CN103415001A - Device, system and method for message forwarding - Google Patents
Device, system and method for message forwarding Download PDFInfo
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- CN103415001A CN103415001A CN2013103700542A CN201310370054A CN103415001A CN 103415001 A CN103415001 A CN 103415001A CN 2013103700542 A CN2013103700542 A CN 2013103700542A CN 201310370054 A CN201310370054 A CN 201310370054A CN 103415001 A CN103415001 A CN 103415001A
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Abstract
The invention discloses a device, system and method for message forwarding. The device comprises an Ethernet interface, a message conversion processing device and a serial interface, wherein the Ethernet interface is used for obtaining a power utilization information data message or a reported power utilization information data command message; the message conversion processing device is connected with the Ethernet interface and used for converting the power utilization information data message into one or more first compass short messages or converting one or more second compass short messages into the reported power utilization information data command message; the serial interface is connected with the message conversion processing device and used for sending the one or more first compass short messages to a compass satellite communication device or receiving the one ore more second compass short messages from the compass satellite communication device. According to the technical schemes of the device, system and method, the fact that residential electricity consumption information data can be automatically reported to a center master station system through an on-site meter reading concentrator is achieved, and plenty of manpower, material resources and financial resources are saved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of apparatus for forwarding message, system and method.
Background technology
At present, usually GPRS (the General Packet Radio Service that adopts the public network operator such as China Mobile to provide between correlation technique Zhong Zaitai district and main station system data acquisition channel, referred to as GPRS)/code division multiple access (Code Division Multiple Access, referred to as CDMA) radio channel realizes.But for vast meagrely-populated and farming and pastoral area that movable signal covers not yet fully, it is helpless that above-mentioned communication mode seems.As can be seen here, how without public network signal, covering, without telephone network, become technical barrier urgently to be resolved hurrily without between the Internet etc. " three without " regional De Tai district electricity meter-reading concentrator and system main website, seeking a kind of effective means of communication.Consider that above-mentioned district all is installed on outdoor place, it is open in the neighbourhood, lacks building and stops, therefore, though these districts are difficult to be covered by the honeycomb fashion public network signal, meets the transfer of data requirement based on the big-dipper satellite short message.
Beidou satellite system has unique short message transfer function.At civil area, the transmission frequency that Big Dipper short message function is supported is the distinctive maximum single frames of 30 seconds/frame and Big Dipper short message (can support 100 byte stable transfer), yet for the restriction of the not free frequency of data receiver and single frames length.Although the data interaction frequency between platform district electricity meter-reading concentrator and system main website is not high,, the electric quantity data of single transmission is usually much larger than 100 bytes.Therefore, when on-the-spot meter-copy collector need to be uploaded the electric quantity data much larger than 100 bytes, big-dipper satellite short message function can't be carried out the transmitting of data.
Summary of the invention
The invention provides a kind of apparatus for forwarding message, system and method, can't directly transmit the power information data problem by Big Dipper short message to solve at least between on-the-spot meter-copy collector in correlation technique and central master station system.
According to an aspect of the present invention, provide a kind of apparatus for forwarding message.
Apparatus for forwarding message according to the present invention comprises: Ethernet interface, be used to obtaining the power information data message or reporting power information data command message; Message conversion process device, be connected with Ethernet interface, for the power information data message being converted to one or more the first Big Dipper short messages, or, one or more the second Big Dipper short messages are converted to and report power information data command message; Serial line interface, be connected with message conversion process device, for one or more the first Big Dipper short messages are sent to the big-dipper satellite communicator, or, receive one or more the second Big Dipper short messages that come from the big-dipper satellite communicator.
Preferably, message conversion process device, for the power information data message is resolved, when the byte number of judging the power information data message is greater than the maximum single frames byte number of each the first Big Dipper short message, the power information data message is split and converts to a plurality of the first Big Dipper short messages.
Preferably, message conversion process device, for the power information data message is resolved, when the byte number of judging the power information data message is less than or equal to the maximum single frames byte number of each the first Big Dipper short message, directly the power information data message is converted to first Big Dipper short message.
Preferably, message conversion process device, carry out integrality and accuracy verification for second Big Dipper short message to receiving, if verification succeeds directly converts second Big Dipper short message to report power information data command message to.
