CN112614323A - Electric energy meter with intranet switches function - Google Patents

Electric energy meter with intranet switches function Download PDF

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Publication number
CN112614323A
CN112614323A CN202011373291.0A CN202011373291A CN112614323A CN 112614323 A CN112614323 A CN 112614323A CN 202011373291 A CN202011373291 A CN 202011373291A CN 112614323 A CN112614323 A CN 112614323A
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China
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electric energy
module
energy meter
communication
communication module
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Granted
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CN202011373291.0A
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CN112614323B (en
Inventor
李平
李蓬
钟文涛
邹宇鹏
辛春青
盖鹏宇
张煜
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State Grid Corp of China SGCC
Binzhou Power Supply Co of State Grid Shandong Electric Power Co Ltd
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State Grid Corp of China SGCC
Binzhou Power Supply Co of State Grid Shandong Electric Power Co Ltd
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Priority to CN202011373291.0A priority Critical patent/CN112614323B/en
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    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00Arrangements for measuring time integral of electric power or current, e.g. electricity meters
    • G01R22/06Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
    • G01R22/061Details of electronic electricity meters
    • G01R22/063Details of electronic electricity meters related to remote communication
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07FCOIN-FREED OR LIKE APPARATUS
    • G07F15/00Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
    • G07F15/003Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity for electricity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/02Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • H04L67/025Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/14Session management
    • H04L67/141Setup of application sessions
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/30Smart metering, e.g. specially adapted for remote reading

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Power Engineering (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The invention provides an electric energy meter with an intranet switching function, which comprises a mainboard, wherein an electric energy metering chip, a processor, a wireless communication module, an Ethernet communication module and a communication state setting module are arranged on the mainboard; the wireless communication module is used for being in communication connection with a meter reading system of an external power supply company; the method comprises the steps that power utilization information of a user is transmitted to an external meter reading system of a power supply company at regular time; the Ethernet communication module is connected with a network port and used for establishing a local intranet for communication with a property server; transmitting the electricity utilization information of the user to a property server at a set time every month; the communication state setting module is used for setting the internet access state of internal communication to be an effective state at the set time of each month; so that the electric energy meter receives data transmission through the internet access of the property server; and also for setting the portal status of the intercom to the invalid status at a non-set time of each month.

Description

Electric energy meter with intranet switches function
Technical Field
The invention relates to the technical field of electric energy meter design, in particular to an electric energy meter with an intranet switching function.
Background
The electric energy meter is the instrument that is used for measuring electric energy consumption in the circuit, along with the progress of science and technology, the functional and intelligent level of current electric energy meter improves gradually, like wireless meter reading, carrier communication and 485 communication function etc. of electric energy meter, however, in the in-service use process, the mode of checking meter and the charge mode of different districts are different, thereby it produces the late fee to lead to some users not in time to pay the charges of electricity, especially, old person's communication tool uses infrequently, more will appear this kind of condition. The property of district is as service mechanism, for the owner provides service, through designing the transformation to the electric energy meter, makes the property pay in time the warning of charges of electricity to the owner and can avoid the condition emergence of the loss that the owner produced because can not in time pay.
Disclosure of Invention
The electric energy meter is designed and modified, so that the property can timely remind the owner of paying the electric charge, the loss caused by the fact that the owner cannot pay the electric charge timely can be avoided, and the electric energy meter with the intranet switching function is provided.
The technical scheme of the invention is as follows:
an electric energy meter with an intranet switching function comprises a mainboard, wherein an electric energy metering chip, a processor, a wireless communication module, an Ethernet communication module and a communication state setting module are arranged on the mainboard;
the electric energy metering chip, the wireless communication module and the Ethernet communication module are respectively connected with the processor;
the wireless communication module is used for being in communication connection with a meter reading system of an external power supply company; the method comprises the steps that power utilization information of a user is transmitted to an external meter reading system of a power supply company at regular time;
the Ethernet communication module is connected with a network port and used for establishing a local intranet for communication with a property server; transmitting the electricity utilization information of the user to a property server at a set time every month;
the communication state setting module is used for setting the internet access state of internal communication to be an effective state at the set time of each month; so that the electric energy meter receives data transmission through the internet access of the property server; and also for setting the portal status of the intercom to the invalid status at a non-set time of each month.
