CN106740687B - Fingerprint identification unlocking device for automobile and automobile unlocking method thereof - Google Patents

Fingerprint identification unlocking device for automobile and automobile unlocking method thereof Download PDF

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Publication number
CN106740687B
CN106740687B CN201710151177.5A CN201710151177A CN106740687B CN 106740687 B CN106740687 B CN 106740687B CN 201710151177 A CN201710151177 A CN 201710151177A CN 106740687 B CN106740687 B CN 106740687B
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pin
coupled
fingerprint
module
terminal
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CN106740687A (en
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余伟
何碧玉
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Dongguan Liandun Electronic Co ltd
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Dongguan Liandun Electronic Co ltd
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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

Abstract

The invention relates to the technical field of automobile burglary prevention, in particular to a fingerprint identification unlocking device for an automobile and an automobile unlocking method thereof, comprising the following steps: the fingerprint acquisition module is used for reading the fingerprint, extracting fingerprint characteristics, acquiring image information of the fingerprint as fingerprint information, and converting the fingerprint information from analog quantity to digital quantity; the identification module is used for carrying out identification comparison on the fingerprint information, judging whether unlocking is carried out or not, and generating an identification completion signal after judging is finished; the wireless transmitter comprises a wireless transmitting module, a wireless receiving module, a control module and a driving module. The invention realizes unlocking without a key, can unlock through fingerprint acquisition and identification, increases the anti-theft reliability of the automobile, facilitates unlocking of the automobile, and reduces the situation that the automobile cannot be unlocked after the key is lost or forgotten to be carried. The fingerprint identification ensures the legality of a user and reduces the occurrence of unlocking and stealing of the automobile after illegal molecules steal keys.

