CN102426775A - Electric power consumption information acquisition device, electric power consumption information acquisition and transmission method and system - Google Patents

Electric power consumption information acquisition device, electric power consumption information acquisition and transmission method and system Download PDF

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CN102426775A
CN102426775A CN2011103053187A CN201110305318A CN102426775A CN 102426775 A CN102426775 A CN 102426775A CN 2011103053187 A CN2011103053187 A CN 2011103053187A CN 201110305318 A CN201110305318 A CN 201110305318A CN 102426775 A CN102426775 A CN 102426775A
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epon
module
data
optical
power information
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刘建明
李祥珍
臧志斌
欧清海
李云峰
武延年
郑英刚
何清素
刘永波
夏开毕
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State Grid Corp of China SGCC
State Grid Information and Telecommunication Co Ltd
China Gridcom Co Ltd
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State Grid Information and Telecommunication Co Ltd
China Gridcom Co Ltd
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Abstract

本发明提供了一种用电信息采集设备、用电信息采集和传输系统和用于采集和传输用电信息的方法。用电信息采集设备包括数据采集模块、EPON处理模块和光发送模块。其中数据采集模块从电表获得采集数据,EPON处理模块将所述采集数据转换成适于通过EPON系统传输的EPON数据,光发送模块在所述EPON处理模块控制下基于所述EPON数据生成光信号,并通过光纤发送所述光信号。通过实施本发明的设备、系统和方法,能够有效提高电力信息传输的稳定性和传输速率,满足实时传输的要求。

The invention provides a power consumption information collection device, a power consumption information collection and transmission system and a method for collecting and transmitting power consumption information. The power consumption information collection device includes a data collection module, an EPON processing module and an optical transmission module. Wherein the data acquisition module obtains the collected data from the electric meter, the EPON processing module converts the collected data into EPON data suitable for transmission through the EPON system, and the optical sending module generates an optical signal based on the EPON data under the control of the EPON processing module, And send the optical signal through the optical fiber. By implementing the device, system and method of the present invention, the stability and transmission rate of power information transmission can be effectively improved to meet the requirements of real-time transmission.

Description

用电信息采集设备、用电信息采集和传输方法及系统Electricity consumption information collection device, power consumption information collection and transmission method and system

技术领域 technical field

本发明涉及信息采集传输领域,特别涉及用电信息的采集和传输。The invention relates to the field of information collection and transmission, in particular to the collection and transmission of electricity consumption information.

背景技术 Background technique

用电信息采集系统具有电能信息采集、电能质量检测、用电分析和管理、智能用电设备信息交互等功能。现有的用电信息采集系统主要包括主站系统、通信信道、集中器和采集器。The power consumption information collection system has functions such as power information collection, power quality detection, power consumption analysis and management, and intelligent power consumption equipment information interaction. The existing electricity consumption information collection system mainly includes a main station system, a communication channel, a concentrator and a collector.

图1为现有的用电信息采集系统的结构图。参见图1,采集器11与电表10连接,从电表10获得采集数据,并且通过电力载波将采集数据发送至集中器12。集中器12一般设于小区,用于收集多个采集器11的采集数据并通过通信信道发送给主站系统13。通信信道负责提供主站系统13与集中器12之间的信息交互,主要的通信方式包括GPRS、CDMA。主站系统13负责对所接收的电能信息进行分析和管理。FIG. 1 is a structural diagram of an existing electricity consumption information collection system. Referring to FIG. 1 , the collector 11 is connected with the electric meter 10 , obtains collected data from the electric meter 10 , and sends the collected data to the concentrator 12 through the power carrier. The concentrator 12 is generally located in a community, and is used to collect data collected by multiple collectors 11 and send it to the master station system 13 through a communication channel. The communication channel is responsible for providing information exchange between the main station system 13 and the concentrator 12, and the main communication methods include GPRS and CDMA. The master station system 13 is responsible for analyzing and managing the received electric energy information.

但是,本发明的发明人发现现有的采集传输系统会导致如下问题:However, the inventors of the present invention have found that the existing collection and transmission system can cause the following problems:

1.采集器与集中器之间采用电力载波方式,但是电力载波方式容易受到电网的影响,造成高频信号在低压台区电力线上的传输信号衰减较快,使得采集器与集中器的通信成功率不高。1. The power carrier method is used between the collector and the concentrator, but the power carrier method is easily affected by the power grid, causing the transmission signal of the high-frequency signal on the power line of the low-voltage station area to attenuate quickly, making the communication between the collector and the concentrator successful The rate is not high.

2.集中器与主站系统之间的通讯由于采用GPRS、CDMA等方式存在以下问题:第一、信号容易受到干扰,造成包丢失、转接时延长、运行不稳定、无法保证通信故障及时处理等问题;第二、这种传输方式的传输数据速度低,其传输的最大速率受限,不能保证实时传输的要求。2. The communication between the concentrator and the main station system has the following problems due to the use of GPRS, CDMA, etc.: First, the signal is easily interfered, resulting in packet loss, prolonged transfer, unstable operation, and cannot guarantee timely handling of communication failures Second, the transmission data speed of this transmission method is low, and the maximum transmission rate is limited, which cannot guarantee the requirement of real-time transmission.

发明内容Contents of the invention

本发明的发明人发现上述现有技术中存在的问题,并因此针对所述问题中的至少一个问题提出了一种新的技术方案。The inventors of the present invention have discovered the problems in the above-mentioned prior art, and therefore proposed a new technical solution for at least one of the problems.

