CN112511195B - Low-voltage power line data coding transmission control method and system - Google Patents
Low-voltage power line data coding transmission control method and system Download PDFInfo
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- H04B3/00—Line transmission systems
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- H04B3/542—Systems for transmission via power distribution lines the information being in digital form
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- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
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Abstract
The invention relates to the technical field of data transmission, in particular to a low-voltage power line data coding transmission control method and system. The method comprises the steps of encoding and sending data, zero-crossing control, dual encoding, error code adjustment, decoding output and the like. The invention designs and utilizes the zero-crossing detection technology to strongly resist various fading forces for data transmission, can reduce electromagnetic interference, enhances the self anti-interference capability, forms a low-voltage electrical control method with ultra-low power consumption control and strong anti-interference capability, provides a reliable data transmission mode, can effectively reduce the complexity of a control system, reduces the cost and improves the reliability of the system.
Description
Technical Field
The invention relates to the technical field of data transmission, in particular to a low-voltage power line data coding transmission control method and system.
Background
In the existing power line data transmission technology, there are still many limitations, such as unstable transmission rate under the influence of a large distance, and high information loss rate and weakened transmission capability under the condition of relevant interference, so that the traditional communication can only be transmitted in a short area under strong electromagnetic interference in a transformer substation. Meanwhile, the communication loss of data is different according to different signal coupling modes, so that the data transmission quality is unstable. In addition, in the 50HZ alternating current, there are two peaks per 20ms, which also causes strong electromagnetic interference and affects the data transmission quality.
Disclosure of Invention
The present invention is directed to a method and a system for controlling encoded transmission of low voltage power line data to solve the above problems.
In order to solve the above technical problem, an object of the present invention is to provide a low voltage power line data encoding and transmitting control method, including the following steps:
s1, encoding and sending the data;
s2, zero crossing control and dual coding;
s3, error code adjustment;
and S4, decoding and outputting.
As a further improvement of the present technical solution, in S1, the method for encoding and transmitting data includes the following steps:
s1.1, a power line is connected, and a zero-crossing detection device is synchronously set to be zero;
s1.2, the input isolation device separates the transmission data from the electric signals;
s1.3, controlling a zero crossing point to send data under power frequency 50HZ alternating current;
and S1.4, establishing multi-channel transmission data at the same time.
As a further improvement of the present technical solution, in S2, the method for zero-crossing control and dual encoding includes the following steps:
s2.1, the MCU controls the zero-crossing detection device to control the zero-crossing point to perform data transmission once every 10 ms;
s2.2, the MCU controls the PLC pulse transmitting device to dually encode transmitted data, and the pulse polarity is changed alternately in positive and negative every 10 ms;
s2.3, transmitting the codes to a decoding MCU of the controlled equipment by adopting positive and negative pulses alternately;
and S2.4, after the information coding unit completes the coding of the information, the corresponding channel is opened to transmit the information to the information decoding unit.
As a further improvement of the present technical solution, in S3, the method for adjusting the error code includes the following steps:
s3.1, dynamically monitoring the quality of the received signal by a load end, and automatically judging the error rate;
s3.2, if the error rate is higher than the threshold value, sending a positive adjustment instruction, and increasing the pulse sending level by the control end until the error rate meets the requirement;
and S3.3, otherwise, if the error rate is lower than the threshold value, sending a negative adjustment instruction, and reducing the pulse sending level by the control end until the error rate meets the requirement.
As a further improvement of the present technical solution, in S4, the method for decoding the output includes the following steps:
s4.1, the synchronous zero-crossing detection device controls whether the zero-crossing point is detected accurately again;
s4.2, if the zero point is accurate, starting a decoding MCU;
s4.3, receiving the related data in the power line by the MCU, and then decoding the data;
and S4.4, the MCU transmits the data decoding to the load device, and the power control is realized by controlling the voltage and the current output by the load.
