CN114792452A - Pre-payment electricity utilization system and method based on NB-Iot - Google Patents
Pre-payment electricity utilization system and method based on NB-Iot Download PDFInfo
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- CN114792452A CN114792452A CN202110095540.2A CN202110095540A CN114792452A CN 114792452 A CN114792452 A CN 114792452A CN 202110095540 A CN202110095540 A CN 202110095540A CN 114792452 A CN114792452 A CN 114792452A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/003—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity for electricity
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- G—PHYSICS
- G07—CHECKING-DEVICES
- 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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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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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
Abstract
The invention relates to a prepayment electric system and a prepayment electric system method based on NB-Iot, the system comprises a wireless prepayment electric management terminal, a prepayment cloud platform and a mobile phone APP debugging system, wherein the wireless prepayment electric management terminal is connected with the prepayment cloud platform through a telecom AEP platform, the wireless prepayment electric management terminal is used for realizing functions of electric metering, electric charge deduction, alarm control and data uploading of the AEP platform, the AEP platform pushes received instrument data to the prepayment cloud platform, and the prepayment cloud platform analyzes and processes the pushed data and sends an instruction to the wireless prepayment electric management terminal through the AEP platform. Compared with the prior art, the invention has the following advantages: the ammeter supports wireless uploading, so that the construction and installation period and cost are reduced; the mobile phone APP debugging system reduces complexity and difficulty of debugging work, and a user can independently complete the debugging work.
Description
Technical Field
The invention relates to the field of prepaid recharge systems, in particular to an NB-Iot-based prepaid electricity utilization system and method.
Background
The prepayment system is used as a basic system for managing the electric charge, and mainly realizes automatic electrification after payment and automatic outage when defaulting on the basis of an intelligent electric meter.
The existing prepayment scheme mainly comprises an RS485 prepayment ammeter terminal, an intermediate layer data gateway and a prepayment recharging system of a C/S framework. The RS485 prepayment electricity meter terminal is required to be connected to a middle layer data gateway through an RS485 bus, and the middle layer data gateway forwards data to a server. The problems brought by the traditional scheme include large engineering quantity, high construction cost, complex debugging work and the like.
The Chinese patent publication No. CN111798620A is searched to disclose an intelligent prepayment system and a prepayment method thereof, comprising a temperature and humidity module, a storage module, an electric charge prediction module, a power-saving strategy calculation module and a display module; the temperature and humidity module is used for measuring temperature and humidity signals in the environment where the intelligent ammeter is located; the storage module is connected with the temperature and humidity module and the intelligent ammeter and used for storing temperature and humidity signals and power consumption parameters acquired by the intelligent ammeter; the electric charge prediction module is used for predicting electric charge data in a preset time period according to the temperature and humidity signals and the power consumption parameters; the power saving strategy calculation module is used for predicting a power saving strategy in a preset time period according to the power consumption parameter and the temperature and humidity signal; the display module is used for displaying the electric charge data and the power saving strategy, and solves the technical problem that the existing prepayment system cannot provide electric charge prediction and electric charge saving strategies. However, the prior art still has the functions of inconvenient operation, low efficiency, incapability of realizing cloud query and the like.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a prepayment power utilization system and method based on NB-Iot.
The purpose of the invention can be realized by the following technical scheme:
according to one aspect of the invention, the system comprises a wireless prepayment electricity management terminal, a prepayment cloud platform and a mobile phone APP debugging system, wherein the wireless prepayment electricity management terminal is connected with the prepayment cloud platform through an AEP platform and is used for realizing functions of electricity metering, electricity fee deduction, alarm control and data uploading of the AEP platform, the AEP platform pushes received instrument data to the prepayment cloud platform, and the prepayment cloud platform analyzes and processes the pushed data and sends an instruction to the wireless prepayment electricity management terminal through the AEP platform.
As a preferred technical scheme, the system further comprises a mobile terminal APP debugging tool, which is used for registering the wireless prepaid electricity management terminal on the AEP platform and the prepaid cloud platform.
