CN112289017A - Remote meter reading method and system for intelligent electric energy meter - Google Patents
Remote meter reading method and system for intelligent electric energy meter Download PDFInfo
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- CN112289017A CN112289017A CN202011171070.5A CN202011171070A CN112289017A CN 112289017 A CN112289017 A CN 112289017A CN 202011171070 A CN202011171070 A CN 202011171070A CN 112289017 A CN112289017 A CN 112289017A
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0061—Error detection codes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1806—Go-back-N protocols
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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
- H04L69/22—Parsing or analysis of headers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
Abstract
The invention discloses a remote meter reading method and a remote meter reading system for an intelligent electric energy meter, which comprise the steps of establishing communication connection between a mobile terminal Bluetooth and a Bluetooth module on the intelligent electric energy meter; acquiring a table address; selecting query time and query events according to a protocol according to which the ammeter is selected, and entering a message interaction stage; starting a thread, forming a request message according to the selected protocol and sending the request message; and finally, combining the message segments, analyzing the data items according to the selected protocol and displaying. According to the invention, through setting the tab, the protocol selection is carried out before the request message is sent, so that the compatibility of the single-phase table and the three-phase table is realized, and the subsequent message analysis is facilitated; when receiving the request message, the effect of automatically sending and receiving the follow-up frame message request is achieved in a mode of starting the thread and waiting the thread, the termination frame of the message is repeatedly confirmed in the follow-up process, data analysis and display are guaranteed after the message is completely received, and data loss of the ammeter during remote meter reading can be effectively prevented.
Description
Technical Field
The invention relates to the technical field of intelligent electric energy meters, in particular to a remote meter reading method and system of an intelligent electric energy meter.
Background
The intelligent electric energy meter is an intelligent terminal of an intelligent power grid, and has intelligent functions of bidirectional multi-rate metering, user side control, bidirectional data communication in multiple data transmission modes and the like in order to adapt to the use of the intelligent power grid and new energy besides the metering function of the basic electricity consumption of the traditional electric energy meter.
The existing electric energy meter can adopt a hand-held reading mode besides a door-to-door reading mode, but needs to purchase hand-held reading and aims at infrared communication, so that the application is inconvenient. Although some intelligent electric energy meters can replace the traditional meter reading mode through a remote meter reading mode, because the data items and the data quantity of events such as minute freezing, day freezing and the like of the electric energy meters are more, the messages returned by the electric energy meters once have length limitation, and part of the messages with subsequent frames are easy to cut off or lose in the remote meter reading process, so that the data loss of the electric energy meters is caused.
Disclosure of Invention
The remote meter reading method for the intelligent electric energy meter can solve the technical defects.
In order to achieve the purpose, the invention adopts the following technical scheme:
a remote meter reading method for an intelligent electric energy meter comprises
A remote meter reading method of an intelligent electric energy meter mainly comprises the following steps:
s1: establishing communication connection between the mobile terminal Bluetooth and a Bluetooth module on the intelligent electric energy meter;
s2: acquiring a table address;
s3: selecting query time and query events according to a protocol according to which the ammeter is selected, and entering a message interaction stage;
s4: starting a thread, forming a request message according to the protocol selected in the step S3 and sending the request message;
s5: for the uncapping event and the power failure event which have short messages and no subsequent frames, carrying out check bit calculation on the received request message, if the received request message is correct, directly entering the step S9, and if the received request message is wrong, retransmitting the request message;
s6: for the message with longer length and most of the minutes freezing and the days freezing of the subsequent frames, the check bit calculation is carried out on the received request message, if the received request message is correct, the step S7 is directly carried out, and if the received request message is wrong, the request message is retransmitted;
s7: judging the initial frame of the framing transmission, if no subsequent frame exists, directly entering the step S9, if the subsequent frame exists, sending a subsequent frame request message, and carrying out check bit calculation on the received request message, if the subsequent frame exists, directly entering the step S8, and if the subsequent frame exists, re-sending the request message;
s8: extracting message segments, carrying out framing transmission confirmation bit judgment, directly entering step S9 if the frame is a termination frame, returning to the previous step to resend a subsequent frame request message if the frame is an intermediate frame, and repeating the execution process until the confirmation bit is the termination frame;
s9: and combining the message segments, analyzing the data items according to the selected protocol and displaying.
Further, the method for acquiring the table address in step S2 is to automatically acquire the table address according to the generic probe message or manually input the table address.
Further, the protocol selected in the step S3 is a DL/T645-2007 or DL/T698.45-2017 protocol, so as to realize the compatibility of the single-phase table and the three-phase table.
