CN107864003A - A kind of public network repeater that communication is realized with LoRa wireless technologys - Google Patents
A kind of public network repeater that communication is realized with LoRa wireless technologys Download PDFInfo
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- CN107864003A CN107864003A CN201711444582.2A CN201711444582A CN107864003A CN 107864003 A CN107864003 A CN 107864003A CN 201711444582 A CN201711444582 A CN 201711444582A CN 107864003 A CN107864003 A CN 107864003A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The present invention discloses a kind of public network repeater that communication is realized with LoRa wireless technologys, including：Slave unit：The first I/O interface module is provided with, and one or more external data ends are connected to by the first I/O interface module；Main equipment：The second I/O interface module is provided with, and one or more external communication modules are connected to by the second I/O interface module；Realized and communicated by LoRa wireless technologys between the slave unit and main equipment.The present invention can overcome the shortcomings of that concentrator uses GPRS or cdma communication mode in the weak place of movable signal in the prior art, so that the communication of kilowatt meter reading-out system is more reliable and more stable by using the repeater based on LoRa technologies in kilowatt meter reading-out system.
Description
Technical field
The present invention relates to the communications field, and in particular to a kind of public network repeater that communication is realized with LoRa wireless technologys.
Background technology
LoRa is one kind in the LPWAN communication technologys, is that one kind that Semtech companies of the U.S. use and promoted is based on spread spectrum
The overlength distance wireless transmission scheme of technology, this scheme change the compromise consideration side on transmission range and power consumption in the past
Formula, can provide the user it is a kind of it is simple can realize at a distance, low-power consumption, long battery life, the system of Large Copacity, Jin Erkuo
Open up sensing network.
At present in kilowatt meter reading-out system the communication module of concentrator data feedback channel mainly in a manner of GPRS or CDMA and master station communication,
But GPRS or CDMA modes can produce high power consumption in communication process with the increase of transmission range, and in actual application
In, most of concentrator is arranged on the weak places of movable signal such as basement, once long transmission distance, power consumption are high, it is easy to make
It is unstable into that can not communicate or communicate between concentrator and acquisition system main website.
The content of the invention
In view of this, the application provides a kind of public network repeater that communication is realized with LoRa wireless technologys, by meter reading
The repeater based on LoRa technologies is used in system, concentrator in the prior art can be overcome to be used in the weak place of movable signal
GPRS or cdma communication mode deficiency, so that the communication of kilowatt meter reading-out system is more reliable and more stable.
The present invention is achieved through the following technical solutions：
A kind of public network repeater that communication is realized with LoRa wireless technologys, including：
Slave unit：The first I/O interface module is provided with, and is connected to by the first I/O interface module outside one or more
Data terminal；
Main equipment：The second I/O interface module is provided with, and is connected to by the second I/O interface module outside one or more
Communication module；
Realized and communicated by LoRa wireless technologys between the slave unit and main equipment.
Further, the slave unit is additionally provided with the first instruction mould for being connected automatically to the first I/O interface module
Block, the main equipment are additionally provided with the second instruction module for being connected automatically to the second I/O interface module.
Further, first instruction module includes：
First instruction identification module：For identifying that the instruction that receives of the first command output module is local instruction or remote
Cheng Zhiling；
First instruction presetting module：For presetting the preferential output order of the first command output module；
First instruction configuration module：For receiving teleinstruction and handling configuration, then the teleinstruction of configuration is transmitted
To the first command output module, it is additionally operable to configure local instruction, and send the local instruction of configuration to the first instruction output mould
Block；
First command output module：For receiving the instruction of the first instruction configuration module transmission and being preset according to the first instruction
The default preferential output order order of module transmits commands to the first I/O interface module.
Further, second instruction module includes：
Second instruction identification module：For identifying that the instruction that receives of the second command output module is local instruction or remote
Cheng Zhiling；
Second instruction presetting module：For presetting the preferential output order of the second command output module；
Second instruction configuration module：For receiving teleinstruction and handling configuration, then the teleinstruction of configuration is transmitted
To the second command output module, it is additionally operable to configure local instruction, and send the local instruction of configuration to the second instruction output mould
Block；
Second command output module：For receiving the instruction of the second instruction configuration module transmission and being preset according to the second instruction
The default preferential output order order of module transmits commands to the second I/O interface module.
