CN111277652B - Client-side-oriented intelligent power Internet of things terminal and application method thereof - Google Patents
Client-side-oriented intelligent power Internet of things terminal and application method thereof Download PDFInfo
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- CN111277652B CN111277652B CN202010067707.XA CN202010067707A CN111277652B CN 111277652 B CN111277652 B CN 111277652B CN 202010067707 A CN202010067707 A CN 202010067707A CN 111277652 B CN111277652 B CN 111277652B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/045—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply hybrid encryption, i.e. combination of symmetric and asymmetric encryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/53—Network services using third party service providers
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- G—PHYSICS
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- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/06—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity with means for prepaying basic charges, e.g. rent for meters
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
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- Y04S30/12—Remote or cooperative charging
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Abstract
The invention discloses a client side-oriented intelligent power Internet of things terminal and application thereof, wherein the client side-oriented intelligent power Internet of things terminal comprises the following components: the built-in communication module is used for realizing service data interaction, realizing self-service handling service data transmission of power customers and realizing field data transmission of power supply operation and maintenance personnel; the external extended function module is used for realizing service data interaction, realizing an online monitoring function and realizing ordered charging control; the micro control unit is used for processing various ammeter communication message data transmitted by the built-in communication module, sending the related communication message data to the intelligent ammeter, the electric vehicle charging pile and the electric power related service system, and sending the abnormal monitoring result and the judged fault type to the electric power related service system in real time; and the power supply module is used for supplying power. The invention can realize convenient and efficient service interaction, can realize online monitoring of the running state of the low-voltage metering box, and can realize ordered charging management of the charging pile of the electric automobile.
Description
Technical Field
The invention belongs to the technical field of client-side-oriented ubiquitous power Internet of things, relates to the technical field of intelligent electric energy meters, low-voltage metering boxes and electric vehicle charging piles, and particularly relates to a client-side-oriented intelligent power Internet of things terminal and an application method thereof.
Background
The intelligent electric energy meter is a key device facing a client side in an intelligent power grid, and has the functions of electric energy metering, demand metering, fee urging control, remote communication, anomaly monitoring, event reporting and the like. In the operation process of the intelligent electric energy meter at the present stage, a local charge control electric energy meter remote payment instruction issuing and a remote charge control electric energy meter remote charge prompting control instruction issuing are exposed, and the problem that the success rate is not ideal is solved due to the communication rates of a narrow-band power line carrier communication network (3 kHz-500 kHz), a high-speed power line carrier communication network (2 MHz-12 MHz) and a micro-power wireless network (470 MHz-510 MHz), so that the execution efficiency of a remote payment service and a remote charge control service of a power supply enterprise and the electricity purchasing experience of electricity utilization customers are influenced.
As the power equipment facing to the client side, the intelligent electric energy meter lacks a convenient and friendly service interaction mode with the electricity utilization client and the operation and maintenance personnel of the power supply enterprise, so that the electricity utilization client cannot conveniently and intuitively inquire the electricity utilization information and self-service related payment and power restoration services, and the operation and maintenance personnel of the power supply enterprise cannot efficiently execute various field operation and maintenance service worksheets.
The low-voltage metering box is as the attached equipment of intelligent electric energy meter, because of lacking effectual operating condition monitoring means, causes that the violation of rules and regulations is opened and steals electricity, the metering box transships and catches fire, the metering box leaks electricity and injures the condition such as people and takes place occasionally, promotes low-voltage metering box operation monitoring ability, helps improving power supply enterprise power supply service quality.
Along with electric automobile fills electric pile's popularization gradually, for the using of electricity resources wisely, promote the power consumption efficiency, under current electric wire netting power supply resource permission condition, satisfy the demand of charging as far as possible, implement electric automobile and fill electric pile orderly charging control, ensure that batch charging and daily power consumption are carried on by mistake peak, are the problem that the power supply enterprise urgently needed to solve.
Disclosure of Invention
The invention aims to provide an intelligent power Internet of things terminal facing a client side and an application method thereof, so as to solve one or more technical problems. The terminal can realize convenient and efficient business interaction between power customers, operation and maintenance personnel of power supply enterprises and the intelligent electric energy meter, can realize online monitoring of the operation state of the low-voltage metering box, and can realize ordered charging management of the charging pile of the electric automobile.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention discloses a client side-oriented intelligent power Internet of things terminal, which comprises:
built-in communication module, built-in communication module includes: one or more of a Bluetooth communication module, an infrared communication module, an RS485 communication module, an NB-IoT communication module, a 230MHz communication module and a 5G communication module; the intelligent electric energy meter is used for realizing the service data interaction with the intelligent electric energy meter in a communication protocol conversion mode, realizing the self-service handling service data transmission of power customers and realizing the field data transmission of power supply operation and maintenance personnel;
external extended function module, external extended function module includes: the system comprises a temperature and humidity sensor module, a smoke sensor module, a current transformer module and an ordered charging controller module; the system comprises various external expansion modules, an intelligent electric energy meter, a low-voltage metering box, an electric vehicle charging pile, a low-voltage metering box, a client, an electric vehicle charging pile and a control module, wherein the various external expansion modules are matched with the various internal communication modules to realize service data interaction with the intelligent electric energy meter, the low-voltage metering box and the electric vehicle charging pile, realize the online monitoring function of the client energy state, the electric energy meter and the low-voltage metering box running state and realize the ordered charging control of the electric vehicle charging pile;
the micro control unit is used for processing various ammeter communication message data transmitted by the built-in communication module and sending the related communication message data to the intelligent ammeter, the electric automobile charging pile and the electric power related business system; the system is used for processing the temperature, humidity, smoke and low-voltage metering box running state data transmitted by the external extended function module; wherein, low pressure measurement case operating condition data includes: AC sampling data of incoming and outgoing line current of the low-voltage metering box; the low-voltage metering box is used for comparing the alternating current sampling data of the incoming and outgoing line currents of the low-voltage metering box with the data of an ammeter and judging an abnormal event; wherein, the abnormal events comprise electric leakage, electric larceny and overload; the low-voltage metering box fault location and judgment system is used for carrying out fault location and judgment on fault types through alternating current sampling data of incoming and outgoing lines of the low-voltage metering box aiming at power failure after the inner surface of the meter box is subjected to power failure and power failure before the meter box is subjected to power failure, and transmitting an abnormal monitoring result and the judged fault types to a power related service system in real time;
and the power supply module is used for supplying power to the micro control unit.
