CN116939896A - 230MHz remote communication module and method suitable for intelligent energy unit - Google Patents
230MHz remote communication module and method suitable for intelligent energy unit Download PDFInfo
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Abstract
The utility model provides a 230MHz remote communication module suitable for wisdom energy unit sets up between wisdom energy unit and burden accuse system main website, including power supply unit, baseband processing unit, radio frequency processing unit and interface unit, carry out power supply processing through power supply unit, and power supply is carried out for other units of module, carry out EPDT baseband processing through baseband processing unit, interact with wisdom energy unit through interface unit, interact with burden accuse system main website through radio frequency processing unit, radio frequency processing unit carries out radio frequency processing to the signal based on 230MHz, the signal after the processing is sent to private network basic station through the antenna, transmission to burden accuse system main website. The application is an embedded module, which is convenient for product maintenance and field application installation through unified interfaces and standardized design, and is typically applied to load control commands such as switch turn-off, voltage adjustment, power adjustment and the like transmitted from a private network for load resource management such as load control, adjustment and the like.
Description
Technical Field
The application belongs to the technical field of power load management systems, and particularly relates to a 230MHz remote communication module and method suitable for intelligent energy units.
Background
The novel power system needs real-time aggregation and efficient processing of all-link mass data, and has higher requirements on data acquisition, transmission, storage and utilization, and particularly has the advantages of wide multi-surface mass load management terminal points, complex application scene, different control strategies and fuzzy protection boundaries of different information safety partitions.
The current load management communication channel is separately and dispersedly built, mainly adopts 230MHz wireless private network and 4G wireless public network technology, the coverage rate of network terminals exceeds 90%, and a small number of clients also build the optical fiber channel, so that the load monitoring and control are supported to a certain extent. But aiming at control type services, the cost is higher by relying on an electric power wireless private network and an optical fiber private network, networking interaction protocol is old by relying on a 230M data transmission platform, communication bandwidth is limited, networking reliability is insufficient, and 5G public network security is required to be verified. Aiming at the collection service, the communication system is difficult to meet the requirements of the accuracy and timeliness of the novel power load management system after the collection frequency is improved. The load management terminal has complex and various access requirement scenes, and poor communication coverage of high-rise buildings and basements, so that the subdivision monitoring capability of adjustable loads and interruptible loads is insufficient, coordination among different loads is lacking, timeliness is poor, and the existing network coverage and service quality cannot meet the requirements of multi-time scale, regional and hierarchical requirement response, ordered electricity utilization and accurate load control service. In addition, because the safety protection capability of the terminal communication network is insufficient, effective isolation of control instructions cannot be achieved, and the reliability is poor. The load side has multiple networking modes and multiple communication protocols, lacks a unified monitoring tool for a load management terminal and a communication network, and cannot realize the visibility, observability and controllability of terminal equipment and network states.
The novel bidirectional interaction of the power load management system mainly has the following problems:
(1) The problem of dispersibility of multiple domains, the decentralized construction causes communication to cross two levels of end edges/network clouds and two areas of public networks/private networks, and an effective and reliable communication architecture needs to be provided.
(2) The reliability of interaction is poor, network coverage blind areas are more, real-time reliability of scheduling control instructions is poor, and reliable communication means and a service quality guarantee mechanism are lacked.
(3) The access safety problem is that the open communication networks such as 4G/5G public network, wireless ad hoc network and the like cannot resist network attacks such as brute force cracking, man in the middle and the like, and the access authentication and the safety protection of the terminal are to be enhanced.
(4) The problem of high efficiency of management and control is that the bearing relation between the service and the network resource is complex, a plurality of networking modes and a plurality of communication protocols coexist, and the network agility and the quality are difficult to ensure.
Therefore, there is a need to develop technical researches such as multi-element multi-domain communication architecture, flexible networking seamless coverage, low-cost safety access of terminals, network monitoring management and control, etc., to improve real-time performance and reliability of large-scale, multi-main-body and multi-type load management, to realize unified monitoring of mass load management terminals and heterogeneous communication networks, and to improve load accurate control capability, flexible interaction capability and safety guarantee capability.
