, in one implementation, the first stop segment 1361 is arranged to protrude from the outer peripheral wall (the outer peripheral wall of the impeller 1312) along the radial direction of the impeller 1312. That is, the protruding direction of the first stop segment 1361 is substantially the same as the radial direction of the impeller 1312, the protruding direction of the first stop segment 1361 is substantially perpendicular to the axial direction of the impeller 1312, and the first stop segment 1361 is perpendicular to the outer peripheral wall (the outer peripheral wall of the impeller 1312) of the impeller 1312.

[0206] Optionally, in another implementation, the end of the first stop segment 1361 away from the outer peripheral wall (the outer peripheral wall of the impeller 1312) is arranged closer to the air outlet end 1317 of the impeller than the end of the first stop segment 1361 connected with the outer peripheral wall (the outer peripheral wall of the impeller 1312). Optionally, the first stop segment 1361 can gradually change, that is, the first stop segment 1361 can be arranged to gradually approach the air outlet end 1317 of the impeller from one end connected with the outer peripheral wall (the outer peripheral wall of the impeller 1312) to the other end away from the outer peripheral wall (the outer peripheral wall of the impeller 1312). Specifically, as shown in FIG. 16, in some specific implementations, the first stop segment 1361 can be arranged to be inclined towards the side where the air outlet end 1317 of the impeller is located from one end connected with the outer peripheral wall (the outer peripheral wall of the impeller 1312) to the other end away from the outer peripheral wall (the outer peripheral wall of the impeller 1312), that is, the protruding direction of the first stop segment 1361 is inclined relative to the radial direction of the impeller 1312, and the first stop segment 1361 is inclined towards the air inlet end 1316 of the impeller. In another implementation, the first stop segment 1361 can be arranged to be arc-shapedly curved towards the side where the air outlet end 1317 of the impeller is located from one end connected with the outer peripheral wall (the outer peripheral wall of the impeller 1312) to the other end away from the outer peripheral wall (the outer peripheral wall of the impeller 1312).

[0207] The first stop segment 1361 of the airflow guiding mechanism 130 is arranged substantially perpendicularly to the outer circumferential wall (the outer circumferential wall of the impeller 1312) or gradually approaches the air outlet end 1317 of the impeller, the protruding direction A of the first stop segment 1361 and the flow direction B of the airflow from the air outlet end 1317 of the impeller are at an angle a of less than or equal to 90 degrees, which can effectively stop the reverse airflow and further reduce the possibility of the airflow from the air outlet end 1317 of the impeller flowing back to the impeller assembly 131 through the air inlet end 1316 of the impeller, thereby reducing the operation noise of the airflow guiding mechanism 130.

[0208] According to some embodiments of the present application, the blocking part 136 includes a first stop segment 1361, which is arranged to be folded radially outward from the outer circumferential wall of the impeller 1312.

[0209] As shown in FIGS. 11-16, the first stop segment 1361 can be folded radially outward from the outer circumferential wall of the air inlet end 1316 of the impeller. Alternatively, the first stop segment 1361 can also be folded radially outward from the outer circumferential wall of the air outlet end 1317 of the impeller.

[0210] The first stop segment 1361 is folded from the outer circumferential wall of the impeller 1312, which has a simple structure and is integrated with the first stop segment 1361, thereby reducing the possibility of reverse airflow from the connection between the outer circumferential wall of the impeller 1312 and the first stop segment 1361, further reducing the possibility of the airflow from the air outlet end 1317 of the impeller flowing back to the impeller assembly 131 through the air inlet end 1316 of the impeller, and reducing the operation noise of the airflow guiding mechanism 130.

[0211] According to some embodiments of the present application, as shown in FIG. 17, the blocking part 136 further includes a second stop segment 1362, one end of the first stop segment 1361 away from the outer circumferential wall (the outer circumferential wall of the impeller 1312) is connected to one end of the second stop segment 1362, and the second stop segment 1362 is located on the side of the first stop segment 1361 close to the air outlet end 1317 of the impeller along the axial direction of the impeller 1312, the second stop segment 1362 is arranged at an acute angle, a right angle or an obtuse angle with the first stop segment 1361, and the second stop segment 1362 is spaced apart from the outer circumferential wall (the outer circumferential wall of the impeller 1312).

[0212] The first stop section 1361 can be a straight section or a curved or bent meandering section along the radial direction of the impeller 1312. The second stop section 1362 can be a straight section or a curved or bent meandering section along the radial direction of the impeller 1312. The first stop section 1361 can be connected with the second stop section 1362 at any position along the circumferential direction of the impeller 1312, or the first stop section 1361 can be connected with the second stop section 1362 at a partial position along the circumferential direction of the impeller 1312. The first stop section 1361 and the second stop section 1362 can be an integral structure. The first stop section 1361 and the second stop section 1362 can be directly connected in a straight or bent manner, or can be connected in an arc-shaped section or other transition bent manner.

[0213] The first stop section 1361 is away from the outer circumferential wall (the outer circumferential wall of the impeller 1312) along the radial direction of the impeller 1312, that is, the outer end of the first stop section 1361 along the radial direction of the impeller 1312.

[0214] The side of the first stop section 1361 close to the impeller air outlet end 1317 refers to the side of the first stop section 1361 facing the impeller air outlet end 1317. The second stop section 1362 is spaced apart from the outer circumferential wall (the outer circumferential wall of the impeller 1312), that is, a gap for airflow to enter is provided between the second stop section 1362 and the outer circumferential wall (the outer circumferential wall of the impeller 1312). Specifically, as shown in FIG. 17, the second stop section 1362 can be spaced apart from the outer circumferential wall (the outer circumferential wall of the impeller 1312) at any position from the end away from the first stop section 1361 to the end connected with the first stop section 1361, so that the reverse flow of airflow from the impeller air outlet end 1317 can enter between the second stop section 1362 and the outer circumferential wall (the outer circumferential wall of the impeller 1312).

[0215] In some implementations, the second stop section 1362 is arranged at an acute angle with the first stop section 1361, that is, along the axial direction of the impeller 1312, the end of the second stop section 1362 connected with the first stop section 1361 is closer to the outer circumferential wall (the outer circumferential wall of the impeller 1312) than the end of the second stop section 1362 away from the first stop section 1361 (which is the end of the second stop section 1362 close to the impeller air outlet end 1317).

