CN203869727U

CN203869727U - Real-time monitoring system for crop growth environment data

Info

Publication number: CN203869727U
Application number: CN201420204762.9U
Authority: CN
Inventors: 金明德
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-04-25
Filing date: 2014-04-25
Publication date: 2014-10-08
Anticipated expiration: 2024-04-25

Abstract

The utility model discloses a real-time monitoring system for crop growth environment data, which comprises the components of: an HM1500 type humidity sensor module, an MSH-P type CO2 sensor module, a signal conditioning circuit module, an MAX186CCPP12 data conversion module, a TMS320lf2402DSP module, a wireless transmitting module, an LCD display screen, a wireless receiving module, a Labview online monitoring system and an alarm module. The real-time monitoring system displays the data of acquired humidity, CO2 content, etc. on a field LC liquid crystal screen in real time after a data processing task is completed. An upper computer analyzes and calculates the received data, and compares the received data with a preset data upper limit and a preset data lower limit for analysis. If the received data exceeds the upper limit or the lower limit, the system alarms automatically, thereby facilitating management personnel to perform in-time treatment.

Description

Crop growth environment data real-time monitoring system

Technical field

The utility model relates to crop growth environment monitoring technical field, refers in particular to crop growth environment data real-time monitoring system.

Background technology

Agricultural is the important mainstay industry of country, and agricultural production occupies very important status in China's economic construction and social development, and the variation of crops surrounding environment has a great impact its growth, and the Real-Time Monitoring of therefore realizing crops is significant.

Crop growth environment real-time monitoring system is for the humidity in environment, CO ₂the information such as content are implemented on-line monitoring.The monitoring system of existing crops is mainly to monitor for some the environmental information states in warmhouse booth, and range of application is little, and system stability is not high.China's search time is not in this respect very long simultaneously, and all deficienter on supporting technology and equipment, not high to the monitoring capacity of environment, yield-power is limited.If when Introduced From Abroad equipment, not only strengthen cost of investment, and operating personnel's quality has also been required very high.

Summary of the invention

The purpose of this utility model is to provide a kind of crop growth environment data real-time monitoring system, has solved and can not grasp in time crop growth environment problem.

The purpose of this utility model realizes as follows: a kind of crop growth environment data real-time monitoring system, and it comprises lower computer system and master system; Information transmission between described master system and lower computer system is to connect by wireless transport module; Described lower computer system comprises HM1500 type humidity sensor module, MSH-P type CO ₂sensor assembly, signal conditioning circuit module, MAX186CCPP12 data conversion module, TMS320LF2402DSP module, wireless sending module and LCD display, wherein HM1500 type humidity sensor module and MSH-P type CO ₂sensor assembly is sent to MAX186 data converting circuit after by signal conditioning circuit module, simulating signal is converted to digital signal, then be connected with the receiver port SOM0 of TMS320LF2402DSP module through the DOUT of MAX186 signal output part, wireless sending module is directly connected with TMS320LF2402DSP module with LCD display; Described master system comprises wireless receiving module, Labview on-line monitoring system module and data storage and alarm module, and data storage is connected with Labview on-line monitoring system module with alarm module.

Native system by sensor to the humidity in work on the spot environment, CO ₂deng information, utilize signal conditioning circuit to be carried out filtering processing, then carry out voltage transitions through MAX186CCPP12 position A/D data conversion module, then the DSP that is TMS320LF2402 by model carries out data processing and collection, data after treatment can directly be carried out field data demonstration by LCD12864 liquid crystal display, by wireless transmitter module, data are sent to host computer simultaneously.Between slave computer, host computer, adopt communication to carry out transmission of information.Host computer is programmed by labview software, to the data analysis of uploading and calculating, draw the corresponding work condition environment value of information, and present on host computer interface with the form of collection of illustrative plates and data, these data are stored, to transfer data while needing simultaneously.In the time that the data in environment exceed preset value, this system can be sent warning message, and history data store is in host computer.

The beneficial effects of the utility model are: this system is complete can be by humidity in measured environment, CO after the calculation task of data ₂the data such as content are shown on LCD liquid crystal display in real time, are transferred to host computer simultaneously, store data in host computer, and make humiture, CO in itself and default environment ₂the upper lower limit value of content compares analysis, occurs if any overrun condition, and system can be sent acoustic alarm automatically, so that staff takes remedial measures timely, realizes the control of various data content in crops surrounding environment.In addition, the utility model reasonable in design, the novelty that is skillfully constructed, is easy to apply.

brief description of the drawings:

Fig. 1 is the utility model structured flowchart;

Fig. 2 is the utility model data processing circuit figure;

Fig. 3 is the utility model dsp interface circuit diagram;

Fig. 4 is the utility model data display circuit figure;

Fig. 5 is the utility model PC control process flow diagram.

embodiment:

With reference to each figure, a kind of crop growth environment data real-time monitoring system, comprises HM1500 type humidity sensor module, MSH-P type CO ₂sensor assembly, signal conditioning circuit module, MAX186CCPP12 data conversion module, TMS320LF2402 DSP module, wireless sending module, LCD LCDs, wireless receiving module, Labview on-line monitoring system and alarm module, history data store is in host computer.

