Energy storage converter

Abstract

To provide an energy storage converter that further improves the heat dissipation effect of a radiator and further improves the heat dissipation performance of the energy storage converter.SOLUTION: An energy storage converter includes: a substrate with electronic components on one side and a radiator 3 on the other side; and at least one heat pipe group 4 provided on the side of the radiator proximate to the substrate and connected to the radiator. The heat pipe group includes at least one first heat pipe 41. The first heat pipe includes a body portion and an extended portion. The extended portion is located at least on one side of the body portion along a longitudinal direction of the body portion, and is connected to the body portion. The extended portion and the body portion are at an included angle. A ratio of a length of the body portion to a length of the extended portion is 4.3 to 4.5. This effectively increases a heat conduction area of the first heat pipe, improves a heat conduction efficiency of the first heat pipe, improves the heat dissipation effect of the radiator, and further improves the heat dissipation performance of the energy storage converter.SELECTED DRAWING: Figure 2

Description

[Technical field]

[0001] The present invention relates to the field of energy storage technology, and in particular to energy storage converters. [Background technology]

[0002] With the development of science and technology, the application field of the energy storage device is becoming wider and wider, and the energy storage device is usually equipped with an energy storage converter that can realize conversion between direct current and alternating current so that the energy storage device can supply power to the outside. The energy storage converter is equipped with a heat sink for heat dissipation, but the current heat sink has poor heat dissipation effect and is likely to affect the normal operation of the energy storage converter. Summary of the Invention [Problem to be solved by the invention]

[0003] In view of this, the present invention provides an energy storage converter to solve the problem of poor heat dissipation effect of the heat sink of the energy storage converter in the prior art. [Means for solving the problem]

[0004] An embodiment of the present invention provides an energy storage converter, comprising: a substrate having electronic components on one side and a heat sink on the other side; and at least one heat pipe group provided on a side of the heat sink close to the substrate and connected to the heat sink, wherein the heat pipe group includes at least one first heat pipe, the first heat pipe including a main body and an extension, the extension being located on at least one side of the main body along a longitudinal direction of the main body and communicating with the main body, the extension and the main body forming an included angle, and a ratio of a length of the main body to a length of the extension is 4.3 to 4.5.

[0005] In one possible embodiment, the first heat pipe includes one extension portion, the extension portion is located at one end of the main body portion along the longitudinal direction of the main body portion, and the included angle α between the main body portion and the extension portion is 130° to 140°.

[0006] In one possible embodiment, the first heat pipe includes two extension portions, each of which is located at both ends of the main body portion along the longitudinal direction of the main body portion, and the two extension portions extend toward the same side of the main body portion along the short direction of the main body portion, or the two extension portions extend toward both sides of the main body portion.

[0007] In one possible embodiment, the two extension portions extend in parallel directions.

[0008] In one possible embodiment, the extension portion includes at least a first extension segment and a second extension segment, the second extension segment being located on a side of the first extension segment away from the main body portion and communicating with the main body portion via the first extension segment, and the first extension segment and the second extension segment form an included angle.

[0009] In one possible embodiment, the heat pipe group includes a plurality of first heat pipes, the plurality of first heat pipes being arranged at intervals along the longitudinal or lateral direction of the heat sink, or the plurality of first heat pipes being arranged continuously.

[0010] In one possible embodiment, the heat pipe group further includes at least one second heat pipe, the extension direction of the second heat pipe is the same as the extension direction of the main body, and the length of the second heat pipe is shorter than the length of the first heat pipe.

[0011] In one possible embodiment, the ratio of the length of the second heat pipe to the length of the first heat pipe is 0.81 to 0.84.

[0012] In one possible embodiment, in the heat pipe group, the first heat pipe and the second heat pipe are arranged along the longitudinal or transverse direction of the heat sink, and the second heat pipe is located between two adjacent first heat pipes.

[0013] In one possible embodiment, in the heat pipe group, the first heat pipes and the second heat pipes are arranged alternately along the longitudinal or lateral direction of the heat sink.

[0014] In one possible embodiment, the energy storage converter includes a plurality of heat pipe groups, the plurality of heat pipe groups being arranged at intervals along the longitudinal or lateral direction of the heat sink, or the plurality of heat pipe groups being arranged continuously.

