Heat dissipation shell and charger

Abstract

The utility model relates to the technical field of vehicle-mounted chargers, in particular to a heat dissipation shell and a charger. The heat dissipation shell comprises an outer shell and a heat dissipation support. The shell comprises a mounting part, and the mounting part is provided with two first fluid channels; the heat dissipation support is arranged on the shell and comprises a heat dissipation part, the heat dissipation part and the installation part are spaced in the first direction, the heat dissipation part is provided with a second fluid channel, and the two first fluid channels are communicated through the second fluid channel. Through the mode, the mounting part and the heat dissipation part can realize double-layer heat dissipation, so that the power device and the magnetic device can be arranged in a double-layer manner, and the problem that the size of the charger in the horizontal direction is relatively large can be solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of on-board chargers, and in particular to a heat dissipation shell and an on-board charger. BACKGROUND

[0002] An on-board charger (OBC) is a charger installed on an electric vehicle. As an important component of the vehicle charging system, the on-board charger realizes the functions of rectifying alternating current into direct current to charge the power storage battery and converting the direct current output by the battery into alternating current for use by external electrical appliances. With the continuous increase in battery capacity and charging power, higher requirements are placed on the heat dissipation performance of the individual modules inside the on-board charger.

[0003] In related technologies, a planar water channel is provided in the shell of the on-board charger, and discrete power devices and magnetic devices are arranged on the surface of the planar water channel through an aluminum substrate. That is, the power devices and the magnetic devices are distributed along a plane, so that the power devices, the magnetic devices, and the planar water channel occupy a large amount of horizontal space, resulting in a large size of the on-board charger in the horizontal direction. CONTENT OF THE UTILITY MODEL

[0004] Embodiments of the present application aim to provide a heat dissipation shell and an on-board charger to at least solve the problem of a large size of the on-board charger in the horizontal direction.

[0005] To solve the above technical problem, the embodiments of the present application adopt the following technical solutions:

[0006] In a first aspect, the embodiments of the present application provide a heat dissipation shell, which comprises a shell and a heat dissipation support. The shell comprises a mounting portion, and the mounting portion is provided with two first fluid channels. The heat dissipation support is arranged on the shell, and the heat dissipation support comprises a heat dissipation portion. The heat dissipation portion is spaced apart from the mounting portion along a first direction. The heat dissipation portion is provided with a second fluid channel, and the second fluid channel communicates the two first fluid channels.

[0007] In some embodiments, the mounting portion and the heat dissipation portion are both flat plates, and the mounting portion and the heat dissipation portion are both perpendicular to the first direction. The heat dissipation portion and the mounting portion enclose a first mounting space, and the heat dissipation portion has a second mounting space on a side away from the mounting portion.

[0008] In some embodiments, the shell comprises two first connecting mouths and two connecting sleeves. Each of the first fluid channels communicates one first connecting mouth with one connecting sleeve. The first connecting mouth is used to communicate with an external pipeline. The heat dissipation support comprises two second connecting mouths, and the second fluid channel communicates the two second connecting mouths. The two second connecting mouths are respectively communicated with the two connecting sleeves.

[0009] In some embodiments, the heat dissipation housing comprises a sealing ring, at least two of the sealing rings are sleeved on the same second connecting nozzle, and the sealing rings seal the gap between the second connecting nozzle and the connecting sleeve.

[0010] In some embodiments, the mounting portion comprises a first shell and a second shell, the first shell is provided with a first groove on the side away from the heat dissipation support, and the second shell is arranged on the side of the first shell away from the heat dissipation support, and the second shell and the first shell enclose the first fluid channel in the first groove.

[0011] In some embodiments, the first shell is provided with a first flow dividing wall in the first groove.

[0012] In some embodiments, the connecting sleeve is communicated with the bottom of the first groove, the second shell is provided with a first guide cone in the first groove, the first guide cone and the first shell enclose a first bend, and the first bend communicates the first fluid channel with the connecting sleeve.

