CN111313933A - Meter reading method, device and system - Google Patents
Meter reading method, device and system Download PDFInfo
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- CN111313933A CN111313933A CN201811517028.7A CN201811517028A CN111313933A CN 111313933 A CN111313933 A CN 111313933A CN 201811517028 A CN201811517028 A CN 201811517028A CN 111313933 A CN111313933 A CN 111313933A
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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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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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Abstract
The application discloses method, device and system of checking meter belongs to and electric power technology field, and this system includes: a wideband carrier concentrator and translator, wherein: the broadband carrier concentrator is used for sending a first broadband carrier signal carrying a meter reading instruction to the converter; receiving a second broadband carrier signal sent by the converter, and storing electric quantity information of a carrier electric energy meter carried in the second broadband carrier signal; the converter is used for modulating and demodulating the received first broadband carrier signal to obtain a first narrowband carrier signal and sending the first narrowband carrier signal to at least one carrier electric energy meter; and receiving a second narrowband carrier signal which is sent by each carrier electric energy meter and bears self electric quantity information, modulating and demodulating the second narrowband carrier signal to obtain a second broadband carrier signal, and sending the second broadband carrier signal to the broadband carrier concentrator.
Description
Technical Field
The application relates to the technical field of electric power, in particular to a meter reading method, device and system.
Background
When a line in the power system is deployed in an initial stage, because the amount of data to be processed is small and the bandwidth which can be supported by the network is also small, all devices in the power system use narrow-band carriers for communication, and a concentrator and a carrier electric energy meter in a meter reading system are also the same, but with the higher and higher intellectualization degree of the meter reading system and the larger and higher bandwidth which can be supported by the network, the requirement for upgrading the devices in the meter reading system to use the wide-band carriers for communication gradually arises.
In a meter reading system, generally, the number of concentrators in one distribution area is limited, so that the concentrators are relatively easy to upgrade, but carrier electric energy meters in one distribution area are more and are usually arranged in residential areas, so that great labor cost is consumed and engineering difficulty is great when all the carrier electric energy meters are to be upgraded, and how to reasonably solve the problems is very important.
Disclosure of Invention
The embodiment of the application provides a meter reading method, a meter reading device and a meter reading system, which are used for solving the problems of high cost and difficulty in upgrading when equipment in a meter reading system is upgraded to use a broadband for communication.
In a first aspect, a system provided in an embodiment of the present application includes a wideband carrier concentrator and a converter, where:
the broadband carrier concentrator is used for sending a first broadband carrier signal carrying a meter reading instruction to the converter; the broadband power meter is used for receiving a second broadband carrier signal sent by the converter and storing electric quantity information of a corresponding carrier electric energy meter carried in the second broadband carrier signal;
the converter is used for receiving the first broadband carrier signal, modulating and demodulating the first broadband carrier signal to obtain a first narrowband carrier signal, and sending the first narrowband carrier signal to at least one carrier electric energy meter; and the second narrowband carrier signal is used for receiving a second narrowband carrier signal which is sent by each carrier electric energy meter and carries the self electric quantity information, modulating and demodulating the second narrowband carrier signal to obtain a second broadband carrier signal, and sending the second broadband carrier signal to the broadband carrier concentrator.
In the system, the concentrator is upgraded to utilize broadband carrier waves for communication, the carrier electric energy meter still uses the narrowband carrier waves for communication, a converter for converting carrier signals is arranged between the broadband carrier wave concentrator and the carrier electric energy meter, and the converter realizes the conversion between the broadband carrier signals sent by the broadband carrier wave concentrator and the narrowband carrier signals sent by the carrier electric energy meter, so that the bandwidth upgrading requirement of the meter reading system can be met, the existing meter reading system can be changed to the minimum extent, and the upgrading difficulty and the upgrading cost are low.
In a possible implementation manner, the broadband carrier concentrator is further configured to analyze and summarize the stored electric quantity information of each carrier electric energy meter, and when a preset reporting condition is triggered, bear the analyzed and summarized data in a third broadband carrier signal and report the third broadband carrier signal to the master station.
In one possible implementation, the wideband carrier concentrator complies with the national network 376.2 specifications or with the south network 16 specifications.
In one possible implementation, the carrier power meter follows the 645 protocol.
