WO2020006877A1

WO2020006877A1 - Heat dissipating assembly and remote control

Info

Publication number: WO2020006877A1
Application number: PCT/CN2018/106110
Authority: WO
Inventors: 张雅文; 郭晓凯
Original assignee: 深圳市大疆创新科技有限公司
Priority date: 2018-07-02
Filing date: 2018-09-18
Publication date: 2020-01-09
Also published as: CN110896689A; CN208300209U; CN110896689B

Abstract

Disclosed is a heat dissipating assembly (100). The heat dissipating assembly (100) is used for a remote control (1000). The heat dissipating assembly (100) comprises a heat sink (10) and a fan (20). The heat sink (10) comprises a first heat conduction part (11), a second heat conduction part (14) and at least one heat dissipating fin (12), wherein the first heat conduction part (11) is connected to the second heat conduction part (14), a first face (111) of the first heat conduction part (11) is used for attaching to a first circuit board (300) of the remote control, the at least one heat dissipating fin (12) is formed on a second face (112), facing away from the first face (111), of the first heat conduction part (11), the at least one heat dissipating fin (12) forms a heat dissipation air channel (121), and a third face (141), facing the heat dissipating fin (12), of the second heat conduction part (14) is used for attaching to a second circuit board (400) of the remote control (1000). The fan (20) is mounted on the heat sink (10) and is used for establishing an airflow passing through the heat dissipation air channel (121), so as to dissipate heat transferred from the second heat conduction part (14) and the first heat conduction part (11) to the heat dissipating fin (12). Further disclosed is a remote control (1000). One heat sink (10) can be attached to the first circuit board (300) and the second circuit board (400) of the remote control (1000) simultaneously, facilitating the arrangement of the heat dissipating assembly (100) in the remote control (1000), thereby saving on space within the remote control (1000).

Description

Cooling component and remote control

Technical field

Embodiments of the present invention relate to the technical field of remote control devices, and more particularly, to a heat dissipation component and a remote controller.

Background technique

The remote control usually includes at least one circuit board. At least one circuit board generates heat during the work. In order to maintain the normal operation of the remote control, it is necessary to dissipate the heat in time. Usually, at least one heat dissipation element is required to dissipate the heat generated by the at least one circuit board. Heat is dissipated, however, it is difficult to reasonably arrange at least one heat dissipating element in the remote control, and at least one heat dissipating element will occupy more space in the remote control.

Summary of the invention

An embodiment of the present invention provides a heat dissipation component and a remote controller.

The heat dissipation component according to the embodiment of the present invention is used for a remote controller, and the heat dissipation component includes:

A heat sink including a first heat conducting portion, a second heat conducting portion, and at least one heat radiating fin, the first heat conducting portion is connected to the second heat conducting portion, and a first surface of the first heat conducting portion is used for For bonding with the first circuit board of the remote controller, at least one of the heat dissipation fins is formed on a second surface of the first heat conducting portion opposite to the first surface, and at least one of the heat dissipation fins is formed A heat dissipation air duct, the third surface of the second heat conducting portion facing the heat dissipation fin is adapted to be attached to a second circuit board of the remote controller; and

A fan installed on the radiator and configured to establish an airflow through the heat dissipation air duct to dissipate heat transferred from the second heat conducting portion and the first heat conducting portion to the heat dissipation fins .

In some embodiments, the heat sink further includes a connection plate, and there is a height difference between the first heat conduction portion and the second heat conduction portion, and the connection plate connects the first heat conduction portion and the first heat conduction portion. Second heat conduction part.

In some embodiments, the connecting plate is connected to an end portion of the first heat conduction portion near the second heat conduction portion, and an end portion of the second heat conduction portion near the first heat conduction portion, so The first surface and the connection plate form a first accommodation space, the first accommodation space is used to receive the first circuit board, and the third surface and the connection plate form a second accommodation space. The second accommodating space is used for accommodating the second circuit board.

In some embodiments, the fan includes a fan and a bracket, the bracket is detachably mounted on the first heat conducting portion, the fan is mounted on the bracket, and an air outlet of the fan and the fan The cooling air ducts are connected.

In some embodiments, the heat sink further includes at least one auxiliary fin formed on the first heat conducting portion, and at least one of the auxiliary fins is distributed on at least one side of the heat dissipation fin.

In some embodiments, the heat sink further includes a heat conducting tube, and the heat conducting tube is disposed on the first heat conducting portion and the second heat conducting portion.

The remote controller according to the embodiment of the present invention includes:

A casing, the casing forming a receiving cavity, and an air inlet and an air outlet communicating with the receiving cavity;

First circuit board

A second circuit board; and

In the heat dissipation component according to any one of the above embodiments, the first circuit board, the second circuit board, and the heat dissipation component are all housed in the receiving cavity, and the airflow enters the air inlet through the air inlet. The accommodating cavity flows out of the accommodating cavity from the air outlet after passing through the heat dissipation air duct.

In some embodiments, the housing includes a main body and a cover, the cover is detachably mounted on the main body, and the fan and the second circuit board are located in the second heat conducting portion and the Between the cover bodies, the fan body and / or the second circuit board are exposed after the cover body is detached from the main body.

In some embodiments, the second circuit board is disposed between the second heat conducting portion and the fan, the fan is detachably mounted on the first heat conducting portion, and the second circuit board Removably mounted on the second heat conducting portion.

In some embodiments, the main body is formed with a front surface and a back surface opposite to each other, the front surface is provided with a remote control of the remote controller, and the cover is disposed on the back surface.

