CN203119888U - Micro-power radio communication unit - Google Patents
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Abstract
本实用新型涉及一种微功率无线通信单元，包括主模块与从模块，所述主模块用于与主站进行通信，所述从模块用于与用户电能表进行通信，所述主模块包括主控MCU、与主控MCU连接的协控MCU、以及与协控MCU连接的主模块无线收发器，所述主控MCU具有与主站进行通信的主模块接口，所述从模块包括与主模块无线收发器配合的从模块无线收发器、与从模块无线收发器连接的MCU，所述MCU具有与电能表进行通信的从模块接口，从而通过微功率无线自组网，形成超稳定的网状网络构形，适应各种复杂、多变的现场环境，而且完全改变传统的人工抄表方式，不仅节省人力，而且能实现数据的实时采集、统计、分析，形成准确的用电量需求分布，对供电系统优化提供参考。
The utility model relates to a micro-power wireless communication unit, comprising a master module and a slave module, the master module is used for communicating with a master station, the slave module is used for communicating with a user electric energy meter, and the master module includes a master control MCU, the cooperative control MCU connected with the main control MCU, and the main module wireless transceiver connected with the cooperative control MCU, the main control MCU has a main module interface for communicating with the main station, and the slave module includes The slave module wireless transceiver coordinated with the wireless transceiver, and the MCU connected to the slave module wireless transceiver, the MCU has a slave module interface for communication with the energy meter, thereby forming an ultra-stable mesh through a micro-power wireless ad hoc network The network configuration adapts to various complex and changeable on-site environments, and completely changes the traditional manual meter reading method, which not only saves manpower, but also enables real-time data collection, statistics, and analysis to form an accurate power consumption demand distribution. Provide reference for power supply system optimization.
Description
技术领域technical field
本实用新型涉及无线抄表，尤其涉及一种微功率无线抄表系统用的微功率无线通信单元。The utility model relates to wireless meter reading, in particular to a micropower wireless communication unit for a micropower wireless meter reading system.
背景技术Background technique
长期以来，电力网供电依靠人力对各家各户的用电数据进行抄读、统计、分析，不仅耗时耗力，而且存在电表数据抄取周期较长、获取时间不一、统计分析慢等缺点，获得的结果不能及时准确地反映电网系统的用电量需求分布，对电网系统的网络优化没有参考价值，严重限制了电网系统的供电效率和质量的提高。现今，随着工业自动化的发展，城市居民住宅建设的日益发展，独立电能表的数量迅速增加，抄表计量也日趋复杂，传统的人工手动抄表已无法满足现今电网建设的需要。For a long time, the power supply of the power grid has relied on manpower to read, count, and analyze the electricity consumption data of each household. , the obtained results cannot timely and accurately reflect the power demand distribution of the power grid system, and have no reference value for the network optimization of the power grid system, which seriously limits the improvement of the power supply efficiency and quality of the power grid system. Today, with the development of industrial automation and the increasing development of urban residential construction, the number of independent electric energy meters has increased rapidly, and meter reading and measurement have become increasingly complex. Traditional manual meter reading has been unable to meet the needs of today's power grid construction.
实用新型内容Utility model content
有鉴于此，提供一种能实现无线自动抄表的微功率无线通信单元。In view of this, a micropower wireless communication unit capable of realizing wireless automatic meter reading is provided.
一种微功率无线通信单元，包括主模块与从模块，所述主模块用于与主站进行通信，所述从模块用于与用户电能表进行通信，所述主模块包括主控MCU、与主控MCU连接的协控MCU、以及与协控MCU连接的主模块无线收发器，所述主控MCU具有与主站进行通信的主模块接口，所述从模块包括与主模块无线收发器配合的从模块无线收发器、与从模块无线收发器连接的MCU，所述MCU具有与电能表进行通信的从模块接口。A micro-power wireless communication unit, comprising a master module and a slave module, the master module is used to communicate with a master station, the slave module is used to communicate with a user electric energy meter, the master module includes a master control MCU, and The cooperative control MCU connected to the main control MCU and the main module wireless transceiver connected with the cooperative control MCU, the main control MCU has a main module interface for communicating with the master station, and the slave module includes a wireless transceiver that cooperates with the main module The wireless transceiver of the slave module, the MCU connected with the wireless transceiver of the slave module, the MCU has a slave module interface for communicating with the energy meter.
