CN105048097A - Three-dimensional near-field antenna structure - Google Patents
Three-dimensional near-field antenna structure Download PDFInfo
- Publication number
- CN105048097A CN105048097A CN201510551884.4A CN201510551884A CN105048097A CN 105048097 A CN105048097 A CN 105048097A CN 201510551884 A CN201510551884 A CN 201510551884A CN 105048097 A CN105048097 A CN 105048097A
- Authority
- CN
- China
- Prior art keywords
- conductor plate
- aperture portion
- antenna structure
- coil
- field 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.)
- Granted
Links
Abstract
The invention provides a three-dimensional near-field antenna structure comprising a conductor plate member and an antenna module. The conductor plate member is provided with an opening part enabling the upper and lower surfaces of the conductor plate member to be communicated. The opening part extends to one side edge of the conductor plate member via an opening arranged on the opening part, and the extension part forms a through slot enabling the upper and lower surfaces of the conductor plate member to be communicated. The antenna module comprises a coil which is fixed in the opening part. Insulating part material is arranged between the coil and the opening part so that mutual insulation can be realized. The coil is internally arranged in the conductor plate member so that spatial intensification of the antenna structure is realized. Besides, the conductor plate member is enabled to be used for installing three-dimensional components so that mobile terminal miniaturization is further facilitated and communication performance is enhanced.
Description
Technical field
The present invention relates to field of antenna, particularly one is suitable for the three-dimensional near field antenna structure of NFC (near-field communication) antenna or RFID (radio-frequency (RF) identification) antenna.
Background technology
NFC and RFID technique realize the radio communication of two or more equipment rooms by electromagnetic induction coupled modes, along with this communication mode popularizing in the whole world, coil is as the emitter of NFC and RFID, and utilization rate is on the mobile apparatus also more and more higher, is mainly applied in mobile phone.
The shell of a lot of mobile phone is metallic conductor, because electromagnetic wave cannot penetrate electric conductor, metal material can produce considerable influence to antenna magnetic field, such as may produce eddy current loss to weaken magnetic field energy, change magnetic direction etc., affect communication performance, current a kind of realization reduces impact with the scheme of proper communication, and metal shell is near communication counterpart, coil is placed on metal shell principle communication counterpart and surveys, and on conductor, perforate and fluting realize communication.A kind of scheme that such as certain company of Japan proposes, perforate on metallic conductor, from the center grooved in this hole, this groove reaches the edge on certain one side of metallic conductor always, aerial coil is placed in the below in this hole, coil induces electric current as driving source on metallic conductor, thus produces radiation field to realize near-field communication.
The shortcoming of this technology is that metallic conductor is configured in than coil closer to communication counterpart side, coil is attached to the side of metallic conductor, if like this metallic conductor cannot settle thin stereochemical structure, thus three-dimensional part on communication apparatus cannot be utilized as receiver, be the antenna of a planar structure, the communication performance of this structure has much room for improvement in addition.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of three-dimensional near field antenna structure, coil is built in conductor plate, realizes antenna structure spatially intensive, and makes conductor plate can be used for install three-dimensional part, more be conducive to mobile terminal miniaturization, promote communication performance.
For solving the problem, the present invention proposes a kind of three-dimensional near field antenna structure, comprising:
Conductor plate, be provided with the aperture portion being communicated with conductor plate upper and lower surface, described aperture portion extends to limit, conductor plate side by an opening on it, and extension is configured to the groove being communicated with conductor plate upper and lower surface;
Anneta module, comprises a coil, and described coil is fixed in described aperture portion, is provided with insulation division material with mutually insulated between described coil and aperture portion.
According to one embodiment of present invention, described coil be fixed on described aperture portion inwall on and along the coiling of described aperture portion circumference.
According to one embodiment of present invention, the inwall of described aperture portion vertically extends certain altitude at conductor plate on the surface back on one of communication counterpart side.
According to one embodiment of present invention, described Anneta module also comprises and is arranged at conductor plate back on the magnetic portion material on a surface of communication counterpart side.
According to one embodiment of present invention, also comprise three-dimensional part, it is all or part of is arranged in described aperture portion, and coil winding is on described three-dimensional part.
