CN109301447B - Terminal - Google Patents

Terminal Download PDF

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Publication number
CN109301447B
CN109301447B CN201811230272.5A CN201811230272A CN109301447B CN 109301447 B CN109301447 B CN 109301447B CN 201811230272 A CN201811230272 A CN 201811230272A CN 109301447 B CN109301447 B CN 109301447B
Authority
CN
China
Prior art keywords
terminal
signal transmission
transmission line
shielding
circuit board
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN201811230272.5A
Other languages
Chinese (zh)
Other versions
CN109301447A (en
Inventor
王义金
简宪静
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vivo Mobile Communication Co Ltd
Original Assignee
Vivo Mobile Communication Co Ltd
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 Vivo Mobile Communication Co Ltd filed Critical Vivo Mobile Communication Co Ltd
Priority to CN201811230272.5A priority Critical patent/CN109301447B/en
Publication of CN109301447A publication Critical patent/CN109301447A/en
Priority to PCT/CN2019/111368 priority patent/WO2020083075A1/en
Application granted granted Critical
Publication of CN109301447B publication Critical patent/CN109301447B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
    • 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
    • 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
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • 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
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/526—Electromagnetic shields
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them

Abstract

The invention provides a terminal, wherein a ground plate and a shielding case are arranged in the terminal, the shielding case is electrically connected with the ground plate, a radio frequency circuit board is arranged in the shielding case, a first radiation sheet arranged at an interval with the shielding case is also arranged in the terminal, and a signal transmission line for connecting the first radiation sheet and the radio frequency circuit board is also arranged in the terminal; the radio frequency circuit board, the signal transmission line and the first radiating sheet jointly form an antenna unit of the terminal. The embodiment of the invention utilizes the original shielding cover and the grounding plate in the terminal to connect the radio frequency circuit board in the shielding cover to the first radiating sheet which is arranged in the terminal and is separated from the shielding cover through the signal transmission line. Thus, the radio frequency circuit board, the signal transmission line and the first radiating sheet can form an antenna unit of the terminal. The terminal provided by the embodiment of the invention does not need to additionally allocate space to arrange the antenna unit, thereby saving the space occupation in the terminal.

