WO2015192614A1 - Antenne et terminal - Google Patents

Antenne et terminal Download PDF

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Publication number
WO2015192614A1
WO2015192614A1 PCT/CN2014/093262 CN2014093262W WO2015192614A1 WO 2015192614 A1 WO2015192614 A1 WO 2015192614A1 CN 2014093262 W CN2014093262 W CN 2014093262W WO 2015192614 A1 WO2015192614 A1 WO 2015192614A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
support plate
terminal
radiator
extension
Prior art date
Application number
PCT/CN2014/093262
Other languages
English (en)
Chinese (zh)
Inventor
李群
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP14895302.9A priority Critical patent/EP3159963B1/fr
Publication of WO2015192614A1 publication Critical patent/WO2015192614A1/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
    • H01Q1/44—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
    • H01Q1/12—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
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • 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

Definitions

  • the present invention relates to the field of mobile communications, and in particular to an antenna and a terminal.
  • An antenna is an indispensable component in a communication system.
  • the performance of an antenna is directly related to the quality of the received and transmitted signals.
  • the size of today's smart terminals is moving toward a thinner and smaller trend, so the size of the built-in antenna of the terminal needs to be smaller and smaller.
  • the traditional PIFA Planar Inverted-F Antenna
  • the wider the frequency band that the antenna needs to support the larger the height and area of the antenna.
  • the antenna is required to have a certain clearance area, and the wider the antenna frequency band, the larger the clearance area of the antenna is required.
  • the conventional antennas are attached to the casing in the form of FPC (Flexible Printed Circuit) or steel sheets, and then connected to the main board through reeds or PIN pins to form a passage, but this method requires a shell.
  • the body structure leaves enough area for the antenna.
  • the technical problem to be solved by the present invention is that the conventional antenna occupies a large space of the terminal.
  • an embodiment of the present invention provides an antenna, including: an antenna is formed by an extension portion of a terminal internal support plate or a support plate, and a radiator, and the support plate is connected to a motherboard of the terminal, and the extension portion of the support plate For forming a coupling feed with the radiator, the extension of the support plate or the support plate is a portion of the support plate that is beyond the combined position of the support plate and the final casing.
  • the antenna further includes another antenna, and the other antenna is disposed on the housing of the terminal.
  • the extension of the support plate is provided with an open cavity, and one side of the open cavity is provided with another cavity, and the radiator is disposed in the cavity of the opening.
  • the cavity of the opening is rectangular.
  • the antenna radiation frequency is energy in a wavelength band of 1710 Mhz to 2200 Mhz.
  • the extension portion of the support board is connected to the ground feed point of the terminal board, and the radiator is connected to the signal feed point of the terminal board.
  • the support plate is an aluminum-magnesium alloy, a zinc alloy or a stainless steel material.
  • the extension portion of the support plate or the support plate and the radiator are respectively connected to the ground feed point of the terminal main board and the signal feed point of the terminal main board through the pin needle or the reed.
  • a terminal comprising any of the antennas described above.
  • a part of the internal support plate of the terminal or an extension portion of the internal support plate and the radiating body form a coupled feed antenna, which can fully utilize the internal space of the terminal and improve the utilization of the internal space of the terminal.
  • FIG. 1 is a schematic view showing the layout of a metal support plate according to an embodiment of the present invention in a mobile phone
  • FIG. 2 is a schematic structural diagram of an antenna according to an embodiment of the present invention.
  • FIG. 3 is a side view showing the inside of a terminal in which an antenna according to an embodiment of the present invention is mounted;
  • FIG. 4 is a diagram showing a return loss generated by using an antenna as a single antenna according to an embodiment of the present invention
  • FIG. 5 is a graph showing an antenna efficiency of an antenna in a frequency range of 1710 MHz to 2160 MHz according to an embodiment of the present invention
