WO2019128619A1 - Boîtier, ensemble antenne et dispositif terminal - Google Patents

Boîtier, ensemble antenne et dispositif terminal Download PDF

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Publication number
WO2019128619A1
WO2019128619A1 PCT/CN2018/118509 CN2018118509W WO2019128619A1 WO 2019128619 A1 WO2019128619 A1 WO 2019128619A1 CN 2018118509 W CN2018118509 W CN 2018118509W WO 2019128619 A1 WO2019128619 A1 WO 2019128619A1
Authority
WO
WIPO (PCT)
Prior art keywords
conductive region
antenna
conductive
housing
antenna radiator
Prior art date
Application number
PCT/CN2018/118509
Other languages
English (en)
Chinese (zh)
Inventor
刘焕红
唐海军
刘国林
吴青
Original Assignee
Oppo广东移动通信有限公司
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
Priority claimed from CN201711457932.9A external-priority patent/CN108232419B/zh
Priority claimed from CN201721877311.1U external-priority patent/CN207781875U/zh
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Publication of WO2019128619A1 publication Critical patent/WO2019128619A1/fr

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Classifications

    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits

Definitions

  • the present application relates to an electronic device, and more particularly to a housing, an antenna assembly, and a terminal device.
  • the purpose of the application is to provide a housing, an antenna assembly and a terminal device, which can effectively widen the bandwidth of the antenna in a specific frequency band.
  • an antenna assembly including a housing and a radio frequency module, the housing is provided with a first slot strip, and the first slot strip separates the housing Forming a first conductive region and a second conductive region, the second conductive region is a grounding region, and the first conductive region and the second conductive region are electrically connected between the conductive members across the first slit strip,
  • the radio frequency module is electrically connected to a portion of the first conductive region located on a first side of the conductive member.
  • a housing is provided, the housing is provided with a first slot strip, the first slot strip separating the housing into a first conductive area and a second conductive area, the second The conductive region is a grounding region, and the first conductive region and the second conductive region are electrically connected with a conductive member spanning the first slit strip, and the first conductive region is located at a first side of the conductive member The portion forms a first antenna radiator, a portion of the first conductive region on the second side of the conductive member forms a second antenna radiator, and the radio frequency module is electrically connected to the first antenna radiator.
  • the antenna assembly includes a housing and a radio frequency module, the housing is provided with a first slot strip, and the first slot strip divides the housing into a first conductive region and a second conductive region, where The second conductive region is a grounding region, and the first conductive region and the second conductive region are electrically connected with a conductive member spanning the first slit strip.
  • a terminal device in a further aspect, includes an antenna assembly, the antenna assembly includes a housing and a radio frequency module, and the housing is provided with a first slot strip, the first slot strip The housing is separated into a first conductive area and a second conductive area, the second conductive area is a ground area, and the first conductive area and the second conductive area are electrically connected to each other across the first gap strip And a conductive member electrically connected to a portion of the first conductive region on a first side of the conductive member.
  • the antenna assembly, the housing and the terminal device provided by the present application after the housing is separated into at least two conductive regions, and the first conductive region is connected as a second conductive region of the ground region through the conductive member, the first conductive The region will substantially form two antenna radiators through the conductive member, and the antenna signal of the radio frequency module electrically connected to a portion of the first conductive region located on the first side of the conductive member will pass through The two antenna radiators radiate simultaneously, thereby widening the bandwidth of a particular frequency band.
  • FIG. 1 is a schematic diagram of an antenna assembly in an embodiment of the present application.
  • FIG. 2 is a schematic diagram of an antenna assembly in another embodiment of the present application.
  • FIG. 3 is a schematic diagram of an antenna assembly in still another embodiment of the present application.
  • FIG. 4 is a schematic diagram of an antenna assembly in other embodiments of the present application.
  • FIG. 5 is a structural block diagram of a terminal device in an embodiment of the present application.
  • FIG. 1 is a schematic diagram of the antenna assembly 100 .
