CN1713236A - Long-range monitoring system of elevator based on internet - Google Patents

Long-range monitoring system of elevator based on internet Download PDF

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CN1713236A
CN1713236A CN 200510050699 CN200510050699A CN1713236A CN 1713236 A CN1713236 A CN 1713236A CN 200510050699 CN200510050699 CN 200510050699 CN 200510050699 A CN200510050699 A CN 200510050699A CN 1713236 A CN1713236 A CN 1713236A
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terminal
internet
elevator
monitoring center
network
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CN100385472C (en
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陈耀武
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浙江大学
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Abstract

A remote monitoring system of elevator based on Internet network comprises elevator controller, terminal, monitoring center and communication subsystem. It is featured as using embedded processor as core of terminal external - connected to SDRAM, FPGA, FLASH, etc; using embedded Linux system as operation system of terminal connected to Internet network for communicating to monitoring center at the other end and forming communication subsystem by Internet network.

Description

基于Internet网络的电梯远程监测系统 Elevator remote monitoring system based on the Internet

技术领域 FIELD

本发明涉及一种基于网络的监测系统,特别是指一种基于Internet网络通讯的电梯远程监测系统。 The present invention relates to a monitoring system based on a network, and particularly to a remote elevator monitoring system based on Internet communication network.

背景技术 Background technique

电梯远程监测,是指电梯远程监测中心通过一种通讯方式对运行与现场的电梯进行监测,收集电梯的运行数据和报警状态。 Elevator remote monitoring means elevator remote monitoring center to monitor the operation of the elevator and on-site by a means of communication, data collection operation of the elevator and alarm status. 图1所示为一个典型电梯远程监测系统的拓扑结构,包括终端采集子系统、通讯子系统、监测中心子系统,具体包括电梯控制器1、终端2、通讯电路3、监测中心4以及数据库服务器5。 Figure 1 shows the typical topology of a remote elevator monitoring system includes a terminal acquisition subsystem, communication subsystem, the monitoring center subsystem, including an elevator controller, the terminal 2, the communication circuit 3, and a database server monitoring center 4 5.

其中,终端是一种监测多个距离较近电梯控制器的设备,它是终端采集子系统中的重要组成部分。 Wherein the terminal is a short distance elevator controller monitoring a plurality of devices, it is an important part of the acquisition subsystem of the terminal. 终端实时采集多个电梯控制器的状态,在采集数据显示异常时,通知监测中心做相应处理;同时,终端接收监测中心的命令,即时采集监测中心关心的数据。 Real-time acquisition of multiple elevator control terminal state, when the abnormal data acquisition, processing accordingly notify the monitoring center; Meanwhile, the terminal receives a command monitoring center, the monitoring center for real time data acquisition of interest. 终端直接采样电梯控制器的关键电信号实现对电梯控制器的数据采集。 The key electrical terminals direct sampling of the data collection controller elevator the elevator controller. 终端通过通讯子系统把数据准确传送到监测中心,终端装置必须精确快速地完成信息获取和准确无误地信息传输。 The terminal through the communication subsystem to accurately transfer data to the monitoring center, the terminal devices must be accurate and complete information acquiring transmission information quickly and accurately.

监测中心子系统基于客户/服务器架构,运行一个业务应用软件于PC机上,通过通讯电路与终端装置通讯。 Monitoring center subsystem is based on client / server architecture, running a business application software on the PC, via the communication circuit and the terminal device communication. 监测中心可以即时给终端发送命令,通过终端对电梯控制器的数据进行采集;也可以等待终端在发生异常时连接报告异常数据。 The monitoring center can instantly send a command to the terminal, the data collection terminal via elevator controller; may be connected to the terminal to wait for reporting abnormality data when an exception occurs. 采集的数据包括:电梯错误日志、电梯状态字、当前楼层、电梯运行方向、电梯启动时间、伺机状态、独立状态、消防状态、锁梯状态等。 Data acquisition comprising: an error log elevator, elevator status word, the current floor, the elevator traveling direction, the elevator start time, waiting state, separate state, the fire status, the lock status ladder. 采集数据后,在界面上显示采集结果,并存储到数据库服务器。 After data collection, the results displayed on the interface collected and stored in the database server. 电梯维保部门可以方便地利用该数据库进行电梯运行情况分析和异常统计。 Elevator Maintenance departments can easily use the database to analyze and elevator statistical anomaly.

