CN108881808A - A kind of near-field communication interconnecting device and meter reading management method - Google Patents
A kind of near-field communication interconnecting device and meter reading management method Download PDFInfo
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- CN108881808A CN108881808A CN201710321811.5A CN201710321811A CN108881808A CN 108881808 A CN108881808 A CN 108881808A CN 201710321811 A CN201710321811 A CN 201710321811A CN 108881808 A CN108881808 A CN 108881808A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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Abstract
The invention discloses a kind of near-field communication interconnecting device and meter reading management methods, including near field communication module, for receiving the near-field-communication signal of external near field communication equipment transmission, and be converted into the first digital signal and be sent to authentication module, the second digital signal of autonomous control device was converted into near-field-communication signal and was sent to external near field communication equipment future；First digital signal, if the authentication is passed, is sent to master controller for authenticating to external near-field communication equipment by authentication module；Master controller, for detecting whether needing to be forwarded between external near-field communication equipment and external concentrator；Power carrier communication module is sent to master controller for the power carrier signal from external concentrator to be converted into the second digital signal, and future, the first digital signal of autonomous control device was sent to concentrator.When the present invention can communicate failure between concentrator and main website, the electricity consumption data safeguarded and pass through the quick copy reading ammeter of concentrator is carried out to concentrator.
Description
Technical field
The present invention relates to near-field communication (NFC, Near Field Communication) and technical field of electric power, especially relate to
And a kind of near-field communication interconnecting device and meter reading management method.
Background technique
Traditional electricity meter-reading is mostly to copy access evidence by being manually timed to scene, can not only expend a large amount of manpower money
Source, and all there is many shortcomings in the real-time of data, accuracy.With China's electric network reconstruction and electric power business
Change operation, demand of the State Power Corporation to more efficient power remote meter reading system is established becomes very urgent.
As shown in Figure 1, existing power remote meter reading system mainly by main website, concentrator, collector, ordinary electric meter and
Intelligent electric meter is constituted, and ordinary electric meter is connected to the collector in building by RS485 bus, and collector and intelligent electric meter pass through electricity
Powerline carrier communication (PLC) mode is communicatively coupled with concentrator；Concentrator passes through GPRS (General Packet Radio
Service) bidirectional data transfers are realized in wireless telecommunications etc. between modes and main website.Concentrator is the core cell of whole system,
It can receive main website order, successively copy and accept and store the electricity consumption data of each collector or intelligent electric meter, and transfer data to
Main website carries out data processing.
However, meter reader must climb and then to concentration when the communication line between concentrator and main website breaks down
Device singly carries out copy reading.Many concentrators may be filled below a usual distribution transformer, if one by one
Ground carries out copy reading to concentrator, very time-consuming and laborious.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of near-field communication interconnecting device and meter reading management method,
When can communicate failure between concentrator and main website, the quickly and easily electricity consumption data of copy reading concentrator.
In order to reach the object of the invention, what the technical solution of the embodiment of the present invention was realized in：
The embodiment of the invention provides a kind of near-field communication interconnecting devicies, including near field communication module, authentication module, master control
Device processed, power carrier communication module, wherein
The near field communication module leads near field for receiving the near-field-communication signal of external near field communication equipment transmission
Letter signal is converted into the first digital signal and is sent to authentication module；Future, the second digital signal of autonomous control device was converted into closely
Field signal of communication is simultaneously sent to external near field communication equipment；
The authentication module is used for according to first digital signal and pre-stored authentication information, to external near field
Communication equipment is authenticated, if the authentication is passed, first digital signal is sent to master controller；
The master controller, for when detecting to need the first digital signal being transmitted to external concentrator, by first
Digital signal is sent to power carrier communication module；And it is detecting to need the second digital signal being transmitted to external near field communication
When equipment, the second digital signal is sent near field communication module；
The power carrier communication module, for the power carrier signal from external concentrator to be converted into the second number
Signal is simultaneously sent to master controller, and the first digital signal of autonomous control device in future is sent to external concentrator.