In some embodiments, the air inlet is formed on the cover, and the air outlet is formed on a side portion of the remote controller, and the side portion connects the front surface and the back surface.

In some embodiments, the remote controller is used to control one or more of a drone, a gimbal, a camera, and a headset device.

In the heat dissipating component and the remote controller according to the embodiments of the present invention, a radiator can be simultaneously attached to the first circuit board and the second circuit board of the remote controller, and the first circuit board and the second circuit board are utilized by the airflow generated by the fan. The generated heat is dissipated through the heat dissipation air duct, and a remote control component can make the remote controller have better heat dissipation performance, and it is convenient to arrange the thermal dissipation component in the remote control, thereby saving space in the remote control.

Additional aspects and advantages of the embodiments of the present invention will be given in part in the following description, part of which will become apparent from the following description, or be learned through practice of the embodiments of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS

The above and / or additional aspects and advantages of the embodiments of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, wherein:

1 is an exploded perspective view of a remote controller according to an embodiment of the present invention;

2 is a schematic cross-sectional view of a remote controller according to an embodiment of the present invention;

3 is a perspective assembly schematic diagram of a heat dissipation component, a first circuit board, and a second circuit board of a remote controller according to an embodiment of the present invention;

4 is an exploded perspective view of a heat dissipation component, a first circuit board and a second circuit board of a remote controller according to an embodiment of the present invention;

5 is a perspective exploded perspective view of a heat dissipation component, a first circuit board, and a second circuit board of a remote controller according to an embodiment of the present invention from another perspective;

6 is a perspective assembly schematic view of a heat dissipation component according to an embodiment of the present invention;

FIG. 7 is a schematic assembly cross-sectional view of a heat dissipation component according to an embodiment of the present invention; FIG.

8 is an enlarged schematic view of a part VIII of the heat dissipation component shown in FIG. 7;

FIG. 9 is an exploded perspective view of a heat dissipation component according to an embodiment of the present invention; FIG.

10 is a schematic exploded cross-sectional view of a heat dissipation component according to an embodiment of the present invention;

11 is a schematic perspective view of a fan according to an embodiment of the present invention;

12 is a schematic perspective view of a stent according to an embodiment of the present invention;

13 is a schematic perspective view of the stent according to the embodiment of the present invention from another perspective.

detailed description

The following further describes the embodiments of the present invention with reference to the accompanying drawings. The same or similar reference numerals in the drawings indicate the same or similar elements or elements having the same or similar functions.

In addition, the embodiments of the present invention described below with reference to the drawings are exemplary, and are only used to explain the embodiments of the present invention, and should not be construed as limiting the embodiments of the present invention.

In the embodiments of the present invention, unless specified and defined otherwise, the first feature "on" or "down" of the second feature may be the first and second features in direct contact, or the first and second features may pass through the middle Media indirect contact. Moreover, the first feature is "above", "above", and "above" the second feature. The first feature is directly above or obliquely above the second feature, or it only indicates that the first feature is higher in level than the second feature. The first feature is “below”, “below”, and “below” of the second feature. The first feature may be directly below or obliquely below the second feature, or it may simply indicate that the first feature is less horizontal than the second feature.

Referring to FIGS. 1 to 3, a remote controller 1000 according to an embodiment of the present invention includes a housing 200, a first circuit board 300, a second circuit board 400, and a heat dissipation component 100. It can be understood that the remote controller 1000 may also be provided with a circuit board other than the first circuit board 300 and the second circuit board 400 to achieve more functions.

Further, the remote controller 1000 may be used to control one or more of a drone, a gimbal, a camera, and a headset device. For example, the remote controller 1000 may be used to control the take-off, hovering, acceleration, etc. of the drone; or a remote control The controller 1000 can be used to control the rotation of the gimbal about the yaw axis, roll axis, and pitch axis; or the remote controller 1000 can be used to control the camera to take pictures or videos, etc .; or the remote controller 1000 can be used to control the headset device to display virtual images or reality Scenes, etc. The remote controller 1000 can also control multiple of the drone, gimbal, camera, and headset device at the same time, for example, control the camera and headset device at the same time to use the headset device to display the image captured by the camera in real time; for example, control the gimbal at the same time And camera to control the movement of the gimbal and drive the camera to track and shoot the target object; for example, control the drone, gimbal and camera at the same time to control the movement of the drone and gimbal to drive the camera to shoot. Among them, the drone can be an unmanned aerial vehicle, an unmanned ship, an unmanned vehicle, etc. The gimbal can be an on-board gimbal or a handheld gimbal, etc. The camera can be any terminal (such as a mobile phone) with a shooting function, and the head The display device may be a smart helmet, smart glasses, or the like.

The user can control the remote control 1000 by holding the housing 200. The housing 200 is formed with a receiving cavity 201. The receiving cavity 201 can be used to receive the first circuit board 300, the second circuit board 400, and the heat dissipation module 100 of the remote control 1000. It can also be used for accommodating functional modules such as power supply modules and communication modules. The housing 200 provides protection for the functional modules from falling and dust. The housing 200 is formed with an air inlet 202 and an air outlet 203, wherein the air inlet 202 is in communication with the receiving cavity 201, the air outlet 203 is in communication with the receiving cavity 201, and external air can enter the receiving cavity 201 from the air inlet 202 and the receiving cavity The air in 201 can flow out from the air outlet 203 so that the receiving chamber 201 can exchange air with the outside. It can be understood that during the process of air exchange, the heat generated by the function modules in the receiving chamber 201 is easily dissipated to the outside air.