In a second aspect, an embodiment of the present application provides a meter reading method, including:
receiving a first broadband carrier signal carrying a meter reading instruction;
carrying out modulation and demodulation on the first broadband carrier signal to obtain a first narrowband carrier signal;
sending the first narrowband carrier signal to at least one carrier electric energy meter;
receiving a second narrowband carrier signal which is sent by each carrier electric energy meter and carries self electric quantity information;
modulating and demodulating the second narrowband carrier signal to obtain a second wideband carrier signal;
and sending the second broadband carrier signal to a broadband carrier concentrator, so that the broadband carrier concentrator stores the electric quantity information of the corresponding carrier electric energy meter.
In a third aspect, an embodiment of the present application provides a meter reading device, including:
the receiving module is used for receiving a first broadband carrier signal carrying a meter reading instruction; the carrier electric energy meter is also used for receiving a second narrowband carrier signal which is sent by each carrier electric energy meter and carries the self electric quantity information;
the conversion module is used for modulating and demodulating the first broadband carrier signal to obtain a first narrowband carrier signal; the second narrowband carrier signal is modulated and demodulated to obtain a second wideband carrier signal;
the transmitting module is used for transmitting the first narrowband carrier signal to at least one carrier electric energy meter; and the broadband carrier concentrator is also used for sending the second broadband carrier signal to the broadband carrier concentrator, so that the broadband carrier concentrator stores the electric quantity information of the corresponding carrier electric energy meter.
In a fourth aspect, an embodiment of the present application provides an electronic device, including: at least one processor, and a memory communicatively coupled to the at least one processor, wherein:
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the meter reading method described above.
In a fifth aspect, a computer-readable medium is provided in an embodiment of the present application, and stores computer-executable instructions, where the computer-executable instructions are used to execute the meter reading method.
In addition, for technical effects brought by any one of the design manners of the second aspect to the fifth aspect, reference may be made to technical effects brought by different implementation manners of the first aspect, and details are not described here.
These and other aspects of the present application will be more readily apparent from the following description of the embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic view of an application scenario of a meter reading system provided in an embodiment of the present application;
FIG. 2 is a schematic diagram of a meter reading system provided in an embodiment of the present application;
fig. 3 is a flowchart of a meter reading method provided in an embodiment of the present application;
fig. 4 is a schematic diagram of a hardware structure of an electronic device for implementing a meter reading method according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a meter reading device provided in an embodiment of the present application.
Detailed Description
In order to solve the problems of high cost and difficult upgrading when equipment in a meter reading system is upgraded to use a broadband for communication, embodiments of the present application provide a meter reading method, device and system.
The preferred embodiments of the present application will be described below with reference to the accompanying drawings of the specification, it should be understood that the preferred embodiments described herein are merely for illustrating and explaining the present application, and are not intended to limit the present application, and that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
At present, a concentrator and a carrier electric energy meter both use a narrowband carrier for communication, considering that the narrowband carrier has strong anti-interference performance, in order to improve the stability of meter reading and reduce the upgrading cost, the carrier electric energy meter can be not upgraded, the original carrier electric energy meter is still used for meter reading, the concentrator generally has the function of summarizing and processing the electric quantity information of each carrier electric energy meter within a certain time period, and the data processing quantity and the data transmission quantity are large, so the concentrator is necessary to be upgraded to use a broadband carrier signal for communication, namely, the broadband carrier concentrator is used in a meter reading system, thus the requirement of a master station for rapidly acquiring a large amount of electric quantity information can be well met, but at the moment, the broadband carrier concentrator and the narrowband carrier electric energy meter can be presented in the meter reading system simultaneously, because the frequency bands of the broadband carrier and the narrowband carrier are different, the broadband carrier concentrator and the carrier electric energy meter cannot communicate.
In order to solve the problem, the inventor thinks that a converter is added between the broadband carrier signal and the narrowband carrier signal, the converter is used for realizing the mutual conversion between the broadband carrier signal sent by the broadband carrier concentrator and the narrowband carrier signal sent by the carrier electric energy meter, specifically, when the broadband carrier concentrator needs to send a message to the carrier electric energy meter, the message can be carried in the broadband carrier signal and sent to the converter, the converter is responsible for converting the broadband carrier signal carrying the message into the narrowband carrier signal, and then the narrowband carrier signal carrying the message is sent to the carrier electric energy meter; when the carrier electric energy meter needs to send a message to the carrier wave concentrator, the message can be carried in the narrow-band carrier wave signal and sent to the converter, the converter is responsible for converting the narrow-band carrier wave signal carrying the message into a wide-band carrier wave signal, and then the wide-band carrier wave signal carrying the message is sent to the wide-band carrier wave concentrator, so that the communication problem between the narrow-band carrier wave signal and the wide-band carrier wave signal can be well solved, and the bandwidth upgrading of the meter reading system can be completed at low cost.
