WO2012149779A1 - Appareil d'ajustement d'angle d'inclinaison vers le bas pour antenne à inclinaison électrique vers le bas - Google Patents

Appareil d'ajustement d'angle d'inclinaison vers le bas pour antenne à inclinaison électrique vers le bas Download PDF

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Publication number
WO2012149779A1
WO2012149779A1 PCT/CN2011/080344 CN2011080344W WO2012149779A1 WO 2012149779 A1 WO2012149779 A1 WO 2012149779A1 CN 2011080344 W CN2011080344 W CN 2011080344W WO 2012149779 A1 WO2012149779 A1 WO 2012149779A1
Authority
WO
WIPO (PCT)
Prior art keywords
downtilt
dial
antenna
gear
electric
Prior art date
Application number
PCT/CN2011/080344
Other languages
English (en)
Chinese (zh)
Inventor
胡少敏
陈毅章
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201180002261.1A priority Critical patent/CN102714354B/zh
Priority to PCT/CN2011/080344 priority patent/WO2012149779A1/fr
Publication of WO2012149779A1 publication Critical patent/WO2012149779A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • H01Q3/32—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by mechanical means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations

Definitions

  • the present invention relates to the field of communication device technologies, and in particular, to an electric downtilt antenna downtilt adjustment device.
  • the base station antenna should be reasonably selected according to the actual coverage of the network, such as coverage requirements, traffic distribution, anti-interference requirements and network service quality. Usually, after the base station antenna is selected, the downtilt angle of the base station antenna needs to be adjusted to adjust the coverage area of the base station antenna signal.
  • Properly setting the antenna downtilt can not only reduce the influence of co-channel interference, but also effectively control the coverage of the base station and the soft handover ratio of the whole network (for CDMA networks), and can enhance the signal strength in the coverage area of the base station.
  • the setting of the antenna downtilt is focused on two aspects, that is, focusing on interference suppression and focusing on enhanced coverage. These two aspects focus on different downtilt algorithms. In general, areas with densely distributed base stations should focus on interference suppression, while areas with sparse base stations are focused on considering enhanced coverage.
  • the adjustment of the antenna downtilt angle commonly used is two adjustment methods of mechanical downtilt and electronic downtilt.
  • the antenna pattern changes little after changing the tilt angle, so that the coverage distance of the main lobe direction is shortened, and at the same time, the entire directional pattern is within the serving cell sector. Reduce the coverage without causing interference.
  • the electric adjustment antenna is tilted at an angle of 1. -5.
  • the antenna pattern is almost the same as that of the mechanical antenna; when the downtilt angle is changed from 5° to 10°, the antenna pattern is slightly improved compared with the mechanical antenna; when the downtilt angle is 10° -15.
  • the antenna pattern is larger than that of the mechanical antenna.
  • the antenna pattern When the mechanical antenna is tilted down by 15°, the antenna pattern is significantly different from that of the mechanical antenna. At this time, the antenna pattern changes little, and the main lobe direction covers the distance. Significantly shortened, the entire antenna pattern is in the sector of the base station, increasing the downtilt angle, the sector coverage area can be reduced, but no interference, such a pattern is what we need, so the use of the ESC antenna can reduce the call Loss, reduce interference.
  • the electric downtilt antenna is a development trend of the antenna industry.
  • the downtilt angle of the electric downtilt antenna is adjusted by the driving device driving the phase shifter to change the phase from the input end to each unit, wherein The downtilt shows different readings in a linear motion through the scaled scale rod 101 or the like.
  • the scale rod 101 of the dew is not rain and snow, especially the freezing rain and freezing snow, which will freeze the scale rod 101 and affect the ESC function.
  • the scale rod guard 102 is usually added to the scale rod 101, but the length of the antenna is increased, the length of the package is increased, the transportation cost is increased, and the risk of collision of the upper tower is increased.
  • the protective cap extends too long to be at risk of being knocked) and affects the operating space during installation.
  • An object of the embodiments of the present invention is to provide an electric downtilt antenna downtilt adjustment device, which can reduce the volume of the antenna package, save packaging cost and transportation cost, and improve installation reliability.
  • the specific scheme is as follows: An electric downtilt antenna downtilt adjusting device, comprising:
