CN107562121A - A kind of terminal with NFC function - Google Patents

A kind of terminal with NFC function Download PDF

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Publication number
CN107562121A
CN107562121A CN201610507782.7A CN201610507782A CN107562121A CN 107562121 A CN107562121 A CN 107562121A CN 201610507782 A CN201610507782 A CN 201610507782A CN 107562121 A CN107562121 A CN 107562121A
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CN
China
Prior art keywords
nfc
nfc antenna
terminal
camera module
antenna
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610507782.7A
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Chinese (zh)
Inventor
雷振飞
孙伟
王向东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to CN201610507782.7A priority Critical patent/CN107562121A/en
Publication of CN107562121A publication Critical patent/CN107562121A/en
Pending legal-status Critical Current

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Abstract

The disclosure is directed to a kind of terminal with NFC function, belong to field of terminal technology.The terminal includes metal back cover, camera module, and the terminal also includes:Non-conductive shading ring and NFC antenna, metal back cover are provided with perforate, and perforate is used to accommodate camera module, NFC antenna and non-conductive shading ring;NFC antenna is arranged on the exterior lateral area of camera module, and the internal diameter of NFC antenna is not less than the diameter of camera module;Non-conductive shading ring is arranged on the exterior lateral area of NFC antenna, and the internal diameter of non-conductive shading ring is not less than the external diameter of NFC antenna, and the outer surface of the non-conductive shading ring is attached at the edge of the perforate.Due to NFC antenna is arranged on into terminal external surface, itself and metal back cover are kept apart by non-conductive shading ring, not only reduce the design difficulty of antenna, and improves the radianting capacity of antenna;In addition, NFC antenna is configured around the camera module of terminal, combined together with camera module, it is ensured that the industrial aesthetic feeling of terminal.

