摘要：【中文】一种基于TCP的组播频道快速切换系统，包括，组播预处理转发服务端、组播快切缓存服务端，以及组播接收客户端，所述组播预处理转发服务端，接收信源组播信号，并对接收到的组播频道数据进行预处理；所述组播快切缓存服务端，识别所述组播频道数据的I帧起始位置，将视频数据保存到相应存储单元并进行管理；所述组播接收客户端，其将从所述组播快切缓存服务端获取的视频数据与本地组播接收的视频数据进行结合并播放。本发明还提供一种基于TCP的组播频道快速切换方法，消除了I帧等待时间和组播接收延时时间，同时为播放器准备了足够的起播数据，达到了快速切台的目的。 【EN】A multicast channel fast switching system based on TCP comprises a multicast preprocessing forwarding server, a multicast fast switching cache server and a multicast receiving client, wherein the multicast preprocessing forwarding server receives an information source multicast signal and preprocesses received multicast channel data; the multicast fast-switching cache server identifies the initial position of the frame I of the multicast channel data, and stores and manages the video data in a corresponding storage unit; and the multicast receiving client combines and plays the video data acquired from the multicast fast-switching cache server with the video data received by the local multicast. The invention also provides a method for rapidly switching the multicast channel based on the TCP, which eliminates the waiting time of the I frame and the multicast receiving delay time, and simultaneously prepares enough broadcast starting data for the player, thereby achieving the purpose of rapidly switching the channel.

摘要：【中文】一种支持多屏时移和回看融合生产的系统，包括，频道生产控制中心，用于频道的生产管理、频道的切片任务发布，以及频道信息和频道节目单的生产发布；HLS切片系统，对频道切片任务进行解析，将视频数据分割存储为切片文件，同时将切片信息汇报给时移与回看索引管理系统；时移与回看索引管理系统，接收切片信息，对切片信息进行维护管理，提供时移回看的索引服务；EPG节目单系统，接收频道信息和频道节目单，并提供频道列表和频道节目单的下载服务；应用客户端，获取频道列表和频道节目单，请求时移回看数据索引，并下载播放。本发明还提供一种支持多屏时移和回看融合生产的方法，将直播、时移和回看的体验融为一体，大大改善了播放体验。 【EN】A system supporting multi-screen time shifting and review fusion production comprises a channel production control center, a channel selection center and a channel selection center, wherein the channel production control center is used for production management of channels, slice task release of the channels, and production release of channel information and channel program lists; the HLS slicing system is used for analyzing the channel slicing task, dividing and storing the video data into slicing files, and reporting the slicing information to the time shifting and review index management system; the time-shifting and review index management system receives the slice information, maintains and manages the slice information and provides an index service of time-shifting review; the EPG playbill system receives the channel information and the channel playbill and provides a channel list and a downloading service of the channel playbill; and the application client acquires the channel list and the channel program list, requests to review the data index in a time-shifting manner, and downloads and plays the data index. The invention also provides a method for supporting the multi-screen time shifting and review fusion production, which integrates the live broadcast experience, the time shifting experience and the review experience and greatly improves the playing experience.

摘要：【中文】一种网格节点状态的监控系统，包括,电视应用客户端、汇报收集服务端、统计报警服务端，所述电视应用客户端，其将心跳数据、观看异常信息，以及网格区域标识汇报给所述汇报收集服务端；所述汇报收集服务端，其将所述心跳数据和观看异常信息按汇报的时间进行存储；所述统计报警服务端，其对所述汇报收集服务端存储的心跳数据和观看异常信息进行统计并计算，发出预警报告。本发明还提供一种网格节点状态的监控方法，可以及时对一个地区区域性断网和组播流下发异常发出预警，为运营商提供有效的网络运行状态监控手段。 【EN】A monitoring system for grid node states comprises a television application client, a report collection server and a statistic alarm server, wherein the television application client reports heartbeat data, viewing abnormal information and grid area identification to the report collection server; the report collecting server stores the heartbeat data and the viewing abnormal information according to the report time; and the statistical alarm server side is used for performing statistics and calculation on the heartbeat data and the abnormal viewing information stored by the report collection server side and sending out an early warning report. The invention also provides a method for monitoring the state of the grid nodes, which can timely send out early warning on the regional network disconnection and the abnormal multicast stream transmission in one area and provide an effective network running state monitoring means for operators.

