CN116961697A - Power on-line monitoring data carrier communication transmission method - Google Patents
Power on-line monitoring data carrier communication transmission method Download PDFInfo
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- CN116961697A CN116961697A CN202310874602.9A CN202310874602A CN116961697A CN 116961697 A CN116961697 A CN 116961697A CN 202310874602 A CN202310874602 A CN 202310874602A CN 116961697 A CN116961697 A CN 116961697A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 110
- 230000005540 biological transmission Effects 0.000 title claims abstract description 59
- 238000004891 communication Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 53
- 238000012545 processing Methods 0.000 claims abstract description 20
- 238000011084 recovery Methods 0.000 claims description 8
- 238000013523 data management Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000007726 management method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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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
- H04B3/544—Setting up communications; Call and signalling arrangements
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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
- H04B3/542—Systems for transmission via power distribution lines the information being in digital form
Abstract
The invention discloses a power on-line monitoring data carrier communication transmission method, which comprises the steps of selecting nodes to be monitored in a power system, and collecting power data of the monitored nodes; the acquired power on-line monitoring data are subjected to digital processing and are modulated onto carrier signals; injecting the modulated carrier signal into the power line so that the carrier signal can be transmitted along the power line; setting a target node in a power system, wherein receiving equipment is arranged at the target node and is used for receiving carrier signals transmitted by a power line; demodulating the received carrier signal by using receiving equipment, and restoring the carrier signal into original power on-line monitoring data; the communication transmission method has the technical characteristics of high transmission efficiency and high safety.
Description
Technical Field
The invention relates to the field of online monitoring data communication transmission processing, in particular to a power online monitoring data carrier communication transmission method.
Background
Carrier communication is a technique widely used in wireless communication systems that uses electromagnetic waves in a specific frequency range as a transmission medium for information.
In carrier communication, an original signal is modulated onto a high frequency signal called a "carrier" and then transmitted to a receiving end through air or other medium, and then demodulated and restored to the original signal. In wireless communication, carrier communication is commonly used in the fields of radio broadcasting, mobile communication, satellite communication, and the like.
However, researches find that the current on-line monitoring of the power data does not widely use a carrier communication technology but adopts a wired transmission communication module, and the communication module has high cost and poor safety in transmission mode, so that the current on-line monitoring and transmission of the power data cannot meet the technical requirements of wide power wireless communication information transmission.
In operation and management of an electric power system, it is important to monitor and acquire electric power data of each node in real time. The traditional wired communication mode has the problems of complex wiring, high cost and the like, and limits the transmission efficiency and coverage range of on-line monitoring data. Therefore, the carrier communication is adopted as a data transmission means, and the method has wide application prospect.
Disclosure of Invention
The invention aims to provide a power on-line monitoring data carrier communication transmission method, which solves the technical problems pointed out in the prior art.
The embodiment of the invention relates to a power on-line monitoring data carrier communication transmission method based on power data, and aims to provide a practical and efficient method for transmitting on-line monitoring data in a power system. The method utilizes the carrier communication technology to modulate the power on-line monitoring data onto the carrier signal and transmits the power on-line monitoring data through the power line so as to realize quick and reliable data transmission.
The invention provides a power on-line monitoring data carrier communication transmission method, which comprises the following operation steps:
and (3) electric power data acquisition: selecting a node to be monitored in a power system, and collecting power data of the monitored node;
and (3) power data modulation: the acquired power on-line monitoring data are subjected to digital processing and are modulated onto carrier signals;
carrier signal injection: injecting the modulated carrier signal into the power line so that the carrier signal can be transmitted along the power line;
and (3) power data receiving: setting a target node in a power system, wherein receiving equipment is arranged at the target node and is used for receiving carrier signals transmitted by a power line;
power on-line monitoring data demodulation and data recovery: and demodulating the received carrier signal by using the receiving equipment and restoring the carrier signal into original power on-line monitoring data.
Preferably, as an embodiment; the method further comprises the following steps of: and connecting a data acquisition terminal at the monitored node, and acquiring the electric power data of the monitored node by using the data acquisition terminal.
Preferably, as an embodiment; before the power data acquisition is performed, the method further comprises the step of acquiring a monitored node request:
the acquiring the monitored node request comprises: the power system receives monitoring requests of a plurality of monitored nodes in real time, and the power system responds to the monitoring requests of the nodes to realize communication connection of the current plurality of monitored nodes.
