CN107826914A - A kind of terraced control system using iris recognition - Google Patents
A kind of terraced control system using iris recognition Download PDFInfo
- Publication number
- CN107826914A CN107826914A CN201711232716.4A CN201711232716A CN107826914A CN 107826914 A CN107826914 A CN 107826914A CN 201711232716 A CN201711232716 A CN 201711232716A CN 107826914 A CN107826914 A CN 107826914A
- Authority
- CN
- China
- Prior art keywords
- circuit
- cortex
- iris
- above arm
- lcd display
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
- B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B2201/00—Aspects of control systems of elevators
- B66B2201/40—Details of the change of control mode
- B66B2201/46—Switches or switchgear
- B66B2201/4607—Call registering systems
- B66B2201/4638—Wherein the call is registered without making physical contact with the elevator system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B2201/00—Aspects of control systems of elevators
- B66B2201/40—Details of the change of control mode
- B66B2201/46—Switches or switchgear
- B66B2201/4607—Call registering systems
- B66B2201/4661—Call registering systems for priority users
- B66B2201/4669—Call registering systems for priority users using passenger condition detectors
Abstract
The present invention proposes a kind of terraced control system using iris recognition,Including power supply,Power driving circuit,Iris capturing circuit,SD card,SD card interface circuit,Cortex A8 above arm processors,LCD display circuit,LCD display,Audio output circuit,Loudspeaker,Power supply is connected by power driving circuit with cortex A8 above arm processors,Iris capturing circuit is connected with cortex A8 above arm processors,SD card is connected by SD card interface circuit with cortex A8 above arm processors,Intercommunication visual information is transferred to LCD display by cortex A8 above arm processors by LCD display circuit,Audio prompt is spread out of by loudspeaker by audio output circuit,Cortex A8 above arm processors are controlled to the logic communication between iris recognition and circuit,Cortex A8 above arm processor configures near infrared light led cameras,Visitor carries out iris image extraction and digitized processing.
Description
Technical field
The present invention relates to a kind of terraced control system using iris recognition, belong to third generation technical field of biometric identification.
Background technology
Elevator is applied more and more extensive in daily life, with the aged development of population, inside some lift cars
Except there is common floor call operation panel, the special disability call operation panel of physical disabilities is also equipped with.Common floor call
Operation panel and disability call operation panel are had any different in some function settings, such as the disability call operation panel when there is button call
Open the door that the retention time in place, the retention time was long in place than the enabling of common call operation panel.In addition, some carry two doors
The car at (such as front door and back door), may there are 4 or more operation panels inside lift car.
In the prior art, it is most of using card managing, it is more advanced to be verified using biotechnology
Management, and iris recognition biotechnology has just developed in this field.When carrying out authentication with iris, acquisition is iris
Characteristics of image, refer to feature existing for ability during live body.Within the system, the pupil of non-living body is to cannot get iris image feature
, thus None- identified, so as to also can not just fake.When carrying out authentication with iris, acquisition is iris inside pupil
Characteristics of image, rather than the characteristics of image on pupil surface.Thus, there is no any due to the damage, abrasion, drying on pupil surface
Or the cognitive disorders brought such as overly wet.Authentication is carried out with iris, when obtaining hand iris image, pupil need not connect with equipment
Touch, gently one put, you can complete identification.Antihygienic problem and pupil surface when this mode does not have a hand contact arrangement is special
Sign may be replicated caused safety problem, and avoid the Psychological inadaptability for being taken as and examining object, while also will not be because dirty
None- identified after thing pollution.For hand iris mode because iris is located inside pupil, the influence degree of the external factor such as temperature can be with
Ignore, be suitable for almost all users.User's acceptance is good.Except without with scanner surface occur directly contact with
Outside, the scanning process of this Noninvasive not only it is simple again naturally, alleviate user due to worry sanitation degree or using trouble and
Resisting psychology that may be present.Because the feature of the vivo identification, internal feature and contactless 3 aspects before having, really
The iris feature for having protected user is difficult to be forged.So iris authentication system safe class is high, particularly suitable for safety requirements
High place uses.But it there is problems in the prior art to be solved：(1) belong to interior physiological characteristic, will not wear, compared with
Hardly possible is forged, and has very high security.(2) blood vessel feature generally becomes apparent from, and is easily discernible, and anti-interference is good.(3) non-connect can be achieved
Touch measures, and wholesomeness is good, is easy to receive for user.(4) it is not easy to be influenceed by watch face scar or greasy dirt.Above technology is present
The shortcomings that be：Collecting device has particular/special requirement, and design is relative complex, and manufacturing cost is high.