The electric energy meter is provided with the Ethernet module to carry out intranet connection in the community, so that the property receives power consumption information of the user at regular time, the user is informed of paying in time, and the condition of paying late fees is avoided.
Preferably, the communication state setting module is further configured to set the internet access state of the internal communication to an invalid state after the electric energy meter transmits the data to the property server. In order to save resources, the intranet in the cell is normally in a disconnected state, the intranet is set to be connected only when the power supply company carries out monthly settlement, and the property server receives the electricity consumption information of the user owner and timely reminds the user.
Preferably, the mainboard is further provided with a communication state monitoring module, the communication state monitoring module is used for monitoring whether the wireless communication module and the Ethernet communication module are normal or not, and if the wireless communication module is abnormal in communication, information is output to the communication state setting module;
the communication state setting module is used for setting the network port used for external access into an effective state when the communication abnormality of the wireless communication module is received, so that the electric energy meter receives and manages the network port used for power supply company access; and the wireless communication module is also used for setting the internet access used for external access into an invalid state when the communication of the wireless communication module is recovered to be normal.
The electric energy meter is also provided with a communication state monitoring module for monitoring the state of the wireless communication module, when the wireless communication is abnormal, the power supply company can not receive the power utilization information of the user in time, the network port of the Ethernet module is set to be in an outer network management mode, namely, the network port for external access is set to be in an effective state, so that the data of the electric energy meter is transmitted to a meter reading system of the power supply company through the Ethernet for external access in real time, and the real-time and accurate transmission of the data is ensured.
Preferably, the electric energy meter further comprises a human-computer interaction module and a storage module;
the human-computer interaction module and the storage module are respectively in communication connection with the processor;
the man-machine interaction module comprises an LCD display screen and keys; the LCD display screen and the keys are respectively in communication connection with the processor.
The maintenance personnel can check the condition of the electric energy meter through the man-machine interaction module in real time and can set the electric energy meter through the keys.
Preferably, the electric energy meter further comprises a temperature sensor;
the temperature sensor is connected with the processor and used for monitoring the temperature in the electric energy meter at regular time and transmitting the monitored temperature to the processor;
and the processor is used for reading a pre-stored original calibration value corresponding to the temperature when receiving the temperature transmitted by the temperature sensor, inputting the received temperature and the original calibration value into the training model to calculate a new calibration value at the temperature, inputting the calculated calibration value into the correction register of the electric energy metering chip, and covering the corresponding original calibration value of the correction register of the electric energy metering chip. The electric energy meter realizes temperature compensation through the detection of the temperature, namely, the calculation of the calibration value of the correction register is carried out through the detected temperature, and the accuracy of the electric energy meter is realized through the temperature compensation during the subsequent electric energy calculation.
Preferably, the electric energy meter further comprises a current acquisition module and a voltage acquisition module; the current acquisition module and the voltage acquisition module are respectively connected with the electric energy metering chip; the electric energy metering chip is used for calculating the received voltage signal and current signal, converting the voltage signal and the current signal into an electric energy signal after being calibrated by the correction register and transmitting the electric energy signal to the processor after covering the corresponding original calibration value of the correction register of the electric energy metering chip;
the processor performs accumulated calculation on the electric energy signals and stores the electric energy signals in the storage module. When the electric energy metering chip is used for electric energy calculation, the electric energy is output to the processor for electric energy accumulation calculation after the calibration of the calibration register calibration value, so that the actual electric energy deviation of the electric energy meter is reduced, and the fairness and reasonability of electricity utilization are improved.
Preferably, the electric energy meter further comprises a power supply module and an alarm indicator light, wherein the power supply module comprises a main battery and a standby battery, and the main battery is connected with the standby battery through a switching circuit; the electric energy meter is used for switching to a standby battery to supply power to the electric energy meter when the electric quantity of the main battery is low or abnormal, and outputting information to the alarm indicator lamp to prompt the abnormality of the main battery;
the main battery is also connected with the backup battery through a charging circuit and used for charging the backup battery.
