CN110176948A - LoRa+PLC bimodulus built-in module and the communication structure and the means of communication for using the module - Google Patents

LoRa+PLC bimodulus built-in module and the communication structure and the means of communication for using the module Download PDF

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Publication number
CN110176948A
CN110176948A CN201910559031.3A CN201910559031A CN110176948A CN 110176948 A CN110176948 A CN 110176948A CN 201910559031 A CN201910559031 A CN 201910559031A CN 110176948 A CN110176948 A CN 110176948A
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CN
China
Prior art keywords
lora
plc
data
module
gateway
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910559031.3A
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Chinese (zh)
Inventor
孙伟仁
孟源
俞洁
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Hangzhou Rowan Mdt Infotech Ltd
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Hangzhou Rowan Mdt Infotech Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Hangzhou Rowan Mdt Infotech Ltd filed Critical Hangzhou Rowan Mdt Infotech Ltd
Priority to CN201910559031.3A priority Critical patent/CN110176948A/en
Publication of CN110176948A publication Critical patent/CN110176948A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/54Systems for transmission via power distribution lines
    • H04B3/542Systems for transmission via power distribution lines the information being in digital form
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • H04W88/06Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Abstract

The invention discloses a kind of LoRa+PLC bimodulus built-in modules; including MCU, HPLC bandwidth carrier chip, LoRa radio-frequency module, LED light, carrier signal coupling unit and charging circuit part; LoRa radio-frequency module is for sending and receiving LoRa data; the place switching PLC that HPLC bandwidth carrier chip is used to be not achieved in LoRa communication goes to send and receive LoRa data; LED light is used for the instruction of modules operating status; carrier signal coupling unit is used to for carrier signal being coupled to power line, and charging circuit part is used for power management and short-circuit protection.The present invention is using PLC and the two kinds of channels LoRa, data are acquired and are returned, it is ensured that most of can be wirelessly communicated by LoRa reports, and the positions such as dead angle and blind area are transmitted by PLC, gateway can be more stably transmitted to by data are farther, so that remote meter reading becomes more convenient.

