CN105576346A - Broken board antenna structure for trace-free mobile phone - Google Patents
Broken board antenna structure for trace-free mobile phone Download PDFInfo
- Publication number
- CN105576346A CN105576346A CN201610036758.XA CN201610036758A CN105576346A CN 105576346 A CN105576346 A CN 105576346A CN 201610036758 A CN201610036758 A CN 201610036758A CN 105576346 A CN105576346 A CN 105576346A
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- China
- Prior art keywords
- mobile phone
- pcb board
- antenna
- cabling
- antenna structure
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- 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.)
- Pending
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—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
- H01Q1/12—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
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephone Set Structure (AREA)
- Support Of Aerials (AREA)
Abstract
The invention provides a broken board antenna structure for a trace-free mobile phone. The broken board antenna structure comprises a first PCB and a second PCB, wherein the first PCB and the second PCB are associated with each other through line arrangement, slot coupling or coaxial line feeding connection and the like; the first PCB is grounded; and a metal part on the second PCB is taken as an antenna radiation body and is connected with a signal transceiver. By a broken board structure for the PCBs of the mobile phone, coated copper on the PCBs of the mobile phone and metal regions on components are taken as the antenna radiation bodies; an antenna trace does not need to arrange; and the antenna with the form is low in height demand, and has the advantages of high low-frequency bandwidth and high efficiency. Aiming at a light and thin mobile phone, the antenna form of the broken board mobile phone free of the trace can greatly reduce the development period and cost. The antenna structure is easy to achieve in technology; a printed antenna or a spring plate is not needed; the efficiency is improved; the cost is reduced; meanwhile, the adjustment flexibility is high; and debugging of the mobile phone form can be achieved through reasonably adjusting the component positions, the battery position and the matching position.
Description
Technical field
The present invention relates to field of antenna, more specifically, relate to and a kind of to break plate antenna structure without cabling mobile phone.
Background technology
Along with the development of radio communication, higher requirement is all proposed to the mobile phone beamwidth of antenna and efficiency.Traditional mobile phone cabling PIFA, built-in Monopole etc., needing to rely on mobile phone provides larger headroom or higher height could realize the higher efficiency of antenna cabling and bandwidth.Meanwhile, instantly lightening to mobile phone in order to meet people, large-screen, the requirements such as multi-modulation scheme, mobile phone headroom is little, and mobile phone height is not enough, and mainboard environment is poor; These all constrain cabling antenna for mobile phone efficiency and bandwidth improves further, and also make the more and more difficult debugging of mobile phone cabling, the antenna for mobile phone R&D cycle extends day by day.
Interior of mobile phone pcb board on market generally can adopt mainboard to add platelet or the C monoblock pcb board round battery.Tradition cabling is mainly walked on little board mount.Need between mainboard and platelet to be connected to each other by FPC winding displacement and coaxial connector, then connect main antenna by the shell fragment on platelet.This infrastructure cost is higher, and processed complex, need multiple working procedure.Pcb board upper surface in mobile phone is used to integrated welding chip, and the complete attached copper in the PCB back side is as PCB ground.Traditional cabling antenna for mobile phone, cabling is a radiation arm of antenna, is another radiation arm PCB.Wire antenna walked by traditional mobile phone needs multiple shell fragment pin, and by techniques such as FPC, LDS, antenna is worked on a specific support, and therefore traditional as seen mobile phone is walked wire antenna and not only researched and developed difficulty, and design technology requires high, and flow process is many.
Headroom size and mobile phone head room determine efficiency and the bandwidth limit of conventional mobile phone cabling to a great extent.Headroom is less, insufficient height, causes adopting traditional antenna cabling form to be difficult to break through the limit of bandwidth sum efficiency.
Traditional antenna connects main antenna by the shell fragment on pcb board, and the technique of main antenna can be copper splinter, FPC, LDS, double-colored annotation etc.Polytechnic adding all can produce cost increase, the increase of production cycle.