Description

A kind of terminal with NFC function
Technical field
This disclosure relates to field of terminal technology, more particularly to a kind of terminal with NFC function.
Background technology
With the continuous development of scientific technology, the function that terminal possesses is more and more.For example it will be used to pay at present NFC (Near Field Communication, near-field communication) antenna of scene is installed in terminal.Wherein, NFC technique be with Based on RFID (Radio Frequency Identification, radio frequency identification) technology, do what is communicated using the matching of common coupling Hardware handles technology.NFC antenna installed in terminal inner is led to using magnetic coupling with being loaded with the NFC reader of coil Letter.
However, at present based on considering for visual sense of beauty and product quality etc. is lifted, most of terminal employs entirely The metal back cover of closing is designed.It is in due to NFC antenna in the metal environment of closing, this causes the radiation energy of NFC antenna Power significantly weakens, and metal back cover generates serious harmful effect to the normal work of NFC antenna.In addition, designed in terminal inner The more difficult operation of NFC antenna, and big quantity space can be taken, add termination thickness.How NFC antenna is designed for this, to avoid out Existing above mentioned problem, become a focus of those skilled in the art's concern.
The content of the invention
To overcome problem present in correlation technique, the disclosure provides a kind of terminal with NFC function.The terminal bag Metal back cover, camera module are included,
The terminal also includes:Non-conductive shading ring and NFC antenna, the metal back cover is provided with perforate, described to open Hole is used to accommodate the camera module, the NFC antenna and the non-conductive shading ring;
The NFC antenna is arranged on the exterior lateral area of the camera module, and the internal diameter of the NFC antenna is not less than described The diameter of camera module;
The non-conductive shading ring is arranged on the exterior lateral area of the NFC antenna, and the internal diameter of the non-conductive shading ring is not Less than the external diameter of NFC antenna, the outer surface of the non-conductive shading ring is attached at the edge of the perforate.
In another embodiment, the axis of the NFC antenna, the non-conductive shading ring axis with it is described The axis of camera module overlaps, and the NFC antenna includes NFC coils, and the number of turn of the NFC coils is more than 1.
In another embodiment, the NFC antenna includes ferrimagnetism piece;
The ferrimagnetism piece is attached at one with the NFC coils.
In another embodiment, the NFC antenna and the NFC circuit module phase positioned at the metal back cover inner surface side Even.
In another embodiment, the feed point of the NFC antenna and the NFC circuit positioned at the metal back cover inner surface side Module is connected.
In another embodiment, the feed point of the NFC antenna by shell fragment and is located at the metal back cover inner surface side NFC circuit module be connected.
In another embodiment, the NFC coils are the line around camera module winding wires by layers from inside to outside Circle.
In another embodiment, the NFC coils are rectangular coil or square coil.
In another embodiment, the NFC coils are circular coil or oval coil.
In another embodiment, the NFC coils are planar metal coil.
In another embodiment, the terminal also includes supporting pad, and the supporting pad is located at table in the metal back cover Surface side and the lower section in the NFC antenna.
The technical scheme provided by this disclosed embodiment can include the following benefits:
Due to NFC antenna is arranged on into terminal external surface, and itself and metal back cover are kept apart by non-conductive shading ring, Therefore the design difficulty of antenna is not only reduced, and the radianting capacity of antenna greatly improved;In addition, NFC antenna is around eventually The camera module at end is configured, and is combined together with camera module, has both saved space, in turn ensures that the industry of terminal is beautiful Sense.
It should be appreciated that the general description and following detailed description of the above are only exemplary and explanatory, not The disclosure can be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the present invention Example, and for explaining principle of the invention together with specification.
Figure 1A is a kind of structural representation of terminal with NFC function according to an exemplary embodiment.
Figure 1B is a kind of structural representation of terminal with NFC function according to an exemplary embodiment.
Fig. 2 is a kind of structural representation of NFC antenna according to an exemplary embodiment.
Fig. 3 is a kind of coiling schematic diagram of NFC coils according to an exemplary embodiment.
Fig. 4 is a kind of coiling schematic diagram of NFC coils according to an exemplary embodiment.
Fig. 5 is a kind of coiling schematic diagram of NFC coils according to an exemplary embodiment.
