CN106781398A - A kind of multilist collection copies the LoRa wireless meter reading methods of communication interface converter - Google Patents
A kind of multilist collection copies the LoRa wireless meter reading methods of communication interface converter Download PDFInfo
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- CN106781398A CN106781398A CN201710001362.6A CN201710001362A CN106781398A CN 106781398 A CN106781398 A CN 106781398A CN 201710001362 A CN201710001362 A CN 201710001362A CN 106781398 A CN106781398 A CN 106781398A
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- meter
- lora
- communication interface
- interface converter
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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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
-
- 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
Abstract
The invention discloses the LoRa wireless meter reading methods that a kind of multilist collection copies communication interface converter, data reading system is carried out to the water meter of LoRa wireless communication modes, gas meter, flow meter and calorimeter by LoRa modules；LoRa modules are integrated with multilist copies communication interface converter as core automated wireless networking；After the completion of networking, multilist collection copies communication interface converter and directly transmits message and carries out data reading system to each meter in wireless network, the response message that meter is returned is uploaded to multilist collection and copies communication interface converter by LoRa modules, then is copied after communication interface converter encapsulates response message by multilist collection and upload concentrator.The present invention improves multilist centralized meter-reading system to the water meter of LoRa wireless communication modes, gas meter, flow meter, calorimeter data reading system success rate and efficiency, reduces loss of the radio meter register to meter battery, contributes to the construction of the hot multilist centralized meter-reading system of water, electricity and gas to promote.
Description
Technical field
The invention belongs to remote concentrated ammeter reading technical field, and in particular to a kind of multilist collection copies communication interface converter
LoRa wireless meter reading methods.
Background technology
It refers to gather water meter, intelligent electric energy meter, gas meter, flow meter, calorimeter data that multilist collection copies communication interface converter, and right
Water, heat, gas meter data processing storage, while the equipment that data exchange can be carried out with concentrator or handheld device.Using multilist
It is a kind of quick effectively way for setting up " water, electricity and gas heat " multilist centralized meter-reading system that collection copy communication interface converter to coordinate concentrator to check meter
Footpath, the barrier of " language obstacle, each treatment ", reduces government utility infrastructure and repeats to throw between helping to break current four table
Money, reduces the comprehensive operation cost of public service.
LoRa is a kind of linear frequency modulation spread spectrum communication technology, excellent with the remote, strong antijamming capability of low in energy consumption, communication distance etc.
Point, is the widely used wireless communication mode of live water, air and heat table.Current multilist collection copies the up logical of communication interface converter
Letter time-out time is short, because there is low-power consumption wake-up mechanism in LoRa node communications, the concentrator after a LoRa radio meter register is completed
Meter data often cannot be obtained from data feedback channel；The meter of LoRa wireless communication modes is powered using battery simultaneously, if frequently
Processing data copy reading instruction will increase power consumption, reduce battery, increase the O＆M cost of live meter.2 points of the above
Cause that current multilist centralized meter-reading system is low to the meter data reading system success rate of LoRa wireless communication modes, battery loss is big, it is unfavorable
Promoted in the construction of multilist centralized meter-reading system.
The content of the invention
Technical problem solved by the invention is to overcome current multilist collection to copy communication interface converter to LoRa wireless telecommunications
The water of mode, air and heat meter data reading system success rate are low, the deficiency that battery loss is big.
A kind of multilist collection of the invention copies the LoRa wireless meter reading methods of communication interface converter, it is characterised in that：
By be built in multilist collection copy LoRa modules in communication interface converter complete water meter to LoRa wireless communication modes,
Gas meter, flow meter, calorimeter data reading system；
LoRa modules are integrated with multilist copies communication interface converter and carries out automated wireless networking, every piece of LoRa wireless telecommunications side as core
The meter of formula all as in LoRa wireless networks from node.After the completion of networking, multilist collection is copied communication interface converter and is passed through
LoRa modules realize the operation and control to each node in network, can directly transmit and meet CJ/T 188-2004 communication protocol lattice
The message of formula carries out data reading system to the meter of each LoRa wireless communication modes, and the response message that meter is returned passes through LoRa modules
It is uploaded to multilist collection and copies communication interface converter, then upload collection after communication interface converter encapsulates response message is copied by multilist collection
Middle device.