As a preferred technical solution, the use process of the mobile terminal APP debugging tool includes the following steps:
a1, scanning a two-dimensional code on a wireless prepaid power management terminal through an APP debugging tool to obtain an IMEI (International Mobile equipment identity) and an instrument serial number of an instrument module, and simultaneously configuring instrument basic information including a user number, a model number, a transformation ratio and an organization structure;
a2, after all wireless prepaid electricity management terminals are scanned into an APP debugging tool, directly exporting an instrument configuration list into an EXCEL document, and then importing the EXCEL document into a prepaid cloud platform;
step a3, and the prepaid cloud platform automatically goes to the AEP platform to register the meter.
As a preferred technical scheme, the system also comprises a terminal user self-service recharging query client used for the terminal user to query the use condition of the fee and pay the fee by self;
the terminal user self-service recharging query client is developed based on the H5 technology and can be embedded with WeChat public numbers and Payment treasures living numbers, wherein the payment operation is realized by butting JSAPI payment interfaces provided by WeChat, Payment treasures and Unionpay.
As a preferred technical solution, the usage flow of the terminal user self-service recharging query client includes:
b1, the terminal user enters the terminal user self-help recharging inquiry client through the WeChat public number or Paibao Living number of the concerned property;
b2, inputting the account and the password of the user, and inquiring the instrument under the name of the user;
and b3, selecting corresponding meter to carry out charging inquiry operation.
As a preferred technical scheme, the prepayment electricity management terminal comprises an MCU, a power supply module, a metering module, a wireless communication module, a key input module, an RS485 communication module, an infrared communication module, a display, an alarm indicator lamp, a DO control circuit and a magnetic latching relay control circuit, wherein the metering module comprises a metering chip, a current transformer and a voltage acquisition circuit;
the power module is used for supplying power to other modules, and the current transformer is used for supplying current signals to the metering chip;
the voltage sampling circuit obtains electricity at the rear end of the current transformer;
the wireless communication module is used for data communication with a platform or a gateway;
the display is used for displaying voltage, current and electricity consumption related electricity consumption information;
the alarm indicator lamp is used for outputting the prepayment state of the ammeter;
the key input module is used for inputting key information, and the MCU performs different operations according to related key values;
the RS485 communication module and the infrared communication module are used for enabling the electric meter to be communicated with 485 equipment and infrared equipment;
the DO control circuit is used for controlling the tripping of the breaker equipment to realize the power-off function;
the magnetic latching relay control circuit is used for realizing on-off in a meter;
the wireless communication module is NB-IOT.
According to another aspect of the present invention, there is provided a method of using the NB-Iot based prepaid power consumption system, the method including the steps of:
step 1, receiving and analyzing ammeter data;
step 2, meter reading data storage and statistics;
and 3, issuing a control instruction to the instrument.
As a preferred technical solution, the step 1 specifically comprises: the wireless prepayment electricity management terminal is connected with the AEP platform through the wireless communication module and uploads instrument data at regular time, the AEP platform directly pushes the instrument data to the prepayment cloud platform after receiving the instrument data, and the prepayment cloud platform analyzes and processes the pushed data.
As a preferred technical solution, the step 2 specifically comprises: the prepayment cloud platform receives the ammeter data pushed by the AEP platform and then stores the data into the database through analysis, the prepayment cloud platform temporarily stores the received meter reading data into the cache database, the prepayment cloud platform stores the data in the cache database into the database in a queue mode at regular time, and simple statistical pretreatment is carried out on the data while the database is stored so as to improve the query efficiency of later-period reports.
As a preferred technical solution, the step 3 specifically comprises:
step 3.1, the prepayment cloud platform translates the instruction into a hexadecimal message according to an agreed protocol, sends the command to the AEP platform by calling an instruction issuing interface of the AEP platform, and then waits for a return result;
step 3.2, the AEP platform serves as a middleware, an ammeter instruction is stored firstly, and the instruction is issued to the wireless prepayment electricity utilization management terminal after the ammeter is on line;
step 3.3, after the wireless prepayment electricity utilization management terminal receives the correct message instruction, uploading the corresponding loopback message to the AEP platform, and then pushing the loopback message of the electricity meter to the prepayment cloud platform by the AEP platform;
and 3.4, finally, analyzing and verifying that the returned message is correct by the prepayment cloud platform, namely, completing a complete flow of issuing the instruction.