  • FIG. 6 is a graph showing an antenna efficiency curve of an antenna in an embodiment of the present invention in a frequency range of 710 MHz to 890 MHz;
  • FIG. 7 is a diagram showing an antenna of an embodiment of the present invention combined with an antenna built in the terminal; Antenna efficiency graph in the range of 1710MHZ-2160MHZ;
  • FIG. 8 is a graph showing the antenna efficiency in the range of 710 MHz to 890 MHz after the antenna of the embodiment of the present invention is combined with the antenna built in the terminal.
  • the present invention provides an antenna and a terminal.
  • the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
  • the terminal in this embodiment uses a mobile phone as an example.
  • the internal structure of the terminal is as shown in FIG. 1 , and the structure of the printed circuit board (PCB) is smaller than the size of the LCD (Liquid Crystal Display). Need to increase the metal support plate to increase the stability of the motherboard and LCD. In order to have a better radiation performance of the antenna, there is generally no metal structure extending under the antenna of the mobile phone.
  • the PCB board and the metal support board generally have a certain spacing, about 1-2 mm.
  • a coupling feed antenna (hereinafter referred to as an antenna) is formed by using a support plate and a portion thereof which extends the position where the support plate is combined with the final casing, and a coupling feed antenna can also be formed by using a part of the support plate itself.
  • FIG. 2 is a schematic structural view of an antenna according to an embodiment of the present invention.
  • the antenna is composed of the extension portions 7, 8 of the support plate 2 inside the terminal and the radiator 6, which may be made of an aluminum-magnesium alloy, a zinc alloy or a stainless steel material, and the extension of the support plate 2 is a portion beyond the position 3 of the support plate 2 in combination with the final casing, that is, the shaded portion shown in FIG. 2 is the support plate 2 inside the terminal and the extension portion of the support plate, wherein the radiator 6 can also be extended by the support plate
  • the sheet-like radiator is realized, and it can also be realized by other radiators of different materials from the support plate 2.
  • the support plate 2 is connected to the main board 1 of the terminal, and the extension of the support plate is used to form a coupling feed with the radiator 6, forming a coupled feed antenna.
  • the extensions 7, 8 of the support plate are connected to the ground feed point 4 of the terminal main board 1, the radiator 6 and the main board of the terminal
  • the signal feed point 5 is connected.
  • the radiator 6 is a high-frequency radiator, combined with the extension of the support plate, can radiate energy in the 1710Mhz-2200Mhz band, or can design a resonance that generates higher frequency points as needed, and the extension portions 7 and 8 of the support plate are mainly It is coupled with the radiator 6 to generate a resonance of a low frequency band, and the wiring manner is not limited to that shown in FIG. 2, and different traces can be designed and formed for the purpose of generating excitation.
  • the structure of the antenna of the embodiment of the present invention is not limited to the specific structure shown in FIG. 2, and the structure of the antenna may be an antenna of any structure that satisfies the following conditions: the extension portion of the support board inside the terminal is provided with An open cavity, one side of the open cavity is provided with another cavity, and the radiator is disposed in the cavity of the opening, and the cavity of the opening as shown in FIG. 2 is rectangular only for the embodiment of the present invention. A specific embodiment of the antenna described.
  • Fig. 3 is a side elevational view showing the inside of a terminal to which an antenna according to an embodiment of the present invention is mounted.
  • the antenna provided by the embodiment of the present invention is further described by taking the terminal as a mobile phone as an example.
  • the inside of the mobile phone shown in FIG. 3 includes: a PCB board 1 and a metal support board 2.
  • the antenna according to the embodiment may further include another antenna 9 disposed on the housing of the terminal, and the other antenna may be The antenna that comes with the phone.
  • the antenna formed by the extension portions 7 and 8 of the internal support plate of the mobile phone passes through the ground feed point 4, and the signal feed point 5 is connected to the main board.
  • the extension portion of the support plate and the radiator 6 are respectively connected to the terminal board through the pin pin or the reed.
  • the ground feed point and the signal feed point are connected.