The interface parameters of LoRa modules includes following：
void LoRa_Init(BYTE nPort)：LoRa module initializations
BYTE LoRa_NodeAdd(BYTE *pAddr)：Increase node
BYTE LoRa_NodeTimeout(BYTE *pAddr)：LoRa radio meter register time-out times
BYTE LoRa_AddrSet(BYTE *Addr)：Node address is set
BYTE LoRa_NodeClear(void)：Deletion of node
BYTE LoRa_NodeConfig(WORD Cmd ,BYTE *pBuff,BYTE Num)：Node is configured
BYTE LoRa_Meter_Read(BYTE *pAddr)：Node copy reading.
Using there is address pattern copy reading, flow is comprised the following steps LoRa radio meter registers：
Step（1）, after the completion of LoRa module wireless networkings, after the data reading system order to certain block meter is received, enter first
Row packet parsing, identification meter address（That is node archives）；
Step（2）, whether decision node archives have been registered for, if unregistered, the node registered and to be automatically added to LoRa wireless
Network networking again, return to step（1）；If registered, judge current time away from the last time copy reading success time whether more than M hours
（1≤M≤24）If being more than, data reading system order is directly forwarded to the meter, on the contrary will then cache last time copy reading success when
Response message upload multilist collection copy communication interface converter, terminate this and check meter；
Step（3）, wait meter to return to response message in timeouts, if receiving response message, into step（5）；If
Response message is not received yet beyond the time limit, and the increase of the copy reading frequency of failure is once；
Step（4）, judge the same day to the copy reading frequency of failure of the meter whether more than n times（2≤N≤5）If being less than, turn again
Hair data reading system order, return to step（3）；If being more than, the data reading system order to the meter will be no longer responded in the same day；
Step（5）If receiving response message, uploaded multilist collection and copy communication interface converter and cache, while minute book
The secondary copy reading success time, terminate this and check meter.
The data buffer storage mechanism of LoRa radio meter registers is as follows：
In to LoRa wireless networks after the success of individual node data reading system, in addition to response message is returned into data feedback channel, also certainly
It is dynamic to cache this response message, if causing data to be adopted not successfully because the LoRa radio meter register times exceed uplink communication timeouts
Collection, responds immediately to the response message of caching after the data reading system order from data feedback channel is received again.
LoRa wireless data copy reading protection schemes are as follows：
1）Multilist collection copies communication interface converter and may be configured as debugging mode or protected mode, is defaulted as protected mode；
2）Under debugging mode, data reading system order will be forwarded unconditionally, and holding time for debugging mode is settable, is set to
10 minutes integral multiples, maximum is supported 2550 minutes（The daily 2:00 AM of debugging mode is automatically switched off）；
3）In protected mode, it is within every M hours to the node in forwarding cycle, M hours for the successful node of copy reading
Data reading system replys the response message of last caching.M spans are 1≤M≤24.M needs to take into account the data reading system cycle
With meter response times, the automatic storage accumulative hour number of storage of registration, i.e., 24 during zero crossing daily due to aqueous vapor hotlist meter
According to it is obviously 24 that M is maximum, and the too small then meter same day response data copy reading order number of times of M values is excessive, does not have reduction battery
Power consumption effect, from terms of debugging angle, M minimums are taken as 1, i.e. an at most data reading system order of response per hour.Consider actual
Situation, it is 4 to recommend M values；
4）In protected mode, to copy reading failure meter data reading system order on the day of at most forwarding n times, daily zero passage
The copy reading frequency of failure for putting the meter resets, and next day counts again.N spans are 2≤N≤5.It is sporadic in view of existing
Copy reading factors for failure, N at least should be 2, and if N values are excessive, still influence overall meter reading efficiency, generally higher than 5 times copy readings
Failure then may determine that is caused by the factor such as meter faults itself or artificial parameter setting mistake, therefore N maximums can be taken as
5.Consider actual conditions, it is 3 to recommend N values.
