Specific embodiment
There are three kinds of device roles, central coordinator (Central in power wire broadband carrier communication network
Coordinator, CCO), agent coordinator (Proxy Coordinator, PCO) and website (Station, STA).Wherein,
Central coordinator is host node, is responsible for completing the functions such as networking control, network operation management, corresponding equipment entity is to concentrate
Device area communication units.Website is the forwarding of the control instruction and data be responsible between central coordinator and meter from node, right
The equipment entity answered is the communication unit being mounted in meter (such as ammeter, water meter, gas meter, flow meter, collector).In some cases,
Part website in broadband network must be that relaying could be communicated with central coordinator with other websites, relay station at this time
Point then becomes agent coordinator.Bandwidth carrier module in same electric power environmental generally will form as shown in Figure 1 with center association
Tune device connects the multi-layer tree-shaped topology network of all websites using agent coordinator as relay agent for host node.
But in actual application, since there are environment complexity, serious interference or underground lines to decline caused by communication
The factors such as subtract, so that often there is acquisition blind area in bandwidth carrier communication network.As shown in Fig. 2, the bandwidth carrier communication network
In, the site STA in normal region1、STA2…STAnBroadband connections can normally be established with central coordinator to connect, and
Site STA in acquisition blind arean+1、STAn+2... it waits, broadband connections can not be established with central coordinator and connect.
In consideration of it, the embodiment of the invention provides a kind of multi-functional communication module and applied to the networking side of the module
Method, to solve acquisition blind zone problem in the prior art.The multi-functional communication module setting in bandwidth carrier communication network
Standby role is multi-functional coordinator (Multifunctional Coordinator, MCO).The multi-functional communication module can be with
Be installed in meter, with meter carry out serial communication, can also install or be integrated in it is a kind of independently of meter outside with meter and
Concentrator carries out in the network equipment (such as broadband network of embodiment of the present invention expander) of broadband connections.
Below by network-building method provided in an embodiment of the present invention and application the network-building method multi-functional communication module into
Row elaborates.It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, will be in conjunction in the embodiment of the present invention
Attached drawing, technical solution is clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention,
Instead of all the embodiments.
Referring to Fig. 3, being a kind of flow chart for network-building method that present pre-ferred embodiments provide.It should be noted that
This method is not limitation with Fig. 3 and specific order as shown below.Detailed process shown in Fig. 3 will be explained in detail below
It states.
Step S101, central coordinator of the multi-functional coordinator into bandwidth carrier communication network, which initiates broadband networking, asks
It asks.
In the present embodiment, it is necessary first to be respectively set one in the normal region and acquisition blind area of bandwidth carrier communication network
A or multiple multi-functional coordinators, specific implementation method are as follows: one or more meters are chosen respectively in above-mentioned two region, it will be in it
The bandwidth carrier module in portion replaces with the multi-functional communication module, or is respectively set in normal region and acquisition blind area
At least one is external or is integrated with the broadband network expander of the multi-functional communication module.It is set to bandwidth carrier communication network
In each multi-functional communication module power on after, the address for reading its address for corresponding to meter or its own equipment is sent to
Coordinator is entreated, request broadband networks.
It should be noted that describe for simplicity, it without loss of generality, will be only with peace in the following step of the present embodiment
For the multi-functional communication module in meter, the specific implementation process of network-building method is described.With autonomous device shape
The working principle for the broadband network expander that formula is set in bandwidth carrier communication network be installed on it is multi-functional logical in meter
Believe that the working principle of module is essentially identical, no longer repeats one by one.It certainly, can also be by two kinds of forms in other embodiments
Multi-functional communication module is applied to simultaneously in identical bandwidth carrier communication network, and the specific course of work still can be pushed away similarly
?.
Whether step S103 judges that broadband networks and succeeds, if success, goes to step S105, if unsuccessful, go to step
Rapid S107.
Step S105 is established by broadband with the central coordinator and is communicated to connect, and itself is initialized as first segment
Point.
