CN106878950A - System and method for automatic ship identification and law enforcement inspection based on radio frequency - Google Patents

System and method for automatic ship identification and law enforcement inspection based on radio frequency Download PDF

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CN106878950A
CN106878950A CN201710108724.1A CN201710108724A CN106878950A CN 106878950 A CN106878950 A CN 106878950A CN 201710108724 A CN201710108724 A CN 201710108724A CN 106878950 A CN106878950 A CN 106878950A
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徐轶群
李明海
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Abstract

Watercraft identification automatic identification based on radio frequency disclosed by the invention and law enforcement cruising inspection system and method, including law enforcement ship terminating machine, operation ship terminal and background server；The law enforcement ship terminal includes CPU and the locating module, mobile communication module, electronic chart equipment and the 433MHz radio-frequency communication modules that are connected with CPU respectively；The operation ship terminal includes CPU and the locating module, 433MHz radio-frequency communications module and the data memory module that are connected with CPU respectively；The present invention combines LAN and wide area network, and the independent that communication is reported with data is patrolled and examined in realization, and patrolling and examining data and unifying storage management to review, and effectively improve law enforcement efficiency.

Description

基于射频的船舶身份自动识别与执法巡检系统及方法System and method for automatic ship identification and law enforcement inspection based on radio frequency

技术领域technical field

本发明涉及船舶监管技术领域，特指一种基于射频的船舶身份自动识别与执法巡检系统及方法。The invention relates to the technical field of ship supervision, in particular to a system and method for automatic identification of ship identity and law enforcement inspection based on radio frequency.

背景技术Background technique

船舶管理系统是在一定水域内用以保证航行船舶安全和效率的管理系统，随着水运事业的发展，船舶交通量不断增加,为使船舶能顺畅通航于有限水域或拥挤水域，如港口，还有江河、海峡，各海运国家逐渐建立起岸船之间合作的船舶交通管理系统，现有的船舶管理系统还存在一下缺陷：The ship management system is a management system used to ensure the safety and efficiency of sailing ships in a certain water area. With the development of water transport, the traffic volume of ships continues to increase. In order to enable ships to navigate smoothly in limited waters or crowded waters, such as ports, There are rivers and straits, and various maritime countries have gradually established a ship traffic management system for cooperation between shore ships. The existing ship management system still has the following defects:

1、执法部门人为巡检，费时费力；1. Manual inspection by law enforcement agencies is time-consuming and labor-intensive;

2、没有利用互联网技术，大数据平台实现线上巡检；2. Did not use Internet technology, big data platform to realize online inspection;

3、巡检数据不可追溯。3. Inspection data cannot be traced back.

为了提高船舶巡检的工作效率，本发明人对此进行深入研究，提出一种基于射频的船舶身份自动识别与执法巡检系统，本案由此产生。In order to improve the work efficiency of ship inspection, the inventor conducted in-depth research on this, and proposed a radio frequency-based automatic ship identification and law enforcement inspection system, and this case arose from this.

发明内容Contents of the invention

本发明的目的在于提供一种基于射频的船舶身份自动识别与执法巡检系统及方法，结合局域网与广域网的，实现单通道巡检通讯与无线网络数据上报的独立化，巡检数据统一存储管理可追溯，有效提高执法效率。The purpose of the present invention is to provide a system and method for automatic identification of ship identity and law enforcement inspection based on radio frequency, combined with local area network and wide area network, to realize the independence of single-channel inspection communication and wireless network data reporting, and unified storage and management of inspection data Traceable, effectively improving the efficiency of law enforcement.

为了实现上述目的，本发明的技术方案如下：In order to achieve the above object, the technical scheme of the present invention is as follows:

基于射频的船舶身份自动识别与执法巡检系统，包括执法船终端机、作业船终端和后台服务器；Radio frequency-based automatic ship identification and law enforcement inspection system, including law enforcement ship terminals, operation ship terminals and background servers;

所述执法船终端包括CPU及分别与CPU连接的定位模块、移动通讯模块、电子海图设备和433MHz射频通讯模块；The law enforcement ship terminal includes a CPU and a positioning module connected to the CPU, a mobile communication module, an electronic chart device and a 433MHz radio frequency communication module;