The treatment measures of LoRa radio meter register operation exceptions are as follows：
The reset LoRa modules if the copy reading frequency of failure of all nodes in LoRa wireless networks has reached K times, K value models
It is 64≤K≤160 to enclose.The data reading system of globality is probably unsuccessfully to be caused by LoRa module software failures, due to a multilist
Collection copies communication interface converter should at least be supported to 32 pieces of data reading systems of the aqueous vapor hotlist meter of LoRa wireless communication modes, by upper
The span for stating N understands 32 × 2=64≤K≤32 × 5=160.It is 100 to consider that actual conditions recommend K values.
The beneficial effects of the invention are as follows：Improve multilist centralized meter-reading system to the water meter of LoRa wireless communication modes, gas meter, flow meter,
Calorimeter data reading system success rate and efficiency, reduce loss of the radio meter register to meter battery, reduce live meter O＆M
Cost, contributes to the construction of " water, electricity and gas heat " multilist centralized meter-reading system to promote.
Brief description of the drawings
Fig. 1 is the LoRa wireless network architecture figures of multilist centralized meter-reading system.
Fig. 2 is LoRa radio meter registers flow chart of the invention.
Specific embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
The present invention copies LoRa modules in communication interface converter by being built in multilist collection and completes to LoRa wireless telecommunications
The water meter of mode, gas meter, flow meter, calorimeter data reading system.
As shown in figure 1, LoRa modules are integrated with multilist and copy communication interface converter and carry out automated wireless networking, every piece as core
The meter of LoRa wireless communication modes all as in LoRa wireless networks from node.LORA modules were to respectively both can be straight from node
Connecing operation also can be by repeater（Repeater is that the multilist collection of other installation LoRa modules copies communication interface converter）Carry out
Operation；When being operated to low power consuming devices, can directly carry out wake operation and also can control router and repeater execution wake operation.
The wireless network that LoRa modules are set up has the characteristics that：
1) automatic building network
LoRa wireless networks are that automatic network-building is set up in the way of searching for by LoRa modules.Treat the LoRa wireless telecommunications sides of networking
The meter of formula is referred to as target device, and LoRa modules are supported the target device and all target devices of broadcast search that search is specified, searched
Point-to-point path will be distributed for each target device after Suo Chenggong, and be registered in routing table automatically, so that complete paired node archives
Registration.
2) multilevel relay forwarding
LoRa wireless networks have stronger expansibility, and the coverage of network, branch are expanded in support in the way of multi-level forwarding
5 grades of relay forwardings are held, also can suitably be amplified in the special occasions network number of plies；
3) dynamic route reparation
LoRa wireless networks are wireless multi-hop ad-hoc networks, and with the automatic repair function in path, transmission reliability is high.User Ke Tong
Cross concentrator and directly operate any from node in network, the sequence node number that network can be selected according to user be searched automatically
Rope, and the optimal path set up to destination node；
4) data transparent transmission
LoRa wireless networks support the network communication protocol of independent research, and the saturating of data is provided the user on the basis of this agreement
Bright transmission, supports often to wrap the user data of at most 120 byte lengths of transmission.
After the completion of networking, multilist collection copies communication interface converter and passes through behaviour of the LoRa modules realization to each node in network
Make and control, the message for meeting CJ/T 188-2004 communications protocol formats can be directly transmitted to each LoRa wireless communication modes
Meter carries out data reading system, and the response message that meter is returned is uploaded to multilist collection and copies communication interface converter by LoRa modules,
Copied after communication interface converter encapsulates response message by multilist collection again and upload concentrator.
