CN111667620A - Video snapshot system based on composite networking door lock and snapshot method thereof - Google Patents
Video snapshot system based on composite networking door lock and snapshot method thereof Download PDFInfo
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- CN111667620A CN111667620A CN202010383038.7A CN202010383038A CN111667620A CN 111667620 A CN111667620 A CN 111667620A CN 202010383038 A CN202010383038 A CN 202010383038A CN 111667620 A CN111667620 A CN 111667620A
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- 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
- G07C9/20—Individual registration on entry or exit involving the use of a pass
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- 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
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/27—Individual registration on entry or exit involving the use of a pass with central registration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
Abstract
The invention discloses a video snapshot system based on a composite networking door lock and a snapshot method thereof, wherein the video snapshot system comprises a main controller, and the main controller comprises a snapshot control end; the intelligent door lock comprises an entrance guard card reader and a low-power consumption 2.4G wireless transmitting end, and the main controller is wirelessly connected with the entrance guard card reader through the low-power consumption 2.4G wireless transmitting end; the video snapshot device comprises a plurality of camera modules and a temporary storage database, the master controller is connected with the entrance guard card reader to receive the opening and closing information of the entrance guard card reader, the camera modules are connected with the temporary storage database, the snapshot information of the camera modules is transmitted to the temporary storage database to be stored, and the snapshot control end controls the camera modules to snapshot according to the opening and closing information of the entrance guard card reader.
Description
Technical Field
The invention relates to the field of access networking, in particular to a video snapshot system based on a composite networking door lock and a snapshot method thereof.
Background
With the continuous expansion, perfection and deepening of the construction of an informatization security campus, the exchange and sharing of information are realized, the problems of information isolated island, disordered resource management and the like are solved, and the outstanding requirements are met, the offices, laboratories, conference rooms, classrooms, dormitories and the like of the schools all involve the entrance and exit of personnel, the traditional keys are still used for management in the occasions which are necessary every day, the management of university campus departments increasingly faces the requirement from the traditional mechanical key management to the informatization management, the security campus needs to provide strong basic technical support for the conversion, the resources are reasonably utilized by adopting an informatization technology and a campus networking lock management means, and the service quality is improved; meanwhile, aiming at the increasingly serious condition of the key management safety problem, the measures of wireless door lock informatization management are adopted to ensure the safety of the entrance and the exit of each gate point of university.
At present, most door points in various colleges still adopt the traditional mechanical keys to open the doors (classrooms, offices, dormitories and the like), and the key management in the occasions has a plurality of disadvantages. School has generally adopted intelligent access control system in-service use, and on the other hand, video snapshot system usually passes through the camera installation always, and need key protection or observation in some important occasions, but can't directly produce the linkage with access control system to the comprehensive cost of video snapshot system's independent installation is higher. In addition, the timing of capturing the video is usually set to be constant or fixed, and it is difficult to directly capture a direct screen while consuming power.
Disclosure of Invention
The invention aims to solve the technical problem of providing a video snapshot system based on a composite networking door lock and a snapshot method thereof, which can be combined with a composite access control system, combine access control information with snapshot, and further ensure the snapshot accuracy of the snapshot system and the internal safety.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a video snapshot system based on compound network deployment lock includes:
the master controller comprises a snapshot control end;
the intelligent door lock comprises an entrance guard card reader and a low-power consumption 2.4G wireless transmitting end, and the main controller is wirelessly connected with the entrance guard card reader through the low-power consumption 2.4G wireless transmitting end; and
the video snapshot device comprises a plurality of camera modules and a temporary storage database, the master controller is connected with the entrance guard card reader to receive the opening and closing information of the entrance guard card reader, the camera modules are connected with the temporary storage database, the snapshot information of the camera modules is transmitted to the temporary storage database to be stored, and according to the opening and closing information of the entrance guard card reader, the snapshot control end controls the camera modules to snapshot.
Preferably, the intelligent door lock further comprises a plurality of expansion modules, wherein the master controller is in wired connection with the expansion modules, a CAN bus expansion device is arranged between the master controller and the expansion modules and comprises a main processor and a plurality of expansion processing interfaces, the main processor is connected with the master controller, the expansion processing interfaces are connected with the expansion modules, the expansion modules are in wireless connection with the intelligent door lock, and the expansion modules are in wireless connection with the low-power-consumption 2.4G wireless transmitting end.
Preferably, the number of the expansion modules which can be accessed by the master controller ranges from 1 to 32, and the number of the expansion modules which can be accessed by the intelligent door lock ranges from 1 to 4.