  • the antenna assembly 100 includes a housing 1 and a radio frequency module 2, and the housing 1 is provided with at least one slot strip 110, and the at least one slot strip 110 separates the housing 1 into At least two conductive areas.
  • the housing is a metal housing.
  • the housing 1 is provided with a first slit strip 11 , and the first slit strip 11 divides the housing 1 into a first conductive region Z1 and a second conductive region Z2.
  • the second conductive region Z2 is a grounding region, and the first conductive region Z1 and the second conductive region Z2 are electrically connected to the conductive member J1 across the first slit strip, and the radio frequency module 2 is electrically connected to the A portion of the first conductive region Z1 located on the first side of the conductive member J1.
  • the first conductive region Z1 will pass through The conductive member J1 substantially forms two antenna radiators, and the antenna signal of the radio frequency module 2 electrically connected to the portion of the first conductive region Z1 located on the first side of the conductive member J1 will pass through The two antenna radiators radiate simultaneously, thereby widening the bandwidth of a particular frequency band.
  • the portion/region of the first conductive region Z1 on the first side of the conductive member J1 forms a first antenna radiator A1, and the first conductive region Z1 is located on the second side of the conductive member J1.
  • the portion/area forms a second antenna radiator A2, and the radio frequency module 2 is electrically connected to the first antenna radiator A1.
  • the conductive member J1 is respectively fixed on the first conductive region Z1 and the second conductive region Z2 by soldering and electrically connected to the first conductive region Z1 and the second conductive region Z2. In other embodiments, the conductive member J1 is respectively fixed to the first conductive region Z1 and the second conductive region Z2 by screws and electrically connected to the first conductive region Z1 and the second conductive region Z2. . It is obvious that in other embodiments, the conductive member J1 can also be respectively engaged on the first conductive region Z1 and the second conductive region Z2 by means of snapping.
  • the conductive member J1 is a metal piece.
  • the radio frequency module 2 includes a radio frequency source 21 , a matching circuit 22 , and a matching capacitor 23 .
  • the matching circuit 22 and the matching capacitor 23 are sequentially connected between the RF source 21 and the first antenna radiator A1.
  • the matching capacitor 23 is configured to cause the first antenna radiator A1 and the second antenna to radiate while satisfying the radiation performance of the first antenna radiator A1 and the second antenna radiator A2 by a capacitive feeding manner.
  • Body A2 can work in the same frequency band at the same time.
  • the radio frequency module 2 when the radio frequency module 2 is connected to the first antenna radiator A1 for feeding excitation, the first antenna radiator A1 is caused to resonate in a first antenna mode, and at the same time, the second antenna radiator A2 is caused to be The two antenna modes resonate, thereby exciting the first antenna radiator A1 and the second antenna radiator A2 to generate a double resonance to increase the bandwidth of a specific frequency band.
  • the specific frequency band is a low frequency
  • the first antenna mode is a slot (slot antenna) mode
  • the second antenna mode is an IFA (inverted F antenna) mode.
  • the first antenna radiator A1 performs low frequency resonance in a Slot mode
  • the second antenna radiator A2 performs low frequency resonance in an IFA mode, thereby exciting at different low frequencies.
  • the modal first antenna radiator A1 and the second antenna radiator A2 generate double resonance at low frequencies to achieve the effect of expanding the low frequency bandwidth.
  • the capacitance of the matching capacitor is a value between 1 PF (ply method), 3 PF, 5 PF, or 1 PF-5 PF.
  • the antenna assembly 100 further includes a first switch SW1 and a second switch SW2.
  • the first switch SW1 is electrically connected between the first antenna radiator A1 and the ground for adjusting the first
  • the antenna feed length of the antenna radiator A1 is adjusted accordingly.
  • a position at which the first switch SW1 is connected to the first antenna radiator A1 is located on a side of the connection position of the radio frequency module 2 and the first antenna radiator A1 away from the conductive member J1.
  • the second switch SW2 is electrically connected between the second antenna radiator A2 and the ground for adjusting the antenna feeding length of the second antenna radiator A2 and performing corresponding matching adjustment.
  • the position at which the second switch SW2 is connected to the second antenna radiator A2 may be located at any position of the second antenna radiator.