Preferably, the method further comprises the following steps: the real-time clock module is used for carrying out time marking on various data processed by the micro-control unit; the real-time clock supports network time synchronization calibration through the NB-IoT communication module.
Preferably, the method further comprises the following steps: the safety encryption chip module is used for carrying out safety authentication, encryption and decryption processing on various data input and output by the micro control unit; the security encryption chip module integrates a symmetric cryptographic algorithm and an asymmetric cryptographic algorithm, the symmetric cryptographic algorithm is a national cipher SM1/SM4/SM7 algorithm, and the asymmetric cryptographic algorithm is a national cipher SM2 algorithm.
Preferably, the power supply module adopts 220V alternating current for power supply; or the power module adopts a replaceable lithium battery for power supply.
Preferably, the self-service business handling business of the power customer comprises: the power customer self-service inquires power utilization information, self-service power restoration and card-free power purchase;
the field data of the power supply operation and maintenance personnel comprises: the power supply operation and maintenance personnel stop power restoration on site, modify parameters of the electric energy meter, and perform electricity meter time setting and daily frozen electric quantity supplementary reading on service data;
the electric power related business system comprises: the system comprises a power consumption information acquisition system, a power marketing business application system, a power supply service command platform and an e-charging and car networking platform.
The invention discloses an application method of an intelligent power Internet of things terminal facing a client side, which is used for self-service power restoration service of a remote charge control intelligent electric energy meter and comprises the following steps:
submitting a self-service power restoration service application through a mobile phone APP;
the self-service power restoration service application is transmitted to the power related service system through the mobile phone 4G public network;
after the power related service system confirms that the self-service power restoration condition is met, a power restoration instruction is issued to the mobile phone APP through the 4G public network;
the mobile phone APP communicates with the intelligent power Internet of things terminal in a Bluetooth communication mode, and the power restoration instruction is pushed to the intelligent power Internet of things terminal;
the intelligent power Internet of things terminal performs data interaction with the remote fee-control intelligent electric energy meter through the RS485 communication module or the infrared communication module, issues a power restoration instruction to the electric meter, and feeds back an execution result of power restoration service of the electric meter to the mobile phone APP;
and the mobile phone APP feeds back the execution result of the self-service power restoration service to the power related service system.
The invention discloses an application method of an intelligent power Internet of things terminal facing a client side, which is used for card-free electricity purchasing business of a local charge control intelligent electric energy meter, and specifically comprises the following steps:
submitting an electricity purchasing payment service application through a mobile phone APP;
the electricity purchasing payment service application is transmitted to the electricity related service system through the mobile phone 4G public network, and after the electricity related service system confirms that electricity purchasing is successful, an electricity purchasing recharging instruction is issued to the electricity consumer mobile phone APP through the 4G public network;
the mobile phone APP communicates with the intelligent electric power Internet of things terminal in a Bluetooth communication mode, and an electric power purchasing recharging instruction is pushed to the intelligent electric power Internet of things terminal;
the intelligent power Internet of things terminal performs data interaction with the local fee-controlled intelligent electric energy meter through the RS485 communication module or the infrared communication module, issues an electricity purchasing recharging instruction to the electric meter, and feeds back an execution result of a card-free electricity purchasing service of the electric meter to the mobile phone APP;
and the mobile phone APP feeds back the card-free electricity purchasing business execution result to the electric power related business system.
The invention discloses an application method of an intelligent power Internet of things terminal facing a client side, which is used for an intelligent electric energy meter parameter modification service and specifically comprises the following steps:
submitting an intelligent electric energy meter parameter modification service application through an electric power mobile operation terminal; the intelligent electric energy meter parameter modification service comprises the following steps: electricity price modification, rate time period modification, electric energy meter screen display item modification and electric meter clock time setting;
the intelligent electric energy meter parameter modification service is transmitted to the electric power related service system through the 4G private network, and after the electric power related service system passes the parameter modification application and verification, a parameter modification instruction is issued to the electric power mobile operation terminal through the 4G private network;
the electric power mobile operation terminal communicates with the intelligent electric power Internet of things terminal in a Bluetooth communication mode and pushes the electric energy meter parameter modification instruction to the intelligent electric power Internet of things terminal;
the intelligent power Internet of things terminal performs data interaction with the remote cost control intelligent electric energy meter or the local cost control intelligent electric energy meter through the RS485 communication module or the infrared communication module, issues a parameter modification instruction to the electric meter, and feeds back an electric meter parameter modification service execution result to the power mobile operation terminal;
and the electric power mobile operation terminal feeds back the parameter modification service execution result to the electric power related service system.
The invention discloses an application method of an intelligent power Internet of things terminal facing a client side, which is used for monitoring services of a low-voltage metering box and an intelligent electric energy meter running state, and specifically comprises the following steps:
the intelligent power internet of things terminal is arranged in the low-voltage metering box and used for monitoring the running states of the low-voltage metering box and the intelligent electric energy meter; the operation state of the low-voltage metering box is monitored through the temperature and humidity sensor module and the smoke sensor module, and the inlet and outlet line currents of the low-voltage metering box are monitored through the current transformer module;
the intelligent power Internet of things terminal compares the alternating current sampling data of the incoming and outgoing lines of the low-voltage metering box sent by the current transformer with the voltage data of the intelligent electric energy meter, and judges an abnormal event; and aiming at different types of power failure in the meter box, fault positioning is carried out through the AC sampling data to judge the fault type, and the abnormal monitoring result and the judged fault type are sent to the power related service system through the NB-IoT communication module, the 230MHz communication module or the 5G communication module.