Fig. 6 is a kind of structural representation of terminal with NFC function according to an exemplary embodiment.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment Described in embodiment do not represent and the consistent all embodiments of the present invention.On the contrary, they be only with it is such as appended The example of the consistent apparatus and method of some aspects being described in detail in claims, of the invention.
Figure 1A and Figure 1B is a kind of structural representation of terminal with NFC function according to an exemplary embodiment Figure.Referring to Figure 1A, terminal includes metal back cover 101, camera module 102.In addition, terminal also includes non-conductive shading ring 103 and NFC antenna 104.Wherein, terminal realizes NFC function by NFC antenna 104.As shown in Figure 1B, metal back cover 101 is set There is perforate 105, perforate 105 is used to accommodate camera module 102, non-conductive shading ring 103 and NFC antenna 104.
Wherein, any position that perforate 105 may be provided in metal back cover in principle, but be in order at and be easy to camera module Shot and facilitate considering for the factors such as user's handheld terminal, perforate 105 is generally arranged at metal back cover as shown in Figure 1B 101 top half region.The diameter of perforate 105 both can just coincide with the external diameter of non-conductive shading ring 103, namely perforate 105 can just accommodate non-conductive shading ring 103, and the outer surface side of non-conductive shading ring 103 is attached at the edge of perforate 105; The external diameter of non-conductive shading ring 103 can also be slightly larger than, the embodiment of the present disclosure is limited without specific this.Wherein, perforate 105 Can also be rectangle, square or ellipse etc. in addition to for circle, the embodiment of the present disclosure is limited without specific this.Need It is noted that the shape of NFC antenna is not limited to circle as shown in Figure 1A, Figure 1A is only to show a kind of possible shape Formula.
In order that obtaining the more industrial aesthetic feeling of terminal, the embodiment of the present disclosure is combined NFC antenna 104 with camera module 102 Together, the two is made to combine together.Specifically the practice is:As shown in Figure 1A, NFC antenna 104 is arranged on the outer of camera module 102 Side region, the internal diameter of NFC antenna 104 are not less than the diameter of camera module 102.Wherein, the internal diameter of NFC antenna 104 refers to NFC The minimum diameter for the loop configuration that antenna 104 is formed around the coiling of camera module 102, external diameter refer to above-mentioned loop configuration most Major diameter.
Non-conductive shading ring 103 is arranged on the exterior lateral area of NFC antenna 104, and the internal diameter of non-conductive shading ring 103 is not less than The external diameter of NFC antenna 104.That is, for perforate 105, it is disposed with from outside to inside along the direction for pointing to the center of circle non- Conductive shading ring 103, NFC antenna 104, camera module 102.In order that module profile it is more attractive in appearance and save space, NFC Antenna 104 is generally attached at the inner surface side of non-conductive shading ring 103, and the outer surface side of non-conductive shading ring 103 is attached at The edge of perforate 105, between each other without gap.So, magnetic is utilized between the antenna of NFC antenna 104 and outside NFC reader Communication is realized in field coupling, and then realizes terminal payment function.
It should be noted that if camera module 102 is also to use made of metal material, in camera module Also isolated between 102 and NFC antenna 104 using one layer of shading ring, to avoid metal material to the radiation energy of NFC antenna 104 The weakening of power.For this kind of situation, for perforate 105, the is disposed with from outside to inside along the direction for pointing to the center of circle One layer of non-conductive shading ring, NFC antenna, the non-conductive shading ring of the second layer, camera module.
Wherein, non-conductive shading ring 103 is used made of non-metallic material, such as using organic material or composite Etc. being made.For different types, the camera module 102 of a part of type is protruded from outside metal back cover 101 Surface, i.e. the outer surface of camera module 102 and the outer surface of metal back cover 101 be not in same level.Another part machine The outer surface of the camera module 102 of type is with the outer surface of metal back cover 101 in same level.No matter for upper State any situation, non-conductive shading ring 103 and NFC antenna 104 are all be looped around the region of camera module 102 outer Side, and camera module 102 is not blocked.And the axis of non-conductive shading ring 103, the axis of NFC antenna 104 and with taking the photograph As the axis of head mould group 102 overlaps.
In the disclosed embodiments, NFC coils 1041 and ferrimagnetism piece 1042 are included referring to Fig. 2, NFC antenna 104. Wherein, NFC coils 1041 are planar metal coil, for example NFC coils 1041 are using low resistivity metal coilings such as silver-colored aluminum bronzes The coil formed.In addition, the number of turn of NFC coils 1041 is more than 1.Under normal circumstances, for the purpose of ensuring that the signal intensity and section of antenna About space is considered, and the number of turn of NFC coils 1041 is defined between 1 to 10.In this number range, NFC both may insure Antenna has good near-field communication effect, can reduce the occupancy to space again.Ferrimagnetism piece 1042 and NFC coils 1041 are attached at one.
In the disclosed embodiments, when etching NFC antenna 104, the shape of NFC coils 1041 is including but not limited to following It is several:
First way, NFC coils 1041 are the circular coil around the winding wires by layers from inside to outside of camera module 102. Referring to Figure 1A, the from coil to coil of camera module 102 at this kind of around opening 105 of situation NFC coils 1041 is rounded carry out around System.And NFC coils 1041 surround diameter of the diameter more than camera module 102 of the smallest circular formed.
The second way, NFC coils 1041 are the rectangle line around the winding wires by layers from inside to outside of camera module 102 Circle.Referring to Fig. 3, the from coil to coil of camera module 102 at this kind of around opening 105 of situation NFC coils 1041 be rectangle into Row coiling.And NFC coils 1041 surround the diameter that the minimum rectangular bond length formed is more than camera module 102.
The third mode, NFC coils 1041 are the square line around the winding wires by layers from inside to outside of camera module 102 Circle.Referring to Fig. 4, the from coil to coil of camera module 102 at this kind of around opening 105 of situation NFC coils 1041 it is square enter Row coiling.And NFC coils 1041 surround diameter of the length of side more than camera module 102 of the smallest square formed.
4th kind of mode, NFC coils 1041 are the elliptical line around the winding wires by layers from inside to outside of camera module 102 Circle.Referring to Fig. 5, the from coil to coil of camera module 102 at this kind of around opening 105 of situation NFC coils 1041 it is oval enter Row coiling.And NFC coils 1041 surround diameter of the short axle length more than camera module 102 of the minimum ellipse shape formed.
After NFC coils 1041 are carried out into above-mentioned coiling, camera module 102 is in the central part of NFC antenna 104. In another embodiment, referring to Fig. 6, the feed point 1043 of NFC antenna 104 and the NFC circuit positioned at the inner surface side of metal back cover 101 Module 106 is connected, and specifically feed point 1043 is connected by shell fragment 107 with NFC circuit module 106.
Signal so in NFC circuit module 106 is after circuit after filtering and impedance matching circuit etc. by shell fragment 107 It is transferred to NFC antenna 104.Feed point 1043 of the AC signal Jing Guo NFC antenna 104, in NFC coils 1041 by its antenna around Line, then NFC circuit module 106 is returned to via feed point 1043, form loop.In addition, as shown in fig. 6, the embodiment of the present disclosure may be used also The supporting pad 108 of one non-metallic material is provided, the supporting pad 108 is located at the inner surface side of metal back cover 101, and in NFC days The lower section of line 104, for supporting NFC antenna 104 and isolation positioned at the terminal mainboard of metal back cover inner surface side.
It should be noted that in the disclosed embodiments the inner surface side of metal back cover 101 be relative to outer surface side and Speech, its outer surface refers to leakage outside terminal and positioned at that surface at terminal back.Inner surface refers to and is closed in end That surface inside end.NFC antenna 104 is provided on the outer surface of terminal back in the disclosed embodiments, passes through this The exposed design in terminal back outer surface of kind, come the metal environment pair closed when avoiding NFC antenna being arranged on terminal inner The weakening of antenna radiation capability, the radianting capacity of antenna is lifted with this.
The terminal that the embodiment of the present disclosure provides, due to NFC antenna is arranged on into terminal external surface, and passes through non-conductive isolation Ring keeps apart itself and metal back cover, therefore not only reduces the design difficulty of antenna, and the radiation of antenna greatly improved Ability;In addition, NFC antenna is configured around the camera module of terminal, combined together with camera module, both saved sky Between, in turn ensure that the industrial aesthetic feeling of terminal.
Those skilled in the art will readily occur to the present invention its after considering specification and putting into practice invention disclosed herein Its embodiment.The application be intended to the present invention any modification, purposes or adaptations, these modifications, purposes or Person's adaptations follow the general principle of the present invention and including the undocumented common knowledges in the art of the disclosure Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following Claim is pointed out.
It should be appreciated that the invention is not limited in the precision architecture for being described above and being shown in the drawings, and And various modifications and changes can be being carried out without departing from the scope.The scope of the present invention is only limited by appended claim.