Further, the near-field communication interconnecting device further includes routing module, for storing concentrator routing table information；
The master controller is specifically used for：The content for detecting first digital signal, if it is route signal is obtained, then
The routing iinformation of routing module is obtained, and routing iinformation is sent to the near field communication module；Believe if not routing is obtained
Number, first digital signal is transmitted to the power carrier communication module；
Detect whether second digital signal is routing iinformation, if it is routing iinformation, is then stored in routing iinformation
In the routing module；If not routing iinformation, then second digital signal is transmitted to the near field communication module；
The near field communication module is also used to, and the routing iinformation that the master controller is sent is converted into near-field-communication signal
And it is sent to the external near field communication equipment.
Further, the master controller is also used to, and periodically obtains the routing table information of the concentrator.
Further, the content of first digital signal includes the routing table information for obtaining the concentrator, obtains institute
It states the parameter information of concentrator, the parameter information of the configuration concentrator and obtains meter reading data；Second digital signal
Content includes the parameter configuration of the routing table information of the concentrator, the parameter information of the concentrator, the concentrator
And meter reading data.
Further, the power carrier communication module is also used to, and receives the power carrier letter that external smart ammeter is sent
Number, described first for being converted into second digital signal and being sent to the master controller, and the master controller being sent
Digital signal is sent to external smart ammeter.
The embodiment of the invention also provides a kind of meter reading management methods, include the following steps：
Near-field communication interconnecting device receives the near-field-communication signal that external near field communication equipment is sent；
Received near-field-communication signal is converted into the first digital signal by the near-field communication interconnecting device, according to the first number
Word signal and pre-stored authentication information authenticate the external near field communication equipment；
If the authentication is passed, detect whether to need the first digital signal being transmitted to external concentrator；
It is transmitted to external concentrator if necessary, then is turned the first digital signal by the power line carrier, PLC interface of itself
Issue external concentrator；
The near-field communication interconnecting device receives the electric power that external concentrator is sent by the power line carrier, PLC interface
Carrier signal, and the power carrier signal is converted into the second digital signal, it detects whether to need to turn the second digital signal
Issue external near field communication equipment；
It is transmitted to external near field communication equipment if necessary, then the second digital signal is transmitted to external near field communication and set
It is standby.
Further, it is described detect whether to need the step of the first digital signal is transmitted to external concentrator after,
The method also includes：If the content of first digital signal is to obtain concentrator routing table, the near-field communication switching
Equipment obtains the concentrator routing table information of itself storage, and the concentrator routing table information is sent to the external near field
Communication equipment.
Further, it detects whether to need the step of the second digital signal is transmitted to external near field communication equipment described
Later, the method also includes：If the content of second digital signal is concentrator routing table information, the near field is logical
Believe that interconnecting device stores concentrator routing table information.
Further, further include before the method：The near-field communication interconnecting device periodically obtains and stores institute
State the routing table information of concentrator.
Technical solution of the present invention has the advantages that：
Near-field communication interconnecting device provided by the invention and meter reading management method, by using near-field communication interconnecting device
Power line carrier, PLC interface is connected with existing concentrator, when the communication between concentrator and main website is broken down, only needs
External near field communication equipment close contact near-field communication interconnecting device is used, concentrator can be safeguarded and be passed through
The electricity consumption data of the quick copy reading ammeter of concentrator, it is time saving and energy saving.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of existing power remote meter reading system；
Fig. 2 is the structural schematic diagram of power remote meter reading system of the invention；
Fig. 3 is a kind of structural schematic diagram of near-field communication interconnecting device of first embodiment of the invention；
Fig. 4 is a kind of structural schematic diagram of near-field communication interconnecting device of second embodiment of the invention；
Fig. 5 is a kind of flow diagram of meter reading management method of the embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature can mutual any combination.
As shown in Fig. 2, a kind of power remote meter reading system according to the present invention, including near-field communication equipment, near-field communication
Interconnecting device, concentrator, collector, ordinary electric meter and intelligent electric meter, ordinary electric meter are connected in building by RS485 bus
Collector, collector and intelligent electric meter pass through (or other communications such as RS485 bus of power line carrier communication (PLC) mode
Mode) it is communicatively coupled with concentrator；Concentrator between plc communication interface and near-field communication interconnecting device by being connected with each other
(intelligent electric meter can also be directly connected with each other between near-field communication interconnecting device by plc communication interface), near-field communication is set
Standby pass through realizes two-way communication between NFC communication interface and near-field communication interconnecting device.Pass through turning for near-field communication interconnecting device
Hair, near-field communication equipment can read or be arranged the information such as configuration parameter or the electricity consumption data of each concentrator (and intelligent electric meter).