Mobile phone PCB form becomes more diversified respectively, the form of a main flow mainboard+platelet, its tangible PCB break plate segmentation on increasingly flexible.Due in mobile phone R&D process, communication antenna assesses deficiency early stage, fails fully to emulate and realistic simulation, comprise antenna composition, the PCB ground optimum utilization of electromagnetic radiation and the selection etc. of antenna load point do not reach best, cause the PCB plate that breaks unreasonable, limit the performance of antenna for mobile phone.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to provide and a kind ofly utilizes the metallic member that Mobile phone PCB covers copper part and components and parts to break plate antenna structure without cabling mobile phone as radiant body.
For solving the problems of the technologies described above, technical scheme provided by the invention is:
A kind of to break plate antenna structure without cabling mobile phone, comprise the first pcb board and the second pcb board that are connected by winding displacement, described first pcb board backplate ground connection and draw earth connection, the backplate of the second pcb board draws feed line as antenna radiator, is connected to mobile phone signal sending and receiving end transmit antenna signal after described earth connection and feed line collect.
On described first pcb board and the second pcb board, the metallic region of each components and parts is simultaneously as aerial radiation structure.
The backplate of described first pcb board and the second pcb board covers copper.
Signal transmitting and receiving end is connected to by radio frequency seat after described earth connection and feed line collect.
Thimble is increased or shell fragment is fixed between described first pcb board and earth connection and between the second pcb board and earth connection.
Also connected as ground connection distributing point by sheet metal between described first pcb board and the second pcb board.
Described second pcb board more disconnected plate is two antenna radiators.
The input of described second pcb board is provided with match bit.
Also comprise the ground plate be laid on bottom battery of mobile phone.
Also comprise the metal key-press being located at mobile phone side.
Compared with prior art, tool of the present invention has the following advantages:
The invention provides and a kind of to break plate antenna structure without cabling mobile phone, utilize the disconnected plate structure of Mobile phone PCB, Mobile phone PCB will cover metallic region on copper and components and parts as antenna radiator, without the need to arranging antenna cabling, the antenna height of this form requires low, low-frequency band is wide again simultaneously, the advantage that efficiency is high.For light and thin type mobile phone, the disconnected wrench machine antenna form without the need to cabling is adopted can greatly to reduce R&D cycle and cost.Technique easily realizes, without the need to printed antenna, and access shell fragment, improve efficiency, reduce cost.Simultaneously flexible adjustment is high, can be realized the debugging of this handset formats by reasonable adjusting component locations and battery location and match bit.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention 1 structural representation.
Fig. 2 is the embodiment of the present invention 2 structural representation.
Fig. 3 embodiment 1 antenna return loss distribution map.
Fig. 4 is the embodiment of the present invention 1 passive efficiency resolution chart.
Fig. 5 is the embodiment of the present invention 2 antenna return loss distribution map.
Fig. 6 is the embodiment of the present invention 2 antenna passive efficiency resolution chart
Wherein, 1 is the first pcb board, and 2 is the second pcb board, and 3 is battery of mobile phone, and 4 is coaxial line, and 5 is match bit, and 6 is metal key-press, and 8 is sheet metal.
Embodiment
The present invention to be explained in further detail below in conjunction with accompanying drawing and embodiment for the ease of it will be appreciated by those skilled in the art that.
embodiment 1
As shown in Figure 1, a kind of to break plate antenna structure without cabling mobile phone, propose a new antenna for mobile phone way of realization, without the need to additionally adopting FPC, metal clips etc. are as the major part of antenna cabling.Pay attention to communication antenna assessment in early stage, especially USB position, SPEAKER, rigidity volume equal distribution.Abundant emulation and actual assessment template die are intended.Without the need to adopting mobile phone cabling.But two PCBA break, plate ground can be equivalent to dipole(dipole) the two-arm radiation fin of antenna.
