CN105206010A - Method and device for controlling communication of wireless centralized meter reading network - Google Patents
Method and device for controlling communication of wireless centralized meter reading network Download PDFInfo
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- CN105206010A CN105206010A CN201410283020.4A CN201410283020A CN105206010A CN 105206010 A CN105206010 A CN 105206010A CN 201410283020 A CN201410283020 A CN 201410283020A CN 105206010 A CN105206010 A CN 105206010A
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Abstract
The invention discloses a method and device for controlling communication of a wireless centralized meter reading network. The method includes the steps that different priorities are divided for communication data of multifunctional watt-hour meters according to the service quality requirements of the communication data; according to the order of the multifunctional watt-hour meters in the network, the multifunctional watt-hour meters with the to-be-transmitted data are sequentially divided to a busy queue list, and the multifunctional watt-hour meters without the to-be-transmitted data are divided to a free queue list; a centralized reading device sequentially queries the multifunctional watt-hour meters in the busy queue list and allocates channel use rights for the multifunctional watt-hour meters currently requiring a data transmission service; the multifunctional watt-hour meters currently requiring the data transmission service sequentially transmit the communication data in a descending priority order. By means of the method and device for controlling the communication of the wireless centralized meter reading network, the highest-level channel use right can be provided for the emergency communication data, and the real-time service quality and the reliable service quality of data information transmission of the wireless centralized meter reading network can be guaranteed.
Description
Technical field
The present invention relates to Wireless centralized meter reading technical field, particularly, relate to a kind of communication control method and device of Wireless centralized meter reading network.
Background technology
DL/T645 multi-function watt-hour meter communication protocol is physical connection that is unified and that carry out exchanges data between specification multifunctional electric energy meter and data terminal equipment and provide and agreement, no matter adopt which kind of physical communication mode, all multifunctional electric energy meters, when carrying out bottom data transmission, all adopt this communication protocol.
When transmitting data in electric energy meter Wireless centralized meter reading network, because DL/T645 stipulations have different periodicity, ageing and emergency requirement to the corresponding communication data of integrated reading device, there are three different priority in meter reading data.Therefore, in order to reduce channel confliction, reduce transmission delay that is urgent and timeliness data, and improve the goodput of whole network, need to provide different QoS (QualityofService, service quality) to multifunctional electric energy meter meter reading data.
But in existing Wireless centralized meter reading network, the unordered channel competition of each electric energy meter result in the uncertainty of each electric energy meter inter-node communication time delay, and this can not meet the requirement of the different QoS needed for dissimilar meter reading data.
Summary of the invention
In order to solve the problem that cannot meet dissimilar meter reading data needs different service quality existed in prior art, the present invention proposes a kind of communication control method and device of Wireless centralized meter reading network.
According to the communication control method of Wireless centralized meter reading network of the present invention, comprising:
According to the quality of service requirement of communication data, the communication data for each multifunctional electric energy meter divides different priority;
According to each multifunctional electric energy meter order in a network, successively the multifunctional electric energy meter of available for transmission data being divided into busy queue lists, being divided into not busy queue lists by there is no the multifunctional electric energy meter of data to be transmitted;
Integrated reading device inquires about the multifunctional electric energy meter in busy queue lists successively, is the current multifunctional electric energy meter allocated channel right to use needing data transport service;
The current multifunctional electric energy meter of data transport service that needs is according to priority orders from high to low successively transport communication data.
The communication control method of Wireless centralized meter reading network of the present invention, can provide the channel right to use of highest ranking for urgency communication data, and provides as far as possible little communication delay for timeliness meter reading data.For period measurement data, when urgency communication data and the transmission of timeliness meter reading data, its data throughout of even zero setting can be reduced, make when emergency appears in integrated reading device, management of power use department can receive miscue in time, and not by the impact of other data transfer, the real-time that Wireless centralized meter reading network data information is transmitted and reliability services quality can be guaranteed.