Description

Terminal
Technical Field
The invention relates to the technical field of communication, in particular to a terminal.
Background
In order to optimize the communication function of the terminal, an antenna needs to be added in the terminal. At present, when an antenna is additionally arranged in a terminal, a complete antenna device is generally arranged at the head end or the tail end of the terminal and is arranged close to the surrounding area of the existing communication antenna, or the setting area of accessories such as a camera, an earphone and the like in the terminal is occupied, so that the antenna needs to occupy a larger space.
Therefore, the technical problem of large occupied space exists in the existing arrangement scheme of the antenna in the terminal.
Disclosure of Invention
The embodiment of the invention provides a terminal, which aims to solve the technical problem that the existing arrangement scheme of an antenna in the terminal occupies a large space.
In order to achieve the above object, the embodiments of the present invention provide the following specific schemes:
in a first aspect, an embodiment of the present invention provides a terminal, where a ground plate and a shielding cover are disposed in the terminal, the shielding cover is electrically connected to the ground plate, a radio frequency circuit board is disposed in the shielding cover, a first radiation sheet is disposed in the terminal at an interval from the shielding cover, and a signal transmission line is disposed in the terminal and connects the first radiation sheet and the radio frequency circuit board;
the radio frequency circuit board, the signal transmission line and the first radiating sheet jointly form an antenna unit of the terminal.
In the embodiment of the invention, the additional arrangement of the antenna is realized by utilizing the space of the shielding case of the terminal, the antenna does not need to be arranged by additionally distributing the space, and the space occupation in the terminal is saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a terminal according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another terminal according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another terminal according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another terminal according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another terminal according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of another terminal according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
Referring to fig. 1 and fig. 2, schematic structural diagrams of a terminal according to an embodiment of the present invention are provided. As shown in fig. 1 and fig. 2, in a terminal 100, a ground plate 110 and a shielding cover 120 are disposed in the terminal 100, the shielding cover 120 is electrically connected to the ground plate 110, a radio frequency circuit board 121 is disposed in the shielding cover 120, a first radiating patch 130 is disposed in the terminal 100 at an interval from the shielding cover 120, and a signal transmission line 140 is disposed in the terminal 100 and connects the first radiating patch 130 and the radio frequency circuit board 121;
the rf circuit board 121, the signal transmission line 140 and the first radiating plate 130 together form an antenna unit of the terminal 100.
In the terminal 100 provided in the embodiment of the present invention, the ground plate 110 and the shielding cover 120 are disposed inside, the shielding cover 120 is electrically connected to the ground plate 110, and the shielding cover 120 is disposed inside a radio frequency circuit board 121, where the radio frequency circuit board 121 is used for receiving and transmitting radio frequency signals. The shielding can 120 encloses the rf circuit board 121 in a shielding space to eliminate signal interference of other surrounding components.
In addition, a signal transmission line 140 and a first radiation piece 130 are disposed in the terminal 100, and the first radiation piece 130 is spaced apart from the shield case 120. One end of the signal transmission line 140 is connected to the signal transmission end of the radio frequency circuit board 121, and the other end of the signal transmission line 140 is connected to the first radiation plate 130.
Through the above arrangement, the radio frequency circuit board 121, the signal transmission line 140 and the first radiation piece 130 may jointly form an antenna unit of the terminal 100, a clearance space of the antenna unit is formed by the space between the first radiation piece 130 and the shielding case 120, the signal transmission line 140 and the first radiation piece 130 form a feed structure, and the radio frequency circuit board 121 can realize signal feeding through the feed structure and excite the first radiation piece 130 to communicate.
The terminal 100 provided in this embodiment may include, but is not limited to, any device having an antenna unit, such as a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal 100, a wearable device, and a pedometer, without limitation. The antenna unit provided in this embodiment may further control the radio frequency circuit board 121 to transmit a 5G signal with millimeter wave frequency.
Optionally, the shielding cover 120 and the ground plate 110 may be made of a metal material, and the bottom surface of the shielding cover 120 is electrically connected to the ground plate 110.
The signal transmission line 140 may be a flexible metal wire, or may be a structure such as a metal thimble capable of implementing a signal transmission function. The first radiation sheet 130 may be a flexible circuit board, or a conductive circuit manufactured by using a Print Direct Structuring (PDS) technology or a Laser Direct Structuring (LDS) technology.
In one embodiment, as shown in fig. 1 and 2, the first radiating patch 130 and the ground plate 110 are respectively disposed on two opposite sides of the shielding can 120.
The shield can 120 is a square housing, and the bottom surface of the shield can 120 is electrically connected to the ground plate 110. The first radiation pieces 130 may be disposed on the top surface of the shield cover 120 at intervals, or the first radiation pieces 130 may be spaced apart from the top surface of the shield cover 120.
In another specific embodiment, the terminal further comprises a back cover 150;
the first radiation sheet 130 is disposed on an inner wall of the back cover 150.
The terminal 100 is provided with a back cover 150, the back cover 150 is disposed on a side of the shielding can 120 away from the ground plate 110, and a gap exists between the back cover 150 and the ground plate 110. The back cover 150 is generally made of an insulating material, such as plastic, glass, or ceramic, so that the first radiating plate 130 can be attached to the inner wall of the back cover 150, thereby fixing the first radiating plate 130, and forming a clearance space of the antenna unit by using a gap between the back cover 150 and the shielding case 120.
In addition, a through hole 122 may be further formed on a surface of the shielding case 120 facing the first radiating patch 130, one end of the signal transmission line 140 is disposed in the shielding case 120, and the other end of the signal transmission line 140 passes through the through hole 122 and then is connected to the first radiating patch 130 outside the shielding case 120.
Thus, one end of the signal transmission line 140 is disposed in the shield case 120, the signal transmission line 140 directly extends from the through hole 122 of the shield case 120 and is connected to the first radiation piece 130, and the first radiation piece 130 is located outside the shield case 120. The signal transmission line 140 has simple routing and short transmission distance, and can reduce the feeder transmission path of the antenna unit to sufficiently reduce the path loss.
Further, as shown in fig. 2, the first radiating plate 130 is disposed parallel to the surface of the shielding case 120 with the through hole 122, and the signal transmission line 140 is perpendicular to the surface of the shielding case 120 with the through hole 122.
One surface of the shield cover 120 is formed with a through hole 122, the first radiation piece 130 is disposed parallel to the surface, and the signal transmission line 140 is perpendicular to the surface, wherein the surface of the shield cover 120 refers to a surface of the shield cover 120, which is close to the first radiation piece 130, among four surfaces. Thus, the height of the entire antenna unit can be less than or equal to 0.5 mm. At this time, the transmission path of the feeder line of the antenna unit is shortest, which can further reduce the path loss and improve the signal transmission efficiency.
In the terminal provided by the embodiment of the present invention, the radio frequency circuit board in the shielding cover is connected to the first radiation patch spaced from the shielding cover in the terminal through the signal transmission line by using the original shielding cover and the grounding plate in the terminal. Thus, the radio frequency circuit board, the signal transmission line and the first radiating sheet can form an antenna unit of the terminal. According to the terminal provided by the embodiment of the invention, the antenna unit is formed by the shielding cover which is inherent in the multiplexing terminal, and the antenna unit does not need to be arranged in an extra distribution space, so that the space occupation in the terminal is saved. In addition, the space of other communication antennas is not occupied, the influence on the communication quality of other communication antennas is avoided, the antenna design in the comprehensive screen era is facilitated, and the communication effect of the terminal in the 5G field is improved.
Referring to fig. 3 to 6, there are provided schematic structural diagrams of a terminal 100 according to another embodiment of the present invention. On the basis of the foregoing embodiments, the terminal 100 provided in this embodiment is provided with at least two antenna units to form an antenna array.
In the terminal 100 provided in this embodiment, at least two antenna units are arranged to form an antenna array, so as to increase a beam coverage of an antenna of the terminal 100 and improve the signal transmission efficiency of the terminal 100.
In one embodiment, the number of the shielding cases 120 is at least one, and at least one signal transmission line 140 of the antenna unit may be disposed in each shielding case 120.
Considering that the number of the shields 120 in each terminal is at least one, and the size and the number of the shields 120 in different terminals may be different, the scheme for forming the antenna array may also be different, which will be described in detail with reference to the embodiments shown in fig. 3 to 5.
In one embodiment, as shown in fig. 3 and 4, a shield 120 is disposed within the terminal 100, and at least two rf circuit boards 121 are disposed within the shield 120. At least two through holes 122 may be formed in the shielding cover 120, and each through hole 122 is provided with a first radiation plate 130 corresponding to the inner wall of the back cover 150.
At least two signal transmission lines 140 are provided in the terminal 100, and each signal transmission line 140 has one end connected to one of the rf circuit boards 121 in the shield case 120 and the other end connected to the corresponding first radiating plate 130 through one of the through holes 122. Thus, each rf circuit board 121, the signal transmission line 140 and the first radiating patch 130 form an antenna unit, and a plurality of antenna units share one shielding case 120 to form an antenna array.
In another embodiment, as shown in fig. 5 and 6, at least two shielding cases 120 are disposed in the terminal 100, and one rf circuit board 121 is disposed in each shielding case 120. A through hole 122 is formed on each of the shielding cases 120, and a first radiation piece 130 is disposed on the inner wall of the back cover 150 corresponding to the through hole 122 on the top surface of each of the shielding cases 120.
At least two signal transmission lines 140 are additionally arranged in the terminal 100, one end of each signal transmission line 140 is connected with the radio frequency circuit board 121 in one shielding case 120, and the other end of each signal transmission line 140 is connected to the corresponding first radiating patch 130 through one through hole 122. Thus, each rf circuit board 121, the signal transmission line 140 and the first radiating plate 130 form an antenna unit, each antenna unit uses one shielding case 120 separately, and a plurality of antenna units form an antenna array.
In other embodiments, the antenna array in the terminal 100 may be laid out in combination with the above two embodiments. For example, at least two shields 120 may be provided within the terminal 100, and the size of the shields 120 may be different. At least two antenna elements may be formed in one large-sized shield case 120, or one antenna element may be formed in one small-sized shield case 120. Other schemes for forming the antenna array in the terminal 100 are applicable to the embodiment, and are not limited.
According to the terminal provided by the embodiment of the invention, the antenna array of the terminal is formed by arranging at least two antenna units by utilizing a plurality of shielding cases in the terminal or one shielding case with a larger size. Therefore, the beam coverage of the terminal can be enlarged, and the signal transmission efficiency of the terminal can be improved. For a specific implementation process of the terminal provided in the embodiment of the present invention, reference may be made to the specific implementation process of the terminal provided in the above embodiment, which is not described in detail herein.
On the basis of the above embodiments, as shown in fig. 1, fig. 3 and fig. 5, a second radiation sheet 160 may be further disposed on the outer wall of the back cover 150;
the second radiation sheet 160 is disposed at a position corresponding to the first radiation sheet 130.
In this embodiment, the second radiation sheet 160 is additionally provided, and the second radiation sheet 160 is disposed on the outer wall of the back cover 150 such that the disposed position of the second radiation sheet 160 corresponds to the disposed position of the first radiation sheet 130, for example, the second radiation sheet 160 is disposed toward the first radiation sheet 130. The second radiation plate 160 serves as a retractor of the antenna unit, effectively increasing the bandwidth of the antenna unit. Specifically, the second radiation sheet 160 may be a flexible circuit board, or a conductive circuit manufactured by using a direct planar printing technology or a laser direct structuring technology.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (7)