In order to enable the electric energy meter to work uninterruptedly, a main battery and a standby battery are arranged to supply power to the electric energy meter in a standby mode, and the real-time accuracy of meter reading is improved.
Preferably, the electric energy meter further comprises a program version detection module, wherein the program version detection module is used for detecting the version of the application program of the electric energy meter, judging whether the current version is the latest version, and compiling the target file of the application program of the electric energy meter to the specified initial address of the corresponding storage subspace if the current version is not the latest version; and storing the upgrading file of the electric energy meter application program to be upgraded in the upgrading area corresponding to the storage chip for upgrading.
In order to ensure the high efficiency of the work of the electric energy meter, the application version of the application program of the electric energy meter is detected at regular time, and the application program of the electric energy meter is ensured to be the latest version all the time.
According to the technical scheme, the invention has the following advantages: the electric energy meter is provided with the Ethernet module to carry out intranet connection in the community, so that the property receives power consumption information of the user at regular time, the user is informed of paying in time, and the condition of paying late fees is avoided. In order to save resources, the intranet in the cell is normally in a disconnected state, the intranet is set to be connected only when the power supply company carries out monthly settlement, and the property server receives the electricity consumption information of the user owner and timely reminds the user.
In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Therefore, compared with the prior art, the invention has prominent substantive features and remarkable progress, and the beneficial effects of the implementation are also obvious.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic connection block diagram of an electric energy meter according to an embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides an electric energy meter with an intranet switching function, including a motherboard, where the motherboard is provided with an electric energy metering chip, a processor, a wireless communication module, an ethernet communication module, and a communication state setting module;
the electric energy metering chip, the wireless communication module and the Ethernet communication module are respectively connected with the processor;
the wireless communication module is used for being in communication connection with a meter reading system of an external power supply company; the method comprises the steps that power utilization information of a user is transmitted to an external meter reading system of a power supply company at regular time;
the Ethernet communication module is connected with a network port and used for establishing a local intranet for communication with a property server; transmitting the electricity utilization information of the user to a property server at a set time every month;
the communication state setting module is used for setting the internet access state of internal communication to be an effective state at the set time of each month; so that the electric energy meter receives data transmission through the internet access of the property server; and also for setting the portal status of the intercom to the invalid status at a non-set time of each month.
The electric energy meter is provided with the Ethernet module to carry out intranet connection in the community, so that the property receives power consumption information of the user at regular time, the user is informed of paying in time, and the condition of paying late fees is avoided.
In some embodiments, the communication state setting module is further configured to set the internet access state of the internal communication to an invalid state after the electric energy meter transmits the data to the property server. In order to save resources, the intranet in the cell is normally in a disconnected state, the intranet is set to be connected only when the power supply company carries out monthly settlement, and the property server receives the electricity consumption information of the user owner and timely reminds the user.
It should be noted that, a communication state monitoring module is further arranged on the motherboard, and the communication state monitoring module is used for monitoring whether the wireless communication module and the ethernet communication module are normal or not, and outputting information to the communication state setting module if the wireless communication module is abnormal in communication;
the communication state setting module is used for setting the network port used for external access into an effective state when the communication abnormality of the wireless communication module is received, so that the electric energy meter receives and manages the network port used for power supply company access; and the wireless communication module is also used for setting the internet access used for external access into an invalid state when the communication of the wireless communication module is recovered to be normal.
The electric energy meter is also provided with a communication state monitoring module for monitoring the state of the wireless communication module, when the wireless communication is abnormal, the power supply company can not receive the power utilization information of the user in time, the network port of the Ethernet module is set to be in an outer network management mode, namely, the network port for external access is set to be in an effective state, so that the data of the electric energy meter is transmitted to a meter reading system of the power supply company through the Ethernet for external access in real time, and the real-time and accurate transmission of the data is ensured.