[0013] In some embodiments, the heat dissipation portion comprises a third shell and a fourth shell, the third shell is provided with a second groove, and the fourth shell is arranged on the third shell, and the fourth shell and the third shell enclose the second fluid channel in the second groove.

[0014] In some embodiments, the third shell is provided with a second flow dividing wall in the second groove.

[0015] In some embodiments, the second connecting nozzle is communicated with the bottom of the second groove, the fourth shell is provided with a second guide cone in the second groove, the second guide cone and the third shell enclose a second bend, and the second bend communicates the second fluid channel with the second connecting nozzle.

[0016] In some embodiments, along the first direction, the height of the second fluid channel is greater than or equal to 5mm.

[0017] In a second aspect, the embodiments of the present application provide a charger, the charger comprising a power device, a magnetic device and the heat dissipation housing as any one of the above, the power device is arranged on the side of the heat dissipation support away from the mounting portion, and the magnetic device is arranged between the heat dissipation support and the mounting portion.

[0018] The heat dissipation housing and the charger of the embodiments of the present application, the first fluid channel of the mounting portion and the second fluid channel of the heat dissipation portion can flow through the cooling liquid, so that the mounting portion and the heat dissipation portion can realize double-layer heat dissipation, and then the power device and the magnetic device can be arranged in double layers, which is beneficial to improve the problem that the charger has a large horizontal size.

[0019] The above description is only a summary of the technical solutions of the present application. In order to enable one skilled in the art to better understand the technical means of the present application and to implement the same according to the content of the description, and in order to enable the above and other purposes, characteristics and advantages of the present application to be more apparent and easy to understand, the following specific embodiments of the present application are described. BRIEF DESCRIPTION OF DRAWINGS

[0020] One or more embodiments are illustrated by way of example in the accompanying drawings, which are not limiting of the embodiments and reference numerals in the drawings indicate like elements, unless otherwise specified herein. The drawings in the accompanying figures are not to scale, and the specific dimensions are provided only for the purpose of illustration.

[0021] Figure 1 is a structural schematic diagram of a heat dissipation shell of an embodiment of the present application;

[0022] Figure 2 is an exploded view of a heat dissipation shell of an embodiment of the present application;

[0023] Figure 3 is Figure 1 Another perspective of the exploded view of the heat dissipation shell;

[0024] Figure 4 is a sectional view of a heat dissipation shell of an embodiment of the present application.

[0025] The reference numerals in the specific embodiments are as follows:

[0026] 100, heat dissipation shell;

[0027] 1, housing; 11, mounting portion; 111, first fluid passage;

[0028] 112, first shell; 1121, first recess; 1122, first flow dividing wall; 113, second shell; 1131, first guide cone; 114, first bend;

[0029] 12, ring wall; 13, first connecting nozzle; 14, connecting sleeve;

[0030] 2, heat dissipation support; 21, heat dissipation portion; 211, second fluid passage; 212, third shell; 2121, second recess; 2122, second flow dividing wall; 213, fourth shell; 2131, second guide cone; 214, second bend;

[0031] 22, second connecting nozzle;

[0032] 3, sealing ring;

[0033] X, first direction. Specific embodiments

[0034] To facilitate understanding of this application, the following description, in conjunction with the accompanying drawings and specific embodiments, will provide a more detailed account. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application. It should be noted that when an element is described as being "fixed to" another element, it can be directly on the other element, or one or more intermediate elements may exist between them. When an element is described as being "connected to" another element, it can be directly connected to the other element, or one or more intermediate elements may exist between them.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0036] In the description of the embodiments of this application, the technical terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0037] In the description of the embodiments of this application, the terms "first," "second," etc., are used to define components merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, these terms have no special meaning and therefore should not be construed as limiting the scope of protection of this application. In the description of the embodiments of this application, "multiple" means two or more, unless otherwise explicitly defined.

[0038] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the scope of this application. The term "and / or" as used in this specification includes any and all combinations of one or more of the associated listed items.

