WO2021052052A1 - 一种移动终端 - Google Patents

一种移动终端 Download PDF

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Publication number
WO2021052052A1
WO2021052052A1 PCT/CN2020/107583 CN2020107583W WO2021052052A1 WO 2021052052 A1 WO2021052052 A1 WO 2021052052A1 CN 2020107583 W CN2020107583 W CN 2020107583W WO 2021052052 A1 WO2021052052 A1 WO 2021052052A1
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WO
WIPO (PCT)
Prior art keywords
conductor
frame
mobile terminal
metal
gap
Prior art date
Application number
PCT/CN2020/107583
Other languages
English (en)
French (fr)
Inventor
邹梦若
刘杰
潘永伟
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2021052052A1 publication Critical patent/WO2021052052A1/zh

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2258Supports; Mounting means by structural association with other equipment or articles used with computer equipment
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242Supports; 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/44Details 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/48Earthing means; Earth screens; Counterpoises
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/50Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/52Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/52Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/521Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/20Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
    • H01Q5/28Arrangements for establishing polarisation or beam width over two or more different wavebands
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30Arrangements for providing operation on different wavebands
    • H01Q5/307Individual or coupled radiating elements, each element being fed in an unspecified way

Definitions

  • This application relates to the technical field of mobile terminals, and in particular to a mobile terminal.
  • mobile terminal devices such as mobile phones and tablet computers generally have multiple wireless communication capabilities such as cellular communication, WiFi, and Bluetooth. Therefore, mobile terminal devices need to be equipped with multiple antennas or antennas with multiple resonance frequencies.
  • mobile terminal devices need to be equipped with multiple antennas or antennas with multiple resonance frequencies.
  • the design of using the metal frame of the mobile terminal as the antenna radiator is becoming more and more popular, and when it is specifically installed, one or more slots are often opened on the metal frame to form multiple antenna radiators.
  • the design can improve the isolation between the antennas, the setting of the gap will also destroy the continuity of the metal frame and reduce the strength of the metal frame.
  • This application provides a mobile terminal to ensure the impact resistance of the mobile terminal on the premise that the antenna performance of the mobile terminal can be improved.
  • the present application provides a mobile terminal.
  • the mobile terminal includes a metal frame, a filler, and a reinforcing plate.
  • the metal frame can double as the antenna radiator of the mobile terminal.
  • the metal frame includes the first frame ,
  • the first frame is provided with a first gap;
  • the reinforcing plate is arranged on the inner side of the first frame, and is set corresponding to the first gap on the first frame, so as to reinforce the slit area of the first frame;
  • the filler may include a first part filled in the first gap and a second part filled between the first frame and the reinforcing plate, and the metal segments on both sides of the first gap can be insulated by the first part
  • the connection is to ensure the continuity of the first frame and improve the strength of the metal frame.
  • the first frame and the reinforcing plate can be connected as a whole through the second part, thereby further improving the strength of the metal frame.
  • the gap can be opened on the first frame of the metal frame, and the reinforcement plate and the filling glue are used to make the first frame
  • the slit area is reinforced to ensure the impact resistance of the middle frame assembly and effectively use the huge space on the first frame, which helps to make the antenna of the mobile terminal cover more working frequency bands and improve the performance of the mobile terminal. Antenna performance.
  • the first gap When setting the opening position of the first gap, the first gap may be specifically opened in the center of the first frame or an area close to the center of the first frame, so as to further make full use of the space on the first frame.
  • the first slot can divide the metal frame into two metal segments on both sides of the metal frame, and at least one metal segment can be used to form an antenna radiator of the mobile terminal.
  • the two metal segments located on both sides of the first gap respectively include a first segment close to the first gap and a second segment away from the first gap.
  • the strong plate corresponds to the first segment of the two metal segments, so as to effectively reinforce the first frame.
  • the mobile terminal further includes a main board.
  • the main board is provided with a feeding point and a grounding point corresponding to each metal segment forming the antenna radiator, and the metal segment and the feeding line and the grounding line are respectively at the corresponding feeding point. It is electrically connected to the ground point.
  • the feeding point and the grounding point can be electrically connected to the second segment of the metal segment, respectively.
  • the mobile terminal When the second section of the metal segment is electrically connected to the feed point and the grounding point, the mobile terminal further includes a first conductor and a second conductor.
  • the first conductor is used to connect the second segment of the metal segment with the grounding point.
  • the feed point is electrically connected
  • the second conductor is used to electrically connect the second section of the metal segment with the ground point.
  • the two conductors may be in the form of conductive elastic pieces respectively.
  • the conductive elastic pieces include a first bending portion and a second bending portion connected to the first bending portion.
  • the included angle between the second bent portion and the second bent portion is less than 180 degrees; wherein the first bent portion of the first conductor is fixed to the inner wall of the second section, and the second bent portion of the first conductor faces away from the second section One side of the inner wall of the second conductor extends and is electrically connected to the feeding point; the first bent portion of the second conductor is fixed to the inner wall of the second section, and the second bent portion of the second conductor faces away from the inner wall of the second section One side extends and is electrically connected to the ground point.
  • the contact area is large, and the electrical connection is High reliability.
  • first bent portion of the first conductor and the inner wall of the second section can be fixedly connected by welding to achieve electrical conduction, and the first bent portion of the second conductor and the inner wall of the second section can also be welded The way is fixedly connected and electrical conduction is achieved.