Further, the slave unit, which is additionally provided with, is sequentially connected first processor, the first digital coding module, first
LoRa drive modules and first antenna device, the first processor are connected by the first instruction module and the first I/O interface module
Connect；
First I/O interface module：For receiving the signal of external data end transmission and delivering it to the first instruction mould
Block, it is additionally operable to receive the signal of the first instruction module transmission and delivers it to external data end；
First instruction module：For receiving signal and the processing of the first I/O interface module and first processor transmission, then
Send the signal after processing to first processor and the first I/O interface module；
First processor：For receiving signal and the processing of the first instruction module and the transmission of the first digital coding module, so
Send the signal after processing to the first digital coding module and the first instruction module afterwards；
First digital coding module：For receiving signal and the place of first processor and the transmission of the first LoRa drive modules
Reason, then sends the signal after processing to the first LoRa drive modules and first processor；
First LoRa drive modules：For receiving signal and the place of the first digital coding module and the transmission of first antenna device
Reason, then sends the signal after processing to first antenna device and the first digital coding module；
First antenna device：For receiving the signal of the first LoRa drive modules and the signal received being converted into electromagnetism
Ripple signal sends main equipment to, is additionally operable to receive the signal of main equipment transmission and the signal received is converted into electric signal transmission
To the first LoRa drive modules.
Further, the slave unit also includes the 3rd I/O interface module being connected with first processor, the 3rd IO
Interface module is used to realize mapping to outside data terminal and the I/O port of external communication module.
Further, the slave unit also includes the first infrared debugging interface module being connected with first processor, described
First infrared debugging interface module is used for information and the processing for obtaining external communication module, then gives the information transmission after processing
First processor, is additionally operable to receive the signal of first processor transmission, and the parameter of external communication module is entered according to the signal
Row configuration.
Further, the main equipment is additionally provided with the second processor being sequentially connected, the second digital coding module, second
LoRa drive modules and the second antenna assembly, the second processor are connected by the second instruction module and the second I/O interface module
Connect；
Second I/O interface module：For receiving the signal of external communication module transmission and delivering it to the second instruction
Module, it is additionally operable to receive the signal of the second instruction module transmission and delivers it to external communication module；
Second instruction module：For receiving signal and the processing of the second I/O interface module and second processor transmission, then
Send the signal after processing to second processor and the second I/O interface module；
Second processor：For receiving signal and the processing of the second instruction module and the transmission of the second digital coding module, so
Send the signal after processing to the second digital coding module and the second instruction module afterwards；
Second digital coding module：For receiving signal and the place of second processor and the transmission of the 2nd LoRa drive modules
Reason, then sends the signal after processing to the 2nd LoRa drive modules and second processor；
2nd LoRa drive modules：For receiving signal and the place of the second digital coding module and the transmission of the second antenna assembly
Reason, then sends the signal after processing to the second antenna assembly and the second digital coding module；
Second antenna assembly：For receiving the signal of the 2nd LoRa drive modules and the signal received being converted into electromagnetism
Ripple signal sends slave unit to, is additionally operable to receive the signal of slave unit transmission and the signal received is converted into electric signal transmission
To the 2nd LoRa drive modules.
Further, the main equipment also includes the 4th I/O interface module being connected with second processor, the 4th IO
Interface module is used to realize mapping to outside data terminal and the I/O port of external communication module.
Further, the main equipment also includes the second infrared debugging interface module being connected with second processor, described
Second infrared debugging interface module is used for information and the processing for obtaining external communication module, then gives the information transmission after processing
Second processor, is additionally operable to receive the signal of second processor transmission, and the parameter of external communication module is entered according to the signal
Row adjustment configuration.