[0216] In some implementations, the second stop section 1362 is arranged at an obtuse angle with the first stop section 1361, that is, along the axial direction of the impeller 1312, the end of the second stop section 1362 connected with the first stop section 1361 is farther away from the outer circumferential wall (the outer circumferential wall of the impeller 1312) than the end of the second stop section 1362 away from the first stop section 1361 (which is the end of the second stop section 1362 close to the impeller air outlet end 1317).

[0217] In some implementations, as shown in FIG. 17, the second stop segment 1362 is bent at a right angle with the first stop segment 1361, that is, the second stop segment 1362 is arranged perpendicularly with the first stop segment 1361.

[0218] In the air flow guide mechanism 130 of the embodiment, the second stop segment 1362 is arranged on the side of the first stop segment 1361 close to the impeller outflow end 1317, and the second stop segment 1362 is arranged spaced apart from the outer peripheral wall (the outer peripheral wall of the impeller 1312). The second stop segment 1362 can cooperate with the first stop segment 1361 to form a stop groove with an opening facing the impeller outflow end 1317. Under the restriction of the second stop segment 1362, the stop effect on the air flow flowing reversely from the impeller outflow end 1317 can be further improved, the possibility of the air flow discharged from the impeller outflow end 1317 flowing reversely to the impeller assembly 131 through the impeller inflow end 1316 can be further reduced, and the operation noise of the air flow guide mechanism 130 can be reduced.

[0219] According to some embodiments of the present application, as shown in FIG. 17, the blocking part 136 further includes a second stop segment 1362, which is arranged to be folded from the outer end of the first stop segment 1361 in the radial direction of the impeller 1312 to the axial direction of the impeller 1312.

[0220] The second stop segment 1362 is folded from the first stop segment 1361, which is simple in structure and convenient to process. Moreover, the connection between the second stop segment 1362 and the first stop segment 1361 is an integral structure, which reduces the possibility of the air flow flowing reversely from the connection between the second stop segment 1362 and the first stop segment 1361, further reduces the possibility of the air flow discharged from the impeller outflow end 1317 flowing reversely to the impeller assembly 131 through the impeller inflow end 1316, and reduces the operation noise of the air flow guide mechanism 130.

[0221] According to some embodiments of the present application, as shown in FIGS. 11 and 12, the flow passage cross section of the air guide ring 132 is arranged to be tapered in the direction from the air ring inflow end 1325 to the air ring outflow end 1326.

[0222] The direction from the air ring inflow end 1325 to the air ring outflow end 1326 is also the flow direction of the air flow. In the flow direction of the air flow, the air guide ring 132 can be at least partially arranged to be tapered, so that the flow area of the air flow gradually decreases, to improve the air guide effect on the air flow.

[0223] Optionally, in some implementations, the air guide ring 132 includes a first air guide section 1323 and a second air guide section 1324, and the flow passage cross section of the first air guide section 1323 is arranged to be tapered in the direction from the air guide ring air inlet end 1325 to the air guide ring air outlet end 1326, the air outlet end of the first air guide section 1323 is arranged to be connected and communicated with the air inlet end of the second air guide section 1324, and the second air guide section 1324 is a straight cylinder section and is inserted into the impeller air inlet end 1316.

[0224] The flow passage cross section can be understood as,

[0225] The flow passage cross section is the cross section of the area through which the air flow passes, which can be the cross section of the air guide ring 132 in the axial direction of the air guide ring 132. Specifically, the flow passage cross section of the first air guide section 1323 is the cross section of the air flow passage formed by the first air guide section 1323 in the axial direction of the first air guide section 1323; and the flow passage cross section of the second air guide section 1324 is the cross section of the air flow passage formed by the second air guide section 1324 in the axial direction of the second air guide section 1324.

[0226] The direction from the air guide ring air inlet end 1325 to the air guide ring air outlet end 1326 is also the flow direction of the air flow in the air guide ring 132. In the flow direction of the air flow, the flow passage cross section of the first air guide section 1323 is tapered, which can better guide the air flow. The first air guide section 1323 can be a section with the same flow passage cross section change rate, or can include multiple sub-sections with different flow passage cross section change rates. Optionally, in some embodiments, the first air guide section 1323 includes a first sub-section 1327 and a second sub-section 1328, and the first sub-section 1327, the second sub-section 1328, and the second air guide section 1324 are sequentially connected and communicated in the flow direction of the air flow, the flow passage cross section change rate of the first sub-section 1327 is greater than that of the second sub-section 1328, that is, the first sub-section 1327 is more obviously tapered than the second sub-section 1328, for example, in the axial direction, the first sub-section 1327 and the second sub-section 1328 are both arranged to be arc-shaped and tapered, and the curvature of the first sub-section 1327 is greater than that of the second sub-section 1328. By making the flow passage cross section change rate near the air inlet end greater than that near the air outlet end, the air flow guiding effect can be improved and the noise can be reduced.

[0227] The air outlet end of the second air guide section 1324 is arranged to be connected and communicated with the air inlet end of the second air guide section 1324, which can be understood as that the flow passage cross section of the second air guide section 1324 is substantially the same as the flow passage cross section of the air outlet end of the first air guide section 1323 in terms of area and shape, so that the air outlet end of the first air guide section 1323 is connected with the air inlet end of the second air guide section 1324, and the air flow can flow smoothly at this position.

[0228] The second air guide section 1324 is a straight cylinder section. It can be understood that the shape and area of the flow section of the second air guide section 1324 remain unchanged from the air inlet end to the air outlet end. The second air guide section 1324 is arranged as a straight cylinder section and is used to be inserted into the air inlet end 1316 of the impeller. This can improve the matching degree between the second air guide section 1324 and the impeller 1312, reduce the gap between the air guide ring 132 and the impeller 1312 in the radial direction, reduce the flow of air (air flowing out of the air outlet of the impeller 1312) flowing back through the gap between the air guide ring 132 and the impeller 1312 and then entering the impeller 1312 again, and reduce noise. It should be noted that the air inlet end 1316 of the impeller 1312 can be arranged as a straight cylinder section to better match the second air guide section 1324.

