WO2020052299A1 - Antenne, élément rotatif et dispositif de détection permettant de détecter des informations de position d'un élément rotatif - Google Patents

Antenne, élément rotatif et dispositif de détection permettant de détecter des informations de position d'un élément rotatif Download PDF

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Publication number
WO2020052299A1
WO2020052299A1 PCT/CN2019/090783 CN2019090783W WO2020052299A1 WO 2020052299 A1 WO2020052299 A1 WO 2020052299A1 CN 2019090783 W CN2019090783 W CN 2019090783W WO 2020052299 A1 WO2020052299 A1 WO 2020052299A1
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WO
WIPO (PCT)
Prior art keywords
identification
units
identification unit
rotating member
detection device
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PCT/CN2019/090783
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English (en)
Chinese (zh)
Inventor
黄潮生
马泽峰
薛锋章
刘培涛
段红彬
游建军
Original Assignee
京信通信技术(广州)有限公司
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Publication of WO2020052299A1 publication Critical patent/WO2020052299A1/fr

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • 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
    • H01Q3/34—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 electrical means

Definitions

  • the invention relates to the technical field of mobile antennas, in particular to an antenna, a rotating member, and a detection device for detecting position information of the rotating member.
  • the electrical downtilt of the antenna phase shifter is adjusted, it is often controlled by an RCU (Remote Control Unit, external remote control unit) control module.
  • the RCU control module uses a motor component and a switching component to control at least two frequency bands.
  • the switching component needs to read the rotation direction and position of the rotating part when switching the frequency band.
  • the detection accuracy of the conventional detection device for detecting the position information of the rotating parts is difficult to meet the needs of adjusting the multi-frequency electrical downtilt angle of the antenna phase shifter.
  • the detection device can accurately detect and obtain the rotation direction and position information of the rotating member, which is beneficial to improving the antenna phase shifter.
  • Electrical downtilt angle adjustment accuracy The antenna uses the above-mentioned detection device to make the electrical downtilt angle adjustment accuracy higher and communication quality better; the setting of the rotating member and the identification device can constitute the detection device.
  • the present application provides a detection device for detecting position information of a rotating member, comprising: an identification component, the identification component is disposed on the rotating member, and rotates along the same rotation center as the rotating member.
  • the identification component includes at least two first identification units and at least two second identification units, and all the first identification units and all the second identification units are arranged along the same circumference and form non-repeating position information; And an identification element for identifying the first identification unit and the second identification unit, and an identification end of the identification element is disposed toward the identification component.
  • the identification component When the above detection device is applied to the electrical downtilt adjustment of the phase shifter, the identification component is set on a rotating member (the rotating member is an internal ring gear or a planet carrier), and then the identification element is used to perform the first identification unit and the second identification unit. Recognize and obtain the corresponding identification signal, send the identification signal to the controller, and obtain the corresponding position information.
  • a position code can indirectly reflect the position of the rotating part, which can in turn Determine the rotation direction (the rotation direction information of the rotation member can be obtained from the start code signal to the end code signal) and the rotation position (the position information of the rotation member can be obtained from the position code), so that it can be indirectly calculated
  • the downtilt angle data of the phase shifter is so convenient for the ESC control of the downtilt angle of the phase shifter.
  • the identification element reads the first identification unit to generate a first identification signal
  • the identification element reads the second identification unit to generate a second identification signal
  • the first identification signal and The second identification signal belongs to a different coded signal
  • the number of the first identification unit and the second identification unit is preset to N, and any one of the first identification unit or the second identification unit is used as a starting point.
  • One or more of the first identification units or / and one or more of the second identification units adjacent to the starting point form a group of first position codes, and all the first position codes are not duplicated and formed
  • the number of the first position codes is equal to N, where N is a positive integer greater than or equal to two.
  • the number of the first identification unit and the second identification unit is 16 in total, and starting from any one of the first identification units or from any one of the second identification units,
  • the first identification unit or the second identification unit adjacent to the starting point forms a group of the first position code
  • the first position code is a 4-digit binary code
  • the first identification unit is a first magnetic switch or a first pattern
  • the second identification unit is a second magnetic switch different from the first magnetic switch or the first pattern. Different second patterns.
  • the identification component further includes at least two third identification units, and all the third identification units are arranged along the same circumference with all the first identification units and all the second identification units. And forming non-repeated ternary position information, the identification element can identify the third identification unit.
  • the identification component further includes a ring-shaped mounting body, and all the first identification units and all the second identification units are disposed on the mounting body, and the mounting body is disposed on the mounting body. On the rotating member.
  • the first identification unit is a first slot opened on the mounting body
  • the second identification unit is a second slot opened on the mounting body
  • the first The arc length of the two notches on the rotation circle is not equal to the arc length of the first notch on the rotation circle
  • the identification element is a photoelectric sensor
  • the present application also provides a rotating part, which includes a body and a labeling component disposed on the body.
  • the labeling component rotates along the same rotation center as the body.
  • the labeling component includes at least two first components.
  • a marking unit and at least two second marking units, the center of the rotation circle is the rotation center of the rotating member, all the first marking units and all the second marking units are spaced along the same circumference, and Form unique location information.