Compared with the prior art, the invention has the following advantages:
1. the invention is realized through the cloud platform and the AEP platform, and greatly improves the convenience and the reliability of the system.
2. The electric meter supports wireless uploading, so that the construction and installation period and cost are reduced;
3. the mobile phone APP debugging system reduces complexity and difficulty of debugging work, and a user can independently complete the debugging work;
4. the terminal user self-service recharging query client is convenient for the terminal user to query the use condition of the fee and pay the fee by self, and simultaneously reduces the workload of background maintenance of property personnel;
5. the prepayment cloud platform receives the ammeter data pushed by the AEP platform and then stores the data into the database through analysis, in order to cope with high concurrency scenes, the high availability of the platform is provided, the platform can temporarily store the received meter reading data into the cache database, the data in the cache database is stored into the database in a queue mode by the platform at regular time, the data is simply counted and preprocessed while the database is stored, and the query efficiency of later reports is improved.
6. The prepayment platform translates the instruction into a hexadecimal message according to an agreed protocol, the instruction is sent to the AEP platform by calling an instruction issuing interface of the AEP platform, the prepayment platform can wait for a return result, the AEP platform is used as a middleware to firstly store an ammeter instruction, the instruction is issued to the ammeter after the ammeter is on-line, in order to ensure that the high real-time ammeter for communication can be set to be in a normal on-line mode, the ammeter can upload a corresponding return message to the AEP platform after receiving a correct message instruction, the AEP platform then pushes the return message of the ammeter to the prepayment platform, and finally the prepayment platform analyzes and verifies that the return message is correct, so that a complete flow for issuing the instruction is completed, the longest whole process is not more than ten seconds, and the prepayment platform is very efficient and rapid.
7. Through the IMEI and the instrument serial number of two-dimensional code acquisition instrument module on the APP debugging instrument scanning instrument, dispose instrument basic information such as house number, model, transformation ratio, organizational structure simultaneously. All the instruments can be directly exported into EXCEL documents after being scanned into an APP debugging tool, then the EXCEL documents are imported into a prepayment cloud platform, and meanwhile, the prepayment cloud platform can automatically go to an AEP platform to register the instruments, so that the convenience of user configuration is greatly improved.
Drawings
FIG. 1 is a flow chart of the data reception process of the prepaid electrical system of the present invention;
FIG. 2 is a flow chart of the command issue of the prepaid electric system of the present invention; (ii) a
FIG. 3 is a flowchart of the APP debug client processing of the present invention;
FIG. 4 is a flow chart of the customer self-service query recharge client usage of the present invention;
FIG. 5 is a flow chart of the prepaid power management terminal according to the present invention;
fig. 6 is a schematic view of a prepaid electricity management terminal according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
As shown in fig. 1, a prepayment power consumption system based on NB-Iot, this system include wireless prepayment power consumption management terminal, prepayment cloud platform and AEP platform, wireless prepayment power consumption management terminal pass through the AEP platform and connect prepayment cloud platform, wireless prepayment power consumption management terminal be used for realizing that power consumption measurement, charges of electricity are deducted, alarm control, data upload AEP platform function, the AEP platform with the instrument data propelling movement to prepayment cloud platform of receiving, prepayment cloud platform analysis handle the data of propelling movement and issue the instruction to wireless prepayment power consumption management terminal through the AEP platform.
The invention discloses a prepayment electricity utilization system method based on NB-Iot, which comprises the following steps:
step 1, receiving and analyzing ammeter data;
step 2, meter reading data storage and statistics;
and 3, issuing a control instruction to the instrument.
The step 1 specifically comprises: the wireless prepayment electricity management terminal is connected with the AEP platform through the communication module and uploads instrument data at regular time, the AEP platform directly pushes the instrument data to the prepayment cloud platform after receiving the instrument data, and the prepayment cloud platform analyzes and processes the pushed data.