Specifically, referring to fig. 1, fig. 1 shows an application scenario schematic diagram of a meter reading system provided in an embodiment of the present application, including a broadband carrier concentrator, a converter, and at least one carrier electric energy meter, where:
and the broadband carrier concentrator is used for sending a first broadband carrier signal carrying a meter reading instruction to the converter when the meter reading is needed.
Generally, a master station is connected to the upstream of the broadband carrier concentrator, the master station can set meter reading conditions for the broadband carrier concentrator, and when the meter reading conditions are met, a meter reading instruction is sent, for example, the master station sets the meter reading for the broadband carrier concentrator every day, so that the broadband carrier concentrator needs to read the meter every day, and a first broadband carrier signal carrying the meter reading instruction is sent to the converter every day.
The converter is used for receiving the first broadband carrier signal, modulating and demodulating the first broadband carrier signal to obtain a first narrowband carrier signal, and sending the first narrowband carrier signal to each carrier electric energy meter;
each carrier electric energy meter is used for receiving the first narrow-band carrier signal and reading the electric quantity information of the carrier electric energy meter according to the meter reading instruction carried in the first narrow-band carrier signal.
Furthermore, each carrier electric energy meter is also used for bearing the electric quantity information of the carrier electric energy meter in a second narrow-band carrier signal and sending the electric quantity information to the converter;
the converter is also used for receiving a second narrowband carrier signal sent by each carrier electric energy meter, modulating and demodulating the second narrowband carrier signal to obtain a second broadband carrier signal, and sending the second broadband carrier signal to the broadband carrier concentrator;
and the broadband carrier concentrator is also used for receiving the second broadband carrier signal and storing the electric quantity information of the corresponding carrier electric energy meter carried in the second broadband carrier signal.
Generally, a carrier electric energy meter follows a DL/T645-2007 multifunctional electric energy meter communication protocol, namely a 645 protocol for short, a broadband carrier concentrator follows a Q/GDW 1376.2-2013 national grid company power consumer electricity utilization information acquisition system communication protocol part 2 concentrator local communication module interface protocol, namely a national grid 376.2 protocol for short; or the broadband carrier concentrator complies with the "guangdong electric network limited responsibility company metering automation terminal local communication module interface protocol (version 2016)", abbreviated as south network 16 protocol.
The communication process of the system is described below by taking an example that the carrier power meter complies with the 645 specification and the broadband carrier concentrator complies with the specification of the national network 376.2.
Referring to fig. 2, fig. 2 is a schematic diagram of a meter reading system provided in an embodiment of the present application, including a wideband carrier concentrator, a converter and at least one carrier electric energy meter, where the converter is configured to convert a wideband carrier signal into a narrowband carrier signal to transmit meter reading frame data, and in particular, it may perform conversion between a 645 protocol and a local 376.2 protocol through stm32-103CPU, and a meter reading process is described below by taking an example where the converter includes a meter module (wideband) and a concentrator module (narrowband).
When an electric meter module (broadband) receives a 645 protocol meter reading data packet, a processing unit stm32-103CPU in a converter packs the 645 protocol meter reading data packet into a 376.2 protocol data packet and sends the 376.2 protocol data packet to a concentrator module (narrowband), the concentrator module (narrowband) carries out meter reading through a data packet which sends a narrowband signal, furthermore, after the concentrator module (narrowband) reads meter data, a 376.2 protocol data packet containing response meter reading data is sent, the stm32-103CPU sends the response meter reading data (645 protocol frame) in a 376.2 protocol data packet to the electric meter module (broadband), and then the electric meter module (broadband) sends the response meter reading data to a broadband carrier concentrator, so that one-time meter reading is completed.
Subsequently, the broadband carrier concentrator can analyze and summarize the stored electric quantity information of each carrier electric energy meter, and when the preset reporting condition is determined to be triggered, the analyzed and summarized data is borne in a third broadband carrier signal and reported to the master station.
As shown in fig. 3, a flowchart of a meter reading method provided in the embodiment of the present application includes the following steps:
s301: receiving a first broadband carrier signal carrying a meter reading instruction.
S302: and carrying out modulation and demodulation on the first broadband carrier signal to obtain a first narrowband carrier signal.
S303: and sending the first narrowband carrier signal to at least one carrier electric energy meter.