In the embodiment of the present invention, the housing 200 includes a main body 204 and a cover 205, and the main body 204 and the cover 205 are combined to form the housing 200. The main body 204 is formed with a front surface 2041 and a back surface 2042. The front surface 2041 is opposite to the back surface 2042, and the front surface 2041 and the back surface 2042 are connected by a side portion 2043 of the main body 204. The front face 2041 may be the face directly facing the user when holding the remote control 1000. The front face 2041 may be provided with a remote control member 500 of the remote control 1000, and the remote control member 500 may be an operation member such as a button, a joystick, a jog dial, or a joystick. The front 2041 can also be provided with a display screen, which can be used to display the use parameters of the remote control 1000 and the use parameters of the remote-controlled object. In one example, the main body 204 may be square as a whole, and the side portion 2043 may include a top portion, a bottom portion, a left portion, and a right portion of the remote control 1000, where the top portion faces away from the bottom portion, and the left portion faces away from the right portion. The user can hold the left side and the right side with both hands to grip the remote controller 1000, the top can be used to set the antenna, and the bottom can be provided with a charging interface, a data interface, and so on. In the embodiment shown in FIGS. 1 and 2, the air outlet 203 is provided at the top. Of course, in other embodiments, the air outlet 203 may also be provided at other positions, for example, the air outlet 203 is provided at the bottom, left side, right side, etc., which is not limited herein.

The cover body 205 may be disposed on the back surface 2042 of the main body 204, and the cover body 205 may be detachably connected to the main body 204. Specifically, the cover body 205 may be detachably connected to the main body 204 by means of screwing, engaging, etc. The user removes the cover 205 and repairs and replaces the functional modules in the receiving cavity 201. In the embodiment shown in FIG. 1 and FIG. 2, the air inlet 202 is disposed on the cover 205, and the cover 205 can be detachably connected to the main body 204 by screws. Of course, in other embodiments, the air inlet 202 may also be provided at other positions, for example, at the front 2041, the bottom, the left side, the right side, and the like, which is not limited herein.

The first circuit board 300 and the second circuit board 400 may each be provided with a control circuit, a driving circuit, etc. of the remote controller 1000, and various electronic components may also be integrated on the first circuit board 300 and the second circuit board 400. For example, a control chip, a capacitor, an inductor, a transistor, and the like are controlled so that the remote controller 1000 can implement a predetermined function.

Please refer to FIGS. 4 to 6. The heat dissipation component 100 includes a heat sink 10 and a fan 20. The heat generated during the operation of the first circuit board 300 and the second circuit board 400 can be transmitted to the heat dissipation assembly 100, the fan 20 operates to establish an airflow, and the airflow quickly brings the heat on the radiator 10 out of the receiving cavity 201.

In the embodiment of the present invention, the heat sink 10 includes a first heat conducting portion 11, a second heat conducting portion 14, at least one heat dissipation fin 12, and a connection plate 15. The heat sink 10 may be made of a material with better thermal conductivity such as aluminum alloy. The first heat conducting part 11, the heat dissipation fin 12, the second heat conducting part 14, and the connection plate 15 may be integrally formed, or may be assembled after being manufactured separately. forming.

The first heat conducting portion 11 can be used to conduct heat on the first circuit board 300. Specifically, in the embodiment of the present invention, the first heat conducting portion 11 is in a flat plate shape as a whole. The first heat conducting portion 11 includes a first surface 111 and a second surface 112 opposite to each other. The first surface 111 may be substantially the same as the second surface 112. parallel. The first surface 111 is configured to be attached to the first circuit board 300 to increase the heat conduction area between the first circuit board 300 and the first heat conducting portion 11 and quickly transfer the heat generated by the operation of the first circuit board 300 to the first heat conducting portion. 11 on. It can be understood that the number of the first circuit boards 300 attached to the first surface 111 may be one or more, and the plurality of first circuit boards 300 may be arranged side by side so that each of the first circuit boards 300 and The first surface 111 is bonded.

The second heat conducting portion 14 is connected to the first heat conducting portion 11, and the second heat conducting portion 14 can be used to conduct heat on the second circuit board 400. Specifically, in the embodiment of the present invention, the second heat conducting portion 14 has a flat plate shape as a whole, and the extending direction of the second heat conducting portion 14 and the first heat conducting portion 11 is substantially the same. A third surface 141 is formed on the second heat conducting portion 14, the third surface 141 and the first surface 111, and the third surface 141 and the second surface 112 may be parallel or non-parallel. The third surface 141 is adapted to be attached to the second circuit board 400 to increase the heat conduction area of the second circuit board 400 and the second heat conducting portion 14 and quickly transfer the heat generated by the operation of the second circuit board 400 to the second heat conducting portion. 14 on. It can be understood that the number of the second circuit boards 400 attached to the third surface 141 may be one or more, and the plurality of second circuit boards 400 may be arranged side by side so that each third circuit board is connected to the first circuit board 400. Three sides 141 fit. It can be understood that, because the second heat conducting portion 14 is connected to the first heat conducting portion 11, the heat on the second heat conducting portion 14 is transferred to the first heat conducting portion 11 by a heat transfer method.

The number of heat dissipation fins 12 is at least one. The heat dissipation fins 12 are formed on the second surface 112. The heat dissipation fins 12 may be in a thin sheet shape, so that the heat dissipation fins 12 have a larger contact area with the air, which is beneficial to the heat dissipation fins. Quick heat exchange between 12 and air. At least one heat dissipation fin 12 forms a heat dissipation air duct 121. Specifically, when the number of the heat dissipation fins 12 is one, the heat dissipation fins 12 may be used to limit at least one side of the heat dissipation fins 121, or the heat dissipation fins 12 surround to form the heat dissipation fins 121; When there are a plurality of heat radiation fins 12, the heat radiation air duct 121 may be formed between each two adjacent heat radiation fins 12. In the embodiment of the present invention, the number of the heat dissipation fins 12 is taken as an example for description. The extension directions of the plurality of heat dissipation fins 12 may be the same, so that the plurality of heat dissipation air ducts 121 have the same extension direction.

