CN109272733A - It is a kind of that multilist is supported to close the multiterminal multimode Internet of Things communicating terminal and its meter register method copied - Google Patents
It is a kind of that multilist is supported to close the multiterminal multimode Internet of Things communicating terminal and its meter register method copied Download PDFInfo
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Abstract
Multilist is supported to close the multiterminal multimode Internet of Things communicating terminal and its meter register method copied the invention discloses a kind of.The wireless communication unit and data acquisition unit of communication terminal are connected respectively to data processing unit；It configures interface and wireless communication unit, data processing unit and data acquisition unit is connected respectively to by configuration unit；RS485 interface and/or RS232 interface one end are connected to data acquisition unit, and the other end is for connecting multiple meters；Wireless communication unit includes LoRa wireless communication subelement and/or NB-IoT wireless communication subelement and/or WIFI wireless communication subelement and/or GPRS communication subelement.The beneficial effects of the present invention are, it realizes that different type different agreement sensor or meter data quickly access the wireless network of different mode by carrying out configuration to multiterminal multimode Internet of Things communicating terminal, reduces research and development cost, improves old scrap build efficiency and reduce engineering construction amount.
Description
Technical field
The present invention relates to Internet of Things fields of communication technology, specially a kind of that multilist is supported to close the multiterminal multimode Internet of Things Netcom copied
Interrogate terminal and its meter register method.
Background technique
Using LoRa, NB-IoT technology as the fast development of the Internet of Things communication technology of representative, electric power, water conservancy, stone have stimulated
The demand of all trades and professions such as oil, chemical industry, traffic, environmental protection, environment sensor and meter data large-scale wireless access network.
Currently, the communication that there are the various communication modes such as a large amount of LoRa, NB-IoT, eMTC and WIFI on the market is whole
End.But there are some problems and shortcomings in the application aspect of these communicating terminals.
Assuming that certain cell will wirelessly every resident of remote reading water, electricity, gas, hotlist, these water,
Electricity, the relevant information of air and heat table are as follows:
As seen from the above table, water, electricity, gas, the communication protocol of hotlist, wireless communication mode, send mode and needs in data
The value volume and range of product of the data of remote reading is not quite similar, this is the data access scene of typical " multiterminal multimode ", existing skill
But the above various data communications can be supported to need simultaneously by flexible soft X ray without any communicating terminal in art
It asks.
The generally existing following problems of communicating terminal in the prior art:
1) the communicating terminal overwhelming majority can only operate in transparent transmission mode (single-ended), i.e., communicating terminal can only passively receive sensing
The data that device or meter are sent cannot send to sensor or meter and read data command.This kind of communicating terminal can be directly applicable in
In can active upload data sensor or meter (water meter in such as table), be not directly adaptable to use and rely on host and issue data and look into
Ask the sensor or meter of order.If wanting to be suitable for relying on sensor or meter that host issues data query order, it is necessary into
Row secondary development re-starts the system integration, therefore, increases research and development cost, reduces working efficiency and application is not strong.
2) individual communicating terminals support transmitting order to lower levels copy reading data, but it can only configure a transmitting order to lower levels, can only be applicable in
In the situation (water meter, gas meter, hotlist in such as table) for only needing to read a meter data, and a communicating terminal can only connect one
Kind of sensor or meter, being not applied for needing to obtain the situations of a plurality of meter data, (ammeter in such as table in fact needs to obtain
The situation of a plurality of meter data is very common).If wanting to obtain a plurality of data, it is necessary to customized development, therefore, level of integrated system are low,
Secondary research and development are at high cost, are unfavorable for promoting.
3) communicating terminal can only fix work at a kind of communication mode (single mode).This kind of communicating terminal can only pass through fixation
A kind of wireless communication mode network, cannot flexibly by hardware configuration realize different radio communication modes networking or it is several not
Same wireless communication mode networks simultaneously.When client have different radio mode network demand when, generally require secondary development or again
The new substitute for finding former communicating terminal, can not be rapidly achieved the purpose of multimodality network, together by simple hardware configuration
Sample increases research and development cost, reduces working efficiency and application is not strong.
