Automobile key device capable of distinguishing and identifying different fingerprints to realize different functions
Technical Field
The invention relates to the field of automobile intelligent control, in particular to an automobile key device capable of distinguishing and identifying different fingerprints to realize different functions.
Background
At present, the car has gone into every family, and car quantity also greatly increased, and among the prior art, there has car fingerprint unlocking device, has for example in circuit structure design: the publication number is: chinese patent CN 208429054U discloses an automobile fingerprint unlocking device. My company provides publication numbers of: CN209938537U is an automobile fingerprint unlocking device of integrated car key.
In addition, there are related patents on the structural design of car fingerprint lock, such as: the publication number is: CN 210948106U is a waterproof automobile fingerprint lock; install fingerprint lock body in the casing, the publication number is: the automobile door handle with the fingerprint lock of CN 202788193U is designed with a sliding sealing cover. However, the above-mentioned fingerprint lock for a car has a complicated structure, is inconvenient to operate, and has a poor protection effect.
In a common automobile fingerprint unlocking device, fingerprints are only limited to overall unlocking and locking instructions of an automobile, and a technical solution for distinguishing multiple purposes is not provided.
Disclosure of Invention
In order to overcome the defects in the background art, the invention provides the automobile key device which can distinguish and identify different fingerprints to realize different functions, and the unlocking and locking instructions of the automobile are realized through fingerprint identification; carry out the appointed realization function of every fingerprint through typeeing different fingerprints, improve on the protective structure of car fingerprint lock simultaneously, adopt elastic material's integrated into one piece structure, one end is fixed, and the other end utilizes the elasticity of material can directly turn it open to waterproof sealing performance is good.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automobile key device capable of distinguishing and identifying different fingerprints to realize different functions comprises a fingerprint sensor, a cover plate and a fingerprint unlocking control system; the fingerprint sensor is embedded in a groove of an automobile door handle, and a cover plate covers the fingerprint sensor; the cover plate is of an integrally formed structure made of elastic materials, one end of the cover plate is fixed, and the other end of the cover plate can be directly turned over by utilizing the elasticity of the materials.
The fingerprint unlocking control system realizes unlocking and locking instructions of the automobile through fingerprint identification; and performing the appointed implementation function of each fingerprint by inputting different fingerprints.
Furthermore, the cover plate is of an integrally formed structure made of elastic materials, a plurality of conical heads are arranged on one side of the cover plate, and the conical heads are inserted into a conical groove of the automobile door handle to fix one side of the cover plate; the other side of the cover plate is provided with a spanner, and the cover plate is turned upwards from the side; the back of the cover plate is provided with a waterproof sealing strip at a position corresponding to the fingerprint sensor; when the cover plate is turned over, the position between the conical head and the waterproof sealing strip is folded outwards.
Furthermore, the elastic material is made of silica gel, rubber or PC.
Furthermore, a rectangular fixing block is further arranged between the two conical heads on the cover plate and inserted into a rectangular groove of the automobile door handle, and one side of the cover plate is fixed on the automobile door handle.
Furthermore, the upper surface of the cover plate is printed with a fingerprint pattern.
Further, the implementation function of performing the specification of each fingerprint by entering different fingerprints specifically includes the following steps: comprises the following steps:
1) inputting a first finger fingerprint, and setting the first finger fingerprint as an unlocking and locking instruction of a main driving automobile;
2) inputting a second finger fingerprint, and setting the second finger fingerprint as a functional instruction for opening and closing the trunk;
3) inputting a third finger fingerprint, and setting the third finger fingerprint as an opening and closing instruction for opening the copilot unlocking and locking or the electric door;
4) and inputting a fourth finger fingerprint, and setting the fourth finger fingerprint as an instruction for opening and closing the window.
Further, fingerprint unlocking control system include fingerprint collection controller and car ECU, fingerprint sensor passes through on fingerprint collection controller is connected to the OBD interface of car with the mode of CAN communication, is connected through the main control unit ECU of OBD interface with the car, fingerprint collection controller includes main control MCU and the CAN bus transceiver who links to each other with it, fingerprint collection controller converts the fingerprint signal of gathering into various of car and unblanks, close the lock, open the window, close order such as window and send for car ECU.