After the heat generated by the first circuit board 300 is transferred to the first heat conducting portion 11, it will be further transferred to the heat dissipation fins 12. At the same time, after the heat generated by the second circuit board 400 is transferred to the second heat conduction portion 14, It is transmitted to the first heat-conducting portion 11, and further transmitted to the heat-dissipating fin 12. Therefore, the heat generated by the first circuit board 300 and the second circuit board 400 will eventually be transferred to the heat dissipation fins 12 and dissipated into the air in the heat dissipation air duct 121 through the heat dissipation fins 12. The outlet of the cooling air duct 121 can be aligned and set close to the air outlet 203. The air flow through the cooling air duct 121 can be established to drive the air flow in the cooling air duct 121 and finally flow out of the receiving chamber 201 from the air outlet 203. In this process The blown air can take away the heat accumulated in the heat dissipation duct 121 to achieve the purpose of dissipating heat to the remote control 1000.

The connecting plate 15 connects the first heat conducting portion 11 and the second heat conducting portion 14. Specifically, the connecting plate 15 connects one end portion of the first heat conducting portion 11 and one end portion of the second heat conducting portion 14. More specifically, the connecting plate 15 connects the end face of the first heat conducting portion 11 near the second heat conducting portion 14. And an end portion of the second heat conducting portion 14 near the first heat conducting portion 11. Further, the extension direction of the connection plate 15 may be different from the extension direction of the first heat conduction portion 11 and the second heat conduction portion 14, for example, the connection plate 15 and the first heat conduction portion 11 and the second heat conduction portion 14 are at right angles or acute angles so that There is a height difference between the first heat conducting portion 11 and the second heat conducting portion 14. In the embodiment of the present invention, the sides of the first heat conducting portion 11, the connecting plate 15, and the second heat conducting portion 14 are in a “Z” shape as a whole. Department 11.

Please refer to FIGS. 5 to 7. Further, the first surface 111 and the connecting plate 15 form a first accommodating space 16. The first accommodating space 16 can be used for accommodating the first circuit board 300, that is, the first circuit While the board 300 is attached to the first surface 111, the first circuit board 300 is accommodated in the first accommodation space 16. The third surface 141 and the connecting plate 15 form a second accommodating space 17. The second accommodating space 17 can be used for accommodating the second circuit board 400, that is, the second circuit board 400 is bonded to the third surface 141 at the same time. The second circuit board 400 is accommodated in the second accommodation space 17. In the embodiment of the present invention, the first accommodating space 16 and the second accommodating space 17 are on both sides of the connection plate 15, and the heights of the first accommodating space 16 and the second accommodating space 17 are substantially the same, so that when the first When a circuit board 300 is accommodated in the first accommodation space 16, the first circuit board 300 is substantially flush with the second heat-conducting portion 14. When the second circuit board 400 is accommodated in the second accommodation space 17, the first The two circuit boards 400 are substantially flush with the first heat conducting portion 11, so that when the first circuit board 300 and the second circuit board 400 are matched with the heat sink 10, the overall structure is more compact.

Of course, in other embodiments, the connecting plate 15 may be omitted, and the first heat conducting portion 11 and the second heat conducting portion 14 may be directly connected; or the specific shape of the connecting plate 15 may be in other ways, such as the extending direction of the connecting plate 15 Consistent with the first heat-conducting part 11 and the second heat-conducting part 14 and the like, there is no limitation here.

Please refer to FIG. 3 and FIG. 4. The fan 20 is installed on the radiator 10. The fan 20 is used to establish the airflow through the heat dissipation duct 121 to be transmitted from the second heat conducting portion 14 and the first heat conducting portion 11 to the heat dissipation fin 12. Of heat. The fan 20 includes a bracket 22 and a fan 21.

The bracket 22 is mounted on the heat sink 10. Specifically, the bracket 22 may be detachably mounted on the first heat conducting portion 11. More specifically, the bracket 22 may be detachably mounted on the first heat conducting portion 11 near the second heat conducting portion. On one end of the portion 14. In the embodiment of the present invention, referring to FIGS. 11 and 12, the bracket 22 includes a connecting lug 225, and a fixing hole 2251 is defined in the connecting lug 225. The heat sink 10 includes a fixing post 18, which is formed on the first heat conducting portion 11, and a fixing hole 181 is formed on the fixing post 18. Through the fastener 600, such as a screw, pass through the fixing hole 2251 on the connecting lug 225 and the fixing hole 181 on the fixing post 18 to connect the fixing post 18 and the connecting lug 225, and thereby mount the bracket 22 on the first On a heat conducting portion 11. The bracket 22 is detachably connected to the first heat-conducting portion 11 to facilitate replacement of different brackets 22 or to remove the bracket 22 for further maintenance or replacement of other functional modules of the remote controller 1000. Of course, in other embodiments, the bracket 22 may also be mounted on the second heat conducting portion 14 or the second circuit board 400, etc .; the detachable connection between the bracket 22 and the first heat conducting portion 11 may be other specific ways. For example, the bracket 22 is connected to the first heat-conducting portion 11 by engaging, which is not limited herein.