The invention discloses an application method of a client-side-oriented intelligent power Internet of things terminal, which is used for ordered charging management business of an electric vehicle charging pile and specifically comprises the following steps:
the charging plan application is submitted to a charging pile remote management platform through a mobile phone APP;
the charging plan is issued to the intelligent power Internet of things terminal by using a mobile phone Bluetooth communication module or is issued to the intelligent power Internet of things terminal by a power-related service system through an NB-IoT communication module, a 230MHz communication module or a 5G communication module;
the intelligent electric power Internet of things terminal sends a charging start task to the ordered charging module at a specified time according to the charging plan, and ordered charging control of the charging pile is completed;
after the ordered charging task is completed, the intelligent power internet of things terminal uploads the execution result of the charging task to the power related business system through the NB-IoT communication module, the 230MHz communication module or the 5G communication module.
Compared with the prior art, the invention has the following beneficial effects:
the intelligent power Internet of things terminal facing the client side is internally provided with various communication modules such as Bluetooth, infrared, RS485, NB-IoT, 230MHz (TD-LTE), 5G and the like, and can expand functional modules such as a temperature and humidity sensor module, a smoke sensor module, a current transformer module, an ordered charging controller module and the like, and the modules can be flexibly configured according to different service requirements. According to the invention, through various built-in Internet of things communication modules and related sensing control modules, the problem that the intelligent electric energy meter lacks a client-side service data interaction means in the prior art, a power consumer cannot conveniently inquire power consumption information and self-service related payment and power restoration services, and power supply enterprise operation and maintenance personnel cannot efficiently execute various field operation and maintenance service work orders is solved. Meanwhile, the invention also realizes the real-time monitoring of the running states of the low-voltage metering box and the intelligent electric energy meter and the ordered charging control of the electric automobile charging pile, and improves the operation and maintenance management and control capabilities of power supply enterprises on the intelligent electric energy meter, the low-voltage metering box and the electric automobile charging pile.
The real-time clock module is used for carrying out time marking on various data processed by the micro-control unit, and meanwhile, the real-time clock (RTC) supports network time setting calibration through the NB-IoT communication module; the intelligent power Internet of things terminal can independently time, accurately execute various service instructions or accurately time-label various abnormal events and fault data uploaded to the power related service system.
The invention is provided with a security encryption chip module which is used for carrying out security authentication, encryption and decryption processing on various data input and output by a Micro Control Unit (MCU); the security encryption chip integrates symmetric and asymmetric cryptographic algorithms, the symmetric cryptographic algorithm adopts a national cipher SM1/SM4/SM7 algorithm, the asymmetric cryptographic algorithm adopts a national cipher SM2 algorithm, and certificates and keys in the security chip are authorized and issued by a national cryptographic authority. By classifying and grading the data and operation processed by the Micro Control Unit (MCU), different authentication encryption modes are selected for different connecting devices, different resources are provided, and the safety of the data and operation in the Micro Control Unit (MCU) is ensured. Because the mobile phone, the handheld terminal and other devices cannot be provided with the security chip, the identity authentication and encryption are carried out by using a soft algorithm, the state secret SM2 algorithm and the certificate are adopted for carrying out identity authentication, the confidentiality, the integrity and the non-repudiation of data transmission are ensured by using the state secret SM4 algorithm, and in addition, the Micro Control Unit (MCU) is provided with the fact that the devices can only read limited electric energy data or execute charge control business operations such as power failure and power restoration and the like, and cannot carry out other operations.
In the invention, the power supply module supports access of 220V alternating current power supply or power supply of a replaceable lithium battery, and meanwhile, the power supply module is also internally provided with a super capacitor, so that power supply of a terminal can be maintained after an alternating current power supply fails or the electric energy of the lithium battery is exhausted, and a power failure event and related fault data are ensured to be reported to a power related business system (a power utilization information acquisition system, a power marketing business application system, a power supply service command platform, an e-charging platform, an Internet of vehicles platform and the like) in time.
The application of the invention can be used for carrying out service data interaction with the intelligent electric energy meter for electricity customers and power supply operation and maintenance personnel. The intelligent power internet of things terminal can perform service data interaction with the intelligent electric energy meter in an RS485 communication mode or an infrared communication mode, and meanwhile, the intelligent power internet of things terminal can perform data interaction with an electricity customer mobile phone APP, a power supply operation and maintenance personnel mobile operation terminal and a power related service system (an electricity information acquisition system, a power marketing service application system, a power supply service command platform, e-charging, an internet of vehicles platform and the like) in an uplink communication mode such as Bluetooth, NB-IoT, 230MHz (TD-LTE), 5G and the like. Service instructions (cost control instructions, parameter modification instructions, electricity purchasing instructions, electricity quantity and abnormal event acquisition instructions, time synchronization instructions and the like) issued to the intelligent electric energy meter are acquired through uplink communication channels (Bluetooth, NB-IoT, 230MHz (TD-LTE), 5G), and the execution result of the service instructions is fed back to electric power related service systems (an electricity consumption information acquisition system, an electric power marketing service application system, a power supply service command platform, e-charging, an Internet of vehicles platform and the like) through the uplink communication channels, so that closed-loop management of the whole service process is completed.