Furthermore, the fingerprint unlocking control system comprises a fingerprint acquisition controller and an automobile remote control key circuit, wherein the fingerprint acquisition controller comprises a master control MCU and a CAN bus transceiver connected with the master control MCU, the automobile remote control key circuit comprises a second master control MCU and a remote control key chip connected with the second master control MCU, the master control MCU is connected with the second master control MCU of the automobile remote control key circuit, after the master control MCU acquires a fingerprint signal, the master control MCU sends out a switch instruction of the remote control key through the remote control key chip in a mode of simulating an automobile key instruction, and the instruction function of the switch instruction of the remote control key is set on an automobile master control table and is set into corresponding instructions of unlocking, locking, window opening, window closing and the like, so that the fingerprint unlocking control system finally realizes the unlocking and locking instructions of the automobile through fingerprint identification; and performing the appointed implementation function of each fingerprint by inputting different fingerprints.
Furthermore, fingerprint unlocking control system have corresponding APP or believe little procedure a little at the cell-phone end, can control the function such as unblanking, lock, the car authorization use of car remotely.
Compared with the prior art, the invention has the beneficial effects that:
1) the automobile key device can distinguish and identify different fingerprints to realize different functions, and the unlocking and locking instructions of the automobile are realized through fingerprint identification; the function of realizing the designation of each fingerprint is realized by inputting different fingerprints;
2) the invention improves the protection structure of the automobile fingerprint lock, has an elastic cover plate which is manually turned over, adopts an integral forming structure of elastic materials, one end of the elastic cover plate is fixed, the other end of the elastic cover plate can be directly turned over by the elasticity of the materials, the cover plate is manually closed after use, the cover plate is normally in a closed state, the sealing and waterproof performance is good, and the functions of protecting the fingerprint module, preventing water, dust and ultraviolet rays can be achieved.
Drawings
FIG. 1 is an overall block diagram of the present invention (flipped open);
FIG. 2 is another side of FIG. 1;
FIG. 3 is an overall block diagram of the present invention (not flipped open);
FIG. 4 is a view of a slot in an automotive door handle of the present invention;
FIG. 5 is a view of the underside of the cover of the present invention;
FIG. 6 is a top view of the cover of the present invention;
FIG. 7 is a block diagram of an embodiment of a hardware structure adopted by the fingerprint unlocking control system of the present invention;
fig. 8 is a block diagram of a hardware configuration embodiment adopted by the fingerprint unlocking control system of the present invention.
In the figure: 1-automobile door handle 2-fingerprint sensor 3-cover plate 4-spanner 5-taper groove 6-rectangular groove 7-groove 8-waterproof sealing strip 9-taper head 10-rectangular fixed block 11-folding position 12-fingerprint pattern.
Detailed Description
The following detailed description of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1 to 6, the fingerprint lock for an automobile of the present invention includes a fingerprint sensor 2 and a cover plate 3, the fingerprint sensor 2 is embedded in a recess 7 of an automobile door handle 1, and the cover plate 3 covers above.
The automobile door handle is characterized in that the cover plate 3 is of an integrally formed structure made of silica gel, rubber or PC materials, a plurality of conical heads 9 are arranged on one side of the cover plate 3, a conical groove 5 is machined in the automobile door handle 1, and the conical heads 9 are inserted into the conical groove 5 of the automobile door handle 1 to fix one side of the cover plate 1; the other side of the cover plate 1 is provided with a wrench 4, and the cover plate 1 is turned upwards from the other side; a waterproof sealing strip 8 is arranged at the position, corresponding to the fingerprint sensor 2, on the back surface of the cover plate 1; when the cover plate 1 is folded open, it is folded outward at a position (folded position 11) between the tapered head 9 and the waterproof sealing tape 8.
A rectangular fixing block 10 is further arranged between the two conical heads 9 on the cover plate 1, a rectangular groove 6 is machined in the automobile door handle 1, and the rectangular fixing block 10 is inserted into the rectangular groove 6 of the automobile door handle 1 and is also used for fixing one side of the cover plate 1 on the automobile door handle 1.
