CN202797268U - NFC antenna and electronic equipment - Google Patents
NFC antenna and electronic equipment Download PDFInfo
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- CN202797268U CN202797268U CN2012203068182U CN201220306818U CN202797268U CN 202797268 U CN202797268 U CN 202797268U CN 2012203068182 U CN2012203068182 U CN 2012203068182U CN 201220306818 U CN201220306818 U CN 201220306818U CN 202797268 U CN202797268 U CN 202797268U
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- wireless charging
- electronic equipment
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Abstract
The utility model belongs to the field of antenna, and especially discloses an NFC (Near Field Communication) antenna arranged in electronic equipment. The NFC antenna comprises an insulating substrate having a bearing surface and coils arranged on the bearing surface, wherein the coils comprise an NFC coil and a wireless charging induction coil used for receiving an external radio-frequency signal and charging the electronic equipment. The utility model also provides the electronic equipment comprising the above NFC antenna. Compared with the prior art, the NFC antenna provided by the utility model comprises the NFC coil and the wireless charging induction coil capable of charging the electronic equipment, by arranging the NFC coil and the wireless charging induction coil on the same insulating substrate, space can be saved, and the function of wireless charging also can be realized. The electronic equipment adopting the NFC antenna not only can realize a communication function, but also can realize a wireless charging function, thus the electronic equipment can be used more conveniently.
Description
Technical field
The utility model belongs to field of antenna, is specifically related to a kind of near field communication antenna and uses its electronic equipment.
Background technology
Near-field communication (NFC, Near Field Communication) is that a kind of electromagnetic induction transmitting-receiving electromagnetic wave that utilizes is realized the technology of close range wireless communication between the electronic equipment, and has expedited the emergence of thus the electronic equipments such as mobile phone of near field payment function.It changes the mode that people use some daily life equipment to a great extent, particularly uses the mode of credit card, key and cash.
Development along with mechanics of communication, the user requires more and more higher to the ease of use of the portable electric appts (such as mobile phone, digital camera etc.) of some electronic equipments, the charging port criteria of right and wrong of some electronic equipment even the user of some standard charging port also wants to ask the function of wireless charging.
But, utility model people of the present utility model finds: present electronic equipment, mobile phone for example, internal structure is more and more compacter, the function that requires is also more and more, and a lot of near field communication antennas only have the function of communication, if when needing wireless charging, need other module to carry out wireless charging, this just need to take larger space.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, thereby a kind of near field communication antenna that not only can realize communication but also can carry out wireless charging function is provided.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
A kind of near field communication antenna, be arranged in the electronic equipment, this near field communication antenna comprises: have loading end insulated substrate, be arranged on the coil on the loading end, the wireless charging induction coil that described coil comprises the near-field communication coil and be used for to receive external radio-frequency signal and described electronic equipment is charged.
The utility model also provides a kind of electronic equipment, comprises above-mentioned near field communication antenna.
Compared with prior art, the utlity model has following beneficial effect: the near field communication antenna that the utility model provides, this antenna has comprised near-field communication coil and the wireless charging induction coil that can charge to electronic equipment, communication and wireless charging are arranged on the same insulated substrate, can conserve space, and realize the function of wireless charging.Use the electronic equipment of this near field communication antenna, not only can realize communication function but also can realize wireless charging function, it is more convenient to use.
Description of drawings
Fig. 1 is the structural representation of the utility model the first embodiment coil.
Fig. 2 is the structural representation of the utility model the second embodiment coil.
Fig. 3 is the structural representation of the utility model the 3rd embodiment coil.
Fig. 4 is the structural representation of the utility model the 4th embodiment coil.
Fig. 5 is the structural representation of the utility model the 5th embodiment coil.
Fig. 6 is the structural representation of the utility model the 6th embodiment coil.
Fig. 7 is each layer of the utility model embodiment near field communication antenna structural representation.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
The utility model discloses a kind of near field communication antenna, be arranged in the electronic equipment, this near field communication antenna comprises: have loading end insulated substrate, be arranged on the coil on the loading end, Fig. 1 to Fig. 6 is the structural representation of six embodiment coils of the utility model,, described coil 20 comprises near-field communication coil 21 and the wireless charging induction coil 22 that is used for the reception external radio-frequency signal and described electronic equipment is charged.Communication and wireless charging have been arranged on the same insulated substrate, can conserve space, and realize the function of wireless charging.
Such as Fig. 1 to Fig. 4 and shown in Figure 6, the two ends of near-field communication coil 21 described in the utility model embodiment are the first distributing point 211 and the second distributing point 212; The two ends of described wireless charging induction coil 22 are described the first distributing point 211 and the 3rd distributing point 221.When carrying out communication, can with the first distributing point 211 be connected the device of distributing point 212 with want communication and be connected; When carrying out wireless charging, the first distributing point 211 is connected with the battery circuit that place equipment need to charge with the 3rd distributing point 221.Such structure, when using wireless charging, wireless charging induction coil 22 has comprised and has originally carried out the coil of communication, so can be effective and reasonable utilize coil.