The invention can be used for monitoring the running states of the low-voltage metering box and the intelligent electric energy meter. The intelligent power Internet of things terminal is installed in the low-voltage metering box, and data interaction is carried out between the intelligent power Internet of things terminal and an intelligent sensor module in the metering box, so that the running working condition of the metering box is monitored; carry out data interaction through the current transformer module with in the batch meter, realize monitoring low-voltage metering box business turn over line side electric current, judge unusual power consumption circumstances such as power failure, electric leakage, steal electricity, overload. Under the normal condition of power supply of the low-voltage metering box, the intelligent power Internet of things terminal reports the corresponding monitoring result in real time through an NB-IoT module or a 230MHz (TD-LTE) module or a 5G module. When the low-voltage metering box fails and has power failure, the intelligent power internet of things terminal reports corresponding monitoring results quickly through an NB-IoT module or a 230MHz (TD-LTE) module or a 5G module in a power supply module power supply mode.
The application of the invention can realize the orderly charging management of the charging pile of the electric automobile. The intelligent power Internet of things terminal is interacted with a mobile phone APP through a Bluetooth communication module, and is interacted with a power related service system (e charging platform, car networking platform and the like) through an NB-IoT module or a 230MHz (TD-LTE) module or a 5G module. When a customer selects a certain period of charging by using a mobile phone APP, the customer can select to use a mobile phone Bluetooth communication module to issue a charging plan to an intelligent power Internet of things terminal or issue the charging plan to the intelligent power Internet of things terminal through an NB-IoT module or a 230MHz (TD-LTE) module or a 5G module by a power related service system (e charging platform, Internet of vehicles platform and the like), and the intelligent power Internet of things terminal issues a charging start task to an ordered charging module at a specified time according to the charging plan to complete ordered charging control of a charging pile. After the ordered charging task is completed, the intelligent electric power internet of things terminal uploads a charging task execution result to an electric power related service system (e charging platform, car networking platform and the like) through an NB-IoT module or a 230MHz (TD-LTE) module or a 5G module, so that ordered charging management of the electric vehicle charging pile is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art are briefly introduced below; it is obvious that the drawings in the following description are some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic diagram of a hardware architecture of a client-side-oriented intelligent power internet of things terminal according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a self-service power restoration service flow of the remote fee-control intelligent electric energy meter according to the embodiment of the present invention;
FIG. 3 is a schematic diagram of a card-free electricity purchasing business process of a local fee-controlled intelligent electric energy meter according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a service flow of parameter modification of an intelligent electric energy meter according to an embodiment of the present invention;
FIG. 5 is a schematic view of a service flow of monitoring the operation states of the low-voltage metering box and the intelligent electric energy meter in the embodiment of the invention;
fig. 6 is a schematic view of an orderly charging management business process of an electric vehicle charging pile in the embodiment of the present invention.
Detailed Description
In order to make the purpose, technical effect and technical solution of the embodiments of the present invention clearer, the following clearly and completely describes the technical solution of the embodiments of the present invention with reference to the drawings in the embodiments of the present invention; it is to be understood that the described embodiments are only some of the embodiments of the present invention. Other embodiments, which can be derived by one of ordinary skill in the art from the disclosed embodiments without inventive faculty, are intended to be within the scope of the invention.
Referring to fig. 1, an intelligent power internet of things terminal facing a client side according to an embodiment of the present invention includes: the system comprises a Micro Control Unit (MCU), a power supply module, a real-time clock (RTC) and an ESAM; bluetooth, infrared, RS485, NB-IoT, 230MHz (TD-LTE), 5G and other built-in communication modules; extended function modules such as temperature and humidity sensor module, smoke transducer module, current transformer module and orderly charge controller module.
The various built-in communication modules and the extended function module can be flexibly combined according to the service scene of the terminal application, and the optimal configuration of the intelligent power Internet of things terminal hardware architecture is realized.
Various built-in communication modules are correlated with each other, and can realize service data interaction with the intelligent electric energy meter in a communication protocol conversion mode, realize self-service handling functions of self-service inquiry of electricity utilization information, self-service power restoration, card-free electricity purchasing and the like of an electric power customer, realize functions of field power stop and restoration of power supply operation and maintenance personnel, modification of parameters of the electric energy meter, time synchronization of the electric energy meter, daily frozen electric quantity supplementary reading and the like, and complete service data transmission.
The system comprises various external expansion modules, a low-voltage metering box, an intelligent electric energy meter, an electric vehicle charging pile, a low-voltage metering box and a client, wherein the various external expansion modules are matched with various internal communication modules to realize service data interaction with the intelligent electric energy meter, the low-voltage metering box and the electric vehicle charging pile and realize the online monitoring function of the energy state of the client, the electric energy meter and the running state of the low-voltage metering box; realize electric automobile and fill electric pile control function that charges in order.
Preferably, the Micro Control Unit (MCU) is responsible for processing various ammeter communication message data transmitted by built-in communication modules such as Bluetooth, infrared, RS485, NB-IoT, 230MHz (TD-LTE), 5G and the like, and transmitting the related communication message data to the intelligent ammeter, the electric automobile charging pile and the electric power related business system (an electricity utilization information acquisition system, an electric power marketing business application system, a power supply service command platform, an e-charging platform, an Internet of vehicles platform and the like); and the Micro Control Unit (MCU) is responsible for processing the running state data of the low-voltage metering box such as the temperature and humidity, smoke, the inlet and outlet line current of the low-voltage metering box and the like transmitted by the extended function modules such as the temperature and humidity sensor, the smoke sensor, the current transformer and the like, comparing the inlet and outlet line current alternating sampling data of the low-voltage metering box with the data of the electric meter, and judging abnormal events such as electric leakage, electricity stealing, overload and the like.
For different types of power failure (power failure after the meter and power failure before the meter) in the meter box, fault positioning is carried out through alternating sampling data to judge the fault type, and an abnormal monitoring result and the judged fault type are sent to electric power related business systems (a power utilization information acquisition system, an electric power marketing business application system, a power supply service command platform, an e-charging platform, an Internet of vehicles platform and the like) in real time.
