CN103731193B - The method and kilowatt meter reading-out system of wireless automatic relay networking - Google Patents
The method and kilowatt meter reading-out system of wireless automatic relay networking Download PDFInfo
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- CN103731193B CN103731193B CN201410002042.9A CN201410002042A CN103731193B CN 103731193 B CN103731193 B CN 103731193B CN 201410002042 A CN201410002042 A CN 201410002042A CN 103731193 B CN103731193 B CN 103731193B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/60—Arrangements in telecontrol or telemetry systems for transmitting utility meters data, i.e. transmission of data from the reader of the utility meter
Abstract
The present invention relates to relay networking technical field is route, more particularly to a kind of method and kilowatt meter reading-out system of wireless automatic relay networking.Compared with prior art, for the small part harvester for also not adding concentrator routing table, concentrator sends unicast signal to the harvester according to the network address of the harvester and carries out roll-call networking.The networking process can be interrupted, and can proceed networking after concentrator completes other communication works.Simultaneously as these harvesters to be networked are not broadcasted, interference when checking meter to other harvesters and concentrator is substantially reduced.
Description
Technical field
The present invention relates to route relay networking technical field, more particularly to a kind of wireless automatic relay networking method and copy
Table system.
Background technology
Based on the kilowatt meter reading-out system that low-voltage power carrier is communicated, carrier communication distance is near, and communication interference source is complicated, except by each
Plant electrical equipment interference outer, electric lines of force material, whether wiring firmly waits all has an impact, and communication success rate and communication speed are low.Electric lines of force 3
It is separated, two gauge tables are such as arranged on out of phase, even if two tables cannot be also communicated close to installation.
The content of the invention
The technical problem to be solved is：The method and kilowatt meter reading-out system of a kind of wireless automatic relay networking are provided,
Enable a system to be automatically composed relay communication network, avoid manual maintenance, the harvester in the network being capable of automatic data collection
Ammeter data.What the present invention was realized in：
The method of wireless automatic relay networking, comprises the steps：
Concentrator sends broadcast singal；
First order harvester listens to the broadcast singal and forwards, and second level harvester listens to the broadcast singal of forwarding simultaneously
Continue forwarding；By that analogy until the network route number of plies reaches restriction；
The network address of other harvesters for listening to is stored in itself neighbor table by harvesters at different levels；
The network address of first order harvester is stored in concentrator road by concentrator
By table, and the neighbor table request of acquisition first order harvester is sent to first order harvester；
Its neighbor table is sent to concentrator according to the request by first order harvester, and concentrator is adjacent by first order harvester
The network address for belonging to second level harvester in occupying table is stored in concentrator road as the next stage network address of first order harvester
By table, and the harvester neighbor table request of the acquisition second level is sent to second level harvester；Can be detectd until all by that analogy
The network address of the harvester heard all is stored in concentrator routing table；
Concentrator sends networking signal to each harvester according to concentrator routing table, receives the networking broadcast singal
Harvester feeds back networking confirmation signal to the concentrator to complete to network；
After the harvester ratio for networking reaches setting value, the concentrator is sent to the harvester respectively also not networked successively
Networking unicast signal, the harvester for receiving the networking unicast networking signal feed back networking confirmation signal to the concentrator.
Further, methods described also comprises the steps：
The concentrator be network harvester distribute one No. ID, the harvester can according to this No. ID determine its with it is described
The time sequencing of concentrator communication.
Further, methods described also comprises the steps：
The concentrator arranges some sections continuous time, all channels is intercepted within first time period, if
In the signal of certain channel sense to the network for being not belonging to the concentrator, then cancel in the next time period and the channel intercepted,
By that analogy after all time periods intercept and finish, in choosing the channel that remainder is listened, the minimum channel of RSSI value is used as work
Make channel.
Further, methods described also comprises the steps：
The harvester is intercepted to the networking broadcast singal or networking unicast signal of four channels, after networking select with
The same channel of concentrator is used as working channel, and other channels are kept intercepting.
Further, methods described also comprises the steps：
The harvester of the concentrator routing table is not added also by adding the harvester of the concentrator routing table wide
It is sown into net request signal.
Further, methods described also comprises the steps：
The message for also not adding the harvester of the concentrator routing table to transmit in intercepting the network of the concentrator, therefrom
Routing information is parsed, and selects shortest path the request that networks to be sent to the concentrator.
