Energy storage converter, energy storage system and electric equipment

Abstract

The invention relates to the technical field of energy storage, in particular to an energy storage converter, an energy storage system and electric equipment. In the embodiment of the invention, the energy storage converter at least comprises a liquid cooling piece, a plurality of devices, an air cooling assembly and a plurality of heat pipes. In addition, one end of each heat pipe is located in the corresponding installation area, and the other end of each heat pipe is located between the heat dissipation piece and the liquid cooling piece, so that the liquid cooling plate can be further utilized to carry out heat management on the heat pipes, and the heat dissipation effect of devices on the installation areas can be improved. The heat dissipation piece is located on the path of the airflow generated by the airflow generating piece, and the heat dissipation piece can also be matched with the heat pipe to further utilize the cooling capacity of the liquid cooling piece, so that the airflow generated by the airflow generating piece can be utilized to dissipate heat of the device. Meanwhile, through mutual cooperation of the heat pipe, the liquid cooling piece, the heat dissipation piece and the air flow generating piece, the cooling capacity of the overlapped area of the heat pipe, the heat dissipation piece and the liquid cooling piece can cooperate with the air flow generated by the air flow generating piece to jointly dissipate heat of the device.

Description

Technical Field

[0001] The present application relates to the field of energy storage technology, and in particular to energy storage converters, energy storage systems and electrical equipment. Background Art

[0002] With the development of the new energy industry, the power of energy storage converters has been continuously improved. As the power continues to increase, the power devices inside the energy storage converter, such as insulated gate bipolar transistors (IGBTs) and power diodes, consume a large amount of energy during operation. This significant increase in power consumption directly causes the devices to release a large amount of heat during operation.

[0003] In the above process, if a large amount of heat cannot be dissipated in a timely and effective manner, the operating temperature of the device will rise sharply, which will cause the electrical performance to deteriorate, shorten the life, and may even cause the device to burn out, seriously affecting the reliability and stability of the energy storage inverter. Therefore, how to improve the thermal management effect of the energy storage inverter is an urgent problem to be solved. Summary of the invention

[0004] Based on this, it is necessary to provide an energy storage inverter, an energy storage system and an electrical device to improve the thermal management effect of the energy storage inverter.

[0005] According to one aspect of the present application, an embodiment of the present application provides an energy storage inverter, including a liquid cooling element, a plurality of devices, an air cooling assembly and a plurality of heat pipes. The liquid cooling element has a liquid cooling channel, and the liquid cooling element has a first side and a second side arranged opposite to each other along a first direction, and the first side has a plurality of installation areas. A plurality of devices are arranged in a one-to-one correspondence with a plurality of installation areas. The devices are arranged in corresponding installation areas. The air cooling assembly is arranged on the first side. The air cooling assembly includes an airflow generating element and a heat sink, and the heat sink is located on the airflow path generated by the airflow generating element. A plurality of heat pipes are arranged in a one-to-one correspondence with a plurality of installation areas. One end of the heat pipe is located in the corresponding installation area, and the other end of the heat pipe is located between the heat sink and the liquid cooling element, and the heat sink is attached to a side of the heat pipe facing away from the liquid cooling element.

[0006] In some embodiments, the heat pipe is disposed on the first side of the liquid cooling component.

[0007] In some embodiments, the orthographic projections of all heat pipes on the reference plane do not overlap with each other, and the reference plane is a plane perpendicular to the first direction.

[0008] In some embodiments, the energy storage inverter also includes multiple temperature averaging plates; the multiple temperature averaging plates are arranged in one-to-one correspondence with the multiple installation areas, the temperature averaging plates are located in the corresponding installation areas, and corresponding devices are provided on the side of the temperature averaging plates away from the liquid cooling component; the installation areas corresponding to the temperature averaging plates and the corresponding devices are the same installation area.

[0009] In some embodiments, the heat pipe is embedded in the first side of the liquid cooling component; and / or, one end of the heat pipe located at the corresponding installation area is connected to the corresponding heat pipe, and the installation areas corresponding to the heat pipe and the corresponding heat pipe are the same installation area.

[0010] In some embodiments, the heat pipe is connected to the liquid cooling component by welding.

[0011] In some embodiments, the heat pipe is adhesively connected to the liquid cooling component.

[0012] In some embodiments, the liquid cooling channel includes a first buffer section and a main section. The first buffer section is communicated with the inlet of the liquid cooling channel, and the main section communicates the first buffer section and the outlet of the liquid cooling channel; the orthographic projection of the first buffer section on the reference plane, the orthographic projection of the heat pipe on the reference plane, and the orthographic projection of the heat dissipation component on the reference plane have an overlapping part, and the orthographic projection of the main section on the reference plane and the orthographic projection of multiple devices on the reference plane have an overlapping part; the reference plane is a plane perpendicular to the first direction.

[0013] In some embodiments, the energy storage converter further includes a plurality of flow disturbance structures; the plurality of flow disturbance structures are arranged at intervals and are arranged in the first buffer section.

[0014] In some embodiments, from the inlet of the liquid cooling channel to the outlet of the liquid cooling channel, the extending direction of the liquid cooling channel is the reference direction; along the reference direction, the distribution density of the plurality of flow disturbance structures in the unit space area of the liquid cooling channel shows a decreasing trend.

[0015] In some embodiments, the liquid cooling channel further includes a second buffer section connected between the main section and the outlet of the liquid cooling channel.

[0016] In some embodiments, the energy storage converter further includes a housing; the housing has a receiving cavity, the liquid cooling component is arranged in the receiving cavity, the first side of the liquid cooling component and the cavity wall of the receiving cavity define a receiving cavity, and a plurality of devices and an air cooling component are arranged in the receiving cavity; a plurality of air flow generating components are provided, and all the air flow generating components are configured to be able to generate an annular air flow arranged around an axis in the receiving cavity, and the heat dissipation component is located on the path of the annular air flow, and the extending direction of the axis and the first direction are parallel to each other.

[0017] In some embodiments, the heat dissipation component includes at least one row of a plurality of heat dissipation parts arranged at intervals in the first direction, and each row of heat dissipation parts defines a flow channel; the inlet side of one of all the air flow generating components is connected to one side of the heat dissipation component, and the inlet of the one air flow generating component is communicated with the flow channel.

[0018] In some embodiments, the energy storage converter further includes a wind guiding component; the wind guiding component is arranged in the receiving cavity and is located on the fluid path of the annular air flow.

[0019] In some embodiments, among all the airflow generating parts, along the flow direction of the annular airflow, the airflow generating part adjacent to the heat sink and located downstream of the heat sink is the first generating part, and the airflow generating part adjacent to the heat sink and located upstream of the heat sink is the second generating part; the air guide part includes a first air guide unit and a second air guide unit; along the flow direction of the annular airflow, the first air guide unit is located downstream of the first generating part, and the second air guide unit is located downstream of the second generating part.

[0020] In some embodiments, the first air guide unit includes a plurality of air guide plates; along the flow direction of the annular airflow, all the air guide plates are arranged at intervals.

[0021] In some embodiments, the accommodating cavity has a peripheral side wall arranged around the central axis of the shell, and the extension direction of the central axis of the shell is parallel to the first direction; the wind guide plate is arranged on the peripheral side wall, and the wind guide plate extends from the peripheral side wall in a direction away from the peripheral side wall, and the wind guide plate has a starting end and an ending end arranged relatively, the starting end is connected to the peripheral side wall, and the ending end is away from the peripheral side wall; along the flow direction of the annular airflow, the ending end of the previous wind guide plate is closer to the next wind guide plate than the starting end.

[0022] In some embodiments, the air guide plate is extended along a straight line from a starting end of the air guide plate to a terminating end of the air guide plate.

[0023] In some embodiments, an extension direction of an air guide plate from a starting end of the air guide plate to a terminating end of the air guide plate is defined as a reference direction; and the reference directions corresponding to all air guide plates are parallel to each other.

[0024] In some embodiments, the second air guide unit is constructed as a cover body; the second air guide unit has an air inlet and an air outlet that are relatively arranged and connected to each other, and the second generating element is arranged at the air inlet.

[0025] In some embodiments, the second air guide unit includes a first air guide wall and a second air guide wall. The first air guide wall is disposed on a first side of the liquid cooling element. The second air guide wall is disposed on an end of the first air guide wall away from the liquid cooling element. The first air guide wall, which faces the central axis of the housing, the second air guide wall and the first side of the liquid cooling element define an air guide channel with an opening, the inlet of the air guide channel constitutes an air inlet, and the outlet of the air guide channel constitutes an air outlet; the opening is disposed opposite to the first air guide wall, and the opening is connected to the air inlet and the air outlet.

[0026] According to another aspect of the present application, an embodiment of the present application provides an energy storage system, including the energy storage converter in any of the above embodiments.

[0027] According to another aspect of the present application, an embodiment of the present application provides an electrical device, including the energy storage converter in any of the above embodiments.

