CN104092020B - A kind of NFC and wireless charging antenna - Google Patents
A kind of NFC and wireless charging antenna Download PDFInfo
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- CN104092020B CN104092020B CN201410313033.1A CN201410313033A CN104092020B CN 104092020 B CN104092020 B CN 104092020B CN 201410313033 A CN201410313033 A CN 201410313033A CN 104092020 B CN104092020 B CN 104092020B
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Abstract
The open a kind of NFC of the present invention and wireless charging antenna, this NFC and wireless charging antenna, including substrate, NFC coil and Wireless charging coil, described NFC coil and Wireless charging coil is screw type is arranged on described substrate；Described Wireless charging coil is arranged between the coil clearance of described NFC coil.NFC of the present invention and wireless charging antenna structure are compact, take volume little.
Description
Technical field
The present invention relates to field of antenna, particularly relate to a kind of NFC and wireless charging antenna.
Background technology
Along with wireless communication technique and the development of mobile terminal, wireless near field communication NFC (Near Field Communication) and wireless charging (Wireless Charging) function are more and more integrated into the lane terminal such as mobile phone, panel computer.
NFC technique comes from radio frequency discrimination RFID technology (Radio Frequency Identify Detection), it is achieved point-to-point short-range communication.It is widely used in the field such as wireless payment, data transmission.Along with the universal of smart mobile phone and consumer are for consuming the demand of agility, NFC antenna is more and more designed in wireless terminal.
The effect of wireless charging is instead front traditional wired charge mode, realize move mode charging more easily, i.e. just can be charged without charging wire, wireless charging can be implemented as mobile phone set compact wireless charging function, and pave the way for the charging of multiple portable sets simultaneously.During to multiple equipment charge, equipment does not has any restriction relative to the position of charger.Its convenience has also won the favor of consumer, and the wireless terminal therefore with wireless charging function the most more and more enters among market.
Generally each accounting for due to the requirement of operating frequency, NFC antenna and wireless charging antenna using larger area, and the designer trends of wireless terminal are light, thin, therefore there is contradiction in the two.Prior art is by NFC and wireless charging antenna is non-overlapping puts together, as it is shown in figure 1, wherein, internal coil is wireless charging aerial coil, peripheral for NFC antenna.
For this kind of structure, the size of internal Wireless charging coil is affected by NFC antenna inner space, if NFC inner space deficiency influences whether the physical size of wireless charging antenna and then has influence on the performance of antenna.Common solution is to increase peripheral NFC antenna size, and the most whole Anneta module size increases.
Summary of the invention
The technical problem to be solved is: providing a kind of NFC and wireless charging antenna, this NFC and wireless charging antenna structure compact, the size of the substrate shared by antenna is little.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is:
A kind of NFC and wireless charging antenna, including substrate, NFC coil and Wireless charging coil, described NFC coil and Wireless charging coil is screw type is arranged on described substrate；Described Wireless charging coil is arranged between the coil clearance of described NFC coil.
The beneficial effects of the present invention is: be different from prior art, antenna volume is reduced by NFC antenna being arranged at the peripheral of wireless charging antenna, the technical program utilizes the space between NFC and each circle of wireless charging antenna each coil, described Wireless charging coil is arranged between the coil clearance of described NFC coil, make two antennas nest together, thus reduce the volume of wireless charging antenna and NFC antenna.
Accompanying drawing explanation
Fig. 1 is wireless charging antenna and the structural representation of NFC antenna in prior art；
Fig. 2 is NFC and the structural representation of wireless charging antenna in an embodiment of the present invention；
Major Symbol illustrates:
1-NFC coil；2-Wireless charging coil；3-substrate.
Detailed description of the invention
By describing the technology contents of the present invention, structural feature in detail, being realized purpose and effect, below in conjunction with embodiment and coordinate accompanying drawing to be explained in detail.
The design of most critical of the present invention is: utilize the space between NFC and each circle of wireless charging antenna each coil, described Wireless charging coil 2 is arranged between the coil clearance of described NFC coil 1, make two antennas nest together, thus reduce the volume of wireless charging antenna and NFC antenna.
Refer to Fig. 2, a kind of NFC and wireless charging antenna, be arranged on described substrate 3 including substrate 3, NFC coil 1 and Wireless charging coil 2, described NFC coil 1 and Wireless charging coil 2 are screw type；
Described Wireless charging coil 2 is arranged between the coil clearance of described NFC coil 1.