According to the communication control unit of Wireless centralized meter reading network of the present invention, comprising:
Priority divides module, and for the quality of service requirement according to communication data, the communication data for each multifunctional electric energy meter divides different priority;
List divides module, for according to each multifunctional electric energy meter order in a network, successively the multifunctional electric energy meter of available for transmission data being divided into busy queue lists, being divided into not busy queue lists by not having the multifunctional electric energy meter of data to be transmitted;
Channel assignment module, inquires about the multifunctional electric energy meter in busy queue lists successively for integrated reading device, is the current multifunctional electric energy meter allocated channel right to use needing data transport service;
Data transmission module, for the current multifunctional electric energy meter of data transport service that needs according to priority orders from high to low successively transport communication data.
The communication control unit of Wireless centralized meter reading network of the present invention, can provide the channel right to use of highest ranking for urgency communication data, and provides as far as possible little communication delay for timeliness meter reading data.For period measurement data, when urgency communication data and the transmission of timeliness meter reading data, its data throughout of even zero setting can be reduced, make when emergency appears in integrated reading device, management of power use department can receive miscue in time, and not by the impact of other data transfer, the real-time that Wireless centralized meter reading network data information is transmitted and reliability services quality can be guaranteed.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from instructions, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write instructions, claims and accompanying drawing and obtain.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for instructions, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the process flow diagram of the communication control method of Wireless centralized meter reading network of the present invention;
Fig. 2 is that the embodiment of the present invention arranges the schematic diagram of different data buffering queues to different priorities data;
Fig. 3 is the topological diagram of Wireless centralized meter reading network of the prior art;
Fig. 4 is the schematic diagram of the busy queue lists of the embodiment of the present invention;
Fig. 5 is the structural drawing of the communication control unit of Wireless centralized meter reading network of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of embodiment.
In order to solve the problem that cannot meet dissimilar meter reading data needs different service quality existed in prior art, the present invention proposes a kind of communication control method of Wireless centralized meter reading network.
Main thought of the present invention is: first, according to QoS (service quality) demand of meter reading data, by arranging three priority buffer queues resting period data, timeliness data and emergency data respectively in Wireless centralized meter reading network multifunctional electric energy meter, realize the qos feature of high priority data transmission in multifunctional electric energy meter; Second, in Wireless centralized meter reading network channel contention access mechanism, set up cyclic polling to hurry queue, integrated reading device is when inquiring about only to there being the multifunctional electric energy meter of business demand to inquire about, and the idle multifunctional electric energy meter without business need then adopts mode incidentally to inquire about.
Embodiment of the method
As shown in Figure 1, the communication control method of Wireless centralized meter reading network of the present invention, comprising:
Step S101: according to the quality of service requirement of communication data, the communication data for each multifunctional electric energy meter divides different priority;
Concrete, as shown in table 1, according to the different QoS needs of automatic data logging communication network actual requirement, its priority can be returned and is divided three classes:
Table 1
(1) be divided into rudimentary by the priority of period measurement data: period measurement data and multifunctional electric energy meter periodically provide equipment working state information to integrated reading device, data comprise patrols and examines response, equipment state, electric energy use etc.;
(2) priority of timeliness meter reading data is divided into middle rank, timeliness meter reading data namely by multifunctional electric energy meter regularly to the power information that integrated reading device sends;
(3) priority of urgency communication data is divided into senior: urgency communication data namely when equipment is in abnormal operating state, the exigency report data sent by integrated reading device and remote control command.
As shown in Figure 2, for three class multifunctional electric energy meter data, in multifunctional electric energy meter, design the different data buffering queue 201,202 and 203 of three priority, respectively stored in the data message of different priorities as shown in table 1.
Step S102: set up the busy queue lists of multifunctional electric energy meter and not busy queue lists respectively, according to each multifunctional electric energy meter order in a network, successively the multifunctional electric energy meter of available for transmission data being divided into busy queue lists, being divided into not busy queue lists by there is no the multifunctional electric energy meter of data to be transmitted;
Concrete, Wireless centralized meter reading network topology structure as shown in Figure 3, N number of terminal (i.e. multifunctional electric energy meter) 301,302 is had in Wireless centralized meter reading network system ... 30N and one access point (integrated reading device) 300, this N number of multifunctional electric energy meter is dynamically divided into busy queue lists again.