[0028] In the above energy storage converter, energy storage system and electrical equipment, the energy storage converter at least includes a liquid cooling component, multiple devices, an air cooling component, and multiple heat pipes. Since one end of the heat pipe is located in the corresponding installation area and the other end of the heat pipe is located between the heat dissipation component and the liquid cooling component, the liquid cooling plate can be further used for heat management of the heat pipe, which is beneficial to improving the heat dissipation effect of the devices in the installation area. Since the heat dissipation component is located on the air flow path generated by the air flow generating component, and the heat dissipation component can also cooperate with the heat pipe to further utilize the cold quantity of the liquid cooling component, the air flow generated by the air flow generating component can be used to dissipate heat from the devices. At the same time, through the mutual cooperation of the heat pipe, liquid cooling component, heat dissipation component, and air flow generating component, the cold quantity in the area where the heat pipe, heat dissipation component, and liquid cooling component overlap can cooperate with the air flow generated by the air flow generating component to jointly dissipate heat from the devices. Therefore, the energy storage converter provided by the embodiment of the present application can improve the heat management effect of the energy storage converter.

[0029] Additional aspects and advantages of the embodiments of the present application will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the embodiments of the present application. Description of the Drawings

[0030] By reading the detailed description of the following embodiments, various other advantages and benefits will become clear to those of ordinary skill in the art. The drawings are only for the purpose of showing the embodiments and are not considered to be a limitation of the present application. Moreover, in all the drawings, the same reference numerals are used to represent the same components. In the drawings:

[0031] Figure 1 is a three-dimensional structural schematic diagram of an energy storage converter in some embodiments of the present application;

[0032] Figure 2 is a three-dimensional structural schematic diagram of the energy storage converter in some embodiments of the present application with some structures removed;

[0033] Figure 3 is Figure 2 a top view structural schematic diagram of the structure shown;

[0034] Figure 4 is a top view structural schematic diagram of the energy storage converter in some embodiments of the present application with some more structures removed;

[0035] Figure 5 is a three-dimensional structural schematic diagram of a liquid cooling component in some embodiments of the present application;

[0036] Figure 6 is a structural schematic diagram of a first liquid cooling part of the liquid cooling component in some embodiments of the present application from one perspective;

[0037] Figure 7Schematic diagram of the first liquid cooling part of the liquid cooling component in some embodiments of the present application from another perspective;

[0038] Figure 8 Schematic perspective view of the second liquid cooling part of the liquid cooling component in some embodiments of the present application;

[0039] Figure 9 Top view structural diagram of the energy storage converter with some structures removed in some other embodiments of the present application;

[0040] Figure 10 Schematic diagram of a flow disturbing structure provided in the first buffer section in some embodiments of the present application;

[0041] Figure 11 Schematic diagram of a flow disturbing structure provided in the first buffer section in some other embodiments of the present application;

[0042] Figure 12 Schematic diagram of a flow disturbing structure provided in the first buffer section in some other embodiments of the present application;

[0043] Figure 13 Schematic perspective view of the cooperation between the heat dissipation component and the air flow generating component in some embodiments of the present application;

[0044] Figure 14 Schematic perspective view of the energy storage converter with some structures removed and from one perspective in some other embodiments of the present application;

[0045] Figure 15 Schematic perspective view of the energy storage converter with some structures removed and from another perspective in some other embodiments of the present application;

[0046] Figure 16 is Figure 14 Schematic perspective view of the structure shown in [reference number] with some structures removed;

[0047] Figure 17 is Figure 16 Top view structural diagram of the structure shown in [reference number].

[0048] Explanation of reference numerals:

[0049] Energy storage converter 100;

[0050] Liquid cooling component 110, liquid cooling channel UP, first buffer section UP1, main body section UP2, second buffer section UP3, first side c1, second side c2, installation area a, first recess x1, second recess x2, first body part 111, second body part 112;

[0051] Device 120;

[0052] Air-cooling component 130, air flow generating member 131, first generating member 131a, second generating member 131b, heat dissipation member 132, heat dissipation portion 1321, circulation passage LP;

[0053] Heat pipe 140;

[0054] Heat pipe vapor chamber 150;

[0055] Turbulence structure 160;

[0056] Housing 170, first part 171, second part 172, peripheral side wall H;

[0057] Air guiding member 180, first air guiding unit 181, air guiding plate 1811, starting end e1, terminating end e2, second air guiding unit 182, air inlet k1, air outlet k2, first air guiding wall 1821, second air guiding wall 1822, first air guiding section E1, second air guiding section E2, air guiding passage WP, opening I;

[0058] Circuit board assembly 190, first area Z1, second area Z2, third area Z3, spaced channel GP;

[0059] Liquid inlet connector J1, liquid outlet connector J2;

[0060] First direction F1, second direction F2, third direction F3. Detailed implementation manners

[0061] To make the above objects, features, and advantages of the present application more obvious and understandable, the following will describe the detailed implementation manners of the present application with reference to the accompanying drawings. Many specific details are set forth in the following description to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific embodiments disclosed below.

[0062] In the description of the present application, it should be understood that if there appear such terms as "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 by these terms is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present application.

[0063] In addition, if the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of the present application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0064] In the present application, unless otherwise clearly specified and limited, if terms such as "installed", "connected", "joined", "fixed", etc. appear, these terms should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0065] In the present application, unless otherwise clearly specified and limited, if there is a description such as a first feature being "on" or "under" a second feature, the meaning may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower horizontal height than the second feature.

[0066] It should be noted that if an element is referred to as "fixed to" or "disposed on" another element, it may be directly on the other element or there may also be an intermediate element. If an element is considered to be "connected" to another element, it may be directly connected to the other element or there may be an intermediate element at the same time. If so, the terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used in the present application are only for illustrative purposes and do not represent the only implementation.

[0067] According to some embodiments of the present application, please refer to Figures 1 to 3 , Figure 1 is a schematic three-dimensional structure diagram of the energy storage converter 100 in some embodiments of the present application, Figure 2 is a schematic three-dimensional structure diagram of the energy storage converter 100 with some structures removed in some embodiments of the present application, Figure 3 is Figure 2A top - view structural schematic diagram of the structure shown. An embodiment of the present application provides an energy storage converter 100, which includes a liquid - cooling component 110, a plurality of devices 120, an air - cooling assembly 130, and a plurality of heat pipes 140. The liquid - cooling component 110 has a liquid - cooling channel UP. The liquid - cooling component 110 has a first side c1 and a second side c2 that are oppositely arranged along a first direction F1. The first side c1 has a plurality of mounting areas a. The plurality of devices 120 are arranged in one - to - one correspondence with the plurality of mounting areas a. The devices 120 are disposed in the corresponding mounting areas a. The air - cooling assembly 130 is disposed on the first side c1. The air - cooling assembly 130 includes an air - flow generating member 131 and a heat - dissipating member 132. The heat - dissipating member 132 is located on the air - flow path generated by the air - flow generating member 131. The plurality of heat pipes 140 are arranged in one - to - one correspondence with the plurality of mounting areas a. One end of the heat pipe 140 is located in the corresponding mounting area a, and the other end of the heat pipe 140 is located between the heat - dissipating member 132 and the liquid - cooling component 110. The heat - dissipating member 132 is attached to the side of the heat pipe 140 facing away from the liquid - cooling component 110.

[0068] The liquid - cooling component 110 is a component that conducts heat treatment on related components through a liquid - cooling method. The liquid - cooling channel UP is a channel structure inside the liquid - cooling component 110 for guiding the flow of cooling liquid. With reference to Figure 4 , Figure 4 This is a top - view structural schematic diagram of the energy storage converter 100 in some embodiments of the present application with some parts removed. In Figure 4 , the liquid - cooling channel UP is schematically shown in dotted lines. The cooling liquid flows in the liquid - cooling channel UP and exchanges heat with the heat absorbed by the liquid - cooling component 110 through the wall surface of the liquid - cooling channel UP, thereby taking away the heat. The heat absorbed by the liquid - cooling component 110 is the heat absorbed by the liquid - cooling component 110 through heat exchange with the heat - generating sources it contacts.