The important technological parameters of LoRa modules are as follows：
Working frequency points scope：470~510MHz；Emission state power consumption≤100mA, reception state power consumption≤20mA；Operating voltage：3
~3.6V；Transmission power<16dBm；Serial ports form：UART, baud rate 9600bps, 8 data, no parity, 1 stopping
Position；Wireless communication rate：0.8kbps；Transmitting distance：＞ 2500m（Open field）；Appearance and size：40 mm×
27.5mm。
The interface parameters of LoRa modules includes following：
void LoRa_Init(BYTE nPort)：LoRa module initializations
BYTE LoRa_NodeAdd(BYTE *pAddr)：Increase node
BYTE LoRa_NodeTimeout(BYTE *pAddr)：LoRa radio meter register time-out times
BYTE LoRa_AddrSet(BYTE *Addr)：Node address is set
BYTE LoRa_NodeClear(void)：Deletion of node
BYTE LoRa_NodeConfig(WORD Cmd ,BYTE *pBuff,BYTE Num)：Node is configured
BYTE LoRa_Meter_Read(BYTE *pAddr)：Node copy reading
As shown in Fig. 2 LoRa radio meter registers are using there is address pattern copy reading, flow is comprised the following steps：
Step（1）, after the completion of LoRa module wireless networkings, after the data reading system order to certain block meter is received, enter first
Row packet parsing, identification meter address（That is node archives）；
Step（2）, whether decision node archives have been registered for, if unregistered, the node registered and to be automatically added to LoRa wireless
Network networking again, return to step（1）；If registered, judge whether current time is small more than M away from the last time copy reading success time
When, if being more than, data reading system order is directly forwarded to the meter, otherwise will then cache last time copy reading success when response report
Text uploads multilist collection and copies communication interface converter, terminates this and checks meter；
Step（3）, wait meter to return to response message in timeouts, if receiving response message, into step（5）；If
Response message is not received yet beyond the time limit, and the increase of the copy reading frequency of failure is once；
Step（4）, judge whether the same day is more than n times to the copy reading frequency of failure of the meter, if being less than, data reading system is forwarded again
Order, return to step（3）；If being more than, the data reading system order to the meter will be no longer responded in the same day；
Step（5）If receiving response message, uploaded multilist collection and copy communication interface converter and cache, while minute book
The secondary copy reading success time, terminate this and check meter.
Because there is low-power consumption wake-up mechanism in the node communication in LoRa wireless networks, therefore to single node（That is LoRa
The meter of wireless communication mode）1 secondary data copy reading time about 10s or so（If data reading system order is forwarded by repeater
The copy reading time is longer）.It is up logical and multilist collection copies communication interface converter uplink communication mode generally power line carrier at present
The time-out time of letter is shorter（Generally less than 6s）, so after the completion of waiting radio meter register, concentrator will be unable to from upper because of communication overtime
Row of channels obtains meter data.
For this problem, the present invention increased data buffer storage mechanism, i.e., often successfully copies in LoRa radio meter register flows
Read one piece of meter, multilist collection copies response message that communication interface converter receives in addition to data feedback channel is returned, and will also delay automatically
Deposit, the response message of last time caching is responded immediately to when the data reading system order from data feedback channel is received again, it is ensured that collection
Success rate of the middle device from data feedback channel gathered data.
Further, since the meter of LoRa wireless communication modes is powered using battery at present, if frequently processing data copy reading refers to
Order will increase power consumption, reduce battery, increase the O＆M cost of live meter.For extension meter battery uses the longevity
Life, the present invention devises LoRa wireless data copy reading protection schemes, refers to " shielding " data reading system unnecessary in the short time
Order.The daily copy reading frequency of failure upper limit is provided with simultaneously to tackle the situation of failure of repeatedly checking meter, it is to avoid because meter faults itself,
Artificial setting repeat caused by the factors such as mistake invalid checking meter and the loss of communication interface converter copied to multilist collection and overall is checked meter
The obstruction of flow, lifts the efficiency of LoRa radio meter registers.LoRa wireless data copy reading protection schemes are as follows：
1）Multilist collection copies communication interface converter and may be configured as debugging mode or protected mode, is defaulted as protected mode；
2）Under debugging mode, data reading system order will be forwarded unconditionally, and holding time for debugging mode is settable, is set to
10 minutes integral multiples, maximum is supported 2550 minutes（In view of actual conditions, the daily 2:00 AM of debugging mode is automatically switched off）；
3）In protected mode, it is within every M hours to the node in forwarding cycle, M hours for the successful node of copy reading
The response message of caching is replied in copy reading.M needs to take into account data reading system cycle and meter response times, because aqueous vapor hotlist meter is every
Automatic storage accumulative hour one secondary data of storage of registration, i.e., 24 during its zero crossing, it is obviously 24 that M is maximum, and the too small then table of M values
Meter same day response data copy reading order number of times is excessive, does not have reduction battery power consumption effect, and from terms of debugging angle, M minimums take
Be 1, i.e. an at most data reading system order of response per hour.Consider actual conditions, M values are 4 in recommending the present embodiment；
4）In protected mode, to copy reading failure meter data reading system order on the day of at most forwarding n times, daily zero passage
The copy reading frequency of failure for putting the meter resets, and next day counts again.In view of there is sporadic copy reading factors for failure, N is at least
Should be 2, and if N values are excessive, still influence overall meter reading efficiency, generally higher than 5 times copy readings failure then may determine that be by
The factor such as meter faults itself or artificial parameter setting mistake causes, therefore N maximums can be taken as 5.Consider actual conditions, recommend
N values are 3 in the present embodiment.