In the present embodiment, the first node refers to the multi-functional coordinator in normal region, can be referred to as MCN
(Multifunctional Coordinator in Normal Area)。
Step S106, the first node is requested from central coordinator to after the site list not networked currently, to outgoing
The instruction that networks is invited out.
Step S107 judges whether that the invitation for receiving first node sending networks and instructs, if receiving, thens follow the steps
S109, if not receiving, return step S101.
Step S109 is established according to the instruction and the first node and is communicated to connect, and itself will be initialized as the second section
Point.
In the present embodiment, the multi-functional coordinator for being initialized to first node will be actively current to central coordinator request
The site list not networked includes current not establishing the meter of communication connection communicatedly with central coordinator on the site list
Location.After requesting the site list, the first node will be sent out invitation by wireless network or narrowband carrier and be networked
Instruction, with the response for the multi-functional coordinator for waiting other non-broadbands to network.Respond the instruction is to be installed on acquisition blind area
Multi-functional coordinator in interior meter, the multi-functional coordinator will be established according to the instruction and the first node and be wirelessly communicated
Connection or narrow band communication connection, and itself is initialized as second node.After first node and second node establish connection, institute
Stating first node will acquire the address of the corresponding meter of the second node and returns to central coordinator, so that central coordinator pair
The site list not networked currently carries out real-time update.It is appreciated that the second node refer to be located at acquisition blind area in it is more
Orthofunction device can be referred to as MCB (Multifunctional Coordinator in Blind Area).
It should be noted that the first node and the second node pass through wireless or narrowband carrier in the present embodiment
Establish communication connection, wherein described wirelessly includes the wireless communication skill such as micropower wireless, LoRa, ZigBee, Z-Wave, WIFI
Art.
The updated site list not networked currently is sent to and the first node by step S111, the first node
The second node of connection.
It, will be being got from central coordinator after first node and second node, which are established, to be communicated to connect in the present embodiment
The updated currently site list that does not network be sent to the second node connecting with the first node.
Step S113, the site list that the second node is sent according to the first node received, outside broadcast communication
Networking instruction, and the website for responding the instruction is added using the second node as in the broadband network of host node.
In the present embodiment, after the second node outside broadcast communication networking instruction, not yet network in network at present
Website will generate response to the instruction, and return to the feedback information that network is added in a request.Second node receives described anti-
After feedforward information, mailing address is extracted out of this feedback information, and inquiry whether there is this mailing address in the site list,
If it exists, then the website is added using the second node if it does not exist, then to ignore this website in the broadband network of host node.
Networking result is sent to the first node being attached thereto after the completion of the second node networking by step S115.
In the present embodiment, the networking result include established the website that broadband connections is connect with the second node corresponding to
Meter address and the second node corresponding to meter address.
The networking result that the second node received is sent is saved and is returned by step S117, the first node
Back to the central coordinator.
The purpose that the first node saves the networking result is, which is recorded as needing
The meter of data forwarding is carried out, is prepared for data reading system.
Below by taking bandwidth carrier communication network shown in Fig. 2 as an example, group described in the present embodiment is more specifically illustrated
The realization process of network method.As shown in figure 4, a multi-functional communications mould is respectively set in former normal region and former acquisition blind area
Block is still illustrated by taking the multi-functional communication module being installed in meter as an example without loss of generality.In normal region
After multi-functional coordinator initiates broadband networking request, broadband connections is established with central coordinator and is connect, and itself is initialized as
First node (MCN shown in Fig. 4), after the multi-functional coordinator in acquisition blind area is arrived by first node wireless searching,
It is networked and is instructed according to the invitation that the first node is sent, establish wireless communication connection with the first node, and itself is initialized
For second node (MCB shown in Fig. 4).Later, first node sends the site list not networked currently to second node again
(the STA not yet to network i.e. in blind arean+1、STAn+2...), so that the outside broadcast communication networking instruction of second node, carries out group
Net, and by networking success after the corresponding meter address of website and the meter address of its own be sent to first node and protect
It deposits and networking result is returned into central coordinator.