Further, in step S9, the minute frozen data and the day frozen data are displayed in a table format, and the remaining data are displayed in a list format.
Furthermore, the table can slide in both the horizontal direction and the vertical direction, and the horizontal title bar and the vertical title bar are fixed during sliding.
Furthermore, after the request message is sent and before the check bit is calculated, the thread is required to wait for 3 to 5 seconds for receiving the request message.
On the other hand, the invention also discloses a remote meter reading system of the intelligent electric energy meter, which comprises the following units,
the communication unit is used for establishing communication connection between the mobile terminal Bluetooth and the Bluetooth module on the intelligent electric energy meter;
a table address acquisition unit configured to acquire a table address;
the message interaction unit is used for selecting the query time and the query event according to the protocol according to which the ammeter is selected, and entering a message interaction stage;
a message sending unit, which is used for starting the thread, forming a request message according to the selected protocol and sending the request message;
the checking unit is used for carrying out check bit calculation on the received request message for the uncapping event and the power failure event which have short messages and no subsequent frames, if the uncapping event and the power failure event are correct, the request message directly enters the display unit, and if the uncapping event and the power failure event are wrong, the request message is retransmitted;
for the message with longer length and most of the minutes freezing and the days freezing of the subsequent frames, the check bit calculation is carried out on the received request message, if the message is correct, the message directly enters the initial frame judgment unit, and if the message is wrong, the request message is sent again;
the starting frame judging unit is used for judging the starting frame transmitted by frames, if no subsequent frame exists, the starting frame directly enters the display unit, if the subsequent frame exists, a subsequent frame request message is sent, check bit calculation is carried out on the received request message, if the subsequent frame exists, the starting frame directly enters the message segment extracting unit, and if the subsequent frame exists, the request message is retransmitted;
a message segment extraction unit for extracting message segments and carrying out frame transmission confirmation bit judgment, if the frame is a termination frame, directly entering a display unit, if the frame is an intermediate frame, returning to the previous step to resend a subsequent frame request message, and repeating the execution process until the confirmation bit is a termination frame;
and the display unit is used for combining the message segments, analyzing the data items according to the selected protocol and displaying the data items.
According to the technical scheme, the remote meter reading method and the remote meter reading system for the intelligent electric energy meter have the advantages that the option card is arranged, the protocol is selected before the request message is sent, so that the compatibility of the single-phase meter and the three-phase meter is realized, and meanwhile, the subsequent message analysis is facilitated; when receiving the request message, the effect of automatically sending and receiving the follow-up frame message request is achieved in a mode of starting the thread and waiting the thread, the termination frame of the message is repeatedly confirmed in the follow-up process, data analysis and display are guaranteed after the message is completely received, and data loss of the ammeter during remote meter reading can be effectively prevented.
The invention has the beneficial effects that:
1. when receiving a request message, the effect of automatically sending and receiving a subsequent frame message request is achieved in a mode of starting a thread and waiting the thread, and a termination frame of the message is repeatedly confirmed in the subsequent process, so that data analysis and display are carried out after the message is completely received, and data loss of an ammeter during remote meter reading can be effectively prevented;
2. setting a tab, and selecting a protocol before sending a request message so as to realize the compatibility of a single-phase table and a three-phase table and facilitate the subsequent message analysis;
3. the function of automatically inquiring the meter address is added on the basis of manually inputting the meter address, so that the remote meter reading of a user is facilitated;
4. and the minute freezing and the day freezing with more data are displayed in a form of a table, so that all data can be conveniently checked.
Drawings
FIG. 1 is a schematic overall flow diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
As shown in fig. 1, the remote meter reading method for the intelligent electric energy meter according to the embodiment includes the following steps:
s1: establishing communication connection between the mobile terminal Bluetooth and a Bluetooth module on the intelligent electric energy meter;
s2: automatically acquiring a table address according to the general detection message (or manually inputting the table address);
s3: selecting a DL/T645-2007 or DL/T698.45-2017 protocol according to the protocol according to which the ammeter is based, selecting query time and query events, and entering a message interaction stage;
s4: starting a thread, forming a request message according to the selected DL/T645-2007 or DL/T698.45-2017 protocol, and sending the request message;
s5: for the uncapping event and the power failure event which have short messages and no subsequent frames, the thread waits for 3-5 seconds to receive the request message, then carries out check bit calculation on the received request message, if the received request message is correct, the step S9 is directly carried out, and if the received request message is wrong, the request message is sent again;
s6: for the message with longer length and the minute freezing and day freezing of most subsequent frames, the thread waits for 3-5 seconds to receive the request message, then carries out check bit calculation on the received request message, if the received request message is correct, the step S7 is directly carried out, and if the received request message is wrong, the request message is sent again;
s7: judging the initial frame of framing transmission, if no subsequent frame exists, directly entering the step S9, if the subsequent frame exists, sending a subsequent frame request message, waiting for 3-5 seconds for receiving the request message by a thread, carrying out check bit calculation on the received request message, if the request message is correct, directly entering the step S8, and if the request message is wrong, sending the request message again;
s8: extracting message segments, carrying out framing transmission confirmation bit judgment, directly entering step S9 if the frame is a termination frame, returning to the previous step to resend a subsequent frame request message if the frame is an intermediate frame, and repeating the execution process until the confirmation bit is the termination frame;
s9: and combining the message fragments, and analyzing and displaying the data items according to the selected DL/T645-2007 or DL/T698.45-2017 protocol.