[0069] Exemplarily, please refer to Figures 5 to 8 , Figure 5 This is a three - dimensional structural schematic diagram of the liquid - cooling component 110 in some embodiments of the present application. Figure 6 This is a structural schematic diagram of the first liquid - cooling part of the liquid - cooling component 110 in some embodiments of the present application from one perspective. Figure 7 This is a structural schematic diagram of the first liquid - cooling part of the liquid - cooling component 110 in some embodiments of the present application from another perspective. Figure 8This is a schematic diagram of the three-dimensional structure of the second liquid cooling part of the liquid cooling unit 110 in some embodiments of the present application, wherein the liquid cooling unit 110 has a first side c1 and a second side c2 arranged relatively to each other along a first direction F1, and the first side c1 has a plurality of installation areas a. The liquid cooling unit 110 includes a first liquid cooling unit and a second liquid cooling unit, and the first liquid cooling unit and the second liquid cooling unit are stacked along the first direction F1. A liquid cooling channel UP is defined on the side of the first liquid cooling unit and the second liquid cooling unit opposite to each other. Among them, a portion of the first liquid cooling unit corresponding to the liquid cooling channel UP on a side facing the second liquid cooling unit may be recessed to form the liquid cooling channel UP, or a portion of the second liquid cooling unit corresponding to the liquid cooling channel UP on a side facing the first liquid cooling unit may be recessed to form the liquid cooling channel UP, or a portion of the first liquid cooling unit and the second liquid cooling unit may be recessed on each other's sides to form the liquid cooling channel UP. No specific limitation is made here. Figure 7 and Figure 8 In FIG. 1 , it is shown that the first liquid cooling part and the second liquid cooling part are both provided with a recessed portion on one side facing each other to form a liquid cooling channel UP. Figure 7 and Figure 8 The parts of the liquid cooling channel UP are respectively indicated.

[0070] Device 120 refers to various electronic components, parts or assemblies that can be used to constitute electronic equipment, circuit systems or other devices. Device 120 may include capacitors, relays, transformers, Hall elements, IGBT (Insulated Gate Bipolar Transistor) modules and power tubes, etc., without specific limitation herein. Device 120 is arranged in the corresponding installation area a, that is, device 120 is arranged on the first side c1 of the liquid cooling unit 110, and device 120 can perform heat exchange with the first side c1 of the liquid cooling unit 110.

[0071] The air-cooling component 130 is a heat dissipation device that uses air flow to remove heat. The airflow generating component 131 is a component in the air-cooling component 130 for generating airflow, and its function is to make the air flow in a certain way to form an airflow with a certain speed and flow rate, thereby providing power for heat dissipation. The heat sink 132 is a component in the air-cooling component 130 that can exchange heat with other components. Specifically, since the heat sink 132 is located on the airflow path generated by the airflow generating component 131, and the heat sink 132 is attached to the side of the heat pipe 140 away from the liquid cooling component 110, the heat sink 132 can be a component for heat exchange with the heat pipe 140, and can exchange heat with the airflow generated by the airflow generating component 131.

[0072] The heat pipe 140 is a device with high efficient heat transfer performance. The heat pipe 140 utilizes the phase change of the working fluid to achieve rapid heat transfer. The heat pipe 140 generally consists of a pipe shell, a wick, end caps, etc., and is evacuated and filled with an appropriate amount of working fluid inside.

[0073] One end of the device 120 and the heat pipe 140 is located in the installation area a. That is, the heat pipe 140 and the device 120 may be in contact or not in contact. The device 120 may completely cover the corresponding installation area a or may not completely cover the corresponding installation area a, and no specific limitation is made here. When the device 120 completely covers the corresponding installation area a, one end of the heat pipe 140 located in the corresponding installation area a may be located between the device 120 and the corresponding installation area a. At this time, one end of the heat pipe 140 is located between the device 120 and the installation area a, and one end of the heat pipe 140 is in contact with the device 120. When the device 120 does not completely cover the corresponding installation area a, one end of the heat pipe 140 may be in contact with the device 120 or may not be in contact with the device 120. It can be understood that heat exchange can occur among one end of the heat pipe 140, the corresponding device 120, and the corresponding installation area a. The other end of the heat pipe 140 is located between the heat dissipation member 132 and the liquid cooling member 110. That is, heat exchange can occur among the other end of the heat pipe 140, the heat dissipation member 132, and the liquid cooling member 110.

[0074] Therefore, since one end of the heat pipe 140 is located in the corresponding installation area a and the other end of the heat pipe 140 is located between the heat dissipation member 132 and the liquid cooling member 110, the liquid cooling plate can be further utilized to perform heat treatment on the heat pipe 140, which is beneficial to improving the heat dissipation effect of the device 120 in the installation area a. Since the heat dissipation member 132 is located on the air flow path generated by the air flow generating member 131, and the heat dissipation member 132 can also cooperate with the heat pipe 140 to further utilize the cold quantity of the liquid cooling member 110, the air flow generated by the air flow generating member 131 can be utilized to dissipate heat from the device 120. At the same time, through the mutual cooperation of the heat pipe 140, the liquid cooling member 110, the heat dissipation member 132, and the air flow generating member 131, the cold quantity in the area where the heat pipe 140, the heat dissipation member 132, and the liquid cooling member 110 overlap can cooperate with the air flow generated by the air flow generating member 131 to jointly dissipate heat from the device 120. Thus, the energy storage converter 100 provided by the embodiment of the present application can improve the heat treatment effect of the energy storage converter 100.

[0075] It should be noted that in the collaborative operation of the heat pipe 140, the liquid cooling component 110, the heat dissipation component 132, and the air flow generating component 131, the heat pipe 140 conducts the heat of the device 120 to the vicinity of the heat dissipation component 132 and the liquid cooling component 110. The liquid cooling component 110 provides cooling capacity for the heat dissipation component 132 and the heat pipe 140, reducing the temperature in this area and forming a relatively low-temperature area. The air flow generated by the air flow generating component 131 passes through the heat dissipation component 132, and heat exchange can occur between the air flow and the heat dissipation component 132, reducing the temperature of the air flow. Thus, the continuously temperature-reduced air flow can dissipate heat from the device 120. In this way, multiple heat dissipation paths for dissipating heat from the device 120 are formed, and these heat dissipation paths are interrelated, which is conducive to improving the heat dissipation uniformity, making the overall temperature distribution of the device 120 more uniform, and extending the service life of the device 120.

[0076] According to some embodiments of the present application, please continue to refer to Figures 2 to 4 , the heat pipe 140 is disposed on the first side c1 of the liquid cooling component 110.

[0077] The liquid cooling component 110 usually has good thermal conductivity and a large heat capacity. The heat pipe 140 is disposed on its first side c1, enabling direct contact with the liquid cooling component 110 for more efficient heat conduction. When the heat pipe 140 transfers heat from the installation area a to the other end, it can quickly transfer the heat to the liquid cooling component 110, and the coolant in the liquid cooling component 110 takes away the heat to achieve rapid heat dissipation. Moreover, disposing the heat pipe 140 on the first side c1 of the liquid cooling component 110 can make the heat dissipation conditions of each part of the heat pipe 140 more consistent, thus contributing to improving the overall heat dissipation performance of the heat pipe 140, enabling each device 120 in the installation area a to be evenly dissipated, reducing the temperature difference between the devices 120, and improving the stability and reliability of the entire system. In addition, disposing the heat pipe 140 on the first side c1 of the liquid cooling component 110 can make full use of the surface space of the liquid cooling component 110, making the layout of the entire heat dissipation system more compact.

[0078] Of course, in some other embodiments, the heat pipe 140 may not be disposed in contact with the first side c1 of the liquid cooling component 110. For example, there is a gap between at least part of the heat pipe 140 and the first side c1 of the liquid cooling component 110. At this time, at least part of the heat pipe 140 can be located on the air flow path generated by the air flow generating component 131. In this way, heat exchange can also occur between the heat pipe 140 and the air flow. No specific limitation is made here.

[0079] According to some embodiments of the present application, please continue to refer to Figures 2 to 4 , the orthographic projections of all the heat pipes 140 on the reference plane do not overlap, and the reference plane is a plane perpendicular to the first direction F1. That is, all the heat pipes 140 are located in different areas on the first side c1 of the liquid cooling component 110.

[0080] In this way, not only can the liquid cooling component 110 be more fully utilized, but also the heat exchange between the heat pipe 140 and the liquid cooling component 110 is more sufficient, thereby improving the heat dissipation efficiency. Moreover, each heat pipe 140 can independently exchange heat with the liquid cooling component 110, reducing the mutual influence of heat between the heat pipes 140, thus enhancing the heat dissipation effect. In addition, this layout also facilitates the installation and maintenance of the heat pipes 140.

[0081] According to some embodiments of the present application, please continue to refer to Figures 2 to 6 , a plurality of first recesses x1 are provided on the first side c1 of the liquid cooling plate, and the plurality of first recesses x1 are arranged in one-to-one correspondence with the plurality of heat pipes 140. The heat pipes 140 are arranged in the corresponding first recesses x1. That is to say, the heat pipes 140 are embedded in one side of the liquid cooling plate.

[0082] The heat pipes 140 are arranged in one-to-one correspondence with the first recesses x1 of the liquid cooling plate, so that the heat pipes 140 and the liquid cooling plate can be tightly attached, effectively increasing the contact area between the heat pipes 140 and the liquid cooling plate. Thus, it is beneficial for heat to be transferred from the heat pipes 140 to the liquid cooling plate more efficiently, and then taken away by the coolant in the liquid cooling plate, thereby improving the heat dissipation efficiency. At the same time, by providing the first recesses x1, it is not only beneficial to improve the installation stability of the heat pipes 140, but also can make full use of the space on the first side c1 of the liquid cooling plate to achieve a more compact structural layout.

