CN103051066A - Induction module shared by near field communication and wireless charging - Google Patents

Induction module shared by near field communication and wireless charging Download PDF

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Publication number
CN103051066A
CN103051066A CN2011104026098A CN201110402609A CN103051066A CN 103051066 A CN103051066 A CN 103051066A CN 2011104026098 A CN2011104026098 A CN 2011104026098A CN 201110402609 A CN201110402609 A CN 201110402609A CN 103051066 A CN103051066 A CN 103051066A
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China
Prior art keywords
coil
induction
sensing
module according
field communication
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CN2011104026098A
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Chinese (zh)
Inventor
许胜泰
吴敏祯
大石太洋
林建宏
罗胜浩
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TDK Taiwan Corp
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TDK Taiwan Corp
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Publication of CN103051066A publication Critical patent/CN103051066A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24—Inductive coupling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/77—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for interrogation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Near-Field Transmission Systems (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a near field communication and wireless charging shared induction module, which at least comprises: a first induction plate in a flat plate shape; a first coil wound in a central hollowed-out plane shape; a second coil wound in a central hollowed plane shape; the first coil and the second coil are both arranged on the first induction plate, and the second coil is accommodated in the central hollow of the first coil and is concentric with the first coil, so that the induction modules of two different frequency signals can be integrated into a whole to reduce the area of the induction coil.

Description

The induction module that near-field communication and wireless charging are shared
Technical field
The present invention is the induction module that a kind of near-field communication and wireless charging are shared, particularly about a kind of use integration of wireless charging (Wireless Charging on portable device, WLC) structure that is integrated of induction module and near-field communication (Near Field Communication, NFC) induction module.
Background technology
Present portable electronic device, such as mobile phone, PDA (personal digital aid (PDA)), palmtop PC, notebook computer or flat computer etc., all be to use powered battery, to make things convenient for the user without city's electricity condition the time, to use, and these electronic installations all can attach wired supply of electric power device, make things convenient for the battery charging or use mains-supplied.
New wireless charging (WLC) technology is not so that portable device needs to use power line, and can utilize the direct transferring electric power of mode of electromagnetic induction to these portable devices battery to be charged.As shown in Figure 1, it is the configuration diagram of wireless charging transmission, include an electric power delivery module 1 and an electric power receiver module 2, this electric power transmits induction module 1 and has a transmission end coil 11, transmission end plate 12 unshakable in one's determination, and this electric power reception induction module 2 also has a receiving terminal coil 11, receiving terminal plate 12 unshakable in one's determination equally.When this electric power receiver module 2 during near this electric power delivery module 1, the electric current transmission end coil 11 that this electric power transmits induction module 1 of flowing through produces magnetic fields, so that this electric power receives receiving terminal coil 11 these magnetic field generation currents of induction of induction module 2.
In addition at present in portable electronic device combined with near field communication (NFC) considerably come into one's own, near-field communication (NFC) can allow portable device carry out contactless point-to-point communication, very easily connected mode is provided, can carries out fast, easily communication.
Near-field communication (NFC) technology is the integration differentiation by non-contact radio-frequency identification (RFID) and interconnection technique, the contactless card that in the application of present near-field communication (NFC), uses in just just like the traffic rapid transit system (RTS), mouthful can speed passage through customs as long as contactless card checked tickets near rapid transit, and the sensitive time is faster than general contactless chip card, and this traffic station for height turnover amount is quite benefited from.
Therefore have the dealer to propose the near field communication chip is embedded in the portable electronic device such as mobile phone, also therefore the function of portable electronic device integration of wireless charging (WLC) and near-field communication (NFC) will be following inevitably trend.
Yet at present near-field communication (NFC) and wireless charging transmission (WLC) these two kinds of circuit are fully different, independent separately, the essential induction module that uses separately, receive different separately signals, this is for the more and more compact inner space of portable electronic device, and it is quite high to integrate difficulty.
