CN203466295U - Terminal antenna - Google Patents
Terminal antenna Download PDFInfo
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- CN203466295U CN203466295U CN201320578188.9U CN201320578188U CN203466295U CN 203466295 U CN203466295 U CN 203466295U CN 201320578188 U CN201320578188 U CN 201320578188U CN 203466295 U CN203466295 U CN 203466295U
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- Prior art keywords
- antenna
- conductive region
- switch
- becket
- coupling part
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- 230000005855 radiation Effects 0.000 claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 20
- 230000008878 coupling Effects 0.000 claims description 31
- 238000010168 coupling process Methods 0.000 claims description 31
- 238000005859 coupling reaction Methods 0.000 claims description 31
- 238000004891 communication Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000004804 winding Methods 0.000 abstract 1
- 150000002739 metals Chemical group 0.000 description 13
- 238000000034 method Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920007019 PC/ABS Polymers 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005404 monopole Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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Abstract
Provided in the utility model is a terminal antenna comprising a metal structure portion, an antenna portion and a switching portion. The metal structure portion includes a conductive zone and a metal ring connected with the conductive zone; and the metal ring is arranged by winding around the conductive zone by one loop. A non-conductive zone is arranged between the side or bottom of the conductive zone and the metal ring; and the switching portion is arranged in the non-conductive zone. One end of the switching portion is connected with the antenna portion and the other end of the switching portion is connected with the metal ring; and the switching portion is also connected with a mobile terminal signal. And the mobile terminal signal controls the turning on and off of the switching portion. In addition, the antenna portion includes a radiation sheet and a feeding portion connected with the radiation sheet; the radiation sheet is connected with the part of metal ring by a first connecting portion; and the radiation sheet is also connected with a switch. According to the scheme, a slot antenna mode and an inverted F antenna mode are combined and the switch technology is introduced, so that the terminal antenna has the characteristics of simplenes, easy adjusting, and wide broadband.
Description
Technical field
The utility model relates to the design field of antenna for mobile phone, relates in particular to a kind ofly by slot antenna and inverse-F antenna combination, and uses the terminal antenna of switching technique.
Background technology
Mobile terminal antenna multiband is the developing direction of mobile communication, particularly portable mobile termianl always, as mobile phone, PDA(Personal Digital Assistance), MP3/MP4 etc.Wherein, GSM850/GSM900, DCS, PCS, UMTS are the main flows of communication always, and its range of frequency bandwidths is 824MHZ-960MHz or 1710MHz-2170MHz.On the other hand, along with the care of people to the safety of electromagnetic radiation, WCDMA is more and more applied because having the effect of low radiation.Common antenna form has, unipole antenna (monopole antenna), inverse-F antenna (IFA), planar inverted-F antenna (PIFA) and loop antenna (loop antenna).
In addition, popular along with the mobile phone of metal appearance, the research with antenna for mobile phone such as metal-back, frames becomes main flow direction.The patent No. is that the patent of US20130009833 discloses a kind of slot antenna, although slot antenna can resonance at 800MHz-900MHz, but the length of groove will occupy the over half of mobile phone girth, the groove of length is unfavorable for hand-held mode very much like this, user's hand will touch strong radiated electric field to a great extent, affects the radiation efficiency of antenna.
Utility model content
The utility model aims to provide a kind of terminal antenna, engagement groove antenna and inverse-F antenna (IFA), and adopt switching technique to expand bandwidth, and have simply, easily regulate, be with the features such as wide.
The utility model is a kind of terminal antenna, be arranged in a communication apparatus, comprise metal structure part, antenna part and switch sections, described metal structure partly comprises conductive region and the becket being attached thereto, described becket arranges around described conductive region one circle, is provided with a non-conductive region between one side of described conductive region and described becket; Described antenna part is arranged in described non-conductive region, one end of described switch sections is connected with described antenna part, the other end of described switch sections is connected with described becket, and described switch sections is also connected with a mobile terminal signal, described mobile terminal signal is controlled the break-make of described switch sections; Wherein, described antenna part comprises:
Feed part, is connected with a feed signal end;
Radiation fin, described radiation fin divides and is connected with described current feed department, and the first pontes that passes through of described radiation fin is connected with described becket, and described radiation fin is connected with described switch sections by the second coupling part.
In some embodiment, described non-conductive region is positioned on the base of described conductive region, and extends on the side of described conductive region.
