Summary of the invention
To this end, the present invention provides a kind of power-free Intelligent key and is applied to the vehicle unlocking system and method for this power-free Intelligent key, to solve the problems referred to above.
The present invention provides a kind of power-free Intelligent key, comprising: memory element;Radio transmitting unit;Receiving coil;Current receiv module, this current receiv module is electrically connected to this receiving coil, and the electric energy that form radiate with wireless electromagnetic by a vehicle for controlling this receiving coil to receive radiates, to power to this power-free Intelligent key, makes this power-free Intelligent key start working;Iris identification unit, the eyes of this iris identification unit scan one user are to identify the iris image of this user, and are stored in this memory element by this iris image;And information sending module, the radio signal comprising this iris image for controlling this radio transmitting unit to send is to this vehicle, by this iris image, this vehicle can verify whether this power-free Intelligent key and this vehicle mate, and be unlocked when this power-free Intelligent key and this vehicle match.
The present invention provides a kind of vehicle system for unlocking, and it includes vehicle and power-free Intelligent key.This vehicle includes the first memory element, power subsystem, radio reception unit, transmitting coil, electric current sending module, authentication module and vehicle unlocked state, this first memory element presets iris image for storage one, this electric current sending module is electrically connected between this power subsystem and this transmitting coil, and the form that the electric energy that this power subsystem is provided by this electric current sending module for controlling this transmitting coil radiates with wireless electromagnetic sends;This power-free Intelligent key includes iris identification unit, the second memory element, radio transmitting unit, receiving coil, current receiv module and information sending module, the eyes of this iris identification unit scan one user are to identify the iris image of this user, and are stored in by this iris image in this second memory element;This current receiv module is electrically connected to this receiving coil, is used for controlling this receiving coil and receives this electric energy to power to this power-free Intelligent key, makes this power-free Intelligent key start working;The radio signal that this information sending module comprises this iris image for controlling this radio transmitting unit to send is to this vehicle;This authentication module is for according to verifying that this iris image and this default iris image verify whether this power-free Intelligent key and this vehicle mate, this vehicle unlocked state is for when this authentication module determines this power-free Intelligent key and this vehicle match, being unlocked this vehicle.
The present invention provides a kind of unlocking method of vehicle, and it is applied on a vehicle and a power-free Intelligent key, and this vehicle storage presets iris image, and this unlocking method of vehicle includes step: electric energy is sent by this vehicle in real time in the form of electromagnetic radiation;This power-free Intelligent key receives this electric energy to power to this power-free Intelligent key and to start working within this vehicle one predeterminable range time;This power-free Intelligent key scans the eyes of a user to identify the iris image of this user, and stores this iris image;This power-free Intelligent key launches a radio signal comprising this iris image;This radio signal of this vehicle receiver is to obtain this iris image, and compared with the default iris image that this vehicle prestores;If this iris image matches with this default iris image, then this vehicle is unlocked.
Owing to iris is a kind of extremely fixing biological characteristic, do not wear and tear, the most aging, not by sickness influence, be difficult to be forged, can be prevented effectively from that transmission signal is intercepted to be stolen, and when the dead battery of Intelligent key, still can realize user and verify and unlock vehicle, have great convenience for the user.
Detailed description of the invention
Below in conjunction with drawings and Examples, the power-free Intelligent key of the present invention and vehicle system for unlocking and the unlocking method of vehicle being applied on this power-free Intelligent key are described in further detail.
Functional block diagram please also refer to the vehicle system for unlocking S1 that Fig. 1, Fig. 1 are an embodiment of the present invention.This vehicle system for unlocking S1 includes vehicle 10 and power-free Intelligent key 20.
This vehicle 10 includes the first control module 11, power subsystem 12, transmitting coil the 13, first memory element 14 and radio reception unit 15.This first control module 11 is electrically connected in this power subsystem 12, transmitting coil the 13, first memory element 14 and radio reception unit 15.
This first memory element 14 presets iris image for storage one default ID and.It is understood that the identification code that this default ID is the Intelligent key matched with this vehicle 10, this iris image is the iris image of the user using this vehicle 10.
This power-free Intelligent key 20 includes the second control module 21, receiving coil the 22, second memory element 23 and radio transmitting unit 24.This second control module 21 is electrically connected to receiving coil the 22, second memory element 23, radio transmitting unit 24 and iris identification unit 25.
This iris identification unit 25 is for scanning the eyes of a user to identify the iris image of this user.Specifically, this iris identification unit 25 first looks for the pupil center of the eyes of a user to carry out Pupil diameter, then these eyes are carried out iris region acquisition, and carries out iris feature extraction with the iris image obtaining this user according to the iris region image captured.
