CN117614895A - Communication control method and system based on dual-mode communication module - Google Patents
Communication control method and system based on dual-mode communication module Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
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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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
- H04L43/0829—Packet loss
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/16—Threshold monitoring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/80—Ingress point selection by the source endpoint, e.g. selection of ISP or POP
- H04L45/85—Selection among different networks
- H04L45/851—Dynamic network selection or re-selection, e.g. after degradation of quality
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Abstract
The invention discloses a communication control method and a communication control system based on a dual-mode communication module, which relate to the technical field of power carrier communication, and adopt the dual-mode communication module to carry out power data communication, wherein the dual-mode communication module comprises an HPLC broadband carrier module, an HRF micro-power wireless module and a communication control module based on a chip; the invention takes high-speed carrier communication of an HPLC broadband carrier module as a main part and takes high-speed wireless communication of an HRF micropower wireless module as an auxiliary part; in the dual-mode simultaneous communication period, the HPLC broadband carrier module and the HRF micropower wireless module work, the far-end server calculates the packet loss rate of the HPLC broadband carrier module, if the packet loss rate is greater than a set packet loss rate threshold value, the abnormal carrier communication result is output, the alarm reminds the staff to carry out timely maintenance, the HRF micropower wireless module is adopted to temporarily replace the HPLC broadband carrier module to carry out the collection of power operation data, and the reliability of the power data collection is greatly improved.
Description
Technical Field
The present invention relates to the field of power line carrier communication technologies, and in particular, to a communication control method and system based on a dual-mode communication module.
Background
The HPLC broadband carrier communication technology, namely high-speed power line carrier communication, is a technology for carrying out high-speed data transmission on a voltage power line. The HPLC technology adopts an Orthogonal Frequency Division Multiplexing (OFDM) technology, the frequency band is 2MHz to 12MHz, and compared with the traditional low-speed narrow-band power line carrier technology, the HPLC technology has larger bandwidth and higher transmission rate, and can meet the higher requirements of the power line carrier communication.
The Chinese patent application with publication number of CN116545477A discloses a communication method and device based on HPLC, and the specification of the communication method and device provides that when an HPLC signal passes through a transformer, the signal attenuation is overlarge, so that the signal is distorted and the transmission fails. The transformer limits the technical problems of the transmission distance and the transmission range of the HPLC; through setting up HPLC equipment to be connected with the high-pressure side and the low-pressure side of transformer, so after receiving the HPLC signal, HPLC equipment can realize crossing over the signal forwarding of transformer, has avoided the influence of transformer to the HPLC signal. Further, the HPLC equipment determines the forwarding power of the HPLC signal based on the length of the target power line, so that the opposite terminal equipment on the target power line can normally receive the HPLC signal forwarded by the HPLC equipment, and the normal transmission of the HPLC signal is ensured.
The technical scheme solves the problems of HPLC signal attenuation, transmission distance and limited range in the background technology to a certain extent, but the effect is generally achieved by adjusting the power to resist the strong interference effect of the transformer, and the stability of the equipment can be affected by frequent adjustment of the power.
Disclosure of Invention
In order to solve the technical problems, the invention provides a communication control method and a communication control system based on a dual-mode communication module. The following technical scheme is adopted:
a communication control method based on a dual-mode communication module adopts the dual-mode communication module to carry out power data communication, wherein the dual-mode communication module comprises an HPLC broadband carrier module, an HRF micropower wireless module and a chip-based communication control module;
the method for controlling the HPLC broadband carrier module and the HRF micropower wireless module by the communication control module comprises the following steps:
setting a carrier communication period and a dual-mode simultaneous communication period within 24 hours, controlling a data input end of an HPLC broadband carrier module to collect power operation data of power equipment by a carrier communication period communication control module, carrying out carrier modulation, transmitting a carrier signal to a power carrier signal demodulation module by a carrier communication output end of the HPLC broadband carrier module through a power line, and transmitting a power operation data packet to a remote server after the power carrier signal demodulation module demodulates the carrier signal;
the communication control module controls the HPLC broadband carrier module and the HRF micropower wireless module to work simultaneously in the dual-mode simultaneous communication period, and simultaneously collects power operation data of the power equipment, the HPLC broadband carrier module transmits the power operation data to the remote server in a carrier communication mode, and the HRF micropower wireless module transmits the power operation data of the power equipment to the remote server in a wireless communication mode;
setting a packet loss rate threshold, respectively analyzing power operation data of dual-mode communication by a remote server, comparing data integrity, calculating the packet loss rate of the power operation data transmitted by an HPLC broadband carrier module based on the power operation data transmitted by an HRF micro-power wireless module as standard data, outputting a carrier communication abnormal result if the calculated packet loss rate exceeds the packet loss rate threshold, alarming by the remote server and feeding back to a communication control module, and controlling the HRF micro-power wireless module to continuously perform wireless power communication in a carrier communication period and a dual-mode simultaneous communication period before maintenance.