In some embodiment, described switch sections comprises:
Input coupling part, one end is connected with described the second coupling part;
Switch, one end is connected with described input coupling part;
Output coupling part, one end is connected with the other end of described switch, and the other end of described output coupling part is connected on described becket;
Control section, one end is connected with described switch, and the other end of described control section is connected with described mobile terminal signal, for controlling the break-make of described switch.
In some embodiment, described switch is connected with described input coupling part by element.
In some embodiment, described element is the combination in any between resistance or electric capacity or inductance or resistance, electric capacity, inductance.
The utility model is owing to adopting above technical scheme, make it compared with prior art, there is following advantage and good effect: a kind of terminal antenna that the utility model provides, slot antenna pattern and inverse-F antenna pattern are combined, while insertion switch technology, widened bandwidth, made that this terminal antenna has simply, easily adjusts, the feature of wide bandwidth.
Accompanying drawing explanation
By reference to the accompanying drawings, the narration by below describes in detail, can more clearly understand above-mentioned and other feature and advantage of the present utility model, wherein:
Fig. 1 is the utility model embodiment mono-structural representation;
Fig. 2 is the utility model embodiment mono-assembly drawing;
Fig. 3 is the structural representation of the utility model embodiment mono-switch;
Fig. 4 is the return loss plot of the utility model one;
Fig. 5 is the utility model embodiment bis-structural representations;
Symbol description:
10-metal structure
11-conductive region
12-becket
The non-conductive region of 13-
121-part metals ring
122-the first tie point
123-the second tie point
200-antenna part
201-feed part
202-radiation fin
203-the first pontes
204-the second coupling part
40-antenna holder
50-tertiary circuit radiant section
51-inputs coupling part
52-element
53-switch
54-control section
55-exports coupling part
Embodiment
Referring to the accompanying drawing that the utility model embodiment is shown, below the utility model will be described in more detail.Yet the utility model can be with many multi-form realizations, and should not be construed as the restriction of the embodiment being subject in this proposition.On the contrary, it is abundant and complete open in order to reach proposing these embodiment, and makes those skilled in the art understand scope of the present utility model completely.In these accompanying drawings, for clarity sake, may amplify size and the relative size in layer and region.
With reference to 1-5, a kind of terminal antenna that the utility model provides, be arranged in a communication apparatus, this terminal antenna comprises metal structure part 10, antenna part 200 and switch sections 50, wherein metal structure portion 10 comprises conductive region 11 and the becket 12 being attached thereto, becket 12 arranges around conductive region 11 1 circles, is provided with a non-conductive region 13 between one side of conductive region 11 and becket 12; Antenna part 200 is arranged in non-conductive region 13, one end of switch sections 50 is connected with antenna part 200, the other end of switch sections 50 is connected with becket, and switch sections 50 is also connected with a mobile terminal signal, the break-make of mobile terminal signal control switch part 50.Below by specific embodiment, be elaborated:
Embodiment mono-
With reference to Fig. 1-2, in the present embodiment, metal structure partly comprises becket and conductive region, and becket is certain thickness electric conducting material, can be stainless steel, alloy etc., and conductive region adopts pcb board etc., and becket arranges around conductive region one circle; Wherein, between part metals ring 121 and the bottom of conductive region, be provided with non-conductive region, the two ends of part metals ring 121 form the first tie point 122 and the second tie point 123 with conductive region respectively, and becket is all connected with conductive region except part metals ring 121.Wherein, the set-up mode in non-conductive region 13 can, by slotting or removing metal level and realize, not be restricted herein.
In the present embodiment, antenna part 200 is positioned at non-conductive region 13, and antenna part 200 comprises feed part 201 and radiation fin 202.Radiation fin 202 is certain rule or irregular conductive region, radiation fin 202 can be bending, on it, also can have fluting, realizing technique can be printed circuit board (PCB) (PCB), flexible PCB, laser direct structuring technique (LDS), stamping technology (Stamping) etc.; Radiation fin 202 is arranged at the top in non-conductive region by antenna holder 40, antenna holder 40 can be the materials such as resin (ABS), Merlon (PC), PC/ABS, is not restricted herein.Radiation fin 202 is connected with a feed by feed part 201, and the position that can change as required feed part 201 regulates antenna resonant frequency, is not restricted herein.
