CN203103042U - Coil device for wireless charging or near-field induction of near field communication (NFC) - Google Patents
Coil device for wireless charging or near-field induction of near field communication (NFC) Download PDFInfo
- Publication number
- CN203103042U CN203103042U CN2013200229153U CN201320022915U CN203103042U CN 203103042 U CN203103042 U CN 203103042U CN 2013200229153 U CN2013200229153 U CN 2013200229153U CN 201320022915 U CN201320022915 U CN 201320022915U CN 203103042 U CN203103042 U CN 203103042U
- Authority
- CN
- China
- Prior art keywords
- coil
- wireless charging
- nfc
- base plate
- flexible base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007600 charging Methods 0.000 title claims abstract description 32
- 230000006698 induction Effects 0.000 title claims abstract description 25
- 238000004891 communication Methods 0.000 title abstract description 3
- 239000000758 substrate Substances 0.000 abstract description 28
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract 1
- 230000005389 magnetism Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 9
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 238000005452 bending Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 235000012431 wafers Nutrition 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008034 disappearance Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a coil device for wireless charging or near-field induction of a near field communication (NFC). The coil device for wireless charging or near-field induction of the NFC comprises a soft substrate, a first coil and a second coil, wherein the soft substrate is panel-shaped, the first coil is fixedly arranged on the soft substrate, a hollow containing portion is formed in the middle of the first coil, the first coil is provided with two outgoing-line ends, the second coil is fixedly arranged on the soft substrate, the second coil is arranged inside the containing portion of the first coil, and the second coil is provided with two outgoing-line ends. The soft substrate is used with the help of the coil device for wireless charging or near-field induction of the NFC, therefore the defect that an existing substrate is easily bent by external force to cause breakage in the process of manufacture or carrying or use due to the fact that the existing substrate is a hard substrate can be overcome, and the purposes that the yield of products is improved, manufacturing cost is reduced, and using convenience is improved can be achieved. In addition, due to the fact that the soft substrate has magnetism, the purposes that stability of the induced current is improved, and electromagnetic interference is reduced can be achieved.
Description
Technical field
The utility model is a kind of coil device that is used for wireless charging or the induction of NFC near field, refers to a kind of shortcoming of avoiding substrate to be subject to the external force bending and breaking especially, and then can improve product yield and the coil device that reduces manufacturing cost.
Background technology
At present in the technical field of utilization induction coil, wireless charging and NFC(Near Field Communication, the near field induction installation) the two kinds of the most popular application items of can saying so, wherein the former is that mobile phone and wireless charging device is close to certain distance, and make coil module in this mobile phone and the wireless charging device can form primary side and secondary side respectively as transformer, make the coil module in the mobile phone produce electric current because of electromagnetic induction principle, and then can be to cell-phone charging, the latter utilizes coil module set in two NFC devices can produce the mode of electric signals such as electric current because of electromagnetic induction when close, read and can reach, write or the purpose of swap date, both common points are for all being provided with the coil module, see also shown in Figure 1, wherein this coil module 1 common coil 2 that is set around on this substrate 10 by a substrate 10 and is constituted, this coil 2 can cementation mode combine fixing with this substrate 10, this coil 2 has two leading-out terminals 21 again, these two leading-out terminals 21 can electrically connect with power supply module or the NFC wafer on the circuit board of electronic installation such as mobile phone, and then make this coil module 1 can reach the purpose of wireless charging or induction transmission signals according to the aforementioned activities principle.
See also shown in Figure 1, this coil module 1, though can reach the purpose of wireless charging or induction transmission signals, but this substrate 10 is generally rigid substrate, therefore making easily, be subjected to the external force bending in carrying or the process such as use and break, and then cause the product yield to reduce, manufacturing cost increases and the inconvenience of using, simultaneously, in a single day this substrate 10 breaks, will further cause the magnetic coupling characteristic (for the wireless charging coil) of coil 2 or magnetic to cover characteristic (for the NFC coil) and reduce deterioration, and then cause disappearance such as the relatively poor or electromagnetic interference problem of the induced current stability of charging easily; In addition, the coil module 1 of the coil module 1 of wireless charging or the induction of NFC near field is all independent setting respectively usually, so electronic installation then must dispose two independently coil modules 1 if need possess this two kinds of functions simultaneously, so will cause volume to become big and the cost increase, thereby improved necessity will be arranged in fact.
Hereat, how disappearance such as above-mentioned is forgone, be the place of the technical difficulties that inventor of the present utility model institute desire solves.