[0015] In one possible embodiment, the heat sink includes a heat sink plate and a heat sink fin, the group of heat pipes is provided on the heat sink plate, and the heat sink fin is located on the side of the heat sink plate away from the group of heat pipes and is connected to the heat sink plate. Effect of the Invention

[0016] An embodiment of the present invention provides an energy storage converter. The energy storage converter includes a substrate having electronic components on one side and a heat sink on the other side, and at least one heat pipe group provided on the heat sink side adjacent to the substrate and connected to the heat sink, where the heat pipe group includes at least one first heat pipe, the first heat pipe includes a main body and an extension, the extension is located on at least one side of the main body along the longitudinal direction of the main body and communicates with the main body, the extension and the main body form an included angle, and the ratio of the length of the main body to the length of the extension is 4.3 to 4.5. By designing in this way, the heat conduction area of ​​the first heat pipe can be effectively increased, the heat conduction efficiency of the first heat pipe can be improved, and the heat dissipation efficiency of the heat sink can be further improved. Here, the main body and the extension form an angle, and the first heat pipe can conduct heat in different directions, and the heat can be more evenly distributed to the heat sink so as to improve the temperature uniformity of the heat sink, thereby further improving the heat dissipation effect of the heat sink and further improving the heat dissipation performance of the energy storage converter.

[0017] In order to more clearly explain the technical solutions of the embodiments of the present invention, the following briefly introduces drawings required in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention, and those skilled in the art can further obtain other drawings based on these drawings without any creative work. [Brief description of the drawings]

[0018] [Figure 1] FIG. 1 is a schematic diagram of an energy storage converter according to an embodiment of the present invention. [Diagram 2] FIG. 2 is a schematic diagram of a heat sink according to an embodiment of the present invention. [Diagram 3] FIG. 2 is a schematic diagram of a first heat pipe according to a first embodiment of the present invention. [Figure 4] FIG. 4 is a schematic diagram of a first heat pipe according to a second embodiment of the present invention. [Diagram 5]FIG. 11 is a schematic diagram of a third embodiment of the first heat pipe according to the present invention. [Figure 6] FIG. 11 is a schematic diagram of a fourth embodiment of the first heat pipe according to the present invention. [Figure 7] FIG. 13 is a schematic diagram of a fifth embodiment of the first heat pipe according to the present invention. [Figure 8] FIG. 2 is a front view of an embodiment of a heat sink according to the present invention; [Figure 9] FIG. 11 is a front view of a heat sink according to another embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0019] In order to better understand the technical solution of the present invention, the following detailed description of the embodiments of the present invention is given with reference to the accompanying drawings.

[0020] It should be clear that the described embodiments are only some of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments that a person skilled in the art can obtain without inventive efforts fall within the scope of protection of the present invention.

[0021] The terms used in the embodiments of the present invention are only for the purpose of describing particular embodiments, and are not intended to limit the present invention. The singular forms "a," "the," and "the" used in the embodiments of the present invention and the appended claims are also intended to include the plural forms unless the context clearly dictates otherwise.

[0022] It should be understood that the term "and / or" used in this specification only describes the related relationship of related objects, and there may be three types of relationships, for example, A and / or B can represent the following relationship, and there are three types of situations: A exists alone, A and B exist at the same time, and B exists alone. In addition, the symbol " / " in this specification generally indicates that the related objects before and after are in an "or" relationship.

[0023] As shown in Figs. 1-3, an embodiment of the present invention provides an energy storage converter 100. The energy storage converter 100 includes a substrate 1 and at least one heat pipe group 4, the substrate 1 is provided with an electronic component 2 on one side and a heat sink 3 on the other side, the heat pipe group 4 is provided on a side of the heat sink 3 close to the substrate 1 and connected to the heat sink 3. Here, the heat pipe group 4 includes at least one first heat pipe 41, the first heat pipe 41 includes a main body portion 411 and an extension portion 412, the extension portion 412 is located on at least one side of the main body portion 411 along the longitudinal direction of the main body portion 411 and communicates with the main body portion 411, the extension portion 412 and the main body portion 411 form an included angle α, and the ratio of the length of the main body portion 411 to the length of the extension portion 412 is 4.3-4.5.

