CN105528886B - A kind of safety long-distance radio meter register charge system - Google Patents
A kind of safety long-distance radio meter register charge system Download PDFInfo
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- CN105528886B CN105528886B CN201610065419.4A CN201610065419A CN105528886B CN 105528886 B CN105528886 B CN 105528886B CN 201610065419 A CN201610065419 A CN 201610065419A CN 105528886 B CN105528886 B CN 105528886B
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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
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- H—ELECTRICITY
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Abstract
A kind of safety long-distance radio meter register charge system, including：Intelligent electric meter,Data collector,Coordinator,Management system,Coordinator creates the wireless network with separate network mark,Network is added in data collector,Intelligent electric meter randomly selects a group key and Encryption Algorithm (A) from key and Encryption Algorithm matching list,Encryption for the first time is carried out to power information and generates power information frame,Data collector, which to power information frame encrypt for the second time, to be formed new power information frame and sends power information frame to coordinator,If data collector receives retransmission request frame and parses in frame comprising own net address,Then retransmit power information frame,Management system intercepts the time slot request of coordinator transmission,Distribute sending time slots,When sending time slots arrive,Coordinator starts to send power information frame after delay a period of time and terminates to send before time slot terminates,The power information frame that management system docking receives carries out decryption oprerations twice and obtains power information.
Description
Technical field
The present invention relates to safety long-distance meter reading charging fields, and in particular to a kind of safety long-distance radio meter register charge system.
Background technology
With the quickening of China's power grid intelligent construction process and the development of wireless sensor network technology, occur being permitted
Electric energy metering device and the remote meter reading charge system based on wireless sensor network in more, but on the one hand due to remote meter reading
The increase of data acquisition device and coordinator quantity in charge system, acquiring the data of upload constantly becomes huge, causes to lead to
Letter obstruction, loss of data leverage the accuracy, real-time and reliability of electric energy tariffing, on the other hand, due to electric at present
Energy table, the communication of data acquisition device and coordinator do not account for data transmission security mostly, and data are held in transmission process
It is easily stolen, distorts so that user, power supply unit suffer economic loss.
In order to meet the actual needs of electric system service, safety long-distance of the design based on wireless sensor network technology is copied
Meter charge system will be of great significance to.
Invention content
The present invention is to overcome the deficiencies in the prior art, provides a kind of intelligent remote wireless meter reading charge system.
The present invention solves its technical problem and is adopted the following technical scheme that：
A kind of safety long-distance radio meter register charge system, the system include：At least one intelligent electric meter, at least one data
Collector, at least one coordinator manage system, wherein：
The intelligent electric meter includes：Main controller module, for the control to intelligent electric meter modules；Power module,
For providing stable operating voltage, operating current for each module of intelligent electric meter；Memory module, for storing intelligent electric meter acquisition
The power information of the user arrived, the running parameter of intelligent electric meter and key and Encryption Algorithm matching list；Display module, for
Family shows the working condition and electricity consumption of intelligent electric meter, electricity charge balance amount information；Key-press module, between user and intelligent electric meter
Human-computer interaction；Fault detection module, the working condition for detecting intelligent electric meter modules；Alarm module, for intelligence
Ammeter occurs sending out alarm prompt sound when abnormal conditions；Anti-theft module, the anti-theft module include intelligent electric meter package detection list
Member and Intelligent ammeter box open detection unit send out alarm when judging that ammeter encapsulation or electricity box are opened by Alarm Unit；
Data acquisition module includes voltage, electric current, power, frequency, power factor (PF), phase angle and the electric energy of consumption number for acquiring
According to power information；Encrypting module, for power information to be uploaded to be encrypted；Wireless transport module, for that will encrypt
Power information afterwards uploads to the data collector belonging to intelligent electric meter and receives information from affiliated data collector；
The data collector includes：Main controller module, the control for the modules to data collector；Wirelessly
Transmission module, for receive intelligent electric meter transmission power information and be uploaded to coordinator and from coordinator receive information and under
It is sent to intelligent electric meter；Memory module is matched for storing power information, the information that coordinator issues and key with Encryption Algorithm
Table；Encrypting module, for the power information received to be encrypted；
The coordinator includes：Main controller module, the control for the modules to coordinator；It is wirelessly transferred mould
Block, for receive data collector transmission power information and be uploaded to management system and from management system receive information and under
It is sent to data collector；Memory module, the information issued for storing power information and management system；
The management system includes：Main controller module, the control for the modules to managing system；Wireless transmission
Module, power information for receiving coordinator transmission and to photos and sending messages under coordinator；Deciphering module, for decrypting reception
Encryption information；Database module, for storing information；Display module is monitored, the information of all intelligent electric meters of real-time display is used for；
Charging module carries out charging for the electricity consumption to intelligent electric meter；Short message module is related for sending electricity charge information to user
Short message；
After the coordinator starts, the wireless network with separate network mark is created, the network identity is management system
