CN208299547U - Circuit coexists in twin coil - Google Patents
Circuit coexists in twin coil Download PDFInfo
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- CN208299547U CN208299547U CN201720263470.6U CN201720263470U CN208299547U CN 208299547 U CN208299547 U CN 208299547U CN 201720263470 U CN201720263470 U CN 201720263470U CN 208299547 U CN208299547 U CN 208299547U
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- coil
- wireless charging
- nfc
- module
- circuit
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Abstract
The utility model relates to wireless charging technical fields, circuit coexists more particularly to twin coil, it includes first coil, the second coil, wireless charging module and NFC module, the first coil is nested in the second coil, the first coil and wireless charging module are electrically connected, and second coil and NFC module are electrically connected.The utility model is used in wireless charging transmitting terminal system, easy to operate, and performance is stablized, and wireless charging setting nested with NFC coil is not interfere with each other, the efficient stable of common guarantee wireless charging process.
Description
Technical field
The utility model relates to wireless charging technical fields, and in particular to circuit coexists in twin coil.
Background technique
With being constantly progressive for wireless charging skill technology, there is the wireless charger of wireless charging function and be electrically charged equipment
Also make rapid progress.The mode that existing wireless charger generallys use electromagnetic induction charges to equipment is electrically charged, some
With in scene, when due to other loads occur in wireless charging energy electromagnetic field, which generally also can persistently be given
Energy is given, equipment is damaged so as to cause heating, or even generate security risk.Furthermore for the timeliness for guaranteeing wireless charging,
The charging transmitting terminal of usual wireless charger is constantly in the open state, and which results in energy consumptions under no load
Waste.
Utility model content
For this purpose, the utility model, which provides a kind of twin coil, coexists circuit, it is used in wireless charging transmitting terminal system, grasps
Make easy, performance is stablized, and wireless charging setting nested with NFC coil is not interfere with each other, common guarantee wireless charging process it is efficient
Stablize.
To achieve the above object, the utility model provides twin coil and circuit coexists comprising first coil, the second line
Circle, wireless charging module and NFC module, the first coil are nested in the second coil, the first coil and wireless charging
Module is electrically connected, and second coil and NFC module are electrically connected.
Further, the first coil is arranged on flexible circuit board, and the flexible circuit board is equipped with wireless charging
Module and NFC module, the first coil periphery is uniformly around equipped with the second coil, two taps and wireless charging of the first coil
Electric module is electrically connected, and two taps and NFC module of second coil are electrically connected.
Further, the first coil is Wireless charging coil, parallel connection one between two tap of Wireless charging coil
First capacitor, the Wireless charging coil, first coil and wireless charging module constitute the first oscillating circuit, the first oscillation electricity
Road receives the signal emitted from wireless charging pedestal.
Further, second coil is NFC coil, one second capacitor of parallel connection between two tap of NFC coil,
NFC coil, the second capacitor and NFC module constitute the second oscillating circuit, which receives sends out from NFC transmitting terminal
The signal penetrated.
It is different from the prior art, above-mentioned technical proposal has the advantages that
1, the twin coil mode that the technical solution of the utility model passes through one NFC coil nesting Wireless charging coil of design
Two different coils are combined into one as coaxial coil, and pass through different wiring taps for Wireless charging coil and NFC
Coil is respectively connected on wireless charging circuit and NFC circuit.To realize the signal for realizing different frequency on same coil
Reception.When NFC transmitting terminal emits NFC signal, the first oscillating circuit receives NFC signal, and NFC circuit works and the electricity that charges
Road will not respond；And when transmitting terminal send be wireless charging signal when, wireless charging circuit work and NFC circuit will not be rung
It answers.So as to avoid to avoiding entire wireless charging system due to that can not identify the equipment for establishing connection, and cannot achieve pair
It is electrically charged the accurate charging of equipment, while also avoiding wireless charging system and constantly locating to generate heat during the work time and damage or produce
Raw security risk.
2, it is identified, can intelligently be responded respectively in wireless charging circuit and NFC circuit, wireless charging using twin coil
The transmitting terminal of module is in the open state without the moment, effectively saves power consumption.