  • the radiator 6 is in the same plane as the inner extension portions 7, 8 of the support plate, and the specific structure of the radiator 6 and the support plates 7, 8 is not shown in the test chart shown in FIG. 3 is a position where the metal support plate is combined with the plastic case of the front cover of the mobile phone.
  • the conventional mobile phone structure is composed of the support plate having a length of 3 or a downward extension of 1-2 mm to increase the stability.
  • the support plate is extended in an appropriate amount, and the extension portion is used to form a coupled feed antenna.
  • the antenna is designed by a coupling feeding method to obtain a wider band antenna in a smaller area, but the antenna is at a low frequency. The bandwidth will be narrower and the radiation efficiency will not be high enough.
  • the design antenna 9 can be added to the casing of the mobile phone to meet the needs. If the extension of the support plate is extended downward too much, the design and performance of the antenna 9 will be affected, and there will be a coupling effect between the two. It is difficult to debug.
  • the antenna can be used to generate partial resonance. It can be a high-frequency resonance.
  • the antenna can be used as a single high-band antenna.
  • the antenna can also be connected to the antenna 9 on the phone case to generate another frequency band.
  • the resonance can be low frequency.
  • FIG. 4 is a diagram showing the return loss of the antenna used as a single antenna according to an embodiment of the present invention. It can be seen that the low frequency coverage is somewhat difficult.
  • FIG. 5 is an antenna efficiency of the antenna in the range of 1710 MHz to 2160 MHz in the embodiment of the present invention. The graph, as shown in Figure 5, shows that the high frequency efficiency can basically meet the design needs.
  • FIG. 6 is a graph showing the antenna efficiency of the antenna of the embodiment of the present invention in the range of 710 MHz to 890 MHz. It can be seen from Fig. 6 that the efficiency of the low frequency is not high, the vicinity of 800 MHz is slightly better, the antenna efficiency is about 14%, and the high frequency part is better than 1710-2300 MHz.
  • FIG. 7 is a graph showing the antenna efficiency in the range of 1710 MHz to 2160 MHz after the antenna of the embodiment of the present invention is combined with the antenna built in the terminal
  • FIG. 8 is a combination of the antenna of the embodiment of the present invention and the antenna provided in the terminal.
  • the antenna efficiency graph in the range of 710MHZ-890MHZ it can be seen from Fig. 7 and Fig. 8 that the efficiency of the antenna in the low frequency range is greatly improved.
  • the embodiment of the present invention further provides a terminal, which may include any one of the antennas described below: the antenna is composed of an extension portion of the internal support board of the terminal and a radiator, and the support board is connected with the main board of the terminal, and the support board is extended. Part of it is used to form a coupling feed with the radiator, and the extension of the support plate is a portion beyond the position where the support plate and the final casing are combined.
  • the antenna also includes another antenna, and the other antenna is disposed on the housing of the terminal.
  • the extension of the support plate is provided with an open cavity, and one side of the open cavity is provided with another cavity, the radiator is disposed in the cavity of the opening, and the opening cavity and the radiation disposed in the open cavity
  • the antenna of the body may also be rectangular.
  • the antenna included in the terminal radiates energy in the range of 1710 Mhz to 2200 Mhz.
  • the extension of the support plate can be connected to the ground feed point of the terminal board, and the radiator is connected to the signal feed point of the terminal board.
  • the support plate may be an aluminum-magnesium alloy, a zinc alloy or a stainless steel material.
  • the extension of the support plate and the radiator may be connected to the ground feed point of the terminal board and the signal feed point of the terminal board through a pin or a reed, respectively.
  • the antenna provided by the embodiment of the invention not only can fully utilize the space inside the terminal, but also enables the user to ensure that the antenna is far away from the human body when using the terminal, and can reduce the SAR (Specific Absorption Rate) of the antenna and reduce When the terminal is in the state of use, the loss of the antenna efficiency can be improved in the overall efficiency of the antenna when the antenna provided by the embodiment of the present invention is combined with the self-contained antenna of the terminal.
  • SAR Specific Absorption Rate

