CN111039117A - Elevator security protection system for building - Google Patents
Elevator security protection system for building Download PDFInfo
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- CN111039117A CN111039117A CN201911112331.3A CN201911112331A CN111039117A CN 111039117 A CN111039117 A CN 111039117A CN 201911112331 A CN201911112331 A CN 201911112331A CN 111039117 A CN111039117 A CN 111039117A
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- fingerprint
- identification module
- face image
- elevator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0012—Devices monitoring the users of the elevator system
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Abstract
The invention relates to the technical field of safety protection, and provides an elevator security system for a building, which comprises a controller, a human body identification module, a fingerprint identification module, an IC card identification module, a face identification module, a display module and an elevator driving module, wherein the signal output end of the human body identification module is electrically connected to the signal input end of the controller through a wire, the signal output ends of the fingerprint identification module, the IC card identification module and the face identification module are respectively and independently electrically connected to the signal input end of the controller through wires, and the signal output end of the controller is electrically connected with the elevator driving module.
Description
Technical Field
The invention relates to the technical field of safety protection, in particular to an elevator security system for building construction.
Background
An elevator is a permanent transport device serving a number of specific floors in a building, the cars of which travel in at least two rigid tracks perpendicular to the horizontal or inclined at an angle of less than 15 ° to the vertical.
The traditional elevator does not need security verification and can be used by any person, so that certain potential safety hazards are brought to users, and for example, non-residents such as thieves can also use the elevator to enter a high-rise building. For the problems, at present, some houses, office buildings, hotels and the like adopt elevators with safety verification systems, users are provided with IC cards, magnetic cards and the like for performing safety verification with the elevators, and the elevators can be opened only after the safety verification is performed; however, lawbreakers can directly enter the elevator to call the elevator for verification after the verification of others is finished, and unsafe factors are brought.
Disclosure of Invention
Solves the technical problem
Aiming at the defects of the prior art, the invention provides an elevator security system for a building, which solves the problems that the existing building elevator is unsafe and is easy for lawless persons to slide in.
Technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides an elevator security protection system for building, includes controller, human identification module, fingerprint identification module, IC-card identification module, face identification module and elevator drive module, human identification module's signal output part passes through wire electric connection on the signal input part of controller, fingerprint identification module, IC-card identification module and face identification module's signal output part is independent separately through wire electric connection at the signal input part of controller, the signal output part electric connection of controller has elevator drive module.
Furthermore, the human body recognition module is a pyroelectric infrared human body sensor fixedly mounted on the top surface of the elevator opening.
Furthermore, the fingerprint identification module includes a fingerprint acquisition unit for collecting user fingerprint image information, the fingerprint acquisition unit sends the collected fingerprint image information to the fingerprint preprocessing unit, the fingerprint preprocessing unit sends the fingerprint image information that finishes preprocessing to the feature extraction unit, the feature extraction unit carries out feature extraction to the fingerprint image information, and compares with the fingerprint database that has collected in advance and type user fingerprint image information.
Furthermore, the preprocessing unit comprises the steps of carrying out gray scale transformation, segmentation, equalization, enhancement and refinement on the fingerprint image information in sequence.
Further, the IC card identification module includes a reader having a built-in RFID chip for reading data information of the IC card.
Furthermore, the reader consists of a transceiving antenna, a frequency generator, a phase-locked loop, a modulation circuit, a microprocessor, a memory, a demodulation circuit and an external interface.
Furthermore, the face recognition module comprises a face image acquisition unit, a face image preprocessing unit, a face image feature extraction unit and a face image comparison unit, wherein:
the human face image acquisition unit acquires a human face image through acquisition equipment arranged at an elevator entrance;
the face image preprocessing unit comprises the steps of sequentially performing light compensation, gray level transformation, histogram equalization, normalization, geometric correction, filtering and sharpening on the collected face image;
the face image feature extraction unit is used for extracting features of a face image, and the feature extraction object comprises visual features, pixel statistical features, face image transformation coefficient features and face image algebraic features;
the face image comparison unit compares the face image with a face database in which the face image of the user is previously entered.