Monitoring network port information of the electric energy meter, and actively reporting network port related information when monitoring that a network port is abnormal, wherein the network port information of the electric energy meter is monitored; comparing the monitored network port information with the pre-stored network port information, and actively reporting the network port related information when the network port state is abnormal. However, in order to avoid the problem that the electric energy information of the electric energy meter cannot be uploaded to the intranet due to network faults, a time threshold set at intervals can be set to monitor the state of the internet access.
When the state of the wireless communication module is monitored, data communication is carried out through communication connection with the wireless communication module, when return information is not received within a set time range, the wireless communication module is judged to be abnormal, the state of a network port for internal communication is determined to be set to be in a failure state, and a network port for external access is set to be in an effective state, so that the electric energy meter receives an external access signal through the network port for external access to carry out data transmission management.
The method comprises the steps of monitoring whether a wireless communication module is recovered to be normal or not in real time, setting a network port for external access to be in an invalid state if the wireless communication module is recovered to be normal, recovering the wireless communication module to be normal and receiving an internal network port switching instruction, setting the network port state for internal communication to be in an effective state and setting the network port for external access to be in the invalid state.
In some embodiments, the electric energy meter further comprises a human-computer interaction module and a storage module;
the human-computer interaction module and the storage module are respectively in communication connection with the processor;
the man-machine interaction module comprises an LCD display screen and keys; the LCD display screen and the keys are respectively in communication connection with the processor.
The maintenance personnel can check the condition of the electric energy meter through the man-machine interaction module in real time and can set the electric energy meter through the keys.
In some embodiments, the electric energy meter further comprises a temperature sensor;
the temperature sensor is connected with the processor and used for monitoring the temperature in the electric energy meter at regular time and transmitting the monitored temperature to the processor;
and the processor is used for reading a pre-stored original calibration value corresponding to the temperature when receiving the temperature transmitted by the temperature sensor, inputting the received temperature and the original calibration value into the training model to calculate a new calibration value at the temperature, inputting the calculated calibration value into the correction register of the electric energy metering chip, and covering the corresponding original calibration value of the correction register of the electric energy metering chip. The electric energy meter realizes temperature compensation through the detection of the temperature, namely, the calculation of the calibration value of the correction register is carried out through the detected temperature, and the accuracy of the electric energy meter is realized through the temperature compensation during the subsequent electric energy calculation.
It should be noted that the electric energy meter further comprises a current collecting module and a voltage collecting module; the current acquisition module and the voltage acquisition module are respectively connected with the electric energy metering chip; the electric energy metering chip is used for calculating the received voltage signal and current signal, converting the voltage signal and the current signal into an electric energy signal after being calibrated by the correction register and transmitting the electric energy signal to the processor after covering the corresponding original calibration value of the correction register of the electric energy metering chip;
the processor performs accumulated calculation on the electric energy signals and stores the electric energy signals in the storage module. When the electric energy metering chip is used for electric energy calculation, the electric energy is output to the processor for electric energy accumulation calculation after the calibration of the calibration register calibration value, so that the actual electric energy deviation of the electric energy meter is reduced, and the fairness and reasonability of electricity utilization are improved.
In some embodiments, the electric energy meter further comprises a power supply module and an alarm indicator light, wherein the power supply module comprises a main battery and a backup battery, and the main battery is connected with the backup battery through a switching circuit; the electric energy meter is used for switching to a standby battery to supply power to the electric energy meter when the electric quantity of the main battery is low or abnormal, and outputting information to the alarm indicator lamp to prompt the abnormality of the main battery;
the main battery is also connected with the backup battery through a charging circuit and used for charging the backup battery.
In order to enable the electric energy meter to work uninterruptedly, a main battery and a standby battery are arranged to supply power to the electric energy meter in a standby mode, and the real-time accuracy of meter reading is improved.
In some embodiments, the electric energy meter further includes a program version detection module, which is configured to detect a version of an application program of the electric energy meter, determine whether a current version is a latest version, and if not, compile a target file of the application program of the electric energy meter to a specified start address of a corresponding storage subspace; and storing the upgrading file of the electric energy meter application program to be upgraded in the upgrading area corresponding to the storage chip for upgrading.
In order to ensure the high efficiency of the work of the electric energy meter, the application version of the application program of the electric energy meter is detected at regular time, and the application program of the electric energy meter is ensured to be the latest version all the time.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (8)

1. An electric energy meter with an intranet switching function is characterized by comprising a mainboard, wherein an electric energy metering chip, a processor, a wireless communication module, an Ethernet communication module and a communication state setting module are arranged on the mainboard;
the electric energy metering chip, the wireless communication module and the Ethernet communication module are respectively connected with the processor;
the wireless communication module is used for being in communication connection with a meter reading system of an external power supply company; the method comprises the steps that power utilization information of a user is transmitted to an external meter reading system of a power supply company at regular time;
the Ethernet communication module is connected with a network port and used for establishing a local intranet for communication with a property server; transmitting the electricity utilization information of the user to a property server at a set time every month;
the communication state setting module is used for setting the internet access state of internal communication to be an effective state at the set time of each month; so that the electric energy meter receives data transmission through the internet access of the property server; and also for setting the portal status of the intercom to the invalid status at a non-set time of each month.
2. The electric energy meter with the intranet switching function according to claim 1, wherein the communication state setting module is further configured to set a portal state of the internal communication to an invalid state after the electric energy meter transmits data to the property server.
3. The electric energy meter with the intranet switching function according to claim 2, wherein the motherboard is further provided with a communication state monitoring module, the communication state monitoring module is used for monitoring whether the wireless communication module and the ethernet communication module are normal, and if the wireless communication module is abnormal in communication, information is output to the communication state setting module;
the communication state setting module is used for setting the network port used for external access into an effective state when the communication abnormality of the wireless communication module is received, so that the electric energy meter receives and manages the network port used for power supply company access; and the wireless communication module is also used for setting the internet access used for external access into an invalid state when the communication of the wireless communication module is recovered to be normal.
4. The electric energy meter with the intranet switching function according to claim 3, wherein the electric energy meter further comprises a man-machine interaction module and a storage module;
the human-computer interaction module and the storage module are respectively in communication connection with the processor;
the man-machine interaction module comprises an LCD display screen and keys; the LCD display screen and the keys are respectively in communication connection with the processor.
5. The electric energy meter with intranet switching function according to claim 4, further comprising a temperature sensor;
the temperature sensor is connected with the processor and used for monitoring the temperature in the electric energy meter at regular time and transmitting the monitored temperature to the processor;
and the processor is used for reading a pre-stored original calibration value corresponding to the temperature when receiving the temperature transmitted by the temperature sensor, inputting the received temperature and the original calibration value into the training model to calculate a new calibration value at the temperature, inputting the calculated calibration value into the correction register of the electric energy metering chip, and covering the corresponding original calibration value of the correction register of the electric energy metering chip.
6. The electric energy meter with the intranet switching function according to claim 5, wherein the electric energy meter further comprises a current collection module and a voltage collection module; the current acquisition module and the voltage acquisition module are respectively connected with the electric energy metering chip; and the calibration value is used for covering the corresponding original calibration value of the correction register of the electric energy metering chip, and the electric energy metering chip calculates the received voltage signal and current signal, converts the voltage signal and the current signal into electric energy signals after being calibrated by the correction register and transmits the electric energy signals to the processor.
7. The electric energy meter with the intranet switching function according to claim 5, wherein the electric energy meter further comprises a power module and an alarm indicator light, the power module comprises a main battery and a backup battery, and the main battery is connected with the backup battery through a switching circuit; the electric energy meter is used for switching to a standby battery to supply power to the electric energy meter when the electric quantity of the main battery is low or abnormal, and outputting information to the alarm indicator lamp to prompt the abnormality of the main battery;
the main battery is also connected with the backup battery through a charging circuit and used for charging the backup battery.
8. The electric energy meter with the intranet switching function according to claim 5, wherein the electric energy meter further comprises a program version detection module, the program version detection module is used for detecting the version of the application program of the electric energy meter, judging whether the current version is the latest version, and if not, compiling the target file of the application program of the electric energy meter to the specified start address of the corresponding storage subspace; and storing the upgrading file of the electric energy meter application program to be upgraded in the upgrading area corresponding to the storage chip for upgrading.
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