Under unified central planning to set, the data collector obtains the network identity of the coordinator, sends and network request order, the coordination is added
Device sends addition network response command after receiving addition network request order, and data collector receives addition network response and orders
Confirmation message is returned to coordinator, coordinator receives after confirmation message as data collector with distributing unique network after order
Location, and the network address is sent to data collector and network identity and network address are sent to management system, number
Network address and network identity are updated according to collector, management system is corresponding with the network address of data collector by network identity
It is stored in database module；
After the network that coordinator is established is added in data collector, the data collector periodic broadcast network address of itself,
Intelligent electric meter obtains and preserves the network address of the data collector, and sends to data collector and identified comprising intelligent electric meter
The connection request of information, data collector preserve the identification information of intelligent electric meter and return to successful connection response letter to intelligent electric meter
Breath；The main controller module of intelligent electric meter obtains the power information of acquisition from data acquisition module, and power information is sent to and is added
Close module is encrypted, and ciphering process is：The key and encryption that the main controller module of intelligent electric meter is stored from memory module
A group key and Encryption Algorithm A are randomly selected in algorithmic match table, and first time encryption is carried out to power information；Then, main control
Device module generates power information frame, the frame include the network address of data collector, the identification information of intelligent electric meter, selection one
The mark and first time encrypted power information of group key and Encryption Algorithm A in matching list, and control wireless transport module
Power information frame is uploaded to the data collector belonging to intelligent electric meter；After data collector receives power information frame, pass through
The network address for the data collector for including in the frame getting frame is parsed, the identification information of intelligent electric meter such as judges that this uses telecommunications
Breath frame is that its affiliated intelligent electric meter is sent, then power information frame is preserved, if it is not, then abandoning the frame, then, data collector
Main controller module randomly selects a group key from the key and Encryption Algorithm matching list stored in memory module and encryption is calculated
Method B carries out second to the power information frame of preservation and encrypts, and adds network mark before second of encrypted power information frame
Mark of the group key and Encryption Algorithm B for knowledge and selection in matching list forms new power information frame；
The channel communicated with data collector is divided into multiple subchannels by the coordinator, and by multiple subchannel
Multiple data collectors are distributed to, can be shared by multiple data collectors per sub-channels, on a data collector needs
When passing new power information frame, the state of the subchannel of the data collector is distributed in first detection, if the subchannel is in numerous
Busy condition, then the data collector enters delay transmission state and continues to detect sub-channel, if the subchannel is in empty
Not busy state then sends to coordinator transmission data and asks, when the data that data collector receives coordinator return send permission
After message, starting to send power information frame, coordinator receives after power information frame to data collector feeding back ACK information,
After data send the period, coordinator generates retransmission request frame, retransmission request frame packet according to the reception condition of power information frame
The channel resource of network address and re-transmission power information frame containing the data collector for needing to retransmit power information frame, coordinator
The retransmission request frame is broadcasted, includes itself when data collector receives the retransmission request frame and parses in the retransmission request frame
When network address, the re-transmission of power information frame is carried out according to the channel resource of distribution；Coordinator parses the power information received
The network identity for including in frame getting frame such as judges that the power information frame is that its affiliated data collector is sent, then preserves use
Power information frame, if it is not, then abandoning the frame；
The time slot request that management system intercepts coordinator transmission is each after the time slot request for receiving each coordinator
A coordinator distributes data sending time slots, generates and broadcast transmission time slot responses frame, the sending time slots response frame include coordinator
Network identity and corresponding sending time slots, each coordinator after receiving sending time slots response frame, parsing obtain itself net
Network identifies corresponding sending time slots, and when sending time slots arrive, coordinator started to send power information frame simultaneously after delay a period of time
Transmission is terminated in advance before sending time slots terminate；The main controller module of management system receives the use that wireless transport module is sent
Mark of the group key and Encryption Algorithm for power information frame, parsing acquisition network identity and data collector selection in matching list
Know B and control deciphering module and second of encrypted power information frame is decrypted, obtains network address, the intelligence of data collector
The mark and first time encrypted use of the identification information of energy ammeter, the group key and Encryption Algorithm A of selection in matching list
Power information, and control deciphering module and decrypted to encrypted power information for the first time, obtains power information, and by network identity, number
According in the power information storage to database module after the network address of collector, the identification information of intelligent electric meter and decryption；
Main controller module reads the power information of all users, control monitoring display module real-time display intelligence electricity from database module
The electricity charge of user are calculated according to the power information of user for the power information of table, main controller module, control short message module
The short message for including electricity charge information is sent to user.