  • the angle between the second bent portion of the first conductor and the first bent portion can be set to 90 degrees
  • the first bent portion of the first conductor can be arranged parallel to the first frame, and the second bent portion of the first conductor can be arranged parallel to the main board of the mobile terminal.
  • the first The second bent portion of the conductor and the feeding point on the main board can be connected with positive pressure, so the reliability of the electrical connection between the two can be significantly improved.
  • the angle between the second bent portion of the second conductor and the first bent portion can also be set to 90 degrees, and when the second conductor is fixed, the first bent portion of the second conductor can be The first frame is arranged in parallel, and the second bent portion of the second conductor is arranged parallel to the main board of the mobile terminal, so as to realize the positive pressure connection between the second bent portion of the second conductor and the ground point on the main board.
  • the filling compound also includes a third part and a fourth part, wherein the third part is arranged on one side of the second bending part of the first conductor so that the first conductor
  • the second bending part of the second conductor can be carried on the third part
  • the fourth part is arranged on one side of the second sheet of the second bending part, so that the second bending part of the second conductor can be carried on the fourth part ;
  • the feed point is positively connected to the side of the second bent portion of the first conductor away from the third part
  • the grounding point is positively connected to the side of the second bent portion of the second conductor away from the fourth part .
  • the material of the first conductor and the second conductor is not limited. Specifically, a metal material with good conductivity may be used, such as copper.
  • the first part, the second part, the third part, and the fourth part of the above-mentioned filler can be integrally injection molded to simplify the manufacturing process of the middle frame assembly.
  • the metal frame further includes a second frame, and the length of the second frame is less than the length of the first frame.
  • the second frame is also provided with The second gap.
  • the second frame may be specifically provided with two second gaps, and the two second gaps may be respectively arranged close to the two ends of the second frame, so as to reduce the influence on the strength of the metal frame.
  • FIG. 1 is a schematic diagram of the structure of a metal frame according to an embodiment of the application
  • Figure 2 is an enlarged view of A in Figure 1;
  • FIG. 3 is a schematic diagram of a partial structure of a frame assembly in an embodiment of the application.
  • FIG. 4 is a schematic diagram of a partial structure of a frame assembly in another embodiment of the application.
  • FIG. 5 is a partial cross-sectional view of the frame assembly at the first conductor in the embodiment of the application;
  • FIG. 6 is a partial cross-sectional view of the frame assembly at the second conductor in the embodiment of the application.
  • FIG. 7 is a schematic diagram of a partial structure of a filling glue according to an embodiment of the application.
  • FIG. 8 is a schematic diagram of a partial structure of a first frame according to an embodiment of the application.
  • 10-metal frame 11-first frame; 12-second frame; 13-metal section; 14-first gap; 15-second gap; 20-reinforcing plate; 131-first section; 132-second Two sections; 30-filling glue; 31-first part; 32-second part; 40-feeding point; 50-grounding point; 60-first conductor; 70-second conductor; 61-first bending part ; 62-second bending part; 33-third part; 34-fourth part; 80-metal substrate; 16-third gap; 35-fifth part.
  • the mobile terminal provided in the embodiment of the present application may be a common terminal such as a mobile phone, a tablet computer, or a notebook computer in the prior art.
  • Mobile terminals usually include a metal frame. When the metal frame is used as the antenna radiator of the mobile terminal, a gap is usually opened on the metal frame to isolate adjacent antenna radiators to reduce mutual interference between antennas. Will cause the strength of the metal frame to decrease.
  • the gap is usually only opened on the shorter pair of frames of the metal frame, and the longer pair of frames is not fully utilized, so what can be achieved
  • the number of openings is relatively small, and the number of antenna radiators formed by the metal frame is relatively small, which limits the working frequency band that the antenna of the mobile terminal can cover.
  • the embodiment of the present application provides a mobile terminal.
  • the metal frame of the mobile terminal is used to form the antenna radiator, the slot can be opened in the longer pair of the metal frame under the premise of ensuring the strength of the mobile terminal.
  • effective use of the huge space on the longer frame helps to make the antenna of the mobile terminal cover more working frequency bands and improve the antenna performance of the mobile terminal.
  • the inner side of a component can be understood as a side hidden inside the mobile terminal
  • the inner wall of a certain component can be understood as a wall hidden inside the mobile terminal
  • the back side of a certain component can be understood as The side facing away from the screen of the mobile terminal.
  • the metal frame 10 includes a pair of first frames 11 and a pair of second frames 12, wherein the first frame 11 is along a first direction (ie, the y direction) Extending, the second frame extends in the second direction (ie, the x direction), and the length of the first frame 11 is greater than the length of the second frame 12.
  • first direction is the length direction of the mobile terminal
  • second direction It is the width direction of the mobile terminal.
  • one or more slits may be opened on the metal frame 10, and these slits divide the metal frame 10 into two or more metal segments 13 spaced apart. 13 can be formed into an antenna radiator used to realize different operating frequency bands.
  • the above-mentioned gap that divides the metal frame 10 can be opened on the first frame 11 or on the second frame 12.
  • the gap of the frame 11 is called the first gap 14, and the gap opened in the second frame 12 is called the second gap 15.
