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CN106357302B - A kind of bandwidth carrier network-building method and multi-functional communication module - Google Patents

A kind of bandwidth carrier network-building method and multi-functional communication module Download PDF

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Publication number
CN106357302B
CN106357302B CN201610850921.6A CN201610850921A CN106357302B CN 106357302 B CN106357302 B CN 106357302B CN 201610850921 A CN201610850921 A CN 201610850921A CN 106357302 B CN106357302 B CN 106357302B
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node
network
copy reading
instruction
data
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CN106357302A (en
Inventor
李中泽
胡惜春
陈顺飞
何佳
高攀
张方方
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Wuhan sailing Intelligent Technology Co., Ltd.
Wuhan Shengfan Electronics Stock Co., Ltd.
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Wuhan Sailing Intelligent Technology Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/54Systems for transmission via power distribution lines
    • H04B3/542Systems for transmission via power distribution lines the information being in digital form

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The embodiment of the present invention provides a kind of bandwidth carrier network-building method and multi-functional communication module.The network-building method can effectively solve the problem that the acquisition blind zone problem in existing bandwidth carrier communication network, so that the meter being located in acquisition blind area originally is networked by multi-functional communication module connection, indirectly communication connection is established between concentrator, it realizes the data reading system in former acquisition blind area, improves the success rate of information collection in bandwidth carrier communication network.

Description

A kind of bandwidth carrier network-building method and multi-functional communication module
Technical field
The present invention relates to power wire broadband carrier communication technical fields, in particular to a kind of bandwidth carrier networking side Method and multi-functional communication module.
Background technique
In existing power wire broadband carrier communication network often exist acquisition blind area, positioned at acquisition blind area in website without Method network, i.e., can not establish broadband connections with central coordinator and connect, cause central coordinator can not copy reading meter information, give it is whole The information collection of a bandwidth carrier communication network causes very big inconvenience.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of bandwidth carrier network-building method and multi-functional communication module, with Improve the above problem.
Present pre-ferred embodiments provide a kind of bandwidth carrier network-building method, are applied to be arranged in bandwidth carrier communication network In multi-functional communication module, the device role of the module in the broadband network be multi-functional coordinator, which comprises
Central coordinator of the multi-functional coordinator into the bandwidth carrier communication network initiates broadband networking request, If requesting successfully, to establish and communicate to connect by broadband with the central coordinator, and itself is initialized as first node, if Request failure, the then invitation that etc. the first node to be received issues network instruction, are built according to the instruction and the first node Vertical communication connection, and itself is initialized as second node;And
The first node by the currently site list that does not network got from central coordinator be sent to this first The second node of node connection so that the second node outside broadcast communication networking instruction, and is located at institute for respond the instruction It states website on site list to be added using the second node as in the broadband network of host node, and networking result is back to institute State first node and central coordinator.
Present pre-ferred embodiments provide a kind of multi-functional communication module, are applied in bandwidth carrier communication network, described Multi-functional communication module is installed in meter, the multi-functional communication module include micro-control unit, bandwidth carrier communication unit with And alternative communication unit, wherein the micro-control unit includes:
Initialization module initiates broadband networking request for the central coordinator into the bandwidth carrier communication network, If requesting successfully, to establish broadband connections with the central coordinator by the bandwidth carrier communication unit and connect, and will be certainly Body is initialized as first node, if request failure, etc. the invitation networking instruction that the first node to be received issues, according to this Instruction itself will be initialized as the second section by establishing communication connection between the alternative communication unit and the first node Point;And
Networking module, the site list not networked currently for getting the first node will from central coordinator It is sent to the second node connecting with the first node by the alternative communication unit, is led to so that the second node is broadcasted outward Believe networking instruction, and the website being located on the site list for responding the instruction is added using the second node as host node In broadband network, and networking result is back to the first node and central coordinator.
Bandwidth carrier network-building method and multi-functional communication module provided by the invention, can effectively solve the problem that existing bandwidth carrier Acquisition blind zone problem in communication network so that originally be located at acquisition blind area in website by multi-functional coordinator connect into Indirectly communication connection is established between net, with central coordinator, is realized the data reading system in former acquisition blind area, is improved broadband load The success rate of information collection in wave communication network.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of topological structure schematic diagram of existing bandwidth carrier communication network provided in an embodiment of the present invention;
Fig. 2 is a kind of structural representation of bandwidth carrier communication network that there is acquisition blind area provided in an embodiment of the present invention Figure;
Fig. 3 is a kind of network-building method flow chart provided in an embodiment of the present invention;
Fig. 4 is the structural representation being applied to network-building method shown in Fig. 3 after bandwidth carrier communication network shown in Fig. 2 Figure;
Fig. 5 is a kind of exemplary wideband carrier communication network using after the network-building method provided in an embodiment of the present invention Topological structure schematic diagram;
Fig. 6 is another network-building method flow chart provided in an embodiment of the present invention;
Fig. 7 is the structural block diagram of multi-functional communication module provided in an embodiment of the present invention;
Fig. 8 is the broadband network expander provided in an embodiment of the present invention for being integrated with multi-functional communication module shown in Fig. 7 Structural block diagram;
Fig. 9 is the topological structure schematic diagram of another bandwidth carrier communication network provided in an embodiment of the present invention.
Main element symbol summarizes:
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.