本发明的一个目的是提供一种用电信息采集设备、用电信息采集和传输方法及系统,确保用电信息采集的稳定性和实时性。An object of the present invention is to provide a power consumption information collection device, a power consumption information collection and transmission method and system, to ensure the stability and real-time performance of power consumption information collection.

根据本发明的一个方面,提供了一种用电信息采集设备,包括:According to one aspect of the present invention, there is provided a device for collecting electricity consumption information, including:

数据采集模块,用于从电表获得采集数据;The data acquisition module is used to obtain the collected data from the electric meter;

EPON处理模块,用于将所述采集数据转换成适于通过EPON系统传输的EPON数据;EPON processing module, for converting the collected data into EPON data suitable for transmission through the EPON system;

光发送模块,用于在所述EPON处理模块控制下基于所述EPON数据生成光信号,并通过光纤发送所述光信号。An optical sending module, configured to generate an optical signal based on the EPON data under the control of the EPON processing module, and send the optical signal through an optical fiber.

优选地,所述数据采集模块具有至少一个接口,分别与至少一个电表保持信号连接。Preferably, the data acquisition module has at least one interface, which is respectively connected to at least one electric meter in signal connection.

优选地,所述数据采集模块的所述接口是RS485接口,用于通过RS485总线与电表保持信号连接。Preferably, the interface of the data acquisition module is an RS485 interface, which is used to maintain a signal connection with the electric meter through the RS485 bus.

优选地,所述用电信息采集设备还包括FE接口模块,所述FE接口模块与所述EPON处理模块电连接,用作所述用电信息采集设备的调试维护口。Preferably, the power consumption information collection device further includes a FE interface module, the FE interface module is electrically connected to the EPON processing module, and serves as a debugging and maintenance port of the power consumption information collection device.

优选地,所述用电信息采集设备还包括存储模块,用于存储所述采集数据。Preferably, the power consumption information collection device further includes a storage module for storing the collected data.

优选地,所述存储模块包括FLASH和/或SRAM。Preferably, the storage module includes FLASH and/or SRAM.

根据本发明的第二方面,提供了一种用电信息采集和传输系统,包括:According to a second aspect of the present invention, a system for collecting and transmitting electricity consumption information is provided, including:

用电信息采集设备,所述设备包括数据采集模块、EPON处理模块和光发送模块,其中所述数据采集模块用于从电表获得采集数据,所述EPON处理模块用于将所述采集数据转换成适于通过EPON系统传输的EPON数据,所述光发送模块用于在所述EPON处理模块控制下基于所述EPON数据生成光信号,并被配置为通过光纤将光信号发送至光分路器;Electricity information collection equipment, the equipment includes a data collection module, an EPON processing module and an optical transmission module, wherein the data collection module is used to obtain collection data from an electric meter, and the EPON processing module is used to convert the collection data into suitable For EPON data transmitted through the EPON system, the optical sending module is used to generate an optical signal based on the EPON data under the control of the EPON processing module, and is configured to send the optical signal to an optical splitter through an optical fiber;

光分路器,与所述光发送模块通过光纤连接,用于将所述光发送模块发送的光信号发送至光线路终端;an optical splitter, connected to the optical sending module through an optical fiber, and used to send the optical signal sent by the optical sending module to an optical line terminal;

光线路终端,与所述光分路器和主站系统分别连接,用于将所述光分路器发送的光信号转换为电信号并发送至所述主站系统;An optical line terminal is connected to the optical splitter and the main station system respectively, and is used to convert the optical signal sent by the optical splitter into an electrical signal and send it to the main station system;

主站系统,用于对所述光线路终端发送的电信号进行处理,并对所述用电信息采集和传输系统进行控制。The main station system is used to process the electrical signal sent by the optical line terminal, and control the power consumption information collection and transmission system.

优选地,所述数据采集模块具有至少一个接口,分别与至少一个电表保持信号连接。Preferably, the data acquisition module has at least one interface, which is respectively connected to at least one electric meter in signal connection.

优选地,所述数据采集模块的所述接口是RS485接口,用于通过RS485总线与电表保持信号连接。Preferably, the interface of the data acquisition module is an RS485 interface, which is used to maintain a signal connection with the electric meter through the RS485 bus.

优选地,所述用电信息采集和传输系统的用电信息采集设备还包括FE接口模块,所述FE接口模块与所述EPON处理模块电连接,用作所述用电信息采集设备的调试维护口。Preferably, the power consumption information collection device of the power consumption information collection and transmission system further includes a FE interface module, the FE interface module is electrically connected to the EPON processing module, and is used for debugging and maintenance of the power consumption information collection device mouth.

优选地,所述用电信息采集和传输系统的用电信息采集设备还包括存储模块,用于存储所述采集数据。Preferably, the power consumption information collection device of the power consumption information collection and transmission system further includes a storage module for storing the collected data.

优选地,所述存储模块包括FLASH和/或SRAM。Preferably, the storage module includes FLASH and/or SRAM.

根据本发明的第三方面,提供了一种用于采集和传输用电信息的方法,包括:According to a third aspect of the present invention, a method for collecting and transmitting electricity consumption information is provided, including:

S101.从电表获得采集数据;S101. Obtaining collected data from the electric meter;

S102.将所述采集数据转换成适于通过EPON系统传输的EPON数据;S102. Converting the collected data into EPON data suitable for transmission through the EPON system;

S103.基于所述EPON数据生成光信号,并通过光纤发送所述光信号。S103. Generate an optical signal based on the EPON data, and send the optical signal through an optical fiber.

