A choke coil structure and choke coil antenna
A choke coil and antenna technology, which is applied in the field of satellite navigation antennas, can solve the problems of large size and heavy weight of the choke coil, and achieve the effects of lightweight design, high miniaturization, and reduced production costs
Active Publication Date: 2020-02-14
HARXON CORP
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Problems solved by technology
[0007] The purpose of the present invention is to provide a choke coil structure and a choke coil antenna to solve the defects of large size and heavy weight of the choke coil in the prior art
Method used
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[0022] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0023] In the description of the present invention, it should be noted that unless otherwise specified, the meaning of "plurality" is two or more; the terms "upper", "lower", "left", "right", "inner ", "outside", "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construe...
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The invention relates to the technical field of a satellite navigation antenna, and discloses a choking coil structure and a choking coil antenna. The choking coil structure comprises a first metal plate, a second metal plate and a third metal plate, wherein the first metal plate and the second metal plate are connected by a first support post, the second metal plate and the third metal plate areconnected by a second support post, a plurality of first U-shaped grooves are formed in an edge of the first metal plate in an array way along a circumferential direction, a plurality of second U-shaped grooves are formed in an edge of the second metal plate in an array way along a circumferential direction, a plurality of third U-shaped grooves are formed in an edge of the third metal plate in anarray way along a circumferential direction, a boss is arranged on an upper surface of the third metal plate, a plurality of first metal sheets and a plurality of second metal sheets are outwards arranged at an edge of the boss at intervals, and the first metal sheets are right opposite to groove openings of the third U-shaped grooves. With the choking coil antenna provided by the invention, miniaturization and integration of the antenna are achieved, the antenna size is reduced, the production cost is reduced, and storage and transportation of the antenna are facilitated.
Description
[0001] This application claims the priority of the Chinese patent application with the application number 201720983177.7 and the utility model name "a choke coil structure and choke coil antenna" submitted to the China Patent Office on August 8, 2017, the entire contents of which are incorporated by reference incorporated in this application. technical field [0002] The invention relates to the technical field of satellite navigation antennas, in particular to a choke coil structure and a choke coil antenna. Background technique [0003] With the development of satellite navigation systems and satellite navigation antennas, the positioning accuracy of satellite positioning antennas has become higher and higher, but factors that affect the positioning accuracy of antennas such as multipath interference and antenna phase center instability still exist, and have become factors that affect the positioning accuracy of antennas. The main reason for positioning accuracy. [0004]...
Claims
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IPC IPC(8): H01Q1/52H01Q21/30
CPCH01Q1/52H01Q21/30
Inventor 王春华吴文平王晓辉吴仕伟
Owner HARXON CORP