CN205319303U - Near field communications array device and terminal - Google Patents
Near field communications array device and terminal Download PDFInfo
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- CN205319303U CN205319303U CN201521004769.7U CN201521004769U CN205319303U CN 205319303 U CN205319303 U CN 205319303U CN 201521004769 U CN201521004769 U CN 201521004769U CN 205319303 U CN205319303 U CN 205319303U
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Abstract
The utility model relates to a terminal technology field, concretely relates to near field communications array device and terminal. This antenna device includes: the metal casing and the communication antenna of marching into the arena are equipped with the headroom and distinguish on the metal casing, first conductor district and second conductor district are cut apart into with the metal casing in the headroom district, and the second conductor is distinguished and the range upon range of setting of near field communications array, are equipped with the first ground connection position that is used for first conductor district ground connection in the first conductor district, are equipped with the second ground connection position that is used for the second conductor to distinguish ground connection in the second conductor district, and first ground connection position and second ground connection position lie in the both sides in headroom district respectively. The embodiment of the utility model provides an it is regional that well metal casing need not additionally to increase or reserve a large amount of headroom, does not influence the cover of metal casing, because the becket limit need not to cut off or slots and sets near field communications array, can reduce the processing degree of difficulty of metal casing, in addition, can reduce the ground connection that is used for ground connection on the ground connection position in first conductor district and switch on the influence to near field communications array's magnetic flow.
Description
Technical field
This utility model relates to field of terminal technology, is specifically related to a kind of near field communication antenna device and terminal.
Background technology
Along with the high speed development of near-field communication (NearFieldCommunication, near field communication antenna), the scene of near field communication antenna application is also more and more extensive, as market swipe the card, mass transit card, gate inhibition's control, ticket and admission ticket etc.
The 13.56Mhz wavelength adopted due near field communication antenna is very long, and reading/writing distance is very short, suitable coupled modes are magnetic field couplings, it is generally adopted the mode structure as near field communication antenna of coil, at present in metal shell terminal, the solution of common near field communication antenna has three classes: 1, near field communication antenna directly designs in plastic casing overlay area; 2, near field communication antenna design images first week at ring, and antenna is placed in metal shell inner surface; 3, metal edge frame tuning near field communication antenna is relied on.
But, these three design has some insurmountable defects, makes such as mode the two ends up and down of terminal can reserve substantial amounts of plastic cement overlay area for a moment, affects the coverage rate of metal, also can affect terminal appearance and comfort level; Although this design of mode two can high degree ensure metal usable floor area, but the becket limit of photographic head is necessary to switch off or slots, mode two can cause the numerous and diverse of metal shell processing technique, and too much slotted metal also can affect globality and the structural strength of metal shell; The design of mode three is subject to frame length limitation, winding inductance quantity can be made less than normal, often cannot meet Card Reader performance requirement, generally can only possess the label function of near field communication antenna, strengthen by readwrite performance it is generally required to increase functional chip, improve near field communication antenna and be designed and manufactured as this.
Utility model content
This utility model embodiment provides a kind of near field communication antenna device and terminal, can by near field communication antenna position be arranged in clearance zone, ground connection position is arranged on the both sides of clearance zone, metal shell is made to keep complete, without extra complicated processing, the becket limit of photographic head is without cutting off or fluting, thus the performance not only improving near field communication antenna can also reduce manufacturing cost.
In view of this, this utility model embodiment first aspect provides a kind of near field communication antenna device, this near field communication antenna device comprises the steps that metal shell and communication antenna of marching into the arena, metal shell is provided with clearance zone, metal shell is divided into the first conductor region and the second conductor region by clearance zone, second conductor region is arranged with near field communication antenna stacking, the first ground connection position for the first conductor region ground connection it is provided with in first conductor region, the second ground connection position for the second conductor region ground connection it is provided with in second conductor region, first ground connection position and the second ground connection position lay respectively at the both sides of clearance zone.