进一步地，所述从模块还包括与MCU连接的指示灯。Further, the slave module also includes an indicator light connected to the MCU.
进一步地，所述指示灯为LED指示灯。Further, the indicator light is an LED indicator light.
进一步地，与主控MCU连接的存储器。Further, a memory connected to the main control MCU.
进一步地，所述存储器为FLASH或E2PROM。Further, the memory is FLASH or E2PROM.
进一步地，所述主模块还包括与协控MCU连接的指示灯。Further, the main module also includes an indicator light connected to the cooperative control MCU.
进一步地，所述指示灯为LED指示灯。Further, the indicator light is an LED indicator light.
进一步地，所述微功率无线通信单元的组网方式为TDMA+CSMA-CA，通信方式为半双工，调制方式为GFSK，无线通信速率为10Kbps，频率范围为470MHz-510MHz，接收灵敏度约为-115dbm，调制频偏为25KHz±5KHz。Further, the networking method of the micro-power wireless communication unit is TDMA+CSMA-CA, the communication method is half-duplex, the modulation method is GFSK, the wireless communication rate is 10Kbps, the frequency range is 470MHz-510MHz, and the receiving sensitivity is about -115dbm, modulation frequency deviation is 25KHz±5KHz.
与现有技术相比，本实用新型微功率无线通信单元通过微功率无线自组网，形成超稳定的网状网络构形，适应各种复杂、多变的现场环境，而且完全改变传统的人工抄表方式，不仅节省人力，而且能实现数据的实时采集、统计、分析，形成准确的用电量需求分布，对供电系统优化提供参考。Compared with the prior art, the micro-power wireless communication unit of the utility model forms an ultra-stable mesh network configuration through the micro-power wireless ad hoc network, adapts to various complex and changeable field environments, and completely changes the traditional artificial The meter reading method not only saves manpower, but also enables real-time data collection, statistics, and analysis to form an accurate power demand distribution and provide reference for power supply system optimization.
附图说明Description of drawings
图1是本实用新型微功率无线通信单元的主模块的方框图。Fig. 1 is a block diagram of the main module of the micropower wireless communication unit of the present invention.
图2是本实用新型微功率无线通信单元的从模块的方框图。Fig. 2 is a block diagram of the slave module of the micropower wireless communication unit of the present invention.
具体实施方式Detailed ways
为了使本实用新型的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本实用新型进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本实用新型，并不用于限定本实用新型。In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.
本实用新型微功率无线通信单元用于对用产电能表进行无线数据采集，在主站(即国网公司或各网省公司的主站)与用户之间实现无线数据通信，构建微功率无线抄表系统，其组网方式为TDMA+CSMA-CA，通信方式为半双工，调制方式为GFSK，无线通信速率为10Kbps，频率范围为470MHz-510MHz，接收灵敏度约为-115dbm，调制频偏为25KHz±5KHz。The micro-power wireless communication unit of the utility model is used for wireless data collection of electric energy meters used for production, and realizes wireless data communication between the main station (that is, the main station of the State Grid Corporation or each provincial company) and the user, and constructs a micro-power wireless communication unit. Meter reading system, the networking method is TDMA+CSMA-CA, the communication method is half-duplex, the modulation method is GFSK, the wireless communication rate is 10Kbps, the frequency range is 470MHz-510MHz, the receiving sensitivity is about -115dbm, and the modulation frequency offset 25KHz±5KHz.
请参阅图1及图2，本实用新型微功率无线通信单元包括主模块以及从模块，主模块用于与主站通信，从模块用于与用户终端(电能表)进行通信，所述主模块包括路由板以及射频板，所述路由板接收并解调来自主站的信号并产生相应的信号给射频板，所述射频板根据路由板的信号发射相应的无线信号给从模块，所述从模块根据射频板发出的信号对用户电能表进行数据采集并回传给射频板，射频板将采集的数据传输给路由板，并最终传送给主站，实现远程自动抄表，进而实现对电力用户的用电信息的自动实时采集、分析、处理及实时监控等。Please refer to Fig. 1 and Fig. 2, the utility model micropower wireless communication unit comprises master module and slave module, and master module is used for communicating with master station, and slave module is used for communicating with user terminal (electric energy meter), and described master module It includes a routing board and a radio frequency board. The routing board receives and demodulates signals from the master station and generates corresponding signals to the radio frequency board. The radio frequency board transmits corresponding wireless signals to the slave module according to the signals of the routing board. The slave module According to the signal sent by the radio frequency board, the module collects data from the electric energy meter of the user and sends it back to the radio frequency board. Automatic real-time collection, analysis, processing and real-time monitoring of electricity consumption information.
