Heat absorption structure, power converter device and photovoltaic system

Abstract

The utility model discloses a heat absorption structure, a power converter device and a photovoltaic system, the heat absorption structure is used for heat dissipation of a device to be cooled, the heat absorption structure comprises a heat absorption cavity, an inner cavity of the heat absorption cavity is used for containing a heat absorption medium, and one end of the heat absorption cavity is connected with a heat absorption base; and the first heat absorption sheet is arranged at the other end of the heat absorption cavity, and evaporation holes communicated with the inner cavity of the heat absorption cavity are formed in the first heat absorption sheet. When the outside temperature is high, the first heat absorption piece absorbs heat, one part of heat is transmitted to the heat absorption cavity to be absorbed by the heat absorption medium, the other part of heat enables the heat absorption medium to be evaporated through the evaporation holes, the external environment of the device to be cooled is cooled, namely the ambient temperature around the device to be cooled is reduced, and therefore derating work of the device to be cooled is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation, in particular to a heat absorption structure, a power converter device and a photovoltaic system. Background Art

[0002] At present, the heat dissipation of power converters is mainly concentrated in the electronic components. During actual on-site operation, the heat dissipated by the power converter itself, the absorption of solar radiation energy, the heating of photovoltaic module sub-arrays and the interaction between power converters will increase the ambient temperature around the power converter, thereby causing the power converter to operate at a derating.

[0003] In summary, how to reduce the ambient temperature around the power converter to avoid derating of the power converter is an urgent problem to be solved by those skilled in the art. Utility Model Content

[0004] In view of this, the first object of the present invention is to provide a heat absorption structure to reduce the ambient temperature around the power converter, thereby avoiding the power converter from operating at a derating.

[0005] The second object of the utility model is to provide a power converter device.

[0006] The second object of the utility model is to provide a photovoltaic system.

[0007] In order to achieve the above first purpose, the utility model provides the following solutions:

[0008] A heat absorbing structure, used for heat dissipation of a device to be radiated, comprising:

[0009] A heat absorbing cavity, wherein the inner cavity of the heat absorbing cavity is used to contain a heat absorbing medium, and one end of the heat absorbing cavity is connected to a heat absorbing base;

[0010] A first heat absorbing sheet is installed at the other end of the heat absorbing cavity, wherein the first heat absorbing sheet is provided with an evaporation hole communicating with the inner cavity of the heat absorbing cavity.

[0011] In a specific embodiment, the first heat absorbing sheet is arranged parallel to the height direction of the heat absorbing cavity;

[0012] Alternatively, the first heat absorbing sheet is arranged in a spiral shape around the heat absorbing cavity along the height direction of the heat absorbing cavity;

[0013] Alternatively, the first heat absorbing sheet is arranged to be inclined in a height direction relative to the heat absorbing cavity.

[0014] In another specific embodiment, there are a plurality of the first heat absorbing sheets, and the plurality of the first heat absorbing sheets are sequentially spaced around the circumference of the heat absorbing cavity.

[0015] In another specific embodiment, there are multiple evaporation holes, and the multiple evaporation holes are respectively arranged on the top of the first heat absorption sheet.

[0016] In another specific embodiment, the heat absorbing structure further comprises a second heat absorbing sheet;

[0017] The second heat absorbing sheet is arranged on the heat absorbing cavity.

[0018] In another specific embodiment, the second heat absorbing sheet is arranged crosswise with the first heat absorbing sheet.

[0019] In another specific embodiment, a connecting passage communicating with the inner cavity of the heat absorption cavity is provided at the intersection of the second heat absorption sheet and the first heat absorption sheet;

[0020] The evaporation hole is communicated with the communication channel.

[0021] In another specific embodiment, the second heat absorbing sheet is disposed around the circumference of the heat absorbing cavity;

[0022] There are a plurality of second heat absorbing sheets, which are sequentially spaced apart along the height direction of the heat absorbing cavity.