优选地,在步骤S101之后,存储所述采集数据。Preferably, after step S101, the collected data is stored.

采用本发明的用电信息采集设备,能够从多个电表获得采集数据,并将采集数据通过EPON系统最终发送至主站系统。由于用电信息采集设备将采集数据通过EPON系统传输到主站系统,避免了高频信号衰减、包丢失、转接时延长等现象,提高了信号传输的稳定性这会有效减少信息丢包等现象,提高了电力信息传输的稳定性。By adopting the power consumption information collection device of the present invention, the collection data can be obtained from multiple electric meters, and the collection data can be finally sent to the main station system through the EPON system. Since the power consumption information collection equipment transmits the collected data to the main station system through the EPON system, it avoids the phenomenon of high-frequency signal attenuation, packet loss, and extension when switching, and improves the stability of signal transmission. This will effectively reduce information packet loss, etc. This phenomenon improves the stability of power information transmission.

通过以下参照附图对本发明的示例性实施例的详细描述,本发明的其它特征及其优点将会变得清楚。Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings.

附图说明 Description of drawings

构成说明书的一部分的附图描述了本发明的实施例,并且连同说明书一起用于解释本发明的原理。The accompanying drawings, which constitute a part of this specification, illustrate the embodiments of the invention and together with the description serve to explain the principles of the invention.

参照附图,根据下面的详细描述,可以更加清楚地理解本发明,其中:The present invention can be more clearly understood from the following detailed description with reference to the accompanying drawings, in which:

图1为现有用电信息采集系统的结构示意图;Fig. 1 is the structural schematic diagram of existing power consumption information collection system;

图2为本发明用电信息采集设备的一个实施例的结构示意图;Fig. 2 is a schematic structural diagram of an embodiment of the electricity consumption information collection device of the present invention;

图3为本发明用电信息采集设备的另一个实施例的结构示意图;Fig. 3 is a schematic structural diagram of another embodiment of the electricity consumption information collection device of the present invention;

图4为本发明用电信息采集设备的又一个实施例的结构示意图;Fig. 4 is a schematic structural diagram of yet another embodiment of the electricity consumption information collection device of the present invention;

图5为本发明用电信息采集和传输系统的一个实施例的结构示意图;Fig. 5 is a schematic structural diagram of an embodiment of the electricity consumption information collection and transmission system of the present invention;

图6为本发明用电信息采集和传输系统的另一实施例的结构示意图;Fig. 6 is a schematic structural diagram of another embodiment of the electricity consumption information collection and transmission system of the present invention;

图7为本发明用电信息采集和传输系统的又一个实施例的结构示意图;7 is a schematic structural diagram of another embodiment of the electricity consumption information collection and transmission system of the present invention;

图8为本发明用于采集和传输用电信息的方法的一个实施例的流程图。FIG. 8 is a flow chart of an embodiment of the method for collecting and transmitting power consumption information of the present invention.

具体实施方式 Detailed ways

现在将参照附图来详细描述本发明的各种示例性实施例。应注意到:除非另外具体说明,否则在这些实施例中阐述的部件和步骤的相对布置、数字表达式和数值不限制本发明的范围。Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

同时,应当明白,为了便于描述,附图中所示出的各个部分的尺寸并不是按照实际的比例关系绘制的。At the same time, it should be understood that, for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship.

以下对至少一个示例性实施例的描述实际上仅仅是说明性的,决不作为对本发明及其应用或使用的任何限制。The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.

对于相关领域普通技术人员已知的技术、方法和设备可能不作详细讨论,但在适当情况下,所述技术、方法和设备应当被视为授权说明书的一部分。Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the Authorized Specification.

在这里示出和讨论的所有示例中,任何具体值应被解释为仅仅是示例性的,而不是作为限制。因此,示例性实施例的其它示例可以具有不同的值。In all examples shown and discussed herein, any specific values should be construed as illustrative only, and not as limiting. Therefore, other examples of the exemplary embodiment may have different values.

应注意到:相似的标号和字母在下面的附图中表示类似项,因此,一旦某一项在一个附图中被定义,则在随后的附图中不需要对其进行进一步讨论。It should be noted that like numerals and letters denote like items in the following figures, therefore, once an item is defined in one figure, it does not require further discussion in subsequent figures.

图2为本发明用电信息采集设备的一个实施例的结构示意图。参见图2,用电信息采集设备21包括数据采集模块211、EPON处理模块212和光发送模块213。Fig. 2 is a schematic structural diagram of an embodiment of the electricity consumption information collection device of the present invention. Referring to FIG. 2 , the power consumption information collection device 21 includes a data collection module 211 , an EPON processing module 212 and an optical transmission module 213 .

其中,数据采集模块211用于从电表获得采集数据。数据采集模块211可设有至少一个接口,每个接口分别与至少一个电表保持信号连接,可采用RS485总线进行连接。在本实施例中,数据采集模块211设有2个RS485接口,每个接口通过RS485总线与多个电表保持信号连接。数据采集模块211支持用电信息的采集和透传,不仅可采集用户的单相电表数据,还可采集专变用户的三相电表数据。需要说明的是,接口的数目不限于2个;接口的种类不限于RS485接口,也可采用其他类型的接口,例如光纤接口、无线传输接口,只要能够使数据采集模块与电表信号连接即可。Wherein, the data collection module 211 is used to obtain collection data from the electric meter. The data acquisition module 211 may be provided with at least one interface, and each interface shall maintain a signal connection with at least one ammeter respectively, which may be connected by RS485 bus. In this embodiment, the data acquisition module 211 is provided with two RS485 interfaces, and each interface maintains a signal connection with multiple electric meters through the RS485 bus. The data collection module 211 supports the collection and transparent transmission of electricity consumption information, and can not only collect the single-phase electric meter data of users, but also collect the three-phase electric meter data of special-purpose users. It should be noted that the number of interfaces is not limited to two; the types of interfaces are not limited to RS485 interfaces, and other types of interfaces can also be used, such as optical fiber interfaces and wireless transmission interfaces, as long as the data acquisition module can be connected to the electric meter signal.