  • a driving device for driving at least one phase shifter to adjust the downtilt angle of the electric downtilt antenna
  • a downtilt display device wherein the downtilt display device is coupled to the driving device for indicating a change in a downtilt angle of the phase shifter with driving of the driving device by digital display or mechanical rotation .
  • an electric downtilt antenna downtilt angle disclosed in the embodiment of the present invention transmits the power to drive the phase shifter through the driving device to adjust the downtilt angle of the electric downtilt antenna.
  • the downtilt display device indicates a change in the downtilt angle of the phase shifter with the driving of the driving device by digital display or mechanical rotation.
  • the downtilt display device indicated by the digital display or the mechanical rotation mode disclosed in the embodiment of the invention effectively reduces the antenna package volume, and saves packaging cost and transportation cost.
  • FIG. 1 is a schematic structural view of a conventional downtilt display device
  • FIG. 2 is a schematic structural view of a conventional downtilt display device with a scale rod guard sleeve
  • FIG. 3 is a schematic structural view of the electric downtilt antenna downtilt adjusting device according to an embodiment of the present invention after the axial push-pull device is removed;
  • FIG. 4 is a schematic structural diagram of a downtilt display device according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of an electric downtilt antenna downtilt adjusting device according to an embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of an electric downtilt antenna downtilt adjusting device after the downtilt angle is adjusted to the minimum according to an embodiment of the present invention
  • FIG. 7 is a schematic structural view of a downtilt display device after the downtilt angle is adjusted to a minimum according to an embodiment of the present invention
  • FIG. 8 is a schematic structural diagram of an electric downtilt antenna downtilt adjusting device in a downtilt angle adjustment process according to an embodiment of the present invention
  • FIG. 9 is a schematic structural view of a downtilt display device in a process of adjusting a downtilt angle according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of an electric downtilt antenna downtilt adjusting device after the downtilt angle is adjusted to the maximum according to an embodiment of the present invention
  • FIG. 11 is a diagram showing a knot of a downtilt display device after the downtilt angle is adjusted to the maximum according to an embodiment of the present invention. Schematic diagram.
  • Embodiments of the present invention disclose an electric downtilt antenna downtilt adjustment device, which can reduce the antenna package volume, save packaging cost and transportation cost, and improve installation reliability.
  • An electric downtilt antenna downtilt adjusting device disclosed in the embodiment of the invention includes: a driving device for driving at least one phase shifter to adjust the downtilt angle of the electric downtilt antenna, that is, the driving device outputs power to drive the phase shift The device moves to adjust the downtilt angle of the electric downtilt antenna;
  • a downtilt display device wherein the downtilt display device is coupled to the driving device for indicating a downtilt angle of the phase shifter with driving of the driving device by digital display or mechanical rotation The state of change.
  • An electric downtilt antenna downtilt adjusting device disclosed in the embodiment of the invention drives the phase shifter to move by the driving device to realize the adjustment of the downtilt angle of the electric downtilt antenna.
  • the downtilt display device indicates a change in the downtilt angle of the phase shifter with the driving of the driving device by a digital display or a mechanical rotation.
  • the downtilt display device indicated by the digital display or the mechanical rotation mode disclosed in the embodiment of the invention effectively reduces the antenna package volume, saves the packaging cost and the transportation cost, and is beneficial to the antenna end face layout design and engineering installation, and has high reliability. .
  • the downtilt display device when the downtilt display device indicates the change state of the downtilt by mechanical rotation, it includes a dial and a pointer rotatable relative to the dial, and the dial or the pointer can follow
  • the driving of the driving device is correspondingly rotated to display a change in the downtilt angle of the phase shifter with the driving of the driving device by a change in the relative position of the dial and the pointer.
  • FIG. 3 is a schematic structural diagram of an electric tilting antenna downtilt adjusting device according to an embodiment of the present invention, after removing an axial pushing device;
