CN111600938A - Law enforcement data acquisition method and system - Google Patents
Law enforcement data acquisition method and system Download PDFInfo
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- CN111600938A CN111600938A CN202010358931.4A CN202010358931A CN111600938A CN 111600938 A CN111600938 A CN 111600938A CN 202010358931 A CN202010358931 A CN 202010358931A CN 111600938 A CN111600938 A CN 111600938A
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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
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0893—Assignment of logical groups to network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
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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
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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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
Abstract
The invention provides a law enforcement data acquisition method and a system, wherein the method comprises the following steps: the law enforcement data acquisition equipment provides configuration information to the law enforcement recorder, and the configuration information comprises an IP address, a port, a user name and a password of the law enforcement data acquisition equipment; the law enforcement data acquisition equipment receives a communication request initiated after the law enforcement data acquisition instrument acquires configuration information and performs corresponding configuration; after the verification is successful, the law enforcement data acquisition equipment establishes a session with the law enforcement recorder, continuously receives a data packet sent by the law enforcement recorder and updates the online time of the law enforcement recorder; the law enforcement data acquisition equipment detects the time length from the last update of the online state of the law enforcement recorder in real time, and if the preset time length is exceeded, the conversation with the law enforcement recorder is terminated. By adopting a wireless transmission mode, the law enforcement recorder which simultaneously uploads data does not have the limitation of acquisition speed and the limitation of concurrent acquisition number, the concurrent acquisition number of the law enforcement recorder is improved, and the timeliness of data uploading is improved.
Description
Technical Field
The invention relates to the technical field of law enforcement data transmission, in particular to a law enforcement data acquisition method and system.
Background
At present, with the development of wireless technology, the application range of law enforcement recorder equipment based on the wireless technology is more extensive, the law enforcement recorder equipment is frequently used in public security, traffic police, fire fighting and other institutions, the requirements of the institutions on the allocation rate of the law enforcement recorder are higher, the number of the recorders allocated in each unit is larger, and more law enforcement data acquisition equipment is needed to meet the data acquisition requirements of users. At present, most of the law enforcement data acquisition equipment on the market supports simultaneous acquisition of 21 or less law enforcement recorders, the speed of simultaneous acquisition is about 70MB/s, the 32GB law enforcement recorder can finish acquisition within about 2.5 hours, if the number of the recorders owned by a user exceeds the number of interfaces of the law enforcement data acquisition equipment, the user can replace acquisition after waiting for 2.5 hours, and at the moment, the original law enforcement recorder is possibly not fully charged.
Based on prior art law enforcement data acquisition equipment, use the USB interface to charge law enforcement record appearance. In the process of plugging and unplugging for many times, a USB male connector on a workstation or a female connector on a law enforcement recorder is easily damaged, and charging and data acquisition cannot be continued. In the prior art, the acquisition speed of the law enforcement data acquisition equipment is limited by the upper limit of a USB protocol, the access quantity is also limited by the USB protocol, and a USB acquisition module and a touch screen display module occupy a large amount of physical space of a user. The recorder can acquire the law enforcement data only after being physically connected to the USB acquisition module of the law enforcement data acquisition equipment, so that the timeliness of the law enforcement data is greatly reduced.
The above background disclosure is only for the purpose of assisting understanding of the concept and technical solution of the present invention and does not necessarily belong to the prior art of the present patent application, and should not be used for evaluating the novelty and inventive step of the present application in the case that there is no clear evidence that the above content is disclosed at the filing date of the present patent application.
Disclosure of Invention
The invention provides a law enforcement data acquisition method and system for solving the existing problems.
In order to solve the above problems, the technical solution adopted by the present invention is as follows:
a law enforcement data collection method comprising the steps of: s1: the method comprises the steps that the law enforcement data acquisition equipment provides configuration information to a law enforcement recorder, wherein the configuration information comprises an IP address, a port, a user name and a password of the law enforcement data acquisition equipment; s2: the law enforcement data acquisition equipment receives a communication request initiated after the law enforcement recorder acquires configuration information and performs corresponding configuration, wherein the communication request comprises a user name, a password and an authorization code, the user name and the password are used for verifying identity and authority, and the authorization code is used for verifying communication validity; s3: after the verification is successful, the law enforcement data acquisition equipment establishes a session with the law enforcement recorder, continuously receives a data packet sent by the law enforcement recorder and updates the online time of the law enforcement recorder; s4: the law enforcement data acquisition equipment detects the time length from the last updated online state of the law enforcement recorder in real time, and if the time length exceeds the preset time length, the conversation with the law enforcement recorder is terminated.