具体地，如图1所示，所述路由板包括主控MCU，与主控MCU连接的电源控制及存储器，所述射频板包括协控MCU，连接于协控MCU上的指示灯以及主模块无线收发器，所述主控MCU具有与主站进行通信的主模块接口，所述协控MCU与主控MCU连接，根据主控MCU的信号作动。请参阅图2，所述从模块包括电源控制、连接于电源控制上的MCU、与MCU连接的从模块无线收发器、指示灯以及从模块接口，所述从模块接口用于与用户电能表进行连接，所述从模块无线收发器与主模块无线收发器相配合，接收射频板的主模块无线收发器的无线信号或发射无线信号给射频板的主模块无线收发器，从而实现主模块与从模块的无线数据通信。Specifically, as shown in Figure 1, the routing board includes a main control MCU, a power supply control and a memory connected to the main control MCU, and the radio frequency board includes a cooperative control MCU, an indicator light and a main module connected to the cooperative control MCU The wireless transceiver, the main control MCU has a main module interface for communicating with the main station, the co-control MCU is connected to the main control MCU, and operates according to the signal of the main control MCU. Please refer to Fig. 2, described slave module comprises power control, the MCU that is connected on the power control, the slave module wireless transceiver that is connected with MCU, indicator lamp and slave module interface, described slave module interface is used for carrying out with user electric energy meter connection, the slave module wireless transceiver cooperates with the master module wireless transceiver, receives the wireless signal of the master module wireless transceiver of the radio frequency board or transmits the wireless signal to the master module wireless transceiver of the radio frequency board, thereby realizing the master module and the slave module for wireless data communication.
本实用新型微功率无线通信单元在微功率无线点对点通信基础上，增加组网协议栈，实现自组网，当主站下达抄表指令时，所述主模块的主控MCU通过主模块接口接收主站的指令，优选地在所述主模块与主站之间通过集中器进行数据传输，集中器可以与多个主模块进行数据通信，从而集中管理一定区域内的多个电能表的数据采集、处理、通信、及管理。所述集中器可以微功率无线方式与主模块进行数据通讯，并通过GPRS、CDMA、电话MODEM等方式与主站进行数据通信。The micro-power wireless communication unit of the utility model adds a networking protocol stack on the basis of micro-power wireless point-to-point communication to realize an ad hoc network. When the master station issues a meter reading command, the master control MCU of the master module receives the Instructions from the master station, preferably between the master module and the master station for data transmission through a concentrator, the concentrator can communicate with multiple master modules, thereby centrally managing the data collection of multiple electric energy meters in a certain area , processing, communication, and management. The concentrator can carry out data communication with the main module in a micro-power wireless manner, and carry out data communication with the main station through GPRS, CDMA, telephone MODEM and other methods.
所述主模块的主控MCU解调主站的指令并给予相应的指令至协控MCU，协控MCU解调主控MCU的指令并产生相应的信号给主模块无线收发器，主模块无线收发器则相应地发出无线信号，所述从模块无线收发器接收主模块无线收发器的信号并产生相应的信号给从模块的MCU，MCU则根据信号通过从模块接口对用户电能表进行数据读取，并产生相应的信号给从模块无线收发器，由此从模块无线收发器发出相应的无线信号，主模块无线收发器接收从模块无线收发器的无线信号并与相应的信号给协控MCU，协控MCU据此产生相应的信号给主控MCU，主控MCU则根据协控MCU的信号进行调制并通过主模块接口上传信号给集中器，最终由集中器将用户电能表数据信息反馈至主站，完成无线抄表，在此过程中，所述主模块的存储器可以对数据进行暂存，其可以是FLASH或E2PROM，所述主模块的射频板的指示灯以及从模块的指示灯可以显示设备的状态，其可以是LED指示灯。The main control MCU of the main module demodulates the instructions of the main station and gives corresponding instructions to the cooperative control MCU, and the cooperative control MCU demodulates the instructions of the main control MCU and generates corresponding signals to the main module wireless transceiver, and the main module wirelessly transmits and receives The transmitter sends a wireless signal correspondingly, and the wireless transceiver of the slave module receives the signal of the wireless transceiver of the master module and generates a corresponding signal to the MCU of the slave module, and the MCU reads the data of the user electric energy meter through the interface of the slave module according to the signal , and generate the corresponding signal to the wireless transceiver of the slave module, so that the wireless transceiver of the slave module sends a corresponding wireless signal, the wireless transceiver of the master module receives the wireless signal of the wireless transceiver of the slave module and sends the corresponding signal to the cooperative control MCU, The cooperative control MCU generates corresponding signals to the main control MCU, and the main control MCU modulates according to the signal of the cooperative control MCU and uploads the signal to the concentrator through the interface of the main module. Finally, the concentrator feeds back the data information of the user electric energy meter to the main control station, complete wireless meter reading, in this process, the memory of the master module can temporarily store the data, which can be FLASH or E2PROM , the indicator light of the radio frequency board of the master module and the indicator light of the slave module The status of the device may be displayed, which may be an LED indicator.