It is worth noting that i.e. power line carrier is believed since distribution transformer has barrier action to power line carrier signal
Number each collection that can only be transmitted, therefore be connected under a near-field communication interconnecting device in a distribution transformer regional scope
Middle device is respectively positioned in a distribution transformer regional scope.
As shown in figure 3, a kind of near-field communication interconnecting device according to the present invention, including near field communication module, authentication module,
Master controller and power carrier communication module, wherein
The near field communication module leads near field for receiving the near-field-communication signal of external near field communication equipment transmission
Letter signal is converted into the first digital signal and is sent to authentication module；Future, the second digital signal of autonomous control device was converted into closely
Field signal of communication is simultaneously sent to external near field communication equipment；
It should be noted that near-field communication (NFC, Near Field Communication) is a kind of nothing of short distance high frequency
Line power technology is run in 10 cm distances in 13.56MHz frequency, transmission speed have 106Kbit/ seconds, 212Kbit/ seconds or
Three kinds of person's 424Kbit/ second.Currently, NFC by become 18092 international standard of ISO/IEC IS, EMCA-340 standard with
102190 standard of ETSITS, and be widely used.NFC is evolved by contact-free formula RF identification (RFID), and backward compatible
RFID.NFC technique finds or matches without being configured in advance to two equipment being connected, mutually, and only needs two equipment
Connection can be established fast automaticly close to a certain distance, eliminate the existing wireless communications technology such as WiFi, bluetooth
Equivalent process is matched in search.
In an embodiment of the present invention, the external near field communication equipment includes information reading module, and the information is read
Modulus block is used for from near-field communication interconnecting device, reads the letter such as parameter configuration, meter reading data, routing iinformation of concentrator
Breath.
In an alternative embodiment of the invention, the external near field communication equipment includes that information reading module and information are written
Module, the information reading module are used for from near-field communication interconnecting device, read parameter configuration, the meter reading number of concentrator
According to information such as, routing iinformations；The information writing module is used to that the concentrator to be configured to be written by near-field communication interconnecting device
The information such as parameter configuration.
In an alternative embodiment of the invention, the external near field communication equipment (can have for the card with NFC function
Read-only authority and/or meter reading permission), (mobile phone is equipped with meter reading software, has access limit and/or copies for mobile phone with NFC function
Table permission) or it is other with NFC function control equipment (control equipment have user interface, have access limit and/or meter reading
Permission) etc..
The authentication module, for logical to external near field according to first digital signal and pre-stored authentication information
Letter equipment is authenticated, if the authentication is passed, first digital signal is sent to master controller；
Further, if authentication is not over by the discarding of received first digital signal.The authentication is not led to
The case where crossing include：The external near field communication equipment is not provided with permission or meter reading permission, the external near field communication equipment
User name or password mistake of input etc..
The master controller, for when detecting to need the first digital signal being transmitted to external concentrator, by first
Digital signal is sent to power carrier communication module；And it is detecting to need the second digital signal being transmitted to external near field communication
When equipment, the second digital signal is sent near field communication module；
Further, the content of first digital signal includes obtaining concentrator routing table information, obtaining concentrator ginseng
Number information, configuration concentrator parameter information, acquisition meter reading data etc..
Usually, if the content of the first digital signal is to obtain concentrator parameter information, configuration concentrator parameter letter
Breath obtains the contents such as meter reading data, and master controller is required to the first digital signal being sent to power carrier communication module, and leads to
Power carrier communication module forwards are crossed to external concentrator or intelligent electric meter.In this manner it is ensured that near-field communication interconnecting device
The concentrator parameter information or meter reading data of offer are real-time latest data.
Further, the content of second digital signal includes concentrator routing table information, concentrator parameter information, collection
Middle device parameter configuration, meter reading data etc..
Usually, if the content of the second digital signal is concentrator parameter information, concentrator parameter configuration, copies
The contents such as table data, master controller are required to for the second digital signal to be sent near field communication module, and pass through near-field communication mould
Block is transmitted to external near-field communication equipment.
The power carrier communication module, for the power carrier signal from external concentrator to be converted into the second number
Signal is simultaneously sent to master controller, and the first digital signal of autonomous control device in future is sent to external concentrator.