EPON处理模块212与数据采集模块211电连接,可将采集数据转化成适于通过EPON系统传输的EPON数据。例如,将采集数据增加EPON帧头,并转换为1.25G/S的正射极耦合逻辑电平(PECL,Positive Emitter Coupled Logic)。The EPON processing module 212 is electrically connected to the data acquisition module 211, and can convert the collected data into EPON data suitable for transmission through the EPON system. For example, add the collected data to the EPON frame header and convert it to 1.25G/S positive emitter coupled logic level (PECL, Positive Emitter Coupled Logic).

光发送模块213在EPON处理模块212的控制下基于EPON数据生成光信号,并送入外线路。例如生成波长为1310nm的光信号并通过光纤发送该光信号。The optical sending module 213 generates an optical signal based on the EPON data under the control of the EPON processing module 212 and sends it to the external line. For example, an optical signal with a wavelength of 1310 nm is generated and transmitted through an optical fiber.

可将本发明的用电信息采集设备的外形按照一定的规范进行设置,例如按照国家电网Q/GDW375.3-2009采集器式的规范设置用电信息采集设备外形,并使其具有即插即用特征。本发明的用电信息采集设备还可集成电源模块,该电源模块用于将市电转换为用电信息采集设备所需的工作电压。例如,电源模块将AC220交流电经过滤波、浪涌保护、变压和整流滤波后输出合适的工作电压,例如3.3V或者5V。该电源模块的正常工作电压可以为AC220V±30%。此外,能够保证在AC220V×1.9的极限工作条件下正常工作至少4小时。The appearance of the power consumption information collection device of the present invention can be set according to certain specifications, for example, the configuration of the power consumption information collection device can be set according to the standard of the State Grid Q/GDW375.3-2009 collector type, and make it have a plug and play Use features. The power consumption information collection device of the present invention can also be integrated with a power supply module, which is used to convert the mains power into the working voltage required by the power consumption information collection device. For example, the power module outputs an appropriate working voltage, such as 3.3V or 5V, after the AC220 alternating current is filtered, surge protected, transformed and rectified. The normal working voltage of the power module can be AC220V±30%. In addition, it can guarantee to work normally for at least 4 hours under the extreme working condition of AC220V×1.9.

采用本发明的用电信息采集设备,具有以下优点:Adopting the electricity consumption information collection device of the present invention has the following advantages:

第一、由于用电信息采集设备将采集数据通过EPON系统传输到主站系统,避免了高频信号衰减、包丢失、转接时延长等现象,提高了信号传输的稳定性。First, because the power consumption information collection equipment transmits the collected data to the main station system through the EPON system, it avoids the phenomenon of high-frequency signal attenuation, packet loss, and extension when switching, and improves the stability of signal transmission.

第二、由于采用EPON系统,其带宽可高达千兆,能够满足实时传输的要求。Second, due to the adoption of the EPON system, its bandwidth can be as high as Gigabit, which can meet the requirements of real-time transmission.

第三、本发明的一个用电信息采集设备可与32块电表甚至更多数目的电表连接,这种多点采集模式有效降低了成本。Thirdly, an electricity consumption information collection device of the present invention can be connected with 32 electric meters or even more electric meters, and this multi-point collection mode effectively reduces the cost.

图3为本发明用电信息采集设备的另一个实施例的结构示意图。如图3所示,用电信息采集设备31包括数据采集模块311、EPON处理模块312、光发送模块313和FE接口模块314。其中,数据采集模块311、EPON处理模块312、光发送模块313与图2中的相应模块的构造和功能相同。FE接口模块314与EPON处理模块312电连接。在通常的采集过程中,FE接口模块314用作用电信息采集设备31的调试维护口,便于对设备的日常维护调试。此外,FE接口模块314还可以用作数据通信口,即将FE接口模块214与主站系统直接连接,从而将采集数据发送至主站系统。Fig. 3 is a schematic structural diagram of another embodiment of the electricity consumption information collection device of the present invention. As shown in FIG. 3 , the power consumption information collection device 31 includes a data collection module 311 , an EPON processing module 312 , an optical transmission module 313 and an FE interface module 314 . Among them, the structure and function of the data acquisition module 311 , the EPON processing module 312 , and the optical transmission module 313 are the same as those of the corresponding modules in FIG. 2 . The FE interface module 314 is electrically connected to the EPON processing module 312 . In a normal collection process, the FE interface module 314 is used as a debugging and maintenance port of the power consumption information collection device 31, which is convenient for daily maintenance and debugging of the device. In addition, the FE interface module 314 can also be used as a data communication port, that is, directly connect the FE interface module 214 with the main station system, so as to send the collected data to the main station system.

由于设置了FE接口模块314,可以方便地对用电信息采集设备31进行调试维护。此外,也提供了一种备用的数据通信口,增加了数据传输方式的选择性。Since the FE interface module 314 is provided, it is convenient to debug and maintain the power consumption information collection device 31 . In addition, a spare data communication port is also provided, which increases the selectivity of the data transmission mode.