Advantageous effects
The invention provides an elevator security system for building, which has the following beneficial effects compared with the prior art:
1. by arranging the security system, the invention ensures that the building office or the house is safer, and lawless persons can not enter the elevator without verification, thereby greatly improving the building safety and being very suitable for high-rise buildings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic wire frame illustration of the present invention;
FIG. 2 is a schematic view of a determination process according to the present invention;
FIG. 3 is a flow chart of the fingerprint identification module identification process of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
the elevator security system for building of this embodiment, including controller, human identification module, fingerprint identification module, IC-card identification module, face identification module and elevator drive module, human identification module's signal output part passes through wire electric connection on the signal input part of controller, fingerprint identification module, IC-card identification module and face identification module's signal output part is independent separately through wire electric connection at the signal input part of controller, the signal output part electric connection of controller has elevator drive module.
Wherein, human identification module is the pyroelectric infrared human body sensor of fixed mounting at elevator mouth top surface, fingerprint identification module is including the fingerprint acquisition unit that is used for gathering user's fingerprint image information, fingerprint acquisition unit sends the fingerprint preprocessing unit with the fingerprint image information who gathers, fingerprint preprocessing unit sends the fingerprint image information that finishes in advance for the feature extraction unit, the feature extraction unit carries out the feature extraction to fingerprint image information to compare with the fingerprint database who gathers in advance and type user's fingerprint image information, preprocessing unit includes to fingerprint image information do grey level transform in proper order, cut apart, equalization, reinforcing and refine the step, IC-card identification module is including the built-in ware that reads the RFID chip of IC-card data information that reads, read the ware by receiving and dispatching antenna, frequency generator, a little, Phase-locked loop, modulation circuit, microprocessor, memory, demodulation circuit and peripheral hardware interface constitute, face identification module includes face image acquisition unit, face image preprocessing unit, face image feature extraction unit and face image contrast unit, wherein: the human face image acquisition unit acquires a human face image through acquisition equipment arranged at an elevator entrance; the face image preprocessing unit comprises the steps of sequentially performing light compensation, gray level transformation, histogram equalization, normalization, geometric correction, filtering and sharpening on the collected face image; the face image feature extraction unit is used for extracting features of a face image, and the feature extraction object comprises visual features, pixel statistical features, face image transformation coefficient features and face image algebraic features; the face image comparison unit compares the face image with a face database in which the face image of the user is previously entered.
When the elevator is used, if the elevator needs to enter, one identification mode can be selected from the face identification module, the IC card identification module and the fingerprint identification module to pass the verification, the elevator door is opened to take the elevator only after the verification is passed, the face identification module, the IC card identification module and the fingerprint identification module read and verify the user information and transmit signals to the controller (a PLC controller is selected), the controller counts the received signals, when the user enters the elevator, because the human body identification module consisting of the pyroelectric infrared human body sensor is arranged on the top surface of the elevator door, a window provided with a filter lens is arranged at the top end of the pyroelectric infrared human body sensor, the filter can pass the wavelength range of light of 7-10-um and is just suitable for the detection of the infrared radiation wavelength of 9-10-um of the human body, infrared rays with other wavelengths are absorbed by the optical filter, so that the detection of a human body can be realized, the human body identification module transmits signals to the controller one by one through a wire during the detection, the controller performs quantity statistics on the signals received from the human body identification module at the moment, and when the quantity of the signals received by the controller from the human body identification module is equal to the quantity of the signals received by the controller from the human face identification module, the IC card identification module and the fingerprint identification module, the controller sends driving signals to the elevator driving module at the moment, so that the elevator taking is completed; when the number of signals received by the controller from the human body identification module is larger than that of signals received by the controller from the face identification module, the IC card identification module and the fingerprint identification module, the controller controls the buzzer to give an alarm, if the identity is forgotten to be verified, a user can carry out identity verification on a second set of face identification module, the IC card identification module and the fingerprint identification module which are arranged in the elevator, and sends an alarm to a visitor who cannot verify the identity.