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Telephone Set Structure (AREA)

Abstract

La présente invention concerne une antenne et un terminal, ladite antenne comprenant : l'antenne est formée d'une plaque de support dans le terminal, ou une partie étendue de la plaque de support, et un radiateur, la plaque de support étant raccordée à une plaque principale du terminal, et la partie étendue de la plaque de support étant utilisée pour former, avec le radiateur, une source de couplage, la partie étendue de la plaque de support étant une partie s'étendant au-delà de la position de mise en prise de la plaque de support et du boîtier de terminal.
PCT/CN2014/093262 2014-06-20 2014-12-08 Antenne et terminal WO2015192614A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14895302.9A EP3159963B1 (fr) 2014-06-20 2014-12-08 Antenne et terminal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410281059.2A CN105281014B (zh) 2014-06-20 2014-06-20 一种天线及终端
CN201410281059.2 2014-06-20

Publications (1)

Publication Number Publication Date
WO2015192614A1 true WO2015192614A1 (fr) 2015-12-23

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Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/CN2014/091184 WO2015192594A1 (fr) 2014-06-20 2014-11-14 Antenne et terminal
PCT/CN2014/093262 WO2015192614A1 (fr) 2014-06-20 2014-12-08 Antenne et terminal

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/CN2014/091184 WO2015192594A1 (fr) 2014-06-20 2014-11-14 Antenne et terminal

Country Status (3)

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EP (1) EP3159963B1 (fr)
CN (1) CN105281014B (fr)
WO (2) WO2015192594A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019029478A1 (fr) * 2017-08-07 2019-02-14 Oppo广东移动通信有限公司 Plaque arrière, boîtier avant et dispositif électronique
CN107394354B (zh) * 2017-08-07 2020-06-23 Oppo广东移动通信有限公司 背板、前壳以及电子设备
CN108023611B (zh) * 2017-12-01 2020-04-10 Oppo广东移动通信有限公司 天线切换方法、装置、存储介质及电子设备
CN107979387A (zh) * 2017-12-01 2018-05-01 广东欧珀移动通信有限公司 天线切换方法、装置、存储介质及电子设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102299417A (zh) * 2011-06-10 2011-12-28 哈尔滨工业大学 小型化pifa可重构天线装置
CN103036004A (zh) * 2011-10-07 2013-04-10 和硕联合科技股份有限公司 天线模块与应用其的电子装置
CN103620867A (zh) * 2011-07-18 2014-03-05 索尼爱立信移动通讯有限公司 具有金属背板和耦合馈电元件的多频带无线终端以及相关多频带天线系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101879705B1 (ko) * 2012-01-18 2018-07-18 삼성전자주식회사 휴대용 단말기의 안테나 장치
CN103441329B (zh) * 2013-08-21 2017-03-01 深圳汉阳天线设计有限公司 智能手机lcd金属板辐射天线

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102299417A (zh) * 2011-06-10 2011-12-28 哈尔滨工业大学 小型化pifa可重构天线装置
CN103620867A (zh) * 2011-07-18 2014-03-05 索尼爱立信移动通讯有限公司 具有金属背板和耦合馈电元件的多频带无线终端以及相关多频带天线系统
CN103036004A (zh) * 2011-10-07 2013-04-10 和硕联合科技股份有限公司 天线模块与应用其的电子装置

Also Published As

Publication number Publication date
CN105281014B (zh) 2019-05-10
WO2015192594A1 (fr) 2015-12-23
EP3159963B1 (fr) 2021-01-20
CN105281014A (zh) 2016-01-27
EP3159963A1 (fr) 2017-04-26
EP3159963A4 (fr) 2017-07-05

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