  • FIG. 4 is a structure of a downtilt display device according to an embodiment of the present invention;
  • FIG. 5 is a schematic diagram of an electric downtilt antenna downtilt adjusting device according to an embodiment of the present invention; Schematic diagram of the structure.
  • the transmission chain disclosed in the above embodiment may specifically include a screw 4 and an axial push-pull device 9.
  • the rotary drive unit 6 is disposed on the mount for outputting the driving force to drive the screw 4 to rotate.
  • the screw 4 is rotatably supported on a mount which is coupled to the rotary drive unit 6.
  • the axial push-pull device 9 is screwed to the screw 4 and is axially movable along the screw 4 to which the tie rod 2 is attached.
  • the axial push-pull device 9 will move in the axial direction of the screw 4, and by changing the steering of the rotary drive unit 6, the direction of movement of the axial push-pull device 9 can be changed accordingly.
  • the phase shifter 1 is connected to the pull rod 2, and when the axial push-pull device 9 moves along the axial direction of the screw 4, the phase shifter 1 is moved by the pull rod 2, thereby completing the function of adjusting the downtilt angle of the electric downtilt antenna.
  • the embodiment of the invention effectively reduces the volume of the antenna package by using the dial-down display device in the form of a dial display, which saves the packaging cost and the transportation cost, and is beneficial to the antenna end face layout design and engineering installation, and has high reliability, especially The more the number of frequency bands, the more significant the effect.
  • the downtilt display unit is coupled to the screw 4 via a transmission and extends over the mount to facilitate viewing of the displayed downtilt angle.
  • the downtilt display device has a rotating portion 81 and a stationary dial 82.
  • the rotating portion 81 includes a dial 811 connected to the transmission, and the pointer plate 82 is fastened to the dial 811 and connected to the mounting seat.
  • the screw 4 can be rotated by the transmission to rotate the rotating portion 81, which in turn causes the dial 811 to rotate, so that the corresponding scale on the dial 811 corresponds to the pointer on the dial 82 to identify the corresponding downtilt.
  • the dial 82 can also be connected to the transmission, and the dial 811 can be fixed to the mounting seat.
  • the screw 4 can drive the dial 82 to rotate by the transmission, so that the pointer on the dial 82 is made.
  • the electric downtilt antenna downtilt adjusting device disclosed in the embodiment of the present invention rotates the output power of the screw 4 by the rotation driving unit 6, and according to the steering of the screw 4, the axial pushing and pulling device 9 can be along the screw 4 axis. Move back and forth. As the movement of the axial push-pull device 9 will drive the pull rod 2 and push the phase shifter 1 to move, to achieve the corresponding adjustment of the antenna downtilt angle.
  • the downtilt display device has a dial 811 and a dial 82 that is fastened to the dial 811.
  • the screw 4 drives the transmission to drive the dial 811 or the dial 82 to rotate at a predetermined speed, and causes the dial 82 to rotate relative to the dial 811, thereby displaying the scale on the dial 811 after the screw 4 is rotated.
  • the stroke displacement of the phase shifter 1 is then converted to a downtilt angle displayed on the downtilt display.
  • the dial angle display device of the dial display in the embodiment of the invention effectively reduces the d and the antenna package volume, saves the packaging cost and the transportation cost, and is beneficial to the antenna end face layout design and engineering installation, and has high reliability, especially The more the number of frequency bands, the more significant the effect.
  • a transmission 7 is provided between the rotary drive unit 6 and the screw 4 to reduce the rotational speed of the output of the rotary drive unit 6, and the rotational speed is controlled within an appropriate range.
  • the transmission device 7 is composed of gears, i.e., gear reduction is achieved by gear transmission.
  • the output shaft of the rotary drive unit 6 is provided with a first gear
  • the screw 4 is provided with a second gear.
  • the first gear meshes with the second gear to form a transmission device 7, and the number of teeth of the first gear is smaller than the number of teeth of the second gear.
  • the gear ratio of the first gear and the second gear is controlled, and the rotational speed of the rotary drive unit 6 is transmitted to the screw 4 to control the rotational speed within an appropriate range.
  • the above transmission device 7 is not limited to a gear transmission, and may be various deceleration systems such as a belt transmission method or a sprocket transmission.