Please refer to FIGS. 7 to 10. The fan 21 is mounted on the bracket 22. The fan 21 is used to establish the airflow through the heat dissipation air duct 121. In the embodiment of the present invention, after the fan 21 is mounted on the bracket 22, the position of the fan 21 corresponds to the position of the second heat conducting portion 14, and an accommodating space is formed between the second heat conducting portion 14 and the fan 21. The accommodating space may be It is the second accommodating space 17 described above, and the second circuit board 400 can be accommodated in the accommodating space. The fan 21 is formed with an air inlet 211 and an air outlet 212. The air inlet 211 may be communicated with the accommodating space, and the air inlet 211 may be opened toward the second circuit board 400, so that when air enters the air inlet 211, part of the heat emitted from the second circuit board 400 is taken away. It can be understood that the position of the air inlet 211 is only an exemplary description, and is not limited herein.

When the fan 21 is mounted on the radiator 10 through the bracket 22, the mounting plane of the fan 21 and the plane on which the cooling air duct 121 is located (that is, the second surface 112) are substantially flush with each other. The extension direction is the same. Or, at the air outlet 212, the flow direction of the air flow established by the fan 21 is consistent with the extension direction of the cooling air duct 121, so as to reduce the loss of the air flow in the cooling air duct 121 and allow the heat to pass through at a faster speed. The air duct 121 improves the heat radiation efficiency of the heat radiation component 100. Further, in the embodiment of the present invention, the air outlet 212 of the fan 21 is connected to the heat dissipation air duct 121, so that the airflow flowing from the air outlet 212 directly enters the heat dissipation air duct 121, reducing leakage to the outside of the heat dissipation air duct 121. The amount of air to further improve the heat dissipation efficiency of the heat dissipation assembly 100.

In the embodiments shown in FIGS. 1 to 4, when the heat dissipation assembly 100 is installed in the receiving cavity 201 of the housing 200, the first heat conducting portion 11 is close to the top of the remote control 1000 and the second heat conducting portion 14 is close to the remote control 1000. bottom of. The first surface 111 is closer to the front surface 2041 of the main body 204 than the second surface 112, and the second surface 112 is closer to the back surface 2042 of the main body 204 than the first surface 111. When the first circuit board 300 and the second circuit board 400 are attached to the heat sink 10, the first circuit board 300 is located between the first heat conducting portion 11 and the front surface 2041, and the second circuit board 400 and the fan 20 are located at the second Between the heat conducting portion 14 and the back surface 2042. The positions of the cover 205 and the fan 21, and the cover 205 and the second circuit board 400 are all aligned.

In summary, in the remote control 1000 according to the embodiment of the present invention, one radiator 10 can be attached to the first circuit board 300 and the second circuit board 400 of the remote control 1000 at the same time, and the first circuit board is made by using the airflow generated by the fan 20. The heat generated on the 300 and the second circuit board 400 is dissipated through the heat dissipation duct 121. A heat dissipation component 100 can make the remote control 1000 have better heat dissipation performance, and it is convenient to arrange the heat dissipation component 100 in the remote control 1000, saving Space inside the remote control 1000.

In addition, since the fan 21 is mounted on the radiator 10 through the bracket 22, by selecting an appropriate bracket 22, the installation plane of the fan 21 and the plane on which the cooling air duct 121 is located can be substantially flush with each other, and the direction of the fan 21's airflow and heat dissipation The extending direction of the air duct 121 is the same. When the airflow established by the fan 21 enters the heat dissipation air duct 121, there is less leakage and the airflow loses less in the heat dissipation air duct 121. The heat dissipation efficiency of the heat dissipation component 100 is higher.

Please refer to FIG. 4 and FIG. 5. In some embodiments, the heat sink 10 further includes at least one auxiliary fin 13. The at least one auxiliary fin 13 is formed on the first heat conducting portion 11, and the at least one auxiliary fin 13 is at least distributed. On one side of the heat dissipation fins 12. Specifically, the sub-fins 13 are formed on the second surface 112. The number of the sub-fins 13 may be one or more. The sub-fins 13 may be disposed around the heat-dissipating fins 12. The extending direction of the sub-fins 13 may be the same as that of the sub-fins 13. The heat dissipation fins 12 are the same or different. When the number of the sub-fins 13 is multiple, the plurality of sub-fins 13 are distributed at least on both sides of the heat-dissipating fins 12, and the plurality of sub-fins 13 are arranged at intervals to increase the heat-dissipating area of the sub-fins 13. Part of the heat transferred to the first heat conducting portion 11 can be transferred to the sub fins 13, and the sub fins 13 further perform heat exchange with the air to dissipate the heat. Further, when the remote controller 1000 is provided with a circuit board other than the first circuit board 300 and the second circuit board 400, the sub fins 13 may be disposed near the circuit board to facilitate heat exchange with the air and The heat is released.

Please refer to FIG. 5 and FIG. 7. In some embodiments, the heat sink 10 further includes a heat conducting tube 19, and the heat conducting tube 19 is disposed on the first heat conducting portion 11 and the second heat conducting portion 14. The heat conducting tube 19 may be made of a material with good thermal conductivity such as aluminum alloy. The heat conducting tube 19 is disposed on the first heat conducting portion 11 and the second heat conducting portion 14. The heat conducting tube 19 may be used to heat the second heat conducting portion 14. The heat is transferred to the first heat-conducting portion 11 or used to transfer heat from the first heat-conducting portion 11 to the second heat-conducting portion 14. In the embodiment of the present invention, when the sides of the first heat conducting portion 11, the connecting plate 15, and the second heat conducting portion 14 are in a “Z” shape as a whole, the heat pipe 19 is also in a “Z” shape as a whole. 19 is attached to the first heat conducting portion 11, the connection plate 15, and the second heat conducting portion 14, respectively.