Preferably, message conversion process device, for a plurality of the second Big Dipper short messages that receive are carried out respectively to integrality and accuracy verification, if equal verification succeeds is changed and reassembled into a plurality of the second Big Dipper short messages and reports power information data command message.
Preferably, Ethernet interface, the power information data message reported be used to receiving the centralized automatic meter-reading harvester.
Preferably, Ethernet interface, for via the big-dipper satellite communicator, receive come from central master station report power information data command message.
Preferably, said apparatus also comprises: the upgrading device; The upgrading device, be connected with message conversion process device, carries out real-time upgrading for the embedded program to message conversion process device.
Preferably, said apparatus also comprises: power supply device; Power supply device, be connected with message conversion process device, is used to the power supply of message conversion process device.
According to a further aspect in the invention, provide a kind of message forwarding system.
Message forwarding system according to the present invention comprises: above-mentioned apparatus for forwarding message; The big-dipper satellite communicator, with the serial line interface of apparatus for forwarding message, be connected, for the power information data message after the apparatus for forwarding message conversion process is sent to central master station via the big-dipper satellite communication server, perhaps, via what big-dipper satellite communication server receiving center main website sent, report power information data command message; The big-dipper satellite communication server, with the big-dipper satellite communicator, be connected, for the power information data message after the apparatus for forwarding message conversion process is carried out to the inverse transform processing, obtain the power information data message, and be sent to central master station, perhaps, central master station is sent report power information data command message to carry out conversion process after, be sent to the big-dipper satellite communicator.
According to another aspect of the invention, provide a kind of message forwarding method.
Message forwarding method according to the present invention comprises: receive the power information data message that comes from the centralized automatic meter-reading harvester; The power information data message is converted to one or more the first Big Dipper short messages; To Big Dipper satellite communications services device, send one or more the first Big Dipper short messages after changing, wherein, one or more the first Big Dipper short messages after conversion, after by the big-dipper satellite communication server, being reduced into the power information data message, are sent to central master station by the big-dipper satellite communication server.
Preferably, the power information data message is converted to one or more Big Dipper short messages and comprises: the power information data message is resolved, judge whether the byte number of power information data message is greater than the maximum single frames byte number of each the first Big Dipper short message; If not, directly the power information data message is converted to first Big Dipper short message, and in this first Big Dipper short message, add the identification information of centralized automatic meter-reading harvester, wherein, identification information identifies for the big-dipper satellite communication server centralized automatic meter-reading harvester that this first Big Dipper short message belongs to; If, the power information data message is split, convert a plurality of the first Big Dipper short messages to, and in each first Big Dipper short message, add respectively identification information and the serial number information corresponding with each the first Big Dipper short message, wherein, serial number information is recombinated to a plurality of the first Big Dipper short messages for the big-dipper satellite communication server.
Preferably, before receiving the power information data message, also comprise: receive one or more the second Big Dipper short messages that come from central master station; One or more the second Big Dipper short messages are converted to and report power information data command message, wherein, report power information data command message to be used to indicate the centralized automatic meter-reading harvester and report the power information data; To the centralized automatic meter-reading harvester, send and report power information data command message.
Preferably, second Big Dipper short message is converted to and reports power information data command message to comprise: second Big Dipper short message received is carried out to integrality and accuracy verification; If verification succeeds, directly convert second Big Dipper short message to report power information data command message to.
Preferably, a plurality of the second Big Dipper short messages are converted to and report power information data command message to comprise: successively a plurality of the second Big Dipper short messages that receive are carried out to integrality and accuracy verification; If equal verification succeeds, change and reassemble into a plurality of the second Big Dipper short messages and report power information data command message.
By the present invention, adopt Ethernet interface to obtain the power information data message or report power information data command message, message conversion process device, be connected with Ethernet interface, and the power information data message is converted to one or more the first Big Dipper short messages, or, one or more the second Big Dipper short messages are converted to and report power information data command message, serial line interface, with message conversion process device, be connected, one or more the first Big Dipper short messages are sent to the big-dipper satellite communicator, perhaps, reception comes from one or more second Big Dipper short messages of big-dipper satellite communicator, namely by message conversion process device, realize the mutual conversion between power information data message and one or more the first Big Dipper short message and one or more the second Big Dipper short message and one or more the second Big Dipper short message, to realize between on-the-spot meter-copy collector and central master station system adopting Big Dipper short message directly to carry out two-way communication, solved thus between on-the-spot meter-copy collector in the correlation technique and central master station system and can't directly transmit by the Big Dipper short message problem of power information data, and then realized that on-the-spot meter-copy collector can report to the central master station system by the residential electricity information data automatically, saved a large amount of manpowers, material resources and financial resources.
The accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention the present invention does not form inappropriate limitation of the present invention for explaining.In the accompanying drawings:
Fig. 1 is the structured flowchart according to the apparatus for forwarding message of the embodiment of the present invention;
Fig. 2 is the structured flowchart of apparatus for forwarding message according to the preferred embodiment of the invention;
Fig. 3 is the structured flowchart according to the message forwarding system of the embodiment of the present invention;
Fig. 4 is the flow chart according to the message forwarding method of the embodiment of the present invention.
Mark in above accompanying drawing is as follows: 1, apparatus for forwarding message; 2, big-dipper satellite communicator; 3, the big-dipper satellite communication server; 10, Ethernet interface; 20, message conversion process device; 30, serial line interface; 40, upgrading device; 50, power supply device.
Embodiment
Hereinafter with reference to accompanying drawing, also describe in conjunction with the embodiments the present invention in detail.It should be noted that, in the situation that do not conflict, embodiment and the feature in embodiment in the application can combine mutually.
Fig. 1 is the structured flowchart according to the apparatus for forwarding message of the embodiment of the present invention.As shown in Figure 1, this apparatus for forwarding message can comprise: Ethernet interface 10, be used to obtaining the power information data message or reporting power information data command message; Message conversion process device 20, be connected with Ethernet interface 10, for the power information data message being converted to one or more the first Big Dipper short messages, or, one or more the second Big Dipper short messages are converted to and report power information data command message; Serial line interface 30, be connected with message conversion process device 20, for one or more the first Big Dipper short messages are sent to the big-dipper satellite communicator, or, receive one or more the second Big Dipper short messages that come from the big-dipper satellite communicator.
In correlation technique, can't directly transmit the power information data by Big Dipper short message between on-the-spot meter-copy collector and central master station system.Adopt device as shown in Figure 1, Ethernet interface obtains the power information data message or reports power information data command message, message conversion process device, be connected with Ethernet interface, and the power information data message is converted to one or more the first Big Dipper short messages, or, one or more the second Big Dipper short messages are converted to and report power information data command message, serial line interface, with message conversion process device, be connected, one or more the first Big Dipper short messages are sent to the big-dipper satellite communicator, perhaps, reception comes from one or more second Big Dipper short messages of big-dipper satellite communicator, namely by message conversion process device, realize the mutual conversion between power information data message and one or more the first Big Dipper short message and one or more the second Big Dipper short message and one or more the second Big Dipper short message, to realize between on-the-spot meter-copy collector and central master station system adopting Big Dipper short message directly to carry out two-way communication, solved thus between on-the-spot meter-copy collector in the correlation technique and central master station system and can't directly transmit by the Big Dipper short message problem of power information data, and then realized that on-the-spot meter-copy collector can report to the central master station system by the residential electricity information data automatically, saved a large amount of manpowers, material resources and financial resources.
In a preferred embodiment, the big-dipper satellite communicator is connected with apparatus for forwarding message with the form of serial ports, has realized the sending and receiving of Big Dipper data message.When in serial line interface, having the data that need transmission, can send to big-dipper satellite by the big-dipper satellite antenna, can also receive in real time the Big Dipper data message that big-dipper satellite issues simultaneously.
Preferably, message conversion process device 20, for the power information data message is resolved, when the byte number of judging the power information data message is greater than the maximum single frames byte number of each the first Big Dipper short message, the power information data message is split and converts to a plurality of the first Big Dipper short messages.
In a preferred embodiment, message conversion process device 20, be responsible for the mutual conversion of Q/GDW376.1-2009 " power consumer power information acquisition system communication protocol: main website and the acquisition terminal communication protocol " Frame of agreement and the Frame of Big Dipper agreement.Message conversion process device 20 receives by Ethernet interface 10 the power information data message that the centralized automatic meter-reading harvester reports in real time, judges whether the length of this power information data message has surpassed the maximum frame size once sent that allows of Big Dipper short message.If surpassed, allow the maximum frame size once sent, the power information data message the centralized automatic meter-reading harvester the reported processing of unpacking, then each sub data packets after splitting re-groups package into Big Dipper short message, and sends by the big-dipper satellite antenna.