  • a second gap 15 may be opened on one of the second frames 12 of the metal frame 10, or a second gap 15 may be opened on the two second frames 12 respectively, and refer to FIG. 1 as shown in FIG.
  • Each second frame 12 can be provided with two second slots 15 to further increase the number of metal segments 13 formed by the metal frame 10, thereby helping the antenna of the mobile terminal to cover more working frequency bands.
  • the two second gaps 15 can be respectively arranged near the two ends of the second frame 12, that is, the two second gaps 15 are respectively located near the two corners of the metal frame 10, and are The influence of intensity is relatively small.
  • the first slot 14 may be opened on only one first frame 11.
  • the first slits 14 can also be opened on the two first frames 11 respectively, and when set up, the first slits 14 can be specifically opened in the center of the first frame 11 or close to the first frame 11
  • the center of the first frame can be understood as a position on the first frame at the same distance from the second frames on two adjacent sides.
  • a first gap 14 is respectively opened on the two first frames 11, and two second gaps 15 are respectively opened on the two second frames 12, and the metal frame 10 is divided by these gaps.
  • the antenna of the mobile terminal can cover at least six working frequency bands, such as WiFi frequency band, GPS frequency band, LB/MB/HB frequency band , Etc., especially on the first frame, the metal segments located on both sides of the first slot can also be used as the antenna radiator of the 5G antenna, compared to the prior art design that only opens the slot on the second frame 12
  • the embodiments of the present application can greatly improve the wireless communication capability of the mobile terminal.
  • the mobile terminal further includes a reinforcing plate 20.
  • the reinforcing plate 20 is arranged on the inner side of the first frame 11, and is arranged corresponding to the area where the first gap 14 is opened on the first frame 11. Specifically, for the two pieces of metal located on both sides of the first gap 14. Segment 13, each metal segment 13 can be regarded as including a first segment 131 close to the first gap 14 and a second segment 132 away from the first gap 14.
  • the reinforcing plate 20 corresponds to the first segment 13 of each metal segment 13 A section 131 is provided to reinforce the slit area of the first frame 11.
  • the mobile terminal also includes a filler 30, which includes a first part 31 and a second part 32, wherein the first part 31 is filled in the first gap 14, and the second part 32 is filled Between the first frame 11 and the reinforcing plate 20.
  • a filler 30 which includes a first part 31 and a second part 32, wherein the first part 31 is filled in the first gap 14, and the second part 32 is filled Between the first frame 11 and the reinforcing plate 20.
  • the two metal segments 13 on both sides of the first slot 14 can be insulated and connected by the first part 31, which not only does not hinder the performance of the antenna, but also ensures the continuity of the first frame 11 and improves the metal
  • the strength of the frame 10; on the other hand, the first frame 11 and the reinforcing plate 20 can be connected as a whole through the second part 32, so that the impact strength of the metal frame 10 can be further improved.
  • the main board of the mobile terminal is also provided with a feeding point 40 corresponding to each segment of the metal segment 13 forming the antenna radiator.
  • the grounding point 50 the metal section 13 is electrically connected to the feeder line and the grounding line at the corresponding feeder point 40 and the grounding point 50, respectively.
  • the feeding point 40 and the grounding point 50 can be connected to the second section of the metal segment 13 respectively.
  • the segments 132 are electrically connected, and for the metal segment located on the second frame, the corresponding feeding point and grounding point can be directly connected to the two ends of the metal segment.
  • the following takes the metal segments located on both sides of the first gap as an example to specifically describe the electrical connection between the metal segment and the feeding point and the grounding point.
  • the mobile terminal also includes a first conductor 60 and a second conductor 70.
  • the metal segment 13 used to form the antenna radiator can pass through the first conductor 60 and the second conductor 70 and the feeding point, respectively. 40 and the ground point 50 are electrically connected.
  • one end of the first conductor 60 is electrically connected to the second section 132 of the metal section 13, and the other end is used to electrically connect to the feeding point 40 on the main board; similarly, one end of the second conductor 70 is electrically connected to the metal section.
  • the second section 132 of 13 is electrically connected, and the other end is used to electrically connect to the ground point 50 on the main board.
  • the first conductor 60 and the second conductor 70 can be made of a metal material with good conductivity, such as copper. With this design, the reliability of the electrical connection between the metal segment 13 and the feeding point 40 and the grounding point 50 can be ensured.
  • the antenna including the above-mentioned antenna radiator and the first conductor 60 and the second conductor 70 is in operation, the current flows from the feeder line to the feed point 40, and passes through the first conductor 60 at the feed point 40. It flows into the second section 132, and then flows from the second section 132 to the second conductor 70, and finally flows into the ground along the ground line at the ground point 50.
  • the two conductors can be arranged in various structures such as wires, flexible circuit boards, or printed metal layers according to the internal layout of the mobile terminal, as long as the metal section 13 can be connected to the main board.
  • the feeding point 40 and the grounding point 50 on the upper side can be electrically connected.
  • the two conductors may be in the form of a conductive elastic sheet having a bent structure, respectively, and the conductive elastic sheet may include a first bent portion 61 and a first bent portion 61.
