CN208782860U - SIM card and mobile terminal - Google Patents
SIM card and mobile terminal Download PDFInfo
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- CN208782860U CN208782860U CN201821851862.5U CN201821851862U CN208782860U CN 208782860 U CN208782860 U CN 208782860U CN 201821851862 U CN201821851862 U CN 201821851862U CN 208782860 U CN208782860 U CN 208782860U
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- nfc
- mobile terminal
- sim card
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Abstract
The embodiment of the present application provides a kind of SIM card and mobile terminal, it is related to NFC communication technical field, wherein, the SIM card includes safety element, NFC module and bluetooth module, the bluetooth module is electrically connected with the safety element and NFC module respectively, constitutes safety element, the data communication channel of NFC module and external mobile terminal arbitrarily between the two.By SIM card provided by the embodiments of the present application, the flexibility of NFC function application can be improved while providing NFC function for mobile terminal.
Description
Technical field
This application involves NFC communication technical fields, in particular to a kind of SIM card and mobile terminal.
Background technique
NFC (Near Field Communication, near-field communication) technology, is a kind of short-range high frequency wireless telecommunications
Technology brings many conveniences, it can be achieved that non-contact data transmission between electronic equipment for daily life.
Currently, realizing NFC function there are mainly two types of technological means on mobile phone:
One is using NFC controller, that is, one be integrated with the SOC chip of NFC communication module and built-in with CPU, bears
Safety element in duty and SIM card, the control terminal chip of mobile phone and the HF card reader of outside carry out data interaction.The program needs
It wants to increase NFC controller chip on mobile phone, while also needing the antenna of external 13.56M, increase the cost of mobile phone.
Another kind is that NFC communication module, i.e., the scheme of full terminal are integrated in SIM card.The advantages of this scheme is without increasing
Add any hardware design, NFC function can be realized using the program in mobile phones several greatly absolutely.But pacify in this scenario
Full element has been multiplexed 7816 interfaces of SIM card dedicated cpu and mobile communication, thus the flexibility of NFC function application receive compared with
It is big to influence.
Utility model content
In order to overcome above-mentioned deficiency in the prior art, the application provides a kind of SIM card and mobile terminal.Wherein, described
SIM card by bluetooth module constitute safety element, the data communication channel of NFC module and mobile terminal arbitrarily between the two, for
While mobile terminal provides NFC function, the flexibility of NFC function application is improved.
To achieve the goals above, the application preferred embodiment the technical solution adopted is as follows:
In a first aspect, the embodiment of the present application provides a kind of SIM card, the SIM card includes safety element, NFC module and indigo plant
Tooth module；Wherein,
The safety element and the bluetooth module are electrically connected, and the bluetooth module and the NFC module are electrically connected；
Data communication channel, also, institute are constituted by the bluetooth module between the safety element and the NFC module
Safety element and the NFC module is stated to communicate by bluetooth module realization with exterior terminal.
Optionally, in the embodiment of the present application, the bluetooth module includes multiple digital interfaces, and the digital interface includes
SPI, I2C, UART, GPIO, any one in 7816 interfaces.
Optionally, in the embodiment of the present application, the NFC module includes NFC chip and is electrically connected with the NFC chip
NFC antenna；Wherein,
The NFC antenna includes penetrating for receiving the RXP pin of the first radiofrequency signal, RXN pin and for sending second
TXP pin, the TXN pin of frequency signal；
The NFC chip includes analog radio frequency front end, if demodulator, clock frequency phase restoring circuit, digital baseband
Circuit and active power amplifier；
The analog radio frequency front end and the RXP pin and RXN pin are electrically connected, for first radiofrequency signal
Amplify processing；
The if demodulator and the analog radio frequency front end and digital baseband circuit are electrically connected, described for demodulating
Communication data in first radiofrequency signal, and the communication data is sent to the digital baseband circuit and carries out protocol processes；
The clock frequency phase restoring circuit and the analog radio frequency front end, digital baseband circuit, if demodulator and
Active power amplifier is electrically connected, and is sent out for obtaining the clock signal in first radiofrequency signal, and by the clock signal
It send to the digital baseband circuit, if demodulator and active power amplifier；
The active power amplifier is also electrically connected with the digital baseband circuit and the TXP pin, TXN pin,
For amplifying the second radiofrequency signal externally sent, and through the TXP pin, TXN pin by second radio signal transmission
To the NFC antenna.
