CN110853329A - Data acquisition method of multi-meter-in-one centralized meter reading system - Google Patents
Data acquisition method of multi-meter-in-one centralized meter reading system Download PDFInfo
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- CN110853329A CN110853329A CN201911148808.3A CN201911148808A CN110853329A CN 110853329 A CN110853329 A CN 110853329A CN 201911148808 A CN201911148808 A CN 201911148808A CN 110853329 A CN110853329 A CN 110853329A
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/30—Electric signal transmission systems in which transmission is by selection of one or more conductors or channels from a plurality of conductors or channels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
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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
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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
- H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/14—Routing performance; Theoretical aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/30—Routing of multiclass traffic
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Abstract
The invention discloses a data acquisition method of a multi-meter-in-one centralized meter reading system, which comprises a plurality of base meters for uploading meter information, a plurality of electric meters for performing micro-power communication with the base meters and a concentrator for communicating with the electric meters; the method comprises the steps that a plurality of electric meters receive meter information uploaded by a plurality of base meters; after the plurality of electric meters receive the meter information uploaded by the plurality of base meters, the electric meters send the collected meter information uploaded by the plurality of base meters to the concentrator, and the concentrator collects the meter information uploaded by the plurality of base meters received by each electric meter; when the meter information uploaded by the base meter is available, the electric meter with the highest priority can be selected from the plurality of electric meters, and the electric meter with the highest priority receives the meter information uploaded by at least one base meter and uploads the collected meter information to the concentrator; each base table stores a priority list of the electric meters, and each concentrator stores each base table and the priority list of the corresponding electric meter; the electricity meter and the concentrator can send confirmation signals to the base meter after collecting the data of the base meter.
Description
Technical Field
The invention relates to the technical field of electricity, in particular to a data acquisition method of a multi-meter-in-one meter reading system.
Background
The multi-meter (electricity, water, gas and heat) integrated meter reading system proposed by the electric power company is promoted nationwide, but four departments respectively form a system and respectively maintain the collection mode of the departments. At present, compared with other resources, the electric power resources are more widely applied in China, the technical means are more perfect, and the construction and the application of an electric energy meter power utilization information acquisition network are realized first; along with the continuous propulsion and development of scientific technology, water/gas/heat table also can gradually transition to the mode of automatic intelligence meter reading, practices thrift manpower resources and other unnecessary wastes, for example patent CN107293107A discloses a water gauge multi-meter unification collection system, including locating the intraformational water gauge of each floor of unit respectively, it is a plurality of in the unit the water gauge is connected with the total controller respectively through the unit bus, uses this system, and the water gauge of each floor of each unit is connected with the total controller through the unit bus, realizes the unified collection of water gauge and copies, improves water gauge data acquisition efficiency.
However, in practical applications, it is required to ensure that the performance of the acquisition network is strong enough, and continuous communication cannot be performed when a certain branch in the whole system has a problem, which may cause other unnecessary loss.
Disclosure of Invention
The invention aims to provide a data acquisition method of a multi-table-in-one meter reading system.
In order to solve the above technical problems, the present invention comprises:
the system comprises a plurality of base meters, a plurality of electric meters and a concentrator, wherein the base meters are used for uploading meter information, the electric meters are in micro-power communication with the base meters, and the concentrator is in communication with the electric meters; the base meter is any one of an electric energy meter, a water meter, a heat energy meter and a natural gas meter;
the method comprises the steps that a plurality of electric meters receive meter information uploaded by a plurality of base meters; after the plurality of electric meters receive the meter information uploaded by the plurality of base meters, the electric meters send the collected meter information uploaded by the plurality of base meters to the concentrator, and the concentrator collects the meter information uploaded by the plurality of base meters received by each electric meter;
when the meter information uploaded by the base meter is available, the electric meter with the highest priority can be selected from the plurality of electric meters, and the electric meter with the highest priority receives the meter information uploaded by at least one base meter and uploads the collected meter information to the concentrator;
each base table stores a priority list of the electric meters, and each concentrator stores each base table and the priority list of the corresponding electric meter; the electricity meter and the concentrator can send confirmation signals to the base meter after collecting the data of the base meter.
Further, after receiving the data of the base table, the electric meter sends a confirmation signal to the base table to confirm that the electric meter receives the data of the base table, and after receiving the data of the electric meter, the concentrator also sends a confirmation signal to the base table to confirm that the concentrator receives the data of the base table; the concentrator transmits the confirmation signal to the base meter through a different electric meter from the electric meter passed through at the time of uploading when transmitting the confirmation signal to the base meter.