S304: and receiving a second narrowband carrier signal which is sent by each carrier electric energy meter and carries the self electric quantity information.
S305: and modulating and demodulating the second narrowband carrier signal to obtain a second wideband carrier signal.
S306: and sending the second broadband carrier signal to a broadband carrier concentrator, so that the broadband carrier concentrator stores the electric quantity information of the corresponding carrier electric energy meter carried in the second broadband carrier signal.
Referring to fig. 4, a schematic structural diagram of an electronic device provided in this embodiment of the present disclosure includes a transceiver 401 and a processor 402, where the processor 402 may be a Central Processing Unit (CPU), a microprocessor, an application specific integrated circuit, a programmable logic circuit, a large scale integrated circuit, or a digital processing unit. The transceiver 401 is used for data transmission and reception between the electronic device and other devices.
The electronic device may further comprise a memory 403 for storing software instructions executed by the processor 402, but may also store some other data required by the electronic device, such as identification information of the electronic device, encryption information of the electronic device, user data, etc. The memory 403 may be a volatile memory (volatile memory), such as a random-access memory (RAM); the memory 503 may also be a non-volatile memory (non-volatile memory) such as a read-only memory (ROM), a flash memory (flash memory), a Hard Disk Drive (HDD) or a solid-state drive (SSD), or the memory 403 may be any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, but is not limited to this. The memory 403 may be a combination of the above memories.
The specific connection medium between the processor 402, the memory 403 and the transceiver 401 is not limited in the embodiments of the present application. In fig. 4, the embodiment of the present application is described by taking only the case where the memory 403, the processor 402, and the transceiver 401 are connected by the bus 404 as an example, the bus is shown by a thick line in fig. 4, and the connection manner between other components is merely illustrative and not limited. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 4, but this does not indicate only one bus or one type of bus.
The processor 402 may be dedicated hardware or a processor running software, and when the processor 402 can run software, the processor 402 reads software instructions stored in the memory 403 and executes the meter reading method in the foregoing embodiment under the driving of the software instructions.
When the method provided in the embodiments of the present application is implemented in software or hardware or a combination of software and hardware, a plurality of functional modules may be included in the electronic device, and each functional module may include software, hardware or a combination of software and hardware. Specifically, as shown in fig. 5, a schematic structural diagram of a meter reading device provided in the embodiment of the present application includes a receiving module 501, a converting module 502, and a sending module 503.
A receiving module 501, configured to receive a first broadband carrier signal carrying a meter reading instruction; the carrier electric energy meter is also used for receiving a second narrowband carrier signal which is sent by each carrier electric energy meter and carries the self electric quantity information;
a conversion module 502, configured to perform modulation and demodulation on the first wideband carrier signal to obtain a first narrowband carrier signal; the second narrowband carrier signal is modulated and demodulated to obtain a second wideband carrier signal;
a sending module 503, configured to send the first narrowband carrier signal to at least one carrier electric energy meter; and the broadband carrier concentrator is also used for sending the second broadband carrier signal to the broadband carrier concentrator, so that the broadband carrier concentrator stores the electric quantity information of the corresponding carrier electric energy meter.
The division of the modules in the embodiments of the present application is schematic, and only one logical function division is provided, and in actual implementation, there may be another division manner, and in addition, each functional module in each embodiment of the present application may be integrated in one processor, may also exist alone physically, or may also be integrated in one module by two or more modules. The coupling of the various modules to each other may be through interfaces that are typically electrical communication interfaces, but mechanical or other forms of interfaces are not excluded. Thus, modules described as separate components may or may not be physically separate, may be located in one place, or may be distributed in different locations on the same or different devices. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode.
The embodiment of the present application further provides a computer-readable storage medium, which stores computer-executable instructions required to be executed by the processor, and includes a program required to be executed by the processor.
In some possible embodiments, the various aspects of the meter reading method provided in the present application may also be implemented in the form of a program product, which includes program code for causing an electronic device to perform the steps in the meter reading method according to various exemplary embodiments of the present application described above in this specification when the program product is run on the electronic device.
The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. A readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium include: an electrical connection having one or more wires, a portable disk, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
The program product for meter reading of embodiments of the present application may employ a portable compact disc read only memory (CD-ROM) and include program code, and may be run on a computing device. However, the program product of the present application is not limited thereto, and in this document, a readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A readable signal medium may include a propagated data signal with readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A readable signal medium may also be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Program code for carrying out operations of the present application may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device and partly on a remote computing device, or entirely on the remote computing device or server. In the case of a remote computing device, the remote computing device may be connected to the user computing device over any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device (e.g., over the internet using an internet service provider).