图4为本发明用电信息采集设备的又一个实施例的结构示意图。如图4所示,用电信息采集设备41包括数据采集模块411、EPON处理模块412、光发送模块413和存储模块415。其中,数据采集模块411、EPON处理模块412、光发送模块413与图2、图3中的相应模块相同。存储模块415可在EPON处理模块412的控制下存储EPON数据。存储模块415包括FLASH和/或SRAM。例如,可将采集数据暂存在SRAM中或者将采集数据存储在FLASH中,供主站系统调用。Fig. 4 is a schematic structural diagram of another embodiment of the electricity consumption information collection device of the present invention. As shown in FIG. 4 , the power consumption information collection device 41 includes a data collection module 411 , an EPON processing module 412 , an optical sending module 413 and a storage module 415 . Wherein, the data collection module 411 , the EPON processing module 412 , and the optical sending module 413 are the same as the corresponding modules in FIG. 2 and FIG. 3 . The storage module 415 can store EPON data under the control of the EPON processing module 412 . The storage module 415 includes FLASH and/or SRAM. For example, the collected data can be temporarily stored in SRAM or stored in FLASH for the master station system to call.

需要说明的是,上述实施例中的光发送模块也可以替换为具有发送和接收双重功能的光接收模块,从而实现双向通信,其发送光波长可以为1490nm,接收光波长可以为1310nm。相应地,上行和下行传输速度可以达到1.25Gbps。It should be noted that the optical sending module in the above embodiment can also be replaced by an optical receiving module with dual functions of sending and receiving, so as to realize two-way communication. The wavelength of the sending light can be 1490nm, and the wavelength of receiving light can be 1310nm. Correspondingly, the uplink and downlink transmission speed can reach 1.25Gbps.

在另外的实施例中,用电信息采集设备还可根据需要集成有数据采集模块、EPON处理模块、光发送模块、FE接口模块、存储模块和电源模块。In another embodiment, the power consumption information collection device can also be integrated with a data collection module, an EPON processing module, an optical transmission module, an FE interface module, a storage module and a power supply module as required.

图5为本发明用电信息采集和传输系统一个实施例的结构示意图。Fig. 5 is a schematic structural diagram of an embodiment of the electricity consumption information collection and transmission system of the present invention.

如图5所示,用电信息采集和传输系统包括用电信息采集设备51、光分路器52、光线路终端53和主站系统54。用电信息采集设备51与图2中的用电信息采集设备21相同,包括数据采集模块511、EPON处理模块512和光发送模块513。As shown in FIG. 5 , the power consumption information collection and transmission system includes a power consumption information collection device 51 , an optical splitter 52 , an optical line terminal 53 and a master station system 54 . The power consumption information collection device 51 is the same as the power consumption information collection device 21 in FIG. 2 , including a data collection module 511 , an EPON processing module 512 and an optical transmission module 513 .

其中,数据采集模块511设有RS485接口,可采用RS485总线与电表连接,从而获得电表的采集数据。EPON处理模块512将所采集的数据转换成适于通过EPON系统传输的EPON数据。例如,将采集数据增加EPON帧头,并转换为1.25G/S的PECL。光发送模块513在EPON处理模块控制下基于该EPON数据生成光信号,并被配置为通过光纤将光信号发送至光分路器52。例如生成波长为1310nm的光信号并通过光纤发送该光信号。用电信息采集设备51一般可设于楼道或单元处,用于采集本楼道或本单元住户的电表数据。Wherein, the data acquisition module 511 is provided with an RS485 interface, and can be connected to the electric meter by using the RS485 bus, so as to obtain the collected data of the electric meter. The EPON processing module 512 converts the collected data into EPON data suitable for transmission through the EPON system. For example, add EPON frame header to the collected data and convert it to 1.25G/S PECL. The optical sending module 513 generates an optical signal based on the EPON data under the control of the EPON processing module, and is configured to send the optical signal to the optical splitter 52 through an optical fiber. For example, an optical signal with a wavelength of 1310 nm is generated and transmitted through an optical fiber. The electricity consumption information collection device 51 can generally be set at the corridor or the unit, and is used to collect the electricity meter data of the residents in the corridor or the unit.

光分路器52通过光纤与至少一个电信采集设备51连接,可将光发送模块413发送的光信号发送至光线路终端。具体地,光分路器52与电信采集设备51中的光发送模块513通过光纤连接。在本实施例中,光分路器52可与32个用电信息采集设备连接,当然还可根据实际需要选择不同的分光比,例如分光比为1∶8、1∶16或者1∶64。光分路器52可设于小区,与设于各个楼道中的用电信息采集设备51相连接,负责收集整个小区的电表信息。一个光分路器可与多个用电信息采集设备连接,并最终收集上千块电表的数据,满足电力采集的多点要求,有效降低成本;此外,可以根据需要,采用多种合适的拓扑结构,使得任何一台用电信息采集设备不会影响其他用电信息采集设备的正常运行。The optical splitter 52 is connected to at least one telecommunication collection device 51 through an optical fiber, and can send the optical signal sent by the optical sending module 413 to the optical line terminal. Specifically, the optical splitter 52 is connected to the optical sending module 513 in the telecommunication collection device 51 through an optical fiber. In this embodiment, the optical splitter 52 can be connected to 32 power consumption information collection devices. Of course, different splitting ratios can be selected according to actual needs, for example, the splitting ratio is 1:8, 1:16 or 1:64. The optical splitter 52 can be installed in the residential area, and is connected with the electricity consumption information collection equipment 51 installed in each corridor, and is responsible for collecting the electricity meter information of the entire residential area. An optical splitter can be connected to multiple power consumption information collection devices, and finally collect the data of thousands of electric meters to meet the multi-point requirements of power collection and effectively reduce costs; in addition, a variety of suitable topologies can be used according to needs structure, so that any power consumption information collection device will not affect the normal operation of other power consumption information collection devices.