In the present embodiment, antenna part 200 also comprises the first pontes 203 and the second coupling part 204, radiation fin 202 is connected on part metals ring 121 by the first pontes, radiation fin 202 is connected with switch sections 50 by the second coupling part 204, the setting position of the first pontes 203 and the second coupling part 204 can regulate as the case may be, is not restricted herein.Concrete with reference to figure 3, switch sections 50 comprises input coupling part 51, switch 53, output coupling part 55, control section 54.One end of switch 53 is connected with the second coupling part 204 by input coupling part 51, and the other end of switch 53 is connected on part metals ring 121 by output coupling part 55.Control section 54 one end are connected on switch 53, and the other end is connected with a mobile terminal signal, and this mobile terminal signal is for the break-make of control switch 53.Between switch 53 and input coupling part, be also provided with element 52, element 52 can be Zero-ohm resistor, now inputs coupling part 51 and directly connects radiation fin 302; Element 52 can be also electric capacity, now inputs coupling part 51 capacitive couplings and connects radiation fin 202; Element 52 can be also inductance, now inputs the inductive coupled connection radiation fin 202 in coupling part 51; Certainly, element 52 can be also the combination in any between resistance, inductance and electric capacity, can arrange as the case may be.
In the present embodiment, with reference to figure 4, be the clawback loss figure of the present embodiment, solid line partly represents that switch 53 disconnects, dotted portion represents switch 53 closures.When switch 53 disconnects, Path generation the first low-frequency resonant f1 between the part metals ring 121 between radiation fin 202 and the first pontes 103 to second tie points 123, now the mode of resonance of the first low-frequency resonant f1 is inverse-F antenna, frequency coverage GSM850; Inverse-F antenna pattern also produces the first high-frequency resonant f2; Part metals ring 121 between the first tie point 122 and the second tie point 123, the third high of generation slot antenna pattern is resonance f4 frequently; Simultaneously because radiation fin 202 is connected with part metals ring 121 by the first pontes 103, make to exist and be coupled between inverse-F antenna pattern and slot antenna pattern, form the second high-frequency resonant f3, the frequency of the second high-frequency resonant f3 is greater than the frequency of the first high-frequency resonant f2, is less than the third high frequency of resonance f4 frequently simultaneously; Thereby widened high frequency bandwidth, the first high-frequency resonant f2 and the second high-frequency resonant f3 frequency coverage 1710MHz-2170MHz, i.e. DCS/PCS/UMTS, third high is resonance f4 frequency coverage 2.496GHz-2.69GHz frequently, i.e. LTE frequency range 38 and frequency range 41.When switch 53 is closed, the second coupling part 204 is connected with part metals ring 121 by switch 53, and the path of the first low-frequency resonant shortens, and frequency moves to the direction higher than f1, thereby makes frequency coverage GSM900, has further widened low frequency bandwidth; The closure of Simultaneous Switching 53, does not cause large frequency shift (FS) to the first high-frequency resonant f2, the second high-frequency resonant f3, third high frequency resonance f4.The terminal antenna that the utility model provides, combines slot antenna pattern and inverse-F antenna pattern, and simultaneously insertion switch technology, has widened bandwidth, makes that this terminal antenna has simply, the easy feature of tune, wide bandwidth.
In the present embodiment, because antenna part 200 is arranged at the bottom of mobile terminal, area occupied is larger, and frequency range is relatively wide simultaneously, and the situation that can be used as mobile terminal main antenna is used.
Embodiment bis-
With reference to figure 5, the present embodiment is the modification of carrying out on the basis of embodiment mono-.Concrete, non-conductive region 13 is arranged between part metals ring 121 and the side of conductive region 11 in the present embodiment, and non-conductive region 13 is arranged on the side of mobile terminal, and antenna part 200 is positioned at non-conductive region 13.The two ends of part metals ring 121 and conductive region 11 forms the first tie point 122 and the second tie points 123, and the first tie point 122 and the second tie point 123 lay respectively on the both sides that mobile terminal is adjacent.Except above-mentioned improvement part, the equal reference example one of the remainder of the present embodiment repeats no more herein.In the present embodiment, antenna part 200 is positioned on the side of mobile terminal, and the situation that can be used as diversity antenna or radiating antenna is used in mobile terminal.
Certainly, the setting position of non-conductive region 13 and antenna part 200 can move on a circle of conductive region 11, can, according to specifically will the designing accordingly of mobile terminal, all not be restricted herein.