[0083] According to some embodiments of the present application, please continue to refer to Figure 2 , Figure 3 , Figure 5 and Figure 6 , the energy storage converter 100 further includes a plurality of heat spreaders 150. The plurality of heat spreaders 150 are arranged in one-to-one correspondence with the plurality of installation areas a, the heat spreaders 150 are located in the corresponding installation areas a, and a corresponding device 120 is provided on the side of the heat spreader 150 facing away from the liquid cooling component 110. The installation area a corresponding to both the heat spreader 150 and the corresponding device 120 is the same installation area a.

[0084] The heat spreader 150 is a flat device 120 with high thermal conductivity, usually made of a metal material, and its interior can be provided with structures such as microchannels and capillary structures, which can achieve rapid heat transfer and a more uniform temperature distribution.

[0085] Exemplarily, taking Figure 2 and Figure 3 as an example, the device 120 provided on the side of the heat spreader 150 facing away from the liquid cooling component 110 can be an IGBT. Of course, the device 120 can also be other components such as an inductor, and no specific limitation is made here.

[0086] In this way, by providing the heat pipe 150, the heat generated by the device 120 in contact with the heat pipe 150 can be rapidly dissipated and more evenly distributed across the entire surface of the heat pipe 150, improving the situation of local overheating of the device 120, thereby enhancing the working stability and reliability of the device 120.

[0087] According to some embodiments of the present application, please continue to refer to Figure 2 、 Figure 3 、 Figure 5 and Figure 6 , the heat pipe 150 is embedded in the first side c1 of the liquid cooling member 110.

[0088] Specifically, with reference to Figure 5 and Figure 6 , a plurality of second recesses x2 are provided on the first side c1 of the liquid cooling member 110, and the plurality of second recesses x2 are provided in one-to-one correspondence with the plurality of heat pipes 150. The heat pipe 150 is disposed in the corresponding second recess x2, such that the heat pipe 150 is embedded in the first side c1 of the liquid cooling member 110.

[0089] The heat pipe 150 is provided in one-to-one correspondence with the second recess x2 of the liquid cooling plate, such that the heat pipe 150 and the liquid cooling plate can be closely attached, effectively increasing the contact area between the heat pipe 150 and the liquid cooling plate. Thus, it is beneficial for heat to be transferred from the heat pipe 150 to the liquid cooling plate more efficiently, and then carried away by the coolant in the liquid cooling plate, thereby enhancing the heat dissipation efficiency. At the same time, by providing the second recess x2, it is not only beneficial to improve the installation stability of the heat pipe 150, but also can make full use of the space on the first side c1 of the liquid cooling plate to achieve a more compact structural layout.

[0090] According to some embodiments of the present application, please refer to Figure 9 , Figure 9 which is a top view structural schematic diagram of the energy storage converter 100 with some structures removed in some other embodiments of the present application. One end of the heat pipe 140 located in the corresponding installation area a is connected to the corresponding heat pipe 150, and the installation areas a corresponding to the heat pipe 140 and the corresponding heat pipe 150 are the same installation area a.

[0091] The heat pipe 150 can rapidly collect the heat generated by the device 120 and distribute the heat more evenly. The heat pipe 140 is connected to the heat pipe 150 and can timely carry away the heat on the heat pipe 150. Through the high-efficiency heat conduction characteristic of the heat pipe 140, the heat is transferred to the liquid cooling member 110 to achieve rapid heat dissipation, effectively reducing the temperature of the device 120. It can be understood that this connection method enables the heat pipe 150 and the heat pipe 140 to form a collaborative heat dissipation system, and the two cooperate with each other to further improve the heat dissipation efficiency of the entire installation area a, such that the device 120 can operate in a more stable temperature environment.

[0092] According to some embodiments of the present application, continue to refer to Figure 3 , the heat pipe 140 is disposed at an interval from the corresponding heat spreader 150 at one end of the corresponding installation area a, and the installation areas a corresponding to the heat pipe 140 and the corresponding heat spreader 150 are the same installation area a.

[0093] In this way, by setting the interval between the heat pipe 140 and the heat spreader 150, not only can the heat pipe 140 and the heat spreader 150 work more independently, but also it is convenient to install and maintain the heat pipe 140 and the heat spreader 150.

[0094] According to some embodiments of the present application, continue to refer to Figure 2 , Figure 3 and Figure 9 , the heat spreader 150 is welded to the liquid cooling member 110.

[0095] In this way, not only can a closer combination be formed between the heat spreader 150 and the liquid cooling member 110, and the contact thermal resistance therebetween can be minimized as much as possible, so that heat can be efficiently transferred from the heat spreader 150 to the liquid cooling member 110, improving the heat dissipation efficiency, but also the reliability of the connection between the heat spreader 150 and the liquid cooling member 110 can be improved.

[0096] According to some embodiments of the present application, continue to refer to Figure 2 , Figure 3 and Figure 9 , the heat spreader 150 is adhesively bonded to the liquid cooling member 110.

[0097] Exemplarily, the heat spreader 150 can be connected to the liquid cooling member 110 through a thermally conductive adhesive.

[0098] Since the colloid can fill the tiny gaps between the heat spreader 150 and the liquid cooling member 110, making the contact between the heat spreader 150 and the liquid cooling member 110 closer, reducing the existence of the air layer, thereby reducing the contact thermal resistance and improving the heat transfer efficiency. At the same time, such a connection method can play a certain sealing role, improving the situation of dust, moisture and other impurities entering the connection part, which is beneficial to improving the heat dissipation effect.

[0099] According to some embodiments of the present application, continue to refer to Figure 4 , Figure 7 and Figure 8, the liquid cooling channel UP includes a first buffer section UP1 and a main section UP2. The first buffer section UP1 is connected to the inlet of the liquid cooling channel UP, and the main section UP2 connects the first buffer section UP1 and the outlet of the liquid cooling channel UP. There is an overlapping part among the orthographic projections of the first buffer section UP1, the heat pipe 140, and the heat sink 132 on the reference plane. The orthographic projection of the main section UP2 on the reference plane has an overlapping part with the orthographic projections of multiple devices 120 on the reference plane. The reference plane is a plane perpendicular to the first direction F1.

[0100] The first buffer section UP1 is the part of the liquid cooling channel UP connected to the inlet, and its main function is to buffer the coolant flowing into the liquid cooling channel UP. The coolant can decelerate and diffuse in the first buffer section UP1 to form a relatively stable and uniform flow state, and then smoothly enter the main section UP2. The overlap of the first buffer section UP1, the heat pipe 140, and the heat sink 132 in the projection enables the first buffer section UP1 to better receive and process the heat from these heat pipes 140 and heat sinks 132, and conduct heat exchange with the heat pipes 140 and heat sinks 132.

[0101] In this way, since the coolant can decelerate in the first buffer section UP1, the residence time of the coolant in the first buffer section UP1 can be extended, and thus the heat exchange process among the first buffer section UP1, the heat pipe 140, and the heat sink 132 can be more sufficient. At the same time, the orthographic projection of the main section UP2 has an overlapping part with multiple devices 120, which can make the liquid cooling channel UP closer to the devices 120 and more directly cool the devices 120, thereby improving the pertinence and effectiveness of heat dissipation.

[0102] According to some embodiments of the present application, please refer to Figure 10 , Figure 10 is a schematic structural diagram of a spoiler structure 160 provided in the first buffer section UP1 in some embodiments of the present application. The energy storage converter 100 further includes a plurality of spoiler structures 160. The plurality of spoiler structures 160 are arranged at intervals and are provided in the first buffer section UP1.

[0103] The spoiler structure 160 can disrupt the flow state of the coolant, making the coolant form a more complex flow field in the first buffer section UP1, increasing the contact area and contact time between the coolant and the channel wall surface as well as the surrounding heat-generating components. In this way, the heat transferred from the heat pipe 140, the heat sink 132, etc. arranged close to the first buffer section UP1 can be taken away more effectively, improving the heat exchange efficiency. Thus, the cold quantity of the coolant flowing into the liquid cooling channel UP can be further distributed in the first buffer section UP1, so as to make more full use of the cold quantity of the coolant.

[0104] According to some embodiments of the present application, please continue to refer toFigure 10 , from the inlet to the outlet of the liquid cooling channel UP, the extending direction of the liquid cooling channel UP is the reference direction. Along the reference direction, the distribution density of the plurality of flow disturbing structures 160 in the unit space region of the liquid cooling channel UP shows a decreasing trend. In Figure 10 , the inflow direction and the outflow direction of the coolant are indicated by arrows.

[0105] The "unit space region" refers to a spatial range that is set as a target quantity within the spatial scope defined by the liquid cooling channel UP, that is, the unit space region is a region with a target volume. For example, the liquid cooling channel UP can be divided into several cube regions of the same size, and each such cube region can be regarded as a unit space region.