Preferably, the method further comprises the following steps: and after detecting the online state of the law enforcement recorder, the law enforcement data acquisition equipment sends a data retrieval request to the law enforcement recorder and acquires a data list in the law enforcement recorder responding to the request.
Preferably, the acquiring the data list in the law enforcement recorder specifically includes: when the data in the law enforcement recorder is empty, the law enforcement data acquisition equipment receives the empty data returned by the law enforcement recorder; and when the data in the law enforcement recorder is not empty, the law enforcement data acquisition equipment receives the structured data returned by the law enforcement recorder, wherein the structured data comprises video and audio file names, sizes, recording time and associated service information.
Preferably, the method further comprises the following steps: and processing the structured data, and sending a source file uploading request to the law enforcement recorder by the law enforcement data acquisition equipment for the video and audio files which have service association or are marked as concentrated storage.
Preferably, the law enforcement data acquisition equipment receives a connection request sent by the law enforcement recorder in response to the last request of the sending source file, and receives file transmission of the law enforcement recorder; and after the file is transmitted, the law enforcement data acquisition equipment receives confirmation information of the law enforcement recorder.
Preferably, the method further comprises the following steps: and after detecting the online state of the law enforcement recorder, the law enforcement data acquisition equipment fails to send a data retrieval request to the law enforcement recorder and records error information.
The present invention also provides a law enforcement data collection device, comprising: the network acquisition unit comprises a registration unit, a keep-alive unit, a data acquisition unit and a data storage unit; the registration unit is used for receiving a communication request sent by the law enforcement recorder, wherein the communication request comprises a user name, a password and an authorization code, verifying the identity and the authority of the law enforcement recorder and the validity of communication, and sending abnormal registration information to the law enforcement recorder; the keep-alive unit is used for receiving a keep-alive request sent after the verification of the law enforcement recorder is successful and maintaining the connection with the law enforcement recorder; the data acquisition unit sends a data retrieval request to the law enforcement recorder and acquires a data list in the law enforcement recorder responding to the request; the data storage unit is used for receiving and storing the data list uploaded by the law enforcement recorder; and the data acquisition unit is used for receiving the confirmation information of the law enforcement recorder after the file transmission is finished.
Preferably, the network management device further comprises a network management unit, including: the system comprises a data management unit, a system management unit and a network display unit; the data management unit is used for data query, equipment query and log query, can check detailed information and download video and audio, and marks law enforcement data and equipment information; the system management unit is used for checking, modifying and remotely configuring system setting information; and the network display unit is used for supporting the remote operation of the data management unit and the system management unit.
Preferably, the method further comprises the following steps: a network monitoring unit and a network policy unit; the network monitoring unit is used for monitoring the real-time uploading speed, the number of uploaded files and the number of non-uploaded files and providing data for the network management unit; and the network strategy unit is used for adjusting the file uploading speed and adapting to the requirement of a user on network control.
Preferably, the system further comprises a wireless charging unit for charging the law enforcement recorder in a non-contact manner.
The invention has the beneficial effects that: the law enforcement data acquisition method and system have no limitation on acquisition speed and concurrent acquisition number of a law enforcement recorder which simultaneously uploads data by adopting a wireless transmission mode, improve the concurrent acquisition number of the law enforcement recorder and improve the timeliness of data uploading. The acquisition speed can reach 100MB/s or more, the maximum concurrent acquisition number can reach 65535 theoretical stations, and the data acquisition speed is far higher than that of law enforcement data acquisition equipment based on the prior art.
Furthermore, the law enforcement recorder is connected to the network by using a wireless technology and is connected with the law enforcement data acquisition equipment, the law enforcement recorder does not need to be in wired connection with the law enforcement data acquisition equipment any more, after the user finishes the law enforcement, the data can be uploaded to the law enforcement data acquisition equipment immediately, and background law enforcement personnel can see the law enforcement data immediately and perform the next processing.