In particular, the present invention relates to a method for producing,
the method for acquiring the table address in step S2 is to automatically acquire the table address according to the general probe message or to manually input the table address.
The protocol selected in the step S3 is a DL/T645-2007 or DL/T698.45-2017 protocol, so that compatibility of the single-phase table and the three-phase table is realized.
In step S9, the minute frozen data and the day frozen data are displayed in a tabular form, and the remaining data are displayed in a list form.
The table can slide in both the horizontal direction and the vertical direction, and the horizontal title bar and the vertical title bar are fixed during sliding.
After the request message is sent and before the check bit is calculated, the thread is required to wait for 3-5 seconds for receiving the request message.
The minute freeze and day freeze data are displayed in a tabular form because of the large number of minute freeze and day freeze data items and data volumes. The table can slide in both the horizontal direction and the vertical direction to display all data; and the horizontal and vertical title bars are fixed during sliding so as to conveniently view the data items corresponding to the data at any time and set different colors for different data item backgrounds so as to be conveniently distinguished. The remaining data is displayed in tabular form.
According to the invention, by setting the tab, the protocol selection is carried out before the request message is sent, so that the compatibility of the single-phase meter and the three-phase meter is realized, and the subsequent message analysis is facilitated; when receiving the request message, the effect of automatically sending and receiving the follow-up frame message request is achieved in a mode of starting the thread and waiting the thread, the termination frame of the message is repeatedly confirmed in the follow-up process, data analysis and display are guaranteed after the message is completely received, and data loss of the ammeter during remote meter reading can be effectively prevented.
On the other hand, the invention also discloses a remote meter reading system of the intelligent electric energy meter, which comprises the following units,
the communication unit is used for establishing communication connection between the mobile terminal Bluetooth and the Bluetooth module on the intelligent electric energy meter;
a table address acquisition unit configured to acquire a table address;
the message interaction unit is used for selecting the query time and the query event according to the protocol according to which the ammeter is selected, and entering a message interaction stage;
a message sending unit, which is used for starting the thread, forming a request message according to the selected protocol and sending the request message;
the checking unit is used for carrying out check bit calculation on the received request message for the uncapping event and the power failure event which have short messages and no subsequent frames, if the uncapping event and the power failure event are correct, the request message directly enters the display unit, and if the uncapping event and the power failure event are wrong, the request message is retransmitted;
for the message with longer length and most of the minutes freezing and the days freezing of the subsequent frames, the check bit calculation is carried out on the received request message, if the message is correct, the message directly enters the initial frame judgment unit, and if the message is wrong, the request message is sent again;
the starting frame judging unit is used for judging the starting frame transmitted by frames, if no subsequent frame exists, the starting frame directly enters the display unit, if the subsequent frame exists, a subsequent frame request message is sent, check bit calculation is carried out on the received request message, if the subsequent frame exists, the starting frame directly enters the message segment extracting unit, and if the subsequent frame exists, the request message is retransmitted;
a message segment extraction unit for extracting message segments and carrying out frame transmission confirmation bit judgment, if the frame is a termination frame, directly entering a display unit, if the frame is an intermediate frame, returning to the previous step to resend a subsequent frame request message, and repeating the execution process until the confirmation bit is a termination frame;
and the display unit is used for combining the message segments, analyzing the data items according to the selected protocol and displaying the data items.