[0106] The distribution density within the unit space region is used to characterize the density of the flow disturbing structures 160. For example, the distribution density within the unit space region refers to the space proportion occupied by the flow disturbing structures 160 within the unit space region. Among them, if all the flow disturbing structures 160 are of the same size and all the flow disturbing structures 160 within the unit space region are completely located within the unit space region, then the space occupied by the flow disturbing structures 160 within the unit space region is also equal to the number of the flow disturbing structures 160 within the unit space region multiplied by the space occupied by a single flow disturbing structure 160; if all the flow disturbing structures 160 are not completely of the same size and a part of the flow disturbing structures 160 located within the unit space region is complete and a part is incomplete, then the space occupied by the flow disturbing structures 160 within the unit space region is the sum of the total space occupied by all the complete flow disturbing structures 160 within the unit space region and the total space occupied by all the incomplete flow disturbing structures 160 within the unit space region. The smaller the distribution density of the flow disturbing structures 160 within the unit space region, the sparser the flow disturbing structures 160 are characterized, and vice versa, the denser they are. The size and shape of the selected unit space region depend on the definition of the size of different unit space regions. After the size of the unit space region is defined, the size of the unit space region has a relative size and shape. For example, the size of the unit space region can be 1 cm 3 (cubic centimeter), or 1 mm 3 (cubic millimeter), or 1100 mm 3 (cubic millimeter), etc., and the embodiments of the present application do not make specific limitations thereto. It can be understood that the shapes of the respective unit space regions in all the unit space regions are the same and the sizes are also the same.

[0107] "Along the reference direction, the distribution density of the plurality of flow disturbing structures 160 in the unit space region of the liquid cooling channel UP shows a decreasing trend", that is, along the reference direction, the flow disturbing structures 160 show a trend of becoming sparser.

[0108] Thus, the distribution density of the turbulence structure 160 near the inlet of the liquid cooling channel UP is relatively large, which can increase the contact area between the coolant and the turbulence structure 160, extend the contact time between the coolant and the turbulence structure 160, and enable more sufficient heat exchange. In addition, by setting the turbulence structure 160 with a decreasing distribution density trend, not only can the pressure change of the coolant be made smoother, reducing the occurrence of cavitation phenomena, thereby improving the reliability and stability of the liquid cooling component 110, but also it is beneficial for the coolant to flow from the first buffer section UP1 into the main section UP2.

[0109] According to some embodiments of the present application, please continue to refer to Figure 10 , along the reference direction, the distribution density of the plurality of turbulence structures 160 in the unit space region of the liquid cooling channel UP gradually decreases.

[0110] When the coolant flows in the channel, its characteristics such as velocity and pressure will change along the flow direction. Generally speaking, as the coolant flows from the inlet of the liquid cooling channel UP to the outlet of the liquid cooling channel UP, its velocity will gradually decrease and the pressure will also gradually decrease. By configuring the distribution density of the turbulence structure 160 to gradually decrease, it can better adapt to this change in fluid characteristics, thereby facilitating the flow of the coolant in the circulation channel LP.

[0111] Of course, in some other embodiments, along the reference direction, the distribution density of the plurality of turbulence structures 160 in the unit space region of the liquid cooling channel UP can decrease periodically. By periodically adjusting the distribution density of the turbulence structure 160, the flow rate, flow direction and turbulence degree of the coolant can be controlled at different stages. No specific limitation is made here.

[0112] According to some embodiments of the present application, please refer to Figure 11 and Figure 12 , Figure 11 is a schematic structural diagram of the first buffer section UP1 in some other embodiments of the present application with a turbulence structure 160 provided therein, Figure 12 is a schematic structural diagram of the first buffer section UP1 in some other embodiments of the present application with a turbulence structure 160 provided therein. Along the reference direction, the distribution density of the plurality of turbulence structures 160 in the unit space region of the liquid cooling channel UP first shows an increasing trend and then a decreasing trend. In Figure 11 and Figure 12 , the inflow and outflow directions of the coolant are indicated by arrows.

[0113] In this way, the spoiler structure 160 shows a trend of first becoming denser and then sparser. In this way, the spoiler structures 160 near the inlet and outlet among all the spoiler structures 160 are relatively sparse, and the spoiler structures 160 in the middle part are relatively dense, which is not only beneficial to improving the blockage situation of the coolant when entering and leaving the first buffer section UP1, but also beneficial to using the spoiler structures 160 in the middle part to enhance the heat exchange effect with the heat pipe 140 and the heat dissipation part 132.

[0114] According to some embodiments of the present application, please continue to refer to Figures 10 to 11 , all the spoiler structures 160 are arranged in rows along the second direction F2 and in columns along the third direction F3. The first direction F1, the second direction F2 and the third direction F3 intersect pairwise. Exemplarily, the first direction F1, the second direction F2 and the third direction F3 are pairwise perpendicular.

[0115] In this way, by arranging the spoiler structures 160 regularly, it is beneficial to control the distribution density of the spoiler structures 160.

[0116] According to some embodiments of the present application, please continue to refer to Figure 12 , all the spoiler structures 160 are arranged irregularly.

[0117] In this way, by arranging the spoiler structures 160 irregularly, it is beneficial to further enhance the heat exchange effect between the coolant and the spoiler structures 160.

[0118] According to some embodiments of the present application, please continue to refer to Figure 4 and Figure 8 , the liquid cooling channel UP further includes a second buffer section UP3 connected between the main body section UP2 and the outlet of the liquid cooling channel UP.

[0119] After the main body section UP2 cools the heating device 120, the flow rate and pressure of the coolant may fluctuate to a certain extent. The second buffer section UP3 can provide a relatively large space for the coolant to buffer and stabilize briefly therein, so that the flow rate of the coolant is more uniform and stable, thereby improving the reliability as a whole. In this way, it helps to improve the leakage situation at the outlet of the liquid cooling channel UP caused by pressure changes.

[0120] It should be noted that corresponding spoiler components can be arranged in both the second buffer section UP3 and the main body section UP2, so as to further improve the heat pipe 140 treatment effect of the liquid cooling part 110. Among them, the structure and arrangement of the spoiler components are not specifically limited.

[0121] According to some embodiments of the present application, please continue to refer to Figures 1 to 3, the energy storage converter 100 further includes a housing 170. The housing 170 has a receiving cavity. The liquid cooling member 110 is disposed in the receiving cavity. A first side c1 of the liquid cooling member 110 and the cavity wall of the receiving cavity define a receiving cavity, and a plurality of devices 120 and an air cooling assembly 130 are disposed in the receiving cavity. There are a plurality of air flow generating members 131, and all the air flow generating members 131 are configured to be able to generate an annular air flow arranged around an axis in the receiving cavity. The heat dissipating member 132 is located on the path of the annular air flow, and the extending direction of the axis is parallel to the first direction F1.

[0122] The housing 170 may include a first part 171 and a second part 172. The first part 171 and the second part 172 cooperate to form the receiving cavity. Among them, Figure 2 is a schematic structural diagram of removing the first part 171. Among them, a liquid inlet joint J1 communicating with the inlet of the liquid cooling channel UP and a liquid outlet joint J2 communicating with the outlet of the liquid cooling channel UP may be provided on the second part 172.

[0123] All the air flow generating members 131 generate an annular air flow arranged around the axis, and the heat dissipating member 132 is located on the path of this air flow, which can make the heat dissipating member 132 fully contact with the air flow. Since the annular air flow can exchange heat with the heat dissipating member 132, the annular air flow can dissipate heat from the related components provided on the first side c1 of the liquid cooling member 110. The combination of the liquid cooling member 110 and the annular air flow air cooling forms a dual heat dissipation mechanism. The two heat dissipation methods cooperate with each other, can better meet the heat dissipation requirements under different working conditions, and improve the heat dissipation performance and adaptability of the overall device.

[0124] It should be noted that the annular air flow can form a continuous air flow path around the heat dissipating member 132 and related heat generating components, comprehensively cover the area that needs to be dissipated, and can contact the heat generating surface more fully and take away more heat compared with the traditional linear or local air flow, thereby improving the heat dissipation efficiency and being beneficial to improving the temperature uniformity of the overall device.

[0125] According to some embodiments of the present application, please continue to refer to Figure 2 and Figure 3 , and in combination with reference to Figure 13 , Figure 13 is a three-dimensional structural schematic diagram of the cooperation between the heat dissipating member 132 and the air flow generating member 131 in some embodiments of the present application. The heat dissipating member 132 includes at least one row of a plurality of heat dissipating portions 1321 arranged at intervals in the first direction F1. Each row of heat dissipating portions 1321 defines a flow channel LP. The inlet side of one of all the air flow generating members 131 is connected to one side of the heat dissipating member 132, and the inlet of this one air flow generating member 131 is communicated with the flow channel LP.