然后,光线路终端53将光分路器52发送的光信号转换为电信号,并通过光线路终端53的FE接口发送至主站系统54。需要说明的是,光线路终端53还可根据主站系统的命令将数据通过光分路器发送至用电信息采集设备或电表,从而实现数据的下行传输。Then, the optical line terminal 53 converts the optical signal sent by the optical splitter 52 into an electrical signal, and sends it to the main station system 54 through the FE interface of the optical line terminal 53 . It should be noted that the optical line terminal 53 can also send data through the optical splitter to the electricity consumption information collection device or the electricity meter according to the command of the main station system, so as to realize the downlink transmission of data.

最后,主站系统54对光线路终端53发送的光信号进行分析处理。主站系统54所进行的分析处理不限于完成自动抄表,还用于对整个用电信息采集和传输系统进行控制以及完成费控、客户分析、用电检查等业务。Finally, the main station system 54 analyzes and processes the optical signal sent by the optical line terminal 53 . The analysis and processing performed by the master station system 54 is not limited to automatic meter reading, but is also used to control the entire electricity consumption information collection and transmission system, and complete services such as cost control, customer analysis, and electricity consumption inspection.

本系统兼容国际EPONIEEE802.3ah、IEEE802.3-2005标准,同时兼容国内运营商EPON标准,例如兼容中国电信EPON技术要求V2.1。此外,本系统还满足国家电网用电信息的采集规范,支持DLT645-2007规约的透传与Q/GDW376.1规约的处理。采用本发明的系统进行电表数据的采集和传输有效提高了信号传输的稳定性,满足数据实时传输的要求,有效降低了传输成本。另外,与采用GPRS、CDMA的通讯方式相比,采用本发明的系统进行数据传输的保密性更好,确保了传输的安全性。This system is compatible with international EPON IEEE802.3ah, IEEE802.3-2005 standards, and compatible with domestic operators EPON standards, such as compatible with China Telecom EPON technical requirements V2.1. In addition, this system also meets the national grid power consumption information collection specifications, supports the transparent transmission of the DLT645-2007 protocol and the processing of the Q/GDW376.1 protocol. Adopting the system of the present invention to collect and transmit the electric meter data effectively improves the stability of signal transmission, satisfies the requirement of real-time data transmission, and effectively reduces the transmission cost. In addition, compared with the communication methods of GPRS and CDMA, the confidentiality of data transmission by the system of the present invention is better, and the security of transmission is ensured.

图6为本发明用电信息采集和传输系统的另一实施例的结构示意图。如图6所示,用电信息采集和传输系统包括用电信息采集设备61、光分路器62、光线路终端63和主站系统64。Fig. 6 is a schematic structural diagram of another embodiment of the electricity consumption information collection and transmission system of the present invention. As shown in FIG. 6 , the power consumption information collection and transmission system includes a power consumption information collection device 61 , an optical splitter 62 , an optical line terminal 63 and a master station system 64 .

用电信息采集设备61与图3中的用电信息采集设备31的结构和功能相同,包括数据采集模块611、EPON处理模块612、光发送模块613和FE接口模块614。其中数据采集模块611设有至少一个接口,每个接口分别与至少一个电表保持信号连接,从而获得电表的采集数据。其连接方式可采用RS485总线进行连接。EPON处理模块612将所获得的采集数据转换成适于通过EPON系统传输的EPON数据,例如,将采集数据增加EPON帧头,并转换为1.25G/S的PECL。当然,也可采用其他方法转换成EPON数据。光发送模块513在EPON处理模块控制下基于EPON数据生成光信号,并被配置为通过光纤将光信号发送至光分路器62。例如生成波长为1360nm的光信号并通过光纤发送该光信号。FE接口模块614与EPON处理模块612电连接。在通常的采集过程中,FE接口模块614用作用电信息采集设备62的调试维护口,从而便于对用电信息采集设备62进行日常的维护调试。此外,FE接口模块514还可以用作数据通信口,即将FE接口模块614与主站系统64直接连接,从而将采集数据发送至主站系统64,这样就增加了采集数据传输方式的选择性。光分路器62、光线路终端63和主站系统64与图5中的对应设备相同,在此不再赘述。The power consumption information collection device 61 has the same structure and function as the power consumption information collection device 31 in FIG. The data acquisition module 611 is provided with at least one interface, and each interface maintains a signal connection with at least one electric meter, so as to obtain the collected data of the electric meter. Its connection mode can be connected by RS485 bus. The EPON processing module 612 converts the acquired collected data into EPON data suitable for transmission through the EPON system, for example, adds an EPON frame header to the collected data and converts it into 1.25G/S PECL. Of course, other methods can also be used to convert to EPON data. The optical sending module 513 generates an optical signal based on the EPON data under the control of the EPON processing module, and is configured to send the optical signal to the optical splitter 62 through an optical fiber. For example, an optical signal with a wavelength of 1360 nm is generated and transmitted through an optical fiber. The FE interface module 614 is electrically connected to the EPON processing module 612 . In a normal collection process, the FE interface module 614 is used as a debugging and maintenance port of the power consumption information collection device 62 , so as to facilitate daily maintenance and debugging of the power consumption information collection device 62 . In addition, the FE interface module 514 can also be used as a data communication port, that is, the FE interface module 614 is directly connected to the main station system 64, so as to send the collected data to the main station system 64, which increases the selectivity of the collected data transmission mode. The optical splitter 62 , the optical line terminal 63 and the main station system 64 are the same as the corresponding equipment in FIG. 5 , and will not be repeated here.