  • the first antenna radiator A1 when the first switch SW1 is turned off, the first antenna radiator A1 is entirely used as an antenna radiator, and when the first switch SW1 is turned on, the feed excitation generated by the radio frequency module 2 will pass through the first switch.
  • SW1 is grounded such that the length of the action of the first antenna radiator A1 in the feed path changes, thereby changing the antenna feed length of the first antenna radiator A1.
  • the second antenna radiator A2 is entirely used as an antenna radiator, and when the second switch SW2 is turned on, the feed excitation generated by the radio frequency module 2 will pass through the first
  • the switch SW2 is grounded such that the length of the action of the second antenna radiator A2 in the feed path changes, thereby changing the antenna feed length of the second antenna radiator A2.
  • the position P1 at which the conductive member J1 is electrically connected to the first conductive region Z1 is a non-center position of the first conductive region Z1, so that the first conductive region Z1 is electrically passed through the conductive member J1.
  • the lengths of the first antenna radiator A1 and the second antenna radiator formed by connecting the second conductive regions Z2 are not equal.
  • the first side of the conductive member J1 is a side of the conductive member J1 closer to the side edge C1 of the first conductive region Z1, and the length of the first antenna radiator A1 is smaller than the first The length of the two antenna radiator. That is, the radio frequency module 2 is connected to the first antenna radiator A1 having a short length.
  • the first side may be the right side of the conductive member J1, and the second side may be the left side of the conductive member J1.
  • the first side may also be the left side of the conductive member J1, and the second side may be the right side of the conductive member J1 as long as the first conductive member J1 is satisfied.
  • One side may be a side of the conductive member J1 closer to the side edge C1 of the first conductive region Z1.
  • the first slit strip 11 extends from a first side B1 of the housing 1 in a specific shape to a second side B2 of the housing 1 opposite to the first side B1, and is completely penetrated.
  • the first slit strip 11 is a through groove penetrating the casing 1 , and the through slot is filled with a non-signal shielding material such as plastic or resin, and the first conductive region Z1 is maintained.
  • the structural relative fixation between the second conductive region Z2 and the second conductive region Z2 is electrically isolated between the first conductive region Z1 and the second conductive region Z2, and can only be electrically connected through the conductive member J1.
  • the first slit strip 11 is a C-shaped slit.
  • the first side B1 and the second side B2 are the sides of the housing 1.
  • the first slit strip 11 is disposed at a position of the housing 1 near the bottom portion D1, and the first conductive region Z1 is located at an edge region of the bottom of the housing 1.
  • the extended shape of the first slit strip 11 is substantially the same as the extended shape of the bottom portion D1 of the housing 1, that is, the first slit strip 11 includes a straight portion h1 and two curved portions at both ends of the straight portion. H2, which constitutes the aforementioned C-shape.
  • the width of the first slit strip 11 is a value of 1 mm, 3.0 mm, or 1 mm to 3.0 mm.
  • FIG. 2 is a schematic diagram of the antenna assembly 100 in another embodiment.
  • the difference from the embodiment shown in FIG. 1 is that the first slit strip 11 is a micro slit strip, and the first slit strip 11 includes at least two spaced apart micro slits F1.
  • the metal strip T1 extends in a direction parallel to the extending direction of the first slit strip 11.
  • the width of the first slit strip 11 is 1.5 mm, 5.0 mm or 1.5 mm to 5.0 mm.
  • the width of the micro slit F1 is 0.05 mm, 0.3 mm or 0.05 mm to 0.3 mm.
  • the micro slit F1 is filled with a non-signal shielding material such as an insulating material such as plastic or resin.
  • the width of the metal strip T1 is a value in the range of 0.1 mm, 0.5 mm, or 0.1 mm to 0.5 mm.
  • FIG. 3 is a schematic diagram of the antenna assembly 100 in still another embodiment.
  • the housing 1 is further provided with a second slit strip 12, and the second slit strip 12 is symmetrically disposed with the first slit strip 11 at two of the housing 1. Ends.
  • the first slit strip 11 is disposed at a position near the bottom end D1 of the casing 1
  • the second slit strip 12 is disposed at a position close to the top end D2 of the casing 1.
  • the second slit strip 12 further separates the casing 1 from the third conductive region Z3, and the third conductive region Z3 is symmetrically distributed on the two sides of the second conductive region Z2 with the first conductive region Z1. .
  • the third electrically conductive region Z3 can also be used as a corresponding antenna radiator.
  • the second slit strip 12 may be a through slot or a micro slit strip.
  • the width of the first slit strip 11 is a value of 1 mm, 3.0 mm, or 1 mm to 3.0 mm.