It is understood that the system provided by the embodiment of the present invention corresponds to the method provided by the embodiment of the present invention, and the explanation, the example and the beneficial effects of the related contents can refer to the corresponding parts in the method.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. A remote meter reading method of an intelligent electric energy meter is based on the intelligent electric energy meter and a mobile terminal with Bluetooth and is characterized by comprising the following steps:
s1: establishing communication connection between the mobile terminal Bluetooth and a Bluetooth module on the intelligent electric energy meter;
s2: acquiring a table address;
s3: selecting query time and query events according to a protocol according to which the ammeter is selected, and entering a message interaction stage;
s4: starting a thread, forming a request message according to the protocol selected in the step S3 and sending the request message;
s5: for the uncapping event and the power failure event which have short messages and no subsequent frames, carrying out check bit calculation on the received request message, if the received request message is correct, directly entering the step S9, and if the received request message is wrong, retransmitting the request message;
s6: for the message with longer length and most of the minutes freezing and the days freezing of the subsequent frames, the check bit calculation is carried out on the received request message, if the received request message is correct, the step S7 is directly carried out, and if the received request message is wrong, the request message is retransmitted;
s7: judging the initial frame of the framing transmission, if no subsequent frame exists, directly entering the step S9, if the subsequent frame exists, sending a subsequent frame request message, and carrying out check bit calculation on the received request message, if the subsequent frame exists, directly entering the step S8, and if the subsequent frame exists, re-sending the request message;
s8: extracting message segments, carrying out framing transmission confirmation bit judgment, directly entering step S9 if the frame is a termination frame, returning to the previous step to resend a subsequent frame request message if the frame is an intermediate frame, and repeating the execution process until the confirmation bit is the termination frame;
s9: and combining the message segments, analyzing the data items according to the selected protocol and displaying.
2. The remote meter reading method of the intelligent electric energy meter according to claim 1, characterized in that: the method for acquiring the table address in step S2 is to automatically acquire the table address according to the general probe message or to manually input the table address.
3. The remote meter reading method of the intelligent electric energy meter according to claim 1, characterized in that: the protocol selected in the step S3 is a DL/T645-2007 or DL/T698.45-2017 protocol, so that compatibility of the single-phase table and the three-phase table is realized.
4. The remote meter reading method of the intelligent electric energy meter according to claim 1, characterized in that: in step S9, the minute frozen data and the day frozen data are displayed in a tabular form, and the remaining data are displayed in a tabular form.
5. The remote meter reading method of the intelligent electric energy meter according to claim 4, characterized in that:
the table can slide in both the horizontal direction and the vertical direction, and the horizontal title bar and the vertical title bar are fixed during sliding.
6. The remote meter reading method of the intelligent electric energy meter according to any one of claims 1 to 5, characterized in that: after the request message is sent and before the check bit is calculated, the thread is required to wait for 3-5 seconds for receiving the request message.
7. The utility model provides a remote meter reading system of intelligent ammeter which characterized in that:
comprises the following units of a first unit, a second unit,
the communication unit is used for establishing communication connection between the mobile terminal Bluetooth and the Bluetooth module on the intelligent electric energy meter;
a table address acquisition unit configured to acquire a table address;
the message interaction unit is used for selecting the query time and the query event according to the protocol according to which the ammeter is selected, and entering a message interaction stage;
a message sending unit, which is used for starting the thread, forming a request message according to the selected protocol and sending the request message;
the checking unit is used for carrying out check bit calculation on the received request message for the uncapping event and the power failure event which have short messages and no subsequent frames, if the uncapping event and the power failure event are correct, the request message directly enters the display unit, and if the uncapping event and the power failure event are wrong, the request message is retransmitted;
for the message with longer length and most of the minutes freezing and the days freezing of the subsequent frames, the check bit calculation is carried out on the received request message, if the message is correct, the message directly enters the initial frame judgment unit, and if the message is wrong, the request message is sent again;
the starting frame judging unit is used for judging the starting frame transmitted by frames, if no subsequent frame exists, the starting frame directly enters the display unit, if the subsequent frame exists, a subsequent frame request message is sent, check bit calculation is carried out on the received request message, if the subsequent frame exists, the starting frame directly enters the message segment extracting unit, and if the subsequent frame exists, the request message is retransmitted;
a message segment extraction unit for extracting message segments and carrying out frame transmission confirmation bit judgment, if the frame is a termination frame, directly entering a display unit, if the frame is an intermediate frame, returning to the previous step to resend a subsequent frame request message, and repeating the execution process until the confirmation bit is a termination frame;
and the display unit is used for combining the message segments, analyzing the data items according to the selected protocol and displaying the data items.
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| CN114002467A (en) * | 2021-10-22 | 2022-02-01 | 广东电网有限责任公司 | Electricity stealing inspection method, device, equipment and storage medium |
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