通讯技术在电梯远程监测系统中起了关键作用,目前电梯远程监测的通讯方式远程呼叫时大都只是通过串行口,采用modem拨号的形式通过公用电话网拨通中心端系统,话费较高,楼宇内的管理中心一般无法获得电梯的运行状态信息,即使能够获得一些信息也是通过CAN、RS-232、RS-485等总线将微处理器组网,但这种网络的有效半径比较有限,有关的通信协议也比较少,并且一般是孤立于Internet以外的。 Communication technology plays in the elevator remote monitoring system, a key role when the present remote elevator monitoring remote call communication through the serial port only mostly takes the form of a dial-up modem dial center of the end system via the public telephone network, calls higher, building Manager not generally available in the operation state information of the elevator, even if some of the information also can be obtained by a microprocessor network CAN, RS-232, RS-485 bus and the like, but the effective radius of such a network is limited, relevant communication protocol is relatively small, and is generally isolated from the outside of the Internet.

嵌入式系统是指操作系统和功能软件集成于计算机硬件系统之中。 Embedded system refers to the operating system and software integration features into computer hardware in the system. 简单的说就是系统的应用软件与系统的硬件一体化,类似与BIOS的工作方式。 Simply means that the application software and hardware system integration system, similar work with the BIOS. 具有软件代码小,高度自动化,响应速度快等特点。 Software codes having a small, highly automated, fast response characteristics. 特别适合于要求实时的和多任务的体系。 Especially suited for real-time and multi-tasking system. 从功能应用特征上定义,嵌入式系统则是以应用为中心、以计算机技术为基础、软件硬件可裁剪、适应应用系统对功能、可靠性、成本、体积、功耗严格要求的专用计算机系统。 Wherein the application is defined functionally, the embedded system is application-centric, computer technology, software and hardware can be tailored to meet special purpose computer system application system functionality, reliability, cost, size, power consumption strict requirements.

嵌入式系统接入INTERNET是一种必然的发展趋势。 Embedded System Access INTERNET is an inevitable trend. 嵌入式系统连接到Internet上面,可以方便、低廉地将信息传送到几乎世界上的任何一个地方。 Embedded systems connected to the Internet above, it can easily and inexpensively communicate information to almost any place in the world. 利用该技术,能够将Internet延伸到嵌入式系统,并实现基于Internet的远程数据采集、远程控制、自动报警、上传/下载数据文件、自动发送e-Mail等功能,为电梯远程监测的应用与发展提供了技术保证。 With this technique, it is possible to extend the Internet to the embedded system, and to realize the Internet-based remote data acquisition, remote control, alarm, upload / download data files, automatically sending e-Mail function, application and development of remote monitoring of elevators provided technical assurance.

发明内容 SUMMARY

本发明提供了一种利用嵌入式系统技术和Internet通讯网络技术的高效可靠、通讯费用低的电梯远程监测系统,采用Internet通讯网络作为电梯远程监测系统的数据传输网络平台,监测各电梯控制器的运行数据,实现科学化管理。 The present invention provides a method of using an embedded system and Internet communication network technology efficient and reliable, low cost communication elevator remote monitoring system that uses Internet communication network as a data transmission network platform elevator remote monitoring system, monitoring the elevator controller operating data, achieve scientific management.