[0126] The heat dissipation part 1321 can be provided with one row, two rows or other numbers of rows, which is not specifically limited herein. Taking Figure 13 as an example, the situation where the heat dissipation part 1321 is provided with two rows is illustrated.

[0127] In this way, the air flow entering the inlet side of the air flow generating part 131 will first pass through the flow channel LP. That is to say, the heat dissipation part 1321 will divide the air flow entering the inlet side of the air flow generating part 131, so that the air flow can more evenly contact each part of the heat dissipation part 132, increasing the actual contact area between the air flow and the heat dissipation part 1321. More air flow contacts the surface of the heat dissipation part 1321, which can accelerate the heat exchange between the heat dissipation part 132 and the air flow, thereby improving the overall heat dissipation efficiency. At the same time, the air flow divided by the heat dissipation part 1321 can better break the air flow boundary layer, reduce the thermal resistance, and further enhance the heat exchange effect.

[0128] It should be noted that the heat dissipation part 1321 can be constructed as a flat sheet structure, or a wavy sheet structure, or an inclined sheet structure. The sizes of the flow channels LP formed by all the heat dissipation parts 1321 can be different from each other, or completely the same, or partially the same. This is not specifically limited herein.

[0129] According to some embodiments of the present application, please refer to Figures 14 to 16 , Figure 14 is a three-dimensional structure schematic diagram of the energy storage converter 100 in some other embodiments of the present application with some structures removed and viewed from one perspective, Figure 15 is a three-dimensional structure schematic diagram of the energy storage converter 100 in some other embodiments of the present application with some structures removed and viewed from another perspective, Figure 16 is Figure 14 a three-dimensional structure schematic diagram of the structure shown in

[0130] with some structures removed. The energy storage converter 100 further includes a wind guiding part 180. The wind guiding part 180 is arranged in the accommodating cavity and is located on the fluid path of the annular air flow.

[0131] By arranging the wind guiding part 180 on the fluid path of the annular air flow, it can guide the air flow to flow in the required direction and path, make the air flow more evenly distributed in the accommodating cavity, enable the air flow to more efficiently participate in the heat dissipation process, improve the utilization rate of the air flow, and thus improve the heat dissipation effect and overall performance of the energy storage converter 100.

[0132] According to some embodiments of the present application, continue to refer to Figures 14 to 16 and, in combination with reference to Figure 17 , Figure 17 is Figure 16 a top view structural schematic diagram of the structure shown in the figure. Among all the air flow generating members 131, along the flow direction of the annular air flow, the air flow generating member 131 adjacent to the heat dissipation member 132 and located downstream of the heat dissipation member 132 is the first generating member 131a, and the air flow generating member 131 adjacent to the heat dissipation member 132 and located upstream of the heat dissipation member 132 is the second generating member 131b. The air guiding member 180 includes a first air guiding unit 181 and a second air guiding unit 182. Along the flow direction of the annular air flow, the first air guiding unit 181 is located downstream of the first generating member 131a, and the second air guiding unit 182 is located downstream of the second generating member 131b.

[0133] The first air guiding unit 181 is located downstream of the first generating member 131a, and can guide the air flow that has been accelerated or redirected by the first generating member 131a, so that it better fits the structure downstream of the heat dissipation member 132, enabling the downstream area of the heat dissipation member 132 to also be fully cooled. Similarly, the second air guiding unit 182 is located downstream of the second generating member 131b, and can direct the air flow flowing out of the second generating member 131b, making the air flow flow more smoothly towards the heat dissipation member 132, improving the cooling effect in the upstream area of the heat dissipation member 132, thereby making the air flow distribution around the entire heat dissipation member 132 more uniform and enhancing the heat exchange efficiency.

[0134] In this way, this layout makes the cooperation between the air guiding unit and the air flow generating member 131 and the heat dissipation member 132 closer. The first air guiding unit 181 and the second air guiding unit 182 respectively optimize the guidance of the air flow upstream and downstream of the heat dissipation member 132, cooperate with the corresponding first generating member 131a, second generating member 131b and heat dissipation member 132 to form a more efficient heat dissipation system. In addition, arranging the air guiding unit according to the positions of the air flow generating member 131 and the heat dissipation member 132 can make better use of the space in the accommodating cavity. The first air guiding unit 181 and the second air guiding unit 182 can be reasonably designed according to the spatial shape and size of their locations, fully filling the empty space in the air flow channel, and realizing the effective guidance of the air flow without occupying too much additional space, improving the utilization rate of the space in the accommodating cavity and making the structure of the energy storage converter 100 more compact.

[0135] According to some embodiments of the present application, continue to refer to Figure 14 , Figure 16 and Figure 17 , the first air guiding unit 181 includes a plurality of air guiding plates 1811. Along the flow direction of the annular air flow, all the air guiding plates 1811 are arranged at intervals.

[0136] By arranging the air guide plates 1811 at intervals, the airflow passing through the first generating member 131a can be further subdivided, so that the airflow is more evenly distributed along the entire annular airflow path. The gaps between two adjacent air guide plates 1811 allow the airflow to pass through, improving the situation where the airflow is concentrated in certain areas, so that relatively balanced cooling airflows can be obtained at various parts downstream of the heat dissipation member 132, and the uniformity of heat dissipation is improved. In addition, the spaced-apart air guide plates 1811 can provide sufficient space for the airflow to pass through while guiding the airflow, reducing the contact area between the airflow and the air guide plates 1811, thereby reducing the airflow resistance, enabling the airflow to flow in the accommodation cavity with lower energy consumption, and improving the efficiency of the entire heat dissipation system.

[0137] It should be noted that the temperature of the airflow after passing through the heat dissipation member 132 is relatively low. Since the air guide plates 1811 are located downstream of the heat dissipation member 132, these relatively low-temperature airflows can be guided to the components that need to be cooled. Moreover, after being guided by the air guide plates 1811, these relatively low-temperature airflows can form a convection with the first side c1 of the liquid cooling member 110, accelerating the removal of the heat absorbed by the liquid cooling plate, and at the same time promoting the circulation of the working fluid in the heat pipe 140. It can be understood that by using multiple spaced-apart air guide plates 1811 to guide the relatively low-temperature airflows, the airflow velocity, direction and turbulence degree can be adjusted, enabling the airflow to fit the surface of the relevant components at the required angle to form a "directional cooling air curtain", thereby improving the heat dissipation efficiency of the locally overheated parts and further improving the temperature uniformity as a whole.

[0138] According to some embodiments of the present application, please continue to refer to Figure 14 、 Figure 16 and Figure 17 , the accommodation cavity has a peripheral side wall H arranged around the central axis of the housing 170, and the extending direction of the central axis of the housing 170 is parallel to the first direction F1. The air guide plates 1811 are arranged on the peripheral side wall H, and the air guide plates 1811 extend in a direction away from the peripheral side wall H from the peripheral side wall H. The air guide plates 1811 have a starting end e1 and a terminating end e2 arranged opposite to each other. The starting end e1 is connected to the peripheral side wall H, and the terminating end e2 is away from the peripheral side wall H. Along the flowing direction of the annular airflow, the terminating end e2 of the previous air guide plate 1811 is closer to the next air guide plate 1811 than the starting end e1.

[0139] Along the flow direction of the annular airflow, the terminal end e2 of the previous air guide plate 1811 is closer to the next air guide plate 1811 than the starting end e1. This design forms a structure similar to a "relay", guiding the airflow to flow along the desired path, reducing the occurrence of airflow turbulence and backflow, allowing the airflow to flow more smoothly in the accommodating cavity, reducing airflow resistance, and improving the utilization rate of the airflow, thereby enhancing the heat dissipation effect. At the same time, the air guide plate 1811 is arranged on the peripheral side wall H and extends in a direction away from the peripheral side wall H, making full use of the peripheral side space of the accommodating cavity, achieving effective guidance and control of the airflow without occupying too much internal space, and facilitating the compact design of the device.

[0140] According to some embodiments of this application, please continue to refer to Figure 14 , Figure 16 and Figure 17 The air guide plate 1811 is extended along a straight line from a starting end e1 of the air guide plate 1811 to a terminating end e2 of the air guide plate 1811 .

[0141] In this way, by setting a linear wind guide plate 1811, a clear and stable guiding path can be provided for the airflow, so that the airflow passing through the heat sink 132 can flow regularly along a straight direction, reducing the turbulence and eddy current phenomenon of the airflow, thereby more efficiently guiding the airflow to the target position and improving the accuracy and stability of heat dissipation.

[0142] Of course, in some other embodiments, the air guide plate 1811 is extended along a curved line from the starting end e1 of the air guide plate 1811 to the ending end e2 of the air guide plate 1811. In this way, the air guide surface of the air guide plate 1811 can be a curved surface, so that the turning of the airflow can be smoother.

