CN-122000759-A - Transmission line, transmission line assembly, antenna and base station

Abstract

The application provides a transmission line, a transmission line assembly, an antenna and a base station. The transmission line comprises a first line segment unit and a second line segment unit, wherein the first line segment unit comprises a first inner conductor and a first outer conductor, the first inner conductor and the first outer conductor are arranged in an insulating mode, the second line segment unit comprises a second inner conductor and a second outer conductor, the second inner conductor and the second outer conductor are arranged in an insulating mode, the first inner conductor is used for being connected with the second inner conductor in a rotating mode, and the first outer conductor is used for being connected with the second outer conductor in a rotating mode. The inner conductors and the outer conductors of the first line segment unit and the second line segment unit can be respectively connected in a rotating mode, so that the first line segment unit and the second line segment unit can rotate relatively, and bending of the transmission line is achieved.

Inventors

• LIU XINMING
• HU PEIFENG
• CAI DANTAO
• CAO GUOXIANG
• LI XIN
• ZHAO YANG

Assignees

• 华为技术有限公司

Dates

Publication Date

20260508

Application Date

20241101

Claims (20)

1. 1. A transmission line, characterized in that the transmission line comprises a first line segment unit and a second line segment unit; the first line segment unit comprises a first inner conductor and a first outer conductor, and the first inner conductor and the first outer conductor are arranged in an insulating way; the second line segment unit comprises a second inner conductor and a second outer conductor, and the second inner conductor and the second outer conductor are arranged in an insulating manner; the first inner conductor is used for being in rotary connection with the second inner conductor, and the first outer conductor is used for being in rotary connection with the second outer conductor.
2. 2. The transmission line according to claim 1, wherein the transmission line includes a rotation shaft, the first inner conductor and the second inner conductor are respectively connected to the rotation shaft and are respectively rotatable about an axis of the rotation shaft, and the first outer conductor and the second outer conductor are respectively connected to the rotation shaft and are respectively rotatable about an axis of the rotation shaft.
3. 3. The transmission line according to claim 2, characterized in that a support is provided between the first inner conductor and the second outer conductor and/or a support is provided between the second inner conductor and the first outer conductor.
4. 4. A transmission line according to claim 2 or 3, wherein orthographic projections of the first inner conductor and the second inner conductor on planes perpendicular to the axial direction of the rotation shaft at least partially overlap; Orthographic projections of the first outer conductor and the second outer conductor on a plane perpendicular to an axial direction of the rotation shaft at least partially overlap.
5. 5. The transmission line according to any one of claims 2 to 4, wherein the first outer conductor forms a plurality of first accommodation cavities arranged at intervals in an axial direction of the rotation shaft, the first inner conductor includes a plurality of first cores accommodated in the plurality of first accommodation cavities in one-to-one correspondence; The second outer conductor forms a plurality of second accommodating cavities which are arranged at intervals along the axial direction of the rotating shaft, and the second inner conductor comprises a plurality of second inner cores which are accommodated in the plurality of second accommodating cavities in a one-to-one correspondence manner; The first inner cores and the second inner cores are respectively connected with the rotating shaft and respectively rotate around the axis of the rotating shaft, and the first inner cores and the second inner cores are electrically connected in one-to-one correspondence.
6. 6. The transmission line according to claim 5, wherein each of the accommodation cavities has an opening in a direction perpendicular to an axial direction of the rotation shaft.
7. 7. The transmission line according to claim 6, wherein the opening directions of the plurality of accommodation chambers are the same.
8. 8. The transmission line according to claim 6, wherein openings of adjacent two of the accommodation chambers are opposite in direction along an axial direction of the rotation shaft.
9. 9. The transmission line of claim 1, wherein the transmission line includes a transition inner conductor, the first inner conductor being rotatably coupled to one of the ends of the transition inner conductor, the second inner conductor being rotatably coupled to the other end of the transition inner conductor.
10. 10. The transmission line according to claim 9, wherein the transmission line includes a rotation shaft, and the first inner conductor, the second inner conductor, and the transit inner conductor are respectively connected to the rotation shaft and are respectively rotatable about axes of the rotation shaft.
11. 11. A transmission line according to claim 9 or 10, wherein the first outer conductor is at least partially sleeved outside the second outer conductor.