Description

Fingerprint identification unlocking device for automobile and automobile unlocking method thereof
Technical Field
The invention relates to the technical field of automobile burglary prevention, in particular to a fingerprint identification unlocking device for an automobile and an automobile unlocking method thereof.
Background
With the continuous development of economy, more and more people choose automobiles as a riding instead of walking tools in daily life. With the increasing amount of the automobile, the problem of theft of the automobile is also becoming serious. Common automobile anti-theft modes mainly use keys or additionally add locks to prevent theft, but the anti-theft effect is easy to lose efficacy by imitating keys, shearing locks and the like; with the progress of technology, the automobile is prevented from being stolen by an intelligent wireless key, namely, the automobile can be unlocked only by a legal wireless key, but wireless signals are easily intercepted by a wireless jammer or a wireless sensor, so that the wireless signals are cracked, and unlocking and stealing are realized; in addition, each time the automobile is unlocked, a key or a wireless key is required to be carried, and when the key or the wireless key is lost or forgotten to be carried, the unlocking action cannot be realized, so that inconvenience is caused.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide the fingerprint identification unlocking device for the automobile and the automobile unlocking method thereof, which can realize unlocking without a key, increase the anti-theft reliability of the automobile through fingerprint acquisition and identification, facilitate unlocking of the automobile and reduce the situation that the automobile cannot be unlocked after the key is lost or forgotten to be carried. Meanwhile, the fingerprint identification ensures the legality of a user, and reduces the occurrence of unlocking and stealing of the automobile after illegal molecules steal keys.
The technical scheme of the invention is as follows: a fingerprint identification unlocking device for an automobile, comprising: the fingerprint acquisition module is used for reading the fingerprint, extracting fingerprint characteristics, acquiring image information of the fingerprint as fingerprint information, and converting the fingerprint information from analog quantity to digital quantity; the identification module is used for carrying out identification comparison on the fingerprint information, judging whether the fingerprint information is unlocked or not, unlocking the fingerprint information when the fingerprint information is right after identification comparison, unlocking the fingerprint information when the fingerprint information is wrong after identification comparison, and generating an identification completion signal after the judgment is finished; the wireless transmitting module is used for transmitting the identification completion signal; the wireless receiving module is used for receiving the identification completion signal; the control module is used for sending a control signal to the driving module according to the identification completion signal; the driving module is used for receiving the control signal and performing driving operation; the fingerprint acquisition module is coupled with the identification module, the identification module is coupled with the wireless transmitting module, the wireless transmitting module is connected with the wireless receiving module in a wireless communication mode, the wireless receiving module is coupled with the control module, and the control module is coupled with the driving module.
Further, the identification module comprises an identification chip, the identification chip comprises a pin PA4, a pin PA5, a pin PA6, a pin PA7, a pin PB2 and a pin PB10, the pin PA4 is coupled with a terminal s_so, the pin PA5 is coupled with a terminal s_cs, the pin PA6 is coupled with a terminal s_clk, the pin PA7 is coupled with a terminal s_si, the pin PB2 is coupled with a terminal s_int, and the pin PB10 is coupled with a terminal s_en; the identification chip comprises a pin PB12, a pin PB13, a pin PB14 and a pin PB15, wherein the pin PB12 is coupled with a terminal T_SI, the pin PB13 is coupled with a terminal T_CS, the pin PB14 is coupled with a terminal T_CLK, and the pin PB15 is coupled with a terminal T_SO; the identification chip includes pin PA9, pin PA9 being coupled with terminal k_int.
Further, the fingerprint acquisition module comprises a fingerprint sensor circuit and a touch IC circuit, and the fingerprint sensor circuit and the touch IC circuit are respectively coupled with the identification module; the fingerprint sensor circuit comprises a fingerprint sensor chip, wherein the fingerprint sensor chip comprises a pin CLKO, a pin MOD, a pin GIO, a pin MISO, a pin MOSI and a pin CS_, the pin CLKO is coupled with a terminal S_CLK, the pin MOD is coupled with a terminal S_INT, the pin GIO is coupled with a terminal S_EN, the pin MISO is coupled with a terminal S_SO, the pin MOSI is coupled with a terminal S_SI, and the pin CS_ is coupled with a terminal S_CS; the touch IC circuit comprises a touch IC chip and a voltage stabilizing chip, wherein the touch IC chip is coupled with the voltage stabilizing chip, the touch IC chip comprises a pin OUT, the voltage stabilizing chip comprises a pin EN, the pin OUT is coupled with a terminal K_INT, and the pin EN is coupled with a terminal V_EN.