  • the gear unit is geared, it is not limited to the two-stage reduction method disclosed in the above embodiment, and may be a more-stage gear.
  • the transmission between the downtilt display device and the screw 4 should be able to meet the corresponding reduction ratio requirements to ensure the downtilt angle display. accuracy.
  • a third gear is disposed on the screw 4, and a fourth gear 812 is disposed on the dial 811.
  • the third gear and the fourth gear 812 are meshed to form a transmission, and the third gear has a smaller number of teeth than the fourth gear. The number of teeth.
  • the above transmission is not limited to gear transmission, but may be various speed reduction systems such as belt transmission or sprocket transmission.
  • gear device When the gear device is geared, it is not limited to the two-stage deceleration mode disclosed in the above embodiment, and may be more gears.
  • the pointer disk 82 includes a housing and a transparent disk 821.
  • the housing is used to connect with the mounting seat.
  • Set The transparent disk 821 placed on the casing is used to protect the dial 811, and the dial 811 is prevented from being rotated or rotated insensitive to the external environment.
  • the transparent disk 821 is disposed opposite to the dial 811, and the transparent disk 821 is provided with a pointer 822.
  • the pointer 822 corresponds to the 0 scale on the dial 811, and after the dial 811 is rotated, the corresponding downtilt angle is indicated, the pointer The scale corresponding to 822 is the downward tilt angle.
  • the housing of the dial 82 is screw-connected to the mounting seat, that is, a plurality of mounting holes for the screws to pass through are provided on the housing, and the mounting holes are disposed on the mounting ears of the outer peripheral surface of the housing. That is, a plurality of mounting ears are provided on the outer peripheral surface of the casing, and mounting holes for the screws to pass through are provided on the respective mounting ears.
  • the mounting seat is provided with a sliding seat 3, and the pulling rod 2 is slidably engaged with the sliding seat 3.
  • the carriage 3 can be a hoop-type structure, and is fitted on both sides of the tie rod 2, so that the tie rod 2 can only slide along the central axis thereof, and the stability of the support of the tie rod 2 is improved.
  • a screw bearing 5 is provided at one end of the screw 4 near the rotary drive unit 6, i.e., the end is supported by the sliding bearing 5, and the other end is supported by the tie rod 2 and the axial push-pull device 9.
  • the mounting seat is provided with a limiting seat for preventing the axial pushing and pulling device 9 from continuing to move.
  • the limiting seat and the sliding bearing 5 define the stroke range of the axial pushing and pulling device 9, that is, the axial pushing and pulling device 9 respectively moves to the limiting seat When it comes into contact with the plain bearing 5, it cannot continue to move, and then the stroke range of the phase shifter 1 is specified.
  • One end of the axial push-pull device 9 has an internal thread that cooperates with the external thread of the screw 4, and the other end is fitted to the tie rod 2, and is fixed to the tie rod 2 by screws.
  • FIG. 6 is a schematic structural diagram of an electric downtilt antenna downtilt adjusting device according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a downtilt angle adjusted to the minimum according to an embodiment of the present invention.
  • the dial 82 and the dial 811, a rotary motion, a stationary, digital scale indicated by the pointer 822, show the downtilt of the phase shifter 1.
  • the pointer 822 indicates the 0 scale
  • the down-tilt angle of the phase shifter 1 is 0 degree.
  • FIG. 8 is a schematic structural diagram of an electric downtilt antenna downtilt adjusting device according to an embodiment of the present invention
  • FIG. 9 is a schematic diagram of a downtilt angle adjustment process according to an embodiment of the present invention. Schematic diagram of the structure of the downtilt display device.
  • the pointer 822 indicates 2 scales, phase shifting
  • the downtilt angle of the device 1 is 2 degrees.
  • the downtilt angle of the phase shifter 1 is changed by the rotational motion of the dial 811.
  • FIG. 10 is a schematic structural diagram of an electric downtilt antenna downtilt adjusting device according to an embodiment of the present invention.
  • FIG. 11 is a schematic diagram of a downtilt angle adjusted to the maximum according to an embodiment of the present invention.
  • the pointer 822 indicates 8 scales, and the phase shifter 1 has a downtilt angle of 8 degrees.
  • the embodiment of the present invention is not limited to the case where the maximum range is 8 degrees, and the range of the present invention can be changed by adjusting the distance between the limit seat and the sliding bearing 5, and the scale range on the dial 811 can be changed accordingly. .

