CN211089130U - Intelligent orderly power utilization system - Google Patents
Intelligent orderly power utilization system Download PDFInfo
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- CN211089130U CN211089130U CN201921557696.2U CN201921557696U CN211089130U CN 211089130 U CN211089130 U CN 211089130U CN 201921557696 U CN201921557696 U CN 201921557696U CN 211089130 U CN211089130 U CN 211089130U
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Abstract
The utility model discloses an orderly power consumption system of intelligence, it includes: the intelligent electric meter sends the collected user electricity utilization information to the repeater, and the repeater forwards the electricity utilization information to the main station analysis system for communication connection; the master station analysis system comprises a receiver, a singlechip written with a user ordered power utilization linear programming program, a communication unit and a power supply; the receiver is used for receiving user power utilization information and inputting the user power utilization information to the single chip microcomputer; the singlechip written with the user ordered power utilization linear programming program is used for sending the output result of the user ordered power utilization linear programming program to the user mobile terminal through the communication unit. The utility model provides a technical scheme assembles several kinds of subassemblies and constitutes one kind and can reach the reinforcement power consumption management, changes user power consumption mode, avoids not having the plan switch-off limit of electricity, and the purpose of the orderly power consumption of adverse effect that seasonal, period nature electric power supply and demand contradiction brought for society and enterprise is reduced to standard power consumption order.
Description
Technical Field
The utility model relates to an electric power system automation field, concretely relates to orderly power consumption system of intelligence.
Background
With the rapid development of national economy, the proportion and the importance of electric energy in social life are continuously improved, intelligent and orderly power utilization refers to that power utilization management is strengthened, the power utilization mode of a user is changed, a series of measures such as peak staggering, peak avoiding, alternate break, power giving, negative control, power limiting and the like are taken through means such as laws, administration, economy, technology and the like, the unplanned brake pulling power limiting is avoided, the power utilization order is standardized, and the adverse effects brought to the society and enterprises by seasonal and periodic power supply and demand contradictions are reduced to the minimum degree.
The intelligent and orderly power utilization is guided and promoted by various governments and related government departments, and the enthusiasm of power supply enterprises and power users is fully mobilized, participated and matched together. Under the condition of unbalanced power supply and demand, the power is not pulled on by insisting on power limitation, so that the electricity utilization of citizens is not influenced, the production needs of key enterprises are ensured, and the normal and orderly operation of urban production and life is ensured. The aim of orderly power utilization is mainly focused on the change of electric power and electric quantity, on one hand, measures are taken to reduce the electric power demand of the power grid in the peak load period or increase the electric power demand of the power grid in the valley period, and the electric power supply and demand balance of the system is achieved with less newly increased installed capacity; on the other hand, measures are taken to save or increase the power generation amount of the power system, and the consumption of the total social resources is saved while the same energy service is met.
The intelligent electric meter provides support on terminal equipment for realizing ordered power consumption, is an intelligent terminal of an intelligent power grid, has intelligent functions such as bidirectional multi-rate metering function, user side control function, bidirectional data communication function of multiple data transmission modes, electricity larceny prevention function and the like in order to adapt to the use of the intelligent power grid and new energy besides the metering function of basic power consumption of the traditional electric energy meter, and represents the development direction of an intelligent terminal of a future energy-saving intelligent power grid end user.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's needs, provide an orderly power consumption system of intelligence based on user information gathers to reach the enhancement power consumption management, change user power consumption mode, avoid unplanned switching-off limit for electricity, standardize the power consumption order, reduce seasonal, period nature electric power supply and demand contradiction for the purpose of the orderly power consumption of the adverse effect that society and enterprise brought.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
in an intelligent, orderly power utility system, the improvement comprising: the system comprises an intelligent ammeter, a repeater, a main station analysis system and a user mobile terminal;
the intelligent electric meter sends the collected user electricity utilization information to the repeater, and the repeater forwards the electricity utilization information to the main station analysis system for communication connection;
the master station analysis system comprises a receiver, a singlechip written with a user ordered power utilization linear programming program, a communication unit and a power supply;
the receiver is used for receiving user power utilization information and inputting the user power utilization information to the single chip microcomputer;
the singlechip written with the user ordered power utilization linear programming program is used for sending the output result of the user ordered power utilization linear programming program to the user mobile terminal through the communication unit.
The intelligent electric meter sends the collected user electricity utilization information to the repeater through the RS485 bus.
Wherein the transponder is located on a tower.
The user mobile terminal is a mobile phone or a tablet computer.
The communication unit communicates with the user mobile terminal through Bluetooth, 3G/4G or WIFI communication.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
1. the utility model discloses a transponder can alternate intelligent electric meter and main website information exchange's communication protocol and channel mode, becomes the RS485 channel with power line carrier communication channel to solve the complicated structure problem that the circuit erect.