As a preferred embodiment of the present invention, consider that the length of the power information data message that the centralized automatic meter-reading harvester need to report has likely surpassed the maximum frame size once sent that allows of Big Dipper short message, therefore, need to be to the power information data message that the centralized automatic meter-reading harvester the reports processing of unpacking, each sub data packets after then splitting re-groups package into Big Dipper short message and sends successively.But, in the process of long-time running, packet loss or out of order phenomenon can occur unavoidably.For fear of above-mentioned situation, occur, can before the power information data message of each sub data packets, add 6 bytes, wherein, 4 bytes are time second in century, and 1 byte is the overall budget number, and 1 byte is Bale No..Time second in century of 4 bytes is for making receiving terminal that the message of same time is binned in together; The overall budget number need to be binned in together for meaning concrete one total how many sub data packets, can be used for judging having or not the packet loss phenomenon to occur; Bale No. is mainly for the order according to Bale No. when re-grouping package combines, and avoids thus the generation of out of order phenomenon.Therefore, the power information data message need to be combined into to form as shown in table 1, and the communication format of the second final Big Dipper short message becomes as shown in table 2.
Table 1
| Second in century | The bag sequence number | The overall budget number | The information about power message split |
| 32bit | 8bit | 8bit | 81 bytes of maximum length that Big Dipper card allows |
Table 2
Preferably, message conversion process device 20, for the power information data message is resolved, when the byte number of judging the power information data message is less than or equal to the maximum single frames byte number of each the first Big Dipper short message, directly the power information data message is converted to first Big Dipper short message.
In a preferred embodiment, if the length of the power information data message that the centralized automatic meter-reading harvester reports does not surpass and allows the maximum frame size once sent, without the power information data message that the centralized automatic meter-reading harvester the is reported processing of unpacking, but directly the power information data message is re-grouped package into to Big Dipper short message, and send by the big-dipper satellite antenna.
Preferably, message conversion process device 20, carry out integrality and accuracy verification for second Big Dipper short message to receiving, if verification succeeds directly converts second Big Dipper short message to report power information data command message to.
In a preferred embodiment, message conversion process device 20 can receive in real time the Big Dipper short message of big-dipper satellite transmission and carry out integrality and the accuracy verification, if verification is passed through, Big Dipper short message is converted to and report power information data command message to send in real time the centralized automatic meter-reading harvester by Ethernet interface 10.
Preferably, message conversion process device 20, for a plurality of the second Big Dipper short messages that receive are carried out respectively to integrality and accuracy verification, if equal verification succeeds is changed and reassembled into a plurality of the second Big Dipper short messages and reports power information data command message.
In a preferred embodiment, consider that the length that reports power information data command message that the central master station system need to send has likely surpassed the maximum frame size once sent that allows of Big Dipper short message, therefore, need to report the processing of unpacking of power information data command message to what the center main station system issued, each sub data packets after then splitting re-groups package into Big Dipper short message and sends successively.But, in the process of long-time running, packet loss or out of order phenomenon can occur unavoidably.For fear of above-mentioned situation, occur, can before the power information data message of each sub data packets, add 6 bytes, wherein, 4 bytes are time second in century, and 1 byte is the overall budget number, and 1 byte is Bale No..Time second in century of 4 bytes is for making receiving terminal that the message of same time is binned in together; The overall budget number need to be binned in together for meaning concrete one total how many sub data packets, can be used for judging having or not the packet loss phenomenon to occur; Bale No. is mainly for the order according to Bale No. when re-grouping package packages, and avoids thus the generation of out of order phenomenon.
It should be noted that, the above-mentioned form that reports power information data command message can be with reference to design as shown in table 1, and the form of above-mentioned Big Dipper short message can be with reference to design as shown in table 2.
Preferably, Ethernet interface 10, the power information data message reported be used to receiving centralized automatic meter-reading harvester (being above-mentioned on-the-spot meter-copy collector).
Preferably, Ethernet interface 10, for via the big-dipper satellite communicator, receive come from central master station report power information data command message.