As optionally, the side of near field communication antenna is positioned at clearance zone, and near field communication antenna is positioned at the side of clearance zone and arranges along the edge of clearance zone;
As optionally, near field communication antenna includes feeder loop, and feeder loop includes the circulus of more than a layer;
As optionally, feeder loop is monolayer N ring pack structure or double-deck N ring pack structure, and wherein N is the integer be more than or equal to 2;
As optionally, circulus includes circular ring or oval circulus or rectangular configuration, and near field communication antenna also includes the ferrite layer being arranged on feeder loop;
As optionally, the printed circuit board (PCB) of the first ground connection position and the second equal counterpart terminal in ground connection position is arranged;
As optionally, the second conductor region is arranged with near field communication antenna stacking;
As optionally, the first conductor region includes first antenna and/or the second antenna;
As optionally, the first ground connection position is provided with and the first ground connections of earthing member conducting, and the second ground connection position is provided with and the second ground connections of earthing member conducting.
This utility model embodiment second aspect provides a kind of terminal, this terminal includes above-mentioned near field communication antenna device, this terminal also includes metal shell, metal shell includes the metal shell of near field communication antenna device, being additionally provided with ground plane on the PCB of terminal, the first ground connection position and the second ground connection position of near field communication antenna device electrically connect with ground plane each through earth-continuity part.
As can be seen from the above technical solutions, this utility model embodiment has the advantage that, by clearance zone, metal shell is divided into the first conductor region and the second conductor region, and a part near field communication antenna is arranged in clearance zone, the first ground connection position in first conductor region and the second conductor region and the second ground connection position are separately positioned on the both sides of clearance zone, metal shell is without additionally increasing or reserved substantial amounts of empty regions, namely the covering of metal shell is not affected on the one hand, on the other hand owing to becket limit arranges near field communication antenna without cutting off or slotting, the difficulty of processing of metal shell can be reduced, in addition, adopt the impact on the magnetic flux of near field communication antenna of the earth-continuity part for ground connection that the above-mentioned arranging near field communication antenna can reduce on the ground connection position of the first conductor region.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, 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 premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of antenna in prior art;
Fig. 2 is one embodiment figure of near field communication antenna device of this utility model embodiment;
Fig. 3 is another embodiment figure of near field communication antenna device of this utility model embodiment.
In figure, each parts are as follows:
1, metal-back, 11, conductor region one, 111, antenna two, 112, antenna three, 113, metal ribs, 12, conductor region two, 13, main PCB, 2, metal shell, 21, the first conductor region, 211, first antenna, the 212, second antenna, 213, the first ground connection position, 22, the second conductor region, the 221, second ground connection position, 23, clearance zone, 3, near field communication antenna, 31, feeder loop, 32, ferrite layer, 4, PCB, 41, ground plane, 42, grounding leg, the 5, first ground connections, the 6, second ground connections.
Detailed description of the invention
This utility model embodiment provides a kind of near field communication antenna device, can by near field communication antenna position be arranged in clearance zone, ground connection position is arranged on the both sides of clearance zone, metal shell is made to keep complete, without extra complicated processing, the becket limit of photographic head is without cutting off or fluting, thus the performance not only improving near field communication antenna can also reduce manufacturing cost.
In order to make those skilled in the art be more fully understood that this utility model scheme, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is only the embodiment of this utility model part, rather than whole embodiments. Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, all should belong to the scope of this utility model protection.
It is described in detail individually below.
Term " first " in specification and claims of the present utility model and above-mentioned accompanying drawing, " second ", " the 3rd " " the 4th " etc. (if existence) are for distinguishing similar object, without being used for describing specific order or precedence. Should be appreciated that the data of so use can be exchanged in the appropriate case, in order to the embodiments described herein can be implemented with the order except the content of here diagram or description. In addition, term " includes " and " having " and their any deformation, it is intended to cover non-exclusive comprising, such as, contain series of steps or the process of module, method, system, product or equipment be not necessarily limited to those steps or the module clearly listed, but can include clearly not listing or for intrinsic other step of these processes, method, product or equipment or module.
The near field communication antenna device that this utility model is implemented is applied to terminal, refer to Fig. 1, Fig. 1 is the structural representation of antenna in prior art, as shown in Figure 1, metal-back 1 is divided into the first conductor region 1 and conductor region 2 12 by existing terminal, antenna 2 111 and antenna 3 112 can be set in first conductor region, antenna two and antenna three is made to realize mutually isolated by metal ribs 113 ground connection between conductor region one and conductor region two, but this mode can affect the antenna one being arranged on conductor region one, the i.e. performance of near field communication antenna, conductor region one and conductor region two are connect by the main PCB 13 of terminal.
For the defect of this problem and other prior aries, devise the near field communication antenna device of this utility model embodiment.