2. The utility model discloses a SoC mainboard compares in traditional repeater as the repeater core, and its IP module that can be customized can realize stronger information interaction function.
3. The utility model is suitable for a low pressure user and big user's information acquisition and the needs of instructing orderly power consumption, for user's power consumption mode proposes guiding suggestion, adopt the user to remove the end and receive orderly power consumption and instruct the suggestion and compare and use modes such as querier and have obvious reduction in equipment cost.
Drawings
FIG. 1 is a system configuration diagram of the present invention;
FIG. 2 is a schematic diagram of a transponder according to the present invention;
FIG. 3 is a diagram showing the structure of the main station analysis system of the present invention;
fig. 4 is the structure diagram of the main station analysis system of the present invention.
Detailed Description
The following describes the present invention in further detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the intelligent orderly power utilization system provided in this embodiment includes: the system comprises low-voltage user and large-user intelligent electric meters, a power utilization data centralized repeater and a main station analysis system; the intelligent electric meter is used for collecting current power utilization data information of various users, the transponder is attached with a data centralizing function and forwards data to the main station, and the main station analysis system obtains an intelligent and orderly power utilization guide suggestion based on the analysis of the forwarded data and sends the intelligent and orderly power utilization guide suggestion to the users.
For low-voltage users, due to the fact that the number of users is large and the wiring of the power distribution network is complex, the RS485 bus is adopted to transmit the electricity utilization data information to the repeater, the power carrier line is not adopted for transmission, the wiring pressure of the power distribution network is reduced, and carrier coupling circuits for modulation/demodulation do not need to be additionally arranged on the two sides of the intelligent electric meter and the repeater.
The problem mainly considered by adopting the RS485 bus is that in the data protocol of UART, RS232 compares with RS 485: the RS232 interface uses a signal line and a signal return line to form a common-ground transmission form, common-ground transmission is easy to generate common-mode interference, and the RS485 interface adopts a combination of a balanced driver and a differential receiver, so that the noise interference resistance is good; the RS232 transmission distance is limited, the standard value of the maximum transmission distance is 50 meters, the standard value of the maximum transmission distance of the RS485 interface is 1200 meters (at 9600 bps), 3000 meters can be achieved in the actual working condition, and the transmission distance is longer; the RS-232 protocol only allows one-to-one communication, and the RS-485 interface allows up to 128 transceivers to be connected on the bus, so that a user can conveniently establish a network by using a single RS-485 interface, and the communication capability is stronger. The RS422 has similar electrical performance with the RS485, but the RS485 bus has the advantage of connecting the RS422 with the terminal equipment in number. Therefore, aiming at the characteristics of numerous low-voltage side user data acquisition nodes and complex power distribution network, an RS485 bus transmission mode is selected to transmit the power utilization data to the repeater.
The repeater is positioned on a power distribution network line tower and has the functions of carrying out centralized integration on power utilization information sent by a low-voltage user through an RS485 bus, demodulating power utilization data of a large user, namely the data sent to the repeater by a power carrier line through a carrier coupling circuit and taking out the data; for instructions such as power limiting and power giving fed back by a master station, firstly, discriminating an instruction action object, feeding back the instruction acting on a low-voltage user to an intelligent ammeter at a user side through an RS485 bus, modulating the instruction acting on a large user into a digital frequency band signal by a carrier coupling circuit, and sending the signal instruction to the intelligent ammeter at the large user through a power carrier line.
As shown in fig. 2, the repeater circuit is implemented by two circuit boards, namely a carrier modulation and demodulation circuit board and a main control board, which are respectively composed of a carrier coupling circuit and a main control circuit. The system on chip (SoC) is a control core of a main control circuit of the repeater and comprises IP modules for realizing various functions of the repeater, wherein a VCI bus is a framework for interconnecting all modules in the whole system, a PowerPC processor is a main core of the main control circuit, and an IP1-DSP is a digital signal processing module; the IP2-ECC (error correcting code) is an error checking and correcting coding module, the ECC is mainly used for improving the reliability of an SoC memory system, can discriminate power utilization information data transmitted from the intelligent electric meter to the repeater, sends an error report to the main station for the intelligent electric meter with error data, detects data fed back bidirectionally by the repeater and prevents the sending of error instructions;
in order to realize the data access function of the repeater, an IP3-DRAM (dynamic random access memory) is a dynamic random access memory and is used for dynamically storing user data, and the repeater is not a centralized storage mechanism of the data, is only used for transferring the data and instructions and does not need to store the power utilization data of the user for a long time, so the DRAM can be matched with a timing instruction of a clock module to carry out timing refreshing; IP4-DMA (direct MemoryAccess) is a direct memory access module, which is mainly used for helping the PowerPC processor to process the transmission operation of some block data; IP5-SRAM (static random access memory) is static random access memory, used to store the relative data and instruction needed by the system on chip application program;
the information interaction between the repeater and the master station is realized through an IP6-GPRS communication module, the repeater is matched with an IP 7-clock module to send data information to the master station at regular time and serve as a receiving unit of feedback information of the master station, the feedback data are transmitted to a DSP module through a VCI bus, and in addition, the clock module provides time reference for a system and is matched with a DRAM to carry out periodic processing on processed user electricity consumption data; because the functions realized by the repeater are the concentration, the inspection, the error correction, the storage and the feedback of digital signals, the GPU and the ISP image processing module for designing image processing are not installed on the SoC mainboard, and the customized IP module function can save the equipment cost and also can improve the core performance of the repeater.