  • the present application further provides an antenna including the above-mentioned inspection device, further including a phase shifter and a control device for adjusting a downtilt angle of the phase shifter, the control device including the rotating member And a controller in communication with the identification element.
  • FIG. 1 is a schematic structural diagram of a detection device in an embodiment
  • FIG. 2 is a schematic diagram of cooperation between the identification component and the identification element shown in FIG. 1;
  • FIG. 3 is a schematic structural diagram of a rotating member in another embodiment
  • FIG. 4 is a schematic diagram of the first identification unit and the second identification unit arranged along the same circumference in an embodiment.
  • identification component 110, first identification unit, 120, second identification unit, 130, mounting body, 200, identification element, 210, identification terminal, 300, rotating member, 400, controller, 500, connecting member.
  • the detection device for detecting the position information of the rotating member 300 includes: an identification assembly 100, the identification assembly 100 is disposed on the rotating member 300, and rotates along the same rotation center as the rotating member 300.
  • the identification component 100 includes at least two first identification units 110 and at least two second identification units 120. All the first identification units 110 and all the second identification units 120 are arranged along the same circumference and form non-repeating position information.
  • an identification element 200 for identifying the first identification unit 110 and the second identification unit 120, and the identification ends of the identification elements 200 are disposed toward the identification component 100.
  • the identification assembly 100 is set on the rotating member 300 (the rotating member 300 is an internal ring gear or a planet carrier), and then the identification element 200 is used for the first identification unit 110 and The second identification unit 120 performs identification and generates a corresponding identification signal, and sends the identification signal to the controller 400 to obtain corresponding position information. Since the position information is not repeated, a position code can indirectly reflect the rotation.
  • the position of the component 300 can further determine the direction of rotation of the component 300 (from the start code signal to the end code signal, the information about the direction of rotation of the component 300 or the direction of rotation of the servo motor can be obtained, according to actual needs (Selection) and rotation position (specific position information of the rotating member 300 can be obtained from the position code), so that the downtilt angle data of the phase shifter can be indirectly calculated, so that it is convenient to perform the ESC control of the downtilt angle of the phase shifter.
  • the "detection of the position information of the rotating member 300" includes at least the specific position information of the rotating member 300; the rotation direction information of the rotating member 300 can be obtained from the start code signal to the end code signal The rotation direction information or the rotation direction information of the rotating member 300 obtained from the rotation direction of the servo motor can be selected according to actual needs.
  • the “rotating member 300” may be set as an internal ring gear or a planet carrier, and may be selected according to actual detection requirements, and the identification assembly 100 may be set on the internal ring gear or the planet carrier.
  • the rotating member 300 is a planet carrier.
  • unrepeated location information refers to the first identification unit 110, the second identification unit 120, the first identification unit 110 or the second identification unit 120, or the second identification unit adjacent to the first identification unit 110, 120 and the adjacent first identification unit 110 or the second identification unit 120 constitute non-repeating encoding information, and the encoding information can be recognized by the identification element 200 and converted into position information of the rotating member 300.
  • the code generated after the first identification unit 110 is identified as "0" and the code generated after the second identification unit 120 is identified as "1", so that a specific combination can be formed by the combination of "0" and "1"
  • Non-repeating encoding information a set of the encoding information represents a position information of the conversion piece.
  • the position information of the rotating member 300 can be obtained indirectly through the coded information, so that there is no need to manually check or identify, and it is convenient to realize automatic or intelligent adjustment of the downtilt angle of the phase shifter.
  • the number of the first identification unit and the number of the second identification unit can be selected according to actual needs, and their positions on the circumference can also be sorted in various ways, as long as non-repeating position information can be formed.
  • the identification element 200 reads the first identification unit 110 to generate a first identification signal
  • the identification element 200 reads the second identification unit 120 to generate a second identification signal.
  • the first identification signal and the second identification signal belong to different encoded signals.
  • the first identification signal is “1” in binary
  • the second identification signal is “0” in binary.
  • the first identification signal may also be a ternary or quaternary coded signal.
  • the number of the first identification unit 110 and the second identification unit 120 is preset to N, and starting from any one of the first identification units 110 or any one of the second identification units 120, One or more first identification units 110 or / and one or more second identification units 120 adjacent to the starting point form a group of first position codes, and all the first position codes do not duplicate and form position information.
  • the number of position codes is equal to N, where N is a positive integer greater than or equal to two. In this way, the first identification unit and the second identification unit can be used to form a plurality of non-repeating first position codes, and then position information can be formed on the rotating member 300.
  • Corresponding position information of the rotating member 300 facilitates accurate adjustment of the downtilt angle of the phase shifter, and can also save the time for determining the position of the rotating member 300, and quickly correspondingly adjust the downtilt angle adjustment instruction.
  • the larger the N the more the first position code formed on the same circumference, and the more the position information of the rotating member 300 is recorded, so that the angle of the rotating member 300 can be adjusted more accurately.
  • the first position code may be a one-bit code, two-digit code, three-digit code, or four-digit code. At least the first position code capable of forming the required number of groups is sufficient, and the accuracy may be adjusted according to actual requirements. Make settings.
