CN110001579A - A kind of automobile finger-print unlocking apparatus of automobile key integrated - Google Patents
A kind of automobile finger-print unlocking apparatus of automobile key integrated Download PDFInfo
- Publication number
- CN110001579A CN110001579A CN201910314364.XA CN201910314364A CN110001579A CN 110001579 A CN110001579 A CN 110001579A CN 201910314364 A CN201910314364 A CN 201910314364A CN 110001579 A CN110001579 A CN 110001579A
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- automobile
- remote
- key
- main control
- control
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- 238000004891 communication Methods 0.000 claims abstract description 12
- 230000006698 induction Effects 0.000 claims abstract description 7
- 230000010354 integration Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/25—Means to switch the anti-theft system on or off using biometry
- B60R25/252—Fingerprint recognition
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The present invention provides a kind of automobile finger-print unlocking apparatus of automobile key integrated, including fingerprint module, the first main control MCU unit；It further include automobile remote-control key circuit and CAN bus transceiver；Fingerprint module, automobile remote-control key circuit and CAN bus transceiver are connected with the first main control MCU unit, and CAN bus transceiver is connect with automobile CAN-bus port communication.The automobile remote-control key circuit includes sequentially connected second main control MCU unit, automobile remote-control key chip, RF transmitting chip, triaxial antennas.By the remote-control key circuit integration of automobile in unlocked by fingerprint device, the unlocking of remote-control key directly is realized with fingerprint identification function and shuts function, it is identical with the function of the remote-control key of automobile, without changing the control system of automotive interior, it can be used in the restructuring of automobile dispatched from the factory.Induction remote-control key is no longer needed to after fingerprint authentication, car owner, which can not have to carrying remote-control key, to be unlocked.
Description
Technical field
The present invention relates to automobile intelligent control field, in particular to the automobile finger-print of a kind of automobile key integrated, which is unlocked, to be filled
It sets.
Background technique
Currently, automobile has come into each family, automobile quantity is also greatly increased, and in the prior art, has automobile finger-print
Unlocking apparatus, such as: Publication No.: the Chinese patent of 208429054 U of CN discloses a kind of automobile finger-print tripper.It is public
The number of opening is that the Chinese patent of 207389147 U of CN discloses a kind of automobile intelligent anti-theft alarm door lock system, however above-mentioned vapour
There is also following technical problems for vehicle unlocked by fingerprint device:
Publication No.: the Chinese patent of 207389147 U of CN 208429054 U and Publication No. CN is needed to automobile certainly
The control system of body is modified, and otherwise can not achieve unlock and starting, when implementing, needs to change the control circuit of automobile,
Implement the restructuring of inconvenient, less to be suitable for having dispatched from the factory automobile.
Summary of the invention
In order to overcome the shortcomings in the background art, the automobile finger-print that the present invention provides a kind of automobile key integrated, which is unlocked, to be filled
It sets, by the remote-control key circuit integration of automobile in unlocked by fingerprint device, 1) directly remote-control key is realized with fingerprint identification function
Unlocking and shut function, it is identical with the function of the remote-control key of automobile, without changing the control system of automotive interior, energy
It is enough in the restructuring of the automobile to have dispatched from the factory；2) induction remote-control key is no longer needed to after fingerprint authentication, car owner can not have to carry distant
Control key can unlock.
In order to achieve the above object, the present invention is implemented with the following technical solutions:
A kind of automobile finger-print unlocking apparatus of automobile key integrated, including fingerprint module, the first main control MCU unit.
The invention also includes automobile remote-control key circuits and CAN bus transceiver.Fingerprint module, automobile remote-control key circuit
It is connected with the first main control MCU unit with CAN bus transceiver, CAN bus transceiver and automobile CAN-bus port communication connect
It connects.
The automobile remote-control key circuit includes sequentially connected second main control MCU unit, automobile remote-control key chip
And triaxial antennas, it further include the RF transmitting chip being connected with automobile remote-control key chip.
Further, urgency signal control mould is also connected between the automobile remote-control key chip and triaxial antennas
Quasi- switch chip, the control terminal that urgency signal controls analog switch chip connect the second main control MCU unit, signal input part connection
The output end of wherein any one axis of automobile remote-control key chip, the signal output end that urgency signal controls analog switch chip connect
It is connected to the signal input part of triaxial antennas, urgency signal control analog switch is used to disconnect the induction antenna of key, prevents key
Emergency starting in the event of a power failure.
