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 element;Receiving coil;Current receiv module, this current receiv module is electrically connected to this receiving coil, is used for controlling this receiving coil and receives by a vehicle with wireless electromagnetic forms of radiation radiation electric energy to power to this power-free Intelligent key, makes this power-free Intelligent key start working;Palmmprint acquiring unit, is used for obtaining palmprint image, and is stored in this memory element by this palmprint image;And information sending module, the radio signal comprising this palmprint image for controlling this radio transmitting element to send is to this vehicle, by this palmprint image, this vehicle can verify whether this power-free Intelligent key and this vehicle mate, and be unlocked when matching in this power-free Intelligent key and this vehicle.
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 unit and vehicle solution lock unit, this first memory element presets palmprint 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 palmmprint acquiring unit, the second memory element, radio transmitting element, receiving coil, current receiv module and information sending module, this palmmprint acquiring unit is used for obtaining palmprint image, and is stored in by this palmprint 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 palmprint image for controlling this radio transmitting element to send is to this vehicle;According to this palmprint image, this authentication unit is for verifying whether this power-free Intelligent key and this vehicle mate, this vehicle, for when this power-free Intelligent key and this vehicle match, is unlocked by this vehicle solution lock unit.
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 palmprint 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 when away from this vehicle one predeterminable range interior;This power-free Intelligent key is used for obtaining palmprint image, and is stored in this memory element by this palmprint image;This power-free Intelligent key launches a radio signal comprising this palmprint image;This radio signal of this vehicle receiver is to obtain this palmprint image, and compared with the default palmprint image that this vehicle prestores;If this default palmprint image matches with this palmprint image, then this vehicle is unlocked.
By to the identification of palmprint image and identification, it is possible to be prevented effectively from that transmission signal is intercepted to be stolen, and when the dead battery of this power-free Intelligent key, still can realize user and verify and unlock vehicle, have great convenience for the user.
Detailed description of the invention
Function unit figure please also refer to the vehicle system for unlocking S1 that Fig. 1, Fig. 1 are an embodiment of the present invention.Vehicle system for unlocking S1 includes vehicle 10 and power-free Intelligent key 20.
Vehicle 10 includes the first control unit 11, power subsystem 12, transmitting coil the 13, first memory element 14, radio reception unit 15, authentication unit 17 and vehicle solution lock unit 18.First control unit 11 is electrically connected in power subsystem 12 and transmitting coil 13.Authentication unit 17 is electrically connected in the first memory element 14, radio reception unit 15 and vehicle solution lock unit 18.
First memory element 14 presets palmprint 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 default palmprint image is the palmprint image data of the user of vehicle 10, and it comprises the data such as the streakline feature of palmmprint, some feature, textural characteristics, geometric properties.Certainly, the first memory element 14 can access the default palmprint image data of some different personages.
Power-free Intelligent key 20 includes the second control unit 21, receiving coil the 22, second memory element 23, radio transmitting element 24 and palmmprint acquiring unit 25.Second control unit 21 is electrically connected to receiving coil the 22, second memory element 23, radio transmitting element 24 and palmmprint acquiring unit 25.
Palmmprint acquiring unit 25 is for obtaining the palmprint image of user.
Second memory element 23 is for storing the palmprint image acquired in palmmprint acquiring unit 25 and the unique identifier of power-free Intelligent key 20.
First control unit 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.Receiving coil 22 is for receiving, when away from transmitting coil 13 1 predeterminable range interior, the electric energy radiated by transmitting coil 13, wherein, this electric energy is for powering for this power-free Intelligent key 20, now, power-free Intelligent key 20 is equivalent to connect a power supply, thus, power-free Intelligent key 20 just can start normally to work.Then, palmmprint acquiring unit 25 is by the palmprint image of photographic head shooting user, and is stored in by this palmprint image in the second memory element 23;Second control unit 21 reads this unique identifier and this palmprint image from the second memory element 23, and controls radio transmitting element 24 and launch a radio signal comprising unique identifier and this palmprint image.The radio reception unit 15 of vehicle 10 is used for receiving this radio signal.Authentication unit 17 obtains this unique identifier and this palmprint image from this radio signal, and compare this unique identifier and the first memory element 14 store default ID, this palmprint image is compared with the default palmprint image of storage in this first memory element 14, if this unique identifier mates this default ID and this palmprint image mates this default palmprint image, then this vehicle 10 is unlocked, otherwise, vehicle 10 is not unlocked.Specifically:
First control unit 11 includes electric current sending module 111 and the first current stabilization module 112.Electric current sending module 111 is electrically connected between power subsystem 12 and transmitting coil 13, and electric current sending module 111 is for receiving the electric energy provided by power subsystem 12, and controls transmitting coil 13 and the form that electric energy radiates with wireless electromagnetic sent.First current stabilization module 112 is electrically connected between power subsystem 12 and electric current sending module 111, 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.