[0143] According to some embodiments of this application, please continue to refer to Figure 14 , Figure 16 and Figure 17 , the extension direction of the air guide plate 1811 from the starting end e1 of the air guide plate 1811 to the ending end e2 of the air guide plate 1811 is defined as the reference direction. The reference directions corresponding to all the air guide plates 1811 are parallel to each other. That is, the inclination directions of the air guide plates 1811 relative to the peripheral side wall H are substantially consistent.

[0144] In this way, not only can the airflow flow in a unified and more regular direction, thereby forming an orderly airflow field in the accommodating cavity and improving the efficiency and accuracy of airflow guidance, but the resistance encountered by the airflow during the flow process can also be made more stable, which helps to maintain the stability and continuity of the airflow and make the performance of the cooling system more stable and reliable.

[0145] According to some embodiments of this application, please continue to refer to Figures 14 to 17The second air guide unit 182 is configured as a cover body. The second air guide unit 182 has an air inlet k1 and an air outlet k2 which are arranged opposite to each other and communicate with each other, and the second generating element 131b is arranged at the air inlet k1.

[0146] Since the second air guide unit 182 is located downstream of the second generating element 131b and upstream of the heat sink 132, the airflow generated by the second generating element 131b can be concentrated and guided to the heat sink 132. It can be understood that compared with the airflow located downstream of the first generating element 131a and upstream of the second generating element 131b, the temperature of the airflow downstream of the second generating element 131b is higher, the density of the hot air flow is relatively small, and it will naturally flow upward. The second air guide unit 182 constructed as a cover body limits the flow path of the airflow, enhances the forced convection heat exchange effect between the airflow and the heat sink 132, and further improves the heat dissipation performance.

[0147] According to some embodiments of this application, please continue to refer to Figures 14 to 17 The second air guide unit 182 includes a first air guide wall 1821 and a second air guide wall 1822. The first air guide wall 1821 is disposed on the first side c1 of the liquid cooling element 110. The second air guide wall 1822 is disposed at an end of the first air guide wall 1821 that is away from the liquid cooling element 110. The first air guide wall 1821, which faces the central axis of the housing 170, the second air guide wall 1822 and the first side c1 of the liquid cooling element 110, define an air guide channel WP having an opening I, the inlet of the air guide channel WP constitutes an air inlet k1, and the outlet of the air guide channel WP constitutes an air outlet k2. The opening I is disposed opposite to the first air guide wall 1821, and the opening I is connected to the air inlet k1 and the air outlet k2.

[0148] By setting the opening I, the side of the air guide channel WP close to the central axis of the shell 170 is connected to the accommodating cavity. During the flow of air, the opening I helps to balance the air pressure inside and outside the air guide channel WP, thereby facilitating the air flow to reach the heat sink 132 through the air guide channel WP. In addition, the opening I can play a certain buffering and silencing role. When the air flow flows in the air guide channel WP, noise may be generated. The opening I allows the air flow to have a certain buffer space, and part of the noise energy can be released and attenuated at the opening I, thereby reducing the noise generated when the entire heat dissipation system is in operation.

[0149] According to some embodiments of this application, please continue to refer to Figures 14 to 17, the second air guide wall 1822 includes a first air guide section E1 and a second air guide section E2 which are arranged away from the second generating element 131b. The first air guide section E1 and the second air guide section E2 are connected. The end of the first air guide section E1 close to the first generating element 131a is the first air guide end, and the end of the first air guide section E1 connected to the second air guide section E2 is the second air guide end. Compared with the first air guide end, the second air guide end is closer to the first side c1 of the liquid cooling element 110. The first air guide section E1 is extended in a straight line direction between the first air guide end and the second air guide end. The end of the second air guide section E2 connected to the first air guide section E1 is the third air guide end, and the end of the second air guide section E2 away from the first air guide section E1 is the fourth air guide end. Compared with the third air guide end, the fourth air guide end is closer to the first side c1 of the liquid cooling element 110. The second air guide section E2 is extended in a straight line direction between the third air guide end and the fourth air guide end. The angle between the first wind guide end and the direction of the second wind guide end and the first direction F1 is the first angle, and the angle between the third wind guide end and the direction of the fourth wind guide end and the first direction F1 is the second angle. The first angle is smaller than the second angle. That is, the second wind guide segment E2 is steeper than the first wind guide segment E1.

[0150] In this way, by designing the second air guide section E2 to be steeper, the air flow channel will become narrower in this section, so that the speed of the air flow will increase when passing through the second air guide section E2. Not only can the air flow quickly exchange heat with the first side c1 of the liquid cooling component 110 and the components located at the second air guide section E2 to improve the heat dissipation efficiency, but it is also beneficial to further enhance the forced convection heat exchange effect between the air flow and the heat sink 132, thereby further improving the heat dissipation performance.

[0151] Therefore, in combination with the contents illustrated in some of the above embodiments, by cooperating with each other, the first air guiding unit 181 and the second air guiding unit 182, different methods of air guiding are performed for different areas of the annular airflow, which can further enhance the heat dissipation effect of the annular airflow on related components.

[0152] According to some embodiments of this application, please continue to refer to Figure 16 and Figure 17, the energy storage converter 100 further includes a circuit board assembly 190 disposed on the first side c1 of the liquid cooling member 110. The circuit board assembly 190 includes a circuit board and a plurality of electronic components disposed on the circuit board. The circuit board has a first region Z1, a second region Z2, and a third region Z3 arranged along the second direction F2. The plurality of electronic components are disposed in the first region Z1, the second region Z2, and the third region Z3. The second air guiding wall 1822 is located on the side of the circuit board assembly 190 facing away from the liquid cooling member 110. The first region Z1 is a region close to the first air guiding unit 181, and the third region Z3 is a region close to the second air guiding unit 182. The average heat generation amount of all the electronic components disposed in the first region Z1 is greater than the average heat generation amount of all the electronic components disposed in the third region Z3, and the average heat generation amount of all the electronic components disposed in the third region Z3 is greater than the average heat generation amount of all the electronic components disposed in the second region Z2.

[0153] In the embodiments of the present application, the heat generation amount refers to the heat generation value emitted by an electronic component when the electronic component operates at a rated voltage to a stable state (the heat generation value is relatively stable). Taking all the electronic components disposed in the first region Z1 as an example, the rated voltages corresponding to all the electronic components disposed in the first region Z1 may be different or the same. The average heat generation amount of all the electronic components disposed in the first region Z1 can be the average value of the heat generation values corresponding to all the electronic components disposed in the first region Z1 when all the electronic components disposed in the first region Z1 operate to a stable state at the rated voltage corresponding to each electronic component. The "average heat generation amount of all the electronic components disposed in the second region Z2" and the "average heat generation amount of all the electronic components disposed in the third region Z3" can be understood by referring to the "average heat generation amount of all the electronic components disposed in the first region Z1", and will not be elaborated here.

[0154] Electronic components with a small heat generation amount are less affected by the surrounding environmental temperature. By arranging electronic components with a large heat generation amount and electronic components with a large heat generation amount in separate zones, the thermal interference of electronic components with a large heat generation amount on electronic components with a small heat generation amount can be reduced. Since the temperature of the airflow at the first air guiding unit 181 is lower than the temperature of the airflow at the second air guiding unit 182, more heat in the first region Z1 can be taken away than the heat in the third region Z3, and more heat in the third region Z3 can be taken away than the heat in the second region Z2. Furthermore, the formed annular airflow, the first air guiding unit 181, and the second air guiding unit 182 can be cooperated with each other to dissipate heat from different regions, which helps to improve the heat dissipation effect and the temperature uniformity.

[0155] According to some embodiments of the present application, please continue to refer to Figure 16, the circuit board in the circuit board assembly 190 is arranged at an interval from the first side c1 of the liquid cooling member 110 along the first direction F1, and an interval channel GP is defined. A part of the outlet of the second generating member 131b is communicated with the air inlet k1 of the second air guiding unit 182, and another part of the outlet of the second generating member 131b is communicated with the interval channel GP.

[0156] In this way, the air flow flowing out of the outlet of the second generating member 131b can dissipate heat from the liquid cooling member 110 and the circuit board through two different paths. On the one hand, the air guiding unit guides the air flow to intensively dissipate heat from the first side c1 of the liquid cooling member 110; on the other hand, the air flow in the interval channel GP can directly act on the circuit board in the circuit board assembly 190 to take away the heat generated by the circuit board, and at the same time can also dissipate heat from the side of the liquid cooling member 110 close to the circuit board. It can be understood that the circuit board can divide the air flow flowing out of the outlet of the second generating member 131b, so that the air flow can be more evenly distributed on the surface and around the circuit board, increasing the contact area between the air flow and the circuit board and strengthening the convective heat transfer process, thereby more effectively taking away the heat on the circuit board.

