WO2017113274A1 - Antenne comprenant un dispositif de formation de faisceaux - Google Patents

Antenne comprenant un dispositif de formation de faisceaux Download PDF

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Publication number
WO2017113274A1
WO2017113274A1 PCT/CN2015/100074 CN2015100074W WO2017113274A1 WO 2017113274 A1 WO2017113274 A1 WO 2017113274A1 CN 2015100074 W CN2015100074 W CN 2015100074W WO 2017113274 A1 WO2017113274 A1 WO 2017113274A1
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WO
WIPO (PCT)
Prior art keywords
follower
output member
output
antenna
driven
Prior art date
Application number
PCT/CN2015/100074
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English (en)
Chinese (zh)
Inventor
段方清
李建平
余彦民
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 CN202010036797.6A priority Critical patent/CN111129715B/zh
Priority to PCT/CN2015/100074 priority patent/WO2017113274A1/fr
Priority to CN201580085614.7A priority patent/CN108432040B/zh
Publication of WO2017113274A1 publication Critical patent/WO2017113274A1/fr

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    • 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

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular to an antenna including a beamforming device.
  • Cell signal coverage in mobile communication is achieved by installing a base station antenna at the base station and causing the beam to cover the planned area.
  • the radiation direction of the antenna beam of the base station needs to be adjusted.
  • the adjustment of the radiation direction typically includes a beam downtilt of the vertical dimension and a beam azimuth of the horizontal dimension.
  • the adjustment of the vertical downtilt angle and the horizontal azimuth angle can be divided into two categories according to the implementation scheme: the first type is to adjust the physical position of the entire base station antenna by mechanical means; the second type is that the physical position of the base station antenna is unchanged, by adjusting the internal movement of the antenna The phaser changes the phase of the signal of each unit inside the antenna to achieve beam pointing change.
  • the first type of solution is generally implemented by designing a rotatable device on a mounting bracket of a base station antenna and designing an electrically controlled power take-off within the antenna.
  • the second type of scheme generally designs a phase shifter connecting the units and a controller that can control the phase of each output port of the phase shifter in the antenna, that is, a mechanically adjustable electrical down tilt (MET) device or a remote power. This is achieved by adjusting the remote electrical tilt (RET) device.
  • MET mechanically adjustable electrical down tilt
  • RET remote electrical tilt
  • the use of the second type of scheme will face defects such as excessive internal control of the antenna and significant increase in antenna volume.
  • This kind of defect is particularly prominent for a multi-frequency antenna integrated with a remote radio unit (RRU), such as an active antenna unit (AAU), because the multi-frequency antenna itself is more single-frequency.
  • RRU remote radio unit
  • AAU active antenna unit
  • the antenna is large, and the overall size is further increased after the integration of the RRU, which poses a challenge to the environmental reliability of the tower top device (such as wind load performance).
  • the multi-beam antenna represented by AAU in order to ensure the stability of the user's broadband access characteristics, the user-level beam must be changed in real time according to the user distribution characteristics, which requires the multi-beam forming device to have a fast corresponding capability.
  • the miniaturization and rapid response of multi-drive MET or RET devices is a fundamental requirement for the successful application of such antennas.
  • Embodiments of the present invention provide an antenna including a multi-beamforming device, which can simplify the multi-beam base station antenna downtilt control device, reduce the number of control devices, and reduce the cost of the antenna.
  • an antenna comprising a multi-beamforming device, wherein the antenna comprises:
  • the antenna includes at least one driving device, at least one converting device, at least one output device, and at least one selecting device;
  • the drive device includes a first drive shaft and a second drive shaft; the conversion device includes at least two followers; the output device includes at least two output members; the selection device includes at least one selector;
  • the first drive shaft is configured to control the selector; the selector is configured to trigger a connection or disconnection between the follower and the output member under the control of the first drive shaft;
  • the second drive shaft is configured to drive the follower, and when the follower and the output member are connected, the follower is driven by the second drive shaft to drive the The output member rotates; the output member is used to drive a load.
  • the selection member includes a cylindrical rod having at least one cam shaft thereon, and the first driving shaft for controlling the selection member includes: the cylindrical rod is The first drive shaft is driven to rotate to rotate the cam shaft;
  • the selecting member is configured to trigger a connection or disconnection between the follower and the output member under the control of the first driving shaft, including: the cam shaft is rotated to be in contact with the follower, The camshaft pushes the follower, the follower is moved by the camshaft to be coupled to the output member, the camshaft is rotated to be separated from the follower, the slave The moving member and the output member are disconnected.