Further, the first main control MCU unit is also connected with LIN bus transceiver, LIN bus transceiver and vapour
Vehicle LIN bus port communication connection.
Further, the first main control MCU unit is also connected with GPRS communication module and bluetooth module therein one
Kind is a variety of.
Compared with prior art, the beneficial effects of the present invention are:
1) the remote-control key circuit integration of the invention by automobile is in unlocked by fingerprint device, directly with fingerprint identification function reality
Show the unlocking of remote-control key and shuts function, it is identical with the function of the remote-control key of automobile, and without changing in automobile
The control system in portion；The restructuring for the automobile for being suitable for having dispatched from the factory simultaneously；
2) due to being integrated with remote-control key circuit, induction remote-control key is no longer needed to after fingerprint authentication, car owner can be with
It can be unlocked without carrying remote-control key；
3) urgency signal is set in remote-control key circuit and controls analog switch chip, for disconnecting the induction day of key
Line prevents key emergency starting in the event of a power failure；
4) the second main control MCU unit is connected by serial line interface with the first main control MCU unit, for realizing the second master control
MCU reads unlocked by fingerprint information from the first main control MCU, to export the signal of remote-control key switch, is used for analog telecommand key
The unlocking of spoon shuts operation；
5) CAN bus port and LIN bus port are the ports often matched in automobile, any one may be implemented in the present invention
The bus of port connects；
6) there are also GPRS communication functions by the present invention, realize long-distance radio communication and control.
Detailed description of the invention
Fig. 1 is integrated circuit structural block diagram of the invention；
Fig. 2 is the first main control MCU circuit diagram of the invention；
Fig. 3 is that fingerprint of the invention enables circuit diagram；
Fig. 4 is fingerprint module interface circuit figure of the invention；
Fig. 5 is CAN bus transceiver circuit figure of the invention；
Fig. 6 is LIN bus transceiver circuit diagram of the invention；
Fig. 7 is GPRS module circuit diagram of the invention；
Fig. 8 is SIM card circuit diagram of the invention.
Fig. 9 is bluetooth module circuit diagram of the invention；
Figure 10 is the second main control MCU element circuit figure of the invention；
Figure 11 is that key power supply of the invention enables circuit diagram；
Figure 12 is automobile remote-control key chip and RF transmitting chip circuit diagram of the invention；
Figure 13 is urgency signal control analog switch chip circuit diagram of the invention；
Figure 14 is triaxial antennas circuit diagram of the invention.
Specific embodiment
Specific embodiment provided by the invention is described in detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of automobile finger-print unlocking apparatus of automobile key integrated, including fingerprint module, the first main control MCU
Unit；It further include automobile remote-control key circuit and CAN bus transceiver；Fingerprint module, automobile remote-control key circuit and CAN bus
Transceiver is connected with the first main control MCU unit, and CAN bus transceiver is connect with automobile CAN-bus port communication.
The automobile remote-control key circuit includes sequentially connected second main control MCU unit, automobile remote-control key chip
And triaxial antennas, it further include the RF transmitting chip being connected with automobile remote-control key chip.
Further, urgency signal control mould is also connected between the automobile remote-control key chip and triaxial antennas
Quasi- switch chip, the control terminal that urgency signal controls analog switch chip connect the second main control MCU unit, signal input part connection
The output end of wherein any one axis of automobile remote-control key chip, the signal output end that urgency signal controls analog switch chip connect
It is connected to the signal input part of triaxial antennas, urgency signal control analog switch is used to disconnect the induction antenna of key, prevents key
Emergency starting in the event of a power failure.
Further, the first main control MCU unit is also connected with LIN bus transceiver, LIN bus transceiver with
Automobile LIN bus port communication connection.
Further, the first main control MCU unit is also connected with GPRS communication module and bluetooth module therein one
Kind or two kinds.
The fingerprint module is installed on automobile door handle.The first main control MCU unit, automobile remote-control key electricity
Road and CAN bus transceiver, GPRS communication module, LIN bus transceiver are mounted on integrated circuit board (PCB), and PCB can be with
It is placed in arrangements for automotive doors, car inside others position can also be placed in.
