CN103730733A - Electronic module - Google Patents

Electronic module Download PDF

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Publication number
CN103730733A
CN103730733A CN201310407700.8A CN201310407700A CN103730733A CN 103730733 A CN103730733 A CN 103730733A CN 201310407700 A CN201310407700 A CN 201310407700A CN 103730733 A CN103730733 A CN 103730733A
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CN
China
Prior art keywords
coil
flange part
electronic module
winding section
drum stand
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Application number
CN201310407700.8A
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Chinese (zh)
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CN103730733B (en
Inventor
上田穗积
万军
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Sumida Corp
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Sumida Corp
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Priority to CN201310407700.8A priority Critical patent/CN103730733B/en
Publication of CN103730733A publication Critical patent/CN103730733A/en
Priority to DE102014217976.9A priority patent/DE102014217976B4/en
Application granted granted Critical
Publication of CN103730733B publication Critical patent/CN103730733B/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B5/00Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24Inductive coupling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B5/00Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/72Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for local intradevice communication

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Coils Or Transformers For Communication (AREA)

Abstract

The invention discloses an electronic module which comprises a reel, a chip and a coil. The reel is provided with an accommodation groove, the chip is arranged in the accommodation groove, the coil is wound on the reel and comprises a head portion and a tail portion, and the head portion and the tail portion are electrically connected with the chip respectively. At least one locating mechanism used for locating the head portion is arranged on the outer wall of the reel. The electronic module determines the position of the head portion of the coil through the locating mechanism, the winding state of the coil is changed by adjusting the position of the head portion of the coil on the corresponding locating mechanism, and accurate adjustment of coil resonant frequency is achieved.