If the user passes the verification of the IC card, the reader of the IC card identification module identifies the IC card through an RFID chip arranged in the reader, the IC card receives a radio frequency signal sent by the reader, the user information stored in the chip is sent out by means of the energy obtained by the induced current, the reader reads the information and decodes the information, the information is compared with a database which inputs the user information in advance, and the verification can be passed after the comparison is completed.
If the user passes through the fingerprint identification module to be verified, the fingerprint acquisition unit acquires the fingerprint image information of the user, and then the fingerprint preprocessing unit preprocesses the acquired fingerprint image information, wherein the preprocessing comprises the following operation steps: firstly, segmenting the fingerprint from the whole pattern according to the different characteristics of the gray levels of the background image and the fingerprint distribution map; the pixel distribution points of different areas of the fingerprint image obtained by different environmental factors are different during extraction, and the pixels distributed in different areas are subjected to mean division through equalization to obtain an image with balanced brightness distribution; in order to facilitate the extraction of the fingerprint image features by the fingerprint feature extraction unit, the image after gray level conversion, segmentation and equalization processing needs to be intelligently enhanced, and the grain lines of the fingerprint image can be clearer by a Gabor wavelet approximation method, namely the white part is whiter, the black part is blacker, and the edge distribution of the lines is smoother; the feature extraction unit firstly extracts feature endpoints and cross points of a fingerprint, carries out Sudoku segmentation on an endpoint cross point image, separates the endpoints and the cross points of the fingerprint image by utilizing the characteristic that gray values of fingerprint feature distribution are different, extracts singular points by utilizing a Poincare formula, extracts points which are severely changed around a direction field by utilizing the formula, and respectively realizes the extraction process of each feature point by using different algorithms in a computer; finally, the collected fingerprint features are compared with the fingerprint features stored in the database, whether the fingerprint features belong to the same fingerprint is judged, rough matching is carried out according to the shape of the fingerprint, and then the similarity degree of the compared fingerprints is given by utilizing the shape of the fingerprint and the detail features to carry out accurate matching.
Face image acquisition and detection if the user is authenticated by the face recognition module
The human face image acquisition unit acquires a human face image through acquisition equipment; then the face image preprocessing unit processes the face image and finally serves the process of feature extraction. The original image acquired by the system is limited by various conditions and random interference, so that the original image can not be directly used, and the steps of light compensation, gray level conversion, histogram equalization, normalization, geometric correction, filtering and sharpening must be sequentially carried out on the face image; the features available for the face image feature extraction unit are generally divided into visual features, pixel statistical features, face image transformation coefficient features, face image algebraic features and the like, and geometric features among the visual features, the pixel statistical features, the face image algebraic features and the like are identified and constructed by eyes, a nose, a mouth and a chin of a face; the feature data of the face image extracted by the face image comparison unit is rapidly compared with the face data in the database, and by setting a threshold, when the similarity exceeds the threshold, the matching is completed, otherwise, the matching is not completed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides an elevator security protection system for building, its characterized in that, includes controller, human identification module, fingerprint identification module, IC-card identification module, face identification module and elevator drive module, human identification module's signal output part passes through wire electric connection on the signal input part of controller, fingerprint identification module, IC-card identification module and face identification module's signal output part is independent separately through wire electric connection at the signal input part of controller, the signal output part electric connection of controller has elevator drive module.
2. The elevator security system for building construction as claimed in claim 1, wherein the human body recognition module is a pyroelectric infrared human body sensor fixedly mounted on the top surface of the elevator opening.
3. The elevator security system for building and building as claimed in claim 1, wherein the fingerprint identification module comprises a fingerprint acquisition unit for collecting user fingerprint image information, the fingerprint acquisition unit sends the collected fingerprint image information to a fingerprint preprocessing unit, the fingerprint preprocessing unit sends the preprocessed fingerprint image information to a feature extraction unit, and the feature extraction unit performs feature extraction on the fingerprint image information and compares the fingerprint image information with a fingerprint database which is collected in advance and has the user fingerprint image information recorded therein.
4. The elevator security system for building and building as claimed in claim 2, wherein the preprocessing unit comprises steps of gray level transformation, segmentation, equalization, enhancement and refinement of the fingerprint image information in sequence.
5. The elevator security system for building construction as claimed in claim 1, wherein the IC card identification module comprises a reader having a built-in RFID chip for reading data information of the IC card.
6. The elevator security system for building construction as claimed in claim 5, wherein the reader is composed of a transceiver antenna, a frequency generator, a phase locked loop, a modulation circuit, a microprocessor, a memory, a demodulation circuit and a peripheral interface.
7. The elevator security system for building construction as claimed in claim 1, wherein the face recognition module comprises a face image acquisition unit, a face image preprocessing unit, a face image feature extraction unit and a face image comparison unit, wherein:
the human face image acquisition unit acquires a human face image through acquisition equipment arranged at an elevator entrance;
the face image preprocessing unit comprises the steps of sequentially performing light compensation, gray level transformation, histogram equalization, normalization, geometric correction, filtering and sharpening on the collected face image;
the face image feature extraction unit is used for extracting features of a face image, and the feature extraction object comprises visual features, pixel statistical features, face image transformation coefficient features and face image algebraic features;
the face image comparison unit compares the face image with a face database in which the face image of the user is previously entered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911112331.3A CN111039117A (en) | 2019-11-14 | 2019-11-14 | Elevator security protection system for building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911112331.3A CN111039117A (en) | 2019-11-14 | 2019-11-14 | Elevator security protection system for building |
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| CN111039117A true CN111039117A (en) | 2020-04-21 |
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| CN201911112331.3A Pending CN111039117A (en) | 2019-11-14 | 2019-11-14 | Elevator security protection system for building |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112320513A (en) * | 2020-11-03 | 2021-02-05 | 安徽奥里奥克科技股份有限公司 | Elevator security protection system based on face identification |
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| DE10102936A1 (en) * | 2001-01-23 | 2002-07-25 | Maku Informationstechnik Gmbh | A monitoring system for personnel lifts has a camera in the roof and a transponder to check the number and authority of the users. |
| CN1555543A (en) * | 2001-09-20 | 2004-12-15 | �������¹ɷ�����˾ | Security method for gaining access, access verification device, and elevator |
| CN1821041A (en) * | 2005-02-17 | 2006-08-23 | 奥蒂斯电梯公司 | Elevator device with preventing function |
| CN101774501A (en) * | 2009-10-19 | 2010-07-14 | 秦皇岛开发区前景电子科技有限公司 | Management method and system of household elevator with security protection function |
| CN108357991A (en) * | 2018-02-26 | 2018-08-03 | 深圳市旺龙智能科技有限公司 | A kind of elevator control method and system |
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2019
- 2019-11-14 CN CN201911112331.3A patent/CN111039117A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE10102936A1 (en) * | 2001-01-23 | 2002-07-25 | Maku Informationstechnik Gmbh | A monitoring system for personnel lifts has a camera in the roof and a transponder to check the number and authority of the users. |
| CN1555543A (en) * | 2001-09-20 | 2004-12-15 | �������¹ɷ�����˾ | Security method for gaining access, access verification device, and elevator |
| CN1821041A (en) * | 2005-02-17 | 2006-08-23 | 奥蒂斯电梯公司 | Elevator device with preventing function |
| CN101774501A (en) * | 2009-10-19 | 2010-07-14 | 秦皇岛开发区前景电子科技有限公司 | Management method and system of household elevator with security protection function |
| CN108357991A (en) * | 2018-02-26 | 2018-08-03 | 深圳市旺龙智能科技有限公司 | A kind of elevator control method and system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112320513A (en) * | 2020-11-03 | 2021-02-05 | 安徽奥里奥克科技股份有限公司 | Elevator security protection system based on face identification |
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Application publication date: 20200421 |
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