The power load management system adopts wireless, wired, carrier wave and other communication modes, and a power supply company power load management system master station monitors and controls the electric energy use condition of a certain area or a client through a power load management terminal arranged at a client, and analyzes and applies the acquired data. The system comprises a terminal, a receiving and transmitting device, a channel, a master station software and hardware device, a database formed by the terminal, the receiving and transmitting device, the channel, the master station software and hardware device, a document and the like.
The intelligent energy unit is a key device of a novel negative control system. The intelligent energy unit is an edge computing device for supporting a load management system to realize accurate load adjustment and improving the customer energy level. The method has the advantages that the design concept of miniaturization, distribution and modularity is adopted, the method extends to the interior of a client, the effective differentiated management of important loads of the client is realized, and the guarantee and the interactivity are strong. The software and hardware are configured according to the requirement, so that load minute level monitoring, rigidity control, flexible adjustment, electric power metering, friendly interaction and support load fine management and diversified interaction service are realized. The control type (A type) and the regulation type (B type) are classified according to the regulation mode. The monitoring control type supports power wireless private network and power optical fiber private network communication, and has shunt monitoring and rigidity control capabilities. The monitoring and adjusting type wireless virtual private network and wireless private network communication are supported, and the monitoring and adjusting type wireless private network communication system is suitable for shunt monitoring, flexible adjustment and interactive service.
Disclosure of Invention
Aiming at the problems in the prior art, the application provides the 230MHz remote communication module and the method which are suitable for the intelligent energy unit, and the 230MHz remote communication module is subjected to embedded modification, so that a service terminal and the communication module are integrated and become a product as a whole instead of two independent devices, unified asset management is facilitated, field deployment of users is facilitated, later-stage field operation and maintenance are facilitated, and the power supply and the communication interface of a public terminal are better in economical efficiency through standardized design of an embedded scheme.
In order to achieve the above purpose, the present application has the following technical scheme:
in a first aspect, a 230MHz remote communication module suitable for an intelligent energy unit is provided, which is disposed between the intelligent energy unit and a master station of a negative control system, and includes a power supply unit, a baseband processing unit, a radio frequency processing unit and an interface unit, where the power supply unit performs power supply processing and supplies power to other units of the module, the baseband processing unit performs EPDT baseband processing, the interface unit interacts with the intelligent energy unit, and interacts with the master station of the negative control system, the radio frequency processing unit performs radio frequency processing on signals based on 230MHz, and the processed signals are sent to a private network base station through an antenna and transmitted to the master station of the negative control system.
Preferably, the interface unit includes a first side interface and a second side interface, wherein the first side interface is connected with a main control module of the intelligent energy unit, and the second side interface is connected with other modules of the intelligent energy unit.
Preferably, the other modules of the intelligent energy unit comprise a remote control module, a telemetry module and a local communication module;
the remote control module executes remote control instruction processing and downwardly controls the circuit breaker and the switch equipment;
the remote measuring module is used for executing data acquisition of the negative control system;
and the local communication module is used for executing interaction between the intelligent energy unit and the switch and measurement unit.
Preferably, the first side interface adopts 2×11 double rows of sockets, and the interface is defined in the following table:
preferably, the second side interface adopts a 2×11 double-row female socket, and the interface is defined in the following table:
preferably, the 230MHz remote communication module suitable for the smart energy unit is further provided with a signal indicator lamp, the signal indicator lamp includes a running lamp and a communication lamp:
the running lamp is used for indicating the running state of the module, the green lamp is powered on normally, and the lamp is turned on and off alternately to indicate that the module works normally;
the communication lamp is red and green, red light flash indicates that the uplink channel receives data, and green light flash indicates that the uplink channel transmits data.