To tackle the situation of LoRa radio meter register operation exceptions, when multilist collection copies communication interface converter in LoRa wireless networks
When the multiple data reading system of multiple nodes fails, it may be possible to because LoRa module softwares failure, inherent parameters set it is improper etc. and
Cause, be now necessary reset LoRa modules.If therefore the copy reading frequency of failure of all nodes in LoRa wireless networks adds up
Reach K then reset LoRa module.Copying communication interface converter due to a multilist collection should at least support wireless to 32 pieces of LoRa
The data reading system of the aqueous vapor hotlist meter of communication modes, 32 × 2=64≤K≤32 × 5=160 is understood by the span of above-mentioned N.Examine
It is 100 to consider K values during actual conditions recommend the present embodiment.
In sum, a kind of multilist collection of the invention copies the LoRa wireless meter reading methods of communication interface converter,
Improve multilist centralized meter-reading system to the water meter of LoRa wireless communication modes, gas meter, flow meter, calorimeter data reading system success rate and
Efficiency, reduces loss of the radio meter register to meter battery, contributes to the construction of " water, electricity and gas heat " multilist centralized meter-reading system to promote.
General principle of the invention, principal character and advantage has been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, simply original of the invention is illustrated described in above-described embodiment and specification
Reason, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes and improvements
All fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appending claims and its equivalent circle.
It is fixed.
Claims (9)
1. a kind of multilist collection copies the LoRa wireless meter reading methods of communication interface converter, it is characterised in that：
By be built in multilist collection copy LoRa modules in communication interface converter to the water meter using LoRa wireless communication modes,
Gas meter, flow meter and calorimeter data reading system；
LoRa modules are integrated with multilist copies communication interface converter and carries out automated wireless networking, every piece of LoRa wireless telecommunications side as core
The meter of formula all as in LoRa wireless networks from node；
After the completion of networking, multilist collection copies communication interface converter and each node in network is operated and controlled by LoRa modules
System, directly transmits and meets the message of CJ/T 188-2004 communications protocol formats the meter of each LoRa wireless communication modes is carried out
Data reading system, the response message that meter is returned is uploaded to multilist collection and copies communication interface converter by LoRa modules, then by multilist
Collection is copied after communication interface converter encapsulates response message and uploads concentrator.
2. a kind of multilist collection according to claim 1 copies the LoRa wireless meter reading methods of communication interface converter, its feature
It is：In to LoRa wireless networks after the success of individual node data reading system, in addition to response message is returned into data feedback channel, also certainly
It is dynamic to cache this response message, if causing data to be adopted not successfully because the LoRa radio meter register times exceed uplink communication timeouts
Collection, responds immediately to the response message of caching after the data reading system order from data feedback channel is received again.
3. a kind of multilist collection according to claim 1 and 2 copies the LoRa wireless meter reading methods of communication interface converter, and it is special
Levy and be：Data reading system is comprised the following steps using there is address pattern copy reading：
Step（1）, after the completion of wireless networking, after LoRa modules receive the data reading system order to certain block meter, enter first
Row packet parsing, identification meter address is node archives；
Step（2）, whether decision node archives have been registered for, if unregistered, the node registered and to be automatically added to LoRa wireless
Network networking again, return to step（1）；If registered, judge current time away from the last time copy reading success time whether more than setting
M hours, if being more than, data reading system order is directly forwarded to the meter, during the last time copy reading success that will otherwise cache should
Answer message upload multilist collection and copy communication interface converter, terminate this and check meter；
Step（3）, wait meter to return to response message in timeouts, if receiving response message, into step（5）；If
Response message is not received yet beyond the time limit, and the increase of the copy reading frequency of failure is once；
Step（4）, judge whether the same day is more than the n times of setting to the copy reading frequency of failure of the meter, if being less than, number is forwarded again
According to copy reading order, return to step（3）；Otherwise, the data reading system order to the meter will be no longer responded in the same day；
Step（5）If receiving response message, uploaded multilist collection and copy communication interface converter and cache, while minute book
The secondary copy reading success time, terminate this and check meter.
