The utility model content
The technical problem that (one) will solve
The technical problem that the utility model will solve is: a kind of security cabinet unlocking system based on vein identification is provided, high, the perfect in shape and function of its reliability, the efficient of unblanking height.
(2) technical scheme
For addressing the above problem, the utility model provides a kind of security cabinet unlocking system based on vein identification, comprising: authenticate device and the vein recognition device that is connected with said authenticate device, user data storing means and lockset drive unit; Wherein,
Said vein recognition device is used to gather user's vein image information and sends to said authenticate device;
Said user data storing means, the vein data that are used to store security cabinet validated user;
The authentication of comparing of said authenticate device, the vein data that are used to read said vein image information and said validated user, and when authentication success, send the information of unblanking to said lockset drive unit;
Said lockset drive unit is used for opening or cutting out according to the said information-driven security cabinet lock of unblanking.
Preferably, said system also comprises log device, is connected with said authenticate device, is used to write down the information of authentication success.
Preferably, said system also comprises warning device, is connected with said authenticate device and to be arranged at said security cabinet inner, is used for when accumulative total authentification failure number of times reaches predetermined threshold, sending alarm signal.
Adopt internal alarm, when dead electricity, also warning function can be provided.
Preferably, said system also comprises human-computer interaction device, is used for user profile input and system information output.
Preferably, said system also comprises uninterrupted power source UPS.
Preferably, said vein recognition device is the intravenous sensor based on the infrared photography principle.
Said intravenous sensor stability based on the infrared photography principle is high, the vein transfer ability of data is good, acquisition module does not contact with human body and the degree of accuracy high.
Preferably, said user data storing means is a solid-state memory.
Gather and adopt solid-state memory, can store a large number of users data and various operation note and also not fragile, guaranteed safety of data.
Preferably, said security cabinet comprises: safety cabinet and rifle cabinet.
Preferably, said authenticate device comprises the mainboard that is installed in the security cabinet.
Preferably, said warning device is an alarm bell.
(3) beneficial effect
The utility model adopts the vein recognition device to gather user's vein image information; Compare with the vein image data of validated user of storage and to differentiate user's identity, have very high reliability, the utility model is controlled security cabinet lock through authenticate device according to authentication result; Has the higher efficient of unblanking; The utility model can also be provided with warning device, and for the user provides warning function, function is comparatively perfect.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail.Following examples are used to explain the utility model, but are not used for limiting the scope of the utility model.
As shown in Figure 1, the said security cabinet unlocking system based on vein identification of the utility model comprises: authenticate device and the vein recognition device that is connected with said authenticate device, user data storing means and lockset drive unit; Wherein,
Said vein recognition device is used to gather user's vein image information and sends to said authenticate device;
Said user data storing means, the vein data that are used to store security cabinet validated user;
The authentication of comparing of said authenticate device, the vein data that are used to read said vein image information and said validated user, and when authentication success, send the information of unblanking to said lockset drive unit;
Said lockset drive unit is used for opening or cutting out according to the said information-driven security cabinet lock of unblanking.
Wherein, Authenticate device is realized through being installed in the inner mainboard of security cabinet (safety cabinet or rifle cabinet): authenticate device is the most crucial parts of fundamental sum of whole security cabinet unlocking system; Mainboard can be searched for than reciprocity data the vein image that intravenous sensor transmits, and is responsible for and the communicating by letter of system's miscellaneous part; Mainboard can comprise CPU primary processor, BIOS, I/O chip; Preferred adopted Intel Pentium M CPU integrated and the technical grade mainboard of 2G internal memory.
User data storing means can be by the CF that is connected with mainboard (Compact Flash; Dodge card) realize; Be stored with in advance the user data (ID and vein image information) of gathering/obtaining and drive the program that mainboard is carried out data and communicated by letter; These user data and program can comprise the increase and the deletion of validated user by caretaker's updated at any time or modification.
Owing to used solid-state memory, can store a large number of users data and also not fragile, so it can also serve as log device, be used for authentication storage information (authenticated ID, authenticated time etc.) and user's various operations.
The lockset drive unit realizes that by the executing agency of unblanking it is connected with mainboard, the unlocking signal of mainboard is zoomed into can satisfy electronic lock and open the signal that requires, with the unlatching of driving electronic lock or close.Can adopt USB mini-B that the vein recognition device is connected with mainboard.
Preferably, system also comprises log device, is connected with said authenticate device, is used to write down the information of authentication success.
Preferably, system also comprises warning device, is connected with said authenticate device and to be arranged at said security cabinet inner, is used for when accumulative total authentification failure number of times reaches predetermined threshold, sending alarm signal.
For example: as shown in Figure 2, warning device can be realized through the alarm bell that is connected with mainboard.In addition, standby electric power can also be set, even warning device is reported to the police.
Preferably, system also comprises human-computer interaction device, is used for user profile input and system information output.