The present invention replaces the concentrator in existing kilowatt meter reading-out system by using the repeater based on LoRa technologies, by repeater point
For slave unit and main equipment cooperating, the advantages of using the low-power consumption of LoRa technologies, long transmission distance, good anti-interference, from setting
It is standby to be placed as required on the place that the movable signals such as basement are weak or interference is strong, be not in existing concentrator due to
Using being communicated the problem of unstable existing for GPRS or CDMA modes and communication main station, the present invention can make main website and external data
Communication between collection terminal is relatively reliable.Secondly, the present invention is by setting the first instruction module and the second instruction module, Ke Yi
Teleinstruction automatically configures local instruction when losing, and data acquisition will not be caused to be interrupted, and by setting teleinstruction and local
The priority of instruction, data acquisition will not be caused chaotic, whole work process is rigorous in order, both securely and reliably, can also improve
Operating efficiency.Except this, the present invention, can be to external communication module and outer by the 3rd I/O interface module and the 4th I/O interface module
The IO serial ports of portion's data terminal realizes mapping in real time, so as to grasp the trend of work of external module at any time and make corresponding adjustment, protects
Demonstrate,proving the moment of the invention is operated in the state of Optimum Matching, makes the service behaviour of the present invention more stable, improves and lead between main website
The reliability of interaction is believed, in addition, the present invention can be with by the first infrared debugging interface module and the second infrared debugging interface module
External communication module and wireless parameter are obtained at any time, and its parameter is configured, and can make the service behaviour of the present invention more
It is reliable and stable.
Brief description of the drawings
Fig. 1 is the structured flowchart of slave unit.
Fig. 2 is the structured flowchart of main equipment.
Embodiment
In order that those skilled in the art more fully understands technical scheme, it is below in conjunction with the accompanying drawings and specific real
Applying example, the present invention is described in further detail.
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment provides a kind of public network repeater that communication is realized with LoRa wireless technologys, bag
Include：
Slave unit：The first I/O interface module is provided with, and is connected to by the first I/O interface module outside one or more
Data terminal；
Main equipment：The second I/O interface module is provided with, and is connected to by the second I/O interface module outside one or more
Communication module；
Realized and communicated by LoRa wireless technologys in the present embodiment, between slave unit and main equipment, slave unit is additionally provided with
For being connected automatically to the first instruction module of the first I/O interface module, main equipment is additionally provided with for being connected automatically to the 2nd IO
Second instruction module of interface module.
Wherein, the first instruction module includes：
First instruction identification module：For identifying that the instruction that receives of the first command output module is local instruction or remote
Cheng Zhiling；
First instruction presetting module：For presetting the preferential output order of the first command output module；
First instruction configuration module：For receiving teleinstruction and handling configuration, then the teleinstruction of configuration is transmitted
To the first command output module, it is additionally operable to configure local instruction, and send the local instruction of configuration to the first instruction output mould
Block；
First command output module：For receiving the instruction of the first instruction configuration module transmission and being preset according to the first instruction
The default preferential output order order of module transmits commands to the first I/O interface module.
Second instruction module includes：
Second instruction identification module：For identifying that the instruction that receives of the second command output module is local instruction or remote
Cheng Zhiling；
Second instruction presetting module：For presetting the preferential output order of the second command output module；
Second instruction configuration module：For receiving teleinstruction and handling configuration, then the teleinstruction of configuration is transmitted
To the second command output module, it is additionally operable to configure local instruction, and send the local instruction of configuration to the second instruction output mould
Block；
Second command output module：For receiving the instruction of the second instruction configuration module transmission and being preset according to the second instruction
The default preferential output order order of module transmits commands to the second I/O interface module.
Specifically, slave unit, which is additionally provided with, is sequentially connected first processor, the first digital coding module, the first LoRa drivings
Module and first antenna device, first processor are connected by the first instruction module with the first I/O interface module；
First I/O interface module：For receiving the signal of external data end transmission and delivering it to the first instruction mould
Block, it is additionally operable to receive the signal of the first instruction module transmission and delivers it to external data end；
First instruction module：For receiving signal and the processing of the first I/O interface module and first processor transmission, then
Send the signal after processing to first processor and the first I/O interface module；
First processor：For receiving signal and the processing of the first instruction module and the transmission of the first digital coding module, so
Send the signal after processing to the first digital coding module and the first instruction module afterwards；
First digital coding module：For receiving signal and the place of first processor and the transmission of the first LoRa drive modules
Reason, then sends the signal after processing to the first LoRa drive modules and first processor；
First LoRa drive modules：For receiving signal and the place of the first digital coding module and the transmission of first antenna device
Reason, then sends the signal after processing to first antenna device and the first digital coding module；
First antenna device：For receiving the signal of the first LoRa drive modules and the signal received being converted into electromagnetism
Ripple signal sends main equipment to, is additionally operable to receive the signal of main equipment transmission and the signal received is converted into electric signal transmission
To the first LoRa drive modules.