摘要：【中文】一种支持运营参数动态调整下发的系统，包括，运营参数管理后台、参数下发服务端和多屏客户端，所述运营参数管理后台，其按用户区域和大小屏设备类型对运营参数进行管理和维护，保存到运营参数表；所述参数下发服务端，其根据所述多屏客户端的运营参数请求，从所述运营参数表中获取相应的运营参数，下发给所述多屏客户端；所述多屏客户端，其访问所述参数下发服务端，获取运营参数，并将所述运营参数应用到各业务处理环节和控制流程中。本发明还提供一种支持运营参数动态调整下发的方法，支持运营参数按区域和大小屏下发，不同运营区域下发不同运营参数，根据业务需要，可以随时增加新的运营参数，减少了频繁升级带来的运营成本。 【EN】A system supporting dynamic adjustment and issuing of operation parameters comprises an operation parameter management background, a parameter issuing server and a multi-screen client, wherein the operation parameter management background is used for managing and maintaining the operation parameters according to user areas and types of large and small screen devices and storing the operation parameters into an operation parameter table; the parameter issuing server acquires corresponding operation parameters from the operation parameter table according to the operation parameter request of the multi-screen client and issues the corresponding operation parameters to the multi-screen client; and the multi-screen client accesses the parameter issuing server to obtain the operation parameters, and applies the operation parameters to each business processing link and control flow. The invention also provides a method for supporting dynamic adjustment of the operation parameters, which supports the operation parameters to be issued according to the area and the size screen, different operation parameters are issued in different operation areas, new operation parameters can be added at any time according to the service requirement, and the operation cost brought by frequent upgrade is reduced.

摘要：【中文】一种支持IPv4及IPv6的组播频道生产和播放系统及方法，所述方法包括以下步骤：1）频道生产管理中心创建包括IPv4或IPv6的频道信源地址和目标组播地址的组播频道；2）创建组播转发任务并发布；3）创建组播频道快切任务并发布；4）组播频道转发处理；5）组播频道快切缓存处理；6）IPv4或IPv6的组播频道数据接收及播放。本发明还提供一种支持IPv4及IPv6的组播频道生产和播放系统，从频道生产环节、组播转发环节、组播频道快切缓存环节和组播频道接收播放环节整个体系同时支持IPv4和IPv6两种组播协议的组播频道生产与播放。 【EN】A multicast channel production and playing system and method supporting IPv4 and IPv6, the method comprising the steps of: 1) the channel production management center creates a multicast channel comprising a channel source address of IPv4 or IPv6 and a target multicast address; 2) creating and issuing a multicast forwarding task; 3) establishing and releasing a multicast channel fast switching task; 4) forwarding the multicast channel; 5) multicast channel fast switching cache processing; 6) and receiving and playing the multicast channel data of IPv4 or IPv 6. The invention also provides a multicast channel production and playing system supporting IPv4 and IPv6, which simultaneously supports the production and playing of the multicast channels of the two multicast protocols of IPv4 and IPv6 from the whole system of a channel production link, a multicast forwarding link, a multicast channel fast-switching cache link and a multicast channel receiving and playing link.