[0157] According to some embodiments of the present application, please continue to refer to Figure 1 , the energy storage converter 100 may have at least one of a photovoltaic interface, a battery interface, a grid input interface, a DC output interface, and an AC output interface. Among them, the energy storage converter 100 can be connected to a solar cell or other renewable energy power generation systems through the photovoltaic interface. The energy storage converter 100 is connected to a battery through the battery interface. The battery can store electrical energy so that the electrical energy of the battery can be converted and output through the energy storage converter 100. The grid input interface can access the high-voltage electrical energy of the grid and output it to low-voltage electrical equipment or systems after being stepped down by the energy storage converter 100. The AC output interface can be connected to products that require alternating current such as household appliances, and the energy storage converter 0 outputs electrical appliances by converting alternating current into direct current. The DC output interface can be connected to devices that require direct current power such as charging piles.

[0158] In this way, it can be flexibly set according to actual usage requirements, improving the adaptability of the energy storage converter 100 and meeting the usage requirements in different scenarios, and no specific limitations are made here.

[0159] According to some embodiments of the present application, the embodiments of the present application provide an energy storage system, including the energy storage converter 100 in any of the above embodiments.

[0160] In some embodiments, the energy storage system further includes a battery, and the aforementioned energy storage inverter 100 is electrically connected to the battery. The energy storage inverter 100 can convert the energy generated by solar energy, wind power generation, fuel cells, etc. into direct current electricity and store it in the battery. When power is needed, the electrical energy in the battery is output. The energy storage system can provide reliable energy reserves for users and provide backup power to users in case of power outages or insufficient power, facilitating user use.

[0161] The energy storage system also has the same advantages as those of the aforementioned energy storage inverter 100, which will not be elaborated here.

[0162] According to some embodiments of the present application, embodiments of the present application provide an electrical device, including the energy storage inverter 100 in any of the above embodiments.

[0163] In some embodiments, the electrical device further includes a battery. The battery serves as the power source of the electrical device, and the energy storage inverter 100 is electrically connected to the battery. Exemplarily, the electrical device can be, but is not limited to, a charging station, power generation and distribution equipment, a power generation system, an energy storage system, etc.

[0164] The electrical device also has the same advantages as those of the above energy storage inverter 100, and no specific limitations are made here.

[0165] The technical features of the above embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as the combinations of these technical features do not conflict, they should all be considered as the scope described in this specification.

[0166] The above embodiments only represent several implementation manners of the present application. Their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the patent application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can still be made, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. An energy storage converter, characterized in that: include: A liquid cooling member having a liquid cooling channel; The liquid cooling element has a first side and a second side disposed opposite to each other along a first direction, and the first side has a plurality of mounting areas; A plurality of devices are arranged in one-to-one correspondence with the plurality of installation areas; the devices are arranged in the corresponding installation areas; an air cooling component, disposed on the first side; the air cooling component comprises an airflow generating element and a heat sink, the heat sink being located on the airflow path generated by the airflow generating element; and A plurality of heat pipes are arranged corresponding to the plurality of installation areas one by one; one end of the heat pipe is located in the corresponding installation area, the other end of the heat pipe is located between the heat sink and the liquid cooling element, and the heat sink is attached to a side of the heat pipe away from the liquid cooling element.

2. The energy storage converter according to claim 1, characterized in that: The heat pipe is attached to the first side of the liquid cooling component.

3. The energy storage converter according to claim 1, characterized in that: The energy storage converter also includes a plurality of temperature averaging plates; The multiple temperature averaging plates are arranged in one-to-one correspondence with the multiple installation areas. The temperature averaging plates are located in the corresponding installation areas. The corresponding devices are provided on the side of the temperature averaging plates away from the liquid cooling component. The installation areas corresponding to the temperature averaging plates and the corresponding devices are the same installation area.

4. The energy storage converter according to claim 3, characterized in that: The temperature homogenizing plate is embedded in the first side of the liquid cooling component; and / or One end of the heat pipe located in the corresponding installation area is connected to the corresponding temperature averaging plate, and the installation areas corresponding to the heat pipe and the corresponding temperature averaging plate are the same installation area.

5. The energy storage converter according to any one of claims 1 to 4, characterized in that: The liquid cooling channel comprises a first buffer section and a main section, the first buffer section is connected to the inlet of the liquid cooling channel, and the main section is connected to the first buffer section and the outlet of the liquid cooling channel; The orthographic projection of the first buffer section on the reference plane, the orthographic projection of the heat pipe on the reference plane and the orthographic projection of the heat sink on the reference plane have overlapping parts, and the orthographic projection of the main section on the reference plane and the orthographic projection of the multiple devices on the reference plane have overlapping parts; the reference plane is a plane perpendicular to the first direction.

6. The energy storage converter according to claim 5, characterized in that: The energy storage converter also includes a plurality of flow-disturbing structures; The plurality of spoiler structures are arranged at intervals and are disposed in the first buffer section.

7. The energy storage converter according to claim 6, characterized in that: From the inlet of the liquid cooling channel to the outlet of the liquid cooling channel, the extension direction of the liquid cooling channel is the reference direction; Along the reference direction, the distribution density of the plurality of spoiler structures within a unit space area of ​​the liquid cooling channel shows a decreasing trend.

8. The energy storage converter according to claim 5, characterized in that: The liquid cooling channel also includes a second buffer section connected between the main body section and the outlet of the liquid cooling channel.

9. The energy storage converter according to any one of claims 1 to 4, characterized in that: The energy storage converter also includes a housing; The housing has a receiving cavity, the liquid cooling component is arranged in the receiving cavity, the first side of the liquid cooling component and the cavity wall of the receiving cavity define an receiving cavity, and the plurality of devices and the air cooling component are arranged in the receiving cavity; There are multiple airflow generating members, all of which are configured to generate an annular airflow around an axis in the accommodating cavity. The heat sink is located on the path of the annular airflow, and the extension direction of the axis and the first direction are parallel to each other.

10. The energy storage converter according to claim 9, characterized in that: The heat sink comprises at least one row of a plurality of heat sinks arranged at intervals along the first direction, and each row of the heat sinks defines a flow channel; The inlet side of one of the airflow generating elements among all the airflow generating elements is connected to one side of the heat dissipating element, and the inlet of the one of the airflow generating elements is communicated with the circulation channel.

11. The energy storage converter according to claim 9, characterized in that: The energy storage converter also includes an air guide; The air guide member is arranged in the accommodating cavity and is located on the fluid path of the annular airflow.

12. The energy storage converter according to claim 11, characterized in that: Among all the airflow generating elements, along the flow direction of the annular airflow, the airflow generating element adjacent to the heat sink and located downstream of the heat sink is a first generating element, and the airflow generating element adjacent to the heat sink and located upstream of the heat sink is a second generating element; The air guide member includes a first air guide unit and a second air guide unit; along the flow direction of the annular airflow, the first air guide unit is located downstream of the first generating member, and the second air guide unit is located downstream of the second generating member.

13. The energy storage converter according to claim 12, characterized in that: The first air guide unit includes a plurality of air guide plates; Along the flow direction of the annular airflow, all the air guide plates are arranged at intervals.

14. The energy storage converter according to claim 13, characterized in that: The accommodating cavity has a peripheral side wall arranged around the central axis of the shell, and the extension direction of the central axis of the shell is parallel to the first direction; The wind deflector is arranged on the peripheral side wall, and the wind deflector extends from the peripheral side wall in a direction away from the peripheral side wall, and the wind deflector has a starting end and a terminating end which are arranged opposite to each other, the starting end is connected to the peripheral side wall, and the terminating end is away from the peripheral side wall; Along the flow direction of the annular airflow, the terminal end of the first air guide plate is closer to the second air guide plate than the starting end.

15. The energy storage converter according to claim 14, characterized in that: The air guide plate is extended along a straight line from a starting end of the air guide plate to a terminating end of the air guide plate.

16. The energy storage converter according to claim 15, characterized in that: Define the extension direction of the air guide plate from the starting end of the air guide plate to the ending end of the air guide plate as a reference direction; The reference directions corresponding to all the air guide plates are parallel to each other.

17. The energy storage converter according to claim 12, characterized in that: The second air guide unit is configured as a cover; The second air guiding unit has an air inlet and an air outlet which are arranged opposite to each other and communicated with each other, and the second generating element is arranged at the air inlet.

18. The energy storage converter according to claim 17, characterized in that: The second air guide unit comprises: a first air guide wall, disposed on the first side of the liquid cooling component; and A second air guide wall, provided at an end of the first air guide wall away from the liquid cooling element; The first air guide wall, a side facing the central axis of the housing, the second air guide wall and the first side of the liquid cooling element define an open air guide channel, the inlet of the air guide channel constitutes the air inlet, and the outlet of the air guide channel constitutes the air outlet; The opening is arranged opposite to the first air guide wall, and the opening is connected to the air inlet and the air outlet.

19. An energy storage system, characterized in that: Comprising the energy storage converter as described in any one of claims 1-18.

20. An electrical equipment, characterized in that: Comprising the energy storage converter as described in any one of claims 1-18.

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