Further, the power carrier communication module is also used to, and receives the power carrier letter that external smart ammeter is sent
Number, it is converted into the second digital signal and is sent to master controller, and the first digital signal that master controller is sent is sent to outside
Portion's intelligent electric meter.
Further, as shown in figure 4, the near-field communication interconnecting device further includes routing module, for storing concentrator
Routing table information；
The master controller is specifically used for：The content for detecting the first digital signal is then obtained if it is route signal is obtained
The routing iinformation of routing module, and routing iinformation is sent near field communication module；If not route signal is obtained, by first
Digital signal is transmitted to power carrier communication module；
Detect whether the second digital signal is routing iinformation, if it is routing iinformation, then routing iinformation is stored in routing
In module；If not routing iinformation, then the second digital signal is transmitted near field communication module；
The near field communication module is also used to, and it is concurrent that the routing iinformation that master controller is sent is converted into near-field-communication signal
Give external near field communication equipment.
Further, the master controller is also used to, and periodically obtains concentrator routing table information.
As shown in figure 5, a kind of meter reading management method according to the present invention, includes the following steps：
Step 501：Near-field communication interconnecting device receives the near-field-communication signal that external near field communication equipment is sent；
In an embodiment of the present invention, the near-field-communication signal that the external near field communication equipment is sent includes reading collection
Middle device parameter information, obtains meter reading data, obtains the information such as concentrator routing table information configuration concentrator parameter information.
Step 502：Received near-field-communication signal is converted into the first digital signal, root by the near-field communication interconnecting device
According to the first digital signal and pre-stored authentication information, the external near field communication equipment is authenticated；
Step 503：If the authentication is passed, detect whether to need the first digital signal being transmitted to external concentrator；
Further, the method also includes：If authentication is not over by the discarding of received first digital signal.
The authentication not over the case where include：The external near field communication equipment is not provided with permission or meter reading permission, described
User name or password mistake of the input of external near field communication equipment etc..
Step 504：It is transmitted to external concentrator if necessary, then is counted by the power line carrier, PLC interface of itself by first
Word signal is transmitted to external concentrator；
Usually, if the content of the first digital signal is to obtain concentrator parameter information, configuration concentrator parameter letter
Contents, the near-field communication interconnecting devicies such as breath, acquisition meter reading data are required to the first digital signal being sent to external concentration
Device.In this manner it is ensured that concentrator parameter information or meter reading data that near-field communication interconnecting device provides are real-time newest number
According to.
Further, the method also includes：If the content of the first digital signal is to obtain concentrator routing table, described
Near-field communication interconnecting device obtains the concentrator routing table information of itself storage, and the concentrator routing table information is sent to
External near field communication equipment.
Step 505：The near-field communication interconnecting device receives external concentrator hair by the power line carrier, PLC interface
The power carrier signal sent, and the power carrier signal is converted into the second digital signal, it detects whether to need the second number
Word signal is transmitted to external near field communication equipment；
Further, the content of second digital signal includes concentrator routing table information, concentrator parameter information, collection
Middle device parameter configuration, meter reading data etc..
Usually, if the content of the second digital signal is concentrator parameter information, concentrator parameter configuration, copies
The contents such as table data, the near-field communication interconnecting device are required to the second digital signal being transmitted to external near field communication equipment.
Further, the method also includes：If the content of second digital signal is concentrator routing table information,
Then the near-field communication interconnecting device stores concentrator routing table information.
Step 506：It is transmitted to external near field communication equipment if necessary, then the second digital signal is transmitted to external near field
Communication equipment.
Further, in step 504, the method also includes：First digital signal is sent to external smart ammeter；
In step 505, the method also includes：The near-field communication interconnecting device receives what external smart ammeter was sent
Power carrier signal is converted into the second digital signal.
Further, before step 501, the method also includes：The near-field communication interconnecting device periodically obtains
It takes and stores concentrator routing table information.
Below with reference to several preferred embodiments, the present invention is further expalined, it will be appreciated that this is preferably
Embodiment is intended merely to preferably describe the present invention, does not constitute and improperly limits the present invention.
Preferred embodiment 1 (near-field communication interconnecting device obtains concentrator routing table)
Step a) near-field communication interconnecting device powers on, and obtains the information (self-discovery of concentrator automatically by plc communication interface
Function), and saved in a manner of routing table.