Description

LoRa+PLC bimodulus built-in module and the communication structure and the means of communication for using the module
Technical field
The invention belongs to communication field more particularly to a kind of LoRa+PLC bimodulus built-in module and use the communication of the module Structure and the means of communication.
Background technique
With deepening constantly for China's power industry system reform, originally manual metering and the meter reading method of statistics clearing is aobvious The needs of market business operation are not adapted to so.Therefore, it is necessary to establish to be automated as the electrical energy metering charging on basis certainly Dynamicization system, to improve acquisition, transmission, the accuracy of processing, reliability and the timeliness of electric flux.
With being constantly progressive for microelectric technique, many communication modes are applied in electric energy meter communication, at present on the market The built-in module communication modes of mainstream have: LoRa, power line carrier (calling PLC in the following text) and micro power radio communication etc..These are logical More or less all some shortcomings of news:
(1) micropower is wireless: power is small, and sensitvity constraint, coverage area is small, and communication distance is short, is influenced sternly by barrier Weight.
(2) power network fluctuation is smaller and short haul circuits transmit situation, electric wire PLC: can be passed through using PLC carrier technology Meter reading data transmission is carried out, but is unfavorable for remote information collection and the biggish region of electric load fluctuation.
(3) LoRa:LoRa wireless network can cover biggish outdoor area and part indoor section, but deeply in building Dead angle or basement are there are still blind area, such as underground, enclosure space, dead angle etc. in building, and signal penetrability is not good enough.
Summary of the invention
The present invention provides a kind of bis- using LoRa+PLC to solve above-mentioned defect existing in the prior art and deficiency Two kinds of channels PLC and LoRa of mould built-in module, data are acquired and are returned, it is ensured that most of to pass through LoRa channel radio Letter reports, and the positions such as dead angle and blind area are transmitted by PLC, compensates for the disadvantage of two kinds of communication modes respectively, can incite somebody to action Data are farther to be more stably transmitted to gateway, so that remote meter reading becomes more convenient and fast LoRa+PLC bimodulus built-in module and makes With the communication structure and the means of communication of the module.
Technical solution of the present invention: a kind of LoRa+PLC bimodulus built-in module, including MCU, the HPLC wide being connected on MCU It is coupled with carrier chip, LoRa radio-frequency module and LED light and the carrier signal being connected on HPLC bandwidth carrier chip Part and charging circuit part, the LoRa radio-frequency module is for sending and receiving LoRa data, the HPLC bandwidth carrier core The place switching PLC that piece is used to be not achieved in LoRa communication goes to send and receive LoRa data, and the LED light is for each The instruction of module operating status, the carrier signal coupling unit are used to carrier signal being coupled to power line, the charging Circuit part is used for power management and short-circuit protection.
Preferably, the HPLC bandwidth carrier chip is connect with MCU by SPI, and the LoRa radio-frequency module passes through with MCU SPI connection, the LED light are connect with MCU by GPIO.
A kind of communication structure using LoRa+PLC bimodulus built-in module, including measure main website, be connected in metering main website Server, connection LoRa+PLC gateway on the server and concentrator, be connected on LoRa+PLC gateway and concentrator PLC power line, on LoRa+PLC gateway the LoRa wireless telecommunications wide area network of ad hoc network and by PLC power line and LoRa without Line communicates the electric energy meter of wide area net mode communication, and LoRa+PLC bimodulus built-in module is installed in the inside of the electric energy meter.
Preferably, the server is connected by Enternete data penetration transmission connection metering main website, the concentrator by 4G Server is connect, the LoRa+PLC gateway passes through 4G or Enternete connection server, disposes core net on the server Or HES system.
It preferably, include multiple electric energy meters using the electricity meter-reading overall network framework of the communication structure, electric energy meter passes through Two kinds of channels PLC and LoRa of LoRa+PLC bimodulus built-in module send data using the channel PLC by data to upper layer transport When, data can be transmitted to concentrator or the LoRa+PLC gateway with PLC carrier module, when sending data using the channel LoRa, Data are transmitted to LoRa+PLC gateway, converge to core net or HES system with latter two channel data, eventually flow to metering main website Or other application platform.
A kind of means of communication of the communication structure using LoRa+PLC bimodulus built-in module, it is characterised in that:
1) data downstream process
LoRa+PLC bimodulus built-in module receives the data of gateway, carries out sentencing weight, is decrypted to data, will read number According to agreement judgement and protocol encapsulation is carried out, form standard DL T645 message, data directly pass through serial ports and are transmitted to electric energy meter On;
2) data uplink process
LoRa+PLC bimodulus built-in module is communicated by serial data bus and meter, when reading the data on serial bus Afterwards, agreement judgement is carried out, the data collection that copy reading is arrived presses LoRaWAN agreement framing on one side, and mainboard chip will be ready for sending LoRa or fsk data send LoRa radio-frequency module to by SPI, send the data to gateway by radio-frequency module;On one side will The data that copy reading is arrived are sent to HPLC bandwidth carrier module according to carrier protocol framing, by SPI, then pass through electricity with PLC technology The data of acquisition are reported to concentrator or gateway with HPLC carrier module by the line of force;Two edge channels send data uplink simultaneously To gateway or concentrator.