The following are specific embodiments of the present invention:
As shown in Fig. 2, being the first main control MCU embodiment circuit diagram, the first main control MCU is selected as STM32F105RBT6,
It is connected with the interface of fingerprint module (with Fig. 4 by the 51st (U4RX), 52 (U4TX), 56 (ZW_TOUCH), 57 (ZW_EN) pins
It is corresponding), wherein circuit is enabled by the fingerprint of Fig. 3 among the 57th (ZW_EN) pin and is connected with the ZW_V interface of fingerprint module,
It is MOS switch circuit that fingerprint, which enables circuit, realizes the power supply ena-bung function of fingerprint module.
In Fig. 2, the first main control MCU also passes through the 44th (CAN TXD), 45 (CAN RXD) pins be connected with Fig. 5 CAN it is total
Line transceiver, the first main control MCU also pass through the LIN bus transceiver of the 53rd (U5 TX), 54 (U5 RX) pin connection figures 6, Fig. 5
In, the 6th (CAN H) of CAN bus transceiver, 7 (CAN L) numbers pin connect automobile CAN-bus interface.In Fig. 6, LIN bus
6th (CAN H) of transceiver, 7 (CAN L) numbers pin connect automobile LIN bus interface.
In Fig. 2, the first main control MCU can pass through the 42nd (U1TX), the GPRS module of 43 (U1RX) pin connection figures 7, Fig. 7
GPRS module be GPRS SOC chip MC20,19-21 pin connection figure 8 SIM card, it is corresponding with Fig. 8.First master control
MCU can also be drawn by the 8th (TXD), 10 (U3RXD) of the 29th (U3TX), the bluetooth module of 30 (U3RX) pin connection figures 9
Foot, the bluetooth module of Fig. 9 be can secondary development Bluetooth chip NRF52832-QFAA.
Figure 10-Figure 14 is vehicle remote-control key circuit diagram, including the second main control MCU unit, key power supply enable circuit, automobile
Remote-control key chip, RF transmitting chip, urgency signal control analog switch chip and triaxial antennas.
As shown in Figure 10, the second main control MCU is selected as STM8S003F3P6, and 19 (KEY EN) number pins are key power supply
Enabled pin, the key power supply for being connected to Figure 11 enable the input terminal of circuit, and Figure 11 is metal-oxide-semiconductor switching circuit, and output end is defeated
KEY V is key power supply enable signal out, is connected to No. 1 pin of the remote-control key chip PCF7953PTTAC1800 of Figure 12
On.
In Figure 10, the second main control MCU passes through the 2nd (TXD), the U2TX and U2RX of 3 (RXD) number pins and the first main control MCU
Pin carries out serial ports connection, and unlocked by fingerprint information is read from the first main control MCU, to export the letter of output remote-control key switch
Number, for analog telecommand key unlocking or shut operation, the 16th (OUT1) of the second main control MCU and 15 (OUT2) number pins are
For analog telecommand key unlocking and shut signal, export to Figure 12 remote-control key chip PCF7953PTTAC1800 the 28th
It is corresponding with Figure 12 on No. 27 pins.
In Figure 12, remote-control key chip is PCF7953PTTAC1800, and RF transmitting chip is TDK5100F, RF transmitting chip
It is connected by the 7th (FSKDTA) number pin with remote-control key chip, X1, X2, Y1, Y2, Y3 pin of remote-control key chip in figure
For the input pin of the triaxial antennas of Figure 14, wherein X2 pin (any one pin that can be triaxial antennas) is not directly connected
Triaxial antennas, the urgency signal control analog switch chip for first passing through Figure 12 are then connected to the triaxial antennas of Figure 14.
TS5A3166DCKR is that urgency signal controls analog switch chip, the IN pin connection second of input terminal in Figure 13
No. 17 pin EMERG signal output end of main control MCU, by the X-axis of 3 axis output signals of the remote-control key chip of key circuit
Output signal X2 is first connected to the end input pin NC of urgency signal control analog switch chip, and then anxious signal control simulation is opened
The end output pin COM (X2K signal) for closing chip is connected to the X2 input terminal of triaxial antennas in Figure 14.
Above embodiments are implemented under the premise of the technical scheme of the present invention, give detailed embodiment and tool
The operating process of body, but protection scope of the present invention is not limited to the above embodiments.Method therefor is such as without spy in above-described embodiment
Not mentionleting alone bright is conventional method.
Claims (6)
1. a kind of automobile finger-print unlocking apparatus of automobile key integrated, including fingerprint module, the first main control MCU unit；
It is characterized in that, further including automobile remote-control key circuit and CAN bus transceiver；
Fingerprint module, automobile remote-control key circuit and CAN bus transceiver are connected with the first main control MCU unit, CAN bus
Transceiver is connect with automobile CAN-bus port communication；
The automobile remote-control key circuit includes sequentially connected second main control MCU unit, automobile remote-control key chip and three
Axis antenna further includes the RF transmitting chip being connected with automobile remote-control key chip.
