WO2017157346A1 - 金属终端后盖及终端 - Google Patents

金属终端后盖及终端 Download PDF

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Publication number
WO2017157346A1
WO2017157346A1 PCT/CN2017/077166 CN2017077166W WO2017157346A1 WO 2017157346 A1 WO2017157346 A1 WO 2017157346A1 CN 2017077166 W CN2017077166 W CN 2017077166W WO 2017157346 A1 WO2017157346 A1 WO 2017157346A1
Authority
WO
WIPO (PCT)
Prior art keywords
back cover
metal terminal
terminal back
bottom plate
micro
Prior art date
Application number
PCT/CN2017/077166
Other languages
English (en)
French (fr)
Inventor
王新宝
向胜昭
赵宁
顾亮
Original Assignee
广东欧珀移动通信有限公司
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
Application filed by 广东欧珀移动通信有限公司 filed Critical 广东欧珀移动通信有限公司
Priority to ES17765888T priority Critical patent/ES2767960T3/es
Priority to US15/752,741 priority patent/US10701195B2/en
Priority to EP17765888.7A priority patent/EP3333977B1/en
Publication of WO2017157346A1 publication Critical patent/WO2017157346A1/zh
Priority to US15/974,622 priority patent/US10205808B2/en

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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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0249—Details of the mechanical connection between the housing parts or relating to the method of assembly
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G06F1/1698—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being a sending/receiving arrangement to establish a cordless communication link, e.g. radio or infrared link, integrated cellular phone
    • 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
    • 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
    • H01Q1/12—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
    • H01Q1/36—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
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
    • H01Q5/335—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors at the feed, e.g. for impedance matching
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • 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
    • H04B1/3827—Portable transceivers
    • H04B1/3833—Hand-held transceivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0279—Improving the user comfort or ergonomics
    • H04M1/0283—Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/0086—Casings, cabinets or drawers for electric apparatus portable, e.g. battery operated apparatus
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/03—Covers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/04—Metal casings

Definitions

  • the present invention relates to the field of electronic devices, and in particular, to a metal terminal back cover and a terminal.
  • the metal back cover of the mobile phone is usually provided with two plastic isolation belts to divide the metal back cover into three metal parts, thereby utilizing the gap between the metal part and the metal part to improve the radio frequency efficiency of the antenna inside the mobile phone.
  • the metal portion of the metal back cover of the mobile phone has an increased requirement, resulting in a decrease in the proportion of the plastic spacer.
  • the proportion of the plastic isolation tape is reduced, the radio frequency efficiency of the antenna inside the mobile phone is reduced, which affects the user experience of the mobile phone.
  • the present invention provides a metal terminal back cover and terminal for improving user experience.
  • the invention provides a metal terminal back cover, wherein the metal terminal back cover comprises a bottom plate, the bottom plate is provided with at least one micro slit tape, and the micro slit tape is provided with a plurality of micro slits, the at least one micro slit
  • the strap separates the bottom plate from at least two radiating portions, at least one of which is used to access a matching circuit and emit electromagnetic waves.
  • the present invention further provides a terminal, wherein the terminal includes the metal terminal back cover according to any one of the above items, the terminal further includes a front cover and a main board, and the front cover is covered with the metal terminal back cover
  • the main board is fixed between the front cover and the metal terminal back cover, and the main board is provided with a matching circuit electrically connecting the radiation portion.
  • FIG. 1 is a schematic view of a metal terminal back cover of a first embodiment provided by the present invention
  • FIG. 2 is a schematic view of a metal terminal back cover according to a second embodiment of the present invention.
  • FIG. 3 is a schematic view of a metal terminal back cover according to a third embodiment of the present invention.
  • FIG 4 is another schematic view of the metal terminal back cover of the first embodiment provided by the present invention.
  • a metal terminal back cover 100 is provided.
  • the metal terminal back cover 100 includes a bottom plate 10 , and the bottom plate 10 is provided with at least one micro slit tape 20 , and the micro slit tape 20 is provided with A strip slit 21, the at least one microslit strip 20 separates the bottom plate 10 from at least two radiating portions 30, at least one of which is used to access the matching circuit 1 and emit electromagnetic waves.
  • the metal terminal back cover 100 is applied to the terminal, thereby protecting the terminal as the back cover of the terminal, and can cooperate with the display panel of the terminal to form the outer casing of the terminal.