图7为本发明用电信息采集和传输系统的又一个实施例的结构示意图。如图7所示,用电信息采集和传输系统包括用电信息采集设备71、光分路器72、光线路终端73和主站系统74。用电信息采集设备71与图4中的用电信息采集设备41的结构和功能相同,包括数据采集模块711、EPON处理模块712、光发送模块713和存储模块715。其中数据采集模块711可设有至少一个接口,每个接口分别与至少一个电表保持信号连接,并采用RS485总线进行连接,从而获得电表的采集数据。EPON处理模块712将所获得的采集数据转换成适于通过EPON系统传输的EPON数据,例如,将采集数据增加EPON帧头,并转换为1.25G/S的PECL。基于该EPON数据,光发送模块713在EPON处理模块712控制下生成光信号,并被配置为通过光纤将光信号发送至光分路器72。存储模块715用于在EPON处理模块712的控制下存储EPON数据。存储模块715包括FLASH和/或SRAM。例如,可将采集数据暂存在SRAM中,保证采集数据的实时传输;或者将采集数据存储在FLASH中,根据主站系统74调用指令进行数据的传输。光分路器72、光线路终端73和主站系统74与图5、图6中的相应设备相同,在此不再赘述。Fig. 7 is a schematic structural diagram of another embodiment of the electricity consumption information collection and transmission system of the present invention. As shown in FIG. 7 , the power consumption information collection and transmission system includes a power consumption information collection device 71 , an optical splitter 72 , an optical line terminal 73 and a master station system 74 . The power consumption information collection device 71 has the same structure and function as the power consumption information collection device 41 in FIG. The data acquisition module 711 can be provided with at least one interface, and each interface maintains a signal connection with at least one ammeter respectively, and uses RS485 bus for connection, so as to obtain the collected data of the ammeter. The EPON processing module 712 converts the acquired collected data into EPON data suitable for transmission through the EPON system, for example, adds an EPON frame header to the collected data and converts it into 1.25G/S PECL. Based on the EPON data, the optical sending module 713 generates an optical signal under the control of the EPON processing module 712 and is configured to send the optical signal to the optical splitter 72 through an optical fiber. The storage module 715 is used for storing EPON data under the control of the EPON processing module 712 . The storage module 715 includes FLASH and/or SRAM. For example, the collected data can be temporarily stored in the SRAM to ensure real-time transmission of the collected data; or the collected data can be stored in the FLASH, and the data can be transmitted according to the call command of the master station system 74 . The optical splitter 72 , the optical line terminal 73 and the main station system 74 are the same as the corresponding equipment in FIG. 5 and FIG. 6 , and will not be repeated here.

用电信息采集和传输系统中的用电信息采集设备还可根据需要集成有数据采集模块、EPON处理模块、光发送模块、FE接口模块、存储模块和电源模块。The power consumption information collection equipment in the power consumption information collection and transmission system can also be integrated with a data collection module, an EPON processing module, an optical transmission module, an FE interface module, a storage module and a power supply module as required.

需要说明的是,上述实施例中的光发送模块可以替换为具有发送和接收双重功能的光接收模块,从而实现双向通信,其发送光波长可以为1490nm,接收光波长可以为1310nm。相应地,上行和下行传输速度可以达到1.25Gbps。It should be noted that the optical sending module in the above embodiment can be replaced by an optical receiving module with dual functions of sending and receiving, so as to realize two-way communication. The wavelength of the sending light can be 1490nm, and the wavelength of receiving light can be 1310nm. Correspondingly, the uplink and downlink transmission speed can reach 1.25Gbps.

图8为本发明用于采集和传输用电信息的方法的一个实施例的流程图。FIG. 8 is a flow chart of an embodiment of the method for collecting and transmitting power consumption information of the present invention.

如图8所示,本发明用于采集和传输用电信息的方法包括:As shown in Figure 8, the method for collecting and transmitting electricity consumption information in the present invention includes:

S101.从电表获得采集数据;S101. Obtaining collected data from the electric meter;

可以利用数据采集模块从电表获得采集数据。数据采集模块可设有多个接口,每个接口分别与多个电表保持信号连接。因此,数据采集模块可同时采集多个电表的数据。The data acquisition module can be used to obtain the collected data from the electric meter. The data acquisition module may be provided with multiple interfaces, and each interface maintains signal connection with multiple electric meters respectively. Therefore, the data collection module can collect data of multiple electric meters at the same time.

S102.将所述采集数据转换成适于通过EPON系统传输的EPON数据;S102. Converting the collected data into EPON data suitable for transmission through the EPON system;

利用EPON处理模块将采集数据转化成适于通过EPON系统传输的EPON数据。例如,将采集数据增加EPON帧头,并转换为1.25G/S的PECL,或者采用本领域公知的其他方法进行转换。Use the EPON processing module to convert the collected data into EPON data suitable for transmission through the EPON system. For example, the collected data is added with an EPON frame header and converted into 1.25G/S PECL, or converted by other methods known in the art.

S103.基于所述EPON数据生成光信号,并通过光纤发送所述光信号。S103. Generate an optical signal based on the EPON data, and send the optical signal through an optical fiber.