[0039] Furthermore, the technical features involved in the different embodiments of this application described below can be combined with each other as long as they do not conflict with each other.

[0040] Firstly, please refer toFigures 1 to 4 The embodiment of the present application provides a heat dissipation shell 100, the heat dissipation shell 100 comprises an outer shell 1 and a heat dissipation support 2, and the outer shell 1 and the heat dissipation support 2 are used for mounting electronic devices. The heat dissipation shell 100 can be used as the shell of a charger, and can also be used as the shell of other electronic devices. In the embodiment of the present application, the heat dissipation shell 100 is taken as the shell of a charger for example.

[0041] For the outer shell 1, the outer shell 1 is used for mounting electronic devices, such as magnetic devices and power devices. Please refer to Figure 1 In some embodiments, the outer shell 1 comprises a mounting portion 11 and a ring wall 12. The electronic devices are specifically mounted on the mounting portion 11, and the mounting portion 11 can be in the form of a flat plate, so as to arrange the electronic devices conveniently. The ring wall 12 extends along the edge of the mounting portion 11, and the ring wall 12 is at an angle with the mounting portion 11, for example, the ring wall 12 is perpendicular to the mounting portion 11, so as to form a mounting cavity on one side of the outer shell 1, thereby protecting the electronic devices in the mounting cavity.

[0042] For the mounting portion 11, please refer to Figure 3 And Figure 4 The mounting portion 11 is provided with two first fluid channels 111. The two first fluid channels 111 are used for flowing fluid, and then the electronic devices mounted on the mounting portion 11 are cooled. When the mounting portion 11 is in the form of a flat plate, the heat dissipation area is increased. Alternatively, the fluid is a cooling liquid, such as clean water, pure water, cooling oil and the like.

[0043] In some embodiments, please refer to Figures 2 to 4 The mounting portion 11 comprises a first shell 112 and a second shell 113. The first shell 112 is provided with a first recess 1121 on the side away from the heat dissipation support 2. The second shell 113 is arranged on the side of the first shell 112 away from the heat dissipation support 2, and the second shell 113 and the first shell 112 form the first fluid channel 111 by surrounding the first recess 1121. By surrounding the first shell 112 and the second shell 113 to form the first fluid channel 111, only the first recess 1121 needs to be opened on the first shell 112 in production, and the first shell 112 and the second shell 113 are connected, which is compared with opening the first fluid channel 111 on the mounting portion 11, and the machining difficulty and the machining cost of the outer shell 1 are reduced. Alternatively, the first shell 112 and the second shell 113 are connected by welding or bonding.

[0044] In some embodiments, please refer to Figure 3The first shell 112 is provided with a first flow dividing wall 1122 in the first groove 1121. It can be understood that the first flow dividing wall 1122 extends along the extension direction of the first groove 1121, and the number of the first flow dividing wall 1122 can be one or more, so as to divide the first groove 1121 into two or more areas along the longitudinal direction, to make the fluid flow through the first fluid channel 111 more dispersed, increase the contact area of the fluid with the mounting portion 11, and be beneficial to enhancing the heat dissipation effect of the mounting portion 11. Optionally, the first flow dividing wall 1122 abuts against the second shell 113.

[0045] In the related art, in order to dissipate heat of the electronic devices, the electronic devices are arranged along the mounting portion 11, so as to ensure that each electronic device is in contact with the mounting portion 11, thereby causing the mounting portion 11 to have a large mounting area, i.e., the length and width of the mounting portion 11 are large. Taking the case that the mounting portion 11 is horizontally placed as an example, i.e., the mounting portion 11 is placed horizontally, and the electronic devices are mounted on the top surface of the mounting portion 11, the horizontal size of the mounting portion 11 is large, thereby causing the charger to have a large horizontal size. Here, the horizontal size is described taking the case that the mounting portion 11 is horizontally placed as an example, and when the mounting portion 11 is not horizontally placed, the horizontal size refers to the size along the length and width of the mounting portion 11.