Optionally, in the embodiment of the present application, the NFC chip further includes non-volatile memory, described non-volatile
Property storage circuit and the digital baseband circuit be electrically connected.
Optionally, in the embodiment of the present application, the digital baseband circuit includes GPIO interface, the digital baseband circuit
It is electrically connected by the GPIO interface and the bluetooth module.
Optionally, in the embodiment of the present application, the SIM card includes multiple safety elements, the multiple safety element point
It is not electrically connected with the bluetooth module.
Second aspect, the embodiment of the present application provide a kind of mobile terminal, and the mobile terminal is equipped with SIM as described above
Card；
The SIM card is connect by the bluetooth module with communication of mobile terminal, and passes through the NFC module and safety member
Part provides NFC function for the mobile terminal.
Optionally, in the embodiment of the present application, the SIM card includes communication module, and the communication module is connect by number
Mouth is electrically connected with the mobile terminal, provides mobile communication service for the mobile terminal.
Optionally, in the embodiment of the present application, the communication module is electrical by ISO7816 interface and the mobile terminal
Connection.
Optionally, in the embodiment of the present application, the mobile terminal includes NFC controller, and the safety element includes SWP
Interface, the NFC controller are electrically connected by the SWP interface and the safety element.
In terms of existing technologies, the application has the advantages that
SIM card provided by the embodiments of the present application includes safety element, NFC module and bluetooth module, wherein the bluetooth mould
Block is electrically connected with the safety element and NFC module respectively, is constituted safety element, NFC module and external mobile terminal and is appointed
The data communication channel of meaning between the two.By SIM card provided by the embodiments of the present application, NFC function can provided for mobile terminal
While energy, the flexibility of NFC function application is improved.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the first structure diagram of SIM card provided by the embodiments of the present application；
Fig. 2 is the second structural schematic diagram of SIM card provided by the embodiments of the present application；
Fig. 3 is the structural schematic diagram of NFC chip in SIM card provided by the embodiments of the present application；
The data interaction schematic diagram of a scenario of Fig. 4 mobile terminal provided by the embodiments of the present application and SIM card.
Icon: 10- safety element；20- bluetooth module；21- Bluetooth chip；22- Bluetooth antenna；30-NFC module；31-
NFC chip；311- analog radio frequency front end；312- if demodulator；313- clock frequency phase restoring circuit；314- digital baseband
Circuit；315- non-volatile memory；316- active power amplifier；32-NFC antenna；40- communication module；41-SIM touching
Point；50- mobile terminal.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.The application being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments herein provided in the accompanying drawings is not intended to limit below claimed
Scope of the present application, but be merely representative of the selected embodiment of the application.Based on the embodiment in the application, this field is common
Technical staff's all other embodiment obtained without creative efforts belongs to the model of the application protection
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present application, it should be noted that the naming methods such as term " first ", " second " are merely to distinguish
The different characteristic of the application, simplifies description, rather than indication or suggestion its relative importance, therefore should not be understood as to the application
Limitation.
In the description of the present application, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood in the application with concrete condition
In concrete meaning.
With reference to the accompanying drawing, it elaborates to some embodiments of the application.In the absence of conflict, following
Feature in embodiment and embodiment can be combined with each other.
Fig. 1 is please referred to, is the first structure diagram of SIM card provided by the embodiments of the present application, which includes safety member
Part 10, NFC module 30 and bluetooth module 20, wherein the bluetooth module 20 respectively with the safety element 10 and NFC module 30
It is electrically connected.
Below by the specific work to the safety element 10, NFC module 30 and bluetooth module 20 in the embodiment of the present application
With being illustrated:
The NFC module 30 is used to carry out near-field communication with external NFC devices (such as POS machine, subway gate, gate inhibition),
Realize a variety of data interaction functions of such as e-payment, authentication.Specifically, in the embodiment of the present application, the NFC module
30 can carry out data exchange by active and passive both of which and external NFC devices.
The safety element 10 is used to carry out safety to the interaction data between the NFC module 30 and external NFC devices
Management prevents external equipment from carrying out malice in interactive process and parses attack.Also, in the embodiment of the present application, the safety
Element 10 can install various application programs, for example, operator's factory application, life application (bus card, subway card, social security card,
Electronic ID card), mobile payment application (Alipay, mobile phone wallet, Unionpay) etc., to realize the integrated sum aggregate of multiservice functionality
Cheng Hua brings more conveniences while ensuring data interaction safety for user.