Be illustrated in figure 4 the schematic diagram of busy queue lists, the sequence of the terminal (i.e. multifunctional electric energy meter) in this queue, determined by the order of each multifunctional electric energy meter in whole radio meter register network.
Step S103: integrated reading device inquires about the multifunctional electric energy meter in busy queue lists is successively the current multifunctional electric energy meter allocated channel right to use needing data transport service.
Step S104: the current multifunctional electric energy meter of data transport service that needs is according to priority orders from high to low successively transport communication data;
Multifunctional electric energy meter after the acquisition channel right to use, by the data in data buffering queue the highest for prioritised transmission priority, the data in the data buffering queue that secondly transmission priority is lower, the data in the data buffering queue that last transmission priority is minimum.Concrete, data transmission can be carried out according to the priority orders shown in Fig. 2, transmit the data in data buffering queue 201,202,203 successively.
Step S105: integrated reading device, according to the sequence in busy queue lists, sends Query Information to each multifunctional electric energy meter successively.Query Information comprises the id information of the electric energy meter in the id information of electric energy meter in busy queue lists and not busy queue lists.
Step S106: judge multifunctional electric energy meter in busy queue lists whether end of transmission (EOT), the multifunctional electric energy meter of end of transmission (EOT) is moved on to not busy queue lists;
Concrete, after the multifunctional electric energy meter in busy queue lists receives Query Information, send a reply information to integrated reading device, return information comprises the information whether also having data transport service request;
Integrated reading device, according to the return information received, will still have the multifunctional electric energy meter of transmission service request to stay in busy queue lists, otherwise it deleted from busy queue lists.
Step S107: judging whether the multifunctional electric energy meter in not busy queue lists has transmission service request, moving on to busy queue lists by there being the multifunctional electric energy meter of transmission service request;
Concrete, after the multifunctional electric energy meter in not busy queue lists receives the Query Information of integrated reading device, if there is transmission service request, then send request signal to integrated reading device, this request signal can be a low level request signal;
The request signal of the multifunctional electric energy meter of integrated reading device timing inquiry whether in leisured queue lists exists,
If so, then the multifunctional electric energy meter sending request signal is joined busy queue lists;
If there is no, then continue to wait for inquiry next time.
The communication control method of Wireless centralized meter reading network of the present invention, can provide the channel right to use of highest ranking for urgency communication data, and provides as far as possible little communication delay for timeliness meter reading data.For period measurement data, when urgency communication data and the transmission of timeliness meter reading data, its data throughout of even zero setting can be reduced, make when emergency appears in integrated reading device, management of power use department can receive miscue in time, and not by the impact of other data transfer, the real-time that Wireless centralized meter reading network data information is transmitted and reliability services quality can be guaranteed.
Device embodiment
As shown in Figure 5, the communication control unit of Wireless centralized meter reading network of the present invention, comprising:
Priority divides module 10, and for the quality of service requirement according to communication data, the communication data for each multifunctional electric energy meter divides different priority;
List divides module 20, for according to each multifunctional electric energy meter order in a network, successively the multifunctional electric energy meter of available for transmission data being divided into busy queue lists, being divided into not busy queue lists by not having the multifunctional electric energy meter of data to be transmitted;
Channel assignment module 30, inquires about the multifunctional electric energy meter in busy queue lists successively for integrated reading device, is the current multifunctional electric energy meter allocated channel right to use needing data transport service;
Data transmission module 40, for the current multifunctional electric energy meter of data transport service that needs according to priority orders from high to low successively transport communication data;
Information inquiry module 50, for integrated reading device according to the sequence in busy queue lists, sends Query Information to each multifunctional electric energy meter successively;
First judge module 60, for judging multifunctional electric energy meter in busy queue lists whether end of transmission (EOT), moves on to not busy queue lists by the multifunctional electric energy meter of end of transmission (EOT);
Second judge module 70, for judging whether the multifunctional electric energy meter in not busy queue lists has transmission service request, moves on to busy queue lists by there being the multifunctional electric energy meter of transmission service request.
Right of priority divides module 10 and specifically comprises:
First priority submodule 101, for being divided into senior by the priority of urgency communication data;
Second priority submodule 102, for being divided into middle rank by the priority of timeliness meter reading data;
3rd priority submodule 103, for being divided into rudimentary by the priority of period measurement data.
First judge module 60 specifically comprises:
Revertant module 601, after receiving Query Information, sends a reply information to integrated reading device for the multifunctional electric energy meter in busy queue lists, and return information comprises the information whether also having data transport service request;
Delete submodule 602, for integrated reading device according to the return information received, will the multifunctional electric energy meter of transmission service request be still had to stay in busy queue lists, otherwise it is deleted from busy queue lists.
Second judge module 70 specifically comprises:
Request submodule 701, after receiving the Query Information of integrated reading device, if there is transmission service request, then sends request signal to integrated reading device for the multifunctional electric energy meter in not busy queue lists;
Add submodule 702, the request signal for the multifunctional electric energy meter in integrated reading device timing inquiry whether leisured queue lists exists, and if so, then the multifunctional electric energy meter sending request signal is joined busy queue lists.
The communication control unit of Wireless centralized meter reading network of the present invention, can provide the channel right to use of highest ranking for urgency communication data, and provides as far as possible little communication delay for timeliness meter reading data.For period measurement data, when urgency communication data and the transmission of timeliness meter reading data, its data throughout of even zero setting can be reduced, make when emergency appears in integrated reading device, management of power use department can receive miscue in time, and not by the impact of other data transfer, the real-time that Wireless centralized meter reading network data information is transmitted and reliability services quality can be guaranteed.
The present invention can have multiple multi-form embodiment; above for Fig. 1-Fig. 2, Fig. 4-Fig. 5 by reference to the accompanying drawings to technical scheme of the present invention explanation for example; this does not also mean that the instantiation that the present invention applies can only be confined in specific flow process or example structure; those of ordinary skill in the art should understand; specific embodiments provided above is some examples in multiple its preferred usage, and the embodiment of any embodiment the claims in the present invention all should within technical solution of the present invention scope required for protection.
Last it is noted that these are only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a communication control method for Wireless centralized meter reading network, is characterized in that, comprising:
According to the quality of service requirement of communication data, the communication data for each multifunctional electric energy meter divides different priority;
According to described each multifunctional electric energy meter order in a network, successively the multifunctional electric energy meter of available for transmission data being divided into busy queue lists, being divided into not busy queue lists by there is no the multifunctional electric energy meter of data to be transmitted;
Integrated reading device inquires about the multifunctional electric energy meter in described busy queue lists successively, is the current multifunctional electric energy meter allocated channel right to use needing data transport service;
The described current multifunctional electric energy meter of data transport service that needs is according to priority orders from high to low successively transport communication data.
2. the communication control method of Wireless centralized meter reading network according to claim 1, is characterized in that, described according to quality of service requirement, and the step that the communication data for each multifunctional electric energy meter divides different priority specifically comprises:
The priority of urgency communication data is divided into senior;
The priority of timeliness meter reading data is divided into middle rank;
The priority of period measurement data is divided into rudimentary.
3. the communication control method of Wireless centralized meter reading network according to claim 1, is characterized in that, also comprise:
Integrated reading device, according to the sequence in described busy queue lists, sends Query Information to described each multifunctional electric energy meter successively;
Judge multifunctional electric energy meter in described busy queue lists whether end of transmission (EOT), the multifunctional electric energy meter of end of transmission (EOT) is moved on to described not busy queue lists;
Judging whether the multifunctional electric energy meter in described not busy queue lists has transmission service request, moving on to described busy queue lists by there being the multifunctional electric energy meter of transmission service request.
4. the communication control method of Wireless centralized meter reading network according to claim 3, it is characterized in that, describedly judge multifunctional electric energy meter in described busy queue lists whether end of transmission (EOT), the step multifunctional electric energy meter of end of transmission (EOT) being moved on to described not busy queue lists comprises:
After multifunctional electric energy meter in described busy queue lists receives described Query Information, send a reply information to described integrated reading device, described return information comprises the information whether also having data transport service request;
Described integrated reading device, according to the described return information received, will still have the multifunctional electric energy meter of transmission service request to stay in busy queue lists, otherwise it deleted from described busy queue lists.