摘要：【中文】本发明涉及一种电动推拉杆的水下密封结构，属于密封结构领域。所述水下密封结构，包括设备腔组件、硬质护套组件、柔性护套组件三大部分。本发明主要用于解决电动推拉杆在水下长时间工作时的密封问题，其原理是由柔性护套组件将电动推拉杆与水环境隔离，由硬质护套组件为柔性护套组件提供骨架支撑；在电动推拉杆来回伸缩时，硬质护套组件和柔性护套组件可跟随动力杆运动，在确保水密的同时，减小对电动推拉杆的运动功能的影响。本发明的意义在于，在不更改电动推拉杆本身密封结构的前提下，通过加装水下密封结构，可使本身不具备水下工作能力的电动推拉杆在水下正常工作，可扩展电动推拉杆的能够适应的环境范围。 【EN】The invention relates to an underwater sealing structure of an electric push-pull rod, and belongs to the field of sealing structures. The underwater sealing structure comprises three parts, namely an equipment cavity assembly, a hard sheath assembly and a flexible sheath assembly. The invention mainly aims to solve the sealing problem of the electric push-pull rod when the electric push-pull rod works underwater for a long time, and the principle is that the electric push-pull rod is isolated from the water environment by a flexible sheath component, and a hard sheath component provides framework support for the flexible sheath component; when the electric push-pull rod stretches back and forth, the hard sheath component and the flexible sheath component can move along with the power rod, and the influence on the movement function of the electric push-pull rod is reduced while the watertight property is ensured. The underwater sealing structure is additionally arranged on the premise of not changing the sealing structure of the electric push-pull rod, so that the electric push-pull rod without underwater working capacity can normally work underwater, and the environment range which can be adapted to the electric push-pull rod can be expanded.

摘要：【中文】一种通过组播通道进行文件分发系统，包括，文件分发发起端，其接收文件分发接收客户端的下载文件请求，将实体文件分发请求发送给分发排期管理系统；分发排期管理系统，其根据实体文件分发请求，对分发任务进行排期管理，同时将分发排期计划分别发送给即时通讯服务和文件分发组播发送服务；即时通讯服务，其将分发排期计划通知给文件分发接收客户端；文件分发组播发送服务，其根据分发排期计划，使用组播通道将指定的文件或素材分发给文件分发接收客户端。本发明还提供一种通过组播通道进行文件分发方法，减少了服务端的访问压力和服务带宽压力，节省了网络资源。 【EN】A system for distributing files through multicast channels comprises a file distribution initiating terminal, a file distribution scheduling management system and a file distribution scheduling management system, wherein the file distribution initiating terminal receives a file downloading request of a file distribution receiving client and sends an entity file distribution request to the distribution scheduling management system; the distribution scheduling management system is used for scheduling and managing the distribution tasks according to the entity file distribution request and simultaneously sending the distribution scheduling plan to the instant messaging service and the file distribution multicast sending service respectively; the instant messaging service notifies the file distribution receiving client of the distribution scheduling plan; and a file distribution multicast transmission service for distributing the specified file or material to the file distribution reception client by using a multicast channel according to the distribution schedule. The invention also provides a method for distributing files through the multicast channel, which reduces the access pressure and the service bandwidth pressure of the server and saves network resources.

摘要：【中文】本发明公开了一种基于自组网模组及带计量运算的路灯断路器及方法，包括控制板、触摸式液晶显示器、漏电保护开关、负载端、自检单元、机械控制单元、自组网LoRa模块、电力载波模块和蓝牙模块；控制板上依次设置有通讯模组、电源处理模块、语音控制模块、采集模块、数据处理模块、数据存储模块、机械动作模块、人机交互接口。漏电保护开关通过双绞线连接负载端；所述控制板与触摸式液晶显示单元通过RS232连接，可实现多通讯模式切换，手机APP直连数据采集及授权后相关控制；塑料壳与控制板通过卡扣固定。本发明是集测量数字化、控制模块化、状态可视化、功能一体化、信息互动化功能于一体的电力断路器保护装置。 【EN】The invention discloses a street lamp circuit breaker and a method based on an ad hoc network module and with metering operation, wherein the street lamp circuit breaker comprises a control panel, a touch liquid crystal display, a leakage protection switch, a load end, a self-checking unit, a mechanical control unit, an ad hoc network LoRa module, a power line carrier module and a Bluetooth module; the control panel is sequentially provided with a communication module, a power supply processing module, a voice control module, an acquisition module, a data processing module, a data storage module, a mechanical action module and a man-machine interaction interface. The leakage protection switch is connected with the load end through a twisted pair; the control panel is connected with the touch liquid crystal display unit through RS232, multi-communication mode switching can be achieved, and the mobile phone APP is connected with relevant control after data acquisition and authorization; the plastic shell is fixed with the control panel through a buckle. The invention relates to a power circuit breaker protection device which integrates the functions of measurement digitization, control modularization, state visualization, function integration and information interaction.