The step 2 specifically comprises: the prepayment cloud platform receives the ammeter data pushed by the AEP platform and then stores the data in the database through analysis, the prepayment cloud platform temporarily stores the received meter reading data in the cache database, the prepayment cloud platform stores the data in the cache database in a queue mode at regular time, and simple statistical pretreatment is carried out on the data while the database is stored so as to improve the query efficiency of later reports.
As shown in fig. 2, the step 3 specifically includes:
step 3.1, the prepaid cloud platform translates the instruction into a hexadecimal message according to an agreed protocol, sends the command to the AEP platform by calling an instruction issuing interface of the AEP platform, and then waits for a return result of the prepaid cloud platform;
3.2, the AEP platform serves as a middleware, firstly, an ammeter instruction is stored, and the instruction is issued to the wireless prepayment electricity utilization management terminal after the ammeter is on line;
3.3, after the wireless prepayment electricity management terminal receives a correct message instruction, uploading a corresponding loopback message to the AEP platform, and then pushing the loopback message of the electricity meter to the prepayment cloud platform by the AEP platform;
and 3.4, finally, the prepayment cloud platform analyzes and verifies that the returned message is correct, and a complete flow of issuing the instruction is completed.
The instrument needs to be recharged to realize the prepayment function, a recharging instruction can be sent to the instrument according to the agreed communication protocol, and various control commands, parameter setting commands and the like can be issued at the same time. For example, the opening and closing instruction can be issued remotely through a prepaid platform, and the electricity price in an electricity meter can be modified.
The prepayment platform translates the instruction into hexadecimal messages according to an agreed protocol, the command is sent to the AEP platform by calling an instruction issuing interface of the AEP platform, then the prepayment platform waits for a return result, the AEP platform is used as a middleware to firstly store an ammeter instruction, the instruction is issued to the ammeter after the ammeter is on line, in order to ensure that the high real-time ammeter for communication is set to be in a constant on-line mode, the ammeter uploads a corresponding return message to the AEP platform after receiving a correct message instruction, the AEP platform then pushes the return message of the ammeter to the prepayment platform, and finally the prepayment platform analyzes and verifies that the return message is correct, namely a complete flow of issuing the instruction is completed. The whole process does not exceed ten seconds at most, and is very efficient and rapid.
As shown in fig. 3, the system further includes a mobile terminal APP debugging tool, which is used to register the wireless prepaid power management terminal on the AEP platform and the prepaid cloud platform.
The using process of the mobile terminal APP debugging tool comprises the following steps:
step 1, scanning a two-dimensional code on a wireless prepayment power consumption management terminal through an APP debugging tool to obtain an IMEI (international mobile equipment identity) and an instrument serial number of an instrument module, and configuring basic information of the instrument including a user number, a model, a transformation ratio and an organization structure;
step 2, after all wireless prepayment electricity management terminals are scanned into an APP debugging tool, directly exporting an instrument configuration list into an EXCEL document, and then importing the EXCEL document into a prepayment cloud platform;
and 3, simultaneously, the prepayment cloud platform automatically goes to the AEP platform to register the instrument.
In order to enable the meter to upload data to the platform, the meter is registered on the AEP platform, and an IMEI (International Mobile Equipment identity) number coded by a communication module is used in the process. Meanwhile, the meter is also registered in the prepayment platform, and the process needs to use the factory serial number of the meter to be associated with the AEP platform. In actual operation, the operation of registering the instrument on the AEP platform and the prepayment platform is complex, so that a mobile terminal debugging tool is designed.
Through the IMEI and the instrument serial number that two-dimensional code on the APP debugging instrument scanning instrument obtained the instrument module among the actual operation, dispose instrument basic information such as house number, model, transformation ratio, organizational structure simultaneously. All scan into APP debug after can directly derive into EXCEL document with instrument configuration manifest, then import into prepayment cloud platform, simultaneously prepayment cloud platform can go automatically AEP platform and register the instrument, very big side has improved the convenience of user configuration.
As shown in fig. 4, the system further includes a self-service recharging query client for the terminal user to query the usage of the fee and pay the fee by self.