Preferably, the low-power consumption 2.4G wireless transmitting terminal includes a transmission module and a dormancy awakening module, the transmission module with the dormancy awakening module all connects the master controller, the low-power consumption 2.4G wireless transmitting terminal still includes an intelligent frequency hopping module, current interference frequency range is discerned to the intelligent frequency hopping module, automatic frequency hopping.
Preferably, the intelligent door lock further comprises a fault detection module, the fault detection module is in communication connection with the snapshot control end, and when the fault detection module detects a fault of the intelligent door lock, fault information is output and transmitted to the snapshot control end to complete snapshot.
Preferably, the system further comprises a cloud platform, wherein the cloud platform is in communication connection with the temporary storage database and receives the snapshot information in the temporary storage database.
The invention further comprises a snapshot method based on the video snapshot system, which comprises the following steps:
(a) the entrance guard card reader receives the current opening information of the intelligent door lock and transmits the information to the main controller, the snapshot control end controls the camera module to take a snapshot, and the snapshot information is transmitted to the temporary storage database; and
(b) the entrance guard card reader receives the current closing information of the intelligent door lock and transmits the closing information to the main controller, the snapshot control end controls the camera module to snapshot, and the snapshot information is transmitted to the temporary storage database.
Preferably, the method further comprises the following steps:
(c) after receiving the opening information and before closing the information, the snapshot control end controls the camera module to snapshot at intervals;
(d) the fault detection module detects fault information of the intelligent door lock and transmits the fault information to the main controller, and the snapshot control end controls the camera module to snapshot.
Preferably, the method further comprises the following steps:
(e) the temporary storage database transmits the snapshot information to the cloud platform, and the cloud platform analyzes and displays the snapshot information.
Preferably, the method further comprises the following steps:
(d1) when the card reading information of the first linked intelligent access control does not accord with the corresponding snapshot information, warning information is output;
(d2) the master controller controls the other linked intelligent door locks to read the current card reading information in a limiting way;
(d3) and when the authorization information of the cloud platform is acquired, the intelligent door lock is opened again to read the current card reading information.
By adopting the technical scheme, the composite networking access control system has the beneficial effects that:
1. the combination of the access control system and the video snapshot system can effectively perform snapshot;
2. and the cloud platform integrates the snapshot information and performs remote control and centralized platform processing.
Drawings
FIG. 1 is a schematic diagram of system connections of a video capture system according to the present invention;
FIG. 2 is a schematic diagram of a system architecture of the video capture system of the present invention;
fig. 3 is a flow chart of a capturing method of the video capturing system of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 and 2, in an embodiment of the present invention, a video capture system is provided, where the video capture system includes a master controller 10, and the master controller 10 is configured to access a current network wiring system, that is, the master controller 10 is directly connected to a network cable, and in a campus access scenario, the master controller 10 is connected to a local network inside a campus, so that the master controller 10 is better guaranteed in terms of security and network adaptability.
Compound networking access control system still includes a plurality of extension modules 20 and a plurality of intelligent lock 30, master controller 10 with connect through the CAN bus between the extension module 20, correspond and be provided with CAN bus extension device 40, CAN bus extension device 40 includes a host processor 41 and a plurality of extension processing interface 42, extension processing interface 42 corresponds and connects extension module 20, controller 10 connects host processor 41 makes master controller 10 CAN carry a plurality of extension modules 20.
Specifically, the master controller 10 adopts an industrial processor, and the power supply voltage: DC 9-24V; an embedded Linux operating system; and carrying out data interaction with a server through a network port, wherein the network port type is as follows: 10/100M adaptation; the CAN + port communication rate is 125000 bps; the number of local storage records is circularly stored for 300 ten thousand; the maximum number of the extension modules 20 that can be mounted is 32.
The expansion module 20 is wired to the master controller 10 through a CAN bus expansion device 40, and is wirelessly connected to the intelligent door lock 30. The expansion module 20 and the intelligent door lock 30 realize wireless communication through a low-power consumption 2.4G wireless protocol, and specifically, a low-power consumption 2.4G wireless transmitting terminal 50 is arranged in the intelligent door lock 30. It should be noted that the expansion module 20 can be wirelessly connected to 4 intelligent door locks 30 at the same time.
In a common 2.4G wireless communication protocol, due to the need of achieving adaptability to a plurality of application devices in the underlying technology, the energy consumption is too high, and thus the power supply needs to be replaced frequently. Or to reduce power consumption, the real-time performance of communication is reduced. Therefore, in optimizing the power consumption of the communication protocol between the expansion module 20 and the intelligent door lock 30, the problems of power consumption and real-time networking must be solved.
