CN201663226U - Close range wireless communication antenna assembly and mobile terminal - Google Patents
Close range wireless communication antenna assembly and mobile terminal Download PDFInfo
- Publication number
- CN201663226U CN201663226U CN2009203501285U CN200920350128U CN201663226U CN 201663226 U CN201663226 U CN 201663226U CN 2009203501285 U CN2009203501285 U CN 2009203501285U CN 200920350128 U CN200920350128 U CN 200920350128U CN 201663226 U CN201663226 U CN 201663226U
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- coil
- coiled wire
- wireless communication
- range wireless
- feedback point
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Abstract
The utility model discloses a close range wireless communication antenna assembly and a mobile terminal; the close range wireless communication antenna assembly comprises a shell structure, a close range wireless communication antenna and a permeability magnetic material body; wherein the close range wireless communication antenna and the permeability magnetic material body are embedded among the shell structures; by virtue of the technical proposal in the embodiment of the utility model, the space of the terminal can be saved, the appearance of the terminal products is improved, the assembling precision is improved, and the close range wireless communication antenna assembly has protection function to the routing of inside winding coils.
Description
Technical field
The utility model relates to communication technical field, particularly relates to a kind of close range wireless communication antenna assembly and portable terminal.
Background technology
In correlation technique, close range wireless communication (Near Field Communication abbreviates NFC as) is a kind of non-contact automatic identification technology, and NFC utilizes space electromagnetic induction or electromagnetic propagation to communicate, to reach the purpose of automatic identifying object.
At present, NFC becomes the mainstream technology of mobile non-contact application gradually, exchanges, reads in common application, business card in the application such as placard, gate inhibition's exhibition, personnel tracking management, Food Inspection are false proof, stored value card credit card to have broad prospects.
Handheld terminal manufacturer more and more pays close attention to the development of NFC.Because the antenna of NFC relies on magnetic field to be coupled and transmits energy, swap data and synchronizing information.Therefore, in the prior art, generally will be printed on flexible printed circuit board (the Flexible Printed Circuit of aerial coil, abbreviate FPC as) be attached on the parts of handheld terminal in the mode of pasting, and absorb magnetic field energy to avoid the metal on the terminal with covering Ferrite Material above the FPC again.
Development trend along with lightening, the miniaturization of handheld terminal, market has proposed more requirement to end fitting outward appearance, integration, reliability etc., therefore, the method that in the mode of sticking obedient FPC the NFC antenna is set on the handheld terminal parts is difficult to satisfy the demand of user to product appearance, durability.
The utility model content
Problem to be solved in the utility model provides a kind of close range wireless communication antenna assembly and portable terminal, is difficult to satisfy the defective of user to the demand of product appearance, durability to overcome in the prior art on the handheld terminal parts method that mode with sticking obedient FPC is provided with the NFC antenna.
According to an aspect of the present utility model, a kind of close range wireless communication antenna assembly is provided, comprise shell structurre, close range wireless communication antenna and permeability magnetic material body body, wherein, close range wireless communication antenna and permeability magnetic material body body are embedded between shell structurre.
According to another aspect of the present utility model, a kind of portable terminal is provided, comprising: above-mentioned close range wireless communication antenna assembly.
The utility model beneficial effect is as follows:
The utility model embodiment is by being arranged at coiled wire-wound coil and permeability magnetic material body in the middle of the shell structurre of terminal; shell structurre and NFC antenna is integrated; overcome in the prior art method that mode with sticking obedient FPC is provided with the NFC antenna and be difficult to satisfy the defective of user the demand of product appearance, durability, can save terminal the space, improve the end product outward appearance, improve assembly precision and the cabling of the coiled wire-wound coil of inside played protective effect.