The present invention uses two kinds of channels PLC and LoRa of LoRa+PLC bimodulus built-in module, and data are acquired and are returned It passes, it is ensured that most of can be wirelessly communicated by LoRa reports, and the positions such as dead angle and blind area are transmitted by PLC, are compensated for The disadvantage of two kinds of communication modes respectively can more stably be transmitted to gateway for data are farther, so that remote meter reading becomes more It is convenient.
Detailed description of the invention
Fig. 1 is the hardware connection diagram of LoRa+PLC bimodulus built-in module in the present invention;
Fig. 2 is in the present invention using the schematic diagram of the communication structure of LoRa+PLC bimodulus built-in module;
Fig. 3 is the electricity meter-reading overall network architecture diagram that LoRa+PLC bimodulus built-in module is used in the present invention;
Fig. 4 is LoRa+PLC dual-channels communication technology and other several existing communication technology contrast schematic diagrams in the present invention.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings, but is not the limit to the scope of the present invention System.
As shown in Figure 1, a kind of LoRa+PLC bimodulus built-in module, including MCU, the HPLC bandwidth carrier being connected on MCU Chip, LoRa radio-frequency module and LED light and the carrier signal coupling unit being connected on HPLC bandwidth carrier chip and Charging circuit part, for sending and receiving LoRa data, the HPLC bandwidth carrier chip is used for the LoRa radio-frequency module It goes to send and receive LoRa data in the place switching PLC that LoRa communication is not achieved, the LED light is transported for modules The instruction of row state, the carrier signal coupling unit are used to carrier signal being coupled to power line, the charging circuit portion Divide and is used for power management and short-circuit protection.The HPLC bandwidth carrier chip is connect with MCU by SPI, the LoRa radio frequency mould Block is connect with MCU by SPI, and the LED light is connect with MCU by GPIO.
As shown in Figures 2 and 3, a kind of communication structure using LoRa+PLC bimodulus built-in module, including metering main website, connection Server, connection LoRa+PLC gateway on the server and concentrator in metering main website are connected to LoRa+PLC gateway With on concentrator PLC power line, on LoRa+PLC gateway the LoRa wireless telecommunications wide area network of ad hoc network and pass through PLC electricity It installs built in LoRa+PLC bimodulus the inside of the electric energy meter of the line of force and the communication of LoRa wireless telecommunications wide area net mode, the electric energy meter Module.The server by Enternete data penetration transmission connection metering main website, the concentrator by 4G connection server, The LoRa+PLC gateway is by disposing core net or HES system on 4G perhaps the Enternete connection server server System.It include multiple electric energy meters using the electricity meter-reading overall network framework of the communication structure, electric energy meter passes through LoRa+PLC bimodulus Two kinds of channels PLC and LoRa of built-in module, by data to upper layer transport, when sending data using the channel PLC, data can be transmitted To concentrator or with the LoRa+PLC gateway of PLC carrier module, when sending data using the channel LoRa, data are transmitted to LoRa + PLC gateway converges to core net or HES system with latter two channel data, eventually flows to metering main website or other application is flat Platform.
A kind of means of communication of the communication structure using LoRa+PLC bimodulus built-in module, it is characterised in that:
1) data downstream process
LoRa+PLC bimodulus built-in module receives the data of gateway, carries out sentencing weight, is decrypted to data, will read number According to agreement judgement and protocol encapsulation is carried out, form standard DL T645 message, data directly pass through serial ports and are transmitted to electric energy meter On;
2) data uplink process
LoRa+PLC bimodulus built-in module is communicated by serial data bus and meter, when reading the data on serial bus Afterwards, agreement judgement is carried out, the data collection that copy reading is arrived presses LoRaWAN agreement framing on one side, and mainboard chip will be ready for sending LoRa or fsk data send LoRa radio-frequency module to by SPI, send the data to gateway by radio-frequency module;On one side will The data that copy reading is arrived are sent to HPLC bandwidth carrier module according to carrier protocol framing, by SPI, then pass through electricity with PLC technology The data of acquisition are reported to concentrator or gateway with HPLC carrier module by the line of force;Two edge channels send data uplink simultaneously To gateway or concentrator.
As shown in figure 4, LoRaWAN (LoRa wireless telecommunications wide area network) is LoRa alliance to solve increasingly in the present invention How far connection requirement apart from internet of things equipment and a low-power consumption wide area network specification releasing, have compared with conventional wireless techniques Have: the characteristics of low bandwidth, low-power consumption, low cost, remote, high sensitivity and large capacity, the stelliform connection topology configuration of LoRaWAN Determine arrange net it is fairly simple, conveniently;But LoRa wireless transmission encounters enclosure space, dead angle, this blind area of ground end, still can not be into Row communication, at this time just combine PLC technology by the electric energy meter data of blind area that LoRa wireless communication is not achieved be transmitted to gateway and Concentrator.LoRa+PLC bimodulus built-in module can two kinds of channels switching transmitting-receiving hair data, compensate for two kinds of communication modes respectively The shortcomings that, gateway can be more stably transmitted to by data are farther, so that remote meter reading becomes more convenient.

