CN114961437B - Non-inductive access door based on RFID technology - Google Patents
Non-inductive access door based on RFID technology Download PDFInfo
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- CN114961437B CN114961437B CN202210475700.0A CN202210475700A CN114961437B CN 114961437 B CN114961437 B CN 114961437B CN 202210475700 A CN202210475700 A CN 202210475700A CN 114961437 B CN114961437 B CN 114961437B
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10297—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves arrangements for handling protocols designed for non-contact record carriers such as RFIDs NFCs, e.g. ISO/IEC 14443 and 18092
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10366—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications
- G06K7/10415—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications the interrogation device being fixed in its position, such as an access control device for reading wireless access cards, or a wireless ATM
- G06K7/10425—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications the interrogation device being fixed in its position, such as an access control device for reading wireless access cards, or a wireless ATM the interrogation device being arranged for interrogation of record carriers passing by the interrogation device
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M1/00—Design features of general application
- G06M1/27—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum
- G06M1/272—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum using photoelectric means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention discloses a non-inductive access door based on an RFID technology, and relates to the technical field of security protection. The invention comprises a plurality of door bodies arranged at a personnel outlet, wherein a channel is formed between adjacent door bodies; the RFID readers are arranged on each door body, and all the RFID readers are arranged on the same straight line; the antenna modules are arranged above the door bodies and are in communication connection with the RFID reader-writer; the counting device is used for counting the number of people entering and leaving the building and counting the number of people in the building; when the number of people in the building is less than a preset value, the control system closes the channels with the corresponding number according to the number of people in the building; and when the electronic tag is detected to be an illegal tag, the RFID reader controls the acousto-optic alarm module to emit sound and light warning signals. The invention solves the problems of low safety and energy waste in long-term standby of the existing channel door by the functions of the RFID reader-writer, the counting device, the audible and visual alarm module and the display terminal.
Description
Technical Field
The invention belongs to the technical field of security protection, and particularly relates to a non-inductive access door based on an RFID technology.
Background
The Radio Frequency Identification (RFID) technology is one of automatic identification technologies, and is characterized in that non-contact bidirectional data communication is performed in a radio frequency mode, and a recording medium (an electronic tag or a radio frequency card) is read and written in a radio frequency mode, so that the purposes of identification and data exchange are achieved. The existing radio frequency identification technology is mainly used for an access control system, so that the effects of security protection and access control are achieved.
The patent of application number CN202120198373.X discloses a passageway formula security protection entrance guard based on RFID, including first frame and second frame, the last surface mounting of first frame has the camera, the right side at first frame back is fixed with the second mounting panel, the last surface mounting of second mounting panel has driving motor, driving motor's output is fixed with the bar that blocks, the left side at first frame back lower part, the right side at first frame back lower part, the left side at the positive lower part of second frame and the right side at the positive lower part of second frame all are fixed with two locating racks. This passageway formula security protection entrance guard based on RFID, personnel mix and brush RFID entrance guard card and get into, and the camera can record every personnel of going into entrance guard, and infrared scanner can scan the thing that carries of business turn over personnel, and during the unusual, the siren can send different alarm information suggestion personnel, blocks the pole simultaneously and puts and block personnel entering on the block. However, the safety performance of the application is still low, only single restriction and identification are carried out, an emergency channel cannot be opened up in time when an emergency occurs, and the whole system is kept in a standby state for a long time, so that energy is wasted.
Disclosure of Invention
The invention aims to provide a non-inductive access door based on an RFID technology, which solves the problems of low safety and long-term standby energy waste of the existing access door through the functions of an RFID reader-writer, a counting device, an audible and visual alarm module and a display terminal.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a non-inductive access door based on an RFID technology, which comprises a plurality of door bodies arranged at a personnel outlet, wherein a passage for personnel to enter and exit is formed between adjacent door bodies; the RFID readers are arranged on each door body, all the RFID readers are arranged on the same straight line and are perpendicular to the channel; the RFID reader-writer is used for reading the electronic tag information and sending the electronic tag information to the control system; the antenna modules are arranged above the door bodies and are in communication connection with the RFID reader-writer; the counting device is used for counting the number of people entering and leaving the building and counting the number of people in the building; when the number of people in the building is less than a preset value, the control system closes the channels with the corresponding number according to the number of people in the building; the RFID reader-writer is used for controlling the audible and visual alarm module to emit sound and light warning signals when detecting that the electronic tag is an illegal tag; when the electronic tag is detected to be a legal tag, the RFID reader-writer controls the audible and visual alarm module to not work; and the display terminal is connected with the control system and used for displaying the identity information of the passing personnel.