The low-power consumption 2.4G wireless transmitting terminal 50 is provided with a transmission module 51 and a sleep wake-up module 52, the transmission module 51 can complete transmission in a short time, and the sleep wake-up module 52 can enable the low-power consumption 2.4G wireless transmitting terminal 50 to be in a sleep state under the condition of no communication, and the wake-up time of the sleep wake-up module 52 only needs 0.2 milliseconds.
Specifically, the transmission module 51 communicates at least once per second, the transmission module 51 is connected to the expansion module 20, the real-time performance is strong, and the transmission module 51 can also transmit communication data to other background centers. In addition, the low-power 2.4G wireless transmitting terminal 50 further includes an intelligent frequency hopping module 53, and the intelligent frequency hopping module 53 intelligently identifies the interference frequency band, can identify the interference frequency band, i.e. automatically frequency hopping, and avoids interference.
The smart door lock 30 includes an entrance guard card reader 31 and a fault detection module 32, wherein the entrance guard card reader 31 is configured to read current information of people entering and exiting the entrance guard, and the entrance guard card reader reads the current information of people in combination with image information.
The video snapshot system further comprises a video snapshot device 70, the main controller 10 comprises a snapshot control end 11, and the snapshot control end 11 controls the video snapshot device 70 to perform snapshot. The video capturing device 70 comprises a plurality of camera modules 71 and a temporary storage database 72, wherein the capturing control end 11 directly controls the camera modules 71 to capture, and the camera modules 71 transmit captured image information to the temporary storage database 72 for storage.
The video capturing system comprises a cloud platform 60, wherein the cloud platform 60 is provided with a database 61, the database 61 is provided with a plurality of storage information, and the storage information comprises each piece of card reading information and corresponding images, such as Zhang III and Zhang III images. The cloud platform 60 further includes a judging module 62, where the judging module 62 judges the current card reading information of the card reader, then the snapshot control terminal 11 controls the camera module 71 to shoot, and the snapshot image information shot by the camera module 71 is stored in the temporary storage database 72.
The judging module 62 obtains the snapshot information of the camera module 71 and the storage information obtained from the database 61 from the temporary storage database 72, and the judging module 62 compares the current snapshot information, the storage information and the current card reading information to judge whether the three are in accordance with each other.
When the judgment module 62 judges that the smart door locks are matched, the cloud platform 60 outputs correct passing information, and meanwhile, the cloud platform 60 controls the smart door locks 30. Generally, in important places such as laboratories, data rooms and the like, more than one entrance guard is provided in the places, and 2-3 entrance guards are provided in the places. And these entrance guards are installed respectively intelligent lock 30, cloud platform 60 linkage is a plurality of intelligent lock 30 carries out coordinated control.
That is, when the card reading information output from the outermost smart door lock 30 does not correspond to the stored information in the cloud platform 60, the cloud platform 60 outputs the current warning information. The warning message is transmitted to the master controller 10, and the master controller 10 locks the next linked intelligent door lock 30.
At this time, the cloud platform 60 is provided with an authorization module 63, and when the authorization module 63 outputs authorization information, the master controller 10 unblocks the smart door lock 30. For example, if zhang san wants to enter the last door, the authorizer authorizes the last door in the authorization module 63 of the cloud platform 60, and then the last door can be accessed through the smart gate 30.
In this process, if someone steals the card reader of zhang san, when the person enters the first gate, the smart gate 30 outputs the current card reading information, and the cloud platform 60 receives the card reading information and the snapshot information, which are not corresponding to each other. Then, at this time, the cloud platform 60 outputs a warning message to control the remaining smart door locks 30 not to read the current card reader of third.
Because the video snapshot system adopts a composite networking mode, the whole video snapshot and the access control system can be combined more effectively.
According to the system content in the embodiment, the main controller 10 is internally provided with a military-level processor, encryption transmission is carried out, the platform adopts AES128 algorithm encryption communication, ten thousand pieces of data are easily processed under the 1M environment, the design of the system has high reliability, the product is mature and stable in performance, the long-time fault-free operation of the system is ensured, the accuracy, the integrity and the consistency of the data can be ensured even after the interruption caused by an accident occurs, and the normal operation can be quickly recovered. In addition, the main controller 10 can support data concurrent transmission communication, and is suitable for the actual management requirements of a large-scale door network for frequently uploading card swiping data and issuing batch information.
The cloud platform 60 strictly controls the operation authority of the administrator, and can adopt installation of a firewall, installation of antivirus software, network database backup and the like to ensure safe and normal operation of the database server and each workstation. The authority of the loss reporting card and the black name single card can be cancelled in real time, thereby preventing fraudulent use and abuse and ensuring the safety of the whole system.
As shown in fig. 3, according to the above specific system content, the present invention further provides a snapshot method based on a video snapshot system, which includes the following steps:
(a) the entrance guard card reader receives the current opening information of the intelligent door lock and transmits the information to the main controller, the snapshot control end controls the camera module to take a snapshot, and the snapshot information is transmitted to the temporary storage database; and
(b) the entrance guard card reader receives the current closing information of the intelligent door lock and transmits the closing information to the main controller, the snapshot control end controls the camera module to snapshot, and the snapshot information is transmitted to the temporary storage database.
Further, after the step (b), the method further comprises the step (c) that after the opening information is received and before the information is closed, the snapshot control end controls the camera module to snapshot at intervals;
(d) the fault detection module detects fault information of the intelligent door lock and transmits the fault information to the main controller, and the snapshot control end controls the camera module to snapshot.
Further, after the step (d), the following steps are included:
(e) the temporary storage database transmits the snapshot information to the cloud platform, and the cloud platform analyzes and displays the snapshot information.
Further, after the step (e), the following steps are included:
(d1) when the card reading information of the first linked intelligent access control does not accord with the corresponding snapshot information, warning information is output;
(d2) the master controller controls the other linked intelligent door locks to read the current card reading information in a limiting way;
(d3) and when the authorization information of the cloud platform is acquired, the intelligent door lock is opened again to read the current card reading information.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (10)
1. The utility model provides a video snapshot system based on compound network deployment lock which characterized in that includes:
the master controller comprises a snapshot control end;
the intelligent door lock comprises an entrance guard card reader and a low-power consumption 2.4G wireless transmitting end, and the main controller is wirelessly connected with the entrance guard card reader through the low-power consumption 2.4G wireless transmitting end; and
the video snapshot device comprises a plurality of camera modules and a temporary storage database, the master controller is connected with the entrance guard card reader to receive the opening and closing information of the entrance guard card reader, the camera modules are connected with the temporary storage database, the snapshot information of the camera modules is transmitted to the temporary storage database to be stored, and according to the opening and closing information of the entrance guard card reader, the snapshot control end controls the camera modules to snapshot.
2. The video capturing system of claim 1, further comprising a plurality of expansion modules, wherein the main controller is connected to the expansion modules by wires, a CAN bus expansion device is disposed between the main controller and the expansion modules, the CAN bus expansion device includes a main processor and a plurality of expansion processing interfaces, the main processor is connected to the main controller, the expansion processing interfaces are connected to the expansion modules, the expansion modules are wirelessly connected to the smart door lock, and the expansion modules are wirelessly connected to the low-power 2.4G wireless transmitter.
3. The video snapshot system of claim 2, wherein the number of said expansion modules that can be accessed by said master controller ranges from 1 to 32, and the number of said expansion modules that can be accessed by said smart door lock ranges from 1 to 4.
4. The video capturing system of any of claims 1-3, wherein the low power 2.4G wireless transmitter comprises a transmission module and a sleep wake-up module, the transmission module and the sleep wake-up module are both connected to the main controller, and the low power 2.4G wireless transmitter further comprises an intelligent frequency hopping module, the intelligent frequency hopping module identifies a current interference frequency band and automatically hops frequencies.
5. The video capturing system of claim 4, wherein the intelligent door lock further comprises a fault detection module, the fault detection module is communicatively connected to the capturing control terminal, and when the fault detection module detects a fault of the intelligent door lock, the fault detection module outputs a fault message and transmits the fault message to the capturing control terminal to complete capturing.
6. The video capturing system of claim 5, further comprising a cloud platform and a database, wherein the cloud platform is communicatively connected to the database and receives the image information and capturing information in the database, the cloud platform further comprises a judging module and an authorizing module, wherein the judging module receives the card reading information of the intelligent door lock and the capturing information of the video capturing device for judgment, and the authorizing module receives a current authorization right to control the intelligent door lock to be authorized and opened.
7. A snapshot method based on a video snapshot system is characterized by comprising the following steps:
(a) the entrance guard card reader receives the current opening information of the intelligent door lock and transmits the information to the main controller, the snapshot control end controls the camera module to take a snapshot, and the snapshot information is transmitted to the temporary storage database; and
(b) the entrance guard card reader receives the current closing information of the intelligent door lock and transmits the closing information to the main controller, the snapshot control end controls the camera module to snapshot, and the snapshot information is transmitted to the temporary storage database.