1. A terminal is characterized in that a ground plate and a shielding cover are arranged in the terminal, the shielding cover is electrically connected with the ground plate, a radio frequency circuit board is arranged in the shielding cover, a first radiation piece arranged at an interval with the shielding cover is further arranged in the terminal, and a signal transmission line for connecting the first radiation piece and the radio frequency circuit board is further arranged in the terminal;
the radio frequency circuit board, the signal transmission line and the first radiating sheet jointly form an antenna unit of the terminal;
the back cover, first radiation piece set up in on the inner wall of back cover, just first radiation piece with the ground plate set up respectively in the relative both sides of shield cover, be provided with the second radiation piece on the outer wall of back cover, the position that sets up of second radiation piece with the position that sets up of first radiation piece is corresponding, the second radiation piece orientation first radiation piece sets up.
2. The terminal of claim 1, wherein a through hole is opened on a surface of the shielding case facing the first radiating patch, one end of the signal transmission line is disposed in the shielding case, and the other end of the signal transmission line passes through the through hole and then is connected to the first radiating patch outside the shielding case.
3. The terminal of claim 2, wherein the first radiating patch is disposed parallel to a surface of the shield housing with the through hole, and the signal transmission line is perpendicular to the surface of the shield housing with the through hole.
4. A terminal according to claim 1, characterized in that at least two antenna elements are arranged in the terminal to form an antenna array.
5. A terminal according to claim 4, wherein the number of the shielding cases is at least one, and each shielding case is provided with at least one signal transmission line corresponding to the antenna unit.
6. A terminal according to claim 1, characterized in that the first and/or second radiating patches are flexible circuit boards or conductive tracks made using direct planar printing techniques or laser direct structuring techniques.
7. A terminal according to claim 1, characterized in that the height of the antenna element is less than or equal to 0.5 mm.
CN201811230272.5A 2018-10-22 2018-10-22 Terminal Active CN109301447B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201811230272.5A CN109301447B (en) 2018-10-22 2018-10-22 Terminal
PCT/CN2019/111368 WO2020083075A1 (en) 2018-10-22 2019-10-16 Terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811230272.5A CN109301447B (en) 2018-10-22 2018-10-22 Terminal