Among the embodiment of the present utility model, the first distributing point 211 be connected coil that distributing point 212 connects and be arranged on the outside of the connecting coil of the second distributing point 212 and the 3rd distributing point 221; Be illustrated in figure 1 as the first embodiment, two coils only have contact at the right and left of direction as shown, on both sides up and down for separately, such structure is mainly used to adjust the quality factor q of Wireless charging coil and the needed coil sense of NFC antenna value L, appearance value C and antenna, simultaneously can stick the magnetic conduction sheet of different permeabilities in suitable position, the two ends that separate up and down, be used for the shielded metal device to the impact of antenna for mobile phone, strengthen the magnetic flux of Wireless charging coil and NFC antenna.
Be illustrated in figure 2 as the second embodiment of the present utility model, described two coils only have on the top of direction as shown separately, in other three directions contact is arranged all, such structure is mainly used to adjust the quality factor q of Wireless charging coil and the needed coil sense of NFC antenna value L, appearance value C and antenna, simultaneously can stick the magnetic conduction sheet of different permeabilities in the suitable position of the coiler part that separates, be used for the shielded metal device to the impact of antenna for mobile phone, strengthen the magnetic flux of Wireless charging coil and NFC antenna.
Be illustrated in figure 3 as the 3rd embodiment of the present utility model, as shown the first distributing point 211 of direction be connected coil that distributing point 212 connects and be arranged on the outside of the coil that the second distributing point 212 and the 3rd distributing point 221 connect fully, described two coils only have outside the connection in the second distributing point 212 residing approximate location, other positions are separately, such structure is mainly used to adjust Wireless charging coil and the needed coil sense of NFC antenna value L, the quality factor q of appearance value C and antenna, can stick the magnetic conduction sheet of different permeabilities in suitable position around the interior loop simultaneously, be used for the shielded metal device to the impact of antenna for mobile phone, strengthen the magnetic flux of Wireless charging coil and NFC antenna.
Be illustrated in figure 4 as the 4th embodiment of the present utility model, described the first distributing point 211 be connected the coil that distributing point 212 connects and be set up in parallel with the coil that the 3rd distributing point 221 is connected with the second distributing point 212, as shown, described the first distributing point 211 be connected the coil that distributing point 212 connects and be arranged on the as shown left side of direction, the second distributing point 212 is arranged on as shown the right of direction with the coil that the 3rd distributing point 221 connects, and the Wireless charging coil 22 of this enforcement still is comprised of two above-mentioned coils.Such structure is used for satisfying different handset structures to the position needs of wireless charging and NFC antenna, and it is minimum that influencing each other of Wireless charging coil and NFC antenna dropped to.
Be illustrated in figure 5 as the 5th embodiment of the present utility model, the two ends of described near-field communication coil 21 are the first distributing point 211 and the second distributing point 212; The two ends of described wireless charging induction coil 22 are described the 3rd distributing point 221 and the 4th distributing point 222.Such structure near-field communication coil 21 separates fully with wireless charging induction coil 22, exists for isolated, and the coil that arranges so front four embodiment that compare have wasted coil sections, still can not disturb each other.
In the various embodiments described above, the near-field communication coiler part adopts the operating frequency of 13.56MHz, and general frequency is that 12.56 ~ 14.56MHz all meets the demands.The frequency of described wireless charging induction coil is 110KHZ ~ 205KHZ.The number of turn of near-field communication coil is generally 2 ~ 8 circles, and the number of turn of wireless charging induction coil is 10 ~ 30 circles, but arranges in any case, all needs to satisfy above-mentioned frequency.In the present embodiment, the thickness of wireless charging induction coil is more than or equal to 18um and less than or equal to 100um.Along with the increase of thickness, the fever phenomenon of charge coil can improve, and the efficient of wireless charging also will increase.But because electronic equipment, for example restriction of internal structure of mobile phone and FPC(flexible circuit board) the processing procedure restriction, metal layer thickness is controlled at above-mentioned scope.
In the arranging of above-mentioned near field communication antenna, if when the distributing point of lead-out wire can't be drawn in same plane, can draw by the modes such as via hole are set, and then with the distributing point setting of drawing and corresponding coil in same plane.The utility model embodiment can produce needed coil by etched mode, then is connected respectively on the equipment needed thereby by above-mentioned corresponding distributing point and debugs.Above-mentioned coil can pass through Copper Foil, etching aluminum foil (FPC) or electroplate or laser direct forming (Laser Direct Structuring, LDS) etc. technique realizes, especially flexible circuit board (FPC) is upward made this coil, and that this near field communication antenna can be made is thinner and soft.