A kind of kilowatt meter reading-out system of wireless automatic relay networking, including concentrator and some grades of harvesters；The harvester with
Ammeter connects, for gathering ammeter data；The concentrator is wirelessly connected with the harvester, for concentrating each harvester to be adopted
The ammeter data of collection is simultaneously sent to the center of checking meter；The concentrator is used to send broadcast singal；
First order harvester is used to intercept the broadcast singal and forward, and second level harvester is used for the broadcast letter for intercepting forwarding
Number and continue forwarding；By that analogy until the network route number of plies reaches restriction；
Harvesters at different levels are additionally operable to the network address of other harvesters that will be listened to and are stored in itself neighbor table；
Concentrator is for being stored in concentration using the network address of first order harvester as the next stage network address of concentrator
Device routing table, and the neighbor table request of acquisition first order harvester is sent to first order harvester；
First order harvester is additionally operable to its neighbor table is sent to concentrator according to the request, and concentrator is additionally operable to the
Belong to the next stage network address of the network address as first order harvester of second level harvester in one-level harvester neighbor table
Concentrator routing table is stored in, and the harvester neighbor table request of the acquisition second level is sent to second level harvester；By that analogy until
The network address of all harvesters that can be listened all is stored in concentrator routing table；
Concentrator is additionally operable to send networking broadcast singal, harvester to all harvesters according to the network address of each harvester
It is additionally operable to feed back networking confirmation signal to the concentrator when the networking broadcast singal is received, so as to complete to network；
The concentrator is additionally operable to reach the harvester that setting value is not respectively also networked backward when the harvester ratio for networking
Net unicast signal is sent into, the harvester for receiving the networking unicast networking signal is confirmed for networking to concentrator feedback
Signal, so as to complete to network.
Further, the concentrator is additionally operable to distribute one No. ID for the harvester of networking, and the harvester can be according to this
No. ID determines its time sequencing communicated with the concentrator.
Further, the concentrator is additionally operable to arrange some sections continuous time, to all letters within first time period
Road is intercepted, if in the signal of certain channel sense to the network for being not belonging to the concentrator, cancelled in the next time period
The channel is intercepted, by that analogy after all time periods intercept and finish, RSSI value in the channel that remainder is listened is chosen
Minimum channel is used as working channel.
Further, the harvester is additionally operable to the timesharing before networking and intercepts all channels, selects and concentrator after networking
Same channel is as working channel and selects at least two channels to be intercepted in addition.
Further, the harvester of the concentrator routing table is not also added to be used for by adding the concentrator route
The harvester broadcast networking request signal of table.
Further, the harvester of the concentrator routing table is not also added to be used to pass in the network for intercept the concentrator
Defeated message, therefrom parses routing information, and selects shortest path to send the request that networks to the concentrator.
Compared with prior art, for the small part harvester for also not adding concentrator routing table, concentrator is adopted according to this
The network address of storage sends unicast signal to the harvester and carries out roll-call networking.The networking process can be interrupted, can be in concentrator
Proceed networking after completing other communication works.Simultaneously as these harvesters to be networked are not broadcasted, greatly reduce
Interference when checking meter to other harvesters and concentrator.
Description of the drawings
Fig. 1：Automatic relay networking schematic flow sheet provided in an embodiment of the present invention；
Fig. 2：The kilowatt meter reading-out system composition schematic diagram of automatic relay networking provided in an embodiment of the present invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used for explaining the present invention, not
For limiting the present invention.
Fig. 1 show the kilowatt meter reading-out system composition schematic diagram of automatic relay networking provided in an embodiment of the present invention, and Fig. 2 show
Harvester networking schematic flow sheet in the method for wireless automatic relay networking provided in an embodiment of the present invention.According to Fig. 1, this
The kilowatt meter reading-out system of the wireless automatic relay networking that invention is provided includes concentrator 2 and some grades of harvesters 3；Harvester 3 and ammeter 4
Connection, for gathering ammeter data；Concentrator 2 is wirelessly connected with harvester 3, for the ammeter for concentrating each harvester 3 to be gathered
Data Concurrent is sent to the center of checking meter 1.