By adopting the technical scheme, the power operation data of the power equipment is acquired by adopting a carrier wave and wireless dual-mode low-voltage centralized meter reading communication mode, the specific power equipment can be an intelligent ammeter and the like, and the acquisition of the power data can be performed at a set time according to design requirements;
the power operation data of the power equipment is realized by adopting a dual-mode communication module, the communication medium is a high-speed carrier wave of a power line and high-speed wireless, the channel characteristics of the carrier wave and wireless communication modes are completely different, the high-speed carrier wave communication of an HPLC broadband carrier wave module is taken as the main part, the high-speed wireless communication of an HRF micropower wireless module is taken as the auxiliary part in the application process, and in the specific operation process, the carrier signal of the HPLC broadband carrier wave module can pass through a transformer, the phenomenon of distortion packet loss can occur under the interference of the transformer, the high-speed wireless transmission is influenced by power supply, network architecture and the like, and is not suitable for long-term work of power data acquisition, but is suitable for being taken as an auxiliary communication mode of the high-speed carrier wave;
when the wireless communication device is particularly used, a carrier communication period and a dual-mode simultaneous communication period are set within 24 hours, and when the carrier communication period is set, the communication control module controls the HPLC broadband carrier module to perform power data acquisition work, and the HRF micro-power wireless module is in a dormant standby state;
in the dual-mode simultaneous communication period, the HPLC broadband carrier module and the HRF micropower wireless module work, at the moment, the power operation data received by the remote server are doubled, the data collected by the HRF micropower wireless module is used as standard data, the packet loss rate of the HPLC broadband carrier module is calculated, if the packet loss rate is larger than a set packet loss rate threshold value, the remote server can output a carrier communication abnormal result of the HPLC broadband carrier module, alarm is given to remind a worker to carry out timely maintenance, at the moment, the carrier signal communication of the HPLC broadband carrier module is considered to be abnormal, the abnormal generation can be an external interference source, and can also be power equipment temporarily added in a power line, the current communication wave band of the HPLC broadband carrier module is interfered by a temporarily added transformer and the like, and the communication interference can be reduced by adopting a mode of changing the communication wave band when the worker is overhauled, and the interference source can be treated;
and in the period from the abnormal carrier communication result judgment to the maintenance completion, for uninterrupted power operation data acquisition, the HRF micro-power wireless module is adopted to temporarily replace the HPLC broadband carrier module to acquire the power operation data, and high-speed wireless transmission is performed until the maintenance is completed, so that the reliability of the power data acquisition is greatly improved.
Alternatively, the carrier communication period is from four points in the morning to three points in the morning the next day, and the dual mode simultaneous communication period is from three points in the morning to four points.
By adopting the technical scheme, the main function of the HRF micropower wireless module is to collect and transmit standard data, and the transmission is carried out in a time period from three points to four points in the morning, so that the interference degree of the external environment is the lowest.
Optionally, in the carrier communication period, the communication control module controls the HPLC broadband carrier module to collect power operation data of the power equipment every two minutes;
in the dual-mode simultaneous communication period, the communication control module respectively controls the HPLC broadband carrier module and the HRF micropower wireless module to simultaneously acquire power operation data of the power equipment every two minutes, the remote server receives the power operation data packet of the power equipment transmitted by the HPLC broadband carrier module, the power operation data packet is respectively marked as Ca1, ca2, … … and Ca31 according to the time node sequence after analysis, and the power operation data packet of the power equipment wirelessly transmitted by the HRF micropower wireless module is respectively marked as W1, W2, … … and W31.
By adopting the technical scheme, the power operation data are acquired every two minutes, and 31 data packets are acquired in total in one hour including starting and ending time nodes, so that the subsequent calculation of the packet loss rate can be facilitated.
Optionally, each power operation data packet of the collection time node is added with time node data.
By adopting the technical scheme, the time node data can assist in time-sharing calculation in packet loss rate calculation, judge key time node data of the beginning and the ending, and can also add time data to the data in the data packet.