可以利用光发送模块生成光信号,并送入外线路。例如,利用光发送模块生成波长为1310nm的光信号并通过光纤发送该光信号。具体地,可将光信号从光发送模块发送至光分路器,再由光分路器发送至光线路终端,最后由光线路终端将该光信号转换成电信号通过FE接口发送至主站系统进行分析处理。The optical signal can be generated by the optical sending module and sent to the external line. For example, an optical signal with a wavelength of 1310 nm is generated by an optical transmission module and transmitted through an optical fiber. Specifically, the optical signal can be sent from the optical transmission module to the optical splitter, and then sent to the optical line terminal by the optical splitter, and finally the optical line terminal converts the optical signal into an electrical signal and sends it to the main station through the FE interface system for analysis.

需要说明的是,用电信息传输可以是双向传输,而不仅限于上行传输。例如,可利用光线路终端根据主站系统的命令将数据通过光分路器发送至用电信息采集设备或电表,从而完成数据的下行传输。It should be noted that the power consumption information transmission may be bidirectional transmission, not limited to uplink transmission. For example, the optical line terminal can be used to send data through the optical splitter to the power consumption information collection device or the electric meter according to the command of the main station system, so as to complete the downlink transmission of data.

优选地,在步骤S101之后,存储所述采集数据。例如,可将采集数据暂存在SRAM中或者将采集数据存储在FLASH中,供主站系统调用。这样既能保证数据的实时传输,也能在需要的时候进行数据传输。Preferably, after step S101, the collected data is stored. For example, the collected data can be temporarily stored in SRAM or stored in FLASH for the master station system to call. This can not only ensure the real-time transmission of data, but also transmit data when needed.

虽然已经通过示例对本发明的一些特定实施例进行了详细说明,但是本领域的技术人员应该理解,以上示例仅是为了进行说明,而不是为了限制本发明的范围。本领域的技术人员应该理解,可在不脱离本发明的范围和精神的情况下,对以上实施例进行修改。本发明的范围由所附权利要求来限定。Although some specific embodiments of the present invention have been described in detail through examples, those skilled in the art should understand that the above examples are for illustration only, rather than limiting the scope of the present invention. Those skilled in the art will appreciate that modifications can be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (14)

1. power information collecting device comprises:
Data acquisition module is used for obtaining image data from ammeter;
The EPON processing module is used for converting said image data to be suitable for through the EPON system transmissions EPON data;
Optical transmission module is used under said EPON processing module control, generating light signal based on said EPON data, and sends said light signal through optical fiber.
2. power information collecting device as claimed in claim 1, wherein said data acquisition module has at least one interface, is connected with at least one ammeter holding signal respectively.
3. power information collecting device as claimed in claim 2, the said interface of wherein said data acquisition module is the RS485 interface, is used for being connected with the ammeter holding signal through the RS485 bus.
4. power information collecting device as claimed in claim 1 also comprises the FE interface module, and said FE interface module is electrically connected with said EPON processing module, as the debugging maintenance mouth of said power information collecting device.
5. power information collecting device as claimed in claim 1 also comprises memory module, is used to store said image data.
6. power information collecting device as claimed in claim 5, wherein said memory module comprises FLASH and/or SRAM.
7. power information collection and transmission system comprise:
The power information collecting device; Said equipment comprises data acquisition module, EPON processing module and optical transmission module; Wherein said data acquisition module is used for obtaining image data from ammeter; Said EPON processing module is used for converting said image data to be suitable for through the EPON system transmissions EPON data, and said optical transmission module is used under said EPON processing module control, generating light signal based on said EPON data, and is configured to through optical fiber light signal is sent to optical branching device;
Optical branching device is connected through optical fiber with said optical transmission module, is used for the light signal that said optical transmission module sends is sent to optical line terminal;
Optical line terminal is connected respectively with main station system with said optical branching device, is used for the light signal that said optical branching device sends is converted into electric signal and is sent to said main station system;
Main station system is used for the electric signal that said optical line terminal sends is handled, and said power information collection and transmission system is controlled.
8. power information collection as claimed in claim 7 and transmission system, wherein said data acquisition module has at least one interface, is connected with at least one ammeter holding signal respectively.
9. power information collection as claimed in claim 8 and transmission system, the said interface of wherein said data acquisition module is the RS485 interface, is used for being connected with the ammeter holding signal through the RS485 bus.
10. power information collection as claimed in claim 7 and transmission system also comprise the FE interface module, and said FE interface module is electrically connected with said EPON processing module, as the debugging maintenance mouth of said power information collecting device.
11. power information collection as claimed in claim 7 and transmission system also comprise memory module, are used to store said image data.
12. power information collection as claimed in claim 11 and transmission system, wherein said memory module comprises FLASH and/or SRAM.
13. a method that is used to gather and transmit power information comprises:
S101. obtain image data from ammeter;
S102. convert said image data to be suitable for EPON data through the EPON system transmissions;
S103. generate light signal based on said EPON data, and send said light signal through optical fiber.
14. method as claimed in claim 13 also comprises:
After step S101, store said image data.
CN2011103053187A 2011-10-11 2011-10-11 Electric power consumption information acquisition device, electric power consumption information acquisition and transmission method and system Pending CN102426775A (en)

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US20070205915A1 (en) * 2006-02-16 2007-09-06 Elster Electricty, Llc Load control unit in communication with a fixed network meter reading system
CN201860424U (en) * 2010-08-25 2011-06-08 江苏林洋电子股份有限公司 EPON system and high-performance fiber communication three-phase watt-hour meter that can be accessed to the same
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