Heat dissipation device and domain controller

Abstract

The utility model discloses a heat dissipation device which comprises a first shell, the first shell comprises an air inlet channel and an air outlet channel, the air inlet channel and the air outlet channel are arranged in a spaced mode in the first direction, and the air inlet channel comprises a first air inlet and a first air outlet which are arranged in a spaced mode in the second direction; the air outlet channel comprises a second air inlet and a second air outlet which are formed in a spaced mode, the first air inlet and the second air outlet are formed in the same side of the first shell in the second direction, the first air outlet and the second air inlet are formed in the same side of the first shell in the second direction, and the first direction is orthogonal to the second direction; the first heat dissipation assembly is arranged in the air inlet channel and used for enabling airflow to sequentially pass through the first air inlet and the first air outlet; and the second heat dissipation assembly is arranged in the air outlet channel and used for enabling the airflow to sequentially pass through the second air inlet and the second air outlet. According to the utility model, the airflow radiation area can be increased, and the heat dissipation performance is improved. The utility model also provides a domain controller.

Description

Technical Field

[0001] The utility model relates to the field of heat dissipation equipment, in particular to a heat dissipation device and a domain controller. Background Art

[0002] The vehicle's domain controller (DCU) is an automotive electronic control unit that integrates multiple functional modules. It is used to manage various functions and systems of the vehicle, such as chassis control, body control, etc. The most typical division method is to divide the entire vehicle's electronic and electrical architecture into five domains: power domain, body domain, chassis domain, cockpit domain and autonomous driving domain.

[0003] At present, the more common heat dissipation method of the domain controller is natural heat dissipation, that is, heat dissipation is carried out through natural heat conduction between the domain controller and the external environment. Alternatively, there is also a technical solution of setting a single fan for heat dissipation in the prior art, but the above heat dissipation methods all have the disadvantages of insufficient heat dissipation capacity and small airflow radiation area. Utility Model Content

[0004] The purpose of the utility model is to solve the technical problems of insufficient heat dissipation capacity and small airflow radiation area. The utility model provides a heat dissipation device, which can increase the airflow radiation area and improve the heat dissipation performance.

[0005] In order to solve the above technical problems, the embodiment of the utility model discloses a heat dissipation device, comprising:

[0006] A first shell, the first shell comprising an air inlet channel and an air outlet channel, the air inlet channel and the air outlet channel are arranged at intervals along a first direction, the air inlet channel comprises a first air inlet and a first air outlet arranged at intervals along a second direction, the air outlet channel comprises a second air inlet and a second air outlet arranged at intervals, the first air inlet and the second air outlet are arranged on the same side of the first shell in the second direction, the first air outlet and the second air inlet are arranged on the same side of the first shell in the second direction, wherein the first direction is orthogonal to the second direction;

[0007] a first heat dissipation component, which is disposed in the air inlet channel and is used to allow air to pass through the first air inlet and the first air outlet in sequence; and

[0008] The second heat dissipation component is arranged in the air outlet channel, and is used to make the air flow pass through the second air inlet and the second air outlet in sequence.

[0009] By adopting the above technical scheme, along the first direction, the first shell is provided with an air inlet channel and an air outlet channel at intervals, along the second direction, the air inlet channel includes a first air inlet and a first air outlet arranged at intervals, the air outlet channel includes a second air inlet and a second air outlet arranged at intervals, and the first air inlet and the second air outlet are arranged on the same side of the first shell in the second direction, and the first air outlet and the second air inlet are arranged on the same side of the first shell in the second direction. When the first heat dissipation component is working, the airflow enters the device to be cooled through the first air inlet and the first air outlet in sequence; when the second heat dissipation component is working, the airflow is discharged from the device to be cooled through the second air inlet and the second air outlet in sequence, so that the airflow can enter and exit the device to be cooled in synchronous and different directions, so as to increase the airflow radiation area, improve the heat dissipation efficiency, and enhance the heat dissipation performance.