  • the second bending portion 62 connected to the bending portion 61, the second bending portion 62 is bent relative to the first bending portion 61, that is, the angle between the first bending portion 61 and the second bending portion 62 is less than 180 degrees
  • the first bent portion 61 of the first conductor 60 is fixed to the inner wall of the second section 132, and the second bent portion 62 of the first conductor 60 extends toward the side away from the inner wall of the second section 132
  • the second bent portion 62 of the first conductor 60 is used for electrical connection with the feeding point 40; similarly, the first bent portion 61 of the second conductor 70 is fixed to the inner wall of the second section 132, and the second conductor 70
  • the second bent portion 62 also extends toward the side away from the inner wall of the second segment, and the second bent portion 62 of the second conductor 70 is used for electrical connection with the ground point 50.
  • first bent portion 61 of the first conductor 60 and the second segment 132 can be connected by welding, and the two are connected by a surface, and the contact area is large, so the reliability is high;
  • first bent portion 61 of the second conductor 70 and the second segment 132 can also be connected by welding, and the connection form is also a surface connection, which has high reliability.
  • the second bending portion 62 of the first conductor 60 can be combined with the first bending portion 62 of the first conductor 60.
  • the angle between the parts 61 is set to 90 degrees, and when the first conductor 60 is fixed, the first bent part 61 of the first conductor 60 can be arranged parallel to the first frame, and the second conductor 60
  • the bent portion 62 is arranged in parallel with the main board of the mobile terminal. In this way, the second bent portion 62 of the first conductor 60 and the feeding point 40 on the main board can be positively connected, so that the electrical connection between the two can be significantly improved. Connection reliability.
  • the angle between the second bent portion 62 of the second conductor 70 and the first bent portion 61 can also be set to 90 degrees, and when the second conductor 70 is fixed, the angle between The first bent portion 61 of the second conductor 70 is arranged in parallel with the first frame, while the second bent portion 62 of the second conductor 70 is arranged in parallel with the main board of the mobile terminal to realize the second bent portion of the second conductor Positive pressure connection with the ground point 50 on the main board.
  • the third portion 33 and the fourth portion 34 of 70 wherein the third portion 33 is provided on one side of the second bent portion 62 of the first conductor 60 to support the second bent portion 62 of the first conductor 60
  • the fourth portion 34 is disposed on one side of the second bent portion 62 of the second conductor 70 to support the second bent portion 62 of the second conductor 70.
  • the second bent portion 62 of the first conductor 60 can be carried on the third portion 33, and the feeding point 40 is positively connected to the side of the second bent portion 62 of the first conductor 60 away from the third portion 33.
  • the contact reliability is high; the second bent portion 62 of the second conductor 70 can be carried on the fourth portion 34, and the ground point 50 and the second bent portion 62 of the second conductor 70 are away from the side of the fourth portion 34 Positive pressure connection, high contact reliability.
  • the mobile terminal may also include a metal substrate, the metal substrate is disposed on the back side of the metal frame, and the metal substrate is connected to the two first frames and the two second frames respectively.
  • a hole-shaped or slot-shaped structure for mounting certain components of the mobile terminal may be formed on the substrate, and these components may be batteries, camera modules, or circuit boards.
  • gaps should also be provided between these metal segments 13 and the metal substrate 80 to avoid the metal substrate 80 from pairing with each other.
  • the performance of the antenna produces interference.
  • this slot the third slot 16.
  • the filler also includes a fifth part 35 filled in the third gap 16. It should be noted that each part of the filler can be integrally molded to simplify the middle frame assembly. Craftsmanship.
  • the third part 33 and the fourth part 34 filled with glue can be respectively disposed on the metal substrate 80.
  • the third part 33 and the fourth part 34 can not only affect the first conductor 60 and The second conductor 70 is reliably supported, and the feeding point 40 and the grounding point 50 can be isolated from the metal substrate 80, ensuring the antenna clearance area, and therefore, the antenna performance can be greatly improved.
  • the slot can be opened on the longer first frame of the metal frame, and the reinforcing plate and the filler Reinforcing the slit area of the first frame can not only ensure the impact resistance of the middle frame assembly, but also effectively use the huge space on the first frame, which helps to make the antenna of the mobile terminal cover more working frequency bands. , Improve the antenna performance of the mobile terminal.