一种基于Internet网络的电梯远程监测系统,由电梯控制器、终端、监测中心以及终端和监测中心之间的通讯子系统组成,所述的终端以嵌入式处理器为核心,外接程序存储器FLASH、数据存储器SDRAM、FPGA,外扩SOCKET MODEM模块、以太网通讯模块、RS422串口通讯模块和RS232串口通讯模块,各模块上设有相应的接口与外部通讯;终端采用嵌入式Linux操作系统;所述的通讯子系统由Internet网络组成或由PSTN电话网和Internet网络组成,终端通过RS422串口通讯接口采集电梯控制器数据并接入Internet网络或通过PSTN电话网络接入Internet网络与接入Internet网络另一端的监测中心通讯。 An elevator remote monitoring system based on the Internet, the communication between the elevator controllers, the terminal, the terminal and the monitoring center and the monitoring center subsystem, the terminal embedded processor core, an external program memory FLASH, data memory SDRAM, FPGA, extended SOCKET MODEM module, Ethernet communication module, RS422 and RS232 serial communication module serial communication modules, each module is provided with a corresponding interface with the external communication; terminal embedded Linux operating system; the communications subsystem consists or consist of the Internet network and the PSTN telephone network of Internet, through collecting terminal interface RS422 serial communication data and an elevator controller connected to the Internet network or Internet access to the Internet network and the other end of the telephone network access through the PSTN communications monitoring Center.

所述的嵌入式处理器还外扩有系统复位模块、实时时钟以及各种按键和指示灯。 The embedded processor is further extended with a system reset module, the real-time clock, and various keys and indicators.

所述的监测中心还连有数据库服务器。 The monitoring center is also connected with a database server.

所述的终端采用RS422协议与电梯控制器调试端口通讯;终端与电梯控制器之间接入终端前置器。 The terminal uses the debug port RS422 communication protocol controller with the elevator; pre between the access terminal and the elevator control terminal.

所述的终端通过Internet网络实现软件的自动更新,监测中心将新的终端版本文件按固定大小分包,并加上校验码打包,通过与终端建立的TCP/IP Socket连接传输给终端,终端接收到所有的数据包后重组,核对校验码正确后,自动覆盖原有文件并重启运行新的版本文件。 The terminal software is implemented via the Internet network to update, the monitoring center will be the new version of the file by the terminal sub fixed size, plus checksum packaged, transmitted to the terminal with the terminal via the established TCP / IP Socket connector, terminal after receiving all packets recombinant, after checking the check code is correct, and restart automatically overwritten and run the new version of the file.

本发明利用遍布全球的Internet网络,解决了原有电梯监测物理距离上的限制;利用Internet进行通讯,具有可靠性高、成本低廉、安装配置方便等优势。 The present invention utilizes the Internet around the world to address the limitations of existing elevator monitoring the physical distance; using the Internet to communicate with high reliability, low cost, easy installation configuration and other advantages.

终端结合嵌入式系统软硬件技术,利用开源嵌入式操作系统;监测中心和终端之间使用TCP/IP协议通讯,网络设计简单可靠,降低了维护成本。 Combined hardware and software technology embedded terminal system, using an open source operating system embedded; using TCP / IP protocol communications, network design is simple and reliable and the terminal between the monitoring center, and reduces maintenance costs. 监测中心采用了成熟的客户/服务器架构,软件维护和容量扩展方便。 Monitoring Center uses sophisticated client / server architecture for easy software maintenance and capacity expansion.

本发明通过RS422协议与电梯控制器调试端口通讯,避免了直接对电梯控制器进行电信号采集。 The present invention is a debug port via RS422 communication protocol elevator controller, the elevator controller to avoid direct electrical signal acquisition. 在与不同厂商、不同型号的电梯控制器进行通讯时,使用相同的通讯协议。 When communicating with different manufacturers, different models of the elevator controller, using the same protocol. 避免了直接采集电信号时复杂的连线和配置,具有可靠性高、成本低廉、安装配置方便等优势。 To avoid the complexity of wiring and electrical configuration directly collected, with high reliability, low cost, easy installation configuration advantages. 在应用于不支持调试端口电梯控制器时,可使用一台终端前置器进行电信号采集,并转换为RS422协议数据与终端通信。 When applied to the debug port does not support the elevator controller, the terminal may use a pre-filter for signal acquisition, and is converted to RS422 protocol data communication with the terminal.