Refer to Fig. 2, Fig. 2 is one embodiment figure of near field communication antenna device of this utility model embodiment, as shown in Figure 2, an embodiment of the present utility model provides a kind of near field communication antenna device, this near field communication antenna device can include metal shell 2 and near field communication antenna 3, metal shell is provided with clearance zone 23, metal shell is divided into the first conductor region 21 and the second conductor region 22 by clearance zone, the side of near field communication antenna is positioned at clearance zone, the first ground connection position 213 for the first conductor region ground connection it is provided with in first conductor region, the second ground connection position 221 for the second conductor region ground connection it is provided with in second conductor region, first ground connection position and the second ground connection position lay respectively at the both sides of clearance zone.
Can be seen that, by clearance zone, metal shell is divided into the first conductor region and the second conductor region, and a part near field communication antenna is arranged in clearance zone, the first ground connection position in first conductor region and the second conductor region and the second ground connection position are separately positioned on the both sides of clearance zone, metal shell is without additionally increasing or reserved substantial amounts of empty regions, namely the covering of metal shell is not affected on the one hand, on the other hand owing to becket limit arranges near field communication antenna without cutting off or slotting, the difficulty of processing of metal shell can be reduced, in addition, adopt the impact on the magnetic flux of near field communication antenna of the earth-continuity part for ground connection that the above-mentioned arranging near field communication antenna can reduce on the ground connection position of the first conductor region.
As optionally, the side of near field communication antenna is positioned at clearance zone, and near field communication antenna is positioned at the side of clearance zone and arranges along the edge of clearance zone.
It is understandable that, coil inner side cabling needs the inside edge cabling hollowing out district along metal as much as possible, and this metal hollows out some position of metal edge frame that is tuned at of the wireless communication function antenna (main antenna/diversity antenna/gps antenna/Bluetooth antenna and WIFI antenna etc.) that district refers to be easy to terminal and done cut-out and process the annular region with small gap formed. In order to improve near field communication antenna performance while can not affect again the debugging of other function antennas, as much as possible can keep certain spacing while the inside edge cabling that near field communication antenna inner side cabling hollows out district further along metal with other function antennas; The out conductor group of near field communication antenna can increase live width or distance between centers of tracks as much as possible not affecting on the basis of other function antenna tunings, and the distributing point of near field communication antenna can be arranged on arbitrary position of coil.
As optionally, near field communication antenna includes feeder loop 31, and feeder loop includes the circulus of more than a layer.
As optionally, feeder loop is monolayer N ring pack structure or double-deck N ring pack structure, and wherein N is the integer be more than or equal to 2.
It should be noted that near field communication antenna (i.e. near field communication antenna) is arranged in the part in each ring electric conduction routing that the part of clearance zone is monolayer multi-ring pack structure or double-deck multi-ring pack structure.
It is understandable that, near field communication antenna can include the circulus of more than a layer, and the circulus of every layer is not only one of which ring but is made up of multiple rings, the centre of circulus is peristome, for example, can be monolayer N ring pack structure or double-deck N ring pack structure, certainly more multi-layered structure, it is also suitable equally such as three-decker etc., specifically can select according to the position in the space and near field communication antenna of arranging near field communication antenna, specifically be not construed as limiting.
As optionally, circulus includes circular ring or oval circulus or rectangular configuration.
It is understandable that, restriction due to terminal inner structure, it is also possible that the shape of other devices and the position restriction near field communication antenna position, the circulus of near field communication antenna can be circular ring, oval circulus or rectangular configuration, can select according to actual needs, certainly, polygonal circulus and various similar circulus are equally applicable, are not construed as limiting herein.
Referring to another embodiment figure that Fig. 3, Fig. 3 are the near field communication antenna devices of this utility model embodiment, as optionally, near field communication antenna also includes the ferrite layer 32 being arranged on feeder loop.
It is understood that owing near field communication antenna is a kind of near-field coupling antenna, its 13.56Mhz wavelength is very long, and reading/writing distance is very short, suitable coupled modes are magnetic field couplings, and coil is suitable coupled modes. Owing to the consumer product of terminal etc has significantly high appearance requirement, therefore near field communication antenna is it is generally required to built-in. But postponing near field communication antenna, near field communication antenna is necessary for the parts containing metallic conductor composition such as mainboard and battery. So the consequence of design is that near field communication antenna can produce eddy current to weaken the magnetic field of antenna at conductive surface. Accordingly, it would be desirable to arrange one layer of structure for magnetic shield near field communication antenna, namely it is arranged on the ferrite layer on feeder loop herein.