Further, the wireless transmitting module comprises a wireless transmitting chip, the wireless transmitting chip comprises a pin SI, a pin SCLK, a pin SO (G1) and a pin CS, the pin SI is coupled with a terminal T_SI, the pin SCLK is coupled with a terminal T_CLK, the pin SO (G1) is coupled with a terminal T_SO, the pin CS is coupled with a terminal T_CS, and the pin OUT is coupled with a terminal K_INT; the wireless transmitting chip comprises a pin RF_N and a pin RF_P, wherein the pin RF_N is grounded after being coupled with a capacitor C1, the pin RF_N is coupled with one end of an inductor L1, and the other end of the inductor L1 is coupled with one end of an inductor L3; the pin RF_P is coupled with one end of an inductor L2, the other end of the inductor L2 is grounded after being coupled with a capacitor C11, the pin RF_P is coupled with one end of a capacitor C12, the other end of the capacitor C12 is coupled with one end of an inductor L3, the other end of the inductor L3 is grounded after being coupled with a capacitor C13, the other end of the inductor L3 is coupled with one end of an inductor L4, the other end of the inductor L4 is grounded after being coupled with a capacitor C14, the other end of the inductor L4 is coupled with one end of a capacitor C2, and the other end of the capacitor C2 is coupled with an antenna A1; the wireless receiving module is provided with a wireless receiving chip.
Further, the power supply comprises a power supply module, wherein the power supply module is provided with a battery installation position, the positive electrode of the battery installation position is coupled with VCC, the battery installation position is connected with a capacitor C3 and a capacitor C4 in parallel, and the negative electrode of the battery installation position is grounded.
Further, the fingerprint acquisition module comprises a fingerprint acquisition device, the fingerprint acquisition device is provided with a support, a cover plate is fixed in the support, the fingerprint sensor circuit is arranged at the lower end of the cover plate, and the touch IC circuit is arranged at the lower end of the fingerprint sensor circuit.
Further, the driving module is coupled with an OBD module, and the OBD module is coupled with an automobile OBD skewer.
An unlocking method of an automobile comprises the following steps:
s1: the finger tip is pressed on the fingerprint acquisition module;
s2: reading a fingerprint and extracting fingerprint characteristics;
s3: acquiring a fingerprint image;
s4: performing fingerprint image identification comparison, and unlocking if the comparison result is correct; if the comparison result is wrong, the unlocking is not performed, and the finger tip is required to press again;
s5: if unlocking is successful, a control signal is sent to the driving module through the control module, so that unlocking triggering driving, locking triggering driving, flashing light triggering driving and horn ringing driving are realized.
The invention has the beneficial effects that: the automobile anti-theft lock is achieved without unlocking by keys, the anti-theft reliability of the automobile is improved through fingerprint acquisition and identification, the automobile is convenient to unlock, and the situation that the automobile cannot be unlocked after the keys are lost or forgotten to be carried is reduced. Meanwhile, the fingerprint identification ensures the legality of a user, and reduces the occurrence of unlocking and stealing of the automobile after illegal molecules steal keys.
Drawings
Fig. 1 is a block flow diagram of the present invention.
Fig. 2 is a circuit diagram of an identification module according to the present invention.
Fig. 3 is a circuit diagram of a fingerprint acquisition module according to the present invention.
Fig. 4 is a circuit diagram of a wireless transmitting module according to the present invention.
Fig. 5 is a circuit diagram of a power module according to the present invention.
Fig. 6 is a schematic structural diagram of a fingerprint acquisition device according to the present invention.
Fig. 7 is a schematic view of an installation position of the fingerprint acquisition device according to the present invention.
Fig. 8 is a schematic view of another installation position of the fingerprint acquisition device according to the present invention.
Fig. 9 is a flow chart of the steps of the present invention.
Reference numerals:
1-an identification module; 2-a fingerprint acquisition module; 201-a fingerprint sensor circuit; 202-touch IC circuitry; 3-a wireless transmitting module; 4-a power module; 401-battery installation site; 5-fingerprint acquisition device; 501-a bracket; 502-cover plate.
Detailed Description
The invention will be further described with reference to the following examples.
A fingerprint identification unlocking device for an automobile, comprising: the fingerprint acquisition module 2 is used for reading fingerprints, extracting fingerprint characteristics, acquiring image information of the fingerprints as fingerprint information, and converting the fingerprint information from analog quantity to digital quantity; the identification module 1 is used for carrying out identification comparison on fingerprint information, judging whether unlocking is carried out, unlocking can be carried out when the identification comparison is correct, unlocking can not be carried out when the identification comparison is incorrect, and generating an identification completion signal after the judgment is finished; a wireless transmitting module 3 for transmitting an identification completion signal; the wireless receiving module is used for receiving the identification completion signal; the control module is used for sending a control signal to the driving module according to the identification completion signal; the driving module is used for receiving the control signal and performing driving operation; the fingerprint acquisition module 2 is coupled with the identification module 1, the identification module 1 is coupled with the wireless transmission module 3, the wireless transmission module 3 is connected with the wireless receiving module in a wireless communication manner, the wireless receiving module is coupled with the control module, and the control module is coupled with the driving module. As shown in fig. 1, the working principle is as follows: the fingerprint is pressed on the fingerprint acquisition module 2 through the finger tip, so that the fingerprint is contacted with the fingerprint acquisition module 2, at the moment, the fingerprint acquisition module 2 reads the fingerprint, fingerprint characteristics are extracted, image information of the fingerprint is obtained as fingerprint information, and the fingerprint is