Preferred embodiment 2 (user obtains concentrator routing table)
Step b) user inputs the routing iinformation to be obtained and mentions on the user interface of external near-field communication equipment
It hands over, after message is converted, external near field communication equipment close contact near-field communication interconnecting device；
After step c) near-field communication interconnecting device is connected to message, message conversion, authentication, authentication is not by abandoning directly then；
After the authentication is passed, the electronic card information that oneself existing routing iinformation, which is converted into NFC, to be identified sends external near field to
Communication equipment；
Step d) external near field communication equipment receives NFC electronic card information, is converted into the message that user can identify, opens up
Show on external near-field communication equipment.
Preferred embodiment 3 (obtains concentrator parameter information)
Step e) user inputs the concentrator parameter to be obtained letter on the user interface of external near-field communication equipment
It ceases and submits, after message is converted, external near field communication equipment close contact near-field communication interconnecting device；
After step f) near-field communication interconnecting device is connected to message, message conversion, authentication authenticates and does not pass through, then directly abandons；
After the authentication is passed, the message that will acquire is converted, and is transmitted to concentrator by plc communication interface；
After step g) concentrator obtains message, it will acquire concentrator parameter information and be packaged progress message conversion, then send
Give near-field communication interconnecting device；
Step h) near-field communication interconnecting device receives the message of concentrator, is converted into the electronic card that NFC can be identified
Information sends external near field communication equipment to；
Step i) external near field communication equipment receives NFC electronic card information, is converted into the message that user can identify, opens up
Show on external near-field communication equipment.
Preferred embodiment 4 (configuration concentrator parameter information)
Step j) user inputs the concentrator parameter to be configured letter on the user interface of external near-field communication equipment
It ceases and submits, after message is converted, external near field communication equipment close contact near-field communication interconnecting device；
After step k) near-field communication interconnecting device is connected to message, message conversion, authentication authenticates and does not pass through, then directly abandons
Or refusal (if this equipment only reads permission or usemame/password mistake, authenticate and do not pass through)；It, will after the authentication is passed
The message got is converted, and is transmitted to concentrator by plc communication interface；
After step l) concentrator obtains message, concentrator parameter information is carried out using setting, then returning response success
Or failed message gives near-field communication interconnecting device；
Step m) near-field communication interconnecting device receives the message of concentrator, is converted into the electronic card that NFC can be identified
Information sends external near field communication equipment to；
Step n) external near field communication equipment receives NFC electronic card information, is converted into the message that user can identify, opens up
Show on external near-field communication equipment.
Preferred embodiment 5 (smart meter reading)
For step o) user on the user interface of external near-field communication equipment, the parameter information of copy reading ammeter is wanted in input
And submit, wherein comprising concentrator belonging to ammeter in the parameter information, after message is converted, external near field communication is set
Standby close contact near-field communication interconnecting device；
After step p) near-field communication interconnecting device is connected to message, message conversion, authentication authenticates and does not pass through, then directly abandons
Or refusal (if this equipment does not have copy reading permission, authenticate and do not pass through)；After the authentication is passed, the message that will acquire is turned
It changes, concentrator is transmitted to by plc communication interface；
After step q) concentrator obtains message, parameter information is converted, is then forwarded to corresponding ammeter；
Step r) ammeter carries out response, and messaging is to concentrator；
After step s) concentrator obtains message, ammeter message is subjected to packing conversion, is then sent to near-field communication switching
Equipment；
Step t) near-field communication interconnecting device receives the message of concentrator, is converted into the electronic card that NFC can be identified
Information sends external near field communication equipment to；
Step u) external near field communication equipment receives NFC electronic card information, is converted into the message that user can identify, opens up
Show on external near-field communication equipment.
By the present invention in that being connected with the plc communication interface of near-field communication interconnecting device with existing concentrator, work as collection
When communication between middle device and main website is broken down, it is only necessary to be turned using external near field communication equipment close contact near-field communication
Equipment is connect, maintenance and the electricity consumption data by the quick copy reading ammeter of concentrator can be carried out to concentrator, it is time saving and energy saving.