Please refer to FIGS. 1 and 2. In some embodiments, the cover 205 is detachably mounted on the main body 204. The fan 20 and the second circuit board 400 are located between the second heat conducting portion 14 and the cover 205. 205 is removed from the main body 204 to expose the fan 20 and / or the second circuit board 400. Specifically, the cover 205 may be detachably mounted on the main body 204 by a locking member 700. The locking member 700 may be, for example, a screw. In other embodiments, the cover 205 may also be detachably connected by means of snapping or the like. There is no limitation on the main body 204. It can be understood that the fan 20 and the second circuit board 400 are both located between the second heat conducting portion 14 and the cover 205. The size of the cover 205 is larger than the size of the fan 21 and / or the second circuit board 400, so that the cover After removing 205, the user can see the fan 20 and / or the second circuit board 400. For example, the user can see the fan 20 alone, the second circuit board 400 alone, and the fan 20 and the second circuit board 400 at the same time. . Further, the user can check the use status of the fan 20 or the second circuit board 400 at this time, or repair, disassemble or replace the fan 20 and the second circuit board 400. Of course, the size of the cover 205 may also be equal to or smaller than the size of the cover 205 which is larger than the size of the fan 21 and / or the second circuit board 400, as long as the user can see the fan 20 and / or after removing the cover 205 The second circuit board 400 may perform corresponding operations, which is not limited herein.

Please refer to FIGS. 1 and 2. In some embodiments, the second circuit board 400 is disposed between the second heat conducting portion 14 and the fan 20. The fan 20 is detachably mounted on the first heat conducting portion 11. The second circuit board 400 is detachably mounted on the second heat conducting portion 14. Specifically, for a manner in which the fan 20 is detachably mounted on the first heat conducting portion 11, reference may be made to the foregoing description, and details are not described herein again. The second circuit board 400 may be detachably mounted on the second through screwing or snapping. On the heat conducting portion 14. After removing the cover 205, the user may first remove the fan 20 to maintain or replace components such as the fan 21 or the bracket 22 in the fan 20. After removing the fan 20, the user can also remove the second circuit board 400 to maintain or replace the circuits and electronic components in the second circuit board 400, or directly replace the second circuit board 400. When the user needs to maintain or replace the fan 20 or the second circuit board 400, the user does not need to remove or disassemble the entire casing 200, and only needs to remove the cover 205, which is convenient and quick.

Please refer to FIGS. 10 to 13. In some embodiments, the bracket 22 includes a supporting portion 221 and a clamping portion 222. The supporting portion 221 is connected to the clamping portion 222. The support portion 221 extends in a direction away from the first heat conducting portion 11, and the support portion 221 is configured to carry the fan 21. The clamping portion 222 has an installation space 223. At least a part of the fan 21 is installed in the installation space 223, so that the direction of the air output from the fan 21 is consistent with the extending direction of the heat dissipation air duct 121.

In the embodiment of the present invention, the supporting portion 221 is substantially flat so that the fan 21 is relatively stable when it is carried on the supporting portion 221. When the bracket 22 is installed on the first heat conducting portion 11 and the fan 21 is carried on the supporting portion 221, The support portion 221 may be substantially flush with the first heat-conducting portion 11, and a direction in which the fan 21 emits air is consistent with an extending direction of the heat dissipation air duct 121. The support portion 221 may further be provided with an escape hole 2211, which can be aligned with the air inlet 211 of the fan 21, so as to prevent the support portion 221 from affecting the air inlet effect of the fan 21. After the clamping portion 222 and the supporting portion 221 are connected, the two can be generally hollow frame-shaped. The hollow portion is the installation space 223. The installation space 223 communicates with the cooling air duct 121. While the fan 21 is carried on the supporting portion 221, At least partly extends into the installation space 223 and communicates the air outlet 212 with the heat dissipation air duct 121. It can be understood that the support portion 221 and the clamping portion 222 in the bracket 22 in this embodiment are merely illustrative, and the connection relationship between the bracket 22 and the first heat conducting portion 11 and the fan 21 is not limited to this, as long as the output of the fan 21 is ensured The wind direction may be consistent with the extending direction of the heat dissipation air duct 121, and is not limited herein.

Please refer to FIGS. 7 and 8. In some embodiments, the first end 122 of the at least one heat dissipation fin 12 is connected to the first heat conducting portion 11. The heat dissipation assembly 100 further includes a wind shield 40 covering the second end 123 of the at least one heat dissipation fin 12, wherein the second end 123 is opposite to the first end 122. The windshield 40 is partially accommodated in the installation space 223 so that air is transmitted along the heat dissipation air passage 121.

The first end 122 of the heat radiating fin 12 is the end where the heat radiating fin 12 is connected to the first heat conducting portion 11, and the second end 123 is the end of the heat radiating fin 12 away from the first heat conducting portion 11. It is formed between the first end 122 and the second end 123. It can be understood that the left and right sides of the heat dissipation air duct 121 are closed by two adjacent heat dissipation fins 12, and the upper and lower sides of the heat dissipation air duct 121 can be closed by the first heat conducting portion 11 and the wind blocking member 40, respectively. The air can only enter from the inlet of the cooling air duct 121 along the extending direction of the cooling air duct 121 and exit from the outlet of the cooling air duct 121 without leakage, so as to increase the amount of air and the speed of the air passing through the cooling air duct 121 so that the airflow Quickly remove the heat from the heat dissipation fins 12. The windshield 40 is partially accommodated in the installation space 223, so that the windshield 40 can cover the heat dissipation fins 12 extending into the installation space 223.