Optionally, the method for comparing the data integrity of the remote server is as follows:
demodulating carrier signal data packets output by the HPLC broadband carrier module in the dual-mode simultaneous communication period, namely, carr1, carr2, … … and Carrn, wherein n represents the number of the carrier signal data packets received according to time sequence, analyzing power operation data packets wirelessly transmitted by the HRF micro-power wireless module in the dual-mode simultaneous communication period, and respectively marking as W1, W2, … … and W31;
calculating the overall packet loss rate, wherein the calculation formula is as follows；
Wherein the method comprises the steps ofIs the overall packet loss rate;
calculating a time-interval packet loss rate, wherein the number of carrier signal data packets from three early morning points to three early morning points in two ten minutes is w, the time node does not comprise the three early morning points in two ten minutes, and the time-interval packet loss rate calculation formula is as follows；
The number of carrier signal data packets from twenty minutes in the early morning to forty minutes in the early morning is x, the time node comprises two ten minutes in the early morning and does not comprise four ten minutes in the early morning, and the calculation formula of the time period packet loss rate is as follows:；
the number of carrier signal data packets between forty minutes in the early morning and four minutes in the early morning is y, and the time node comprises the three points in the early morning and four points in the early morning, and the calculation formula of the time-division packet loss rate is as follows:；
setting an overall packet loss rate thresholda and a time-division packet loss rate threshold +.>b, if->＞/>a, or＞/>b, or->＞/>b, or->＞/>And b, outputting a carrier communication abnormal result.
Optionally, before calculating the packet loss rate, judging whether the time node of Carr1 is three early morning points or not, and whether the time node of Carrn is four early morning points or not at the same time, if so, calculating the overall packet loss rate and the time-division packet loss rate again;
otherwise, outputting abnormal carrier communication results.
By adopting the technical scheme, the remote server is a server computer with certain calculation power, the comparison of the data integrity is divided into three stages, whether the time node of the first received data packet Carr1 of the dual-mode simultaneous communication period through carrier communication is three early morning points needs to be judged at the beginning, and whether the time node of the last received data packet Carrn of the carrier communication is four early morning points at the same time can be judged, if so, the calculation of the packet loss rate can be continuously carried out, otherwise, the data packet of the key time node is considered to be lost, and the carrier communication can be directly considered to be abnormal;
when calculating the packet loss rate, the overall packet loss rate can be calculated first, and the overall packet loss rate threshold value is seta, if the overall packet loss rate is +.>Is greater than the threshold value of the overall packet loss rate/>a, then the carrier communication abnormality can be directly judged;
if the overall packet loss rate is within the allowable range, the time-division packet loss rate needs to be calculated, the time-division packet loss rate divides one hour into three time segments to respectively calculate the time-division packet loss rate, the time-division packet loss rate can reflect the concentration degree of packet loss, and if the time-division packet loss rate exists in a certain time segment and is larger than the time-division packet loss rate threshold valueb, the judgment result of abnormal carrier communication is required to be output.
A communication control system based on a dual-mode communication module comprises a dual-mode communication module, a power line, a power carrier signal demodulation module, a server-side HRF wireless module and a remote server, wherein the dual-mode communication module comprises an HPLC broadband carrier module, an HRF micropower wireless module and a communication control module based on a chip, the data input ends of the HPLC broadband carrier module and the HRF micropower wireless module are respectively in communication connection with a power operation data output end of power equipment, the carrier signal output end of the HPLC broadband carrier module is in communication connection with the power carrier signal demodulation module through the power line, the data output end of the power carrier signal demodulation module is in communication connection with the remote server, the HRF micropower wireless module and the server-side HRF wireless module are in wireless networking, the power operation data of the power equipment is wirelessly transmitted to the server-side HRF wireless module, the data output end of the server-side HRF wireless module is in communication connection with the remote server, the remote server is provided with a control program designed based on a communication control method of the dual-mode communication module, the remote server operates the control program, the HPLC broadband carrier module analyzes the power operation data of the power equipment through the power line to be in a carrier communication period, the power operation data of the power carrier wave wireless carrier wave signal demodulation module is in communication connection with the power line, the power line is in communication connection with the power carrier communication period, the HRF micropower wireless module is in communication with the power line, and the wireless communication control module is in communication with the wireless communication with the power carrier communication module, and the wireless communication with the HRF wireless module is in a wireless communication with the remote server side, and wireless communication module, and the communication control module is in a communication with the wireless communication mode.
Optionally, the remote server further comprises an audible and visual alarm, and the remote server controls the execution action of the audible and visual alarm.
Optionally, the system further comprises a reset button, wherein the reset button is in communication connection with the communication control module, and is used for resetting the control mode of the communication control module after the staff receives the alarm information and performs interference maintenance treatment.
Optionally, the remote server further comprises a display screen, and the remote server controls the display content of the display screen.
Through adopting above-mentioned technical scheme, during the remote server work, can show the electric power operation data of analysis through the display screen, when the unusual concrete bimodulus communication module of output carrier wave communication, control audible and visual alarm reports to the police, the staff in time watches the unusual data of carrier wave communication that the display screen shows, in time comes to the power equipment department that the unusual concrete bimodulus communication module of carrier wave communication corresponds and carries out unusual handling, after handling, makes communication control module get into normal bimodulus communication mode through operating reset button, guarantees the stability of power equipment's electric power operation data acquisition.