Description

Electronic module
Technical field
The present invention relates to a kind of electronic module, relate in particular to a kind of NFC electronic module.
Background technology
The data exchange system of common radio communication is that the resonance frequency by the antenna that is applicable to communicating pair is set is realized exchanges data.Wherein, the aerial coil that utilizes each other the example of aerial exchanging data to have NFC to use.The aerial coil that General N FC uses is to be encapsulated in the such product the inside of card to use mostly, and the resonance frequency at this moment originally setting just may be because the reason of encapsulated moulding causes resonance frequency to produce deviation and cannot normally work.In addition, the exchanges data of NFC technology frequency used is not sometimes just used a kind of frequency separately yet, can improve as far as possible the bandwidth of the frequency of aerial coil used when using a plurality of frequencies to carry out exchanges data.Specific practice is to adjust the electric capacity that swims (as the electric capacity producing because of pressure) of aerial coil, turns down the quality factor q value of aerial coil, thereby guarantees wider resonance frequency band.
Existing small-sized aerial coil goods cannot be adjusted the electric capacity that swims of coil conventionally, the state of coiling how just to have determined to swim electric capacity state how, because the electric capacity that swims can not get effectively adjusting corresponding resonance frequency, also just can not get adjusting more accurately like this.
Summary of the invention
Based on this, the invention reside in the defect that overcomes prior art, a kind of electronic module is provided, this electronic module is determined the position of coil initial part by detent mechanism is set, and the position of the initial part by adjusting coil on corresponding detent mechanism change the coiling state of coil, realize the accurate adjustment to coil resonance frequency.
Its technical scheme is as follows:
A kind of electronic module, comprise drum stand, chip and coil, drum stand is provided with storage tank, chip is arranged in storage tank, described coil winding is on drum stand, this coil has initial part and tail portion, and initial part and tail portion are electrically connected with described chip respectively, at the outer wall of described drum stand, are provided with at least one for locating the detent mechanism of described initial part.
Owing to being provided with at least one detent mechanism at the outer wall of described drum stand, thereby, on the one hand, by the initial part of coil is positioned on detent mechanism, can guarantee preferably the position of the initial part of coil, thereby can guarantee the coiling state of coil, prevent that deviation from appearring in resonance frequency; On the other hand, the initial part of coil can also be adjusted between different detent mechanisms, to change the coiling state of coil, and then the electric capacity that swims of change coil, the quality factor q value of adjustment coil, finally realizes the accurate adjustment to coil resonance frequency.
Wherein, described electronic module is mainly used in NFC (Near Field Communication) technical field, and when described coil adopts NFC coil, this electronic module is NFC electronic module.
Preferably, described drum stand comprises winding section and support wallboard, and winding section is fixedly installed on described support wallboard, and winding section surrounds described storage tank with support wallboard, described detent mechanism is located at the outer wall of winding section, and described coil winding is on this winding section.Thereby, by being set, winding section coil can be wound on drum stand well, by being set, support wallboard can well chip be arranged in storage tank.
Preferably, described drum stand also comprises the first flange part and the second flange part, this first flange part and the second flange part are fixedly installed on respectively the two ends of described winding section, and the first flange part, the second flange part and winding section surround mounting groove, and described coil is arranged in mounting groove.Thereby, by coil is arranged in mounting groove can be better by coil winding on described winding section, be conducive to guarantee better the distributed capacitance of coil, with the resonance frequency of guaranteeing better coil, there is not deviation.
Preferably, the first described flange part is provided with the first breach and the second breach, and the first breach and the second breach communicate with the notch of described storage tank respectively, and the first breach is corresponding with described detent mechanism.Thereby, when coiling coil, first make the initial part of coil-winding be positioned at after detent mechanism, through the first electrode of the first described breach and chip, be electrically connected again, then the coiling of coil enters in described mounting groove through the second breach, realize coil winding on winding section, the tail portion of coil-winding is out also passed the second described breach from mounting groove afterwards, realizes the electric connection with chip the second electrode.
Preferably, described detent mechanism is strip bulge.Thereby when the initial part of coil is positioned, need only the initial part of coil near this strip bulge, therefore this structure setting can realize the location of the initial part to coil simply and easily, and when strip bulge is made as two or more, can also realize the initial part of coil is adjusted between different strip bulges, and then realize the accurate adjustment to coil resonance frequency.
Preferably, described drum stand has the central shaft perpendicular to described the first flange part and the second flange part, and described strip bulge parallels with described central shaft or be substantially parallel.This structure setting can be conducive to realize better the location of the initial part to coil.
Preferably, described strip bulge extends on the second described flange part.Thereby, can easily the initial part of coil be adjusted between different strip bulges.
Preferably, described detent mechanism is bar shaped depression.Thereby, when the initial part of coil is positioned, as long as the initial part of coil is absorbed in or is partly absorbed in bar shaped depression, therefore this structure setting also can position the initial part of coil simply and easily, and when bar shaped depression is made as two or more, the initial part of coil can also be adjusted between different bar shaped depressions, and then be realized the accurate adjustment to coil resonance frequency.
Preferably, described drum stand has the central shaft perpendicular to described the first flange part and the second flange part, and described bar shaped depression parallels with described central shaft or be substantially parallel.This structure setting can be conducive to realize better the location of the initial part to coil.