12. 12. A transmission line according to claim 9 or 10, wherein the transmission line comprises a transition outer conductor, the first outer conductor being rotatably connected to one of the ends of the transition outer conductor, the second outer conductor being rotatably connected to the other end of the transition outer conductor.
13. 13. The transmission line according to any one of claims 1 to 12, wherein, along the length of the first segment unit, both ends of the first inner conductor respectively comprise first inner coupling surfaces, and both ends of the first outer conductor respectively comprise first outer coupling surfaces; Along the length direction of the second line segment unit, two ends of the second inner conductor respectively comprise second inner coupling surfaces, and two ends of the second outer conductor respectively comprise second outer coupling surfaces; One of the first inner coupling surfaces of the first inner conductor is for coupling electrical connection with one of the second inner coupling surfaces of the second inner conductor, and one of the outer coupling surfaces of the first outer conductor is for coupling electrical connection with one of the second outer coupling surfaces of the second outer conductor.
14. 14. The transmission line of claim 13, wherein two of said first inner coupling surfaces of said first inner conductor are parallel and two of said first outer coupling surfaces of said first outer conductor are parallel; The two second inner coupling surfaces of the second inner conductor are parallel and the two second outer coupling surfaces of the second outer conductor are parallel.
15. 15. The transmission line of claim 13, wherein the two first inner coupling surfaces of the first inner conductor are disposed at an angle, and the two first outer coupling surfaces of the first outer conductor are disposed at an angle, the angle between the two first inner coupling surfaces being the same as the angle between the two first outer coupling surfaces; the two second inner coupling surfaces of the second inner conductor are arranged at an included angle, the two second outer coupling surfaces of the second outer conductor are arranged at an included angle, and the included angle between the two second inner coupling surfaces is the same as the included angle between the two second outer coupling surfaces.
16. 16. The transmission line according to any one of claims 1 to 15, wherein the first outer conductor includes a first outer conductor middle section and first outer conductor end sections connected to both ends of the first outer conductor middle section, and the first inner conductor includes a first inner conductor middle section and first inner conductor end sections connected to both ends of the first inner conductor middle section; The second outer conductor comprises a second outer conductor middle section and second outer conductor end parts connected to two ends of the second outer conductor middle section, and the second inner conductor comprises a second inner conductor middle section and second inner conductor end parts connected to two ends of the second inner conductor middle section; The first inner conductor end is rotatably connected with the second inner conductor end, and the first outer conductor end is rotatably connected with the second outer conductor end.
17. 17. The transmission line of claim 16 wherein said first outer conductor includes two oppositely disposed first side plates, said first inner conductor being disposed in spaced relation between said two first side plates, the same ends of said two side plates forming said first outer conductor ends; the second outer conductor comprises two second side plates which are oppositely arranged, the second inner conductor is arranged between the two second side plates at intervals, and the same ends of the two side plates form second outer conductor end parts.
18. 18. The transmission line according to claim 17, wherein the first outer conductor includes a first connection plate connected between two of the first side plates, both ends of each of the first side plates protruding from both ends of the first connection plate; The second outer conductor comprises a second connecting plate connected between the two second side plates, and two ends of each second side plate protrude out of two ends of the second connecting plate.
19. 19. The transmission line of claim 1, wherein the first inner conductor forms a first spherical sleeve and the second inner conductor forms a first spherical end, the first spherical end being rotatably received within the first spherical sleeve; the first outer conductor is formed with a second spherical sleeve, the second outer conductor is formed with a second spherical end, and the second spherical end is rotatably accommodated in the second spherical sleeve; the first spherical end, the first spherical sleeve, the second spherical end and the second spherical sleeve share a sphere center.
20. 20. The transmission line of claim 19, wherein the first spherical sleeve has a first mounting port for the first spherical end to extend into the first spherical sleeve and a first notch extending through an inner and outer surface of the first spherical sleeve and communicating with the first mounting port; The second spherical sleeve is provided with a second installation port and a second notch, the second installation port is used for enabling the second spherical end to extend into the second spherical sleeve, and the second notch penetrates through the inner surface and the outer surface of the second spherical sleeve and is communicated with the second installation port.

