CN113794949A - Multi-scene electric energy metering data transmission system and method - Google Patents
Multi-scene electric energy metering data transmission system and method Download PDFInfo
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- CN113794949A CN113794949A CN202110922140.4A CN202110922140A CN113794949A CN 113794949 A CN113794949 A CN 113794949A CN 202110922140 A CN202110922140 A CN 202110922140A CN 113794949 A CN113794949 A CN 113794949A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000012634 fragment Substances 0.000 claims description 52
- 238000005538 encapsulation Methods 0.000 claims description 18
- 238000013467 fragmentation Methods 0.000 claims description 12
- 238000006062 fragmentation reaction Methods 0.000 claims description 12
- 238000004806 packaging method and process Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 description 8
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/90—Buffering arrangements
- H04L49/9057—Arrangements for supporting packet reassembly or resequencing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/04—Protocols for data compression, e.g. ROHC
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2212/00—Encapsulation of packets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/60—Arrangements in telecontrol or telemetry systems for transmitting utility meters data, i.e. transmission of data from the reader of the utility meter
Abstract
The invention provides a multi-scene electric energy metering data transmission system and a multi-scene electric energy metering data transmission method, wherein the system comprises an intelligent electric energy meter, a metering terminal, a master station and an electric power metering comprehensive platform; the metering terminal is respectively connected with the intelligent electric energy meter and the master station, and the master station is connected with the electric power metering comprehensive platform; the method includes that a metering terminal collects electric energy metering data of an intelligent electric energy meter and transmits the electric energy metering data to a master station, and the master station divides and encapsulates data messages into tunnel messages and transmits the tunnel messages to an electric energy metering comprehensive platform. The problem that long messages with bandwidth limitation are directly discarded or redundantly cached in the prior art is solved, so that the purpose of reasonably distributing the length of one-time data transmission according to the length of a transmission control protocol on the premise of fully utilizing the bandwidth is achieved, and the broadband resources are reasonably and efficiently utilized.
Description
Technical Field
The invention relates to the technical field of data processing, in particular to a multi-scene electric energy metering data transmission system and method.
Background
The data packet is a data unit used for exchanging and transmitting in the internet through a certain technical standard or data protocol. With the development of communication technology and electronic technology, more and more complex services need to be processed by computing devices, such as computers. When complex services are cached and forwarded by processing data messages, a computer needs a long time to complete processing. When the data stream of the complex service forwarded by the data message cache is a high-speed data stream, the time interval between the messages is narrow, and in order to ensure the real-time performance of stream processing, the processing window reserved for each message is limited. In the process of processing complex services forwarded by data message caching, one message needs multiple clock cycles to complete processing due to high calculation complexity. For example, the token calculation and token bucket maintenance in the committed access rate mechanism require large bit width operations such as multiplication and addition, which require at least 3 clock cycles to complete.
The existing data message of the electric energy meter usually contains complete data information to be sent, and the data message is not consistent in length and is unlimited and variable in length. When the existing electric power measurement data message transmission mode is used for reading a data message, the length of one-time transmission of the data cannot be well distributed reasonably according to the length of a transmission control protocol, so that the problems of resource waste and low reading speed are caused.
The processing capacity of the data message of the electric energy measurement is an important index for measuring the performance of the management network equipment of the measurement service, and the effective caching and the efficient forwarding of the data message can improve the transmission speed of the data.
Disclosure of Invention
In order to solve the problems, the invention provides a multi-scene electric energy metering data transmission system and a multi-scene electric energy metering data transmission method, wherein the system comprises an intelligent electric energy meter, a metering terminal, a master station and an electric power metering comprehensive platform; the metering terminal is respectively connected with the intelligent electric energy meter and the master station, and the master station is connected with the electric power metering comprehensive platform; the method includes that a metering terminal collects electric energy metering data of an intelligent electric energy meter and transmits the electric energy metering data to a master station, and the master station divides and encapsulates data messages into tunnel messages and transmits the tunnel messages to an electric energy metering comprehensive platform. The problem of direct discarding or redundant caching of long messages with bandwidth limitation in the prior art is solved, the length of one-time data transmission is reasonably distributed according to the length of a transmission control protocol, and broadband resources are reasonably and efficiently utilized.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a multi-scene electric energy metering data transmission system comprises an intelligent electric energy meter, a metering terminal, a master station and an electric power metering comprehensive platform; the metering terminal is respectively connected with the intelligent electric energy meter and the master station so as to collect electric energy metering data of the intelligent electric energy meter and transmit the electric energy metering data to the master station in a data message form; and the master station is connected with the electric power metering comprehensive platform, divides and encapsulates the data messages into tunnel message forms and transmits the tunnel message forms to the electric power metering comprehensive platform through a tunnel.