In the present embodiment, slave unit also includes the 3rd I/O interface module being connected with first processor, and the 3rd IO connects
Mouth mold block is used to realize mapping to outside data terminal and the I/O port of external communication module.
In the present embodiment, slave unit also includes the first infrared debugging interface module being connected with first processor, and first is red
Examination interface module of transfering to other localities is used for information and the processing for obtaining external communication module, then gives the information transmission after processing at first
Device is managed, is additionally operable to receive the signal of first processor transmission, and the parameter of external communication module is configured according to the signal.
Specifically, main equipment is additionally provided with the second processor being sequentially connected, the second digital coding module, the 2nd LoRa and driven
Dynamic model block and the second antenna assembly, the second processor are connected by the second instruction module with the second I/O interface module；
Second I/O interface module：For receiving the signal of external communication module transmission and delivering it to the second instruction
Module, it is additionally operable to receive the signal of the second instruction module transmission and delivers it to external communication module；
Second instruction module：For receiving signal and the processing of the second I/O interface module and second processor transmission, then
Send the signal after processing to second processor and the second I/O interface module；
Second processor：For receiving signal and the processing of the second instruction module and the transmission of the second digital coding module, so
Send the signal after processing to the second digital coding module and the second instruction module afterwards；
Second digital coding module：For receiving signal and the place of second processor and the transmission of the 2nd LoRa drive modules
Reason, then sends the signal after processing to the 2nd LoRa drive modules and second processor；
2nd LoRa drive modules：For receiving signal and the place of the second digital coding module and the transmission of the second antenna assembly
Reason, then sends the signal after processing to the second antenna assembly and the second digital coding module；
Second antenna assembly：For receiving the signal of the 2nd LoRa drive modules and the signal received being converted into electromagnetism
Ripple signal sends slave unit to, is additionally operable to receive the signal of slave unit transmission and the signal received is converted into electric signal transmission
To the 2nd LoRa drive modules.
In the present embodiment, main equipment also includes the 4th I/O interface module being connected with second processor, the 4th I/O interface mould
Block is used to realize mapping to outside data terminal and the I/O port of external communication module.
In the present embodiment, main equipment also includes the second infrared debugging interface module being connected with second processor, and second is red
Examination interface module of transfering to other localities is used for information and the processing for obtaining external communication module, then gives the information transmission after processing at second
Device is managed, is additionally operable to receive the signal of second processor transmission, and the parameter of external communication module is adjusted according to the signal
Configuration.
When implementing the present embodiment, the signal that slave unit is received by the first I/O interface module from external data termination is numeral
Signal, digital-to-analogue conversion, filtering and band spectrum modulation are carried out to it after first processor is handled, then by the first digital coding module
Processing, is then sent to main equipment, main equipment passes through the second antenna assembly by LoRa technologies by the signal after band spectrum modulation again
The signal that slave unit is sent is received, and by the second digital coding module it is demodulated, detected, filtered and analog-to-digital conversion, then
Send second processor to, the signal that second processor transmits to the second digital coding module is connect after handling by the 2nd IO
Mouth mold block sends external communication module to, and external communication module retells the information received and sends communication to certain communication mode
Main website, realize the communication interaction between communication main station and external data end.Wherein, external data end can be in existing concentrator
Data management apparatus or control device, data management apparatus or control device in concentrator send data with table to life and read
Order is taken to read related data and be sent to slave unit by the first I/O interface module；External communication module can be GPRS moulds
Block or other communication modules, main equipment is by realizing communication interaction between external communication module and communication main station.