According to one embodiment of present invention, described three-dimensional part is embedded in mobile phone accessory.
According to one embodiment of present invention, described conductor plate is metal shell and/or metal frame.
According to one embodiment of present invention, described aperture portion is arranged on a side edge of conductor plate and stretches out in this side, and the opening of aperture portion is towards adjacent side, and described groove is the connected surface of described opening to this side.
According to one embodiment of present invention, described aperture portion is arranged on the side near conductor plate, the opening of aperture portion towards this side, groove open communication and this side.
According to one embodiment of present invention, described aperture portion is arranged on the middle part of conductor plate, the opening of aperture portion towards any side, described groove for opening to its towards the straight line groove of this side or curve groove or irregular stripe shape groove.。
According to one embodiment of present invention, a part for described coil is arranged on the surface of the non-aperture portion of conductor plate.
After adopting technique scheme, the present invention has following beneficial effect compared to existing technology: on conductor plate, arrange aperture portion, and the opening of aperture portion is communicated to a certain side of conductor plate by groove always, and aperture portion coil being fixed on conductor plate is inner, by magnetic Field Coupling mode transferring energy between coil and conductor plate, launched by conductor plate or receive magnetic field and communication counterpart side and realize Signal transmissions, the aperture portion that coil is built in conductor plate is inner, reduce the usage space of antenna, and, can also be used in the inside of aperture portion settle three-dimensional part, take full advantage of conductor plate, constitute a 3 D antenna structure, and coil to compare background technology distance communication the other side side nearer, be more conducive to near-field communication, electromagnetic coupled between coil and conductor plate can not produce eddy current, the magnetic line of force direction not affecting outside or externally launch, communication performance is better.
Accompanying drawing explanation
Fig. 1 is the structural representation of the conductor plate of one embodiment of the invention;
Fig. 2 is the structural representation that the aperture portion of the conductor plate of one embodiment of the invention is equipped with coil;
Fig. 3 is the structural representation that the aperture portion of Fig. 2 is equipped with coil and three-dimensional part;
Fig. 4 is the structural representation of the three-dimensional near field antenna structure of one embodiment of the invention;
Fig. 5 is the detonation configuration schematic diagram of the three-dimensional near field antenna structure of Fig. 4;
Fig. 6 is the structural representation of the three-dimensional near field antenna structure of another embodiment of the present invention;
Fig. 7 is the structural representation of the three-dimensional near field antenna structure of another embodiment of the present invention.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.
Set forth a lot of detail in the following description so that fully understand the present invention.But the present invention can be much different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar popularization when intension of the present invention, therefore the present invention is by the restriction of following public concrete enforcement.
Three-dimensional near field antenna structure of the present invention is especially suitable in the near-field communication aerial of mobile phone, particularly the shell of mobile phone is the situation of metal-back, conductor plate is such as the combination of metal shell or metal frame or metal shell and metal frame, opening established by conductor plate, and opening is extended to an edge of conductor plate, thus block conductor plate generation inductive loop, inhibit signal intensity, antenna structure of the present invention has made three-dimensional structure, coil is built in opening, by electromagnetic coupled transmission of signal between coil and conductor plate, and, in opening, can also three-dimensional part be set, it is such as embedded in mobile phone accessory, microphone can be comprised, receiver, loudspeaker, camera, connector, photoflash lamp, more than transducer or other embedded in mobile phone accessories one or more, do not arrange three-dimensional part to be fine yet, by coiler part or be all built in conductor plate, achieve the intensive of space, extremely be beneficial to the miniaturization of mobile terminal, below by specific embodiment, antenna structure of the present invention is described in detail.
Three-dimensional near field antenna structure of the present invention comprises conductor plate and Anneta module.Referring to Fig. 1, conductor plate 1 is provided with the aperture portion 11 being communicated with conductor plate 1 upper and lower surface, that is aperture portion 11 is equivalent to the form in the hole of through conductor plate 1, the shape of this aperture portion 11 is not as restriction, can be such as square, circle or other shapes, the size of this aperture portion 11 is configured to the coil being enough to containing antenna module as required, aperture portion 11 is also provided with the opening be communicated with conductor plate 1 one side, namely square, circular or other have a breach in shape and be formed as the shape do not closed, conductor plate 1 is also provided with one to extend to a side of conductor plate 1 groove 12 from the opening of described aperture portion 11, extension i.e. groove are communicated with conductor plate upper and lower surface equally, side refers to the sidepiece edge for upper and lower surface.