[0046] In the embodiments of the present application, the heat dissipation support 2 is arranged in the shell 1, and the heat dissipation support 2 is used for heat dissipation, so that part of the electronic devices originally mounted on the mounting portion 11 can be mounted on the heat dissipation support 2. In the embodiments of the present application, referring to Figure 2 and Figure 3 , the heat dissipation support 2 comprises a heat dissipation portion 21, and the heat dissipation portion 21 is spaced apart from the mounting portion 11 along the first direction X, i.e., the heat dissipation portion 21 does not affect the mounting space of the mounting portion 11, so that the mounting portion 11 and the heat dissipation portion 21 can realize double-layer heat dissipation, the power devices and the magnetic devices can be arranged in double layers, the length and / or width of the mounting portion 11 can be shortened, and the problem of large horizontal size of the charger can be improved.

[0047] For the heat dissipation portion 21 described above, referring to Figures 2 to 4 , in some embodiments, the heat dissipation portion 21 can be in a flat plate shape, so as to increase the heat dissipation area. The mounting portion 11 and the heat dissipation portion 21 are perpendicular to the first direction X, the heat dissipation portion 21 and the mounting portion 11 enclose a first mounting space, and the side of the heat dissipation portion 21 away from the mounting portion 11 has a second mounting space. The first mounting space can be heat dissipated through the mounting portion 11 and the heat dissipation portion 21 at the same time, is suitable for mounting the electronic devices with large heat power, such as the magnetic devices. The second mounting space is suspended, is suitable for mounting some electronic devices with small volume and light weight, such as the power devices.

[0048] Referring to Figure 2The heat dissipation part 21 is provided with a second fluid channel 211, and the second fluid channel 211 is in communication with the two first fluid channels 111. Fluids flow through the second fluid channel 211, thereby dissipating heat from the electronic device mounted on the heat dissipation part 21. Moreover, the second fluid channel 211 is in communication with the first fluid channel 111, and no additional pipeline is needed to connect the second fluid channel 211 with the external pipeline, which is conducive to simplifying the structure of the heat dissipation shell 100 and further reducing the volume of the charger.

[0049] In some embodiments, referring to Figures 2 to 4 The heat dissipation part 21 includes a third shell 212 and a fourth shell 213. The third shell 212 is provided with a second groove 2121, and the fourth shell 213 is arranged on the third shell 212. The fourth shell and the third shell 212 enclose the second fluid channel 211 at the second groove 2121. By arranging the second fluid channel 211 between the third shell 212 and the fourth shell 213, only the second groove 2121 needs to be opened on the third shell 212 during production, and the third shell 212 and the fourth shell 213 are connected. Compared with opening the second fluid channel 211 on the heat dissipation part 21, it is conducive to reducing the processing difficulty and processing cost of the heat dissipation support 2. Optionally, the third shell 212 and the fourth shell 213 are connected by welding or adhesion.

[0050] In some embodiments, referring to Figure 2 The third shell 212 is provided with a second flow dividing wall 2122 in the second groove 2121. It can be understood that the second flow dividing wall 2122 extends along the extension direction of the second groove 2121, and the number of the second flow dividing wall 2122 can be one or more, so as to divide the second groove 2121 into two or more areas in the longitudinal direction, so that the fluid flowing through the second fluid channel 211 is more dispersed, the contact area between the fluid and the heat dissipation part 21 is increased, and the heat dissipation effect of the heat dissipation part 21 is improved. Optionally, the second flow dividing wall 2122 abuts against the second shell 113.

[0051] In some embodiments, along the first direction X, the height of the second fluid channel 211 is greater than or equal to 5 mm. It can be understood that the smaller the cross-sectional area of the second fluid channel 211, the greater the resistance of the fluid flowing in the second fluid channel 211. In the present embodiment, the second fluid channel 211 extends along the direction parallel to the heat dissipation part 21, that is, the width and length of the second fluid channel 211 along the direction perpendicular to the first direction X are much greater than the height along the first direction X. Therefore, by limiting the height of the second fluid channel 211 along the first direction X to be greater than or equal to 5 mm, it is conducive to ensuring that the resistance of the fluid flowing in the second fluid channel 211 is not too large.