Description of drawings
Fig. 1 is the structural representation of the close range wireless communication antenna assembly of the utility model embodiment;
Fig. 2 is the schematic diagram of the close range wireless communication antenna assembly preferred structure of the utility model embodiment;
Fig. 3 is the schematic diagram of the preferred winding of coiled wire-wound coil of the utility model embodiment.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
Device embodiment one
According to embodiment of the present utility model, a kind of close range wireless communication antenna assembly is provided, Fig. 1 is the structural representation of the close range wireless communication antenna assembly of the utility model embodiment, as shown in Figure 1, comprise shell structurre 10, close range wireless communication antenna 12 and permeability magnetic material body 14, wherein, close range wireless communication antenna 12 and permeability magnetic material body 14 are embedded between shell structurre 10.
Need to prove that close range wireless communication antenna 12 is made up of coiled wire-wound coil and feedback point: shell structurre 10 can be as a whole, preferably, in the utility model embodiment, shell structurre 10 also can and be synthesized by nexine structural member and layer structure spare pressure.
Preferably, in the utility model embodiment, close range wireless communication antenna 12 and permeability magnetic material body 14 are embedded between shell structurre 10 and are specially:
On the inner surface of coiled wire-wound coil in the close range wireless communication antenna 12 attached to the layer structure spare of shell structurre 10, wherein, coiled wire-wound coil is that two groups of difference coil windings that are separated with insulating material form; Feedback point in the close range wireless communication antenna 12 is connected to the two groups of difference coils and the ground of coiled wire-wound coil respectively, and passes the outer surface of the nexine structural member of shell structurre 10; Permeability magnetic material body 14 is arranged between the nexine structural member inner surface of coiled wire-wound coil in the close range wireless communication antenna 12 and shell structurre 10.
By above-mentioned processing, can save terminal the space, improve the end product outward appearance, improve assembly precision and the cabling of the coiled wire-wound coil of inside played protective effect.
Below, in conjunction with the accompanying drawings, a kind of preferred structure of the utility model embodiment close range wireless communication antenna assembly is elaborated.Fig. 2 is the schematic diagram of the close range wireless communication antenna assembly preferred structure of the utility model embodiment, as shown in Figure 2, comprises nexine structural member 20, layer structure spare 22, coiled wire-wound coil 24, feedback point 26 and permeability magnetic material body 28.
Particularly, nexine structural member 20 and 22 pressings of layer structure spare become the shell of terminal, accompany coiled wire-wound coil 24 and permeability magnetic material body 28 in the middle of nexine structural member 20 and the layer structure spare 22; On the inner surface of coiled wire-wound coil 24 attached to layer structure spare 22, wherein, coiled wire-wound coil 24 forms for two groups of difference coil windings that are separated with insulating material; Feedback point 26 is connected to the two groups of difference coils and the ground of coiled wire-wound coil 24 respectively, and passes the outer surface of nexine structural member 20; Permeability magnetic material body 28 is arranged between coiled wire-wound coil 24 and nexine structural member 20 inner surfaces.
That is to say that permeability magnetic material body 28 and coiled wire-wound coil 24 are enclosed in the structural member the inside of being made up of nexine structural member 20 and layer structure spare 22, the user can only see feedback point 26 from the outside, and can't see the cabling and the permeability magnetic material body 28 of coiled wire-wound coil 24.
By above-mentioned processing, can save terminal the space, improve the end product outward appearance, improve assembly precision and the cabling of the coiled wire-wound coil of inside played protective effect.
Below, each member in the close range wireless communication antenna is elaborated.
Nexine structural member 20 and layer structure spare 22 are preferably plastic material in the close range wireless communication antenna.In addition, in actual production, nexine structural member 20 and layer structure spare 22 can pressing become the battery cover of terminal.
Coiled wire-wound coil 24 is two groups of difference coils, and two groups of difference coils are isolated with one deck insulating varnish.Fig. 3 is the schematic diagram of the preferred winding of coiled wire-wound coil of the utility model embodiment, as shown in Figure 3, coiled wire-wound coil 24 is the regular geometric structure of circle, ellipse, rectangle or similar rectangle, must guarantee two groups of difference coils symmetry relatively, its area of the regular geometric structure of coiled wire-wound coil 24 is more than or equal to 8 square centimeters, and Width is not less than 2 centimetres.In addition, coiled wire-wound coil 24 can the inner surface of mode attached to layer structure spare 22 with laser electroplating on.