  • the terminal may be a mobile phone, a tablet computer, a notebook computer, or the like.
  • At least one microslit tape 20 is disposed on the bottom plate 10 of the metal terminal back cover 100, and at least one of the microslit tapes 20 divides the bottom plate 10 into at least two radiating portions 30; a plurality of micro slits 21, thereby reducing the proportion of non-metallic portions on the metal terminal back cover 100; and using at least one of the radiation portions 30 to access the matching circuit 1 to achieve radiated electromagnetic waves; thereby making the metal terminal
  • the back cover 100 itself realizes the radio frequency of the antenna, thereby improving the radio frequency efficiency of the antenna, thereby improving the radio frequency efficiency of the antenna and improving the user experience while ensuring the overall appearance of the terminal.
  • the bottom plate 10 is a rectangular plate member.
  • the inner side of the bottom plate 10 can carry the internal motherboard and other functional components of the terminal, and protect the main board and functional components.
  • the microslit tape 20 may be formed by laser cutting.
  • the radiation portion 30 is a metal piece separated by the micro slit tape 20.
  • the radiating portion 30 of the access matching circuit 1 is provided with a feeding point 31 which is connected to the matching circuit 1 so that the radiating portion 30 receives a feeding signal, thereby causing the radiating portion 30 Electromagnetic waves are generated to form an antenna radio frequency.
  • the matching circuit 1 can be disposed on the terminal motherboard.
  • the matching circuit 1 adjusts the impedance matching of the radiating portion 30, thereby stabilizing the radio frequency signal of the radiating portion 30, and improving the radio frequency efficiency of the antenna.
  • the radiating portion 30 of the access matching circuit 1 is also connected to the radio frequency transceiver circuit 2.
  • the matching circuit 1 is located between the radio frequency transceiver circuit and the radiating portion 30.
  • a first embodiment is provided in which the bottom plate 10 is provided with one of the microslit strips 20.
  • the microslit tape 20 extends along the width direction of the bottom plate 10, and one of the micro slits
  • the belt 20 separates the bottom plate 10 from the two radiating portions 30.
  • the microslit tape 20 is adjacent to one side of the bottom plate 10 in the width direction.
  • the micro slit tape 20 may be located at the bottom end of the terminal, so that the matching circuit 1 is conveniently disposed at the bottom end of the terminal, and the matching circuit 1 is connected to the bottom of the terminal.
  • the radiating portion 30 further utilizes the bottom space of the terminal to reduce the thickness of the terminal.
  • the microslit strip 20 separates the bottom plate 10 from the first radiating portion 311 and the second radiating portion 312, and the area of the first radiating portion 311 is smaller than the area of the second radiating portion 312.
  • the first radiating portion 311 is connected to the matching circuit 1, and the second radiating portion 312 is isolated from the first radiating portion 311.
  • the first radiating portion 311 is located at the bottom of the terminal.
  • the first radiating portion 311 may be disposed at the top of the terminal; the second radiating portion 312 may also be connected to another matching circuit, so that the metal terminal back cover 100 realizes two radio frequency bands. Thereby increasing the antenna RF bandwidth; the microslit strip 20 can also extend along the length of the bottom plate 10.
  • a second embodiment is provided, which is substantially the same as the first embodiment, except that the bottom plate 10 is provided with two of the microslit strips 20.
  • the two microslit strips 20 are respectively adjacent to the two side edges in the width direction of the bottom plate 10.
  • the two micro slit tapes 20 separate the bottom plate 10 from the first radiation portion 321, the second radiation portion 322, and the third radiation portion 323 which are sequentially arranged.
  • the two microslit strips 20 are parallel to each other.
  • the first radiating portion 321 and the third radiating portion 323 are respectively connected to the first matching circuit 1a and the second matching circuit 1b.
  • the second radiating portion 322 is coupled to the first radiating portion 321 and the third radiating portion 323 such that the radio frequency band of the first radiating portion 321 is different from the radio frequency band of the third radiating portion 323. Also, the second radiating portion 322 may be grounded such that the second radiating portion 322 is coupled between the first radiating portion 321 and the third radiating portion 323, and the second radiating portion 322 also generates a radio frequency. In turn, the metal terminal back cover 100 can further generate a plurality of radio frequency bands, increase the radio frequency bandwidth, and improve the radio frequency efficiency.