This case inventor finds that near-field communication (NFC) and wireless charging transmission (WLC) two kinds of technology all are closely to respond to signal transmission, therefore all need use coil-induced module, and these two kinds of induction modules can't use simultaneously, therefore designed a kind of integration near-field communication (NFC) induction module shared with wireless charging (WLC), can receive from the signal of near-field communication (NFC) with wireless charging (WLC), carry out the automatic switchover of signal by one group of commutation circuit again, reach the purpose that to share induction module.
Summary of the invention
Technical problem to be solved by this invention provides the induction module that a kind of near-field communication and wireless charging are shared, the induction module of near-field communication and two kinds of different frequency signals of wireless charging is integrated in one, to dwindle induction coil occupied area in portable electronic device, in order to reach two kinds of Function Integration Mechanisms in the purpose of same portable electronic device.
The present invention provides a kind of near-field communication and wireless power shared induction module to achieve these goals, and comprise at least: one is tabular the first tablet; One is wound in the first plane coil of center hollow out, has two leading-out terminals; One is wound in the second plane coil of center hollow out, has two leading-out terminals, and this first coil and this second coil all are arranged on this first tablet, and this second coil is placed in the center hollow out of this first coil, and is concentric shape with this first coil.
Above-mentioned induction module also comprises one second tablet, is arranged on this first tablet, and is placed in the center hollow out of this second coil.
Above-mentioned induction module also comprises a non-conductive adhesion layer, is arranged between this first tablet and this first coil, this second coil, in order to this first coil, this second coil are attached on this first tablet.
Above-mentioned induction module also comprises a non-conductive adhesion layer, is arranged between this first tablet and the second tablet, in order to this second tablet is attached on this first tablet.
Above-mentioned induction module, wherein this non-conductive adhesion layer is two-sided adhesive tape or an adhesive agent.
Above-mentioned induction module, the convex character shape that is one of the forming of this first tablet wherein, lug boss of this first induction version is placed in the center hollow out of this second coil.
Above-mentioned induction module wherein has a gap to exist between this first coil and this second coil.
Above-mentioned induction module, wherein between this first coil and this second coil mutually near and existence very close to each other.
Above-mentioned induction module wherein also comprises at least one lead-out wire connector, and this lead-out wire connector is provided with a plurality of metal connecting terminal, is electrically connected respectively the leading-out terminal of this first coil and/or this second coil.
Above-mentioned induction module, wherein in the metal connecting terminal of this lead-out wire connector, it is shared ends that two metal connecting terminal are arranged.
Above-mentioned induction module, wherein one of them leading-out terminal of this first coil is electrically connected into a shared leading-out terminal mutually with one of them leading-out terminal of this second coil.
Above-mentioned induction module, wherein this lead-out wire connector is connected in the outer rim place of this first tablet.
Above-mentioned induction module, wherein this lead-out wire connector is the connector that is arranged on outside this first tablet.
Above-mentioned induction module, wherein this lead-out wire connector has two, be equipped on respectively the outer rim place of this first tablet, respectively be provided with two metal connecting terminal on each lead-out wire connected device, be electrically connected respectively two leading-out terminals of this first coil and two leading-out terminals of this second coil.
Above-mentioned induction module, wherein this first coil is the near-field communication induction coil, and this second coil is the wireless charging induction coil.
Above-mentioned induction module, wherein this first coil is the wireless charging induction coil, and this second coil is the near-field communication induction coil.
Above-mentioned induction module, wherein the 3rd of this second coil the and the 4th leading-out terminal is electrically connected respectively a metal connecting contact.
Above-mentioned induction module, wherein the first coil and this second coil are formed by one group of coil winding, and this group coil comprises one first leading-out terminal, one second leading-out terminal and a centre tap leading-out terminal.
Description of drawings
Fig. 1 is the configuration diagram of wireless charging transmission;
Fig. 2 is the first embodiment schematic diagram of the shared induction module of near-field communication of the present invention and wireless power;
Fig. 3 is the perspective exploded view of Fig. 2;
Fig. 4 is second embodiment of the present invention schematic diagram; And
Fig. 5 is third embodiment of the present invention schematic diagram.
Fig. 6 is fourth embodiment of the present invention schematic diagram.