In actual applications, because the physical dimension of coiled wire-wound coil 24 is directly related with the inductance of feedback point 26, can influence the performance of close range wireless communication antenna, therefore, coiled wire-wound coil 24 must have suitable physical dimension, and the tolerance that this physical dimension can guarantee to present a little 26 inductance is no more than ± and 5%.That is to say that the physical dimension of coiled wire-wound coil 24 must guarantee that Ant1 can not surpass ± 5% to inductance L 1 and the Ant2 of GND to differing between the inductance L 2 of GND.
Permeability magnetic material body 28 is preferably Ferrite Material, Ferrite Material is the higher magnetic conduction substance of magnetic permeability, the thickness homogeneous of Ferrite Material, in the utility model embodiment, its thickness can be selected according to the cabling of concrete coiled wire-wound coil 24 and the thickness requirement of battery cover, and typical thickness is 0.25mm.The mode that permeability magnetic material body 28 can pass through spraying is attached to above the coiled wire-wound coil 24, and the inner surface of close nexine structural member 20.Preferably, can also be provided with glue-line between permeability magnetic material body 28 and the coiled wire-wound coil 24.In order to reach isolation effect preferably, the utility model embodiment recommends the magnetic permeability u ' of Ferrite Material to be greater than 40 when 13.56MHz.
In sum, in actual production, on the pad of the coiled wire-wound coil 24 of metal and feedback point 26 can be imprinted on the inner surface of layer structure spare 22 with the mode of laser electroplating, must guarantee two groups of difference coil symmetries of coiled wire-wound coil 24, two groups of difference coils of coiling separate with insulating varnish up and down, guarantee mutually insulated.Subsequently, paste one deck glue earlier on coiled wire-wound coil 24, mask spraying Ferrite Material powder is assembled together layer structure spare 22 and nexine structural member 20 at last again, makes double-layer structure spare constitute similar sandwich structure together with the aerial radiation main body.
Carry out processing and fabricating in kind according to aforesaid operations, and utilize vector network analyzer, signal source, spectrum analyzer is tested the impedance of antenna and resonance frequency etc., and the resonant circuit of antenna carried out emulation, measured result shows that close range wireless communication antenna of the present utility model has well satisfied the electrical performance indexes requirement of antenna in the design frequency scope, antenna can reach good radiance, meets the NFC product to the radio frequency performance demands.
By above-mentioned processing; overcome in the prior art method that mode with sticking obedient FPC is provided with the NFC antenna and be difficult to satisfy the defective of user the demand of product appearance, durability, can save terminal the space, improve the end product outward appearance, improve assembly precision and the cabling of the coiled wire-wound coil of inside played protective effect.
Device embodiment two
According to embodiment of the present utility model, a kind of terminal is provided, comprise the close range wireless communication antenna described in the device embodiment one.
Embodiment is a kind of has been described in detail at device for this close range wireless communication antenna, can comparable device embodiment one in content corresponding understand, do not repeat them here.
By means of the technical solution of the utility model, can save terminal the space, improve the end product outward appearance, improve assembly precision and the cabling of the coiled wire-wound coil of inside played protective effect.
The above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. a close range wireless communication antenna assembly is characterized in that, comprises shell structurre, close range wireless communication antenna and permeability magnetic material body, and wherein, described close range wireless communication antenna and described permeability magnetic material body are embedded between described shell structurre.
2. device as claimed in claim 1 is characterized in that, described shell structurre is pressed by nexine structural member and layer structure spare and synthesized, and described close range wireless communication antenna is made up of coiled wire-wound coil and feedback point:
Described close range wireless communication antenna and described permeability magnetic material body are embedded between described shell structurre and are specially:
On the inner surface of described coiled wire-wound coil attached to described layer structure spare, wherein, described coiled wire-wound coil is that two groups of difference coil windings that are separated with insulating material form;
Described feedback point is connected to the described two groups of difference coils and the ground of described coiled wire-wound coil respectively, and passes the outer surface of described nexine structural member;
Described permeability magnetic material body is arranged between described coiled wire-wound coil and the described nexine structural member inner surface.