When implementing the present embodiment, the first instruction configuration module in the first instruction module is in real time or regularly from first processor
The teleinstruction transmitted by external communication module is received, and sends teleinstruction to first command output module, meanwhile, first
Instruction configuration module can also autonomous configuration locally instruction and send local instruction to first command output module, refer to when first
After making output module receive instruction, the first instruction identification module understands the instruction that the command output module of initiative recognition first receives
It is teleinstruction or local instruction, if the first command output module receives only teleinstruction or local instruction, will connects
The teleinstruction or local instruction received sends the first command output module to, if the first command output module receives simultaneously
Teleinstruction and it is local instruct, then send the instruction received to the according to the first instruction default instruction sequences of presetting module
One command output module, by the first instruction presetting module, it can also preset and only transmit remotely with preset instructions transmission order
The local instruction of instruction or only transmission, in addition, the also default teleinstruction of the first instruction presetting module receives the time, when the first instruction is matched somebody with somebody
Put module and teleinstruction is not received by preset time, then the first instruction configuration module automatically configures local command and transmitted
To the first command output module.
The second instruction configuration module in second instruction module is in real time or timing is received by PERCOM peripheral communication from second processor
The teleinstruction that module transmits, and send teleinstruction to second command output module, meanwhile, the second instruction configuration module
It can locally be instructed with autonomous configuration and send local instruction to second command output module, when the second command output module receives
To after instruction, the second instruction identification module can the instruction that receives of the command output module of initiative recognition second be teleinstruction or
Local instruction, if the second command output module receives only teleinstruction or local instruction, the teleinstruction that will be received
Or local instruction sends the second command output module to, if the second command output module receives teleinstruction and local simultaneously
Instruction, then send the instruction received to the second instruction output mould according to the second instruction default instruction sequences of presetting module
Block, by the second instruction presetting module, it can also preset only transmission teleinstruction with preset instructions transmission order or only transmit
Local instruction, in addition, the also default teleinstruction of the second instruction presetting module receives the time, when the second instruction configuration module is default
Teleinstruction is not received by time, then the second instruction configuration module automatically configures local command and to send the second instruction to defeated
Go out module.
In the present embodiment, spread spectrum mainly will using the LoRa spread spectrums of Semtech companies of the U.S.
Below 10kHz low-frequency digital signal expands to the analog signal of 125kHz signal bandwidths, is then transmitted wirelessly again by LoRa
Demodulated with receiving.
Embodiment 2
The present embodiment provides a kind of communication means, and the repeater that the communication means is provided using embodiment 1 realizes communication, bag
Include：
Slave unit receives the baud rate calibration code of external data end transmission；
The pulse width of the low and high level of the baud rate calibration code received to slave unit is calculated and according to result of calculation
Judge the interface communication speed at external data end；
The interface rate of first I/O interface module of slave unit is configured to identical with the interface rate at external data end；
The interface rate configuration information of slave unit is sent to main equipment by LoRa wireless technologys；
The interface rate of second I/O interface module of main equipment is configured to the interface rate phase with the first I/O interface module
Together；
The information that slave unit receives from external data termination is handled；
Information after slave unit is handled gives main equipment by LoRa wireless technologys；
The information that main equipment receives is handled；
Information transmission after main equipment is handled is to external communication module.
In practical application, external communication module sends the information received to communication master by the communication mode of itself
Stand.
In order that repeater more preferably more stably works, the communication means that the present embodiment provides also includes infrared debugging, this
In embodiment, infrared debugging specifically includes：
External data end, external communication module, the first LoRa drive modules, the 2nd LoRa drives are obtained by infrared emission end
The relevant information of dynamic model block, first antenna device and the second antenna assembly；
The relevant information of acquisition is sent in the form of infrared debugging instruction by the infrared emission head at infrared emission end
The infrared receiving terminal of first infrared debugging interface module and the second infrared debugging interface module；
The infrared debugging instruction that first infrared debugging interface module and the second infrared debugging interface module are received transmits
To first processor and second processor；
The infrared debugging instruction that first processor and second processor receive is handled and will be infrared after processing
Debugging instruction is sent to adjustment by the infrared emission head of the first infrared debugging interface module or the second infrared debugging interface module
Terminal；
Terminal is adjusted to drive outside data terminal, external communication module, the first LoRa according to the infrared debugging instruction received
Dynamic model block, the 2nd LoRa drive modules, first antenna device and the second antenna assembly are debugged.