In sum, the utility model provides a kind of terminal antenna, comprise metal structure part, antenna part and switch sections, metal structure partly comprises conductive region and the becket being attached thereto, becket arranges around conductive region one circle, is provided with a non-conductive region on the side of conductive region or base and between becket; Antenna part is arranged in non-conductive region, and one end of switch sections is connected with antenna part, and the other end of switch sections is connected with becket, and switch sections is also connected with a mobile terminal signal, and mobile terminal signal is controlled the break-make of described switch sections.Wherein, antenna part comprises radiation fin and the feed part being attached thereto, and radiation fin is connected with part metals ring by the first pontes, and radiation fin is also connected with switch.The terminal antenna that the utility model provides, combines slot antenna pattern and inverse-F antenna pattern, and insertion switch technology simultaneously makes that this terminal antenna has simply, the easy feature of tune, wide bandwidth.
Those skilled in the art should be understood that the utility model can not depart from spirit or scope of the present utility model with many other concrete forms realizations.Although also described embodiment of the present utility model, the utility model should be understood and these embodiment should be restricted to, within the utility model spirit and scope that those skilled in the art can define as appended claims, make and change and revise.
Claims (5)
1. a terminal antenna, be arranged in a communication apparatus, it is characterized in that, comprise metal structure part, antenna part and switch sections, described metal structure partly comprises conductive region and the becket being attached thereto, described becket arranges around described conductive region one circle, is provided with a non-conductive region between one side of described conductive region and described becket; Described antenna part is arranged in described non-conductive region, one end of described switch sections is connected with described antenna part, the other end of described switch sections is connected with described becket, and described switch sections is also connected with a mobile terminal signal, described mobile terminal signal is controlled the break-make of described switch sections; Wherein, described antenna part comprises:
Feed part, is connected with a feed signal end;
Radiation fin, described radiation fin divides and is connected with described current feed department, and described radiation fin is connected with described becket by the first pontes, and described radiation fin is connected with described switch sections by the second coupling part.
2. terminal antenna according to claim 1, is characterized in that, described non-conductive region is positioned on the base of described conductive region, and extends on the side of described conductive region.
3. terminal antenna according to claim 1 and 2, is characterized in that, described switch sections comprises:
Input coupling part, one end is connected with described the second coupling part;
Switch, one end is connected with described input coupling part;
Output coupling part, one end is connected with the other end of described switch, and the other end of described output coupling part is connected on described becket;
Control section, one end is connected with described switch, and the other end of described control section is connected with described mobile terminal signal, for controlling the break-make of described switch.
4. terminal antenna according to claim 3, is characterized in that, described switch is connected with described input coupling part by element.
5. terminal antenna according to claim 4, is characterized in that, described element is the combination in any between resistance or electric capacity or inductance or resistance, electric capacity, inductance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320578188.9U CN203466295U (en) | 2013-09-18 | 2013-09-18 | Terminal antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320578188.9U CN203466295U (en) | 2013-09-18 | 2013-09-18 | Terminal antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203466295U true CN203466295U (en) | 2014-03-05 |
Family
ID=50178636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320578188.9U Expired - Fee Related CN203466295U (en) | 2013-09-18 | 2013-09-18 | Terminal antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203466295U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953292A (en) * | 2014-03-25 | 2015-09-30 | 联想(北京)有限公司 | Antenna and electric device |
| CN105514575A (en) * | 2015-12-29 | 2016-04-20 | 北京锤子数码科技有限公司 | Antenna |
| CN105514576A (en) * | 2015-12-29 | 2016-04-20 | 北京锤子数码科技有限公司 | Converter |
| CN108352613A (en) * | 2015-11-13 | 2018-07-31 | 三星电子株式会社 | Electronic equipment including antenna |
-
2013
- 2013-09-18 CN CN201320578188.9U patent/CN203466295U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953292A (en) * | 2014-03-25 | 2015-09-30 | 联想(北京)有限公司 | Antenna and electric device |
| CN104953292B (en) * | 2014-03-25 | 2019-03-08 | 联想(北京)有限公司 | A kind of antenna and electronic equipment |
| CN108352613A (en) * | 2015-11-13 | 2018-07-31 | 三星电子株式会社 | Electronic equipment including antenna |
| CN108352613B (en) * | 2015-11-13 | 2020-10-02 | 三星电子株式会社 | Electronic equipment including antenna |
| CN105514575A (en) * | 2015-12-29 | 2016-04-20 | 北京锤子数码科技有限公司 | Antenna |
| CN105514576A (en) * | 2015-12-29 | 2016-04-20 | 北京锤子数码科技有限公司 | Converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20150918 |
|
| EXPY | Termination of patent right or utility model |