In a preferred embodiment, Ethernet interface 10, be responsible for communicating with centralized automatic meter-reading harvester or the power information central master station system at resident scene, by Ethernet interface 10, can carry out real-time communication with the centralized automatic meter-reading harvester, receive in real time the power information data message that the centralized automatic meter-reading harvester reports, the power information data command message that reports that also can in real time power information central master station system be issued passes to the centralized automatic meter-reading harvester.
Preferably, as shown in Figure 2, said apparatus can also comprise: upgrading device 40; Upgrading device 40, be connected with message conversion process device, carries out real-time upgrading for the embedded program to message conversion process device.
In a preferred embodiment, the USB flash disk with the upgrading executable program can be inserted to message conversion process device, can complete voluntarily the upgrading of the inner embedded program of message conversion process device.Message conversion process device reads in real time under the USB catalogue and has or not executable program by thread, if do not read executable program, explanation does not have USB flash disk to insert or the current executable program of upgrading that do not need of USB flash disk.If can read executable program, explanation has had USB flash disk to insert, and then judges whether the executable program in USB flash disk is identical with the version of the current executable program moved, if identical, explanation does not need to carry out program upgrade, and the program of current operation has been recent program; If not identical, the executable program of USB flash disk is replaced to the current executable program moved, and software kills process, equipment is restarted.After equipment restarted, whether if USB flash disk does not pull out, can reappear detection had the executable program that needs programming, if have, but now the version of the program in program and the USB flash disk of operation is identical, therefore no longer carry out any processing, whether the continuation Real-Time Monitoring finds new executable program.
Preferably, as shown in Figure 2, said apparatus can also comprise: power supply device 50; Power supply device 50, be connected with message conversion process device, is used to the power supply of message conversion process device.
In a preferred embodiment, can only there be 220V grade alternating current in the residential electricity consumption scene, and this power supply device 50 is responsible for converting on-the-spot AC220V to the DC12V power supply, is 20 power supplies of message conversion process device.
Fig. 3 is the structured flowchart according to the message forwarding system of the embodiment of the present invention.As shown in Figure 3, this message forwarding system can comprise: above-mentioned apparatus for forwarding message 1; Big-dipper satellite communicator 2, with the serial line interface 30 of apparatus for forwarding message 1, be connected, for the power information data message after apparatus for forwarding message 1 conversion process is sent to central master station via the big-dipper satellite communication server 3, perhaps, via what the big-dipper satellite communication server 3 receiving center main websites sent, report power information data command message; The big-dipper satellite communication server 3, with big-dipper satellite communicator 2, be connected, for the power information data message after apparatus for forwarding message 1 conversion process is carried out to the inverse transform processing, obtain the power information data message, and be sent to central master station, perhaps, central master station is sent report power information data command message to carry out conversion process after, be sent to big-dipper satellite communicator 2.
Adopt system as shown in Figure 3, solved between on-the-spot meter-copy collector in the correlation technique and central master station system and can't directly transmit by the Big Dipper short message problem of power information data, and then realized that on-the-spot meter-copy collector can report to the central master station system by the residential electricity information data automatically, has saved a large amount of human and material resources and financial resources.
In a preferred embodiment, at first, between centralized automatic meter-reading harvester and apparatus for forwarding message 1, communicate being connected of link by Ethernet interface 10, by serial line interface 30, communicate being connected of link between apparatus for forwarding message 1 and big-dipper satellite communicator 2.Secondly, the big-dipper satellite communicator 2 of user side will communicate being connected of link with the big-dipper satellite communicator of central master station end by the big-dipper satellite communication link.Then, the data that the big-dipper satellite communicator of central master station end will receive by serial line interface are sent to the big-dipper satellite communication server 3, the big-dipper satellite communication server 3, after one or more Big Dipper short message counter-rotatings are changed to the power information data message, is passed to the central master station system by the networking pattern.Thus, accurate transmission and the Frame in reception and " power consumer power information acquisition system communication protocol: main website and acquisition terminal communication protocol " agreement and the mutual conversion of Big Dipper short message format data frame of Big Dipper data long messages have been realized, according to what 698 stipulations were processed long messages, unpack, organize bag, finally realized the data transparent transmission between central master station and on-the-spot centralized automatic meter-reading harvester.
Otherwise, when power information central master station system reports power information data command message to the transmission of centralized automatic meter-reading harvester, according to " power consumer power information acquisition system communication protocol: main website and acquisition terminal communication protocol ", data are given to the big-dipper satellite communication server of main website end.The big-dipper satellite communication server is realized the conversion of former power information acquisition protocols to Big Dipper communication protocol, and by Big Dipper communication link by data retransmission to apparatus for forwarding message 1, apparatus for forwarding message 1 carries out the conversion of Big Dipper agreement to the power information acquisition protocols, and is handed down to the centralized automatic meter-reading harvester.
Fig. 4 is the flow chart according to the message forwarding method of the embodiment of the present invention.As shown in Figure 4, the method can comprise following treatment step:
Step S402: receive the power information data message that comes from the centralized automatic meter-reading harvester;
Step S404: the power information data message is converted to one or more the first Big Dipper short messages;
Step S406: send one or more the first Big Dipper short messages after changing to Big Dipper satellite communications services device, wherein, one or more the first Big Dipper short messages after conversion, after by the big-dipper satellite communication server, being reduced into the power information data message, are sent to central master station by the big-dipper satellite communication server.
For the distinctive maximum single frames of Beidou satellite communication system in correlation technique, can support the short message function of 100 byte transmittings, the length of the power information data message of uploading in conjunction with platform district centralized automatic meter-reading harvester may occur much larger than 100 bytes, but the lower actual conditions of its transmission frequency.Adopt method as shown in Figure 4, can effectively solve between on-the-spot meter-copy collector in correlation technique and central master station system and can't directly transmit by the Big Dipper short message problem of power information data, and then realized that on-the-spot meter-copy collector can report to the central master station system by the residential electricity information data automatically, has saved a large amount of human and material resources and financial resources.
Preferably, in step S404, the power information data message is converted to one or more Big Dipper short messages and can comprises following operation:
Step S1: the power information data message is resolved, judge whether the byte number of power information data message is greater than the maximum single frames byte number of each the first Big Dipper short message;
Step S2: if not, directly the power information data message is converted to first Big Dipper short message, and in this first Big Dipper short message, add the identification information of centralized automatic meter-reading harvester, wherein, identification information identifies for the big-dipper satellite communication server centralized automatic meter-reading harvester that this first Big Dipper short message belongs to;
Step S3: if, the power information data message is split, convert a plurality of the first Big Dipper short messages to, and in each first Big Dipper short message, add respectively identification information and the serial number information corresponding with each the first Big Dipper short message, wherein, serial number information is recombinated to a plurality of the first Big Dipper short messages for the big-dipper satellite communication server.
In a preferred embodiment, Zai Tai district centralized automatic meter-reading harvester side, the length can automatic reception centralized automatic meter-reading harvester sent is much larger than the power information data message of 100 bytes, therefore the power information data message need to be split as automatically to several single bags and be not more than 100 bytes and orderly subdata bag, then by the big-dipper satellite communicator, with the frequency of 30 second/times, send above-mentioned orderly subdata bag the big-dipper satellite communication server of main website side to.The big-dipper satellite communication server can determine which centralized automatic meter-reading harvester Big Dipper short message belongs to, and the Big Dipper short message namely different centralized automatic meter-reading harvesters reported is distinguished according to sign (ID) card number of the Big Dipper in the Big Dipper short message received (being above-mentioned identification information).In addition, can also determine that needs are binned in how many Big Dipper short messages together and according to which kind of, sequentially package when recombinating according to the serial number information in Big Dipper short message (can comprise: information and Bale No. information are counted in overall budget), avoid thus the generation of out of order phenomenon.
Preferably, at step S402, before receiving the power information data message, can also comprise the following steps:
Step S4: receive one or more the second Big Dipper short messages that come from central master station;
Step S5: one or more the second Big Dipper short messages are converted to and report power information data command message, wherein, report power information data command message to be used to indicate the centralized automatic meter-reading harvester and report the power information data;
Step S6: send and report power information data command message to the centralized automatic meter-reading harvester.
In a preferred embodiment, according to the electric quantity data transmission protocol, the central master station system need to issue the order of temporarily checking meter to the centralized automatic meter-reading harvester in each district.The data packet length of the order of temporarily checking meter that central master station issues is generally less than or equal to 100 bytes, but the data packet length that does not mean the order of temporarily checking meter that central master station issues can be limited in 100 bytes, also can be according to the check meter data packet length (namely may there will be the data packet length of the order of checking meter to be greater than the situation of 100 bytes) of order of actual conditions adjustment temporarily temporarily, therefore, under normal conditions, the order of temporarily checking meter that central master station issues is without unpacking and organizing bag.The big-dipper satellite communication server is receiving temporarily the checking meter during order of central master station, can be according to the address information of the centralized automatic meter-reading harvester shown in above-mentioned table 2 and the corresponding relation of Big Dipper ID card, after the order of temporarily checking meter converts one or more Big Dipper short messages to, via the big-dipper satellite communicator, be sent to apparatus for forwarding message, apparatus for forwarding message is by protocol conversion, restore the order of temporarily checking meter, and be transmitted to the centralized automatic meter-reading harvester by the network interface order of checking meter temporarily, to complete central master station, issue to the instruction of centralized automatic meter-reading harvester.
Preferably, in step S5, second Big Dipper short message is converted to and reports power information data command message can comprise following operation:
Step S51: second Big Dipper short message received is carried out to integrality and accuracy verification;
Step S52: if verification succeeds directly converts second Big Dipper short message to report power information data command message to.
Preferably, by step S5, a plurality of the second Big Dipper short messages are converted to and report power information data command message to comprise the following steps:
Step S53: successively a plurality of the second Big Dipper short messages that receive are carried out to integrality and accuracy verification;
Step S54: if equal verification succeeds is changed and reassembled into a plurality of the second Big Dipper short messages and reports power information data command message.
From above description, can find out, above-described embodiment has been realized following technique effect (it should be noted that these effects are effects that some preferred embodiment can reach): the technical scheme that the embodiment of the present invention provides can be applied in without the GPRS/CDMA signal, without fixed line, from far-off regions to realize the automatic transmission of user's electric quantity data without " three nothings " of the Internet.And the technical scheme that provides of the embodiment of the present invention can in the situation that do not change the platform district the centralized automatic meter-reading harvester, do not change Utilities Electric Co.'s power information and gather the central master station system, utilize the peculiar two-way communication short message of Beidou satellite system function, realize automatically uploading of residential electricity information, greatly improve power industry the present situation of manual metering has been adopted in above-mentioned " three nothings " remote districts, saved a large amount of human and material resources and financial resources.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, and in some cases, can carry out step shown or that describe with the order be different from herein, perhaps they are made into respectively to each integrated circuit modules, perhaps a plurality of modules in them or step being made into to the single integrated circuit module realizes.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (15)
1. an apparatus for forwarding message, is characterized in that, comprising:
Ethernet interface, be used to obtaining the power information data message or reporting power information data command message;
Message conversion process device, with described Ethernet interface, be connected, for described power information data message is converted to one or more the first Big Dipper short messages, or, one or more the second Big Dipper short messages are converted to the described power information data command message that reports;
Serial line interface, with described message conversion process device, be connected, for described one or more the first Big Dipper short messages are sent to the big-dipper satellite communicator, or, described one or more the second Big Dipper short messages that come from described big-dipper satellite communicator received.
2. device according to claim 1, it is characterized in that, described message conversion process device, for described power information data message is resolved, when the byte number of judging described power information data message is greater than the maximum single frames byte number of each the first Big Dipper short message, described power information data message is split and converts to a plurality of the first Big Dipper short messages.
3. device according to claim 1, it is characterized in that, described message conversion process device, for described power information data message is resolved, when the byte number of judging described power information data message is less than or equal to the maximum single frames byte number of each the first Big Dipper short message, directly described power information data message is converted to first Big Dipper short message.
4. device according to claim 1, it is characterized in that, described message conversion process device, for second Big Dipper short message received is carried out to integrality and accuracy verification, if verification succeeds, directly convert described second Big Dipper short message to the described power information data command message that reports.
5. device according to claim 1, it is characterized in that, described message conversion process device, for a plurality of the second Big Dipper short messages that receive are carried out respectively to integrality and accuracy verification, if all verification succeeds, change and reassemble into the described power information data command message that reports to described a plurality of the second Big Dipper short messages.
6. device according to claim 1, is characterized in that, described Ethernet interface, the described power information data message reported be used to receiving the centralized automatic meter-reading harvester.
