CN106740687A - A kind of fingerprint recognition unlocking apparatus and its unlocking automobiles method for automobile - Google Patents
A kind of fingerprint recognition unlocking apparatus and its unlocking automobiles method for automobile Download PDFInfo
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- CN106740687A CN106740687A CN201710151177.5A CN201710151177A CN106740687A CN 106740687 A CN106740687 A CN 106740687A CN 201710151177 A CN201710151177 A CN 201710151177A CN 106740687 A CN106740687 A CN 106740687A
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Classifications
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- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00563—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys using personal physical data of the operator, e.g. finger prints, retinal images, voicepatterns
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Lock And Its Accessories (AREA)
- Image Input (AREA)
Abstract
It is a kind of fingerprint recognition unlocking apparatus and its unlocking automobiles method for automobile the present invention relates to the technical field of automobile burglar, including：Finger print acquisition module, for reading fingerprint, take the fingerprint feature, obtains the image information of fingerprint as finger print information, and finger print information is converted into digital quantity from analog quantity；Identification module, for being identified comparing to finger print information, after judging whether that unblock, judgement are finished, produces identification to complete signal；Including wireless transmitter module, wireless receiving module, control module and drive module.Without key unlocking, being recognized by fingerprint collecting to unlock for present invention realization, increase the reliability of automobile burglar, facilitate unlocking automobiles, reduce key loss or forget situation about can not be unlocked to automobile after carrying.Fingerprint recognition ensure that the legitimacy of user, reduces lawless person and steals after key the situation about stealing that to automobile unlock and occurs.
Description
Technical field
The present invention relates to the technical field of automobile burglar, specifically a kind of fingerprint recognition unlocking apparatus for automobile and its
Unlocking automobiles method.
Background technology
As economic continues to develop, more and more people select automobiles as the walking-replacing tool of daily life.And with
The recoverable amount of automobile is continuously increased, and the theft problem of automobile is also gradually severe.Common automobile burglar mode mainly passes through key
Or extra addition lock carry out it is antitheft, but easily by copied key, cut lock etc. so that anti-theft effect fails；With technology
Progress, automobile is carried out antitheft by the wireless key of intelligence, i.e., automobile can only be unlocked by legal wireless key,
But wireless signal is intercepted by air interference device or wireless sensor easily, so as to crack wireless signal, is realized out
Lock is stolen；In addition, being unlocked to automobile every time, carrying keys or wireless key are required for, when key or wireless key
Lose or forget after carrying, unlocking action cannot be realized, bring inconvenience.
The content of the invention
In order to overcome shortcoming and defect present in prior art, it is an object of the invention to provide a kind of for automobile
Fingerprint recognition unlocking apparatus and its unlocking automobiles method, realize that without key unlocking, being recognized by fingerprint collecting to unlock, and increase
Plus the reliability of automobile burglar, facilitate unlocking automobiles, reduce key loss or automobile can not be unlocked after forgeing carrying
Situation.Fingerprint recognition ensure that the legitimacy of user simultaneously, reduces after lawless person steals key and automobile is unlocked
Situation about stealing occurs.
Technical scheme is as follows：A kind of fingerprint recognition unlocking apparatus for automobile, including：Fingerprint collecting mould
Block, for reading fingerprint, take the fingerprint feature, obtains the image information of fingerprint as finger print information, and by finger print information from mould
Analog quantity is converted to digital quantity；Identification module, for being identified comparing to finger print information, judges whether unblock, when identification is compared
It is correct afterwards, then can unlock, mistake after comparison is recognized cannot then be unlocked, and after judgement is finished, produce identification to complete signal；
Wireless transmitter module, signal is completed for sending identification；Wireless receiving module, signal is completed for receiving identification；Control module,
For completing signal according to identification control signal is sent to drive module；Drive module, for receiving control signal and carrying out reality
Apply driving operation；The finger print acquisition module is coupled with identification module, and the identification module is coupled with wireless transmitter module, described
Wireless transmitter module is connected with wireless receiving module wireless telecommunications, and the wireless receiving module is coupled with control module, the control
Molding block is coupled with drive module.