Certainly, in addition to networking mode shown in Fig. 4, there is also various other networking modes, such as one kind shown in fig. 5 to adopt
With the typical bandwidth carrier communication network topology structure after multi-functional coordinator.It include multiple in the bandwidth carrier communication network
First node and multiple second nodes, each second node uniquely correspond to a first node, and each first node can correspond to
Multiple second nodes.As can be seen that multi-functional coordinator can have both existing website, agent coordinator, Central co-ordination simultaneously
The function of device.
Referring to Fig. 6, be a kind of flow chart for network-building method that another preferred embodiment of the present invention provides, and shown in Fig. 3
Method unlike, in the present embodiment, the network-building method further include:
Step S201, the step execute after step S117 shown in Fig. 3, and step S201 is that the first node connects
Receive the data reading system instruction that central coordinator is sent.
Step S203, the first node are instructed according to the data reading system received, identify the copy reading object of the instruction,
And the central coordinator is returned to after the corresponding copy reading data of the copy reading object acquisition.
In the present embodiment, after the first node receives the data reading system instruction of central coordinator transmission, need to judge
Whether the copy reading object of the data reading system instruction is itself corresponding meter, if so, communicating acquisition with meter by serial ports
Corresponding copy reading data, if it is not, data reading system instruction is then sent to the copy reading object so that the copy reading object will be corresponding
Copy reading data be back to the first node.
More specifically, after first node determines that copy reading object is not itself corresponding meter, then judge the data
Whether the copy reading object of copy reading instruction is meter corresponding to the website that connect with the first node broadband connections, if so, general
Data reading system instruction is sent to the website so that corresponding copy reading data are back to described first through the website by the meter
Node, if it is not, then judge again data reading system instruction copy reading object whether be with first node communication connection the
Meter corresponding to two nodes.If meter corresponding to the second node with first node communication connection, then by the data
Copy reading instruction is sent to the second node so that the second node passes through serial ports copy reading number corresponding with meter communication acquisition
The first node is returned to after, if it is not, then judge again data reading system instruction copy reading object whether be with this
The second node of first node communication connection is meter corresponding to the website in the broadband network of host node.If with this first
The second node of node communication connection is meter corresponding to the website in the broadband network of host node, then refers to the data reading system
Enable through the second node be sent to the website so that the meter by corresponding copy reading data through the website and second section
Point returns to the first node, if not still being, the first node does not make a response the instruction.
It should be noted that first node can be to appoint when identifying to copy reading object corresponding to data reading system instruction
The judgement sequence of meaning carries out, and does not judge order for limitation with above-mentioned.
As shown in fig. 7, being a kind of multi-functional communications mould being installed in meter that another preferred embodiment of the present invention provides
The block diagram of block 100.The multi-functional communication module includes micro-control unit 110, bandwidth carrier communication unit 120 and standby
Select communication unit 130.Wherein, the micro-control unit 110 includes that initialization module 1102, networking module 1104 and data are copied
Read through model 1106.The alternative communication unit 130 may be, but not limited to, wireless communication unit or narrowband carrier communication unit.
The wireless communication unit may be, but not limited to, micro power radio communication unit, LoRa communication unit, ZigBee communication list
One of member, Z-Wave communication unit, WIFI communication unit.Functional module shown in Fig. 7 will be described in detail below.
The initialization module 1102 is initiated broadband for the central coordinator into the bandwidth carrier communication network and is entered
Net request, if requesting successfully, to establish broadband connections with the central coordinator by the bandwidth carrier communication unit 120 and connect
It connects, and itself is initialized as first node, if request failure, the invitation networking issued etc. the first node to be received refer to
It enables, is passed through according to the instruction and establish communication connection between the alternative communication unit 130 and the first node, and will be at the beginning of itself
Beginning turns to second node.Specifically, which can be used for executing the S101 of step shown in Fig. 3~step
S109, specific operating method can refer to above-mentioned to step S101~step S109 detailed description.