In summary, the present invention includes at least one of the following beneficial technical effects:
the invention can provide a communication control method and a system based on a dual-mode communication module, wherein power operation data of power equipment is realized by adopting the dual-mode communication module, a communication medium is a high-speed carrier wave and high-speed wireless of a power line, the high-speed carrier wave communication of an HPLC broadband carrier wave module is taken as a main part, and the high-speed wireless communication of an HRF micro-power wireless module is taken as an auxiliary part; setting a carrier communication period and a dual-mode simultaneous communication period, wherein the communication control module controls the HPLC broadband carrier module to perform power data acquisition work during the carrier communication period, and the HRF micropower wireless module is in a dormant standby state; in the dual-mode simultaneous communication period, the HPLC broadband carrier module and the HRF micropower wireless module work, at the moment, the remote server receives data collected by the HRF micropower wireless module as standard data, calculates the packet loss rate of the HPLC broadband carrier module, and if the packet loss rate is greater than a set packet loss rate threshold, the remote server outputs a carrier communication abnormal result of the HPLC broadband carrier module, alarms and reminds workers to overhaul in time; and the HRF micropower wireless module is adopted to temporarily replace the HPLC broadband carrier module to collect power operation data until the carrier communication abnormal result is judged and the maintenance is completed, so that the reliability of power data collection is greatly improved.
Drawings
FIG. 1 is a schematic diagram of the electrical device connection principle of a communication control system based on a dual-mode communication module according to the present invention;
fig. 2 is a schematic diagram of an electrical device connection principle of a dual-mode communication module of a communication control system based on the dual-mode communication module according to the present invention.
Reference numerals illustrate: 1. HPLC broadband carrier modules; 2. an HRF micropower wireless module; 3. a communication control module; 100. an electric power device; 101. a power line; 102. a power carrier signal demodulation module; 103. a server-side HRF wireless module; 104. a remote server; 106. an audible and visual alarm; 107.
a reset button; 108. and a display screen.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment of the invention discloses a communication control method and a communication control system based on a dual-mode communication module.
Referring to fig. 1 and 2, a communication control method based on a dual-mode communication module is provided, wherein the dual-mode communication module is used for carrying out power data communication, and comprises an HPLC broadband carrier module 1, an HRF micro-power wireless module 2 and a chip-based communication control module 3;
the method for controlling the HPLC broadband carrier module 1 and the HRF micro-power wireless module 2 by the communication control module 3 is as follows:
within 24 hours, a carrier communication period and a dual mode simultaneous communication period are set,
the communication control module 3 controls the data input end of the HPLC broadband carrier module 1 to collect the power operation data of the power equipment 100 and carry out carrier modulation, the carrier communication output end of the HPLC broadband carrier module 1 transmits a carrier signal to the power carrier signal demodulation module 102 through the power line 101, and the power carrier signal demodulation module 102 demodulates the carrier signal and then transmits a power operation data packet to the remote server 104;
the communication control module 3 controls the HPLC broadband carrier module 1 and the HRF micro-power wireless module 2 to work simultaneously in the dual-mode simultaneous communication period, and simultaneously collects power operation data of the power equipment 100, wherein the HPLC broadband carrier module 1 adopts a carrier communication mode to transmit the power operation data to the remote server 104, and the HRF micro-power wireless module 2 adopts a wireless communication mode to transmit the power operation data of the power equipment 100 to the remote server 104;
the packet loss rate threshold is set, the remote server 104 respectively analyzes the power operation data of the dual-mode communication, performs data integrity comparison, calculates the packet loss rate of the power operation data transmitted by the HPLC broadband carrier module 1 based on the power operation data transmitted by the HRF micro-power wireless module 2 as standard data, outputs a carrier communication abnormal result if the calculated packet loss rate exceeds the packet loss rate threshold, alarms and feeds back the carrier communication abnormal result to the communication control module 3, and before maintenance, the communication control module 3 controls the HRF micro-power wireless module 2 to continuously perform wireless power communication in a carrier communication period and a dual-mode simultaneous communication period.