System adopts master-slave architecture, to meet data concentrated collection, the requirement of centralized management.One 2 correspondence of concentrator
Multiple harvesters 3, each harvester 3 are at least connected with an ammeter 4.Center 1 check meter by the collection of concentrator 22 institute of concentrator
The ammeter data gathered by each harvester 3 of management.Harvester 3 can be automatically added to the communication network for relying on concentrator 2 to be constituted
Network, other harvesters 3 that can pass through between concentrator 2 and harvester 3 in the communication network of the concentrator 2 carry out relay connection,
To cover larger geographic range, large-scale network-estabilishing application is met.
According to shown in Fig. 1, the networking process of the system is as follows：
Concentrator 2 sends broadcast singal.The harvester 3 for receiving the broadcast singal is defined as first order harvester, and first
Level harvester is forwarded after receiving the broadcast singal, and the harvester 3 for receiving the broadcast singal of the forwarding is defined as second
Level harvester, second level harvester continue to forward the signal.By that analogy, broadcast singal turns through multistage collector
Send out, until the network route number of plies reaches restriction.During each harvester 3 is forwarded to broadcast singal, each harvester 3 is also located
In intercepting state.If a certain harvester 3 listens to other harvesters 3 in forwarding broadcast singal, will listen in forwarding
The network address of the harvester 3 of broadcast singal is stored in itself neighbor table.Through intercepting to broadcast singal, each harvester 3 is all deposited
There is respective neighbor table.After each harvester 3 has respective neighbor table, concentrator 2 is to by the network address of each first order harvester
The routing table of the concentrator 2 is stored in as the next stage network address of the concentrator 2, meanwhile, send to each first order harvester
Obtain the request of its neighbor table.Its neighbor table is sent to concentrator 2 according to the request by each first order harvester, and concentrator will connect
The network address for belonging to second level harvester in the neighbor table for receiving is stored in as the next stage network address of first order harvester
The routing table of concentrator 2, meanwhile, send to each second level harvester and obtain its neighbor table request.Each second level harvester is also pressed
According to first order harvester like that, by that analogy until the network address of all harvesters 3 that can be listened all is stored in concentration
The routing table of device 2.After concentrator 2 completes the acquisition to the neighbor table of each harvester 3, according to the network address of each harvester 3 and
Path sends networking broadcast singal to each harvester 3, and the harvester 3 for receiving networking broadcast singal networks really to concentrator feedback
Recognize signal, so as to complete to network.
Above-mentioned networking mode is a kind of broadcast networking mode, after networking terminates, it is possible to carried out according to above-mentioned flow process of checking meter
Check meter.But, even if carrying out networking according to the method described above, still may have the collection of the routing table for not adding the concentrator 2
Device 3, simultaneously it is also possible to there is the new request of harvester 3 to add the routing table of concentrator 2.As shown in figure 1, for also not adding this
The harvester 3 of the routing table of concentrator 2, concentrator 2 can be according to its network address successively to respectively also not adding concentrator routing table
Harvester 3 send networking unicast signal, receive the harvester 3 of networking unicast signal and feed back networking confirmation letter to concentrator 2
Number, complete to network.This networking mode is different from the broadcast networking mode of concentrator 2, belongs to roll-call networking mode, using roll-call
The networking process of networking mode can be interrupted, and can proceed networking after concentrator 2 completes other communication works.Simultaneously as
During using this network access mode, these harvesters 3 to be networked are not broadcasted, and are substantially reduced to other harvesters 3 and collection
Interference when middle device 2 is checked meter.
Certainly, for the harvester 3 and the new harvester 3 for adding of the routing table for also not adding the concentrator 2（Free
Harvester）, can also be as follows by the networking mode networking of free harvester as shown in Figure 1, idiographic flow：
Free harvester 3 intercepts the message in the network of concentrator 2, includes routing information in these messages, dissociates
Harvester 3 by parse these routing informations can find out from the most short path of concentrator 2, then, harvester 3 can be according to this most
Short path sends network request to concentrator 2 by the harvester 3 for having networked, so as to complete to network.Meanwhile, free collection
Device 3 actively can also be asked by adding other broadcast of harvester 3 of the routing table of concentrator 2 to network by broadcast mode,
Wait is found by concentrator 2, so as to realize networking.