2. a kind of automobile finger-print unlocking apparatus of automobile key integrated according to claim 1, which is characterized in that described
Automobile remote-control key chip and triaxial antennas between be also connected with urgency signal control analog switch chip, urgency signal control
The control terminal of analog switch chip connects the second main control MCU unit, and signal input part connects automobile remote-control key chip wherein
The signal output end of the output end of any one axis, urgency signal control analog switch chip is connected to the signal input of triaxial antennas
End, urgency signal control analog switch are used to disconnect the induction antenna of key, prevent key emergency starting in the event of a power failure.
3. a kind of automobile finger-print unlocking apparatus of automobile key integrated according to claim 1, which is characterized in that described
Second main control MCU unit is connected by serial line interface with the first main control MCU unit.
4. a kind of automobile finger-print unlocking apparatus of automobile key integrated according to claim 1, which is characterized in that described
First main control MCU unit is also connected with LIN bus transceiver, and LIN bus transceiver communicates company with automobile LIN bus port
It connects.
5. a kind of automobile finger-print unlocking apparatus of automobile key integrated according to claim 1, which is characterized in that described
First main control MCU unit is also connected with GPRS communication module and bluetooth module is one such or a variety of.
6. a kind of automobile finger-print unlocking apparatus of automobile key integrated according to claim 1, which is characterized in that described
Fingerprint module is installed on automobile door handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910314364.XA CN110001579A (en) | 2019-04-18 | 2019-04-18 | A kind of automobile finger-print unlocking apparatus of automobile key integrated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910314364.XA CN110001579A (en) | 2019-04-18 | 2019-04-18 | A kind of automobile finger-print unlocking apparatus of automobile key integrated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110001579A true CN110001579A (en) | 2019-07-12 |
Family
ID=67172921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910314364.XA Pending CN110001579A (en) | 2019-04-18 | 2019-04-18 | A kind of automobile finger-print unlocking apparatus of automobile key integrated |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110001579A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113689596A (en) * | 2021-08-04 | 2021-11-23 | 沈阳人与车联科技有限公司 | Automobile key device capable of distinguishing and identifying different fingerprints to realize different functions |
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| CN206186979U (en) * | 2016-11-29 | 2017-05-24 | 江苏三能动力总成有限公司 | Car anti -theft system with fingerprint unblock |
| CN107458348A (en) * | 2017-08-09 | 2017-12-12 | 郑州日晰网络科技有限公司 | A kind of automobile of automobile bracelet key and application the bracelet key |
| CN207875555U (en) * | 2017-11-10 | 2018-09-18 | 辽宁科大物联科技有限公司 | A kind of vehicle remote of automobile key integrated is unlocked and starter |
| CN208411667U (en) * | 2018-05-23 | 2019-01-22 | 上海移为通信技术股份有限公司 | Intelligent vehicle-carried remote theft-proof system |
| CN209938537U (en) * | 2019-04-18 | 2020-01-14 | 辽宁科大物联科技有限公司 | Automobile fingerprint unlocking device integrated with automobile key |
-
2019
- 2019-04-18 CN CN201910314364.XA patent/CN110001579A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206186979U (en) * | 2016-11-29 | 2017-05-24 | 江苏三能动力总成有限公司 | Car anti -theft system with fingerprint unblock |
| CN107458348A (en) * | 2017-08-09 | 2017-12-12 | 郑州日晰网络科技有限公司 | A kind of automobile of automobile bracelet key and application the bracelet key |
| CN207875555U (en) * | 2017-11-10 | 2018-09-18 | 辽宁科大物联科技有限公司 | A kind of vehicle remote of automobile key integrated is unlocked and starter |
| CN208411667U (en) * | 2018-05-23 | 2019-01-22 | 上海移为通信技术股份有限公司 | Intelligent vehicle-carried remote theft-proof system |
| CN209938537U (en) * | 2019-04-18 | 2020-01-14 | 辽宁科大物联科技有限公司 | Automobile fingerprint unlocking device integrated with automobile key |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113689596A (en) * | 2021-08-04 | 2021-11-23 | 沈阳人与车联科技有限公司 | Automobile key device capable of distinguishing and identifying different fingerprints to realize different functions |
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