This second memory element 23 is for storing the unique identifier of this iris image and this power-free Intelligent key 20.
This first control module 11 is for sending the electric energy of power subsystem 12 in real time by transmitting coil 13 in the way of wireless electromagnetic radiation.This receiving coil 22 is for receiving the electric energy radiated by this transmitting coil 13 within this transmitting coil 13 1 predeterminable range time, wherein, this electric energy is for powering for this power-free Intelligent key 20, now, this power-free Intelligent key 20 is equivalent to connect a power supply, thus, this power-free Intelligent key 20 just can start normally to work.Then, this iris identification unit 25 scans the eyes of a user to identify the iris image of this user, and is stored in by this iris image in this second memory element 23;This second controls module 21 and reads this unique identifier and this iris image from the second memory element 23, and controls this radio transmitting unit 24 and launch a radio signal comprising this unique identifier and this iris image.The radio reception unit 15 of this vehicle 10 is used for receiving this radio signal, and obtain this unique identifier and this iris image from this radio signal, and from this first memory element 14, read this default ID to compare with this unique identifier, read this default iris image to compare with this iris image, if this unique identifier mates this default ID and this iris image mates this default iris image, then this vehicle 10 is unlocked, otherwise, this vehicle 10 is not unlocked.Specifically:
This first control module 11 includes electric current sending module 111, authentication module 113 and vehicle unlocked state 115.
This second control module 21 includes current receiv module 211, current conversion module 213 and information sending module 214.
This electric current sending module 111 is electrically connected between this power subsystem 12 and this transmitting coil 13, and this electric current sending module 111 is for receiving the electric energy provided by this power subsystem 12, and controls this transmitting coil 13 and the form that electric energy radiates with wireless electromagnetic sent.
This current receiv module 211 is electrically connected to this receiving coil 22, and for receiving, by this receiving coil 22, the electric energy radiated by this transmitting coil 13, the form specifically by electromagnetic induction makes receiving coil 22 produce faradic current, and this faradic current is alternating current.
This current conversion module 213 is for being converted to unidirectional current by the electric energy of this reception, and powers for this power-free Intelligent key 20, as this power-free Intelligent key 20 is equipped with battery.
This iris identification unit 25 scans the eyes of a user to identify the iris image of this user, and is stored in by this iris image in this second memory element 23.
This information sending module 214 is electrically connected to this second memory element 23 and this radio transmitting unit 24, after being powered at this power-free Intelligent key 20, from this second memory element 23, read this unique identifier and this iris image, and control radio transmitting unit 24 and launch a radio signal comprising this unique identifier and this iris image.
This authentication module 113 is electrically connected between this radio reception unit 15 and this first memory element 14, this authentication module 113 is for receiving this radio signal by this radio reception unit 15, from this radio signal, obtain this iris image, and read this default ID to compare with this unique identifier and this default iris image is to compare with this iris image from this first memory element 14.
This vehicle unlocked state 115 is electrically connected to this authentication module 113, and this vehicle unlocked state 115 is when this authentication module 113 determines that this unique identifier mates this default ID and this iris image mates this default iris image, control this vehicle 10 to be unlocked, determine that this unique identifier does not mate this default ID at this authentication module 113, or when this iris image does not mate this default iris image, do not control this vehicle 10 and be unlocked.
It is appreciated that, in the present embodiment, this the first control module 11 may also include one first current stabilization module 112, this the first current stabilization module 112 is electrically connected between this power subsystem 12 and this electric current sending module 111, this the first current stabilization module 112 carries out current stabilization for the electric current provided this power subsystem 12 to this electric current sending module 111, prevent electric current instantaneous excessive, and burn each electronic component of vehicle 10.
It is appreciated that, in the present embodiment, this the first control module 11 may also include a light emitting control module 114, this vehicle 10 may also include a luminescence unit 16, this light emitting control module 114 is electrically connected between this authentication module 113 and this luminescence unit 16, and this light emitting control module 114 is when this authentication module 113 determines that this unique identifier mates this default ID and this iris image mates this default iris image, control this luminescence unit 16 and send the light of a kind of color to point out user to be proved to be successful, determine that this unique identifier does not mate this default ID at this authentication module 113, or when this iris image does not mate this default iris image, control this luminescence unit 16 and send the light of another kind of color to point out user's authentication failed.
It is understood that in the present embodiment, this second control module 21 may also include the second current stabilization module 212, and this second current stabilization module 212 is electrically connected between this current receiv module 211 and current conversion module 213.This second current stabilization module 212, for this received electric current of current receiv module 211 is carried out current stabilization, prevents electric current instantaneous excessive, and burns each electronic component of power-free Intelligent key 20.