所述作业船终端包括CPU及分别与CPU连接的定位模块、433MHz射频通讯模块及数据存储模块；The workboat terminal includes a CPU, a positioning module connected to the CPU, a 433MHz radio frequency communication module, and a data storage module;

所述执法船终端与作业船终端的定位模块分别用于获取各自船舶的定位数据，所述执法船终端的433MHz射频通讯模块与作业船终端的433MHz射频通讯模块相互之间可按照单通道通讯协议进行局域通讯；所述执法船终端的移动通讯模块通过无线网络与后台服务器建立连接；所述作业船的存储模块用于暂存其定位数据；所述后台服务器存储有船舶和执法数据，执法船终端与各作业船终端均存储有各自唯一识别的ID编码；所述执法船中的电子海图设备用于在海图上实时显示作业船终端和执法船终端定位数据。The positioning modules of the law enforcement ship terminal and the operation ship terminal are respectively used to obtain the positioning data of their respective ships, and the 433MHz radio frequency communication module of the law enforcement ship terminal and the 433MHz radio frequency communication module of the work ship terminal can communicate with each other according to the single-channel communication protocol Perform local area communication; the mobile communication module of the law enforcement ship terminal establishes a connection with the background server through a wireless network; the storage module of the operation ship is used to temporarily store its positioning data; the background server stores ship and law enforcement data, and law enforcement Both the ship terminal and each operation ship terminal store their uniquely identified ID codes; the electronic chart equipment in the law enforcement ship is used to display the positioning data of the operation ship terminal and the law enforcement ship terminal on the chart in real time.

所述电子海图设备为一台工业级平板电脑。The electronic chart device is an industrial-grade tablet computer.

所述执法船终端的移动通讯模块为GPRS移动通讯模块。The mobile communication module of the law enforcement ship terminal is a GPRS mobile communication module.

所述执法船终端与作业船终端的定位模块均采用BDS/GPS双模定位模块。The positioning modules of the law enforcement ship terminal and the operation ship terminal both use BDS/GPS dual-mode positioning modules.

基于射频的船舶身份自动识别与执法巡检方法，包括上述执法船终端与作业船终端在周期T内，采用单通道协议并按照该协议规定的时序进行局域通讯，该时序含通讯的最小间隔时间t，该方法具体包括以下步骤：The radio frequency-based automatic ship identity identification and law enforcement inspection method includes the above-mentioned law enforcement ship terminal and operation ship terminal using a single-channel protocol within a period T and performing local communication according to the timing specified in the protocol. The timing includes the minimum communication interval Time t, the method specifically includes the following steps:

包括权利要求1所述的执法船终端与作业船终端在周期T内，采用单通道协议并按照该协议规定的时序进行局域通讯，该时序含通讯的最小间隔时间t，该方法具体包括以下步骤：Including that the law enforcement ship terminal and the operation ship terminal described in claim 1 use a single-channel protocol and perform local area communication according to the timing specified in the protocol within the period T. The timing includes the minimum interval time t of communication. The method specifically includes the following step:

步骤一、从通讯的起始时刻开始，在规定的时间t1内每隔时间t执法船终端广播一次查询指令，t＜t1，执法船终端的433MHz射频通讯模块将该查询指令广播出去，执法船通讯范围内的作业船终端从起始时刻开始通过其433MHz射频通讯模块接收广播信息；Step 1. Starting from the initial moment of communication, within the specified time t1 , the law enforcement ship terminal broadcasts an inquiry command every time t, t< t1 , and the 433MHz radio frequency communication module of the law enforcement ship terminal broadcasts the inquiry order, The operation ship terminal within the communication range of the law enforcement ship receives broadcast information through its 433MHz radio frequency communication module from the initial moment;

步骤二、从规定时间t1结束后的某一时刻开始，作业船终端在规定的时间t2内每隔时间t通过其433MHz射频通讯模块发送一次该作业船终端的ID编码，t＜t2，发送次数为n1，此时执法船终端接收作业船终端发送的ID编码；Step 2: From a certain moment after the end of the specified time t1 , the operation ship terminal sends the ID code of the operation ship terminal through its 433MHz radio frequency communication module every time t within the specified time t2 , t< t2 , the number of transmissions is n 1 , at this time, the law enforcement ship terminal receives the ID code sent by the operation ship terminal;