Claims (11)

1. a kind of terminal with NFC function, the terminal includes metal back cover, camera module, it is characterised in that the end End also includes:Non-conductive shading ring and near-field communication NFC antenna, the metal back cover are provided with perforate, and the perforate is used for Accommodate the camera module, the NFC antenna and the non-conductive shading ring;
The NFC antenna is arranged on the exterior lateral area of the camera module, and the internal diameter of the NFC antenna is not less than the shooting The diameter of head mould group;
The non-conductive shading ring is arranged on the exterior lateral area of the NFC antenna, and the internal diameter of the non-conductive shading ring is not less than The external diameter of the NFC antenna, the outer surface of the non-conductive shading ring are attached at the edge of the perforate.
2. terminal according to claim 1, it is characterised in that the axis of the NFC antenna, the non-conductive shading ring Axis of the axis with the camera module overlap, the NFC antenna includes NFC coils, the circle of the NFC coils Number is more than 1.
3. terminal according to claim 2, it is characterised in that the NFC antenna includes ferrimagnetism piece;
The ferrimagnetism piece is attached at one with the NFC coils.
4. terminal according to claim 1, it is characterised in that the NFC antenna is with being located at the metal back cover inner surface The NFC circuit module of side is connected.
5. terminal according to claim 4, it is characterised in that the feed point of the NFC antenna is with being located at the metal back cover The NFC circuit module of inner surface side is connected.
6. terminal according to claim 5, it is characterised in that the feed point of the NFC antenna is described with being located at by shell fragment The NFC circuit module of metal back cover inner surface side is connected.
7. terminal according to claim 2, it is characterised in that the NFC coils are by interior around the camera module To the coil of outer winding wires by layers.
8. terminal according to claim 2, it is characterised in that the NFC coils are rectangular coil or square coil.
9. terminal according to claim 2, it is characterised in that the NFC coils are circular coil or oval coil.
10. described terminal is required according to claim 2, it is characterised in that the NFC coils are planar metal coil.
11. terminal according to claim 1, it is characterised in that the terminal also includes supporting pad, and the supporting pad is located at The metal back cover inner surface side and the lower section in the NFC antenna.
CN201610507782.7A 2016-06-30 2016-06-30 A kind of terminal with NFC function Pending CN107562121A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610507782.7A CN107562121A (en) 2016-06-30 2016-06-30 A kind of terminal with NFC function

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Application Number Priority Date Filing Date Title
CN201610507782.7A CN107562121A (en) 2016-06-30 2016-06-30 A kind of terminal with NFC function

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CN107562121A true CN107562121A (en) 2018-01-09

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CN201610507782.7A Pending CN107562121A (en) 2016-06-30 2016-06-30 A kind of terminal with NFC function

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110572498A (en) * 2019-09-27 2019-12-13 Oppo(重庆)智能科技有限公司 Assembling method of shell assembly, shell assembly and electronic device
CN114257734A (en) * 2020-09-23 2022-03-29 亚德诺半导体国际无限责任公司 System and method for integrated camera and phased array antenna for electronic toll collection

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203351736U (en) * 2013-06-26 2013-12-18 惠州比亚迪实业有限公司 NFC (Near Field Communication) antenna assembly and mobile phone
CN203932300U (en) * 2014-05-29 2014-11-05 中兴通讯股份有限公司 A kind of near field communication antenna device
CN104979625A (en) * 2015-06-25 2015-10-14 深圳市信维通信股份有限公司 NFC antenna with metal rear casing
CN104993216A (en) * 2015-07-17 2015-10-21 苏州纳安特通信科技有限公司 NFC antenna structure for metal back cover mobile phone

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203351736U (en) * 2013-06-26 2013-12-18 惠州比亚迪实业有限公司 NFC (Near Field Communication) antenna assembly and mobile phone
CN203932300U (en) * 2014-05-29 2014-11-05 中兴通讯股份有限公司 A kind of near field communication antenna device
CN104979625A (en) * 2015-06-25 2015-10-14 深圳市信维通信股份有限公司 NFC antenna with metal rear casing
CN104993216A (en) * 2015-07-17 2015-10-21 苏州纳安特通信科技有限公司 NFC antenna structure for metal back cover mobile phone

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110572498A (en) * 2019-09-27 2019-12-13 Oppo(重庆)智能科技有限公司 Assembling method of shell assembly, shell assembly and electronic device
CN114257734A (en) * 2020-09-23 2022-03-29 亚德诺半导体国际无限责任公司 System and method for integrated camera and phased array antenna for electronic toll collection

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Application publication date: 20180109