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

Abstract

本申请提供了一种移动终端,以在可以提高移动终端的天线性能的前提下,保证移动终端的抗冲击强度。移动终端包括金属边框、填充胶以及补强板,其中:金属边框包括第一边框,第一边框上开设有第一缝隙;补强板与第一缝隙对应设置,补强板设置于第一边框的内侧;填充胶包括第一部分和第二部分,第一部分用于填充于第一缝隙,第二部分填充于第一边框和补强板之间。

Description

一种移动终端
相关申请的交叉引用
本申请要求在2019年09月18日提交中国专利局、申请号为201910883062.4、申请名称为“一种移动终端”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及移动终端技术领域,尤其涉及到一种移动终端。
背景技术
随着移动终端技术日新月异的发展,手机、平板电脑等移动终端设备一般都具备蜂窝通信、WiFi、蓝牙等多种无线通信能力,因此移动终端设备需要配置多根天线或者具备多个谐振频率的天线,以覆盖多种无线通信的工作频段。现有技术中,利用移动终端的金属边框作为天线辐射体的设计越来越普及,并且具体设置时,金属边框上往往会开设有一条或多条缝隙以形成多个天线辐射体,采用这种设计,尽管可以提高天线之间的隔离度,但是缝隙的设置也会破坏金属边框的连续性,降低金属边框的强度。
发明内容
本申请提供了一种移动终端,用以在可以提高移动终端的天线性能的前提下,保证移动终端的抗冲击强度。
第一方面,本申请提供了一种移动终端,该移动终端包括金属边框、填充胶以及补强板,其中,金属边框可兼作移动终端的天线辐射体,具体设置时,金属边框包括第一边框,该第一边框上开设有第一缝隙;补强板设置于第一边框的内侧,并且与第一边框上的第一缝隙对应设置,以对第一边框的开缝区域进行补强;在具体设置填充胶时,填充胶可包括填充于第一缝隙内的第一部分以及填充于第一边框和补强板之间的第二部分,通过第一部分可以将第一缝隙两侧的金属段绝缘连接,以保证第一边框的连续性,提高金属边框的强度,同时,通过第二部分可以将第一边框和补强板连接为一个整体,从而可以进一步提高金属边框的强度。
在本申请实施例提供的中框组件中,利用金属边框形成移动终端的天线辐射体时,可以将缝隙开设于金属边框的第一边框上,并且通过补强板和填充胶对第一边框的开缝区域进行补强,从而既可以保证中框组件的抗冲击强度,又能有效利用第一边框上的巨大空间,有助于使移动终端的天线覆盖更多的工作频段,提高移动终端的天线性能。
在设置第一缝隙的开设位置时,具体可以将第一缝隙开设于第一边框的中心或者靠近第一边框的中心的区域,以进一步充分利用第一边框上的空间。
在一个具体的实施方案中,第一缝隙可将金属边框分割为位于其两侧的两段金属段,至少一段金属段可用于形成移动终端的天线辐射体。
具体设置补强板的位置时,对于位于第一缝隙两侧的两段金属段,该两段金属段分别包括靠近第一缝隙的第一分段和远离第一缝隙的第二分段,补强板即对应该两段金属段的 第一分段设置,从而有效地对第一边框进行补强。
在一个具体的实施方案中,移动终端还包括主板,主板上对应每段形成天线辐射体的金属段设置有馈电点和接地点,金属段与馈电线和接地线分别在对应的馈电点和接地点电连接。对于位于第一缝隙两侧的金属段,馈电点和接地点可分别与金属段的第二分段电连接。
在将金属段的第二分段与馈电点和接地点电连接时,移动终端还包括第一导体和第二导体,具体设置时,第一导体用于将金属段的第二分段与馈电点电连接,第二导体用于将金属段的第二分段与接地点电连接。采用这种设计,可以保证金属段与馈电线和接地线之间的电连接可靠性。
在具体设置第一导体和第二导体,两个导体可以分别为导电弹片形式,导电弹片包括第一折弯部和与该第一折弯部连接的第二折弯部,第一折弯部和第二折弯部之间的夹角小于180度;其中,第一导体的第一折弯部固定于第二分段的内壁,第一导体的第二折弯部朝向远离第二分段的内壁的一侧延伸并与馈电点电连接;第二导体的第一折弯部固定于第二分段的内壁,第二导体的第二折弯部朝向远离第二分段的内壁的一侧延伸并与接地点电连接。在该方案中,第一导体的第一折弯部与第二分段之间、第二导体的第一折弯部与第二分段之间均为面连接,接触面积较大,电连接可靠性较高。
第一导体的第一折弯部与第二分段的内壁具体可通过焊接的方式固定连接并实现电气导通,第二导体的第一折弯部与第二分段的内壁也可通过焊接的方式固定连接并实现电气导通。
此外,为了进一步提高第一导体的第二折弯部与馈电点的电连接可靠性,可以将第一导体的第二折弯部与其第一折弯部之间的夹角设置为90度,并且在固定第一导体时,可以使第一导体的第一折弯部与第一边框平行设置,同时使第一导体的第二折弯部与移动终端的主板平行设置,这样,第一导体的第二折弯部与主板上的馈电点就可实现正压连接,因此可以显著提高两者之间的电连接可靠性。
类似地,第二导体的第二折弯部与其第一折弯部之间的夹角也可以设置为90度,并且在固定第二导体时,可以使第二导体的第一折弯部与第一边框平行设置,同时使第二导体的第二折弯部与移动终端的主板平行设置,以实现第二导体的第二折弯部与主板上的接地点的正压连接。