For example: as shown in Figure 2, human-computer interaction device can be firm and hard existing through the liquid crystal display, keyboard, the Keyboard Control that are connected with mainboard.Wherein, liquid crystal is the display terminal of whole system, can adopt RS232 to realize communicating by letter between liquid crystal display and the mainboard, and mainboard will content displayed be delivered to the liquid crystal end through RS232; Keyboard is the input equipment of whole system, can adopt the 6*6 matrix keyboard, converts the key assignments of matrix keyboard to data that the PS2 interface can receive through special circuit.
Preferably, system also comprises uninterrupted power source UPS.
UPS (Uninterruptible Power Supply, uninterrupted power source), the system that can guarantee is still can operate as normal after the dead electricity more than 36 hours.The utility model can also adopt AC220V 50Hz alternating current as input, and the direct current that can the civil power of 220V be converted to 5V through the power module (power supply changeover device) that is connected with mainboard provides electric energy to be used to whole system.
Preferably, said vein recognition device is the intravenous sensor based on the infrared photography principle.
The vein recognition device can realize that intravenous sensor is gathered vein based on the infrared photography principle through intravenous sensor, has that vein data acquisition stability is high, the vein transfer ability of data is good, acquisition module does not contact and degree of accuracy advantages of higher; The preferred Palm Secure of the Fujitsu sensor that adopts.
Erythrocytic ferroheme has lost oxygen in the human vein, and this reduced heme can absorb specific near infrared light.Therefore, when using near infrared light irradiation human body, have only vein segment to have faint reflection, thereby form dim image.Vein is hidden in 3 millimeters depths below the skin, belongs to inside of human body information, and extremely difficulty is duplicated; And vein image possesses live body and detects function, can't usurp, that is: the vein of no blood flow can't obtain image; In addition, the vein quantity in the human body is many, lines are complicated, forms individual difference easily, may be read into more stable information, realizes high-precision identification thus.Through experimental verification, my reject rate of vein identification is 0.001% (100,000/), and other people receptance is 0.00008% (8/10000000ths), can satisfy higher security requirement.
Preferably, said user data storing means is a solid-state memory.
Preferably, said security cabinet comprises: safety cabinet and rifle cabinet.
As shown in Figure 3, the function that this system can realize comprises: comprise that the user registers, the user unblanks, the user has a guide look of, user's deletion, log query, time setting, initialization, burglar alarm and power failure emergency processing.System provides domestic consumer and two kinds of enrollment statuses of administrator, and these two types of users (legal) can open security cabinet lock, but administrator's authority is more, can use greater functionality.When the user was for the first time by unlock key after the security cabinet dispatched from the factory; System will require the user that the position that health has vein is registered; And to give tacit consent to this user be the administrator, and later administrator can utilize the vein data of oneself to carry out user management, and can factory reset.The validated user of registration is defaulted as domestic consumer after the caretaker.
User's unlocking function comprises: through intravenous sensor collection user's venous information, authenticate device identification user identity is if the registered user just can beat cabinet lock through authentication; If user's afferent veins information continuous several times, for example, three times through authentication, then thinks the disabled user and reports to the police through warning device, and reporting to the police continues preset time, for example, one minute, does not stop to report to the police because of input registered user venous information.Can add corresponding daily record to log device after the user successfully unblanks, comprise uncaging time and unblank ID, for inquiry.User's guide look, user's deletion, log query, time setting and function of initializing only administrator can use.Wherein, the user has a guide look of function and comprises: for the administrator provides the id information of all registered users, that is: and data in the invoke user data storage device and appear through human-computer interaction device; User's delete function comprises: specify information of registered users through the human-computer interaction device deletion; The log query function comprises: can be through reading the operation note of stored log inquiring user in the log device; Time is provided with function and comprises: the time that system is set through human-computer interaction device; Function of initializing is only carried out by the caretaker after opening the security cabinet, can empty all information of registered users through human-computer interaction device.In addition, the utility model system can automatically switch to standby electric power (UPS) when running into the burst power failure.
Specifically, when the user desires to open the security cabinet, press unlock key, the position and placed that can the prompting user on the liquid crystal of human-computer interaction device will have vein to health is at the vein identified region.At this moment, the vein recognition device is activated automatically, gathers this user's venous information, and is sent to the CPU on the mainboard through USB; CPU searches for comparison with the venous information of the registered users of storing among this venous information and the CF, judges whether it is the registered user, if, then send unlock instruction, drive electronic lock through the executing agency of opening the door and open, add daily record simultaneously; If the user is not registered validated user, then point out the user authentication again; When user's venous information N continuous time, for example three times can't be through authentication the time, CPU will send alarm command to warning device, the generation alarm signal.
Above embodiment only is used to explain the utility model; And be not the restriction to the utility model; The those of ordinary skill in relevant technologies field under the situation of spirit that does not break away from the utility model and scope, can also be made various variations and modification; Therefore all technical schemes that are equal to also belong to the category of the utility model, and the scope of patent protection of the utility model should be defined by the claims.