步骤三、从规定时间t2结束后的某一时刻开始，执法船终端在规定的时间t3内每间隔时间t向对应的作业船终端发送一次确认ID编码，t＜t3，发送次数为n2，若该作业船终端接收确认ID编码则作业船终端停机至某一时刻，否则此步骤结束后返回步骤2；Step 3: From a certain moment after the end of the specified time t2 , the law enforcement ship terminal sends a confirmation ID code to the corresponding operation ship terminal every interval t within the specified time t3 , t< t3 , and the number of transmissions is n 2 , if the workboat terminal receives the confirmation ID code, the workboat terminal stops until a certain time, otherwise, return to step 2 after this step is completed;

步骤四、从作业船终端停机结束的时刻开始，执法船终端在规定的时间t4内每间隔时间t’向所有作业船终端依次发送巡检轮询指令，要求各作业船上报巡检信息；作业船终端接收巡检轮询指令后立刻回复执法船终端，未接收该指令则不响应，作业船终端确认巡检轮询指令有效则在等待时间T后发送巡检信息至执法船终端；Step 4. Starting from the moment when the operation ship terminal shuts down, the law enforcement ship terminal sends inspection polling instructions to all operation ship terminals in sequence at intervals t' within the specified time t4, requiring each operation ship to report inspection information; After receiving the inspection polling command, the operation ship terminal immediately replies to the law enforcement ship terminal. If it does not receive the command, it will not respond. The operation ship terminal confirms that the inspection polling command is valid, and then sends the inspection information to the law enforcement ship terminal after a waiting time T;

步骤五、执法船终端在其发送巡检轮询指令时刻开始，等待时间t后开始接收作业船的巡检信息，并再经过时间t后向作业船终端发送接收确认信息，并通知作业船终端进行休眠指定的时间t4；Step 5. The law enforcement ship terminal starts at the moment when it sends the inspection polling command, and starts to receive the inspection information of the operation ship after waiting for a time t, and sends a confirmation message to the operation ship terminal after a time t has elapsed, and notifies the operation ship terminal Carry out sleep for a specified time t 4 ;

步骤6、作业船终端按照执法船终端的指令进行休眠。Step 6. The operation ship terminal goes to sleep according to the instruction of the law enforcement ship terminal.

上述T＝1min,t＝200ms，t1＝2s、t2＝10s、t3＝1s、t4＝40s、n2＝10，t’＝500ms。The above T=1min, t=200ms, t 1 =2s, t 2 =10s, t 3 =1s, t 4 =40s, n 2 =10, t′=500ms.

采用上述方案后，本发明的有益效果有：After adopting above-mentioned scheme, beneficial effect of the present invention has:

一、利用433MHz射频通讯模块使执法船终端和作业船终端之间建立基于单通道协议的局域通讯，执法船可快速和准确地对其局域范围内的所以作业船进行执法巡检、提高执法效率，降低执法难度。1. Use the 433MHz radio frequency communication module to establish a local area communication based on a single-channel protocol between the law enforcement ship terminal and the operation ship terminal. The law enforcement ship can quickly and accurately conduct law enforcement inspections on all operating ships within its local area, and improve Law enforcement efficiency, reduce the difficulty of law enforcement.

二、通过作业船终端获取作业船定位数据，执法船可的有效判断渔船是否合法捕捞，加强作业船舶合法性，且通过电子海图设备实现准确定位和监控。2. By obtaining the positioning data of the working boat through the working boat terminal, the law enforcement boat can effectively judge whether the fishing boat is fishing legally, strengthen the legality of the working boat, and realize accurate positioning and monitoring through electronic chart equipment.

三、作业船和执法船的数据可在后头服务器进行永久保存，对执法船和渔船的巡检信息可查询。3. The data of operation boats and law enforcement boats can be permanently stored in the back server, and the inspection information of law enforcement boats and fishing boats can be queried.

四、通过构建局域网和接入广域网可进行远程监督执法，不受时空限制查询执法情况。4. Through the construction of local area network and access to wide area network, remote supervision and law enforcement can be carried out, and the law enforcement situation can be inquired without time and space restrictions.

以下结合附图和具体实施方式对本发明做进一步说明。The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

附图说明Description of drawings

图1是本发明基于射频的船舶身份自动识别与执法巡检系统结构示意图；Fig. 1 is a structural schematic diagram of the radio frequency-based ship's automatic identification and law enforcement inspection system of the present invention;

图2是本发明基于射频的船舶身份自动识别与执法巡检方法流程图。Fig. 2 is a flow chart of the radio frequency-based automatic identification of ship identity and law enforcement inspection method of the present invention.