Preferably, as an embodiment; after the power on-line monitoring data demodulation and data recovery, further data management is carried out on the power on-line monitoring data.
Preferably, as an embodiment; the power on-line monitoring data is further subjected to data management, and specifically comprises the following operations:
analyzing and storing the power on-line monitoring data obtained by demodulation; the storage processing comprises the steps of transmitting the power on-line monitoring data to an upper computer or a cloud server;
and the cloud server stores the power online monitoring data in a cloud computing mode, and supplies and downloads the power online monitoring data after receiving the power online monitoring data downloading request instruction sent by the user side.
Preferably, as an embodiment; the method for analyzing and processing the demodulated power on-line monitoring data comprises the following operation steps:
node position determination and time determination are carried out on the power online monitoring data obtained through demodulation, and a power data report is generated; the power data report includes each monitored node location and power on-line monitoring data output over a time axis.
Preferably, as an embodiment; the acquired power on-line monitoring data are subjected to digital processing and are modulated onto carrier signals; the digital processing of the collected power on-line monitoring data is to convert the power on-line monitoring data into a carrier signal through a preset modulation mode.
Preferably, as an embodiment; the preset modulation mode comprises a modulation mode of (AM) or Frequency Shift Keying (FSK).
Preferably, as an embodiment; the power on-line monitoring data include, for example, transmission current, transmission voltage, transmission power.
The invention provides a readable storage medium, which comprises a stored program, wherein the device where the readable storage medium is located is controlled to execute the power on-line monitoring data carrier communication transmission method when the program runs.
Compared with the prior art, the embodiment of the invention has at least the following technical advantages:
the analysis of the power on-line monitoring data carrier communication transmission method provided by the invention is known;
when the method is applied specifically, firstly, electric power data acquisition is carried out: and selecting nodes to be monitored in the power system, and collecting power data of the monitored nodes. And (3) power data modulation: the acquired power on-line monitoring data are subjected to digital processing and are modulated onto carrier signals; carrier signal injection: injecting the modulated carrier signal into the power line so that the carrier signal can be transmitted along the power line; and (3) power data receiving: setting a target node in a power system, wherein receiving equipment is arranged at the target node and is used for receiving carrier signals transmitted by a power line; power on-line monitoring data demodulation and data recovery: and demodulating the received carrier signal by using the receiving equipment and restoring the carrier signal into original power on-line monitoring data.
The power on-line monitoring data carrier communication transmission method provided by the invention has the following advantages: high efficiency and reliability: the carrier communication technology is adopted for data transmission, no additional wired wiring is needed, the complexity and cost of the system are reduced, and the efficiency and reliability of data transmission are improved. The method is widely applicable: the method is suitable for various power systems, including power distribution networks, substations and the like, and can meet the online monitoring requirements of different scales and complexity. Safety and confidentiality: data is transmitted through carrier communication, so that the data is not easy to be intercepted and interfered by the outside, and higher data security and confidentiality are provided.
Therefore, the power on-line monitoring data carrier communication transmission method provided by the invention greatly improves the power data transmission efficiency, ensures the safety of data transmission, and has wide application prospect and commercial value.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of main operation steps of a power on-line monitoring data carrier communication transmission method according to a first embodiment of the present invention;
fig. 2 is a schematic diagram of a specific operation procedure in a power on-line monitoring data carrier communication transmission method according to a first embodiment of the present invention;
fig. 3 is a schematic diagram of another specific operation step in a power on-line monitoring data carrier communication transmission method according to a first embodiment of the present invention;
fig. 4 is a schematic diagram illustrating still another specific operation steps in a method for transmitting power on-line monitoring data carrier communication according to a first embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention will now be described in further detail with reference to specific examples thereof in connection with the accompanying drawings.
Example 1
Referring to fig. 1, fig. 1 is a schematic diagram of an overall operation flow of a power on-line monitoring data carrier communication transmission method according to a first embodiment of the present invention;
the invention provides a power on-line monitoring data carrier communication transmission method, which comprises the following operation steps:
step S10: and (3) electric power data acquisition: selecting a node to be monitored in a power system, and collecting power data of the monitored node; the power on-line monitoring data includes, for example, transmission current, transmission voltage, transmission power, and the like.
Step S20: and (3) power data modulation: the acquired power on-line monitoring data are subjected to digital processing and are modulated onto carrier signals; modulation modes such as Amplitude Modulation (AM) or Frequency Shift Keying (FSK) can be adopted, and a proper modulation method can be selected according to actual requirements.