Present embodiment discloses the another kind of execution mode of the plate antenna structure that to break without cabling mobile phone, antenna basic comprising is that two PCB break plate, i.e. the first pcb board 1 and the second pcb board 2, first pcb board is connected by coaxial line 4 with the second pcb board, wherein the second pcb board is connected to signal transmitting and receiving end by the core part of coaxial line, and the metal skin part of coaxial line is the first pcb board ground connection.Also comprise the ground plate be laid under battery of mobile phone 3, by covering PEC material or other metallic plate makes ground plate strengthen under battery, effectively can regulate the resonance of antenna like this, improving antenna performance, described first pcb board and the second pcb board are arranged around battery of mobile phone, first pcb board and the second pcb board are as the composition structure of antenna, wherein the first pcb board ground connection, second pcb board is as radiant body and connection signal sending and receiving end, by existing pcb board covers copper partial earthing, part is as antenna radiator, and the metallic region of each components and parts on pcb board is also regulated antenna performance as radiant body simultaneously, coupling gap is formed between first pcb board and the second pcb board, also comprise the metal key-press being arranged at mobile phone side, the present embodiment adopts steel disc button, regulated by the position of button and the length of button back steel disc and can expand antenna high frequency bandwidth, can arrange match bit 5 on the first pcb board and the second pcb board, the present embodiment adds match bit on radio frequency seat side simultaneously.Further adjustment antenna match, substantially increases the flexibility of Antenna Design.This antenna form, because cabling is wider, and on increase floor, battery place, can obtain the efficiency that wider bandwidth sum is higher.
Fig. 3 is the return loss of the present embodiment antenna for mobile phone, realizes matched well at LTE band antenna, can find out this entire physical broader bandwidth, better performances.
Fig. 4 is the passive efficiency resolution chart of the present embodiment antenna for mobile phone, in LTE frequency range, the efficiency of this antenna substantially all arrives 50%, and this shows that this antenna form has good radiation characteristic, especially low-frequency range 700-960MHz frequency range, efficiency is compared traditional antenna cabling instantly and is wanted desirable many.
Test can be found out, this beamwidth of antenna is very wide, and cover all channels of 4G communication, efficiency is higher.
Shown by above data, this antenna form, without the need to cabling, realizes simple, is with wide efficiency high, completely covers 4G communication frequency band.In technique, because this does not need antenna cabling, not only reduce cost, and simplify manufacturing procedure.
embodiment 2
The present embodiment is another execution mode of the plate antenna structure that breaks without cabling mobile phone of the present invention, basic structure is consistent with structure described by embodiment 1, adds ground connection feed metal structure as the sheet metal of ground connection feed or metal connector 8 unlike the present embodiment between the first pcb board and the second pcb board.Be increase a current path between the first pcb board and the second pcb board, antenna performance is optimized more.
Fig. 5 is the return loss of this antenna for mobile phone the present embodiment, realizes matched well at LTE band antenna, can find out this entire physical broader bandwidth, better performances.
Fig. 6 is the passive efficiency resolution chart of the present embodiment antenna for mobile phone, and in LTE frequency range, the efficiency of this antenna substantially all arrives 50%, and this shows that this antenna form has good radiation characteristic.
In antenna structure described in above-described embodiment 1,2, also can by the second pcb board disconnected plate again, namely one have three disconnected plates, wherein multiple disconnected plate is as antenna radiator.
Be more than wherein specific implementation of the present invention, it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these apparent replacement forms all belong to protection scope of the present invention.
Claims (10)
1. one kind to break plate antenna structure without cabling mobile phone, comprise the first pcb board and the second pcb board that are connected by winding displacement, it is characterized in that: described first pcb board backplate ground connection and draw earth connection, the backplate of the second pcb board draws feed line as antenna radiator, is connected to mobile phone signal sending and receiving end transmit antenna signal after described earth connection and feed line collect.
2. according to claim 1ly to break plate antenna structure without cabling mobile phone, it is characterized in that: on described first pcb board and the second pcb board, the metallic region of each components and parts is simultaneously as aerial radiation structure.
3. according to claim 1ly to break plate antenna structure without cabling mobile phone, it is characterized in that: the backplate of described first pcb board and the second pcb board covers copper.
4. according to claim 1ly to break plate antenna structure without cabling mobile phone, it is characterized in that: after described earth connection and feed line collect, be connected to signal transmitting and receiving end by radio frequency seat.
5. according to claim 1ly to break plate antenna structure without cabling mobile phone, it is characterized in that: increase thimble between described first pcb board and earth connection and between the second pcb board and earth connection or shell fragment is fixed.