Referring to Fig. 2, Anneta module comprises a coil 2, coil 2 is fixed in aperture portion 11, preferably, in order to keep the thin-walled of conductor plate 1 and hold the stability of coil 2, the inwall of aperture portion vertically extends certain altitude at conductor plate on the surface back on one of communication counterpart side, that is aperture portion has certain thickness perpendicular on conductive surface direction, and these other parts of Thickness Ratio conductor plate are thicker, can certainly be that two end faces of aperture portion 11 are respectively above the upper and lower end face of conductor plate 1, aperture portion 11 has certain wall thickness, on the inwall that coil 2 is fixed on aperture portion 11 and along the circumferential coiling of aperture portion 11, insulation division material is provided with mutually insulated between coil 2 and aperture portion 11, thus realize being coupled transmission of signal by the mode of electromagnetic induction between coil 2 and conductor plate 1, external magnetic field excitation conductor plate, excitation coil 2 after conductor plate 1 and coil 2 electromagnetic induction, thus Received signal strength, otherwise, magnetic field coil 2, excitation conductor plate 1 after electromagnetic induction between coil 2 and conductor plate 1, thus outwards transmit.
In one embodiment, coil 2 can not exclusively be arranged in the aperture portion 11 of conductor plate 1, also can be that part is arranged in aperture portion 11, and another part of coil 2 is arranged on the surface outside conductor plate aperture portion 11.
Referring to Fig. 3, in one embodiment, three-dimensional near field antenna structure also comprises three-dimensional part 3, it is all or part of to be arranged in described aperture portion 11 and to be supported by the inwall of aperture portion 11, coil 2 is wound on three-dimensional part 3, certain three-dimensional part 3 also can not be arranged in aperture portion 11, and is arranged on other positions, in one embodiment, three-dimensional part is embedded in mobile phone accessory, three-dimensional part comprises one or more combination following: microphone, receiver, loudspeaker, camera, connector, photoflash lamp, transducer; Can certainly be miscellaneous part, not as restriction.When in the NFC antenna that three-dimensional near field antenna structure is used in the mobile phone adopting metal shell, can accommodating embedded in mobile phone accessory in the aperture portion 11 of metal shell, thus save Cellphone Accessories space, make handset structure compacter.
Referring to Figure 4 and 5, Anneta module also comprises the magnetic portion material 4 in that face that aperture portion 11 end face that is arranged at conductor plate 1 exceeds, namely conductor plate back on communication counterpart side one on the surface, aperture portion surface coverage is lived by preferred magnetic portion material 4, this magnetic portion material 4 is such as ferrite magnetic material, if can eddy current be blocked when conductor plate 1 produces induced electricity eddy current, to keep communication performance, magnetic portion material 4 is not limited to application in the present embodiment, also can use in other embodiments of the invention, be arranged on conductor plate that side away from communication counterpart, the namely inner side of conductor plate.In the diagram, the shape of aperture portion 11 is square, aperture portion 11 is arranged on a side edge of conductor plate 1 and stretches out in this side, the opening of aperture portion 11 is towards adjacent side, and groove 12 is the connected surface of described opening to this side, that is, the opening of aperture portion 11 is an opening freely inherently, be open between the opening of aperture portion 11 and the side of conductor plate 1, also would not produce eddy current, the width of its split shed is less than the length that aperture portion 11 establishes the limit of opening.Fig. 4 is carried out blast signal by Fig. 5, does not repeat them here.
Referring to Fig. 6, in the present embodiment, coil 2 ' is arranged in the aperture portion of conductor plate, three-dimensional part 3 ' is provided with in aperture portion 11 ', this aperture portion 11 ' is arranged on a side edge of conductor plate 1 ' and stretches out in this side, the opening of aperture portion 11 ' is towards adjacent side, groove 12 ' is for opening is to the open surface of this side, with the embodiment of Fig. 4 unlike, one side of aperture portion 11 ' is all set to opening, and namely the width of opening equals the length that aperture portion 11 ' establishes the limit of opening.
Referring to Fig. 7, in the present embodiment, coil 2 " be arranged on conductor plate 1 " aperture portion 11 " in; in aperture portion 11 " in be provided with three-dimensional part 3 "; aperture portion 3 " be arranged near conductor plate 1 " a side on, aperture portion 3 " opening towards this side, described opening is groove 12 " a part; opening is groove 12 in other words " itself, groove 12 " open communication and this side.
In one embodiment, described aperture portion is arranged on the middle part (not shown) of conductor plate, the opening of aperture portion is towards any side, described groove for opening to its towards the straight line groove of this side or curve groove or irregular stripe shape groove, be appreciated that, the shape of aperture portion and position and opening towards being not restricted to this, aperture portion realizes the opening relative to limit, conductor plate side by opening and groove, the shape of other aperture portion and position and opening towards can in order to fixed coil and three-dimensional part, the execution mode that conductor plate can't be made to produce eddy current also can be applied in embodiments of the invention, and fall into protection scope of the present invention.
Although the present invention with preferred embodiment openly as above; but it is not for limiting claim; any those skilled in the art without departing from the spirit and scope of the present invention; can make possible variation and amendment, the scope that therefore protection scope of the present invention should define with the claims in the present invention is as the criterion.
Claims (11)
1. a three-dimensional near field antenna structure, comprising:
Conductor plate, be provided with the aperture portion being communicated with conductor plate upper and lower surface, described aperture portion extends to limit, conductor plate side by an opening on it, and extension is configured to the groove being communicated with conductor plate upper and lower surface;
Anneta module, comprises a coil, and described coil is fixed in described aperture portion, is provided with insulation division material with mutually insulated between described coil and aperture portion.
2. three-dimensional near field antenna structure as claimed in claim 1, is characterized in that, on the inwall that described coil is fixed on described aperture portion and along the coiling of described aperture portion circumference.
3. three-dimensional near field antenna structure as claimed in claim 1, is characterized in that, the inwall of described aperture portion vertically extends certain altitude at conductor plate on the surface back on one of communication counterpart side.
4. three-dimensional near field antenna structure as claimed in claim 1, is characterized in that, described Anneta module also comprises and is arranged at conductor plate back on the magnetic portion material on a surface of communication counterpart side.
5. three-dimensional near field antenna structure as claimed in claim 1, is characterized in that, also comprise three-dimensional part, and it is all or part of is arranged in described aperture portion, and coil winding is on described three-dimensional part.
6. three-dimensional near field antenna structure as claimed in claim 5, is characterized in that, described three-dimensional part is embedded in mobile phone accessory.
7. three-dimensional near field antenna structure as claimed in claim 1, is characterized in that, described conductor plate is metal shell and/or metal frame.
8. three-dimensional near field antenna structure as claimed in claim 1, it is characterized in that, described aperture portion is arranged on a side edge of conductor plate and stretches out in this side, and the opening of aperture portion is towards adjacent side, and described groove is the connected surface of described opening to this side.
9. three-dimensional near field antenna structure as claimed in claim 1, is characterized in that, described aperture portion is arranged on the side near conductor plate, the opening of aperture portion towards this side, groove open communication and this side.
10. three-dimensional near field antenna structure as claimed in claim 1, it is characterized in that, described aperture portion is arranged on the middle part of conductor plate, the opening of aperture portion towards any side, described groove for opening to its towards the straight line groove of this side or curve groove or irregular stripe shape groove.