[0052] The greater the cross-sectional area of the second fluid channel 211, the greater the size of the heat dissipation portion 21, especially the thickness of the heat dissipation portion 21 along the first direction X, which is not conducive to the miniaturization of the heat dissipation shell 100 and the charging machine. Therefore, the height of the second fluid channel 211 along the first direction X should not be too large, for example, it can be less than 10 mm. Alternatively, the height of the second fluid channel 211 along the first direction X is 5 mm.

[0053] For the communication between the first fluid channel and the second fluid channel 211, in some embodiments, referring to Figures 2 to 4 , the shell 1 includes two first connecting mouths 13 and two connecting sleeves 14, each first fluid channel 111 communicates one first connecting mouth 13 with one connecting sleeve 14, and the first connecting mouth 13 is used to communicate with the external pipeline; the heat dissipation bracket 2 includes two second connecting mouths 22, and the second fluid channel 211 communicates the two second connecting mouths 22, and the two second connecting mouths 22 respectively communicate with the two connecting sleeves 14. That is, the heat dissipation bracket 2 is connected to the connecting sleeve 14 of the shell 1 through the second connecting mouth 22 to install the heat dissipation bracket 2 on the shell 1, and the second connecting mouth 22 and the connecting sleeve 14 communicate the first fluid channel 111 with the second fluid channel 211, which is conducive to simplifying the structure of the heat dissipation shell 100, simplifying the assembly steps of the heat dissipation shell 100, and reducing the production cost of the heat dissipation shell 100.

[0054] In some embodiments, referring to Figures 2 to 4 The heat dissipation shell 100 includes a sealing ring 3, and at least two sealing rings 3 are sleeved on the same second connecting mouth 22, and the sealing ring 3 seals the gap between the second connecting mouth 22 and the connecting sleeve 14. The sealing ring 3 can be a rubber ring, a silica gel ring, etc., and the sealing ring 3 is clamped between the connecting sleeve 14 and the second connecting mouth 22, which is conducive to enhancing the sealing effect between the connecting sleeve 14 and the second connecting mouth 22, and further enhancing the sealing effect between the connecting sleeve 14 and the second connecting mouth 22 by sleeving at least two sealing rings 3 on the same second connecting mouth 22.

[0055] In some embodiments, the connecting sleeve 14 communicates with the bottom of the first groove 1121. That is, the connecting sleeve 14 is connected to the side of the first shell 112 away from the first groove 1121, that is, the connecting sleeve 14 is located on one side of the mounting portion 11 along the first direction X, and the mounting portion 11 and the heat dissipation portion 21 are spaced apart along the first direction X, which is conducive to shortening the length of the connecting sleeve 14 and the second connecting mouth 22 as a whole, reducing material costs, and reducing the bending of the fluid flow and the resistance of the fluid flowing through the connecting sleeve 14 and the second connecting mouth 22.

[0056] Since the connecting sleeve 14 is connected to the side of the first shell 112 away from the first recess 1121, when the fluid flows through the connection between the first fluid passage 111 and the connecting sleeve 14, the flow direction of the fluid is rotated by 90 degrees. Moreover, the first fluid passage 111 is at a right angle at the connection between the first shell 112 and the second shell 113, i.e. when the fluid flows through the connection between the first fluid passage 111 and the connecting sleeve 14, the fluid will flow through a right-angled area, which is prone to form a dead zone and increase the resistance of fluid flow. To improve this problem, please refer to Figures 2 to 4 The second shell 113 is provided with a first guide cone 1131 in the first recess 1121, and the first guide cone 1131 and the first shell 112 enclose a first bend 114, which communicates the first fluid passage 111 with the connecting sleeve 14. That is, the first guide cone 1131 fills the dead zone at the connection between the first fluid passage 111 and the connecting sleeve 14, so that the connection between the first fluid passage 111 and the connecting sleeve 14 forms the first bend 114, thereby improving the problem of easy formation of a dead zone and increase of fluid flow resistance. It can be understood that the side wall of the first guide cone 1131 is in close contact with the side wall of the first recess 1121, and the top surface of the first guide cone 1131 has a concave curved surface, which is matched with the first bend 114, i.e. the curved surface is constructed according to the shape of the first bend 114 at the first shell 112.