In embodiment of the present utility model, also can at least a slice magnetic conduction sheet be set at described near-field communication coil or wireless charging induction coil, as shown in Figure 6, to divide on the coil top that the second distributing point 212 and the 3rd distributing point 221 connect to be provided with magnetic conduction sheet 50, in order to improve the efficient of wireless charging.In other embodiments, also can be arranged on the first distributing point 211 and be connected on the coil that distributing point 212 connects, be used for the shielded metal device to the impact of antenna for mobile phone, strengthen the magnetic flux of Wireless charging coil and NFC antenna.
As shown in Figure 7; be each layer of the utility model embodiment near field communication antenna structural representation; can find out; this near field communication antenna comprises: the insulated substrate 10 with loading end; be arranged on the coil 20 on the loading end; also be provided with solder mask 30 on coil 20 place layers, the circuit of solder mask 30 in can the protection circuit layer is not oxidized, partial short-circuit, prevent from polluting etc.Be provided with magnetic conduction sheet 50 at solder mask 30.Magnetic conduction sheet 50 is fixed on the solder mask 30 by the first adhered layer 40.The first adhered layer 40 wherein can be the stickums such as glue or double faced adhesive tape.Magnetic conduction sheet 50 can be ferrite, and by mode moulding such as the tape casting or sintering, its effect is to strengthen magnetic flux on the one hand, improves the Q value of antenna, strengthens the antenna reception performance by magnetic, on the other hand can the shielded metal material on the impact of antenna.The one side relative with insulated substrate 10 loading ends can also arrange the second adhered layer 60, pastes on the required equipment with convenient antenna.
The coil 20 of the utility model embodiment can adopt a kind of of copper, aluminium, silver slurry or above-mentioned alloy, and make by techniques such as etching, printing, plating, chemical depositions, and add coating on its surface, such as megohmite insulants such as printing ink, wear prevention or short circuit.Insulated substrate 10 adopts the PI(polyimides, polymide), the PET(PETG, polyethylene terephthalate), a kind of among the FR4.Wherein, FR-4 is a kind of code name of flame resistant material grade, the meaning of representative is resin material must can be from a kind of material specification of horizontal blanking through fired state, it is not a kind of title material, but a kind of material rate, therefore at present the used FR-4 grade material of general circuit plate just has very many kinds, adds the composite material that filler (Filler) and glass fibre are made but majority all is epoxy resin with so-called four functions.
Because magnetic conduction sheet 50 is comprised of the ferrite of easy magnetic conduction; but magnetic sheet is frangible; area is larger; yield is lower; embodiment of the present utility model can cover layer protecting film on the magnetic conduction sheet surface owing to be the local magnetic sheet that uses, and wherein diaphragm is by PI (Polyimide; polyimides), PET(Polyethylene terephthalate, poly terephthalic acid class plastics) etc. material form.Can protect magnetic conduction sheet not damaged.
The utility model embodiment is by being designed into NFC function coil and Wireless charging coil together, can utilize to a great extent the finite structure space of electronic equipment, simultaneously, because two kinds of function coils are integrated together, the processing procedure or the assembling of product, the test etc. that are FPC itself have all greatly reduced operational sequence, have reduced the artificial cost of manufacturing cost and people.
The utility model also provides a kind of electronic equipment, comprises the near field communication antenna in above-described embodiment.Use the electronic equipment of this near field communication antenna, not only can realize communication function but also can realize wireless charging function, it is more convenient to use.Described electronic equipment is preferably mobile phone, also can be other electronic equipments that need to use near field communication antenna.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. near field communication antenna, be arranged in the electronic equipment, this near field communication antenna comprises: have loading end insulated substrate, be arranged on the coil on the loading end, it is characterized in that described coil comprises near-field communication coil and the wireless charging induction coil that is used for the reception external radio-frequency signal and described electronic equipment is charged.
2. near field communication antenna according to claim 1 is characterized in that, the two ends of described near-field communication coil are the first distributing point and the second distributing point; The two ends of described wireless charging induction coil are described the first distributing point and the 3rd distributing point.
3. near field communication antenna according to claim 1 is characterized in that, the two ends of described near-field communication coil are the first distributing point and the second distributing point; The two ends of described wireless charging induction coil are described the 3rd distributing point and the 4th distributing point.
4. each described near field communication antenna is characterized in that according to claim 1-3, and the frequency of described wireless charging induction coil is 110KHZ ~ 205KHZ.
5. each described near field communication antenna is characterized in that according to claim 1-3, and the thickness of wireless charging induction coil is more than or equal to 18um and less than or equal to 100um.