3, by feedback mechanism, the transmitting terminal of wireless charging module can dynamically adjust power, adapt to transmitting and
The a variety of different wireless charging distances in receiving end, and reduce the waste of power and overload or temperature that receiving end is likely to occur are hidden
Suffer from.
4, the utility model is applied in wireless charging transmitting terminal system, easy to operate, performance stablize, wireless charging and
NFC is mutually indepedent, does not interfere with each other, the efficient stable of common guarantee wireless charging process.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment 1.
Fig. 2 is the circuit diagram of the utility model embodiment 2.
Description of symbols:
1.NFC module, 2. wireless charging modules, 3. first coils, 4. second coils.
Specific embodiment
Technology contents, construction feature, the objects and the effects for detailed description technical solution, below in conjunction with specific reality
It applies example and attached drawing is cooperated to be explained in detail.
Embodiment 1:
Refering to Figure 1, circuit coexists in the twin coil of the present embodiment comprising first coil 3, the second coil 4, wireless
Charging module 2 and NFC module 1, the first coil 3 are nested in the second coil 4, the first coil 3 and wireless charging mould
Block 2 is electrically connected, and second coil 4 is electrically connected with NFC module 1.The first coil 3 is arranged on flexible circuit board,
The flexible circuit board is equipped with wireless charging module 2 and NFC module 1, and 3 periphery of first coil is uniformly around equipped with the second line
Circle 4, two taps and wireless charging module 2 of the first coil 3 are electrically connected, two taps and NFC of second coil 4
Module 1 is electrically connected.
In another embodiment, the first coil 3 is wound around on the tubular bobbin that an insulating materials is made,
Wireless charging module 2 and NFC module 1 are equipped in the tubular bobbin.
In the present embodiment, first coil and the second coil are direct customizations using polyester film as the flexible circuit of substrate
On plate.By the capacitor inside the resonance frequency for wishing to reach and chip pin end, coil inductance is calculated, further according to structure ruler
Very little and coil inductance formula calculates the circle number and line footpath of entire coil.Due to the resonance frequency of first coil and the second coil design
Point is different, it is ensured that two coils work independently without interfering with each other.
Embodiment 2:
In order to which the principles of the present invention are further described, refering to what is shown in Fig. 2, in the present embodiment 2, the first coil 3
For Wireless charging coil 3, one first capacitor C1 of parallel connection between 3 liang of taps of the Wireless charging coil, wireless charging module 2, first
Capacitor C1 and Wireless charging coil 3 constitute the first oscillating circuit, which receives emits from wireless charging pedestal
Signal.
In the present embodiment, second coil 4 is NFC coil 4, one second capacitor in parallel between 4 liang of taps of the NFC coil
C2, NFC coil 4, the second capacitor C2 and NFC module 1 constitute the second oscillating circuit, which receives sends out from NFC
Penetrate the signal of end transmitting.
The working principle of the present embodiment 2:
As the coil coil made of Wireless charging coil setting nested with NFC coil, coil in the present embodiment 2
1,2 feet of coil tap connect NFC circuit, and form an oscillating circuit with capacitor C4, receive and are transmitted across from NFC transmitting terminal
The signal come；3,4 feet of coil tap connect wireless charging circuit, and form another oscillating circuit with C3, receive and come from nothing
The signal that line charging base emits.Because wireless charging is different with the working frequency of NFC, that when transmitting terminal transmission is NFC
When signal, NFC circuit works and wireless charging circuit will not respond；And when transmitting terminal send be wireless charging signal when, nothing
Line charging circuit works and NFC circuit will not respond, and two coils, which are coaxially integrated, ensures wireless charging and NFC monitoring in a coil
Work is without interacting.
It is different from the prior art, the present embodiment has the advantages that
1, the twin coil mode that the technical solution of the utility model passes through one NFC coil nesting Wireless charging coil of design
Two different coils are combined into one as coaxial coil, and pass through different wiring taps for Wireless charging coil and NFC
Coil is respectively connected on wireless charging circuit and NFC circuit.To realize the signal for realizing different frequency on same coil
Reception.When NFC transmitting terminal emits NFC signal, the first oscillating circuit receives NFC signal, and NFC circuit works and the electricity that charges
Road will not respond；And when transmitting terminal send be wireless charging signal when, wireless charging circuit work and NFC circuit will not be rung
It answers.So as to avoid to avoiding entire wireless charging system due to that can not identify the equipment for establishing connection, and cannot achieve pair
It is electrically charged the accurate charging of equipment, while also avoiding wireless charging system and constantly locating to generate heat during the work time and damage or produce
Raw security risk.
2, it is identified, can intelligently be responded respectively in wireless charging circuit and NFC circuit, wireless charging using twin coil
The transmitting terminal of module is in the open state without the moment, effectively saves power consumption.
3, the circuit in the utility model constantly precisely can feed back to be electrically charged and set during the charging process by NFC interface
The states such as standby battery and temperature, thus more reliable and safer adjusting transmitting terminal.
4, by feedback mechanism, the transmitting terminal of wireless charging module can dynamically adjust power, adapt to transmitting and
The a variety of different wireless charging distances in receiving end, and reduce the waste of power and overload or temperature that receiving end is likely to occur are hidden
Suffer from.
5, the utility model is applied in wireless charging transmitting terminal system, easy to operate, performance stablize, wireless charging and
NFC is mutually indepedent, does not interfere with each other, the efficient stable of common guarantee wireless charging process.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or the terminal device that include a series of elements not only include those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or end
The intrinsic element of end equipment.In the absence of more restrictions, being limited by sentence " including ... " or " including ... "
Element, it is not excluded that there is also other elements in process, method, article or the terminal device for including the element.This
Outside, herein, " being greater than ", " being less than ", " being more than " etc. are interpreted as not including this number；" more than ", " following ", " within " etc. understand
Being includes this number.
Although the various embodiments described above are described, once a person skilled in the art knows basic wounds
The property made concept, then additional changes and modifications can be made to these embodiments, so the foregoing is merely the realities of the utility model
Example is applied, the scope of patent protection of the utility model is not intended to limit, it is all to utilize the utility model specification and accompanying drawing content
Made equivalent structure or equivalent flow shift, is applied directly or indirectly in other relevant technical fields, and similarly includes
Within the scope of patent protection of the utility model.
Claims (1)
1. circuit coexists in twin coil characterized by comprising first coil, the second coil, wireless charging module and NFC module,
The first coil is nested in the second coil, and the first coil and wireless charging module are electrically connected, second coil
It is electrically connected with NFC module, the first coil is located at one using polyester film as on the flexible circuit board of substrate, the flexible electrical
Road plate is equipped with wireless charging module and NFC module, and the first coil periphery is uniformly around equipped with the second coil, the First Line
Two taps and wireless charging module of circle are electrically connected, and two taps of second coil and NFC module are electrically connected, and described the
One coil is Wireless charging coil, one first capacitor of parallel connection between two tap of Wireless charging coil, the Wireless charging coil,
First coil and wireless charging module constitute the first oscillating circuit, which receives emits from wireless charging pedestal
Signal, second coil is NFC coil, one second capacitor in parallel between two tap of NFC coil, NFC coil, the second electricity
Hold and NFC module constitutes the second oscillating circuit, which receives the signal emitted from NFC transmitting terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720263470.6U CN208299547U (en) | 2017-03-17 | 2017-03-17 | Circuit coexists in twin coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720263470.6U CN208299547U (en) | 2017-03-17 | 2017-03-17 | Circuit coexists in twin coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208299547U true CN208299547U (en) | 2018-12-28 |
Family
ID=64696204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720263470.6U Active CN208299547U (en) | 2017-03-17 | 2017-03-17 | Circuit coexists in twin coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208299547U (en) |
-
2017
- 2017-03-17 CN CN201720263470.6U patent/CN208299547U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Wireless charging and NFC dual-coil coexistence circuit Effective date of registration: 20190909 Granted publication date: 20181228 Pledgee: Lin Zhihong Pledgor: GENGEE TECHNOLOGY Co.,Ltd. Registration number: Y2019980000128 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220729 Granted publication date: 20181228 Pledgee: Lin Zhihong Pledgor: GENGEE TECHNOLOGY Co.,Ltd. Registration number: Y2019980000128 |