CN106571512A - Communication device - Google Patents
Communication device Download PDFInfo
- Publication number
- CN106571512A CN106571512A CN201510657141.5A CN201510657141A CN106571512A CN 106571512 A CN106571512 A CN 106571512A CN 201510657141 A CN201510657141 A CN 201510657141A CN 106571512 A CN106571512 A CN 106571512A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- communicator
- antenna element
- printed circuit
- edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- H01Q1/36—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
- 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
- Support Of Aerials (AREA)
- Telephone Set Structure (AREA)
Abstract
The disclosure provides a communication device comprising a housing, a system circuit board, and an antenna element. The metal surface of the housing is located on the back surface of the housing. The edge of the metal surface is aligned with the edge of the back surface. The antenna element comprises a metal sheet and a printed circuit board. The metal sheet is located on the side surface of the housing, is separated from the metal surface and extends along the edge of the metal surface. The edge of the metal sheet and the edge of the metal surface are separated by a non-conductive section. The printed circuit board includes a circuit. The printed circuit board has a first connection point and a second connection point, wherein the first connection point is coupled to a signal source and the second connection point is coupled to the metal sheet to be used as a feed-in point of the antenna element. The printed circuit board has a vertical projection on the metal surface, and the vertical projection is completely inside the metal surface. The metal housing of the communication device does not need to be provided with any non-metallic antenna window, and the metal surface of the communication device does not need to be provided with any slots to form a structure such as a slot antenna.
Description
Technical field
The present invention with regard to a kind of communicator, especially in regard to a kind of flat board communicator with metal shell
And its antenna element.Aforementioned flat board communicator may include smart mobile phone or panel computer etc..
Background technology
With the fast development of mobile communication technology, various communication products continuously emerge, wherein, with movement
Communicator, for example：Smart mobile phone and panel computer etc. are the most popular.For these mobile communications devices
For, external form is frivolous to have become a fashion trend, and the aesthetic in appearance of device, the robustness of device
Increasingly paid attention to by consumer.Therefore, how to design mobile communication with metal shell and frivolous
Device, and suitable for the antenna element of such communicator, it has also become the one of antenna designers is big now
Challenge.
Approximately, the be intended to problem for overcoming of conventional art is essentially consisted in：How the metal of communicator is made
It is not required to dispose nonmetallic antenna windows on shell.Design without antenna windows can make communicator have relatively beautification
External form.
The content of the invention
It is an object of the invention to design a kind of communicator with metal shell (for example：Smart mobile phone,
Or panel computer etc.) and its antenna element, and good communication quality is provided.
In the preferred embodiment, the present invention provides a kind of communicator, including：One shell, including a gold medal
Category face, wherein metal covering are located on a backside surface of shell, and an edge of metal covering is aligned in the back side
One edge on surface；One system circuit board, including a ground plane；And an antenna element, including：One
Sheet metal, in a side edge surface of the shell, is separated with metal covering, and along the side of metal covering
Edge is made to extend, and the wherein edge of sheet metal and metal covering is by being separated between a nonconductive regions；And one print
Printed circuit board, including a circuit, wherein printed circuit board (PCB) have one first junction point and one second junction point,
First junction point is coupled to a signal source, and the second junction point is coupled to sheet metal and as the one of antenna element
First load point, printed circuit board (PCB) have a upright projection on metal covering, and upright projection is fully located at
The inside of metal covering.
The antenna element of the present invention is formed by sheet metal and printed circuit board (PCB), and wherein sheet metal is a radiation
Element, and printed circuit board (PCB) includes a circuit (for example：One adjustment circuit or a match circuit).In some realities
Apply in example, the circuit of printed circuit board (PCB) includes at least one passive component, wherein passive component is used
In the impedance matching of adjustment antenna element, to increase the operation frequency range of antenna element.In certain embodiments,
If impedance matching is adjusted using passive component, antenna element can cover a first band and one
Two frequency bands.In certain embodiments, aforementioned first band is between 824MHz to 960MHz, with
It is adapted to cover GSM (Global System for Mobile Communications) 850, GSM900 frequency bands
And LTE (Long Term Evolution) 8 frequency band of Band 5 and Band；And aforementioned second band between
Between 1710MHz to 2690MHz, to cover LTE and WWAN (Wireless Wide Area Network)
Associated frequency band operation.
In certain embodiments, aforementioned circuit also includes an active circuit elements (for example：One switching circuit).
For example, active circuit elements can switch in the catch cropping of different induction element, to change the total inductance value of circuit.