[0229] The structure of the air guide ring 132 of the air flow guide mechanism 130 can not only play a good guiding effect, but also reduce the flow of air (air flowing out of the air outlet of the impeller 1312) flowing back through the gap between the air guide ring 132 and the impeller 1312 and then entering the impeller 1312 again, and reduce noise.

[0230] According to some embodiments of the present application, as shown in FIGS. 11-17, along the axial direction of the impeller 1312, the two ends of the blade 1313 do not exceed the end surface of the corresponding end of the impeller 1312.

[0231] The two ends of the blade 1313 do not exceed the end surface of the corresponding end of the impeller 1312. It can be understood that the blade 1313 is entirely located within the axial dimension of the impeller 1312. The end surface of the blade 1313 facing the air outlet end 1317 of the impeller can be flush with or located inside the air outlet end 1317 of the impeller. The end surface of the blade 1313 facing the air inlet end 1316 of the impeller can be flush with or located inside the air inlet end 1316 of the impeller. The blade 1313 is entirely located within the axial dimension of the impeller 1312, which can improve the cooperation between the blade and the impeller 1312 and improve the guiding ability of the air flow guide mechanism 130.

[0232] According to some embodiments of the present application, as shown in FIGS. 11-17, along the axial direction of the impeller 1312, the distance between the blade 1313 and the end surface of the air outlet end 1317 of the impeller is a first size, and the distance between the blade 1313 and the end surface of the air inlet end 1316 of the impeller is a second size L. The first size is smaller than the second size L.

[0233] Optionally, along the axial direction of the impeller 1312, the two ends of the blade 1313 do not protrude beyond the end surface of the corresponding end of the impeller 1312, and the first size is smaller than the second size L. The first size is the interval distance between the end surface of the blade 1313 facing the outflow end 1317 of the impeller and the end surface of the outflow end 1317 of the impeller along the axial direction of the impeller 1312. The second size L is the interval distance between the end surface of the blade 1313 facing the inflow end 1316 of the impeller and the end surface of the inflow end 1316 of the impeller along the axial direction of the impeller 1312. It should be noted that the first size can be zero (i.e., the blade 1313 is flush with the end surface of the outflow end 1317 of the impeller) or a positive number. Since the first size is smaller than the second size L, the second size L is a positive number, and therefore the end surface of the impeller 1312 facing the inflow end 1316 of the impeller is located inside the inflow end 1316 of the impeller. It can be understood that the second size L is larger, which can provide assembly space for the air guide ring 132, so that the air guide ring 132 can be inserted into the inflow end of the impeller 1312 without interfering with the blade 1313 in the axial direction. The first size is smaller, which can make the outflow end 1317 of the impeller have a higher airflow pressure, which is conducive to promoting the rapid flow of airflow.

[0234] According to some embodiments of the present application, optionally, referring to FIGS. 9-11, and in combination with FIG. 18, the air guide ring 132 further comprises an assembly portion 1322, and the outer wall surface of the air guide ring inflow end 1325 is connected with the assembly portion 1322. The assembly portion 1322 extends outwardly along the radial direction of the impeller 1312, and the assembly portion 1322 is used to be connected with the first wall 1101.

[0235] According to some embodiments of the present application, optionally, the assembly portion 1322 can be provided with a porous sound-absorbing structure. The porous sound-absorbing structure can be attached to the side of the assembly portion 1322 away from the outer wall surface 1107. The porous sound-absorbing structure 170 connected to the outer wall surface 1107 of the first wall 1101 and the porous sound-absorbing structure connected to the assembly portion 1322 can be an integral structure, that is, the porous sound-absorbing structure 170 of the outer wall surface 1107 can extend from the outer wall surface 1107 to the assembly portion 1322.

[0236] It can be understood that the assembly portion 1322 is provided with the porous sound-absorbing structure 170, which can improve the noise reduction effect of the heat exchange assembly 101.

[0237] According to some embodiments of the present application, optionally, as shown in FIG. 5, the surrounding frame 141 is spaced apart from the airflow guiding mechanism 130.

[0238] That is, along the direction parallel to the first wall 1101, there is a gap between the surrounding frame 141 and the airflow guiding mechanism 130.

[0239] Optionally, the frame 141 can be spaced apart from the airflow guiding mechanism 130 at any position in the circumferential direction.

[0240] The present embodiment is advantageous in that the airflow guiding mechanism 130 is spaced apart from the frame 141, which facilitates the arrangement of the airflow guiding mechanism 130, facilitates the flow of the airflow, and facilitates the increase of the volume of the sound absorption cavity 111, thereby improving the noise reduction effect.

[0241] As shown in FIGS. 3-9, the present embodiment provides a heat exchange assembly 101, which includes a housing 110, a first heat exchanger 120, a crossflow fan, and a soundproof cover 140. The housing 110 has a receiving cavity 1106, and the first heat exchanger 120 is arranged in the receiving cavity 1106. The housing 110 has a first wall 1101 surrounding the receiving cavity 1106, and the first wall 1101 is provided with two first air vents 112. Each first air vent 112 is provided with a crossflow fan. Two side walls of the housing 110 adjacent to the first wall 1101 are a second wall 1102 and a third wall 1103, respectively. The top wall 1104, the second wall 1102, and the third wall 1103 of the housing 110 are provided with a second air vent 113, and the second air vent 113 is provided with a mesh structure 114. The first air vent 112 is an air outlet, and the second air vent 113 is an air inlet. The first heat exchanger 120 is arranged in the receiving cavity 1106 and is spaced apart from the first wall 1101. The first heat exchanger 120 is located between the first air vent 112 and the second air vent 113, so as to facilitate heat exchange with the external airflow. The side of the first wall 1101 away from the receiving cavity 1106 is an outer wall surface 1107. The soundproof cover 140 is connected to the first wall 1101. The soundproof cover 140 includes a frame 141, which is arranged to protrude from the outer wall surface 1107. The outer wall surface 1107 and the frame 141 surround a sound absorption cavity 111 having an opening. The first air vent 112 communicates the receiving cavity 1106 with the sound absorption cavity 111, and the opening of the sound absorption cavity 111 is in communication with the outside.