In a second aspect, a communication method based on the 230MHz remote communication module adapted for a smart energy unit is provided, comprising:
receiving data: the intelligent energy unit or the master station of the negative control system sends an EPDT data protocol starting request to the 230MHz remote communication module, feeds back request confirmation information, enters an EPDT transmission mode, and if no request exists, defaults to enter a transparent transmission mode for transmission;
transmitting data: the 230MHz remote communication module sends an EPDT data protocol starting request to the intelligent energy source unit or the master station of the negative control system, the 230MHz remote communication module judges whether acknowledgement information is received or not, if the 230MHz remote communication module receives the acknowledgement information, the 230MHz remote communication module enters an EPDT transmission mode, and if the 230MHz remote communication module does not receive the acknowledgement information, the 230MHz remote communication module enters a transparent transmission mode for transmission.
Preferably, in the EPDT transmission mode, the 230MHz remote communication module processes the AT command, when sending the AT command, starts with two characters of the AT, and a and T occur simultaneously;
after entering the EPDT transmission mode, the data transmission is briefly described as:
AT+CDATA＝<CRC>,<Total Length>,<Offset>,<Data Length>,<Data><cr><lf>；
and transmitting data length information every time, and distributing the number of the EPDT frames according to the data length, or transmitting the data length information to a base station, a master station or an intelligent energy source unit.
Preferably, only the protocol of the smart energy unit and the 230MHz remote communication module is adapted after entering the EPDT transmission mode.
Preferably, in the transparent transmission mode, setting waiting time, and considering that transmission is finished if new data does not exist in the waiting time;
the 230MHz remote communication module assembles a frame format according to an EPDT protocol, sends the frame format to a base station, and then transmits the frame format to a switching center, and the switching center unpacks data according to the EPDT protocol to obtain original data and transmits the original data to a master station.
Compared with the prior art, the first aspect of the application has at least the following beneficial effects:
the communication between the negative control master station and the negative control terminal is realized in various modes such as a public network 4/5G, a power optical fiber private network, a 230M data transmission radio private network, a 230MHz wireless private network, a 1.8GHz wireless private network and the like. However, the intelligent energy unit embedded communication module is mainly a 4G module, and other modes such as 230MHz data transmission station and the like are applied based on the type of CPE terminal. The 230MHz remote communication module suitable for the intelligent energy unit is integrated with the main control module of the intelligent energy unit by utilizing the interface unit, and is powered by a single power supply, so that a unified power interface and a unified communication interface are defined. The 230MHz remote communication module designed by the application is used for load control service, adopts an EPDT mode, and the user side negative control terminal is an intelligent energy unit.
It will be appreciated that the advantages of the second aspect may be found in the relevant description of the first aspect, and will not be described in detail herein.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a 230MHz telecommunications module adapted for use with intelligent energy units.
Fig. 2 is a schematic diagram of the structure of a conventional 230MHz communication terminal for the negative control service.
Fig. 3 is a schematic structural diagram of a 230MHz communication module of the optimized load control service of the present application.
FIG. 4 is a schematic diagram of the present application in the intelligent energy unit module configuration.
FIG. 5 is a schematic diagram of the structural relationship between the intelligent energy unit and the master station of the negative control system.
FIG. 6 is a flow chart of interaction with an intelligent energy unit when the communication method of the embodiment of the application receives data.
FIG. 7 is a flow chart of interaction with a master station of a negative control system when a communication method of an embodiment of the application receives data.
FIG. 8 is a flow chart of a method of communicating data in accordance with an embodiment of the present application.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system configurations, techniques, etc. in order to provide a thorough understanding of embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
Furthermore, the terms "first," "second," "third," and the like in the description of the present specification and in the appended claims, are used for distinguishing between descriptions and not necessarily for indicating or implying a relative importance.
The application is applicable to a 230MHz remote communication module of an intelligent energy unit, which is arranged between the intelligent energy unit and a master station of a negative control system. As shown in fig. 5, the communication distance between the master station of the negative control system and the intelligent energy unit is generally long, the master station of the negative control system is located in the electric power machine room, and the intelligent energy unit is installed in the user field power distribution machine room. A master station of the negative control system interacts with a plurality of intelligent energy units, and a plurality of measuring units interact with one intelligent energy unit.