The power equipment 100 is acquired by adopting a carrier wave and wireless dual-mode low-voltage centralized meter reading communication mode, the specific power equipment 100 can be an intelligent ammeter and the like, and the acquisition of the power data can be performed at a set time according to design requirements;
the power operation data of the power equipment 100 is realized by adopting a dual-mode communication module, the communication medium is a high-speed carrier wave and a high-speed wireless of a power line 101, the channel characteristics of the carrier wave and the wireless communication mode are completely different, the high-speed carrier wave communication of the HPLC broadband carrier wave module 1 is mainly used as an application, the high-speed wireless communication of the HRF micro-power wireless module 2 is used as an auxiliary, and in the specific operation, the carrier signal of the HPLC broadband carrier wave module 1 can pass through a transformer and can generate the distortion packet loss phenomenon under the interference of the transformer, and the high-speed wireless transmission is influenced by power supply, network architecture and the like, and is not suitable for long-term operation of power data acquisition, but is suitable for being used as an auxiliary communication mode of the high-speed carrier wave;
when the wireless communication device is specifically used, a carrier communication period and a dual-mode simultaneous communication period are set within 24 hours, and when the carrier communication period is set, the communication control module 3 controls the HPLC broadband carrier module 1 to perform power data acquisition work, and the HRF micro-power wireless module 2 is in a dormant standby state;
in the dual-mode simultaneous communication period, the HPLC broadband carrier module 1 and the HRF micro-power wireless module 2 work, at this time, the power operation data received by the remote server 104 are duplicate, the data collected by the HRF micro-power wireless module 2 is used as standard data, the packet loss rate of the HPLC broadband carrier module 1 is calculated, if the packet loss rate is greater than the set packet loss rate threshold, the remote server 104 outputs the abnormal carrier communication result of the HPLC broadband carrier module 1, alarms to remind a worker to carry out timely maintenance, at this time, the abnormal generation is considered to be an external interference source, or be power equipment temporarily added in the power line 101, including temporarily added transformers, etc. to generate interference to the current communication band of the HPLC broadband carrier module 1, the communication interference can be reduced by adopting the form of changing the communication band when the worker is overhauled, and the interference source can be treated;
and in the period from the abnormal carrier communication result judgment to the maintenance completion, for uninterrupted power operation data acquisition, the HRF micro-power wireless module 2 is adopted to temporarily replace the HPLC broadband carrier module 1 to acquire power operation data, and high-speed wireless transmission is performed until the maintenance is completed, so that the reliability of power data acquisition is greatly improved.
The carrier communication time period is from four points in the morning to three points in the morning the next day, and the dual-mode simultaneous communication time period is from three points in the morning to four points.
The main function of the HRF micro-power wireless module 2 is to collect and transmit standard data, and select a time period from three to four in the morning for transmission, and the interference degree from the external environment is the lowest.
In the carrier communication period, the communication control module 3 controls the HPLC broadband carrier module 1 to collect the power operation data of the power equipment 100 every two minutes;
in the dual-mode simultaneous communication period, the communication control module 3 respectively controls the HPLC broadband carrier module 1 and the HRF micro-power wireless module 2 to simultaneously acquire power operation data of the power equipment 100 every two minutes, the remote server 104 receives the power operation data packet of the power equipment 100 transmitted by the HPLC broadband carrier module 1, and after analysis, the power operation data packets are respectively marked as Ca1, ca2, … … and Ca31 according to a time node sequence, and the power operation data packets of the power equipment 100 wirelessly transmitted by the HRF micro-power wireless module 2 are respectively marked as W1, W2, … … and W31.
And collecting power operation data every two minutes, wherein the power operation data comprises a starting time node and an ending time node within one hour, and 31 data packets are collected in total, so that the subsequent calculation of the packet loss rate can be facilitated.
Each power operation data packet of the acquisition time node is added with time node data.
The time node data can assist in time-division calculation in packet loss rate calculation, judge key time node data of start and end, and can also add time data to data in a data packet.
The method for comparing the integrity of the data by the remote server 104 is as follows:
demodulating carrier signal data packets output by the HPLC broadband carrier module 1 in the dual-mode simultaneous communication period, namely, carr1, carr2, … … and Carrn, wherein n represents the number of the carrier signal data packets received according to time sequence, and analyzing power operation data packets transmitted by the HRF micro-power wireless module 2 in the dual-mode simultaneous communication period, namely, W1, W2, … … and W31;
calculating the overall packet loss rate, wherein the calculation formula is as follows；
Wherein the method comprises the steps ofIs the overall packet loss rate;
calculating the packet loss rate of the time intervals, and counting and analyzing time nodes to be carriers from three points in the early morning to two ten points in the early morningThe number of the signal data packets is w, the time node does not comprise three points and two tenths in the early morning, and the calculation formula of the time-period packet loss rate is as follows；
The number of carrier signal data packets from twenty minutes in the early morning to forty minutes in the early morning is x, the time node comprises two ten minutes in the early morning and does not comprise four ten minutes in the early morning, and the calculation formula of the time period packet loss rate is as follows:；
the number of carrier signal data packets between forty minutes in the early morning and four minutes in the early morning is y, and the time node comprises the three points in the early morning and four points in the early morning, and the calculation formula of the time-division packet loss rate is as follows:；
setting an overall packet loss rate thresholda and a time-division packet loss rate threshold +.>b, if->＞/>a, or＞/>b, or->＞/>b, or->＞/>And b, outputting a carrier communication abnormal result.
Judging whether the time node of Carr1 is three early morning points or not before the calculation of the packet loss rate, and judging whether the time node of Carrn is four early morning points or not at the same time, if so, calculating the overall packet loss rate and the time-division packet loss rate;
otherwise, outputting abnormal carrier communication results.