  • the second slit strip 12 When the second slit strip 12 is a micro slit strip, the second slit strip 12 also includes at least two spaced apart micro slits F1, and a metal strip T1 is disposed between the adjacent two of the micro slits F1.
  • the metal strip T1 extends in a direction parallel to the extending direction of the first slit strip 11.
  • the width of the second slit strip 12 is 1.5 mm, 5.0 mm or 1.5 mm to 5.0 mm.
  • the width of the micro slit F1 is 0.05 mm, 0.3 mm or 0.05 mm to 0.3 mm.
  • the micro slit F1 is filled with a non-signal shielding material such as an insulating material such as plastic or resin.
  • the width of the metal strip T1 is a value in the range of 0.1 mm, 0.5 mm, or 0.1 mm to 0.5 mm.
  • FIG. 4 is a schematic diagram of an antenna assembly 100 in other embodiments of the present application.
  • a conductive member J2 is further connected between the third conductive region Z3 and the second conductive region Z2, so that the third conductive region Z3 is also substantially divided into a third antenna radiator.
  • the length of the third antenna radiator A3 is shorter than the length of the fourth radiator A4.
  • the antenna assembly 100 further includes a radio frequency module 3 connected to the shorter third antenna radiator A3.
  • the third conductive region Z3 also has the same structure as the first conductive region Z1, and the widening of the bandwidth of the specific frequency band is also achieved by the third conductive region Z3 of the casing 1.
  • the conductive member J2 may be connected between the third conductive region Z3 and the second conductive region Z2 and the third portion by soldering, screwing, snapping, or the like, as in the embodiment shown in FIG.
  • the conductive region Z3 and the second conductive region Z2 are electrically connected.
  • the radio frequency module 3 includes a radio frequency source 31, a matching circuit 32, and a matching capacitor 33.
  • the matching circuit 32 and the matching capacitor 33 are sequentially connected between the RF source 31 and the third antenna radiator A3.
  • the capacitance of the matching capacitor is a value between 1 PF (ply method), 3 PF, 5 PF, or 1 PF-5 PF.
  • the third antenna radiator A3 and the fourth antenna radiator A4 may respectively modulate the slot antenna and the IFA antenna to expand the low frequency bandwidth, and may simultaneously resonate with other antenna modes to expand other frequency bands. bandwidth.
  • the antenna assembly 100 further includes a third switch SW3 and a fourth switch SW4 electrically connected between the third antenna radiator A3 and the ground for adjusting the antenna of the third antenna radiator A3. Feed length and corresponding matching adjustments.
  • the fourth switch SW4 is electrically connected between the fourth antenna radiator A4 and the ground for adjusting the antenna feeding length of the fourth antenna radiator A4 and performing corresponding matching adjustment.
  • the first switch SW1, the second switch SW2, the third switch SW3, and the fourth switch SW4 are numerically controlled single-pole double-throw switches or switch tubes such as MOS tubes and BJT transistors.
  • the radio frequency modules 2, 3, and the like illustrated in FIGS. 1-4 are corresponding regions of the second conductive region Z2 of the housing 100, but are electrically isolated from the second conductive region Z2.
  • FIG. 5 is a structural block diagram of the terminal device 200 .
  • the terminal device 200 includes the antenna assembly 100 of any of the foregoing embodiments.
  • the housing in the antenna assembly 100 may be a rear case of the terminal device 100 or a front case for carrying a display screen or the like.
  • the terminal device 200 further includes a USB interface 201.
  • the first conductive area Z1 extends through at least a portion of the area corresponding to the USB interface 201, and the conductive member J1 is disposed on the housing.
  • the area on the 1 that does not correspond to the USB interface 201, that is, the conductive member J1 is an area disposed on the housing 1 other than the USB interface 201.
  • the terminal device 100 can be a mobile phone or a tablet computer.
  • the terminal device 100 also includes other components or structures, which are not described because they are not related to the improvement of the present application.
  • the housing 1, the antenna assembly 100 and the terminal device 200 provided by the present application divide the housing 1 into at least two conductive regions, and connect the first conductive region Z1 through the conductive member J1 as the second conductive region Z1 of the ground region. Thereafter, the first conductive region Z1 will substantially form two antenna radiators through the conductive member J1, and the first conductive region Z1 is electrically connected to the first side of the conductive member J1.
  • the antenna signal of the part of the RF module 2 will be simultaneously radiated through the two antenna radiators, thereby widening the bandwidth of a specific frequency band.