附图说明 BRIEF DESCRIPTION

图1是典型电梯远程监测系统的拓扑结构示意图;图2是本发明的拓扑结构示意图;图3是终端与终端前置器连接示意图;图4是本发明的终端硬件部分的连接示意图;图5为本发明终端与电梯控制器通讯的流程图。 1 is a schematic exemplary topology remote elevator monitoring system; FIG. 2 is a schematic diagram of the topology of the present invention; FIG. 3 is a terminal connected to the terminal a schematic front; FIG. 4 is a schematic view of the hardware portion of the connector terminal according to the present invention; FIG. 5 terminals communicate with the controller flowchart of an elevator of the present invention.

其中,1-电梯控制器,2-典型终端,3-典型通讯系统,4-典型监测中心,5-数据库服务器,6-电梯控制器,7-终端,8-Internet网络,9-监测中心,10-数据库服务器,11-PSTN电话网,12-终端前置器。 Wherein the elevator controller 1-, 2- typical terminal, 3- typical communication system, a typical monitoring center 4-, 5- database server, the elevator controller 6-, 7- terminal, 8-Internet network, 9- monitoring center, database server 10-, 11-PSTN telephone network, 12 is pre-terminal.

具体实施方式 detailed description

如图2所示,一种基于Internet网络的电梯远程监测系统,由电梯控制器6、终端7、监测中心9以及监测中心9与终端7之间的通讯子系统组成,其中,一个监测中心9对应多个终端7,一个终端7监测若干个电梯控制器6,通讯子系统由Internet网络8组成或由PSTN网络11和Internet网络8组成,终端7通过RS422串口通讯接口采集电梯控制器6数据并接入Internet网络8或通过PSTN电话网络11接入Internet网络8与接入Internet网络8另一端的监测中心9通讯。 As shown, the Internet based remote elevator monitoring system 2, the elevator controller 6, the terminal 7, the communication between the terminals 7 and 9 and a monitoring center monitoring center subsystem 9, wherein a monitoring center 9 7 corresponding to the plurality of terminals, a plurality of monitor terminal 7 elevator controller 6, a communication subsystem 8 composed of the Internet or the PSTN network 11 and the Internet network composed of 8, the terminal 7 via RS422 serial communication interface and data acquisition elevator controller 6 8 access the Internet access through the PSTN telephone network monitoring center 11 or the Internet and access the other side of the Internet network 889 communications. 电梯监测中心9还连有数据库服务器10。 Elevator Monitoring Center 9 also even have a database server 10.

PSTN网络11仅作为数据传输通讯的备选网络。 PSTN network 11 as a data transmission only alternative communication network.

Internet网络8仅提供数据传输通讯的网络平台,有关命令及数据的解析皆由终端系统的应用程序完成。 Internet data transmission network provides only 8 communications network platform, analytic system chosen by the end of the command and data about the application is complete.

网络中数据流的走向:终端7通过PSTN电话网11连接Internet网络8或直接通过Internet网络8接收到监测中心9的数据采集命令或参数设置命令,利用终端7应用程序中采用的中心-终端通讯协议进行命令解析进行相应操作;终端7根据监测中心9命令采集电梯控制器6数据,并按照中心-终端通讯协议进行数据包组合,数据包通过PSTN电话网11传输给Internet网络8或者直接通过Internet网络8发送给具有公网IP的监测中心9。 To the network data flow: the terminal 7 via the PSTN telephone network 11 is connected to the Internet 8 or directly received via the Internet 8 to the monitoring center data 9 acquisition command or parameter setting command, using the central terminal 7 applications used - terminal communications parsing the command protocol corresponding operation; 7 acquisition terminal according to the monitoring center elevator controller 6 9 command data, and in accordance with the center - a combination of the data packet, the data packet transmitted through the telephone network PSTN terminal 11 to the Internet protocol via the Internet 8 or directly 8 network 9 is sent to the monitoring center having a public IP network.