Publications (2)

Publication Number Publication Date
CN109301447A CN109301447A (en) 2019-02-01
CN109301447B true CN109301447B (en) 2023-01-24

Family

ID=65158403

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811230272.5A Active CN109301447B (en) 2018-10-22 2018-10-22 Terminal

Country Status (2)

Country Link
CN (1) CN109301447B (en)
WO (1) WO2020083075A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109301447B (en) * 2018-10-22 2023-01-24 维沃移动通信有限公司 Terminal
CN110673164B (en) * 2019-09-16 2021-11-16 Tcl移动通信科技（宁波）有限公司 Mobile terminal

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070010300A1 (en) * 2005-07-08 2007-01-11 Hongxi Xue Wireless transceiving module with modularized configuration and method thereof
CN101369684B (en) * 2008-09-19 2012-08-08 江苏安特耐科技有限公司 Quaternionic notch antenna
JP2010245895A (en) * 2009-04-07 2010-10-28 Toshiba Corp Mobile terminal
CN102110875B (en) * 2010-12-21 2013-12-18 东莞市晖速天线技术有限公司 Mobile communication base station and wideband dual-polarization vibrator thereof
CN102123523A (en) * 2011-02-24 2011-07-13 宇龙计算机通信科技(深圳)有限公司 Mobile terminal
CN103872435B (en) * 2014-03-26 2016-05-25 广州泽歌通信科技有限公司 A kind of broadband radiation unit and antenna for base station
CN104282989A (en) * 2014-10-28 2015-01-14 成都龙腾中远信息技术有限公司 Double-antenna shielding structure
CN105206932A (en) * 2015-09-17 2015-12-30 成都汇丁科技有限公司 Double-inverted F antenna shielding structure
CN108321533A (en) * 2018-01-17 2018-07-24 广东欧珀移动通信有限公司 Circuit board and electronic device
CN109301447B (en) * 2018-10-22 2023-01-24 维沃移动通信有限公司 Terminal

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WO2020083075A1 (en) 2020-04-30
CN109301447A (en) 2019-02-01

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