Step S30: carrier signal injection: injecting the modulated carrier signal into the power line so that the carrier signal can be transmitted along the power line; the carrier signal may be coupled to the power line by a coupler or injection device such that the carrier signal is capable of being transmitted along the power line.
Step S40: and (3) power data receiving: setting a target node in a power system, wherein receiving equipment is arranged at the target node and is used for receiving carrier signals transmitted by a power line;
step S50: power on-line monitoring data demodulation and data recovery: and demodulating the received carrier signal by using the receiving equipment and restoring the carrier signal into original power on-line monitoring data.
When the method is applied specifically, firstly, electric power data acquisition is carried out: and selecting nodes to be monitored in the power system, and collecting power data of the monitored nodes. And (3) power data modulation: the acquired power on-line monitoring data are subjected to digital processing and are modulated onto carrier signals; carrier signal injection: injecting the modulated carrier signal into the power line so that the carrier signal can be transmitted along the power line; and (3) power data receiving: setting a target node in a power system, wherein receiving equipment is arranged at the target node and is used for receiving carrier signals transmitted by a power line; power on-line monitoring data demodulation and data recovery: and demodulating the received carrier signal by using the receiving equipment and restoring the carrier signal into original power on-line monitoring data.
The power on-line monitoring data carrier communication transmission method provided by the invention has the following advantages: high efficiency and reliability: the carrier communication technology is adopted for data transmission, no additional wired wiring is needed, the complexity and cost of the system are reduced, and the efficiency and reliability of data transmission are improved. The method is widely applicable: the method is suitable for various power systems, including power distribution networks, substations and the like, and can meet the online monitoring requirements of different scales and complexity. Safety and confidentiality: data is transmitted through carrier communication, so that the data is not easy to be intercepted and interfered by the outside, and higher data security and confidentiality are provided.
Therefore, the power on-line monitoring data carrier communication transmission method provided by the invention greatly improves the power data transmission efficiency, ensures the safety of data transmission, and has wide application prospect and commercial value.
Preferably, as an embodiment; in the execution process of step S10, before collecting the power data of the monitored node, the method further includes: and connecting a data acquisition terminal at the monitored node, and acquiring the electric power data of the monitored node by using the data acquisition terminal.
Referring to fig. 2, before the step S10 is performed, the method further includes acquiring a monitored node request:
step S11: the acquiring the monitored node request comprises: the power system receives monitoring requests of a plurality of monitored nodes in real time, and the power system responds to the monitoring requests of the nodes to realize communication connection of the current plurality of monitored nodes.
Preferably, as an embodiment; after the power on-line monitoring data demodulation and data recovery, further data management is carried out on the power on-line monitoring data.
Referring to fig. 3, the power on-line monitoring data performs further data management, which specifically includes the following operations:
step S60: analyzing and storing the power on-line monitoring data obtained by demodulation; the storage processing comprises the steps of transmitting the power on-line monitoring data to an upper computer or a cloud server;
step S70: and the cloud server stores the power online monitoring data in a cloud computing mode, and supplies and downloads the power online monitoring data after receiving the power online monitoring data downloading request instruction sent by the user side.
It should be noted that, analysis processing and storage processing are performed on the power online monitoring data obtained through demodulation, so as to meet the monitoring and management requirements of the power system. The data can be transmitted to an upper computer or a cloud platform for further data analysis and decision support.
Referring to fig. 4, the analysis processing of the demodulated power on-line monitoring data includes the following operation steps:
step S61: node position determination and time determination are carried out on the power online monitoring data obtained through demodulation, and a power data report is generated; the power data report includes each monitored node location and power on-line monitoring data output over a time axis.
Preferably, as an embodiment; in the execution process of the step S20, the acquired power on-line monitoring data is subjected to digital processing and modulated onto a carrier signal; the digital processing of the collected power on-line monitoring data is to convert the power on-line monitoring data into a carrier signal by an Amplitude Modulation (AM) or Frequency Shift Keying (FSK) modulation mode.
In summary, the power on-line monitoring data carrier communication transmission method provided by the invention has the following advantages: high efficiency and reliability: the carrier communication technology is adopted for data transmission, no additional wired wiring is needed, the complexity and cost of the system are reduced, and the efficiency and reliability of data transmission are improved. The method is widely applicable: the method is suitable for various power systems, including power distribution networks, substations and the like, and can meet the online monitoring requirements of different scales and complexity. Safety and confidentiality: data is transmitted through carrier communication, so that the data is not easy to be intercepted and interfered by the outside, and higher data security and confidentiality are provided.