Wherein, carrying out processing to the infrared debugging instruction that first processor and second processor receive includes：Configure phase
The address of pass equipment, the status information for reading relevant device, read the version information of relevant device, main equipment and slave unit are entered
Row association pairing and Radio Link test.
To make repeater more preferably more stably work, the communication means that the present embodiment provides also includes I/O interface mapping, this
In embodiment, I/O interface mapping specifically includes：
Slave unit is all connected with the interaction serial ports at external data end with first processor, main equipment and external communication module
Interaction serial ports be all connected with second processor；
The status information that interacts serial ports of the slave unit with external data end is ceaselessly read by first processor, once hair
The status information for now interacting serial ports is changed, and makes an immediate response, and the status information of interaction serial ports is passed through into LoRa wireless technologys
It is sent to main equipment；Meanwhile the shape that interacts serial ports of the main equipment with external communication module is ceaselessly read by second processor
State information, once finding that the status information of interaction serial ports changes, make an immediate response, and the status information of interaction serial ports is passed through
LoRa wireless technologys are sent to slave unit；
Parsed and judged from setting by the status information of interaction serial ports of the second processor of main equipment to receiving
The state that the status information of which of standby interaction serial ports changes and changed；Meanwhile the first processor for passing through slave unit
The status information of interaction serial ports to receiving is parsed and judges the status information hair of which of main equipment interaction serial ports
Changing and the state of change；
By second processor by main equipment and the state for interacting serial ports of external communication module be arranged to slave unit with
The state of the interaction serial ports at external data end is identical；Meanwhile the interacting slave unit and external data end by first processor
The state of serial ports is arranged to identical with the state of the interaction serial ports of external communication module with main equipment.
When implementing the present embodiment, the signal transmission direction that is provided except the present embodiment：From external data end to slave unit to
Main equipment arrives external communication module again, finally transfers data to communication main station by external communication module, so as to realize communication master
The remote management stood；Can also be：Communication main station is sent to main equipment by external communication module and ordered, and main equipment will receive
Order be sent to slave unit, relevant information is sent to external data end by slave unit again, finally by external data end to life
Associative operation is performed with table.The former is gathered data and is uploaded to the process of communication main station, and the latter is communication main station to external number
According to the end process that is controlled and command, the communication means of the latter and as follows：
The interface rate of second I/O interface module of main equipment is configured to the interface mouth speed phase with external communication module
Together；
The interface rate configuration information of main equipment will be sent to slave unit by LoRa wireless technologys；
The traffic rate of first I/O interface module of slave unit is configured to the configured rate phase with the second I/O interface module
Together；
The information that is received to main equipment from external communication module is simultaneously handled；
Information after main equipment is handled gives slave unit by LoRa wireless technologys；
The information that slave unit receives is handled；
Information transmission after slave unit is handled gives external data end.
Wherein, the interface rate of the second I/O interface module of main equipment is configured to the interface rate with external communication module
It is identical to specifically include：
Main equipment receives the baud rate calibration code of external communication module transmission；
The pulse width of the low and high level of the baud rate calibration code received to main equipment is calculated and according to result of calculation
Judge the interface communication speed of external communication module；
The traffic rate of second I/O interface module of main equipment is configured to the interface communication speed with external communication module
It is identical.
Meanwhile in order that making repeater more preferably more stably work, the communication means that the present embodiment provides also includes infrared
Debugging and I/O interface mapping, infrared debugging and I/O interface mapping specific method and the above-mentioned infrared debugging of the present embodiment and
The method of I/O interface mapping is identical.