The utility model content
Because existing coil module, because of substrate is rigid substrate, be subjected to external force bending easily and break, causing the product yield to reduce with manufacturing cost increases, therefore the purpose of this utility model is to provide a kind of coil device that is used for wireless charging or the induction of NFC near field, use flexible base plate by this coil device, and can avoid existing substrate because rigid substrate, and the easy shortcoming that in processes such as manufacturing, carrying or use, is subjected to the external force bending and breaks, and then make the utility model can reach the effect that improves the product yield, reduces manufacturing cost and promote ease of use; In addition, further have magnetic by this flexible base plate again, and can promote the magnetic coupling characteristic of this first coil respectively or the magnetic of second coil covers characteristic, and then can have promotion feeling induced current stability concurrently or reduce the effect of electromagnetic interference.
For reaching the above object, the utility model provides a kind of coil device that is used for wireless charging or the induction of NFC near field, and it comprises:
One flexible base plate, this flexible base plate are tabular;
One first coil, this first coil is fixedly arranged on this flexible base plate, is formed with the holding part of a hollow again in the middle of this first coil, and this first coil has two leading-out terminals in addition;
One second coil, this second coil is fixedly arranged on this flexible base plate, and this second coil is positioned at the holding part of this first coil again, and this second coil has two leading-out terminals in addition.
An embodiment of the present utility model, this flexible base plate is the magnetic flexible base plate.
An embodiment of the present utility model, this first coil is the wireless charging coil.
An embodiment of the present utility model, this second coil are NFC near field induction coil.
An embodiment of the present utility model, this first coil and this flexible base plate be cementation mutually.
An embodiment of the present utility model, this second coil and this flexible base plate be cementation mutually.Use flexible base plate by this coil device, and can avoid existing substrate because rigid substrate, and the easy disappearance that in processes such as manufacturing, carrying or use, is subjected to the external force bending and breaks, and then make the utility model can reach the effect that improves the product yield, reduces manufacturing cost and promote ease of use; In addition, further have magnetic by this flexible base plate again, and can promote the magnetic coupling characteristic of this first coil respectively or the magnetic of second coil covers characteristic, and then can have promotion feeling induced current stability concurrently or reduce the effect of electromagnetic interference.
The utility model comprises at least compared to the advantage of prior art:
1, flexible base plate can be avoided breaking, and can promote the product yield and reduce manufacturing cost.
2, preferable magnetic coupling characteristic or the magnetic of coil tool covers characteristic.
Description of drawings
Fig. 1 is the schematic diagram of existing coil module.
Fig. 2 is a decomposing schematic representation of the present utility model.
Fig. 3 is a combination schematic diagram of the present utility model.
Fig. 4 is the schematic diagram that its first coil of the utility model and second coil are connected with the power supply module and the NFC wafer of its circuit board of electronic installation respectively.
Fig. 5 is bent to prevent the stressed schematic diagram that breaks for the utility model.
[main element symbol description]
1 coil module, 10 substrates, 2 coils, 21 leading-out terminals
3 flexible base plates, 4 first coils, 41 leading-out terminals, 42 holding parts
5 second coils, 51 leading-out terminals, 6 circuit boards, 61 power supply modules
62 NFC wafers.
Embodiment
For the effect that makes other features of the present utility model and advantage and reached can more manifest, with the utility model conjunction with figs., be described in detail as follows now:
See also Fig. 2, shown in Figure 3, the utility model provides a kind of coil device that is used for wireless charging or the induction of NFC near field, and it comprises:
One flexible base plate 3, this flexible base plate 3 is a tabular, more preferably, this flexible base plate 3 can be the magnetic flexible base plate;
One first coil 4, this first coil 4 is fixedly arranged on this flexible base plate 3, this first coil 4 more specifically can with this flexible base plate 3 cementation mutually, be formed with the holding part 42 of a hollow again in the middle of this first coil 4, this first coil 4 has two leading-out terminals 41 in addition, in the present embodiment, this first coil 4 is the wireless charging coil;
One second coil 5, this second coil 5 is fixedly arranged on this flexible base plate 3, this second coil 5 more specifically can with this flexible base plate 3 cementation mutually, this second coil 5 is positioned at the holding part 42 of this first coil 4 again, this second coil 5 has two leading-out terminals 51 in addition, in the present embodiment, this second coil 5 is a NFC near field induction coil;
Please consult Fig. 3, shown in Figure 4 again, be fixedly arranged on respectively on this flexible base plate 3 by this first coil 4 and second coil 5, and this first coil 4 and second coil 5 have two leading- out terminals 41,51 respectively, and these first coil, 4 two leading-out terminals 41 can be electrically connected with the electronic installation of outside such as the power supply module 61 of its circuit board 6 of mobile phone, wherein this power supply module 61 can be storage battery, when this first coil 4 produces induced current, can be to these power supply module 51 chargings; These second coil, 5 two leading-out terminals 51 also can electrically connect with the NFC wafer 62 of this circuit board 6 again, make this NFC wafer 62 can produce the mode of electric signals such as induced current by second coil 5, carry out reading, write or exchanging of data with the electronic installation of another tool NFC function, and then the utility model can be reached be used for simultaneously the purpose of wireless charging and induction transmission signals.
