CN107835037B - Power carrier frequency control method and device - Google Patents
Power carrier frequency control method and device Download PDFInfo
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- CN107835037B CN107835037B CN201711279423.1A CN201711279423A CN107835037B CN 107835037 B CN107835037 B CN 107835037B CN 201711279423 A CN201711279423 A CN 201711279423A CN 107835037 B CN107835037 B CN 107835037B
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- module circuit
- power bus
- load
- configuration instruction
- carrier frequency
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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 application discloses a power carrier frequency control method and a device, wherein the method comprises the following steps: reading and analyzing the load characteristic parameters of the power bus detected by the load detection module circuit to generate a configuration instruction; and sending the generated configuration instruction to the PLC module circuit so that the PLC module circuit configures the working state of the PLC module circuit according to the configuration instruction. The application solves the problems of poor universality and influence on communication quality of the power carrier module corresponding to different load characteristics in the prior art, improves the universality of the power carrier module, and further improves the communication quality.
Description
Technical Field
The application relates to the technical field of power line carriers, in particular to a power line carrier frequency control method and device.
Background
Along with the development trend of the energy internet, the energy information is more tightly interconnected. The development of power line carrier technology, which has been the longest research in information carrier transmission, has been limited. One of the reasons is that the power system has various and changeable loads and different load characteristics, and the absorption degree of the power system to signals is quite different, so that the power carrier module cannot be generalized, and certain frequencies cause short communication distance and low communication quality under the corresponding load characteristics, so that the existing application is quite limited. In the energy internet era, by means of the trigger, the power line carrier technology is improved and plays the advantage that a communication line is not required to be distributed, and the transmission technology is utilized, so that the method becomes a vital ring for information transmission.
Aiming at the problems that the power carrier module in the related art has poor universality and affects the communication quality under the condition of corresponding to different load characteristics, no effective solution is proposed at present.
Disclosure of Invention
The application provides a power carrier frequency control method and a device, which at least solve the problems that the universality is poor and the communication quality is affected under the condition that a power carrier module corresponds to different load characteristics in the prior art.
In order to solve the above technical problem, according to an aspect of the present application, there is provided a power carrier frequency control method including: reading and analyzing the load characteristic parameters of the power bus detected by the load detection module circuit to generate a configuration instruction, wherein the load detection module circuit is connected to the power bus and used for detecting the load characteristic parameters of the power bus; and sending the generated configuration instruction to the PLC module circuit so that the PLC module circuit configures the working state of the PLC module circuit according to the configuration instruction, wherein the PLC module circuit is connected to the power bus.
Optionally, the load characteristic parameter of the power bus detected by the load detection module circuit at least comprises one of the following: voltage parameters, current parameters, phase relation, line capacitive reactance, line inductive reactance.
Optionally, reading a load characteristic parameter of the power bus detected by the load detection module circuit, and analyzing the load characteristic parameter to generate a configuration instruction, including: and analyzing a load model of the power bus according to the read load characteristic parameters of the power bus, determining the carrier frequency, and generating a configuration instruction corresponding to the determined carrier frequency.
Optionally, analyzing a load model of the power bus according to the read load characteristic parameter of the power bus, and determining the carrier frequency includes: according to the read load characteristic parameters of the power bus, analyzing a load model of the power bus, calculating the maximum loss point frequency of the load model, determining the maximum loss interval, and determining the carrier frequency avoiding the maximum loss interval.
Optionally, analyzing a load model of the power bus according to the read load characteristic parameter of the power bus, determining a carrier frequency, and generating a configuration instruction corresponding to the determined carrier frequency, including: according to the read load characteristic parameters of the power bus, analyzing a load model of the power bus, and determining gears corresponding to carrier frequencies, wherein a plurality of gears are preset, and each gear corresponds to carrier frequencies in different ranges; and generating a configuration instruction corresponding to the gear corresponding to the determined carrier frequency according to the gear corresponding to the determined carrier frequency.