[0024] In the process of the energy storage converter 100 operating, the electronic component 2 releases a large amount of heat, which is transferred to the substrate 1, which transfers the heat to the heat sink 3 through the first heat pipe 41, and the thermal energy is dissipated by the heat sink 3. Here, the substrate 1 may be a copper substrate 1 having good thermal conductivity. The substrate 1 may be connected to the heat sink 3 through a fastener such as a screw (not shown), and the first heat pipe 41 may be embedded in the heat sink 3. The first heat pipe 41 has good thermal conductivity and can realize rapid conduction of heat, and can rapidly conduct the heat transferred from the substrate 1 to the heat sink 3, which is advantageous to improving the heat dissipation effect of the heat sink 3. The heat pipe group 4 may have a plurality of first heat pipes 41, and specifically, the longitudinal direction of the main body 411 of the first heat pipe 41 may be parallel to the short-side direction Y of the heat sink 3, and the short-side direction of the main body 411 may be parallel to the longitudinal direction X of the heat sink 3. The extension portion 412 is connected to the main body portion 411 and is provided at an angle with respect to the main body portion 411, that is, the extension directions of the main body portion 411 and the extension portion 412 are different. Specifically, the included angle α between the extension portion 412 and the main body portion 411 may be between about 120° and 150°. Therefore, the main body portion 411 and the extension portion 412 can conduct heat in different directions, which is advantageous for increasing the heat conduction range of the first heat pipe 41. In addition, the lengths of the main body portion 411 and the extension portion 412 are different, and the length of the main body portion 411 is greater than the length of the extension portion 412. Note that the length of the main body portion 411 is, in other words, the dimension in the extension direction of the main body portion 411, and similarly, the length of the extension portion 412 is the dimension in the extension direction of the extension portion 412. Specifically, the ratio of the length of the main body portion 411 to the length of the extension portion 412 is 4.3, 4.33, 4.35, 4.37, 4.4, 4.43, 4.45, 4.47, 4.5, and of course may be other values ​​within the above range.

[0025] In the embodiment of the present invention, the first heat pipe 41 can play a role of quickly conducting heat, and by laying the first heat pipe 41 in the heat sink 3 or in the heat sink 3, the heat dissipated from the electronic component 2 can be quickly and effectively transferred to the heat sink 3, and such a heat dissipation method is reliable, and the heat can be dissipated by the heat sink 3 in a timely manner, which reduces the possibility that the electronic component 2 will break down due to its own overheating, and is also advantageous for maintaining the normal operation of the energy storage converter 100. Here, regarding the first heat pipe 41, the heat pipe on the heat sink in the prior art usually has a small heat conduction area and a low heat conduction efficiency, which is likely to affect the heat dissipation performance of the heat sink, and furthermore, is likely to affect the normal operation of the entire energy storage converter. In the embodiment of the present invention, the first heat pipe 41 has a main body 411 and an extension 412. The extension 412 can effectively increase the heat conduction area of ​​the first heat pipe 41, so as to improve the heat conduction effect of the first heat pipe 41, which is advantageous to improve the heat conduction efficiency of the first heat pipe 41, and is further advantageous to improve the heat dissipation performance of the heat sink 3. At the same time, the main body 411 and the extension 412 form an included angle, so that the first heat pipe 41 can conduct heat in different directions, which can improve the heat conduction range of the first heat pipe 41 and disperse heat more uniformly in the heat sink 3, that is, which is advantageous to improve the temperature uniformity of the heat sink 3, and is further advantageous to further improve the heat dissipation effect of the heat sink 3. As described above, by providing the first heat pipe 41, the heat sink 3 can have reliable heat dissipation performance, which is also advantageous in improving the heat dissipation efficiency of the heat sink 3, reducing the possibility of high-temperature failure occurring in the electronic component 2 so that the energy storage converter 100 can operate normally and stably, and further improving the reliability of the entire energy storage converter 100.

[0026] As shown in FIG. 1 , a fan 5 may be provided inside the energy storage converter 100. The operation of the fan 5 is advantageous to further improve the heat dissipation effect of the heat sink 3, thereby improving the heat dissipation performance of the entire energy storage converter 100, so as to realize the normal and stable operation of the energy storage converter 100.

[0027] As shown in FIG. 3, in one possible embodiment, the first heat pipe 41 includes one extension portion 412, which is located at one end of the main body portion 411 along the longitudinal direction of the main body portion 411, and the included angle α between the main body portion 411 and the extension portion 412 is 130° to 140°.

[0028] Along the longitudinal direction of the main body 411, the extension 412 may be provided at the upper end of the main body 411 or at the lower end of the main body 411, where the included angle α between the main body 411 and the extension 412 may be 131°, 132°, 133°, 134°, 135°, 136°, 137°, 138°, 139°, 140°, or of course other values ​​within the above range. Preferably, the included angle α is 135°.