The intelligent electric meter, data collector, coordinator and manage system main controller module use embedded place
Device is managed, there is ARM7 kernels.
The intelligent electric meter package detection unit that the anti-theft module includes opens inspection using pressure sensor, Intelligent ammeter box
It surveys unit and uses infrared sensor, when carrying out illegal operation to ammeter encapsulation or electricity box, pressure sensor or infrared sensor
It can perceive immediately and alarm is sent out by Alarm Unit.
The data collector and the coordinator transmission data after having acquired data advance into dormant state.
Good effect caused by the present invention is：Intelligent electric meter collection in the system is measured, detection, alerted, safety is encrypted,
Communication, control are integrated, and the informationization, automation and network management for effectively raising power grid are horizontal.The data of system are adopted
Storage forms the wireless sensor network of a self-organizing with coordinator, and between data collector and coordinator, association
It adjusts design between device and management system to use efficient transmission mechanism, effectively avoids due to caused by number of devices increase
Data transmission conflict ensure that the accuracy and promptness of system acquisition data, and management system being capable of all intelligence of real-time display
The operating status of ammeter, and charge information is provided in time for user, the management level of power supply unit is effectively provided.
Description of the drawings
Fig. 1 is a kind of structural principle block diagram of safety long-distance radio meter register charge system of the present invention.
Fig. 2 is the structure diagram of intelligent electric meter in the present invention.
Fig. 3 is the structure diagram of data collector, coordinator in the present invention.
Fig. 4 is the structure diagram that system is managed in the present invention.
Fig. 5 is the flow chart that system wireless transmitting network data transmits in the present invention.
Specific implementation mode
Below by way of specific implementation mode, and in conjunction with attached drawing, the invention will be further described.
Referring to Fig. 1, for a kind of structural principle block diagram of intelligent remote wireless meter reading charge system of the present invention, the system packet
It includes：The system includes：At least one intelligent electric meter 100, at least one data collector 200, at least one coordinator 300, pipe
Reason system 400, the data collector 200 connect and manage at least one intelligent electric meter 100, and the coordinator 300 connects simultaneously
At least one data collector 200 is managed, management system 400 connects and manages at least one coordinator 300.
Referring to Fig. 2, for the structure diagram of intelligent electric meter in the present invention, the intelligent electric meter 100 includes：Main controller module
101, for the control to intelligent electric meter modules；Power module 102, for providing stable work for each module of intelligent electric meter
Make voltage, operating current；Memory module 103, for storing the power information of the collected user of intelligent electric meter, intelligent electric meter
Running parameter and key and Encryption Algorithm matching list；Display module 104, for user show intelligent electric meter working condition with
And electricity consumption, electricity charge balance amount information；Key-press module 105, for the human-computer interaction between user and intelligent electric meter；Fault detection module
106, the working condition for detecting intelligent electric meter modules；Alarm module 107, when there are abnormal conditions for intelligent electric meter
Send out alarm prompt sound；Anti-theft module 108, the anti-theft module include that intelligent electric meter package detection unit and Intelligent ammeter box are opened
Detection unit is opened, alarm is sent out by Alarm Unit when judging that ammeter encapsulation or electricity box are opened；Data acquisition module 109,
For acquiring the power information for including voltage, electric current, power, frequency, power factor (PF), phase angle and the energy data of consumption；
Encrypting module 110, for power information to be uploaded to be encrypted；Wireless transport module 111 is used for encrypted electricity consumption
Information uploads to the data collector belonging to intelligent electric meter and receives information from affiliated data collector；
Referring to Fig. 3, for the structure diagram of data collector, coordinator in the present invention.The data collector 200 includes：
Main controller module 201, the control for the modules to data collector 200；Wireless transport module 202, for receiving
The power information of intelligent electric meter transmission is simultaneously uploaded to coordinator and receives information from coordinator 300 and be issued to intelligent electric meter
100；Memory module 203, for storing power information, the information that coordinator 300 issues and key and Encryption Algorithm matching list；Add
Close module 204, for the power information received to be encrypted；The coordinator 300 includes：Main controller module 301 is used
In the control of the modules to coordinator 200；Wireless transport module 302, for receive data collector transmission use telecommunications
It ceases and is uploaded to management system and receive information from management system and be issued to data collector；Memory module 303, for depositing
The information that storage power information and management system issue.