6. according to claim 1ly to break plate antenna structure without cabling mobile phone, it is characterized in that: also connected as ground connection distributing point by sheet metal between described first pcb board and the second pcb board.
7. according to claim 1ly to break plate antenna structure without cabling mobile phone, it is characterized in that: described second pcb board more disconnected plate is two antenna radiators.
8. according to claim 1ly to break plate antenna structure without cabling mobile phone, it is characterized in that: the input of described second pcb board is provided with match bit.
9. according to claim 1ly to break plate antenna structure without cabling mobile phone, it is characterized in that: also comprise the ground plate be laid on bottom battery of mobile phone.
10. according to claim 1ly to break plate antenna structure without cabling mobile phone, it is characterized in that: also comprise the metal key-press being located at mobile phone side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610036758.XA CN105576346A (en) | 2016-01-20 | 2016-01-20 | Broken board antenna structure for trace-free mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610036758.XA CN105576346A (en) | 2016-01-20 | 2016-01-20 | Broken board antenna structure for trace-free mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105576346A true CN105576346A (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610036758.XA Pending CN105576346A (en) | 2016-01-20 | 2016-01-20 | Broken board antenna structure for trace-free mobile phone |
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| Country | Link |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160096A (en) * | 2016-07-28 | 2016-11-23 | 广东欧珀移动通信有限公司 | Mobile terminal and charging device thereof |
| CN106160097A (en) * | 2016-07-28 | 2016-11-23 | 广东欧珀移动通信有限公司 | Mobile terminal and charging device thereof |
| CN107275779A (en) * | 2017-06-19 | 2017-10-20 | 惠州Tcl移动通信有限公司 | Mobile terminal method to set up prolongedly and with mobile terminal prolongedly |
| CN112054293A (en) * | 2020-10-21 | 2020-12-08 | 北京字节跳动网络技术有限公司 | Electronic device |
| CN115086461A (en) * | 2022-08-23 | 2022-09-20 | 荣耀终端有限公司 | Electronic device |
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| CN101291012A (en) * | 2007-04-19 | 2008-10-22 | Lg电子株式会社 | Mobile terminal having an improved internal antenna |
| JP2008263537A (en) * | 2007-04-13 | 2008-10-30 | Honda Motor Co Ltd | Circuit module for glass antenna and assembly method thereof |
| KR20090022470A (en) * | 2007-08-30 | 2009-03-04 | 엘지전자 주식회사 | Portable terminal |
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| US20140225806A1 (en) * | 2013-02-13 | 2014-08-14 | Gigalane Co., Ltd. | Terminal having hf transmission line using printed circuit board |
| CN204011681U (en) * | 2014-07-21 | 2014-12-10 | 北京百纳威尔科技有限公司 | A kind of antenna for mobile phone that strengthens signal |
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| JP2008263537A (en) * | 2007-04-13 | 2008-10-30 | Honda Motor Co Ltd | Circuit module for glass antenna and assembly method thereof |
| CN101291012A (en) * | 2007-04-19 | 2008-10-22 | Lg电子株式会社 | Mobile terminal having an improved internal antenna |
| KR20090022470A (en) * | 2007-08-30 | 2009-03-04 | 엘지전자 주식회사 | Portable terminal |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160096A (en) * | 2016-07-28 | 2016-11-23 | 广东欧珀移动通信有限公司 | Mobile terminal and charging device thereof |
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| CN106160096B (en) * | 2016-07-28 | 2019-02-15 | Oppo广东移动通信有限公司 | Mobile terminal and its charging unit |
| CN107275779A (en) * | 2017-06-19 | 2017-10-20 | 惠州Tcl移动通信有限公司 | Mobile terminal method to set up prolongedly and with mobile terminal prolongedly |
| CN112054293A (en) * | 2020-10-21 | 2020-12-08 | 北京字节跳动网络技术有限公司 | Electronic device |
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| CN115086461A (en) * | 2022-08-23 | 2022-09-20 | 荣耀终端有限公司 | Electronic device |
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Application publication date: 20160511 |