Multi-frequency antenna and its centralized control phase shifting device and lifting and positioning mechanism
A technology of position selection and phase shifting, which is applied in the field of communication, can solve problems affecting the reliability of multi-frequency antennas, large improvement space for related structures, complex transmission system structure, etc., and achieve the effect of simple structure, stable structure, ingenious and reasonable combination
Active Publication Date: 2022-07-26
COMBA TELECOM TECH (GUANGZHOU) CO LTD +1
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Problems solved by technology
[0004] However, the motor used to drive the phase shifter in the traditional transmission device still corresponds to the transmission mechanism of the phase shifter one by one, the number of motors has not been reduced, and the number of drive circuits in the control module has not been reduced as much as the number of motors
If the frequency band of the antenna continues to increase, the structure of the transmission system will be more complex and bulky, which will affect the reliability of the multi-frequency antenna
[0005] The applicant has practiced relevant technical solutions for the above problems, but there is still room for improvement in terms of stable control and simple operation, especially for the situation where one control is more than one, and the improvement space for related structures is still large
Method used
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[0031] Embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided for the purpose of A more thorough and complete understanding of the present invention. It should be understood that the drawings and embodiments of the present invention are only used for exemplary purposes, and are not used to limit the protection scope of the present invention.
[0032] As used herein, the term "including" and variations thereof are open-ended inclusions, ie, "including but not limited to". The term "connected" may be directly connected or indirectly connected through intermediate members (elements). The term "one embodiment" means "at least one embodiment"; the term "another embodiment" ...
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The invention provides a multi-frequency antenna, its centralized control phase shifting device, and a lifting and positioning mechanism. , one of the box shells at the bottom of the selected driven gear is provided with a raised part, and the sleeve screw penetrates the raised part to form a screw nut transmission mechanism, so as to control the box through the rotation of the sleeve screw When the body is lifted and lowered, when the selected driven gear is in the first position adjacent to the thread of the sleeve screw, it meshes with the linking piece on the transmission shaft sleeved by the sleeve screw, so as to be in the position of being driven by the transmission shaft. The axis controls the selected driven gear, so as to link other driven gears, thereby changing the state of the orientation of the top column provided on each driven gear. The purpose of controlling multiple top columns in different directions to rise at different times and correspondingly controlling multiple phase modulation control elements can be achieved through simple control.
Description
technical field [0001] The present invention relates to the field of communication technologies, and in particular, the present invention relates to a multi-frequency antenna, a centrally controlled phase-shifting device, and an up-and-down position selection mechanism. Background technique [0002] With the continuous increase of the number of mobile communication terminal users, the demand for the network capacity of the sites in the mobile cellular network is increasing, and the interference between different sites and even between different sectors of the same site is required to be minimized. Maximize capacity and minimize interference. To achieve this purpose, it is usually achieved by adjusting the downtilt angle of the antenna beam on the station. [0003] Among the two methods of adjusting the beam downtilt angle, mechanical downtilt and electronic downtilt, the electronic downtilt has obvious advantages and is the current mainstream and future development trend. ...
Claims
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IPC IPC(8): H01Q3/32
CPCH01Q3/32
Inventor 黄潮生段红彬薛锋章刘培涛肖飞王强洪声锐
Owner COMBA TELECOM TECH (GUANGZHOU) CO LTD