As a preferable technical scheme of the invention, the non-inductive access door further comprises a face recognition module; when the electronic tag is detected to be a legal tag and the face identification module detects that the face identity information is qualified, the electronic tag is allowed to pass through; otherwise, when the electronic tag is detected to be an illegal tag or the face recognition module detects that the face identity information is unqualified, the RFID reader-writer controls the acousto-optic alarm module to send out sound and light warning signals.
As a preferable technical scheme of the invention, the face recognition module comprises a camera and an image processing unit which are arranged on each door body; the face recognition module is connected with a processing center for storing face identity information.
As a preferred technical scheme of the invention, the face recognition module further comprises a brightness sensor for detecting the ambient brightness intensity and a light supplementing device for enhancing the brightness; when the brightness sensor detects that the ambient brightness is lower than a brightness preset value, the face recognition module controls the light supplementing device to supplement light to the face.
As a preferable technical scheme of the invention, two groups of infrared probe modules are respectively arranged on two sides in the channel, the infrared probe modules emit two paths of infrared rays, the RFID reader-writer judges the people to enter and exit according to the sequence of the blocked rays, and updates the number of people entering and exiting the building and the number of people in the building.
According to the number of channels N and the number of resident people M in the building, the number of loadable people A=M/N of each channel is calculated, and when the number of people B in the building is smaller than a preset value, the control system closes the number of corresponding channels to be/A according to the number of people in the building and rounds the channels.
As a preferable technical scheme of the invention, an auxiliary door is arranged at one side of the door body at the most edge to form an emergency channel for abnormal situation use; the auxiliary door is movably provided with a baffle rod for opening and closing the emergency channel and an emergency button for controlling the baffle rod to realize opening and closing actions.
As a preferable technical scheme of the invention, the door body is also provided with a monitoring device for monitoring the flow condition of personnel in the channel in real time.
As a preferable technical scheme of the invention, the audible and visual alarm module comprises an alarm sound box for emitting sound and an alarm lamp for emitting a light alarm signal.
As a preferred technical solution of the present invention, the non-inductive access door further includes a power supply unit for supplying power; the power supply unit comprises a mains supply module externally connected to mains supply and a standby power supply module for emergency power supply.
The invention has the following beneficial effects:
1. the counting device is used for counting the number of people entering and leaving the building and counting the number of people in the building, so that the situation of the people in the building can be mastered in time, and when the number of the people in the building is smaller than a preset value, the control system closes the channels with the corresponding number according to the number of the people in the building, so that a part of energy sources can be saved.
2. The invention adopts the structure that the auxiliary door is movably provided with the baffle rod for opening and closing the emergency channel and the emergency button for controlling the baffle rod to realize the opening and closing actions, the gear lever is arranged at the output end of the motor, and when the emergency button is pressed down, the gear lever is controlled by the motor to rotate, so that an emergency channel is opened, and the requirements under different conditions are met.
3. The invention passes through the face recognition module; when the electronic tag is detected to be a legal tag and the face identification module detects that the face identity information is qualified, the electronic tag is allowed to pass through, and double identity identification is carried out through the electronic tag and the face identification module, so that the safety of the electronic tag is improved.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the control of the present invention;
FIG. 2 is a schematic view of a door body;
FIG. 3 is a schematic top view of a door body;
FIG. 4 is a control flow diagram of the present invention;
in the drawings, the list of components represented by the various numbers is as follows:
the system comprises a 1-door body, a 2-RFID reader-writer, a 3-audible and visual alarm module, a 4-display terminal, a 5-face recognition module and a 101-channel.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, the invention discloses a non-inductive access door based on RFID technology, which comprises a plurality of door bodies 1 arranged at a personnel exit, wherein a passage 101 for personnel to enter and exit is formed between adjacent door bodies 1; the RFID readers 2 are arranged on each door body 1, and all the RFID readers 2 are arranged on the same straight line and are vertical to the channel 101; the RFID reader-writer 2 is used for reading the electronic tag information and sending the electronic tag information to the control system; the antenna modules are arranged above the door bodies 1 and are in communication connection with the RFID reader-writer 2; the counting device is arranged above each door body 1 and connected with the control system, and is used for counting the number of people entering and leaving the building and counting the number of people in the building, so that the situation of the people in the building can be mastered in time; when the number of people in the building is less than a preset value, the control system closes the channels 101 with the corresponding number according to the number of people in the building, so that a part of energy sources can be saved; the sound-light alarm module 3 is arranged on the inner side of each door body 1 and connected with the control system, the sound-light alarm module 3 is used for providing sound-light alarm signals under abnormal conditions, and when the electronic tag is detected to be an illegal tag, the RFID reader-writer 2 controls the sound-light alarm module 3 to send out sound and light alarm signals so as to timely remind building managers and process illegal intruder personnel; when the electronic tag is detected to be a legal tag, the RFID reader-writer 2 controls the audible and visual alarm module 3 to not work; the audible and visual alarm module 3 comprises an alarm sound box for emitting sound and an alarm lamp for emitting a light alarm signal; and the display terminals 4 are arranged on the inner sides of the door bodies 1, and the display terminals 4 are connected with the control system and are used for displaying the identity information of the passing personnel.