The invention also provides a low-voltage power line data coding and transmitting control system, which comprises
The device comprises a zero-crossing control unit, a data transmission unit, a decoding control unit and an extended application unit; the signal output end of the zero-crossing control unit is connected with the signal input end of the data transmission unit, the signal output end of the data transmission unit is connected with the signal input end of the decoding control unit, and the extended application unit operates independently; the zero-crossing control unit is used for carrying out zero-crossing detection on transmission data; the data transmission unit is used for transmitting data after dual coding; the decoding control unit is used for decoding the data codes and applying the data codes to a load end; the expansion application unit is used for expanding the functions between the control end and the load end and realizing the internet of things connection;
the zero-crossing control unit comprises a synchronous zero setting module, a de-electrifying isolation module, a timing transmission module and a multi-channel transmission module;
the data transmission unit comprises a dual coding module, an alternate transmission module, an error code detection module and an error code adjustment module;
the decoding control unit comprises a zero calibration module, a data decoding module, a decoding transmission module and a power control module;
the extended application unit comprises an identity coding module, an automatic addressing module, a wireless communication module and an internet of things connection module.
As a further improvement of the technical solution, a signal output end of the synchronous zero setting module is connected with a signal input end of the de-electrifying isolation module, and a signal output end of the de-electrifying isolation module is simultaneously connected with signal input ends of the timing transmission module and the multi-channel transmission module; the synchronous zero setting module is used for controlling the zero crossing detection device to automatically set zero when the power line is accessed so as to meet the requirement of each use; the de-electrifying isolation module is used for separating the transmission data from the electric signals by the input isolation device so as to reduce the interference of the electric signals on the data transmission; the timing transmission module is used for controlling a data transmission signal to carry out sending operation once at regular time intervals so as to keep the transmission rate stable; the multi-channel transmission module is used for establishing multiple channels and simultaneously transmitting data so as to ensure the reliability of data transmission.
As a further improvement of the technical solution, a signal output end of the dual encoding module is connected to a signal input end of the alternate transmitting module, a signal output end of the alternate transmitting module is connected to a signal input end of the error code detecting module, and a signal output end of the error code detecting module is connected to a signal input end of the error code adjusting module; the dual coding module is used for alternately changing the polarity of positive and negative pulses according to the power frequency characteristic of alternating current and time intervals sent at regular time to realize dual coding; the alternating transmitting module is used for alternately transmitting the data codes to the decoding unit according to the corresponding polarities; the error code detection module is used for detecting the error code rate of the code and comparing the real-time error code rate with a set threshold value; the error code adjusting module is used for adjusting the pulse level according to the error code deviation direction to realize error code adjustment.
As a further improvement of the technical solution, a signal output end of the zero calibration module is connected to a signal input end of the data decoding module, a signal output end of the data decoding module is connected to a signal input end of the decoding transmission module, and a signal output end of the decoding transmission module is connected to a signal input end of the power control module; the zero point calibration module is used for synchronizing the zero-crossing detection device to detect whether the zero-crossing point is accurate or not; the data decoding module is used for decoding the coded data in the power line; the decoding transmission module is used for transmitting decoded data to a load device; the power control module is used for controlling the voltage and the current according to the data so as to achieve the purpose of controlling the power.
As a further improvement of the technical scheme, the identity coding module, the automatic addressing module and the wireless communication module run in parallel, and a signal output end of the wireless communication module is connected with a signal input end of the internet of things connection module; the identity coding module is used for respectively providing digital identity coding functions for the control end and the load end; the automatic addressing module is used for establishing an automatic addressing matching channel between the control end and the load end; the wireless communication module is used for providing an open interface for connecting wireless network communication for the control end; the Internet of things connection module is used for realizing Internet of things connection among a plurality of independently operated control ends through wireless network communication.
The present invention also provides a low voltage power line data encoding and transmitting control device, which includes a processor, a memory, and a computer program stored in the memory and running on the processor, wherein the processor is configured to implement any one of the above-mentioned low voltage power line data encoding and transmitting control methods and systems when executing the computer program.
A fourth object of the present invention is to provide a computer-readable storage medium storing a computer program, characterized in that: when being executed by a processor, the computer program realizes any one of the low-voltage power line data coding and transmitting control method and system.