Referring to fig. 1, the 230MHz remote communication module for intelligent energy unit of the present application comprises a power supply unit 1, a baseband processing unit 2, a radio frequency processing unit 3 and an interface unit 4:
baseband processing unit 2: the EPDT baseband processing is a core control processing module of the remote communication module, and interacts with the intelligent energy unit through the interface unit 4 and interacts with the negative control master station through the radio frequency processing unit 3.
Radio frequency processing unit 3: and carrying out radio frequency processing based on 230MHz, carrying out power amplification, modulation and the like, and transmitting the processed signals to a private network base station through an antenna and transmitting the processed signals to a master station of a negative control system.
Interface unit 4: the interface processing of the adjacent modules is completed, the intelligent energy unit bus design is met, normal interaction between the remote communication module and the intelligent energy unit through the interface unit 4 is ensured, and meanwhile, the reliable connection of the next-stage module interface is ensured.
Power supply unit 1: and the power supply processing of the adjacent modules is finished, other units of the 230MHz remote communication module are powered, and meanwhile, the reliable power supply of the next-stage module is ensured.
Further, the interface unit 4 of the present application includes a first side interface and a second side interface, wherein the first side interface is connected to the main control module of the intelligent energy unit, and the second side interface is connected to other modules of the intelligent energy unit.
As shown in fig. 4, other modules of the smart energy unit include a remote control module, a telemetry module, and a local communication module;
the remote control module executes remote control instruction processing and downwardly controls equipment such as a breaker, a switch and the like;
the remote measuring module is used for executing data acquisition of the negative control system;
and the local communication module is used for executing interaction of the intelligent energy unit, the switch, the measuring unit and the like.
In this embodiment, the first side interface uses 2×11 double rows of sockets with a size of 2.54mm, and the interface is defined in the following table:
in this embodiment, the second side interface uses 2×11 double rows of sockets with a size of 2.54mm, and the interface is defined in the following table:
in one possible embodiment, the application is applicable to a 230MHz telecommunications module of a smart energy unit, further provided with signal lights including running lights and communication lights:
the running lamp is used for indicating the running state of the module, the green lamp is powered on normally, and the lamp is turned on and off alternately to indicate that the module works normally;
the communication lamp is red and green, red light flash indicates that the uplink channel receives data, and green light flash indicates that the uplink channel transmits data.
Since EPDT is a half duplex mode and fixed in frame length, in order to adapt to the current data transmission mode, it is necessary to know interface service data characteristics, such as common data length, frame header and frame end information, data frequency protocol format, protocol parameters (timing, timeout, retransmission), and the like. However, the traditional 4G mode is a standard transparent transmission mode, the intelligent energy unit does not need to consider the receiving and forwarding adaptation problem of the communication module, and two solution ideas are provided for the current situation:
a set of private protocols are defined between the intelligent energy unit and the communication module and used for coordinating the adaptive data, and the scheme needs the intelligent energy unit and the master station to adapt to the transmission protocols. The reliability is high;
and secondly, defining a data processing flow in the communication module, receiving no data in a set time, and starting packet uploading after the data transmission is considered to be finished.
Based on the above requirements, the embodiment of the application is based on the communication method of the 230MHz remote communication module applicable to intelligent energy units, which can meet the requirements of various condition applications, and comprises the following steps:
referring to fig. 6 and 7, data is received:
the intelligent energy unit or the master station of the negative control system sends an EPDT data protocol starting request to the 230MHz remote communication module, feeds back request confirmation information, enters an EPDT transmission mode, and if no request exists, defaults to enter a transparent transmission mode for transmission;
referring to fig. 8, data is transmitted: the 230MHz remote communication module sends an EPDT data protocol starting request to the intelligent energy source unit or the master station of the negative control system, the 230MHz remote communication module judges whether acknowledgement information is received or not, if the 230MHz remote communication module receives the acknowledgement information, the 230MHz remote communication module enters an EPDT transmission mode, and if the 230MHz remote communication module does not receive the acknowledgement information, the 230MHz remote communication module enters a transparent transmission mode for transmission.