generally analog quantity, so that the analog quantity is converted into digital quantity through the fingerprint acquisition module 2. And then fingerprint identification comparison is carried out through the identification module 1, namely fingerprint information and stored fingerprint reference information are compared through a fingerprint identification algorithm, and when the comparison result accords with the fingerprint reference information, the identity verification is correct, and the unlocking can be realized. And when the comparison result is not consistent, namely the identity authentication error is obtained, the unlocking can not be performed. After the identification is finished, an identification finishing signal is transmitted to the control module through the wireless transmitting module 3, the control module receives the identification finishing information through the wireless receiving module, and when the identity verification is correct, the control module can drive each function through the driving module by sending the control signal to the driving module, and the driving module comprises an unlocking triggering driving, a locking triggering driving, a flashing light triggering driving and a loudspeaker ringing driving. The unlocking trigger drive and the locking trigger drive are used for controlling the unlocking or locking of the automobile door after the identity verification is correct. The flashing light triggers the driving, and is used for reminding the current automobile of what state is in through flashing lights, for example, the state is indicated as an unlocked state once through flashing lights, or the state is indicated as a locked state three times through flashing lights. The horn ringing drive is used for achieving the reminding effect through ringing.
In this embodiment, the identification module 1 includes an identification chip, where the identification chip includes a pin PA4, a pin PA5, a pin PA6, a pin PA7, a pin PB2, and a pin PB10, the pin PA4 is coupled to the terminal s_so, the pin PA5 is coupled to the terminal s_cs, the pin PA6 is coupled to the terminal s_clk, the pin PA7 is coupled to the terminal s_si, the pin PB2 is coupled to the terminal s_int, and the pin PB10 is coupled to the terminal s_en; the identification chip comprises a pin PB12, a pin PB13, a pin PB14 and a pin PB15, wherein the pin PB12 is coupled with a terminal T_SI, the pin PB13 is coupled with a terminal T_CS, the pin PB14 is coupled with a terminal T_CLK, and the pin PB15 is coupled with a terminal T_SO; the identification chip includes pin PA9, pin PA9 being coupled with terminal k_int. As shown in fig. 2, the identification chip is U2, and the model number of U2 is 32F205. The identification chip is used for comparing the acquired fingerprint information with the fingerprint reference quantity stored in the identification chip, and through screening the image, unlocking operation can be realized when the result is matched, and unlocking can not be realized when the result is not matched.
The identification chip can be coupled with the terminal s_so, the terminal s_cs, the terminal s_clk, the terminal s_si, the terminal s_int and the terminal s_en through the pin PA4, the pin PA5, the pin PA6, the pin PA7, the pin PB2 and the pin PB10 respectively, SO as to perform acquisition control on the fingerprint acquisition module 2 and realize data transmission of fingerprint information. The identification chip can be coupled with the terminal t_si, the terminal t_cs, the terminal t_clk and the terminal t_so through the pin PB12, the pin PB13, the pin PB14 and the pin PB15, and is used for performing wireless communication control to the wireless transmitting module 3 and realizing data transmission of fingerprint information. The identification chip can be coupled with the wiring terminal K_INT through the pin PA9, so that the fingerprint acquisition module 2 can convert the acquired fingerprint analog quantity into digital quantity and transmit the digital quantity to the identification chip. The identification chip is coupled with the positive electrode of the Light Emitting Diode (LED) through the pin PA0, the negative electrode of the LED is grounded and used for reminding through a luminous signal, and a resistor R3 is coupled between the pin PA0 and the LED to play a role in current limiting and voltage dividing. The light emitting diode LED is blue.
In this embodiment, the fingerprint acquisition module 2 includes a fingerprint sensor circuit 201 and a touch IC circuit 202, where the fingerprint sensor circuit 201 and the touch IC circuit 202 are respectively coupled to the identification module 1; the fingerprint sensor circuit 201 includes a fingerprint sensor chip including a pin CLKO, a pin MOD, a pin GIO, a pin MISO, a pin MOSI, and a pin cs_, the pin CLKO being coupled to a terminal s_clk, the pin MOD being coupled to a terminal s_int, the pin GIO being coupled to a terminal s_en, the pin MISO being coupled to a terminal s_so, the pin MOSI being coupled to a terminal s_si, the pin cs_ being coupled to a terminal s_cs; the touch IC circuit 202 includes a touch IC chip coupled to a voltage regulator chip including a pin OUT and a voltage regulator chip including a pin EN coupled to a terminal k_int and coupled to a terminal v_en. As shown in fig. 3, the fingerprint sensor circuit 201 specifically employs a capacitive fingerprint sensor. The capacitive fingerprint Sensor is used for judging whether a finger presses to carry out fingerprint identification and data information transmission with an identification chip, the fingerprint Sensor chip is U4, the model of U4 is Sensor6121, and the working principle is as follows: when the capacitive fingerprint sensor judges that no fingertip is pressed currently, the capacitive fingerprint sensor is in a sleep state; when the capacitive fingerprint sensor judges that the finger tip is pressed currently, the capacitive fingerprint sensor is in a detection mode, at the moment, the capacitive fingerprint sensor reads the finger print, extracts fingerprint characteristics, converts analog quantity of the finger print into digital quantity to serve as fingerprint information, and then sends the fingerprint information to the identification chip. As shown in fig. 3, the touch IC circuit 202 includes a touch IC chip U5, and the model number of U5 is 9801B. The touch IC chip is used for controlling power supply to the fingerprint acquisition module 2, and plays a role in reducing power consumption. The method comprises the following steps: when the capacitive fingerprint sensor senses that a fingertip is pressed, the touch IC chip outputs a high level, so that the power module 4 supplies power to the fingerprint acquisition module 2. As shown in fig. 3, the identification chip is coupled to the terminal v_en through the pin PA12, and is used for controlling the voltage stabilizing chip, where the voltage stabilizing chip is U3, and the model number of U3 is SPX3819. For stable switching of the supply voltage. Providing the required supply voltage.
In this embodiment, the wireless transmitting module 3 includes a wireless transmitting chip, where the wireless transmitting chip includes a pin SI, a pin SCLK, a pin SO (G1), and a pin CS, the pin SI is coupled to a terminal t_si, the pin SCLK is coupled to a terminal t_clk, the pin SO (G1) is coupled to a terminal t_so, the pin CS is coupled to a terminal t_cs, and the pin OUT is coupled to a terminal k_int; the wireless transmitting chip comprises a pin RF_N and a pin RF_P, wherein the pin RF_N is grounded after being coupled with a capacitor C1, the pin RF_N is coupled with one end of an inductor L1, and the other end of the inductor L1 is coupled with one end of an inductor L3; the pin RF_P is coupled with one end of an inductor L2, the other end of the inductor L2 is grounded after being coupled with a capacitor C11, the pin RF_P is coupled with one end of a capacitor C12, the other end of the capacitor C12 is coupled with one end of an inductor L3, the other end of the inductor L3 is grounded after being coupled with a capacitor C13, the other end of the inductor L3 is coupled with one end of an inductor L4, the other end of the inductor L4 is grounded after being coupled with a capacitor C14, the other end of the inductor L4 is coupled with one end of a capacitor C2, and the other end of the capacitor C2 is coupled with an antenna A1; the wireless receiving module is provided with a wireless receiving chip. As shown in fig. 4, the wireless transmitting chip is U1, and the model number of U1 is CC115L. The terminal T_SI, the terminal T_CLK, the terminal T_CS and the terminal K_INT are used for realizing data transmission between the wireless transmitting chip and the identification chip, and signals output by the identification chip can be output through a pin RF_N and a pin RF_P of the wireless transmitting chip and are sent outwards through the antenna A1, so that wireless communication is realized. The model of the wireless receiving chip is CC113 (not shown in the drawings). The driving module is used for receiving signals sent by the antenna A1 and transmitting the signals to the control module so as to control the driving module. The driving module comprises a driving chip, and the model of the driving chip is G2553.
In this embodiment, the power supply module 4 is included, the power supply module 4 is provided with a battery installation place 401, an anode of the battery installation place 401 is coupled with VCC, the battery installation place 401 is connected with a capacitor C3 and a capacitor C4 in parallel, and a cathode of the battery installation place 401 is grounded. As shown in fig. 5, the power module 4 is used for providing power supply, and the battery installation place 401 adopts a button battery.
In this embodiment, the fingerprint acquisition module 2 includes a fingerprint acquisition device 5, the fingerprint acquisition device 5 is provided with a support 501, a cover plate 502 is fixed in the support 501, the fingerprint sensor circuit 201 is disposed at the lower end of the cover plate 502, and the touch IC circuit 202 is disposed at the lower end of the fingerprint sensor circuit 201. As shown in fig. 6, the support 501 is a metal support 501, so that the structure is firm and is not easy to fall off. The cover plate 502 is made of sapphire, the fingerprint collection device 5 is arranged at one end of an automobile door handle, as shown in fig. 7 and 8, and the fingerprint collection device 5 is arranged at the upper part of the door handle or the front part of the door handle, so that fingerprint pressing action is conveniently realized.
In this embodiment, the driving module is coupled to an OBD module, and the OBD module is coupled to an OBD skewer of the vehicle. The OBD module is not drawn in the drawing, and the OBD module is used for realizing carrying out data transmission with the original system of car, reduces the quantity of pencil and interface.
An unlocking method of an automobile, as shown in fig. 9, comprises the following steps:
s1: the finger tip is pressed on the fingerprint acquisition module;
s2: reading a fingerprint and extracting fingerprint characteristics;
s3: acquiring a fingerprint image;
s4: performing fingerprint image identification comparison, and unlocking if the comparison result is correct; if the comparison result is wrong, the unlocking is not performed, and the finger tip is required to press again;
s5: if unlocking is successful, a control signal is sent to the driving module through the control module, so that unlocking triggering driving, locking triggering driving, flashing light triggering driving and horn ringing driving are realized.
The invention realizes unlocking without a key, can unlock through fingerprint acquisition and identification, increases the anti-theft reliability of the automobile, facilitates unlocking of the automobile, and reduces the situation that the automobile cannot be unlocked after the key is lost or forgotten to be carried. Meanwhile, the fingerprint identification ensures the legality of a user, and reduces the occurrence of unlocking and stealing of the automobile after illegal molecules steal keys.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.

Claims (5)

1. A fingerprint identification unlocking means for car, its characterized in that: comprising the following steps:
the fingerprint acquisition module is used for reading the fingerprint, extracting fingerprint characteristics, acquiring image information of the fingerprint as fingerprint information, and converting the fingerprint information from analog quantity to digital quantity;
the identification module is used for carrying out identification comparison on the fingerprint information, judging whether the fingerprint information is unlocked or not, unlocking the fingerprint information when the fingerprint information is right after identification comparison, unlocking the fingerprint information when the fingerprint information is wrong after identification comparison, and generating an identification completion signal after the judgment is finished;
the wireless transmitting module is used for transmitting the identification completion signal;
the wireless receiving module is used for receiving the identification completion signal;
the control module is used for sending a control signal to the driving module according to the identification completion signal;
the driving module is used for receiving the control signal and performing driving operation;
the fingerprint acquisition module is coupled with the identification module, the identification module is coupled with the wireless transmitting module, the wireless transmitting module is in wireless communication connection with the wireless receiving module, the wireless receiving module is coupled with the control module, and the control module is coupled with the driving module;
the identification module comprises an identification chip, wherein the identification chip comprises a pin PA4, a pin PA5, a pin PA6, a pin PA7, a pin PB2 and a pin PB10, the pin PA4 is coupled with a terminal S_SO, the pin PA5 is coupled with a terminal S_CS, the pin PA6 is coupled with a terminal S_CLK, the pin PA7 is coupled with a terminal S_SI, the pin PB2 is coupled with a terminal S_INT, and the pin PB10 is coupled with a terminal S_EN; the identification chip comprises a pin PB12, a pin PB13, a pin PB14 and a pin PB15, wherein the pin PB12 is coupled with a terminal T_SI, the pin PB13 is coupled with a terminal T_CS, the pin PB14 is coupled with a terminal T_CLK, and the pin PB15 is coupled with a terminal T_SO; the identification chip comprises a pin PA9, and the pin PA9 is coupled with a terminal K_INT;
the fingerprint acquisition module comprises a fingerprint sensor circuit and a touch IC circuit, and the fingerprint sensor circuit and the touch IC circuit are respectively coupled with the identification module; the fingerprint sensor circuit comprises a fingerprint sensor chip, wherein the fingerprint sensor chip comprises a pin CLKO, a pin MOD, a pin GIO, a pin MISO, a pin MOSI and a pin CS_, the pin CLKO is coupled with a terminal S_CLK, the pin MOD is coupled with a terminal S_INT, the pin GIO is coupled with a terminal S_EN, the pin MISO is coupled with a terminal S_SO, the pin MOSI is coupled with a terminal S_SI, and the pin CS_ is coupled with a terminal S_CS; the touch IC circuit comprises a touch IC chip and a voltage stabilizing chip, wherein the touch IC chip is coupled with the voltage stabilizing chip, the touch IC chip comprises a pin OUT, the voltage stabilizing chip comprises a pin EN, the pin OUT is coupled with a terminal K_INT, and the pin EN is coupled with a terminal V_EN;
the wireless transmitting module comprises a wireless transmitting chip, the wireless transmitting chip comprises a pin SI, a pin SCLK, a pin SO (G1) and a pin CS, the pin SI is coupled with a terminal T_SI, the pin SCLK is coupled with a terminal T_CLK, the pin SO (G1) is coupled with a terminal T_SO, the pin CS is coupled with a terminal T_CS, and the pin OUT is coupled with a terminal K_INT; the wireless transmitting chip comprises a pin RF_N and a pin RF_P, wherein the pin RF_N is grounded after being coupled with a capacitor C1, the pin RF_N is coupled with one end of an inductor L1, and the other end of the inductor L1 is coupled with one end of an inductor L3; the pin RF_P is coupled with one end of an inductor L2, the other end of the inductor L2 is grounded after being coupled with a capacitor C11, the pin RF_P is coupled with one end of a capacitor C12, the other end of the capacitor C12 is coupled with one end of an inductor L3, the other end of the inductor L3 is grounded after being coupled with a capacitor C13, the other end of the inductor L3 is coupled with one end of an inductor L4, the other end of the inductor L4 is grounded after being coupled with a capacitor C14, the other end of the inductor L4 is coupled with one end of a capacitor C2, and the other end of the capacitor C2 is coupled with an antenna A1; the wireless receiving module is provided with a wireless receiving chip.
2. A fingerprint recognition unlocking apparatus for an automobile according to claim 1, wherein: the power supply comprises a power supply module, wherein the power supply module is provided with a battery installation part, the positive electrode of the battery installation part is coupled with VCC, the battery installation part is connected with a capacitor C3 and a capacitor C4 in parallel, and the negative electrode of the battery installation part is grounded.
3. A fingerprint recognition unlocking apparatus for an automobile according to claim 1, wherein: the fingerprint acquisition module comprises a fingerprint acquisition device, the fingerprint acquisition device is provided with a support, a cover plate is fixed in the support, the fingerprint sensor circuit is arranged at the lower end of the cover plate, and the touch IC circuit is arranged at the lower end of the fingerprint sensor circuit.
4. A fingerprint recognition unlocking apparatus for an automobile according to claim 1, wherein: the driving module is coupled with the OBD module, and the OBD module is coupled with the automobile OBD skewer.
5. An unlocking method for an automobile, which is applied to the fingerprint identification unlocking device for the automobile, as claimed in any one of claims 1 to 4, and is characterized in that: the method comprises the following steps:
s1: the finger tip is pressed on the fingerprint acquisition module;
s2: reading a fingerprint and extracting fingerprint characteristics;
s3: acquiring a fingerprint image;
s4: performing fingerprint image identification comparison, and unlocking if the comparison result is correct; if the comparison result is wrong, the unlocking is not performed, and the finger tip is required to press again;
s5: if unlocking is successful, a control signal is sent to the driving module through the control module, so that unlocking triggering driving, locking triggering driving, flashing light triggering driving and horn ringing driving are realized.
CN201710151177.5A 2017-03-14 2017-03-14 Fingerprint identification unlocking device for automobile and automobile unlocking method thereof Active CN106740687B (en)

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CN201710151177.5A CN106740687B (en) 2017-03-14 2017-03-14 Fingerprint identification unlocking device for automobile and automobile unlocking method thereof

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CN106740687A CN106740687A (en) 2017-05-31
CN106740687B true CN106740687B (en) 2023-06-09

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107978046A (en) * 2017-12-04 2018-05-01 信利光电股份有限公司 Automobile remote-control and vehicle remote control method
CN108032837A (en) * 2017-12-12 2018-05-15 北京汽车研究总院有限公司 A kind of vehicle key-free activation system and there is its vehicle
CN108868362A (en) * 2018-08-15 2018-11-23 长春鸿达光电子与生物统计识别技术有限公司 A kind of luggage with living body finger print identification function
CN110506299A (en) * 2018-11-02 2019-11-26 深圳市汇顶科技股份有限公司 The device and door lock of vivo identification

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203305960U (en) * 2013-06-17 2013-11-27 淄博市技师学院 Rolling code remote control auxiliary anti-theft control device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19747654A1 (en) * 1997-10-29 1999-05-20 Telefunken Microelectron Procedure for operating a security system
WO2002048485A1 (en) * 2000-12-15 2002-06-20 Hong-Sik Koo Fingerprint recognition key, lock, and control method
CN201226161Y (en) * 2008-01-29 2009-04-22 任汉丹 Fingerprint identification controller
CN102114825A (en) * 2009-12-30 2011-07-06 池长溪 Automobile fingerprint burglar alarm, control method and control circuit
CN203909882U (en) * 2014-07-01 2014-10-29 西安科技大学 Fingerprint vehicle lock control system
CN206734250U (en) * 2017-03-14 2017-12-12 东莞市连盾电子有限公司 A kind of fingerprint recognition unlocking apparatus for automobile

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203305960U (en) * 2013-06-17 2013-11-27 淄博市技师学院 Rolling code remote control auxiliary anti-theft control device

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