[0010] According to another specific embodiment of the utility model, the embodiment of the utility model discloses a heat dissipation device, wherein the first heat dissipation assembly includes a first mounting portion, a first fan and a plurality of first connecting portions, wherein the first fan is mounted on the first mounting portion, and the plurality of first connecting portions are arranged around the first mounting portion at intervals at the first air outlet, wherein one end of each of the first connecting portions is connected to the first mounting portion, and the other end is connected to the inner wall of the air inlet channel;

[0011] The second heat dissipation assembly includes a second mounting portion, a second fan and a plurality of second connecting portions, the second fan being mounted on the second mounting portion, and the plurality of second connecting portions being arranged around the second mounting portion at intervals at the second air outlet, one end of each of the second connecting portions being connected to the second mounting portion, and the other end being connected to the inner wall of the air outlet channel.

[0012] By adopting the above technical solution, by arranging multiple first connecting parts at intervals around the first mounting part as support, and arranging multiple second connecting parts at intervals around the second mounting part as support, the first fan can be stably arranged in the air inlet channel and the second fan can be stably arranged in the air outlet channel without increasing the weight of the heat dissipation component, thereby achieving a lightweight design.

[0013] According to another specific embodiment of the utility model, the embodiment of the utility model discloses a heat dissipation device, wherein along the second direction, the first mounting portion is provided with a first column extending from the first air outlet toward the first air inlet, the first column has a first recess, the first fan is provided with a first convex portion, and the first fan is mounted on the first mounting portion by engaging the first convex portion with the first recess;

[0014] Along the second direction, the second mounting portion is provided with a second column extending from the second air outlet toward the second air inlet, the second column has a second recess, and the second fan is provided with a second protrusion, and the second fan is mounted on the second mounting portion by engaging the second protrusion with the second recess.

[0015] By adopting the above technical solution, the first column of the first installation part is connected to the first fan, and the second column of the second installation part is connected to the second fan, so the stability of the first fan and the second fan can be further enhanced.

[0016] According to another specific embodiment of the utility model, the embodiment of the utility model discloses a heat dissipation device, wherein the first heat dissipation assembly includes a first circuit board, and along the second direction, the first mounting portion includes a first mounting groove on one side facing the first air inlet, and the first circuit board is arranged between the first mounting groove and the first fan;

[0017] The second heat dissipation assembly includes a second circuit board. Along the second direction, the second mounting portion includes a second mounting groove on one side facing the second air inlet. The second circuit board is disposed between the second mounting groove and the second fan.

[0018] By adopting the above technical solution, the first circuit board is arranged between the first installation slot and the first fan, which can prevent the first circuit board from escaping from the air inlet channel, and the second circuit board is arranged between the second installation slot and the second fan, which can prevent the second circuit board from escaping from the air outlet channel.

[0019] According to another specific embodiment of the utility model, an embodiment of the utility model discloses a heat dissipation device, which includes a first group of wiring harnesses and a second group of wiring harnesses, one end of the first group of wiring harnesses is electrically connected to the first circuit board, and the other end is used to be electrically connected to the control unit, one end of the second group of wiring harnesses is electrically connected to the second circuit board, and the other end is used to be electrically connected to the control unit, and the first circuit board and the second circuit board are arranged in series.

[0020] By adopting the above technical solution, the first circuit board and the second circuit board are arranged in series, which facilitates the simultaneous start-up or shutdown of the first fan and the second fan to improve the heat dissipation efficiency.

[0021] According to another specific embodiment of the utility model, the embodiment of the utility model discloses a heat dissipation device, wherein the first housing includes a first wire groove and a second wire groove, the first wire groove and the second wire groove are arranged on a side of the air inlet channel close to the first circuit board in the second direction, and along the second direction, the first wire groove has a first opening on a side facing the first air inlet, and the second wire groove has a second opening on a side facing the first air outlet;

[0022] The first shell includes a third wire groove and a fourth wire groove, and the third wire groove and the fourth wire groove are arranged on the side of the air outlet channel close to the second circuit board in the second direction. Along the second direction, the third wire groove has a third opening on the side facing the second air inlet, and the fourth wire groove has a fourth opening on the side facing the second air outlet.

