CN204441451U - A kind of mobile terminal and antenna system thereof - Google Patents
A kind of mobile terminal and antenna system thereof Download PDFInfo
- Publication number
- CN204441451U CN204441451U CN201420866638.9U CN201420866638U CN204441451U CN 204441451 U CN204441451 U CN 204441451U CN 201420866638 U CN201420866638 U CN 201420866638U CN 204441451 U CN204441451 U CN 204441451U
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- antenna
- mobile terminal
- antenna system
- metal frame
- antenna holder
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Abstract
The utility model provides a kind of mobile terminal and antenna system thereof, and this antenna system comprises: metal frame, antenna holder and radio frequency circuit board, and metal frame is located at the outside side ring week of mobile terminal; Antenna holder inside is provided with aerial coil, and side and the bottom surface of antenna holder are respectively equipped with splicing ear, and antenna holder to be contacted with metal frame by splicing ear and connects; Radio frequency circuit board is provided with radio-frequency contact terminal, and radio-frequency contact terminal contacts with antenna holder and connects; Wherein, mobile terminal is undertaken sending and received RF signal by antenna holder and metal frame.Achieve making full use of of the space bottom to mobile terminal, to obtain better antenna performance.
Description
Technical field
The utility model relates to the technical field of mobile terminal antenna, specifically relates to a kind of mobile terminal and antenna system thereof.
Background technology
Along with popularizing of 4G, the frequency range required by antenna is more and more wider, and cell-phone function also gets more and more simultaneously, and inner space is also more and more less.
American apple takes the lead in have employed the metal edge frame of mobile phone as antenna for mobile phone, and this technical scheme is better appearance on the one hand, on the other hand, better can utilize the space in mobile phone, realize better aerial radiation effect.
The quality of antenna for mobile phone, metal ingredient whether is had to have very large relation with in the space size of antenna for mobile phone and space, and metal frame mobile phone is on the one hand because the size of metal frame own is difficult to change, flexible design degree is poor, on the other hand, the USB seat of metal inherently has influence on the antenna performance of mobile phone.
Adopt the mode of nonmetal USB seat (apple is main), due to USB seat insufficient strength, needing to increase extra structure does fixing, can increase extra cost on the one hand, can sacrifice extra mobile phone space on the other hand, the trend that this and mobile phone do less and less is not inconsistent, nonmetal USB seat is in the industry cycle not general yet, and the USB seat seldom having manufacturer at present except apple is nonmetallic, in addition, the USB seat needing customized new, relates to the problem of customization cost.
USB seat shifts out the mode of bottom antenna area, and the major defect of this mode is that bottom USB joint can not between two parties, very unsightly.
In addition, utilize metal frame as in the technical scheme of antenna in prior art, antenna holder cannot utilize whole bottom space, and antenna also cannot realize the frequency range required for whole 4G, performance relative deviation.
Utility model content
The utility model embodiment provides a kind of mobile terminal and antenna system thereof, cannot dodge to solve metal frame in prior art the technical problem that metal USB interface and single antenna cannot meet the transmitting and receiving of wider frequency range signal.
For solving the problem, the utility model embodiment provides a kind of mobile terminal antenna system based on metal frame, and described antenna system comprises: metal frame, antenna holder and radio frequency circuit board, and metal frame is located at the outside side ring week of mobile terminal; Described antenna holder inside is provided with aerial coil, and side and the bottom surface of described antenna holder are respectively equipped with splicing ear, and described antenna holder is contacted with described metal frame by described splicing ear and connects; Described radio frequency circuit board is provided with radio-frequency contact terminal, and described radio-frequency contact terminal contacts with described antenna holder and connects; Wherein, described mobile terminal is undertaken sending and received RF signal by described antenna holder and described metal frame.
According to the utility model one preferred embodiment, described metal frame is provided with the gap of disconnection in the USB interface both sides of described mobile terminal, for dodging described USB interface.
According to the utility model one preferred embodiment, described antenna holder inside is provided with organizes aerial coil more, the number of turn and the spread pattern of described many group aerial coils are different, and during for being connected with described metal frame respectively, mobile terminal can send or receive different frequency signals.
According to the utility model one preferred embodiment, described antenna system also comprises antenna duplexer, and described antenna duplexer accesses described radio frequency circuit board for switching different aerial coils, sends to make described mobile terminal or receives different frequency signals.
According to the utility model one preferred embodiment, described antenna holder is long strip-board shape, and described aerial coil is two groups, is separately positioned on the two ends of described antenna holder.
According to the utility model one preferred embodiment, the quantity of described antenna holder is multiple, and each described antenna holder inside is provided with one or more groups aerial coil.
According to the utility model one preferred embodiment, described USB interface is metal material.
According to the utility model one preferred embodiment, in the gap of described disconnection, use filling insulating material.
For solving the problems of the technologies described above, the utility model also provides a kind of mobile terminal, described mobile terminal comprises: radio frequency processing module, microprocessing unit and above-mentioned antenna system, described radio frequency processing module is for judging the frequency of the radio-frequency information that described antenna system will receive or send, and judged result is fed back to described microprocessing unit, described microprocessing unit controls described antenna duplexer according to described judged result and switches different aerial coils and be linked into described radio frequency circuit board.
Relative to prior art, the mobile terminal that the utility model provides and antenna system thereof, adopt USB interface placed in the middle and about it, disconnect the set-up mode of metal frame respectively, reducing the USB interface of metal to the impact of antenna; In addition, also organize aerial coil by antenna holder is arranged more, so both can make full use of the space bottom mobile terminal, to obtain better antenna performance, and different aerial coils can be switched by microprocessing unit control antenna change over switch and be linked into radio frequency circuit board, the radiofrequency signal of a broader bandwidth, by reasonably switching and the same metal frame of Distribution utilization transmit and receive.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model based on mobile terminal antenna system one preferred embodiment of metal frame;
Fig. 2 is the partial schematic diagram of antenna system in Fig. 1 embodiment;
Fig. 3 is confined explosion's schematic diagram of antenna system in Fig. 2;
Fig. 4 is the structural representation of antenna holder in antenna system in Fig. 1 embodiment;
Fig. 5 is the schematic diagram at another visual angle of antenna holder in Fig. 4;
Fig. 6 is the structural schematic block diagram of the utility model mobile terminal one preferred embodiment; And
Fig. 7 is the schematic flow sheet of the emission of radio frequency signals of mobile terminal and the control method of reception.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.It is emphasized that following examples are only for illustration of the utility model, but scope of the present utility model is not limited.Same, following examples are only section Example of the present utility model and not all embodiments, and those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, Fig. 1 is the structural representation of the utility model based on mobile terminal antenna system one preferred embodiment of metal frame, and this antenna system comprises metal frame 1, antenna holder 2 and radio frequency circuit board 3.
Specifically, metal frame 1 is located at the outside side ring week of mobile terminal, and material can be aluminium alloy, stainless steel etc.See also Fig. 2 and Fig. 3, Fig. 2 is the partial schematic diagram of antenna system in Fig. 1 embodiment, and Fig. 3 is confined explosion's schematic diagram of antenna system in Fig. 2; USB interface 8 is positioned at middle position bottom mobile terminal, and this metal frame 1 is arranged centered by USB interface 8, and is provided with the gap 12 of disconnection in these USB interface 8 both sides, and for dodging this USB interface 8, wherein, this USB interface 8 is also metal material.Because metal frame 1 and USB interface 8 are all metal material, if contact connects, mutually interference can be produced, therefore gap 12 is provided with, and in gap 12 fill insulant, ensure that metal frame 1 and USB interface 8 insulate, wherein, this insulating material can be plastics or rubber etc., does not limit herein.
Multiple contact terminal 11 for being connected with antenna holder is also provided with inside metal frame.
See also Fig. 4 and Fig. 5, Fig. 4 is the structural representation of antenna holder in antenna system in Fig. 1 embodiment, and Fig. 5 is the schematic diagram at another visual angle of antenna holder in Fig. 4; In this embodiment, antenna holder 2 is in long strip-board shape, its inside is provided with aerial coil 21, side and bottom surface are respectively equipped with multiple splicing ear 22, antenna holder 2 is connected by this splicing ear 22 and metal frame 1 (on contact terminal 11) and radio frequency circuit board 3 (on radio-frequency contact terminal 31), aerial coil 21 is two groups, is separately positioned on the two ends of antenna holder 2, and centre is connected by connecting portion 23.Certainly, the shape of antenna holder 2 is not limited thereto, and can carry out difform setting according to mobile terminal interior spatial structure.