Preferably, described bar shaped depression extends on the second described flange part.Thereby, can easily the initial part of coil be adjusted between different bar shaped depressions.
Beneficial effect of the present invention is:
(1) described electronic module, by the initial part of coil is positioned on detent mechanism, can be determined the line position that rises of coil preferably, and then can guarantee preferably the coiling state of coil, prevents that deviation from appearring in the resonance frequency of coil;
(2) described electronic module can be adjusted the initial part of coil between different detent mechanisms, to change the coiling state of coil, finally realizes the accurate adjustment to coil resonance frequency.
Accompanying drawing explanation
Fig. 1 is the general structure schematic diagram of the electronic module described in the embodiment of the present invention one or two.
Fig. 2 is the structural representation of the drum stand described in the embodiment of the present invention one or two.
Fig. 3 is the local amplification sectional view of the detent mechanism at A place in Fig. 2 while being strip bulge.
Fig. 4 is that the detent mechanism at A place in Fig. 2 is the bar shaped local amplification sectional view in when depression.
Description of reference numerals:
10, drum stand, 11, the first flange part, 111, the first breach, 112, the second breach, 12, the second flange part, 13, winding section, 14, storage tank, 20, coil, 21, initial part, 22, tail portion, 30, chip, 31, the first electrode, 32, the second electrode, 40, strip bulge, 50, bar shaped depression.
Embodiment
Below embodiments of the invention are elaborated:
Embodiment mono-
As shown in Figure 1 to Figure 3, a kind of electronic module, comprise drum stand 10, chip 30 and coil 20, drum stand 10 is provided with storage tank 14, chip 30 is arranged in storage tank 14, and described coil 20 is wound on drum stand 10, and this coil 20 has initial part 21 and tail portion 22, initial part 21 and tail portion 22 are electrically connected with described chip 30 respectively, at the outer wall of described drum stand 10, are provided with four for locating the detent mechanism of described initial part 21.
Wherein, described detent mechanism is strip bulge 40.Described drum stand 10 comprises winding section 13 and supports wallboard, winding section 13 is fixedly installed on described support wallboard, and winding section 13 and support wallboard surround described storage tank 14, and described strip bulge 40 is located at the outer wall of winding section 13, and described coil 20 is wound on this winding section 13.Described drum stand 10 also comprises the first flange part 11 and the second flange part 12, this first flange part 11 and the second flange part 12 are fixedly installed on respectively the two ends of described winding section 13, and the first flange part 11, the second flange part 12 and winding section 13 surround mounting groove, and described coil 20 is arranged in mounting groove.The first described flange part 11 is provided with the first breach 111 and the second breach 112, the first breach 111 and the second breach 112 and communicates with the notch of described storage tank 14 respectively, and the first breach 111 is corresponding with described strip bulge 40.Described drum stand 10 has the central shaft perpendicular to described the first flange part 11 and the second flange part 12, and described strip bulge 40 parallels with described central shaft or be substantially parallel.Described strip bulge 40 extends on the second described flange part 12.Described chip 30 has the first electrode and the second electrode, and the first described electrode and the initial part of described coil 20 21 realize and being electrically connected, and the tail portion 22 of this second electrode and described coil 20 realizes and being electrically connected.The diameter that described coil 20 winds the line is greater than the height of described strip bulge 40.Described coil 20 can be aerial coil.
Described electronic module is mainly used in NFC (Near Field Communication) technical field, and when described coil 20 adopts NFC coil 20, this electronic module is NFC electronic module.
The present embodiment has the following advantages or principle:
1, owing to being provided with four strip bulges 40 for set winding 20 initial part 21 at the outer wall of described drum stand 10, thereby, on the one hand, by the initial part of coil 20 21 is positioned on strip bulge 40, can guarantee preferably the position of the initial part 21 of coil 20, thereby can guarantee the coiling state of coil 20, prevent that deviation from appearring in resonance frequency; On the other hand, the initial part of coil 20 21 can also be adjusted between different strip bulge 40, be changed the coiling state of coil 20, and then change the electric capacity that swims of coil 20, the quality factor q value of adjusting coil 20, finally realizes the accurate adjustment to coil 20 resonance frequencys.
2, described winding section 13 and support wallboard surround described storage tank 14, and described strip bulge 40 is located at the outer wall of winding section 13, and described coil 20 is wound on this winding section 13.Thereby, by being set, winding section 13 coil 20 can be wound on drum stand 10 well, by being set, support wallboard can well chip 30 be arranged in storage tank 14.
3, described the first flange part 11, the second flange part 12 and winding section 13 surrounds mounting groove, and described coil 20 is arranged in mounting groove.Thereby, by coil 20 being arranged in mounting groove, can better coil 20 be wound on described winding section 13, be conducive to guarantee better the distributed capacitance of coil 20, with the resonance frequency of guaranteeing better coil 20, there is not deviation.
4, the first described breach 111 and the second breach 112 communicate with the notch of described storage tank 14 respectively, and the first breach 111 is corresponding with described strip bulge 40.Thereby, when coiling coil 20, first make the initial part 21 that coil 20 winds the line be positioned at after the side of strip bulge 40, through the first described breach 111 and the first electrode of chip 30, be electrically connected again, then the coiling of coil 20 enters in described mounting groove through the second breach 112, realize coil 20 and be wound on winding section 13,22 of the tail portion that coil 20 winds the line afterwards are out also passed the second described breach 112 from mounting groove, realize the electric connection with chip 30 second electrodes.Therefore by the first breach 111 and the second breach 112 are set, be conducive to realize the initial part 21 of coil 20 and the first electrode electric connection of chip 30, and realize the tail portion 22 of coil 20 and the second electrode electric connection of chip 30.