Preferably, the secure encryption chip (ESAM) can perform security authentication, encryption and decryption processing on various data input and output by the Micro Control Unit (MCU). The security encryption chip integrates symmetric and asymmetric cryptographic algorithms, the symmetric cryptographic algorithm adopts a national cipher SM1/SM4/SM7 algorithm, the asymmetric cryptographic algorithm adopts a national cipher SM2 algorithm, and certificates and keys in the security chip are authorized and issued by a national cryptographic authority. By classifying and grading the data and operation processed by the Micro Control Unit (MCU), different authentication encryption modes are selected for different connecting devices, different resources are provided, and the safety of the data and operation in the Micro Control Unit (MCU) is ensured. Because the mobile phone, the handheld terminal and other devices cannot be provided with the security chip, the identity authentication and encryption are carried out by using a soft algorithm, the state secret SM2 algorithm and the certificate are adopted for carrying out identity authentication, the confidentiality, the integrity and the non-repudiation of data transmission are ensured by using the state secret SM4 algorithm, and in addition, the Micro Control Unit (MCU) is provided with the fact that the devices can only read limited electric energy data or execute charge control business operations such as power failure and power restoration and the like, and cannot carry out other operations.
Preferably, the real-time clock (RTC) can carry out time labeling to various data that little the control unit (MCU) was handled, and the real-time clock (RTC) supports simultaneously and carries out the calibration of network timing to the time through NB-IoT communication module, has realized that intelligent electric power thing networking terminal independently times, and accurate execution all kinds of business instructions or to uploading to various abnormal events and fault data of electric power relevant business system (power consumption information acquisition system, electric power marketing business application system, e charge platform, car networking platform etc.) carry out accurate time labeling.
Preferably, the power module supports access of 220V alternating current power supply or replaceable lithium battery power supply, and meanwhile, the power module is internally provided with a super capacitor, so that power supply of a terminal can be maintained after an alternating current power supply fails or electric energy of the lithium battery is exhausted, and power failure events and related fault data are guaranteed to be reported to an electric power related business system (an electricity information acquisition system, an electric power marketing business application system, a power supply service command platform, an e-charging platform, an internet of vehicles platform and the like) in time.
The invention can be used for carrying out service data interaction with the intelligent electric energy meter for electricity customers and power supply operation and maintenance personnel. The intelligent power internet of things terminal can perform service data interaction with the intelligent electric energy meter in an RS485 communication mode or an infrared communication mode, and meanwhile, the intelligent power internet of things terminal can perform data interaction with an electricity customer mobile phone APP, a power supply operation and maintenance personnel mobile operation terminal and a power related service system (an electricity information acquisition system, a power marketing service application system and the like) in an uplink communication mode such as Bluetooth, NB-IoT, 230MHz (TD-LTE), 5G and the like. Service instructions (a cost control instruction, a parameter modification instruction, an electricity purchasing instruction, an electric quantity and abnormal event acquisition instruction, a time synchronization instruction and the like) issued to the intelligent electric energy meter are obtained through uplink communication channels (Bluetooth, NB-IoT, 230MHz (TD-LTE), 5G), and the execution result of the service instructions is fed back to electric power related service systems (an electricity consumption information acquisition system, an electric power marketing service application system and the like) through the uplink communication channels, so that the closed-loop management of the whole service process is completed.
The terminal can monitor the running states of the low-voltage metering box and the intelligent electric energy meter. The intelligent power Internet of things terminal is installed in the low-voltage metering box, and the monitoring of the operating condition of the metering box is realized through data interaction with an intelligent sensor module in the metering box; through the data interaction with the current transformer module in the metering box, the monitoring of the current of the inlet and outlet lines of the electric energy meter is realized, and abnormal power utilization conditions such as power failure, electric leakage, electricity stealing, overload and the like are judged. Under the normal condition of power supply of the low-voltage metering box, the intelligent power Internet of things terminal reports the corresponding monitoring result in real time through an NB-IoT module or a 230MHz (TD-LTE) module or a 5G module. When the low-voltage metering box fails and has power failure, the intelligent power internet of things terminal reports corresponding monitoring results quickly through an NB-IoT module or a 230MHz (TD-LTE) module or a 5G module in a power supply module power supply mode.
The intelligent power Internet of things terminal facing the client side is internally provided with various communication modules such as Bluetooth, infrared, RS485, NB-IoT, 230MHz (TD-LTE), 5G and the like, and can expand functional modules such as a temperature and humidity sensor module, a smoke sensor module, a current transformer module, an ordered charging controller module and the like, and the modules can be flexibly configured according to different service requirements. According to the invention, through various built-in Internet of things communication modules and related sensing control modules, the problem that the intelligent electric energy meter lacks a client-side service data interaction means in the prior art, a power consumer cannot conveniently inquire power consumption information and self-service related payment and power restoration services, and power supply enterprise operation and maintenance personnel cannot efficiently execute various field operation and maintenance service work orders is solved. Meanwhile, the invention also realizes the real-time monitoring of the running states of the low-voltage metering box and the intelligent electric energy meter and the ordered charging control of the electric automobile charging pile, and improves the operation and maintenance management and control capabilities of power supply enterprises on the intelligent electric energy meter, the low-voltage metering box and the electric automobile charging pile.