In one possible implementation, in the EPDT transmission mode, the 230MHz remote communication module processes the AT command, starts with AT two characters when the AT command is sent, and a and T occur simultaneously;
after entering the EPDT transmission mode, the data transmission is briefly described as:
AT+CDATA＝<CRC>,<Total Length>,<Offset>,<Data Length>,<Data><cr><lf>；
and transmitting data length information every time, and distributing the number of the EPDT frames according to the data length, or transmitting the data length information to a base station, a master station or an intelligent energy source unit.
After entering the EPDT transmission mode, the protocols of the smart energy unit and the 230MHz remote communication module may be adapted only. And the EPDT base station and the core network process the data and only interact the transparent transmission data with the master station. In the mode, the negative control master station is not required to be adapted, and the base station and the core network are required to be adapted. Because the base station and the core network are EPDT network devices, the adaptation difficulty is low, and therefore, only the adaptation of the intelligent energy unit and the 230MHz remote communication module is required to be completed.
In a possible implementation manner, in a transparent transmission mode, referring to an existing communication module working mode, receiving data for transparent transmission, setting waiting time for guaranteeing reliable data transmission, and considering that transmission is finished if new data is not available in the waiting time; the 230MHz remote communication module assembles a frame format according to an EPDT protocol, sends the frame format to a base station, and then transmits the frame format to a switching center, and the switching center unpacks data according to the EPDT protocol to obtain original data and transmits the original data to a master station.
The communication between the negative control master station and the negative control terminal is realized in various modes such as a public network 4/5G, a power optical fiber private network, a 230M data transmission radio private network, a 230MHz wireless private network, a 1.8GHz wireless private network and the like. However, the intelligent energy unit embedded communication module is mainly a 4G module, other modes such as a 230MHz data transmission radio station and the like are based on the type of CPE terminal.
The application is applied to the communication support of the novel negative control system, and the negative control service can be divided into control service and acquisition internal service. The control business needs private network communication, emphasizes safety and reliability, and is applicable to the intelligent energy unit by using the 230MHz remote communication module of the intelligent energy unit. Typical applications such as switch turn-off, voltage regulation, power etc. load control commands are transmitted from private networks for load control, regulation etc. load resource management.
The application provides a framework and an internal connection relation of a 230MHz remote communication module suitable for an intelligent energy unit. The embedded module is convenient for field application installation and debugging. Aiming at the communication interaction problem of a master station, a terminal and a 230MHz embedded module, a processing method based on a private protocol is provided, a set of new interaction protocol is defined on the original protocol, and the master station and the terminal ensure reliable transmission of service data after protocol adaptation. Based on the framework, the processing method compatible with the multiple modes is provided, and when the master station and the terminal do not do protocol adaptation, the processing method can work normally, and is convenient for adapting and maintaining modules and terminal products.
Referring to fig. 2 and 3, a current 230MHz communication module for load control service adopts a data transmission station mode, and a data transmission module accessed by a user side load control terminal adopts a CPE mode and is connected with each other through a network cable or 485.
The 230MHz communication module for load control service adopts an EPDT mode, and a user side negative control terminal is an intelligent energy unit. Through the embedded transformation to 230MHz communication module for business terminal and communication module integration become a product on the whole, but not independent two equipment, make things convenient for unified asset management. The method is more beneficial to the field deployment and the later field operation and maintenance of users. The embedded scheme standardized design and the public terminal power supply and communication interface are realized, and the economy is better.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present application and not for limiting the same, and although the present application has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the application without departing from the spirit and scope of the application, which is intended to be covered by the claims.
Claims (10)
1. 230MHz remote communication module suitable for wisdom energy unit, its characterized in that: the intelligent power supply system is arranged between an intelligent energy unit and a main station of a negative control system and comprises a power supply unit (1), a baseband processing unit (2), a radio frequency processing unit (3) and an interface unit (4), wherein the power supply unit (1) is used for performing power supply to other units of a module, the baseband processing unit (2) is used for performing EPDT baseband processing, the interface unit (4) is used for interacting with the intelligent energy unit, the radio frequency processing unit (3) is used for interacting with the main station of the negative control system, the radio frequency processing unit (3) is used for performing radio frequency processing on signals based on 230MHz, and the processed signals are sent to a private network base station through an antenna and transmitted to the main station of the negative control system.
