CN207598024U - The NFC general automobile keys being configured and its system can be passed through - Google Patents
The NFC general automobile keys being configured and its system can be passed through Download PDFInfo
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- CN207598024U CN207598024U CN201721460212.3U CN201721460212U CN207598024U CN 207598024 U CN207598024 U CN 207598024U CN 201721460212 U CN201721460212 U CN 201721460212U CN 207598024 U CN207598024 U CN 207598024U
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- nfc
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Abstract
The utility model disclose it is a kind of can be by general automobile key and its system that NFC is configured, including key body, key body includes NFC unit and micro-control unit, and micro-control unit is connect with NFC unit；NFC unit receives the radiofrequency signal for matching certification with automobile for key body that smart mobile phone NFC module is sent, and radiofrequency signal is converted to digital signal and is sent to micro-control unit, micro-control unit receives digital signal and is written to corresponding storage location, it is configured in this way by NFC unit and the smart mobile phone with NFC function, so as to complete the certification of key and automobile, eliminate the trouble that professional radio configuration terminal is needed to carry out configuration key parameter, as long as use the smart mobile phone with NFC function, the configuration initialization apparatus of profession is not needed to, reduce the configuration difficulty of key, expand the use groups of key, and also reduce cost.
Description
Technical field
The utility model is related to arrive the technical field of automotive electronics, especially relate to be configured by NFC universal
Automobile key and its system.
Background technology
With riseing year by year for car ownership, the quantity of loss, the damage of the especially old money automobile key of automobile key
Also it is gradually increasing.At the same time, the difference and automobile burglar technology of different brands VATS Vehicle Anti-Theft System and comfort system
It constantly updates so that automobile key type is various, Various Functions, therefore the automobile key as consumptive material is to auto repair, maintenance
Market increases no small trouble.
Traditional keys can not match vehicle not of the same race using single-frequency and regular coding algorithm, cause user that must add
Big single variety stockpile number, occupies vast resources.General automobile key just solves the above problem, with a automobile key
Spoon can be adapted to different vehicles, and the key of different styles can also be adapted to the inventory for a vehicle, not only reducing market
Pressure, while also increase the alternative of car owner.
Existing general automobile key generally realizes that radio configuration is compared to the side of wired configuration by radio configuration
Formula eliminates the interface block that wired configuration needs, improves the compatibility designed during different Key structures, while do not need to dismantle
Key shell does not need to additionally connect layout line, reduces practical operation difficulty, but the initial configuration for generally requiring profession is set
It is standby, so as to improve the cost for realizing wireless key configuration.
Utility model content
The main purpose of the utility model be provide it is a kind of can by general automobile key and its system that NFC is configured,
Aim to solve the problem that existing general automobile key need to could realize that the technology that key is configured is asked by the initial configuration equipment of profession
Topic.
The utility model proposes a kind of general automobile key that can be configured by NFC, including key body；
The key body includes NFC unit and micro-control unit, and the micro-control unit connects with the NFC unit
It connects；
What the NFC unit reception smart mobile phone NFC module was sent matches certification for the key body with automobile
First radiofrequency signal, and first radiofrequency signal is converted to digital signal and is sent to the micro-control unit, the micro-control
Unit processed receives the digital signal and is written to corresponding storage location.
Further, the NFC unit includes NFC antenna module and data processing module；
The NFC module of the NFC antenna module and the smart mobile phone communicates to connect, the data processing module with it is described
NFC antenna module connects；
The NFC antenna module receives first radiofrequency signal that the NFC module is sent out and is sent to the data
Processing module；
The data processing module receives the first radiofrequency signal that the NFC antenna module is sent out, and described first is penetrated
Frequency signal is converted to digital signal and is sent to the micro-control unit.
Further, the NFC antenna module includes PCB antenna.
Further, the data processing module includes NFC chip.
Further, button and wireless remote control unit are additionally provided on the key body, on the micro-control unit
The corresponding button is provided with key circuit, and the micro-control unit receives the push button signalling of the key circuit, and output pair
The control command answered, the wireless remote control unit are connected with the micro-control unit and receive the control command, and by described in
Control command is converted to the second radiofrequency signal and is sent to automobile.