Please consult shown in Figure 5 again, use flexible base plate 3 by coil device of the present utility model, and can avoid existing substrate 10 because rigid substrate, and the easy disappearance that in processes such as manufacturing, carrying or use, is subjected to the external force bending and breaks, and then make the utility model can reach the effect that improves the product yield, reduces manufacturing cost and promote ease of use; Simultaneously, further be the magnetic flexible base plate by this flexible base plate 3 again, so under the situation that is difficult for breaking, can avoid the magnetic coupling characteristic of wireless charging coil or the magnetic of NFC coil to cover characteristic reduction deterioration, and make the utility model can promote the sense value and the magnetic coupling characteristic of this first coil 4, and the magnetic that can keep this second coil 5 covers characteristic, and then the utility model can be had concurrently induced current stability that promotes charging and the effect that reduces electromagnetic interference; In addition, again by being respectively equipped with first coil 4 and second coil 5 on the flexible base plate 3 of the present utility model, and wireless charging coil and NFC near field induction coil can be made on the same substrate, and then make the utility model can have the effect of saving volume and better reduction manufacturing cost concurrently.
For making the utility model show its progressive and practicality more, as follows with one comparative analysis of existing do now:
Xian You Ji Shu ﹕
1, substrate is rigid substrate, is subjected to external force bending easily and breaks, and causing the product yield to reduce with manufacturing cost increases.
2, it is relatively poor that the magnetic coupling characteristic of coil or magnetic cover characteristic.
The utility model You Dian ﹕
1, flexible base plate can be avoided breaking, and can promote the product yield and reduce manufacturing cost.
2, preferable magnetic coupling characteristic or the magnetic of coil tool covers characteristic.
Above-described content only is preferred embodiment of the present utility model, when not limiting the utility model practical range with this; So, allly change and modify according to the utility model claim and the simple equivalent done of creation description, all should still belong in the scope that the utility model patent contains.
Claims (6)
1. a coil device that is used for wireless charging or the induction of NFC near field is characterized in that, comprises:
A flexible base plate, this flexible base plate are tabular;
One first coil, this first coil is fixedly arranged on this flexible base plate, is formed with the holding part of a hollow again in the middle of this first coil, and this first coil has two leading-out terminals in addition;
One second coil, this second coil is fixedly arranged on this flexible base plate, and this second coil is positioned at the holding part of this first coil again, and this second coil has two leading-out terminals in addition.
2. the coil device that is used for wireless charging or the induction of NFC near field as claimed in claim 1 is characterized in that this flexible base plate is the magnetic flexible base plate.
3. the coil device that is used for wireless charging or the induction of NFC near field as claimed in claim 1 or 2 is characterized in that this first coil is the wireless charging coil.
4. the coil device that is used for wireless charging or the induction of NFC near field as claimed in claim 1 or 2 is characterized in that this second coil is a NFC near field induction coil.
5. the coil device that is used for the induction of wireless charging or NFC near field as claimed in claim 1 or 2 is characterized in that, this first coil and this flexible base plate be cementation mutually.
6. the coil device that is used for the induction of wireless charging or NFC near field as claimed in claim 1 or 2 is characterized in that, this second coil and this flexible base plate be cementation mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200229153U CN203103042U (en) | 2013-01-16 | 2013-01-16 | Coil device for wireless charging or near-field induction of near field communication (NFC) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200229153U CN203103042U (en) | 2013-01-16 | 2013-01-16 | Coil device for wireless charging or near-field induction of near field communication (NFC) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203103042U true CN203103042U (en) | 2013-07-31 |
Family
ID=48854429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200229153U Expired - Fee Related CN203103042U (en) | 2013-01-16 | 2013-01-16 | Coil device for wireless charging or near-field induction of near field communication (NFC) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203103042U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103714953A (en) * | 2013-12-24 | 2014-04-09 | 南京师范大学 | Wireless charging coil |