Furthermore, after receiving the data of the base table, the electric meter with the highest priority sends a confirmation signal to the base table to confirm that the electric meter receives the data of the base table, and after receiving the data of the electric meter, the concentrator also sends a confirmation signal to the base table to confirm that the concentrator receives the data of the base table; the concentrator sends an acknowledgement signal to the base meter via the electricity meters of the second priority and the electricity meters of the third priority when sending the acknowledgement signal to the base meter.
The method also comprises a redundancy uploading function, wherein when each electric meter is initialized, the electric meter sends confirmation signals to a plurality of concentrators of the power grid in a power carrier mode, and the confirmation signals comprise codes of the electric meter; the concentrator comprises a plurality of concentrators, a data center and a plurality of data processing units, wherein the concentrators receive signals of an electric meter and send the received signals to the superior data center together with signal strength and the serial number of the concentrator, the data center sorts the received signals according to the signal strength in data sent by the concentrators, the concentrator with the highest signal strength is marked as a direct superior concentrator of the electric meter, and other concentrators are marked as relevant concentrators;
the data center sends the pairing result of the direct superior concentrator and the relevant concentrator of each electric meter to each electric meter and the concentrator; when the electric meter uploads data, the data are uploaded preferentially through the direct superior concentrator, the data uploaded by the electric meter are uploaded to the data center after the data are received by the direct superior concentrator, the acknowledgement signal is sent to the electric meter by the direct superior concentrator, the data center sends the acknowledgement signal to the electric meter after the data uploaded by the direct superior concentrator are received, and the electric meter stops sending the data after the acknowledgement signal of the data center is received; if the electric meter does not receive the confirmation data during the data uploading process, the electric meter continuously sends the uploaded data and sends the data to the data center through the relevant concentrator, and the data center sends a confirmation signal to the electric meter after receiving the data of the electric meter; the electric meter sends data until receiving the confirmation signal sent back by the data center.
And the relevant concentrator transmits the data of the electric meter to the data center after receiving the data of the electric meter at an interval of T, wherein the unit of T is second, and 10s < T <30 s.
The invention also sets a self-checking function with transmission, when the concentrator sends the confirmation signal to the base meter, the concentrator sends the confirmation signal to the base meter through all the electric meters except the electric meter with the highest priority stored in the base meter.
The base table is the repacking table, the repacking table is for installing a communication module of gathering electric energy meter, water gauge, heat energy meter or natural gas meter data on electric energy meter, water gauge, heat energy meter or the natural gas meter that do not possess data communication function.
The communication module is one of a power carrier module, a Bluetooth module and an ultrasonic module, and the power carrier module is preferably selected.
The invention has the beneficial effects that:
the concentrator can determine the priority of each electric meter based on the energy consumption data corresponding to each electric meter when the data of the multi-meter-in-one centralized meter reading system is acquired, wherein the priority is used for representing the priority of the electric meter when the meter information is uploaded on the base meter; the electric meter with the highest priority is used as the electric meter to be selected when the meter information is uploaded next time by the base meter. The priority of the electric meter is determined based on the energy consumption data, and the technical effect that the time delay and the energy consumption of the whole network are the lowest in the process of deploying the water/gas/heat meter acquisition network can be achieved. After each level of signal is uploaded, the sending of the confirmation signal is correspondingly set, and the uploading and sending of the signal utilize different electric meters, so that different lines and bandwidths can be fully utilized, and the transmission bandwidth and the signal-to-noise ratio of the signal are ensured. The concentrator is provided with a redundant transmission function, so that the uploading of data is not influenced when one concentrator fails. The invention also sets a function of self-checking with transmission, when sending down the signal, the invention indicates that the line has a fault if the base table does not receive the corresponding signal by all the lines except the unexpected line of the uploading.
Drawings
FIG. 1 is a schematic diagram of a centralized meter reading system according to the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, 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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The data acquisition method of the multi-table-in-one centralized meter reading system comprises the following steps:
the system comprises a plurality of base meters, a plurality of electric meters and a concentrator, wherein the base meters are used for uploading meter information, the electric meters are in micro-power communication with the base meters, and the concentrator is in communication with the electric meters; the base meter is any one of an electric energy meter, a water meter, a heat energy meter and a natural gas meter.
The method comprises the steps that a plurality of electric meters receive meter information uploaded by a plurality of base meters; after the electric meters receive the meter information uploaded by the base meters, the electric meters send the collected meter information uploaded by the base meters to the concentrator, and the concentrator collects the meter information uploaded by the base meters received by each electric meter.
When the meter information uploaded by the base meter is received, the meter information uploaded by at least one base meter can be received by the meter with the highest priority, and the collected meter information is uploaded to the concentrator.
Each base table stores a priority list of the electric meters, and each concentrator stores each base table and the priority list of the corresponding electric meter; the electricity meter and the concentrator can send confirmation signals to the base meter after collecting the data of the base meter.