2. 230MHz telecommunications module suitable for use in smart energy units according to claim 1, characterized in that: the interface unit (4) comprises a first side interface and a second side interface, wherein the first side interface is connected with a main control module of the intelligent energy unit, and the second side interface is connected with other modules of the intelligent energy unit.
3. 230MHz telecommunications module suitable for use in smart energy units according to claim 2, characterized in that: the other modules of the intelligent energy unit comprise a remote control module, a telemetry module and a local communication module;
the remote control module executes remote control instruction processing and downwardly controls the circuit breaker and the switch equipment;
the remote measuring module is used for executing data acquisition of the negative control system;
and the local communication module is used for executing interaction between the intelligent energy unit and the switch and measurement unit.
4. The 230MHz telecommunications module for use in a smart energy unit of claim 2 wherein said first side interface is a 2 x 11 double row female interface defined by the following table:
5. the 230MHz telecommunications module for use in a smart energy unit of claim 2 wherein the second side interface employs a 2 x 11 double row female socket, the interface being defined as follows:
6. 230MHz remote communication module suitable for smart energy units according to claim 1, characterized in that it is also provided with signal indication lamps, including running lamps and communication lamps:
the running lamp is used for indicating the running state of the module, the green lamp is powered on normally, and the lamp is turned on and off alternately to indicate that the module works normally;
the communication lamp is red and green, red light flash indicates that the uplink channel receives data, and green light flash indicates that the uplink channel transmits data.
7. A communication method based on the 230MHz telecommunication module adapted for a smart energy unit according to any one of claims 1 to 6, characterized in that it comprises:
receiving data: the intelligent energy unit or the master station of the negative control system sends an EPDT data protocol starting request to the 230MHz remote communication module, feeds back request confirmation information, enters an EPDT transmission mode, and if no request exists, defaults to enter a transparent transmission mode for transmission;
transmitting data: the 230MHz remote communication module sends an EPDT data protocol starting request to the intelligent energy source unit or the master station of the negative control system, the 230MHz remote communication module judges whether acknowledgement information is received or not, if the 230MHz remote communication module receives the acknowledgement information, the 230MHz remote communication module enters an EPDT transmission mode, and if the 230MHz remote communication module does not receive the acknowledgement information, the 230MHz remote communication module enters a transparent transmission mode for transmission.
8. The communication method of claim 7, wherein in the EPDT transmission mode, the 230MHz remote communication module processes the AT command, transmits the AT command starting with AT two characters, and a and T occur simultaneously;
after entering the EPDT transmission mode, the data transmission is briefly described as:
AT+CDATA＝<CRC>,<Total Length>,<Offset>,<Data Length>,<Data><cr><lf>；
and transmitting data length information every time, and distributing the number of the EPDT frames according to the data length, or transmitting the data length information to a base station, a master station or an intelligent energy source unit.
9. The communication method of claim 7, wherein only the protocols of the smart energy unit and the 230MHz remote communication module are adapted after the EPDT transmission mode is entered.
10. The communication method according to claim 7, wherein in the transparent transmission mode, a waiting time is set, and when no new data exists in the waiting time, the transmission is considered to be ended;
the 230MHz remote communication module assembles a frame format according to an EPDT protocol, sends the frame format to a base station, and then transmits the frame format to a switching center, and the switching center unpacks data according to the EPDT protocol to obtain original data and transmits the original data to a master station.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117749698A (en) * | 2024-02-21 | 2024-03-22 | 中国电力科学研究院有限公司 | EPDT fusion module, communication system, route planning method and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117749698A (en) * | 2024-02-21 | 2024-03-22 | 中国电力科学研究院有限公司 | EPDT fusion module, communication system, route planning method and device |
| CN117749698B (en) * | 2024-02-21 | 2024-06-07 | 中国电力科学研究院有限公司 | EPDT fusion module, communication system, route planning method and device |
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