Therefore, the power on-line monitoring data carrier communication transmission method provided by the invention greatly improves the power data transmission efficiency, ensures the safety of data transmission, and has wide application prospect and commercial value.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; modifications of the technical solutions described in the foregoing embodiments, or equivalent substitutions of some or all of the technical features thereof, may be made by those of ordinary skill in the art; such modifications and substitutions do not depart from the spirit of the invention.
Claims (10)
1. The power on-line monitoring data carrier communication transmission method is characterized by comprising the following operation steps:
and (3) electric power data acquisition: selecting a node to be monitored in a power system, and collecting power data of the monitored node;
and (3) power data modulation: the acquired power on-line monitoring data are subjected to digital processing and are modulated onto carrier signals;
carrier signal injection: injecting the modulated carrier signal into the power line so that the carrier signal can be transmitted along the power line;
and (3) power data receiving: setting a target node in a power system, wherein receiving equipment is arranged at the target node and is used for receiving carrier signals transmitted by a power line;
power on-line monitoring data demodulation and data recovery: and demodulating the received carrier signal by using the receiving equipment and restoring the carrier signal into original power on-line monitoring data.
2. The method for power on-line monitoring data carrier communication transmission according to claim 1, further comprising, before collecting power data of the monitored node: and connecting a data acquisition terminal at the monitored node, and acquiring the electric power data of the monitored node by using the data acquisition terminal.
3. The method for power on-line monitoring data carrier communication transmission according to claim 1, further comprising acquiring a monitored node request before power data acquisition is performed:
the acquiring the monitored node request comprises: the power system receives monitoring requests of a plurality of monitored nodes in real time, and the power system responds to the monitoring requests of the nodes to realize communication connection of the current plurality of monitored nodes.
4. The method of claim 1, further comprising performing further data management on the power on-line monitoring data after "power on-line monitoring data demodulation and data recovery".
5. The method for power on-line monitoring data carrier communication transmission according to claim 4, wherein the power on-line monitoring data is further subjected to data management, and specifically comprises the following operations:
analyzing and storing the power on-line monitoring data obtained by demodulation; the storage processing comprises the steps of transmitting the power on-line monitoring data to an upper computer or a cloud server;
and the cloud server stores the power online monitoring data in a cloud computing mode, and supplies and downloads the power online monitoring data after receiving the power online monitoring data downloading request instruction sent by the user side.
6. The method for transmitting power on-line monitoring data carrier communication according to claim 5, wherein the analyzing and processing the demodulated power on-line monitoring data comprises the following steps:
node position determination and time determination are carried out on the power online monitoring data obtained through demodulation, and a power data report is generated; the power data report includes each monitored node location and power on-line monitoring data output over a time axis.
7. The method for transmitting power on-line monitoring data carrier communication according to claim 6, wherein the collected power on-line monitoring data is digitally processed and modulated onto a carrier signal; the digital processing of the collected power on-line monitoring data is to convert the power on-line monitoring data into a carrier signal through a preset modulation mode.
8. The method for power on-line monitoring data carrier communication transmission according to claim 7, wherein the preset modulation scheme comprises an AM or FSK modulation scheme.
9. A method of power on-line monitoring data carrier communication transmission according to claim 1, wherein the power on-line monitoring data comprises, for example, transmission current, transmission voltage, transmission power.
10. A readable storage medium, characterized in that the readable storage medium comprises a stored program, wherein the program, when run, controls a device in which the readable storage medium is located to perform a power on-line monitoring data carrier communication transmission method according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310874602.9A CN116961697A (en) | 2023-07-17 | 2023-07-17 | Power on-line monitoring data carrier communication transmission method |
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| CN202310874602.9A CN116961697A (en) | 2023-07-17 | 2023-07-17 | Power on-line monitoring data carrier communication transmission method |
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| CN116961697A true CN116961697A (en) | 2023-10-27 |
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| CN202310874602.9A Pending CN116961697A (en) | 2023-07-17 | 2023-07-17 | Power on-line monitoring data carrier communication transmission method |
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- 2023-07-17 CN CN202310874602.9A patent/CN116961697A/en active Pending
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