This kind of design in the case where sheet metal overall dimensions are not changed, can adjust the resonant frequency of antenna element
And operational frequency bands so that antenna element can cover wider array of operation frequency range.For example, if using actively
Component, then the first band of antenna element can more increase the frequency band for covering 700MHz to 824MHz
Interval, more to cover LTE700 frequency bands.If while being adjusted using active circuit elements and passive component
Whole impedance matching, then antenna element will can cover the first band between 700MHz to 960MHz,
And cover second band between 1710MHz to 2690MHz.In other words, day of the invention
The low-and high-frequency that LTE and WWAN can be supported simultaneously is operated by kind of thread elements.
In certain embodiments, a part for a frame of the sheet metal formation shell of antenna element, and side
Frame is a rectangular shape.In certain embodiments, the spacing at the edge of sheet metal and metal covering is between 0.5mm
To between 3.0mm.Specifically, aforementioned intervals are at least 0.5mm, so that sheet metal and metal covering two
Person can make effectively separation；And aforementioned intervals are at most 3.0mm, to limit the Breadth Maximum between nonconductive regions,
So as to maintain the external form attractive in appearance of the communicator with metal shell.
In certain embodiments, sheet metal is perpendicular to metal covering, and the justified margin of metal covering is in shell
Edge.Under here design, it is interval that antenna element is not required to any headroom on metal covering.It is, communication
Any nonmetallic antenna windows need not be set on the metal shell of device, and on the metal covering of communicator
Need not any line of rabbet joint be implanted into form the structure such as slot antenna.In the preferred embodiment, lead to
The shell of T unit can possess a complete metal back cover, to maintain the aesthetic appearance of communicator.It is necessary
It is noted that according to actual measurement, previous designs can also reduce user and hold to communicator
Negative effect.
In certain embodiments, printed circuit board (PCB) is a flexible printed circuit board.By using flexible printing
Circuit board, antenna element will not take any interval of system circuit board and metal shell, and this causes to lead to
Configuration in T unit has more design flexibility.In certain embodiments, printed circuit board (PCB) is with more one the
Three junction points, wherein the 3rd junction point is coupled to sheet metal one second load point as antenna element.
In certain embodiments, printed circuit board (PCB) has more an earth point, and wherein earth point is coupled to ground plane.
Aforementioned 3rd junction point, the addition of earth point can also increase the feed-in design flexibility of antenna element.
In certain embodiments, aforesaid coupling (Coupling) mechanism includes being directly connected to (Direct
Connection), Capacitance Coupled connection (Capacitively-coupling Connection), or inductive connects
Meet (Inductively-coupling Connection).It is, appoint can be joined directly together between two elements, or
It is to be connected via a capacitor or an inducer.
In certain embodiments, the length of sheet metal is 95mm, and width is 5mm.Sheet metal can be matched somebody with somebody
In the side edge surface of the shell for being placed in a board device.Sheet metal collocation printed circuit board (PCB) forms antenna element,
Which can cover the low-and high-frequency operational frequency bands of LTE/WWAN (for example：Low-frequency band can be between 824MHz extremely
Between 960MHz or between 698MHz to 960MHz, high frequency band can be between 1710MHz
To between 2690MHz).As antenna element is not necessary to any headroom interval being arranged on metal covering, and its
Printed circuit board (PCB) is also not necessary to be arranged at any interval on metal covering or on system circuit board, the day of the present invention
Kind of thread elements will be applicable to the various mobile communications devices of metal shell (particularly flat board communicator), its
Can be got both small size, wide band double dominant.
Description of the drawings
Fig. 1 is the schematic diagram for showing the communicator according to one embodiment of the invention.
Fig. 2 is sheet metal of the display according to one embodiment of the invention, printed circuit board (PCB), and metal
The enlarged drawing in face.
Fig. 3 is the enlarged drawing for showing the printed circuit board (PCB) according to another embodiment of the present invention.
Fig. 4 is the return loss of the antenna element for showing the communicator according to one embodiment of the invention
Figure.
Fig. 5 is the antenna efficiency of the antenna element for showing the communicator according to one embodiment of the invention
Figure.
Fig. 6 is that the return of the antenna element for showing the communicator according to another embodiment of the present invention is damaged
Lose figure.