  • the selection member includes a threaded rod having at least one sliding member
  • the first driving shaft for controlling the selection member includes: the threaded rod is The first drive shaft is driven to rotate to move the slider along the threaded rod;
  • the selecting member is configured to trigger a connection or disconnection between the follower and the output member under the control of the first driving shaft, comprising: moving the sliding member to contact with the driven member, Sliding Driving the follower, the follower being driven by the slider to be coupled to the output member, the slider moving to be separated from the follower, the follower and The output member is disconnected.
  • the selection component includes an electromagnetic component
  • the first driving shaft is configured to control the selection component, wherein the first driving shaft is an electromagnetic device, and the electromagnetic component and the Connecting the electromagnetic device, after the electromagnetic device is energized, controlling the movement of the electromagnetic component;
  • the selecting member is configured to trigger connection or disconnection between the follower and the output member under the control of the first driving shaft, comprising: rotating the electromagnetic component into contact with the driven member, The electromagnetic element pushes the follower, the follower moves under the pushing of the electromagnetic element to be connected to the output member, the cam shaft is rotated to be separated from the follower, the slave The moving member and the output member are disconnected.
  • the at least one output member is disposed in a same plane; the follower For driving the output member under the driving of the second driving shaft, the end surface of the driven member A and the end surface of the output member B have protruding teeth, and the teeth are distributed in the circumferential direction.
  • the protruding teeth of the end surface of the follower A are engaged with the slots formed by the protruding teeth of the end face of the output member B, so that the driven member drives the output member to rotate.
  • the at least one output component is disposed in a same plane;
  • the end surface of the driven member A and the end surface of the output member B have convex teeth, and the teeth are distributed in the circumferential direction.
  • the protruding teeth of the end surface of the follower A are engaged with the slots formed by the protruding teeth of the end face of the output member B, so that the driven member drives the output member to rotate.
  • the selecting device further includes a returning device, when the selecting component and When the follower is not in contact, the connection of the follower and the output member is broken.
  • the selecting device in combination with the first possible implementation of the second aspect, includes a plurality of the camshafts, and the plurality of camshafts are no longer in the same plane and are relatively fixed Angle distribution.
  • the load is a phase shifter, or an antenna reflector, or a movable structural member of the antenna reflector.
  • the invention can realize the simplification of the multi-beam base station antenna downtilt control device and reduce the number of control devices.
  • a conventional one driving device drives one load, and a multi-beam base station antenna downtilt control device requires a plurality of.
  • the present invention requires only one control device, thereby reducing the cost of the antenna.
  • FIG. 1 is a schematic structural view of an antenna according to an embodiment of the present invention.
  • FIG. 2 is a schematic view of a driving device according to an embodiment of the present invention.
  • FIG. 3 is a partial schematic view showing an antenna structure according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural view of another antenna according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of another antenna according to an embodiment of the present invention.
  • FIG. 6 is a partial schematic view showing another antenna structure according to an embodiment of the present invention.
  • FIG. 7 is a partial structural schematic view of another antenna structure according to an embodiment of the present invention.
  • Figure 8 is a schematic view showing the connection of a follower and an output member according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of another antenna according to an embodiment of the present invention.
  • FIG. 10 is a partial schematic view of another antenna structure in accordance with an embodiment of the present invention.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • FIG. 1 is a schematic diagram of an embodiment of the present invention. As shown in FIG. 1 , the antenna includes:
  • At least one driving device at least one selecting device, at least one converting device, and at least one output device;
  • the drive device includes a first drive shaft and a second drive shaft; the selection device includes at least one selector; the conversion device includes at least two followers; the output device includes at least two output members;
  • the first drive shaft is configured to control the selector; the selector is configured to trigger a connection or disconnection between the follower and the output member under the control of the first drive shaft;
  • the second driving shaft is configured to drive the follower, and when the driven member and the output member are connected, the driven member is driven by the second driving shaft to drive the The output member rotates; the output member is used to drive a load.
  • the embodiment shown in Figure 1 simplifies the multi-beam base station antenna downtilt control device, reducing the number of control devices.