The terminal can realize ordered charging management of the electric automobile charging pile. The intelligent power Internet of things terminal interacts with a mobile phone APP through a Bluetooth communication module, and interacts with a charging pile remote management platform (e, a charging platform, an Internet of vehicles platform and the like) through an NB-IoT module or a 230MHz (TD-LTE) module or a 5G module. When a customer selects a certain period of charging by using a mobile phone APP, the customer can select to use a mobile phone Bluetooth communication module to issue a charging plan to an intelligent power Internet of things terminal or issue the charging plan to the intelligent power Internet of things terminal through an NB-IoT module or a 230MHz (TD-LTE) module or a 5G module by a power related service system (e charging platform, Internet of vehicles platform and the like), and the intelligent power Internet of things terminal issues a charging start task to an ordered charging module at a specified time according to the charging plan to complete ordered charging control of a charging pile. After the ordered charging task is completed, the intelligent electric power internet of things terminal uploads a charging task execution result to an electric power related service system (e charging platform, car networking platform and the like) through an NB-IoT module or a 230MHz (TD-LTE) module or a 5G module, so that ordered charging management of the electric vehicle charging pile is realized.
Referring to fig. 2, fig. 2 is a flow chart of a self-service power restoration service of a remote fee-control intelligent electric energy meter according to an embodiment of the present invention. The self-service power restoration method based on the intelligent power Internet of things terminal comprises the following steps:
the power consumption customer submits the self-service power restoration service application in the mobile phone APP, the application is transmitted to the power related service system (the power consumption information acquisition system, the power marketing service application system and the like) through the mobile phone 4G public network, and after the power related service system (the power consumption information acquisition system, the power marketing service application system and the like) confirms that the power consumption customer accords with the self-service power restoration condition, the power restoration instruction is issued to the power consumption customer mobile phone APP through the 4G public network.
Cell-phone APP carries out the communication through bluetooth communication mode and intelligent electric power thing networking terminal, with the propelling movement of compound telegram instruction to intelligent electric power thing networking terminal.
The intelligent power Internet of things terminal performs data interaction with the remote fee-control intelligent electric energy meter through the RS485 or infrared communication module, issues the power restoration command to the electric meter, and feeds back the power restoration service execution result of the electric meter to the mobile phone APP.
The mobile phone APP feeds back the execution result of the self-service power restoration service to the power related service system (a power utilization information acquisition system, a power marketing service application system and the like), and the closed-loop management of the self-service power restoration service is realized.
Referring to fig. 3, fig. 3 is a flow chart of a card-free electricity purchasing service of the local fee-control intelligent electric energy meter according to the embodiment of the present invention. The card-free electricity purchasing method based on the intelligent power Internet of things terminal comprises the following steps:
the electricity consumption customer submits an electricity purchasing payment service application in the mobile phone APP, the application is transmitted to the electricity related service system (an electricity consumption information acquisition system, an electricity marketing service application system and the like) through the mobile phone 4G public network, and after the electricity related service system (the electricity consumption information acquisition system, the electricity marketing service application system and the like) confirms that the electricity purchasing of the electricity consumption customer is successful, an electricity purchasing recharging instruction is issued to the electricity consumption customer mobile phone APP through the 4G public network. Cell-phone APP carries out the communication through bluetooth communication mode and intelligent electric power thing networking terminal, will purchase the electric instruction propelling movement of supplementing with money to intelligent electric power thing networking terminal. The intelligent power internet of things terminal performs data interaction with the local fee-controlled intelligent electric energy meter through the RS485 or infrared communication module, issues an electricity purchasing recharging instruction to the electric meter, and feeds back an electricity purchasing service execution result of the electric meter to the mobile phone APP. The mobile phone APP feeds back the execution result of the card-free electricity purchasing business to the electric power related business system (an electricity utilization information acquisition system, an electric power marketing business application system and the like), and closed-loop management of the card-free electricity purchasing business is achieved.
Referring to fig. 4, fig. 4 is a flowchart of a parameter modification service of an intelligent electric energy meter according to an embodiment of the present invention. The intelligent electric energy meter parameter modification method based on the intelligent electric power Internet of things terminal comprises the following steps:
the method comprises the steps that a power supply worker submits an intelligent electric energy meter parameter modification service application (electricity price modification, rate period modification, electric energy meter screen display item modification, electric meter clock time synchronization and the like) in an electric power mobile operation terminal, the application is transmitted to an electric power related service system (an electricity consumption information acquisition system, an electric power marketing service application system and the like) through a 4G private network, and after the parameter modification application verification of the electric power related service system (the electricity consumption information acquisition system, the electric power marketing service application system and the like) is passed, a parameter modification instruction is issued to the electric power mobile operation terminal through the 4G private network. The electric power mobile operation terminal communicates with the intelligent electric power Internet of things terminal in a Bluetooth communication mode, and pushes the electric energy meter parameter modification instruction to the intelligent electric power Internet of things terminal. The intelligent electric power Internet of things terminal performs data interaction with the remote fee-controlled intelligent electric energy meter or the local fee-controlled intelligent electric energy meter through the RS485 or infrared communication module, issues the parameter modification instruction to the electric meter, and feeds back the electric meter parameter modification service execution result to the electric power mobile operation terminal. The electric power mobile operation terminal feeds back the execution result of the parameter modification service to an electric power related service system (an electricity consumption information acquisition system, an electric power marketing service application system and the like), so that the closed-loop management of the parameter modification service of the intelligent electric energy meter is realized.
Referring to fig. 5, fig. 5 is a flow chart of a service for monitoring an operation state of a low-voltage metering box and an intelligent electric energy meter according to an embodiment of the present invention. The embodiment of the invention provides a low-voltage metering box based on an intelligent power Internet of things terminal and an intelligent electric energy meter running state monitoring method, which specifically comprise the following steps:
the intelligent power internet of things terminal and the expansion module (the temperature and humidity sensor module, the smoke sensor module and the current transformer module) thereof are installed in the low-voltage metering box, and the running states of the low-voltage metering box and the intelligent electric energy meter can be monitored in real time. The intelligent power internet of things terminal compares the alternating current sampling data of the inlet and outlet wires of the low-voltage metering box sent by the current transformer with the voltage data of the intelligent electric energy meter collected by the current transformer, and judges abnormal events such as electric leakage, electricity stealing, overload and the like. According to different types of power failure (power failure after the meter and power failure before the meter) in the meter box, fault positioning is carried out through alternating current sampling data to judge the fault type, and an abnormal monitoring result and the judged fault type are sent to a power related service system (a power utilization information acquisition system, a power marketing service application system, a power supply service command platform and the like) through an NB-IoT module or a 230MHz (TD-LTE) module or a 5G module in real time, so that the running state monitoring of the low-voltage metering box and the intelligent electric energy meter is realized.