4. a kind of multilist collection according to claim 1 copies the LoRa wireless meter reading methods of communication interface converter, its feature
It is：Multilist collection copies communication interface converter includes debugging mode and protected mode, is defaulted as protected mode；
Under debugging mode, data reading system order will be forwarded unconditionally, and holding time for debugging mode is settable, is set to 10
Minute integral multiple, maximum is supported 2550 minutes（The daily 2:00 AM of debugging mode is automatically switched off）；
In protected mode, it is within every M hours the number in forwarding cycle, M hours to the node for the successful node of copy reading
The response message of last caching is replied according to copy reading；To copy reading failure meter data reading system order on the day of at most turn
Hair n times, the copy reading frequency of failure of the daily zero crossing meter resets, and next day counts again.
5. a kind of multilist collection according to claim 3 copies the LoRa wireless meter reading methods of communication interface converter, its feature
It is：To LoRa modules if when the copy reading frequency of failure of all nodes in LoRa wireless networks has reached K times of setting
Resetted.
6. a kind of multilist collection according to claim 1 copies the LoRa wireless meter reading methods of communication interface converter, its feature
It is：
The interface parameters of LoRa modules includes following：
void LoRa_Init(BYTE nPort)：LoRa module initializations
BYTE LoRa_NodeAdd(BYTE *pAddr)：Increase node
BYTE LoRa_NodeTimeout(BYTE *pAddr)：LoRa radio meter register time-out times
BYTE LoRa_AddrSet(BYTE *Addr)：Node address is set
BYTE LoRa_NodeClear(void)：Deletion of node
BYTE LoRa_NodeConfig(WORD Cmd ,BYTE *pBuff,BYTE Num)：Node is configured
BYTE LoRa_Meter_Read(BYTE *pAddr)：Node copy reading.
7. a kind of multilist collection according to claim 3 copies the LoRa wireless meter reading methods of communication interface converter, its feature
It is：The span of M is 1≤M≤24.
8. a kind of multilist collection according to claim 3 copies the LoRa wireless meter reading methods of communication interface converter, its feature
It is：The span of N is 2≤N≤5.
9. a kind of multilist collection according to claim 5 copies the LoRa wireless meter reading methods of communication interface converter, its feature
It is：The span of K is 64≤K≤160.
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| CN108966305A (en) * | 2018-07-27 | 2018-12-07 | 深圳市荣盛智能装备有限公司 | A kind of LORA relaying ad hoc network method |
| CN109392055B (en) * | 2018-11-19 | 2020-07-10 | 北京科技大学 | Sensor network cross-layer energy control method and device |
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| CN110189509A (en) * | 2019-05-09 | 2019-08-30 | 广东电网有限责任公司 | A kind of wireless long-distance meter-reading system |
| CN110324324A (en) * | 2019-06-19 | 2019-10-11 | 国电南瑞南京控制系统有限公司 | A kind of electricity, water, four table acquisition protocols system of air and heat and conversion method |
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| CN113810870A (en) * | 2021-07-02 | 2021-12-17 | 浙江利尔达物联网技术有限公司 | Centralized meter reading communication method for LoRa ad hoc network |
| CN113810870B (en) * | 2021-07-02 | 2024-04-26 | 浙江利尔达物联网技术有限公司 | Centralized meter reading communication method for LoRa (local area network) ad hoc network |
| CN115474235A (en) * | 2022-10-31 | 2022-12-13 | 江苏芮捷智能科技有限公司 | Long-distance meter reading communication system and method combining LoRa wireless autonomous frequency division and multi-hop |
| CN115474235B (en) * | 2022-10-31 | 2023-07-11 | 江苏芮捷智能科技有限公司 | LoRa wireless autonomous frequency division and multi-hop combined remote meter reading communication system and method |
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