  • a conventional one driving device drives one load, and a multi-beam base station antenna downtilt control device requires a plurality of. Since the selection device has a plurality of gating capabilities, selective driving of a plurality of output members by a driving device is achieved, and the present invention requires only one control device. Thereby reducing the cost of the antenna. Further, the output members of the output device are arranged approximately in parallel, which realizes flattening of the plurality of output members and reduces the profile height of the output device. Facilitate overall miniaturization of multi-beam antennas
  • the drive device can be a mechanical drive or an electromechanical drive.
  • the drive unit of the embodiment shown in Fig. 2 is an electromechanical drive unit comprising an external interface (such as the 485 interface of AISG), a motor, a control board, a mechanical interface and a housing.
  • the drive unit externally drives the load through a drive shaft of the mechanical interface, such as the first drive shaft and the second drive shaft.
  • the electromechanical driving device receives the control signal and the power source through the external interface, drives the motor according to the control signal, and the motor drives the first driving shaft and the second driving shaft to rotate, thereby providing power to the selecting device and the driven device.
  • the driving device drives the selection device through the first driving shaft, and the selection device can have various structures formula.
  • One of the optional structural forms of the selection device is a camshaft structure:
  • the selection device includes at least one selector member including a cylindrical rod having at least one camshaft thereon; as shown in the selection devices of Figures 1, 3 and 10, the first drive shaft and The cylindrical rods of the selection member are respectively provided with meshing gears, so that the first driving shaft is rotated by the gear driving cylindrical rod, for example, the number of the cam shafts is plural, and one cam shaft correspondingly corresponds to one driven member and a plurality of cams respectively.
  • the shafts may be respectively disposed at different positions on the cylindrical rod such that when the cylindrical rod is rotated to a certain position, at least one cam shaft is in contact with the corresponding follower while the other cam shafts are not in contact with the follower, thereby Selecting the follower by rotation of the cylindrical rod; the follower is moved by the cam shaft to be coupled to the output member, the cam shaft being rotated to be separated from the follower The follower and the output member are disconnected.
  • the camshaft may have an isosceles trapezoidal cross section, and the bottom portion is disposed on a side of the cylindrical rod, and the bottom area may be larger than the top area, so that the two sides of the camshaft are inclined inwardly, thereby more effectively contacting the follower During the process, the follower is pushed to connect the follower and the output member.
  • One of the optional structural forms of the selection device is a slider structure:
  • the first drive shaft of the selection device is coupled to the second output shaft of the drive unit via a pair of bevel gears.
  • the second shaft has a threaded configuration, which may be referred to as a threaded rod, and the selector of the selection device also has a threaded configuration, the selector being threadedly coupled to the second shaft and non-rotatable relative to the second shaft.
  • the second drive shaft drive selector moves along an axis of the second shaft.
  • the selector member and the coupling B of the shifting device constitute a slider structure, and the working portions that are in contact with each other are cones.
  • the movement of the selector member can drive the coupling B in contact therewith to move along the axis of the bevel gear A of the selection device, thereby realizing the meshing of the coupling B with the bevel gear A of the driven shaft of the driven device .
  • the movement of the coupling B also simultaneously compresses a return spring assembly that locks the coupling A by frictional resistance.
  • One of the optional structural forms of the selection device is an electromagnetic relay:
  • the selection member can be an electromagnetic relay.
  • the gating of the coupling B is completed by an electrically controlled electromagnetic relay.
  • the electromagnetic relay control circuit transmits the corresponding control signal to the corresponding electromagnetic relay, and the electromagnetic relay that obtains the strobe signal supplies power to the coupling B to realize the strobing of the corresponding branch, and the power of the first drive shaft can pass the first The output shaft is passed to the corresponding branch.
  • the selecting device further has a return spring assembly, and the movement of the selector moves the coupling B along the axis of the bevel gear A through the cone slider structure to engage the bevel gear A. .
  • this return spring assembly is also compressed to release the return spring assembly pair coupling A lock.
  • the coupling B is disengaged from the coupling A by the action of this return spring assembly.
  • the coupling A also locks the coupling A by the frictional resistance torque under the action of the return spring assembly, and is not easily driven by the rotary drive device, and the selection device selects the follower and the output member.
  • the connection is such that the drive selectively drives the output device.
  • the driving device drives the follower according to different follower types and adopts different driving structures:
  • the second drive shaft in the driving device may be provided with a gear