After harvester 3 adds the routing table of concentrator 2, in order to network communication is clashed, concentrator 2 networks for each
Harvester 3 be all assigned with one No. ID, harvester 3 can be suitable according to this No. ID time that determine its communication with the concentrator 2
Sequence, each harvester 3 are communicated with concentrator 2 according to respective time sequencing, so as to avoid multiple harvesters 3 and meanwhile with
Concentrator 2 is communicated and is clashed.
Wireless networking scope covers wide, and is not constrained by circuit, and cause a problem is if same area needs
When disposing multiple independent wireless communication networks, interference can be produced.Solution is that concentrator 2 and harvester 3 are each made
Frequency range is divided into the less channel of some bandwidth, makes each from channel correspondence by algorithms of different.Concentrator 2 and harvester
3 select the flow process difference of channel as follows：
Concentrator 2 selects the flow process of channel：Concentrator 2 arranges some sections continuous time, to institute within first time period
There is channel to be intercepted, if in the signal of certain channel sense to the network for being not belonging to the concentrator 2, in the next time period
Cancellation is intercepted to the channel, by that analogy after all time periods intercept and finish, is chosen in the channel that remainder is listened
The minimum channel of RSSI value is used as working channel；
Harvester 3 selects the flow process of channel：The networking broadcast singal or networking unicast signal of 3 pairs of four channels of harvester enters
Row is intercepted, and is selected with the same channel of concentrator as working channel after networking, and other channels are kept intercepting.Support 4
Channel timesharing networking can improve networking efficiency, after networking success, keep the broadcast of other channels to network and intercept, to tackle host node
The situation of working channel change.
When large-scale harvester 3 does not network, concentrator 2 sets up basic network by broadcast networking.Due to certain
A little reasons continue to detect with broadcast mode without the minority harvester 3 networked in broadcast, and spent time is more so that need
Wait the very long time just proceed by check meter.Therefore, if concentrator 2 only does broadcast networking merely, then those do not enter
The minority harvester 3 of net, can only be networked with the network access mode of the harvester 3 for dissociating after one section of long period is waited.For this
A little minorities from node, the mode called the roll preferably carries out networking, searches for harvester 3 by way of transmission unicast signal,
So as to be included network.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (12)
1. a kind of method of wireless automatic relay networking, it is characterised in that comprise the steps：
Concentrator sends broadcast singal；
First order harvester listens to the broadcast singal and forwards, and second level harvester listens to the broadcast singal of forwarding and continues
Forwarding；By that analogy until the network route number of plies reaches restriction；
The network address of other harvesters for listening to is stored in itself neighbor table by harvesters at different levels；
The network address of first order harvester is stored in concentrator routing table by concentrator,
And the neighbor table request of acquisition first order harvester is sent to first order harvester；
Its neighbor table is sent to concentrator according to the request by first order harvester, and concentrator is by first order harvester neighbor table
In belong to the network address of second level harvester and be stored in concentrator routing table as the next stage network address of first order harvester,
And the harvester neighbor table request of the acquisition second level is sent to second level harvester；Can be listened until all by that analogy
The network address of harvester is all stored in concentrator routing table；
Concentrator sends networking signal to each harvester according to concentrator routing table, receives the collection of the networking broadcast singal
Device feeds back networking confirmation signal to the concentrator to complete to network；
After the harvester ratio for networking reaches setting value, the concentrator sends to the harvester respectively also not networked successively and networks
Unicast signal, the harvester for receiving the networking unicast networking signal feed back networking confirmation signal to the concentrator.
2. the method for claim 1, it is characterised in that also comprise the steps：
The concentrator is that the harvester for networking distributes one No. ID, and the harvester can determine which with the concentration according to this No. ID
The time sequencing of device communication.
3. the method for claim 1, it is characterised in that also comprise the steps：
The concentrator arranges some sections continuous time, all channels is intercepted within first time period, if at certain
Signal of the channel sense to the network for being not belonging to the concentrator, then cancel in the next time period and the channel intercepted, with this
Analogize after all time periods intercept and finish, in choosing the channel that remainder is listened, the minimum channel of RSSI value is used as work letter
Road.
4. the method for claim 1, it is characterised in that also comprise the steps：
The harvester is intercepted to the networking broadcast singal or networking unicast signal of four channels, selects and concentrate after networking
The same channel of device is used as working channel, and other channels are kept intercepting.
5. the method for claim 1, it is characterised in that also comprise the steps：
Also do not add the harvester of the concentrator routing table by add the harvester of the concentrator routing table broadcast into
Net request signal.