In the present embodiment, carrying out processing to the information that slave unit receives from external data termination includes digital-to-analogue conversion and to mould
Intend signal and carry out band spectrum modulation, then give the analog signal after spread spectrum to main equipment by LoRa wireless technologys, master sets
It is standby the information received from slave unit to be demodulated again and analog-to-digital conversion, then send data signal to PERCOM peripheral communication mould
Block；Processing is carried out to the information that main equipment receives from external communication module to be included digital-to-analogue conversion and analog signal is spread
Modulation, then give the analog signal after spread spectrum to slave unit by LoRa wireless technologys, slave unit is again to from main equipment
The information received is demodulated and analog-to-digital conversion, then sends data signal to external data end module.Wherein, to simulation
Signal carries out LPF, then carries out respective handling again.
When implementing embodiment 1 and embodiment 2, error correction coding can also be used, can be to being sent out in message transmitting procedure
Raw mistake carries out EDC error detection and correction in receiving end, and error correction coding can both be realized by hardware, can also be real by software
It is existing.Further, since the repeater that embodiment 1 provides many times is operated in electromagnetic interference intensive, complicated and changeable and is directed to
In the Communication Jamming environment of property, therefore various Electronic anti-interference measures can also be taken unimpeded to keep communicating in the specific implementation
Communication, main interference protection measure has：
Frequency hopping communications：Constantly changed using frequency to hide the scouting of enemy and interference, be one kind of spread spectrum communication, resisted dry
Immunity can quality, depending on Frequency point number and change speed；
Direct-Spread communicates：Make enemy's communication countermeasure equipment be difficult to find signal of communication in hidden method, and make arrowband
Interference effect substantially reduces, and reaches jamproof purpose；
Hybrid spread spectrum (frequency hopping/DS)：Integrate the advantages of frequency hopping communications communicates with Direct-Spread and avoid its shortcoming, both
Not only it can be used alone but also can be used in mixed way；
Adaptive technique：The methods of using adaptive antenna, adaptive interference mitigation wave filter, anti-interference arranged as other
The supplementary means applied.
It the above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
The limitation of the present invention, protection scope of the present invention should be defined by claim limited range.For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, some improvements and modifications can also be made, these change
Enter and retouch and also should be regarded as protection scope of the present invention.
Claims (10)
- A kind of 1. public network repeater that communication is realized with LoRa wireless technologys, it is characterised in that including：Slave unit：The first I/O interface module is provided with, and one or more external datas are connected to by the first I/O interface module End；Main equipment：The second I/O interface module is provided with, and one or more PERCOM peripheral communication are connected to by the second I/O interface module Module；Realized and communicated by LoRa wireless technologys between the slave unit and main equipment.
- A kind of 2. public network repeater that communication is realized with LoRa wireless technologys according to claim 1, it is characterised in that institute State slave unit and be additionally provided with the first instruction module for being connected automatically to the first I/O interface module, the main equipment is additionally provided with For being connected automatically to the second instruction module of the second I/O interface module.
- A kind of 3. public network repeater that communication is realized with LoRa wireless technologys according to claim 2, it is characterised in that institute Stating the first instruction module includes：First instruction identification module：For identifying that the instruction that the first command output module receives is locally to instruct or remotely refer to Order；First instruction presetting module：For presetting the preferential output order of the first command output module；First instruction configuration module：For receiving teleinstruction and handling configuration, then the teleinstruction of configuration is sent to One command output module, it is additionally operable to configure local instruction, and sends the local instruction of configuration to first command output module；First command output module：For receiving the instruction of the first instruction configuration module transmission and according to the first instruction presetting module Default preferential output order order transmits commands to the first I/O interface module.
- A kind of 4. public network repeater that communication is realized with LoRa wireless technologys according to claim 2, it is characterised in that institute Stating the second instruction module includes：Second instruction identification module：For identifying that the instruction that the second command output module receives is locally to instruct or remotely refer to Order；Second instruction presetting module：For presetting the preferential output order of the second command output module；Second instruction configuration module：For receiving teleinstruction and handling configuration, then the teleinstruction of configuration is sent to Two command output modules, it is additionally operable to configure local instruction, and sends the local instruction of configuration to second command output module；Second command output module：For receiving the instruction of the second instruction configuration module transmission and according to the second instruction presetting module Default preferential output order order transmits commands to the second I/O interface module.