[0242] The frame 141 comprises a first plate body 1411, a second plate body 1412, a third plate body 1413 and a fourth plate body 1414 which are connected in a sealed manner at the head and tail. The first plate body 1411, the second plate body 1412, the third plate body 1413 and the fourth plate body 1414 are closed steel plates at the part of the first wall 1101 surrounding the first air vent 112. The two cross-flow fans are located in the space surrounded by the frame 141, and the two cross-flow fans are arranged in a spaced manner, and the two cross-flow fans are arranged in a spaced manner with the frame 141. The cross-flow fan comprises a wind guide ring 132, an impeller assembly 131 and a protective mesh cover 135. The wind guide ring 132 is arranged in the first air vent 112, and part of the wind guide ring 132 protrudes from the outer wall surface 1107. The outer peripheral wall of the wind guide ring 132 is provided with an assembly part 1322, and the assembly part 1322 is connected to the outer wall surface 1107. The airflow guiding mechanism 130 further comprises a protective mesh cover 135, which is arranged on part of the protruding outer wall surface 1107 of the wind guide ring 132 and is fixedly connected with the assembly part 1322. The first plate body 1411, the second plate body 1412, the third plate body 1413, the fourth plate body 1414, the outer wall surface 1107 (the outer wall surface 1107 of the first wall 1101) and the assembly part 1322 are all pasted with sound-absorbing cotton, and the grammage of the sound-absorbing cotton can be about 600. The sound-absorbing cotton can be fixed by gluing and cooperating with the fastener 171. The frame 141 is arranged in a spaced manner with the protective mesh cover 135.

[0243] Optionally, the first wall 1101 can be provided with an indicator light 400, which is used to indicate the running state of the heat exchange assembly 101, so that personnel can understand the running state of the heat exchange assembly 101 from the outside of the heat exchange assembly 101. The indicator light 400 can be arranged on the outer wall surface of the first wall 1101 through a support.

[0244] According to some embodiments of the present application, optionally, as shown in FIGS. 19-22, FIG. 19 is a structural schematic diagram of a heat exchange assembly according to some embodiments of the present application, FIG. 20 is a structural schematic diagram of a sound insulation cover according to some embodiments of the present application, FIG. 21 is a sectional view of the sound insulation cover according to some embodiments of the present application, and FIG. 22 is an enlarged view of part E of FIG. 21. The sound insulation cover 140 comprises a ventilation structure 142, which is arranged corresponding to the first wall 1101. The ventilation structure 142 comprises a plurality of air guide pieces 143 arranged in a spaced manner along a first direction Z, and has ventilation gaps 1436 between adjacent air guide pieces 143. Each air guide piece 143 is arranged to extend in a second direction Y in a zigzag manner, and the first direction Z intersects the second direction Y.

[0245] The ventilation structure 142 forms a ventilation opening of the sound insulation cover 140, and a ventilation gap 1436 of the ventilation structure 142 is in communication with the inside and outside of the sound insulation cover 140. Air flow can enter or exit the sound insulation cover 140 from the ventilation gap 1436. Specifically, when the air flow guide mechanism 130 guides air flow to enter the accommodating cavity of the shell 110 from the sound insulation cover 140, the ventilation structure 142 is an air inlet structure. When the air flow guide mechanism 130 guides air flow to exit from the accommodating cavity of the shell 110 through the sound insulation cover 140, the ventilation structure 142 is an air outlet structure.

[0246] The ventilation structure 142 can be arranged inside the surrounding frame 141. In this case, the surrounding frame 141 can be arranged in an elongated manner. Alternatively, as shown in FIGS. 19-21, the sound insulation cover 140 can also be independently provided with a surrounding plate 144 corresponding to the ventilation structure 142. The surrounding plate 144 is fixedly connected to the surrounding frame 141 and arranged around the ventilation structure 142. The surrounding plate 144 can also surround the sound absorption cavity 111.

[0247] The first direction Z can be any direction substantially parallel to the wall surface of the first wall 1101. For example, the first direction Z can be the height direction of the first wall 1101 (which can be understood with reference to the vertical direction in FIGS. 19 and 20), or the first direction Z can be the width direction of the first wall 1101 (which can be understood with reference to the third direction X of the first wall 1101 in FIG. 19). The second direction Y can be the arrangement direction of the first wall 1101 to the sound insulation cover 140. Specifically, the second direction Y can be understood as the direction of the first wall 1101 towards the sound insulation cover 140, which is substantially consistent with the axis direction of the first ventilation opening 112 and substantially perpendicular to the wall surface of the first wall 1101. Alternatively, the second direction Y can also be another direction intersecting the first direction Z.

[0248] The air guide piece 143 can be a plate-shaped structure. The plate surface of the air guide piece 143 is arranged in a zigzag manner along the second direction Y. Specifically, the air guide piece 143 can be arranged in an arc-shaped bend, or designed to have a certain angle (greater than zero and less than 180 degrees). The air guide piece 143 can be partially arranged in an arc-shaped bend and partially designed to have a certain angle along the second direction Y.

[0249] As shown in FIGS. 19-21, the direction of the undulating bending of the air guide 143 (i.e., the direction of the concave-convex of the air guide 143) can be consistent with the first direction Z, that is, the air guide 143 undulates and bends in the first direction Z, that is, the air guide plate is concave or convex in the first direction Z, so that the air guide 143 extends in the second direction Y. Alternatively, the direction of the undulating bending of the air guide 143 (i.e., the direction of the concave-convex of the air guide 143) can also be consistent with the third direction X, that is, the air guide 143 undulates and bends in the third direction X, that is, the air guide plate is concave or convex in the third direction X, so that the air guide 143 extends in the second direction Y. Of course, the air guide 143 can also be arranged to undulate in the first direction Z and bend in the third direction X. The third direction X is a direction that intersects both the first direction Z and the second direction Y.

[0250] The size of the ventilation gap 1436 between the same group of two adjacent air guides 143 in the first direction Z can be substantially the same from the first end to the second end in the second direction Y, or can be different, for example, the size of the ventilation gap 1436 gradually decreases in the second direction Y. The size of the plurality of ventilation gaps 1436 in the first direction Z can be the same or different. The direction of the undulating bending of the plurality of air guides 143 can be the same or different, and the plurality of air guides 143 can be the same bending shape or different bending shapes.