Furthermore, the design of the law enforcement data acquisition equipment does not need to design a bin and a lock, so that the design complexity of the law enforcement data acquisition equipment is reduced, and the space occupation is reduced; when uploading the law enforcement data, the user does not need to access the recorder into the law enforcement data acquisition equipment, and does not need to take the recorder from the workstation during use, so that the use is more convenient.
Drawings
FIG. 1 is a schematic diagram of a law enforcement data collection method in an embodiment of the present invention.
Fig. 2 is a schematic diagram of a network acquisition unit in an embodiment of the present invention.
Fig. 3 is a schematic diagram of a network management unit in an embodiment of the invention.
FIG. 4 is a schematic diagram of a law enforcement data collection system in an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the embodiments of the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. In addition, the connection may be for either a fixing function or a circuit connection function.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the embodiments of the present invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be in any way limiting of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
As shown in fig. 1, a law enforcement data collection method includes the following steps:
s1: the method comprises the steps that the law enforcement data acquisition equipment provides configuration information to a law enforcement recorder, wherein the configuration information comprises an IP address, a port, a user name and a password of the law enforcement data acquisition equipment;
s2: the law enforcement data acquisition equipment receives a communication request initiated after the law enforcement recorder acquires configuration information and performs corresponding configuration, wherein the communication request comprises a user name, a password and an authorization code, the user name and the password are used for verifying identity and authority, and the authorization code is used for verifying communication validity;
s3: after the verification is successful, the law enforcement data acquisition equipment establishes a session with the law enforcement recorder, continuously receives a data packet sent by the law enforcement recorder and updates the online time of the law enforcement recorder;
s4: the law enforcement data acquisition equipment detects the time length from the last updated online state of the law enforcement recorder in real time, and if the time length exceeds the preset time length, the conversation with the law enforcement recorder is terminated.
The above method is described from the perspective of law enforcement data collection equipment, it being understood that the above method may also be described from the perspective of law enforcement recorders.
Law enforcement data acquisition equipment based on the prior art mostly supports simultaneous acquisition of 21 or less law enforcement recorders, the total speed is about 70MB/s, the 32GB law enforcement recorder needs about 2.5 hours to complete acquisition, if the number of the recorders owned by a user exceeds the number of interfaces of the law enforcement data acquisition equipment, the user needs to wait for 2.5 hours before replacing acquisition, and at the moment, the original law enforcement recorder is possibly not fully charged. In addition, in the prior art, the USB is firstly connected with the law enforcement recorder, and the law enforcement data acquisition equipment is required to be physically connected with the law enforcement recorder. The user can only perform law enforcement activities and return to the location of the law enforcement data collection device to perform data collection. Meanwhile, a warehouse must be designed for the access of the law enforcement recorder for placing the law enforcement recorder. In order to enforce the security of the recorder, it is necessary to design the door and lock for the position. The design complexity and the volume of the law enforcement data acquisition equipment are increased, and the use steps and the occupied space of the law enforcement data acquisition equipment are increased.
The law enforcement data acquisition method provided by the invention solves the problems of data acquisition equipment, acquisition speed, concurrent acquisition number, space occupation and law enforcement data timeliness of the prior law enforcement recorder, and when the number of the law enforcement recorders of a user is large, a plurality of law enforcement data acquisition equipment are required to be acquired, a large storage space is occupied, or the situation that the data acquisition equipment is queued for acquisition is caused, so that the trouble is increased for the work of the user. The data acquisition method adopts a wireless transmission mode, has no limitation on acquisition speed and concurrent acquisition number of the law enforcement recorder which simultaneously uploads data, improves the concurrent acquisition number of the law enforcement recorder, and improves the timeliness of data uploading. The acquisition speed can reach 100MB/s or more, the maximum concurrent acquisition number can reach 65535 theoretical stations, and the data acquisition speed is far higher than that of law enforcement data acquisition equipment based on the prior art. The law enforcement recorder is connected to the network by using a wireless technology and is connected with the law enforcement data acquisition equipment, the law enforcement recorder does not need to be in wired connection with the law enforcement data acquisition equipment any more, data can be uploaded to the law enforcement data acquisition equipment immediately after a user completes law enforcement, and a background law enforcement officer can see the law enforcement data immediately and perform the next processing. Meanwhile, the design of the law enforcement data acquisition equipment does not need to design a bin and a lock, so that the design complexity of the law enforcement data acquisition equipment is reduced, and the space occupation is reduced; when uploading the law enforcement data, the user does not need to access the recorder into the law enforcement data acquisition equipment, and does not need to take the recorder from the workstation during use, so that the use is more convenient.