Compared with the prior art, the invention has the beneficial effects that: in the low-voltage power line data coding transmission control method and system, a distributed control method with independent control ends is arranged, a local PLC baseband is combined, the zero-cross detection technology is utilized to strongly resist various fading forces for data transmission, the dual coding technology is utilized, data are alternately output by positive pulses and negative pulses, electromagnetic interference can be reduced, the self anti-interference capability is enhanced, the high-frequency interference and harmonic interference resistance effect is good, in addition, the data pulse transmission level value self-adaptive adjustment technology is adopted, the signal interference resistance capability is further improved, a low-voltage electric control method with ultra-low power consumption control and strong anti-interference capability is formed, a reliable data transmission mode is provided, the complexity of the control system can be effectively reduced, the cost is reduced, and the system reliability is improved.
Drawings
FIG. 1 is a schematic diagram of an exemplary device configuration of the present invention;
FIG. 2 is a flowchart illustrating exemplary operation of the present invention;
FIG. 3 is a flowchart of the overall method of the present invention;
FIG. 4 is a flow chart of a partial method of the present invention;
FIG. 5 is a second flowchart of a partial method according to the present invention;
FIG. 6 is a third flowchart of a partial method of the present invention;
FIG. 7 is a fourth flowchart of a partial method of the present invention;
FIG. 8 is a view showing the construction of the apparatus of the present invention;
FIG. 9 is one of the partial device structures of the present invention;
FIG. 10 is a second diagram of the structure of a partial apparatus according to the present invention;
FIG. 11 is a third diagram of a structure of a partial apparatus according to the present invention;
FIG. 12 is a fourth view of the structure of a partial apparatus according to the present invention;
FIG. 13 is a fifth view of a partial structure of the present invention.
Wherein:
100. a zero-crossing control unit; 101. a synchronous zero setting module; 102. a de-electrifying isolation module; 103. a timing transmission module; 104. a multi-channel transmission module;
200. a data transmission unit; 201. a dual encoding module; 202. an alternate emission module; 203. an error code detection module; 204. an error code adjusting module;
300. a decoding control unit; 301. a zero calibration module; 302. a data decoding module; 303. a decoding transmission module; 304. a power control module;
400. an extended application unit; 401. an identity encoding module; 402. an auto addressing module; 403. a wireless communication module; 404. and the Internet of things connection module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Method embodiment
As shown in fig. 1 to fig. 7, the present embodiment aims to provide a low voltage power line data encoding transmission control method, which includes the following steps:
s1, encoding and sending the data;
s2, zero crossing control and dual coding;
s3, error code adjustment;
and S4, decoding and outputting.
In this embodiment, in S1, the method for encoding and transmitting data includes the following steps:
s1.1, a power line is connected, and a zero-crossing detection device is synchronously set to be zero;
s1.2, the input isolation device separates the transmission data from the electric signals;
s1.3, controlling a zero crossing point to send data under power frequency 50HZ alternating current;
and S1.4, establishing multi-channel transmission data at the same time.
Meanwhile, multiple channels are established for data transmission, so that the reliability of data transmission can be ensured, and the data communication effect is improved.
In this embodiment, in S2, the method for zero-crossing control and dual encoding includes the following steps:
s2.1, the MCU controls the zero-crossing detection device to control the zero-crossing point to perform data transmission once every 10 ms;
s2.2, the MCU controls the PLC pulse transmitting device to dually encode transmitted data, and the pulse polarity is changed alternately in positive and negative every 10 ms;
s2.3, transmitting the codes to a decoding MCU of the controlled equipment by adopting positive and negative pulses alternately;
and S2.4, after the information coding unit completes the coding of the information, the corresponding channel is opened to transmit the information to the information decoding unit.
In this embodiment, in S3, the error code adjustment method includes the following steps:
s3.1, dynamically monitoring the quality of the received signal by a load end, and automatically judging the error rate;
s3.2, if the error rate is higher than the threshold value, sending a positive adjustment instruction, and increasing the pulse sending level by the control end until the error rate meets the requirement;
and S3.3, otherwise, if the error rate is lower than the threshold value, sending a negative adjustment instruction, and reducing the pulse sending level by the control end until the error rate meets the requirement.
Wherein, the threshold value of the error rate can be preferably 10 e-6.
In this embodiment, in S4, the method for decoding the output includes the following steps:
s4.1, the synchronous zero-crossing detection device controls whether the zero-crossing point is detected accurately again;
s4.2, if the zero point is accurate, starting a decoding MCU;
s4.3, receiving the related data in the power line by the MCU, and then decoding the data;
and S4.4, the MCU transmits the data decoding to the load device, and the power control is realized by controlling the voltage and the current output by the load.