[0251] In one specific embodiment, as shown in FIGS. 19-21, optionally, the first direction Z is the height direction of the first wall 1101 (i.e., the vertical direction of the shell 110), the third direction X is the width direction of the first wall 1101, and the second direction Y is the direction perpendicular to the wall surface of the first wall 1101 (i.e., the thickness direction of the shell 110), the first direction Z, the second direction Y, and the third direction X are substantially perpendicular to each other, the air guides 143 are arranged in the first direction Z, each air guide 143 extends in the second direction Y, and each air guide 143 undulates and bends in the first direction Z, the air guides 143 are arranged in a straight line in the third direction X, and the plurality of air guides 143 form a ventilation structure 142 similar to a louver. The size of the ventilation gap 1436 between the same group of two adjacent air guides 143 in the first direction Z is substantially the same, and the plurality of air guides 143 are the same shape.

[0252] The ventilation structure 142 of the sound insulation cover 140 can meet the air inlet and outlet requirements of the equipment. When the noise generated by the air flow guiding mechanism 130 and other noises propagate to the sound insulation cover 140, the sound insulation cover 140 can isolate and reduce the noise to a certain extent. In addition, the air guide piece 143 is arranged in a zigzag manner. The air guide piece 143 can reduce the noise generated by the air flow by changing the direction of the air flow and reducing the speed of the air flow. In addition, the noise can be repeatedly blocked and reflected at the bending or folding parts of the air guide piece 143, thereby attenuating the noise and reducing the noise transmitted to the outside, thereby improving the control ability of the noise.

[0253] According to some embodiments of the present application, the air guide piece 143 comprises a multi-segment structure, so that the air flow flows along the multi-segment structure from the air flow inlet of the ventilation gap to the air flow outlet of the ventilation gap, and the air flow path is longer than the straight line distance from the air flow inlet to the air flow outlet.

[0254] The air flow path is the actual flow path of the air flow, that is, the path of the air flow from the air flow inlet to the air flow outlet through the surface of the multi-segment structure. The air flow path is longer than the straight line distance from the air flow inlet to the air flow outlet, which means that the multi-segment structure of the air guide piece extends in a zigzag manner, and the air flow flows along a curved or zigzag path, so that the actual flow path of the air flow is longer than the straight line distance from the air flow inlet to the air flow outlet.

[0255] It should be noted that in the present embodiment, the direction from the air flow inlet to the air flow outlet can be understood as the second direction Y.

[0256] The air guide piece 143 is arranged in a multi-segment structure, so that the air guide piece extends in a zigzag manner from the air flow inlet to the air flow outlet. The multi-segment structure lengthens the air flow path and increases the noise reduction area, thereby facilitating the reduction of noise transmitted outward by the heat exchange assembly and improving the operating environment of the heat exchange assembly.

[0257] According to some embodiments of the present application, as shown in FIG. 21, the air guide piece 143 comprises a first air guide part 1431 and a second air guide part 1432, and the first air guide part 1431 and the second air guide part 1432 are connected at an obtuse angle along the second direction Y.

[0258] The first air guide part 1431 and the second air guide part 1432 can be plate-shaped structures. The first air guide part 1431 and the second air guide part 1432 are arranged in sequence along the second direction Y, and one end of the first air guide part 1431 is connected to one end of the second air guide part 1432. The first air guide part 1431 and the second air guide part 1432 can be an integral structure, for example, the first air guide part 1431 and the second air guide part 1432 are formed by bending a mold plate, or the first air guide part 1431 and the second air guide part 1432 can be connected as an integral structure by welding or the like. The first air guide part 1431 and the second air guide part 1432 can be connected in an arc shape, or can be directly connected in a straight shape.

[0259] The angle between the first air guide part 1431 and the second air guide part 1432 can be 95 degrees, 100 degrees, 110 degrees, 120 degrees, 130 degrees, 140 degrees, 150 degrees, 160 degrees, etc. Considering the smoothness of air guiding and the noise reduction effect, the angle between the first air guide part 1431 and the second air guide part 1432 can be set to between 120 degrees and 150 degrees.

[0260] The first air guide part 1431 and the second air guide part 1432 can each extend substantially linearly along the third direction X. The plurality of air guide parts 143 can all be structures including the first air guide part 1431 and the second air guide part 1432, the first air guide parts 1431 of the plurality of air guide parts 143 can be arranged in parallel, the second air guide parts 1432 of the plurality of air guide parts 143 can be arranged in parallel with each other, and the first air guide part 1431 and the second air guide part 1432 of the plurality of air guide parts 143 form a ventilation gap 1436 that communicates with each other between two adjacent first air guide parts 1431 along the first direction Z and between two adjacent second air guide parts 1432.

[0261] In this embodiment, the first air guide part 1431 and the second air guide part 1432 of the air guide part 143 are connected at an obtuse angle, and when the airflow flows from the first air guide part 1431 and the second air guide part 1432, the flow direction changes relatively smoothly, which can reduce the flow resistance, and at the same time, a better noise reduction effect can be achieved.

[0262] It should be noted that along the second direction Y, the air guide part 143 can only be provided with one bending part, i.e., the first air guide part 1431 and the second air guide part 1432 constitute the air guide part 143. Alternatively, the air guide part 143 can also be provided with other air guide parts on the basis of the first air guide part 1431 and the second air guide part 1432, and form a plurality of bending parts.

[0263] Continuing to refer to FIG. 21, according to some embodiments of the present application, optionally, in some implementations, the air guide part 143 further includes a third air guide part 1433, and along the second direction Y, the first air guide part 1431, the second air guide part 1432, and the third air guide part 1433 are connected in sequence at an obtuse angle.

[0264] In the second direction Y, the first air guide part 1431, the second air guide part 1432 and the third air guide part 1433 are sequentially arranged and connected, the first air guide part 1431 and the second air guide part 1432 form a bending part, and the connection position of the second air guide part 1432 and the third air guide part 1433 forms another bending part. The first air guide part 1431, the second air guide part 1432 and the third air guide part 1433 can be an integral structure, for example, the first air guide part 1431, the second air guide part 1432 and the third air guide part 1433 are formed by bending a mold plate, or the first air guide part 1431, the second air guide part 1432 and the third air guide part 1433 can also be an integral structure connected by welding or the like. The first air guide part 1431 and the second air guide part 1432 can be connected by arc transition, or can be directly connected by straight bending; the second air guide part 1432 and the third air guide part 1433 can be connected by arc transition, or can be directly connected by straight bending.