The terminal user self-service recharging query client is developed based on the H5 technology and can be embedded with a WeChat public number and a Payment treasure life number, and the payment operation is realized by a JSAPI payment interface provided by butt joint of WeChat, Payment treasure and Unionpay.
The using process of the terminal user self-help recharging query client comprises the following steps:
step 1, a terminal user enters a self-service recharging query client through a WeChat public number or a Paibao living number of a concerned property;
step 2, inputting the account number and the password of the user, inquiring the instruments under the name of the user,
and 3, selecting a corresponding instrument to perform recharging query operation.
As shown in fig. 5 and 6, the prepaid electricity management terminal includes an MCU, a power module, a metering module, a wireless communication module, a key input, a 485 module, an infrared module, a display, an alarm indicator, a DO control circuit, and a magnetic latching relay control circuit, where the power module and the current transformer get electricity at an inlet end of the magnetic latching relay, the power is used to provide working power to other modules, and the current transformer is used to provide current signals to the metering chip; the voltage sampling circuit obtains electricity at the rear end of the mutual inductor; the wireless communication module is used for data communication with a platform or a gateway; the display is used for displaying voltage, current and electricity consumption related electricity consumption information, and the alarm indicator lamp is used for outputting prepayment states of the ammeter, such as arrearage, tripping and the like; the key input is used for inputting key information, and the MCU performs different operations according to related key values; the 485 module and the infrared module are used for enabling the electric meter to be communicated with the 485 device and the infrared device; the DO output is used for controlling the tripping of the breaker equipment to realize the power-off function; and the magnetic latching relay is used for realizing on-off in the meter.
The wireless communication mode is NB-IOT.
The MCU chooses the MCU to operate at 48 MHz based on ARM Cortex-M032 bit RISC core, high speed embedded memory (up to 128 bytes of flash and up to 16 kilobytes of SRAM), and a wide range of enhanced peripherals and I/O. All devices provide standard communication interfaces, up to two-way I2CS, two-way SPI and up to four-way USART, a USB full-speed device, a 12-bit ADC, 7 universal 16-bit timers and an advanced PWM timer.
The metering module circuit single three-phase ammeter respectively selects sharp energy micro RN82 8209C and RN7302 metering chips
The magnetic latching relay selects a macro-sending novel magnetic latching relay, and has rated voltage: 250V, rated current: 100A, electric shock capacity: 100A, action time: 20MS, withstand voltage: 4000V. Large capacity and excellent performance. The voltage sampling circuit is designed to get electricity at the rear end of the magnetic latching relay, the metering chip of the magnetic latching relay can collect voltage in a closed state, and the metering chip collects voltage of 0.0V in an open state of the magnetic latching relay. The design can effectively check whether the circuit is normally switched on and off.
The NB chip adopts BC28JA-02-STD of Shanghai Mobile communication. And the good communication between the instrument and the gateway and between the instrument and the platform can be realized.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a prepayment electric system based on NB-Iot, its characterized in that, this system includes wireless prepayment power consumption management terminal, prepayment cloud platform and cell-phone APP debug system, wireless prepayment power consumption management terminal pass through AEP platform and connect prepayment cloud platform, wireless prepayment power consumption management terminal be used for realizing that electricity consumption measurement, charges of electricity are deducted, alarm control, data upload AEP platform function, the AEP platform with the instrument data propelling movement to prepayment cloud platform of receiving, prepayment cloud platform analysis handle the data of propelling movement and send the instruction to wireless prepayment power consumption management terminal through the AEP platform.
2. The NB-Iot based prepaid electrical system according to claim 1, further comprising a mobile side APP commissioning tool for registering the wireless prepaid electrical management terminal in the AEP platform and the prepaid cloud platform.
3. The NB-Iot based prepaid electrical system according to claim 2, wherein the usage flow of the mobile terminal APP commissioning tool comprises the following steps:
a1, scanning a two-dimensional code on a wireless prepaid power management terminal through an APP debugging tool to obtain an IMEI (International Mobile equipment identity) and an instrument serial number of an instrument module, and simultaneously configuring instrument basic information including a user number, a model number, a transformation ratio and an organization structure;
a2, after all wireless prepaid electricity management terminals are scanned into an APP debugging tool, directly exporting an instrument configuration list into an EXCEL document, and then importing the EXCEL document into a prepaid cloud platform;
step a3, and the prepaid cloud platform automatically goes to the AEP platform to register the meter.