Referring to FIGS. 3 and 4, in some embodiments, a positioning post 124 is formed on the second end 123 of the heat dissipation fin 12. A positioning hole 41 is formed in the windshield 40, and the position of the positioning hole 41 corresponds to the positioning post 124. When the windshield 40 covers the second end 123 of the at least one heat dissipation fin 12, the positioning post 124 passes through the positioning hole 41. The cooperation of the positioning hole 41 and the positioning post 124 makes it difficult for the windshield member 40 to move, and the windshield member 40 has a better effect of blocking the heat dissipation air passage 121. Specifically, the number of positioning posts 124 may be multiple, and the extension directions of the plurality of positioning posts 124 are the same. The number of positioning holes 41 may be the same as the number of positioning posts 124. Each positioning post 124 passes through the corresponding positioning hole 41. .

Referring to FIGS. 8 and 10, in some embodiments, the heat dissipation assembly 100 further includes a seal 30. The seal 30 is fixed between the clamping portion 222 and the windshield 40 to seal the gap between the clamping portion 222 and the windshield 40; and / or the seal 30 is fixed between the clamping portion 222 and the fan 21 For sealing a gap between the clamping portion 222 and the fan 21. In the embodiment of the present invention, the sealing member 30 is fixed between the clamping portion 222 and the windshield 40, and between the clamping portion 222 and the fan 21. Specifically, the sealing member 30 may be adhered to the clamping portion 222 by glue, and the sealing member 30 may be at least partially accommodated in the installation space 223. In one embodiment, the sealing member 30 may be foam or the like, and the sealing member 30 is susceptible to elastic deformation under the action of compression. The sealing member 30 is fixed between the clamping portion 222 and the windshield 40, and can prevent the air flow from leaking out from the gap between the clamping portion 222 and the windshield 40. The sealing member 30 is fixed between the clamping portion 222 and the fan 21, and can prevent airflow from leaking out from the gap between the clamping portion 222 and the fan 21. It is ensured that all the air flowing out from the air outlet 212 of the fan 21 can enter the cooling air duct 121.

During the assembly process, the sealing member 30 can be fixed on the clamping portion 222, and then the fan 21 can be carried on the bearing portion and the end of the air outlet 212 can be installed in the installation space 223. When the pressure is applied, the seal member 30 is elastically deformed and seals the gap between the clamping portion 222 and the fan 21. At the same time, the windshield 40 can be fixed on the second end 123 of the heat dissipation fin 12. The bracket 22 is then mounted on the first heat-conducting portion 11. At this time, the seal 30 is pressed by the windshield 40 and elastically deformed, and the seal 30 seals the gap between the clamping portion 222 and the windshield 40.

Referring to FIGS. 11 and 13, in some embodiments, the bracket 22 further includes a positioning protrusion 224. The positioning protrusion 224 protrudes from the clamping portion 222 into the installation space 223. The positioning protrusion 224 is in contact with the end of the fan 21 near the radiator 10 to position the installation position of the fan 21. Specifically, in the process of installing the fan 21 on the bracket 22, the fan 21 may be first placed on the support portion 221, and then one end of the fan 21 may be pushed into the installation space 223 until the fan 21 and the positioning protrusion 224 interfere with each other. At this time, it means that the fan 21 has been installed in place. The number of the positioning protrusions 224 may be multiple or single, and the shape of the positioning protrusions 224 may be a rectangular parallelepiped or a cylinder, and the like is not limited herein. In the embodiment of the present invention, the number of the positioning protrusions 224 is two.

Please refer to FIG. 10 and FIG. 11. In some embodiments, a positioning gap 31 is defined on the sealing member 30. The positioning gap 31 corresponds to the position of the positioning protrusion 224, and the positioning protrusion 224 passes through the positioning gap 31. The windshield 40 is formed with a positioning groove 42. When the bracket 22 is mounted on the radiator 10, at least a part of the sealing member 30 is located between the clamping portions 222, and the positioning protrusion 224 passes through the positioning notch 31 and the positioning groove 42. In the embodiment of the present invention, the number of the positioning protrusions 224 is two, and accordingly, the number of the positioning notches 31 and the positioning grooves 42 are also two.

By coordinating the positioning notch 31 with the positioning protrusion 224, when the sealing member 30 is fixed, it is easy to pinpoint the installation position of the sealing member 30 and avoid reverse installation. The positioning protrusion 224 passes through the positioning notch 31 and cooperates with the positioning groove 42 to prevent the windshield 40 from moving, so that the positional relationship between the windshield 40, the seal 30, and the clamping portion 222 is relatively stable and sealed. The effect is better.

In the description of this specification, reference is made to the terms "certain embodiments", "one embodiment", "some embodiments", "exemplary embodiments", "examples", "specific examples", or "some examples" The description means that a specific feature, structure, material, or characteristic described in combination with the implementation manner or example is included in at least one implementation manner or example of the embodiment of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same implementation or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more implementations or examples.

In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as “first” and “second” may explicitly or implicitly include at least one of the features. In the description of the embodiment of the present invention, the meaning of “a plurality” is at least two, for example, two or three, unless it is specifically and specifically defined otherwise.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limitations on the present invention. Those skilled in the art can interpret the above within the scope of the present invention. The embodiments are subject to change, modification, replacement, and modification, and the scope of the present invention is defined by the claims and their equivalents.