Abstract

La présente invention concerne un ensemble antenne, l'ensemble antenne comprenant un boîtier et un module radiofréquence; le boîtier comportant une première section de fente, la première section de fente divisant le boîtier en une première région conductrice et une seconde région conductrice, la seconde région conductrice étant une région de masse, un élément conducteur à travers la première section de fente étant électroconnecté entre la première région conductrice et la seconde région conductrice, et le module radiofréquence étant électroconnecté à une partie de la première région conductrice située sur un premier côté de l'élément conducteur. La présente invention concerne également un boîtier et un dispositif terminal. Dans la présente invention, la première région conductrice forme sensiblement deux éléments rayonnants d'antenne au moyen de l'élément conducteur, et un signal d'antenne provenant du module radiofréquence connecté électriquement à la partie de la première région conductrice située sur le premier côté de l'élément conducteur sera rayonné simultanément au moyen des deux éléments rayonnants d'antenne, ce qui élargit la bande passante d'une bande de fréquence spécifique.
PCT/CN2018/118509 2017-12-27 2018-11-30 Boîtier, ensemble antenne et dispositif terminal WO2019128619A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201721877311.1 2017-12-27
CN201711457932.9 2017-12-27
CN201711457932.9A CN108232419B (zh) 2017-12-27 2017-12-27 壳体、天线组件及终端设备
CN201721877311.1U CN207781875U (zh) 2017-12-27 2017-12-27 壳体、天线组件及终端设备

Publications (1)

Publication Number Publication Date
WO2019128619A1 true WO2019128619A1 (fr) 2019-07-04

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Application Number Title Priority Date Filing Date
PCT/CN2018/118509 WO2019128619A1 (fr) 2017-12-27 2018-11-30 Boîtier, ensemble antenne et dispositif terminal

Country Status (1)

Country Link
WO (1) WO2019128619A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140111388A1 (en) * 2012-04-09 2014-04-24 Carlo Di Nallo Antenna surrounded by metal housing
CN205029018U (zh) * 2015-10-19 2016-02-10 广东欧珀移动通信有限公司 一种缝隙天线的调频结构
CN105655706A (zh) * 2016-03-18 2016-06-08 广东欧珀移动通信有限公司 金属终端后盖及终端
CN105655704A (zh) * 2016-03-18 2016-06-08 广东欧珀移动通信有限公司 天线装置及移动终端
CN106210200A (zh) * 2016-08-25 2016-12-07 广东欧珀移动通信有限公司 移动终端、壳体组件及其制造方法
CN205900794U (zh) * 2016-04-23 2017-01-18 深圳市威尔创通讯科技有限公司 Lte手机天线低频段双谐振带宽拓展装置
CN106785436A (zh) * 2017-01-04 2017-05-31 广东欧珀移动通信有限公司 导电盖体、壳体组件和终端
CN106785353A (zh) * 2017-01-04 2017-05-31 广东欧珀移动通信有限公司 终端的导电盖体组件及终端
CN108232419A (zh) * 2017-12-27 2018-06-29 广东欧珀移动通信有限公司 壳体、天线组件及终端设备

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140111388A1 (en) * 2012-04-09 2014-04-24 Carlo Di Nallo Antenna surrounded by metal housing
CN205029018U (zh) * 2015-10-19 2016-02-10 广东欧珀移动通信有限公司 一种缝隙天线的调频结构
CN105655706A (zh) * 2016-03-18 2016-06-08 广东欧珀移动通信有限公司 金属终端后盖及终端
CN105655704A (zh) * 2016-03-18 2016-06-08 广东欧珀移动通信有限公司 天线装置及移动终端
CN205900794U (zh) * 2016-04-23 2017-01-18 深圳市威尔创通讯科技有限公司 Lte手机天线低频段双谐振带宽拓展装置
CN106210200A (zh) * 2016-08-25 2016-12-07 广东欧珀移动通信有限公司 移动终端、壳体组件及其制造方法
CN106785436A (zh) * 2017-01-04 2017-05-31 广东欧珀移动通信有限公司 导电盖体、壳体组件和终端
CN106785353A (zh) * 2017-01-04 2017-05-31 广东欧珀移动通信有限公司 终端的导电盖体组件及终端
CN108232419A (zh) * 2017-12-27 2018-06-29 广东欧珀移动通信有限公司 壳体、天线组件及终端设备

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