Further, the wireless remote control unit includes：
Code modulation module is connect with the micro-control unit, receives the control command of the micro-control unit, and by institute
It states control command and is converted to the second radiofrequency signal；
Wireless radio transmission module is connect with the code modulation module, receives the institute that the code modulation module is sent
The second radiofrequency signal is stated, and second radiofrequency signal is sent to automobile.
The utility model additionally provides a kind of general automobile key system that can be configured by NFC, including smart mobile phone,
Automobile and the above-mentioned general automobile key that can be configured by NFC；
The smart mobile phone includes NFC module, and the first radiofrequency signal is sent to the NFC unit by the NFC module；
Automobile includes receiving module and controlled module, and the receiving module reception wireless remote control unit, which is sent out, to be used for
The second radiofrequency signal of automobile is controlled, and controlled module is controlled to work.
It is provided by the utility model to pass through the NFC general automobile keys being configured and its system, the interior setting of key body
NFC unit, micro-control unit and wireless remote control unit are matched by NFC unit and the smart mobile phone with NFC function
It puts, so as to complete the certification of key and automobile, compared with common radio configuration general automobile key, eliminates the professional nothing of needs
Line configurating terminal carrys out the trouble of configuration key parameter, as long as key can be completed using the Smartphone device with NFC function
Configuration does not need to the configuration initialization apparatus of profession, reduces the configuration difficulty of key, expands the use groups of key, and
And cost is also reduced, while also bring the convenience of smartphone software upgrading, operation, carrying etc..
Description of the drawings
Fig. 1 is the structure diagram of general automobile key that can be configured in one embodiment of the utility model by NFC；
Fig. 2 is that the structure of general automobile key system that can be configured in one embodiment of the utility model by NFC is shown
It is intended to；
Fig. 3 is the circuit diagram of NFC unit in one embodiment of the utility model；
Fig. 4 is the circuit diagram of micro-control unit and wireless remote control unit in one embodiment of the utility model.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe.Obviously, described embodiment is only the part of the embodiment rather than whole of the utility model
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each component etc., such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description in " first ", " second " etc. involved in the utility model is only used for description purpose, without being understood that
To indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Define as a result, " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the technical side between each embodiment
Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical solution
Conflicting or can not realize when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model
Protection domain within.
It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit this
Utility model.
It is known to those skilled in the art that near-field communication (Near Field Communication, NFC) is penetrated by contactless
Frequency identification (RFID) develops, and basis is RFID and interconnection technique, is a kind of radiotechnics of short distance high frequency, is working
It is run under frequency 13.56MHz in 10 cm distances.Its transmission speed have 106Kbit/ seconds, 212Kbit/ seconds or
Three kinds of 424Kbit/ seconds.At present near-field communication by become 18092 international standards of ISO/IEC IS, ECMA-340 standards with
102 190 standards of ETSI TS.
With reference to Fig. 1-4, the general automobile key provided by the utility model that can be configured by NFC, including key body,
Key body includes NFC unit, micro-control unit and wireless remote control unit, micro-control unit respectively with NFC unit and
Wireless remote control unit connects.
The NFC module of smart mobile phone sends out the first radiofrequency signal, and first radiofrequency signal is for key body and automobile
With certification, NFC unit receives the first radiofrequency signal, and the first radiofrequency signal is converted to digital signal and is sent to microcontroller list
Member, the micro-control unit receive the digital signal and store.
Specifically, during key initial configuration, micro-control unit receives the digital signal sent by NFC unit, should
NFC module of the digital signal including smart mobile phone sends out the data for key and automobile initial configuration, and micro-control unit connects
After receiving the digital signal, different storage locations is written to according to its type, completes the initial configuration of key.