为了提高第一导体和第二导体的结构稳定性,填充胶还包括第三部分和第四部分,其中,第三部分设置于第一导体的第二折弯部的一侧,使第一导体的第二折弯部可承载于第三部分上,第四部分设置于第二折弯部的第二片体的一侧,使第二导体的第二折弯部可承载于第四部分上;这时,馈电点与第一导体的第二折弯部背离第三部分的一侧正压连接,接地点与第二导体的第二折弯部背离第四部分的一侧正压连接。
第一导体和第二导体的材质不限,具体可采用导电性良好的金属材质,例如铜。此外,上述填充胶的第一部分、第二部分、第三部分以及第四部分可以采用一体注塑成型,以简化中框组件的制作工艺。
在一个具体的实施方案中,金属边框还包括第二边框,该第二边框的长度小于第一边框的长度,为了使移动终端的天线能够覆盖更多的工作频段,该第二边框还开设有第二缝隙。具体设置时,第二边框具体可以开设两条第二缝隙,该两条第二缝隙可分别靠近第二边框的两端设置,以减小对金属边框的强度的影响。
附图说明
图1为本申请实施例金属边框的结构示意图;
图2为图1中A处的放大图;
图3为本申请一实施例中框组件的局部结构示意图;
图4为本申请另一实施例中框组件的局部结构示意图;
图5为本申请实施例中框组件在第一导体处的局部剖视图;
图6为本申请实施例中框组件在第二导体处的局部剖视图;
图7为本申请实施例填充胶的局部结构示意图;
图8为本申请实施例第一边框的局部结构示意图。
附图标记:
10-金属边框;11-第一边框;12-第二边框;13-金属段;14-第一缝隙;15-第二缝隙;20-补强板;131-第一分段;132-第二分段;30-填充胶;31-第一部分;32-第二部分;40-馈电点;50-接地点;60-第一导体;70-第二导体;61-第一折弯部;62-第二折弯部;33-第三部分;34-第四部分;80-金属基板;16-第三缝隙;35-第五部分。
具体实施方式
为了使本申请的目的、技术方案和优点更加清楚,下面将结合附图对本申请作进一步地详细描述。
为了方便理解本申请实施例提供的移动终端,下面首先说明一下其应用场景。本申请实施例提供的移动终端可以为现有技术中的手机、平板电脑或者笔记本电脑等常见终端。移动终端通常包括金属边框,在利用金属边框作为移动终端的天线辐射体时,通常会在金属边框上开设缝隙将相邻的天线辐射体隔离,以降低天线之间的相互干扰,但是开设缝隙又会导致金属边框的强度降低。现有技术中,为了减小缝隙对金属边框的强度的影响,往往只将缝隙开设于金属边框的较短的一对边框上,较长的一对边框则得不到充分利用,因此所能开设的缝隙的数量相对较少,金属边框所形成的天线辐射体的数量也相对较少,限制了移动终端的天线所能覆盖的工作频段。基于此,本申请实施例提供了一种移动终端,在利用该移动终端的金属边框形成天线辐射体时,可以在保证移动终端的强度的前提下将缝隙开设于金属边框的较长的一对边框上,有效利用较长的边框上的巨大空间,有助于使移动终端的天线覆盖更多的工作频段,提高移动终端的天线性能。
首先对本申请实施例中涉及到的与方位相关的名词概念进行简单说明。在本申请实施例中,某一部件的内侧可以理解为隐藏在移动终端内部的一侧,某一部件的内壁则可以理解为隐藏在移动终端内部的壁面,某一部件的背侧可以理解为背向移动终端的屏幕的一侧。
参考图1所示,在本申请实施例提供的移动终端中,金属边框10包括一对第一边框11以及一对第二边框12,其中,第一边框11沿第一方向(即y方向)延伸,第二边框沿第二方向(即x方向)延伸,并且第一边框11的长度大于第二边框12的长度,可以理解的,上述第一方向即为移动终端的长度方向,第二方向则为移动终端的宽度方向。在利用该金属边框10作为移动终端的天线辐射体时,金属边框10上可开设有一条或多条缝隙,这些缝隙将金属边框10分割为相间隔的两段或多段金属段13,这些金属段13即可形成为用于实现不同工作频段的天线辐射体。
具体设置时,请继续参考图1所示,上述将金属边框10分割的缝隙既可开设于第一边框11上,也可开设于第二边框12上,为了方便描述,我们把开设于第一边框11的缝隙称为第一缝隙14,把开设于第二边框12的缝隙称为第二缝隙15。在本申请实施例中,可以在金属边框10的其中一条第二边框12上开设第二缝隙15,也可以在两条第二边框12上分别开设第二缝隙15,并且,参考图1所示,每条第二边框12上可分别开设两条第二缝隙15,以进一步增加金属边框10所形成的金属段13的数量,从而有助于使移动终端的天线覆盖更多的工作频段。具体实施时,该两条第二缝隙15可分别靠近第二边框12的两端设置,也就是说,两条第二缝隙15分别位于金属边框10的两个边角附近,对金属边框10的强度的影响相对较小。
对于对金属边框10的整体强度影响较大的两条第一边框11,在开设第一缝隙14时,可以只在一条第一边框11上开设第一缝隙14,当然,为了使移动终端的天线能够覆盖更多的工作频段,也可以在两条第一边框11上分别开设第一缝隙14,并且在设置时,第一缝隙14具体可开设于第一边框11的中心或者靠近第一边框11的中心的区域,以拉开与前述第二缝隙15的距离。其中,第一边框的中心可以理解为第一边框上与相邻两侧的第二边框距离相等的位置。
参考图1所示的实施例,两条第一边框11上分别开设有一条第一缝隙14,两条第二边框12上分别开设有两条第二缝隙15,通过这些缝隙将金属边框10分割为了六段金属段13,若将这六段金属段13分别作为移动终端的天线辐射体,则移动终端的天线至少可覆盖六种工作频段,如WiFi频段、GPS频段、LB/MB/HB频段,等等,尤其是在第一边框上,位于第一缝隙两侧的金属段,还可用作5G天线的天线辐射体,相比现有技术中只在第二边框12上开设缝隙的设计,本申请实施例可极大地提高移动终端的无线通信能力。