6. each described near field communication antenna is characterized in that according to claim 1-3, is provided with at least a slice magnetic conduction sheet on described near-field communication coil or the wireless charging induction coil.
7. near field communication antenna according to claim 6 is characterized in that, also is provided with solder mask on the layer of coil place, and described magnetic conduction sheet is arranged on the described solder mask.
8. near field communication antenna according to claim 7 is characterized in that, described magnetic conduction sheet is fixed on the solder mask by the first adhered layer.
9. an electronic equipment is characterized in that, comprises each described near field communication antenna of claim 1-8.
10. near field communication antenna according to claim 9 is characterized in that, described electronic equipment is mobile phone.
Priority Applications (1)
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CN2012203068182U CN202797268U (en) | 2012-06-28 | 2012-06-28 | NFC antenna and electronic equipment |
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CN2012203068182U CN202797268U (en) | 2012-06-28 | 2012-06-28 | NFC antenna and electronic equipment |
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CN2012203068182U Expired - Lifetime CN202797268U (en) | 2012-06-28 | 2012-06-28 | NFC antenna and electronic equipment |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013182160A2 (en) * | 2013-04-03 | 2013-12-12 | 中兴通讯股份有限公司 | Wireless multifunctional apparatus and electronic device |
CN103515698A (en) * | 2012-06-28 | 2014-01-15 | 比亚迪股份有限公司 | NFC (Near Field Communication) antenna and electronic equipment |
CN104241870A (en) * | 2013-06-14 | 2014-12-24 | 李展 | Combined antenna for mobile device and manufacturing method for combined antenna |
CN106992606A (en) * | 2017-03-02 | 2017-07-28 | 华南理工大学 | A kind of device of integrated wireless charging receiving coil and antenna function |
CN107134649A (en) * | 2016-02-26 | 2017-09-05 | 苏州伊诺联客电子科技有限公司 | Coil antenna module and preparation method thereof |
US20170264128A1 (en) * | 2016-03-14 | 2017-09-14 | Andrew Chen | Wireless Electrical Charging System |
CN107946740A (en) * | 2016-05-13 | 2018-04-20 | 广东欧珀移动通信有限公司 | Housing, antenna assembly and mobile terminal |
CN107949164A (en) * | 2017-11-27 | 2018-04-20 | 深圳光韵达激光应用技术有限公司 | A kind of circuit substrate coil line etch process with higher rate |
WO2018102963A1 (en) * | 2016-12-05 | 2018-06-14 | 深圳鹏汇功能材料有限公司 | Electronic device and integrated magnetic insulation sheet thereof |
-
2012
- 2012-06-28 CN CN2012203068182U patent/CN202797268U/en not_active Expired - Lifetime
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103515698A (en) * | 2012-06-28 | 2014-01-15 | 比亚迪股份有限公司 | NFC (Near Field Communication) antenna and electronic equipment |
WO2013182160A2 (en) * | 2013-04-03 | 2013-12-12 | 中兴通讯股份有限公司 | Wireless multifunctional apparatus and electronic device |
WO2013182160A3 (en) * | 2013-04-03 | 2014-02-20 | 中兴通讯股份有限公司 | Wireless multifunctional apparatus and electronic device |
CN104241870A (en) * | 2013-06-14 | 2014-12-24 | 李展 | Combined antenna for mobile device and manufacturing method for combined antenna |
CN107134649A (en) * | 2016-02-26 | 2017-09-05 | 苏州伊诺联客电子科技有限公司 | Coil antenna module and preparation method thereof |
US20170264128A1 (en) * | 2016-03-14 | 2017-09-14 | Andrew Chen | Wireless Electrical Charging System |
CN107946740A (en) * | 2016-05-13 | 2018-04-20 | 广东欧珀移动通信有限公司 | Housing, antenna assembly and mobile terminal |
WO2018102963A1 (en) * | 2016-12-05 | 2018-06-14 | 深圳鹏汇功能材料有限公司 | Electronic device and integrated magnetic insulation sheet thereof |
CN106992606A (en) * | 2017-03-02 | 2017-07-28 | 华南理工大学 | A kind of device of integrated wireless charging receiving coil and antenna function |
CN106992606B (en) * | 2017-03-02 | 2023-05-23 | 华南理工大学 | Device integrating wireless charging receiving coil and antenna functions |
CN107949164A (en) * | 2017-11-27 | 2018-04-20 | 深圳光韵达激光应用技术有限公司 | A kind of circuit substrate coil line etch process with higher rate |
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C14 | Grant of patent or utility model | ||
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CX01 | Expiry of patent term |
Granted publication date: 20130313 |
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CX01 | Expiry of patent term |