Second control unit 21 includes current receiv module 211, current conversion module 213 and information sending module 214.Second control unit 21 is electrically connected with receiving coil the 22, second memory element 23, radio transmitting element 24 and palmmprint acquiring unit 25 respectively.
Current receiv module 211 is electrically connected to receiving coil 22, and for receiving, by receiving coil 22, the electric energy radiated by transmitting coil 13, the form specifically by electromagnetic induction makes receiving coil 22 produce faradic current, and this faradic current is alternating current.
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, makes this power-free Intelligent key 20 start working.
Palmmprint acquiring unit 25 for comprising the photo of user's palmprint image by a photographic head shooting, and this photo processes to obtain the palmprint image of this user, and is stored in by this palmprint image in the second memory element 23.
Information sending module 214 is electrically connected to this second memory element 23 and radio transmitting element 24, after being powered at power-free Intelligent key 20, from the second memory element 23, read this unique identifier and this palmprint image, and control radio transmitting element 24 and launch a radio signal comprising this unique identifier and this palmprint image.
Authentication unit 17 is electrically connected to this radio reception unit 15 and the first memory element 14.After radio reception unit 15 receives this radio signal, authentication unit 17 obtains this unique identifier and this palmprint image from this radio signal, and reads this default ID to compare and to read this default palmprint image to compare with this palmprint image with this unique identifier from this first memory element 14.Specifically, authentication unit 17 includes image processing module 171, characteristic extracting module 173, personal recognition module 177 and identification code comparing module 179.
Image processing module 171 in order to carry out a series of process such as reinforcement contrast, GTG process, illumination correction to this palmprint image.
Characteristic extracting module 173 is used to the palm print characteristics data such as the relevant streakline feature of the palmprint image extracting data palmmprint after processing, some feature, textural characteristics, geometric properties.
Personal recognition module 177 is in order to compare the default palmprint image characteristic that obtained palm print characteristics data and the first memory element 14 store, it is judged that whether this palmprint image matches with this default palmprint image.
Identification code comparing module 179 is used for obtaining this unique identifier, and reads this default ID to compare with this unique identifier from this first memory element 14.
It is understood that authentication unit 17 can use other method that this palmprint image is identified checking, it is judged that whether this palmprint image mates with default palmprint image.
Vehicle solution lock unit 18 is when personal recognition module 177 determines that this palmprint image mates this default palmprint image and this identification code comparing module 179 determines that this unique identifier mates this default ID, control this vehicle 10 to be unlocked, determine that this unique identifier does not mate this default ID in this identification code comparing module 179, or identification code comparing module 179 determines when this palmprint image does not mate this default palmprint image, do not control this vehicle 10 and be unlocked.
It is appreciated that, in the present embodiment, this first control unit 11 includes a light emitting control module 114, vehicle 10 also includes a luminescence unit 19, light emitting control module 114 is electrically connected between vehicle solution lock unit 18 and luminescence unit 19, and light emitting control module 114 is when vehicle solution lock unit 18 determines unblock, control luminescence unit 19 and send the light of a kind of color to point out user to unlock successfully, when vehicle solution lock unit 18 determines that unblock is unsuccessful, control luminescence unit 19 and send the light of another kind of color to point out user to unlock failure.It is appreciated that, light emitting control module 114 can be with between connectivity verification unit 17 and luminescence unit 19, in time determining that this palmprint image mates this default palmprint image, light emitting control module 114 controls luminescence unit 19 and sends the light of a kind of color to point out user to be proved to be successful, in time determining that palmprint image does not mate this default palmprint image, control luminescence unit 19 and send the light of another kind of color to point out user's authentication failed.