以其中一条开设有第一缝隙14的第一边框11为例,为了保证该第一边框11的强度,参考图2和图3所示,在本申请实施例中,移动终端还包括补强板20,该补强板20设置于第一边框11的内侧,并对应第一边框11上开设有第一缝隙14的区域设置,具体来说,对于位于第一缝隙14的两侧的两段金属段13,可以把每段金属段13看成包括靠近第一缝隙14的第一分段131和远离第一缝隙14的第二分段132,补强板20即对应每段金属段13的第一分段131设置,从而对第一边框11的开缝区域进行补强。
请继续参考图2和图3所示,移动终端还包括填充胶30,填充胶30包括第一部分31和第二部分32,其中,第一部分31填充于第一缝隙14内,第二部分32填充于第一边框11和补强板20之间。采用这种设计,一方面,通过第一部分31可以将第一缝隙14两侧的两段金属段13绝缘连接,这样既不妨碍天线的性能,又可保证第一边框11的连续性,提高金属边框10的强度;另一方面,通过第二部分32可以将第一边框11和补强板20连接为一个整体,从而可以进一步提高金属边框10的抗冲击强度。
在将金属段13所形成的天线辐射体与移动终端的主板的馈电线和接地线分别电连接时,移动终端的主板上对应每段形成天线辐射体的金属段13还设置有馈电点40和接地点50,金属段13与馈电线和接地线分别在对应的馈电点40和接地点50电连接。具体设置时,对于位于第一缝隙两侧的金属段13,由于金属段的第一分段被补强板20所覆盖,因此馈电点40和接地点50可以分别与金属段13的第二分段132电连接,而对于位于第二边框上的金属段,与之对应的馈电点和接地点则可直接连接于金属段的两端。下面以位于第一缝隙两侧的金属段为例具体说明金属段与馈电点和接地点的电连接方式。
请结合图4和图5所示,移动终端还包括第一导体60和第二导体70,用于形成天线辐射体的金属段13可分别通过第一导体60和第二导体70与馈电点40和接地点50电连接。具体设置时,第一导体60的一端与金属段13的第二分段132电连接,另一端用于与主板上的馈电点40电连接;类似地,第二导体70的一端与金属段13的第二分段132电连接,另一端用于与主板上的接地点50电连接。其中,第一导体60和第二导体70可采用导电性良好的金属材质,例如铜。采用这种设计,可以保证金属段13与馈电点40以及接地点50之间的电连接可靠性。在该实施例中,包含有上述天线辐射体以及第一导体60和第二导体70的天线在工作时,电流从馈电线流到馈电点40,并在馈电点40通过第一导体60流入第二分段132,进而由第二分段132流到第二导体70,最后在接地点50沿接地线流入地。
在具体设置第一导体60和第二导体70时,两个导体可以根据移动终端的内部布置,采用导线、柔性电路板或者印刷的金属层等多种结构形式,只要能够将金属段13与主板上的馈电点40和接地点50电连接即可。参考图5和图6所示,在本申请的一个具体实施例中,两个导体可以分别采用具有折弯结构的导电弹片的形式,导电弹片可包括第一折弯部61和与第一折弯部61连接的第二折弯部62,第二折弯部62相对第一折弯部61折弯,即第一折弯部61与第二折弯部62之间的夹角小于180度,这时,第一导体60的第一折弯部61固定于第二分段132的内壁,第一导体60的第二折弯部62朝向远离第二分段132的内壁的一侧延伸,第一导体60的第二折弯部62用于与馈电点40电连接;类似地,第二导体70的第一折弯部61固定于第二分段132的内壁,第二导体70的第二折弯部62同样朝向远离第二分段的内壁的一侧延伸,第二导体70的第二折弯部62用于与接地点50电连接。在该实施例中,第一导体60的第一折弯部61与第二分段132之间可通过焊接连接,并且两者之间为面连接,接触面积较大,因此可靠性较高;同理,第二导体70的第一折弯部61与第二分段132之间也可通过焊接连接,连接形式同样为面连接,可靠性较高。
此外,为了进一步提高第一导体60的第二折弯部62与馈电点的电连接可靠性,参考图5所示,可以将第一导体60的第二折弯部62与其第一折弯部61之间的夹角设置为90度,并且在固定第一导体60时,可以使第一导体60的第一折弯部61与第一边框平行设置,同时使第一导体60的第二折弯部62与移动终端的主板平行设置,这样,第一导体60的第二折弯部62与主板上的馈电点40就可实现正压连接,因此可以显著提高两者之间的电连接可靠性。类似地,参考图6所示,第二导体70的第二折弯部62与其第一折弯部61之间的夹角也可以设置为90度,并且在固定第二导体70时,可以使第二导体70的第一折弯部61与第一边框平行设置,同时使第二导体70的第二折弯部62与移动终端的主板平行设置,以实现第二导体的第二折弯部与主板上的接地点50的正压连接。
在上述实施例中,为了提高第一导体60和第二导体70的结构稳定性,参考图5、图6和图7所示,填充胶30还包括分别对应于第一导体60和第二导体70的第三部分33和第四部分34,其中,第三部分33设置于第一导体60的第二折弯部62的一侧,以对第一导体60的第二折弯部62进行支撑,第四部分34设置于第二导体70的第二折弯部62的一侧,以对第二导体70的第二折弯部62进行支撑。这样,第一导体60的第二折弯部62可承载于第三部分33上,馈电点40则与第一导体60的第二折弯部62背离第三部分33的一侧正压连接,接触可靠性高;第二导体70的第二折弯部62可承载于第四部分34上, 接地点50则与第二导体70的第二折弯部62背离第四部分34的一侧正压连接,接触可靠性高。
值得一提的是,在本申请实施例中,移动终端还可以包括金属基板,金属基板设置于金属边框的背侧,且金属基板分别与两条第一边框和两条第二边框连接,金属基板上可形成有用于安装移动终端的某些元器件的孔形或者槽形结构,这些元器件可以为电池、摄像头模块或者电路板等。可以理解的,参考图5、图6和图8所示,对于用于形成天线辐射体的金属段13,这些金属段13与金属基板80之间也应当设置有缝隙,以避免金属基板80对天线的性能产生干扰,为便于区分,我们把该缝隙称为第三缝隙16。这时,为了保证金属边框的结构强度,填充胶还包括填充于第三缝隙16内的第五部分35,需要说明的是,填充胶的各个部分可以采用一体注塑成型,以简化中框组件的制作工艺。
当移动终端还包括金属基板80时,填充胶的第三部分33和第四部分34可分别设置于金属基板80上,这样,第三部分33和第四部分34不仅可以对第一导体60和第二导体70可靠支撑,还可以将馈电点40和接地点50与金属基板80隔离,保证了天线的净空区,因此可以极大地提高天线性能。
综上,在本申请实施例提供的移动终端中,利用金属边框形成移动终端的天线辐射体时,可以将缝隙开设于金属边框的较长的第一边框上,并且通过补强板和填充胶对第一边框的开缝区域进行补强,从而既可以保证中框组件的抗冲击强度,又能有效利用第一边框上的巨大空间,有助于使移动终端的天线覆盖更多的工作频段,提高移动终端的天线性能。
以上,仅为本申请的具体实施方式,但本申请的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本申请揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本申请的保护范围之内。因此,本申请的保护范围应以权利要求的保护范围为准。

Claims (10)

  1. 一种移动终端,其特征在于,所述移动终端包括金属边框、填充胶以及补强板,其中:
    所述金属边框包括第一边框,所述第一边框开设有第一缝隙;
    所述补强板与所述第一缝隙对应设置,所述补强板设置于所述第一边框的内侧;
    所述填充胶包括第一部分和第二部分,所述第一部分用于填充所述第一缝隙,所述第二部分填充于所述第一边框和所述补强板之间。
  2. 如权利要求1所述的移动终端,其特征在于,所述第一缝隙开设于靠近所述第一边框的中心的区域;或者,所述第一缝隙开设于所述第一边框的中心。
  3. 如权利要求1或2所述的移动终端,其特征在于,所述第一缝隙将所述金属边框分割为位于所述第一缝隙两侧的两段金属段,至少一段所述金属段用于形成所述移动终端的天线辐射体。
  4. 如权利要求3所述的移动终端,其特征在于,所述金属段包括靠近所述第一缝隙的第一分段和远离所述第一缝隙的第二分段,所述补强板对应每段所述金属段的第一分段设置。
  5. 如权利要求4所述的移动终端,其特征在于,所述移动终端还包括主板,所述主板上对应每段形成所述天线辐射体的所述金属段设置有馈电点和接地点,对于位于所述第一缝隙两侧的所述金属段,所述馈电点和所述接地点分别与所述金属段的所述第二分段电连接。
  6. 如权利要求5所述的移动终端,其特征在于,还包括第一导体和第二导体,所述第一导体用于将所述金属段的所述第二分段与所述馈电点电连接,所述第二导体用于将所述金属段的所述第二分段与所述接地点电连接。
  7. 如权利要求6所述的移动终端,其特征在于,所述第一导体和所述第二导体分别为导电弹片,所述导电弹片包括第一折弯部和第二折弯部,所述第一折弯部和所述第二折弯部之间的夹角小于180度;
    所述第一导体的第一折弯部固定于所述第二分段的内壁,所述第一导体的第二折弯部朝向远离所述第二分段的内壁的一侧延伸并与所述馈电点电连接;
    所述第二导体的第一折弯部固定于所述第二分段的内壁,所述第二导体的第二折弯部朝向远离所述第二分段的内壁的一侧延伸并与所述接地点电连接。
  8. 如权利要求7所述的移动终端,其特征在于,其特征在于,所述第一折弯部与所述第一边框平行设置,所述第二折弯部与所述主板平行设置。
  9. 如权利要求7所述的移动终端,其特征在于,所述填充胶还包括第三部分和第四部分;所述第三部分设置于所述第一导体的第二折弯部的一侧,所述第一导体的第二折弯部承载于所述第三部分上,所述馈电点与所述第一导体的第二折弯部背离所述第三部分的一侧电连接;
    所述第四部分设置于所述第二导体的第二折弯部的一侧,所述第二导体的第二折弯部承载于所述第四部分上,所述接地点与所述第二导体的第二折弯部背离所述第四部分的一侧电连接。
  10. 如权利要求1~9任一项所述的移动终端,其特征在于,所述金属边框还包括第二 边框,所述第二边框的长度小于所述第一边框的长度,所述第二边框开设有第二缝隙。
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