The networking module 1104, for making the first node not network what is got from central coordinator currently
Site list is sent to the second node connecting with the first node by the alternative communication unit 130, so that second section
The outside broadcast communication networking instruction of point, and the website on the site list that is located at for responding the instruction is added with the second node
For in the broadband network of host node, and networking result is back to the first node and central coordinator.Specifically, the group
Net module 1104 can be used for executing the S113 of step described in Fig. 3~step S115, and specific operating method can refer to above-mentioned right
Step S113~step S115 detailed description.
The data reading system module 1106, for receiving the data reading system of central coordinator transmission in the first node
After instruction, the copy reading object of the instruction is identified, and return in described after the corresponding copy reading data of the copy reading object acquisition
Entreat coordinator.Specifically, which can be used for executing step S201 and step S203 shown in fig. 6, specifically
Operating method can refer to the above-mentioned detailed description to step S201 and step S203.
As shown in figure 8, be another embodiment of the present invention provides a kind of independently of external except meter or be integrated with more
The broadband network expander 200 of function communication module 100.The broadband network expander 200 removes the multi-functional communication module 100
It outside, further include for alternating current to be converted to micro-control unit 110, bandwidth carrier communication unit in the multi-functional communication module 100
Member 120 and alternative communication unit 130 work normally the power module 140 of required voltage.Wherein, the micro-control unit 110
Including initialization module 1102, networking module 1104 and data reading system module 1106.In the present embodiment, the initialization module
1102, the function something in common of networking module 1104 and data reading system module 1106 and corresponding module shown in Fig. 7, herein not
It repeats again, concrete implementation mode can refer to the specific descriptions of above method step.The difference is that the present embodiment provides
Broadband network expander be autonomous device, be not mounted in meter.
In the present embodiment, the power module 140 includes AC-DC power supply unit 1402 and DC-DC converter 1404, described
The input terminal of AC-DC power supply unit 1402 is electrically connected with city, output end is connect with the input terminal of the DC-DC converter 1404,
The output end and micro-control unit 110, bandwidth carrier communication unit 120 and alternative communication unit of the DC-DC converter 1404
130 connections.
In addition, the embodiment of the present invention also provides a kind of scheme for solving acquisition blind zone problem, i.e., in reservation normal region
First node replaces with the corresponding communication module of website of all meters acquired in blind area and the multi-functional communication module
The 100 corresponding communication module of 130 communication mode of alternative communication unit.Fig. 9 is shown to be carried using the exemplary wideband after the program
The topology of wave communication network, the solid line in figure between two nodes indicate that bandwidth carrier communication link, dotted line indicate that wireless or narrowband carries
Wave communication link.
In several embodiments provided herein, it should be understood that each box in flowchart or block diagram can be with
A part of a module, section or code is represented, a part of the module, section or code includes one or more
Executable instruction for implementing the specified logical function.It should also be noted that in some implementations as replacement, box
Middle marked function can also occur in a different order than that indicated in the drawings.For example, two continuous boxes are actually
It can be basically executed in parallel, they can also be executed in the opposite order sometimes, and this depends on the function involved.Also it to infuse
Meaning, the combination of each box in block diagram and or flow chart and the box in block diagram and or flow chart can be with holding
The dedicated hardware based system of function or movement as defined in row is realized, or can use specialized hardware and computer instruction
Combination realize.In addition, each functional module in each embodiment of the present invention can integrate one independence of formation together
Part, be also possible to modules individualism, an independent portion can also be integrated to form with two or more modules
Point.
It should be noted that the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described
There is also other identical elements in the process, method, article or equipment of element.Term " first ", " second " etc. are only used for
Description is distinguished, relative importance is not understood to indicate or imply.
It should further be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once it is a certain
It is defined in Xiang Yi attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.