5, described detent mechanism is strip bulge 40.Thereby when the initial part 21 to coil 20 positions, need only the initial part of coil 20 21 near this strip bulge 40, this structure setting can realize the location of the initial part 21 to coil 20 simply and easily, can also realize the initial part of coil 20 21 is adjusted between different strip bulge 40, and then realize the accurate adjustment to coil 20 resonance frequencys simultaneously.
6, described drum stand 10 has central shaft, and described strip bulge 40 parallels with described central shaft or be substantially parallel.This structure setting can be conducive to realize better the location of the initial part 21 to coil 20.
7, described strip bulge 40 extends on the second described flange part 12.Thereby, can easily the initial part of coil 20 21 be adjusted between different strip bulge 40.
Embodiment bis-
As shown in Figure 1, Figure 2 and Figure 4, a kind of electronic module, comprise drum stand 10, chip 30 and coil 20, drum stand 10 is provided with storage tank 14, chip 30 is arranged in storage tank 14, and described coil 20 is wound on drum stand 10, and this coil 20 has initial part 21 and tail portion 22, initial part 21 and tail portion 22 are electrically connected with described chip 30 respectively, at the outer wall of described drum stand 10, are provided with four for locating the detent mechanism of described initial part 21.
Wherein, described detent mechanism is bar shaped depression 50.Described drum stand 10 comprises winding section 13 and supports wallboard, winding section 13 is fixedly installed on described support wallboard, and winding section 13 and support wallboard surround described storage tank 14, and described bar shaped depression 50 is located at the outer wall of winding section 13, and described coil 20 is wound on this winding section 13.Described drum stand 10 also comprises the first flange part 11 and the second flange part 12, this first flange part 11 and the second flange part 12 are fixedly installed on respectively the two ends of described winding section 13, and the first flange part 11, the second flange part 12 and winding section 13 surround mounting groove, and described coil 20 is arranged in mounting groove.The first described flange part 11 is provided with the first breach 111 and the second breach 112, the first breach 111 and the second breach 112 and communicates with the notch of described storage tank 14 respectively, and the first breach 111 and described bar shaped are caved in 50 corresponding.Described drum stand 10 has the central shaft perpendicular to described the first flange part 11 and the second flange part 12, and described bar shaped depression 50 parallels with described central shaft or be substantially parallel.Described bar shaped depression 50 extends on the second described flange part 12.Described chip 30 has the first electrode and the second electrode, and the first described electrode and the initial part of described coil 20 21 realize and being electrically connected, and the tail portion 22 of this second electrode and described coil 20 realizes and being electrically connected.The diameter that described coil 20 winds the line is greater than the degree of depth of described bar shaped depression 50.Described coil 20 can be aerial coil.
Described electronic module is mainly used in NFC (Near Field Communication) technical field, and when described coil 20 adopts NFC coil 20, this electronic module is NFC electronic module.
The present embodiment has the following advantages or principle:
1, owing to being provided with four depressions of the bar shaped for set winding 20 initial part 21 50 at the outer wall of described drum stand 10, thereby, on the one hand, by the initial part of coil 20 21 being positioned in bar shaped depression 50, can guarantee preferably the position of the initial part 21 of coil 20, thereby can guarantee the coiling state of coil 20, prevent that deviation from appearring in resonance frequency; On the other hand, the initial part of coil 20 21 can also be adjusted between different bar shaped depressions 50, be changed the coiling state of coil 20, and then change the electric capacity that swims of coil 20, the quality factor q value of adjusting coil 20, finally realizes the accurate adjustment to coil 20 resonance frequencys.
2, described winding section 13 and support wallboard surround described storage tank 14, and described bar shaped depression 50 is located at the outer wall of winding section 13, and described coil 20 is wound on this winding section 13.Thereby, by being set, winding section 13 coil 20 can be wound on drum stand 10 well, by being set, support wallboard can well chip 30 be arranged in storage tank 14.
3, described the first flange part 11, the second flange part 12 and winding section 13 surrounds mounting groove, and described coil 20 is arranged in mounting groove.Thereby, by coil 20 being arranged in mounting groove, can better coil 20 be wound on described winding section 13, be conducive to guarantee better the distributed capacitance of coil 20, with the resonance frequency of guaranteeing better coil 20, there is not deviation.
4, the first described breach 111 and the second breach 112 communicate with the notch of described storage tank 14 respectively, and the first breach 111 and described bar shaped are caved in 50 corresponding.Thereby, when coiling coil 20, first make the initial part 21 that coil 20 winds the line be positioned at after bar shaped depression 50, through the first described breach 111 and the first electrode of chip 30, be electrically connected again, then the coiling of coil 20 enters in described mounting groove through the second breach 112, realize coil 20 and be wound on winding section 13,22 of the tail portion that coil 20 winds the line afterwards are out also passed the second described breach 112 from mounting groove, realize the electric connection with chip 30 second electrodes.Therefore by the first breach 111 and the second breach 112 are set, be conducive to realize the initial part 21 of coil 20 and the first electrode electric connection of chip 30, and realize the tail portion 22 of coil 20 and the second electrode electric connection of chip 30.
5, described detent mechanism is bar shaped depression 50.Thereby when the initial part 21 to coil 20 positions, as long as the initial part of coil 20 21 is absorbed in or is partly absorbed in this bar shaped depression 50, this structure setting can realize the location of the initial part 21 to coil 20 simply and easily, can also realize the initial part of coil 20 21 is adjusted between different bar shaped depressions 50, and then realize the accurate adjustment to coil 20 resonance frequencys simultaneously.
6, described drum stand 10 has central shaft, and described bar shaped depression 50 parallels with described central shaft or be substantially parallel.This structure setting can be conducive to realize better the location of the initial part 21 to coil 20.
7, described bar shaped depression 50 extends on the second described flange part 12.Thereby, can easily the initial part of coil 20 21 be adjusted between different bar shaped depressions 50.
The above embodiment has only expressed the specific embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.