[0023] In another specific embodiment, one of the first heat absorbing sheets is arranged crosswise with at least one of the second heat absorbing sheets;

[0024] The evaporation hole is extended from the top end of the first heat absorbing sheet to the bottom end of the first heat absorbing sheet and penetrates at least one of the communication channels.

[0025] In another specific embodiment, a portion of the first heat absorbing sheet and a portion of the second heat absorbing sheet extend to the inner cavity of the heat absorbing cavity respectively.

[0026] In another specific embodiment, a heat dissipation rib is provided in the heat absorption cavity, and the top end of the heat dissipation rib is connected to or abuts against the bottom end of the first heat absorption sheet.

[0027] In another specific embodiment, the top end of the heat absorption cavity has an injection port connected to the inner cavity of the heat absorption cavity.

[0028] In another specific embodiment, the heat absorption structure further comprises a cover body which can be opened and closed to seal the injection port.

[0029] The various embodiments of the present invention can be arbitrarily combined as needed, and the embodiments obtained after these combinations are also within the scope of the present invention and are part of the specific implementation methods of the present invention.

[0030] The heat absorption structure provided by the utility model is used for dissipating heat from a device to be cooled. The heat absorption structure can extend into the device to be cooled, or can be placed outside the device to be cooled. Taking the device to be cooled as a power converter and the heat absorption structure being arranged outside the device to be cooled as an example, the heat absorption structure is arranged at the air outlet of the power converter or at a position where the heat generation exceeds a preset value. The heat is conducted by hot air from the air outlet of the power converter or by natural convection. When the outside temperature is high, the first heat absorption sheet absorbs heat, and part of the heat is transmitted to the heat absorption cavity to be absorbed by the heat absorption medium, and the other part causes the heat absorption medium to evaporate through the evaporation holes, thereby cooling the external environment of the power converter, that is, reducing the ambient temperature around the power converter, thereby avoiding derating of the power converter.

[0031] In order to achieve the above second purpose, the utility model provides the following solution:

[0032] A power converter device, comprising a power converter and a heat absorption structure as described in any one of the above;

[0033] The heat absorption structure is arranged outside the power converter and is used to cool the outside of the power converter.

[0034] Since the power converter device provided by the present invention includes any one of the heat absorption structures mentioned above, the beneficial effects of the heat absorption structure mentioned above are all included in the power converter device disclosed by the present invention.

[0035] In order to achieve the third objective, the present invention provides the following solutions:

[0036] A photovoltaic system comprises the heat absorption structure as described in any one of the above or the power converter device as described in the above.

[0037] Since the photovoltaic system provided by the utility model includes any one of the above-mentioned heat absorption structures or the above-mentioned power converter devices, the beneficial effects of the above-mentioned heat absorption structures or power converter devices are all included in the photovoltaic system disclosed by the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any novel labor.

[0039] Figure 1 A schematic diagram of the three-dimensional structure of the heat absorption structure provided by the utility model;

[0040] Figure 2 A schematic diagram of the three-dimensional structure of the heat absorption structure provided by the utility model when the cover body is not installed;

[0041] Figure 3 A schematic cross-sectional view of the heat absorption structure provided by the utility model;

[0042] Figure 4 A schematic diagram of the local structure of the heat absorbing medium provided by the utility model when evaporating and flowing in the heat absorbing structure;

[0043] Figure 5 A schematic diagram of a partial three-dimensional structure of the heat absorption cavity provided by the utility model;

[0044] Figure 6 This is a schematic diagram of the three-dimensional structure of the cover body provided by the utility model.

[0045] in, Figure 1-Figure 6 middle:

[0046] The heat absorption structure 100 , the heat absorption cavity 101 , the heat dissipation ribs 101 a , the injection port 101 b , the first heat absorption sheet 102 , the evaporation holes 102 a , the second heat absorption sheet 103 , the communication channel 103 a , and the cover 104 . DETAILED DESCRIPTION

[0047] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making novel work are within the scope of protection of the utility model.