In an embodiment of the invention, the law enforcement recorder may scan the two-dimensional code or the small program to obtain the configuration information of the law enforcement data acquisition device, or may manually input the configuration information.
It will be appreciated that the invention is not only useful for law enforcement recorders but also for data transmission by other wireless terminals.
In another embodiment of the present invention, the method of the present invention further comprises:
and after detecting the online state of the law enforcement recorder, the law enforcement data acquisition equipment sends a data retrieval request to the law enforcement recorder and acquires a data list in the law enforcement recorder responding to the request.
The acquiring of the data list in the law enforcement recorder specifically includes:
when the data in the law enforcement recorder is empty, the law enforcement data acquisition equipment receives the empty data returned by the law enforcement recorder;
and when the data in the law enforcement recorder is not empty, the law enforcement data acquisition equipment receives the structured data returned by the law enforcement recorder, wherein the structured data comprises video and audio file names, sizes, recording time and associated service information.
And processing the structured data, and sending a source file uploading request to the law enforcement recorder by the law enforcement data acquisition equipment for the video and audio files which have service association or are marked as concentrated storage.
The law enforcement data acquisition equipment receives a connection request sent by the law enforcement recorder in response to the last request of the sending source file, and receives file transmission of the law enforcement recorder;
and after the file is transmitted, the law enforcement data acquisition equipment receives confirmation information of the law enforcement recorder.
In another embodiment of the present invention, after the law enforcement data collection device detects the online status of the law enforcement recorder, it fails to send a data retrieval request to the law enforcement recorder, and records error information.
In another embodiment of the present invention, the method further comprises: and monitoring the uploading speed, the number of uploaded files and the number of non-uploaded files. And the uploading state and the uploading progress are timely found by monitoring the current uploading speed, the number of uploaded files and the number of non-uploaded files in real time. Users can find the uploading state and the uploading progress in time, and when problems occur, the troubleshooting is arranged at the first time.
In still another embodiment of the present invention, the method further comprises: the upload speed of the law enforcement recorder is limited for an upload time period.
Because the prior art does not have a unit for limiting the uploading speed in the uploading time period, the use of the network cannot be controlled, and the network blockage in the peak period is easy to occur, so that the serious delay of the user access and the serious delay and pause phenomena of the video playing occur. The invention can set the strategy according to the network condition, avoid the serious delay of the user access and the serious delay and pause phenomena of the video playing caused by the network blockage in the peak period of the access, and improve the stability of the system.
In a specific embodiment, the method is embodied in a specific flow, described from the perspective of a law enforcement recorder, as follows:
the law enforcement recorder s obtains configuration information such as an IP address, a port, a user name and a password of the law enforcement data acquisition device t by scanning the two-dimensional code or inputting the two-dimensional code.
The law enforcement recorder s initiates a communication request to a registration unit of the law enforcement data acquisition device t, the communication uses a WSS (wireless sensor system) equal-length connection communication protocol, and a message is sent to include a user name, a password and an authorization code, wherein the user name and the password are used for identity and authority verification, and the authorization code is used for communication validity verification.
When the registration and verification are failed, the registration unit of the law enforcement data acquisition equipment t sends an error code and error information to a law enforcement recorder s, and the law enforcement recorder s prompts through a screen message;
when the registration check is successful, a session is established with the law enforcement recorder s at the law enforcement data collection device t.
After the law enforcement recorder s establishes a session with the law enforcement data device t, the law enforcement recorder s sends a data packet (such as ping) to a keep-alive unit in the law enforcement data acquisition device t at intervals (30 seconds are assumed) to keep alive, and after the keep-alive unit of the law enforcement data acquisition device t receives the keep-alive data, the online time of the law enforcement recorder s is updated, the online state of the law enforcement recorder s is kept, and the next keep-alive data packet is continuously waited.