  • the identification assembly 100 further includes a ring-shaped mounting body 130. All the first identification units 110 and all the second identification units 120 are disposed on the installation body 130, and the installation body 130 is disposed to rotate. 300 pieces. In this way, the identification assembly 100 can be indirectly disposed on the rotating member 300 through the mounting body 130.
  • the fixing of the mounting body 130 and the rotating member 300 may be a separate assembly and fixing, or may be directly fixed by using an integral molding technology, which is not limited herein. Of course, in other embodiments, the identification assembly 100 may be directly disposed on the rotating member 300.
  • the first identification unit 110 is a first notch opened on the mounting body 130
  • the second identification unit 120 is a second notch opened on the mounting body 130.
  • the arc length of the two notches on the rotation circle is not equal to the arc length of the first notch on the rotation circle; the identification element 200 is a photoelectric sensor.
  • the total number of the first identification unit 110 and the second identification unit 120 is sixteen, and any one of the first identification units 110 or the second identification unit 120 is used as a starting point, and the first identification adjacent to the starting point is
  • the unit 110 or / and the second identification unit 120 form a group of first position codes.
  • the first position codes are 4-digit binary codes, and 16 sets of non-repeating binary codes are provided on the circumference to form position information.
  • the code generated is “0”, and the second identification unit 120 is identified, the code generated is “1”.
  • the number of the first identification unit 110 and the second identification unit 120 is 16, and the first identification unit 110 is denoted as “a” and the second identification unit 120 is denoted as “c”.
  • the rest is marked as "b"; the mark on the mounting body 130 is (as shown in Fig. 4, the rotating member 300 rotates counterclockwise and starts at the 0 point position) aaacaccaaccccaca, which is generated by the corresponding identification unit of the corresponding photoelectric sensor
  • the signal is: 0001011001111010.
  • the 16 sets of first position codes are shown in Table 1.
  • Table 1 is the 16 first position codes
  • one of the first notches or the second notches can be used as a starting point, and the rotating member 300 can be turned counterclockwise through 4 identification units to obtain a first position code.
  • the position information of the rotating member 300 is obtained by the first position code, so that the position determination of the rotating member 300 is more convenient and intelligent.
  • the adjusted angle can be converted into the number of rotations of the rotating member 300 (the direction of rotation can be controlled by the positive and negative rotation of the servo motor); thus, the detection device is used to obtain After the position information, the number of turns of the rotating member 300 to be rotated can be automatically calculated, and then the rotating member 300 is driven to rotate, so that the angle adjustment of the downtilt angle can be completed.
  • 8 sets of position coding information can be formed at this time, such as: 000,001,011,111,110,101,010,100.
  • the 4-bit binary is not enough to represent such a large number.
  • 5-digit binary can represent up to 32 digits. Therefore, a maximum of 32 notches (ie, gear positions) can be formed on the corresponding mounting body 130. This can be used for analogy, and no more examples will be given here.
  • the identification component 100 further includes at least two third identification units. All the third identification units are arranged along the same circumference with all the first identification units 110 and all the second identification units 120.
  • the non-repeated ternary position information enables the identification element 200 to identify the third identification unit.
  • a ternary programming method can be used to form more position information on the mounting body 130. For example, the code generated after the first identification unit 110 is recognized is "0", the code generated after the second identification unit 120 is recognized is "1", and the code generated after the third identification unit is recognized is "2" ", Which can constitute ternary position-coding information.
  • the identification component 100 further includes at least two fourth identification units, thereby obtaining quaternary position information.
  • the specific embodiments are not listed here one by one, and those skilled in the art can perform combined applications based on the above.
  • the first identification unit 110 is a first magnetic switch or a first pattern
  • the second identification unit 120 is a second magnetic switch different from the first magnetic switch or a second pattern different from the first pattern. This may not be limited to the embodiment of the form of the slot described above, and other identification means may be used to form the identification component 100 on the rotating member 300 to obtain corresponding non-repeating position information.
  • the magnetic switch can be identified by a magnetic induction sensor, and the pattern can be identified by machine vision technology.
  • the third identification unit and the fourth identification unit can also be implemented by adopting the above structure.
  • the detection device further includes a connecting member 500, and the identification element 200 is installed at a preset position through the connecting member 500.
  • the connecting member 500 By providing the connecting member 500 in this way, the installation and fixing of the identification element 200 can be quickly realized, and the identification unit in the identification assembly 100 can be identified.
  • a rotating member 300 which includes a main body and a marking assembly 100 disposed on the main body.
  • the marking assembly 100 rotates along the same rotation center as the main body, and the marking assembly 100 includes at least two The first identification unit 110 and at least two second identification units 120 have the center of rotation of the rotation circle as the rotation center of the rotating member 300. All the first identification units 110 and all the second identification units 120 are arranged along the same circumference at an interval, and are not formed. Duplicate location information.
  • the identification assembly 100 can be directly formed during the manufacturing process of the rotating member 300, so that assembly errors can be reduced, and production efficiency can be provided.
  • the first identification unit 110 and the second identification unit 120 are both magnetic induction parts, they can be directly inlaid during the manufacturing process of the rotating part 300, which can greatly save production costs.
  • the arrangement of the rotating member 300 can constitute the above-mentioned detection device with the identification device, which greatly improves the production efficiency.
  • an antenna including the above-mentioned inspection device, further including a phase shifter and a control device (not labeled) for adjusting the downtilt angle of the phase shifter.
  • the control device includes a rotating member 300 and a
  • the controller 400 is identified by a communication connection of the element 200.
  • the antenna adopts the above-mentioned detection device, so that the adjustment accuracy of the electric downtilt angle is higher, and better communication quality is obtained.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