Knowable to foregoing description, the beneficial effects of the present invention is: the present invention utilizes the space between NFC and each circle of wireless charging antenna each coil, described Wireless charging coil 2 is arranged between the coil clearance of described NFC coil 1, make two antennas nest together, thus reduce the volume of wireless charging antenna and NFC antenna.
In the present embodiment, described substrate 3 is PCB, because other circuit may be provided with in PCB, in order to improve the space availability ratio of substrate 3, as shown in Figure 2, in the present embodiment, described Wireless charging coil 2 and NFC coil 1 is square spiral shape, and the coil cabling of described Wireless charging coil 2 and NFC coil 1 correspondence direction is parallel to each other.Because described Wireless charging coil 2 and NFC coil 1 is square, therefore, it can, can very easily charge coil and NFC coil 1 be separated with other roads on substrate 3, thus improve the utilization rate of substrate 3, for using the equipment of this NFC and wireless charging antenna to save more inner space.
In the present embodiment, NFC antenna and wireless charging antenna are connected with related circuit for convenience, described NFC antenna and wireless charging antenna are respectively provided with two connection dishes, one end of described Wireless charging coil 2 one end and described NFC coil 1 is connected to a coil connection dish, and the other end of described Wireless charging coil 2 and the other end of described NFC coil 1 are connected to another coil connection dish by via and copper clad layers respectively.Therefore, it is connected dish with two of the electrical connection of NFC coil 1 two ends and is connected with two of Wireless charging coil 2 liang electrical connection outside dish may be contained within NFC coil 1 and Wireless charging coil 2, thus convenient being connected with related circuit with NFC antenna and wireless charging antenna.
In the present embodiment, the gap width of described NFC antenna coil is 0.7mm, and the winding wire width of described Wireless charging coil 2 is 0.5mm.But the winding wire width of the winding space width of NFC coil 1 of the present invention and Wireless charging coil 2 is not limited in the numerical value of present embodiment.
Wireless charging coil 2 of the present invention is not limited between the winding space of described NFC coil 1, in order to reduce the size of NFC and wireless charging antenna further, improvement as above-mentioned embodiment, in the present embodiment, described Wireless charging coil 2 encloses and between the coil clearance of NFC coil 1 in being arranged at described NFC coil 1.Because of in the ordinary course of things, the conductor length of described NFC coil 1 can be less than the conductor length of Wireless charging coil 2, in the space that the inner ring meeting remainder of NFC coil 1 is the most online, therefore, present embodiment fully uses the described NFC coil 1 remaining segment space of inner ring, reduces the size of NFC and wireless charging antenna further.
In the present invention, the coil of NFC antenna and wireless charging antenna is not limited in square, and in another embodiment, described wireless charging antenna and NFC antenna are round spiral.
Arrange because described NFC coil 1 is nested with described Wireless charging coil 2, interfere between coil to weaken, in the above-described embodiment, described substrate 3 is the pcb board of more than two-layer or two-layer, and described NFC coil 1 and Wireless charging coil 2 are arranged on the different layers of described pcb board.Because described NFC coil 1 and Wireless charging coil 2 are arranged on the different layers of described pcb board, therefore, in the case of same size, the relative spacing between two coils becomes big, thus reduce interfering between NFC antenna and wireless charging antenna, improve antenna stabilization performance.
In sum, the NFC that the present invention provides passes through the two mutually nested settings of aerial coil with wireless charging antenna can reduce the overall dimensions of antenna, facilitates again and is connected with its related circuit, can reduce again interfering between two antennas simultaneously.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention and accompanying drawing content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (7)
1. a NFC and wireless charging antenna, it is characterised in that include substrate, NFC coil and wireless charging
Electric coil, described NFC coil and Wireless charging coil is screw type is arranged on described substrate；
A part for described Wireless charging coil is arranged between the adjacent windings space of described NFC coil.
NFC the most according to claim 1 and wireless charging antenna, it is characterised in that described wireless charging
Electric coil and NFC coil are round spiral.
NFC the most according to claim 1 and wireless charging antenna, it is characterised in that described wireless charging
Electric coil and NFC coil are square spiral shape, described Wireless charging coil and the line of NFC coil correspondence direction
Circle cabling is parallel to each other.