  • the first radiating portion 321 may be provided with a grounding point isolated from the feeding point 31, and the grounding point turns on the grounding electrode, thereby causing the first radiating portion 321 The radio frequency bandwidth is increased; or the third radiating portion 323 is also grounded, that is, at least one of the at least two of the radiating portions 30 is grounded.
  • a third embodiment is provided, which is substantially the same as the first embodiment, except that the microslit tape 20 is circumferentially disposed in parallel with the bottom plate 10 in parallel.
  • the micro slit tape 20 separates the bottom plate 10 from the first radiation portion 331 located at the periphery and the second radiation portion located inside the first radiation portion 331 Part 332.
  • the first radiating portion 331 is connected to the matching circuit 1. Therefore, the first radiating portion 331 constitutes a loop antenna, and the metal terminal back cover 100 can realize transmission and reception of a special radio frequency band.
  • the metal strips between the two adjacent micro slits 21 in the microslit tape 20 constitute a circular line, and after the metal strip between the micro slits 21 is connected to the current, thereby a plurality of The metal strips may constitute a toroidal electromagnetic coil, thereby enabling the metal back cover 100 to achieve a close range radio frequency function, thereby further increasing the user experience.
  • a plurality of the micro slits 21 are arranged equidistantly, and a distance between two adjacent micro slits 21 is greater than a slit width of the micro slits 21 .
  • a ratio of a width between adjacent two of the micro slits 21 to a slit width of the micro slits is 1.5 to 2.0, so that the micro slits 21
  • the user is relatively small, and the user cannot distinguish the micro slits, and the entire strip improves the appearance of the metal terminal back cover 100.
  • the slit width of the micro slit 21 is 0.05 mm to 0.3 mm, and the number of the micro slits 21 is more than 5 to 10 strips.
  • the slit width of the micro slit 21 is ensured to be at least 0.05 mm, so that the micro slit 21 cannot be directly distinguished by the user, and the minimum radio frequency efficiency of the metal terminal back cover 100 is ensured.
  • the micro slit 21 The slit width is guaranteed to be at most 0.3 mm, so that the radio frequency efficiency of the metal terminal back cover 100 is improved.
  • the number of the micro slits 21 is controlled to a minimum of 5 to ensure the appearance requirement of the metal terminal back cover 100, and the number of the micro slits 21 is controlled to be 10 at most to improve the metal terminal.
  • the RF efficiency of the cover 100 The thickness of the bottom plate 10 is 0.5 mm to 1.5 mm, so that the thickness of the radiation portion 30 is controlled to be 0.5 mm to 1.5 mm, and the internal resistance resistance of the radiation portion 30 is controlled, thereby improving the radiation portion 30.
  • the feed performance is accessed to increase the RF efficiency of the metal terminal back cover 100.
  • the width of the microslit tape 20 is 1.5 mm to 5.0 mm, so that the microslit tape 20 occupies a small proportion of the entire metal terminal back cover 100, thereby improving the appearance effect of the metal terminal back cover 100.
  • the metal terminal back cover 100 further includes a peripheral frame 40 fixed to the periphery of the bottom plate 10 , and the micro slit tape 20 extends through the peripheral frame 40 .
  • the peripheral frame 40 is integrally provided with the bottom plate 10, and the peripheral frame 40 can protect the peripheral side of the terminal.
  • the microslit tape 20 is formed by sequentially cutting the peripheral frame 40 and the bottom plate 10 by laser, so that the microslit tape 20 forms a clearance area, thereby improving the radio frequency efficiency of the metal terminal back cover 100.
  • the metal terminal back cover 100 further includes a light transmissive non-signal shielding material completely filled in the micro slits 21.
  • a breathing light (not shown) is disposed inside the terminal corresponding to the micro slit tape 20, so that the light transmissive non-signal shielding material in the micro slit 21 can be transparent.
  • the light of the breathing lamp is passed, so that the user can breathe the light line from the outer tube of the metal terminal back cover 100, thereby understanding the operation of the terminal, improving the appearance of the terminal, and improving the user experience.
  • the light transmissive non-signal shielding material is made of a light guiding material, so that the microslit tape 20 is in the form of a light strip, thereby improving the appearance effect of the metal terminal back cover 100.
  • the conduction switch 33 turns off or turns on at least two of the radiation portions 30.
  • the conduction switch 33 is connected between the first radiation portion 311 and the second radiation portion 312.