[0048] In the description of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the positions or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limitations of the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0049] Combination Figure 1-Figure 6As shown, the first aspect of the utility model provides a heat absorbing structure 100 for dissipating heat from a device to be radiated. Specifically, the heat absorbing structure 100 can be placed outside the device to be radiated, or the heat absorbing structure 100 can be extended into the device to be radiated. It can be understood that when the heat absorbing structure 100 is extended into the device to be radiated, it needs to be extended to a waterproof position or a position that does not need to be waterproof. By lowering the temperature inside the device to be radiated, the ambient temperature outside the device to be radiated is also lowered.

[0050] Taking the device to be cooled as a power converter, and the heat absorption structure 100 being arranged outside the device to be cooled as an example, the location to be cooled outside the device to be cooled may be the air outlet of the power converter, or may be a location where the power converter generates a large amount of heat (the large amount of heat may specifically be greater than the minimum amount of heat that affects the derating operation of the power converter), etc.

[0051] like Figure 1 As shown, the heat absorption structure 100 includes a heat absorption cavity 101 and a first heat absorption sheet 102, wherein the heat absorption cavity 101 has an inner cavity for containing a heat absorption medium. It can be understood that the heat absorption medium can be a liquid medium such as water.

[0052] One end of the heat absorption cavity 101 is connected to a heat absorption base. It should be noted that the heat absorption base can be the ground. Here, the heat absorption cavity 101 is inserted into the ground. The heat absorption base can also be a bracket set on the ground and capable of conducting heat. The heat absorption cavity 101 can be a hollow rod-shaped structure or a square tube structure.

[0053] The other end of the heat absorption cavity 101 extends to the position outside the heat dissipation device to be cooled, and the first heat absorption sheet 102 is installed at the other end of the heat absorption cavity 101, so that the first heat absorption sheet 102 can be located at the position outside the heat dissipation device to be cooled, and the first heat absorption sheet 102 can increase the heat dissipation area, thereby improving the heat dissipation efficiency.

[0054] like Figure 2 As shown, the first heat absorbing sheet 102 is provided with evaporation holes 102a, which are connected to the inner cavity of the heat absorbing cavity 101, so that when the outside temperature is high, the heat absorbing medium can evaporate through the evaporation holes 102a, thereby absorbing the heat at the position to be dissipated outside the heat dissipation device, reducing the ambient temperature around the power converter, thereby avoiding the derating of the power converter. The heat absorbing structure 100 does not require any power device, consumes less internal heat absorbing medium, is easy to install, and has a good heat absorption and cooling function for places with high ambient temperatures.

[0055] In order to further improve the heat absorption efficiency, in one embodiment, Figure 2As shown, there are multiple evaporation holes 102a, and the multiple evaporation holes 102a are respectively arranged at the top of the first heat absorbing sheet 102. It should be noted that the evaporation holes 102a can be circular holes or square holes, and the specific shape is not limited.

[0056] like Figure 1 and Figure 2 As shown, in a specific embodiment, the first heat absorbing sheet 102 is arranged parallel to the height direction of the heat absorbing cavity 101. Taking the heat absorbing cavity 101 as a rod-shaped structure as an example, the first heat absorbing sheet 102 is arranged on the heat absorbing cavity 101 along the axial direction parallel to the heat absorbing cavity 101, and the evaporation hole 102a is located at the top of the first heat absorbing sheet 102 to prevent the heat absorbing medium from overflowing. Specifically, a liquid level sensor can be installed in the heat absorbing cavity 101 or in the evaporation hole 102a, and the liquid level in the heat absorbing cavity 101 or the evaporation hole 102a is detected by the liquid level sensor. When the detected liquid level exceeds the set liquid level, the alarm connected to the signal of the liquid level sensor sounds an alarm to remind the operator that the liquid level exceeds the standard to prevent the heat absorbing medium from overflowing.