Description of reference numerals：
100～communicator；
11～shell；
The backside surface of 110～shell；
111～metal covering；
The edge of 112～metal covering；
113～frame；
The side edge surface of 114～shell；
12～system circuit board；
121～ground plane；
13～sheet metal；
131st, 132～gap；
Between 14～nonconductive regions；
15th, 35～printed circuit board (PCB)；
150th, 350～circuit；
151st, 351～the first junction point；
152nd, 352～the second junction point；
153rd, 353～earth point；
16～signal source；
17～upright projection；
354～the 3rd junction point；
355～passive component；
356～active circuit elements；
401st, 402,601,602,603,604～return loss curve；
41～first band；
42～second band；
51st, 52～antenna efficiency curve；
The operational frequency bands of 61～active circuit elements adjustment；
T～spacing.
Specific embodiment
Be allow the present invention above-mentioned purpose, advantage of seeking peace can become apparent, it is cited below particularly go out the present invention
Specific embodiment, and coordinate description of the drawings book accompanying drawing, it is described in detail below.
Fig. 1 is the schematic diagram for showing the communicator 100 according to one embodiment of the invention.Communication dress
It can be a smart mobile phone (Smart Phone), a panel computer (Tablet Computer) to put 100, or
One notebook computer (Notebook Computer).As shown in figure 1, communicator 100 includes a shell
11st, a system circuit board 12, and an antenna element.Shell 11 includes a metal covering 111, wherein gold
Category face 111 is located on a backside surface 110 of shell 11, and an edge 112 of metal covering 111 aligns
In an edge of backside surface 110.System circuit board 12 includes a ground plane 121.Ground plane 121 can
For a rectangle.Antenna element includes a sheet metal 13 and a printed circuit board (PCB) 15.Sheet metal 13 is located at should
In one side edge surface 114 of shell, separated with metal covering 111 completely, and along the side of metal covering 111
Edge 112 is made to extend.Wherein the edge 112 of sheet metal 13 and metal covering 111 is by 14 between a nonconductive regions
Separated.Printed circuit board (PCB) 15 has one first junction point 151 and one second junction point 152, wherein
First junction point 151 is coupled to a signal source 16, and the second junction point 152 is coupled to sheet metal 13 and makees
For one first load point of antenna element.Printed circuit board (PCB) 15 can more have an earth point 153, wherein connecing
Place 153 is coupled to ground plane 121, to adjust the impedance matching of antenna element.Must be noted that this
Coupling (Coupling) mechanism alleged by description includes being directly connected to (Direct Connection), Capacitance Coupled
Connection (Capacitively-coupling Connection), or inductive connection (Inductively-coupling
Connection).It is, can be joined directly together between two components, or via a capacitor or one
Inducer is connected.Sheet metal 13 can form a part for a frame 113 of shell 11, and frame 113
For a rectangular shape.Between nonconductive regions, 14 are used to be kept completely separate sheet metal 13 and metal covering 111, and at least
Two gaps 131 and 132 are used to be kept completely separate the remainder of sheet metal 13 and frame 113.Must be noted that
, communicator 100 may also include other elements, for example：One contact panel, a processor, one
Speaker, a battery, and a shell (not shown).
Fig. 2 is to show sheet metal 13 according to one embodiment of the invention, printed circuit board (PCB) 15, and
The enlarged drawing of metal covering 111.As it was previously stated, the antenna element of communicator 100 includes 13 He of sheet metal
There is between the edge 112 of printed circuit board (PCB) 15, wherein sheet metal 13 and metal covering 111 spacing t,
This spacing t can be between 0.5mm to 3.0mm.Printed circuit board (PCB) 15 also includes 150 (example of a circuit
Such as：One adjustment circuit or a match circuit), for adjusting the resonant frequency and operation frequency range of antenna element.
Printed circuit board (PCB) 15 has a upright projection 17, wherein 17 complete position of upright projection on metal covering 111
In the inside of metal covering 111.
Fig. 3 is the enlarged drawing for showing the printed circuit board (PCB) 35 according to another embodiment of the present invention.Printing
Circuit board 35 can be applied in the middle of aforesaid communicator 100.As shown in figure 3, printed circuit board (PCB) 35
Including a circuit 350, and printed circuit board (PCB) 35 have one first junction point 351, one second junction point 352,
One earth point 353, and one the 3rd junction point 354, wherein the first junction point 351 is coupled to a signal source,
Second junction point 352 is coupled to sheet metal 13 one first load point as an antenna element, earth point
353 are coupled to a ground plane, and the 3rd junction point 354 is coupled to sheet metal 13 and as antenna element
One second load point.Specifically, the first junction point 351 is located at a first edge of printed circuit board (PCB) 35,
Second junction point 352 and the 3rd junction point 354 are located at a second edge of printed circuit board (PCB) 35, and are grounded
Point 353 is located at one the 3rd edge of printed circuit board (PCB) 35, and wherein first edge and second edge is relative to each other,
And the 3rd edge-perpendicular is in first edge and second edge.The design of aforementioned double-fed access point can increase day
The feed-in design flexibility of kind of thread elements, and adjust the impedance matching of antenna element.Circuit 350 include one or
Multiple passive components 355, which can be used for the operation frequency range for increasing antenna element.Additionally, circuit 350
Also include an active circuit elements 356, which can be used for the resonant frequency for changing antenna element, so as to adjust day
The operational frequency bands of kind of thread elements.Printed circuit board (PCB) 35 can be a flexible printed circuit board so that antenna element exists
Configuration mode in communicator is more flexible.