  • the second drive shaft drives a transmission rod provided with a plurality of gears (bevel gears) on the transmission rod
  • the number of gears and the number of the driven members may be the same, the gear member is provided with a gear, the gear provided on the second drive shaft and the gear of the transmission rod are meshed, and the second drive shaft is driven by a gear to drive the transmission rod to rotate. Further, all the gears on the transmission rod can drive the driven member that meshes with the gear to rotate;
  • the second drive shaft transmits power directly to a set of cylindrical gear sets that mesh with each other.
  • the selection device is not selected, all of the spur gears and the follower connected to the spur gear rotate under the output power of the first drive shaft.
  • the drive of the follower to the output can be driven according to different follower and output types:
  • the follower and the output member are connected, and the end faces of the follower and the output member for connection have convex teeth, and the teeth are distributed in the circumferential direction.
  • the protruding tooth portion of the end surface of the follower engages with the groove portion (the tooth groove) of the end surface of the output member, so that the output member can be driven to rotate when the follower rotates;
  • the follower and the output member are connected as shown in FIG. 4 and FIG. 5, and the follower and the output member are two couplings used together, as shown in FIG. A and the coupling B, when the follower is the coupling A, the output member is the coupling B; when the driven member is the coupling B, the output member is the coupling A.
  • the follower engages with the output member to enable the output member to be rotated when the follower is rotated.
  • the conversion device includes at least two followers, and at least two or more of the plurality of followers can be operated simultaneously.
  • the drive wheel 2 of the conversion device is coupled to the drive unit, and the drive shaft, the bevel gear 1, the bevel gear 2, the spur gear and the drive gear are used to simultaneously operate the plurality of drive gears.
  • the follower is coupled to the drive gear and is slidable along the axis within the drive gear. A plurality of drive gears drive the corresponding plurality of followers to work.
  • the return spring assembly returns the follower to the initial state (non-operating state).
  • the structural details of the conversion device include the drive wheel 2, the drive shaft, the bevel gear 1, the bevel gear 2, the spur gear, the drive gear, the follower, the return spring assembly and the support base.
  • the output of the output device is connected to the load to drive the load.
  • the load can be a phase shifter. By driving the phase shifter to work, the adjustment of the antenna downtilt angle can be achieved.
  • the output device includes a plurality of output members that are arranged approximately in parallel, achieving flattening of the plurality of output members and reducing the profile height of the output device. It is convenient to reduce the overall miniaturization of the multi-beam antenna.
  • the follower of the selection device is connected or disconnected from the output member, and is also arranged in parallel, thereby achieving flattening of the multi-way follower and reducing the profile height of the optional device.
  • the embodiment of the invention can realize the simplification of the multi-beam base station antenna downtilt control device and reduce the number of control devices.
  • a conventional one driving device drives one load, and a multi-beam base station antenna downtilt control device requires a plurality of. Since the selection device has a plurality of gating capabilities, selective driving of a plurality of output members by a driving device is achieved, and the present invention requires only one control device. Thereby reducing the cost of the antenna. Further, the output members of the output device are arranged in approximately parallel, which realizes the flattening of the multi-output members, reduces the profile height of the output device, and facilitates the overall miniaturization of the multi-beam antenna.
  • the driving device is connected to the converting device and the selecting device through a mechanical interface, and the converting device realizes simultaneous driving of the plurality of followers; the selecting device realizes selective connection or disconnection of the output members of the follower and the output device.
  • the output is connected to a load or phase shifter.
  • the drive device selectively drives the follower through the shifting device and the selecting device, the follower drives the output member, and the output member drives the load connected thereto.
  • the phase shifter can change the electrical downtilt angle of the multi-beam mobile communication base station antenna.
  • the output member is connected to a phase shifter of the multi-beam mobile base station antenna to change the downtilt angle of the base station antenna.
  • the driving device, the selecting device, the converting device and the output device of the embodiments of the present invention may respectively have different structural implementation forms.
  • the antenna disclosed in the embodiments of the present invention may be different from the driving device, the selecting device, the converting device, and the output device. The combination of implementations.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative, and may be further divided in actual implementation, for example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces
  • the indirect coupling or communication connection of the unit or the unit may also be an electrical, mechanical or other form of connection.