The upper surface of the cover plate 1 is printed with a fingerprint pattern 12.
The invention also comprises a fingerprint unlocking control system, wherein the fingerprint unlocking control system realizes the unlocking and locking instructions of the automobile through fingerprint identification; and performing the appointed implementation function of each fingerprint by inputting different fingerprints. The function of implementing the specification of each fingerprint by inputting different fingerprints specifically comprises the following steps: comprises the following steps:
1) inputting a first finger (for example, a thumb) fingerprint, and setting the first finger fingerprint as an unlocking and locking instruction of a main driving automobile;
2) inputting a second finger (for example, index finger) fingerprint, and setting the second finger fingerprint as a functional instruction for opening and closing the trunk;
3) inputting a third finger (for example, a middle finger) fingerprint, and setting the third finger fingerprint as an opening and closing instruction for opening the copilot unlocking and locking or the electric door;
4) and inputting a fourth finger (such as a ring finger) fingerprint, and setting the fourth finger fingerprint as an instruction for opening and closing the window.
As shown in fig. 7, the fingerprint unlocking control system adopts the hardware structure of the first embodiment, and the fingerprint sensor is connected to the OBD interface of the automobile in a CAN communication manner through the fingerprint acquisition controller and is connected to the main controller ECU of the automobile through the OBD interface. The fingerprint acquisition controller comprises a main control MCU and a CAN bus transceiver connected with the main control MCU, and the fingerprint acquisition controller converts acquired fingerprint signals into various instructions of unlocking, locking, opening and closing windows and the like of the automobile and sends the instructions to the automobile ECU through the CAN bus.
As shown in fig. 8, the fingerprint unlocking control system adopts the hardware structure of the second embodiment, and includes a fingerprint acquisition controller and an automobile remote control key circuit, the fingerprint acquisition controller includes a master control MCU and a CAN bus transceiver connected therewith, the automobile remote control key circuit includes a second master control MCU and a remote control key chip connected therewith, the master control MCU is connected with the second master control MCU of the automobile remote control key circuit, after the master control MCU acquires a fingerprint signal, the master control MCU sends a switch instruction of the remote control key through the remote control key chip in a manner of simulating the automobile key instruction, and the instruction function of the switch instruction of the remote control key is set on the automobile master control console to be set to corresponding various instructions of unlocking, locking, opening and closing the window, so as to finally realize the unlocking and locking instructions of the automobile through fingerprint identification; and performing the appointed implementation function of each fingerprint by inputting different fingerprints. In the embodiment, the fingerprint acquisition controller is connected to an OBD interface of the automobile through a CAN bus, but only plays a role in conventional communication and power supply.
In the embodiment of fig. 8, an emergency signal controlled analog switch chip (e.g., TS5a3166DCKR) is used, and the emergency signal controlled analog switch chip is disposed in the key fob circuit and is used for disconnecting the sensing antenna of the key to prevent the key from being started in emergency in case of power failure.
The fingerprint unlocking control system product provided by the invention has the corresponding APP or WeChat small program at the mobile phone end, and can remotely control the functions of unlocking, locking, automobile authorized use and the like of the automobile.
The automobile key device can distinguish and identify different fingerprints to realize different functions, and the unlocking and locking instructions of the automobile are realized through fingerprint identification; and performing the appointed implementation function of each fingerprint by inputting different fingerprints.
The invention is also improved on the protection structure of the automobile fingerprint lock, the automobile fingerprint lock is provided with an elastic cover plate which is manually turned, the automobile fingerprint lock adopts an integrally formed structure made of elastic materials, one end of the cover plate is fixed, the other end of the cover plate can be directly turned by the elasticity of the materials, the cover plate is manually closed after use, the cover plate is normally in a closed state, the sealing and waterproof performance is good, and the functions of hanging and scratching, water prevention and dust prevention of a fingerprint module can be protected.
The above embodiments are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the above embodiments. The methods used in the above examples are conventional methods unless otherwise specified.