Optionally, the sending the generated configuration instruction to the PLC module circuit, so that the PLC module circuit configures the working state thereof according to the configuration instruction, includes: and sending the generated configuration instruction to the PLC module circuit so that the PLC module circuit configures the carrier frequency according to the configuration instruction.
Optionally, the method includes reading a load characteristic parameter of the power bus detected by the load detection module circuit, analyzing the load characteristic parameter, generating a configuration instruction, and further includes: and analyzing a load model of the power bus according to the read load characteristic parameters of the power bus, determining a modulation mode and a signal amplification factor, and generating configuration instructions corresponding to the determined modulation mode and the determined signal amplification factor.
Optionally, after sending the generated configuration instruction to the PLC module circuit to enable the PLC module circuit to configure the working state thereof according to the configuration instruction, the method further includes: and outputting data to the PLC module circuit, and transmitting the data to the power bus through the PLC module circuit.
According to another aspect of the present application, there is provided a power carrier frequency control apparatus including: the power bus comprises a load detection module circuit, a processor and a PLC module circuit, wherein the load detection module circuit is connected with the power bus and used for detecting load characteristic parameters on the power bus; the processor is connected with the load detection module circuit and used for reading the load characteristic parameters detected by the load detection module circuit, analyzing the load characteristic parameters and generating a configuration instruction according to an analysis result; the PLC module circuit is used for receiving the configuration instruction sent by the processor and configuring the working state of the PLC module circuit according to the configuration instruction.
Optionally, the processor is further configured to output data to the PLC module circuit, and transmit the data to the power bus through the PLC module circuit.
In the application, when the power carrier frequency is controlled, different load characteristic parameters are considered, and a control instruction is generated according to the load characteristic parameters of the power bus detected by the read load detection module circuit, so that the working state of the PLC module circuit is controlled.
Drawings
Fig. 1 is an alternative flow chart of a power carrier frequency control method according to an embodiment of the application; and
fig. 2 is a schematic diagram of an alternative configuration of a power carrier frequency control device according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the application. Rather, they are merely examples of apparatus and methods consistent with aspects of the application as detailed in the accompanying claims.
Example 1
The power carrier frequency control method provided by the application is described below with reference to the accompanying drawings.
As shown in fig. 1, the power carrier frequency control method may include the following steps S102 to S104:
s102, reading and analyzing load characteristic parameters of the power bus detected by a load detection module circuit to generate a configuration instruction, wherein the load detection module circuit is connected to the power bus and is used for detecting the load characteristic parameters of the power bus;
preferably, the load characteristic parameter of the power bus detected by the load detection module circuit may include: one or more of voltage parameters, current parameters, phase relation, line capacitive reactance and line inductive reactance can be added to detect other load characteristic parameters according to circuit requirements.
And S104, sending the generated configuration instruction to the PLC module circuit so that the PLC module circuit configures the working state of the PLC module circuit according to the configuration instruction, wherein the PLC module circuit is connected to the power bus.
In the above embodiment, when the power carrier frequency is controlled, different load characteristic parameters are considered, and a control instruction is generated according to the load characteristic parameters of the power bus detected by the read load detection module circuit, so as to control the working state of the PLC module circuit. In specific implementation, the method for reading the load characteristic parameters of the power bus detected by the load detection module circuit, analyzing the load characteristic parameters, and generating a configuration instruction comprises the following steps: and analyzing a load model of the power bus according to the read load characteristic parameters of the power bus, determining the carrier frequency, and generating a configuration instruction corresponding to the determined carrier frequency. Preferably, when the scheme is implemented, according to the read load characteristic parameters of the power bus, a load model of the power bus is analyzed, the maximum loss point frequency of the load model is calculated, the maximum loss interval is determined, and the carrier frequency is determined while avoiding the maximum loss interval. For example, by using a technology of detecting and modeling a model of a line access load, a maximum loss point and a + -3 dB frequency range of the corresponding model are calculated, and then, according to the calculation result, the carrier frequency of the power line signal is adjusted, the attenuation point is avoided, and the carrier frequency is adjusted to the minimum attenuation.