  • both the first radiating portion 311 and the second radiating portion 312 are connected to a feeding signal, thereby
  • the metal terminal back cover 100 can realize the transmission and reception of the first preset frequency band; when the conduction switch 33 turns off the first radiation portion 311 and the second radiation portion 312, only the first radiation portion exists.
  • the 311 is connected to the feed signal, so that only the first radiating portion 311 generates a radio frequency, that is, the metal terminal back cover 100 can realize the transmission and reception of the second preset frequency band, and then the disconnection of the conductive switch 33 can be utilized. Turning on, thereby realizing the frequency selection function of the metal terminal back cover 100, further improving the user experience.
  • the present invention also provides a terminal (not shown), the terminal including the metal terminal back cover 100, the terminal further comprising a front cover (not shown) and a main board (not shown), the front cover and the front cover
  • the metal terminal back cover 100 is covered, and the main board is fixed between the front cover and the metal terminal back cover 100.
  • the main board is provided with a matching circuit electrically connecting the radiation portion 30.
  • the terminal can be a mobile phone, a tablet or a laptop.
  • the metal terminal back cover and the terminal of the present invention wherein at least one microslit tape is disposed on the bottom plate of the metal terminal back cover, and at least one of the micro slit tapes divides the bottom plate into at least two radiation portions;
  • the slit strip is provided with a plurality of micro slits, thereby reducing the proportion of the non-metallic portion on the back cover of the metal terminal; and using at least one of the radiating portions to access the matching circuit to realize radiating electromagnetic waves; thereby causing the metal terminal to The cover itself realizes the antenna radio frequency, thereby improving the radio frequency efficiency of the antenna, thereby improving the radio frequency efficiency of the antenna and improving the user experience while ensuring the overall appearance of the terminal.