Claims (6)

1. a kind of LoRa+PLC bimodulus built-in module, it is characterised in that: it includes MCU, the HPLC bandwidth carrier being connected on MCU Chip, LoRa radio-frequency module and LED light and the carrier signal coupling unit being connected on HPLC bandwidth carrier chip and Charging circuit part, for sending and receiving LoRa data, the HPLC bandwidth carrier chip is used for the LoRa radio-frequency module It goes to send and receive LoRa data in the place switching PLC that LoRa communication is not achieved, the LED light is transported for modules The instruction of row state, the carrier signal coupling unit are used to carrier signal being coupled to power line, the charging circuit portion Divide and is used for power management and short-circuit protection.
2. a kind of LoRa+PLC bimodulus built-in module according to claim 1, it is characterised in that: the HPLC bandwidth carrier Chip is connect with MCU by SPI, and the LoRa radio-frequency module is connect with MCU by SPI, and the LED light passes through with MCU GPIO connection.
3. a kind of communication structure using LoRa+PLC bimodulus built-in module as claimed in claim 2, it is characterised in that: it includes Metering main website, the server being connected in metering main website, connection LoRa+PLC gateway on the server and concentrator are connected to PLC power line on LoRa+PLC gateway and concentrator, on LoRa+PLC gateway ad hoc network LoRa wireless telecommunications wide area network And the electric energy meter communicated by PLC power line and LoRa wireless telecommunications wide area net mode, the inside installation of the electric energy meter LoRa+PLC bimodulus built-in module.
4. a kind of communication structure using LoRa+PLC bimodulus built-in module according to claim 3, it is characterised in that: institute Server is stated by Enternete data penetration transmission connection metering main website, the concentrator passes through 4G connection server, the LoRa + PLC gateway is by disposing core net or HES system on 4G perhaps the Enternete connection server server.
5. a kind of communication structure using LoRa+PLC bimodulus built-in module according to claim 4, it is characterised in that: answer It include multiple electric energy meters with the electricity meter-reading overall network framework of the communication structure, electric energy meter passes through built in LoRa+PLC bimodulus Two kinds of channels PLC and LoRa of module, by data to upper layer transport, when sending data using the channel PLC, data can be transmitted to collection Middle device or LoRa+PLC gateway with PLC carrier module, when sending data using the channel LoRa, data are transmitted to LoRa+PLC Gateway converges to core net or HES system with latter two channel data, eventually flows to metering main website or other application platform.
6. a kind of means of communication of communication structure as claimed in claim 4, it is characterised in that:
1) data downstream process
LoRa+PLC bimodulus built-in module receives the data of gateway, sentence weight, data are decrypted, will read data into The judgement of row agreement and protocol encapsulation, form standard DL T645 message, data directly pass through serial ports and are transmitted on electric energy meter;
2) data uplink process
LoRa+PLC bimodulus built-in module is communicated by serial data bus and meter, after reading the data on serial bus, Agreement judgement is carried out, the data collection that copy reading is arrived presses LoRaWAN agreement framing on one side, and mainboard chip will be ready for sending LoRa or fsk data send LoRa radio-frequency module to by SPI, send the data to gateway by radio-frequency module;On one side will The data that copy reading is arrived are sent to HPLC bandwidth carrier module according to carrier protocol framing, by SPI, then pass through electricity with PLC technology The data of acquisition are reported to concentrator or gateway with HPLC carrier module by the line of force;Two edge channels send data uplink simultaneously To gateway or concentrator.
CN201910559031.3A 2019-06-26 2019-06-26 LoRa+PLC bimodulus built-in module and the communication structure and the means of communication for using the module Pending CN110176948A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910559031.3A CN110176948A (en) 2019-06-26 2019-06-26 LoRa+PLC bimodulus built-in module and the communication structure and the means of communication for using the module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910559031.3A CN110176948A (en) 2019-06-26 2019-06-26 LoRa+PLC bimodulus built-in module and the communication structure and the means of communication for using the module

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CN110176948A true CN110176948A (en) 2019-08-27

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111583614A (en) * 2020-04-30 2020-08-25 广东电网有限责任公司 LoRa and carrier wave dual-mode built-in communication module suitable for electric energy meter
CN111583616A (en) * 2020-04-30 2020-08-25 广东电网有限责任公司 230 MHz-based dual-mode collector for LoRa and carrier
CN112073088A (en) * 2020-09-07 2020-12-11 青岛鼎信通讯股份有限公司 Voice communication method based on medium-voltage carrier transmission

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111583614A (en) * 2020-04-30 2020-08-25 广东电网有限责任公司 LoRa and carrier wave dual-mode built-in communication module suitable for electric energy meter
CN111583616A (en) * 2020-04-30 2020-08-25 广东电网有限责任公司 230 MHz-based dual-mode collector for LoRa and carrier
CN112073088A (en) * 2020-09-07 2020-12-11 青岛鼎信通讯股份有限公司 Voice communication method based on medium-voltage carrier transmission

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