The remote server 104 is a server computer with a certain calculation power, the comparison of the data integrity is divided into three stages, whether the time node of the first received data packet Carr1 of the dual-mode simultaneous communication period through carrier communication is three early morning points needs to be judged at the beginning, and whether the time node of the last received data packet Carr of the dual-mode simultaneous communication period through carrier communication is four early morning points or not is judged at the same time, if yes, the calculation of the packet loss rate can be continuously carried out, otherwise, the data packet of the key time node is considered to be lost, and the carrier communication is directly considered to be abnormal;
when calculating the packet loss rate, the overall packet loss rate can be calculated first, and the overall packet loss rate threshold value is seta, if the overall packet loss rate is +.>Is greater than the threshold value of the overall packet loss rate>a, then the carrier communication abnormality can be directly judged;
if the overall packet loss rate is within the allowable range, the time-division packet loss rate needs to be calculated, the time-division packet loss rate divides one hour into three time segments to respectively calculate the time-division packet loss rate, the time-division packet loss rate can reflect the concentration degree of packet loss, and if the time-division packet loss rate exists in a certain time segment and is larger than the time-division packet loss rate threshold valueb, the judgment result of abnormal carrier communication is required to be output.
A communication control system based on a dual-mode communication module comprises a dual-mode communication module, a power line 101, a power carrier signal demodulation module 102, a server-side HRF wireless module 103 and a remote server 104, wherein the dual-mode communication module comprises an HPLC broadband carrier module 1, an HRF micro-power wireless module 2 and a chip-based communication control module 3, the data input ends of the HPLC broadband carrier module 1 and the HRF micro-power wireless module 2 are respectively in communication connection with the power operation data output end of a power device 100, the carrier signal output end of the HPLC broadband carrier module 1 is in communication connection with the power carrier signal demodulation module 102 through the power line 101, the data output end of the power carrier signal demodulation module 102 is in communication connection with the remote server 104, the HRF micro-power wireless module 2 is in wireless networking with the server-side HRF wireless module 103, the power operation data of the power equipment 100 are wirelessly transmitted to the server-side HRF wireless module 103, the data output end of the server-side HRF wireless module 103 is in communication connection with the remote server 104, the remote server 104 is provided with a control program designed by adopting a communication control method based on the dual-mode communication module, the remote server 104 operates the control program, the power operation data of the power equipment 100 transmitted by the HPLC broadband carrier module 1 through the power line 101 are analyzed in a carrier communication period to store and record, when the carrier communication strong interference is judged, the server-side HRF wireless module 103 is communicated with the HRF micro-power wireless module 2 to realize the interaction judgment result data with the communication control module 3, and the communication control module 3 controls the HRF micro-power wireless module 2 to continuously conduct wireless power communication in the carrier communication period and the dual-mode simultaneous communication period.
Also included is an audible and visual alarm 106, and the remote server 104 controls the execution of the audible and visual alarm 106.
The control system further comprises a reset button 107, wherein the reset button 107 is in communication connection with the communication control module 3, and is used for resetting the control mode of the communication control module 3 after the staff receives the alarm information and performs interference maintenance treatment.
Also included is a display screen 108, and the remote server 104 controls the display content of the display screen 108.
When the remote server 104 works, the analyzed power operation data can be displayed through the display screen 108, when a specific dual-mode communication module with abnormal carrier communication is output, the audible and visual alarm 106 is controlled to alarm, workers timely watch the carrier communication abnormal data displayed by the display screen 108 and timely come to the power equipment 100 corresponding to the specific dual-mode communication module with abnormal carrier communication to conduct abnormal treatment, after the treatment is completed, the communication control module 3 is enabled to enter a normal dual-mode communication mode through operating the reset button 107, and the power operation data acquisition stability of the power equipment 100 is ensured.
The following describes a communication control method and system implementation principle based on a dual-mode communication module through specific implementation cases:
in a specific electric energy meter operation data acquisition application, setting a carrier communication time period and a dual-mode simultaneous communication time period within 24 hours, wherein the carrier communication time period is from four early morning points to three early morning points on the next day, and the dual-mode simultaneous communication time period is from three early morning points to four early morning points.