具体实施方式detailed description

如图1所示本发明揭示的基于射频的船舶身份自动识别与执法巡检系统，包括执法船终端机、作业船终端和后台服务器；As shown in Figure 1, the radio frequency-based automatic ship identity identification and law enforcement inspection system disclosed by the present invention includes a law enforcement ship terminal, an operation ship terminal and a background server;

执法船终端包括CPU及分别与CPU连接的定位模块、移动通讯模块、电子海图设备和433MHz射频通讯模块；电子海图设备为一台工业级平板电脑。The law enforcement ship terminal includes a CPU and a positioning module connected to the CPU, a mobile communication module, an electronic chart device and a 433MHz radio frequency communication module; the electronic chart device is an industrial-grade tablet computer.

作业船终端包括CPU及分别与CPU连接的定位模块、433MHz射频通讯模块及数据存储模块；所述＝＝执法船终端的移动通讯模块为GPRS移动通讯模块；执法船终端与作业船终端的定位模块均采用BDS/GPS双模定位模块；The operation boat terminal includes a CPU and a positioning module respectively connected to the CPU, a 433MHz radio frequency communication module and a data storage module; the == the mobile communication module of the law enforcement boat terminal is a GPRS mobile communication module; the positioning module of the law enforcement boat terminal and the operation boat terminal Both adopt BDS/GPS dual-mode positioning module;

执法船终端与作业船终端的定位模块分别用于获取各自定位数据，所述执法船终端的433MHz射频通讯模块与作业船终端的433MHz射频通讯模块相互之间可按照单通道通讯协议进行局域通讯；所述执法船终端的移动通讯模块通过无线网络与后台服务器建立连接；所述作业船的存储模块用于暂存其定位数据；后台服务器存储有船舶和执法数据，执法船终端与各作业船终端均存储有各自唯一识别的ID编码；所述执法船中的电子海图设备用于实时显示作业船终端和执法船终端定位数据。The positioning modules of the law enforcement ship terminal and the operation ship terminal are used to obtain their respective positioning data, and the 433MHz radio frequency communication module of the law enforcement ship terminal and the 433MHz radio frequency communication module of the work ship terminal can perform local area communication with each other according to the single-channel communication protocol The mobile communication module of the law enforcement ship terminal establishes a connection with the background server through a wireless network; the storage module of the operation ship is used to temporarily store its positioning data; the background server stores the data of ships and law enforcement, and the law enforcement ship terminal and each operation ship Each terminal stores its own uniquely identified ID code; the electronic chart equipment in the law enforcement ship is used to display the positioning data of the operation ship terminal and the law enforcement ship terminal in real time.

如图2所示，本发明揭示的一种基于射频的船舶身份自动识别与执法巡检方法，包括上述执法船终端与作业船终端在周期T内，采用单通道协议并按照该协议规定的时序进行局域通讯，该时序含通讯的最小间隔时间t，该方法具体包括以下步骤：As shown in Fig. 2, a radio frequency-based automatic ship identity identification and law enforcement inspection method disclosed by the present invention includes the above-mentioned law enforcement ship terminal and operation ship terminal using a single-channel protocol within a period T and following the time sequence stipulated in the protocol Carry out local area communication, this sequence contains the minimum interval time t of communication, this method specifically comprises the following steps:

包括权利要求1所述的执法船终端与作业船终端在周期T内，采用单通道协议并按照该协议规定的时序进行局域通讯，该时序含通讯的最小间隔时间t，该方法具体包括以下步骤：Including that the law enforcement ship terminal and the operation ship terminal described in claim 1 use a single-channel protocol and perform local area communication according to the timing specified in the protocol within the period T. The timing includes the minimum interval time t of communication. The method specifically includes the following step:

步骤一、从通讯的起始时刻开始，在规定的时间t1内每隔时间t执法船终端广播一次查询指令，t＜t1，执法船终端的433MHz射频通讯模块将该查询指令广播出去，执法船通讯范围内的作业船终端从起始时刻开始通过其433MHz射频通讯模块接收广播信息；Step 1. Starting from the initial moment of communication, within the specified time t1 , the law enforcement ship terminal broadcasts an inquiry command every time t, t< t1 , and the 433MHz radio frequency communication module of the law enforcement ship terminal broadcasts the inquiry order, The operation ship terminal within the communication range of the law enforcement ship receives broadcast information through its 433MHz radio frequency communication module from the initial moment;