When the keep-alive unit of the law enforcement data acquisition device t detects that the last time the law enforcement recorder s updates the online state is before the set time (assumed to be 300 seconds) for a period of time (assumed to be 300 seconds), the law enforcement data acquisition device t terminates the session with the law enforcement recorder s;
when a period of time (say 300 seconds) the keep alive unit of the law enforcement data collection device t detects that the last time the law enforcement recorder s updated online status is after a set time (say 300 seconds), then the next wait is continued.
After detecting the online state of the law enforcement recorder s, the network acquisition unit of the law enforcement data acquisition device t sends a data retrieval request to the law enforcement recorder s to acquire a data list in the law enforcement recorder.
When the data in the law enforcement recorder s is empty, the law enforcement recorder s returns the empty data to the law enforcement data acquisition equipment t;
when the data in the law enforcement recorder s is not empty, the law enforcement recorder s returns the structured data to the law enforcement data acquisition equipment t, wherein the structured data comprises video and audio file names, sizes, recording time and associated service information.
When the retrieval of the acquisition unit of the law enforcement data acquisition equipment t fails, error information is recorded into a log unit of the law enforcement data acquisition equipment.
After the law enforcement data acquisition equipment t retrieves the data, the structured data is delivered to the data processing unit for processing, and for the video and audio files with service association or marked as concentrated storage, the network acquisition unit of the law enforcement data acquisition equipment t sends a source file uploading request to the law enforcement recorder s.
After receiving the request of the law enforcement data acquisition equipment t, the law enforcement recorder s initiates a connection request to a data storage unit of the law enforcement data acquisition equipment t and uses a file transfer protocol such as an FTP protocol.
And after the law enforcement recorder s sends the data to the data storage unit of the law enforcement data acquisition equipment t, the data is sent to the network acquisition unit of the law enforcement data acquisition equipment t to complete data uploading.
As shown in fig. 2, a law enforcement data collection apparatus, comprising: the network acquisition unit comprises a registration unit, a keep-alive unit, a data acquisition unit and a data storage unit;
the registration unit is used for receiving a communication request sent by the law enforcement recorder, wherein the communication request comprises a user name, a password and an authorization code, verifying the identity and the authority of the law enforcement recorder and the validity of communication, and sending abnormal registration information to the law enforcement recorder;
the keep-alive unit is used for receiving a keep-alive request sent after the verification of the law enforcement recorder is successful and maintaining the connection with the law enforcement recorder;
the data acquisition unit sends a data retrieval request to the law enforcement recorder and acquires a data list in the law enforcement recorder responding to the request;
the data storage unit is used for receiving and storing the data list uploaded by the law enforcement recorder;
and the data acquisition unit is used for receiving the confirmation information of the law enforcement recorder after the file transmission is finished.
As shown in fig. 3, the apparatus of the present invention further includes a network management unit including: the system comprises a data management unit, a system management unit and a network display unit;
the data management unit is used for data query, equipment query and log query, can check detailed information and download video and audio, and marks law enforcement data and equipment information;
the system management unit is used for checking, modifying and remotely configuring system setting information;
and the network display unit is used for supporting the remote operation of the data management unit and the system management unit.
The screen of the data acquisition equipment in the prior art is only one, so that the data acquisition equipment cannot simultaneously support a plurality of users to operate simultaneously, and when the plurality of users need to inquire law enforcement data, queuing is needed. However, the law enforcement data acquisition equipment comprises a network management unit capable of remotely accessing the law enforcement data acquisition equipment, so that a user can remotely check the state of the law enforcement data acquisition equipment, inquire and manage law enforcement data and manage the law enforcement data acquisition equipment at the same time, and the problem that a plurality of users need to wait for queuing when using the law enforcement data acquisition equipment is solved.
As shown in fig. 4, the apparatus of the present invention further comprises: a network monitoring unit and a network policy unit;
the network monitoring unit is used for monitoring the real-time uploading speed, the number of uploaded files and the number of non-uploaded files and providing data for the network management unit;
and the network strategy unit is used for adjusting the file uploading speed and adapting to the requirement of a user on network control.