6. the method for claim 1, it is characterised in that also comprise the steps：
The message for also not adding the harvester of the concentrator routing table to transmit in intercepting the network of the concentrator, therefrom parses
Outbound path information, and select shortest path to send the request that networks to the concentrator.
7. a kind of kilowatt meter reading-out system of wireless automatic relay networking, including concentrator and some grades of harvesters；The harvester and electricity
Table connects, for gathering ammeter data；The concentrator is wirelessly connected with the harvester, for concentrating each harvester to be gathered
Ammeter data and be sent to the center of checking meter；It is characterized in that：
The concentrator is used to send broadcast singal；
First order harvester is used to intercept the broadcast singal and forward, and second level harvester is used to intercept the broadcast singal of forwarding simultaneously
Continue forwarding；By that analogy until the network route number of plies reaches restriction；
Harvesters at different levels are additionally operable to the network address of other harvesters that will be listened to and are stored in itself neighbor table；
Concentrator is for being stored in concentrator road using the network address of first order harvester as the next stage network address of concentrator
By table, and the neighbor table request of acquisition first order harvester is sent to first order harvester；
First order harvester is additionally operable to its neighbor table is sent to concentrator according to the request, and concentrator is additionally operable to the first order
The network address for belonging to second level harvester in harvester neighbor table is stored in as the next stage network address of first order harvester
Concentrator routing table, and the harvester neighbor table request of the acquisition second level is sent to second level harvester；By that analogy until all
The network address of the harvester that can be listened all is stored in concentrator routing table；
Concentrator is additionally operable to send networking broadcast singal to all harvesters according to the network address of each harvester, and harvester is also used
In networking confirmation signal is fed back to the concentrator when the networking broadcast singal is received, so as to complete to network；
The concentrator is additionally operable to transmit into when the harvester ratio for networking reaches the backward harvester respectively also not networked of setting value
Net unicast signal, receives the harvester of the networking unicast networking signal for feeding back networking confirmation letter to the concentrator
Number, so as to complete to network.
8. system as claimed in claim 7, it is characterised in that the concentrator is additionally operable to the harvester to network and distributes
No. ID, the harvester can determine its time sequencing communicated with the concentrator according to this No. ID.
9. system as claimed in claim 7, it is characterised in that the concentrator is additionally operable to arrange some sections continuous time,
All channels are intercepted in first time period, if in the letter of certain channel sense to the network for being not belonging to the concentrator
Number, then cancel in the next time period and the channel is intercepted, by that analogy after all time periods intercept and finish, choose remaining
Under in the channel that is listened the minimum channel of RSSI value as working channel.
10. system as claimed in claim 7, it is characterised in that the harvester be additionally operable to the timesharing before networking intercept it is all
Channel, selects after networking that same with concentrator channel is as working channel and selects at least two channels to be intercepted in addition.
11. systems as claimed in claim 7, it is characterised in that also do not add the harvester of the concentrator routing table to be used for
Networking request signal is broadcasted by adding the harvester of the concentrator routing table.
12. systems as claimed in claim 7, it is characterised in that also do not add the harvester of the concentrator routing table to be used for
The message transmitted in the network for intercepting the concentrator, therefrom parses routing information, and selects shortest path to the concentration
Device sends the request that networks.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410002042.9A CN103731193B (en) | 2014-01-02 | 2014-01-02 | The method and kilowatt meter reading-out system of wireless automatic relay networking |
| PCT/CN2014/070541 WO2015100794A1 (en) | 2014-01-02 | 2014-01-13 | Wireless automatic relay networking method and meter reading system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410002042.9A CN103731193B (en) | 2014-01-02 | 2014-01-02 | The method and kilowatt meter reading-out system of wireless automatic relay networking |
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| Publication Number | Publication Date |
|---|---|
| CN103731193A CN103731193A (en) | 2014-04-16 |
| CN103731193B true CN103731193B (en) | 2017-04-05 |
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| CN201410002042.9A Active CN103731193B (en) | 2014-01-02 | 2014-01-02 | The method and kilowatt meter reading-out system of wireless automatic relay networking |
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| WO (1) | WO2015100794A1 (en) |
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Also Published As
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| CN103731193A (en) | 2014-04-16 |
| WO2015100794A1 (en) | 2015-07-09 |
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