The bluetooth module 20 is for realizing between the NFC module 30 and the safety element 10 and the NFC mould
Block 30, the safety element 10 and external belt bluetooth mobile terminal 50 (such as mobile phone, the tablet computer with plug-in card function) it
Between data communication.For example, when the SIM card is mounted in the mobile phone with bluetooth, the SIM card can pass through the indigo plant
Tooth module 20 is connected to Bluetooth of mobile phone, to realize the mobile phone, NFC module 30, any number between the two in safety element 10
According to communication.
In other words, when the bluetooth module 20 establishes the communication channel between NFC module 30 and safety element 10, institute
CE (Card Emulation, card mold are quasi-) function can be realized by NFC module 30 and safety element 10 by stating SIM card, and work as institute
When stating the communication channel that bluetooth module 20 is established between NFC module 30 and mobile terminal 50, the SIM card can be with mobile terminal
The various application software installed in 50 realize HCE jointly (card mold of Host-based Card Emulation, Intrusion Detection based on host are quasi-)
Function.
Referring to Fig. 2, in the embodiment of the present application, the SIM card includes communication module 40, and the communication module 40 passes through number
Word interface and mobile terminal 50 are electrically connected, to provide the mobile communication such as call and network data transmission for the mobile terminal 50
Service.
Specifically, in the embodiment of the present application, the SIM card can pass through ISO7816 interface and the mobile terminal 50
It is electrically connected (multiple SIM contacts 41 as shown in Figure 2).
It further, include the power supply contact for power supply in the multiple SIM contact 41, when the SIM card is logical
After crossing the power supply contact and the electric connection of mobile terminal 50, the mobile terminal 50 can also be the communication module 40, bluetooth
Module 20, NFC module 30 and safety element 10 are powered.
Optionally, in the embodiment of the present application, it is the bluetooth module that independent current source can also be arranged in the SIM
20, NFC module 30 and safety element 10 are individually powered, to guarantee the bluetooth module 20, NFC module 30 and safety element 10
It works in the case where mobile terminal 50 powers off, further increases the flexibility of NFC function application.
With continued reference to Fig. 2, in the embodiment of the present application, the bluetooth module 20 may include Bluetooth chip 21 and for connecing
Receive and send the Bluetooth antenna 22 of data.Specifically, in the embodiment of the present application, the Bluetooth chip 21 can also integrate micro- place
Device is managed, so that the Bluetooth chip 21 is to the interaction between the NFC module 30, safety element 10, mobile terminal 50
While data are routed, interaction data can also be handled as needed.
With continued reference to Fig. 2, in the embodiment of the present application, the NFC chip 31 may include NFC chip 31 and for receiving
With the NFC antenna 32 for sending radiofrequency signal, the NFC antenna 32 is electrically connected with the NFC chip 31.
Specifically, referring to figure 3., in the embodiment of the present application, the NFC chip 31 may include analog radio frequency front end
311, if demodulator 312, clock frequency phase restoring circuit 313, digital baseband circuit 314 and active power amplifier 316,
The NFC antenna 32 may include for receiving the RXP pin of the first radiofrequency signal, RXN pin and for sending the second radio frequency
TXP pin, the TXN pin of signal.
Wherein, the analog radio frequency front end 311 and the RXP pin and RXN pin of the NFC antenna 32 are electrically connected, and are used
In amplifying processing to received first radiofrequency signal of the NFC antenna 32, in the embodiment of the present application, before the analog radio frequency
End 311 may include low-noise amplifier and variable gain amplifier two-stage.
The if demodulator 312 is electrically connected with the analog radio frequency front end 311 and digital baseband circuit 314, described
After the analog radio frequency front end 311 is amplified, carrying out processing by the if demodulator 312 can demodulate first radiofrequency signal
The communication data for including in first radiofrequency signal out.
First radiofrequency signal is after the if demodulator 312 out communication data, output to the digital baseband electricity
Road 314 is further processed, and obtains the corresponding digital signal of the communication data.
In the embodiment of the present application, the digital baseband circuit 314 includes GPIO interface, the digital baseband circuit 314
It is electrically connected by the GPIO interface and the bluetooth module 20.The digital baseband circuit 314 can in data exchange process
Digital signal is converted to the radio frequency analog signal for sending external NFC devices and is sent to the bluetooth module 20, through described
Bluetooth module 20 routes to safety element 10 or mobile terminal 50 is handled.Meanwhile the digital baseband circuit 314 can also be right
The digital signal that the safety element 10 or mobile terminal 50 are sent through bluetooth module 20 is converted to analog signal, is then sent to
External NFC devices.