As Fig. 2 signal-data processing circuit, this filtering circuit adopts RC filtering circuit, and wherein resistance R can be finely tuned by adjustable resistance, debugs by reality, selects suitable filter resistance, thus filtering interference signals.This monitoring system adopts the double wire system mode of connection, sensor itself is transformed to current signal by pressure signal and exports, native system by the voltage signal collecting through signal conditioning circuit process after, be input to MAX186CCPP12 data conversion module A/D conversion chip, this chip is eight passages, the expansion that can be later stage measurement port is ready, and its conversion accuracy can reach 2 ‰.

If Fig. 3 is dsp interface circuit diagram, the SPI mouth that F2402 is set is duty, and serial clock signal SPICLK is connected with the SCLK pin of MAX186, the sheet choosing end of being put MAX186 by F2402 is low level, and data-switching completes, and MAX186 notifies F2402 to prepare to accept data by SSTRB, this chip adopts the static CMOS technology of high-performance, make supply voltage reduce to 3.3V, reduced the power consumption of controller, strengthened the stability of system.

As Fig. 4 data display circuit, it is that LCD12864 liquid crystal display is to the temperature collecting, humidity, CO that this system adopts model ₂the data such as content show, wherein control pin and are connected with DSP pin, and backlight circuit adopts resistance value 4.7K and 10K variohm, the brightness that stabilized screen shows.

As Fig. 5 PC control process flow diagram, this system adopts modular design, and concrete module has: system initialization module, data acquisition module, data memory module, data analysis computing module, LCD MODULE, wireless communication module, alarm module.

This monitoring system host computer design, utilizes LabVIEW software to programme as platform, designs the system that can realize functions such as voltage signal calculating, storage, warnings, and humidity, CO ₂the numerical value such as content are presented at host computer terminal platform.

When this system works, first by host computer labview software, humidity, CO are set ₂the upper and lower bound of content, the electric signal that this system is come up sensor collection, utilize signal conditioning circuit to be carried out filtering processing, then carry out voltage transitions through MAX186CCPP12 position A/D data conversion module, then the DSP that is TMS320LF2402 by model carries out data processing and collection, data after treatment can be directly shown in real time and the content of various materials in the surrounding environment of crop growth by wireless transmitter module, data are sent to host computer simultaneously by LCD12864 liquid crystal display.Between slave computer, host computer, adopt communication to carry out transmission of information.Host computer, to the data analysis of uploading and calculating, draws the corresponding work condition environment value of information, and presents on host computer interface with the form of collection of illustrative plates and data, stores this data simultaneously, to transfer data while needing.This system humidity, CO ₂the preset value of content can arrange and amendment by host computer button according to actual needs, occur if any overrun condition, system can be sent alerting signal automatically by alarm, field staff can understand the various content of material in environment in time, realizes the control to various data content in crops surrounding environment to carry out further work.

This system peripherals circuit is few, good reliability, good stability, highly sensitive, analyze the advantages such as rapid, there is wide market application foreground.

But above-mentioned embodiment is exemplary, be to be the restriction that this patent is comprised to scope in order better to make those skilled in the art can understand this patent, can not to be interpreted as; As long as any being equal to done according to spirit that this patent discloses changes or modify, all fall into the scope that this patent comprises.

Claims

1. a crop growth environment data real-time monitoring system, is characterized in that: comprise lower computer system and master system; Information transmission between described master system and lower computer system is to connect by wireless transport module; Described lower computer system comprises HM1500 type humidity sensor module, MSH-P type CO ₂sensor assembly, signal conditioning circuit module, MAX186CCPP12 data conversion module, TMS320LF2402DSP module, wireless sending module and LCD display, wherein HM1500 type humidity sensor module and MSH-P type CO ₂sensor assembly is sent to MAX186 data converting circuit after by signal conditioning circuit module, simulating signal is converted to digital signal, then be connected with the receiver port SOM0 of TMS320LF2402DSP module through the DOUT of MAX186 signal output part, wireless sending module is directly connected with TMS320LF2402DSP module with LCD display; Described master system comprises wireless receiving module, Labview on-line monitoring system module and data storage and alarm module, and data storage is connected with Labview on-line monitoring system module with alarm module.