The UART (Universal asynchronous receiver Transmitter/Transmitter) universal asynchronous receiver Transmitter on the main control circuit is used for information interaction between the repeater main control circuit and the carrier modulation and demodulation circuit and the RS485 circuit, the RS485 circuit sends data information to an Rx pin of the UART1, mainboard information feeds an instruction back to the RS485 circuit through the Tx pin, and the UART2 serial port is responsible for receiving/sending the data information/operation instruction of the carrier modulation and demodulation circuit.
The repeater mode of operation is as follows:
1. for low voltage users:
1) after the intelligent ammeter collects the user electricity data information, the data is transmitted to the RS485 circuit through the RS485 bus;
2) an RS485 isolation circuit is arranged between the RS485 circuit and the repeater mainboard and serves as a firewall, so that data packets except the non-electricity-using data are prevented from being transmitted into the repeater, and the access of an external network to the repeater is isolated;
3) the RS485 circuit transmits the electricity utilization data to a repeater mainboard through an Rx pin of a UART1 serial port on the repeater;
4) all parts in the transponder SoC carry out information interaction transmission and matching through a VCI bus;
5) firstly, the electricity utilization data is processed, received and concentrated by the DSP module and then transferred to the ECC module for data checking and error correction, and the number of the intelligent electric meter to which the error data belongs is coded;
6) transferring the data processed by the ECC to a DRAM module for storage, waiting for a transmission instruction of a clock module and a PowerPC, and transmitting the electricity utilization data to a master station through a GPRS module;
7) the clock module is used for cleaning expired data in the DRAM in a timed and PowerPC (personal computer) matched mode;
8) for the master station feedback instruction received by the GPRS module, firstly, the ECC module confirms and checks the instruction, and then, the instruction is sent to an RS485 circuit through a Tx pin of a UART1 serial port;
2. for large users, the electricity data of the large users are transmitted by a power carrier wire, the processing mode of the data in the transponder is the same as that of low-voltage users, and the difference is the modulation/demodulation of the electricity data signals:
1) after collecting user electricity information data, the large-user intelligent electricity meter is modulated into a digital frequency band signal through a carrier coupling circuit and then is sent to a carrier communication module of the repeater through a power carrier line;
2) the digital frequency band signal is converted into a digital baseband signal by a demodulation circuit, and then is transmitted to an Rx pin of a UART2 serial port on a repeater mainboard by a transfer circuit;
3) for the instruction information fed back to the repeater by the master station, the instruction information is sent to a transfer circuit of the carrier communication module by a Tx pin of a UART2 serial port;
4) the instruction information is sent to the modulation circuit by the transfer circuit, and is modulated into a digital frequency band signal, and then the digital frequency band signal is sent to the large-user intelligent ammeter by the carrier coupling circuit through the power carrier line;
5) because the types of information transmitted by the power carrier line are more, the ECC module has better filtering and checking functions on the electricity consumption data information transmitted to the repeater by a large user through the power carrier line.
The repeater cleans and preprocesses the acquired data, and sends the data to a main station for analysis through a GPRS module, wherein the main station analysis system comprises a receiver, a singlechip written with a user ordered power utilization linear programming program, a communication unit and a power supply; the receiver is used for receiving user power utilization information and inputting the user power utilization information to the single chip microcomputer; the singlechip written with the user ordered power utilization linear programming program is used for sending the output result of the user ordered power utilization linear programming program to the user mobile terminal through the communication unit.
Based on the structure, the structure of the main station analysis system in the real application can be as shown in fig. 3, the main functions of the main station analysis system in the intelligent ordered power utilization system based on user information acquisition are to realize the storage and analysis of power utilization information, guide the power utilization mode of a user, give a load control instruction to an intelligent electric meter, and detect the state of the terminal equipment.