7. device according to claim 1, is characterized in that, described Ethernet interface, for receiving the described power information data command message that reports that comes from central master station via described big-dipper satellite communicator.
8. device according to claim 1, is characterized in that, described device also comprises: the upgrading device;
Described upgrading device, be connected with described message conversion process device, carries out real-time upgrading for the embedded program to described message conversion process device.
9. device according to claim 1, is characterized in that, described device also comprises: power supply device;
Described power supply device, be connected with described message conversion process device, is used to described message conversion process device power supply.
10. a message forwarding system, is characterized in that, comprising: the described apparatus for forwarding message of any one in claim 1 to 9;
Described big-dipper satellite communicator, with the described serial line interface of described apparatus for forwarding message, be connected, for the described power information data message after described apparatus for forwarding message conversion process is sent to described central master station via the big-dipper satellite communication server, perhaps, via the described big-dipper satellite communication server, receive the described power information data command message that reports that described central master station sends;
The described big-dipper satellite communication server, with described big-dipper satellite communicator, be connected, for the described power information data message after described apparatus for forwarding message conversion process is carried out to the inverse transform processing, obtain described power information data message, and be sent to described central master station, perhaps, described central master station is sent described report power information data command message to carry out conversion process after, be sent to described big-dipper satellite communicator.
11. a message forwarding method, is characterized in that, comprising:
Reception comes from the power information data message of centralized automatic meter-reading harvester;
Described power information data message is converted to one or more the first Big Dipper short messages;
To Big Dipper satellite communications services device, send one or more the first Big Dipper short messages after changing, wherein, one or more the first Big Dipper short messages after described conversion, after by the described big-dipper satellite communication server, being reduced into described power information data message, are sent to central master station by the described big-dipper satellite communication server.
12. method according to claim 11, is characterized in that, described power information data message is converted to described one or more Big Dipper short message and comprises:
Described power information data message is resolved, judge whether the byte number of described power information data message is greater than the maximum single frames byte number of each the first Big Dipper short message;
If not, directly described power information data message is converted to first Big Dipper short message, and in this first Big Dipper short message, add the identification information of described centralized automatic meter-reading harvester, wherein, described identification information identifies for the described big-dipper satellite communication server centralized automatic meter-reading harvester that this first Big Dipper short message belongs to;
If, described power information data message is split, convert a plurality of the first Big Dipper short messages to, and in each first Big Dipper short message, add respectively described identification information and the serial number information corresponding with described each the first Big Dipper short message, wherein, described serial number information is recombinated to described a plurality of the first Big Dipper short messages for the described big-dipper satellite communication server.
13. method according to claim 11, is characterized in that, before receiving described power information data message, also comprises:
Reception comes from one or more second Big Dipper short messages of central master station;
Described one or more the second Big Dipper short messages are converted to and report power information data command message, wherein, describedly report power information data command message to be used to indicate described centralized automatic meter-reading harvester to report the power information data;
To described centralized automatic meter-reading harvester, send the described power information data command message that reports.
14. method according to claim 13, is characterized in that, second Big Dipper short message is converted to the described power information data command message that reports and comprises:
Described second Big Dipper short message received is carried out to integrality and accuracy verification;
If verification succeeds, directly convert described second Big Dipper short message to the described power information data command message that reports.
15. method according to claim 13, is characterized in that, a plurality of the second Big Dipper short messages is converted to the described power information data command message that reports and comprises:
Successively described a plurality of the second Big Dipper short messages that receive are carried out to integrality and accuracy verification;
If all verification succeeds, change and reassemble into the described power information data command message that reports to described a plurality of the second Big Dipper short messages.
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| CN201310370054.2A CN103415001B (en) | 2013-08-22 | 2013-08-22 | Device, system and method for message forwarding |
| CA2921075A CA2921075C (en) | 2013-08-22 | 2013-09-23 | System, method and apparatus for transmitting electrical quantity data based on beidou satellite communication |
| PCT/CN2013/083996 WO2015024284A1 (en) | 2013-08-22 | 2013-09-23 | Beidou satellite communication-based electric quantity data transmission system, method and apparatus |
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| CN201310370054.2A CN103415001B (en) | 2013-08-22 | 2013-08-22 | Device, system and method for message forwarding |
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