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  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Support Of Aerials (AREA)

Abstract

L'invention concerne un appareil d'ajustement d'angle d'inclinaison vers le bas pour une antenne à inclinaison électrique vers le bas, comprenant : un dispositif de commande, configuré pour commander le déphasage d'au moins un déphaseur pour obtenir un ajustement d'angle d'inclinaison vers le bas de l'antenne à inclinaison électrique vers le bas; et un dispositif d'affichage d'angle d'inclinaison vers le bas, ce dernier étant couplé au dispositif de commande et configuré pour indiquer, à la manière d'un dispositif d'affichage numérique ou d'une rotation mécanique, le changement de l'angle d'inclinaison vers le bas produit par le déphaseur commandé par le dispositif de commande. Les modes de réalisation de la présente invention réduisent de manière efficace le volume d'emballage d'une antenne et économise les coûts d'emballage et de transport.
PCT/CN2011/080344 2011-09-29 2011-09-29 Appareil d'ajustement d'angle d'inclinaison vers le bas pour antenne à inclinaison électrique vers le bas WO2012149779A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201180002261.1A CN102714354B (zh) 2011-09-29 2011-09-29 一种电下倾天线下倾角调整装置
PCT/CN2011/080344 WO2012149779A1 (fr) 2011-09-29 2011-09-29 Appareil d'ajustement d'angle d'inclinaison vers le bas pour antenne à inclinaison électrique vers le bas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/080344 WO2012149779A1 (fr) 2011-09-29 2011-09-29 Appareil d'ajustement d'angle d'inclinaison vers le bas pour antenne à inclinaison électrique vers le bas

Publications (1)

Publication Number Publication Date
WO2012149779A1 true WO2012149779A1 (fr) 2012-11-08

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CN (1) CN102714354B (fr)
WO (1) WO2012149779A1 (fr)

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WO2015117279A1 (fr) * 2014-02-10 2015-08-13 华为技术有限公司 Appareil de réglage d'antenne et antenne à commande d'inclinaison électrique à distance
JP2017536773A (ja) * 2014-12-02 2017-12-07 ケーエムダブリュ・インコーポレーテッド 移動通信システム用小型アンテナ装置
CN107565220A (zh) * 2017-08-24 2018-01-09 摩比天线技术（深圳）有限公司 电调天线及其下倾角显示装置
US10581163B2 (en) 2016-06-15 2020-03-03 Commscope Technologies Llc Actuators for controlling multiple phase shifters of remote electronic downtilt base station antennas

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CN108432040B (zh) * 2015-12-31 2020-01-21 华为技术有限公司 包含波束成形装置的天线
CN105655712A (zh) * 2016-01-11 2016-06-08 广东通宇通讯股份有限公司 天线调节装置
SE540514C2 (en) * 2016-02-05 2018-09-25 Cellmax Tech Ab Multi radiator antenna comprising means for indicating antenna main lobe direction
SE539769C2 (en) 2016-02-05 2017-11-21 Cellmax Tech Ab Antenna feeding network comprising a coaxial connector
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CN105953722B (zh) * 2016-07-01 2019-01-22 京信通信技术(广州)有限公司 下倾角电子显示装置
CN106159441B (zh) * 2016-08-04 2021-08-20 京信通信技术(广州)有限公司 角度指示器、下倾角显示装置及天线
CN107809004B (zh) * 2016-09-08 2024-03-29 普罗斯通信技术（苏州）有限公司 具有指示装置的天线
CN107994339B (zh) * 2017-12-29 2023-11-10 京信通信技术(广州)有限公司 角度指示器及电调天线下倾角指示装置
CN109768391B (zh) * 2018-12-29 2020-12-15 京信通信技术(广州)有限公司 天线、天线电下倾角的显示系统及其传动机构
CN110034401A (zh) * 2019-03-29 2019-07-19 摩比科技（深圳）有限公司 天线的下倾角显示装置及天线
CN112736400A (zh) * 2020-12-30 2021-04-30 京信通信技术(广州)有限公司 下倾角显示装置及天线
CN113346243B (zh) * 2021-05-12 2024-05-28 摩比天线技术（深圳）有限公司 电调天线下倾角的显示装置及电调天线

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WO2015117279A1 (fr) * 2014-02-10 2015-08-13 华为技术有限公司 Appareil de réglage d'antenne et antenne à commande d'inclinaison électrique à distance
US10461419B2 (en) 2014-02-10 2019-10-29 Huawei Technologies Co., Ltd. Antenna adjustment apparatus and remote electrical tilt antenna
US11128042B2 (en) 2014-02-10 2021-09-21 Huawei Technologies Co., Ltd. Antenna adjustment apparatus and remote electrical tilt antenna
JP2017536773A (ja) * 2014-12-02 2017-12-07 ケーエムダブリュ・インコーポレーテッド 移動通信システム用小型アンテナ装置
US10581163B2 (en) 2016-06-15 2020-03-03 Commscope Technologies Llc Actuators for controlling multiple phase shifters of remote electronic downtilt base station antennas
CN107565220A (zh) * 2017-08-24 2018-01-09 摩比天线技术（深圳）有限公司 电调天线及其下倾角显示装置

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