Wherein, Reference numeral:
10 electric power delivery modules
11 transmission end coils
12 transmission ends plate unshakable in one's determination
20 electric power receive induction module
21 receiving terminal coils
22 receiving terminals plate unshakable in one's determination
30 share induction module
31 first tablets
32 first coils
321 leading-out terminals
33 second coils
331 leading-out terminals
34 second tablets
35 non-conductive adhesion layers
36 lead-out wire connectors
361 metal connecting terminal
37 metal connecting contacts
38 coils
381 first leading-out terminals
382 second leading-out terminals
383 centre tap leading-out terminals
Embodiment
In the middle of specification and claims thereof, used some vocabulary to censure specific assembly.One of skill in the art can understand, and hardware manufacturer may be called same assembly with different nouns.This specification and claims thereof are not used as distinguishing the mode of assembly with the difference of title, but the criterion that is used as distinguishing with the difference of assembly on function.Be an open term mentioned " comprising " in the middle of specification and the claim thereof in the whole text, so should be construed to " including but not limited to ".
See also shown in Figure 2, Fig. 2 is the first embodiment schematic diagram of the shared induction module of near-field communication of the present invention and wireless power, and Fig. 3 is the perspective exploded view of Fig. 2, shared induction module 30 of the present invention includes one first tablet 31, one first coil 32 and one second coil 33 at least, wherein this first tablet 31 is tabular, can be square, rectangle, circle or oval etc.
Wherein this first coil 32 is wound in the plane of center hollow out, is arranged on this first tablet 31, and has two leading-out terminals 321.This second coil 33 equally also is wound in the plane of center hollow out, be arranged on this first tablet 31, and be placed in the center hollow out of this first coil 32, be concentric shape with this first coil 32, and tool two leading-out terminals 331 have a gap to exist between this first coil 32 and the second coil 33.
Embodiment as shown in Figure 2, wherein this first coil 32 is a near-field communication (NFC) induction coil, and this second coil 33 is a wireless charging (WLC) induction coil, and be illustrated in figure 4 as the second embodiment of the invention schematic diagram, wherein 32 of this first coils are this wireless charging (WLC) induction coil, and the second coil 33 then is this near-field communication (NFC) induction coil.
This first coil 32 and the second coil 33 are induction coils of two groups of different frequency signals, near-field communication induction coil frequency is higher, therefore coil is shorter, and the frequency of wireless charging induction coil is lower, therefore coil is longer, and these two groups of induction coils can be judged by an automatic selection circuit induction receive frequency of induction coil, and automatically select to be electrically connected wherein one group of induction coil, because therefore the emphasis that the non-the present invention of this selection circuit advocates repeats no more.
Please consult again shown in Figure 3, should share induction module 30 and more include a non-conductive adhesion layer 35, be arranged between this first tablet 31 and this first coil, the second coil 32,33, in order to this first coil, the second coil 32,33 are attached on this first tablet 31, preferably this non-conductive adhesion layer 35 can be a pair of face glue or adhesive agent.Should share induction module 30 and more include one second tablet 34, be arranged on this first tablet 31, and be placed in the center hollow out of the second coil 33, this non-conductive adhesion layer 35, be arranged at equally between this first tablet 31 and the second tablet 34, in order to this second tablet 34 is attached on this first tablet 31.This first tablet 31 can be made the convex character shape (not shown) with this second tablet 34 is integrally formed, and its lug boss is placed in the center hollow out of this second coil 33.
See also shown in Figure 5ly, be the third embodiment of the invention schematic diagram, wherein between this first coil 32 and the second coil 33 mutually near, existence very close to each other.
Please consult again the first embodiment of Fig. 2, the outer rim place that should share the first tablet 31 of induction module 30 is provided with respectively two groups of lead-out wire connectors 36, respectively be provided with two metal connecting terminal 361 on each this lead-out wire connector 36, can be electrically connected respectively two leading-out terminals 321 of this first coil and two leading-out terminals 331 of this second coil.