[0057] In some embodiments, the second connecting mouth 22 is communicated with the bottom of the second recess 2121. That is, the second connecting mouth 22 is connected to the side of the third shell 212 away from the second recess 2121, i.e. the second connecting mouth 22 is located on the side of the heat dissipation part 21 along the first direction X, and the mounting part 11 and the heat dissipation part 21 are spaced apart along the first direction X, which is beneficial to shorten the length of the connecting sleeve 14 and the second connecting mouth 22 as a whole, reduce the material cost, and reduce the bend through which the fluid flows and the resistance of the fluid flowing through the connecting sleeve 14 and the second connecting mouth 22.

[0058] Since the second connecting mouth 22 is connected to the side of the third shell 212 away from the second recess 2121, when the fluid flows through the connection between the second fluid passage 211 and the second connecting mouth 22, the flow direction of the fluid is rotated by 90 degrees. Moreover, the second fluid passage 211 is at a right angle at the connection between the third shell 212 and the fourth shell 213, i.e. when the fluid flows through the connection between the second fluid passage 211 and the second connecting mouth 22, the fluid will flow through a right-angled area, which is prone to form a dead zone and increase the resistance of fluid flow. To improve this problem, please refer to Figures 2 to 4The fourth shell 213 is provided with a second guide cone 2131 in the second recess 2121, the second guide cone 2131 and the third shell 212 form a second bend 214, the second bend 214 connects the second fluid channel 211 and the second connecting nozzle 22. That is, the second guide cone 2131 fills the dead zone at the connection between the second fluid channel 211 and the second connecting nozzle 22, so that the connection between the second fluid channel 211 and the second connecting nozzle 22 forms a second bend 214, thereby improving the problem of easy formation of dead zones and increasing fluid flow resistance. It can be understood that the side wall of the second guide cone 2131 is in contact with the side wall of the second recess 2121, the top surface of the second guide cone 2131 has a concave curved surface, which is matched with the second bend 214, that is, the curved surface is constructed according to the shape of the second bend 214 at the third shell 212.

[0059] In a second aspect, the embodiments of the present application provide a charger (not shown), the charger comprising a power device (not shown), a magnetic device (not shown) and a heat dissipation shell 100; the power device is arranged on the side of the heat dissipation support 2 away from the mounting portion 11; the magnetic device is arranged between the heat dissipation support 2 and the mounting portion 11. By arranging the power device on the heat dissipation support 2, the power device no longer occupies the mounting area of the mounting portion 11, the length and / or width of the mounting portion 11 can be shortened, and the problem of large horizontal size of the charger is improved. By arranging the magnetic device between the heat dissipation support 2 and the mounting portion 11, the heat dissipation support 2 and the mounting portion 11 simultaneously dissipate heat for the magnetic device, and the heat dissipation effect of the magnetic device is enhanced. The power device is used for direct current and alternating current conversion, electrical isolation and protection, such as overvoltage, undervoltage, overcurrent, undervoltage, etc. The magnetic device is used for energy conversion and isolation, resonance and filtering, and elimination of electromagnetic interference, etc.