If to realize demand mentioned above with existing communication terminal, it is necessary to formulate system tray as shown in Figure 1
Structure.It can be seen that
1) meter of different communication protocol needs customized development software and hardware, or the communicating terminal that purchase is different；
2) meter of different communication modes needs customized development software and hardware, or the communicating terminal that purchase is different；
3) multilist and the meter connect need customized development software and hardware, or the communicating terminal that purchase is different.
Therefore, same set of communicating terminal does not have versatility and there are biggish secondary R&D work, this is greatlyd improve
Client's uses threshold, while reducing working efficiency, and there are more serious drawback.
Summary of the invention
Multilist is supported to close the multiterminal multimode Internet of Things communicating terminal destroyed and its meter reading side the object of the present invention is to provide a kind of
Method.
Realize the technical solution of the object of the invention are as follows:
It is a kind of that multilist is supported to close the multiterminal multimode Internet of Things communicating terminal copied, including wireless communication unit, data processing list
Member, data acquisition unit and configuration unit；The wireless communication unit and data acquisition unit are connected respectively to data processing list
Member；It configures interface and wireless communication unit, data processing unit and data acquisition unit is connected respectively to by configuration unit；
RS485 interface and/or RS232 interface one end are connected to data acquisition unit, and the other end is for connecting multiple meters；It is described wireless
Communication unit includes LoRa wireless communication subelement and/or NB-IoT wireless communication subelement and/or WIFI wireless communication list
Member and/or GPRS communicate subelement.
A kind of meter register method for supporting multilist to close the multiterminal multimode Internet of Things communicating terminal copied, including communicating terminal establish number
The step of processing is copied in the step of the step of according to model, host computer configuration communicating terminal and the conjunction of communicating terminal multilist；
The step of communicating terminal establishes data model, data model include basic parameter, radio frequency parameter and meter ginseng
Number:
Basic parameter: the ID number of ID number and communicating terminal including the affiliated client of communicating terminal；
Radio frequency parameter: the messaging parameter including communication type and each type；
The messaging parameter of each type includes,
The messaging parameter of LoRa, including transmission power, spreading factor, coding, bandwidth, working frequency points and port number；
The messaging parameter of NBIoT, including IP address and port numbers；
The messaging parameter of GPRS, including IP address and port numbers；
The messaging parameter of WIFI, including IP address and port numbers；
Meter parameter: the copy reading order including basic information, the communication interface of meter and meter；
The basic information, the type of serial number, meter including meter, the system identifier of meter, the title of meter, meter
The MAC Address of communication protocol and meter；
The communication interface of the meter, the parameter including communication interface type and different type interface；Wherein, communication interface
Type includes RS232 interface type and RS485 interface type；The parameter of RS232 interface type includes baud rate, check bit, number
According to position and stop position；The parameter of RS485 interface type includes baud rate, check bit, data bit and stop position；
The copy reading order of the meter, the descriptor of serial number, order including order, copy reading period of order, order
The data of length and order；
The step of host computer configuration communicating terminal, including
Step 1: host computer instantiates the data model of communicating terminal, including instantiation basic parameter, radio frequency parameter and table
Count parameter；
Step 2: the data model of instantiation is generated data message by host computer, is written by the configuration interface of communicating terminal
To communicating terminal；The data message, including configuring the data message of radio frequency parameter and the data message of configuration meter parameter；Its
In, configure the data message format of radio frequency parameter are as follows: heading " AT+T=", message length byte, radio frequency parameter data byte
With termination character " n "；Configure the data message format of meter parameter are as follows: heading " AT+C=", message length byte, meter
Supplemental characteristic byte and termination character " n "；
The step of processing is copied in the communicating terminal multilist conjunction, including
Step 1: reading the data model of instantiation, the meter parameter m instantiated including N11,m2,m3,…,mN1,
It further include the copy reading order c of N2 instantiation1,c2,c3,…,cN2；
Step 2: data processing unit starts timer；
Step 3: data processing unit successively judges copy reading order c1,c2,c3,…,cN2Whether copy reading period is reached, if not,
Then maintain this step；If so, it is c that then label, which reaches the copy reading order in copy reading period,T, and continue；
Step 4: data processing unit searches cTAffiliated instantiation meter parameter, is denoted as mT；Extract mTCommunication interface,
It is denoted as sT；Extract mTCommunication protocol, be denoted as xT；Extract cTOrder data, be denoted as pT；
Step 5: data acquisition unit is according to sTSelect corresponding communication interface, configure the parameter of interface, backward communication
Interface sends pT；
Step 6: the data that the communication interface to be received such as data acquisition unit returns such as receive time-out, then return step 3,
Data are such as received, q is denoted asT；
Step 7: data processing unit is according to xTDetect qTLegitimacy, such as illegal, then return step 3；As legal, after
It is continuous；
Step 8: wireless communication unit selects the channel radio of respective type according to the radio frequency parameter of the data model of instantiation
Letter subelement simultaneously configures messaging parameter, rear send q to wireless communication unitT；Return step 3.