It is understood that in the present embodiment, the second control unit 21 also includes that the second current stabilization module 212, the second current stabilization module 212 are electrically connected between this current receiv module 211 and current conversion module 213.This second current stabilization module 212 carries out current stabilization for the electric current receiving this current receiv module 211, 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 " coupling " that this unique identifier above-mentioned matches with this default ID, can be that this unique identifier is identical with this default ID or the most corresponding;" coupling " that this palmprint image above-mentioned matches with this default palmprint image, can be that this palmprint image is completely the same with this default palmprint image, it is possible to for this palmprint image and this default palmprint 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, information sending module 214 controls radio transmitting element 24 and launches a radio signal only comprising this palmprint image.This authentication unit 17 verifies whether this palmprint image matches with this default palmprint image.Vehicle solution lock unit 18, when determining that this palmprint image mates this default palmprint image, controls this vehicle 10 and is unlocked, and when determining that this palmprint image does not mate this default palmprint image, does not control this vehicle 10 and is unlocked.Light emitting control module 114 is in time determining that this palmprint image mates this default palmprint image, control this luminescence unit 19 and send the light of a kind of color to point out user to unlock successfully, in time determining that palmprint image does not mate this default palmprint image, control luminescence unit 19 and send the light of another kind of color to point out user to unlock failure.
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, vehicle system for unlocking S1 includes vehicle 10 and power-free Intelligent key 20, and this vehicle 10 includes the first control unit 11, power subsystem 12, transmitting coil the 13, first memory element 14, radio reception unit 15, authentication unit 17 and vehicle solution lock unit 18.First control unit 11 includes electric current sending module 111 and the first current stabilization module 112.First control unit 11 is electrically connected in power subsystem 12 and transmitting coil 13.Authentication unit 17 is electrically connected in the first memory element 14, radio reception unit 15 and vehicle solution lock unit 18.Power-free Intelligent key 20 includes the second control unit 21, receiving coil the 22, second memory element 23, radio transmitting element 24 and palmmprint acquiring unit 25.Second control unit 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 vehicle 10 in real time in the form of electromagnetic radiation.Specifically, electric current sending module 111 receives the electric energy provided by power subsystem 12, and controls transmitting coil 13 and sent in the form of electromagnetic radiation by electric energy.
Step 202: power-free Intelligent key 20 receives this electric energy when away from this vehicle 10 1 predeterminable range interior.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 power-free Intelligent key 20, to power to power-free Intelligent key 20 and to start working.Specifically, the electric energy of this reception is converted to unidirectional current by current conversion module 213, and powers for power-free Intelligent key 20, and power-free Intelligent key 20 is started working.
Step 204: palmmprint acquiring unit 25 obtains the palmprint image of user by photographic head, and by this palmprint image data transmission and be stored in this second memory element 23.
Step 205: power-free Intelligent key 20 launches a radio signal comprising this palmprint image.Specifically, information sending module 214 reads this palmprint image from this second memory element 23, and controls radio transmitting element 24 and launch a radio signal comprising this palmprint image.
Step 206: this vehicle 10 receives this radio signal to obtain this palmprint image, and compared with the default palmprint image that this vehicle 10 prestores, judge whether this default palmprint image matches with this palmprint image, if this default palmprint image matches with this palmprint image, then enter step 207, otherwise, terminate.Specifically, authentication unit 17 is received this palmprint image by radio reception unit 15 and this palmprint image is carried out image procossing and carries out feature extraction, and the default palm print data that the palm print characteristics template data obtained and the first memory element 14 store is compared, judge whether this palmprint image is consistent with this default palmprint image coupling, if being consistent, then enter step 207, otherwise, terminate.
Step 207: this vehicle 10 is unlocked.Specifically, this vehicle solution lock unit 18 controls this vehicle 10 and is unlocked.
Owing to personal recognition is not required to direct touch sensor, be sanitary and safe, the most accepted by the public, and palmmprint be difficult to forge, simple and quick.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 change, certainly, these changes done according to present invention spirit in the present invention, all should be included in scope of the present invention.