Furthermore, the metering terminal comprises a station electric energy acquisition terminal, a load management terminal, a low-voltage meter reading concentrator or a distribution transformer monitoring and metering terminal.
Furthermore, the master station comprises an electric energy metering cache forwarding subsystem, and the electric energy metering cache forwarding subsystem is provided with a data input circuit, a cache interface circuit, a linked list management circuit, a forwarding scheduling circuit, a data output circuit, a data cache and a linked list memory.
A multi-scene electric energy metering data transmission method is applied to the multi-scene electric energy metering data transmission system and comprises the following steps:
s1: determining the message length of a data message to be sent;
s2: cutting and fragmenting the data message according to the message length and the message packaging format to obtain a fragmented message;
s3: and encapsulating the fragment message according to the message encapsulation format to obtain a tunnel message, and performing data transmission through the tunnel.
Further, the slicing and fragmenting the data packet according to the packet length and the packet encapsulation format to obtain the fragmented packet includes the following steps:
s21: comparing whether the message length value of the first row of the data message is larger than the maximum transmission unit value of a preset fragmentation message, and if so, fragmenting the data message;
s22: dividing the length of the data message by the maximum transmission unit value of a preset fragmentation message and then taking the rounded quotient up as the fragmentation number;
s23: and dividing the data message into a plurality of fragment messages according to the calculated fragment quantity.
Further, the length of the last fragmentation message in the fragmentation messages is smaller than or equal to the maximum transmission unit value, and the lengths of the rest fragmentation messages are the maximum transmission unit values.
Further, the step of encapsulating the fragment message according to the message encapsulation format to obtain a tunnel message means that when the number of tokens in the tunnel meets the current bandwidth transmission requirement, the fragment message is encapsulated by using the first encapsulation format to obtain the tunnel message; and when the token number of the tunnel does not accord with the current bandwidth transmission requirement, packaging the fragment message by using a second packaging format to obtain the tunnel message.
Further, the method for obtaining the tunnel packet by encapsulating the fragment packet using the first encapsulation format includes: and dividing the fragment message according to a first fragment format, compressing the divided fragment message by using a first compression format, and re-encapsulating the compressed message data and the message header to obtain the tunnel message.
Further, the method for obtaining the tunnel packet by encapsulating the fragment packet using the second encapsulation format includes: and dividing the fragment message according to a second fragment format, compressing the divided fragment message by using a second compression format, and re-encapsulating the compressed message data and the message header to obtain the tunnel message.
The invention provides a multi-scene electric energy metering data transmission system and a multi-scene electric energy metering data transmission method, wherein the system comprises an intelligent electric energy meter, a metering terminal, a master station and an electric power metering comprehensive platform; the metering terminal is respectively connected with the intelligent electric energy meter and the master station, and the master station is connected with the electric power metering comprehensive platform; the method includes that a metering terminal collects electric energy metering data of an intelligent electric energy meter and transmits the electric energy metering data to a master station, and the master station divides and encapsulates data messages into tunnel messages and transmits the tunnel messages to an electric energy metering comprehensive platform. The problem that long messages with bandwidth limitation are directly discarded or redundantly cached in the prior art is solved, so that the purpose of reasonably distributing the length of one-time data transmission according to the length of a transmission control protocol on the premise of fully utilizing the bandwidth is achieved, and the broadband resources are reasonably and efficiently utilized.
Drawings
FIG. 1 is a schematic diagram of a multi-scenario electric energy metering data transmission system;
fig. 2 is a flowchart of a multi-scenario electric energy metering data transmission method.