4. according to the NFC described in Claims 2 or 3 and wireless charging antenna, it is characterised in that described nothing
Line charge coil encloses and between the coil clearance of NFC coil in being arranged at described NFC coil.
NFC the most according to claim 4 and wireless charging antenna, it is characterised in that described NFC days
The gap width of line coil is 0.7mm, and the winding wire width of described Wireless charging coil is 0.5mm.
NFC the most according to claim 4 and wireless charging antenna, it is characterised in that described substrate is
Pcb board more than two-layer or two-layer, described NFC antenna and wireless charging antenna are arranged at described pcb board
On different layers.
NFC the most according to claim 4 and wireless charging antenna, it is characterised in that described NFC days
Line and wireless charging antenna are respectively arranged with two connection dishes, described Wireless charging coil one end and described NFC
One end of coil is connected to a coil connection dish, the other end of described Wireless charging coil and described NFC
The other end of coil is connected to another coil connection dish by via and copper clad layers respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410313033.1A CN104092020B (en) | 2014-07-02 | 2014-07-02 | A kind of NFC and wireless charging antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410313033.1A CN104092020B (en) | 2014-07-02 | 2014-07-02 | A kind of NFC and wireless charging antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104092020A CN104092020A (en) | 2014-10-08 |
| CN104092020B true CN104092020B (en) | 2017-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410313033.1A Active CN104092020B (en) | 2014-07-02 | 2014-07-02 | A kind of NFC and wireless charging antenna |
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| Country | Link |
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| CN (1) | CN104092020B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104619120A (en) * | 2015-01-27 | 2015-05-13 | 山东共达电声股份有限公司 | Mobile terminal and circuit board thereof |
| KR102452409B1 (en) * | 2016-10-19 | 2022-10-11 | 삼성전자주식회사 | Electronic device with radiating member |
| CN106785459A (en) * | 2016-12-15 | 2017-05-31 | 云南科威液态金属谷研发有限公司 | A kind of coil for wireless charging device antenna |
| KR102589437B1 (en) * | 2017-02-14 | 2023-10-16 | 삼성전자 주식회사 | Electronic device having coil antenna |
| EP3594066B1 (en) | 2017-04-09 | 2022-05-04 | Huawei Technologies Co., Ltd. | In-vehicle infotainment apparatus, terminal device and vehicle |
| CN108550937B (en) * | 2018-05-03 | 2021-07-06 | 深圳市熙锦科技发展有限公司 | Rechargeable battery with built-in wireless charging coil |
| CN112448138B (en) | 2019-08-30 | 2023-06-13 | 光宝电子(广州)有限公司 | NFC antenna structure and NFC circuit board and wireless charging seat applying NFC antenna structure |
| CN112993540B (en) * | 2019-12-13 | 2023-07-28 | Oppo广东移动通信有限公司 | Electronic equipment |
| CN111952713A (en) * | 2020-07-03 | 2020-11-17 | 深圳捷豹电波科技有限公司 | Wireless charging and communication assembly and wireless charging and communication device using same |
| CN213520327U (en) * | 2020-11-30 | 2021-06-22 | 瑞声精密制造科技(常州)有限公司 | Wireless charging receiving module integrated with NFC antenna and mobile terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709686A (en) * | 2012-05-14 | 2012-10-03 | 中兴通讯股份有限公司 | Antenna module and mobile terminal device |
| CN102810725A (en) * | 2011-05-31 | 2012-12-05 | 比亚迪股份有限公司 | Near field communication antenna |
| WO2013032205A2 (en) * | 2011-08-29 | 2013-03-07 | 주식회사 케이더파워 | Wireless charging system having heterogeneous charging patterns |
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2014
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810725A (en) * | 2011-05-31 | 2012-12-05 | 比亚迪股份有限公司 | Near field communication antenna |
| WO2013032205A2 (en) * | 2011-08-29 | 2013-03-07 | 주식회사 케이더파워 | Wireless charging system having heterogeneous charging patterns |
| CN102709686A (en) * | 2012-05-14 | 2012-10-03 | 中兴通讯股份有限公司 | Antenna module and mobile terminal device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104092020A (en) | 2014-10-08 |
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Effective date of registration: 20201217 Address after: No.369 Jinlong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: XINWEI COMMUNICATION (JIANGSU) Co.,Ltd. Address before: 518000 buildings a and B, No. 1013, Xihuan Road, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN SUNWAY COMMUNICATION Co.,Ltd. |
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