As optionally, the printed circuit board (PCB) of the first ground connection position and the second equal counterpart terminal in ground connection position is arranged.
It is understood that the structure that corresponding printed circuit board (PCB) setting enables to earth-continuity part is more succinct.
As optionally, the second conductor region is arranged with near field communication antenna stacking.
It is understood that stacking is arranged, that near field communication antenna can be made to take up room is less.
As optionally, the first conductor region includes first antenna 211 and/or the second antenna 212.
It is understandable that, for multiple antennas that adaptive terminal has, first antenna and/or the second antenna can be marked off in the first conductor region, other function antennas as terminal, first conductor region and the second conductor region, without striding across clearance zone by metal ribs, can realize the good conducting of the first conductor region and the second conductor region.
As optionally, the first ground connection position is provided with and the first ground connections 5 of earthing member conducting, and the second ground connection position is provided with and the second ground connections 6 of earthing member conducting.
It is understood that the second ground connection position of the first ground connection position of the first conductor region and the second conductor region all can be passed through as earth-continuity part and earthing member conducting, earthing member can be generally the ground plane 41 of terminal, as being arranged on the ground plane on PCB4.
As optionally, the first ground connections and the second ground connections are shell fragment, screw, flexible print circuit (FlexiblePrintedCircuit, FPC) or earth-continuity part.
It is understandable that, the form of the first ground connections and the second ground connections can have a variety of, as long as enabling to the first ground connection position and the second ground connection potential energy being enough and earthing member carries out turning on, can be such as spring-piece type conducting, adopt screw conducting, adopt FPC conducting etc., can suitably choose according to actual design requirement, be specifically not construed as limiting.
Above the near field communication antenna device of this utility model embodiment is described, below the terminal adopting above-mentioned near field communication antenna device is introduced, as shown in Figure 2, this terminal includes the near field communication antenna device of above-described embodiment 1, also include metal shell, metal shell includes the metal shell 2 of near field communication antenna device, being additionally provided with ground plane on the PCB of terminal, the first ground connection position and the second ground connection position of near field communication antenna device electrically connect with ground plane each through earth-continuity part.
It is understood that earth-continuity part can be the first ground connections or the second ground connections, PCB is additionally provided with the grounding leg 42 that the ground plane with PCB turns on, the first ground connections or the second ground connections by this grounding leg ground connection.
Can be seen that, in this terminal, on metal shell, near field communication antenna device is respectively provided on two sides with the first ground connection position and the second ground connection position, and lay respectively at the both sides of clearance zone, metal shell is without additionally increasing or reserved substantial amounts of empty regions, namely the covering of metal shell is not affected on the one hand, on the other hand owing to becket limit arranges near field communication antenna without cutting off or slotting, the difficulty of processing of metal shell can be reduced, in addition, adopt the impact on the magnetic flux of near field communication antenna of the earth-continuity part for ground connection that the above-mentioned arranging near field communication antenna can reduce on the ground connection position of the first conductor region.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, it is possible to reference to the corresponding process in preceding method embodiment, do not repeat them here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method, it is possible to realize by another way.Such as, device embodiment described above is merely schematic, such as, the division of described unit, being only a kind of logic function to divide, actual can have other dividing mode when realizing, for instance multiple unit or assembly can in conjunction with or be desirably integrated into another system, or some features can ignore, or do not perform. Another point, shown or discussed coupling each other or direct-coupling or communication connection can be through INDIRECT COUPLING or the communication connection of some interfaces, device or unit, it is possible to be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, and the parts shown as unit can be or may not be physical location, namely may be located at a place, or can also be distributed on multiple NE. Some or all of unit therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of this utility model can be integrated in a processing unit, it is also possible to be that unit is individually physically present, it is also possible to two or more unit are integrated in a unit. Above-mentioned integrated unit both can adopt the form of hardware to realize, it would however also be possible to employ the form of SFU software functional unit realizes.
The above, above example only in order to the technical solution of the utility model to be described, is not intended to limit; Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent replacement; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of this utility model.