The communication control module 3 controls the data input end of the HPLC broadband carrier module 1 to collect the power operation data of the power equipment 100 and carry out carrier modulation, the carrier communication output end of the HPLC broadband carrier module 1 transmits a carrier signal to the power carrier signal demodulation module 102 through the power line 101, and the power carrier signal demodulation module 102 demodulates the carrier signal and then transmits a power operation data packet to the remote server 104;
the communication control module 3 controls the HPLC broadband carrier module 1 and the HRF micro-power wireless module 2 to work simultaneously in the dual-mode simultaneous communication period, and simultaneously collects power operation data of the power equipment 100, wherein the HPLC broadband carrier module 1 adopts a carrier communication mode to transmit the power operation data to the remote server 104, and the HRF micro-power wireless module 2 adopts a wireless communication mode to transmit the power operation data of the power equipment 100 to the remote server 104;
on a certain working day, demodulating carrier signal data packets output by the HPLC broadband carrier module 1 in the dual-mode simultaneous communication period, namely, carr1, carr2, … … and Carr28, and analyzing power operation data packets transmitted by the HRF micro-power wireless module 2 in the dual-mode simultaneous communication period, namely, W1, W2, … … and W31;
before the packet loss rate is calculated, judging that the time node data of the Carr1 is three early morning points, and the time node of the Carr28 is four early morning points;
continuously calculating the integral packet loss rate, wherein the calculation formula is as follows= 0.0968; overall packet loss rate thresholda is 0.1%>Less than->a；
Continuously calculating the packet loss rate of the time-division, wherein the number of carrier signal data packets from the three early morning points to the three early morning points is 9, and the calculation formula of the packet loss rate of the time-division is as follows=0.1；
The number of carrier signal data packets from twenty minutes in the early morning to forty minutes in the early morning is 10, the time node comprises two ten minutes in the early morning and does not comprise four ten minutes in the early morning, and the calculation formula of the time period packet loss rate is as follows:=0；
the number of carrier signal data packets between forty minutes in the early morning and four minutes in the early morning is 9, and the time node comprises the three points in the early morning and four points in the early morning, and the calculation formula of the time-division packet loss rate is as follows:=0.1818；
setting a packet loss rate threshold value in time intervalsb=0.1, at this time, between forty minutes at three early morning points and four early morning points, the packet loss rate at time intervals +.>＞/>And b, outputting a carrier communication abnormal result.
The remote server 104 displays the electric energy meter position and abnormal data corresponding to the abnormal carrier communication result through the display screen 108, controls the audible and visual alarm 106 to alarm, and the staff can timely watch the abnormal carrier communication data displayed by the display screen 108 and timely arrive at the electric energy meter with abnormal carrier communication to conduct abnormal treatment, and after the treatment is completed, the communication control module 3 enters a normal dual-mode communication mode through operating the reset button 107, so that the stability of electric power operation data acquisition of the electric energy meter is ensured.
The above embodiments are not intended to limit the scope of the present invention, and therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (10)
1. A communication control method based on a dual-mode communication module is characterized in that: adopting a dual-mode communication module to perform power data communication, wherein the dual-mode communication module comprises an HPLC broadband carrier module (1), an HRF micro-power wireless module (2) and a chip-based communication control module (3);
the method for controlling the HPLC broadband carrier module (1) and the HRF micropower wireless module (2) by the communication control module (3) is as follows:
setting a carrier communication period and a dual-mode simultaneous communication period within 24 hours, controlling a data input end of an HPLC broadband carrier module (1) to collect power operation data of power equipment (100) at a carrier communication period communication control module (3) and perform carrier modulation, transmitting a carrier signal to a power carrier signal demodulation module (102) through a power line (101) by a carrier communication output end of the HPLC broadband carrier module (1), and transmitting a power operation data packet to a remote server (104) after the power carrier signal demodulation module (102) demodulates the carrier signal;
the communication control module (3) controls the HPLC broadband carrier module (1) and the HRF micro-power wireless module (2) to work simultaneously in a dual-mode simultaneous communication period, and simultaneously collects power operation data of the power equipment (100), the HPLC broadband carrier module (1) transmits the power operation data to the remote server (104) in a carrier communication mode, and the HRF micro-power wireless module (2) transmits the power operation data of the power equipment (100) to the remote server (104) in a wireless communication mode;
setting a packet loss rate threshold, respectively analyzing power operation data of dual-mode communication by a remote server (104), comparing data integrity, calculating the packet loss rate of the power operation data transmitted by an HPLC broadband carrier module (1) based on the power operation data transmitted by an HRF micro-power wireless module (2) as standard data, outputting a carrier communication abnormal result if the calculated packet loss rate exceeds the packet loss rate threshold, alarming by the remote server (104) and feeding back to a communication control module (3), and controlling the HRF micro-power wireless module (2) to continuously perform wireless power communication in a carrier communication period and a dual-mode simultaneous communication period before overhaul.
2. The communication control method based on the dual-mode communication module according to claim 1, wherein: the carrier communication time period is from four points in the morning to three points in the morning the next day, and the dual-mode simultaneous communication time period is from three points in the morning to four points.
3. The communication control method based on the dual-mode communication module according to claim 2, wherein: in a carrier communication period, the communication control module (3) controls the HPLC broadband carrier module (1) to collect power operation data of the power equipment (100) every two minutes;
in the dual-mode simultaneous communication period, the communication control module (3) respectively controls the HPLC broadband carrier module (1) and the HRF micro-power wireless module (2) to simultaneously acquire power operation data of the power equipment (100) every two minutes, the remote server (104) receives the power operation data packet of the power equipment (100) transmitted by the HPLC broadband carrier module (1), the power operation data packet is respectively marked as Ca1, ca2, … … and Ca31 according to the time node sequence after analysis, and the power operation data packet of the power equipment (100) wirelessly transmitted by the HRF micro-power wireless module (2) is respectively marked as W1, W2, … … and W31.
4. A communication control method based on a dual-mode communication module according to claim 3, characterized in that: each power operation data packet of the acquisition time node is added with time node data.
5. The communication control method based on the dual-mode communication module as claimed in claim 4, wherein: the method for comparing the data integrity of the remote server (104) is as follows:
demodulating carrier signal data packets output by the HPLC broadband carrier module (1) in the dual-mode simultaneous communication period, namely, carr1, carr2, … … and Carrn, wherein n represents the number of the carrier signal data packets received according to time sequence, and analyzing power operation data packets transmitted by the HRF micro-power wireless module (2) in the dual-mode simultaneous communication period in a wireless mode, namely, W1, W2, … … and W31;
calculating the overall packet loss rate, wherein the calculation formula is as follows；
Wherein the method comprises the steps ofIs the overall packet loss rate;
calculating a time-interval packet loss rate, wherein the number of carrier signal data packets from three early morning points to three early morning points in two ten minutes is w, the time node does not comprise the three early morning points in two ten minutes, and the time-interval packet loss rate calculation formula is as follows；
The number of carrier signal data packets from twenty minutes in the early morning to forty minutes in the early morning is x, the time node comprises two ten minutes in the early morning and does not comprise four ten minutes in the early morning, and the calculation formula of the time period packet loss rate is as follows:；
the number of carrier signal data packets between forty minutes in the early morning and four minutes in the early morning is y, and the time node comprises the three points in the early morning and four points in the early morning, and the calculation formula of the time-division packet loss rate is as follows:；
setting an overall packet loss rate thresholda and a time-division packet loss rate threshold +.>b, if->＞/>a, or->＞/>b, or->＞/>b, or->＞/>And b, outputting a carrier communication abnormal result.
6. The communication control method based on the dual-mode communication module as claimed in claim 5, wherein: judging whether the time node of Carr1 is three early morning points or not before the calculation of the packet loss rate, and judging whether the time node of Carrn is four early morning points or not at the same time, if so, calculating the overall packet loss rate and the time-division packet loss rate;
otherwise, outputting abnormal carrier communication results.
7. A communication control system based on a dual-mode communication module, characterized in that: the system comprises a dual-mode communication module, a power line (101), a power carrier signal demodulation module (102), a server-side HRF wireless module (103) and a remote server (104), wherein the dual-mode communication module comprises an HPLC broadband carrier module (1), an HRF micro-power wireless module (2) and a chip-based communication control module (3), the data input ends of the HPLC broadband carrier module (1) and the HRF micro-power wireless module (2) are respectively in communication connection with the power operation data output end of the power equipment (100), the carrier signal output end of the HPLC broadband carrier module (1) is in communication connection with the power carrier signal demodulation module (102) through the power line (101), the data output end of the power carrier signal demodulation module (102) is in communication connection with the remote server (104), the HRF micro-power wireless module (2) is in wireless networking with the server-side HRF wireless module (103), the power operation data of the power equipment (100) is wirelessly transmitted to the server-side HRF wireless module (103), the data output end of the server-side HRF wireless module (103) is in communication connection with the remote server (104), the remote server-side wireless module (104) is arranged to record the power carrier signal demodulation data by adopting a power carrier signal demodulation method (101) for the power carrier signal demodulation module (100) to perform the communication, the remote server-side (100) is arranged to record the power carrier signal operation data by adopting a method of the power carrier control program (101), when the strong interference of carrier communication is judged, the HRF wireless module (103) communicates with the HRF micropower wireless module (2) through the server side, so that the data of the judgment result is interacted with the communication control module (3), and the communication control module (3) controls the HRF micropower wireless module (2) to continuously perform wireless power communication in the carrier communication period and the dual-mode simultaneous communication period.
8. The communication control system based on a dual-mode communication module as claimed in claim 7, wherein: the remote server (104) is used for controlling the execution action of the audible and visual alarm (106).
9. The communication control system based on a dual-mode communication module according to claim 8, wherein: the system further comprises a reset button (107), wherein the reset button (107) is in communication connection with the communication control module (3), and is used for resetting the control mode of the communication control module (3) after the staff receives the alarm information and performs interference maintenance treatment.
10. The communication control system based on a dual-mode communication module according to claim 9, wherein: also comprises a display screen (108), and the remote server (104) controls the display content of the display screen (108).
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