The data interface layer is mainly used for carrying out pre-acquisition on data by the cluster front-end processor, the quantity of various data in a distribution network is large, and different front-end processors are adapted to different types of data terminals;
after the front-end processor receives data, the data are transmitted into a master station server through a front-end router to enter a data access layer, and the data received by an interface are low-voltage user electricity utilization data, large user electricity utilization data, station electric quantity remote measurement data, distribution network original data and user electricity purchasing information data;
the data analysis layer analyzes the original message data of various protocols into electric quantity data, telemetering data, alarm data and other data required by the system in a unified format according to respective protocols. Extracting data from the original data interface file, storing the data in a temporary file, analyzing the original data to generate basic service data, and meanwhile, carrying out time warping on the data. The temporary file can be emptied after the processing is successful, so that the data loss is avoided, and meanwhile, the data which cannot be analyzed or have irregular data is stored in the suspended file.
The data processing layer firstly preprocesses data, wherein the preprocessing mainly comprises the steps of marking a data state, ensuring the integrity, the continuity and the correctness of the data, identifying abnormal data and confirming fault tolerance, sending an alarm record to wrong data, and sending a data reissuing instruction to an intelligent electric meter for missing data, and the data processing aims at obtaining a guidance suggestion of intelligent ordered power utilization and an acquisition task scheduling instruction.
The feedback information provided for the user by the orderly power utilization analysis comprises the following steps: the method comprises the following steps that the residual electric quantity (residual electricity charge) of the electric meter, the current electric quantity of the electric meter, the current electricity price, step electricity price information, the current voltage, the current load, the current time of the electric meter, a user load curve and the like are provided, and electricity utilization suggestions such as season peak staggering, day peak staggering, time interval peak staggering and the like are provided for a user according to the information; giving a power consumption alternate suggestion for a large user, and sending a load control power limiting instruction to the intelligent electric meter of the large user who receives the protocol alternate break during the alternate break; giving electricity giving compensation to enterprises agreeing to give electricity in the peak period of electricity utilization; the unplanned switching-off and power limiting are avoided through negative control, power limiting and other modes, the power utilization order is standardized, and the adverse effects brought to the society and enterprises by seasonal and periodic power supply and demand contradictions are reduced to the minimum degree. In addition, information such as maintenance notice, payment notice, power failure notice, electric charge settlement and the like can be sent to the user through the communication channel of the master station.
The data interface layer guides the generated service data, all the service data must be stored in a database server for a user to use and file, the ordered power utilization guidance suggestion of the user is sent to the user side mobile equipment through a GPRS interface, the instructions of load control, power limitation, data reissue and the like sent by the main station are sent to the repeater in the corresponding area through the GPRS interface, and the repeater sends the instructions to the corresponding intelligent electric meter.
As shown in fig. 4, the master station analysis system may further include a terminal management system and an alarm monitoring system. The terminal management system is used for monitoring the communication quality, data integrity, communication flow and terminal faults of the master station, equipment for information interaction with the master station and the information, and the availability and stability of the whole system are guaranteed. The communication quality refers to the communication stability of a third-party GPRS network and the stability between a terminal and a master station interface; data integrity is a prerequisite for the correctness of the analysis result of the master station; the communication traffic is related to the problem of communication cost, and the stable network communication environment and the simplified interaction information are beneficial to reducing the use of the traffic; the detection of the terminal failure rate is beneficial to registering the historical conditions of the power utilization area, the manufacturer and the communication channel, and provides a reference basis for the selection and planning of future terminal equipment. The alarm monitoring system is mainly used for processing and analyzing abnormal alarms of devices such as an electric energy meter, a terminal and the like.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents of the embodiments of the invention may be made without departing from the spirit and scope of the invention, which should be construed as falling within the scope of the claims of the invention.
Claims (5)
1. An intelligent orderly power utilization system, comprising: the system comprises an intelligent ammeter, a repeater, a main station analysis system and a user mobile terminal;
the intelligent electric meter sends the collected user electricity utilization information to the repeater, and the repeater forwards the electricity utilization information to the main station analysis system for communication connection;
the master station analysis system comprises a receiver, a singlechip written with a user ordered power utilization linear programming program, a communication unit and a power supply;
the receiver is used for receiving user power utilization information and inputting the user power utilization information to the single chip microcomputer;
the singlechip written with the user ordered power utilization linear programming program is used for sending the output result of the user ordered power utilization linear programming program to the user mobile terminal through the communication unit.
2. The system of claim 1, wherein the smart meter transmits the collected user electricity information to the repeater through an RS485 bus.
3. The system of claim 1, wherein the transponder is located on a tower.
4. The system of claim 1, wherein the user mobile terminal is a mobile phone or a tablet computer.
5. The system of claim 1, wherein the communication unit communicates with the ue through bluetooth, 3G/4G or WIFI communication.
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| CN201921557696.2U CN211089130U (en) | 2019-09-18 | 2019-09-18 | Intelligent orderly power utilization system |
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| CN201921557696.2U CN211089130U (en) | 2019-09-18 | 2019-09-18 | Intelligent orderly power utilization system |
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