[0023] By adopting the above technical solution, by setting the first wire trough and the second wire trough, the position of the first group of wire harnesses can be fixed, thereby preventing the position of the first group of wire harnesses from being shifted when the first fan is running, thereby preventing the first group of wire harnesses from being damaged; similarly, by setting the third wire trough and the fourth wire trough, the position of the second group of wire harnesses can be fixed, thereby preventing the position of the second group of wire harnesses from being shifted when the second fan is running, thereby preventing the second group of wire harnesses from being damaged.

[0024] According to another specific embodiment of the utility model, an embodiment of the utility model discloses a heat dissipation device, the first shell includes a first group of weight reduction through holes and a second group of weight reduction through holes, the first group of weight reduction through holes includes a plurality of first weight reduction through holes arranged around the air inlet channel, the second group of weight reduction through holes includes a plurality of second weight reduction through holes arranged around the air outlet channel.

[0025] By adopting the above technical solution and providing weight-reducing through holes, the weight of the heat dissipation device can be reduced, thereby achieving a lightweight design.

[0026] According to another specific embodiment of the present utility model, the embodiment of the present utility model discloses a heat dissipation device, wherein the first shell includes a weight-reducing groove, and along the first direction, the weight-reducing groove is arranged between the air inlet channel and the air outlet channel.

[0027] By adopting the above technical solution and providing the weight-reducing grooves, the weight of the heat dissipation device can be reduced, thereby achieving a lightweight design.

[0028] The embodiment of the utility model further discloses a domain controller, which at least includes the heat dissipation device in any one of the above embodiments.

[0029] According to another specific embodiment of the present utility model, the embodiment of the present utility model discloses a domain controller, which includes a flow channel, and the flow channel includes an air inlet and an air outlet. The first heat dissipation component of the heat dissipation device is arranged at the air inlet, and the second heat dissipation component of the heat dissipation device is arranged at the air outlet.

[0030] By adopting the above technical solution, the heat dissipation device is matched with the flow channel. The first heat dissipation component is used to deliver wind into the flow channel, and the second heat dissipation component is used to discharge wind out of the flow channel. This can effectively reduce the flow resistance of the wind channel, increase the wind pressure, and enable the domain controller to maintain air flow in a relatively closed installation environment, thereby improving heat dissipation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 A top view of a domain controller provided in an embodiment of the present application is shown.

[0032] Figure 2 A schematic isometric view of a heat dissipation device provided in an embodiment of the present application is shown.

[0033] Figure 3 A bottom-up stereoscopic schematic diagram of a heat dissipation device provided in an embodiment of the present application is shown.

[0034] Figure 4 A cross-sectional view of a heat dissipation device provided in an embodiment of the present application is shown.

[0035] Figure 5 A cross-sectional view of a heat dissipation device including a first fan and a second fan provided in an embodiment of the present application is shown.

[0036] Figure 6 A three-dimensional schematic diagram of a first fan and a second fan of a heat dissipation device provided in an embodiment of the present application is shown.

[0037] Figure 7 A front view of the heat dissipation device provided in an embodiment of the present application is shown.

[0038] Figure 8 A schematic diagram showing a heat dissipation device provided in an embodiment of the present application including a wire trough.

[0039] Fig. 9 A partial enlarged view of the first wire groove and the second wire groove of the heat dissipation device provided in an embodiment of the present application is shown.

[0040] Fig.10 A schematic diagram showing the positional relationship between a first wire passing groove and a second wire passing groove of a heat dissipation device provided in an embodiment of the present application is shown.

[0041] Fig.11 A partial enlarged view of the third wire trough and the fourth wire trough of the heat dissipation device provided in an embodiment of the present application is shown. DETAILED DESCRIPTION

[0042] The following is an explanation of the implementation of the present invention by specific specific embodiments. Those skilled in the art can easily understand other advantages and functions of the present invention from the contents disclosed in this specification. Although the description of the present invention will be introduced in conjunction with the preferred embodiment, this does not mean that the features of this utility model are limited to this implementation. On the contrary, the purpose of introducing the utility model in conjunction with the implementation is to cover other options or modifications that may be extended based on the claims of the present invention. In order to provide a deep understanding of the present invention, the following description will include many specific details. The present invention can also be implemented without using these details. In addition, in order to avoid confusion or blurring the focus of the present invention, some specific details will be omitted in the description. It should be noted that, in the absence of conflict, the embodiments in the present invention and the features in the embodiments can be combined with each other.

