WO2020114525A1 - 无人机航电结构及无人机 - Google Patents

无人机航电结构及无人机 Download PDF

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Publication number
WO2020114525A1
WO2020114525A1 PCT/CN2020/072607 CN2020072607W WO2020114525A1 WO 2020114525 A1 WO2020114525 A1 WO 2020114525A1 CN 2020072607 W CN2020072607 W CN 2020072607W WO 2020114525 A1 WO2020114525 A1 WO 2020114525A1
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WIPO (PCT)
Prior art keywords
shell
avionics
waterproof rubber
drone
structure according
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PCT/CN2020/072607
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English (en)
French (fr)
Inventor
张宝燕
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顺丰科技有限公司
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Publication of WO2020114525A1 publication Critical patent/WO2020114525A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D47/00—Equipment not otherwise provided for
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/06—Hermetically-sealed casings

Definitions

  • the utility model relates to the field of drone avionics equipment, in particular to a drone avionics structure and a drone.
  • Unmanned aircraft is referred to as “unmanned aerial vehicle”, abbreviated as “UAV”. It is an unmanned aircraft operated by radio remote control equipment and its own program control device. UAVs can carry a variety of loads to complete various complex tasks, specifically in photography, pesticide spraying, waterproof disaster relief, communications, public security and anti-terrorism, anti-smuggling and anti-smuggling, logistics and transportation in various fields.
  • the object of the present invention is to provide a drone avionics structure and a drone to solve the problem of weak protection capability of the avionics system.
  • the utility model provides an unmanned aerial vehicle avionics structure, which includes a conductor housing and a central avionic unit.
  • the central avionic unit is fixedly disposed in the conductor housing, and the central avionic unit includes the I/ The O board and the I/O board are electrically connected to the IMU sensor.
  • the conductor shell is an aluminum alloy shell or a magnesium alloy shell.
  • the conductor shell includes an upper shell and a lower shell, and the upper shell and the lower shell are sealed by a waterproof rubber ring.
  • central avionics unit is directly installed in the lower case, and the ground wire of the I/O board is connected to the lower case.
  • the waterproof rubber ring includes a port waterproof rubber ring and a waterproof rubber ring on the upper and lower shells, the side walls of the upper shell and the lower shell buckle are provided with a first groove, and the port waterproof rubber ring is stuck in the first groove; A second groove is provided on the end surface of the buckle and the lower shell, and the upper and lower shell waterproof rubber rings are caught in the second groove.
  • the number of port waterproof rubber rings is the same as the number of the first grooves.
  • the components that need to be dissipated in the drone avionics structure are in direct thermal contact with the upper casing.
  • the present invention provides a drone, including the above-mentioned drone avionics structure.
  • the utility model of a drone avionics structure includes a conductor shell and a central avionic unit, wherein the conductor shell is a shell made of conductive material.
  • the central avionics unit is fixed in the conductor shell.
  • the central avionics unit includes the I/O board of the communication hub of the whole machine.
  • the I/O board is electrically connected to the IMU sensor, which not only allows the IMU sensor of the drone and the communication hub of the whole machine
  • the I/O board resists a certain strong electromagnetic interference, and can also resist a certain intensity of rain and sand interference, which improves the protection ability and environmental adaptability of the drone.
  • FIG. 1 is a schematic structural diagram of a drone avionic structure according to an embodiment of the present invention.
  • an embodiment of the present invention provides a drone avionics structure, which includes a conductor housing and a central avionic unit.
  • the central avionic unit is fixedly disposed in the conductor housing, and the central avionic unit includes a communication hub
  • the I/O board 6 is electrically connected to the IMU sensor 5.
  • IMU Inertial Measurement Unit
  • IMU Inertial Measurement Unit
  • the IMU is a device that measures the three-axis attitude angle (or angular velocity) and acceleration of an object; the attitude data measured by the IMU can be used to accurately adjust the attitude displacement.
  • the unmanned aerial vehicle avionics structure of the utility model integrates the IMU sensor 5 and the I/O board 6 of the communication hub of the whole machine into a unit, namely the central avionics unit, and fixes the central avionics unit in the conductor shell, the conductor
  • the housing has an electromagnetic shielding effect on the IMU sensor 5 and the I/O board 6 and other components of the communication hub of the whole machine, which can improve the stability and safety of the system, and can resist the interference of rain and sand, which improves the drone's Protection ability and environmental adaptability.
  • the conductor shell adopts a better heat-conducting material, such as an aluminum alloy shell or a magnesium alloy shell, which can well export the heat generated by the components inside the shell to improve the stability and safety of the system.
  • the conductor shell includes an upper shell 2 and a lower shell 7.
  • the upper shell 2 and the lower shell 7 are buckled with each other.
  • the upper shell 2 and the lower shell 7 are sealed by a waterproof rubber ring. After the upper shell 2 and the lower shell 7 are installed, the entire central avionics can be installed The unit provides better protection.
  • the central avionics unit is directly installed in the lower case 7, and the ground wire of the I/O board 6 is connected to the lower case 7.
  • the waterproof rubber ring includes the port waterproof rubber ring 3 and the upper and lower shell waterproof rubber rings 4, the side walls of the upper shell 2 and the lower shell 7 are provided with a first groove, and the port waterproof rubber ring 3 is stuck in the first groove; The end surfaces of the upper shell 2 and the lower shell 7 are provided with a second groove, and the upper and lower shell waterproof rubber rings 4 are stuck in the second groove, so that the IMU sensor 5 of the drone and the I/O board of the communication hub of the whole machine 6 Can resist a certain strong electromagnetic interference, but also resist a certain intensity of rain and sand interference.
  • the number of port waterproof rubber rings 3 is the same as the number of the first grooves.
  • the port waterproof rubber ring 3 includes two ends and a connecting portion connecting the two ends, and the connecting portion is caught in the first groove.
  • the structure of the upper and lower shell waterproof aprons 4 is compatible with the structure of the upper and lower shells, such as rounded rectangles.
  • the components 1 requiring heat dissipation in the avionics structure of the UAV are in direct thermal contact with the body of the upper shell 2. Because the metal shell has excellent thermal conductivity, the components 1 requiring heat dissipation are closely attached to the upper shell 2 and the upper shell is used. 2 Larger heat capacity and thermal conductivity, get good heat dissipation without adding extra heat sink.
  • An embodiment of the utility model provides a drone, including the above-mentioned drone avionic structure.

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

一种无人机航电结构及无人机，无人机航电结构包括导体外壳和中央航电单元，中央航电单元固定设置于导体外壳内，中央航电单元包括整机通信枢纽的I/O板（6），I/O板上电连接IMU传感器（5）。该无人机航电结构及无人机，不仅对无人机的IMU传感器和整机通信枢纽的I/O板具有屏蔽电磁干扰的作用，也具有抵御一定强度的雨水和沙尘干扰的作用，提高了无人机的环境适应能力。

Description

无人机航电结构及无人机 技术领域
本实用新型涉及无人机航电设备领域，具体涉及一种无人机航电结构及无人机。
背景技术
无人驾驶飞机简称“无人机”，英文缩写为“UAV”，是利用无线电遥控设备和自备的程序控制装置操纵的不载人飞机。无人机可搭载多种负载完成各种复杂任务，具体在摄影、农药喷洒、防水救灾、通信、治安反恐、缉毒缉私、物流运输等各个领域有广泛应用。
目前物流无人机航电系统集成度低，各个模块分布较多，分开布局，这样对无人机结构要求低，且容易防护，但是会导致航电系统的防护能力偏弱。
实用新型内容
鉴于现有技术中的上述缺陷或不足，本实用新型的目的在于提供一种无人机航电结构及无人机，用于解决航电系统的防护能力弱的问题。
第一方面，本实用新型提供了一种无人机航电结构，包括导体外壳和中央航电单元，中央航电单元固定设置于导体外壳内，中央航电单元包括整机通信枢纽的I/O板，I/O板上电连接IMU传感器。
进一步地，导体外壳为铝合金外壳或镁合金外壳。
进一步地，导体外壳包括上壳和下壳，上壳和下壳通过防水胶圈密封。
进一步地，中央航电单元直接安装到所述下壳内，I/O板的地线与下壳接通。
进一步地，防水胶圈包括端口防水胶圈和上下壳防水胶圈，上壳与下壳扣和处的侧壁设有第一凹槽，端口防水胶圈卡在第一凹槽内；上壳与下壳扣和的端面设有第二凹槽，上下壳防水胶圈卡在第二凹槽 内。
进一步地，第一凹槽有两个以上。
进一步地，端口防水胶圈的数量与第一凹槽的数量相同。
进一步地，该无人机航电结构中需散热的元器件直接与上壳体导热接触。
第二方面，本实用新型提供了一种无人机，包括上述无人机航电结构。
与现有技术相比，本实用新型具有以下有益效果：
本实用新型无人机航电结构，包括导体外壳和中央航电单元，其中，所述导体外壳即为导电材质的壳体。中央航电单元固定设置于导体外壳内，中央航电单元包括整机通信枢纽的I/O板，I/O板上电连接IMU传感器，不仅能让无人机的IMU传感器和整机通信枢纽的I/O板抵抗一定强的电磁干扰，也能抵御一定强度的雨水和沙尘干扰，提高了无人机的防护能力及环境适应能力。
附图说明
通过阅读参照以下附图所作的对非限制性实施例所作的详细描述，本申请的其它特征、目的和优点将会变得更明显：
图1为本实用新型的实施例的一种无人机航电结构的结构示意图。
图中：1、需散热的元器件，2、上壳，3、端口防水胶圈，4、上下壳防水胶圈，5、IMU传感器，6、I/O板，7、下壳。
具体实施方式
下面结合附图和实施例对本申请作进一步的详细说明。可以理解的是，此处所描述的具体实施例仅仅用于解释相关发明，而非对该发明的限定。另外还需要说明的是，为了便于描述，附图中仅示出了与发明相关的部分。
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本申请。
如图1所示，本实用新型实施例提供一种无人机航电结构，包括 导体外壳和中央航电单元，中央航电单元固定设置于导体外壳内，中央航电单元包括整机通信枢纽的I/O板6，I/O板6上电连接IMU传感器5。
IMU(Inertial measurement unit，惯性测量单元)是测量物体三轴姿态角(或角速度)以及加速度的装置；通过IMU测得的姿态数据推算可进行姿态位移的精准调整。
本实用新型无人机航电结构，通过将IMU传感器5和整机通信枢纽的I/O板6集成一个单元，即中央航电单元，并将中央航电单元固定设置于导体外壳内，导体外壳对IMU传感器5和整机通信枢纽的I/O板6等元器件具有电磁屏蔽的作用，可以提高系统的稳定性及安全性，还能够抵御雨水和沙尘干扰，提高了无人机的防护能力及环境适应能力。
导体外壳采用较好的导热材料，例如为铝合金外壳或镁合金外壳，能够将外壳内部的元器件产生的热量很好的导出，以提高系统的稳定性及安全性。
导体外壳包括上壳2和下壳7，上壳2和下壳7相互扣合，上壳2和下壳7通过防水胶圈密封，上壳2和下壳7安装后能够对整个中央航电单元起到更好的防护功能。
中央航电单元直接安装到所述下壳7内，I/O板6的地线与下壳7接通。
防水胶圈包括端口防水胶圈3和上下壳防水胶圈4，上壳2与下壳7扣和处的侧壁设有第一凹槽，端口防水胶圈3卡在第一凹槽内；上壳2与下壳7扣和的端面设有第二凹槽，上下壳防水胶圈4卡在第二凹槽内，让无人机的IMU传感器5和整机通信枢纽的I/O板6能抵抗一定强电磁干扰，还能抵御一定强度的雨水和沙尘干扰。
第一凹槽有两个以上。
端口防水胶圈3的数量与第一凹槽的数量相同。
端口防水胶圈3包括两个端部和连接两个端部的连接部，连接部卡在第一凹槽内。
上下壳防水胶圈4的结构与上壳和下壳的结构相适应，例如圆角矩形等。
该无人机航电结构中需散热的元器件1直接与上壳2体导热接触，因金属外壳具有优良的导热能力，将需散热的元器件1紧贴在上壳2上，利用上壳2较大的热容和导热率，在不增加额外散热片的情况下得到良好的散热效果。
本实用新型实施例提供了一种无人机，包括上述无人机航电结构。
以上描述仅为本申请的较佳实施例以及对所运用技术原理的说明。本领域技术人员应当理解，本申请中所涉及的发明范围，并不限于上述技术特征的特定组合而成的技术方案，同时也应涵盖在不脱离所述发明构思的情况下，由上述技术特征或其等同特征进行任意组合而形成的其它技术方案。例如上述特征与本申请中公开的(但不限于)具有类似功能的技术特征进行互相替换而形成的技术方案。

Claims (10)

  1. 一种无人机航电结构，其特征在于，包括导体外壳和中央航电单元，所述中央航电单元固定设置于所述导体外壳内，所述中央航电单元包括整机通信枢纽的I/O板，所述I/O板上电连接IMU传感器。
  2. 根据权利要求1所述的无人机航电结构，其特征在于，所述导体外壳为铝合金外壳或镁合金外壳。
  3. 根据权利要求1或2所述的无人机航电结构，其特征在于，所述导体外壳包括上壳和下壳，所述上壳和所述下壳通过防水胶圈密封。
  4. 根据权利要求3所述的无人机航电结构，其特征在于，所述中央航电单元直接安装到所述下壳内，所述I/O板的地线与所述下壳接通。
  5. 根据权利要求4所述的无人机航电结构，其特征在于，所述防水胶圈包括端口防水胶圈和上下壳防水胶圈，所述上壳与下壳扣和处的侧壁设有第一凹槽，所述端口防水胶圈卡在所述第一凹槽内；所述上壳与下壳扣和的端面设有第二凹槽，所述上下壳防水胶圈卡在第二凹槽内。
  6. 根据权利要求5所述的无人机航电结构，其特征在于，所述第一凹槽有两个以上。
  7. 根据权利要求6所述的无人机航电结构，其特征在于，所述端口防水胶圈的数量与第一凹槽的数量相同。
  8. 根据权利要求4-7任一项所述的无人机航电结构，其特征在于，该无人机航电结构中需散热的元器件直接与所述上壳体导热接触。
  9. 一种无人机，其特征在于，包括权利要求1-8任一项所述的无人机航电结构。
  10. 根据权利要求7所述的无人机航电结构，其特征在于，所述端口防水胶圈包括两个端部和连接两个端部的连接部，连接部卡在所述第一凹槽内。
PCT/CN2020/072607 2018-12-05 2020-01-17 无人机航电结构及无人机 WO2020114525A1 (zh)

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CN209852595U (zh) * 2018-12-05 2019-12-27 顺丰科技有限公司 无人机航电结构及无人机

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