Claims (10)
1. a near field communication antenna device, it is characterized in that: described near field communication antenna device includes metal shell, described metal shell is provided with clearance zone, described metal shell is divided into the first conductor region and the second conductor region by described clearance zone, described second conductor region is provided with the near field communication antenna arranged with described second conductor region stacking, the first ground connection position for described first conductor region ground connection it is provided with in described first conductor region, the second ground connection position for described second conductor region ground connection it is provided with in described second conductor region, described first ground connection position and described second ground connection position lay respectively at the both sides of described clearance zone.
2. near field communication antenna device according to claim 1, it is characterised in that: the side of described near field communication antenna is positioned at described clearance zone, and described near field communication antenna is positioned at the side of described clearance zone and arranges along the edge of described clearance zone.
3. near field communication antenna device according to claim 2, it is characterised in that: described near field communication antenna includes feeder loop, and described feeder loop includes the circulus of more than a layer.
4. near field communication antenna device according to claim 3, it is characterised in that: described feeder loop is monolayer N ring pack structure or double-deck N ring pack structure, and wherein N is the integer be more than or equal to 2.
5. near field communication antenna device according to claim 4, it is characterised in that: described circulus includes circular ring or oval circulus or rectangular configuration, and described near field communication antenna also includes the ferrite layer being arranged on feeder loop.
6. near field communication antenna device according to claim 1, it is characterised in that: the printed circuit board (PCB) of described first ground connection position and the described second equal counterpart terminal in ground connection position is arranged.
7. near field communication antenna device according to claim 1, it is characterised in that: described second conductor region is arranged with described near field communication antenna stacking.
8. near field communication antenna device according to any one of claim 1 to 7, it is characterized in that: described first ground connection position is provided with and the first ground connections of earthing member conducting, and described second ground connection position is provided with the second ground connections turned on described earthing member.
9. near field communication antenna device according to claim 8, it is characterised in that: described first ground connections and the second ground connections are shell fragment, screw, flexible PCB FPC or earth-continuity part.
10. a terminal, it is characterized in that: described terminal includes near field communication antenna device as claimed in any one of claims 1-9 wherein, described terminal also includes metal shell, described metal shell includes the metal shell of near field communication antenna device, being additionally provided with ground plane on the printing board PCB of described terminal, the first ground connection position and the second ground connection position of described near field communication antenna device electrically connect with described ground plane each through earth-continuity part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004769.7U CN205319303U (en) | 2015-12-04 | 2015-12-04 | Near field communications array device and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004769.7U CN205319303U (en) | 2015-12-04 | 2015-12-04 | Near field communications array device and terminal |
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| Publication Number | Publication Date |
|---|---|
| CN205319303U true CN205319303U (en) | 2016-06-15 |
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| CN201521004769.7U Active CN205319303U (en) | 2015-12-04 | 2015-12-04 | Near field communications array device and terminal |
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| CN (1) | CN205319303U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449340A (en) * | 2015-12-04 | 2016-03-30 | 魅族科技（中国）有限公司 | Near field communication antenna apparatus and terminal |
| CN106207441A (en) * | 2016-06-29 | 2016-12-07 | 青岛海信移动通信技术股份有限公司 | The NFC antenna of a kind of mobile terminal and mobile terminal |
| CN106207442A (en) * | 2016-06-29 | 2016-12-07 | 青岛海信移动通信技术股份有限公司 | The NFC antenna of a kind of mobile terminal and mobile terminal |
-
2015
- 2015-12-04 CN CN201521004769.7U patent/CN205319303U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449340A (en) * | 2015-12-04 | 2016-03-30 | 魅族科技（中国）有限公司 | Near field communication antenna apparatus and terminal |
| CN106207441A (en) * | 2016-06-29 | 2016-12-07 | 青岛海信移动通信技术股份有限公司 | The NFC antenna of a kind of mobile terminal and mobile terminal |
| CN106207442A (en) * | 2016-06-29 | 2016-12-07 | 青岛海信移动通信技术股份有限公司 | The NFC antenna of a kind of mobile terminal and mobile terminal |
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Address after: 519085 Guangdong Zhuhai science and technology innovation coastal Meizu Technology Building Patentee after: MEIZU TECHNOLOGY Co.,Ltd. Address before: 519000 technology innovation coastal Meizu science and technology building, Zhuhai, Guangdong Patentee before: Meizu Technology (China) Co.,Ltd. |
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