Those of ordinary skill in the art will appreciate that all or part of the steps in the above method can be instructed by program
Related hardware is completed, and described program can store in computer readable storage medium, such as read-only memory, disk or CD
Deng.Optionally, one or more integrated circuits also can be used to realize, accordingly in all or part of the steps of above-described embodiment
Ground, each module/unit in above-described embodiment can take the form of hardware realization, can also use the shape of software function module
Formula is realized.The present invention is not limited to the combinations of the hardware and software of any particular form.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of near-field communication interconnecting device, which is characterized in that including near field communication module, authentication module, master controller, electric power
Carrier communication module, wherein
The near field communication module believes near-field communication for receiving the near-field-communication signal of external near field communication equipment transmission
It number is converted into the first digital signal and is sent to authentication module；Future autonomous control device the second digital signal to be converted near field logical
Letter signal is simultaneously sent to external near field communication equipment；
The authentication module is used for according to first digital signal and pre-stored authentication information, to external near field communication
Equipment is authenticated, if the authentication is passed, first digital signal is sent to master controller；
The master controller, for when detecting to need the first digital signal being transmitted to external concentrator, by the first number
Signal is sent to power carrier communication module；And it is detecting to need the second digital signal being transmitted to external near field communication equipment
When, the second digital signal is sent near field communication module；
The power carrier communication module, for the power carrier signal from external concentrator to be converted into the second digital signal
And it is sent to master controller, and the first digital signal of autonomous control device in future is sent to external concentrator.
2. near-field communication interconnecting device according to claim 1, which is characterized in that further include routing module, for storing
Concentrator routing table information；
The master controller is specifically used for：The content for detecting first digital signal is then obtained if it is route signal is obtained
The routing iinformation of routing module, and routing iinformation is sent to the near field communication module；It, will if not route signal is obtained
First digital signal is transmitted to the power carrier communication module；
Detect whether second digital signal is routing iinformation, if it is routing iinformation, is then stored in routing iinformation described
In routing module；If not routing iinformation, then second digital signal is transmitted to the near field communication module；
The near field communication module is also used to, and it is concurrent that the routing iinformation that the master controller is sent is converted into near-field-communication signal
Give the external near field communication equipment.
3. near-field communication interconnecting device according to claim 2, which is characterized in that the master controller is also used to, the period
Obtain to property the routing table information of the concentrator.
4. near-field communication interconnecting device according to claim 2, which is characterized in that the content packet of first digital signal
Include the routing table information for obtaining the concentrator, the parameter information for obtaining the concentrator, the parameter letter for configuring the concentrator
Breath and acquisition meter reading data；The content of second digital signal includes the routing table information of the concentrator, the concentrator
Parameter information, the concentrator parameter configuration and meter reading data.
5. near-field communication interconnecting device according to claim 1, which is characterized in that the power carrier communication module is also used
In the power carrier signal that reception external smart ammeter is sent is converted into second digital signal and is sent to the master control
Device processed, and first digital signal that the master controller is sent is sent to external smart ammeter.
6. a kind of meter reading management method, which is characterized in that include the following steps：
Near-field communication interconnecting device receives the near-field-communication signal that external near field communication equipment is sent；
Received near-field-communication signal is converted into the first digital signal by the near-field communication interconnecting device, is believed according to the first number
Number and pre-stored authentication information, the external near field communication equipment is authenticated；
If the authentication is passed, detect whether to need the first digital signal being transmitted to external concentrator；
It is transmitted to external concentrator if necessary, then is transmitted to the first digital signal by the power line carrier, PLC interface of itself
External concentrator；
The near-field communication interconnecting device receives the power carrier that external concentrator is sent by the power line carrier, PLC interface
Signal, and the power carrier signal is converted into the second digital signal, it detects whether to need for the second digital signal to be transmitted to
External near field communication equipment；
It is transmitted to external near field communication equipment if necessary, then the second digital signal is transmitted to external near field communication equipment.
7. meter reading management method according to claim 6, which is characterized in that detect whether to need the first number described
Signal was transmitted to after the step of external concentrator, the method also includes：If the content of first digital signal is to obtain
Take concentrator routing table, the near-field communication interconnecting device obtains the concentrator routing table information of itself storage, and by the collection
Middle device routing table information is sent to the external near field communication equipment.
8. meter reading management method according to claim 6, which is characterized in that detect whether to need the second number described
Signal was transmitted to after the step of external near field communication equipment, the method also includes：If second digital signal is interior
Holding is concentrator routing table information, then the near-field communication interconnecting device stores concentrator routing table information.
9. meter reading management method according to claim 6, which is characterized in that further include before the method：The near field
Obtain and store to communication switching device periodically the routing table information of the concentrator.
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