Cooling device for electric control board of unmanned aerial vehicle

By using a cooling method combined with a return tube and a semiconductor refrigeration sheet in the drone electrical control board heat dissipation device, the problem of overheating of the control board is solved, and a more efficient heat dissipation effect is achieved, and rainwater is prevented from entering.

CN222322041UActive Publication Date: 2025-01-07深圳市海科技术有限公司
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Patent Information

Application Number
CN202420964738.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-07
Publication Date
2025-01-07
Estimated Expiration
2034-05-07

AI Technical Summary

Technical Problem

The existing drone electronic control board heat dissipation devices are difficult to effectively cool down when running at high load, resulting in the problem of overheating of the electrical control board.

Method used

The reflux tube is used to cool the heat absorbed by the thermal conduction plate, and the fan blades of the drone body are used to assist in heat dissipation treatment of the circulating liquid in the reflux tube. At the same time, semiconductor refrigeration sheet is introduced into the imaging equipment to speed up the cooling of the coolant and pass through the exhaust hole. Exhaust heat and prevent rainwater from entering.

Benefits of technology

It improves the cooling efficiency of the electric control board, enhances the heat dissipation effect, prevents rainwater from entering and saves resources.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222322041U_ABST
Patent Text Reader

Abstract

The utility model discloses a cooling device for an electric control board of an unmanned aerial vehicle, which belongs to the technical field of heat dissipation of unmanned aerial vehicles and comprises an unmanned aerial vehicle body, the electric control board is fixedly connected in the unmanned aerial vehicle body, and a camera device is fixedly connected to the lower end of the unmanned aerial vehicle body. A pair of backflow pipes is fixedly connected between the unmanned aerial vehicle body and the camera shooting device, a liquid conveying pump is fixedly connected between the backflow pipes, a heat conduction plate is embedded in the middle of the bottom end of the unmanned aerial vehicle body, located at the lower end of the electric control plate and connected with the pair of backflow pipes in an abutting mode, and a pair of semiconductor chilling plates is fixedly connected between the camera shooting device and the pair of backflow pipes. A pair of heat dissipation grooves are formed in the outer end of the camera equipment, the purpose of cooling the heat conducting plate by absorbing heat through the return pipe can be achieved, meanwhile, fan blades started by the unmanned aerial vehicle body are used for conducting auxiliary heat dissipation treatment on circulating liquid in the return pipe, the heat dissipation effect of the return pipe is improved, and therefore the cooling efficiency of the electric control board is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation of unmanned aerial vehicles, and more specifically, to a cooling device for an electric control panel of a unmanned aerial vehicle. Background Art

[0002] The drone electronic control board refers to the electronic control board or flight control system used to control the flight of the drone. It is one of the core components of the drone and is responsible for receiving data from sensors, executing flight control algorithms, and outputting corresponding control signals to adjust the drone's attitude, position, and movement.

[0003] China Patent Authorization Announcement No.: CN215453704U, provides a split heat dissipation device for UAV. This patent divides the heat dissipation device into two parts, inside and outside the cabin, and separates them using a mounting base. When the UAV is flying, the evaporator exchanges heat with the ram air forced air outside the cabin, and the cooled coolant is sent into the cabin for heat exchange to achieve the purpose of heat exchange. At the same time, this technical solution requires fewer parts and components, reduces the weight of the system, and improves the reliability of the device.

[0004] However, in the above patent, since the UAV electronic control board has many control programs and a heavy operating load, a lot of heat is generated. Heat dissipation only through heat exchange cannot effectively reduce the burden on the electronic control board. Utility Model Content

[0005] 1. Technical problems to be solved

[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide a cooling device for an unmanned aerial vehicle electronic control board, which can achieve the purpose of cooling the heat absorbed by the heat conduction plate through a return pipe, and at the same time use the fan blades started by the unmanned aerial vehicle body to perform auxiliary heat dissipation treatment on the circulating fluid in the return pipe, thereby improving the heat dissipation effect of the return pipe, thereby improving the cooling efficiency of the electronic control board.

[0007] 2. Technical solution

[0008] To solve the above problems, the utility model adopts the following technical solutions.

[0009] A cooling device for an electric control board of an unmanned aerial vehicle comprises an unmanned aerial vehicle body, an electric control board is fixedly connected inside the unmanned aerial vehicle body, a camera device is fixedly connected to the lower end of the unmanned aerial vehicle body, a pair of return pipes are fixedly connected between the unmanned aerial vehicle body and the camera device, an infusion pump is fixedly connected in the middle of the return pipe, a heat conducting plate is embedded in the middle of the bottom end of the unmanned aerial vehicle body, and the heat conducting plate is located at the lower end of the electric control board, the heat conducting plate is abutted against a pair of return pipes, and the heat is absorbed by the heat conducting plate through the return pipe for cooling, and at the same time, the fan blades started by the unmanned aerial vehicle body are used to perform auxiliary heat dissipation treatment on the circulating fluid in the return pipe, thereby improving the heat dissipation effect of the return pipe, thereby improving the cooling efficiency of the electric control board.

[0010] Furthermore, a pair of semiconductor refrigeration plates are fixedly connected between the camera device and a pair of return pipes. A pair of heat dissipation grooves are opened at the outer end of the camera device, and the semiconductor refrigeration plates are located in the heat dissipation grooves. The semiconductor refrigeration plates are used to accelerate the cooling of the circulating water in the return pipes, thereby improving the heat dissipation effect of the heat conduction plate and the cooling efficiency of the electronic control board, and the heat dissipation grooves provide heat dissipation channels for the semiconductor refrigeration plates.

[0011] Furthermore, a top cover is fixedly connected to the upper end of the drone body, and a plurality of exhaust holes are opened in the top cover, and the exhaust holes are connected to the drone body. The heat generated by the electronic control board and other components can be discharged through the exhaust holes, thereby improving the permeability inside the drone body.

[0012] Furthermore, the multiple exhaust holes are all inclined at one end away from each other. The inclined arrangement can effectively prevent rainwater from flowing into the drone body.

[0013] Furthermore, a photovoltaic panel is fixedly connected to the upper end of the top cover plate, and light energy can be converted into part of electrical energy through the photovoltaic panel, thereby achieving the purpose of saving resources.

[0014] Furthermore, the heat dissipation slot and the inner wall of the opening end of the exhaust hole are both fixedly connected with a dustproof net, which can play a dustproof role and effectively reduce dust or debris from entering the hole slot.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the advantages of the present invention are:

[0017] (1) This solution can achieve the purpose of cooling the heat absorbed by the heat conduction plate through the return pipe, and at the same time use the fan blades started by the drone body to assist in the heat dissipation of the circulating fluid in the return pipe, thereby improving the heat dissipation effect of the return pipe and thus improving the cooling efficiency of the electronic control board.

[0018] (2) In this solution, a pair of semiconductor cooling plates are fixedly connected between the camera device and a pair of return pipes. A pair of heat dissipation grooves are opened at the outer end of the camera device, and the semiconductor cooling plates are located in the heat dissipation grooves. The semiconductor cooling plates are used to accelerate the cooling of the circulating water in the return pipes, thereby improving the heat dissipation effect of the heat conduction plate and the cooling efficiency of the electronic control board. The heat dissipation grooves provide heat dissipation channels for the semiconductor cooling plates.

[0019] (3) In this solution, a top cover is fixedly connected to the upper end of the drone body. A plurality of exhaust holes are opened in the top cover, and the exhaust holes are connected to the drone body. The heat generated by the electronic control board and other components can be discharged through the exhaust holes, thereby improving the permeability of the drone body.

[0020] (4) In this solution, the multiple exhaust holes are inclined at one end away from each other. The inclined setting can effectively prevent rainwater from flowing into the drone body.

[0021] (5) In this solution, a photovoltaic panel is fixedly connected to the upper end of the top cover plate, and the photovoltaic panel can convert part of the light energy into electrical energy, thereby achieving the purpose of saving resources.

[0022] (6) In this solution, the inner walls of the heat dissipation groove and the opening end of the exhaust hole are fixedly connected with a dustproof net, which can play a dust-proof role and effectively reduce dust or debris from entering the hole groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the structure of the front section of the main body of the drone in the utility model;

[0025] Figure 3 It is a schematic diagram of the structure of the top cross-section of the return pipe in the utility model.

[0026] Description of the numbers in the figure:

[0027] 1. Drone body; 2. Electric control board; 3. Camera equipment; 4. Reflux pipe; 5. Infusion pump; 6. Heat conduction plate; 7. Semiconductor cooling plate; 8. Heat sink; 9. Top cover; 10. Exhaust hole; 11. Photovoltaic panel; 12. Dust net. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0029] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0030] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" 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 the present utility model can be understood according to specific circumstances.

[0031] Embodiment 1:

[0032] See also Figure 1-3 A cooling device for an electric control board of an unmanned aerial vehicle comprises an unmanned aerial vehicle body 1, an electric control board 2 is fixedly connected inside the unmanned aerial vehicle body 1, a camera device 3 is fixedly connected to the lower end of the unmanned aerial vehicle body 1, a pair of return pipes 4 are fixedly connected between the unmanned aerial vehicle body 1 and the camera device 3, an infusion pump 5 is fixedly connected in the middle of the return pipe 4, a heat conducting plate 6 is inlaid in the middle of the bottom end of the unmanned aerial vehicle body 1, and the heat conducting plate 6 is located at the lower end of the electric control board 2, the heat conducting plate 6 is abutted against the pair of return pipes 4, the heat conducting plate 6 absorbs heat through the return pipe 4 to cool down, and at the same time, the fan blades started by the unmanned aerial vehicle body 1 are used to perform auxiliary heat dissipation treatment on the circulating liquid in the return pipe 4, so as to improve the heat dissipation effect of the return pipe 4, thereby improving the cooling efficiency of the electric control board 2.

[0033] A pair of semiconductor cooling sheets 7 are fixedly connected between the camera device 3 and a pair of return pipes 4. A pair of heat dissipation grooves 8 are opened at the outer end of the camera device 3, and the semiconductor cooling sheets 7 are located in the heat dissipation grooves 8. The semiconductor cooling sheets 7 are used to accelerate the cooling of the circulating water in the return pipes 4, thereby improving the heat dissipation effect of the heat conduction plate 6 and the cooling efficiency of the electronic control board 2. The heat dissipation grooves 8 provide heat dissipation channels for the semiconductor cooling sheets 7.

[0034] A top cover plate 9 is fixedly connected to the upper end of the drone body 1. A plurality of exhaust holes 10 are provided in the top cover plate 9. The exhaust holes 10 are communicated with the drone body 1. The heat generated by the electric control board 2 and other components can be discharged through the exhaust holes 10, thereby improving the permeability inside the drone body 1.

[0035] The multiple exhaust holes 10 are all inclined at one end away from each other. The inclined arrangement can effectively prevent rainwater from flowing into the drone body 1.

[0036] A photovoltaic panel 11 is fixedly connected to the upper end of the top cover plate 9 , and the photovoltaic panel 11 can convert light energy into part of electrical energy, thereby achieving the purpose of saving resources.

[0037] The inner walls of the opening ends of the heat dissipation slot 8 and the exhaust hole 10 are fixedly connected with a dustproof net 12, which can play a dustproof role and effectively reduce dust or debris from entering the hole slot.

[0038] When using, please refer to Figure 1-3 The circulation of the coolant in the reflux pipe 4 is controlled by the infusion pump 5, and the coolant is cooled under the air cooling of the semiconductor refrigeration sheet 7 and the fan blades, so that the coolant cools the heat conducting plate 6 that absorbs the heat of the electric control board 2. The heat emitted by the semiconductor refrigeration sheet 7 can be used to heat the lens of the camera device 3 to prevent the lens from fogging due to temperature difference and affecting the shooting of the drone. Compared with the traditional cooling device for the electric control board of the drone, the utility model can achieve the purpose of cooling the heat absorbed by the heat conducting plate 6 through the reflux pipe 4, and at the same time, the fan blades started by the drone body 1 are used to perform auxiliary heat dissipation treatment on the circulating liquid in the reflux pipe 4, thereby improving the heat dissipation effect of the reflux pipe 4, thereby improving the cooling efficiency of the electric control board 2.

[0039] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A cooling device for an electric control panel of an unmanned aerial vehicle, comprising an unmanned aerial vehicle body (1), characterized in that: An electric control board (2) is fixedly connected inside the drone body (1), a camera device (3) is fixedly connected to the lower end of the drone body (1), a pair of return pipes (4) are fixedly connected between the drone body (1) and the camera device (3), an infusion pump (5) is fixedly connected in the middle of the return pipe (4), a heat conduction plate (6) is embedded in the middle of the bottom end of the drone body (1), and the heat conduction plate (6) is located at the lower end of the electric control board (2), and the heat conduction plate (6) is in contact with the pair of return pipes (4).

2. The cooling device for the UAV electric control panel according to claim 1, characterized in that: A pair of semiconductor cooling sheets (7) are fixedly connected between the camera device (3) and the pair of return pipes (4); a pair of heat dissipation grooves (8) are provided at the outer end of the camera device (3), and the semiconductor cooling sheets (7) are located in the heat dissipation grooves (8).

3. The cooling device for the UAV electric control panel according to claim 1, characterized in that: A top cover plate (9) is fixedly connected to the upper end of the drone body (1), a plurality of exhaust holes (10) are provided in the top cover plate (9), and the exhaust holes (10) are in communication with the drone body (1).

4. The cooling device for the UAV electric control panel according to claim 3 is characterized in that: The plurality of exhaust holes (10) are all inclined and away from one end thereof.

5. The cooling device for the UAV electric control panel according to claim 3 is characterized in that: A photovoltaic panel (11) is fixedly connected to the upper end of the top cover plate (9).

6. The cooling device for the UAV electric control panel according to claim 2, characterized in that: The heat dissipation groove (8) and the inner wall of the opening end of the exhaust hole (10) are both fixedly connected with a dustproof net (12).

Citation Information

Patent Citations

  • Split heat dissipation device for unmanned aerial vehicle

    CN215453704U