[0029] By specifying the angle range of the included angle between the main body portion 411 and the extension portion 412, it is advantageous to improve the structural stability of the first heat pipe 41 itself, to improve the reliability of the first heat pipe 41, to extend the service life of the first heat pipe 41, and further to improve the reliability of the heat sink 3, and is also advantageous for the processing and production of the first heat pipe 41.

[0030] In the above embodiment, the extension portion 412 is provided at the end of the main body portion 411, and in some other embodiments, the extension portion may be provided at other positions of the main body portion, such as the midpoint of the main body portion, etc. The position of the extension portion 412 may be designed correspondingly according to the actual heat source position (e.g., the position of the electronic component 2) in the energy storage converter 100 so as to improve the heat dissipation effect of the heat sink 3.

[0031] As shown in Figures 4 and 5, in one possible embodiment, the first heat pipe 41 includes two extension portions 412, which are located at both ends of the main body portion 411 along the longitudinal direction of the main body portion 411, and the two extension portions 412 extend toward the same side of the main body portion 411 along the short direction of the main body portion 411, or the two extension portions 412 extend toward both sides of the main body portion 411.

[0032] The two extension parts 412 may be provided at the upper end and the lower end of the main body part 411 along the longitudinal direction of the main body part 411. The two extension parts 412 may extend in the same direction of the main body part 411 at the same time along the short side direction of the main body part 411, so that the first heat pipe 41 has a substantially "C" shaped structure. Alternatively, the two extension parts 412 extend on both sides of the main body part 411 along the short side direction of the main body part 411, respectively, that is, the extension directions of the two extension parts 412 are opposite to each other, so that the first heat pipe 41 has a substantially "Z" shaped structure.

[0033] By providing the two extension parts 412, it is advantageous to further increase the heat conduction area of ​​the first heat pipe 41, and is advantageous to improve the heat conduction efficiency of the first heat pipe 41 so as to improve the reliability of the first heat pipe 41; at the same time, such a design allows the heat to be more uniformly distributed in the heat sink 3, and is advantageous to improve the temperature uniformity of the heat sink 3 and the heat dissipation effect of the heat sink 3. Here, in order to improve the heat dissipation effect of the heat sink 3, the extension directions of the two extension parts 412 may be determined based on the actual position of the heat source.

[0034] As shown in FIG. 5, in one possible embodiment, the two extension portions 412 extend in parallel to each other.

[0035] In the two extension parts 412, the included angle between one extension part 412 and the main body part 411 is α1, and the included angle between the other extension part 412 and the main body part 411 is α2, and the included angle α1 and the included angle α2 are the same angle, that is, the two extension parts 412 may be arranged in parallel. Such a design is advantageous for improving the stability of the structure of the first heat pipe 41 itself and for extending the service life of the first heat pipe 41. Meanwhile, when there are multiple first heat pipes 41 in the heat pipe group 4, the above design is also advantageous for realizing a parallel arrangement of multiple first heat pipes 41, so as to further improve the heat conduction effect of the heat pipe group 4.

[0036] As shown in Figures 6 and 7, in one possible embodiment, the extension portion 412 includes at least a first extension segment 412a and a second extension segment 412b, the second extension segment 412b is located on the side of the first extension segment 412a away from the main body portion 411 and communicates with the main body portion 411 via the first extension segment 412a, and the first extension segment 412a and the second extension segment 412b form an included angle β.

[0037] The first extension segment 412a and the second extension segment 412b are connected to each other to form a bent structure, and the lengths of the first extension segment 412a and the second extension segment 412b may be the same or different. Here, the extension directions of the first extension segment 412a and the second extension segment 412b are different, specifically, the main body portion 411, the first extension segment 412a, and the second extension segment 412b may all extend in different directions, or the extension directions of the main body portion 411 and the second extension segment 412b may be the same, and the first extension segment 412a has one end connected to the main body portion 411 and the other end connected to the second extension segment 412b, and forms a corresponding included angle with the main body portion 411 and the second extension segment 412b.

[0038] Such a design is advantageous in further increasing the thermal conduction area of ​​the first heat pipe 41, and also enables the first heat pipe 41 to conduct heat in multiple directions, further improving the thermal conduction effect of the first heat pipe 41 and further improving the heat dissipation effect of the heat sink 3.