3. device as claimed in claim 1 is characterized in that, described shell structurre is a plastic material.
4. device as claimed in claim 2 is characterized in that, on the inner surface of mode attached to described layer structure spare of described coiled wire-wound coil with laser electroplating.
5. device as claimed in claim 2 is characterized in that, the described two groups of difference coils in the described coiled wire-wound coil are symmetrical, and the area of described coiled wire-wound coil is more than or equal to 8 square centimeters, and width is more than or equal to 2 centimetres.
6. device as claimed in claim 2 is characterized in that the height of described feedback point is concordant with the outer surface of described nexine structural member.
7. device as claimed in claim 2, it is characterized in that, described feedback point comprises first difference coil feedback point, second difference coil feedback point, and ground connection feedback point, described first difference coil feedback point is connected to one group of difference coil in the described coiled wire-wound coil, described second difference coil feedback point is connected to another group difference coil in the described coiled wire-wound coil, described ground connection feedback point connects ground, wherein, the scope of described first difference coil feedback point to the inductance of described ground connection feedback point and described second difference coil feedback point to the difference of the inductance of described ground connection feedback point is positive and negative 5 percent for being no more than, and the described first difference coil is presented and the described second difference coil is presented the inductance at a two ends between 300 nanohenry to 1500 nanohenrys.
8. device as claimed in claim 1 is characterized in that, described permeability magnetic material body is a Ferrite Material, by the spraying mode attached on the described coiled wire-wound coil.
9. device as claimed in claim 2 is characterized in that, is provided with glue-line between described permeability magnetic material body and the described coiled wire-wound coil.
10. a portable terminal is characterized in that, comprises each described close range wireless communication antenna assembly in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203501285U CN201663226U (en) | 2009-12-25 | 2009-12-25 | Close range wireless communication antenna assembly and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203501285U CN201663226U (en) | 2009-12-25 | 2009-12-25 | Close range wireless communication antenna assembly and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201663226U true CN201663226U (en) | 2010-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203501285U Expired - Lifetime CN201663226U (en) | 2009-12-25 | 2009-12-25 | Close range wireless communication antenna assembly and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201663226U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012136026A1 (en) * | 2011-04-08 | 2012-10-11 | 中兴通讯股份有限公司 | Shell body of terminal front shell and terminal |
| CN105552537A (en) * | 2015-12-11 | 2016-05-04 | 上海德门电子科技有限公司 | Two-panel differential coil-type antenna |
| CN105826664A (en) * | 2015-09-07 | 2016-08-03 | 维沃移动通信有限公司 | Method for making antenna and antenna structure |
| CN106887676A (en) * | 2017-02-13 | 2017-06-23 | 联想(北京)有限公司 | A kind of electronic equipment |
| US9954583B2 (en) | 2014-03-28 | 2018-04-24 | Byd Company Limited | Mobile terminal and near field communication antenna |
-
2009
- 2009-12-25 CN CN2009203501285U patent/CN201663226U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012136026A1 (en) * | 2011-04-08 | 2012-10-11 | 中兴通讯股份有限公司 | Shell body of terminal front shell and terminal |
| US9954583B2 (en) | 2014-03-28 | 2018-04-24 | Byd Company Limited | Mobile terminal and near field communication antenna |
| CN105826664A (en) * | 2015-09-07 | 2016-08-03 | 维沃移动通信有限公司 | Method for making antenna and antenna structure |
| CN105552537A (en) * | 2015-12-11 | 2016-05-04 | 上海德门电子科技有限公司 | Two-panel differential coil-type antenna |
| CN106887676A (en) * | 2017-02-13 | 2017-06-23 | 联想(北京)有限公司 | A kind of electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101201 |