[0265] As shown in FIG. 21, the first air guide part 1431 and the third air guide part 1433 can be arranged on the same side of the second air guide part 1432, that is, the two ends of the second air guide part 1432 are bent to form the first air guide part 1431 and the third air guide part 1433 respectively. Alternatively, the first air guide part 1431 and the third air guide part 1433 can also be arranged on different sides of the second air guide part 1432, that is, the two ends of the second air guide part 1432 are bent to form the first air guide part 1431 and the second air guide part 1432 respectively.

[0266] It should be noted that the angle between the first air guide part 1431 and the second air guide part 1432 and the angle between the second air guide part 1432 and the third air guide part 1433 can be the same or different. The angle between the first air guide part 1431 and the second air guide part 1432 can be 95 degrees, 100 degrees, 110 degrees, 120 degrees, 130 degrees, 140 degrees, 150 degrees, 160 degrees, etc., and the angle between the second air guide part 1432 and the third air guide part 1433 can be 95 degrees, 100 degrees, 110 degrees, 120 degrees, 130 degrees, 140 degrees, 150 degrees, 160 degrees, etc. Considering the smoothness of air guide and the noise reduction effect, the angle between the first air guide part 1431 and the second air guide part 1432 and the angle between the second air guide part 1432 and the third air guide part 1433 can be set to 120 degrees to 150 degrees respectively.

[0267] The first air guide part 1431, the second air guide part 1432, and the third air guide part 1433 can all extend substantially linearly along the third direction X. The plurality of air guide parts 143 can all be configured to include the first air guide part 1431, the second air guide part 1432, and the third air guide part 1433. The first air guide parts 1431 of the plurality of air guide parts 143 can be arranged in parallel. The second air guide parts 1432 of the plurality of air guide parts 143 can be arranged in parallel with each other. The third air guide parts 1433 of the plurality of air guide parts 143 can be arranged in parallel. Along the first direction Z, the first air guide parts 1431, the second air guide parts 1432, and the third air guide parts 1433 of adjacent air guide parts 143 form ventilation gaps 1436 that are in communication with each other.

[0268] In this embodiment, the first air guide part 1431, the second air guide part 1432, and the third air guide part of the air guide part 143 are connected at an obtuse angle. When the airflow flows through the air guide part 143, the flow direction changes relatively smoothly, which can reduce the flow resistance. At the same time, the noise is reflected and blocked multiple times, so that the heat exchange assembly has a good noise reduction effect.

[0269] According to some embodiments of the present application, as shown in FIG. 21, the first air guide part 1431 and the third air guide part 1433 are arranged on the same side of the second air guide part 1432.

[0270] It can be understood that the first air guide part 1431 and the third air guide part 1433 are located on the same side of the second air guide part 1432, and the first air guide part 1431, the second air guide part 1432, and the third air guide part 1433 form a semi-enclosed structure. The noise reflected by the first air guide part 1431, the second air guide part 1432, and the third air guide part 1433 can be reflected multiple times in the semi-enclosed structure for noise reduction. In particular, the first air guide part 1431 and the third air guide part 1433 can be inclined relative to each other. The noise entering the ventilation gap 1436 is reflected by the third air guide part 1433 and then impacts the first air guide part 1431, which is reflected again by the first air guide part to the third air guide part 1433. The noise can be reflected multiple times for noise reduction, thereby improving the noise reduction effect of the heat exchange assembly 101.

[0271] According to some embodiments of the present application, as shown in FIG. 21, along the first direction Z, the first air guide part 1431 and the third air guide part 1433 are arranged to be inclined downward relative to the second air guide part 1432.

[0272] That is, the first air guide part 1431 and the third air guide part 1433 can be arranged on the lower side of the second air guide part 1432, and the first air guide part 1431 and the third air guide part 1433 are arranged to be inclined downward.

[0273] The second air guide part 1432 of the heat exchange assembly in this embodiment is arranged at a high position, and the accumulated water can be discharged downward through the first air guide part 1431 and the third air guide part 1433, so that the water discharge performance of the air guide part 143 can be improved, the heat island effect of the air guide part 143 can be reduced, the corrosion rate of the air guide part 143 can be reduced, and the service life of the air guide part 143 can be improved.

[0274] According to some embodiments of the present application, the air guide part 143 is arranged as a porous sound absorbing part.

[0275] The air guide part 143 can be provided with a porous sound absorbing member 1435 at all positions, for example, the air guide part 143 can be an air guide plate made of a porous sound absorbing material. Alternatively, the air guide part 143 can also be provided with a porous sound absorbing material at some positions, for example, as shown in FIGS. 21 and 22, the air guide part 143 includes an air guide base body 1434 and a sound absorbing member 1435 wrapped on the air guide base body 1434, the sound absorbing member 1435 can be sound absorbing cotton, and the air guide base body 1434 can be a closed metal plate such as a steel plate. The sound absorbing cotton can be made of PP (polypropylene) and PET (polyethylene terephthalate) materials, and the surface of the sound absorbing cotton can be wrapped with non-woven fabric to improve the hydrophobic and water discharge performance of the sound absorbing cotton and reduce the possibility of corrosion of the sound absorbing cotton. Alternatively, the sound absorbing cotton can also be made of foamed neoprene rubber.

[0276] In this embodiment, the air guide part 143 is arranged as a porous sound absorbing part, and the noise (including noise generated by the operation of the air flow guide mechanism 130 and noise generated by the flow of air through the first heat exchanger 120, etc.) can be continuously reflected and absorbed by the air guide part 143, thereby improving the noise reduction effect.

[0277] According to some embodiments of the present application, as shown in FIGS. 20 to 22, the circumferential edge of the air guide base body 1434 is provided with a stop part 1437, and the stop part 1437 is stopped at the circumferential edge of the sound absorbing member 1435.