NFC unit includes NFC antenna module and data processing module.The NFC moulds of NFC antenna module and smart mobile phone
Block communicates to connect, and data processing module is connect with NFC antenna module；NFC antenna module receives the first radio frequency that NFC module is sent out
Signal, and the first radiofrequency signal is sent to data processing module；Data processing module receives first radiofrequency signal, and by
One radiofrequency signal is converted to the digital signal that micro-control unit can be read, and by the transmission digital signal to micro-control unit.
In the present embodiment, PCB antenna or external antenna may be used to realize the first radiofrequency signal in NFC antenna module
Transmitting-receiving, center resonant frequency 13.56MHz, PCB antenna have the characteristics that convenient for production, consistency is good.Smart mobile phone can be adopted
With the common cell phone with NFC function, for example, the Android smartphone with NFC function, version are
Android5.1。
By setting configuration of automobiles parameter on the smart mobile phone, and pass through the NFC module in smart mobile phone by the automobile
Configuration parameter is converted to the first radiofrequency signal and is sent to key body, for example, being provided with special configuration automobile on smart mobile phone
The software of key, the software have the database of a variety of different automobile parameters, and user can be selected when in use according to vehicle
It selects, by setting corresponding automobile parameter, and the parameter is sent to the NFC module in cell phone, then converted by NFC module
Key body is sent into the first radiofrequency signal, so as to be communicatively coupled with above-mentioned key.
In the present embodiment, data processing module includes NFC chip, which uses the FM11NC08 of Fudan University's microelectronics,
Support ISO/IEC14443-A agreements, and the transmission rate of non-contact port can reach 848Kbps, built-in 8Kbit
E2PROM can realize that real-time or non real-time data of the micro-control unit (MCU) between cell phone are handed over by SPI protocol
It changes.As shown in figure 3, Ant is PCB antenna, Ant and capacitance C1 is connected in parallel in IN1 ends (pin 4) and the IN2 of NFC chip U1
Between holding (pin 5), for adjusting resonant frequency so that resonant frequency remains 13.56MHz, ensures Antenna Operation best
State, wherein, the VCC ends (pin 1) of NFC chip U1 are connect with button cell anode, and VOUT ends (pin 2) and IRQ ends (are drawn
Foot 10) it is not connected to, GND ends (pin 5) is connect with button cell cathode, SSN ends (pin 6), SCLK ends (pin 7), MOSI
End (pin 8) and MISO ends (pin 9) and CSN ends, SCK ends, MOSI ends, the MISO ends of micro-control unit are correspondingly connected with.
Further, wireless remote control unit includes code modulation module and wireless radio transmission module, coded modulation mould
Block is connect respectively with micro-control unit and wireless radio transmission module, and receives the control command of micro-control unit, this is controlled
System order is converted to the second radiofrequency signal；Wireless radio transmission module receives the second radiofrequency signal that code modulation module is sent,
And the second radiofrequency signal is sent to automobile, automobile to be allowed to complete corresponding order.Wherein, code modulation module can be compatible with branch
Both modulation systems of OOK and FSK are held, a variety of different automobile keys are adapted to this, wireless radio transmission module can be compatible with
Multiple UHF auto communications frequency ranges, while can also be achieved that output power is adjustable, antenna self-adaptive tuning, various differences are adapted to this
Automobile key.
Button is additionally provided on key body, button is corresponded on micro-control unit and is provided with key circuit, and pass through button
Circuit output push button signalling, micro-control unit export control command, wireless remote control unit and micro-control unit according to push button signalling
It is connected and receives control command, and control command is converted to the second radiofrequency signal.Second radiofrequency signal is used for order automobile
Perform corresponding work.
LED light is additionally provided on key body, key is used to indicate and is worked and operating mode.
In the present embodiment, micro-control unit and wireless remote control unit are realized using circuit as shown in Figure 4, wherein wrapping
Wireless remote control chip U2, PCB electricity small loop antenna and memory are included, wireless remote control chip U2 uses SI4010 chips, wireless remote
Controlling chip U2 has pin 1-14, and wherein vdd terminal (pin 6) connection button cell anode, PCB electricity small loop antenna is gone here and there with capacitance C3
Connection, and be connected in parallel respectively with capacitance C2 and the inductance coil L2 to connect, inductance coil L3, and be connected to wireless remote control chip
The TXM ends (pin 4) of U2 and TXP ends (pin 5), GND ends (pin 3) connection button cell is negative in wireless remote control chip U2
Pole, LED ends (pin 9) connection LED light, remaining pin are connect respectively with key circuit and memory.