[0043] It should be noted that in this specification, similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0044] In the description of this embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0045] The terms “first”, “second”, etc. are only used for distinguishing descriptions and should not be understood as indicating or implying relative importance.

[0046] In the description of this embodiment, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this embodiment can be understood according to specific circumstances.

[0047] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0048] In some embodiments, see Figure 1The present application provides a domain controller 100, including a heat dissipation device 1 and a flow channel 2, the flow channel 2 includes an air inlet 21 and an air outlet 22, the first heat dissipation component 10 of the heat dissipation device 1 is arranged at the air inlet 21, and the second heat dissipation component 11 of the heat dissipation device 1 is arranged at the air outlet 22. Exemplarily, the domain controller 100 includes a second shell 3, on which other components of the domain controller 100 (not shown in the figure) are arranged, and a U-shaped flow channel 2 is arranged on the second shell 3, the air inlet 21 and the air outlet 22 are respectively located at the two ends of the U-shaped flow channel 2 in the first direction x, the heat dissipation device 1 provided in the present application matches the U-shaped flow channel 2, the first heat dissipation component 10 is used to send wind into the U-shaped flow channel 2, and the wind flows in the flow channel 2 along the direction a, and the second heat dissipation component 11 is used to discharge the wind from the U-shaped flow channel 2, which can effectively reduce the flow resistance of the air channel, increase the wind pressure, and enable the domain controller to maintain air flow in a relatively closed installation environment, thereby improving the heat dissipation efficiency.

[0049] It can be understood that the heat dissipation device 1 provided in the present application is not limited to matching with a U-shaped flow channel, for example, it can also match with a flow channel of a V-shape, an "I" shape, etc., and the present application does not impose any limitation on this.

[0050] In some embodiments, see Figure 2 , Figure 3 , Figure 4 Combined with Figure 1 The heat dissipation device 1 includes a first shell 13, the first shell 13 includes an air inlet channel 131 and an air outlet channel 132, along the first direction x, the air inlet channel 131 and the air outlet channel 132 are arranged at intervals, along the second direction Y, the air inlet channel 131 includes a first air inlet 1311 and a first air outlet 1312 arranged at intervals, the air outlet channel 132 includes a second air inlet 1321 and a second air outlet 1322 arranged at intervals, the first air inlet 1311 and the second air outlet 1322 are arranged at the first shell The first air outlet 1312 and the second air inlet 1321 are arranged on the same side of the first shell body 13 in the second direction Y, wherein the first direction X is orthogonal to the second direction Y; the first heat dissipation component 10 is arranged in the air inlet channel 131, and is used to make the air flow pass through the first air inlet 1311 and the first air outlet 1312 in sequence; the second heat dissipation component 11 is arranged in the air outlet channel 132, and is used to make the air flow pass through the second air inlet 1321 and the second air outlet 1322 in sequence.

[0051] By adopting the above technical scheme, along the first direction x, the first shell 13 is provided with an air inlet channel 131 and an air outlet channel 132 at intervals, and along the second direction Y, the air inlet channel 131 includes a first air inlet 1311 and a first air outlet 1312 arranged at intervals, and the air outlet channel 132 includes a second air inlet 1321 and a second air outlet 1322 arranged at intervals, and the first air inlet 1311 and the second air outlet 1322 are arranged on the same side of the first shell 13 in the second direction Y, and the first air outlet 1312 and the second air inlet 1321 are arranged on the same side of the first shell 13 in the second direction Y. When the first heat dissipation component 10 is working, the airflow enters the flow channel 2 through the first air inlet 1311 and the first air outlet 1312 in sequence; when the second heat dissipation component 11 is working, the airflow is discharged from the flow channel 2 through the second air inlet 1321 and the second air outlet 1322 in sequence, so that the airflow can enter and exit the flow channel 2 synchronously in different directions, so as to increase the airflow radiation area, improve the heat dissipation efficiency, and enhance the heat dissipation performance.