Claims

A heat dissipation component for a remote control is characterized in that the heat dissipation component includes:

A heat sink including a first heat conducting portion, a second heat conducting portion, and at least one heat radiating fin, the first heat conducting portion is connected to the second heat conducting portion, and a first surface of the first heat conducting portion is used for For bonding with the first circuit board of the remote controller, at least one of the heat dissipation fins is formed on a second surface of the first heat conducting portion opposite to the first surface, and at least one of the heat dissipation fins is formed A heat dissipation air duct, the third surface of the second heat conducting portion facing the heat dissipation fin is adapted to be attached to a second circuit board of the remote controller; and

A fan installed on the radiator and configured to establish an airflow through the heat dissipation air duct to dissipate heat transferred from the second heat conducting portion and the first heat conducting portion to the heat dissipation fins .
The heat dissipation assembly according to claim 1, wherein the heat sink further comprises a connection plate, and there is a height difference between the first heat conduction portion and the second heat conduction portion, and the connection plate is connected to the first heat conduction portion. A heat conducting portion and the second heat conducting portion.
The heat-dissipating component according to claim 2, wherein the connecting plate is connected to an end portion of the first heat-conducting portion close to the second heat-conducting portion, and the second heat-conducting portion is close to the first At the end of the heat conducting portion, the first surface and the connecting plate form a first accommodating space, the first accommodating space is used for accommodating the first circuit board, and the third surface is connected to the connection The board forms a second accommodating space, and the second accommodating space is used for accommodating the second circuit board.
The heat dissipation assembly according to claim 1, wherein the fan comprises a fan and a bracket, the bracket is detachably mounted on the first heat conducting portion, the fan is mounted on the bracket and the fan The air outlet of the fan is connected with the heat dissipation air duct.
The heat dissipation assembly according to claim 1, wherein the heat sink further comprises at least one sub fin formed on the first heat conducting portion, and at least one of the sub fins is distributed at least on the heat dissipation fin One side of the tablet.
The heat dissipation assembly according to claim 1, wherein the heat sink further comprises a heat conducting tube, and the heat conducting tube is disposed on the first heat conducting portion and the second heat conducting portion.
A remote control, comprising:

A casing, the casing forming a receiving cavity, and an air inlet and an air outlet communicating with the receiving cavity;

First circuit board

A second circuit board; and

The heat dissipation component, the first circuit board, the second circuit board, and the heat dissipation component are all contained in the containing cavity, and the airflow enters the containing cavity from the air inlet, and passes through the heat dissipation air. After the passage, the receiving chamber flows out from the air outlet, wherein the heat dissipation component includes:

A heat sink including a first heat conducting portion, a second heat conducting portion, and at least one heat radiating fin, the first heat conducting portion is connected to the second heat conducting portion, and a first surface of the first heat conducting portion is used for For bonding with the first circuit board of the remote controller, at least one of the heat dissipation fins is formed on a second surface of the first heat conducting portion opposite to the first surface, and at least one of the heat dissipation fins is formed A heat dissipation air duct, the third surface of the second heat conducting portion facing the heat dissipation fin is adapted to be attached to a second circuit board of the remote controller; and

A fan installed on the radiator and configured to establish an airflow through the heat dissipation air duct to dissipate heat transferred from the second heat conducting portion and the first heat conducting portion to the heat dissipation fins .
The remote controller according to claim 7, wherein the heat sink further comprises a connection plate, and there is a height difference between the first heat conduction portion and the second heat conduction portion, and the connection plate is connected to the first heat conduction portion. A heat conducting portion and the second heat conducting portion.
The remote controller according to claim 8, wherein the connecting plate is connected to an end portion of the first heat conducting portion near the second heat conducting portion, and the second heat conducting portion near the first heat conducting portion. At the end of the heat conducting portion, the first surface and the connecting plate form a first accommodating space, the first accommodating space is used for accommodating the first circuit board, and the third surface is connected to the connection The board forms a second accommodating space, and the second accommodating space is used for accommodating the second circuit board.
The remote controller according to claim 7, wherein the fan comprises a fan and a bracket, the bracket is detachably mounted on the first heat conducting portion, the fan is mounted on the bracket and the fan The air outlet of the fan is connected with the heat dissipation air duct.
The remote controller according to claim 7, wherein the heat sink further comprises at least one sub-fin formed on the first heat-conducting portion, and at least one of the sub-fins is distributed at least on the heat-dissipating fin One side of the tablet.
The remote controller according to claim 7, wherein the heat sink further comprises a heat conducting tube, and the heat conducting tube is disposed on the first heat conducting portion and the second heat conducting portion.
The remote controller according to claim 7, wherein the housing includes a main body and a cover, the cover is detachably mounted on the main body, and the fan and the second circuit board are located in the Between the second heat conducting portion and the cover, the cover and / or the second circuit board are exposed after the cover is removed from the main body.
The remote controller according to claim 13, wherein the second circuit board is disposed between the second heat conducting portion and the fan, and the fan is detachably mounted on the first heat conducting portion. The second circuit board is detachably mounted on the second heat conducting portion.
The remote controller according to claim 13 or 14, wherein the main body is formed with a front surface and a back surface opposite to each other, a remote control part of the remote controller is disposed on the front surface, and the cover is disposed on the rear surface. .
The remote controller according to claim 15, wherein the air inlet is formed on the cover body, the air outlet is formed on a side portion of the remote controller, and the side portion connects the front surface and the The back.
The remote controller according to claim 7, wherein the remote controller is used to control one or more of a drone, a gimbal, a camera, and a headset device.