Description

Transmission line, transmission line assembly, antenna and base station Technical Field The present application relates to the field of antenna technologies, and in particular, to a transmission line, a transmission line assembly, an antenna, and a base station. Background Antennas play an important role in modern communications and in some application scenarios antennas have mechanical position adjustment requirements. The mechanical position adjustment of the antenna includes a mechanical rotation in a two-dimensional plane and a three-dimensional space. While In the antenna position adjustment, the transmission line of the antenna is bent or twisted, which puts higher performance requirements on the transmission line, and the reliability of the structure is ensured while the transmission line is required to accurately transmit signals. Disclosure of Invention The application provides a transmission line, a transmission line component, an antenna and a base station, which meet the requirement of mechanical activity of the antenna. In a first aspect, the present application provides a transmission line that may be used in signal transmission of an antenna system or radio frequency circuitry. In the mechanical activity of the antenna, the transmission line can bend along with the movement of the antenna. The transmission line comprises a first line segment unit and a second line segment unit, wherein the first line segment unit comprises a first inner conductor and a first outer conductor, the first inner conductor and the first outer conductor are arranged in an insulating mode, the second line segment unit comprises a second inner conductor and a second outer conductor, the second inner conductor and the second outer conductor are arranged in an insulating mode, the first inner conductor is used for being connected with the second inner conductor in a rotating mode, and the first outer conductor is used for being connected with the second outer conductor in a rotating mode. Above-mentioned transmission line, the inner conductor and the outer conductor of first line segment unit and second line segment unit can realize rotating respectively and connect for first line segment unit and second line segment unit can be in the relative rotation of two-dimensional plane and three-dimensional space, thereby realize the buckling of transmission line, have the advantage of low-loss, can improve the reliability after buckling many times of transmission line. Specifically, the structures of the transmission lines in different forms can meet different application scenes, and the adaptability is high. In one possible implementation, the transmission line includes a rotation shaft, the first inner conductor and the second inner conductor are respectively connected to the rotation shaft and are respectively rotatable about an axis of the rotation shaft, and the first outer conductor and the second outer conductor are respectively connected to the rotation shaft and are respectively rotatable about an axis of the rotation shaft. The rotating shafts are respectively connected with the two line segment units in a rotating way, so that the two line segment units can rotate relatively, and the connecting structure is simple and reliable. In a possible implementation, a support is provided between the first inner conductor and the second outer conductor and/or a support is provided between the second inner conductor and the first outer conductor. The supporting piece can play an insulating supporting role, and gaps among all structures and stable structures can be ensured. In a possible implementation, the orthographic projections of the first inner conductor and the second inner conductor on the plane perpendicular to the axis direction of the rotation axis at least partly overlap, and the orthographic projections of the first outer conductor and the second outer conductor on the plane perpendicular to the axis direction of the rotation axis at least partly overlap. And between the two connected line segment units, the two inner conductors are electrically connected in a surface mode, the two outer conductors are electrically connected in a surface mode, and the connection effect is more stable and reliable. In a possible implementation manner, the first outer conductor forms a plurality of first accommodating cavities, the plurality of first accommodating cavities are arranged at intervals along the axial direction of the rotating shaft, the first inner conductor comprises a plurality of first inner cores, the plurality of first inner cores are accommodated in the plurality of first accommodating cavities in a one-to-one correspondence manner, the second outer conductor forms a plurality of second accommodating cavities, the plurality of second accommodating cavities are arranged at intervals along the axial direction of the rotating shaft, the second inner conductor comprises a plurality of second inner cores, the plurality