Fig. 4 is the return of the antenna element for showing the communicator 100 according to one embodiment of the invention
Loss (Return Loss) figure, wherein transverse axis represent operation frequency (MHz), and the longitudinal axis is represented and returns loss
(dB).In certain embodiments, the length of metal covering 111 is 200mm, and width is 150mm, and golden
The length of category piece 13 is 95mm, and width is 5mm.As shown in figure 4, the antenna element of communicator 100
Part can operate in a first band 41 (as one first returns shown in loss curve 401), and operate in
One second band 42 (as shown in one second return loss curve 402).Specifically, first band 41 can
To cover GSM850/900 frequency bands and LTE Band 5,8 frequency bands of Band (about between 824MHz extremely
Between 960MHz), and second band 42 can cover LTE/WWAN associated frequency band (about between
Between 1710MHz to 2690MHz).In other words, the antenna element of communicator 100 can be supported simultaneously
The low-and high-frequency operation of LTE and WWAN.
Fig. 5 is the antenna of the antenna element for showing the communicator 100 according to one embodiment of the invention
Efficiency (Antenna Efficiency) figure, wherein transverse axis represent operation frequency (MHz), and longitudinal axis representative antennas
Efficiency (%).As shown in figure 5,51 representative antennas element of a first antenna efficiency curve in first band 41 (about
Between 824MHz to 960MHz) in antenna efficiency, which is about between 52% to 63%；And
Antenna efficiency of one second antenna efficiency curve, the 52 representative antennas element in second band 42, which is about
Between 60% to 83%.From aforementioned measurement, the antenna efficiency of the present invention can meet mobile logical
The practical application request of T unit.
Fig. 6 is returning for the antenna element of communicator 100 of the display according to another embodiment of the present invention
Figure is lost in return loss, and wherein transverse axis represents operation frequency (MHz), and the longitudinal axis is represented and returns loss (dB).In Fig. 6
Embodiment in, the printed circuit board (PCB) 35 shown in Fig. 3 is applied in the middle of communicator 100.Such as front institute
State, the circuit 350 of printed circuit board (PCB) 35 includes one or more passive components 355 and an active
Component 356, wherein passive component 355 can cause antenna element to operate in first band 41 (such as
First returns shown in loss curve 401), and active circuit elements 356 can be used to change being total to for antenna element
Vibration frequency, so as to the operational frequency bands for adjusting antenna element (return loss curve 601,602,603 as different
And shown in 604).For example, by by active circuit elements 356 (for example：One switching device) in various
The catch cropping switching of inducer, which can provide different induction value to antenna element so that antenna element can increase
Cover operation frequency interval (such as additional operational frequency bands 61) of 700MHz to 824MHz.Therefore,
If while using passive component and active circuit elements, the low frequency bandwidth of antenna element effectively can increase
Plus (can be between 700MHz to 960MHz), it is more to cover LTE700 frequency bands.
It should be noted that above-described component size, component shape, and frequency range is all non-is
The restrictive condition of the present invention.Antenna designers can need to adjust these setting values according to difference.The present invention
Communicator and antenna element be not limited in the state illustrated in Fig. 1-6.The present invention can only include figure
Any one or more features of any one or more embodiments of 1-6.In other words, and not all diagram
Feature must be implemented in the middle of the communicator and antenna element of the present invention simultaneously.
Ordinal number in this specification and claim, such as " first ", " second ", " the 3rd " etc.
Deng, not having precedence relationship sequentially each other, which is only used for sign and distinguishes two with mutually of the same name
The different elements of word.
Though the present invention is disclosed as above with preferred embodiment, so which is not limited to the scope of the present invention, appoints
What those skilled in the art, without departing from the spirit and scope of the present invention, when can do a little variation with
Retouch, therefore protection scope of the present invention ought be defined depending on appended as defined in claim.