Referring to Fig. 4, to manage the structure diagram of system in the present invention.The management system 400 includes：Main controller module
401, the control for the modules to managing system 400；Wireless transport module 402, for receiving the transmission of coordinator 300
Power information and to photos and sending messages under coordinator；Deciphering module 403, for decrypting the encryption information received；Database module
404, for storing information；Display module 405 is monitored, the information for all intelligent electric meters of real-time display 100；Charging module
406, carry out charging for the electricity consumption to intelligent electric meter 100；Short message module 407, for sending electricity charge information phase to user
The short message of pass.
Referring to Fig. 5, the flow chart transmitted for system wireless transmitting network data in the present invention.The coordinator 300 starts
Afterwards, the wireless network with separate network mark is created, the network identity is that management system 400 configures, and the data are adopted
Storage 200 obtains the network identity of the coordinator 300, sends and network request order is added, and the coordinator 300, which receives, to be added
Addition network response command is sent after entering network request command, it is backward that data collector 200 receives addition network response command
Coordinator 300 returns to confirmation message, and coordinator 300 receives and distributes unique network for data collector 200 after confirmation message
Address, and the network address is sent to data collector 200 and network identity and network address are sent to management system
System 400, data collector 200 update network address and network identity, manage system 400 by network identity and data collector
200 network address correspondence is stored in database module 404；
After the network that coordinator 300 is established is added in data collector 200,200 periodic broadcast of data collector itself
Network address, intelligent electric meter 100 obtains and preserves the network address of the data collector 200, and is sent out to data collector 200
The connection request for including 100 identification information of intelligent electric meter, data collector 200 is sent to preserve the identification information of intelligent electric meter 100 simultaneously
Successful connection response message is returned to intelligent electric meter 100；The main controller module 101 of intelligent electric meter 100 is from data acquisition module
109 obtain the power information of acquisition, and power information is sent to encrypting module 110 and is encrypted, ciphering process is：Intelligent electric meter
100 main controller module 101 randomly selected from the key and Encryption Algorithm matching list stored in memory module 103 one group it is close
Key and Encryption Algorithm A carry out first time encryption to power information；Then, main controller module 101 generates power information frame, should
Frame include the network address of data collector 200, the identification information of intelligent electric meter 100, selection a group key and Encryption Algorithm A
Mark in matching list and first time encrypted power information, and controlling wireless transport module 111 will be on power information frame
Pass to the data collector 200 belonging to intelligent electric meter 100；It, should by parsing after data collector 200 receives power information frame
The network address for the data collector 200 for including in frame getting frame, the identification information of intelligent electric meter 100 such as judge that this uses telecommunications
Breath frame is that its affiliated intelligent electric meter is sent, then power information frame is preserved, if it is not, then abandoning the frame, then, data collector
200 main controller module 201 randomly selected from the key and Encryption Algorithm matching list stored in memory module 203 one group it is close
Key and Encryption Algorithm B carry out second to the power information frame of preservation and encrypt, and before second of encrypted power information frame
The mark of addition network identity and the group key and Encryption Algorithm B of selection in matching list forms new power information frame；
The channel communicated with data collector 200 is divided into multiple subchannels by the coordinator 300, and will be multiple
Subchannel distribution gives multiple data collectors 200, can be shared by multiple data collectors 200 per sub-channels, when a data
When collector 200 needs to upload new power information frame, the state of the subchannel of the data collector 200 is distributed in first detection,
If the subchannel is in busy state, which enters delay transmission state and continues to detect subchannel shape
State sends to 300 transmission data of coordinator and asks if the subchannel is in idle condition, when data collector 200 receives
The data returned to coordinator 300 are sent after allowing message, start to send power information frame, coordinator 300, which receives, uses telecommunications
To 200 feeding back ACK information of data collector after breath frame, after data send the period, coordinator is according to power information frame
Reception condition, generates retransmission request frame, and retransmission request frame includes to need with retransmitting the network of the data collector of power information frame
Location and the channel resource for retransmitting power information frame, coordinator broadcasts the retransmission request frame, when data collector receives the re-transmission