Detailed Description
The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
Example one
Fig. 1 is a schematic diagram of a multi-scenario electric energy metering data transmission system, where the system includes an intelligent electric energy meter, a metering terminal, a master station, and an electric power metering integrated platform; the metering terminal is respectively connected with the intelligent electric energy meter and the master station to collect electric energy metering data of the intelligent electric energy meter and transmit the electric energy metering data to the master station in a data message form, the master station is connected with the electric power metering comprehensive platform, and the electric energy metering data messages are divided and packaged into tunnel message forms and are transmitted to the electric power metering comprehensive platform through tunnels. The metering terminal comprises metering equipment such as a station electric energy acquisition terminal, a load management terminal, a low-voltage meter reading concentrator or a distribution transformer monitoring metering terminal and the like; the master station comprises an electric energy metering cache forwarding subsystem, and the electric energy metering cache forwarding subsystem is internally provided with a data input circuit, a cache interface circuit, a linked list management circuit, a forwarding scheduling circuit, a data output circuit, a data buffer and a linked list memory.
In specific implementation, the data input circuit is configured to receive a data packet of the electric energy meter, determine a packet length of the data packet, and if the received data packet is smaller than or equal to a size of one storage unit, the data packet occupies one independent storage unit. If the received data message is larger than the size of one storage unit, the data message is cut into a plurality of data fragments, then the plurality of data fragments are respectively stored in a storage unit through a buffer interface circuit, the storage units storing the plurality of data fragments form a linked list through a linked list management circuit and are sent to a forwarding scheduling circuit and a linked list storage, so as to complete the writing of the data packet, when the data packet needs to be read from the data buffer, the forwarding scheduling circuit reads the data from the corresponding storage unit according to the linked list information in the linked list memory, meanwhile, the data buffer recovers the corresponding storage unit, the read data fragments are encapsulated into a tunnel message by using the corresponding message encapsulation format through the data output circuit and then output, and transmitting the tunnel message through the tunnel for data transmission, and transmitting the tunnel message upwards to the electric power metering comprehensive platform layer by layer.
Example two
Fig. 2 is a flow chart of a multi-scenario electric energy metering data transmission method, which includes the following steps:
s1: determining the message length of a data message to be sent;
s2: judging whether the data message needs to be fragmented or not according to the message length and the message packaging format, if so, fragmenting the data message to obtain a fragmented message;
s3: and encapsulating the fragment message according to the message encapsulation format to obtain a tunnel message and transmitting data through the tunnel.
In a specific implementation, the determining whether the data packet needs to be fragmented refers to comparing whether the packet length value of the first row of the data packet is greater than a preset maximum transmission unit value of a fragmented packet (that is, the size of one storage unit is stored), and if so, determining that the data packet can be fragmented.
In a specific implementation, the fragmenting the data packet to obtain the fragment packet means dividing the data packet by a preset maximum transmission unit value of the fragment packet, taking an upward rounded quotient as a fragment number, and dividing the data packet into a plurality of fragment packets according to the calculated fragment number; the length of the last fragment message in the plurality of fragment messages is less than or equal to the maximum transmission unit value, and the lengths of the rest fragment messages are the maximum transmission unit values.
In a specific implementation, the encapsulating the fragment packet according to the packet encapsulation format to obtain a tunnel packet and perform data transmission through the tunnel refers to encapsulating the fragment packet according to the first encapsulation format to obtain the tunnel packet and performing data transmission on the tunnel packet through the tunnel when the number of tokens in the tunnel meets the current bandwidth transmission requirement. And when the token number of the tunnel does not accord with the current bandwidth transmission requirement, packaging the fragment message by using a second packaging format to obtain a tunnel message, and transmitting data of the tunnel message through the tunnel.
In a specific implementation, the method for obtaining a tunnel packet by encapsulating a fragment packet using a first encapsulation format includes: and dividing the fragment message according to a first fragment format, compressing the divided fragment message by using a first compression format, and re-encapsulating the compressed message data and the message header to obtain the tunnel message.
In a specific implementation, the method for obtaining the tunnel packet by encapsulating the fragment packet using the second encapsulation format includes: and dividing the fragment message according to a second fragment format, compressing the divided fragment message by using a second compression format, and re-encapsulating the compressed message data and the message header to obtain the tunnel message.
The invention provides a multi-scene electric energy metering data transmission system and a multi-scene electric energy metering data transmission method, wherein the system comprises an intelligent electric energy meter, a metering terminal, a master station and an electric power metering comprehensive platform; the metering terminal is respectively connected with the intelligent electric energy meter and the master station, and the master station is connected with the electric power metering comprehensive platform; the method includes that a metering terminal collects electric energy metering data of an intelligent electric energy meter and transmits the electric energy metering data to a master station, and the master station divides and encapsulates data messages into tunnel messages and transmits the tunnel messages to an electric energy metering comprehensive platform. The problem that long messages with bandwidth limitation are directly discarded or redundantly cached in the prior art is solved, so that the purpose of reasonably distributing the length of one-time data transmission according to the length of a transmission control protocol on the premise of fully utilizing the bandwidth is achieved, and the broadband resources are reasonably and efficiently utilized.