The network monitoring unit solves the problem that the uploading state and the uploading progress cannot be known in real time, and the network strategy unit solves the problems of network congestion caused by the fact that the uploading speed cannot be controlled according to the network condition and time delay, blocking and the like caused by the fact that the user browses.
In a further embodiment of the invention, the apparatus of the invention further comprises a wireless charging unit for contactless charging of the law enforcement recorder. In one particular embodiment, the law enforcement recorder of the wireless charging unit automatically initiates charging when it comes within an effective charging range of the wireless charging unit of the law enforcement data collection device.
The law enforcement recorder in the prior art needs to be accessed through a USB interface to be charged. Repeated plugging and unplugging of the USB interface can cause the USB interface to be easily damaged, so that charging and data acquisition cannot be carried out, and the normal use of the law enforcement recorder is influenced. The invention adds a wireless charging unit, and solves the problem of USB fault caused by plugging and unplugging the recorder.
In an embodiment of the law enforcement data acquisition device based on the wireless law enforcement recorder provided by the embodiment of the application, which is used for law enforcement data acquisition, specific working steps are described as follows:
1) the law enforcement recorder uses wireless technology, 4G, WIFI or 5G, etc., and the registered data is encrypted by AES or other symmetric encryption technology and then transmitted, so that the security of the data transmission process is ensured.
2) The registration unit of the law enforcement data acquisition equipment receives the registration data, decrypts the registration data and performs identity authentication, and the registration unit fails in identity authentication and sends the registration failure information of the law enforcement recorder to the law enforcement recorder. And when the identity authentication is successful, sending the registration success information of the law enforcement recorder to the law enforcement recorder, establishing a session and maintaining long connection.
3) When the registration is successful, the law enforcement recorder sends the keep-alive data to the law enforcement data acquisition equipment, and the keep-alive unit of the law enforcement data acquisition equipment receives the data, updates the session state of the law enforcement recorder and the law enforcement data acquisition equipment and maintains the keep-alive. When the keep-alive unit does not receive the keep-alive data sent by the law enforcement recorder within a period of time (such as 300 seconds), the law enforcement data acquisition equipment actively disconnects from the law enforcement recorder.
4) When the recorder is in a keep-alive state, when the files in the law enforcement recorder are ready, the law enforcement recorder initiates a collection request to the law enforcement data collection equipment.
5) When the acquisition request fails to be sent, the law enforcement recorder will wait for a period of time (e.g., 30 seconds) before initiating the request again. And when the acquisition request is sent successfully, waiting for the law enforcement data acquisition equipment to be ready, and initiating a law enforcement data retrieval request.
6) When receiving the acquisition request of the law enforcement recorder, the law enforcement data retrieval request is initiated to the recorder after the acquisition request is ready. The recorder receives the law enforcement data retrieval request and sends a law enforcement data recording list to the law enforcement data acquisition equipment.
7) And the law enforcement data acquisition equipment acquisition unit receives the law enforcement data list, filters the recorder according to the rules, and sends the filtered law enforcement data list to the law enforcement recorder.
8) The law enforcement recorder acquires the filtered law enforcement data list, sequentially uploads law enforcement data to law enforcement data acquisition equipment, and verifies the law enforcement data through a file summarization algorithm (such as MD 5).
9) When the law enforcement data acquisition equipment network monitoring unit detects that the uploading speed is greater than the set uploading speed, the waiting time needed is calculated, and the acquisition unit is informed to wait.
According to the embodiment of the law enforcement data acquisition equipment based on the wireless law enforcement recorder, the USB acquisition unit and the touch screen display unit are removed from the law enforcement data acquisition equipment, the wireless charging unit is additionally arranged, the improved law enforcement data acquisition equipment can be erected on a cabinet, the space utilization rate of a user is improved, and the wireless charging unit supports non-contact charging of the law enforcement recorder.
1) The wireless accessory that charges inserts law enforcement record appearance, is close to the wireless unit of charging of law enforcement data acquisition equipment, and the law enforcement record appearance shows and is charging.
