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1. WO2020107378 - RADOME, RADAR, AND MOVABLE DEVICE

Publication Number WO/2020/107378
Publication Date 04.06.2020
International Application No. PCT/CN2018/118446
International Filing Date 30.11.2018
IPC
G01S 13/93 2006.01
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
13Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
88Radar or analogous systems, specially adapted for specific applications
93for anti-collision purposes
G01S 7/02 2006.01
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7Details of systems according to groups G01S13/, G01S15/, G01S17/127
02of systems according to group G01S13/58
CPC
G01S 2007/027
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
02of systems according to group G01S13/00
027Housing details, e.g. form, type, material, ruggedness
G01S 7/02
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
02of systems according to group G01S13/00
H01Q 1/42
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
1Details of, or arrangements associated with, antennas
42Housings not intimately mechanically associated with radiating elements, e.g. radome
Applicants
  • 深圳市大疆创新科技有限公司 SZ DJI TECHNOLOGY CO., LTD. [CN]/[CN]
Inventors
  • 唐照成 TANG, Zhaocheng
  • 王春明 WANG, Chunming
  • 贺翔 HE, Xiang
  • 黄稀荻 HUANG, Xidi
Agents
  • 北京博思佳知识产权代理有限公司 BEIJING BESTIPR INTELLECTUAL PROPERTY LAW CORPORATION
Priority Data
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) RADOME, RADAR, AND MOVABLE DEVICE
(FR) RADÔME, RADAR ET DISPOSITIF MOBILE
(ZH) 天线罩、雷达和可移动设备
Abstract
(EN)
A radome (260), a radar (200), and a movable device. The radome (260) comprises a cover body (1), and an accommodation space (11) for accommodating an antenna assembly (220) is provided at an inner part of the cover body (1); a bottom surface of the cover body (1) is provided with an opening portion (12) for the antenna assembly (220) to penetrate and enter into the accommodation space (11); and the thickness of a side wall of the cover body (1) is half of a wavelength of an electromagnetic wave radiated by the antenna assembly (220), wherein the cover body (1) is made of a material formed by mixing polyamide and glass fiber. The cover body (1) is made of the material that is formed by mixing polyamide and glass fiber. The cover body (1) has good toughness, high structural strength, and strong corrosion resistance, and the cover body (1) is less likely to crack upon collision, and may therefore form effective protection for the antenna assembly (220). The thickness of the side wall of the cover body (1) is configured to be half of the wavelength of the electromagnetic wave radiated by the antenna assembly (220). A side wall of the radome (260) reflects electromagnetic waves less, and the radome (260) has a relatively small influence on an antenna pattern.
(FR)
L'invention concerne un radôme (260), un radar (200) et un dispositif mobile. Le radôme (260) comprend un corps de couvercle (1), et un espace de réception (11) servant à recevoir un ensemble antenne (220) est disposé au niveau d'une partie intérieure du corps de couvercle (1) ; une surface inférieure du corps de couvercle (1) est pourvue d'une partie d'ouverture (12) permettant à l'ensemble antenne (220) de pénétrer l'espace de réception (11) et d'entrer dans ce dernier ; et l'épaisseur d'une paroi latérale du corps de couvercle (1) correspond à la moitié d'une longueur d'onde d'une onde électromagnétique qui rayonne à partir de l'ensemble antenne (220), le corps de couvercle (1) étant constitué d'un matériau formé par un mélange de polyamide et de fibre de verre. Le corps de couvercle (1) est constitué du matériau formé par un mélange de polyamide et de fibre de verre. Le corps de couvercle (1) a une bonne ténacité, une résistance structurale élevée et une forte résistance à la corrosion, et le corps de couvercle (1) est moins susceptible de fissurer lors d'une collision, et peut donc former une protection efficace de l'ensemble antenne (220). L'épaisseur de la paroi latérale du corps de couvercle (1) est conçue pour correspondre à la moitié de la longueur d'onde de l'onde électromagnétique qui rayonne à partir de l'ensemble antenne (220). Une paroi latérale du radôme (260) réfléchit moins les ondes électromagnétiques, et le radôme (260) a une influence relativement faible sur un motif d'antenne.
(ZH)
一种天线罩(260)、雷达(200)和可移动设备,该天线罩(260)包括:罩体(1),罩体(1)内部设有用于收容天线组件(220)的收容空间(11);罩体(1)的底面设有用于供天线组件(220)穿设而进入收容空间(11)的开口部(12);罩体(1)侧壁的厚度为天线组件(220)辐射电磁波的半波长,其中,罩体(1)由聚酰胺和玻璃纤维混合的材料制成。采用由聚酰胺和玻璃纤维混合的材料制成罩体(1),韧性好、结构强度大、耐腐蚀性强,罩体(1)碰撞碎裂的可能性小,故能够对天线组件(220)形成有效保护;将罩体(1)侧壁的厚度设置成天线组件(220)辐射电磁波的半波长,天线罩(260)的侧壁对电磁波的反射小,天线罩(260)对天线方向图影响较小。
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