4. An NB-Iot based prepaid electric system according to claim 1, characterized in that the system further comprises an end user self-service charging inquiry client for the end user to inquire the charge usage and self-service payment of charge;
the terminal user self-service recharging query client is developed based on the H5 technology and can be embedded with WeChat public numbers and Payment treasures living numbers, wherein the payment operation is realized by butting JSAPI payment interfaces provided by WeChat, Payment treasures and Unionpay.
5. An NB-Iot based prepaid electrical system according to claim 4, wherein the end user self-service recharge inquiry client usage flow comprises:
b1, the terminal user enters the terminal user self-help recharging inquiry client through the WeChat public number or Paibao living number of the concerned property;
step b2, inputting the account and the password of the user, and inquiring the instrument under the name of the user;
and b3, selecting corresponding meter to carry out charging inquiry operation.
6. The NB-Iot-based prepayment electric system according to claim 1, wherein the prepayment electric management terminal comprises an MCU, a power supply module, a metering module, a wireless communication module, a key input module, an RS485 communication module, an infrared communication module, a display, an alarm indicator lamp, a DO control circuit and a magnetic latching relay control circuit, wherein the metering module comprises a metering chip, a current transformer and a voltage acquisition circuit;
the power module is used for supplying power to other modules, and the current transformer is used for supplying current signals to the metering chip;
the voltage sampling circuit obtains electricity at the rear end of the current transformer;
the wireless communication module is used for data communication with a platform or a gateway;
the display is used for displaying voltage, current and electricity consumption related electricity consumption information;
the alarm indicator light is used for outputting the prepayment state of the ammeter;
the key input module is used for inputting key information, and the MCU performs different operations according to related key values;
the RS485 communication module and the infrared communication module are used for enabling the electric meter to be communicated with 485 equipment and infrared equipment;
the DO control circuit is used for controlling the tripping of the breaker equipment to realize the power-off function;
the magnetic latching relay control circuit is used for realizing on-off in the meter;
the wireless communication module is NB-IOT.
7. A method of using the NB-Iot based prepaid electrical system of claim 1, comprising the steps of:
step 1, receiving and analyzing ammeter data;
step 2, meter reading data storage and statistics;
and 3, issuing a control instruction to the instrument.
8. The method according to claim 7, wherein the step 1 specifically comprises: the wireless prepayment electricity utilization management terminal is connected with the AEP platform through the wireless communication module and uploads instrument data at regular time, the AEP platform directly pushes the instrument data to the prepayment cloud platform after receiving the instrument data, and the prepayment cloud platform analyzes and processes the pushed data.
9. The method according to claim 7, wherein the step 2 specifically comprises: the prepayment cloud platform receives the ammeter data pushed by the AEP platform and then stores the data into the database through analysis, the prepayment cloud platform temporarily stores the received meter reading data into the cache database, the prepayment cloud platform stores the data in the cache database into the database in a queue mode at regular time, and simple statistical pretreatment is carried out on the data while the database is stored so as to improve the query efficiency of later-period reports.
10. The method according to claim 7, wherein the step 3 specifically comprises:
step 3.1, the prepaid cloud platform translates the instruction into a hexadecimal message according to an agreed protocol, sends the command to the AEP platform by calling an instruction issuing interface of the AEP platform, and then waits for a return result of the prepaid cloud platform;
step 3.2, the AEP platform serves as a middleware, an ammeter instruction is stored firstly, and the instruction is issued to the wireless prepayment electricity utilization management terminal after the ammeter is on line;
3.3, after the wireless prepayment electricity management terminal receives a correct message instruction, uploading a corresponding loopback message to the AEP platform, and then pushing the loopback message of the electricity meter to the prepayment cloud platform by the AEP platform;
and 3.4, finally, the prepayment cloud platform analyzes and verifies that the returned message is correct, and a complete flow of issuing the instruction is completed.
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