After receiving the data of the base meter, the electric meter sends a confirmation signal to the base meter to confirm that the electric meter receives the data of the base meter, and the concentrator also sends a confirmation signal to the base meter after receiving the data of the electric meter to confirm that the concentrator receives the data of the base meter; the concentrator transmits the confirmation signal to the base meter through a different electric meter from the electric meter passed through at the time of uploading when transmitting the confirmation signal to the base meter.
After receiving the data of the base meter, the electric meter with the highest priority sends a confirmation signal to the base meter to confirm that the electric meter receives the data of the base meter; the concentrator sends an acknowledgement signal to the base meter via the electricity meters of the second priority and the electricity meters of the third priority when sending the acknowledgement signal to the base meter.
The invention also has a redundancy uploading function, when each electric meter is initialized, the electric meter sends confirmation signals to a plurality of concentrators of the power grid in a power carrier mode, and the confirmation signals comprise the codes of the electric meters; the plurality of concentrators receive signals of the electric meters and send the received signals to the superior data center together with the signal strength and the serial numbers of the concentrators, the data center sorts the received signals according to the signal strength in the data sent by the concentrators, the concentrator with the highest signal strength is marked as a direct superior concentrator of the electric meters, and other concentrators are marked as relevant concentrators.
The data center sends the pairing result of the direct superior concentrator and the relevant concentrator of each electric meter to each electric meter and the concentrator; when the electric meter uploads data, the data are uploaded preferentially through the direct superior concentrator, the data uploaded by the electric meter are uploaded to the data center after the data are received by the direct superior concentrator, the acknowledgement signal is sent to the electric meter by the direct superior concentrator, the data center sends the acknowledgement signal to the electric meter after the data uploaded by the direct superior concentrator are received, and the electric meter stops sending the data after the acknowledgement signal of the data center is received; if the electric meter does not receive the confirmation data during the data uploading process, the electric meter continuously sends the uploaded data and sends the data to the data center through the relevant concentrator, and the data center sends a confirmation signal to the electric meter after receiving the data of the electric meter; the electric meter sends data until receiving the confirmation signal sent back by the data center.
The data center can visually present data in an imaging mode to a user after collecting signals, specifically, an MSP430 single chip microcomputer is used as a lower computer platform of a service server, the data signals are firstly processed by the single chip microcomputer after being received, a port from the single chip microcomputer is respectively connected with a 532 laser instrument with a demonstration triggering function and a rotating motor driver, namely, the MSP430 receives an excitation signal triggering signal from the tunable laser instrument and counts the excitation signal triggering signal, and when the counting reaches a set value, a certain time delay is carried out, then an excitation signal is output, and further, the delay difference analysis of a plurality of channel data atlas analyses is realized. Assuming that the mean value of the initial wave band of the tunable laser is S, the mean value of the termination wave band is S, and the number of laser excitation signals emitted under each wave band mean value is m. The number of counts Q of the MSP430 over a set of spectral cycles is then
After the MSP430 outputs the trigger excitation signal, it immediately clears the original excitation signal count and starts a new round of counting.
And the relevant concentrator transmits the data of the electric meter to the data center after receiving the data of the electric meter at an interval of T, wherein the unit of T is second, and 10s < T <30 s.
The invention also sets a self-checking function with transmission, when the concentrator sends the confirmation signal to the base meter, the concentrator sends the confirmation signal to the base meter through all the electric meters except the electric meter with the highest priority stored in the base meter.
When the signal is issued, the base meter confirms all the electric meters stored in the base meter one by one when collecting the confirmation signals by excluding all the lines which are accidentally uploaded, and if the base meter does not receive the signal corresponding to a certain electric meter, the circuit corresponding to the electric meter is in fault.
After confirming the location of the line fault, the base meter sends an alarm signal to the concentrator over the line on which the confirmation signal can be collected, the alarm signal including location data of the fault. The concentrator uploads alarm signals to the data center through a redundant upload function.
The base meter is a modified meter, and the modified meter is a communication module which is arranged on an electric energy meter, a water meter, a heat energy meter or a natural gas meter without a data communication function and is used for collecting data of the electric energy meter, the water meter, the heat energy meter or the natural gas meter.
The communication module is one of a power carrier module, a Bluetooth module and an ultrasonic module, and the power carrier module is preferably selected.