Preferably, when analyzing a load model of the power bus according to the read load characteristic parameter of the power bus, determining a carrier frequency, and generating a configuration instruction corresponding to the determined carrier frequency, the load model of the power bus may be analyzed according to the read load characteristic parameter of the power bus to determine a gear corresponding to the carrier frequency, where a plurality of gears are preset, and each gear corresponds to a carrier frequency in a different range; and then, generating a configuration instruction corresponding to the gear corresponding to the determined carrier frequency according to the gear corresponding to the determined carrier frequency. By setting the mapping relation between the gear and the carrier frequencies in different ranges, the configuration instruction can be generated more quickly and conveniently, and the adjustment and control are facilitated.
Preferably, after the generated configuration instruction is sent to the PLC module circuit, so that the PLC module circuit configures the working state thereof according to the configuration instruction, the method further includes: and outputting data to the PLC module circuit, and transmitting the data to the power bus through the PLC module circuit.
In addition, the generated configuration command may include the above-described configuration of the carrier frequency, and may further analyze a load model of the power bus according to the read load characteristic parameter of the power bus, determine a modulation scheme and a signal amplification factor, and generate a configuration command corresponding to the determined modulation scheme and signal amplification factor. By the embodiment, the configuration diversity can be realized, and the universality of the power carrier module is further improved.
Example 2
Based on the power carrier frequency control method provided in the above embodiment 1, an optional embodiment 2 of the present application further provides a power carrier frequency control device, specifically, fig. 2 shows an optional structural schematic diagram of the device, and as shown in fig. 2, the device includes: load detection module circuit, processor and PLC module circuit, wherein,
the load detection module circuit is connected to the power bus (the single-phase alternating current L/N in the illustration of fig. 2 is not limited to the type of the power bus in practical application, and can also be a direct current bus) and is used for detecting the load characteristic parameters on the power bus;
the processor is connected with the load detection module circuit and used for reading the load characteristic parameters detected by the load detection module circuit, analyzing the load characteristic parameters and generating a configuration instruction according to an analysis result;
the PLC module circuit is used for receiving the configuration instruction sent by the processor and configuring the working state of the PLC module circuit according to the configuration instruction.
Preferably, the processor is further configured to output data to the PLC module circuit, through which the data is transmitted to the power bus.
In the above embodiment, when the power carrier frequency is controlled, different load characteristic parameters are considered, and a control instruction is generated according to the load characteristic parameters of the power bus detected by the read load detection module circuit, so as to control the working state of the PLC module circuit.
The following describes each part of the power carrier frequency control device shown in fig. 2 in detail, so as to better understand the present device:
the module in the application comprises three parts:
a PLC module circuit mainly comprises the following functions: (1) and receiving a processor instruction and performing self state configuration. The method is mainly configured into carrier frequency, modulation mode and signal amplification factor; (2) receiving a data signal sent by a processor, and completely transmitting the data signal to a power bus (single-phase alternating current L/N in the illustration is not limited to the power bus in practical application, and can be a direct current bus); (3) and receiving signals from the power bus, filtering and selecting frequencies, and sending the signals to the processor.
2. A processor whose main functions include: (1) outputting a configuration instruction to a PLC module circuit to configure the working state of the PLC module circuit; (2) outputting data to the PLC module circuit, and transmitting the data to the power bus through the PLC module circuit; (3) reading circuit parameters of the load detection module, and performing processing analysis;
3. the load detection module circuit has the main functions of: (1) detecting the load characteristic on the power bus, wherein the load characteristic mainly comprises a voltage parameter, a current parameter, a phase relation, a line capacitive reactance and a line inductive reactance; (2) and uploading the detection data to a processor side.