5. the communication control method of Wireless centralized meter reading network according to claim 3, it is characterized in that, describedly judge whether the multifunctional electric energy meter in described not busy queue lists has transmission service request, the step having the multifunctional electric energy meter of transmission service request to move on to described busy queue lists specifically comprised:
After multifunctional electric energy meter in described not busy queue lists receives the Query Information of integrated reading device, if there is transmission service request, then send request signal to described integrated reading device;
The request signal of the multifunctional electric energy meter of described integrated reading device timing inquiry whether in leisured queue lists exists, and if so, then the multifunctional electric energy meter sending request signal is joined busy queue lists.
6. a communication control unit for Wireless centralized meter reading network, is characterized in that, comprising:
Priority divides module, and for the quality of service requirement according to communication data, the communication data for each multifunctional electric energy meter divides different priority;
List divides module, for according to described each multifunctional electric energy meter order in a network, successively the multifunctional electric energy meter of available for transmission data being divided into busy queue lists, being divided into not busy queue lists by not having the multifunctional electric energy meter of data to be transmitted;
Channel assignment module, inquires about the multifunctional electric energy meter in described busy queue lists successively for integrated reading device, is the current multifunctional electric energy meter allocated channel right to use needing data transport service;
Data transmission module, for the described current multifunctional electric energy meter of data transport service that needs according to priority orders from high to low successively transport communication data.
7. the communication control unit of Wireless centralized meter reading network according to claim 6, is characterized in that, described right of priority divides module and specifically comprises:
First priority submodule, for being divided into senior by the priority of urgency communication data;
Second priority submodule, for being divided into middle rank by the priority of timeliness meter reading data;
3rd priority submodule, for being divided into rudimentary by the priority of period measurement data.
8. the communication control unit of Wireless centralized meter reading network according to claim 6, is characterized in that, also comprise:
Information inquiry module, for integrated reading device according to the sequence in described busy queue lists, sends Query Information to described each multifunctional electric energy meter successively;
First judge module, for judging multifunctional electric energy meter in described busy queue lists whether end of transmission (EOT), moves on to described not busy queue lists by the multifunctional electric energy meter of end of transmission (EOT);
Second judge module, for judging whether the multifunctional electric energy meter in described not busy queue lists has transmission service request, moves on to described busy queue lists by there being the multifunctional electric energy meter of transmission service request.
9. the communication control unit of Wireless centralized meter reading network according to claim 8, is characterized in that, described first judge module specifically comprises:
Revertant module, after receiving described Query Information, sends a reply information to described integrated reading device for the multifunctional electric energy meter in described busy queue lists, and described return information comprises the information whether also having data transport service request;
Delete submodule, for described integrated reading device according to the described return information received, will the multifunctional electric energy meter of transmission service request be still had to stay in busy queue lists, otherwise it is deleted from described busy queue lists.
10. the communication control unit of Wireless centralized meter reading network according to claim 8, is characterized in that, described second judge module specifically comprises:
Request submodule, after receiving the Query Information of integrated reading device, if there is transmission service request, then sends request signal to described integrated reading device for the multifunctional electric energy meter in described not busy queue lists;
Add submodule, the request signal for the multifunctional electric energy meter in described integrated reading device timing inquiry whether leisured queue lists exists, and if so, then the multifunctional electric energy meter sending request signal is joined busy queue lists.
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| CN109147284A (en) * | 2018-10-30 | 2019-01-04 | 宁波三星智能电气有限公司 | A kind of report method of intelligent electric meter |
| CN113873015A (en) * | 2021-08-13 | 2021-12-31 | 美律电子(深圳)有限公司 | Internet of things system |
| CN113873015B (en) * | 2021-08-13 | 2023-11-21 | 美律电子(深圳)有限公司 | Internet of things system |
| CN116456221A (en) * | 2023-06-16 | 2023-07-18 | 北京智芯微电子科技有限公司 | Data reading method, reading device and reading system |
| CN116456221B (en) * | 2023-06-16 | 2023-09-08 | 北京智芯微电子科技有限公司 | Data reading method, reading device and reading system |
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