8. The snapshot method of claim 7, further comprising the steps of:
(c) after receiving the opening information and before closing the information, the snapshot control end controls the camera module to snapshot at intervals;
(d) the fault detection module detects fault information of the intelligent door lock and transmits the fault information to the main controller, and the snapshot control end controls the camera module to snapshot.
9. The snapshot method of claim 8, further comprising the steps of:
(e) the temporary storage database transmits the snapshot information to the cloud platform, and the cloud platform analyzes and displays the snapshot information.
10. The snapshot method of claim 9, further comprising the steps of:
(d1) when the card reading information of the first linked intelligent access control does not accord with the corresponding snapshot information, warning information is output;
(d2) the master controller controls the other linked intelligent door locks to read the current card reading information in a limiting way;
(d3) and when the authorization information of the cloud platform is acquired, the intelligent door lock is opened again to read the current card reading information.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010383038.7A CN111667620A (en) | 2020-05-08 | 2020-05-08 | Video snapshot system based on composite networking door lock and snapshot method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010383038.7A CN111667620A (en) | 2020-05-08 | 2020-05-08 | Video snapshot system based on composite networking door lock and snapshot method thereof |
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| CN111667620A true CN111667620A (en) | 2020-09-15 |
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| CN202010383038.7A Pending CN111667620A (en) | 2020-05-08 | 2020-05-08 | Video snapshot system based on composite networking door lock and snapshot method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113240873A (en) * | 2021-04-19 | 2021-08-10 | 东莞市派能佛电子科技有限公司 | Fire door monitoring system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201489361U (en) * | 2009-09-27 | 2010-05-26 | 贾恒石 | Extensible zone controller based on CAN bus |
| CN101833802A (en) * | 2010-04-02 | 2010-09-15 | 杭州英杰电子有限公司 | Large real-time wireless networking door control system powered by dry battery |
| CN102256341A (en) * | 2010-05-19 | 2011-11-23 | 王海泉 | Method for reducing power consumption of high-frequency wireless smart card |
| CN103268652A (en) * | 2013-05-17 | 2013-08-28 | 广东建邦计算机软件有限公司 | Entrance guard monitoring system and method based on residence permit entrance cards |
| CN203630575U (en) * | 2013-12-24 | 2014-06-04 | 南京科远自动化集团股份有限公司 | Communication structure between controller and expansion modules |
| CN104464053A (en) * | 2014-12-05 | 2015-03-25 | 柳州市联达科技有限公司 | Wiring-free access control card reader |
| CN107023224A (en) * | 2017-03-01 | 2017-08-08 | 曹汉添 | Door lock method for controlling opening and closing and control system based on active security protection |
| CN108932779A (en) * | 2018-07-17 | 2018-12-04 | 叶春林 | Prevent Household door lock by pirate of the open or the mode of exception |
-
2020
- 2020-05-08 CN CN202010383038.7A patent/CN111667620A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201489361U (en) * | 2009-09-27 | 2010-05-26 | 贾恒石 | Extensible zone controller based on CAN bus |
| CN101833802A (en) * | 2010-04-02 | 2010-09-15 | 杭州英杰电子有限公司 | Large real-time wireless networking door control system powered by dry battery |
| CN102256341A (en) * | 2010-05-19 | 2011-11-23 | 王海泉 | Method for reducing power consumption of high-frequency wireless smart card |
| CN103268652A (en) * | 2013-05-17 | 2013-08-28 | 广东建邦计算机软件有限公司 | Entrance guard monitoring system and method based on residence permit entrance cards |
| CN203630575U (en) * | 2013-12-24 | 2014-06-04 | 南京科远自动化集团股份有限公司 | Communication structure between controller and expansion modules |
| CN104464053A (en) * | 2014-12-05 | 2015-03-25 | 柳州市联达科技有限公司 | Wiring-free access control card reader |
| CN107023224A (en) * | 2017-03-01 | 2017-08-08 | 曹汉添 | Door lock method for controlling opening and closing and control system based on active security protection |
| CN108932779A (en) * | 2018-07-17 | 2018-12-04 | 叶春林 | Prevent Household door lock by pirate of the open or the mode of exception |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113240873A (en) * | 2021-04-19 | 2021-08-10 | 东莞市派能佛电子科技有限公司 | Fire door monitoring system |
| CN113240873B (en) * | 2021-04-19 | 2022-05-31 | 东莞市派能佛电子科技有限公司 | Fire door monitoring system |
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Application publication date: 20200915 |