[0057] It should be noted that the arrangement of the first heat absorbing sheet 102 parallel to the height direction of the heat absorbing cavity 101 is only a specific embodiment of the present invention. In other embodiments, the first heat absorbing sheet 102 may be arranged along the height direction of the heat absorbing cavity 101 in a spiral shape around the heat absorbing cavity 101; or the first heat absorbing sheet 102 may be arranged obliquely to the height direction of the heat absorbing cavity 101. It can be understood that any shape of the first heat absorbing sheet 102 that can increase the heat absorbing area and can be provided to communicate with the inner cavity of the heat absorbing cavity 101 belongs to the protection scope of the present invention.

[0058] It should also be noted that the height direction of the heat absorption cavity 101 refers to the height direction when the heat absorption structure 100 is installed in place and used to cool the heat dissipation device, that is, Figure 1 and Figure 2 The axial direction of the heat absorption cavity 101.

[0059] like Figure 1 and Figure 2 As shown, in a specific embodiment, the number of the first heat absorbing sheets 102 is multiple, and they are arranged in sequence at intervals around the circumference of the heat absorbing cavity 101, further increasing the heat absorption area, thereby further improving the heat dissipation efficiency. It can be understood that the circumference around the heat absorbing cavity 101 here refers to the circumference around the height direction of the heat absorbing cavity 101, that is, the circumference around the axis of the heat absorbing cavity 101.

[0060] In this embodiment, taking the heat absorption cavity 101 as a rod-shaped structure and the position to be dissipated outside the heat dissipation device as the air outlet of the power converter as an example, a plurality of first heat sinks are evenly distributed in a ring around the axis of the heat absorption cavity 101 in the circumferential direction of the heat absorption cavity 101, so as to facilitate the installation of the heat absorption structure 100. Of course, the plurality of first heat sinks can also be arranged only on the side of the heat absorption cavity 101 facing the air outlet of the power converter.

[0061] In a specific embodiment, Figure 1 and Figure 2 As shown, the heat absorption structure 100 further includes a second heat absorption sheet 103, which is disposed on the heat absorption cavity 101. The provision of the second heat absorption sheet 103 further increases the heat absorption area, thereby further improving the heat absorption efficiency of the heat absorption structure 100.

[0062] In a specific embodiment, the second heat absorbing sheet 103 and the first heat absorbing sheet 102 are cross-arranged, connected to each other and provide support to each other, thereby improving the stability of each other.

[0063] In a specific embodiment, a connecting channel 103a communicating with the inner cavity of the heat absorption cavity 101 is opened at the intersection of the first heat absorption plate 102 and the second heat absorption plate 103, and the evaporation hole 102a is connected with the connecting channel 103a.

[0064] Specifically, one end of the communication channel 103a is open and communicates with the inner cavity of the heat absorption cavity 101. The other end of the communication channel 103a is closed and extends along the length direction of the intersection of the second heat absorption sheet 103 and the second heat absorption sheet 103. The evaporation holes 102a at the top of the same first heat absorption sheet 102 respectively penetrate the side walls of the communication channel 103a to achieve communication with the communication channel 103a.

[0065] In a specific embodiment, the second heat absorbing sheet 103 is disposed around the circumference of the heat absorbing cavity 101. Specifically, the second heat absorbing sheet 103 can be disposed as an annular plate, or a semi-annular plate, etc.

[0066] There are multiple second heat absorbing fins 103 , and the multiple second heat absorbing fins are sequentially spaced apart along the height direction of the heat absorbing cavity 101 , which further increases the heat absorbing area, thereby further improving the heat absorbing efficiency of the heat absorbing structure 100 .

[0067] One first heat absorbing sheet 102 is arranged crosswise with at least one second heat absorbing sheet 103. Figure 1 and Figure 2 As shown, each first heat absorbing sheet 102 is cross-arranged with all the second heat absorbing sheets 103 to facilitate processing and manufacturing.

[0068] like Figure 3As shown, the evaporation hole 102a extends from the top end of the first heat absorbing sheet 102 to the bottom end of the first heat absorbing sheet 102 and passes through at least one connecting channel 103a, thereby increasing the flow length of the heat absorbing medium in the first heat absorbing sheet 102 and improving the heat absorption efficiency of the first heat absorbing sheet 102.

[0069] like Figure 3 As shown, the evaporation hole 102a is a vertical hole whose axis is parallel to the axis of the heat absorption cavity 101, which is convenient for processing and manufacturing. Of course, the evaporation hole 102a can also be set as a hole bent along a set track.

[0070] In a specific embodiment, a portion of the first heat absorbing sheet 102 and a portion of the second heat absorbing sheet 103 extend to the inner cavity of the heat absorbing cavity 101, which improves the connection strength between the first heat absorbing sheet 102 and the second heat absorbing sheet 103 and the heat absorbing cavity 101, and enables a portion of the first heat absorbing sheet 102 and a portion of the second heat absorbing sheet 103 to directly conduct heat with the heat absorbing medium in the heat absorbing cavity 101, further improving the heat absorption efficiency.

[0071] In order to improve the strength of the heat absorption cavity 101 and improve the heat conduction efficiency, a specific embodiment of the utility model discloses that a heat dissipation rib 101a is provided in the heat absorption cavity 101, and the top of the heat dissipation rib 101a is connected or abutted with the bottom of the first heat absorption sheet 102. The provision of the heat dissipation rib 101a also supports the first heat absorption sheet 102, further improving the strength of the overall heat absorption structure 100.

[0072] Specifically, the heat dissipation rib 101a is a radiation plate-shaped structure, such as Figure 5 It can be understood that the structure of the heat dissipation rib 101a disclosed above is only a specific implementation of the present utility model, and in practical applications, the heat dissipation rib 101a can also be set to a structure of other shapes.

[0073] In a specific embodiment, Figure 2 As shown, the top of the heat absorption cavity 101 has an injection port 101b, wherein the injection port 101b is connected to the inner cavity of the heat absorption cavity 101, and is used to inject the heat absorption medium into the heat absorption cavity 101. It should be noted that the number of the injection ports 101b can be one, or two or more, and can be circular or square.

[0074] In order to facilitate the blocking of the injection port 101b, in a specific embodiment of the present invention, the heat absorption structure 100 further includes a cover 104 that can be opened and closed to block the injection port 101b. Figure 1 and Figure 6The cover 104 can be connected to the injection port 101b by threading or snapping, or can be directly covered on the injection port 101b by gravity.

[0075] In order to avoid the problem of the cover body 104 being lost when it is opened, the cover body 104 can be connected to the heat absorption cavity 101 through a hinge or a connecting rope.

[0076] A second aspect of the present invention provides a power converter device, comprising a heat absorption structure 100 as in any one of the above embodiments.

[0077] The heat absorption structure 100 is arranged outside the power converter to cool the outside of the power converter. It can be understood that the heat absorption structure 100 is not limited to one, and two or more heat absorption structures 100 can also be arranged. When the number of heat absorption structures 100 is two or more, each heat absorption structure 100 can be arranged at the air outlet outside the power converter or other locations with higher environment.

[0078] Since the power converter device provided by the present invention includes the heat absorption structure 100 in any one of the above embodiments, the beneficial effects of the above heat absorption structure 100 are all included in the power converter device disclosed in the present invention.

[0079] A third aspect of the present invention provides a photovoltaic system, comprising the heat absorption structure 100 in any one of the above embodiments or the power converter in the above embodiments.

[0080] Since the photovoltaic system provided by the present invention includes the heat absorption structure 100 in any one of the above embodiments or the power converter in the above embodiments, the beneficial effects of the above heat absorption structure 100 or the power converter are all included in the photovoltaic system disclosed in the present invention.