Claims (10)

1. an electronic module, it is characterized in that, comprise drum stand, chip and coil, drum stand is provided with storage tank, chip is arranged in storage tank, and described coil winding is on drum stand, and this coil has initial part and tail portion, initial part and tail portion are electrically connected with described chip respectively, at the outer wall of described drum stand, are provided with at least one for locating the detent mechanism of described initial part.
2. electronic module according to claim 1, it is characterized in that, described drum stand comprises winding section and supports wallboard, winding section is fixedly installed on described support wallboard, and winding section and support wallboard surround described storage tank, described detent mechanism is located at the outer wall of winding section, and described coil winding is on this winding section.
3. electronic module according to claim 2, it is characterized in that, described drum stand also comprises the first flange part and the second flange part, this first flange part and the second flange part are fixedly installed on respectively the two ends of described winding section, and the first flange part, the second flange part and winding section surround mounting groove, and described coil is arranged in mounting groove.
4. electronic module according to claim 3, is characterized in that, the first described flange part is provided with the first breach and the second breach, and the first breach and the second breach communicate with the notch of described storage tank respectively, and the first breach is corresponding with described detent mechanism.
5. according to the electronic module described in claim 3 or 4, it is characterized in that, described detent mechanism is strip bulge.
6. electronic module according to claim 5, is characterized in that, described drum stand has the central shaft perpendicular to described the first flange part and the second flange part, and described strip bulge parallels with described central shaft or be substantially parallel.
7. electronic module according to claim 5, is characterized in that, described strip bulge extends on the second described flange part.
8. according to the electronic module described in claim 3 or 4, it is characterized in that, described detent mechanism is bar shaped depression.
9. electronic module according to claim 8, is characterized in that, described drum stand has the central shaft perpendicular to described the first flange part and the second flange part, and described bar shaped depression parallels with described central shaft or be substantially parallel.
10. electronic module according to claim 8, is characterized in that, described bar shaped depression extends on the second described flange part.
CN201310407700.8A 2013-09-09 2013-09-09 Electronic module Active CN103730733B (en)

Priority Applications (2)

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CN201310407700.8A CN103730733B (en) 2013-09-09 2013-09-09 Electronic module
DE102014217976.9A DE102014217976B4 (en) 2013-09-09 2014-09-09 Electronic module

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CN103730733A true CN103730733A (en) 2014-04-16
CN103730733B CN103730733B (en) 2019-03-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107453042A (en) * 2016-06-01 2017-12-08 三星电机株式会社 Chip-type antenna

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021133673A1 (en) * 2021-12-17 2023-06-22 HELLA GmbH & Co. KGaA Arrangement of a transceiver and an antenna connected to the transceiver

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013034426A1 (en) * 2011-09-11 2013-03-14 Féinics Amatech Teoranta Rfid antenna modules and methods of making

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Publication number Priority date Publication date Assignee Title
NL8103602A (en) * 1981-07-30 1983-02-16 Philips Nv ELECTRIC COIL.
JPH0197519U (en) * 1987-12-21 1989-06-29

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013034426A1 (en) * 2011-09-11 2013-03-14 Féinics Amatech Teoranta Rfid antenna modules and methods of making

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107453042A (en) * 2016-06-01 2017-12-08 三星电机株式会社 Chip-type antenna

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CN103730733B (en) 2019-03-22
DE102014217976A1 (en) 2015-03-12
DE102014217976B4 (en) 2017-07-06

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