[0039] In one possible embodiment, the heat pipe group 4 includes a plurality of first heat pipes 41, which are arranged at intervals along the longitudinal direction X or the lateral direction Y of the heat sink, or the plurality of first heat pipes 41 are arranged continuously.

[0040] The number, arrangement direction and arrangement manner of the first heat pipes 41 can be designed according to the actual situation of the heat source and its distribution position. Specifically, in the heat pipe group 4, the first heat pipes 41 may be arranged at uniform intervals, or the first heat pipes 41 may be arranged at non-uniform intervals, for example, the interval distance between adjacent first heat pipes 41 gradually increases or decreases toward the edge of the heat sink 3. Of course, the first heat pipes 41 may be arranged continuously. In some other embodiments, some of the first heat pipes 41 in the heat pipe group 4 may be arranged at intervals, and other first heat pipes 41 may be arranged continuously.

[0041] A plurality of the heat pipe groups 4 may be provided in the heat dissipator 3, and the number of the first heat pipes 41 in each heat pipe group 4 may be the same or different. Some of the first heat pipes 41 in the heat pipe group 4 may be arranged along the longitudinal direction X of the heat dissipator 3, and other first heat pipes 41 in the heat pipe group 4 may be arranged along the lateral direction Y of the heat dissipator 3. Some of the first heat pipes 41 in the heat pipe group 4 may be arranged at intervals, and other first heat pipes 41 in the heat pipe group 4 may be arranged continuously.

[0042] By designing the arrangement method of the first heat pipe 41, the heat pipe group 4 can be better adapted to the heat source, which is beneficial to improving the thermal conduction effect of the entire heat pipe group 4 so as to realize the stable and normal operation of the energy storage converter 100, and is also beneficial to improving the heat dissipation effect of the heat sink 3 and its heat dissipation efficiency.

[0043] As shown in Figures 2 and 8, in one possible embodiment, the heat pipe group 4 further includes at least one second heat pipe 42, the extension direction of the second heat pipe 42 is the same as the extension direction of the main body portion 411, and the length of the second heat pipe 42 is shorter than the length of the first heat pipe 41.

[0044] In the heat pipe group 4, the first heat pipe 41 and the second heat pipe 42 are arranged at the same time, and similarly, the second heat pipe 42 can also realize rapid conduction of heat. In the heat pipe group 4, the number of the second heat pipes 42 may be one or more, and the length of the second heat pipe 42 may be the same as the length of the main body portion 411 of the first heat pipe 41, but since the first heat pipe 41 further has the extension portion 412, the length of the second heat pipe 42 is shorter than the length of the first heat pipe 41.

[0045] Since the second heat pipe 42 has a small dimension, its production cost is low, and the use of the second heat pipe 42 is advantageous for ensuring the thermal conduction effect of the entire heat pipe group 4 and at the same time reducing the usage cost of the heat pipe group 4, and further advantageous for reducing the production cost of the entire energy storage converter 100. Meanwhile, two types of heat pipes with different dimensional specifications are arranged in the heat pipe group 4, and such a design is advantageous for improving the reliability of the entire heat pipe group 4, and the heat pipe group 4 can be better adapted to the heat source, which is advantageous for improving the heat dissipation effect of the heat sink 3.

[0046] In one possible embodiment, the ratio of the length of the second heat pipe 42 to the length of the first heat pipe 41 is 0.81 to 0.84.

[0047] Specifically, the ratio of the length of the second heat pipe 42 to the length of the first heat pipe 41 is 0.81, 0.82, 0.83, 0.84, and may of course be other values ​​within the above range. By further specifying the length of the second heat pipe 42, it is advantageous to improve the thermal conduction effect of the second heat pipe 42, and is advantageous to improve the thermal conduction effect of the entire heat pipe group 4, as well as to reduce the usage cost of the entire heat pipe group 4.

[0048] As shown in FIG. 8, in one possible embodiment, in the heat pipe group 4, the first heat pipe 41 and the second heat pipe 42 are arranged along the longitudinal direction X or the lateral direction Y of the heat sink 3, where the second heat pipe 42 is located between two adjacent first heat pipes 41.

[0049] The number of the second heat pipes 42 may be more than one, and specifically, the multiple second heat pipes 42 may be arranged continuously or spaced apart between two adjacent first heat pipes 41. More specifically, the heat pipe group 4 may have four first heat pipes 41 and two second heat pipes 42, and the four first heat pipes 41 are arranged in groups of two, each on both sides of two second heat pipes 42, so that the heat pipe group 4 has a symmetrical structure.