The controller can determine the priority of each electric meter based on the energy consumption data corresponding to each electric meter during data acquisition of the multi-meter-in-one centralized meter reading system, wherein the priority is used for representing the priority of the electric meters when the meter information is uploaded on the base meter; the electric meter with the highest priority is used as the electric meter to be selected when the meter information is uploaded next time by the base meter.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A data acquisition method of a multi-table-in-one centralized meter reading system comprises the following steps:
the system comprises a plurality of base meters, a plurality of electric meters and a concentrator, wherein the base meters are used for uploading meter information, the electric meters are in micro-power communication with the base meters, and the concentrator is in communication with the electric meters; the base meter is any one of an electric energy meter, a water meter, a heat energy meter and a natural gas meter;
the method comprises the steps that a plurality of electric meters receive meter information uploaded by a plurality of base meters; after the plurality of electric meters receive the meter information uploaded by the plurality of base meters, the electric meters send the collected meter information uploaded by the plurality of base meters to the concentrator, and the concentrator collects the meter information uploaded by the plurality of base meters received by each electric meter;
when the meter information uploaded by the base meter is available, the electric meter with the highest priority can be selected from the plurality of electric meters, and the electric meter with the highest priority receives the meter information uploaded by at least one base meter and uploads the collected meter information to the concentrator;
each base table stores a priority list of the electric meters, and each concentrator stores each base table and the priority list of the corresponding electric meter; the electricity meter and the concentrator can send confirmation signals to the base meter after collecting the data of the base meter.
2. The data acquisition method of the multi-meter-in-one meter reading system according to claim 1, characterized in that:
after receiving the data of the base meter, the electric meter sends a confirmation signal to the base meter to confirm that the electric meter receives the data of the base meter, and the concentrator also sends a confirmation signal to the base meter after receiving the data of the electric meter to confirm that the concentrator receives the data of the base meter; the concentrator transmits the confirmation signal to the base meter through a different electric meter from the electric meter passed through at the time of uploading when transmitting the confirmation signal to the base meter.
3. The data acquisition method of the multi-meter-in-one meter reading system according to claim 2, characterized in that:
after receiving the data of the base meter, the electric meter with the highest priority sends a confirmation signal to the base meter to confirm that the electric meter receives the data of the base meter; the concentrator sends an acknowledgement signal to the base meter via the electricity meters of the second priority and the electricity meters of the third priority when sending the acknowledgement signal to the base meter.
4. The data acquisition method of the multi-meter-in-one meter reading system according to claim 1, characterized in that:
when each electric meter is initialized, the electric meter sends confirmation signals to a plurality of concentrators of a power grid in a power carrier mode, wherein the confirmation signals comprise codes of the electric meters; the concentrator comprises a plurality of concentrators, a data center and a plurality of data processing units, wherein the concentrators receive signals of an electric meter and send the received signals to the superior data center together with signal strength and the serial number of the concentrator, the data center sorts the received signals according to the signal strength in data sent by the concentrators, the concentrator with the highest signal strength is marked as a direct superior concentrator of the electric meter, and other concentrators are marked as relevant concentrators;
the data center sends the pairing result of the direct superior concentrator and the relevant concentrator of each electric meter to each electric meter and the concentrator; when the electric meter uploads data, the data are uploaded preferentially through the direct superior concentrator, the data uploaded by the electric meter are uploaded to the data center after the data are received by the direct superior concentrator, the acknowledgement signal is sent to the electric meter by the direct superior concentrator, the data center sends the acknowledgement signal to the electric meter after the data uploaded by the direct superior concentrator are received, and the electric meter stops sending the data after the acknowledgement signal of the data center is received; if the electric meter does not receive the confirmation data during the data uploading process, the electric meter continuously sends the uploaded data and sends the data to the data center through the relevant concentrator, and the data center sends a confirmation signal to the electric meter after receiving the data of the electric meter; the electric meter sends data until receiving the confirmation signal sent back by the data center.
5. The data acquisition method of the multi-meter-in-one meter reading system according to claim 4, characterized in that:
and the relevant concentrator transmits the data of the electric meter to the data center after receiving the data of the electric meter at an interval of T, wherein the unit of T is second, and 10s < T <30 s.
6. The data acquisition method of the multi-meter-in-one meter reading system according to claim 2, characterized in that:
when the concentrator sends the confirmation signal to the base meter, the concentrator sends the confirmation signal to the base meter through all the electric meters except the electric meter with the highest priority level stored in the base meter.
7. The data acquisition method of the multi-meter-in-one meter reading system according to claim 1, characterized in that:
the base table is the repacking table, the repacking table is for installing a communication module of gathering electric energy meter, water gauge, heat energy meter or natural gas meter data on electric energy meter, water gauge, heat energy meter or the natural gas meter that do not possess data communication function.
8. The data acquisition method of the multi-meter-in-one meter reading system according to claim 7, characterized in that:
the communication module is one of a power carrier module, a Bluetooth module and an ultrasonic module, and the power carrier module is preferably selected.
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| CN111462470A (en) * | 2020-05-19 | 2020-07-28 | 广州穗华能源科技有限公司 | Low-voltage distribution area topology identification method based on power line carrier attenuation characteristics |
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