The content of the invention
The purpose of the present invention.
The present invention in elevator controlling exactly in order to realize convenient and safe using effect, and the one kind proposed uses iris
The terraced control system of identification.
The technical solution adopted in the present invention.
A kind of terraced control system using iris recognition, including power supply, power driving circuit, iris capturing circuit, SD card,
SD card interface circuit, more than cortexA8 arm processors, LCD display circuit, LCD display, audio output circuit, loudspeaker, electricity
Source is connected by power driving circuit with more than cortexA8 arm processors, iris capturing circuit and more than cortexA8 ARM
Processor is connected, and SD card is connected by SD card interface circuit with more than cortexA8 arm processors, at more than cortexA8 ARM
Intercommunication visual information is transferred to LCD display by reason device by LCD display circuit, is led to audio prompt by audio output circuit
Loudspeaker outflow is crossed, more than cortexA8 arm processors are controlled to the logic communication between iris recognition and circuit,
More than cortexA8 arm processors configure near infrared light led cameras, and visitor carries out iris image extraction and digitized processing,
Wherein iris recognition follows the steps below：
The first step, training and projection iris image, obtain the iris image of five candidates, training obtains by the matching of grader
Optimized image feature；
Optimal test image is found in five candidate's iris images in second step, grader；
3rd step, counted out by matching key to determine to verify criterion, the count out iris descriptor of maximum of setting matching is most
Possible item, by characteristic matching, obtain target iris image.
Preferably, described power module:12V dc source is provided for access controller circuit system；Ethernet connects
Mouthful:It is responsible for the information transfer of remote network control, while downstream interface is provided for intelligent domestic gateway；Voice module:According to rainbow
Film recognition result and access control information, voice reminder information is sent to disengaging personnel；Push-button interface:Opening the door, it is true to ask and open the door
The push-botton operation recognized, low and high level signal is sent by I/O interfaces.
Preferably, the voicefrequency circuit mainly includes input and the output processing circuit of audio.Due to audio output signal
It is the analog signal that voltage is more than ten millivolts, thus power amplifier need to be first passed through and carry out gain-adjusted, and A/D change-over circuits is turned
Digital audio and video signals after changing are sent to control chip.
Preferably, the voltage of more than cortexA8 arm processors obtains 5V by power supply adaptor transformation, and by 5V voltages
Obtained by low difference voltage regulator AS1117AR-3.3V partial pressures, and its voltage is carried out by voltage stabilizing processing by electric capacity, so as to
Ensure to provide stable 3.3V voltages for each component and interface and provide 1.8V and 2.5V voltages for camera module.
1st, beneficial effects of the present invention：
Iris biological identification technology is used by the present invention, can accurately identify user identity, and reaction speed is within 2s,
The more place of number is suitable for, improves the degree of accuracy and the efficiency of iris recognition.
Brief description of the drawings：
Fig. 1 is the structural representation of terminal of the present invention；
Fig. 2 is PC card sender structural representations；
Fig. 3 apparatus for controlling elevator.
Embodiment：
Terraced control system passes through iris ladder control system, typing iris.When iris capturing unit 3 is abnormal, CPU will switch to iris to record
Enter system, combined by both terraced control system alternate runs and with image ladder control system, after by iris, simultaneously
CPU recalls image in resource data pond in contrast, and image similarity reaches ability typing ladder control information after preset value, and ladder control is more
Memberization, validation, accuracy.
Terraced control system in the present invention can flexibly be selected also by iris capturing unit when installing, using according to actual conditions
The typing mode of terraced control system is selected, and during the iris capturing unit normal operation, it can be sent and carried by voice broadcast unit
Show, it is convenient that librarian use is controlled by ladder.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-described embodiment,
All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
For those of ordinary skill, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (6)
- A kind of 1. terraced control system using iris recognition, it is characterised in that：Including power supply, power driving circuit, iris capturing electricity Road, SD card, SD card interface circuit, cortex A8 above arm processor, LCD display circuit, LCD display, audio output electricity Road, loudspeaker, power supply are connected by power driving circuit with cortex A8 above arm processors, iris capturing circuit and cortex More than A8 arm processors are connected, and SD card is connected by SD card interface circuit with cortex A8 above arm processors, cortex Intercommunication visual information is transferred to LCD display by more than A8 arm processors by LCD display circuit, passes through audio output circuit Audio prompt is spread out of by loudspeaker, cortex A8 above arm processors enter to the logic communication between iris recognition and circuit Row control, cortex A8 above arm processor configuration camera, iris image extraction and digitlization are carried out to resident family and visitor Processing.
- A kind of 2. terraced control system using iris recognition according to claim 1, it is characterised in that：Ethernet interface:It is negative Blame the information transfer of remote network control；Read the information of cortex A8 above arm processor iris recognitions；Known according to iris Other result and elevator controling information, voice reminder information is sent to disengaging personnel.
- A kind of 3. terraced control system using iris recognition according to claim 1, it is characterised in that：The voicefrequency circuit master To include input and the output processing circuit of audio, because audio output signal is the analog signal that voltage is more than ten millivolts, because And power amplifier need to be first passed through and carry out gain-adjusted, and the digital audio and video signals after the conversion of A/D change-over circuits are sent to control Chip.
- A kind of 4. terraced control system using iris recognition according to claim 1, it is characterised in that：More than cortex A8 The voltage of arm processor obtains 5V by power supply adaptor transformation, and 5V voltages are passed through into low difference voltage regulator AS1117AR-3.3V partial pressures are obtained, and its voltage is carried out into voltage stabilizing processing by electric capacity, so as to ensure as each component and interface Stable 3.3V voltages are provided and provide 1.8V and 2.5V voltages for camera module.
- 5. card sender is PC computers, can be encrypted corresponding iris information write into Databasce, and with terminal using identical Secret key.
- 6. the present invention uses hand iris recognition technology, there is contactless identity to be verified, security performance is high, easy to use, ARM plates have high-performance, and high reliability, low energy consumption, equipment is easy to maintain, iris data after encryption on data storage storehouse, Increase the security of total system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711232716.4A CN107826914A (en) | 2017-11-30 | 2017-11-30 | A kind of terraced control system using iris recognition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711232716.4A CN107826914A (en) | 2017-11-30 | 2017-11-30 | A kind of terraced control system using iris recognition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107826914A true CN107826914A (en) | 2018-03-23 |
Family
ID=61646863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711232716.4A Pending CN107826914A (en) | 2017-11-30 | 2017-11-30 | A kind of terraced control system using iris recognition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107826914A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103136821A (en) * | 2011-12-05 | 2013-06-05 | 常熟安智生物识别技术有限公司 | Finger vein villa management system |
| CN104134265A (en) * | 2014-08-08 | 2014-11-05 | 常熟安智生物识别技术有限公司 | Intelligent building video intercom system adopting finger vein recognition |
| CN105208320A (en) * | 2014-05-27 | 2015-12-30 | 常熟安智生物识别技术有限公司 | Palm vein identification intelligent building visible intercom system |
| US20170228582A1 (en) * | 2015-08-21 | 2017-08-10 | Boe Technology Group Co., Ltd. | Fingerprint authentication display device and authentication display method |
-
2017
- 2017-11-30 CN CN201711232716.4A patent/CN107826914A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103136821A (en) * | 2011-12-05 | 2013-06-05 | 常熟安智生物识别技术有限公司 | Finger vein villa management system |
| CN105208320A (en) * | 2014-05-27 | 2015-12-30 | 常熟安智生物识别技术有限公司 | Palm vein identification intelligent building visible intercom system |
| CN104134265A (en) * | 2014-08-08 | 2014-11-05 | 常熟安智生物识别技术有限公司 | Intelligent building video intercom system adopting finger vein recognition |
| US20170228582A1 (en) * | 2015-08-21 | 2017-08-10 | Boe Technology Group Co., Ltd. | Fingerprint authentication display device and authentication display method |
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Application publication date: 20180323 |
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