[0050] By specifying the arrangement method of the first heat pipe 41 and the second heat pipe 42, the entire heat pipe group 4 can be better adapted to the heat source, which is advantageous for improving the thermal conduction effect of the entire heat pipe group 4 and is also advantageous for improving the heat dissipation effect of the heat sink 3.

[0051] In one possible embodiment, in the heat pipe group 4, the first heat pipes 41 and the second heat pipes 42 are arranged alternately along the longitudinal direction X or the lateral direction Y of the heat sink 3.

[0052] The number of first heat pipes 41 and second heat pipes 42 in the heat pipe group 4 may be more than one, and they may be arranged alternately. Here, the adjacent first heat pipes 41 and second heat pipes 42 may be provided with an interval therebetween, or may be provided continuously.

[0053] Such a design is advantageous in realizing a uniform arrangement of the first heat pipe 41 and the second heat pipe 42 in the heat sink 3, and improves the thermal conduction effect of the entire heat pipe group 4 so as to improve the reliability of the heat pipe group 4, and enables heat to be efficiently and uniformly transferred to the heat sink 3 by the heat pipe group 4, which is further advantageous in improving the heat dissipation effect and heat dissipation efficiency of the heat sink 3.

[0054] As shown in FIG. 8, in one possible embodiment, the energy storage converter 100 includes a plurality of heat pipe groups 4, which are arranged at intervals along the longitudinal direction X or the transverse direction Y of the heat sink 3, or the plurality of heat pipe groups 4 are arranged continuously.

[0055] The number of heat pipe groups 4 may be two, three, four or more, and the multiple heat pipe groups 4 may be arranged along the longitudinal direction X of the heat dissipation body 3, or may be arranged along the lateral direction Y of the heat dissipation body 3. Here, the multiple heat pipe groups 4 may be arranged at intervals, and specifically, the interval distance between adjacent heat pipe groups 4 may be determined based on the position distribution of the heat source. Of course, the multiple heat pipe groups 4 may be arranged continuously.

[0056] By providing multiple heat pipe groups 4, the heat conduction area can be further increased and the heat can be transferred more evenly to the heat sink 31, which is advantageous for further improving the heat dissipation effect of the heat sink 3 and for realizing normal and stable operation of the energy storage converter 100.

[0057] As shown in Figures 2 and 8, in one possible embodiment, the heat sink 3 includes a heat sink plate 31 and a heat sink fin 32, the heat pipe group 4 is provided on the heat sink plate 31, and the heat sink fin 32 is located on the side of the heat sink plate 31 away from the heat pipe group 4 and is connected to the heat sink plate 31.

[0058] The heat sink 31 may be in contact with the substrate 1, and each heat pipe in the heat pipe group 4 is fitted into the heat sink 31. The other side of the heat sink 31 is fixedly connected to a plurality of heat sink fins 32, where two adjacent heat sink fins 32 are spaced apart. The heat sink fins 32 can be in sufficient contact with the air, and can dissipate heat into the air more quickly and efficiently. Therefore, the provision of the heat sink fins 32 is advantageous to further improve the heat dissipation efficiency of the entire heat sink 3, so as to improve the reliability of the heat sink 3.

[0059] As shown in FIG. 9, in some other embodiments, a seal bar 6 may be attached to the heat sink 31. Referring to FIG. 1, when the substrate 1 is connected to the heat sink 3, the seal bar 6 can abut against the substrate 1, and realize a sealed connection between the substrate 1 and the heat sink 3, so as to improve the sealing between the heat sink 3 and the substrate 1, which is favorable for improving the heat dissipation effect of the heat sink 3. Here, a mounting groove (not shown) may be opened in the heat sink 31, and the seal bar 6 may be mounted in the mounting groove, and both ends of the seal bar 6 may be engaged in the mounting groove, and the front and rear ends of the seal bar 6 are connected to form a sealed ring-shaped structure. The heat pipe group 4 is located in the ring-shaped structure, that is, the seal bar 6 can surround each heat pipe group 4, and a certain distance is ensured between the seal bar 6 and the heat pipe group 4 in advance. This design reduces the possibility of interference between the seal bar 6 and the heat pipe group 4, and is convenient for assembling them with the heat sink 31. At the same time, the possibility that the heat pipe group 4 will transfer heat to the seal bar 6, causing the temperature of the seal bar 6 itself to rise and prevent it from operating normally, is reduced, which is advantageous for improving the service life of the seal bar 6.