Claims (10)
1. a kind of communicator, it is characterised in that include：
One shell, including a metal covering, the wherein metal covering are located on a backside surface of the shell, and
One edge of the metal covering is aligned in an edge of the backside surface；
One system circuit board, including a ground plane；And
One antenna element, including：
One sheet metal, in a side edge surface of the shell, is separated with the metal covering, and edge
The edge for the metal covering is made to extend, and the wherein sheet metal is non-conductive by one with the edge of the metal covering
Interval is separated；And
One printed circuit board (PCB), including a circuit, the wherein printed circuit board (PCB) have one first junction point
And one second junction point, first junction point is coupled to a signal source, and second junction point is coupled to the gold
Category piece one first load point as the antenna element, the printed circuit board (PCB) have one on the metal covering
Upright projection, and the upright projection is fully located at the inside of the metal covering.
2. communicator as claimed in claim 1, it is characterised in that the sheet metal forms the shell
A part for one frame, and the frame is a rectangular shape.
3. communicator as claimed in claim 1, it is characterised in that the sheet metal and the metal covering
One spacing at the edge is between 0.5mm to 3.0mm.
4. communicator as claimed in claim 1, it is characterised in that the printed circuit board (PCB) is flexible
Printed circuit board (PCB).
5. communicator as claimed in claim 1, it is characterised in that the circuit includes that at least is passive
Component, and the passive component is used to increase an operation frequency range of the antenna element.
6. communicator as claimed in claim 5, it is characterised in that the circuit is also including an actively electricity
Circuit component, and the active circuit elements are used to change a resonant frequency of the antenna element, so as to adjust this
One operational frequency bands of antenna element.
7. communicator as claimed in claim 1, it is characterised in that the printed circuit board (PCB) also has
3rd junction point, and the 3rd junction point is coupled to the sheet metal one second feedback as the antenna element
Access point.
8. communicator as claimed in claim 1, it is characterised in that the printed circuit board (PCB) also has
Earth point, and the earth point is coupled to the ground plane.
9. communicator as claimed in claim 1, it is characterised in that the antenna element operates in one
One frequency band and a second band, the first band between 824MHz to 960MHz, and this second
Frequency band is between 1710MHz to 2690MHz.
10. the communicator as described in claim 1,7,8 is arbitrary, it is characterised in that the coupling bag
Include be directly connected to, Capacitance Coupled connection or inductive connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510657141.5A CN106571512A (en) | 2015-10-12 | 2015-10-12 | Communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510657141.5A CN106571512A (en) | 2015-10-12 | 2015-10-12 | Communication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106571512A true CN106571512A (en) | 2017-04-19 |
Family
ID=58508472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510657141.5A Pending CN106571512A (en) | 2015-10-12 | 2015-10-12 | Communication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106571512A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108428993A (en) * | 2018-03-21 | 2018-08-21 | 上海安费诺永亿通讯电子有限公司 | A kind of antenna |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1441612A (en) * | 2001-11-07 | 2003-09-10 | 日本电气株式会社 | Radio terminal device |
| CN101330162A (en) * | 2007-06-19 | 2008-12-24 | 株式会社东芝 | Electronic apparatus |
| CN103296387A (en) * | 2013-05-07 | 2013-09-11 | 瑞声科技（南京）有限公司 | Combined antenna and electronic device using same |
| CN103367864A (en) * | 2012-03-30 | 2013-10-23 | 苹果公司 | Antenna having flexible feed structure with components |
| CN204668452U (en) * | 2015-04-27 | 2015-09-23 | 深圳市大显科技有限公司 | A kind of combination utilizes the antenna for mobile phone of mobile phone frame |
-
2015
- 2015-10-12 CN CN201510657141.5A patent/CN106571512A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1441612A (en) * | 2001-11-07 | 2003-09-10 | 日本电气株式会社 | Radio terminal device |
| CN101330162A (en) * | 2007-06-19 | 2008-12-24 | 株式会社东芝 | Electronic apparatus |
| CN103367864A (en) * | 2012-03-30 | 2013-10-23 | 苹果公司 | Antenna having flexible feed structure with components |
| CN103296387A (en) * | 2013-05-07 | 2013-09-11 | 瑞声科技（南京）有限公司 | Combined antenna and electronic device using same |
| CN204668452U (en) * | 2015-04-27 | 2015-09-23 | 深圳市大显科技有限公司 | A kind of combination utilizes the antenna for mobile phone of mobile phone frame |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108428993A (en) * | 2018-03-21 | 2018-08-21 | 上海安费诺永亿通讯电子有限公司 | A kind of antenna |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170419 |
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| RJ01 | Rejection of invention patent application after publication |