摘要：【中文】一种组播频道生产控制方法，包括以下步骤：创建组播转发服务集群；建立组播频道主备源基本信息；建立并发布组播转发任务；主备源可用性检查，组播频道转发；组播转发任务和服务的状态监控及任务转移处理；组播频道输出监控及汇报；组播转发任务及服务的高可用调度处理。本发明还提供一种组播频道生产控制系统，不仅可以针对信源异常进行主备信源切换，还可以针对组播转发服务异常进行服务器高可用切换，为避免组播转发服务的假死状态引起的误判，将组播转发服务的输出流监控结果作为组播转发服务切换的先决条件，以确保转发服务器的高可用调度的准确性。 【EN】A multicast channel production control method, comprising the steps of: establishing a multicast forwarding service cluster; establishing basic information of a main source and a standby source of a multicast channel; establishing and issuing a multicast forwarding task; checking availability of a main source and a standby source, and forwarding a multicast channel; monitoring the state of multicast forwarding tasks and services and performing task transfer processing; monitoring and reporting the output of multicast channels; and high available scheduling processing of multicast forwarding tasks and services. The invention also provides a multicast channel production control system, which can not only switch the main and standby information sources according to the information source abnormity, but also switch the high availability of the server according to the multicast forwarding service abnormity, and in order to avoid misjudgment caused by the false death state of the multicast forwarding service, the output flow monitoring result of the multicast forwarding service is used as the prerequisite condition of the multicast forwarding service switching so as to ensure the accuracy of the high availability scheduling of the forwarding server.

摘要：【中文】本发明涉及一种车辆水下通气系统及方法。所述通气系统包括润滑通气管路、燃油通气管路和辅助设备气管路，所述润滑通气管路、燃油通气管路和辅助设备气管路各管路中的部件分别使用相同的油品，所述润滑通气管路、燃油通气管路和辅助设备气管路的通气口固定在距车体最低位置一定高度的车体上，所述通气口与大气连通。本发明提供的车辆水下通气系统及方法，提供了一种系统化的合理的车辆水下通气技术，解决了汽车涉水时浸入水下的零部件进水和通气不畅导致的故障等问题，提高了车辆整体的涉水性能与使用寿命。 【EN】The invention relates to a vehicle underwater ventilation system and a vehicle underwater ventilation method. The ventilation system comprises a lubricating ventilation pipeline, a fuel ventilation pipeline and an auxiliary equipment air pipeline, wherein parts in the lubricating ventilation pipeline, the fuel ventilation pipeline and the auxiliary equipment air pipeline respectively use the same oil product, ventilation ports of the lubricating ventilation pipeline, the fuel ventilation pipeline and the auxiliary equipment air pipeline are fixed on a vehicle body at a certain height away from the lowest position of the vehicle body, and the ventilation ports are communicated with the atmosphere. The vehicle underwater ventilation system and the method provided by the invention provide a systematic and reasonable vehicle underwater ventilation technology, solve the problems of faults and the like caused by water inlet and unsmooth ventilation of underwater parts when an automobile wades, and improve the overall wading performance and service life of the vehicle.