In the present invention, unless otherwise expressly stated or limited, the first feature may be "on" the second feature in direct contact with the second feature, or the first and second features may be in indirect contact via an intermediate. "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The above description is for the purpose of illustrating embodiments of the invention and is not intended to limit the invention, and it will be apparent to those skilled in the art that any modification, equivalent replacement, or improvement made without departing from the spirit and principle of the invention shall fall within the protection scope of the invention.
Claims (9)
1. A multi-scene electric energy metering data transmission system is characterized by comprising an intelligent electric energy meter, a metering terminal, a master station and an electric power metering comprehensive platform; the metering terminal is respectively connected with the intelligent electric energy meter and the master station so as to collect electric energy metering data of the intelligent electric energy meter and transmit the electric energy metering data to the master station in a data message form; and the master station is connected with the electric power metering comprehensive platform, divides and encapsulates the data messages into tunnel message forms and transmits the tunnel message forms to the electric power metering comprehensive platform through a tunnel.
2. The multi-scenario electric energy metering data transmission system according to claim 1, wherein the metering terminal comprises a plant station electric energy collecting terminal, a load management terminal, a low voltage meter reading concentrator or a distribution transformer monitoring metering terminal.
3. The multi-scenario electric energy metering data transmission system according to claim 1, wherein the master station includes an electric energy metering cache forwarding subsystem, and a data input circuit, a cache interface circuit, a linked list management circuit, a forwarding scheduling circuit, a data output circuit, a data cache, and a linked list memory are disposed in the electric energy metering cache forwarding subsystem.
4. A multi-scenario electric energy metering data transmission method applied to the multi-scenario electric energy metering data transmission system of any one of claims 1 to 3, comprising the following steps:
s1: determining the message length of a data message to be sent;
s2: cutting and fragmenting the data message according to the message length and the message packaging format to obtain a fragmented message;
s3: and encapsulating the fragment message according to the message encapsulation format to obtain a tunnel message, and performing data transmission through the tunnel.
5. The multi-scenario electric energy metering data transmission method according to claim 4, wherein the slicing the data packet according to the packet length and the packet encapsulation format to obtain sliced packets comprises the following steps:
s21: comparing whether the message length value of the first row of the data message is larger than the maximum transmission unit value of a preset fragmentation message, and if so, fragmenting the data message;
s22: dividing the length of the data message by the maximum transmission unit value of a preset fragmentation message and then taking the rounded quotient up as the fragmentation number;
s23: and dividing the data message into a plurality of fragment messages according to the calculated fragment quantity.
6. The transmission method of multi-scenario electric energy metering data according to claim 5, wherein the length of the last fragmentation message in the plurality of fragmentation messages is less than or equal to the maximum transmission unit value, and the lengths of the rest fragmentation messages are the maximum transmission unit value.
7. The transmission method of the multi-scenario electric energy metering data according to claim 4, wherein the encapsulating of the fragment message according to the message encapsulation format to obtain the tunnel message means that when the token number of the tunnel meets the current bandwidth transmission requirement, the fragment message is encapsulated by using a first encapsulation format to obtain the tunnel message; and when the token number of the tunnel does not accord with the current bandwidth transmission requirement, packaging the fragment message by using a second packaging format to obtain the tunnel message.
8. The transmission method of multi-scenario electric energy metering data according to claim 7, wherein the method for obtaining the tunnel packet by encapsulating the fragment packet using the first encapsulation format is: and dividing the fragment message according to a first fragment format, compressing the divided fragment message by using a first compression format, and re-encapsulating the compressed message data and the message header to obtain the tunnel message.
9. The transmission method of multi-scenario electric energy metering data according to claim 7, wherein the method for obtaining the tunnel packet by encapsulating the fragment packet using the second encapsulation format is: and dividing the fragment message according to a second fragment format, compressing the divided fragment message by using a second compression format, and re-encapsulating the compressed message data and the message header to obtain the tunnel message.
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