The beneficial effects of the present invention are realize different type by carrying out configuration to multiterminal multimode Internet of Things communicating terminal
Different agreement (multiterminal, such as DLT645, ModBus) sensor or meter data quickly access different mode (multimode, as LoRa,
NBIoT, WIFI) wireless network, reduce research and development cost, improve old scrap build efficiency and reduce engineering construction amount.It is more
End multimode Internet of Things communicating terminal has versatility, reduces the workload of secondary development, the system integration, can effectively improve work
Journey efficiency.
Detailed description of the invention
Fig. 1 is the schematic diagram that meter is accessed to wireless network using different communicating terminals；
Fig. 2 is the schematic diagram that meter is accessed to wireless network using multiterminal multimode Internet of Things communicating terminal；
Fig. 3 is the system construction drawing of multiterminal multimode Internet of Things communicating terminal；
Fig. 4 is the hardware configuration of multiterminal multimode Internet of Things communicating terminal.
Specific embodiment
A specific embodiment of the invention is further illustrated with reference to the accompanying drawing.
The system structure of multiterminal multimode Internet of Things communicating terminal is as shown in figure 3, include wireless communication unit, data processing list
Member, data acquisition unit, execution unit and configuration unit；Wireless communication unit, data acquisition unit and execution unit connect respectively
It is connected to data processing unit；It configures interface and wireless communication unit, data processing unit sum number is connected respectively to by configuration unit
According to acquisition unit；RS485 interface and/or RS232 interface are connected to data acquisition unit；Infrared output interface and output switch parameter
Interface is connected respectively to execution unit；Wireless communication unit includes LoRa wireless communication subelement and/or NB-IoT wireless communication
Subelement and/or WIFI wireless communication subelement and/or GPRS communicate subelement.
The hardware configuration of multiterminal multimode Internet of Things communicating terminal is as shown in figure 4, wherein
1) system: the hardware of multiterminal multimode communicating terminal includes interface board, power insert, CPU card, communication plug-in unit；
2) communication plug-in unit: communication plug-in unit can match different communication modes according to different application scenarios, realize multimode
Data transmission, such as LoRa, NB-IoT, WIFI, GPRS；
3) interface board: including power interface, antennal interface, 1 data communication interface and 1 configuration interface；
4) interface board: the power input of power interface is alternating current 220V, and antennal interface is SMA interface, is inserted according to different
Part matches different antennas；
5) interface board: communication interface is RS485 interface, and each interface can connect most 10 terminals, and each terminal is most
10 group commands can be connect；
6) power insert: realize that 220V turns 3.3V and 5V and uses for each card.It is directly powered using 220V, without outside
DC supply input largely promotes live rapid deployment efficiency, while protection electricity is added to power supply, peripheral communication interface
Road can ensure that equipment does not interfere with external power supply, also not met the requirement of industrial scale applications by the interference of external environment.
The meter reading process of multiterminal multimode communicating terminal is as follows:
(1) communicating terminal models
(1) communicating terminal model
Three layers of communicating terminal model point:
1) basic parameter model: ID number (2 words of the ID number (1 byte) of the affiliated client of communication terminal, communicating terminal
Section).
2) radio frequency parameter model.
3) meter parameter model is modeled, array type by the meter number that maximum is supported.
(2) the radio frequency parameter model of communicating terminal model
Radio frequency parameter model includes: communication type (1 byte) and different types of traffic model.Wherein,
Communication pattern is the data model of LoRa, including transmission power (1 byte), spreading factor (1 byte), coding
(1 byte), bandwidth (1 byte), working frequency points (1 byte), port number (1 byte) etc..
