CN102636219B - Embedded crop growth environment information collection instrument and working method - Google Patents
Embedded crop growth environment information collection instrument and working method Download PDFInfo
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Abstract
The invention relates to an embedded crop growth environment information collection instrument, and the embedded crop growth environment information collection instrument comprises a collection part, a conditioning part, a data processing part, a communication part and a storage part, which are mutually electrically connected, wherein the communication part comprises a plurality of data transmission interfaces, namely a USB (universal serial bus) bus interface, a BlueTooth bus interface and an RS (recommended standard) 485 bus interface; the BlueTooth bus interface is realized by a driver BTA10 and specifically realized by the design of combining an interface piece with a toggle switch; and the storage part comprises a nonvolatile electrically erasable data memory AT24C256. A working method based on the embedded crop growth environment information collection instrument comprises the steps of power-up start, initialization of parts, start of BlueTooth communication, command parsing, parameter setting, mode setting, writing of data into a storage space and data communication. The embedded crop growth environment information collection instrument disclosed by the invention can be used on any mobile phone or any intelligent terminal for realizing the functions of visual display of field data and instant measurement and data acquisition; and furthermore, the working method has the advantages of simple steps and convenience in use, and can reflect growth and health status of crops in a real-time manner.
Description
Technical field
The present invention relates to crop growth environment information acquisition field, particularly embedded crop growth environment information acquiring instrument and method of work.
Background technology
Modernization precision agriculture need to comprehensively gather the environmental information that affects crop growth, to understand and grasp the state of crop growth environment, and by processing and analysis to measured signal, quantitatively identify the state of crop growth environment in conjunction with the historic state of surveyed object, thereby obtain the top condition that regulates agricultural product growth.
In existing patented technology, there are the device or the instrument that detect for crop growth information of multiple design, the patent No. be CN100453977C's " embedded type detecting instrument for agricultural plant growth environment and method of work thereof ", " monitoring device of a kind of farm environment " that " carrying out quick method and the system of information interaction with bluetooth equipment " that publication number is CN101511066A and the patent No. are CN101216482B etc.Look into newly through retrieval, the patent that wherein patent No. is CN100453977C is immediate patented technology.This disclosure of the invention embedded type detecting instrument for agricultural plant growth environment and method of work thereof, input block is sensing element, contains temperature, humidity, flow rate of liquid, plant stem diameter, plant growth height, consistency of soil and soil acidity or alkalinity multiple sensors; Microcomputer is embedded components, is made up of, for the analog electric signal of sensor element output is converted to digital quantity and it is processed analog to digital converter and single-chip microcomputer; Output block is that data transmission interface is for being sent to display unit or host computer by digital quantity signal after treatment embedded components; Method of work comprises information and the output result of receiving sensor agricultural plant growth environment, storage, demonstration and the data analysis processing of terminal part data.The present invention is simple in structure, and sensor technology is used for to obtaining of Agricultural Information, can reflect the growth conditions of crops etc. objective and accurately, for the scientific rationality of the measures such as judgement irrigation, fertilising provides basis.
CN100453977C patent specifically discloses a kind of embedded type detecting instrument for agricultural plant growth environment and method of work thereof, the input, the output block that specifically comprise microcomputer and be electrically connected with it, and realize the information of receiving sensor agricultural plant growth environment and export result, storage, demonstration and the data analysis processing of terminal part data.
After above-mentioned prior art is analyzed, inventor finds that prior art exists following weak point:
One, existing crop growth information detects device or instrument are to complete the collection to crop information by sensor, but the sensor adopting is single electric type, adopt amperometric sensor or voltage sensor, and access that cannot supporting bus type sensor, as RS232 bus-type sensor, RS485 bus-type sensor.
Two, the device that existing crop growth information detects or instrument to the crop information collecting all by wired or wireless mode, transfer to remote control terminal or far-end observation interface, and on-the-spot fieldwork personnel, or agricultural planting family but cannot directly obtain the data of collection in worksite, thereby device or instrument that existing various crop growth information is detected seriously depart from agricultural production immediate interest partaker;
Three, mailing address and speed that the device that existing crop growth information detects or instrument adopt are fixing, allow to amendment, the process of amendment is also very complicated and professional, thereby makes dirigibility and the configurability of device that existing crop growth information detects or instrument inadequate;
Four, existing crop growth information detects device or instrument adopt customizations modular design, function singleness, and whole device volume is larger, adopts immobilization mounting means, and needs professional person to instruct installation.And in practice, agrotechnique expert needs one can provide portable to gather, and there is device or the instrument of " with surveying with walking " function.
Summary of the invention
Technical matters to be solved by this invention is that object is: solve the device of crop growth information detection in above-mentioned prior art or the weak point of instrument, development is a kind of simple in structure, dynamic state of parameters configuration, support traverse measurement, can science be provided and directly produce planting information and instruct, embedded crop growth environment information acquiring instrument and method of work easy to use for agriculture site work personnel.
Technical scheme of the present invention is: a kind of embedded crop growth environment information acquiring instrument, comprises acquisition component, conditioning parts, data processor, communication component and the memory unit of mutual electrical connection.
Described acquisition component comprises eight kinds of dissimilar analog sensors, is respectively air temperature sensor, air humidity sensor, intensity of illumination sensor, CO
2concentration sensor, soil temperature sensor, soil humidity sensor, soil meterological condition sensor and crops color sensor, for being converted to the growing environment physical quantity information of greenhouse corps the electric signal of analog quantity.
Described conditioning parts comprise eight precision instrument amplifier INA326, eight trimmable resistances and eight ceramic condensers, wherein eight trimmable resistances and eight Low-Pass Filter wave filters of eight ceramic condenser electrical connection compositions; Eight kinds of dissimilar sensors in information acquisition parts are electrically connected with eight precision instrument amplifier INA326 respectively, eight precision instrument amplifier INA326 are electrically connected with eight Low-Pass Filter wave filters respectively again, realize the output of analog sensor signal, accurately amplification and filtering.
Described data processor comprises analog to digital converter AD7949 and single-chip microcomputer C8051F320, input port CH1, CH2, CH3, CH4, CH5, CH6, CH7 and the CH8 of analog to digital converter AD7949 is electrically connected respectively on the output port of eight Low-Pass Filter wave filters in conditioning module, for receiving the analog electric signal after amplification and low-pass filtering treatment; Data address bus port 22,23,24 pin of data address bus port one 2,13, the 14 pin electrical connections single-chip microcomputer C8051F320 of analog to digital converter AD7949, for selecting data after eight tunnel analog input Zhong mono-roads and transmission process; The control port pin of single-chip microcomputer C8051F320 selects port to be electrically connected with the sheet of analog to digital converter AD7949, for selecting analog to digital converter AD7949 and starting analog to digital converter AD7949.
Particularly: described communication component comprises multiple data transmission interfaces, be respectively usb bus interface, BlueTooth bus interface, RS485 interface, wherein communication port 4,5 pin of usb bus interface electrical connection single-chip microcomputer C8051F320.
BlueTooth bus interface is realized by driver BTA10, specifically realizes by mouthpiece and toggle switch combination design.
In mouthpiece is connected with toggle switch combination circuit, pin port L0～L1 of single-chip microcomputer C8051F320 is electrically connected respectively successively with the pin port P0 of driver BTA10～P1, pin port L2～L11 of single-chip microcomputer C8051F320 is electrically connected respectively successively with the input port of switch arrays device SP1, the output port of switch arrays device SP1 is electrically connected respectively successively with pin port P2～P11 of driver BTA10, bus port S1～S8 of single-chip microcomputer C8051F320 is electrically connected respectively successively with bus port U0～U7 of driver BTA10, pin port P2～P5 of driver BTA10 is electrically connected respectively successively with the input pin of toggle switch SW2 1～4, pin port P6～P11 of driver BTA10 is electrically connected respectively successively with the input pin of toggle switch SW1 1～6, the output pin 7～12 of toggle switch SW1 is connected with ground end respectively successively, the output pin 5～8 of toggle switch SW2 is connected with ground end respectively successively.
Pin port L0～L1 of single-chip microcomputer C8051F320 is electrically connected respectively successively with the pin port P0 of driver BTA10～P1, being used for arranging embedded crop growth environment information acquiring instrument is Host Status or slave status in BlueTooth communication, pin port L2～L11 of single-chip microcomputer C8051F320 is electrically connected with pin port P2～P11 of driver BTA10 respectively successively by switch arrays device SP1, or pin port P2～P11 of driver BTA10 is respectively at toggle switch SW1, SW2 is electrically connected successively, send command parameter or manually on-the-fly modify communication port address and the traffic rate of collector in BlueTooth communication according to user, to adapt under different mobile phones or intelligent terminal and varying environment, set up the requirement that quick and stable BlueTooth communicates by letter.
RS485 bus interface is by communication port 31,32 pin of communication port 1, the 4 pin electrical connection single-chip microcomputer C8051F320 of driver MAX485E.
Described memory unit 5 comprises non-volatile electrically erasable data storer AT24C256, the page of non-volatile electrically erasable data storer AT24C256 is selected port 3, 4 and data bus port 5, 6 pin respectively with the pin port 17 of single-chip microcomputer C8051F320, 18 pin and data bus port 19, 20 electrical connections, wherein, the page is selected port 3, 4 pin are realized the memory page of non-volatile electrically erasable data storer AT24C256 are selected, altogether can select four memory pages, the page anchor of the first memory page and the second memory page is designated as the attribute page, the page anchor of the 3rd memory page and the 4th memory page is designated as information page, the storage space of each page is 64KB, the data bus port 5 of memory unit 5, 6 heels are according to the memory page of selecting and page anchor note, complete dissimilar data transmission and storage, thereby realize to non-volatile electrically erasable data storer AT24C256 designated store page data writing, or from the function of non-volatile electrically erasable data storer AT24C256 designated store page reading out data.By writing to on-the-spot fieldwork personnel of crops field data after treatment of storage, or the reading of the configuration information of agricultural planting family to Acquisition Instrument of the present invention, to realize the data acquisition function of one " with surveying with walking ".
Usb bus interface, BlueTooth bus interface and RS485 bus interface are the access of bus output type sensor according to application scenarios requirements set, for processing and analysis to the access of bus output type sensor, wherein pass through embedded crop growth environment information acquiring instrument and on-the-spot fieldwork personnel as the BlueTooth bus interface of wireless communication interface, or the mobile phone at agricultural planting family carries out wireless connections, corresponding display interface is installed and is set up data communication, realize the demonstration directly perceived of field data and check, and show result according to the data of Real-time Collection, judge and understand growth situation and the health status of on-the-spot crops.
Described communication component comprises multiple data transmission interfaces, is respectively usb bus interface, BlueTooth bus interface, RS485 bus interface, or is RS232 interface, infrared interface, Ethernet interface;
In described data processor, the conversion accuracy of analog converter AD7949 is 14 bit resolutions;
In described mouthpiece, switch arrays device SP1 inside is made up of 10 single-way switch C1～C10, and the switchtype of employing is solid-state contact switch.
A kind of method of work of embedded crop growth environment information acquiring instrument, comprise the collection of crop growth environment Information Field, on-the-spot mobile phone pairing, data communication, save data and transmit data or return to answer signal to on-the-spot fieldwork personnel, or the mobile phone at agricultural planting family, particularly this method of work step is:
A, electrifying startup: the working environment of setting up embedded crop growth environment information acquiring instrument;
B, parts initialization: comprise the initialization of acquisition component, conditioning parts, data processor, communication component and memory unit;
C, startup BlueTooth communication: embedded crop growth environment information acquiring instrument is by BlueTooth communication port address and the traffic rate of acquiescence, set up BlueTooth data link with mobile phone or intelligent terminal, carry out command interaction and complete further setting;
D, command analysis: embedded crop growth environment information acquiring instrument receives and analyze by BlueTooth bus interface the order that mobile phone sends, and complete according to order that parameter communication speed and communication port address arrange, pattern setting;
E, parameter setting: judge whether to carry out parameter setting: if, parameter configuration: embedded crop growth environment Information Field Acquisition Instrument is according to the new configuration information of mobile phone or intelligent terminal transmission, comprise new communication port address and traffic rate are set, after setting completes, configuration information is deposited in the property store page of embedded crop growth environment Information Field Acquisition Instrument inside, be enabled in new communications channel address simultaneously and on traffic rate, carry out BlueTooth with mobile phone or intelligent terminal and communicate by letter; If not, default parameters configuration;
F, default parameters configuration: in the time that mobile phone or intelligent terminal do not send parameter configuration order, in embedded crop growth environment Information Field Acquisition Instrument reading attributes memory page, the default configuration data of storage complete the setting to communication port address and traffic rate, and after configuration completes, be enabled in the communication port address of acquiescence and on traffic rate, carry out BlueTooth with mobile phone or intelligent terminal and communicate by letter;
G, pattern setting: judge whether to enter pattern setting: if, local storage, if not, real-time Transmission;
H, data write storage space: in the time being operated in local storage, embedded crop growth environment information acquiring instrument, by the data writing information memory page of storage, is realized " with surveying with walking " and off line data analysis;
I, data communication: in the time being operated in real-time Transmission, embedded crop growth environment Information Field Acquisition Instrument and mobile phone or intelligent terminal are set up data communication, realize data transmission, and carry out Drawing of Curve on the display screen of mobile phone or intelligent terminal, show the environmental information of crop growth.
The invention has the beneficial effects as follows:
The embedded crop growth environment information acquiring instrument of the present invention, comprises the acquisition component of electrical connection, conditioning parts, data processor, communication component and memory unit.Wherein:
In communication component, comprise multiple data transmission interfaces, comprise usb bus interface, BlueTooth bus interface and RS485 bus interface.Usb bus interface, BlueTooth bus interface and RS485 bus interface can be the access of bus output type sensor according to application scenarios requirements set, for processing and analysis to the access of bus output type sensor.By the multiple bus interface of communication component, digital quantity signal after treatment data processor is sent to field apparatus or display unit, facilitate on-the-spot fieldwork personnel or agricultural planting family to obtain in real time the information of collection.
BlueTooth bus interface is realized by driver BTA10, specifically realize by mouthpiece and toggle switch SW1, SW2 composite design, pin port L0～L1 of single-chip microcomputer C8051F320 is electrically connected respectively continuously with the pin port P0 of driver BTA10～P1, is Host Status or slave status for embedded crop growth environment information acquiring instrument is set in BlueTooth communication; Pin port L2～L11 of single-chip microcomputer C8051F320 is electrically connected with pin port P2～P11 of driver BTA10 respectively continuously by switch arrays device SP1, or pin port P2～P11 of driver BTA10 respectively with toggle switch SW1, SW2 is electrically connected successively.Command parameter or manual communication port address and the traffic rate of revising dynamically collector in BlueTooth communication that the connected mode of said structure can make data processor send according to user, to adapt under different mobile phones or intelligent terminal and varying environment, set up the requirement that quick and stable BlueTooth communicates by letter, thereby utilizing very easily embedded crop growth environment information acquiring instrument provided by the invention to realize measures the networking of land for growing field crops environment, especially multiple embedded crop growth environment information acquiring instruments with different communication channel address can carry out data communication with same mobile phone or intelligent terminal simultaneously, greatly simplify the process of measuring, crop growth environment information more comprehensively is also provided simultaneously.
Switch arrays device SP1, toggle switch SW1 provide with the combination of toggle switch SW2 two kinds on-the-fly modify BlueTooth communicate by letter in the communication port address of collector and the mode of traffic rate, switch arrays device SP1 provides a kind of program automatically to revise communication port address and the traffic rate of collector in BlueTooth communication; Toggle switch SW1 and the combination of toggle switch SW2 provide a kind of manual modification BlueTooth communicate by letter in communication port address and the traffic rate of collector, these two kinds of modes, in actual acquisition device is disposed, provide the communication port address and the traffic rate that on-the-fly modify very flexibly collector in BlueTooth communication.For example, in the time utilizing embedded crop growth environment information acquiring instrument provided by the invention to carry out networking measurement, can utilize switch arrays device SP1 that pin port L2～L11 of single-chip microcomputer C8051F320 and pin port P2～P11 of driver BTA10 are directly electrically connected, realize a kind of program and automatically revise communication port address and traffic rate, thereby save the layoutprocedure of whole parameter, and in the time utilizing the embedded crop growth environment information acquiring instrument of the present invention provided by the invention to carry out spot measurement, can directly realize a kind of manual modification communication port address and traffic rate with the combination of toggle switch SW1 and toggle switch SW2, there is directly perceived and feature easily.
Memory unit comprises non-volatile electrically erasable data storer AT24C256, is used for storing crops field data and on-the-spot fieldwork personnel after treatment, or the configuration information of agricultural planting family to embedded crop growth environment information acquiring instrument.Particularly, in order to realize the effective storage administration to above-mentioned information data, memory unit comprises non-volatile electrically erasable data storer AT24C256.
Embedded crop growth environment information acquiring instrument, by the storage space of AT24C256 is carried out to page management, is realized respectively the Fragmentation to crops field data and Acquisition Instrument configuration information.Its electric connection structure is: the page of non-volatile electrically erasable data storer AT24C256 selects port 3,4 and data bus port 5,6 pin to be electrically connected with pin port 17,18 pin and the data bus port 19,20 of single-chip microcomputer C8051F320 respectively.Wherein, the page selects port 3,4 pin realizations to select the memory page of non-volatile electrically erasable data storer AT24C256, altogether can select four memory pages, the page anchor of the first memory page and the second memory page is designated as the attribute page, the page anchor of the 3rd memory page and the 4th memory page is designated as information page, and the storage space of each page is 64KB.
Data bus port 5,6 heels of memory unit are according to the memory page of selecting and page anchor note, complete dissimilar data transmission and storage, thereby realize to non-volatile electrically erasable data storer AT24C256 designated store page data writing or from the function of non-volatile electrically erasable data storer AT24C256 designated store page reading out data.By writing to on-the-spot fieldwork personnel of storage crops field data after treatment, or the reading of the configuration information of agricultural planting family to embedded crop growth environment information acquiring instrument, to realize the data acquisition function of one " with surveying with walking ", facilitate on-the-spot fieldwork personnel or agricultural planting family information data to file and domain expert's off line data analysis.
The method of work of embedded crop growth environment information acquiring instrument, based on embedded crop growth environment information acquiring instrument, comprise that electrifying startup, parts initialization, startup BlueTooth communication, command analysis, parameter setting, pattern setting, data write storage area and data communication.The method step is simple, easy to use, can on mobile phone or intelligent terminal, use arbitrarily, directly realize crop growth environment communication to on-the-spot fieldwork personnel, or in the mobile phone of agricultural planting family, to show result according to the data of Real-time Collection, judge, learn and understand growth situation and the health status of on-the-spot crops; Growth situation and the health status of the on-the-spot crops of real-time reflection, be that judgement is irrigated, fertilising, and the scientific rationality of the measures such as preventing disease and pest and the field crop Cultivate administration that becomes more meticulous provides basis.
Brief description of the drawings
Fig. 1 is the hardware configuration schematic diagram of embedded crop growth environment Information Field Acquisition Instrument;
Fig. 2 is mouthpiece and toggle switch combination circuit connection schematic diagram in embedded crop growth environment Information Field Acquisition Instrument;
Fig. 3 is switch arrays device SP1 schematic internal view in embedded crop growth environment Information Field Acquisition Instrument mouthpiece;
Fig. 4 is the program flow diagram of embedded crop growth environment Information Field Acquisition Instrument method of work.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is described in further detail.
Fig. 1 is the hardware configuration schematic diagram of embedded crop growth environment Information Field Acquisition Instrument; Hardware configuration of the present invention is mainly by acquisition component 1, conditioning parts 2, data processor 3, communication component 4, mouthpiece 41 and memory unit 5 five part compositions.
Acquisition component 1 contains air temperature sensor 11, air humidity sensor 12, intensity of illumination sensor 13, CO
2concentration sensor 14, soil temperature sensor 15, soil humidity sensor 16, soil meterological condition sensor 17 and crops color sensor 18, for being converted to the growing environment physical quantity information of greenhouse corps the electric signal of analog quantity.
Conditioning parts 2 are by eight precision instrument amplifier INA326, eight trimmable resistances and eight ceramic condenser compositions, realize accurate amplification and the filtering of analog sensor output signal, each analog sensor interface configures the analog sensor signal condition parts of this passage targetedly;
Wherein the input port of eight precision instrument amplifier INA326 connects respectively air temperature sensor 11, air humidity sensor 12, intensity of illumination sensor 13, CO
2concentration sensor 14, soil temperature sensor 15, soil humidity sensor 16, soil meterological condition sensor 17 and crops color sensor 18, for realizing respectively the accurate amplification processing that the analog electric signal that each sensor is sent here carries out 10～10000 times, so that the analog electric signal after amplification can enough be gathered and transmit;
Wherein eight trimmable resistances and eight Low-Pass Filter wave filters of eight common compositions of ceramic condenser, be used for respectively to the air temperature sensor 11 after amplifying, air humidity sensor 12, intensity of illumination sensor 13, CO2 concentration sensor 14, soil temperature sensor 15, soil humidity sensor 16, the output analog electrical signal of soil meterological condition sensor 17 and crops color sensor 18 carries out filtering processing, to reduce the interference of extraneous medium-high frequency signal to useful analog electrical signal, particularly eight Low-Pass Filter wave filters can carry out the selection of low-pass cut-off frequencies by eight trimmable resistances, for air temperature sensor 11, air humidity sensor 12, intensity of illumination sensor 13, CO2 concentration sensor 14, soil temperature sensor 15, soil humidity sensor 16, the output analog electrical signal spectrum signature of soil meterological condition sensor 17 and crops color sensor 18, carries out respectively low-pass cut-off frequencies on-line setup and adjusting, fully to obtain accurate output analog electrical signal.
Data processor 3 is embedded components, is specifically made up of analog to digital converter AD7949 and single-chip microcomputer C8051F320, converts digital quantity to and it is processed for the analog electric signal that conditioning parts 2 are exported.Particularly, data processor 3 can achieve a butt joint into the detection of sensor output type, and the sensor that judges current access is single electric output type sensor or bus output type sensor.
Input port CH1, CH2, CH3, CH4, CH5, CH6, CH7 and the CH8 of analog to digital converter AD7949 is electrically connected respectively in the corresponding output port of conditioning parts 2, for receiving the analog electric signal after amplification and low-pass filtering treatment.
Data address bus port 22,23,24 pin of data address bus port one 2,13, the 14 pin electrical connection single-chip microcomputer C8051F320 of analog to digital converter AD7949, for selecting the transmission of eight tunnel analog input Zhong mono-roads and the rear data of processing.
Analog converter AD7949 can realize the conversion accuracy of 14 bit resolutions, for precision agricultural planting demand and agriculture specialist system reasoning demand provide accurate agriculture field data.
The control port pin 26 of single-chip microcomputer C8051F320 selects port one 1 to be electrically connected with the sheet of analog to digital converter AD7949, starts working for selecting analog to digital converter AD7949 and starting analog to digital converter AD7949.
Communication component 4 is data transmission interface, specifically comprises usb bus interface, BlueTooth bus interface and RS485 bus interface, for digital quantity signal after treatment data processor 3 is sent to field apparatus or demonstration.
Usb bus interface can be directly electrically connected and be fetched realization by communication port 4,5 pin of single-chip microcomputer C8051F320.
BlueTooth bus interface is realized by driver BTA10, specifically realizes by mouthpiece 41 and toggle switch SW1, SW2 composite design;
RS485 bus interface is realized by driver MAX485E, is specifically electrically connected and is fetched realization by communication port 31,32 pin of driver MAX485E communication port 1,4 pin and single-chip microcomputer C8051F320; Wherein, BlueTooth bus interface can directly realize Acquisition Instrument of the present invention and be connected with mobile phone or the intelligent terminal at on-the-spot fieldwork personnel or agricultural planting family, and set up data communication, by fieldwork personnel at the scene, or corresponding display interface is installed on the mobile phone at agricultural planting family, can realize the demonstration directly perceived of field data, thereby facilitate on-the-spot fieldwork personnel, or agricultural planting family is checked, and show result according to the data of Real-time Collection, judge, learn and understand growth situation and the health status of on-the-spot crops;
Further, BlueTooth bus interface can be by special mouthpiece 41 and toggle switch SW1, SW2 combination, realize the dynamic change to communication port address and traffic rate in BlueTooth communication, thereby can utilize very easily Acquisition Instrument provided by the invention to realize measures the networking of land for growing field crops environment, particularly: multiple Acquisition Instruments with different communication channel address can carry out data communication with a mobile phone simultaneously, greatly simplify the process of measuring, crop growth environment information more comprehensively is also provided simultaneously.
Wherein, usb bus interface, BlueTooth bus interface and RS485 bus interface can be the access of bus output type sensor according to application scenarios requirements set, be specially usb bus type sensor input interface, BlueTooth bus-type sensor input interface and RS485 bus-type sensor input interface are provided, to realize processing and the analysis to the access of bus output type sensor.
Memory unit 5 is data storage device, specifically can clash data-carrier store AT24C256 by non-volatile electricity forms, for storing crops field data and on-the-spot fieldwork personnel after treatment, or the configuration information of agricultural planting family to Acquisition Instrument of the present invention, to realize the data acquisition function of one " with surveying with walking ".Particularly, in order to realize the effective storage administration to above-mentioned information data, Acquisition Instrument provided by the invention, by the storage space of AT24C256 is carried out to page management, is realized respectively the Fragmentation to crops field data and Acquisition Instrument configuration information.
The page of non-volatile electrically erasable data storer AT24C256 selects port 3,4 and data bus port 5,6 pin to be electrically connected with pin port 17,18 pin and the data bus port 19,20 of single-chip microcomputer C8051F320 respectively; Wherein, the page selects port 3,4 pin realizations to select the memory page of AT24C256.Altogether can select four memory pages, the page anchor of the first memory page and the second memory page is designated as the attribute page, the page anchor of the 3rd memory page and the 4th memory page is designated as information page, the storage space of each page is 64KB, data bus port 5, 6 pin are according to the memory page of selecting and page anchor note, complete dissimilar data transmission and storage, thereby realize to non-volatile electrically erasable data storer AT24C256 designated store page data writing, or from the function of non-volatile electrically erasable data storer AT24C256 designated store page reading out data.For example, in non-volatile electrically erasable data storer AT24C256 the first memory page data writing process, first the page selects port 3,4 pin to select the first memory page, page anchor is designated as the attribute page, then data bus port 5,6 pin are to the first memory page data writing, and the data type writing is that page anchor is remembered the attribute page indicating, the i.e. configuration information of Acquisition Instrument.
Fig. 2 is mouthpiece and toggle switch combination circuit connection schematic diagram in embedded crop growth environment Information Field Acquisition Instrument; In Fig. 2, BlueTooth bus interface is realized by driver BTA10, specifically realizes by mouthpiece 41 and toggle switch SW1, SW2 composite design.Wherein mouthpiece 41 and toggle switch combination physical circuit connected mode are: pin port L0～L1 of single-chip microcomputer C8051F320 is electrically connected respectively successively with the pin port P0 of driver BTA10～P1, pin port L2～L11 of single-chip microcomputer C8051F320 is electrically connected respectively successively with the input port of switch arrays device SP1, the output port of switch arrays device SP1 is electrically connected respectively successively with pin port P2～P11 of driver BTA10, bus port S1～S8 of single-chip microcomputer C8051F320 is electrically connected respectively successively with bus port U1～U8 of driver BTA10, pin port P2～P5 of driver BTA10 is electrically connected respectively successively with the input pin of toggle switch SW2 1～4, pin port P6～P11 of driver BTA10 is electrically connected respectively successively with the input pin of toggle switch SW1 1～6, the output pin 7～12 of toggle switch SW1 is connected with ground end respectively, the output pin 5～8 of toggle switch SW2 is connected with ground end respectively.
Pin port L0～L1 of single-chip microcomputer C8051F320 and pin port P0～P1 of driver BTA10 respectively successively electrical connection act as that Acquisition Instrument is set is Host Status or slave status in BlueTooth communicates by letter, pin port L2～L11 of single-chip microcomputer C8051F320 is electrically connected with pin port P2～P11 of driver BTA10 respectively successively by switch arrays device SP1, or pin port P2～P11 of driver BTA10 is respectively at toggle switch SW1, the effect that SW2 is electrically connected is successively: the command parameter sending according to user or manually come to revise dynamically communication port address and the traffic rate of collector in BlueTooth communication, to adapt under different mobile phones or intelligent terminal and varying environment, set up the requirement that quick and stable BlueTooth communicates by letter.
Switch arrays device SP1, toggle switch SW1 provide with the combination of toggle switch SW2 two kinds on-the-fly modify BlueTooth communicate by letter in the communication port address of collector and the mode of traffic rate, switch arrays device SP1 provides a kind of program automatically to revise communication port address and the traffic rate of collector in BlueTooth communication; Toggle switch SW1 and the combination of toggle switch SW2 provide a kind of manual modification BlueTooth communicate by letter in communication port address and the traffic rate of collector, these two kinds of modes, in actual acquisition device is disposed, provide the communication port address and the traffic rate that on-the-fly modify very flexibly collector in BlueTooth communication.For example, in the time utilizing collector provided by the invention to carry out networking measurement, can utilize switch arrays device SP1 that pin port L2～L11 of single-chip microcomputer C8051F320 and pin port P2～P11 of driver BTA10 are directly electrically connected, realize a kind of program and automatically revise communication port address and traffic rate, thereby save the layoutprocedure of whole parameter, and in the time utilizing collector provided by the invention to carry out spot measurement, can directly realize a kind of manual modification communication port address and traffic rate with the combination of toggle switch SW1 and toggle switch SW2, there is directly perceived and feature easily.
Fig. 3 is switch arrays device SP1 schematic internal view in embedded crop growth environment Information Field Acquisition Instrument mouthpiece;
Switch arrays device inside is made up of 10 single-way switch C1～C10, in order to make the closed and disconnected process of switch, its break-make resistance can not produce and disturbs or cause that damage, the switchtype of employing are solid-state contact switch the input pin load of the output pin load of single-chip microcomputer C8051F320 and driver BTA10.
Fig. 4 is the program flow diagram of embedded crop growth environment Information Field Acquisition Instrument method of work; The method comprises that electrifying startup, parts initialization, startup BlueTooth communication, command analysis, parameter setting, pattern setting, data write storage space and and data communication.
Step 100: electrifying startup; Specifically comprise: set up the working environment of embedded crop growth environment information acquiring instrument, shake as environmental variance setting, system clock open, firmware code copy operation and distribute timeslice as sensor acquisition time benchmark;
Step 101: parts initialization; Comprise acquisition component 1 initialization, 2 initialization of conditioning parts, data processor 3 initialization, communication component 4 initialization and memory unit 5 initialization;
Wherein, whether correctly acquisition component 1 initialization, for detection of sensor access; Data processor 3 initialization, for system resource allocation is set, enable as interrupted, initialization of register, timer enable, operation irregularity is indicated and interface protocol initialization.Especially, data processor 3 initialization can realize the detection that accesses sensor output type after acquisition component 1 initialization, the sensor that judges current access is single electric output type sensor, bus output type sensor, and according to the result of judgement, corresponding mode of operation is set; Communication component 4 initialization, the data transmission interface providing for configuring Acquisition Instrument of the present invention, as usb bus interface configuration, the configuration of BlueTooth bus interface and the configuration of RS485 bus interface; Memory unit initialization, for realizing the initialization to data-carrier store, to realize correctly writing and read functions of data;
Step 102: start BlueTooth communication; Complete after parts initialization, embedded crop growth environment information acquiring instrument is first by BlueTooth communication port address and the traffic rate of acquiescence, set up BlueTooth data link with mobile phone or intelligent terminal, complete further setting to carry out command interaction;
Step 103: command analysis; Embedded crop growth environment information acquiring instrument receives and analyzes by BlueTooth bus interface the order that mobile phone sends, and complete corresponding action according to order, as parameter (specifically comprising: traffic rate and communication port address) arranges, pattern arranges etc.;
Step 104: parameter setting: when completing after command analysis, judge whether to carry out parameter setting: if, jump to step 105 parameter configuration, if not, jump to the setting of step 106 default parameters; Step 105: parameter configuration; Embedded crop growth environment information acquiring instrument is according to the new configuration information of mobile phone or intelligent terminal transmission, comprise new communication port address and traffic rate are set, and after setting completes, configuration information is deposited in the property store page of embedded crop growth environment information acquiring instrument inside, be enabled in immediately new communication port address simultaneously and on traffic rate, carry out BlueTooth with mobile phone or intelligent terminal and communicate by letter;
Step 106: default parameters setting; In the time that mobile phone or intelligent terminal do not send parameter order are set, in embedded crop growth environment information acquiring instrument reading attributes memory page, the default configuration data of storage complete the setting to communication port address and traffic rate, and after setting completes, be enabled in immediately the communication port address of acquiescence and on traffic rate, carry out BlueTooth with mobile phone or intelligent terminal and communicate by letter;
Step 107: pattern setting: after embedded crop growth environment information acquiring instrument completes parameter and arranges, judge whether to enter pattern setting: if, jump to the local storage of step 108, if not, jump to step 109 real-time Transmission;
Step 108: local storage; Embedded crop growth environment information acquiring instrument starts pick-up transducers data, but does not send the data of collection, and stores data in embedded crop growth environment information acquiring instrument inside;
Step 109: real-time Transmission; Embedded crop growth environment information acquiring instrument starts pick-up transducers data, and the data of collection are carried out to data transmission by BlueTooth bus interface;
Step 110: data write storage space; In the time being operated in local storage, embedded crop growth environment information acquiring instrument will be stored in inner data writing information memory page;
Step 111: data communication; In the time being operated in real-time Transmission, embedded crop growth environment information acquiring instrument and mobile phone or intelligent terminal are set up data communication, realize data transmission, and carry out Drawing of Curve on the display screen of mobile phone or intelligent terminal, show the environmental information of crop growth;
Step 112: newer command? after data processing, embedded crop growth environment information acquiring instrument judges the current newer command that is whether, if, jump to step 103 command analysis, then continue to carry out, if not, jump to step 113, end process flow process;
Step 113: finish, show that method flow is finished.
Obviously, those skilled in the art can be to embedded crop growth environment information acquiring instrument of the present invention and method of work, carries out various changes and modification and does not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (1)
1. the method for work of an embedded crop growth environment information acquiring instrument, described method adopts a kind of embedded crop growth environment information acquiring instrument, comprises acquisition component (1), conditioning parts (2), data processor (3), communication component (4) and the memory unit (5) of mutual electrical connection;
Described acquisition component (1) comprises eight kinds of dissimilar analog sensors, is respectively air temperature sensor (11), air humidity sensor (12), intensity of illumination sensor (13), CO
2concentration sensor (14), soil temperature sensor (15), soil humidity sensor (16), soil meterological condition sensor (17) and crops color sensor (18), for being converted to the growing environment physical quantity information of greenhouse corps the electric signal of analog quantity;
Described conditioning parts (2) comprise eight precision instrument amplifier INA326, eight trimmable resistances and eight ceramic condensers, and wherein eight trimmable resistances and eight ceramic condensers electrically connect eight Low-Pass Filter wave filters of composition;
Eight kinds of dissimilar sensors in information acquisition parts (1) are electrically connected with eight precision instrument amplifier INA326 respectively, eight precision instrument amplifier INA326 are electrically connected with eight Low-Pass Filter wave filters respectively again, realize the output of analog sensor signal, accurately amplification and filtering;
Described data processor (3) comprises analog to digital converter AD7949 and single-chip microcomputer C8051F320, input port CH1, CH2, CH3, CH4, CH5, CH6, CH7 and the CH8 of analog to digital converter AD7949 is electrically connected respectively the output port of eight Low-Pass Filter wave filters in conditioning parts (2), for receiving the analog electric signal after amplification and low-pass filtering treatment; Bus port 22,23,24 pin of bus port 12,13, the 14 pin electrical connections single-chip microcomputer C8051F320 data addresses of analog to digital converter AD7949 data address, for selecting data after eight tunnel analog input Zhong mono-roads and transmission process; The control port pin 26 of single-chip microcomputer C8051F320 selects port one 1 to be electrically connected with the sheet of analog to digital converter AD7949, for selecting analog to digital converter AD7949 and starting analog to digital converter AD7949;
Described communication component (4) comprises multiple data transmission interfaces, is respectively usb bus interface, BlueTooth bus interface, RS485 interface, wherein communication port 4,5 pin of usb bus interface electrical connection single-chip microcomputer C8051F320;
BlueTooth bus interface is realized by driver BTA10, specifically realizes by mouthpiece (41) and toggle switch SW1, SW2 composite design;
At mouthpiece (41) and toggle switch SW1, during SW2 combinational circuit connects, pin port L0～L1 of single-chip microcomputer C8051F320 is electrically connected respectively successively with the pin port P0 of driver BTA10～P1, being used for arranging embedded crop growth environment information acquiring instrument is Host Status or slave status in BlueTooth communication, pin port L2～L11 of single-chip microcomputer C8051F320 is electrically connected respectively successively with the input port of switch arrays device SP1, the output port of switch arrays device SP1 is electrically connected respectively successively with pin port P2～P11 of driver BTA10, bus port S1～S8 of single-chip microcomputer C8051F320 is electrically connected respectively successively with bus port U0～U7 of driver BTA10, pin port P2～P5 of driver BTA10 is electrically connected respectively successively with the input pin of toggle switch SW2 1～4, pin port P6～P11 of driver BTA10 is electrically connected respectively successively with the input pin of toggle switch SW1 1～6, the output pin 7～12 of toggle switch SW1 is electrically connected with ground end respectively, the output pin 5～8 of toggle switch SW2 is electrically connected with ground end respectively,
Pin port L2～L11 of single-chip microcomputer C8051F320 is electrically connected with pin port P2～P11 of driver BTA10 respectively successively by switch arrays device SP1 in mouthpiece (41), or pin port P2～P11 of driver BTA10 is electrically connected successively with toggle switch SW1, SW2 respectively, send command parameter or manually on-the-fly modify communication port address and the traffic rate of collector in BlueTooth communication according to user, to adapt under different mobile phones or intelligent terminal and varying environment, set up the requirement that quick and stable BlueTooth communicates by letter;
RS485 bus interface is by communication port 31,32 pin of communication port 1, the 4 pin electrical connection single-chip microcomputer C8051F320 of driver MAX485E;
Described memory unit (5) comprises non-volatile electrically erasable data storer AT24C256, the page of non-volatile electrically erasable data storer AT24C256 is selected port 3, 4 and data bus port 5, 6 pin respectively with the pin port 17 of single-chip microcomputer C8051F320, 18 pin and data bus port 19, 20 pin electrical connections, wherein, the page is selected port 3, 4 pin are realized the memory page of non-volatile electrically erasable data storer AT24C256 are selected, altogether can select four memory pages, the page anchor of the first memory page and the second memory page is designated as the attribute page, the page anchor of the 3rd memory page and the 4th memory page is designated as information page, the storage space of each page is 64KB, the data bus port 5 of memory unit (5), 6 heels are according to the memory page of selecting and page anchor note, complete dissimilar data transmission and storage, thereby realize to non-volatile electrically erasable data storer AT24C256 designated store page data writing, or from the function of non-volatile electrically erasable data storer AT24C256 designated store page reading out data, by writing to on-the-spot fieldwork personnel or agricultural planting family of storage crops field data after treatment, reading of on-the-spot fieldwork personnel or the configuration information of agricultural planting family to embedded crop growth environment information acquiring instrument, to realize the data acquisition function of one " with surveying with walking ",
Usb bus interface, BlueTooth bus interface and RS485 bus interface are the access of bus output type sensor according to application scenarios requirements set, for processing and analysis to the access of bus output type sensor, wherein carry out wireless connections as the BlueTooth bus interface of wireless communication interface by the mobile phone at embedded crop growth environment information acquiring instrument and on-the-spot fieldwork personnel or agricultural planting family, corresponding display interface is installed and is set up data communication, realize the demonstration directly perceived of field data and check, and show result according to the data of Real-time Collection, judge and understand growth situation and the health status of on-the-spot crops,
It is characterized in that this method of work step is:
A, electrifying startup: the working environment of setting up embedded crop growth environment information acquiring instrument;
B, parts initialization: comprise the initialization of acquisition component (1), conditioning parts (2), data processor (3), communication component (4) and memory unit (5);
C, startup BlueTooth communication: embedded crop growth environment information acquiring instrument is by BlueTooth communication port address and the traffic rate of acquiescence, set up BlueTooth data link with mobile phone or intelligent terminal, carry out command interaction and complete further setting;
D, command analysis: embedded crop growth environment information acquiring instrument receives and analyze by BlueTooth bus interface the order that mobile phone sends, and complete according to order that parameter communication speed and communication port address arrange, pattern setting;
E, parameter setting: judge whether to carry out parameter setting: if, parameter configuration: embedded crop growth environment Information Field Acquisition Instrument is according to the new configuration information of mobile phone or intelligent terminal transmission, comprise new communication port address and traffic rate are set, after setting completes, configuration information is deposited in the property store page of embedded crop growth environment Information Field Acquisition Instrument inside, be enabled in new communication port address simultaneously and on traffic rate, carry out BlueTooth with mobile phone or intelligent terminal and communicate by letter; If not, default parameters configuration;
F, default parameters configuration: in the time that mobile phone or intelligent terminal do not send parameter configuration order, in embedded crop growth environment Information Field Acquisition Instrument reading attributes memory page, the default configuration data of storage complete the setting to communication port address and traffic rate, and after configuration completes, be enabled in the communication port address of acquiescence and on traffic rate, carry out BlueTooth with mobile phone or intelligent terminal and communicate by letter;
G, pattern setting: after embedded crop growth environment information acquiring instrument completes parameter and arranges, judge whether to enter pattern setting: if, local storage, if not, real-time Transmission;
H, data write storage space: in the time being operated in local storage, embedded crop growth environment information acquiring instrument, by the data writing information memory page of storage, is realized " with surveying with walking " and off line data analysis;
I, data communication: in the time being operated in real-time Transmission, embedded crop growth environment Information Field Acquisition Instrument and mobile phone or intelligent terminal are set up data communication, realize data transmission, and carry out Drawing of Curve on the display screen of mobile phone or intelligent terminal, show the environmental information of crop growth.
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| CN108344458A (en) * | 2018-05-09 | 2018-07-31 | 安徽中科智能感知大数据产业技术研究院有限责任公司 | A kind of distribution crops plant protection specific information acquisition external member equipment |
| CN112083676A (en) * | 2020-09-24 | 2020-12-15 | 安徽中科智能感知产业技术研究院有限责任公司 | Real-time transportation monitoring system based on wisdom agricultural |
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