[0060] The first fluid passage 111 of the mounting portion 11 and the second fluid passage 211 of the heat dissipation portion 21 can flow cooling liquid, so that the mounting portion 11 and the heat dissipation portion 21 can realize double-layer heat dissipation, and the power device and the magnetic device can be double-layer arranged, which is beneficial to improve the problem that the charger has a large horizontal size. The first fluid passage 111 is formed by surrounding the first shell 112 and the second shell 113, and the second fluid passage 211 is formed by surrounding the third shell 212 and the fourth shell 213, which is beneficial to reduce the processing difficulty and processing cost of the shell 1 and the heat dissipation support 2. The first recess 1121 is provided with a first flow dividing wall 1122, the second recess 2121 is provided with a second flow dividing wall 2122, the second shell 113 is provided with a first guide cone 1131 in the first recess 1121, and the fourth shell 213 is provided with a second guide cone 2131 in the second recess 2121, which is beneficial to reduce the flow resistance of the fluid. The heat dissipation support 2 is connected to the connecting sleeve 14 of the shell 1 through the second connecting mouth 22, the heat dissipation support 2 is mounted on the shell 1, and the first fluid passage 111 and the second fluid passage 211 are communicated, which is beneficial to simplify the structure of the heat dissipation shell 100, simplify the assembly steps of the heat dissipation shell 100, and reduce the production cost of the heat dissipation shell 100.

[0061] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; under the idea of the present application, the technical features in the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in details for simplicity; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A heat dissipating housing, characterized by, The heat dissipation shell comprises: a housing comprising a mounting portion provided with two first fluid channels; a heat dissipation support provided in the housing, the heat dissipation support comprising a heat dissipation portion spaced apart from the mounting portion along a first direction, the heat dissipation portion being provided with a second fluid channel, the second fluid channel connecting the two first fluid channels.

2. The heat dissipation shell according to claim 1, wherein: the mounting portion and the heat dissipation portion are both flat plates, the mounting portion and the heat dissipation portion are both perpendicular to the first direction, the heat dissipation portion and the mounting portion form a first mounting space, and the heat dissipation portion has a second mounting space on a side away from the mounting portion.

3. The heat dissipation shell according to claim 1, wherein: the housing comprises two first connecting mouths and two connecting sleeves, each of the first fluid channels connects one first connecting mouth and one connecting sleeve, and the first connecting mouth is used for connecting an external pipeline; the heat dissipation support comprises two second connecting mouths, the second fluid channel connects the two second connecting mouths, and the two second connecting mouths are connected to the two connecting sleeves, respectively.

4. The heat dissipation shell according to claim 3, wherein: the heat dissipation shell comprises at least two sealing rings, the at least two sealing rings are sleeved on the same second connecting mouth, and the sealing ring seals a gap between the second connecting mouth and the connecting sleeve.

5. The heat dissipation shell according to claim 3, wherein: the mounting portion comprises a first shell and a second shell, the first shell is provided with a first groove on a side away from the heat dissipation support, the second shell is provided on a side of the first shell away from the heat dissipation support, and the second shell and the first shell form the first fluid channel by surrounding the first groove.

6. The heat dissipation shell according to claim 5, wherein: the first shell is provided with a first flow dividing wall in the first groove; and / or the connecting sleeve is connected to a bottom of the first groove, the second shell is provided with a first guide cone in the first groove, the first guide cone and the first shell form a first bend, and the first bend connects the first fluid channel and the connecting sleeve.

7. The heat dissipation shell according to claim 3, wherein: the heat dissipation portion comprises a third shell and a fourth shell, the third shell is provided with a second groove, the fourth shell is provided on the third shell, and the fourth shell and the third shell form the second fluid channel by surrounding the second groove.

8. The heat dissipation shell according to claim 7, wherein: the third shell is provided with a second flow dividing wall in the second groove; and / or the second connecting mouth is connected to a bottom of the second groove, the fourth shell is provided with a second guide cone in the second groove, the second guide cone and the third shell form a second bend, and the second bend connects the second fluid channel and the second connecting mouth.

9. The heat dissipation shell according to any one of claims 1 to 8, wherein: in the first direction, a height of the second fluid channel is greater than or equal to 5 mm.

10. A charger characterized by comprising: The heat dissipation shell comprises: The heat dissipation housing according to any one of claims 1 to 9; A power device is arranged on the side of the heat dissipation support away from the mounting portion; A magnetic device is arranged between the heat dissipation support and the mounting portion.

Images