Referring to fig. 6, a flow chart of an orderly charging management service of an electric vehicle charging pile according to an embodiment of the present invention is provided. The embodiment of the invention provides an electric automobile charging pile ordered charging management method based on an intelligent power Internet of things terminal, which specifically comprises the following steps:
the power consumption customer inquires the charging scheme that fills electric pile distant place management platform (e platform, car networking platform etc.) and provide in cell-phone APP, and after the power consumption customer selected a certain period of charging, the application of charging submitted to filling electric pile distant place management platform (e platform, car networking platform etc.) through cell-phone APP. The electricity utilization customer can choose to use the mobile phone Bluetooth communication module to issue the charging plan to the intelligent electric power Internet of things terminal or an electric power related service system (such as an Internet of vehicles platform and the like) issues the charging plan to the intelligent electric power Internet of things terminal through the NB-IoT module or the 230MHz (TD-LTE) module or the 5G module, and the intelligent electric power Internet of things terminal issues a charging starting task to the ordered charging module at a specified time according to the charging plan to complete the ordered charging control of the charging pile. After the ordered charging task is completed, the intelligent electric power internet of things terminal uploads a charging task execution result to an electric power related service system (e charging platform, car networking platform and the like) through an NB-IoT module or a 230MHz (TD-LTE) module or a 5G module, so that ordered charging management of the electric vehicle charging pile is realized.
Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can make modifications and equivalents to the embodiments of the present invention without departing from the spirit and scope of the present invention, which is set forth in the claims of the present application.
Claims (10)
1. The utility model provides an intelligent electric power thing networking terminal towards customer side which characterized in that includes:
built-in communication module, built-in communication module includes: one or more of a Bluetooth communication module, an infrared communication module, an RS485 communication module, an NB-IoT communication module, a 230MHz communication module and a 5G communication module; the intelligent electric energy meter is used for realizing the service data interaction with the intelligent electric energy meter in a communication protocol conversion mode, realizing the self-service handling service data transmission of power customers and realizing the field data transmission of power supply operation and maintenance personnel;
external extended function module, external extended function module includes: the system comprises a temperature and humidity sensor module, a smoke sensor module, a current transformer module and an ordered charging controller module; the system comprises various external expansion modules, an intelligent electric energy meter, a low-voltage metering box, an electric vehicle charging pile, a low-voltage metering box, a client, an electric vehicle charging pile and a control module, wherein the various external expansion modules are matched with the various internal communication modules to realize service data interaction with the intelligent electric energy meter, the low-voltage metering box and the electric vehicle charging pile, realize the online monitoring function of the client energy state, the electric energy meter and the low-voltage metering box running state and realize the ordered charging control of the electric vehicle charging pile;
the micro control unit is used for processing various ammeter communication message data transmitted by the built-in communication module and sending the related communication message data to the intelligent ammeter, the electric automobile charging pile and the electric power related business system; the system is used for processing the temperature, humidity, smoke and low-voltage metering box running state data transmitted by the external extended function module; wherein, low pressure measurement case operating condition data includes: AC sampling data of incoming and outgoing line current of the low-voltage metering box; the low-voltage metering box is used for comparing the alternating current sampling data of the incoming and outgoing line currents of the low-voltage metering box with the data of an ammeter and judging an abnormal event; wherein, the abnormal events comprise electric leakage, electric larceny and overload; the low-voltage metering box fault location and judgment system is used for carrying out fault location and judgment on fault types through alternating current sampling data of incoming and outgoing lines of the low-voltage metering box aiming at power failure after the inner surface of the meter box is subjected to power failure and power failure before the meter box is subjected to power failure, and transmitting an abnormal monitoring result and the judged fault types to a power related service system in real time;
and the power supply module is used for supplying power to the micro control unit.
2. The client-side-oriented intelligent power internet of things terminal according to claim 1, further comprising:
the real-time clock module is used for carrying out time marking on various data processed by the micro-control unit; the real-time clock supports network time synchronization calibration through the NB-IoT communication module.
3. The client-side-oriented intelligent power internet of things terminal according to claim 1, further comprising:
the safety encryption chip module is used for carrying out safety authentication, encryption and decryption processing on various data input and output by the micro control unit; the security encryption chip module integrates a symmetric cryptographic algorithm and an asymmetric cryptographic algorithm, the symmetric cryptographic algorithm is a national cipher SM1/SM4/SM7 algorithm, and the asymmetric cryptographic algorithm is a national cipher SM2 algorithm.
4. The client-side-oriented intelligent power Internet of things terminal as claimed in claim 1,
the power supply module is powered by 220V alternating current;
or the power module adopts a replaceable lithium battery for power supply.
5. The client-side-oriented intelligent power Internet of things terminal as claimed in claim 1, wherein the self-service business handling business of the power client comprises: the power customer self-service inquires power utilization information, self-service power restoration and card-free power purchase;
the field data of the power supply operation and maintenance personnel comprises: the power supply operation and maintenance personnel stop power restoration on site, modify parameters of the electric energy meter, and perform electricity meter time setting and daily frozen electric quantity supplementary reading on service data;
the electric power related business system comprises: the system comprises a power consumption information acquisition system, a power marketing business application system, a power supply service command platform and an e-charging and car networking platform.