It should be noted that although several units or sub-units of the apparatus are mentioned in the above detailed description, such division is merely exemplary and not mandatory. Indeed, the features and functions of two or more units described above may be embodied in one unit, according to embodiments of the application. Conversely, the features and functions of one unit described above may be further divided into embodiments by a plurality of units.
Further, while the operations of the methods of the present application are depicted in the drawings in a particular order, this does not require or imply that these operations must be performed in this particular order, or that all of the illustrated operations must be performed, to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step execution, and/or one step broken down into multiple step executions.
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.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (8)
1. A meter reading system comprising a wideband carrier concentrator and a converter, wherein:
the broadband carrier concentrator is used for sending a first broadband carrier signal carrying a meter reading instruction to the converter; the broadband power meter is used for receiving a second broadband carrier signal sent by the converter and storing electric quantity information of a corresponding carrier electric energy meter carried in the second broadband carrier signal;
the converter is used for receiving the first broadband carrier signal, modulating and demodulating the first broadband carrier signal to obtain a first narrowband carrier signal, and sending the first narrowband carrier signal to at least one carrier electric energy meter; and the second narrowband carrier signal is used for receiving a second narrowband carrier signal which is sent by each carrier electric energy meter and carries the self electric quantity information, modulating and demodulating the second narrowband carrier signal to obtain a second broadband carrier signal, and sending the second broadband carrier signal to the broadband carrier concentrator.
2. The system of claim 1,
the broadband carrier concentrator is also used for analyzing and summarizing the stored electric quantity information of each carrier electric energy meter, and when a preset reporting condition is triggered, the analyzed and summarized data are borne in a third broadband carrier signal and reported to the master station.
3. The system of claim 1, wherein the wideband carrier concentrator complies with national network 376.2 specifications or complies with south network 16 specifications.
4. The system of claim 1, wherein said carrier power meter complies with the 645 specification.
5. A method of meter reading, comprising:
receiving a first broadband carrier signal carrying a meter reading instruction;
carrying out modulation and demodulation on the first broadband carrier signal to obtain a first narrowband carrier signal;
sending the first narrowband carrier signal to at least one carrier electric energy meter;
receiving a second narrowband carrier signal which is sent by each carrier electric energy meter and carries self electric quantity information;
modulating and demodulating the second narrowband carrier signal to obtain a second wideband carrier signal;
and sending the second broadband carrier signal to a broadband carrier concentrator, so that the broadband carrier concentrator stores the electric quantity information of the corresponding carrier electric energy meter.
6. A meter reading device, comprising:
the receiving module is used for receiving a first broadband carrier signal carrying a meter reading instruction; the carrier electric energy meter is also used for receiving a second narrowband carrier signal which is sent by each carrier electric energy meter and carries the self electric quantity information;
the conversion module is used for modulating and demodulating the first broadband carrier signal to obtain a first narrowband carrier signal; the second narrowband carrier signal is modulated and demodulated to obtain a second wideband carrier signal;
the transmitting module is used for transmitting the first narrowband carrier signal to at least one carrier electric energy meter; and the broadband carrier concentrator is also used for sending the second broadband carrier signal to the broadband carrier concentrator, so that the broadband carrier concentrator stores the electric quantity information of the corresponding carrier electric energy meter.
7. An electronic device, comprising: at least one processor, and a memory communicatively coupled to the at least one processor, wherein:
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of claim 5.
8. A computer-readable medium having stored thereon computer-executable instructions for performing the method of claim 5.
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| CN201811517028.7A CN111313933A (en) | 2018-12-12 | 2018-12-12 | Meter reading method, device and system |
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| CN201811517028.7A CN111313933A (en) | 2018-12-12 | 2018-12-12 | Meter reading method, device and system |
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Cited By (3)
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| CN112365702A (en) * | 2020-10-27 | 2021-02-12 | 青岛鼎信通讯股份有限公司 | Power line broadband narrowband carrier hybrid meter reading system |
| CN113567718A (en) * | 2021-06-30 | 2021-10-29 | 宁波三星医疗电气股份有限公司 | Method for selecting data acquisition mode according to transformer area environment |
| CN114866875A (en) * | 2022-05-06 | 2022-08-05 | 贵州电网有限责任公司 | Broadband carrier communication expansion device based on interconnection and interworking |
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Application publication date: 20200619 |