The active power amplifier 316 and the digital baseband circuit 314 and the TXP pin of the NFC antenna 32,
TXN pin is electrically connected, and the digital baseband circuit 314 handles obtained the second radio frequency for sending to external NFC devices
Signal can be amplified by the active power amplifier 316, be then transmitted to through the TXP pin, TXN pin described
NFC antenna 32 is externally sent.
The clock frequency phase restoring circuit 313 respectively with the analog radio frequency front end 311, digital baseband circuit 314,
If demodulator 312 and active power amplifier 316 are electrically connected, and for handling first radiofrequency signal, are obtained
Clock signal wherein included, then by the clock signal be sent to the digital baseband circuit 314, if demodulator 312 and
Active power amplifier 316 realizes that clock is synchronous.
With continued reference to Fig. 3, in the embodiment of the present application, the NFC chip 31 further includes electric power management circuit and non-volatile
Property storage circuit 315.Wherein, the electric power management circuit is used to manage the power supply of NFC chip 31, described non-volatile to deposit
Storage road 315 for storing data, leads to loss of data after preventing NFC chip 31 from powering off.
Optionally, in the embodiment of the present application, which can connect the power supply contact of SIM card, pass through shifting
Dynamic terminal 50 is the power supply of NFC chip 31.Meanwhile when SIM card is provided with independent current source, which also be can connect
The independent current source is the power supply of NFC chip 31, to guarantee that NFC chip 31 works on when mobile terminal 50 stops and powering.
Referring again to Fig. 2, in the embodiment of the present application, the Bluetooth chip 21 may include multiple digital interfaces, described
Safety element 10 and NFC module 30 can be attached by the digital interface and the Bluetooth chip 21.
Specifically, in the embodiment of the present application, the digital interface may include SPI, I2C, UART, GPIO, 7816 connect
Mouthful in any one, can specifically be selected according to the protocol requirement, any restriction not carried out to it herein.
Optionally, in the embodiment of the present application, the SIM card may include the multiple peaces being electrically connected with bluetooth module 20
Full element 10, then configures different application software, operating system or different safety class in the multiple safety element 10
Data monitoring program, to improve SIM card to the adaptability of different application scene.
Referring to Fig. 4, the embodiment of the present application also provides a kind of mobile terminal 50, which has Bluetooth function, and
And SIM card as described above is installed.
In the embodiment of the present application, the communication module 40 of the SIM card passes through 50 electricity of digital interface and the mobile terminal
Property connection, provide mobile communication service for the mobile terminal 50.Meanwhile the NFC module 30 and safety element 10 of the SIM card
It is communicated to connect by bluetooth module 20 and the mobile terminal 50, provides NFC function for the mobile terminal 50.
Specifically, in the embodiment of the present application, the communication module 40 can be whole by ISO7816 interface and the movement
End 50 is electrically connected.
Optionally, in the embodiment of the present application, the SIM card is provided with for connecting with the NFC controller of mobile terminal 50
The SWP interface connect, when the mobile terminal 50 includes NFC controller, the safety element 10 in the SIM card can be by this
NFC controller in SWP interface and mobile terminal 50 is electrically connected.When the safety element 10 detects that mobile terminal 50 has
After NFC controller, the communication channel between NFC module 30 and mobile terminal 50 can be closed by the bluetooth module 20, thus
It avoids the NFC module 30 in SIM card from generating interference to the NFC controller in mobile terminal 50, guarantees the NFC in mobile terminal 50
Controller operates normally.
In conclusion the embodiment of the present application provides a kind of SIM card and mobile terminal, wherein the SIM card includes safety member
Part, NFC module and bluetooth module, the bluetooth module are electrically connected with the safety element and NFC module respectively, constitute peace
Full element, the data communication channel of NFC module and external mobile terminal arbitrarily between the two.By provided by the embodiments of the present application
SIM card can improve the flexibility of NFC function application while providing NFC function for mobile terminal.
Embodiment described above, the only specific embodiment of the application, to illustrate the technical solution of the application, rather than
It is limited, the protection scope of the application is not limited thereto, although having carried out with reference to the foregoing embodiments to the application detailed
Illustrate, those skilled in the art should understand that: anyone skilled in the art discloses in the application
In technical scope, it can still modify to technical solution documented by previous embodiment or variation can be readily occurred in, or
Person's equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make corresponding technical solution
Essence is detached from the spirit and scope of the embodiment of the present application technical solution, should all cover within the scope of protection of this application.Therefore,
The protection scope of the application should be based on the protection scope of the described claims.