The non-inductive access door also comprises a power supply unit for supplying power; the power supply unit comprises a mains supply module externally connected to the mains supply and a standby power supply module for emergency power supply. An auxiliary door is arranged at one side of the door body 1 at the most edge to form an emergency channel for abnormal situation use; the auxiliary door is movably provided with a baffle rod for opening and closing the emergency channel and an emergency button for controlling the baffle rod to realize opening and closing actions, the baffle rod is arranged at the output end of the motor, and when the emergency button is pressed down, the baffle rod is controlled to rotate by the motor so as to open the emergency channel, thereby adapting to the requirements under different conditions. The door body 1 is also provided with a monitoring device for monitoring the flow condition of personnel in the channel 101 in real time, so that the condition of the personnel can be monitored in time, and the danger is eliminated in time.
Example two
On the basis of the first embodiment, referring to fig. 1, the non-inductive access door further includes a face recognition module 5 disposed in front of each door body 1; the face recognition module 5 is connected with a control system; when the electronic tag is detected to be a legal tag and the face identification module 5 detects that the face identity information is qualified, the electronic tag is allowed to pass through, and double identity identification is carried out through the electronic tag and the face identification module 5, so that the safety of the electronic tag is improved; otherwise, when the electronic tag is detected to be an illegal tag or the face identification module 5 detects that the face identity information is unqualified, the RFID reader-writer 2 controls the audible and visual alarm module 3 to send out an audible and visual alarm signal, so that illegal entering personnel can be timely warned and reminded, and the personal and property safety of the personnel in the building can be prevented from being influenced. The face recognition module 5 comprises a camera and an image processing unit which are arranged on each door body 1; the face recognition module 5 is connected with a processing center for storing face identity information, so that the recognized face image is analyzed and matched with the face identity information stored in the processing center, and when the matching is unsuccessful, the person is identified as illegally entering. The face recognition module 5 further comprises a brightness sensor for detecting the intensity of ambient brightness and a light supplementing device for enhancing the brightness, so that the face is difficult to recognize when the light is too dark, and the light supplementing device can improve the success rate of recognition to a certain extent; when the brightness sensor detects that the ambient brightness is lower than the brightness preset value, the face recognition module 5 controls the light supplementing device to supplement light to the face.
Example III
On the basis of the second embodiment, two groups of infrared probe modules are respectively arranged on two sides in the channel 101, the infrared probe modules send out two paths of infrared rays, the RFID reader-writer 2 judges the entrance and exit of people according to the sequence that the rays are blocked, and updates the number of people entering and leaving the building and the number of people in the building, so that the number of people entering and leaving the building and the number of people in the building can be rapidly calculated, the data are timely updated, and the flowing condition of the people in the building is mastered in real time. According to the number N of the channels 101 and the number M of residents in the building, the number A=M/N of the people which can be borne by each channel 101 is calculated, when the number B of the people in the building is smaller than a preset value, the control system closes the corresponding channels 101 according to the number of the people in the building to be (M-B)/A, and the corresponding channels 101 are rounded, and closes the corresponding channels according to the number of the people in the building, so that the channels 101 can be normally used, the number of the channels 101 is reduced while congestion is not caused, all the channels 101 are prevented from being kept in a standby state, energy is wasted, and the energy consumption of the whole system is reduced, and the system is green and environment-friendly.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (5)
1. Non-inductive access door based on RFID technology, characterized in that it comprises:
a plurality of door bodies (1) arranged at the personnel outlet, wherein passages (101) for personnel to enter and exit are formed between the adjacent door bodies (1);
the RFID readers (2) are arranged on each door body (1), and all the RFID readers (2) are arranged on the same straight line and are perpendicular to the channel (101); the RFID reader (2) is used for reading the electronic tag information;
the antenna modules are arranged above the door bodies (1) and are in communication connection with the RFID reader-writer (2);
the counting device is arranged above each door body (1) and connected with the control system, and is used for counting the number of people entering and leaving the building and counting the number of people in the building; when the number of people in the building is less than a preset value, the control system closes the channels (101) with the corresponding number according to the number of people in the building;
the sound-light alarm modules (3) are arranged on the inner sides of the door bodies (1) and connected with the control system, the sound-light alarm modules (3) are used for providing sound-light alarm signals under abnormal conditions, and when the electronic tag is detected to be an illegal tag, the RFID reader-writer (2) controls the sound-light alarm modules (3) to emit sound and light alarm signals; when the electronic tag is detected to be a legal tag, the RFID reader-writer (2) controls the audible and visual alarm module (3) to be not operated;
the display terminals (4) are arranged on the inner sides of the door bodies (1), and the display terminals (4) are connected with the control system and are used for displaying the identity information of the passing personnel;
the non-inductive access door further comprises a face recognition module (5) arranged in front of each door body (1); when the electronic tag is detected to be a legal tag and the face identification module (5) detects that the face identity information is qualified, the electronic tag is allowed to pass through; otherwise, when the electronic tag is detected to be an illegal tag or the face recognition module (5) detects that the face identity information is unqualified, the RFID reader-writer (2) controls the audible and visual alarm module (3) to emit sound and light warning signals;
the face recognition module (5) comprises a camera and an image processing unit which are arranged on each door body (1); the face recognition module (5) is connected with a processing center for storing face identity information;
the face recognition module (5) further comprises a brightness sensor for detecting the intensity of ambient brightness and light supplementing equipment for enhancing the brightness; when the brightness sensor detects that the ambient brightness is lower than a brightness preset value, the face recognition module (5) controls the light supplementing equipment to supplement light to the face;
two groups of infrared probe modules are respectively arranged on two sides in the channel (101), the infrared probe modules emit two paths of infrared rays, the RFID reader (2) judges the entry and exit of people according to the sequence of the blocked rays, and updates the number of people entering and leaving the building and the number of people in the building;
according to the number N of the channels (101) and the number M of resident people in the building, the number A=M/N of the loadable people of each channel (101) is calculated, and when the number B of people in the building is less than a preset value, the control system closes the number of the corresponding channels (101) to be (M-B)/A according to the number of people in the building and rounds the channels.
2. The door according to claim 1, characterized in that the door body (1) side at the extreme edge is provided with an auxiliary door forming an emergency channel for abnormal situation use; the auxiliary door is movably provided with a baffle rod for opening and closing the emergency channel and an emergency button for controlling the baffle rod to realize opening and closing actions.
3. The non-inductive access door based on RFID technology according to claim 1, characterized in that the door body (1) is further provided with monitoring means for monitoring the flow of personnel in the channel (101) in real time.
4. The non-inductive access door based on RFID technology according to claim 1, characterized in that the audible and visual alarm module (3) comprises an alarm sound box for emitting sound and an alarm lamp for emitting a light warning signal.
5. The RFID technology based non-inductive access door of claim 1, further comprising a power supply unit for supplying power; the power supply unit comprises a mains supply module externally connected to mains supply and a standby power supply module for emergency power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210475700.0A CN114961437B (en) | 2022-04-29 | 2022-04-29 | Non-inductive access door based on RFID technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210475700.0A CN114961437B (en) | 2022-04-29 | 2022-04-29 | Non-inductive access door based on RFID technology |
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| Publication Number | Publication Date |
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| CN114961437A CN114961437A (en) | 2022-08-30 |
| CN114961437B true CN114961437B (en) | 2023-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210475700.0A Active CN114961437B (en) | 2022-04-29 | 2022-04-29 | Non-inductive access door based on RFID technology |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116562315B (en) * | 2023-03-28 | 2024-06-04 | 中国长江电力股份有限公司 | Full-surrounding type RFID batch sensing door |
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| CN111028403A (en) * | 2019-11-08 | 2020-04-17 | 刘齐一星 | Automatic ticket checking system and method for rail transit |
| CN112133012A (en) * | 2020-09-25 | 2020-12-25 | 小爱智能科技(苏州)有限公司 | Hospital hospitalization building face recognition access control system and access control method |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201707722U (en) * | 2010-04-16 | 2011-01-12 | 镜平学校中学部 | Intelligent high-efficiency pedestrian flow diversion system |
| CN107590888A (en) * | 2017-09-09 | 2018-01-16 | 安徽省未来博学信息技术有限公司 | A kind of building are registered one's residence gate control system |
| CN207909220U (en) * | 2018-02-09 | 2018-09-25 | 厦门路桥信息股份有限公司 | A kind of system of real name passageway access control system |
| CN109061328A (en) * | 2018-06-06 | 2018-12-21 | 北京卫星环境工程研究所 | The workspace entrance managing device of integrated static electricity on human body's detection and number control |
| CN209373687U (en) * | 2019-03-08 | 2019-09-10 | 济南市公安局市中区分局 | A kind of wisdom police station access control system |
| CN111028403A (en) * | 2019-11-08 | 2020-04-17 | 刘齐一星 | Automatic ticket checking system and method for rail transit |
| CN110827452A (en) * | 2019-11-13 | 2020-02-21 | 公安部第一研究所 | Intelligent passenger distribution method for airport inspection |
| CN112133012A (en) * | 2020-09-25 | 2020-12-25 | 小爱智能科技(苏州)有限公司 | Hospital hospitalization building face recognition access control system and access control method |
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| Publication number | Publication date |
|---|---|
| CN114961437A (en) | 2022-08-30 |
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