Wherein, the tranmitting frequency of the telecontrol antenna circuit ranging from 27-960MHz, it is preferable that tranmitting frequency range can be with
For 300-450MHz, wherein, most preferably 315MHz or 433.92MHz.Maximum Power Output is 10dBm, the power adjustable, modulation
Mode supports OOK and FSK can configure, and transmission rate can reach 100kBand.Transmitting antenna is PCB electricity small loop antennas, above-mentioned
Inductance coil L2, inductance coil L3, capacitance C2, the cooperation of capacitance C3 and PCB electricity small loop antenna complete impedance matching, while cooperate with nothing
0~10pF adjustable output capacitances are tuned automatically with completing broadband range internal antenna inside line remote-controlled chip, it is ensured that defeated in broadband
Go out power better than 5dBm.
As shown in Fig. 2, a kind of general automobile key system that can be configured by NFC that the utility model also provides, packet
Include smart mobile phone, automobile and the above-mentioned general automobile key that can be configured by NFC.
Smart mobile phone includes NFC module, and the first radiofrequency signal is sent to NFC unit by NFC module, which can be with
For the smart mobile phone with NFC function, by setting configuration of automobiles parameter on the smart mobile phone, and pass through in smart mobile phone
The configuration of automobiles parameter is converted to the first radiofrequency signal and is sent to key body by NFC module.
After key body receives first radiofrequency signal, which is converted to the number letter that can be read
Number, digital signal includes the data of configuration of automobiles parameter, and according to the type of the data, micro-control unit in key body is by number
Word signal is written to different storage locations, you can completes the initial configuration of key.
Automobile includes receiving module and controlled module, for automobile to be made to perform the control command that key is sent out, receives mould
Block reception wireless remote control unit sends out the second radiofrequency signal for controlling automobile, and controlled module is controlled to work, so as to
So that automobile performs corresponding order behavior.
In conclusion provided by the utility model can pass through the NFC general automobile keys being configured and its system, key sheet
Setting NFC unit, micro-control unit and wireless remote control unit in vivo, pass through NFC unit and the smart mobile phone with NFC function
It is configured, so as to complete the certification of key and automobile, compared with common radio configuration general automobile key, eliminates needs
Professional radio configuration terminal carrys out the trouble of configuration key parameter, as long as using the Smartphone device with NFC function, no
The configuration initialization apparatus of profession is needed, reduces the configuration difficulty of key, expands the use groups of key, and reduce
Cost, while also bring smartphone software upgrading, operation, the convenience carried etc..
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Every equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is directly or indirectly transported
Used in other related technical areas, it is equally included in the patent within the scope of the utility model.
Claims (7)
1. a kind of general automobile key that can be configured by NFC, which is characterized in that including key body；
The key body includes NFC unit and micro-control unit, and the micro-control unit is connect with the NFC unit；
What the NFC unit reception smart mobile phone NFC module was sent matches the first of certification with automobile for the key body
Radiofrequency signal, and first radiofrequency signal is converted to digital signal and is sent to the micro-control unit, the microcontroller list
Member receives the digital signal and is written to corresponding storage location.
2. the general automobile key that can be configured as described in claim 1 by NFC, which is characterized in that the NFC unit packet
Include NFC antenna module and data processing module；
The NFC antenna module and the NFC module of the smart mobile phone communicate to connect, the data processing module and the NFC
Anneta module connects；
The NFC antenna module receives first radiofrequency signal that the NFC module is sent out and is sent to the data processing
Module；
The data processing module receives the first radiofrequency signal that the NFC antenna module is sent out, and first radio frequency is believed
Number being converted to digital signal is sent to the micro-control unit.