Consult again the second embodiment of Fig. 4, the outer rim place that should share the first tablet 31 of induction module 30 only is provided with one group lead-out wire connector 36, which is provided with a plurality of metal connecting terminal 361, can connect respectively the leading-out terminal of this first coil 32 and/or the second coil 33.Also or this lead-out wire connector 36 can be two metal connecting contacts 37, can with two leading-out terminals 331 of this second coil 33, be electrically connected respectively this metal connecting contact 37.
See also the 3rd embodiment of Fig. 5, wherein this lead-out wire connector 36 is for being arranged on the connector outside this first tablet 31, and this metal connecting terminal 361 two metal connecting terminal are wherein arranged is that end is shared in one of electrical connection.Also or one of them leading-out terminal of one of them leading-out terminal of this first coil 32 and the second coil 33, mutually be electrically connected into one and share leading-out terminal, be electrically connected to again one of them metal connecting terminal 361 on this lead-out wire connector 36.
See also shown in Figure 6, be fourth embodiment of the present invention schematic diagram, this first coil 32 is entwined by same group of coil 38 with this second coil 33 in the present embodiment, include one first leading-out terminal 381, one second leading-out terminal 382 and a centre tap leading-out terminal 383, wherein this first leading-out terminal 381 forms this wireless charging (WLC) induction coil with this second leading-out terminal 382, and this centre tap leading-out terminal 383 forms this near-field communication (NFC) induction coil with this second leading-out terminal 382.
The above only is preferred embodiment of the present invention, and all equalizations of making according to claim protection range of the present invention change and revise, and all should belong to covering scope of the present invention.

Claims (19)

1.一种近场通讯与无线电力共享的感应模块，其特征在于，包括：1. A sensing module for near field communication and wireless power sharing, characterized in that it comprises: 一第一感应板，呈平板状；a first induction plate in the shape of a flat plate; 一第一线圈，缠绕成中心镂空的平面状，具有二出线端，设置于该第一感应板上；及A first coil, wound into a planar shape with a hollow center, has two outlets, and is arranged on the first induction plate; and 一第二线圈，缠绕成中心镂空的平面状，具有二出线端，设置于该第一感应板上，且容置于该第一线圈的中心镂空内，与该第一线圈呈同心状。A second coil is wound into a planar shape with a hollow center, has two outlets, is arranged on the first induction plate, and is accommodated in the hollow center of the first coil, and is concentric with the first coil. 2.如权利要求1所述的感应模块，其特征在于，该感应模块还包括一第二感应板，设置于该第一感应板上，且容置于该第二线圈的中心镂空内。2 . The sensing module according to claim 1 , further comprising a second sensing board disposed on the first sensing board and accommodated in the central hollow of the second coil. 3 . 3.如权利要求1所述的感应模块，其特征在于，该感应模块还包括一不导电黏着层，设置于该第一感应板与该第一线圈、该第二线圈之间，用以将该第一线圈、该第二线圈黏着于该第一感应板上。3. The sensing module according to claim 1, characterized in that, the sensing module further comprises a non-conductive adhesive layer disposed between the first sensing board, the first coil, and the second coil for connecting The first coil and the second coil are adhered to the first induction plate. 4.如权利要求2所述的感应模块，其特征在于，该感应模块还包括一不导电黏着层，设置于该第一感应板与第二感应板之间，用以将该第二感应板黏着于该第一感应板上。4. The sensing module according to claim 2, characterized in that, the sensing module further comprises a non-conductive adhesive layer disposed between the first sensing board and the second sensing board for the second sensing board Adhesive to the first induction plate. 5.如权利要求3所述的感应模块，其特征在于，该不导电黏着层为一双面胶带或黏着剂。5 . The sensor module according to claim 3 , wherein the non-conductive adhesive layer is a double-sided tape or an adhesive. 6.如权利要求4所述的感应模块，其特征在于，该不导电黏着层为一双面胶带或黏着剂。