Communication pattern is the data model of NBIoT, including IP address (4 bytes) and port numbers (1 byte).
Communication pattern is the data model of GPRS, including IP address (4 bytes) and port numbers (1 byte).
Communication pattern is the data model of WIFI, including IP address (4 bytes) and port numbers (1 byte).
(3) the meter parameter model of communicating terminal model
Three layers of meter parameter model point:
1) basic information model: serial number (1 byte), the type of meter (1 byte), the system identifier of meter including table
MAC Address (6 words of (4 bytes), the title of meter (1 byte), the communication protocol of meter (1 byte) and meter
Section).Wherein, the system identifier of meter by customer ID (1 byte)+DUT ID (2 bytes)+mould ID (4bit)+table serial number
(4bit) is formed, totally 4 byte.
2) the communication interface model of meter, the model of type, different type interface including interface.Wherein, communication interface
Type includes RS232 interface type and RS485 interface type；The model of RS232 interface type includes baud rate, check bit, number
According to position and stop position；The model of RS485 interface type includes baud rate, check bit, data bit and stop position.
3) the copy reading bidding model of meter, the descriptor of serial number, order including table order, the copy reading period of order, life
Length, the data of order of order.
(2) data configuration, i.e. Model instantiation are carried out by host computer configuration software
1) the affiliated client of communicating terminal is configured
2) the physics MAC of communicating terminal is configured
3) mould, including LoRa, NB-IoT, WIFI, GPRS etc. of communicating terminal are configured
4) communication mode for configuring communicating terminal configures specific communications parameter according to specific communication pattern, wherein
◆ there are two types of working methods by LoRa: LoRaWAN mode and non-LoRaWAN mode, configures content under LoRaWAN mode
Including starting frequency point and port number, configuration content includes power, working frequency points, bandwidth of operation, coding staff under non-LoRaWAN mode
The items such as formula and spreading factor
◆ the configuration content of NB-IoT includes: server ip address and port numbers
◆ the configuration content of WIFI includes: server ip address and port numbers
◆ the configuration content of GPRS includes: server ip address and port numbers
5) serial number of configuration communicating terminal access sensor or meter
6) interface of configuration communicating terminal access sensor or meter, including RS485 interface, RS232 interface
7) messaging parameter of communicating terminal interface, including baud rate, data bit, stop position, check bit are configured.
8) protocol type of allocation list
9) the agreement MAC Address of allocation list, the location MAC are 16 systems
10) the copy reading order of allocation list, including
◆ the communication protocol of pre-set criteria: inserted after being calculated by configuration software
◆ off-gauge self-defined pattern: inserted after artificial calculation command
(3) data message is generated according to the communication terminal data of instantiation, the number including generating configuration radio frequency parameter model
According to the data message of message and configuration meter parameter model.It is as follows:
Configure the communication format of radio frequency parameter
| Field | Length (byte) | Explanation |
| Constant: AT+A= | 5 | Heading |
| Length | 2 | Message total length (small end) |
| Configuration information | RadioInfo_TypeDef | See radio frequency parameter model |
| Constant: n | 1 | Termination character |
Configure the communication format of meter parameter
After generating data message, communicating terminal is written to by the configuration interface of communicating terminal, completes configuration.
(4) communicating terminal carries out multilist and closes the processing copied according to the data of instantiation.It is as follows:
Step 1: the configuration information of data processing unit reading communicating terminal；The radio frequency parameter of note instantiation is R, document
The meter parameter sets of exampleization are M={ m1,m2,m3,…,mN1, wherein N1 is the number of the meter parameter of instantiation；Document example
The copy reading command history of change is C={ c1,c2,c3,…,cN2, wherein N2 is the number of the copy reading order of instantiation.