步骤二、从规定时间t1结束后的某一时刻开始，作业船终端在规定的时间t2内每隔时间t通过其433MHz射频通讯模块发送一次该作业船终端的ID编码，t＜t2，发送次数为n1，此时执法船终端接收作业船终端发送的ID编码；Step 2: From a certain moment after the end of the specified time t1 , the operation ship terminal sends the ID code of the operation ship terminal through its 433MHz radio frequency communication module every time t within the specified time t2 , t< t2 , the number of transmissions is n 1 , at this time, the law enforcement ship terminal receives the ID code sent by the operation ship terminal;

步骤三、从规定时间t2结束后的某一时刻开始，执法船终端在规定的时间t3内每间隔时间t向对应的作业船终端发送一次确认ID编码，t＜t3，发送次数为n2，若该作业船终端接收确认ID编码则作业船终端停机至某一时刻，否则此步骤结束后返回步骤2；Step 3: From a certain moment after the end of the specified time t2 , the law enforcement ship terminal sends a confirmation ID code to the corresponding operation ship terminal every interval t within the specified time t3 , t< t3 , and the number of transmissions is n 2 , if the workboat terminal receives the confirmation ID code, the workboat terminal stops until a certain time, otherwise, return to step 2 after this step is completed;

步骤四、从作业船终端停机结束的时刻开始，执法船终端在规定的时间t4内每间隔时间t’向所有作业船终端依次发送巡检轮询指令，要求各作业船上报巡检信息；作业船终端接收巡检轮询指令后立刻回复执法船终端，未接收该指令则不响应，作业船终端确认巡检轮询指令有效则在等待时间T后发送巡检信息至执法船终端；Step 4. Starting from the moment when the operation ship terminal shuts down, the law enforcement ship terminal sends inspection polling instructions to all operation ship terminals in sequence at intervals t' within the specified time t4, requiring each operation ship to report inspection information; After receiving the inspection polling command, the operation ship terminal immediately replies to the law enforcement ship terminal. If it does not receive the command, it will not respond. The operation ship terminal confirms that the inspection polling command is valid, and then sends the inspection information to the law enforcement ship terminal after a waiting time T;

步骤五、执法船终端在其发送巡检轮询指令时刻开始，等待时间t后开始接收作业船的巡检信息，并再经过时间t后向作业船终端发送接收确认信息，并通知作业船终端进行休眠指定的时间t4；Step 5. The law enforcement ship terminal starts at the moment when it sends the inspection polling command, and starts to receive the inspection information of the operation ship after waiting time t, and sends a confirmation message to the operation ship terminal after time t, and notifies the operation ship terminal Carry out sleep for a specified time t 4 ;

步骤6、作业船终端按照执法船终端的指令进行休眠。Step 6. The operation ship terminal goes to sleep according to the instruction of the law enforcement ship terminal.

本发明执法船终端与作业船终端均含有一433MHz射频通讯模块，通过该通讯模块采用单通道协议通讯进行局域通信，实现作业船与执法船之间的信息互传，单通道协议(上行与下行数据均通过同一433MHz射频通讯模块的同一通讯通道)是基于硬件和一定参数设定的基础上实现的，通讯时间间隔最小单位T＝200ms,即两条信息发送间隔需要在200ms以上才可以避免两条信息的碰撞错误，但通道通讯上行是指作业船终端向执法船终端发送信息，下行是指执法船终端向作业船终端发送信息；执法船终端和作业船终端必须通过各自BDS/GPS定位模块的北斗授时系统统一授时；时间间隔单位在200ms下，单通道协议的433MHz射频通讯模块必须满足以下条件：Both the law enforcement ship terminal and the operation ship terminal of the present invention contain a 433MHz radio frequency communication module, through which the communication module adopts single-channel protocol communication to carry out local communication, and realizes the mutual transmission of information between the operation ship and the law enforcement ship, and the single-channel protocol (uplink and The downlink data all pass through the same communication channel of the same 433MHz radio frequency communication module) based on hardware and certain parameter settings. The minimum unit of communication time interval is T=200ms, that is, the interval between sending two messages needs to be more than 200ms to avoid The collision of the two information is wrong, but the uplink of the channel communication refers to the operation ship terminal sending information to the law enforcement ship terminal, and the downlink refers to the law enforcement ship terminal sending information to the operation ship terminal; the law enforcement ship terminal and the operation ship terminal must be positioned through their respective BDS/GPS The Beidou timing system of the module provides unified timing; the time interval unit is under 200ms, and the 433MHz RF communication module of the single-channel protocol must meet the following conditions:

信号带宽设置取值：500KHZSignal bandwidth setting value: 500KHZ

前置FEC纠码率取值：CR 4/5Pre-FEC code correction rate value: CR 4/5

扩频因子取值：9Spreading factor value: 9

信道设置取值：4Channel setting value: 4

发射功率取值：20dBmTransmitting power value: 20dBm

串口波特率取值：38400Serial port baud rate value: 38400

以下为一执法船巡检实例，作业船为渔船，单通道协议执法周期时间T为1分钟，协议各时区段任务明细如表1：The following is an example of a law enforcement ship patrol inspection. The operating vessel is a fishing vessel. The single-channel agreement law enforcement cycle time T is 1 minute. The task details of each time zone of the agreement are shown in Table 1:

单通道通讯协议是基于执法船终端与作业船终端分别带有一个433MHz射频通讯模块，上行与下行数据通过一个433MHz射频通讯模块的同一通讯通道，上行时执法船终端的433MHz射频通讯模块作为发送端，作业船终端的433MHz射频通讯模块作为接收端，此时信息只能是有执法船向信息船发送，下行时则相反，这样能避免信息相互碰撞，依照协议的时序进行通讯，所以作业船终端依次向执法船报道，井然有序，而相对用时稍长。The single-channel communication protocol is based on the fact that the law enforcement ship terminal and the operation ship terminal have a 433MHz radio frequency communication module respectively, and the uplink and downlink data pass through the same communication channel of a 433MHz radio frequency communication module. , the 433MHz radio frequency communication module of the operation ship terminal is used as the receiving end. At this time, the information can only be sent by the law enforcement ship to the information ship, and the opposite is true when it is downlink. This can avoid information collision and communicate according to the timing of the agreement. Therefore, the operation ship terminal Reporting to the law enforcement ship in turn is orderly, but it takes a little longer.

上述实施例和图式并非限定本发明的产品形态和式样，任何所属技术领域的普通技术人员对其所做的适当变化或修饰，皆应视为不脱离本发明的专利范畴。The above-mentioned embodiments and drawings do not limit the form and style of the product of the present invention, and any appropriate changes or modifications made by those skilled in the art should be considered as not departing from the patent scope of the present invention.

Claims (6)