终端7采用RS422协议与电梯控制器6调试端口通讯,避免了直接对电梯控制器6进行电信号采集。 RS422 protocol using the terminal 7 and the elevator 6 debug port communications controller, the controller avoids direct elevator 6 for signal acquisition. 在与不同厂商、不同型号的电梯控制器进行通讯时,使用相同的通讯协议,避免了直接采集电信号时复杂的连线和配置,具有可靠性高、成本低廉、安装配置方便等优势。 When communicating with different manufacturers, different models of the elevator controller, use the same communication protocols, avoiding complex wiring and configuration when a direct electrical signal acquisition, high reliability, low cost, easy installation configuration and other advantages. 如图3所示,在应用于不支持调试端口电梯控制器6时,可在终端7和电梯控制器6之间接入一台终端前置器12,通过终端前置器12对电梯控制器6进行电信号采集,并转换为RS422协议数据与终端7通讯。 3, the debug port 6 is not applied to the elevator control support, a terminal can access pre-filter 12 between the terminals 7 and the elevator controller 6, the front end 12 of the elevator controller 6 for signal acquisition, and is converted to RS422 protocol data communication with the terminal 7.

具体实施中,终端是一个独立的工作单元,如图4所示,以MOTOROLA公司的POWER PC系列嵌入式处理器MPC850为核心,外接程序存储器FLASH、数据存储器SDRAM和FPGA,外扩SOCKETMODEM模块、以太网通讯模块、RS422串口通讯模块和RS232串口通讯模块,各模块设有相应的接口与外部通讯。 In particular embodiments, the terminal is a separate unit of work, 4 to MOTOROLA company POWER PC MPC850 core embedded processors, external program memory FLASH, SDRAM and the FPGA data memory, external expansion SOCKETMODEM module Ether network communication module, RS422 and RS232 serial communication module serial communication modules, each provided with a respective external communications interface. 嵌入式处理器还外扩有系统复位模块、实时时钟以及各种按键和指示灯。 Embedded processor is further extended with a system reset module, the real-time clock, and various keys and indicators.

终端通过以太网接口接入Internet网络或者拨号连入Internet网络与监测中心进行交互,同时通过RS422串口通信接口对若干个电梯控制器进行参数设置和数据采集。 A network terminal connected to the Internet to interact with the monitoring center via the Ethernet interface or dial-up access to the Internet, at the same time data acquisition parameters and a plurality of elevator controller via the RS422 serial communication interface.

终端使用大容量的非易失性存储器件FLASH,存储参数及指定的电梯控制器数据。 Terminal large-capacity nonvolatile memory device FLASH, and the elevator controller data storage parameters specified.

RS232串口通讯接口用于嵌入式Linux操作系统的程序调试信息的打印,该串口可以连接到PC机上,通过串口打印调试信息,方便终端系统的维护。 Program RS232 serial communication interface for embedded Linux operating system print debugging information, the serial port can be connected to a PC, print debug information through a serial port for easy maintenance terminal system.

终端采用嵌入式Linux系统,包括操作系统、驱动程序和应用程序,其中应用程序包含有:与电梯控制器的RS422通讯协议、与监测中心的TCP/IP Socket通讯协议;与电梯控制器的通讯协议具有可扩展性,可以不断添加协议内容。 Terminal embedded Linux system, including the operating system, drivers, and applications, wherein the application comprises: an elevator controller RS422 protocol, with the monitoring center TCP / IP Socket communication protocol; communication protocol with the elevator controller scalable, you can continue to add content agreement. 终端通过PSTN网络连接Internet网络或直接连接Internet网络与连接于Internet网络的监测中心进行Socket通讯,采用TCP/IP协议,保证了数据传输的可靠性,终端与监测中心之间的通讯符合一套规定的通讯协议,终端使用统一的接口处理来自监测中心的命令,使终端的独立性加强。 Internet terminal is connected via PSTN network connected to the Internet network or direct-network connection Socket Communications network monitoring center to the Internet using TCP / IP protocol, to ensure the reliability of data transmission, the communication between the terminal and the monitoring center line with a predetermined communication protocol, using a unified interface processing terminal command from the monitoring center, to strengthen the independence of the terminal.