L'invention concerne une antenne, un élément rotatif et un dispositif de détection permettant de détecter des informations de position d'un élément rotatif. Le dispositif de détection comprend : un ensemble d'identification disposé sur un élément rotatif, tournant conjointement avec l'élément rotatif autour du même centre de rotation, et comprenant au moins deux premières unités d'identification et au moins deux secondes unités d'identification, les premières unités d'identification et les secondes unités d'identification étant toutes disposées le long de la même circonférence à un intervalle et formant des informations de position non répétitives ; et un élément d'identification permettant d'identifier les premières unités d'identification et les secondes unités d'identification, une extrémité d'identification de l'élément d'identification étant agencée de façon à faire face à l'ensemble d'identification. Le dispositif de détection est apte à détecter avec précision une direction de rotation et des informations de position de l'élément rotatif, et améliore la précision de réglage d'une inclinaison électrique vers le bas d'un déphaseur d'une antenne. L'antenne utilise le dispositif de détection pour améliorer la précision de réglage d'une inclinaison électrique vers le bas et d'une qualité de communication. L'élément rotatif peut être conçu de façon à former le dispositif de détection avec un dispositif d'identification.
PCT/CN2019/090783 2018-09-14 2019-06-11 Antenne, élément rotatif et dispositif de détection permettant de détecter des informations de position d'un élément rotatif WO2020052299A1 (fr)

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CN201811073110.5A CN109084716B (zh) 2018-09-14 2018-09-14 天线、转动件及用于检测转动件的位置信息的检测装置
CN201811073110.5 2018-09-14

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CN109084716B (zh) * 2018-09-14 2024-06-25 京信通信技术(广州)有限公司 天线、转动件及用于检测转动件的位置信息的检测装置
CN109607386A (zh) * 2019-01-22 2019-04-12 长沙海川自动化设备有限公司 回转角度检测装置、回转设备及塔式起重机
CN112272391B (zh) * 2020-10-19 2021-08-17 珠海格力电器股份有限公司 一种天线信号调节装置及终端信号转换方法
CN116027619B (zh) * 2023-03-28 2023-08-01 苏州墨空视觉技术有限公司 提高滤镜片切换和定位精度的滤镜切换装置、方法和应用

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CN101713669A (zh) * 2009-09-14 2010-05-26 深圳圣诺医疗设备有限公司 绝对位置检测装置
CN102829751A (zh) * 2011-06-15 2012-12-19 北汽福田汽车股份有限公司 角度测量装置、测量方法及具有该角度测量装置的汽车
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