[0278] The stop part 1437 can be arranged along the contour line of the air guide base body 1434, or the stop part 1437 can be arranged at part of the circumferential edge of the air guide base body 1434, for example, the stop part 1437 can be arranged at intervals along the contour line of the air guide base body 1434. In some implementations, the air guide base body 1434 is provided with the stop part 1437 at least at both ends in the second direction Y, and the stop part 1437 is arranged in a strip-shaped flange along the third direction X.

[0279] The stop portion 1437 protrudes from the plate surface of the air guide base body 1434 and is arranged around the outer periphery of the sound absorbing member 1435. The stop portion 1437 can be in an integral structure with the air guide base body 1434, for example, the stop portion 1437 can be a folded edge formed by folding the edge of the air guide base body 1434 to one side. Alternatively, the stop portion 1437 can also be a component connected to the air guide base body 1434 by welding, soldering, fasteners (screws, rivets), etc.

[0280] It can be understood that when the sound absorbing member 1435 is arranged on one side of the plate surface of the air guide base body 1434, the circumferential edge of the air guide base body 1434 can only be provided with the stop portion 1437 on the side where the sound absorbing member 1435 is arranged; when the sound absorbing member 1435 is arranged on both sides of the plate surface of the air guide base body 1434, the circumferential edge of the air guide base body 1434 can be provided with the stop portion 1437 on both sides, and the stop portions 1437 on both sides can respectively cover the circumferential edges of the sound absorbing members 1435 on both sides. The stop portions 1437 on both sides can be in an integral structure or a split structure.

[0281] The air guide member 143 of the heat exchange assembly of the embodiment can reduce the possibility of air flow entering the space between the sound absorbing member 1435 and the air guide base body 1434 from the edge of the sound absorbing member 1435 by arranging the stop portion 1437, thereby reducing the possibility of the edge of the sound absorbing member 1435 being raised. In addition, the sound absorbing member 1435 is fixed by cooperating with the back glue through the stop portion 1437, thereby improving the connection stability of the sound absorbing member 1435 and the air guide base body 1434. At the same time, as shown in FIGS. 19 and 20, the stop portion 1437 can protect the edge of the sound absorbing member 1435, thereby reducing the aging and corrosion problems of the sound absorbing member 1435 caused by sunlight, air, etc. In addition, the stop portion 1437 can also serve as a fixing portion for connecting the air guide base body 1434 and the surrounding plate 144, etc. The air guide base body 1434 can be arranged to be relatively thin, and the stop portion 1437 can improve the connection convenience of the air guide base body 1434 and the surrounding plate 144. Specifically, the surrounding plate 144 can be fixedly connected to the stop portion 1437 by rivets, screws, etc.

[0282] According to some embodiments of the present application, and continuing to refer to FIGS. 19 to 22, the air guide member 143 further comprises a covering portion 1438, and the air guide base body 1434 is covered with the covering portion 1438 at both ends along the second direction Y, and the covering portion 1438 is arranged to at least partially cover the sound absorbing member 1435.

[0283] The air guide base 1434 is provided with a cladding portion 1438 at least at both ends in the second direction Y. The cladding portion 1438 can be connected to the stop portion 1437 at the corresponding position, and at least part of the cladding portion 1438 clads and presses on the side of the sound absorption member 1435 away from the air guide base 1434. Alternatively, the cladding portion 1438 on one side of the plate surface of the air guide base 1434 can be formed by folding over the stop portion 1437. Alternatively, when the sound absorption member 1435 is provided on both sides of the plate surface of the air guide base 1434, a U-shaped groove can be used as the cladding portion 1438, which clads on the end surface of the air guide base 1434, the two side portions of the cladding portion 1438 respectively clads and presses on the sound absorption members 1435 on both sides, and the bottom surface of the cladding portion 1438 is connected to the stop portion 1437 to fix the cladding portion 1438.

[0284] It should be noted that in some other embodiments, the cladding portion 1438 can be directly sleeved and fixed to the sound absorption member 1435. That is, the cladding portion 1438 can not be connected to the stop portion 1437, or the air guide base 1434 can be independently provided with the cladding portion 1438 without the stop portion 1437.

[0285] The cladding portion 1438 can reduce the possibility of the edge of the sound absorption member 1435 being raised, improve the connection stability of the sound absorption member 1435 and the air guide base 1434, and further protect the end of the sound absorption member 1435, thereby reducing the aging and corrosion problems of the sound absorption member 1435 caused by sunlight, air, etc.

[0286] In some embodiments, the air guide base 1434 is inclined downward at both ends in the second direction Y, and the stop portion 1437 and / or the cladding portion 1438 at both ends of the air guide base 1434 in the second direction Y are provided with a drain hole.

[0287] Both ends of the air guide base 1434 in the second direction Y are inclined structures with the end surface at the bottom and the main body portion upward, so that rainwater and the like flows downward along both ends of the air guide base 1434, which is conducive to drainage. The stop portion 1437 is located at the bottom of the air guide base 1434, which is prone to water accumulation. By providing a drain hole, the water in the sound absorption member 1435 can be drained in time. The drain hole is also a ventilation hole, which can improve the ventilation of the sound absorption member 1435, reduce the heat island effect of the sound absorption member 1435, and delay the possibility of corrosion and aging of the sound absorption member 1435.

[0288] Alternatively, in the case where the cladding portion 1438 is provided, the cladding portion 1438 can also have a drain hole, for example, the bottom surface of the cladding portion 1438 corresponding to the stop portion 1437 can be provided with a drain hole.

[0289] Optionally, the bottom wall of the enclosure 141 or the enclosure 144 can also be provided with a drainage hole.

[0290] The embodiment of the present application also provides a storage device 10, comprising a battery 12 and a thermal management system 14, wherein the thermal management system 14 comprises the heat exchange assembly 101 provided by the present application or any embodiment of the present application, and the heat exchange assembly 101 is used for adjusting the temperature of the battery 12.

[0291] Specifically, the heat exchange assembly 101 can adjust the temperature of the battery 12 through the second heat exchanger 180.

[0292] The storage device 10 of the embodiment has the same beneficial effects as the heat exchange assembly 101 provided by the present application or any embodiment of the present application.