3. the general automobile key that can be configured as claimed in claim 2 by NFC, which is characterized in that the NFC antenna mould
Block includes PCB antenna.
4. the general automobile key that can be configured as claimed in claim 2 by NFC, which is characterized in that the data processing
Module includes NFC chip.
5. the general automobile key that can be configured as described in claim 1 by NFC, which is characterized in that the key body
On be additionally provided with button and wireless remote control unit, the button is corresponded on the micro-control unit and is provided with key circuit, institute
It states micro-control unit and receives the push button signalling of the key circuit, and export corresponding control command, the wireless remote control unit
It is connected with the micro-control unit and receives the control command, and the control command is converted to the second radiofrequency signal and is sent
To automobile.
6. the general automobile key that can be configured as claimed in claim 5 by NFC, which is characterized in that the wireless remote control
Unit includes：
Code modulation module is connect with the micro-control unit, receives the control command of the micro-control unit, and by the control
System order is converted to the second radiofrequency signal；
Wireless radio transmission module is connect with the code modulation module, receive that the code modulation module sends described the
Two radiofrequency signals, and second radiofrequency signal is sent to automobile.
7. it is a kind of can pass through NFC configuration general automobile key system, which is characterized in that including smart mobile phone, automobile and
The general automobile key that can be configured such as claim 5 to 6 any one of them by NFC；
The smart mobile phone includes NFC module, and the first radiofrequency signal is sent to the NFC unit by the NFC module；
Automobile includes receiving module and controlled module, and the receiving module receives the wireless remote control unit and sends out to control
Second radiofrequency signal of automobile, and controlled module is controlled to work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460212.3U CN207598024U (en) | 2017-11-06 | 2017-11-06 | The NFC general automobile keys being configured and its system can be passed through |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460212.3U CN207598024U (en) | 2017-11-06 | 2017-11-06 | The NFC general automobile keys being configured and its system can be passed through |
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| Publication Number | Publication Date |
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| CN207598024U true CN207598024U (en) | 2018-07-10 |
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ID=62758764
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721460212.3U Active CN207598024U (en) | 2017-11-06 | 2017-11-06 | The NFC general automobile keys being configured and its system can be passed through |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108901009A (en) * | 2018-07-17 | 2018-11-27 | 珠海格力电器股份有限公司 | Data interactive method, device and system |
| CN109712282A (en) * | 2018-12-18 | 2019-05-03 | 中国电子科技集团公司第十五研究所 | A kind of electronic lock configuration management hand-held set and its application method |
| CN111986360A (en) * | 2020-09-03 | 2020-11-24 | 硕能(上海)自动化科技有限公司 | Intelligent well lid monitoring system based on Internet of things architecture |
| CN113436369A (en) * | 2021-06-22 | 2021-09-24 | 远峰科技股份有限公司 | Intelligent vehicle remote controller and vehicle control method |
| CN114038094A (en) * | 2021-11-05 | 2022-02-11 | 上海酉擎物联技术有限公司 | Method for realizing NFC card standby key based on CCC application |
-
2017
- 2017-11-06 CN CN201721460212.3U patent/CN207598024U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108901009A (en) * | 2018-07-17 | 2018-11-27 | 珠海格力电器股份有限公司 | Data interactive method, device and system |
| CN109712282A (en) * | 2018-12-18 | 2019-05-03 | 中国电子科技集团公司第十五研究所 | A kind of electronic lock configuration management hand-held set and its application method |
| CN111986360A (en) * | 2020-09-03 | 2020-11-24 | 硕能(上海)自动化科技有限公司 | Intelligent well lid monitoring system based on Internet of things architecture |
| CN113436369A (en) * | 2021-06-22 | 2021-09-24 | 远峰科技股份有限公司 | Intelligent vehicle remote controller and vehicle control method |
| CN114038094A (en) * | 2021-11-05 | 2022-02-11 | 上海酉擎物联技术有限公司 | Method for realizing NFC card standby key based on CCC application |
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