The working process is that after all the module circuits are connected, the load detection module circuit detects the load condition on the power bus, the processor reads the data of the load detection module circuit at regular time, analyzes the load model and determines the carrier frequency gear. The processor module sends the instruction to the PLC carrier module circuit, configures the carrier frequency of the PLC carrier module circuit and completes the control of the carrier frequency.
In terms of carrier control precision, a plurality of carrier frequency gears can be set in the processor, and the carrier frequency of the optimal gear is determined by analyzing the load model. Therefore, the power line carrier modules connected to the same power bus are ensured to work at the same carrier frequency, and normal communication is ensured.
The specific manner in which the respective units and modules perform the operations in the apparatus of the above embodiments has been described in detail in the embodiments related to the method, and will not be described in detail here.
Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It is to be understood that the application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (8)
1. A power carrier frequency control method, comprising:
reading and analyzing the load characteristic parameters of the power bus detected by the load detection module circuit to generate a configuration instruction, wherein the load detection module circuit is connected to the power bus and is used for detecting the load characteristic parameters of the power bus;
the generated configuration instruction is sent to a PLC module circuit, so that the PLC module circuit configures the working state of the PLC module circuit according to the configuration instruction, wherein the PLC module circuit is connected to the power bus;
the method for reading and analyzing the load characteristic parameters of the power bus detected by the load detection module circuit and generating the configuration instruction comprises the following steps:
according to the read load characteristic parameters of the power bus, analyzing a load model of the power bus, determining a carrier frequency, and generating a configuration instruction corresponding to the determined carrier frequency;
according to the read load characteristic parameters of the power bus, analyzing a load model of the power bus, and determining a carrier frequency, wherein the method comprises the following steps:
and analyzing a load model of the power bus according to the read load characteristic parameters of the power bus, calculating the maximum loss point frequency of the load model, determining a maximum loss interval, and determining the carrier frequency while avoiding the maximum loss interval.
2. The method of claim 1, wherein the load characteristic of the power bus detected by the load detection module circuit comprises at least one of: voltage parameters, current parameters, phase relation, line capacitive reactance, line inductive reactance.
3. The method according to claim 1, wherein the analyzing the load model of the power bus according to the read load characteristic parameter of the power bus, determining a carrier frequency, and generating the configuration instruction corresponding to the determined carrier frequency includes:
analyzing a load model of the power bus according to the read load characteristic parameters of the power bus, and determining gears corresponding to carrier frequencies, wherein a plurality of gears are preset, and each gear corresponds to carrier frequencies in different ranges;
and generating a configuration instruction corresponding to the gear corresponding to the determined carrier frequency according to the gear corresponding to the determined carrier frequency.
4. A method according to claim 1 or 3, wherein said sending the generated configuration instruction to a PLC module circuit to cause the PLC module circuit to configure its operating state according to the configuration instruction comprises:
and sending the generated configuration instruction to a PLC module circuit so that the PLC module circuit configures the carrier frequency according to the configuration instruction.
5. The method of claim 1, wherein the reading and parsing the load characteristic parameter of the power bus detected by the load detection module circuit to generate the configuration command further comprises:
and analyzing a load model of the power bus according to the read load characteristic parameters of the power bus, determining a modulation mode and a signal amplification factor, and generating configuration instructions corresponding to the determined modulation mode and the determined signal amplification factor.
6. The method according to claim 1, further comprising, after said sending the generated configuration instruction to a PLC module circuit to cause the PLC module circuit to configure its operating state according to the configuration instruction:
and outputting data to the PLC module circuit, and transmitting the data to the power bus through the PLC module circuit.