终端通过RS422协议与电梯控制器通讯,当所连接的电梯控制器不支持此RS422协议时,可在终端与电梯控制器直接连接终端前置器,完成电信号采集并转换为RS422协议。 Terminals communicate with the controller via RS422 protocol elevators, when the elevator controller RS422 connection does not support this protocol, a terminal can be directly connected with the front end in the elevator control, signal acquisition is completed and converted to RS422 protocol.

监测中心位于Internet网络,具有公网IP。 Internet network monitoring center is located, it has a public IP. 监测中心应用软件基于Windows平台,并连接数据库服务器。 Monitoring Center application software based on the Windows platform, and connect to the database server.

监测中心的功能包括:1、管理终端和电梯控制器,包括终端的添加、删除、属性修改,电梯控制器的添加、删除、电梯属性修改——控制器类型、通讯地址、电梯楼层数等;2、与终端的数据组包和发送,以及数据的接收和解包,提供数据校验,并能监测通讯链路;3、数据的存储、分析、报表打印输出等。 Monitoring Center functions include: 1, the elevator controller and the management terminal, the terminal comprising adding, deleting, modifying properties, the elevator controller add, delete, modify the properties of the elevator - a controller type, address, the number of elevator floor and the like; 2, the data group packet and the transmitting terminal and to receive and unpack data, provide data validation, and to monitor communication link; 3, data storage, analysis, report print output. 监测中心软件设计基于TCP/IP技术,人机界面友善,可扩展性能好。 Monitoring center software design is based on TCP / IP technology, human-machine friendly interface, scalability and good performance.

图5所示为终端与电梯控制器通讯的流程图,如图所示,终端依据具体的电梯控制器协议采集电梯状态数据并解析处理。 Figure 5 is a flowchart of the communication terminal and the elevator controller, as shown in FIG elevator status data collection terminals depending on the particular elevator controller protocol and analysis processing. 终端通过422串口实时向电梯控制器发送电梯监控命令M-1-1-1,该命令可用来监控电梯轿厢状态、操作模式、运动状态、门状态、内外呼的数目以及负载状态。 Serial port 422 transmitted in real time by the terminal the elevator control command to the elevator controller M-1-1-1, this command can be used to monitor the status of the elevator car, an operation mode, motion, status of the door, both inside and outside call number and the load. 终端首先判断读取数据是否有效,对有效的状态数据依照电梯控制器协议进行解析,得到电梯当前的状态信息,其中操作模式是非常重要的电梯参数,依据该参数判断电梯的当前状态是否正常,若为异常,则根据异常状态的不同级别通过通讯子系统向监测中心发送报警,监测中心对报警事件作相应处理,并可根据需要通过终端向电梯控制器发送电梯控制器命令,读取电梯控制器的返回数据,达到对电梯状态进一步监测分析的目的。 The terminal first determines whether the read data is valid, the valid state data for analyzing elevator controller in accordance with the protocol to obtain the current status information of the elevator, an operation mode of the elevator is a very important parameter, determining whether the current parameters of the elevator according to the normal state, If it is abnormal, the subsystem sends an alarm to the monitoring center according to the different levels of the abnormal state through the communication, the monitoring center alarm event for the respective processing, and may send commands to the elevator control by the elevator control terminal as required, the read elevator control returner data for the purpose of monitoring the state of the elevator for further analysis.

Claims (5)