Step 2: data processing unit starts timer；
Step 3: data processing unit successively judges whether to reach ciThe copy reading period of (1~N2 of i value range), if not,
Then maintain step 3；If so, marking the copy reading order is cT, carry out step 4；
Step 4: data processing unit searches cTAffiliated instantiation meter parameter, is denoted as mT；Extract mTCommunication interface
Configuration information is denoted as sT；Extract mTCommunication protocol information, be denoted as xT；Extract cTCopy reading content, be denoted as pT, enter step later
Rapid five；
Step 5: data acquisition unit is according to sTCorresponding communication interface is selected, such as RS232 or RS485, and then is configured logical
Believe the messaging parameter of interface, including baud rate, check bit, data bit and stop position, backward sTInterface sends pT, enter step
Six；
Step 6: the s to be received such as data acquisition unitTThe message that interface returns such as receives time-out, then return step three,
Message is such as received, note message is qT, enter step seven；
Step 7: data processing unit is according to xTDetect qTLegitimacy, such as illegal, then return step three are such as legal,
Then carry out step 8；
Step 8: wireless processing unit configures the radio frequency parameter of the corresponding interface, such as LoRa, NB- according to radio frequency parameter R
IoT, GPRS, WIFI etc., it is rear to the corresponding interface send qTMessage.Enter step three.
Claims (2)
1. a kind of support multilist to close the multiterminal multimode Internet of Things communicating terminal copied, which is characterized in that including wireless communication unit, number
According to processing unit, data acquisition unit and configuration unit；The wireless communication unit and data acquisition unit are connected respectively to number
According to processing unit；Configuration interface is connected respectively to wireless communication unit, data processing unit and data by configuration unit and acquires
Unit；RS485 interface and/or RS232 interface one end are connected to data acquisition unit, and the other end is for connecting multiple meters；Institute
Stating wireless communication unit includes LoRa wireless communication subelement and/or NB-IoT wireless communication subelement and/or WIFI channel radio
Believe that subelement and/or GPRS communicate subelement.
2. a kind of meter register method for supporting multilist to close the multiterminal multimode Internet of Things communicating terminal copied as described in claim 1,
It is characterized in that, includes the steps that the step of communicating terminal establishes data model, host computer configuration communicating terminal and communicating terminal are more
The step of processing is copied in table conjunction；
The step of communicating terminal establishes data model, data model include basic parameter, radio frequency parameter and meter parameter:
Basic parameter: the ID number of ID number and communicating terminal including the affiliated client of communicating terminal；
Radio frequency parameter: the messaging parameter including communication type and each type；
The messaging parameter of each type includes,
The messaging parameter of LoRa, including transmission power, spreading factor, coding, bandwidth, working frequency points and port number；
The messaging parameter of NBIoT, including IP address and port numbers；
The messaging parameter of GPRS, including IP address and port numbers；
The messaging parameter of WIFI, including IP address and port numbers；
Meter parameter: the copy reading order including basic information, the communication interface of meter and meter；
The basic information, the communication of the type, the system identifier of meter, the title of meter, meter of serial number, meter including meter
The MAC Address of agreement and meter；
The communication interface of the meter, the parameter including communication interface type and different type interface；Wherein, communication interface type
Including RS232 interface type and RS485 interface type；The parameter of RS232 interface type includes baud rate, check bit, data bit
And stop position；The parameter of RS485 interface type includes baud rate, check bit, data bit and stop position；
The copy reading order of the meter, the descriptor of serial number, order including order, the copy reading period of order, order length
With the data of order；
The step of host computer configuration communicating terminal, including
Step 1: host computer instantiates the data model of communicating terminal, including instantiation basic parameter, radio frequency parameter and meter ginseng
Number；
Step 2: the data model of instantiation is generated data message by host computer, is written to by the configuration interface of communicating terminal logical
Interrogate terminal；The data message, including configuring the data message of radio frequency parameter and the data message of configuration meter parameter；Wherein,