本实用新型微功率无线通信单元通过微功率无线自组网，形成超稳定的网状网络构形，适应各种复杂、多变的现场环境，而且完全改变传统的人工抄表方式，不仅节省人力，而且能实现数据的实时采集、统计、分析，形成准确的用电量需求分布，对供电系统优化提供参考。The micro-power wireless communication unit of the utility model forms an ultra-stable mesh network configuration through a micro-power wireless ad-hoc network, adapts to various complex and changeable field environments, and completely changes the traditional manual meter reading method, which not only saves manpower , and can realize real-time collection, statistics, and analysis of data, form an accurate power consumption demand distribution, and provide reference for power supply system optimization.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103559785A (en) * | 2013-11-14 | 2014-02-05 | 西安亮丽仪器仪表有限责任公司 | Automatic meter reading method by using micropower wireless module |
| CN105357729A (en) * | 2015-09-25 | 2016-02-24 | 北京杰睿中恒科技有限公司 | Electric meter collective reading system and method based on JRoute micropower wireless ad hoc network |
| CN105517032A (en) * | 2015-12-30 | 2016-04-20 | 宁波三星医疗电气股份有限公司 | Micropower wireless communication module networking test method |
| CN110430227A (en) * | 2019-05-06 | 2019-11-08 | 北京智芯微电子科技有限公司 | Micropower protocol stack system based on contiki operating system kernel |
| CN115276718A (en) * | 2022-07-31 | 2022-11-01 | 贵州电网有限责任公司 | A multimode single network power communication system and communication method thereof |
| CN117765710A (en) * | 2024-01-04 | 2024-03-26 | 珠海中慧微电子有限公司 | A power self-adjusting wireless meter reading module and its working method and storage medium |
-
2013
- 2013-02-04 CN CN201320066912XU patent/CN203119888U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103559785A (en) * | 2013-11-14 | 2014-02-05 | 西安亮丽仪器仪表有限责任公司 | Automatic meter reading method by using micropower wireless module |
| CN105357729A (en) * | 2015-09-25 | 2016-02-24 | 北京杰睿中恒科技有限公司 | Electric meter collective reading system and method based on JRoute micropower wireless ad hoc network |
| CN105357729B (en) * | 2015-09-25 | 2018-12-04 | 北京杰睿中恒科技有限公司 | A kind of electric meter data collecting system and method based on JRoute micropower wireless self-networking |
| CN105517032A (en) * | 2015-12-30 | 2016-04-20 | 宁波三星医疗电气股份有限公司 | Micropower wireless communication module networking test method |
| CN110430227A (en) * | 2019-05-06 | 2019-11-08 | 北京智芯微电子科技有限公司 | Micropower protocol stack system based on contiki operating system kernel |
| CN110430227B (en) * | 2019-05-06 | 2022-04-12 | 北京智芯微电子科技有限公司 | Micropower protocol stack system based on contiki operating system kernel |
| CN115276718A (en) * | 2022-07-31 | 2022-11-01 | 贵州电网有限责任公司 | A multimode single network power communication system and communication method thereof |
| CN117765710A (en) * | 2024-01-04 | 2024-03-26 | 珠海中慧微电子有限公司 | A power self-adjusting wireless meter reading module and its working method and storage medium |
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