[0293] The embodiment of the present application also provides a charging system, comprising a charging pile, and the charging system further comprises the storage device 10 provided by the present application or any embodiment of the present application, wherein the charging pile is electrically connected with the battery 12 of the storage device 10, and the storage device 10 is used for providing electric energy for the charging pile.

[0294] The charging pile refers to a power supply device for providing power supply for an electric device (for example, an electric vehicle) or the like. The storage device 10 can convert the electric current of the storage device 10 into electric energy for the charging pile or the like through the power conversion device.

[0295] The charging system of the embodiment has the same beneficial effects as the storage device 10 provided by the present application or any embodiment of the present application.

[0296] The above description of the various embodiments tends to emphasize the differences between the various embodiments, and the same or similar parts can be referred to each other, and for the sake of brevity, the description will not be repeated here.

[0297] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the description of the present application. Especially, as long as there is no structural conflict, each technical feature mentioned in the various embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.

Claims

1. A heat exchange component, wherein, include: A housing having a receiving cavity, the housing including a first wall surrounding the receiving cavity, and a first vent provided on the first wall; A first heat exchanger is disposed in the accommodating cavity, and the first heat exchanger is used to exchange heat with the external airflow. An airflow guiding mechanism is used to guide airflow through the first heat exchanger, and the airflow guiding mechanism is disposed at the first vent. A soundproof cover is configured to connect to the first wall and be located on the side of the first wall away from the accommodating cavity. The soundproof cover and the first wall enclose a sound-absorbing cavity. The soundproof cover includes a frame that surrounds the first vent and the airflow guiding mechanism and is located within the sound-absorbing cavity.

2. The heat exchange assembly according to claim 1, wherein, The enclosure is sealed to the first wall.

3. The heat exchange assembly according to claim 1 or 2, wherein, The enclosure is at least partially connected to the circumferential edge of the first wall.

4. The heat exchange assembly according to any one of claims 1-3, wherein, The first wall is provided with a plurality of first ventilation openings, and each of the plurality of first ventilation openings is provided with an airflow guiding mechanism. The frame is configured to surround the plurality of first ventilation openings and the plurality of airflow guiding mechanisms.

5. The heat exchange assembly according to any one of claims 1-4, wherein, The first wall and / or the enclosure are configured as a porous sound-absorbing structure.

6. The heat exchange assembly according to any one of claims 1-5, wherein, The surface of the first wall facing the sound-absorbing cavity is provided with a porous sound-absorbing structure, and / or the surface of the frame facing the sound-absorbing cavity is provided with a porous sound-absorbing structure.

7. The heat exchange assembly according to claim 5 or 6, wherein, The porous sound-absorbing structure includes sound-absorbing cotton, and the weight of the sound-absorbing cotton ranges from 200 to 600 grams.

8. The heat exchange assembly according to claim 6 or 7, wherein, The porous sound-absorbing structure is attached to the first wall and / or the frame.

9. The heat exchange assembly according to any one of claims 6-8, wherein, The porous sound-absorbing structure is bonded to the first wall and / or the frame; And / or, the porous sound-absorbing structure is connected to the first wall and / or the frame by fasteners.

10. The heat exchange assembly according to any one of claims 1-9, wherein, The enclosure is configured to include a sealed panel, and / or the portion of the first wall surrounding the first vent is configured to include a sealed panel.

11. The heat exchange assembly according to any one of claims 1-10, wherein, The housing is provided with a second vent. One of the first vent and the second vent is the air inlet of the housing, and the other is the air outlet of the housing. The second vent is configured with a mesh structure.

12. The heat exchange assembly according to any one of claims 1-11, wherein, At least a portion of the airflow guiding mechanism protrudes from the first wall.

13. The heat exchange assembly according to any one of claims 1-12, wherein, The airflow guiding mechanism includes: The air guide ring is installed on the first wall; An impeller assembly is disposed on the side of the first wall opposite to the receiving cavity, including an impeller and blades. The impeller is cylindrical and surrounds the outside of the blades and is fixedly connected to the blades. The two ends of the axial direction of the air guide ring are the air inlet and air outlet of the air guide ring, respectively. The two ends of the axial direction of the impeller are the air inlet and air outlet of the impeller, respectively. Along the axial direction of the impeller, the air outlet of the air guide ring is disposed inside the air inlet of the impeller and along the radial direction of the impeller, the air guide ring is clearance-fitted with the impeller, and the impeller assembly is configured to rotate relative to the air guide ring.

14. The heat exchange assembly according to claim 13, wherein, The air guide ring also includes an assembly part, which is connected to the outer wall surface of the air inlet end of the air guide ring. The assembly part extends outward along the radial direction of the impeller and is connected to the first wall. Along the axial direction of the impeller, the air guide ring also includes a protrusion protruding from the assembly part. The protrusion is inserted into the first ventilation port and is configured as the air inlet end of the air guide ring.

15. The heat exchange assembly according to claim 13 or 14, wherein, The impeller is provided with a blocking part, which is configured to protrude from the outer peripheral wall of the impeller.

16. The heat exchange assembly according to any one of claims 12 to 15, wherein, There is a gap between the enclosure and the airflow guiding mechanism.

17. A heat exchange device, wherein, The heat exchange equipment includes a compressor, a throttling component, a second heat exchanger, a refrigerant pipeline, and a heat exchange component according to any one of claims 1-16, wherein the compressor, the first heat exchanger, the throttling component, and the second heat exchanger are connected in sequence via a refrigerant pipeline.

18. An energy storage device, wherein, include: Battery; A thermal management system for regulating the temperature of the battery; The thermal management system includes: A first heat exchange circuit is used for heat exchange with the battery; and The second heat exchange circuit includes a heat exchange component according to any one of claims 1-16 or a heat exchange device according to claim 17, wherein the second heat exchange circuit is used to exchange heat with the first heat exchange circuit.

19. The energy storage device according to claim 18, wherein, The energy storage device also includes a cabinet for housing the battery, and the heat exchange assembly is disposed inside or outside the cabinet.

20. A charging system, wherein, include: Charging stations; as well as According to claim 18 or 19, the energy storage device is electrically connected to the battery of the energy storage device, and the energy storage device is used to provide electrical energy to the charging pile.

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