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Telephone Set Structure (AREA)
  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)

Abstract

一种金属终端后盖（100）及终端，所述金属终端后盖（100）包括底板（10），所述底板（10）设有至少一个微缝带（20），所述微缝带（20）设有多条微缝（21），所述至少一个微缝带（20）将所述底板（10）分隔出至少两个辐射部（30），所述至少两个辐射部（30）其中至少一个用以接入匹配电路（1），并经所述匹配电路（1）接收馈电信号。利用所述微缝带（20）设置多条微缝（21），从而减小所述金属终端后盖（100）上非金属部分的占比；并利用所述至少一个辐射部（30）接入匹配电路（1），以实现辐射电磁波；从而使得所述金属终端后盖（100）本身实现天线射频，进而提高了天线射频效率，进而在保证了终端的整体外观要求下，又提高了天线射频效率，达到提高用户体验的效果。

Description

金属终端后盖及终端 技术领域
本发明涉及电子设备领域，尤其涉及一种金属终端后盖及终端。
背景技术
目前手机的金属后盖通常设有两条塑胶隔离带将金属后盖分隔成三段金属部，从而利用金属部与金属部之间的缝隙使得手机内部的天线射频效率提高。然而，随着用户对手机的外观要求越来越高，手机金属后盖的金属部分占比要求增大，从而导致塑胶隔离带的占比减小。在此种情况下，随着塑胶隔离带的占比减小，导致手机内部的天线射频效率随之降低，影响手机的用户体验。
发明内容
有鉴于此，本发明提供一种提高用户体验的金属终端后盖及终端。
本发明提供一种金属终端后盖，其中，所述金属终端后盖包括底板，所述底板设有至少一个微缝带，所述微缝带设有多条微缝，所述至少一个微缝带将所述底板分隔出至少两个辐射部，所述至少两个辐射部其中至少一个用以接入匹配电路，并发出电磁波。
本发明还提供一种终端，其中，所述终端包括上述任意一项所述的金属终端后盖，所述终端还包括前盖和主板，所述前盖与所述金属终端后盖相盖合，所述主板固定于所述前盖和所述金属终端后盖之间，所述主板设有电连接所述辐射部的匹配电路。
附图说明
为了更清楚地说明本发明的技术方案，下面将对实施方式中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明提供的第一实施例的金属终端后盖的示意图；
图2是本发明提供的第二实施例的金属终端后盖的示意图；
图3是本发明提供的第三实施例的金属终端后盖的示意图；
图4是本发明提供的第一实施例的金属终端后盖的另一示意图。
具体实施方式
下面将结合本发明实施方式中的附图，对本发明实施方式中的技术方案进行清楚、完整地描述。
请参阅图1，本发明提供的一种金属终端后盖100，所述金属终端后盖100包括底板10，所述底板10设有至少一个微缝带20，所述微缝带20设有多条微缝21，所述至少一个微缝带20将所述底板10分隔出至少两个辐射部30，所述至少两个辐射部30其中至少一个用以接入匹配电路1，并发出电磁波。可以理解的是，所述金属终端后盖100应用于终端中，从而作为终端的后盖，对终端进行保护，并可以与终端的显示面板相配合形成终端的外壳。所述终端可以是手机、平板电脑、笔记本电脑等。
通过所述金属终端后盖100的底板10上设置至少一个微缝带20，至少一个所述微缝带20将所述底板10分隔成至少两个辐射部30；利用所述微缝带20设置多条微缝21，从而减小所述金属终端后盖100上非金属部分的占比；并利用至少一个所述辐射部30接入匹配电路1，以实现辐射电磁波；从而使得所述金属终端后盖100本身实现天线射频，进而提高了天线射频效率，进而在保证了终端的整体外观要求下，又提高了天线射频效率，达到提高用户体验的效果。
具体的，所述底板10呈矩形板件。所述底板10内侧可以承载终端的内部主板和其他功能组件，并对主板和功能组件进行保护。所述微缝带20可以是采用激光切割而成。所述辐射部30是由所述微缝带20分隔而成的金属片。所述接入匹配电路1的辐射部30设有馈电点31，所述馈电点31连接所述匹配电路1，从而使得所述辐射部30接收馈电信号，从而使得所述辐射部30产生电磁波，进而形成天线射频。所述匹配电路1可以是设置于终端主板上。所述匹配电路1对所述辐射部30的阻抗匹配进行调节，从而使得所述辐射部30的射频信号稳定，提高天线射频效率。所述接入匹配电路1的辐射部30还接入有射频收发电路2。所述匹配电路1位于所述射频收发电路和所述辐射部30之间。