11. three-dimensional near field antenna structures as claimed in claim 1, a part for described coil is arranged on the surface of the non-aperture portion of conductor plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510551884.4A CN105048097B (en) | 2015-09-01 | 2015-09-01 | Three-dimensional near-field antenna structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510551884.4A CN105048097B (en) | 2015-09-01 | 2015-09-01 | Three-dimensional near-field antenna structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105048097A true CN105048097A (en) | 2015-11-11 |
| CN105048097B CN105048097B (en) | 2017-05-24 |
Family
ID=54454448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510551884.4A Expired - Fee Related CN105048097B (en) | 2015-09-01 | 2015-09-01 | Three-dimensional near-field antenna structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105048097B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106876974A (en) * | 2015-12-14 | 2017-06-20 | 联想(北京)有限公司 | A kind of electronic equipment |
| CN106961003A (en) * | 2017-05-08 | 2017-07-18 | 常熟市泓博通讯技术股份有限公司 | Nfc antenna |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219579A (en) * | 2013-04-11 | 2013-07-24 | 上海安费诺永亿通讯电子有限公司 | Novel near field communication (NFC) antenna structure |
| 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 |
| CN104254224A (en) * | 2013-06-26 | 2014-12-31 | 比亚迪股份有限公司 | Electronic product metal shell and mobile phone |
| US20150055009A1 (en) * | 2013-08-20 | 2015-02-26 | Samsung Electro-Mechanics Co., Ltd. | Camera module and electronic device including the same |
-
2015
- 2015-09-01 CN CN201510551884.4A patent/CN105048097B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219579A (en) * | 2013-04-11 | 2013-07-24 | 上海安费诺永亿通讯电子有限公司 | Novel near field communication (NFC) antenna structure |
| 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 |
| CN104254224A (en) * | 2013-06-26 | 2014-12-31 | 比亚迪股份有限公司 | Electronic product metal shell and mobile phone |
| US20150055009A1 (en) * | 2013-08-20 | 2015-02-26 | Samsung Electro-Mechanics Co., Ltd. | Camera module and electronic device including the same |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106876974A (en) * | 2015-12-14 | 2017-06-20 | 联想(北京)有限公司 | A kind of electronic equipment |
| CN106876974B (en) * | 2015-12-14 | 2020-09-25 | 联想(北京)有限公司 | Electronic equipment |
| CN106961003A (en) * | 2017-05-08 | 2017-07-18 | 常熟市泓博通讯技术股份有限公司 | Nfc antenna |
| CN106961003B (en) * | 2017-05-08 | 2024-02-13 | 安徽泓佳科技有限公司 | NFC antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105048097B (en) | 2017-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10135112B1 (en) | 3D antenna mount | |
| US20190052115A1 (en) | Ceramic antenna molds | |
| US9460847B2 (en) | Soft magnetic layer, receiving antenna, and wireless power receiving apparatus comprising the same | |
| CN104979624A (en) | Reradiation antenna and wireless charger | |
| CN104953289A (en) | Antenna system and communication terminal applying antenna system | |
| KR20170053142A (en) | Combo type antenna module | |
| CN103684503A (en) | A stationary communication device comprising an antenna | |
| US20180108994A1 (en) | Loop antenna for mobile device | |
| CN105742787A (en) | Metal shell-based near field communication device, electronic equipment and method | |
| KR20130128825A (en) | Wireless charger for smart phone | |
| KR20130000926A (en) | Design the compact wireless charging coil and nfc antenna | |
| JP2014155307A (en) | Non-contact charger | |
| KR101744590B1 (en) | Wireless power transmission and charging device using vertical type of power transmission method | |
| WO2013159429A1 (en) | Nfc communication module | |
| CN105048097A (en) | Three-dimensional near-field antenna structure | |
| CN203850426U (en) | Antenna of communication device equipped with metallic back cover | |
| US20150097735A1 (en) | Antenna assembly and electronic device | |
| CN202111224U (en) | Antenna device and handheld terminal with same | |
| CN204927530U (en) | Three -dimensional near field antenna structure | |
| KR101673240B1 (en) | Permanent magnet structure for mobile terminal | |
| CN209088079U (en) | A kind of short-range communication antenna assembly and electronic equipment | |
| US10164333B2 (en) | Short-range magnetic field system | |
| KR20180058470A (en) | Antenna structure for mobile apparatus | |
| KR20160136488A (en) | Antenna structure for portable phone | |
| US20190207295A1 (en) | Installation body and installation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170524 Termination date: 20200901 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |