CN118053226A - Intelligent door lock system based on handheld terminal - Google Patents
Intelligent door lock system based on handheld terminal Download PDFInfo
- Publication number
- CN118053226A CN118053226A CN202410331022.XA CN202410331022A CN118053226A CN 118053226 A CN118053226 A CN 118053226A CN 202410331022 A CN202410331022 A CN 202410331022A CN 118053226 A CN118053226 A CN 118053226A
- Authority
- CN
- China
- Prior art keywords
- module
- door lock
- handheld terminal
- nfc
- unlocking
- 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.)
- Pending
Links
- 238000004891 communication Methods 0.000 claims abstract description 54
- 238000012795 verification Methods 0.000 claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 12
- 238000013461 design Methods 0.000 abstract description 2
- 230000000875 corresponding effect Effects 0.000 description 18
- 230000006870 function Effects 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00571—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by interacting with a central unit
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses an intelligent door lock system based on a handheld terminal, which comprises a server, a wireless communication module, a door lock device with an NFC card reader and the handheld terminal, wherein the door lock device and the handheld terminal are in remote communication connection with the server through the wireless communication module, the control module is in communication connection with a receiving module and a feedback module respectively, and the receiving module is in communication connection with a second NFC module and a password verification module respectively. Through the design, a user can unlock through inputting the electronic password, can unlock through near field communication between the NFC function of the handheld terminal and the door lock device, can store unlocking information, distinguish authorities of different users, record unlocking and locking time, greatly improve convenience of use, provide more comprehensive and careful management experience for the user, and meet the requirements of modern people on intelligent home.
Description
Technical Field
The invention relates to the technical field of intelligent door locks, in particular to an intelligent door lock system with an NFC function.
Background
Along with the continuous development of science and technology, people are increasingly demanding to house safety, and door locks on the market at present are mainly unlocked through keys, but keys are easy to lose, and safety and convenience are not ideal. The existing intelligent door lock solves the problem, and unlocking and locking of the door lock are achieved through modes of passwords, fingerprints or remote control and the like. However, these intelligent door lock systems still have various problems in some aspects, such as inconvenience in authorization management, insufficient security, etc., and cannot achieve the door lock management effect required by the user.
Disclosure of Invention
In order to solve the technical defects in the background art, the invention aims to provide an intelligent door lock system with an NFC function, which can realize the functions of remote control of door locks, password management, fingerprint identification, intelligent log recording, alarm function, remote monitoring and the like, and improves the safety and convenience of the door locks.
The invention adopts the following technical scheme: an intelligent door lock system based on a handheld terminal comprises a server, a wireless communication module, a door lock device and a handheld terminal, wherein the door lock device and the handheld terminal are respectively provided with an NFC card reader, and the door lock device and the handheld terminal are in remote communication connection with the server through the wireless communication module;
the handheld terminal comprises an interface operation unit, a control module, a password calling module and a first NFC module, wherein the control module is respectively in communication connection with the password calling module and the first NFC module;
The door lock device comprises a door lock assembly and a door lock control assembly, wherein the door lock control assembly comprises a receiving module, a feedback module, a password verification module and a second NFC module, the receiving module is used for receiving information sent by the control module and executing unlocking or locking instructions, the feedback module is used for feeding back execution data to the control module, the second NFC module is used for reading NFC labels of the handheld terminals, and the password verification module is used for verifying electronic passwords generated by the password calling module;
the server comprises a data processing unit, a storage unit and a communication unit which are mutually connected in a communication way, and the data processing unit is in remote communication connection with the door lock device and the handheld terminal through a wireless network.
Further, the control module is respectively in communication connection with the receiving module and the feedback module, and the receiving module is respectively in communication connection with the second NFC module and the password verification module.
Further, the handheld terminal remotely sends an unlocking instruction to the receiving module through the server, the receiving module receives the unlocking instruction and then controls the door lock assembly to unlock or lock the door lock assembly, an alarm is sent to the handheld terminal through the server when the door lock assembly is unlocked or locked, unlocking information is stored after unlocking or locking is completed, and meanwhile unlocking information is sent to the server to be stored.
Further, the door lock assembly comprises a lock body, a mechanical lock cylinder, a key and an LED indicator lamp, wherein the key and the LED indicator lamp are arranged on the surface of the lock body, and the key and the LED indicator lamp are respectively in communication connection with the control module.
Further, the lock body is internally provided with a monitoring unit and an alarm unit, the monitoring unit and the alarm unit are respectively in communication connection with the control module, the monitoring unit is used for detecting the opening or closing of the lock body, and the alarm unit is used for sending an alarm to the handheld terminal.
Further, a first storage unit and a second storage unit are further arranged in the control module, the first storage unit is used for storing master lock information and electronic passwords corresponding to the master lock information, and the second storage unit is used for storing visitor lock information and electronic passwords corresponding to the visitor lock information.
Furthermore, the door lock control assembly further comprises a clock chip which is respectively in communication connection with the receiving module and the feedback module and is used for feeding back unlocking time and locking time to the control module.
Furthermore, the wireless communication module adopts a serial Wi-Fi module which is universal for the mobile terminal, and a built-in wireless network protocol IEEE802.11 b.n protocol stack and a TCP/IP protocol stack are adopted.
In summary, the intelligent door lock system based on the handheld terminal has the beneficial effects that the NFC technology is adopted, a user can unlock through inputting an electronic password, and can unlock through near field communication between the NFC function of the handheld terminal and the door lock device, and the functional modules such as the storage unit and the clock chip are designed, so that the system can store unlocking information, distinguish authorities of different users, record unlocking and locking time, realize remote control and monitoring functions, and the user can operate the door lock at any time and any place through the handheld terminal, thereby greatly improving the convenience of use, providing more comprehensive and careful management experience for the user, and meeting the requirements of modern people on intelligent home.
The foregoing description is only an overview of the technical solution of the present invention, and may be implemented according to the content of the specification in order to make the technical means of the present invention more clearly understood, and in order to make the above and other objects, features and advantages of the present invention more clearly understood, the following specific preferred embodiment is given by way of the following detailed description in conjunction with the accompanying drawings.
Drawings
Fig. 1 is an overall workflow diagram of an embodiment of a smart door lock system based on a handheld terminal of the present invention.
Detailed Description
In order that the invention may be more readily understood, a further description of the invention will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
It should be noted that, as used herein, the terms "center," "upper," "lower," "front," "rear," "left," "right," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Unless otherwise indicated, the meaning of "a plurality" is two or more.
Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
As shown in fig. 1, an intelligent door lock system based on a handheld terminal comprises a server, a wireless communication module, and a door lock device and a handheld terminal which are respectively provided with an NFC card reader, wherein the door lock device and the handheld terminal are in remote communication connection with the server through the wireless communication module;
The hand-held terminal comprises an interface operation unit, a control module, a password calling module and a first NFC module, wherein the control module is respectively in communication connection with the password calling module and the first NFC module, the hand-held terminal is used as a main interface for interaction between a user and a system, the hand-held terminal is provided with a plurality of functional modules, the interface operation unit allows the user to perform visual operation, such as inputting unlocking passwords or sending unlocking instructions, the control module is a core of the hand-held terminal and is responsible for coordinating the work of each module to ensure accurate transmission and processing of information, the password calling module can generate corresponding electronic passwords according to the operation of the user, the passwords can be dynamic passwords based on a specific algorithm or user-defined static passwords, and the first NFC module is used for performing close-range wireless communication with a door lock device to realize rapid transmission of information;
The door lock device is an execution part of an intelligent door lock system and is used for directly controlling the opening and closing of a door lock, the door lock device comprises a door lock assembly and a door lock control assembly, the door lock control assembly is a 'brain' of the door lock device and is used for receiving control instructions from a handheld terminal and executing corresponding actions according to the instructions, the door lock control assembly comprises a receiving module, a feedback module, a password verification module and a second NFC module, the receiving module is used for receiving information sent by the control module and executing unlocking or locking instructions, the feedback module is used for feeding back execution data to the control module so that a user can know the current state of the door lock, the second NFC module is used for reading an NFC label of the handheld terminal and realizing wireless communication with the handheld terminal, and the password verification module is used for verifying an electronic password generated by the password acquisition module and ensuring that only a correct password can open the door lock;
the server is a management center of the whole intelligent door lock system and is responsible for storing important information such as user information and password data, the server comprises a data processing unit, a storage unit and a communication unit which are connected with each other in a communication mode, the data processing unit is connected with the door lock device and the handheld terminal in a remote communication mode through a wireless network, specifically, the data processing unit is responsible for processing data requests from the door lock device and the handheld terminal, corresponding data processing and instruction issuing are carried out according to the requests, the storage unit is used for storing sensitive information such as user information and password data, the safety and the integrity of the information are guaranteed, and the communication unit is responsible for communication connection between the server and the door lock device and the handheld terminal and guarantees accurate transmission of the information.
In this embodiment, the control module is respectively connected with the receiving module and the feedback module in a communication manner, the receiving module is respectively connected with the second NFC module and the password verification module in a communication manner, a user inputs an unlocking instruction or triggers an unlocking action through an interface operation unit of the handheld terminal, when the handheld terminal of the user approaches to the door lock device, the second NFC module reads NFC tag information of the terminal and sends the information to the receiving module, at this time, the password verification module is responsible for verifying the correctness of the electronic password generated by the password retrieval module, when the user sends the unlocking instruction through the handheld terminal, the password verification module receives the corresponding electronic password and verifies the electronic password, and if the password is wrong, the password verification module refuses to execute the unlocking operation and sends error information to the control module; if the password is correct, the password verification module sends a confirmation signal to the receiving module, the receiving module immediately executes corresponding actions after receiving an unlocking command forwarded by the server, the receiving module firstly verifies the completeness and correctness of the command, then controls the door lock assembly to unlock or lock, in the process, the door lock assembly drives the expansion and contraction of the lock tongue according to the command of the receiving module to realize the unlocking or closing of the door lock, the door lock device feeds back the execution state to the server in real time when unlocking or locking is carried out, and the server immediately sends an alarm to the handheld terminal through a wireless network after receiving the feedback, wherein the alarm can be a vibration prompt, a sound prompt or a screen prompt so as to inform a user that the door lock is successfully unlocked or closed.
In addition, in order to ensure the safety and traceability of the system, the door lock device stores unlocking information after unlocking or locking is finished, the information comprises unlocking time, unlocking instruction sources, unlocking operation results and the like, meanwhile, the door lock device also sends the unlocking information to a server for storage, the server stores the information in a storage unit after receiving the information so as to facilitate subsequent management and inquiry, in this way, the remote unlocking function is realized, the real-time feedback and unlocking information storage function is also provided, the safety and convenience of the door lock system are greatly improved, a user can check the state and history of the door lock at any time through a handheld terminal, and an administrator can conduct centralized management and monitoring on the door lock system through the server.
The door lock assembly comprises a lock body, a mechanical lock core, keys and LED indicator lamps, wherein the keys and the LED indicator lamps are arranged on the surface of the lock body and are respectively in communication connection with the control module, information input by a user through the keys can be transmitted to the control module for processing, and the LED indicator lamps are used for displaying the state of the door lock or providing operation feedback, for example, when the door lock is successfully unlocked, the LED indicator lamps can be lightened to be green; when the password input error or the door lock is in a locking state, the LED indicator lamp may be lightened to red, the corresponding state is displayed according to the instruction of the control module, the monitoring unit and the alarm unit are arranged in the lock body and are respectively in communication connection with the control module, the monitoring unit is responsible for detecting the opening or closing state of the lock body, the state of the door can be detected through a sensor or other mechanisms, the information is transmitted to the control module, then the control module can judge whether the door lock is in a safe state according to the information, corresponding measures are taken, when the monitoring unit detects abnormal conditions, such as illegal opening or damage of the lock body, the alarm unit can trigger an alarm mechanism, including sending high-decibel sound alarm, sending alarm information to the handheld terminal or triggering other safety mechanisms, and through sending an alarm to the handheld terminal, a user can timely know the abnormal condition of the door lock and take corresponding measures.
The control module is also provided with a first storage unit and a second storage unit, the first storage unit is specially used for storing master lock body information and electronic passwords corresponding to the master lock body information, the master lock body information generally comprises key data such as identification codes, authority levels and the like related to a master, the key data are important basis for verifying the identity and the authority of the master, the electronic passwords corresponding to the master lock body information are dynamic or static passwords subjected to encryption treatment and are used for the master to remotely unlock through a handheld terminal or other authorization equipment, and the system can ensure that only the authorized master can access and use specific door lock functions through the storage and management of the first storage unit, so that the safety of the door lock is improved; the second storage unit is mainly used for storing the visitor lock information and the corresponding electronic passwords thereof, the visitor lock information generally comprises the identification code, the access right, the valid period and the like of the visitor, the electronic passwords corresponding to the visitor lock information are temporary passwords generated for single access or fixed passwords set for multiple accesses, the host can conveniently manage the access right of the visitor, such as setting the valid period, limiting the access time and the like of the visitor passwords, and meanwhile, the system can ensure that the safety of the door lock is not abused by the visitor while ensuring the convenience through the generation and management of the visitor passwords by the control module. In addition, the control module can update, delete or query the information in the first storage unit and the second storage unit according to the requirement so as to adapt to different use scenes and requirements, for example, when the visitor leaves or the access authority expires, the host can remotely delete the corresponding visitor lock information and the electronic password through the handheld terminal.
The door lock control assembly further comprises a clock chip which is respectively in communication connection with the receiving module and the feedback module, when the door lock receives unlocking or locking instructions and executes corresponding actions, the clock chip can accurately record the time of the unlocking and locking time information, the clock chip feeds back the unlocking and locking time information to the control module, the control module can further process and analyze the time information after receiving the information, for example, the time information is stored in an internal memory, or the time information is sent to a server through a wireless network to be remotely stored and managed, which is critical to tracking the service condition of the door lock and ensuring the safety, and if the clock chip has deviation or faults, the unlocking and locking time can be inaccurately recorded, so that the safety and reliability of the system are affected.
The wireless communication module adopts a serial Wi-Fi module which is universal to the mobile terminal, the door lock system can easily convert serial or TTL level data into embedded data which accords with Wi-Fi wireless network communication standards, and wireless connection is realized with mobile equipment such as a smart phone, a tablet personal computer and the like, so that functions of remote unlocking, monitoring of door lock states and the like are realized, a wireless network protocol IEEE802.11b.g.n protocol stack and a TCP/IP protocol stack are built in, the door lock system can support various wireless network standards and can be in seamless butt joint with the Internet, the IEEE802.11b.g.n protocol stack provides data transmission options with different speeds, the system can select the most suitable transmission speed according to network environments and requirements, the TCP/IP protocol stack ensures that the door lock system can carry out reliable data exchange with other equipment on the Internet, and the design also enhances the safety of the door lock system. Meanwhile, the built-in protocol stack can also provide data integrity check and error recovery functions, so that the stability of the system is further enhanced.
The principle of the embodiment of the application is as follows: the user inputs unlocking or locking instructions through the interface operation unit of the handheld terminal, the password calling module of the handheld terminal can generate an electronic password corresponding to the door lock device and sends the electronic password to the door lock device for verification through the first NFC module or the wireless communication module, the second NFC module reads NFC labels of the handheld terminal to ensure that only authorized users can unlock the door, then the control module sends the instructions to the server through the wireless communication module, the server receives the instructions and then processes the instructions through the data processing unit, the execution instructions are sent to the door lock control assembly of the door lock device, the receiving module of the door lock control assembly receives the instructions and then controls the door lock assembly to execute corresponding actions, and the execution results are fed back to the server through the feedback module.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, wherein like reference numerals are used to refer to like elements throughout. Therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (8)
1. An intelligent door lock system based on handheld terminal, its characterized in that: the NFC card reader comprises a server, a wireless communication module, a door lock device and a handheld terminal, wherein the door lock device and the handheld terminal are respectively provided with an NFC card reader, and are in remote communication connection with the server through the wireless communication module;
the handheld terminal comprises an interface operation unit, a control module, a password calling module and a first NFC module, wherein the control module is respectively in communication connection with the password calling module and the first NFC module;
The door lock device comprises a door lock assembly and a door lock control assembly, wherein the door lock control assembly comprises a receiving module, a feedback module, a password verification module and a second NFC module, the receiving module is used for receiving information sent by the control module and executing unlocking or locking instructions, the feedback module is used for feeding back execution data to the control module, the second NFC module is used for reading NFC labels of the handheld terminals, and the password verification module is used for verifying electronic passwords generated by the password calling module;
the server comprises a data processing unit, a storage unit and a communication unit which are mutually connected in a communication way, and the data processing unit is in remote communication connection with the door lock device and the handheld terminal through a wireless network.
2. The intelligent door lock system based on the handheld terminal as claimed in claim 1, wherein: the control module is respectively in communication connection with the receiving module and the feedback module, and the receiving module is respectively in communication connection with the second NFC module and the password verification module.
3. The intelligent door lock system based on the handheld terminal as claimed in claim 2, wherein: the handheld terminal sends an unlocking instruction to the receiving module in a long distance through the server, the receiving module receives the unlocking instruction and then controls the door lock assembly to unlock or lock the door lock assembly, an alarm is sent to the handheld terminal through the server when the door lock assembly is unlocked or locked, unlocking information is stored after unlocking or locking is completed, and meanwhile unlocking information is sent to the server to be stored.
4. The intelligent door lock system based on the handheld terminal as claimed in claim 1, wherein: the door lock assembly comprises a lock body, a mechanical lock core, a key and an LED indicator lamp, wherein the key and the LED indicator lamp are arranged on the surface of the lock body, and the key and the LED indicator lamp are respectively in communication connection with the control module.
5. The intelligent door lock system based on the handheld terminal as claimed in claim 4, wherein: the lock body is internally provided with a monitoring unit and an alarm unit, the monitoring unit and the alarm unit are respectively in communication connection with the control module, the monitoring unit is used for detecting the opening or closing of the lock body, and the alarm unit is used for sending an alarm to the handheld terminal.
6. The intelligent door lock system based on the handheld terminal as claimed in claim 1, wherein: the control module is internally provided with a first storage unit and a second storage unit, wherein the first storage unit is used for storing master lock information and electronic passwords corresponding to the master lock information, and the second storage unit is used for storing visitor lock information and electronic passwords corresponding to the visitor lock information.
7. The intelligent door lock system based on the handheld terminal as claimed in claim 1, wherein: the door lock control assembly further comprises a clock chip which is respectively in communication connection with the receiving module and the feedback module and is used for feeding back unlocking time and locking time to the control module.
8. The intelligent door lock system based on the handheld terminal as claimed in claim 1, wherein: the wireless communication module adopts a serial Wi-Fi module universal for the mobile terminal, and a built-in wireless network protocol IEEE802.11b.g.n protocol stack and a TCP/IP protocol stack are adopted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410331022.XA CN118053226A (en) | 2024-03-22 | 2024-03-22 | Intelligent door lock system based on handheld terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410331022.XA CN118053226A (en) | 2024-03-22 | 2024-03-22 | Intelligent door lock system based on handheld terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118053226A true CN118053226A (en) | 2024-05-17 |
Family
ID=91044799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410331022.XA Pending CN118053226A (en) | 2024-03-22 | 2024-03-22 | Intelligent door lock system based on handheld terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118053226A (en) |
-
2024
- 2024-03-22 CN CN202410331022.XA patent/CN118053226A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106373228B (en) | A kind of passive lock system of intelligent and safe and its method for unlocking | |
| US20180359635A1 (en) | Securitization of Temporal Digital Communications Via Authentication and Validation for Wireless User and Access Devices | |
| CN107288443B (en) | A kind of finger vein intelligent door lock control system | |
| CN111554020A (en) | Internet of things access control system based on RFID and biological identification | |
| CN212256412U (en) | Internet of things access control system based on RFID and biological identification | |
| CN109712300A (en) | A kind of unlocking system based on network identification card certification | |
| CN206522020U (en) | A kind of intelligent door lock and system | |
| CN106327652B (en) | Electric intelligent door lock Fingerprint Lock protects system and method | |
| CN207198943U (en) | Finger vein identification access control system based on intelligent management | |
| CN204759558U (en) | Intelligent entrance guard , equipment and system | |
| CN112702413B (en) | Intelligent escort cash box system, control method, computer equipment and storage medium | |
| CN201261989Y (en) | Identity-recognition intelligent electronic lock | |
| CN108234510A (en) | Server cabinet management method, device and its system | |
| CN103226856B (en) | Multi-identification based security system | |
| CN105128818A (en) | Multistage-identity-authentication car remote controlled key and work method thereof | |
| CN107767514A (en) | Key of safety encryption matrix contact type electronic lock | |
| CN113971849A (en) | Dynamic coded lock with management system | |
| CN104835231B (en) | A kind of recognition of face lockset | |
| CN109961546A (en) | Intelligent networking locking device based on wireless communication technique | |
| CN207123882U (en) | A kind of antitheft cloud service door-locking system of multiple intelligent | |
| CN111325881B (en) | Lockset and two-dimension code control method thereof | |
| CN202939674U (en) | Multiple safety management security device and system | |
| CN211081332U (en) | Intelligent door lock | |
| CN109671200B (en) | Fingerprint identification lock system based on thing networking | |
| CN110223420A (en) | A kind of fingerprint unlocking system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |