CN109413217A - A kind of agricultural internet of things data means of communication - Google Patents
A kind of agricultural internet of things data means of communication Download PDFInfo
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- CN109413217A CN109413217A CN201811650873.1A CN201811650873A CN109413217A CN 109413217 A CN109413217 A CN 109413217A CN 201811650873 A CN201811650873 A CN 201811650873A CN 109413217 A CN109413217 A CN 109413217A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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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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Abstract
The present invention provides a kind of agriculture internet of things data means of communication, comprising: a host computer and several Wireless detection modules, host computer is for sending initialization command, initiation parameter, wirelessly transmitting data and being shown；Wireless detection module, including data acquisition unit and wireless transmission unit detect Atmosphere temp.and RH, soil temperature and humidity, illuminance, CO respectively2Concentration parameter.Address block, data block, information about power block, request block, command block, the request number of times and information about power, real-time adjustment priority state that host computer is sent according to Wireless detection module are devised, and then dynamic adjusts communication order, ensure that the reliability of communication.In order to distinguish each communication block, it is provided with type section, effectively promotes the efficiency of multi computer communication.The present invention realizes simply, meets the needs of practical application.
Description
Technical field
The present invention relates to a kind of agriculture internet of things data means of communication.
Background technique
China is agricultural production big country, and agricultural is the basic of national economy, and agricultural has object multiplicity, dispersion, region wide
The features such as wealthy, therefore the acquisition of in most cases agricultural data information is extremely difficult.With the quick hair of technology of Internet of things
Exhibition, is applied and is had broad application prospects in agricultural system.It can be with effectively save manpower by agriculture technology of Internet of things
Resource simultaneously reduces influence of the people to farm environment, and substance environment and Crop Information are accurately made in acquisition.Many reading intelligent agriculture Internet of Things
Data transmission and processing mode be suggested, such as a kind of active induction type agricultural Internet of Things depth routing network-building method (application
Number 201210226306.X), the methods (application number 201510563417.3) of a variety of data transmission of agriculture Internet of Things and processing.By
It is typical multi computer communication in agriculture Internet of Things, and electricity serious system for restricting working time of detection module, how effectively mentions
Rise communication efficiency and reliability still urgent problem to be solved.
Summary of the invention
The shortcomings that in view of the prior art, the purpose of the present invention is to provide a kind of agriculture internet of things data means of communication,
It include: a host computer and several Wireless detection modules, the host computer is for sending initialization command, initiation parameter, wireless
Transmission data are simultaneously shown；Wireless detection module detects Atmosphere temp.and RH, soil temperature and humidity, illuminance, CO respectively2Concentration
Parameter, the Wireless detection module include data acquisition unit and wireless transmission unit, the data acquisition unit and the nothing
The connection of line transmission unit, each Wireless detection module are only communicated with host computer.
Address block, data block, information about power block, request block, life are used in Wireless detection module and host computer communication process
Block is enabled, host computer determines Wireless detection module order of transmission, sends command block, notice Wireless detection module sends data, upper
Machine determines order of transmission method are as follows: order=priority state/wireless module number.
Priority state determines that same information request number increases by one according to Wireless detection module information about power and request number of times
Secondary, priority state going up one level, charge level reduces level-one, and priority state rises second level.
Preferably, address block, data block, information about power are used in the Wireless detection module and host computer communication process
Block, request block, command block, each piece of containing type section, for distinguishing various pieces of type, and each piece of setting start bit.
Preferably, priority state number and charge level number are actually needed according to system designs.
Preferably, when charge level is minimum, the direct priority state of the Wireless detection module is adjusted to highest.
In conclusion the present invention proposes that a kind of agriculture internet of things data means of communication devise address for multi computer communication
Block, data block, information about power block, request block, command block send request number of times and information about power by Wireless detection module, real
When adjust priority state, and then dynamic adjust communication order, ensure that the reliability of communication.In order to distinguish each communication block, it is arranged
Type section effectively promotes the efficiency of multi computer communication.
Detailed description of the invention
Fig. 1 is the block diagram of the embodiment of the present invention.
Fig. 2 is the communication flow figure of the embodiment of the present invention.
Fig. 3 is the data block figure of the communication of the embodiment of the present invention.
Fig. 4 is the priority state figure of the embodiment of the present invention.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Disclosed content is implemented easily.
This provides a kind of agriculture internet of things data means of communication, and the block diagram of the embodiment of the present invention is as shown in Figure 1,1 table in figure
Show host computer, 2,3,4 indicate Wireless detection module, and 11 be the wireless communication unit of host computer communication, and 21,31,41 be that data are adopted
Collect unit, it is main to complete detection Atmosphere temp.and RH, soil temperature and humidity, illuminance, CO2The parameters such as concentration, 22,32,42 be wireless
Communication unit, data acquisition unit are connect with the wireless transmission unit, and each Wireless detection module is only communicated with host computer.It is real
Applying example includes: a host computer and three Wireless detection modules, communication flow figure as shown in Fig. 2, host computer sends initialization command,
After the completion of three Wireless detection module initialization, Atmosphere temp.and RH, soil temperature and humidity, illuminance, CO are detected2The parameters such as concentration,
Position machine sends address block, request block, information about power block then up.Host computer calculates hair according to request block and information about power block
Order is sent, according to order of transmission, sends address block, command block, notice Wireless detection module sends data.The data block of communication is such as
Shown in Fig. 3, each piece of containing type section, for distinguishing various pieces of type, each piece of setting start bit, other block structure classes
Seemingly.Host computer determines order of transmission method are as follows: order=priority state/wireless module number.
Priority state number and charge level number are actually needed according to system to be designed, when charge level is minimum, by the inspection
It surveys the direct priority state of module and is adjusted to highest.The priority state of the embodiment of the present invention it is assumed that priority state have 001,
010,011,100,101,110,111.The information about power and request number of times that priority state is issued according to Wireless detection module determine,
Same information request number increases primary, priority state going up one level, as shown in solid arrow in Fig. 4.Charge level reduces by one
Grade, priority state rises second level, as shown in dotted arrow in Fig. 4.
For a further understanding of above-mentioned calculating order of transmission method, the order method is further described below:
Assuming that system needs to send data there are three Wireless detection module, three Wireless detection modules send request respectively
Block, information about power block, each module request number is 1 at this time, it is assumed that information about power is 3 grades of abundances, at this time three radio detections
The priority state of module is 001, is numbered at this time according to order=priority state/wireless module, calculates separately to obtain 2,3, No. 4
Wireless detection module order is respectively 001/2,001/3,001/4, and host sends address block, command block to Wireless detection module 2,
It allows Wireless detection module 2 to send data block, completes first time data and send.
Second of 2,3, No. 4 Wireless detection module sends request block, information about power block, each Wireless detection module order again
It calculates as follows:
No. 2 Wireless detection module request number of times are 1, and information about power is 3 grades of abundances, and priority state is 001, order=excellent
First grade state/wireless module number=001/2；
No. 3 Wireless detection module request number of times are 2, and information about power is 2 grades common, and priority state is 100, order=excellent
First grade state/wireless module number=100/3；
No. 4 Wireless detection module request number of times are 2, and information about power is 3 grades of abundances, and priority state is 011, order=excellent
First grade state/wireless module number=011/4；
Then No. 3 Wireless detection module order highests, host send address block, command block to Wireless detection module 3, allow at this time
Wireless detection module 3 sends data block, completes second of data and sends.
2,3, No. 4 Wireless detection modules send request block, information about power block, each Wireless detection module order again for the third time
It calculates as follows:
No. 2 Wireless detection module request number of times are 2, and information about power is 2 grades common, and priority state is 100, order=excellent
First grade state/wireless module number=100/2；
No. 3 Wireless detection modules are without request；
No. 4 Wireless detection module request number of times are 3, and information about power is 2 grades common, and priority state is 101, order=excellent
First grade state/wireless module number 101/4；
Then No. 2 Wireless detection module order highests, host send address block, command block to Wireless detection module 2, allow at this time
Wireless detection module 2 sends data block, completes third time data and sends.
4th 2,3, No. 4 Wireless detection modules send request block, information about power block, each Wireless detection module order again
It calculates as follows:
No. 2 Wireless detection modules are without request；
No. 3 Wireless detection modules are without request；
No. 4 Wireless detection module request number of times are 4, and information about power is 2 grades common, and priority state is 110, order=excellent
First grade state/wireless module number=110/4；
Then No. 4 Wireless detection module order highests, host send address block, command block to Wireless detection module 4, allow at this time
Wireless detection module 4 sends data block, completes the 4th data and sends.Epicycle communication terminates.
In conclusion the present invention proposes that a kind of agriculture internet of things data means of communication devise address for multi computer communication
Block, data block, information about power block, request block, command block send request number of times and information about power by Wireless detection module, real
When adjust priority state, and then dynamic adjust communication order, ensure that the reliability of communication.In order to distinguish each communication block, it is arranged
Type section effectively promotes the efficiency of multi computer communication.The present invention effectively overcomes various shortcoming in the prior art and has height
Value of industrial utilization.
Claims (4)
1. a kind of agricultural internet of things data means of communication characterized by comprising a host computer, the host computer is for sending
Initialization command, initiation parameter, wirelessly transmitting data are simultaneously shown；
Several Wireless detection modules detect Atmosphere temp.and RH, soil temperature and humidity, illuminance, CO respectively2Concentration parameter, it is described wireless
Detection module includes data acquisition unit and wireless transmission unit, and the data acquisition unit and the wireless transmission unit connect
It connects, each Wireless detection module is only communicated with host computer；
Address block, data block, information about power block, request block, command block are used in Wireless detection module and host computer communication process,
Host computer determines Wireless detection module order of transmission, sends command block, and notice Wireless detection module sends data, and host computer determines
Order of transmission method are as follows: order=priority state/wireless module number；
Priority state determines that same information request number increases by one according to the information about power and request number of times of Wireless detection module
Secondary, priority state going up one level, charge level reduces level-one, and priority state rises second level.
2. the agricultural internet of things data means of communication according to claim 1, it is characterised in that: the Wireless detection module
With in host computer communication process use address block, data block, information about power block, request block, command block, each piece of containing type
Section, for distinguishing various pieces of type, and each piece of setting start bit.
3. the agricultural internet of things data means of communication according to claim 1, it is characterised in that: priority state number and electricity
Number of levels is actually needed according to system and designs.
4. the agricultural internet of things data means of communication according to claim 1, it is characterised in that:, will when charge level is minimum
The direct priority state of the Wireless detection module is adjusted to highest.
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| CN201811650873.1A CN109413217B (en) | 2018-12-31 | 2018-12-31 | Agricultural Internet of things data communication method |
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| CN201811650873.1A CN109413217B (en) | 2018-12-31 | 2018-12-31 | Agricultural Internet of things data communication method |
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| CN109413217B CN109413217B (en) | 2021-06-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112133072A (en) * | 2020-09-23 | 2020-12-25 | 中国兵器工业集团第二一四研究所苏州研发中心 | Test system and test method for LoRa wireless data acquisition device |
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