Claim frame simultaneously parses in the retransmission request frame when including itself network address, is carried out using telecommunications according to the channel resource of distribution
Cease the re-transmission of frame；The network identity for including in the power information frame getting frame that coordinator parsing receives, such as judges that this uses telecommunications
Breath frame is that its affiliated data collector 200 is sent, then power information frame is preserved, if it is not, then abandoning the frame；
Management system 400 intercepts the time slot request of the transmission of coordinator 300, in the time slot request for receiving each coordinator
Afterwards, it is that each coordinator distributes data sending time slots, generates and broadcast transmission time slot responses frame, the sending time slots response frame include
The network identity of coordinator and corresponding sending time slots, after receiving sending time slots response frame, parsing obtains each coordinator 300
The corresponding sending time slots of body network identity are derived from, when sending time slots arrive, coordinator 300 starts upper hair after postponing a period of time
Power transmission information frame simultaneously terminates in advance transmission before sending time slots terminate；The main controller module 401 of management system 400 receives wirelessly
The power information frame that transmission module 402 is sent, parsing obtain network identity and data collector selection a group key and
Mark B of the Encryption Algorithm in matching list simultaneously controls deciphering module 403 second of encrypted power information frame is decrypted, and obtains
Take the network address of data collector 200, the identification information of intelligent electric meter 100, selection a group key and Encryption Algorithm A
With the mark and first time encrypted power information in table, and deciphering module 403 is controlled to encrypted power information for the first time
Decryption obtains power information.
In conclusion the intelligent electric meter collection in the present invention system can measure, detect, alerting, safety encryption, communication,
Control function between data collector and coordinator, uses efficient secure transport mechanism, has between coordinator and management system
Effect avoids the accuracy and promptness that ensure that system acquisition data due to equipment room data transmission conflict, manages system
It is capable of the operating status of all intelligent electric meters of real-time display, and charge information is provided in time for user, power supply unit is effectively provided
Management level, the informationization, automation and network management for effectively raising power grid are horizontal, there is good application prospect.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification made by within refreshing and principle, equivalent replacement and improvement etc., should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of safety long-distance radio meter register charge system, the system include：At least one intelligent electric meter (100) is at least one
Data collector (200), at least one coordinator (300), management system (400), wherein：
The intelligent electric meter (100) includes：Main controller module (101), for the control to intelligent electric meter modules；Power supply
Module (102), for providing stable operating voltage, operating current for each module of intelligent electric meter；Memory module (103), is used for
Store the power information of the collected user of intelligent electric meter, the running parameter of intelligent electric meter and key and Encryption Algorithm matching list；
Display module (104), working condition from intelligent electric meter to user and electricity consumption for showing, electricity charge balance amount information；Button mould
Block (105), for the human-computer interaction between user and intelligent electric meter；Fault detection module (106), it is each for detecting intelligent electric meter
The working condition of module；Alarm module (107), sends out alarm prompt sound when there are abnormal conditions for intelligent electric meter；Antitheft mould
Block (108), the anti-theft module includes intelligent electric meter package detection unit and Intelligent ammeter box open detection unit, when judging
Alarm is sent out by Alarm Unit when ammeter encapsulates or electricity box are opened；Data acquisition module (109), for acquire comprising voltage,
Electric current, power, frequency, power factor (PF), the power information of phase angle and the energy data of consumption；Encrypting module (110), is used for
Power information to be uploaded is encrypted；Wireless transport module (111), for encrypted power information to be uploaded to intelligence
Data collector belonging to ammeter and receive information from affiliated data collector；
The data collector (200) includes：Main controller module (201), for the modules to data collector (200)
Control；Wireless transport module (202), power information for receiving intelligent electric meter transmission are simultaneously uploaded to coordinator and from association
It adjusts device (300) to receive information and is issued to intelligent electric meter (100)；Memory module (203), for storing power information, coordinator
(300) information and key issued and Encryption Algorithm matching list；Encrypting module (204), for the power information to receiving into