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Abstract

L'invention concerne une antenne qui comprend un dispositif de formation de faisceaux multiples, comportant au moins un dispositif d'entraînement, au moins un dispositif de conversion, au moins un dispositif de sortie et au moins un dispositif de sélection, le dispositif d'entraînement comprenant un premier arbre d'entraînement et un second arbre d'entraînement, le dispositif de conversion comprenant au moins deux éléments entraînés, le dispositif de sortie comprenant au moins deux éléments de sortie, le dispositif de sélection comprenant au moins un élément de sélection, le premier arbre d'entraînement étant utilisé pour commander l'élément de sélection, celui-ci étant utilisé pour déclencher la liaison et la séparation de l'élément entraîné et de l'élément de sortie sous la commande du premier arbre d'entraînement ; le second arbre d'entraînement étant utilisé pour entraîner l'élément entraîné, celui-ci étant utilisé pour entraîner, lorsqu'il est relié à l'élément de sortie, l'élément de sortie en rotation entraînée par le second arbre d'entraînement ; l'élément de sortie étant utilisé pour entraîner une charge. L'antenne susmentionnée peut simplifier un dispositif de commande d'angle d'inclinaison sous une antenne d'une station de base à faisceaux multiples, et réduit le nombre de dispositifs de commande. Classiquement, un dispositif d'entraînement entraîne une charge, et une pluralité de dispositifs de commande d'angle d'inclinaison sous l'antenne d'une station de base à faisceaux multiples sont donc requis, mais la solution susmentionnée ne nécessite qu'un seul dispositif de commande, ce qui réduit les coûts de l'antenne.
PCT/CN2015/100074 2015-12-31 2015-12-31 Antenne comprenant un dispositif de formation de faisceaux WO2017113274A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202010036797.6A CN111129715B (zh) 2015-12-31 2015-12-31 包含波束成形装置的天线
PCT/CN2015/100074 WO2017113274A1 (fr) 2015-12-31 2015-12-31 Antenne comprenant un dispositif de formation de faisceaux
CN201580085614.7A CN108432040B (zh) 2015-12-31 2015-12-31 包含波束成形装置的天线

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2015/100074 WO2017113274A1 (fr) 2015-12-31 2015-12-31 Antenne comprenant un dispositif de formation de faisceaux

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WO2017113274A1 true WO2017113274A1 (fr) 2017-07-06

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WO (1) WO2017113274A1 (fr)

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CN108506449A (zh) * 2017-12-06 2018-09-07 深圳市兆威机电股份有限公司 多频天线传动装置
CN108506449B (zh) * 2017-12-06 2019-11-26 深圳市兆威机电股份有限公司 多频天线传动装置
CN109638461A (zh) * 2019-01-03 2019-04-16 深圳市鑫龙通信技术有限公司 一种电调天线换挡装置
CN109638461B (zh) * 2019-01-03 2023-08-18 深圳市鑫龙通信技术有限公司 一种电调天线换挡装置
CN110474166A (zh) * 2019-08-01 2019-11-19 武汉虹信通信技术有限责任公司 电调天线传动切换装置及基站天线
CN110474166B (zh) * 2019-08-01 2021-10-01 中信科移动通信技术股份有限公司 电调天线传动切换装置及基站天线
US20230307830A1 (en) * 2020-08-20 2023-09-28 Commscope Technologies Llc Transmission mechanism for base station antenna and base station antenna
US11984662B2 (en) * 2020-08-20 2024-05-14 Commscope Technologies Llc Transmission mechanism for base station antenna and base station antenna
CN112886250A (zh) * 2021-01-04 2021-06-01 武汉虹信科技发展有限责任公司 一种换挡式电调天线传动装置及基站天线
CN112886250B (zh) * 2021-01-04 2022-07-19 武汉虹信科技发展有限责任公司 一种换挡式电调天线传动装置及基站天线

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