[0081] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0082] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

[0083] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0084] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A heat absorbing structure (100), characterized in that: Used for heat dissipation of the device to be cooled, including: A heat absorption cavity (101), wherein the inner cavity of the heat absorption cavity (101) is used to contain a heat absorption medium, and one end of the heat absorption cavity (101) is connected to a heat absorption base; A first heat absorbing plate (102) is installed at the other end of the heat absorbing cavity (101), wherein the first heat absorbing plate (102) is provided with an evaporation hole (102a) which is in communication with the inner cavity of the heat absorbing cavity (101).

2. The heat absorption structure (100) according to claim 1, characterized in that: The first heat absorbing sheet (102) is arranged parallel to the height direction of the heat absorbing cavity (101); Alternatively, the first heat absorbing sheet (102) is arranged in a spiral shape around the heat absorbing cavity (101) along the height direction of the heat absorbing cavity (101); Alternatively, the first heat absorbing sheet (102) and the heat absorbing cavity (101) are arranged obliquely in a height direction.

3. The heat absorption structure (100) according to claim 1, characterized in that: There are a plurality of the first heat absorbing sheets (102), and the plurality of the first heat absorbing sheets (102) are arranged in sequence and at intervals in the circumferential direction around the heat absorbing cavity (101).

4. The heat absorption structure (100) according to claim 1, characterized in that: There are a plurality of evaporation holes (102a), and the plurality of evaporation holes (102a) are respectively arranged at the top of the first heat absorbing sheet (102).

5. The heat absorption structure (100) according to claim 1, characterized in that: Also includes a second heat absorbing sheet (103); The second heat absorbing sheet (103) is arranged on the heat absorbing cavity (101).

6. The heat absorption structure (100) according to claim 5, characterized in that: The second heat absorbing sheet (103) and the first heat absorbing sheet (102) are arranged crosswise.

7. The heat absorption structure (100) according to claim 6, characterized in that: A connecting passage (103a) communicating with the inner cavity of the heat absorbing cavity (101) is provided at the intersection of the second heat absorbing plate (103) and the first heat absorbing plate (102); The evaporation hole (102a) is in communication with the communication channel (103a).

8. The heat absorption structure (100) according to claim 7, characterized in that: The second heat absorbing sheet (103) is arranged circumferentially around the heat absorbing cavity (101); The second heat absorbing sheets (103) are multiple in number and are arranged in sequence and at intervals along the height direction of the heat absorbing cavity (101).

9. The heat absorption structure (100) according to claim 8, characterized in that: One of the first heat absorbing sheets (102) is arranged crosswise with at least one of the second heat absorbing sheets (103); The evaporation hole (102a) is extended from the top end of the first heat absorbing plate (102) to the bottom end of the first heat absorbing plate (102), and passes through at least one of the connecting channels (103a).

10. The heat absorption structure (100) according to claim 5, characterized in that: A portion of the first heat absorbing sheet (102) and a portion of the second heat absorbing sheet (103) respectively extend into the inner cavity of the heat absorbing cavity (101).

11. The heat absorption structure (100) according to claim 10, characterized in that: A heat dissipation rib (101a) is provided in the heat absorption cavity (101), and the top end of the heat dissipation rib (101a) is connected to or abuts against the bottom end of the first heat absorption sheet (102).

12. The heat absorption structure (100) according to any one of claims 1 to 11, characterized in that: The top end of the heat absorption cavity (101) has an injection port (101b) that is in communication with the inner cavity of the heat absorption cavity (101).

13. The heat absorption structure (100) according to claim 12, characterized in that: It also includes a cover body (104) that can be opened and closed to block the injection port (101b).

14. A power converter device, characterized in that: It comprises a power converter and a heat absorption structure (100) as claimed in any one of claims 1 to 13; The heat absorption structure (100) is used to dissipate heat from the power converter.

15. A photovoltaic system, characterized in that: It comprises the heat absorption structure (100) according to any one of claims 1 to 13 or the power converter device according to claim 14.

Images