Configure the data message format of radio frequency parameter are as follows: heading " AT+T=", message length byte, radio frequency parameter data byte and knot
Beam character " n "；Configure the data message format of meter parameter are as follows: heading " AT+C=", message length byte, meter parameter
Data byte and termination character " n "；
The step of processing is copied in the communicating terminal multilist conjunction, including
Step 1: reading the data model of instantiation, the meter parameter m instantiated including N11,m2,m3,…,mN1, also wrap
Include the copy reading order c of N2 instantiation1,c2,c3,…,cN2；
Step 2: data processing unit starts timer；
Step 3: data processing unit successively judges copy reading order c1,c2,c3,…,cN2Whether copy reading period is reached, if not, dimension
It holds in this step；If so, it is c that then label, which reaches the copy reading order in copy reading period,T, and continue；
Step 4: data processing unit searches cTAffiliated instantiation meter parameter, is denoted as mT；Extract mTCommunication interface, be denoted as
sT；Extract mTCommunication protocol, be denoted as xT；Extract cTOrder data, be denoted as pT；
Step 5: data acquisition unit is according to sTSelect corresponding communication interface, configure the parameter of interface, backward communication interface hair
Send pT；
Step 6: the data that the communication interface to be received such as data acquisition unit returns such as receive time-out, then return step 3, such as receive
To data, it is denoted as qT；
Step 7: data processing unit is according to xTDetect qTLegitimacy, such as illegal, then return step 3；As legal, continuation；
Step 8: wireless communication unit selects the wireless communication of respective type according to the radio frequency parameter of the data model of instantiation
Unit simultaneously configures messaging parameter, it is rear to wireless communication unit send qT；Return step 3.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110164115A (en) * | 2019-06-05 | 2019-08-23 | 河南卓正电子科技有限公司 | A kind of multi-mode Internet of Things wisdom energy source data acquisition terminal |
| CN110491112A (en) * | 2019-08-02 | 2019-11-22 | 国网江西省电力有限公司赣州供电分公司 | A kind of multiple-in-one acquisition system and acquisition method |
| CN110572887A (en) * | 2019-09-09 | 2019-12-13 | 贵州电网有限责任公司 | Multi-mode wireless communication terminal and communication method thereof |
| CN110912829A (en) * | 2019-12-27 | 2020-03-24 | 广东电科院能源技术有限责任公司 | Data service route distribution device and method |
| CN111080998A (en) * | 2019-12-11 | 2020-04-28 | 广西电网有限责任公司 | LoRa technology-based multi-meter centralized reading control method and system |
| CN111256772A (en) * | 2020-02-21 | 2020-06-09 | 湖南东润智能仪表有限公司 | Self-adaptive remote meter reading device and method of reading system |
| CN111768607A (en) * | 2020-06-24 | 2020-10-13 | 浪潮电子信息产业股份有限公司 | Multi-table counting data acquisition method, device, equipment and medium |
| CN112669584A (en) * | 2020-12-04 | 2021-04-16 | 上海昂极仪表科技有限公司 | Portable multi-functional thing networking terminal |
| CN114885231A (en) * | 2022-05-06 | 2022-08-09 | 北京广元科技有限公司 | Communication protocol self-adaptive signal acquisition method, system, terminal and medium |
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| CN110164115A (en) * | 2019-06-05 | 2019-08-23 | 河南卓正电子科技有限公司 | A kind of multi-mode Internet of Things wisdom energy source data acquisition terminal |
| CN110164115B (en) * | 2019-06-05 | 2020-07-03 | 河南卓正电子科技有限公司 | Multi-mode thing networking wisdom energy data acquisition terminal |
| CN110491112A (en) * | 2019-08-02 | 2019-11-22 | 国网江西省电力有限公司赣州供电分公司 | A kind of multiple-in-one acquisition system and acquisition method |
| CN110572887A (en) * | 2019-09-09 | 2019-12-13 | 贵州电网有限责任公司 | Multi-mode wireless communication terminal and communication method thereof |
| CN110572887B (en) * | 2019-09-09 | 2022-06-21 | 贵州电网有限责任公司 | Multi-mode wireless communication terminal and communication method thereof |
| CN111080998A (en) * | 2019-12-11 | 2020-04-28 | 广西电网有限责任公司 | LoRa technology-based multi-meter centralized reading control method and system |
| CN110912829A (en) * | 2019-12-27 | 2020-03-24 | 广东电科院能源技术有限责任公司 | Data service route distribution device and method |
| CN111256772A (en) * | 2020-02-21 | 2020-06-09 | 湖南东润智能仪表有限公司 | Self-adaptive remote meter reading device and method of reading system |
| CN111768607A (en) * | 2020-06-24 | 2020-10-13 | 浪潮电子信息产业股份有限公司 | Multi-table counting data acquisition method, device, equipment and medium |
| CN112669584A (en) * | 2020-12-04 | 2021-04-16 | 上海昂极仪表科技有限公司 | Portable multi-functional thing networking terminal |
| CN114885231A (en) * | 2022-05-06 | 2022-08-09 | 北京广元科技有限公司 | Communication protocol self-adaptive signal acquisition method, system, terminal and medium |
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