Further, the identification module includes identification chip, and the identification chip includes pin PA4, pin PA5, pipe
Pin PA6, pin PA7, pin PB2 and pin PB10, the pin PA4 and terminals S_SO coupling, the pin PA5 with connect
Line end S_CS is coupled, and the pin PA6 and terminals S_CLK is coupled, and the pin PA7 and terminals S_SI is coupled, the pipe
Pin PB2 and terminals S_INT is coupled, and the pin PB10 and terminals S_EN is coupled；The identification chip include pin PB12,
Pin PB13, pin PB14 and pin PB15, the pin PB12 and terminals T_SI coupling, the pin PB13 and wiring
End T_CS couplings, the pin PB14 and terminals T_CLK is coupled, and the pin PB15 and terminals T_SO is coupled；The knowledge
Other chip is coupled including pin PA9, pin PA9 and terminals K_INT.
Further, the finger print acquisition module includes fingerprint sensor circuit and touches IC circuits, and the fingerprint is passed
Sensor circuit and touch IC circuits are coupled with identification module respectively；The fingerprint sensor circuit includes fingerprint sensor core
Piece, the fingerprint sensor chip includes pin CLKO, pin MOD, pin GIO, pin MISO, pin MOSI and pin
CS_, the pin CLKO and terminals S_CLK are coupled, and the pin MOD and terminals S_INT are coupled, the pin GIO with
Terminals S_EN is coupled, and the pin MISO and terminals S_SO is coupled, and the pin MOSI and terminals S_SI is coupled, described
Pin CS_ and terminals S_CS is coupled；The touch IC circuits include touching IC chip and voltage stabilizing chip, the touch IC cores
Piece is coupled with voltage stabilizing chip, and the touch IC chip includes pin OUT, and the voltage stabilizing chip includes pin EN, the pin OUT
With terminals K_INT couplings, the pin EN and terminals V_EN couplings.
Further, the wireless transmitter module include wireless transmission chip, the wireless transmission chip include pin SI,
Pin SCLK, pin SO (G1), pin CS, the pin SI and terminals T_SI coupling, the pin SCLK and terminals T_
CLK is coupled, and the pin SO (G1) couples with terminals T_SO, and the pin CS and terminals T_CS is coupled, the pin OUT
Coupled with terminals K_INT；The wireless transmission chip include pin RF_N and pin RF_P, the pin RF_N by with
It is grounded after electric capacity C1 couplings, one end of the pin RF_N and inductance L1 couples, the other end of the inductance L1 is with inductance L3's
One end couples；One end of the pin RF_P and inductance L2 couples, and the other end of the inductance L2 with electric capacity C11 after coupling
Ground connection, one end of the pin RF_P and electric capacity C12 is coupled, and the other end of the electric capacity C12 is coupled with one end of inductance L3, institute
The other end for stating inductance L3 is grounded after being coupled with electric capacity C13, and the other end of the inductance L3 is coupled with one end of inductance L4,
The other end of inductance L4 ground connection after being coupled with electric capacity C14, the other end of the inductance L4 and one end coupling of electric capacity C2
Connect, the other end of the electric capacity C2 is coupled with antenna A1；The wireless receiving module is provided with wireless receiving chip.
Further, including power module, power module is provided with battery installation place, the positive pole of the battery installation place with
VCC is coupled, and the battery installation place is parallel with electric capacity C3 and electric capacity C4, the negative pole ground connection of the battery installation place.
Further, the finger print acquisition module includes fingerprint acquisition device, and fingerprint acquisition device is provided with support, in support
Cover plate is fixed with, the fingerprint sensor circuit is arranged at cover plate lower end, and the touch IC circuits are arranged at fingerprint sensor electricity
Road lower end.
Further, the drive module is coupled with OBD modules, and the OBD modules are coupled with automobile OBD skewers head.
A kind of unlocking automobiles method, comprises the following steps：
S1：Finger fingertip presses on finger print acquisition module；
S2：Fingerprint is read, take the fingerprint feature；
S3：Obtain fingerprint image；
S4：Fingerprint recognition comparison is carried out, if comparison result is correct, is unlocked；If comparison result mistake, does not unlock, need
Again to be pressed with finger fingertip；
S5：If unlocking successfully, control signal is sent to drive module by control module, realizing unlocking triggering drives, shuts
Driving that triggering drives, flashing light triggering drives and loudspeaker pipe.
Beneficial effects of the present invention：Realize that, without key unlocking, being recognized by fingerprint collecting to unlock, increase automobile and prevent
The reliability of robber, facilitates unlocking automobiles, reduces key loss or forgets situation about can not be unlocked to automobile after carrying.Together
When fingerprint recognition ensure that the legitimacy of user, reduce lawless person and steal and automobile unlock after key situation about stealing
Occur.
Brief description of the drawings
Fig. 1 is block flow diagram of the invention.
Fig. 2 is the circuit diagram of identification module of the present invention.
Fig. 3 is the circuit diagram of finger print acquisition module of the present invention.
Fig. 4 is the circuit diagram of wireless transmitter module of the present invention.
Fig. 5 is the circuit diagram of power module of the present invention.
Fig. 6 is the structural representation of fingerprint acquisition device of the present invention.
Fig. 7 is the schematic view of the mounting position of fingerprint acquisition device of the present invention.
Fig. 8 is another schematic view of the mounting position of fingerprint acquisition device of the present invention.
Fig. 9 is flow chart of steps of the invention.
Reference：
1- identification modules；2- finger print acquisition modules；201- fingerprint sensor circuits；202- touches IC circuits；3- wireless transmission moulds
Block；4- power modules；401- batteries installation place；5- fingerprint acquisition devices；501- supports；502- cover plates.
Specific embodiment
The invention will be further described with the following Examples.
A kind of fingerprint recognition unlocking apparatus for automobile, including：Finger print acquisition module 2, for reading fingerprint, extraction refers to
Line feature, obtains the image information of fingerprint as finger print information, and finger print information is converted into digital quantity from analog quantity；Identification mould
Block 1, for being identified comparing to finger print information, judges whether unblock, correct after comparison is recognized, then can unlock, and works as knowledge
Not Bi Dui after mistake, then cannot unlock, judgement finish after, produce identification complete signal；Wireless transmitter module 3, for sending
Identification completes signal；Wireless receiving module, signal is completed for receiving identification；Control module, for completing signal according to identification
Control signal is sent to drive module；Drive module, for receiving control signal and carrying out implementing to drive operation；The fingerprint is adopted
Collection module 2 is coupled with identification module 1, and the identification module 1 is coupled with wireless transmitter module 3, the wireless transmitter module 3 and nothing
Line receiver module wireless telecommunications connection, the wireless receiving module and control module coupling, the control module and drive module
Coupling.As shown in figure 1, operation principle is：Finger print acquisition module 2 is pressed on by finger fingertip so that fingerprint and fingerprint collecting
Module 2 is contacted, and now finger print acquisition module 2 reads fingerprint, and take the fingerprint feature, and the image information for obtaining fingerprint is believed as fingerprint
Breath, because fingerprint is generally analog quantity, is then converted to digital quantity by finger print acquisition module 2 by analog quantity.Afterwards by identification
Module 1 carries out fingerprint recognition comparison, i.e., finger print information and the fingerprint for saving are entered with reference to information by algorithm for recognizing fingerprint
Row is compared, and when comparison result meets, as authentication is correct, can unlock.When comparison result does not meet, as authentication
Mistake, it is not possible to unlock.After the completion of identification, then by wireless transmitter module 3, identification is completed into signal and is transmitted into control mould
Block, the control module receives identification completion information by wireless receiving module, and when authentication is correct, i.e. control module can be with
By sending control signals to drive module, each function, the drive module is driven to include unlocking and touch by drive module
Hair drives, shut that triggering drives, flashing light triggering drives and loudspeaker pipe driving.The triggering of unlocking drives and shuts tactile
Hair drives to be used for after authentication is correct, and the control that car door is unlocked or car door shuts can be realized to automobile.The flashing light
Triggering drives, and for reminding current automobile to be in what state by flashing light, is such as once expressed as shape of having unlocked by flashing light
State, or be expressed as having shut state for three times by flashing light.The loudspeaker pipe and drive for realizing what is reminded by piping
Effect.
In the present embodiment, the identification module 1 include identification chip, the identification chip include pin PA4, pin PA5,
Pin PA6, pin PA7, pin PB2 and pin PB10, the pin PA4 and terminals S_SO coupling, the pin PA5 with
Terminals S_CS is coupled, and the pin PA6 and terminals S_CLK is coupled, and the pin PA7 and terminals S_SI is coupled, described
Pin PB2 and terminals S_INT is coupled, and the pin PB10 and terminals S_EN is coupled；The identification chip includes pin
PB12, pin PB13, pin PB14 and pin PB15, the pin PB12 and terminals T_SI coupling, the pin PB13
With terminals T_CS couplings, the pin PB14 and terminals T_CLK couplings, the pin PB15 and terminals T_SO couplings；
The identification chip is coupled including pin PA9, pin PA9 and terminals K_INT.As shown in Fig. 2 the identification chip is U2,
The model 32F205 of U2.The identification chip is used for the fingerprint reference of the finger print information and preservation in identification chip that will be collected
Amount is compared, and by screening image, when result is matching, then can realize unblock operation, when result is to mismatch, then can not
To unlock.
The identification chip can be by pin PA4, pin PA5, pin PA6, pin PA7, pin PB2 and pin
PB10 respectively with terminals S_SO, terminals S_CS, terminals S_CLK, terminals S_SI, terminals S_INT and terminals
S_EN is coupled, and is acquired control to finger print acquisition module 2 and is realized the data transfer of finger print information.The identification chip can
With by pin PB12, pin PB13, pin PB14 and pin PB15 and terminals T_SI, terminals T_CS, terminals T_
CLK and terminals T_SO is coupled, for communicating wirelessly control to wireless transmitter module 3 and realizing the number of finger print information
According to transmission.The identification chip can be coupled by pin PA9 and terminals K_INT, realize that the finger print acquisition module 2 will be adopted
The fingerprint analog quantity for collecting is converted to digital quantity, and is sent to identification chip.The identification chip is by pin PA0 and luminous two
The positive pole coupling of pole pipe LED, the negative pole ground connection of the LED, for playing reminding effect by luminous signal, institute
State and resistance R3 is coupled between pin PA0 and LED, play a part of current limliting partial pressure.The LED
It is blueness.
In the present embodiment, the finger print acquisition module 2 includes fingerprint sensor circuit 201 and touches IC circuits 202, institute
State fingerprint sensor circuit 201 and touch IC circuits 202 and coupled with identification module 1 respectively；The fingerprint sensor circuit 201
Including fingerprint sensor chip, the fingerprint sensor chip includes pin CLKO, pin MOD, pin GIO, pin MISO, pipe
Pin MOSI and pin CS_, the pin CLKO and terminals S_CLK are coupled, and the pin MOD and terminals S_INT is coupled,
The pin GIO and terminals S_EN couplings, the pin MISO and terminals S_SO couplings, the pin MOSI and terminals
S_SI is coupled, and the pin CS_ and terminals S_CS is coupled；The touch IC circuits 202 include touching IC chip and voltage stabilizing
Chip, the touch IC chip is coupled with voltage stabilizing chip, and the touch IC chip includes pin OUT, and the voltage stabilizing chip includes
Pin EN, the pin OUT and terminals K_INT are coupled, and the pin EN and terminals V_EN is coupled.As shown in figure 3, described
Fingerprint sensor circuit 201 specifically uses capacitive fingerprint sensor.Capacitive fingerprint sensor is used to determine whether that finger is pressed
Carry out fingerprint recognition and the transmission of data message is carried out with identification chip, the fingerprint sensor chip is U4, the model of U4
It is Sensor6121, operation principle is：When capacitive fingerprint sensor is judged currently without fingertip depression, then in sleep state；
When capacitive fingerprint sensor judges currently there is fingertip depression, then in detection pattern, now by capacitive fingerprint sensor opponent
Refer to that fingerprint is read out, taken the fingerprint feature, and the analog quantity of fingerprint is converted into digital quantity, as finger print information, will then be referred to
Line information is sent to identification chip.As shown in figure 3, the touch IC circuits 202 include touching IC chip, touching IC chip is
The model 9801B of U5, U5.The touch IC chip is used to be powered control to finger print acquisition module 2, plays reduction power consumption
Effect.Specially：When capacitive fingerprint sensor has sensed fingertip depression, IC chip output high level is touched, make power supply mould
Block 4 is powered to finger print acquisition module 2.As shown in figure 3, the identification chip is coupled by pin PA12 and terminals V_EN, use
It is controlled in voltage stabilizing chip, the voltage stabilizing chip is U3, the model SPX3819 of U3.For being carried out surely to supply voltage
Fixed conversion.Supply voltage needed for providing.
In the present embodiment, the wireless transmitter module 3 includes wireless transmission chip, and the wireless transmission chip includes pin
SI, pin SCLK, pin SO (G1), pin CS, the pin SI and terminals T_SI coupling, the pin SCLK and terminals
T_CLK is coupled, and the pin SO (G1) couples with terminals T_SO, and the pin CS and terminals T_CS is coupled, the pin
OUT and terminals K_INT is coupled；The wireless transmission chip includes that pin RF_N and pin RF_P, the pin RF_N are logical
Cross and be grounded with after electric capacity C1 couplings, one end of the pin RF_N and inductance L1 couples, the other end and inductance of the inductance L1
One end coupling of L3；One end of the pin RF_P and inductance L2 couple, the other end of the inductance L2 by with electric capacity C11 couplings
Ground connection after connecing, one end coupling of the pin RF_P and electric capacity C12, the other end of the electric capacity C12 and one end coupling of inductance L3
Connect, the other end of the inductance L3 is grounded after being coupled with electric capacity C13, the other end of the inductance L3 and one end of inductance L4
Coupling, the other end of the inductance L4 is grounded after being coupled with electric capacity C14, the other end of the inductance L4 and the one of electric capacity C2
End coupling, the other end of the electric capacity C2 is coupled with antenna A1；The wireless receiving module is provided with wireless receiving chip.Such as Fig. 4
Shown, the wireless transmission chip is U1, the model CC115L of U1.The terminals T_SI, terminals T_CLK, terminals
T_CS and terminals K_INT can will recognize core for realizing the data transfer between wireless transmission chip and identification chip
The signal of piece output is exported by the pin RF_N and pin RF_P of wireless transmission chip, is sent out by antenna A1, real
Existing wireless telecommunications.The model CC113 (not marked in accompanying drawing) of the wireless receiving chip.Sent for reception antenna A1
Signal, is transferred to control module, and realization is controlled to drive module.The drive module includes driving chip, driving chip
Model G2553.
In the present embodiment, including power module 4, power module 4 is provided with battery installation place 401, the battery installation place 401
Positive pole and VCC couple, the battery installation place 401 is parallel with electric capacity C3 and electric capacity C4, the battery installation place 401 it is negative
Pole is grounded.As shown in figure 5, shown power module 4 is powered for providing power supply, the battery installation place 401 uses button cell.
In the present embodiment, the finger print acquisition module 2 includes fingerprint acquisition device 5, and fingerprint acquisition device 5 is provided with support
501, cover plate 502 is fixed with support 501, the fingerprint sensor circuit 201 is arranged at the lower end of cover plate 502, the touch IC
Circuit 202 is arranged at the lower end of fingerprint sensor circuit 201.As shown in fig. 6, the support 501 is metallic support 501 so that knot
Structure is firm, difficult for drop-off.The cover plate 502 is made up of sapphire, and the fingerprint acquisition device 5 is arranged at the one of automobile door handle
End, as shown in Figure 7, Figure 8, the fingerprint acquisition device 5 is arranged at the top of door handle or the front portion of door handle, is easy to implement
Fingerprint push action.
In the present embodiment, the drive module is coupled with OBD modules, and the OBD modules are coupled with automobile OBD skewers head.Institute
State OBD modules not draw in the accompanying drawings, the OBD modules are used to realize carrying out data transmission with automobile original system, reduce
The quantity of wire harness and interface.
A kind of unlocking automobiles method, as shown in figure 9, comprising the following steps：
S1：Finger fingertip presses on finger print acquisition module；
S2：Fingerprint is read, take the fingerprint feature；
S3：Obtain fingerprint image；
S4：Fingerprint recognition comparison is carried out, if comparison result is correct, is unlocked；If comparison result mistake, does not unlock, need
Again to be pressed with finger fingertip；
S5：If unlocking successfully, control signal is sent to drive module by control module, realizing unlocking triggering drives, shuts
Driving that triggering drives, flashing light triggering drives and loudspeaker pipe.
The present invention realizes that without key unlocking, being recognized by fingerprint collecting to unlock, and increase the reliability of automobile burglar,
Facilitate unlocking automobiles, reduce key loss or forget situation about can not be unlocked to automobile after carrying.While fingerprint recognition
Ensure that the legitimacy of user, reduce lawless person and steal after key the situation about stealing that to automobile unlock and occur.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of scope is protected, although being explained to the present invention with reference to preferred embodiment, one of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent, without deviating from the reality of technical solution of the present invention
Matter and scope.
Claims (8)
1. a kind of fingerprint recognition unlocking apparatus for automobile, it is characterised in that：Including：
Finger print acquisition module, for reading fingerprint, take the fingerprint feature, obtains the image information of fingerprint as finger print information, and
Finger print information is converted into digital quantity from analog quantity；
Identification module, for being identified comparing to finger print information, judges whether unblock, when recognize compare after it is correct, then can be with
Unblock, mistake after comparison is recognized, then cannot unlock, and after judgement is finished, produce identification to complete signal；
Wireless transmitter module, signal is completed for sending identification；
Wireless receiving module, signal is completed for receiving identification；
Control module, control signal is sent for completing signal according to identification to drive module；
Drive module, for receiving control signal and carrying out implementing to drive operation；
The finger print acquisition module is coupled with identification module, and the identification module is coupled with wireless transmitter module, the wireless hair
Penetrate module to be connected with wireless receiving module wireless telecommunications, the wireless receiving module is coupled with control module, the control module
Coupled with drive module.
2. a kind of fingerprint recognition unlocking apparatus for automobile according to claim 1, it is characterised in that：The identification mould
Block includes identification chip, and the identification chip includes pin PA4, pin PA5, pin PA6, pin PA7, pin PB2 and pipe
Pin PB10, the pin PA4 and terminals S_SO are coupled, and the pin PA5 and terminals S_CS are coupled, the pin PA6 with
Terminals S_CLK is coupled, and the pin PA7 and terminals S_SI is coupled, and the pin PB2 and terminals S_INT is coupled, described
Pin PB10 and terminals S_EN is coupled；The identification chip includes pin PB12, pin PB13, pin PB14 and pin
PB15, the pin PB12 and terminals T_SI are coupled, and the pin PB13 and terminals T_CS are coupled, the pin PB14 with
Terminals T_CLK is coupled, and the pin PB15 and terminals T_SO is coupled；The identification chip includes pin PA9, pin PA9
Coupled with terminals K_INT.
3. a kind of fingerprint recognition unlocking apparatus for automobile according to claim 2, it is characterised in that：The fingerprint is adopted
Collection module includes fingerprint sensor circuit and touches IC circuits, the fingerprint sensor circuit and touch IC circuits respectively with
Identification module is coupled；The fingerprint sensor circuit includes fingerprint sensor chip, and the fingerprint sensor chip includes pin
CLKO, pin MOD, pin GIO, pin MISO, pin MOSI and pin CS_, the pin CLKO and terminals S_CLK couplings
Connect, the pin MOD and terminals S_INT are coupled, the pin GIO and terminals S_EN is coupled, the pin MISO with connect
Line end S_SO is coupled, and the pin MOSI and terminals S_SI is coupled, and the pin CS_ and terminals S_CS is coupled；It is described to touch
Touching IC circuits includes touching IC chip and voltage stabilizing chip, and the touch IC chip is coupled with voltage stabilizing chip, the touch IC cores
Piece includes pin OUT, and the voltage stabilizing chip is coupled including pin EN, the pin OUT and terminals K_INT, the pin EN
Coupled with terminals V_EN.
4. a kind of fingerprint recognition unlocking apparatus for automobile according to claim 2, it is characterised in that：The wireless hair
Penetrating module includes wireless transmission chip, and the wireless transmission chip includes pin SI, pin SCLK, pin SO (G1), pin CS,
The pin SI and terminals T_SI couplings, the pin SCLK and terminals T_CLK couplings, the pin SO (G1) and wiring
End T_SO couplings, the pin CS and terminals T_CS is coupled, and the pin OUT and terminals K_INT is coupled；The wireless hair
Core shooting piece includes that pin RF_N and pin RF_P, the pin RF_N are grounded after being coupled with electric capacity C1, the pin RF_
One end of N and inductance L1 is coupled, and the other end of the inductance L1 is coupled with one end of inductance L3；The pin RF_P and inductance L2
One end coupling, the other end of the inductance L2 is grounded after being coupled with electric capacity C11, the pin RF_P and electric capacity C12's
One end is coupled, and the other end of the electric capacity C12 is coupled with one end of inductance L3, the other end of the inductance L3 by with electric capacity
Be grounded after C13 couplings, the other end of the inductance L3 is coupled with one end of inductance L4, the other end of the inductance L4 by with electricity
It is grounded after holding C14 couplings, the other end of the inductance L4 is coupled with one end of electric capacity C2, the other end of the electric capacity C2 is coupled with
Antenna A1；The wireless receiving module is provided with wireless receiving chip.
5. a kind of fingerprint recognition unlocking apparatus for automobile according to claim 1, it is characterised in that：Including power supply mould
Block, power module is provided with battery installation place, and positive pole and the VCC of the battery installation place are coupled, and the battery installation place is parallel with
Electric capacity C3 and electric capacity C4, the negative pole ground connection of the battery installation place.
6. a kind of fingerprint recognition unlocking apparatus for automobile according to claim 3, it is characterised in that：The fingerprint is adopted
Collection module includes fingerprint acquisition device, and fingerprint acquisition device is provided with support, and cover plate, the fingerprint sensor electricity are fixed with support
Road is arranged at cover plate lower end, and the touch IC circuits are arranged at fingerprint sensor circuit lower end.
7. a kind of fingerprint recognition unlocking apparatus for automobile according to claim 1, it is characterised in that：The driving mould
Block is coupled with OBD modules, and the OBD modules are coupled with automobile OBD skewers head.
8. a kind of unlocking automobiles method, it is characterised in that：Comprise the following steps：
S1：Finger fingertip presses on finger print acquisition module；
S2：Fingerprint is read, take the fingerprint feature；
S3：Obtain fingerprint image；
S4：Fingerprint recognition comparison is carried out, if comparison result is correct, is unlocked；If comparison result mistake, does not unlock, need
Again to be pressed with finger fingertip；
S5：If unlocking successfully, control signal is sent to drive module by control module, realizing unlocking triggering drives, shuts
Driving that triggering drives, flashing light triggering drives and loudspeaker pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710151177.5A CN106740687B (en) | 2017-03-14 | 2017-03-14 | Fingerprint identification unlocking device for automobile and automobile unlocking method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710151177.5A CN106740687B (en) | 2017-03-14 | 2017-03-14 | Fingerprint identification unlocking device for automobile and automobile unlocking method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106740687A true CN106740687A (en) | 2017-05-31 |
| CN106740687B CN106740687B (en) | 2023-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710151177.5A Active CN106740687B (en) | 2017-03-14 | 2017-03-14 | Fingerprint identification unlocking device for automobile and automobile unlocking method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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