6 . The sensor module according to claim 4 , wherein the non-conductive adhesive layer is a double-sided tape or an adhesive. 7.如权利要求1所述的感应模块，其特征在于，该第一感应板为一体成形的凸字状，该第一感应版的凸起部容置于该第二线圈的中心镂空内。7 . The sensing module according to claim 1 , wherein the first sensing plate is integrally formed in a convex shape, and the raised portion of the first sensing plate is accommodated in the central hollow of the second coil. 8.如权利要求1所述的感应模块，其特征在于，该第一线圈与该第二线圈之间有一间隙存在。8. The induction module as claimed in claim 1, wherein there is a gap between the first coil and the second coil. 9.如权利要求1所述的感应模块，其特征在于，该第一线圈与该第二线圈之间相互紧靠而没有间隙存在。9. The sensing module as claimed in claim 1, wherein the first coil and the second coil are close to each other without gap. 10.如权利要求1所述的感应模块，其特征在于，包括至少一引出线连接器，该引出线连接器上设有多个金属连接端子，分别电连接该第一线圈和/或该第二线圈的出线端。10. The induction module according to claim 1, characterized in that it comprises at least one lead wire connector, and a plurality of metal connection terminals are provided on the lead wire connector, respectively electrically connected to the first coil and/or the second coil. The outlet end of the second coil. 11.如权利要求10所述的感应模块，其特征在于，其中该引出线连接器的金属连接端子中，有二个金属连接端子是一共享端。11. The sensing module as claimed in claim 10, wherein, among the metal connection terminals of the lead wire connector, two of the metal connection terminals are a common terminal. 12.如权利要求1所述的感应模块，其特征在于，该第一线圈的其中的一个出线端与该第二线圈的其中的一个出线端相互电气连接成一共享出线端。12 . The induction module according to claim 1 , wherein one of the outlet ends of the first coil and one of the outlet ends of the second coil are electrically connected to each other to form a shared outlet. 13 . 13.如权利要求10所述的感应模块，其特征在于，该引出线连接器连接于该第一感应板的外缘处。13. The sensing module as claimed in claim 10, wherein the lead wire connector is connected to an outer edge of the first sensing board. 14.如权利要求10所述的感应模块，其特征在于，该引出线连接器为设置在该第一感应板之外的连接器。14. The sensor module according to claim 10, wherein the lead wire connector is a connector disposed outside the first sensor board. 15.如权利要求10所述的感应模块，其特征在于，该引出线连接器共有二个，分别配设于该第一感应板的外缘处，每个引出线连器上各设有二个金属连接端子，分别电连接该第一线圈的二出线端及该第二线圈的二出线端。15. The induction module according to claim 10, wherein there are two lead wire connectors, which are respectively arranged on the outer edge of the first induction board, and each lead wire connector is provided with two A metal connection terminal is electrically connected to the second terminal of the first coil and the second terminal of the second coil. 16.如权利要求1所述的感应模块，其特征在于，该第一线圈为近场通讯感应线圈，而该第二线圈为无线充电感应线圈。16. The induction module according to claim 1, wherein the first coil is a near field communication induction coil, and the second coil is a wireless charging induction coil. 17.如权利要求1所述的感应模块，其特征在于，该第一线圈为无线充电感应线圈，而该第二线圈为近场通讯感应线圈。17. The induction module according to claim 1, wherein the first coil is a wireless charging induction coil, and the second coil is a near field communication induction coil. 18.如权利要求1所述的感应模块，其特征在于，该第二线圈的第三及第四出线端，分别电连接一金属接触片。18 . The sensing module according to claim 1 , wherein the third and fourth outlet ends of the second coil are respectively electrically connected to a metal contact piece. 19.如权利要求1所述的感应模块，其特征在于，第一线圈与该第二线圈由一组线圈缠绕而成，该组线圈包含一第一出线端、一第二出线端及一中间抽头出线端。19. The induction module according to claim 1, wherein the first coil and the second coil are wound by a set of coils, and the set of coils includes a first outlet end, a second outlet end and a middle Tap the outlet terminal.
CN2011104026098A 2011-10-12 2011-11-30 Induction module shared by near field communication and wireless charging Pending CN103051066A (en)

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TW100136884 2011-10-12
TW100136884A TW201316643A (en) 2011-10-12 2011-10-12 Sharing induction module of near field communication and cordless charging

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Application publication date: 20130417