The invention discloses a feed structure, a millimeter wave radar antenna and an automobile, and relates to the field of antennae, the feed structure comprises a connection section, a conversion section and a grounding copper column row, the connection section and the conversion section are connected along the length direction and each comprise a first metal layer, a substrate and a second metal layer which are arranged along the height direction, the first metal layer comprises a first connecting part, a microstrip line and a second connecting part which are sequentially arranged at intervals in the width direction; the grounding copper column bar comprises a first copper column bar and a second copper column bar which are arranged on two sides of the microstrip line, two ends of the first copper column bar are connected with the first connecting part and the second metal layer, and two ends of the second copper column bar are connected with the second connecting part and the second metal layer; the connecting section comprises a first end far away from the conversion section and a second end connected with the conversion section, the first end is used for feed connection, the distance between the first end and the grounding copper column rows is smaller than that in the second end, the width of the microstrip line and the distance between the grounding copper column rows change correspondingly, and the width of the microstrip line of the conversion section is gradually increased in the direction far away from the connecting section.

    本发明公开一种馈电结构、毫米波雷达天线以及汽车,涉及天线领域,馈电结构包括连接段、转换段以及接地铜柱排,连接段与转换段沿长度方向连接且均包括沿高度方向设置的第一金属层、基底以及第二金属层,第一金属层沿宽度方向包括依次间隔设置的第一连接部、微带线以及第二连接部;接地铜柱排包括设于微带线两侧的第一铜柱排和第二铜柱排,第一铜柱排两端连接第一连接部和第二金属层,第二铜柱排两端连接第二连接部和第二金属层;连接段包括远离转换段的第一端和连接转换段的第二端,第一端用于馈电连接,第一端接地铜柱排的间距小于第二端内的间距,微带线的宽度与接地铜柱排之间的间距对应变化,转换段的微带线宽度沿远离连接段方向逐渐增大。


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    Title :

    Feed structure, millimeter wave radar antenna and automobile


    Additional title:

    馈电结构、毫米波雷达天线以及汽车


    Contributors:
    LI SONG (author) / MIAO SHENG (author) / WANG KUN (author)

    Publication date :

    2025-01-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H01Q Antennen , ANTENNAS, i.e. RADIO AERIALS / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion





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