1. watercraft identification automatic identification based on radio frequency and law enforcement cruising inspection system, it is characterised in that：Including law enforcement ship terminating machine, make Industry ship terminal and background server；
The law enforcement ship terminal includes CPU and the locating module, mobile communication module, the electronic chart equipment that are connected with CPU respectively With 433MHz radio-frequency communication modules；
The operation ship terminal includes that CPU and the locating module, 433MHz radio-frequency communications module and the data that are connected with CPU respectively are deposited Storage module；
The law enforcement ship terminal is respectively used to obtain the location data of respective ship with the locating module of operation ship terminal, described to hold The 433MHz radio-frequency communications module of method ship terminal each other can be according to list with the 433MHz radio-frequency communications module of operation ship terminal Channel communications agreement carries out local area communication；The mobile communication module of the law enforcement ship terminal passes through wireless network and background server Set up connection；The memory module of the operation ship is used to keep in its location data；The background server is stored with and ship and holds Method data, be the stored with ID of respective unique identification of law enforcement ship terminal and each operation ship terminal is encoded；Electricity in the law enforcement ship Sub- chart equipment is used on sea chart display operation ship terminal in real time and law enforcement ship terminal positioning data.
2. watercraft identification automatic identification as claimed in claim 1 based on radio frequency and law enforcement cruising inspection system, it is characterised in that：Institute Electronic chart equipment is stated for a technical grade panel computer.
3. watercraft identification automatic identification as claimed in claim 1 based on radio frequency and law enforcement cruising inspection system, it is characterised in that：Institute The mobile communication module for stating law enforcement ship terminal is GPRS mobile communication modules.
4. watercraft identification automatic identification as claimed in claim 1 based on radio frequency and law enforcement cruising inspection system, it is characterised in that：Institute State law enforcement ship terminal and use BDS/GPS bimodulus locating modules with the locating module of operation ship terminal.
5. watercraft identification automatic identification based on radio frequency and law enforcement method for inspecting, it is characterised in that：Including described in claim 1 With operation ship terminal in cycle T, the sequential specified using single channel agreement and according to the agreement carries out local to law enforcement ship terminal Communication, minimum time interval t of the sequential containing communication, the method specifically includes following steps：
Step one, since communication initial time, regulation time t1It is interior once to be looked into every time t law enforcements ship terminal broadcast Ask instruction, t ＜ t1, enforce the law ship terminal 433MHz radio-frequency communications module the query statement is broadcasted, law enforcement ship communication model Operation ship terminal in enclosing begins through its 433MHz radio-frequency communications module and receives broadcast message from initial time；
Step 2, from stipulated time t1A certain moment after end, time t of the operation ship terminal in regulation2It is interior every the time T is encoded by the ID that its 433MHz radio-frequency communications module sends once the operation ship terminal, t ＜ t2, transmission times is n1, now Law enforcement ship terminal receives the ID codings that operation ship terminal sends；
Step 3, from stipulated time t2A certain moment after end, time t of the law enforcement ship terminal in regulation3It is interior at interval of when Between t to corresponding operation ship terminal send once confirm ID encode, t ＜ t3, transmission times is n2If the operation ship terminal is received Then operation ship terminal was shut down to a certain moment to confirm ID codings, and otherwise this step terminates rear return to step 2；
Step 4, since operation ship terminal shut down terminate moment, law enforcement ship terminal regulation time t4It is interior at interval of the time T ' sends and patrols and examines poll instruction successively to All Jobs ship terminal, it is desirable to which each operation ship reports the information of patrolling and examining；Operation ship terminal connects Receipts reply law enforcement ship terminal at once after patrolling and examining poll instruction, do not receive the instruction and are then not responding to, and operation ship terminal check patrols and examines wheel Ask instruction and information of patrolling and examining to ship terminal of enforcing the law effectively then is sent after stand-by period T；
Step 5, law enforcement ship terminal patrol and examine the poll instruction moment in its transmission, start to receive operation ship after stand-by period t Information is patrolled and examined, and again after elapsed time t to operation ship terminal transmission reception confirmation, and notify that operation ship terminal carries out dormancy The time t for specifying4；
Step 6, operation ship terminal carry out dormancy according to the instruction of law enforcement ship terminal.
6. watercraft identification automatic identification as claimed in claim 5 based on radio frequency and law enforcement method for inspecting, it is characterised in that：T =1min, t=200ms, t1=2s, t2=10s, t3=1s, t4=40s, n2=10, t '=500ms.
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CN102457303A (en) * 2010-10-18 2012-05-16 上海复莱信息技术有限公司 Radio frequency identification communication system
CN103812942A (en) * 2014-02-21 2014-05-21 北京国交信通科技发展公司 Fishery administration monitoring system
CN204206219U (en) * 2014-02-21 2015-03-11 北京国交信通科技发展公司 Fish-farming operation supervisory control system
US20150280765A1 (en) * 2012-10-11 2015-10-01 Wyless Group Holding (Suisse) Sa Communication device management
CN105825159A (en) * 2016-03-29 2016-08-03 杭州成安物联科技有限公司 Fisher integration identification terminal and fisher integration identification system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102457303A (en) * 2010-10-18 2012-05-16 上海复莱信息技术有限公司 Radio frequency identification communication system
US20150280765A1 (en) * 2012-10-11 2015-10-01 Wyless Group Holding (Suisse) Sa Communication device management
CN103812942A (en) * 2014-02-21 2014-05-21 北京国交信通科技发展公司 Fishery administration monitoring system
CN204206219U (en) * 2014-02-21 2015-03-11 北京国交信通科技发展公司 Fish-farming operation supervisory control system
CN105825159A (en) * 2016-03-29 2016-08-03 杭州成安物联科技有限公司 Fisher integration identification terminal and fisher integration identification system

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