1.一种基于Internet网络的电梯远程监测系统,由电梯控制器、终端、监测中心以及终端和监测中心之间的通讯子系统组成,其特征在于:所述的终端以嵌入式处理器为核心,外接程序存储器FLASH、数据存储器SDRAM、FPGA,外扩SOCKET MODEM模块、以太网通讯模块、RS422串口通讯模块和RS232串口通讯模块,各模块上设有相应的接口与外部通讯;终端采用嵌入式Linux操作系统;所述的通讯子系统由Internet网络组成或由PSTN电话网和Internet网络组成,终端通过RS422串口通讯接口采集电梯控制器数据并接入Internet网络或通过PSTN电话网络接入Internet网络与接入Internet网络另一端的监测中心通讯。 An elevator remote monitoring system based on the Internet, the communication between the elevator controllers, the terminal, the terminal and the monitoring center and the monitoring center subsystems, wherein: said terminal processor core embedded , an external program memory FLASH, a data memory SDRAM, FPGA, extended SOCKET MODEM module, Ethernet communication module, RS422 and RS232 serial communication module serial communication module, provided with a corresponding external communication interface on each module; terminal embedded Linux operating system; the communication subsystem consists of or consist of the Internet and Internet telephone network PSTN network of the terminal through the RS422 serial communication interface and data acquisition elevator controller or access to the Internet via PSTN telephone access and network access the Internet monitoring Center into the other end of the Internet communications network.
2.如权利要求1所述的基于Internet网络的电梯远程监测系统,其特征在于:所述的嵌入式处理器还外扩有系统复位模块、实时时钟以及各种按键和指示灯。 As claimed in claim 1, said elevator remote monitoring system based on the Internet network, wherein: said processor is further extended embedded system reset module, the real-time clock, and various keys and indicators.
3.如权利要求1所述的基于Internet网络的电梯远程监测系统,其特征在于:所述的监测中心还连有数据库服务器。 Remote Elevator Monitoring System Based on the Internet according to claim 1, wherein: said monitoring center is also connected with a database server.
4.如权利要求1所述的基于Internet网络的电梯远程监测系统,其特征在于:所述的终端采用RS422协议与电梯控制器调试端口通讯;终端与电梯控制器之间接入终端前置器。 The elevator remote monitoring system based on the Internet, wherein according to claim 1: The terminal uses the debug port RS422 communication protocol controller with the elevator; pre between the access terminal and the elevator control terminal.
5.如权利要求1所述的基于Internet网络的电梯远程监测系统,其特征在于:所述的终端通过Internet网络实现软件的自动更新,监测中心将新的终端版本文件按固定大小分包,并加上校验码打包,通过与终端建立的TCP/IP Socket连接传输给终端,终端接收到所有的数据包后重组,核对校验码正确后,自动覆盖原有文件并重启运行新的版本文件。 An elevator remote monitoring system based on the Internet according to claim 1, wherein: said terminal automatically updating software through the Internet network implementation, the monitoring center will be a new terminal sub fixed version of the file size, and checksum packaged together, after receiving all the packets transmitted recombinant connected to a terminal, the terminal with the terminal by establishing a TCP / IP Socket, after checking the check code is correct, and restart automatically overwritten and run the new version of the file .
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CN101907998A (en) * 2010-08-17 2010-12-08 中兴通讯股份有限公司 Update system and method of embedded systems
CN102202387A (en) * 2010-03-26 2011-09-28 大唐移动通信设备有限公司 Operation method and device of outdoor clock unit (OCU)
CN101714994B (en) 2009-11-25 2012-12-19 钟长征 Ethernet-based elevator remote monitoring system and control method thereof
CN102915017A (en) * 2012-11-01 2013-02-06 颜士博 Internet-based distributed type closed-loop control system and method
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CN101714994B (en) 2009-11-25 2012-12-19 钟长征 Ethernet-based elevator remote monitoring system and control method thereof
CN102202387A (en) * 2010-03-26 2011-09-28 大唐移动通信设备有限公司 Operation method and device of outdoor clock unit (OCU)
CN101907998A (en) * 2010-08-17 2010-12-08 中兴通讯股份有限公司 Update system and method of embedded systems
CN101907998B (en) * 2010-08-17 2016-03-30 中兴通讯股份有限公司 The renewal system and method for embedded system
CN102915017A (en) * 2012-11-01 2013-02-06 颜士博 Internet-based distributed type closed-loop control system and method
CN102915017B (en) * 2012-11-01 2015-08-12 颜士博 A kind of distributed closed loop control system based on internet
CN108046078A (en) * 2018-01-22 2018-05-18 深圳技术大学(筹) A kind of elevator operation monitors system and method
WO2019140799A1 (en) * 2018-01-22 2019-07-25 深圳技术大学(筹) Elevator operating state monitoring system and method

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