2) The client of the law enforcement data acquisition equipment is installed on the mobile equipment, and the mobile equipment refers to equipment which can be wirelessly connected with the law enforcement data acquisition equipment, such as a mobile phone with a screen, a police service and the like.
3) The client side of the law enforcement data acquisition equipment is connected with the network management unit of the law enforcement data acquisition equipment, the data and system settings of the law enforcement data acquisition equipment are managed on the client side, and the function of the previous touch screen operation is realized.
The law enforcement data acquisition equipment based on the wireless law enforcement recorder provided by the embodiment of the application has the following advantages:
through the network acquisition unit, the law enforcement data acquisition speed can be increased, the timeliness of the concurrent acquisition quantity and the law enforcement quantity can be improved, the acquisition speed bottleneck and the concurrent acquisition quantity caused by the limitation of a USB protocol are avoided, and the acquisition delay problem caused by the need of physically accessing the law enforcement data acquisition equipment is avoided. Through the wireless charging unit, realize non-contact and charge, solved the problem of USB physical interface loss.
In addition, in some specific embodiments, a unit supporting extended remote data management and system management may also be provided:
in this embodiment, the user may remotely access the law enforcement data collection device, which is supported by the network management unit, through the client for remote data management and remote system management. The client may be a Web browser or a desktop client. The acquisition state and the electric quantity state of the recorder can be displayed on the remote terminal. The law enforcement recorder can be bound with a certain policeman on the remote terminal, and the binding relationship of the law enforcement recorder can be changed. The data state of the law enforcement data acquisition equipment and the state of a law enforcement recorder accessed to the law enforcement data acquisition equipment can be conveniently acquired by a manager or a maintainer. The remote terminal can be a PC, Android and other mobile and non-mobile equipment capable of realizing remote operation.
An embodiment of the present application further provides a control apparatus, including a processor and a storage medium for storing a computer program; wherein a processor is adapted to perform at least the method as described above when executing the computer program.
Embodiments of the present application also provide a storage medium for storing a computer program, which when executed performs at least the method described above.
Embodiments of the present application further provide a processor, where the processor executes a computer program to perform at least the method described above.
The storage medium may be implemented by any type of volatile or non-volatile storage device, or combination thereof. Among them, the nonvolatile Memory may be a Read Only Memory (ROM), a Programmable Read Only Memory (PROM), an erasable Programmable Read-Only Memory (EPROM), an electrically erasable Programmable Read-Only Memory (EEPROM), a magnetic random Access Memory (FRAM), a Flash Memory (Flash Memory), a magnetic surface Memory, an optical Disc, or a Compact Disc Read-Only Memory (CD-ROM); the magnetic surface storage may be disk storage or tape storage. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Synchronous Static Random Access Memory (SSRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double data rate Synchronous Dynamic Random Access Memory (DDRSDRAM, Double DataRateSync Synchronous Random Access Memory), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM, Enhanced Synchronous Dynamic Random Access Memory), Synchronous link Dynamic Random Access Memory (SLDRAM, Synchronous Dynamic Random Access Memory (SLDRAM), Direct Memory (DRMBER, Random Access Memory). The storage media described in connection with the embodiments of the invention are intended to comprise, without being limited to, these and any other suitable types of memory.
In the several embodiments provided in the present application, it should be understood that the disclosed system and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: a mobile storage device, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Alternatively, the integrated unit of the present invention may be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as a separate product. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic or optical disk, or various other media that can store program code.
The methods disclosed in the several method embodiments provided in the present application may be combined arbitrarily without conflict to obtain new method embodiments.
Features disclosed in several of the product embodiments provided in the present application may be combined in any combination to yield new product embodiments without conflict.
The features disclosed in the several method or apparatus embodiments provided in the present application may be combined arbitrarily, without conflict, to arrive at new method embodiments or apparatus embodiments.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several equivalent substitutions or obvious modifications can be made without departing from the spirit of the invention, and all the properties or uses are considered to be within the scope of the invention.
Claims (10)
1. A law enforcement data collection method, comprising the steps of:
s1: the method comprises the steps that the law enforcement data acquisition equipment provides configuration information to a law enforcement recorder, wherein the configuration information comprises an IP address, a port, a user name and a password of the law enforcement data acquisition equipment;
s2: the law enforcement data acquisition equipment receives a communication request initiated after the law enforcement recorder acquires configuration information and performs corresponding configuration, wherein the communication request comprises a user name, a password and an authorization code, the user name and the password are used for verifying identity and authority, and the authorization code is used for verifying communication validity;
s3: after the verification is successful, the law enforcement data acquisition equipment establishes a session with the law enforcement recorder, continuously receives a data packet sent by the law enforcement recorder and updates the online time of the law enforcement recorder;
s4: the law enforcement data acquisition equipment detects the time length from the last updated online state of the law enforcement recorder in real time, and if the time length exceeds the preset time length, the conversation with the law enforcement recorder is terminated.
2. The law enforcement data collection method of claim 1, further comprising:
and after detecting the online state of the law enforcement recorder, the law enforcement data acquisition equipment sends a data retrieval request to the law enforcement recorder and acquires a data list in the law enforcement recorder responding to the request.
3. The law enforcement data collection method of claim 2 wherein obtaining the list of data in the law enforcement recorder specifically comprises:
when the data in the law enforcement recorder is empty, the law enforcement data acquisition equipment receives the empty data returned by the law enforcement recorder;
and when the data in the law enforcement recorder is not empty, the law enforcement data acquisition equipment receives the structured data returned by the law enforcement recorder, wherein the structured data comprises video and audio file names, sizes, recording time and associated service information.
4. The law enforcement data collection method of claim 3, further comprising: and processing the structured data, and sending a source file uploading request to the law enforcement recorder by the law enforcement data acquisition equipment for the video and audio files which have service association or are marked as concentrated storage.
5. The law enforcement data collection method of claim 4, wherein the law enforcement data collection device receives a connection request from the law enforcement recorder in response to a last request for the sending source file and receives a file transmission from the law enforcement recorder;
and after the file is transmitted, the law enforcement data acquisition equipment receives confirmation information of the law enforcement recorder.
6. The law enforcement data collection method of claim 1, further comprising: and after detecting the online state of the law enforcement recorder, the law enforcement data acquisition equipment fails to send a data retrieval request to the law enforcement recorder and records error information.
7. A law enforcement data collection device, comprising: the network acquisition unit comprises a registration unit, a keep-alive unit, a data acquisition unit and a data storage unit;
the registration unit is used for receiving a communication request sent by the law enforcement recorder, wherein the communication request comprises a user name, a password and an authorization code, verifying the identity and the authority of the law enforcement recorder and the validity of communication, and sending abnormal registration information to the law enforcement recorder;
the keep-alive unit is used for receiving a keep-alive request sent after the verification of the law enforcement recorder is successful and maintaining the connection with the law enforcement recorder;
the data acquisition unit sends a data retrieval request to the law enforcement recorder and acquires a data list in the law enforcement recorder responding to the request;
the data storage unit is used for receiving and storing the data list uploaded by the law enforcement recorder;
and the data acquisition unit is used for receiving the confirmation information of the law enforcement recorder after the file transmission is finished.
8. The law enforcement data collection apparatus of claim 7, further comprising a network management unit comprising: the system comprises a data management unit, a system management unit and a network display unit;
the data management unit is used for data query, equipment query and log query, can check detailed information and download video and audio, and marks law enforcement data and equipment information;
the system management unit is used for checking, modifying and remotely configuring system setting information;
and the network display unit is used for supporting the remote operation of the data management unit and the system management unit.
9. The law enforcement data collection apparatus of claim 8, further comprising: a network monitoring unit and a network policy unit;
the network monitoring unit is used for monitoring the real-time uploading speed, the number of uploaded files and the number of non-uploaded files and providing data for the network management unit;
and the network strategy unit is used for adjusting the file uploading speed and adapting to the requirement of a user on network control.
10. The law enforcement data collection apparatus of any one of claims 7-9, further comprising a wireless charging unit for contactless charging of the law enforcement recorder.
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| CN202010358931.4A CN111600938A (en) | 2020-04-29 | 2020-04-29 | Law enforcement data acquisition method and system |
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| CN202010358931.4A CN111600938A (en) | 2020-04-29 | 2020-04-29 | Law enforcement data acquisition method and system |
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Application publication date: 20200828 |