进一步地，请继续参考图1，提供第一实施例，所述底板10设置一个所述微缝带20。所述微缝带20沿所述底板10的宽度方向延伸，一个所述微缝 带20将所述底板10分隔出两个所述辐射部30。所述微缝带20靠近所述底板10宽度方向上的一个侧边。进而在所述金属终端后盖100应用于终端时，所述微缝带20可以位于终端的底端，从而方便在终端的底端设置所述匹配电路1，所述匹配电路1接入终端底部的所述辐射部30，进而充分利用终端的底部空间，减小终端厚度。具体的，所述微缝带20沿所述将所述底板10分隔出第一辐射部311和第二辐射部312，所述第一辐射部311面积小于所述第二辐射部312面积。所述第一辐射部311接入所述匹配电路1，所述第二辐射部312与所述第一辐射部311相隔离。在所述金属终端后盖100应用于终端时，所述第一辐射部311位于终端底部。在其他实施方式中，也可以将所述第一辐射部311设置于终端的顶部；所述第二辐射部312也可以接入另一匹配电路，从而使得金属终端后盖100实现两段射频频段，从而增加天线射频带宽；所述微缝带20还可以沿所述底板10的长度方向延伸。
请参考图2，提供第二实施例，与第一实施例大致相同，不同的是，所述底板10设置两个所述微缝带20。两个所述微缝带20分别靠近所述底板10宽度方向上的两个侧边。具体的，两个所述微缝带20将所述底板10分隔出依次排列的第一辐射部321、第二辐射部322和第三辐射部323。两个所述微缝带20相互平行。所述第一辐射部321和所述第三辐射部323分别接入有第一匹配电路1a和第二匹配电路1b。所述第二辐射部322与所述第一辐射部321和所述第三辐射部323相耦合，从而所述第一辐射部321的射频频段不同于所述第三辐射部323的射频频段。并且，所述第二辐射部322可以接地，从而所述第二辐射部322耦合于所述第一辐射部321和所述第三辐射部323之间，所述第二辐射部322也产生射频，进而使得所述金属终端后盖100可以进一步产生多个射频频段，增加射频带宽，提高射频效率。在其他实施方式中，还可以是所述第一辐射部321设有与所述馈电点31相隔离的接地点，所述接地点接通接地电极，进而使得所述第一辐射部321的射频带宽增加；或者是所述第三辐射部323也进行接地，即至少两个所述辐射部30其中至少一个接地。
请参考图3，提供第三实施例，与第一实施例大致相同，不同的是，所述微缝带20沿平行所述底板10周向呈环形设置。所述微缝带20将所述底板10分隔出位于周缘的第一辐射部331和位于所述第一辐射部331内侧的第二辐射 部332。所述第一辐射部331接入所述匹配电路1。从而所述第一辐射部331构成环形天线，所述金属终端后盖100可以实现特殊射频频段的收发。并且，所述微缝带20内的相邻两条所述微缝21之间的金属条构成环形线条，在对所述微缝21之间的金属条接入电流后，从而多条所述金属条可以构成环形电磁线圈，进而使得所述金属后盖100可以实现近距离射频功能，从而进一步增加用户体验。
进一步地，请参考图1，多条所述微缝21等距排列，相邻两条所述微缝21之间的距离大于所述微缝21的缝宽。具体的，在每一所述微缝带20中，相邻两条所述微缝21之间的宽度与所述微缝21的缝宽之比为1.5～2.0，从而使得所述微缝21占比较小，用户肉眼无法分辨所述微缝，进而整条提高所述金属终端后盖100的外观效果。
更为具体的，所述微缝21的缝宽为0.05mm～0.3mm，所述微缝21的数目大于5条～10条。利用所述微缝21的缝宽保证最小在0.05mm，使得所述微缝21无法被用户直接分辨出，并且保证所述金属终端后盖100最低的射频效率，相反地，所述微缝21的缝宽保证最大在0.3mm，使得所述金属终端后盖100的射频效率提高。同样，所述微缝21的数目最小控制在5条，以保证所述金属终端后盖100的外观要求，在所述微缝21的条数最大控制在10条，以提高所述金属终端后盖100的射频效率。所述底板10的厚度为0.5mm～1.5mm，从而使得所述辐射部30的厚度控制在0.5mm～1.5mm，进而所述辐射部30的内部电阻阻抗得到控制，进而提高所述辐射部30接入馈电性能，从而提高所述金属终端后盖100的射频效率。所述微缝带20的宽度为1.5mm～5.0mm，从而使得所述微缝带20占整个所述金属终端后盖100的比例较小，从而提高所述金属终端后盖100的外观效果。
进一步地，请继续参考图1，在第一实施例中，所述金属终端后盖100还包括固定于所述底板10周缘的周边框40，所述微缝带20贯穿所述周边框40。具体的，所述周边框40与所述底板10一体设置，所述周边框40可以对终端周侧进行保护。所述微缝带20通过激光依次切割所述周边框40和底板10而成，从而使得所述微缝带20形成净空区域，进而提高所述金属终端后盖100的射频效率。
进一步地，在第一实施例中，所述金属终端后盖100还包括完全填充于所述微缝21内的透光非信号屏蔽材料。在所述金属终端后盖100应用于终端时，所述终端内部对应所述微缝带20设置呼吸灯(未图示)，从而使得所述微缝21内的透光非信号屏蔽材料可以透过所述呼吸灯的光线，从而用户可以从所述金属终端后盖100的外部管呼吸灯光线，进而了解终端的运行情况，提高终端的外观效果，并且提高用户体验。较优地，所述透光非信号屏蔽材料采用导光材料，从而使得微缝带20呈现光带状，进而提高所述金属终端后盖100的外观效果。
进一步地，请参考图4，至少两个所述辐射部30之间连接有导通开关33，所述导通开关33断开或接通至少两个所述辐射部30。具体的，在第一实施例中，所述导通开关33连接于所述第一辐射部311和所述第二辐射部312之间。当所述导通开关33接通所述第一辐射部311和所述第二辐射部312时，所述第一辐射部311和所述第二辐射部312均接入馈电信号，从而所述金属终端后盖100可以实现第一预设频段的收发；当所述导通开关33断开所述第一辐射部311和所述第二辐射部312时，仅存在所述第一辐射部311接入馈电信号，从而仅存在所述第一辐射部311产生射频，即所述金属终端后盖100可以实现第二预设频段的收发进而可以利用所述导通开关33的断开或开启，从而实现所述金属终端后盖100的选频功能，进一步提高用户体验。
本发明还提供一种终端(未图示)，所述终端包括所述金属终端后盖100，所述终端还包括前盖(未图示)和主板(未图示)，所述前盖与所述金属终端后盖100相盖合，所述主板固定于所述前盖和所述金属终端后盖100之间，所述主板设有电连接所述辐射部30的匹配电路。可以理解的是，所述终端可以是手机、平板电脑或笔记本电脑。
本发明的金属终端后盖及终端，通过所述金属终端后盖的底板上设置至少一个微缝带，至少一个所述微缝带将所述底板分隔成至少两个辐射部；利用所述微缝带设置多条微缝，从而减小所述金属终端后盖上非金属部分的占比；并利用至少一个所述辐射部接入匹配电路，以实现辐射电磁波；从而使得所述金属终端后盖本身实现天线射频，进而提高了天线射频效率，进而在保证了终端的整体外观要求下，又提高了天线射频效率，达到提高用户体验的效果。
以上是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围。

Claims (20)

  1. 一种金属终端后盖，其特征在于，所述金属终端后盖包括底板，所述底板设有至少一个微缝带，所述微缝带由多条微缝构成，所述至少一个微缝带将所述底板分隔出至少两个辐射部，所述至少两个辐射部其中至少一个用以接入匹配电路，并经所述匹配电路接收馈电信号。
  2. 根据权利要求1所述的金属终端后盖，其特征在于，多条所述微缝等距排列。
  3. 根据权利要求2所述的金属终端后盖，其特征在于，相邻两条所述微缝之间的距离大于所述微缝的宽度。
  4. 根据权利要求3所述的金属终端后盖，其特征在于，所述微缝的宽度为0.05mm～0.3mm。
  5. 根据权利要求3所述的金属终端后盖，其特征在于，所述底板的厚度为0.5mm～1.5mm。
  6. 根据权利要求3所述的金属终端后盖，其特征在于，所述微缝带的宽度为1.5mm～5.0mm。
  7. 根据权利要求1～6任意一项所述的金属终端后盖，其特征在于，所述微缝带沿平行于所述底板的长度方向或宽度方向隔断所述底板。
  8. 根据权利要求7所述的金属终端后盖，其特征在于，所述底板设有两个所述微缝带，两个所述微缝带分别靠近所述底板长度方向上相对的两个侧边。
  9. 根据权利要求8所述的金属终端后盖，其特征在于，两个所述微缝带将所述底板分隔出依次排列的第一辐射部、第二辐射部和第三辐射部，所述第二辐射部与所述第一辐射部和所述第三辐射部相耦合，所述第一辐射部和所述第三辐射部分别接入有第一匹配电路和第二匹配电路。
  10. 根据权利要求9所述的金属终端后盖，其特征在于，所述第二辐射部接地。
  11. 根据权利要求1～6任意一项所述的金属终端后盖，其特征在于，所述微缝带沿平行于所述底板周向呈环形设置。
  12. 根据权利要求11所述的金属终端后盖，其特征在于，所述微缝带将所述底板分隔出位于周缘的第一辐射部，所述第一辐射部接入所述匹配电路， 所述第一辐射部构成环形天线。
  13. 根据权利要求11所述的金属终端后盖，其特征在于，所述微缝带内的相邻两条所述微缝之间的金属条构成环形线条，在对所述微缝之间的金属条接入电流后，多条所述金属条可以构成环形电磁线圈。
  14. 根据权利要求1～6任意一项所述的金属终端后盖，其特征在于，所述金属终端后盖还包括固定于所述底板周缘的周边框，所述微缝带贯穿所述周边框。
  15. 根据权利要求1～6任意一项所述的金属终端后盖，其特征在于，所述微缝带还包括完全填充于所述微缝内的非信号屏蔽材料。
  16. 根据权利要求1～6任意一项所述的金属终端后盖，其特征在于，所述接入匹配电路的辐射部设有馈电点，所述馈电点电连接所述匹配电路。
  17. 根据权利要求1～6任意一项所述的金属终端后盖，其特征在于，至少两个所述辐射部其中至少一个接地。
  18. 根据权利要求1～6任意一项所述的金属终端后盖，其特征在于，至少两个所述辐射部之间连接有导通开关，所述导通开关断开或接通至少两个所述辐射部。
  19. 根据权利要求18所述的金属终端后盖，其特征在于，所述金属终端后盖通过所述导通开关断开或接通至少两个所述辐射部辐射至少两个射频频段。
  20. 一种终端，其特征在于，所述终端包括权利要求1～9任意一项所述的金属终端后盖，所述终端还包括前盖和主板，所述前盖与所述金属终端后盖相盖合，所述主板固定于所述前盖和所述金属终端后盖之间，所述主板设有电连接所述辐射部的匹配电路。
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