- A kind of 5. public network repeater that communication is realized with LoRa wireless technologys according to claim 2, it is characterised in that institute State slave unit and be additionally provided with the first processor being sequentially connected, the first digital coding module, the first LoRa drive modules and first Antenna assembly, the first processor are connected by the first instruction module with the first I/O interface module；First I/O interface module：For receiving the signal of external data end transmission and delivering it to the first instruction module, It is additionally operable to receive the signal of the first instruction module transmission and delivers it to external data end；First instruction module：, then will place for receiving signal and the processing of the first I/O interface module and first processor transmission Signal after reason sends first processor and the first I/O interface module to；First processor：For receiving signal and the processing of the first instruction module and the transmission of the first digital coding module, then will Signal after processing sends the first digital coding module and the first instruction module to；First digital coding module：For receiving signal and the processing of first processor and the transmission of the first LoRa drive modules, so Send the signal after processing to the first LoRa drive modules and first processor afterwards；First LoRa drive modules：For receiving signal and the processing of the first digital coding module and the transmission of first antenna device, Then the signal after processing is sent to first antenna device and the first digital coding module；First antenna device：For receiving the signal of the first LoRa drive modules and the signal received being converted into electromagnetic wave letter Number send main equipment to, be additionally operable to receive the signal of main equipment transmission and the signal received is converted into electric signal to send the to One LoRa drive modules.
- A kind of 6. public network repeater that communication is realized with LoRa wireless technologys according to claim 5, it is characterised in that institute The 3rd I/O interface module that slave unit also includes being connected with first processor is stated, the 3rd I/O interface module is used for external number Mapping is realized according to the I/O port of end and external communication module.
- A kind of 7. public network repeater that communication is realized with LoRa wireless technologys according to claim 5, it is characterised in that institute State the first infrared debugging interface module that slave unit also includes being connected with first processor, the first infrared debugging interface module For obtaining information and the processing of external communication module, then the information transmission after processing is additionally operable to connect to first processor The signal of first processor transmission is received, and the parameter of external communication module is configured according to the signal.
- A kind of 8. public network repeater that communication is realized with LoRa wireless technologys according to claim 2, it is characterised in that institute State main equipment and be additionally provided with the second processor being sequentially connected, the second digital coding module, the 2nd LoRa drive modules and second Antenna assembly, the second processor are connected by the second instruction module with the second I/O interface module；Second I/O interface module：For receiving the signal of external communication module transmission and delivering it to the second instruction mould Block, it is additionally operable to receive the signal of the second instruction module transmission and delivers it to external communication module；Second instruction module：, then will place for receiving signal and the processing of the second I/O interface module and second processor transmission Signal after reason sends second processor and the second I/O interface module to；Second processor：For receiving signal and the processing of the second instruction module and the transmission of the second digital coding module, then will Signal after processing sends the second digital coding module and the second instruction module to；Second digital coding module：For receiving signal and the processing of second processor and the transmission of the 2nd LoRa drive modules, so Send the signal after processing to the 2nd LoRa drive modules and second processor afterwards；2nd LoRa drive modules：For receiving signal and the processing of the second digital coding module and the transmission of the second antenna assembly, Then the signal after processing is sent to the second antenna assembly and the second digital coding module；Second antenna assembly：For receiving the signal of the 2nd LoRa drive modules and the signal received being converted into electromagnetic wave letter Number send slave unit to, be additionally operable to receive the signal of slave unit transmission and the signal received is converted into electric signal to send the to Two LoRa drive modules.
- A kind of 9. public network repeater that communication is realized with LoRa wireless technologys according to claim 8, it is characterised in that institute The 4th I/O interface module that main equipment also includes being connected with second processor is stated, the 4th I/O interface module is used for external number Mapping is realized according to the I/O port of end and external communication module.
- A kind of 10. public network repeater that communication is realized with LoRa wireless technologys according to claim 8, it is characterised in that The main equipment also includes the second infrared debugging interface module being connected with second processor, the second infrared debugging interface mould Block is used for information and the processing for obtaining external communication module, is then additionally operable to the information transmission after processing to second processor The signal of second processor transmission is received, and configuration is adjusted to the parameter of external communication module according to the signal.
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