Claims (10)

1. a kind of bandwidth carrier network-building method, which is characterized in that multi-functional in bandwidth carrier communication network applied to being arranged in Coordinator, the corresponding hardware entities of the coordinator are multi-functional communication module, which comprises
Central coordinator of the multi-functional coordinator into the bandwidth carrier communication network initiates broadband networking request, if asking Hope for success function, then established and communicated to connect by broadband with the central coordinator, and itself is initialized as first node, if request Failure, the then invitation that etc. the first node to be received issues network instruction, pass through nothing according to the instruction and the first node Line or narrowband carrier establish communication connection, and itself is initialized as second node;And
The site list not networked currently got from central coordinator is sent to and the first node by the first node The second node of connection so that the second node outside broadcast communication networking instruction, and is located at the station for respond the instruction Website in point list is added using the second node as in the broadband network of host node, and networking result is back to described the One node and central coordinator.
2. network-building method according to claim 1, which is characterized in that this method further include:
The first node receives the data reading system instruction that central coordinator is sent, and identifies the copy reading object of the instruction, and from The central coordinator is returned to after the corresponding copy reading data of the copy reading object acquisition.
3. network-building method according to claim 2, which is characterized in that the first node identifies data reading system instruction Copy reading object, and the step of copy reading data corresponding from the copy reading object acquisition include:
Whether the copy reading object for judging the data reading system instruction is itself corresponding meter, if so, passing through serial ports and meter Communication obtains 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 pair As corresponding copy reading data are back to the first node.
4. network-building method according to claim 3, which is characterized in that the data reading system is instructed and sent by the first node To the copy reading object so that the copy reading object includes: the step of corresponding copy reading data are back to the first node
Whether the copy reading object for judging data reading system instruction is corresponding to the website that connect with the first node broadband connections Meter, if so, by the data reading system instruction be sent to the website so that the meter by corresponding copy reading data through the station Point is back to the first node.
5. network-building method according to claim 3, which is characterized in that the data reading system is instructed and sent by the first node To the copy reading object so that the copy reading object includes: the step of corresponding copy reading data are back to the first node
Whether the copy reading object for judging the data reading system instruction is the second node institute that communication connection is established with the first node Corresponding meter, if so, data reading system instruction is sent to the second node so that the second node passes through serial ports and institute It states after meter communication obtains corresponding copy reading data and returns to the first node.
6. network-building method according to claim 3, which is characterized in that the data reading system is instructed and sent by the first node To the copy reading object so that the copy reading object includes: the step of corresponding copy reading data are back to the first node
Whether the copy reading object for judging the data reading system instruction is to establish the second node communicated to connect with the first node For meter corresponding to the website in the broadband network of host node, if so, instructing the data reading system through the second node The website is sent to so that corresponding copy reading data are returned to described first through the website and the second node by the meter Node.
7. a kind of multi-functional communication module is applied in bandwidth carrier communication network, which is characterized in that the multi-functional communications mould Block is installed in meter, which includes micro-control unit, bandwidth carrier communication unit and alternative communication unit Member, wherein the micro-control unit includes:
Initialization module initiates broadband networking request for the central coordinator into the bandwidth carrier communication network, if asking Hope for success function, then broadband connections is established with the central coordinator by the bandwidth carrier communication unit and connect, and will be at the beginning of itself Beginning turns to first node, if request failure, is entered etc. the first node to be received by the invitation that alternative communication unit issues Net instruction, according to the instruction pass through between the alternative communication unit and the first node establish communicate to connect, and by itself It is initialized as second node;And
Networking module, for passing through the first node by the site list not networked currently got from central coordinator The alternative communication unit is sent to the second node connecting with the first node, so that the second node is logical by bandwidth carrier Believe unit outside broadcast communication networking instruction, and by the website being located on the site list for responding the instruction be added with this Two nodes are in the broadband network of host node, and networking result is back to the first node and central coordinator.
8. multi-functional communication module according to claim 7, which is characterized in that the micro-control unit further include:
Data reading system module, after the data reading system instruction for receiving central coordinator transmission in the first node, identification The copy reading object of the instruction out, and the central coordinator is returned to after the corresponding copy reading data of the copy reading object acquisition.
9. multi-functional communication module according to claim 7, which is characterized in that the alternative communication unit is wireless communication Unit or narrowband carrier communication unit.
10. multi-functional communication module according to claim 9, which is characterized in that the wireless communication unit is micropower One of wireless communication unit, LoRa communication unit, ZigBee communication unit, Z-Wave communication unit, WIFI communication unit.
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