Claims (10)
1. a kind of SIM card, which is characterized in that the SIM card includes safety element, NFC module and bluetooth module；Wherein,
The safety element and the bluetooth module are electrically connected, and the bluetooth module and the NFC module are electrically connected；
Data communication channel, also, the peace are constituted by the bluetooth module between the safety element and the NFC module
Full element and the NFC module are communicated by bluetooth module realization with exterior terminal.
2. SIM card as described in claim 1, which is characterized in that the bluetooth module includes multiple digital interfaces, the number
Interface includes SPI, I2C, UART, GPIO, any one in 7816 interfaces.
3. SIM card as described in claim 1, which is characterized in that the NFC module include NFC chip and with the NFC chip
The NFC antenna of electric connection；Wherein,
The NFC antenna includes for receiving the RXP pin of the first radiofrequency signal, RXN pin and for sending the second radio frequency letter
Number TXP pin, TXN pin；
The NFC chip includes analog radio frequency front end, if demodulator, clock frequency phase restoring circuit, digital baseband circuit
And active power amplifier；
The analog radio frequency front end and the RXP pin and RXN pin are electrically connected, for carrying out to first radiofrequency signal
Enhanced processing；
The if demodulator and the analog radio frequency front end and digital baseband circuit are electrically connected, for demodulating described first
Communication data in radiofrequency signal, and the communication data is sent to the digital baseband circuit and carries out protocol processes；
The clock frequency phase restoring circuit and the analog radio frequency front end, digital baseband circuit, if demodulator and active
Power amplifier is electrically connected, and is sent to for obtaining the clock signal in first radiofrequency signal, and by the clock signal
The digital baseband circuit, if demodulator and active power amplifier；
The active power amplifier is also electrically connected with the digital baseband circuit and the TXP pin, TXN pin, is used for
Amplify the second radiofrequency signal for externally sending, and through the TXP pin, TXN pin by second radio signal transmission to institute
State NFC antenna.
4. SIM card as claimed in claim 3, which is characterized in that the NFC chip further includes non-volatile memory, institute
It states non-volatile memory and the digital baseband circuit is electrically connected.
5. SIM card as claimed in claim 3, which is characterized in that the digital baseband circuit includes GPIO interface, the number
Baseband circuit is electrically connected by the GPIO interface and the bluetooth module.
6. SIM card according to any one of claims 1 to 5, which is characterized in that the SIM card includes multiple safety elements,
The multiple safety element is electrically connected with the bluetooth module respectively.
7. a kind of mobile terminal, which is characterized in that the mobile terminal installation is just like of any of claims 1-6
SIM card；
The SIM card is connect by the bluetooth module with communication of mobile terminal, and is by the NFC module and safety element
The mobile terminal provides NFC function.
8. mobile terminal as claimed in claim 7, which is characterized in that the SIM card includes communication module, the communication module
It is electrically connected by digital interface and the mobile terminal, provides mobile communication service for the mobile terminal.
9. mobile terminal as claimed in claim 8, which is characterized in that the communication module by ISO7816 interface with it is described
Mobile terminal is electrically connected.
10. mobile terminal as claimed in claim 7, which is characterized in that the mobile terminal includes NFC controller, the peace
Full element includes SWP interface, and the NFC controller is electrically connected by the SWP interface and the safety element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821851862.5U CN208782860U (en) | 2018-11-09 | 2018-11-09 | SIM card and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821851862.5U CN208782860U (en) | 2018-11-09 | 2018-11-09 | SIM card and mobile terminal |
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| Publication Number | Publication Date |
|---|---|
| CN208782860U true CN208782860U (en) | 2019-04-23 |
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ID=66163608
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821851862.5U Active CN208782860U (en) | 2018-11-09 | 2018-11-09 | SIM card and mobile terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109194794A (en) * | 2018-11-09 | 2019-01-11 | 四川科道芯国智能技术股份有限公司 | SIM card and mobile terminal |
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2018
- 2018-11-09 CN CN201821851862.5U patent/CN208782860U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109194794A (en) * | 2018-11-09 | 2019-01-11 | 四川科道芯国智能技术股份有限公司 | SIM card and mobile terminal |
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