[0052] In some embodiments, see Figure 4 , Figure 5 The first heat dissipation assembly 10 includes a first mounting portion 101, a first fan 102 and a plurality of first connection portions 103. The first fan 102 is mounted on the first mounting portion 101. The plurality of first connection portions 103 are arranged around the first mounting portion 101 at intervals at the first air outlet 1321. One end of each first connection portion 103 is connected to the first mounting portion 101, and the other end is connected to the inner wall of the air inlet channel 131. The second heat dissipation assembly 11 includes a second mounting portion 111, a second fan 112 and a plurality of second connection portions 113. The second fan 112 is mounted on the second mounting portion 111. The plurality of second connection portions 113 are arranged around the second mounting portion 111 at intervals at the second air outlet 1322. One end of each second connection portion 113 is connected to the second mounting portion 113, and the other end is connected to the inner wall of the air outlet channel 132.

[0053] In some embodiments, Figure 2 , Figure 3 , Figure 4 The first fan 102 draws wind into the air inlet channel 131, and the wind enters the flow channel through the first air inlet 1311 and the first air outlet 1312 in sequence along direction b. The second fan 112 draws wind in the flow channel into the air outlet channel 132, and the wind is discharged through the second air inlet 1321 and the second air outlet 1322 in sequence along direction c.

[0054] Exemplarily, the first mounting portion 101 is disposed in the air inlet channel 131 near the first air outlet 1312, and the second mounting portion 111 is disposed in the air outlet channel 132 near the second air outlet 1322. The first mounting portion 101 is a disc-shaped configuration, the second mounting portion 111 is a disc-shaped configuration, the first connecting portion 103 is a hollow columnar configuration, and the second connecting portion 113 is a hollow columnar configuration, which are used to reduce the weight of the heat dissipation device.

[0055] For example, see Figure 2 , Figure 3 , Figure 4 , three first connection parts 103 are arranged around the first mounting part 101 at intervals along the circumferential direction R, and three second connection parts 113 are arranged around the second mounting part 111 at intervals along the circumferential direction R. It can be understood that the present application does not limit the number of the first connection parts 103 and the second connection parts 113. For example, the number of the first connection parts 103 or the second connection parts 113 can be 1, 2, 4, 5, 6, 7, etc. In addition, the present application does not limit the shapes of the first mounting part 101, the second mounting part 111, the first connection part 103 and the second connection part 113. For example, the first mounting part 101 or the second mounting part 111 can also be other shapes such as a rectangle, and the shape of the first connection part 103 or the second connection part 113 can also be other shapes such as a plate.

[0056] In some embodiments, see Figure 4 , Figure 5 , Figure 6 , along the second direction Y, the first mounting portion 101 is provided with a first column 1011 extending from the first air outlet 1312 toward the first air inlet 1311, the first column 1011 has a first recess 1012, the first fan 102 is provided with a first convex portion 1021, and the first fan 102 is mounted on the first mounting portion 101 by engaging the first convex portion 1021 with the first recess 1012. Along the second direction Y, the second mounting portion 111 is provided with a second column 1111 extending from the second air outlet 1322 toward the second air inlet 1321, the second column 1111 has a second recess 1112, the second fan 112 is provided with a second convex portion 1121, and the second fan 112 is mounted on the second mounting portion 111 by engaging the second convex portion 1121 with the second recess 1112.

[0057] For example, see Figure 4 , Figure 5 , Figure 6The first fan 102 includes a third housing 1022 and a plurality of first blades 1023, the plurality of first blades 1023 are arranged around the third housing 1022 at intervals along the circumferential direction R, along the second direction Y, the third housing 1022 has a first receiving groove 1024, the first convex portion 1021 is arranged in the first receiving groove 1024, and extends toward the outside. The second fan 112 includes a fourth housing 1122 and a plurality of second blades 1123, the plurality of second blades 1123 are arranged around the fourth housing 1122 at intervals along the circumferential direction R, along the second direction Y, the fourth housing 1122 has a second receiving groove 1124, the second convex portion 1121 is arranged in the second receiving portion 1124, and extends toward the outside.

[0058] It can be understood that the present application does not limit the number of the first fan blades 1023 and the second fan blades 1123, and the number can be 1, 2, 3, 4, 5, 6, 7, etc.

[0059] In some embodiments, see Figure 4 , Figure 5 The first heat dissipation component 10 includes a first circuit board 104. Along the second direction Y, the first mounting portion 101 includes a first mounting groove 1013 on one side facing the first air inlet 1311. The first column 1011 is protruded from the first bottom wall 10131 of the first mounting groove 1013. The first circuit board 104 is arranged between the first mounting groove 1013 and the first fan 102. The second heat dissipation component 11 includes a second circuit board 114. Along the second direction Y, the second mounting portion 111 includes a second mounting groove 1141 on one side facing the second air inlet 1321. The second column 1111 is protruded from the second bottom wall 11411 of the second mounting groove 1141. The second circuit board 114 is arranged between the second mounting groove 1141 and the second fan 112.

[0060] Exemplarily, the first circuit board 104 is set in an annular shape, the first circuit board 104 is sleeved in the first column 1011, and the first circuit board 104 abuts against the first side wall 10132 of the first mounting groove 1013. The second circuit board 114 is set in an annular shape, the second circuit board 114 is sleeved in the second column 1111, and the second circuit board 114 abuts against the second side wall 11412 of the second mounting groove 1141. It can be understood that the present application does not limit the shapes of the first circuit board 104 and the second circuit board 114, for example, they can also be other shapes such as quadrilateral, pentagon, hexagon, etc.

[0061] In some embodiments, see Figure 4 , Figure 5 , Figure 7The domain controller includes a control unit (not shown in the figure), and the heat dissipation device 1 includes a first set of wire harnesses 14 and a second set of wire harnesses 15. One end of the first set of wire harnesses 14 is electrically connected to the first circuit board 104, and the other end is used to be electrically connected to the control unit. One end of the second set of wire harnesses 15 is electrically connected to the second circuit board 114, and the other end is used to be electrically connected to the control unit. The first circuit board 104 and the second circuit board 114 are arranged in series. Exemplarily, the control unit is a third circuit board, which is used to control the start and stop of the first fan 102 and the second fan 112 and the wind speed, etc.

[0062] For example, see Figure 7 The first group of wiring harnesses 14 includes a first connecting line 141, a second connecting line 142, a third connecting line 143, and a fourth connecting line 144, and the second group of wiring harnesses 15 includes a fifth connecting line 151, a sixth connecting line 152, a seventh connecting line 153, and an eighth connecting line 154, wherein the first connecting line 141 and the fifth connecting line 151 are FG (Frequncy Generator) signal transmission lines for detecting the wind speed of the fan, the second connecting line 142 and the sixth connecting line 152 are PWM (Pulse Width Modulation) signal transmission lines, the third connecting line 143 and the seventh connecting line 153 are grounding lines, and the fourth connecting line 144 and the eighth connecting line 154 are DC power supply connecting lines.

[0063] In some embodiments, see Figure 8 , Fig. 9 , Fig.11 Combined with Figure 7 The first shell 13 includes a first wire groove 133 and a second wire groove 134, which are arranged on the side of the air inlet channel 131 close to the first circuit board 104 in the second direction Y. Along the second direction Y, the first wire groove 133 has a first opening 1331 on the side facing the first air inlet 1311, and the second wire groove 134 has a second opening 1341 on the side facing the first air outlet 1312; the first shell 13 includes a third wire groove 135 and a fourth wire groove 136, which are arranged on the side of the air outlet channel 132 close to the second circuit board 114 in the second direction Y. Along the second direction Y, the third wire groove 135 has a third opening 1351 on the side facing the second air inlet 1321, and the fourth wire groove 136 has a fourth opening 1361 on the side facing the second air outlet 1322.

[0064] For example, see Figure 5 , Fig. 9 , Fig.10 Combined with Figure 7The first wire groove 133 includes a first part 1332, a second part 1333, and a third part 1334. The second part 1333 is protruded from the first part 1332 along the first direction X, and the third part 1334 is protruded from the second part 1333 along the second direction Y. The first part 1332, the second part 1333, and the third part 1334 are jointly enclosed to form a first opening 1331. The second wire groove 134 is opened on the side of the air inlet channel 131 along the second direction Y close to the first air outlet 1312. The first group of wires 14 enter the air inlet channel 131 along the direction d through the first wire groove 133 and the second wire groove 134 in sequence and are electrically connected to the first circuit board 104.

[0065] For example, see Figure 8 , Fig.11 Combined with Figure 7 The third wire groove 135 includes a fourth portion 1352, a fifth portion 1353, and a sixth portion 1354. The fifth portion 1353 is protruded from the fourth portion 1352 along the first direction X, and the sixth portion 1354 is protruded from the fifth portion 1353 along the second direction Y. The fourth portion 1352, the fifth portion 1353, and the sixth portion 1354 jointly form a third opening 1351. The fourth wire groove 136 is disposed on one side of the air outlet channel 132 along the second direction Y close to the second air outlet 1322. The second group of wiring harnesses 15 enter the air outlet channel 132 along the direction e in sequence through the third wire groove 135 and the fourth wire groove 136 to be electrically connected to the second circuit board 114.

[0066] In some embodiments, see Figure 3 , Figure 4 , Figure 8 , the first shell 13 includes a first group of weight-reducing through holes 137 and a second group of weight-reducing through holes 138, the first group of weight-reducing through holes 137 includes a plurality of first weight-reducing through holes 1371 arranged around the air inlet channel 131, and the second group of weight-reducing through holes 138 includes a plurality of second weight-reducing through holes 1381 arranged around the air outlet channel 132. Exemplarily, the first group of weight-reducing through holes 137 includes four first weight-reducing through holes 1371 arranged around the air inlet channel 131, and the second group of weight-reducing through holes 138 includes four second weight-reducing through holes 1381 arranged around the air outlet channel 132, and the first weight-reducing through holes 1371 and the second weight-reducing through holes 1381 penetrate the first shell 13 in the second direction Y. The present application does not limit the number of weight-reducing through holes, and for example, the number may be 1, 2, 3, 5, 6, 7, or the like.

[0067] In some embodiments, see Figure 3 , Figure 4 , Figure 8The first housing 13 includes a weight-reducing groove 139, and the weight-reducing groove 139 is arranged between the air inlet channel 131 and the air outlet channel 132 along the first direction x. Exemplarily, the first housing 13 includes 6 weight-reducing grooves 139 on both sides of the second direction Y, wherein each side includes 3 weight-reducing grooves 139 arranged at intervals along the first direction X, and each weight-reducing groove 139 is extended along the third direction Z. The present application does not limit the number of weight-reducing grooves 139, and for example, the number may be 1, 2, 4, 5, 6, 7, etc.

[0068] Although the present invention has been illustrated and described with reference to certain preferred embodiments of the present invention, it should be understood by those skilled in the art that the above contents are further detailed descriptions of the present invention in combination with specific embodiments, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. Those skilled in the art may make various changes in form and details, including making several simple deductions or substitutions, without departing from the spirit and scope of the present invention.

Claims

1. A heat dissipation device, characterized in that: include: A first shell, the first shell comprising an air inlet channel and an air outlet channel, the air inlet channel and the air outlet channel are arranged at intervals along a first direction, the air inlet channel comprises a first air inlet and a first air outlet arranged at intervals along a second direction, the air outlet channel comprises a second air inlet and a second air outlet arranged at intervals, the first air inlet and the second air outlet are arranged on the same side of the first shell in the second direction, the first air outlet and the second air inlet are arranged on the same side of the first shell in the second direction, wherein the first direction is orthogonal to the second direction; A first heat dissipation component, which is disposed in the air inlet channel and is used to allow air to pass through the first air inlet and the first air outlet in sequence; as well as The second heat dissipation component is arranged in the air outlet channel, and is used to make the air flow pass through the second air inlet and the second air outlet in sequence.

2. The heat dissipation device according to claim 1, characterized in that: The first heat dissipation assembly includes a first mounting portion, a first fan and a plurality of first connecting portions, wherein the first fan is mounted on the first mounting portion, and the plurality of first connecting portions are arranged around the first mounting portion at intervals at the first air outlet, and one end of each of the first connecting portions is connected to the first mounting portion, and the other end is connected to the inner wall of the air inlet channel; The second heat dissipation assembly includes a second mounting portion, a second fan and a plurality of second connecting portions, the second fan being mounted on the second mounting portion, and the plurality of second connecting portions being arranged around the second mounting portion at intervals at the second air outlet, one end of each of the second connecting portions being connected to the second mounting portion, and the other end being connected to the inner wall of the air outlet channel.

3. The heat dissipation device according to claim 2, characterized in that: Along the second direction, the first mounting portion is provided with a first column extending from the first air outlet toward the first air inlet, the first column has a first recess, the first fan is provided with a first convex portion, and the first fan is mounted on the first mounting portion by engaging the first convex portion with the first recess; Along the second direction, the second mounting portion is provided with a second column extending from the second air outlet toward the second air inlet, the second column has a second recess, and the second fan is provided with a second protrusion, and the second fan is mounted on the second mounting portion by engaging the second protrusion with the second recess.

4. The heat dissipation device according to claim 3, characterized in that: The first heat dissipation assembly includes a first circuit board, and along the second direction, a side of the first mounting portion facing the first air inlet includes a first mounting groove, and the first circuit board is arranged between the first mounting groove and the first fan; The second heat dissipation assembly includes a second circuit board. Along the second direction, the second mounting portion includes a second mounting groove on one side facing the second air inlet. The second circuit board is disposed between the second mounting groove and the second fan.

5. The heat dissipation device according to claim 4, characterized in that: The heat dissipation device includes a first group of wiring harnesses and a second group of wiring harnesses, one end of the first group of wiring harnesses is electrically connected to the first circuit board, and the other end is used to be electrically connected to the control unit, one end of the second group of wiring harnesses is electrically connected to the second circuit board, and the other end is used to be electrically connected to the control unit, and the first circuit board and the second circuit board are arranged in series.

6. The heat dissipation device according to claim 5, characterized in that: The first housing includes a first wire groove and a second wire groove, the first wire groove and the second wire groove are arranged on a side of the air inlet passage close to the first circuit board in the second direction, and along the second direction, the first wire groove has a first opening on a side facing the first air inlet, and the second wire groove has a second opening on a side facing the first air outlet; The first shell includes a third wire groove and a fourth wire groove, and the third wire groove and the fourth wire groove are arranged on the side of the air outlet channel close to the second circuit board in the second direction. Along the second direction, the third wire groove has a third opening on the side facing the second air inlet, and the fourth wire groove has a fourth opening on the side facing the second air outlet.

7. The heat dissipation device according to any one of claims 1 to 6, characterized in that: The first shell includes a first group of weight-reducing through holes and a second group of weight-reducing through holes, the first group of weight-reducing through holes includes a plurality of first weight-reducing through holes arranged around the air inlet channel, and the second group of weight-reducing through holes includes a plurality of second weight-reducing through holes arranged around the air outlet channel.

8. The heat dissipation device according to any one of claims 1 to 6, characterized in that: The first shell includes a weight-reducing groove, and along the first direction, the weight-reducing groove is arranged between the air inlet channel and the air outlet channel.

9. A domain controller, characterized in that: Comprising the heat dissipation device as described in any one of claims 1-8.

10. The domain controller according to claim 9, characterized in that The domain controller includes a flow channel, the flow channel includes an air inlet and an air outlet, the first heat dissipation component of the heat dissipation device is arranged at the air inlet, and the second heat dissipation component of the heat dissipation device is arranged at the air outlet.

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