It is understood that in other embodiments, if the electric energy that the receiving coil 22 of this power-free Intelligent key 20 receives is unidirectional current, then this current conversion module 213 can be omitted.
It is understood that this unique identifier above-mentioned matches with this default ID, it " mates ", can be that this unique identifier is identical with this default ID or the most corresponding;This iris image above-mentioned matches with this default iris image, and it " mates ", can be that this iris image is completely the same with this default iris image, it is also possible to be this iris image with this default iris image in error allowed band consistent.
It is understood that above-mentioned about this power-free Intelligent key 20 be identified code checking process can omit, this information sending module 214 controls radio transmitting unit 24 and launches a radio signal only comprising this iris image.This authentication module 113 only verifies whether this iris image matches with this default iris image.This vehicle unlocked state 115, when determining that this iris image mates this default iris image, controls this vehicle 10 and is unlocked, and when determining that this iris image does not mate this default iris image, does not control this vehicle 10 and is unlocked.This light emitting control module 114 is when determining that this iris image mates this default iris image, control this luminescence unit 16 and send the light of a kind of color to point out user to be proved to be successful, when determining that this iris image does not mate this default iris image, control this luminescence unit 16 and send the light of another kind of color to point out user's authentication failed.
Refer to Fig. 2, for the flow chart of unlocking method of vehicle in an embodiment of the present invention.This unlocking method of vehicle is applied on a kind of vehicle system for unlocking S1 as shown in Figure 1, this vehicle system for unlocking S1 includes vehicle 10 and power-free Intelligent key 20, and this vehicle 10 includes the first control module 11, power subsystem 12, transmitting coil the 13, first memory element 14 and radio reception unit 15.This first control module 11 includes electric current sending module 111, authentication module 113 and vehicle unlocked state 115.This power-free Intelligent key 20 includes the second control module 21, receiving coil the 22, second memory element 23, radio transmitting unit 24 and iris identification unit 25.This second control module 21 includes current receiv module 211, current conversion module 213 and information sending module 214.
This unlocking method of vehicle comprises the steps:
Step 201: electric energy is sent by this vehicle 10 in real time in the form of electromagnetic radiation.Specifically, this electric current sending module 111 receives the electric energy provided by this power subsystem 12, and controls this transmitting coil 13 and sent in the form of electromagnetic radiation by electric energy.
Step 202: this power-free Intelligent key 20 receives this electric energy within this vehicle 10 1 predeterminable range time.Specifically, this current receiv module 211 receives, with the form of electromagnetic induction, the electric energy radiated by this transmitting coil 13 by this receiving coil 22.
Step 203: this electric energy is converted to unidirectional current by this power-free Intelligent key 20, to power to this power-free Intelligent key 20 and to start working.Specifically, the electric energy of this reception is converted to unidirectional current by this current conversion module 213, and powers for this power-free Intelligent key 20, and this power-free Intelligent key 20 being is started working.
Step 204: this power-free Intelligent key 20 scans the eyes of a user to identify the iris image of this user, and stores this iris image.Specifically, the iris identification unit 25 of this power-free Intelligent key 20 first looks for the pupil center of the eyes of a user to carry out Pupil diameter, then these eyes are carried out iris region acquisition, and carry out iris feature extraction to obtain the iris image of this user according to the iris region image captured, and this iris image is stored in this second memory element 23.
Step 205: this power-free Intelligent key 20 launches a radio signal comprising this iris image.Specifically, this information sending module 214 reads this iris image from this second memory element 23, and controls radio transmitting unit 24 and launch a radio signal comprising this iris image.
Step 206: this vehicle 10 receives this radio signal to obtain this iris image, and compared with the default iris image that this vehicle 10 prestores, if this iris image matches with this default iris image, then enter step 207, otherwise, terminate.Specifically, this authentication module 113 receives this radio signal by this radio reception unit 15, this iris image is obtained from this radio signal, and read this default iris image to compare with this iris image from this first memory element 14, judge whether this iris image mates this default iris image, the most then enter step 207, otherwise, terminate.
Step 207: this vehicle 10 is unlocked.Specifically, this vehicle unlocked state 115 controls this vehicle 10 and is unlocked.
Owing to iris is a kind of extremely fixing biological characteristic, do not wear and tear, the most aging, not by sickness influence, be difficult to be forged, can be prevented effectively from that transmission signal is intercepted to be stolen, and when the dead battery of Intelligent key, still can realize user and verify and unlock vehicle, have great convenience for the user.
It addition, those skilled in the art can also do other changes, certainly, these changes done according to present invention spirit in spirit of the present invention, all should be included in scope of the present invention.