In other embodiments, antenna holder 2 inside can be provided with many group aerial coils 21, the number of turn and the spread pattern of many groups aerial coil are different, and for when many group aerial coils are connected with metal frame 1 respectively, mobile terminal can send or receive different frequency signals.
In addition, the quantity of antenna holder 2 also can be multiple, each antenna holder inside can be provided with one or more groups aerial coil 21, and other versions of antenna holder 2 and the set-up mode of aerial coil 21, within the scope of the understanding of those skilled in the art, repeat no more herein.
Radio frequency circuit board 3 be located at mobile terminal shell (not shown) inner and by metal frame 1 around, this radio frequency circuit board 3 is provided with radio-frequency contact terminal 31, and radio-frequency contact terminal 31 contacts with the splicing ear 22 on antenna holder 2 and connects.
Mobile terminal carries out process radiofrequency signal by radio frequency circuit board 3, then carries out sending and received RF signal through antenna holder 2 and metal frame 1 successively.
Preferably, this antenna system also comprises antenna duplexer (not shown), and this antenna duplexer accesses radio frequency circuit board 3 for switching different aerial coils 21, can send or receive different frequency signals to make mobile terminal.
The mobile terminal antenna system based on metal frame that the utility model embodiment provides, adopts USB interface placed in the middle and about it, disconnects the set-up mode of metal frame respectively, reducing the USB interface of metal to the impact of antenna; In addition, also organize aerial coil by antenna holder is arranged more, so both can make full use of the space bottom mobile terminal, achieve better antenna performance, and antenna duplexer switches different aerial coils is linked into radio frequency circuit board, the radiofrequency signal of a broader bandwidth, by reasonably switching and the same metal frame of Distribution utilization transmit and receive.
The utility model embodiment also provides a kind of mobile terminal, refer to Fig. 6, Fig. 6 is the structural schematic block diagram of the utility model mobile terminal one preferred embodiment, this mobile terminal comprises: radio frequency processing module 500, microprocessing unit 600 and antenna system 700, wherein, this antenna system 700 is the antenna system in above-described embodiment, radio frequency processing module 500 is for judging the frequency of the radio-frequency information that antenna system 700 will receive or send, and judged result is fed back to microprocessing unit 600, microprocessing unit 600 switches different aerial coils according to judged result control antenna change over switch and is linked into radio frequency circuit board, to realize the object that mobile terminal sends or receives different frequency signals.About the technical characteristic of other part-structures of mobile terminal, be the conventional design of those skilled in the art, will not enumerate herein.
In addition, the utility model embodiment also provides a kind of emission of radio frequency signals of above-described embodiment mobile terminal and the control method of reception, refer to Fig. 7, Fig. 7 is the schematic flow sheet of the emission of radio frequency signals of mobile terminal and the control method of reception, and this control method includes but not limited to following steps:
Step S700, radio frequency processing module judges mobile terminal current network frequency and judged result is fed back to microprocessing unit.
In step S700, radio frequency processing module in charge realizes receiving the signal in current mobile network, frequency conversion, demodulation, process etc., and microprocessing unit receive radio frequency processing resume module after data and draw the frequency values that current mobile communications network is concrete.
Step S710, microprocessing unit sends control signal to antenna duplexer according to described judged result.
In the process of mobile terminal design, according to concrete antenna structure environment and debug results, can determine that the signal of different frequency realizes better by any antenna coil construction, and this method determined is pre-stored in the software of mobile terminal.
After microprocessing unit determines the frequency of current network, according to the determination methods being pre-stored in mobile terminal, export control signal, control antenna change over switch is switched to corresponding aerial coil, determine that the reception of mobile terminal transmits to be connected with which aerial coil, realize best antenna radiation performance.
Step S720, antenna duplexer switches different aerial coils according to described control signal and is linked into radio frequency circuit board.
Antenna itself is made up of the aerial coil on metal frame and antenna holder, due to when aerial radiation, the metal radiation body that the radiofrequency signal of different frequency needs different size just can better radiation, and due to the bad change of the length scale of metal frame own, so the aerial coil added on antenna holder realizes the size regulating metal radiation body.
Radiofrequency signal passes through radio frequency processing module transfer signal on antenna (comprising metal frame and antenna holder), first signal is transferred on the aerial coil on antenna holder, again by the connection of aerial coil and metal frame, realize radiation or the reception of signal.
Step S730, mobile terminal signal by access aerial coil and metal frame launch or Received signal strength.
The radiofrequency signal of different frequency by radio-frequency transmission line and radio frequency connector transmitting radio frequency signal on antenna holder, then the radiofrequency signal of different frequency is connected with outside antenna (metal frame) by different antennae coil, and radio frequency circuit board then plays the impedance matching effect well realized between antenna and circuit board here.
The present embodiment provide based on the emission of radio frequency signals of above-mentioned mobile terminal and the control method of reception, switch different aerial coils by microprocessing unit control antenna change over switch and be linked into radio frequency circuit board, the radiofrequency signal of a broader bandwidth, by reasonably switching and the same metal frame of Distribution utilization transmit and receive, so both can make full use of the space of bottom, realize better antenna performance.
The foregoing is only a kind of embodiment of the present utility model; not thereby protection range of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent device or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. based on a mobile terminal antenna system for metal frame, it is characterized in that, described antenna system comprises:
Metal frame, is located at the outside side ring week of mobile terminal;
Antenna holder, described antenna holder inside is provided with aerial coil, and side and the bottom surface of described antenna holder are respectively equipped with splicing ear, and described antenna holder is contacted with described metal frame by described splicing ear and connects;
Radio frequency circuit board, described radio frequency circuit board is provided with radio-frequency contact terminal, and described radio-frequency contact terminal contacts with described antenna holder and connects;
Wherein, described mobile terminal is undertaken sending and received RF signal by described antenna holder and described metal frame.
2. antenna system according to claim 1, is characterized in that, described metal frame is provided with the gap of disconnection in the USB interface both sides of described mobile terminal, for dodging described USB interface.
3. antenna system according to claim 1, it is characterized in that, described antenna holder inside is provided with organizes aerial coil more, the number of turn and the spread pattern of described many group aerial coils are different, during for being connected with described metal frame respectively, mobile terminal can send or receive different frequency signals.
4. antenna system according to claim 3, it is characterized in that, described antenna system also comprises antenna duplexer, and described antenna duplexer accesses described radio frequency circuit board for switching different aerial coils, sends to make described mobile terminal or receives different frequency signals.
5. antenna system according to claim 4, is characterized in that, described antenna holder is long strip-board shape, and described aerial coil is two groups, is separately positioned on the two ends of described antenna holder.
6. antenna system according to claim 1, is characterized in that, the quantity of described antenna holder is multiple, and each described antenna holder inside is provided with one or more groups aerial coil.
7. antenna system according to claim 2, is characterized in that, described USB interface is metal material.
8. antenna system according to claim 7, is characterized in that, uses filling insulating material in the gap of described disconnection.
9. a mobile terminal, it is characterized in that, described mobile terminal comprises: radio frequency processing module, microprocessing unit and the antenna system described in any one of claim 4-8, described radio frequency processing module is for judging the frequency of the radio-frequency information that described antenna system will receive or send, and judged result is fed back to described microprocessing unit, described microprocessing unit controls described antenna duplexer according to described judged result and switches different aerial coils and be linked into described radio frequency circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420866638.9U CN204441451U (en) | 2014-12-30 | 2014-12-30 | A kind of mobile terminal and antenna system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420866638.9U CN204441451U (en) | 2014-12-30 | 2014-12-30 | A kind of mobile terminal and antenna system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204441451U true CN204441451U (en) | 2015-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420866638.9U Expired - Fee Related CN204441451U (en) | 2014-12-30 | 2014-12-30 | A kind of mobile terminal and antenna system thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN204441451U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104617386A (en) * | 2014-12-30 | 2015-05-13 | 深圳天珑无线科技有限公司 | Mobile terminal, antenna system and radio frequency signal control method |
-
2014
- 2014-12-30 CN CN201420866638.9U patent/CN204441451U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104617386A (en) * | 2014-12-30 | 2015-05-13 | 深圳天珑无线科技有限公司 | Mobile terminal, antenna system and radio frequency signal control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20181230 |