[0060] The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Those skilled in the art can make various modifications and changes to the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention. [Explanation of symbols]

[0061] 100: Energy storage converter 1: Substrate 2: Electronic components 3: Heat sink 31: Heat sink 32: Heat dissipation fin 4: Heat pipes 41: 1st heat pipe 411: Main body 412: Extension part 412a: First extension segment 421b: Second extension segment 42: Second heat pipe 5: Fan 6: Seal bar

Claims

1. 1. An energy storage converter, comprising: A substrate (1) having an electronic component (2) on one side and a heat sink (3) on the other side; and at least one heat pipe group (4) provided on a side of the heat sink (3) adjacent to the substrate (1) and connected to the heat sink (3), The heat pipe group (4) includes at least one first heat pipe (41), the first heat pipe (41) includes a main body portion (411) and an extension portion (412), the extension portion (412) is located on at least one side of the main body portion (411) along the longitudinal direction of the main body portion (411) and is connected to the main body portion (411), the extension portion (412) and the main body portion (411) form an included angle, and a ratio of a length of the main body portion (411) to a length of the extension portion (412) is 4.3 to 4.

5.

2. The energy storage converter of claim 1, characterized in that the first heat pipe (41) includes one of the extension portions (412), the extension portion (412) is located at one end of the main body portion (411) along the longitudinal direction of the main body portion (411), and an included angle α between the main body portion (411) and the extension portion (412) is 130° to 140°.

3. The first heat pipe (41) includes two of the extension portions (412), The two extension portions (412) are located at both ends of the main body portion (411) along the longitudinal direction of the main body portion (411), The energy storage converter according to claim 1, characterized in that the two extension portions (412) extend toward the same side of the main body portion (411) along the short direction of the main body portion (411), or the two extension portions (412) extend toward both sides of the main body portion (411).

4. The energy storage converter according to claim 2, characterized in that the two extension portions (412) extend in parallel to each other.

5. 2. The energy storage converter of claim 1, wherein the extension portion (412) includes at least a first extension segment (412a) and a second extension segment (412b), the second extension segment (412b) is located on a side of the first extension segment (412a) away from the main body portion (411) and communicates with the main body portion (411) via the first extension segment (412a), and the first extension segment (412a) and the second extension segment (412b) form an included angle.

6. The heat pipe group (4) includes a plurality of first heat pipes (41), The first heat pipes (41) are arranged at intervals along the longitudinal or lateral direction of the heat sink (3), or 2. The energy storage converter according to claim 1, wherein the plurality of first heat pipes (41) are arranged in series.

7. The energy storage converter according to any one of claims 1 to 6, characterized in that the heat pipe group (4) further includes at least one second heat pipe (42), the extension direction of the second heat pipe (42) is the same as the extension direction of the main body portion (411), and the length of the second heat pipe (42) is shorter than the length of the first heat pipe (41).

8. Energy storage converter according to claim 7, characterized in that the ratio between the length of the second heat pipe (42) and the length of the first heat pipe (41) is between 0.81 and 0.

84.

9. 8. The energy storage converter according to claim 7, characterized in that in the heat pipe group (4), the first heat pipe (41) and the second heat pipe (42) are arranged along the longitudinal direction or the lateral direction of the heat sink (3), and the second heat pipe (42) is located between two adjacent first heat pipes (41).

10. 8. The energy storage converter according to claim 7, characterized in that in the heat pipe group (4), the first heat pipe (41) and the second heat pipe (42) are arranged alternately along the longitudinal direction or the lateral direction of the heat sink (3).

11. The energy storage converter includes a plurality of heat pipes (4); The heat pipe group (4) is arranged at intervals along the longitudinal or lateral direction of the heat sink (3), or Energy storage converter according to claim 7, characterized in that the heat pipes (4) are arranged in series.

12. The energy storage converter according to any one of claims 1 to 6, characterized in that the heat sink (3) includes a heat sink plate (31) and heat sink fins (32), the group of heat pipes (4) is provided on the heat sink plate (31), and the heat sink fins (32) are located on a side of the heat sink plate (31) away from the group of heat pipes (4) and are connected to the heat sink plate (31).

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