Row encryption；
The coordinator (300) includes：Main controller module (301), the control for the modules to coordinator (200)；
Wireless transport module (302), power information for receiving data collector transmission are simultaneously uploaded to management system and from management
System receives information and is issued to data collector；Memory module (303) is issued for storing power information and management system
Information；
The management system (400) includes：Main controller module (401), the control for the modules to management system (400)
System；Wireless transport module (402), power information for receiving coordinator (300) transmission and to photos and sending messages under coordinator；Solution
Close module (403), for decrypting the encryption information received；Database module (404), for storing information；Monitor display module
(405), it is used for the information of all intelligent electric meters of real-time display (100)；Charging module (406), for intelligent electric meter (100)
Electricity consumption carries out charging；Short message module (407), for sending the relevant short message of electricity charge information to user；
After the coordinator (300) starts, the wireless network with separate network mark is created, the network identity is management system
System (400) configuration, the data collector (200) obtains the network identity of the coordinator (300), sends addition network and asks
Addition network response command, data collector are sent after asking order, the coordinator (300) to receive addition network request order
(200) it receives and returns to confirmation message to coordinator (300) after network response command is added, coordinator (300) receives confirmation
Unique network address is distributed for data collector (200) after information, and the network address is sent to data collector
(200) and by network identity and network address it is sent to management system (400), data collector (200) updates network address
And network identity, management system (400) are stored in data by network identity is corresponding with the network address of data collector (200)
In library module (404)；
After the network that coordinator (300) is established is added in data collector (200), data collector (200) periodic broadcast itself
Network address, intelligent electric meter (100) obtains and preserves the network address of the data collector (200), and is acquired to data
Device (200) sends the connection request for including intelligent electric meter (100) identification information, and data collector (200) preserves intelligent electric meter
(100) identification information simultaneously returns to successful connection response message to intelligent electric meter (100)；The master controller of intelligent electric meter (100)
Module (101) obtains the power information of acquisition from data acquisition module (109), and power information is sent to encrypting module (110)
It is encrypted, ciphering process is：The main controller module (101) of intelligent electric meter (100) stores close from memory module (103)
A group key and Encryption Algorithm (A) are randomly selected in key and Encryption Algorithm matching list, and first time encryption is carried out to power information；With
Afterwards, main controller module (101) generates power information frame, which includes the network address of data collector (200), intelligent electric meter
(100) mark and first time encrypted use of the group key and Encryption Algorithm (A) for identification information, selection in matching list
Power information, and control wireless transport module (111) and power information frame is uploaded to data collector belonging to intelligent electric meter (100)
(200)；After data collector (200) receives power information frame, by parsing the data collector for including in the frame getting frame
(200) network address, the identification information of intelligent electric meter (100) such as judge that the power information frame is its affiliated intelligent electric meter hair
It send, then preserves power information frame, if it is not, the frame is then abandoned, then, the main controller module (201) of data collector (200)
A group key and Encryption Algorithm (B) are randomly selected from the key and Encryption Algorithm matching list stored in memory module (203), it is right
The power information frame of preservation carries out second and encrypts, and before second of encrypted power information frame addition network identity and
Mark of the group key and Encryption Algorithm (B) for selection in matching list forms new power information frame；
The channel communicated with data collector (200) is divided into multiple subchannels by the coordinator (300), and will be multiple
Subchannel distribution gives multiple data collectors (200), can be shared by multiple data collectors (200) per sub-channels, when one
When data collector (200) needs to upload new power information frame, the subchannel of the data collector (200) is distributed in first detection
State, if the subchannel is in busy state, the data collector (200) enter delay transmission state simultaneously continue to detect
Sub-channel sends to coordinator (300) transmission data and asks, when data are adopted if the subchannel is in idle condition
After storage (200) receives the data transmission permission message of coordinator (300) return, start to send power information frame, coordinator
(300) coordinate after data send the period to data collector (200) feeding back ACK information after receiving power information frame
Device generates retransmission request frame according to the reception condition of power information frame, and retransmission request frame includes to need to retransmit power information frame
The network address of data collector and the channel resource for retransmitting power information frame, coordinator broadcast the retransmission request frame, work as number
The retransmission request frame is received according to collector and is parsed in the retransmission request frame when including itself network address, according to distribution
Channel resource carries out the re-transmission of power information frame；The network mark for including in the power information frame getting frame that coordinator parsing receives
Know, such as judges that the power information frame is that its affiliated data collector (200) sends, then power information frame is preserved, if it is not, then losing
Abandon the frame；
Management system (400) intercepts the time slot request of coordinator (300) transmission, in the time slot request for receiving each coordinator
Afterwards, it is that each coordinator distributes data sending time slots, generates and broadcast transmission time slot responses frame, the sending time slots response frame include
The network identity of coordinator and corresponding sending time slots, each coordinator (300) is after receiving sending time slots response frame, parsing
The corresponding sending time slots of itself network identity are obtained, when sending time slots arrive, coordinator (300) starts after delay a period of time
It sends power information frame and terminates in advance transmission before sending time slots terminate；The main controller module (401) of management system (400) connects
The power information frame that wireless transport module (402) is sent is received, parsing obtains the one of network identity and data collector selection
Mark (B) in matching list of group key and Encryption Algorithm simultaneously controls deciphering module (403) to second of encrypted power information
Frame is decrypted, obtain data collector (200) network address, intelligent electric meter (100) identification information, selection one group it is close
The mark and first time encrypted power information of key and Encryption Algorithm (A) in matching list, and it is right to control deciphering module (403)
Encrypted power information decryption for the first time, obtains power information, and by network identity, data collector (200) network address,
The identification information of intelligent electric meter (100) and the power information after decryption are stored into database module (404)；Master controller mould
Block (401) reads the power information of all users, control monitoring display module (405) real-time display from database module (404)
The electricity of user is calculated according to the power information of user for the power information of intelligent electric meter (100), main controller module (401)
Take, control short message module (407) sends the short message for including electricity charge information to user.
2. the system as claimed in claim 1, wherein the intelligent electric meter (100), data collector (200), coordinator
(300) and the main controller module (101,201,301,401) of management system (400) uses embeded processor, has
ARM7 kernels.
3. the system as claimed in claim 1, wherein the intelligent electric meter package detection unit that the anti-theft module (108) includes
Infrared sensor is used using pressure sensor, Intelligent ammeter box open detection unit, it is non-when being carried out to ammeter encapsulation or electricity box
When method operates, pressure sensor or infrared sensor can perceive and send out alarm by Alarm Unit immediately.
4. the system as claimed in claim 1, wherein the data collector (200) and coordinator (300) are acquiring data
Transmission data advances into dormant state afterwards.
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| CN106100842A (en) * | 2016-06-22 | 2016-11-09 | 广西咪付网络技术有限公司 | A kind of dynamic encryption and decryption method and system |
| CN106535341A (en) * | 2016-11-24 | 2017-03-22 | 北京必创科技股份有限公司 | Big data transmission method of wireless sensor network |
| WO2018094685A1 (en) * | 2016-11-25 | 2018-05-31 | 瑞斯康微电子（深圳）有限公司 | Data transmission method based on lora wireless communication, and relay |
| CN109714291A (en) * | 2017-10-25 | 2019-05-03 | 普天信息技术有限公司 | A kind of data transmission method and device |
| CN108513293A (en) * | 2018-03-15 | 2018-09-07 | 河北师范大学 | A kind of security protection system of wireless sensor network |
| CN108986440B (en) * | 2018-09-27 | 2020-07-17 | 深圳友讯达科技股份有限公司 | Multi-network fusion meter reading system and address allocation method of meter reading system |
| CN110519008A (en) * | 2019-07-31 | 2019-11-29 | 国网江苏省电力有限公司电力科学研究院 | Wireless sensor network data transmission method and device, readable storage medium storing program for executing |
| CN111275953B (en) * | 2020-01-17 | 2024-05-03 | 杭州海兴电力科技股份有限公司 | Power equipment communication system and method based on intelligent terminal |
| CN112291782B (en) * | 2020-09-29 | 2022-08-12 | 杭州海兴电力科技股份有限公司 | CIU data synchronization method, split type electric energy meter and electric energy meter network |
| CN113055463B (en) * | 2021-03-10 | 2022-09-02 | 北京中兆龙芯软件科技有限公司 | Electric power synchronous meter reading method and meter reading device |
| CN114567490B (en) * | 2022-03-03 | 2023-04-25 | 清华大学 | Power data transmission method, system and transfer device |
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