6. The application method of the client-side-oriented intelligent power Internet of things terminal, as claimed in claim 1, is used for a remote fee-control intelligent electric energy meter self-service power restoration service, and comprises the following steps:
submitting a self-service power restoration service application through a mobile phone APP;
the self-service power restoration service application is transmitted to the power related service system through the mobile phone 4G public network;
after the power related service system confirms that the self-service power restoration condition is met, a power restoration instruction is issued to the mobile phone APP through the 4G public network;
the mobile phone APP communicates with the intelligent power Internet of things terminal in a Bluetooth communication mode, and the power restoration instruction is pushed to the intelligent power Internet of things terminal;
the intelligent power Internet of things terminal performs data interaction with the remote fee-control intelligent electric energy meter through the RS485 communication module or the infrared communication module, issues a power restoration instruction to the electric meter, and feeds back an execution result of power restoration service of the electric meter to the mobile phone APP;
and the mobile phone APP feeds back the execution result of the self-service power restoration service to the power related service system.
7. The application method of the client-side-oriented intelligent power internet of things terminal, as claimed in claim 1, is used for card-free electricity purchasing services of a local fee-control intelligent electric energy meter, and specifically comprises the following steps:
submitting an electricity purchasing payment service application through a mobile phone APP;
the electricity purchasing payment service application is transmitted to the electricity related service system through the mobile phone 4G public network, and after the electricity related service system confirms that electricity purchasing is successful, an electricity purchasing recharging instruction is issued to the electricity consumer mobile phone APP through the 4G public network;
the mobile phone APP communicates with the intelligent electric power Internet of things terminal in a Bluetooth communication mode, and an electric power purchasing recharging instruction is pushed to the intelligent electric power Internet of things terminal;
the intelligent power Internet of things terminal performs data interaction with the local fee-controlled intelligent electric energy meter through the RS485 communication module or the infrared communication module, issues an electricity purchasing recharging instruction to the electric meter, and feeds back an execution result of a card-free electricity purchasing service of the electric meter to the mobile phone APP;
and the mobile phone APP feeds back the card-free electricity purchasing business execution result to the electric power related business system.
8. The application method of the client-side-oriented intelligent power internet of things terminal, as claimed in claim 1, is used for intelligent electric energy meter parameter modification service, and specifically comprises the following steps:
submitting an intelligent electric energy meter parameter modification service application through an electric power mobile operation terminal; the intelligent electric energy meter parameter modification service comprises the following steps: electricity price modification, rate time period modification, electric energy meter screen display item modification and electric meter clock time setting;
the intelligent electric energy meter parameter modification service is transmitted to the electric power related service system through the 4G private network, and after the electric power related service system passes the parameter modification application and verification, a parameter modification instruction is issued to the electric power mobile operation terminal through the 4G private network;
the electric power mobile operation terminal communicates with the intelligent electric power Internet of things terminal in a Bluetooth communication mode and pushes the electric energy meter parameter modification instruction to the intelligent electric power Internet of things terminal;
the intelligent power Internet of things terminal performs data interaction with the remote cost control intelligent electric energy meter or the local cost control intelligent electric energy meter through the RS485 communication module or the infrared communication module, issues a parameter modification instruction to the electric meter, and feeds back an electric meter parameter modification service execution result to the power mobile operation terminal;
and the electric power mobile operation terminal feeds back the parameter modification service execution result to the electric power related service system.
9. The application method of the client-side-oriented intelligent power Internet of things terminal, as claimed in claim 1, is used for monitoring services of the running states of the low-voltage metering box and the intelligent electric energy meter, and specifically comprises the following steps:
the intelligent power internet of things terminal is arranged in the low-voltage metering box and used for monitoring the running states of the low-voltage metering box and the intelligent electric energy meter; the operation state of the low-voltage metering box is monitored through the temperature and humidity sensor module and the smoke sensor module, and the inlet and outlet line currents of the low-voltage metering box are monitored through the current transformer module;
the intelligent power Internet of things terminal compares the alternating current sampling data of the incoming and outgoing lines of the low-voltage metering box sent by the current transformer with the voltage data of the intelligent electric energy meter, and judges an abnormal event; and aiming at different types of power failure in the meter box, fault positioning is carried out through the AC sampling data to judge the fault type, and the abnormal monitoring result and the judged fault type are sent to the power related service system through the NB-IoT communication module, the 230MHz communication module or the 5G communication module.
10. The application method of the client-side-oriented intelligent power internet of things terminal, as claimed in claim 1, is used for the orderly charging management business of the charging pile of the electric vehicle, and specifically comprises the following steps:
the charging plan application is submitted to a charging pile remote management platform through a mobile phone APP;
the charging plan is issued to the intelligent power Internet of things terminal by using a mobile phone Bluetooth communication module or is issued to the intelligent power Internet of things terminal by a power-related service system through an NB-IoT communication module, a 230MHz communication module or a 5G communication module;
the intelligent electric power Internet of things terminal sends a charging start task to the ordered charging module at a specified time according to the charging plan, and ordered charging control of the charging pile is completed;
after the ordered charging task is completed, the intelligent power internet of things terminal uploads the execution result of the charging task to the power related business system through the NB-IoT communication module, the 230MHz communication module or the 5G communication module.
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| CN113012414A (en) * | 2021-01-28 | 2021-06-22 | 国电南瑞南京控制系统有限公司 | Modular energy acquisition and control terminal supporting real-time reporting of household meter power failure information |
| CN113129517A (en) * | 2021-04-21 | 2021-07-16 | 国网河北省电力有限公司正定县供电分公司 | Intelligent sharing power supply metering box |
| CN114257972B (en) * | 2021-12-10 | 2023-06-02 | 南方电网数字电网科技(广东)有限公司 | Embedded 5G communication system and method for power terminal |
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