System embodiment
As shown in fig. 8-13, the present embodiment aims to provide a low voltage power line data coding transmission control system, which comprises
A zero-crossing control unit 100, a data transmission unit 200, a decoding control unit 300 and an extended application unit 400; the signal output end of the zero-crossing control unit 100 is connected with the signal input end of the data transmission unit 200, the signal output end of the data transmission unit 200 is connected with the signal input end of the decoding control unit 300, and the extended application unit 400 operates independently; the zero-crossing control unit 100 is configured to perform zero-crossing detection on transmission data; the data transmission unit 200 is configured to transmit data after dually encoding; the decoding control unit 300 is used for decoding the data codes and applying the data codes to a load end; the expansion application unit 400 is used for expanding the functions between the control end and the load end and realizing the internet of things connection;
the zero-crossing control unit 100 comprises a synchronous zero setting module 101, a de-electrifying isolation module 102, a timing transmission module 103 and a multi-channel transmission module 104;
the data transmission unit 200 comprises a dual coding module 201, an alternate transmission module 202, an error code detection module 203 and an error code adjustment module 204;
the decoding control unit 300 comprises a zero calibration module 301, a data decoding module 302, a decoding transmission module 303 and a power control module 304;
the extended application unit 400 includes an identity code module 401, an automatic addressing module 402, a wireless communication module 403, and an internet of things connection module 404.
In this embodiment, the signal output end of the synchronous zero setting module 101 is connected to the signal input end of the de-electrifying isolation module 102, and the signal output end of the de-electrifying isolation module 102 is connected to the signal input ends of the timing transmission module 103 and the multi-channel transmission module 104 at the same time; the synchronous zero setting module 101 is used for controlling the zero crossing detection device to automatically set zero when the power line is accessed so as to meet the requirement of each use; the de-electrifying isolation module 102 is used for the input isolation device to separate the transmission data from the electric signal so as to reduce the interference of the electric signal to the data transmission; the timing transmission module 103 is configured to control a data transmission signal to perform a sending operation at regular intervals to keep a transmission rate stable; the multi-channel transmission module 104 is used for establishing multiple channels for data transmission at the same time so as to ensure the reliability of the data transmission.
In this embodiment, the signal output end of the dual encoding module 201 is connected to the signal input end of the alternate transmitting module 202, the signal output end of the alternate transmitting module 202 is connected to the signal input end of the error code detecting module 203, and the signal output end of the error code detecting module 203 is connected to the signal input end of the error code adjusting module 204; the dual coding module 201 is used for alternating polarity change of positive and negative pulses according to power frequency characteristics of alternating current and time intervals sent at regular time to realize dual coding; the alternate transmitting module 202 is used for alternately transmitting the data codes to the decoding unit according to the corresponding polarities; the error code detection module 203 is used for detecting the error code rate of the code and comparing the real-time error code rate with a set threshold value; the error adjustment module 204 is used to adjust the pulse level according to the error deviation direction to implement error adjustment.
In this embodiment, the signal output end of the zero calibration module 301 is connected to the signal input end of the data decoding module 302, the signal output end of the data decoding module 302 is connected to the signal input end of the decoding transmission module 303, and the signal output end of the decoding transmission module 303 is connected to the signal input end of the power control module 304; the zero calibration module 301 is used for synchronizing the zero-crossing detection device to detect whether the zero-crossing point is accurate; the data decoding module 302 is used for decoding the encoded data in the power line; the decoding transmission module 303 is configured to transmit the decoded data to a load device; the power control module 304 is used for controlling the voltage and the current according to the data to achieve the purpose of controlling the power.
In this embodiment, the identity encoding module 401 and the automatic addressing module 402 operate in parallel with the wireless communication module 403, and the signal output end of the wireless communication module 403 is connected with the signal input end of the internet of things connection module 404; the identity coding module 401 is configured to provide a digital identity coding function for the control end and the load end respectively; the automatic addressing module 402 is configured to establish an automatic addressing matching channel between the control end and the load end; the wireless communication module 403 is configured to provide an open interface for connecting a wireless network to communicate with a control end; the internet of things connection module 404 is configured to implement internet of things connection between a plurality of independently operating control terminals through wireless network communication.
The wireless communication types that the open interface can connect to include, but are not limited to, bluetooth, WIFI, zigbee, etc.
Electronic device and apparatus embodiments
Referring to fig. 13, a schematic diagram of a low-voltage power line data encoding and transmitting control device is shown, which includes a processor, a memory, and a computer program stored in the memory and running on the processor.
The processor comprises one or more than one processing core, the processor is connected with the processor through a bus, the memory is used for storing program instructions, and the low-voltage power line data coding and sending control method and system are realized when the processor executes the program instructions in the memory.
It should be noted that the functions of the graph coding module, the cloud model building module, and the perception detection module are described in detail with reference to the description of the method portion corresponding to each module, and are not described herein again.
Alternatively, the memory may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
In addition, the invention also provides a computer readable storage medium, which stores a computer program, and the computer program is executed by a processor to realize the low voltage power line data coding transmission control method and system.
Optionally, the present invention further provides a computer program product containing instructions, which when run on a computer, causes the computer to execute the above aspects of the low voltage power line data coding transmission control method and system.
It will be understood by those skilled in the art that all or part of the steps of implementing the above embodiments may be implemented by hardware, or may be implemented by hardware related to instructions of a program, and the program may be stored in a computer readable storage medium, where the above mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A low-voltage power line data coding transmission control method is characterized in that: the method comprises the following steps: s1, encoding and sending the data; s2, zero crossing control and dual coding; s3, error code adjustment; s4, decoding and outputting;
in S1, the method for encoding and transmitting data includes the following steps: s1.1, a power line is connected, and a zero-crossing detection device is synchronously set to be zero; s1.2, the input isolation device separates the transmission data from the electric signals; s1.3, controlling a zero crossing point to send data under power frequency 50HZ alternating current; s1.4, establishing multi-channel transmission data at the same time;
in S2, the method for zero-crossing control and dual encoding includes the following steps: s2.1, the MCU controls the zero-crossing detection device to control the zero-crossing point to perform data transmission once every 10 ms; s2.2, the MCU controls the PLC pulse transmitting device to dually encode transmitted data, and the pulse polarity is changed alternately in positive and negative every 10 ms; s2.3, transmitting the codes to a decoding MCU of the controlled equipment by adopting positive and negative pulses alternately; s2.4, after the information coding unit completes the coding of the information, the corresponding channel is opened to transmit the information to the information decoding unit;
in S3, the method for adjusting the error code includes the following steps: s3.1, dynamically monitoring the quality of the received signal by a load end, and automatically judging the error rate; s3.2, if the error rate is higher than the threshold value, sending a positive adjustment instruction, and increasing the pulse sending level by the control end until the error rate meets the requirement; s3.3, otherwise, if the error rate is lower than the threshold value, a negative adjustment instruction is sent, and the control end reduces the pulse sending level until the error rate meets the requirement;
in S4, the method for decoding the output includes the following steps: s4.1, the synchronous zero-crossing detection device controls whether the zero-crossing point is detected accurately again; s4.2, if the zero point is accurate, starting a decoding MCU; s4.3, receiving the related data in the power line by the MCU, and then decoding the data; and S4.4, the MCU transmits the data decoding to the load device, and the power control is realized by controlling the voltage and the current output by the load.
2. A low voltage power line data coding transmission control system is characterized in that: comprises that
A zero-crossing control unit (100), a data transmission unit (200), a decoding control unit (300) and an extended application unit (400); the signal output end of the zero-crossing control unit (100) is connected with the signal input end of the data transmission unit (200), the signal output end of the data transmission unit (200) is connected with the signal input end of the decoding control unit (300), and the extended application unit (400) operates independently; the zero-crossing control unit (100) is used for carrying out zero-crossing detection on transmission data; the data transmission unit (200) is used for transmitting data after dual coding; the decoding control unit (300) is used for decoding data codes and applying the data codes to a load end; the expansion application unit (400) is used for expanding functions between the control end and the load end and realizing internet of things connection;
the zero-crossing control unit (100) comprises a synchronous zero setting module (101), a de-electrifying isolation module (102), a timing transmission module (103) and a multi-channel transmission module (104);
the data transmission unit (200) comprises a dual coding module (201), an alternate transmission module (202), an error code detection module (203) and an error code adjustment module (204);
the decoding control unit (300) comprises a zero calibration module (301), a data decoding module (302), a decoding transmission module (303) and a power control module (304);
the extended application unit (400) comprises an identity coding module (401), an automatic addressing module (402), a wireless communication module (403) and an internet of things connection module (404).
3. The low voltage power line data encoding transmission control system of claim 2, wherein: the signal output end of the synchronous zero setting module (101) is connected with the signal input end of the de-electrifying isolation module (102), and the signal output end of the de-electrifying isolation module (102) is simultaneously connected with the signal input ends of the timing transmission module (103) and the multi-channel transmission module (104); the synchronous zero setting module (101) is used for controlling the zero-crossing detection device to automatically set zero when a power line is accessed so as to meet the requirement of each use; the de-electrifying isolation module (102) is used for separating the transmission data from the electric signal by an input isolation device so as to reduce the interference of the electric signal to the data transmission; the timing transmission module (103) is used for controlling a data transmission signal to perform a sending operation at regular intervals so as to keep the transmission rate stable; the multi-channel transmission module (104) is used for establishing multiple channels for data transmission at the same time so as to ensure the reliability of the data transmission.
4. The low voltage power line data encoding transmission control system of claim 2, wherein: the signal output end of the dual coding module (201) is connected with the signal input end of the alternate transmission module (202), the signal output end of the alternate transmission module (202) is connected with the signal input end of the error code detection module (203), and the signal output end of the error code detection module (203) is connected with the signal input end of the error code adjustment module (204); the dual coding module (201) is used for alternately changing the polarity of positive and negative pulses according to the power frequency characteristic of alternating current and the time interval of timing transmission to realize dual coding; the alternating transmission module (202) is used for transmitting the data codes to the decoding unit according to the corresponding polarities alternately; the error code detection module (203) is used for detecting the error code rate of the code and comparing the real-time error code rate with a set threshold value; the error code adjustment module (204) is used for adjusting the pulse level according to the error code deviation direction to realize error code adjustment.
5. The low voltage power line data encoding transmission control system of claim 2, wherein: the signal output end of the zero calibration module (301) is connected with the signal input end of the data decoding module (302), the signal output end of the data decoding module (302) is connected with the signal input end of the decoding transmission module (303), and the signal output end of the decoding transmission module (303) is connected with the signal input end of the power control module (304); the zero point calibration module (301) is used for synchronizing the zero-crossing detection device to detect whether the zero-crossing point is accurate or not; the data decoding module (302) is used for decoding the coded data in the power line; the decoding transmission module (303) is used for transmitting decoded data to a load device; the power control module (304) is used for controlling the voltage and the current according to the data so as to achieve the purpose of controlling the power.
6. The low voltage power line data encoding transmission control system of claim 2, wherein: the identity coding module (401) and the automatic addressing module (402) run in parallel with the wireless communication module (403), and the signal output end of the wireless communication module (403) is connected with the signal input end of the internet of things connection module (404); the identity coding module (401) is used for providing digital identity coding functions for the control end and the load end respectively; the automatic addressing module (402) is used for establishing an automatic addressing matching channel between the control end and the load end; the wireless communication module (403) is used for providing an open interface for connecting wireless network communication for the control end; the internet of things connection module (404) is used for realizing internet of things connection among a plurality of independently operated control terminals through wireless network communication.
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| US6535549B1 (en) * | 1999-09-14 | 2003-03-18 | Harris Canada, Inc. | Method and apparatus for carrier phase tracking |
| CN103532592B (en) * | 2012-12-05 | 2016-01-20 | 深圳友讯达科技股份有限公司 | A kind of power line carrier code modulating method and device thereof |
| CN104144001B (en) * | 2014-07-29 | 2016-09-07 | 江苏宏云技术有限公司 | A kind of method improving power line carrier signal transmission reliability |
| CN106027202B (en) * | 2016-05-18 | 2019-02-19 | 南京工业大学 | Multi-rate data distribution method in a kind of wireless network based on network code |
| CN111835494B (en) * | 2020-07-23 | 2021-11-16 | 深圳市龙信信息技术有限公司 | Multi-channel network data transmission system and method |
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