7. A power carrier frequency control apparatus, comprising: load detection module circuit, processor and PLC module circuit, wherein,
the load detection module circuit is connected to the power bus and used for detecting load characteristic parameters on the power bus;
the processor is connected with the load detection module circuit, and is used for reading the load characteristic parameters detected by the load detection module circuit, analyzing the load characteristic parameters and generating a configuration instruction according to an analysis result;
the PLC module circuit is used for receiving a configuration instruction sent by the processor and configuring the working state of the PLC module circuit according to the configuration instruction;
the processor is specifically configured to: analyzing a load model of the power bus according to the read load characteristic parameters of the power bus, calculating the maximum loss point frequency of the load model, determining a maximum loss interval, and determining carrier frequency while avoiding the maximum loss interval; generating a configuration instruction corresponding to the determined carrier frequency.
8. The apparatus of claim 7, wherein the processor is further configured to output data to the PLC module circuit, the data being transmitted to the power bus by the PLC module circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711279423.1A CN107835037B (en) | 2017-12-06 | 2017-12-06 | Power carrier frequency control method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711279423.1A CN107835037B (en) | 2017-12-06 | 2017-12-06 | Power carrier frequency control method and device |
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| CN107835037A CN107835037A (en) | 2018-03-23 |
| CN107835037B true CN107835037B (en) | 2023-08-15 |
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| CN201711279423.1A Active CN107835037B (en) | 2017-12-06 | 2017-12-06 | Power carrier frequency control method and device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826893A (en) * | 2010-04-12 | 2010-09-08 | 扬州市万泰电器厂有限公司 | Intelligent ammeter for carrier communication by utilizing power line and working method thereof |
| CN102255637A (en) * | 2011-07-15 | 2011-11-23 | 中国电力科学研究院 | Carrier communication test equipment |
| CN102783249A (en) * | 2009-12-08 | 2012-11-14 | 特里多尼克股份有限公司 | Controllable retrofit LED lamps and lighting system having an LED lamp |
| CN105812026A (en) * | 2016-04-01 | 2016-07-27 | 北京四季豆信息技术有限公司 | Broadband power line carrier communication frame receiving method and device |
| CN107069973A (en) * | 2017-06-09 | 2017-08-18 | 浙江群力电气有限公司 | A kind of power network monitoring system |
| CN207691802U (en) * | 2017-12-06 | 2018-08-03 | 珠海格力电器股份有限公司 | Power carrier frequency control apparatus |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6867558B2 (en) * | 2003-05-12 | 2005-03-15 | General Electric Company | Method and apparatus for networked lighting system control |
| US20080012724A1 (en) * | 2006-01-30 | 2008-01-17 | Corcoran Kevin F | Power line communications module and method |
| US8994218B2 (en) * | 2011-06-10 | 2015-03-31 | Cyboenergy, Inc. | Smart and scalable off-grid mini-inverters |
-
2017
- 2017-12-06 CN CN201711279423.1A patent/CN107835037B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102783249A (en) * | 2009-12-08 | 2012-11-14 | 特里多尼克股份有限公司 | Controllable retrofit LED lamps and lighting system having an LED lamp |
| CN101826893A (en) * | 2010-04-12 | 2010-09-08 | 扬州市万泰电器厂有限公司 | Intelligent ammeter for carrier communication by utilizing power line and working method thereof |
| CN102255637A (en) * | 2011-07-15 | 2011-11-23 | 中国电力科学研究院 | Carrier communication test equipment |
| WO2013010447A1 (en) * | 2011-07-15 | 2013-01-24 | 中国电力科学研究院 | Carrier communication test device |
| CN105812026A (en) * | 2016-04-01 | 2016-07-27 | 北京四季豆信息技术有限公司 | Broadband power line carrier communication frame receiving method and device |
| CN107069973A (en) * | 2017-06-09 | 2017-08-18 | 浙江群力电气有限公司 | A kind of power network monitoring system |
| CN207691802U (en) * | 2017-12-06 | 2018-08-03 | 珠海格力电器股份有限公司 | Power carrier frequency control apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 贺良华 ; 荣佳 ; .基于低压电力线载波通信的用电量智能监测系统设计.自动化技术与应用.2009,(02),全文. * |
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