| WO2016026095A1 (en) * | 2014-08-20 | 2016-02-25 | 黄智� | Thin high-efficiency wireless charging coil and wireless charging system thereof |
| CN105742043A (en) * | 2014-12-31 | 2016-07-06 | 三星电机株式会社 | Power transmitting coil structure and wireless power transmitting apparatus including the same |
| CN107591904A (en) * | 2016-07-07 | 2018-01-16 | 三星电机株式会社 | Magnetic piece and electronic equipment |
| 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 |
| CN109004333A (en) * | 2015-07-06 | 2018-12-14 | Lg伊诺特有限公司 | wireless antenna for wireless charging and NFC communication |
| WO2021119937A1 (en) * | 2019-12-16 | 2021-06-24 | 瑞声声学科技(深圳)有限公司 | Wireless charging coil module and wireless charging device |
| US11372444B2 (en) | 2017-04-09 | 2022-06-28 | Huawei Technologies Co., Ltd. | In-vehicle infotainment apparatus, terminal device, and vehicle |
| US11728564B2 (en) | 2019-11-27 | 2023-08-15 | AQ Corporation | Smartphone antenna in flexible PCB |
| US12003018B2 (en) | 2023-06-29 | 2024-06-04 | AQ Corporation | Smartphone with wireless power charing antenna |
-
2013
- 2013-01-16 CN CN2013200229153U patent/CN203103042U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103714953A (en) * | 2013-12-24 | 2014-04-09 | 南京师范大学 | Wireless charging coil |
| WO2016026095A1 (en) * | 2014-08-20 | 2016-02-25 | 黄智� | Thin high-efficiency wireless charging coil and wireless charging system thereof |
| CN106464023A (en) * | 2014-08-20 | 2017-02-22 | 墨尚电子技术(上海)有限公司 | Thin high-efficiency wireless charging coil and wireless charging system thereof |
| CN106464023B (en) * | 2014-08-20 | 2019-01-08 | 墨尚电子技术(上海)有限公司 | Slim Wireless charging coil and its wireless charging system |
| CN105742043A (en) * | 2014-12-31 | 2016-07-06 | 三星电机株式会社 | Power transmitting coil structure and wireless power transmitting apparatus including the same |
| CN109004333A (en) * | 2015-07-06 | 2018-12-14 | Lg伊诺特有限公司 | wireless antenna for wireless charging and NFC communication |
| CN109037900A (en) * | 2015-07-06 | 2018-12-18 | Lg伊诺特有限公司 | wireless antenna for wireless charging and NFC communication |
| US10727592B2 (en) | 2015-07-06 | 2020-07-28 | Lg Innotek Co., Ltd. | Wireless antenna for wireless charging and NFC communication and wireless terminal to which same is applied |
| CN107591904A (en) * | 2016-07-07 | 2018-01-16 | 三星电机株式会社 | Magnetic piece and electronic equipment |
| 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 |
| US11372444B2 (en) | 2017-04-09 | 2022-06-28 | Huawei Technologies Co., Ltd. | In-vehicle infotainment apparatus, terminal device, and vehicle |
| US11728564B2 (en) | 2019-11-27 | 2023-08-15 | AQ Corporation | Smartphone antenna in flexible PCB |
| WO2021119937A1 (en) * | 2019-12-16 | 2021-06-24 | 瑞声声学科技(深圳)有限公司 | Wireless charging coil module and wireless charging device |
| US12003018B2 (en) | 2023-06-29 | 2024-06-04 | AQ Corporation | Smartphone with wireless power charing antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203103042U (en) | Coil device for wireless charging or near-field induction of near field communication (NFC) | |
| EP3322028A1 (en) | Wireless antenna for wireless charging and nfc communication and wireless terminal to which same is applied | |
| CN204441452U (en) | For NFC antenna structure and the intelligent watch of wearable device | |
| TW201316643A (en) | Sharing induction module of near field communication and cordless charging | |
| CN104466363A (en) | NFC antenna structure applied to wearable device and intelligent watch | |
| CN105337323A (en) | Wireless charging battery and electronic device possessing the same | |
| KR101532052B1 (en) | Antenna patch comprising common terminals for wireless charging and nfc communication | |
| CN204180250U (en) | There is the sound equipment of QI standard radio charge function | |
| CN212012268U (en) | Coil module | |
| CN205069921U (en) | Earphone subassembly and electronic equipment | |
| CN204884792U (en) | Wireless magnetic core for charger | |
| CN203103041U (en) | Coil module capable of avoiding reduction of magnetic properties of wireless charging device | |
| CN203760630U (en) | Nfc antenna | |
| CN205004809U (en) | Solar energy magnetic suspension wireless charging device | |
| CN204481529U (en) | A kind of touch type charging device | |
| CN210246352U (en) | Two-sided transmission wireless charger | |
| CN204012793U (en) | Wireless charger | |
| CN104064874A (en) | Integrated transceiver antenna applied for wireless charging | |
| CN102790927A (en) | Multimedia player and wireless earphone matching with same | |
| CN203181001U (en) | RFID-based payment mobile phone | |
| CN202168118U (en) | Mobile telephone casing | |
| CN206774665U (en) | A kind of terminal | |
| CN205178015U (en) | Antenna device and mobile terminal | |
| CN202565007U (en) | Wireless charger | |
| CN214850645U (en) | Wireless charging device and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20210116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |