CN103676726A - Vegetable greenhouse measuring and controlling system - Google Patents
Vegetable greenhouse measuring and controlling system Download PDFInfo
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- CN103676726A CN103676726A CN201310592197.8A CN201310592197A CN103676726A CN 103676726 A CN103676726 A CN 103676726A CN 201310592197 A CN201310592197 A CN 201310592197A CN 103676726 A CN103676726 A CN 103676726A
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Abstract
The invention discloses a vegetable greenhouse measuring and controlling system which comprises a single chip microcomputer, a humidity sensor, a temperature sensor, a soil moisture sensor, a pH (potential of hydrogen) sensor, an A/D (analog/digital) converter and a display module. The humidity sensor, the temperature sensor, the soil moisture sensor and the pH sensor are connected with the A/D converter and then are connected with the single chip microcomputer, the display module is connected with the single chip microcomputer, the single chip microcomputer is an AT89S51 type single chip microcomputer, the humidity sensor is an IH3605 integrated humidity sensor, the temperature sensor is a DS18820 temperature sensor, the soil moisture sensor is an FDS100 soil moisture sensor, and the A/D converter is an ADC0809 A/D converter. The vegetable greenhouse measuring and controlling system has the advantages that environmental indexes of the environmental temperature, the humidity, the soil moisture and the like can be monitored and controlled by the vegetable greenhouse measuring and controlling system, and integral procedures can be automatically completed by a single chip microcomputer system, so that requirements of growth of vegetables can be met; the vegetable greenhouse measuring and controlling system is high in reliability, convenient to use and low in cost, and can be widely applied to measuring and controlling small and medium vegetable greenhouses.
Description
Technical field
The invention belongs to electronic applications, be specifically related to a kind of green house of vegetables TT&C system.
Background technology
Now increasing vegetables adopt booth to plant, and in order to reduce labour intensity, increasing booth starts to adopt intelligentized control system to control.But existing control system cost is higher, restrict to a great extent the universal of automation control system, and increased production cost, indirectly cause agricultural product price high.
Summary of the invention
The object of the invention is to provide a kind of cheap green house of vegetables TT&C system, solves the high problem of existing control system cost.
Technical scheme of the present invention is: a kind of green house of vegetables TT&C system, it comprises single-chip microcomputer, humidity sensor, temperature sensor, soil moisture sensor, pH sensor, A/D converter and display module, described humidity sensor, temperature sensor, soil moisture sensor, pH sensor is connected with single-chip microcomputer after connecting A/D converter, display module is connected with single-chip microcomputer, described single-chip microcomputer model is AT89S51, described humidity sensor adopts IH3605 Integrated Humidity Sensor, described temperature sensor adopts DSl8820, described soil moisture sensor adopts FDSl00 soil moisture sensor, described A/D converter adopts ADC0809, described pH sensor adopts H311-AS002 type pH sensor.
Further, also comprise level translator, described single-chip microcomputer is connected with host computer by level translator, and described level translator adopts MAX232C.
AT89S51 is a low-power consumption, 8 single-chip microcomputers of high-performance CMOS, sheet includes the Flash read-only program memory of erasable 1000 times repeatedly of 4k Bytes ISP (In-system programmable), device adopts high density, the nonvolatile storage technologies manufacture of atmel corp, compatibility standard MCS-51 order set and 80C51 pin configuration, core Embedded general 8 central processing units and ISP Flash storage unit, AT89S51 is used widely in numerous embedded Control application systems.
The IH3605 Integrated Humidity Sensor that humidity sensor adopts Honeywell company to produce, inner integrated signal conditioning circuit, have that precision is high, the linearity good, interchangeability is strong and the plurality of advantages such as output voltage range is large, its unique sandwich construction makes it to resist the erosion of moisture, dust, booty, oil and other chemical substances.Its output voltage is higher and linear better, without carrying out signal, amplifies and signal adjustment, can directly carry out A/D conversion.
The 1-wire digital temperature sensor DSl8820 that temperature sensor adopts DALLAS company to produce, it can not only directly export serial digital signal, and has microminiaturization, low-power consumption, high-performance, is easy to that microprocessor connects and the advantage such as antijamming capability is strong.
Adopt FDSl00 soil moisture sensor, this sensor is based on dielectric Theory and use frequency domain measurement technology to develop, and can accurately measure the volumetric(al) moisture content of soil and other porous medium.Can monitor with greenhouse, the system integration such as soil moisture content collection, automatic irrigation control, realize the long-term dynamics of moisture and monitor continuously.It has fast response time, reproducible, and environmental suitability is strong, waterproof and dampproof, long transmission distance, the feature such as operating temperature range is wide.
The soil pH combination electrode of H311-AS002 type pH sensor Shi You U.S. ASI assembling, adopts solid electrolyte, can be withstand voltage, and teflon annular Ye Jie circle of employing anti-soil, be difficult for blocking, can detect online for a long time.
ADC0809 is CMOS technique 8 passages that National Semiconductor produces, 8 successive approximation A/D analog to digital converters.There are 8 passage multi-way switchs its inside, and it can latch the signal after decoding according to address code, and one in a gating 8 road analog input signals is carried out A/D conversion.
MAX232C is RS mono-232 transceivers, is simple and easy to use, and list+5V Power supply only needs external several electric capacity can complete from 7r and sees that level is to the conversion of Rs mono-232 level.The data of single-chip microcomputer collection can convert RS232 level to through MAX232C by serial ports and transmit to host computer (PC).
The present invention compared with prior art tool has the following advantages:
Native system is monitored and is controlled environment temperature, humidity and the holard environmental index of grading, and whole process is all automatically to be completed by Single Chip Microcomputer (SCM) system, can regulate control to the specified temp of needs, humidity, to meet the needs of the growth of vegetables.Native system reliability is high, easy to use, with low cost, can be widely used in the observing and controlling of middle-size and small-size green house of vegetables.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of invention.
Embodiment
Embodiment
As shown in Figure 1, a kind of green house of vegetables TT&C system, it comprises single-chip microcomputer, humidity sensor, temperature sensor, soil moisture sensor, pH sensor, A/D converter and display module, described humidity sensor, temperature sensor, soil moisture sensor is connected with single-chip microcomputer after being connected A/D converter with pH sensor, display module is connected with single-chip microcomputer, described single-chip microcomputer model is AT89S51, described humidity sensor adopts IH3605 Integrated Humidity Sensor, described temperature sensor adopts DSl8820, described soil moisture sensor adopts FDSl00 soil moisture sensor, described pH sensor adopts H311-AS002 type pH sensor.Described A/D converter adopts ADC0809.Also comprise level translator, described single-chip microcomputer is connected with host computer by level translator, and described level translator adopts MAX232C.
AT89S51 is a low-power consumption, 8 single-chip microcomputers of high-performance CMOS, sheet includes the Flash read-only program memory of erasable 1000 times repeatedly of 4k Bytes ISP (In-system programmable), device adopts high density, the nonvolatile storage technologies manufacture of atmel corp, compatibility standard MCS-51 order set and 80C51 pin configuration, core Embedded general 8 central processing units and ISP Flash storage unit, AT89S51 is used widely in numerous embedded Control application systems.
The IH3605 Integrated Humidity Sensor that humidity sensor adopts Honeywell company to produce, inner integrated signal conditioning circuit, have that precision is high, the linearity good, interchangeability is strong and the plurality of advantages such as output voltage range is large, its unique sandwich construction makes it to resist the erosion of moisture, dust, booty, oil and other chemical substances.Its output voltage is higher and linear better, without carrying out signal, amplifies and signal adjustment, can directly carry out A/D conversion.
The 1-wire digital temperature sensor DSl8820 that temperature sensor adopts DALLAS company to produce, it can not only directly export serial digital signal, and has microminiaturization, low-power consumption, high-performance, is easy to that microprocessor connects and the advantage such as antijamming capability is strong.
Adopt FDSl00 soil moisture sensor, this sensor is based on dielectric Theory and use frequency domain measurement technology to develop, and can accurately measure the volumetric(al) moisture content of soil and other porous medium.Can monitor with greenhouse, the system integration such as soil moisture content collection, automatic irrigation control, realize the long-term dynamics of moisture and monitor continuously.It has fast response time, reproducible, and environmental suitability is strong, waterproof and dampproof, long transmission distance, the feature such as operating temperature range is wide.
The soil pH combination electrode of H311-AS002 type pH sensor Shi You U.S. ASI assembling, adopts solid electrolyte, can be withstand voltage, and teflon annular Ye Jie circle of employing anti-soil, be difficult for blocking, can detect online for a long time.
ADC0809 is CMOS technique 8 passages that National Semiconductor produces, 8 successive approximation A/D analog to digital converters.There are 8 passage multi-way switchs its inside, and it can latch the signal after decoding according to address code, and one in a gating 8 road analog input signals is carried out A/D conversion.
Claims (2)
1. a green house of vegetables TT&C system, it is characterized in that: it comprises single-chip microcomputer, humidity sensor, temperature sensor, soil moisture sensor, pH sensor, A/D converter and display module, described humidity sensor, temperature sensor, soil moisture sensor is connected with single-chip microcomputer after connecting A/D converter, display module is connected with single-chip microcomputer, described single-chip microcomputer model is AT89S51, described humidity sensor adopts IH3605 Integrated Humidity Sensor, described temperature sensor adopts DSl8820, described soil moisture sensor adopts FDSl00 soil moisture sensor, described pH sensor adopts H311-AS002 type pH sensor.
2. a kind of green house of vegetables TT&C system according to claim 1, is characterized in that: also comprise level translator, described single-chip microcomputer is connected with host computer by level translator, and described level translator adopts MAX232C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310592197.8A CN103676726A (en) | 2013-11-22 | 2013-11-22 | Vegetable greenhouse measuring and controlling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310592197.8A CN103676726A (en) | 2013-11-22 | 2013-11-22 | Vegetable greenhouse measuring and controlling system |
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| CN103676726A true CN103676726A (en) | 2014-03-26 |
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| CN201310592197.8A Pending CN103676726A (en) | 2013-11-22 | 2013-11-22 | Vegetable greenhouse measuring and controlling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104796147A (en) * | 2015-03-25 | 2015-07-22 | 佛山酷微微电子有限公司 | Successive approximation analog-digital converter |
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| CN201417152Y (en) * | 2009-06-15 | 2010-03-03 | 山西农业大学 | Portable multi-parameter cropland information acquisition instrument |
| CN202041230U (en) * | 2011-04-10 | 2011-11-16 | 南京师范大学 | Plant environment monitor |
| CN202548637U (en) * | 2012-04-17 | 2012-11-21 | 淮安信息职业技术学院 | Vegetable greenhouse informatization management device |
| US20130113924A1 (en) * | 2011-11-04 | 2013-05-09 | Electronics And Telecommunications Research Institute | Plant observation device and method |
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2013
- 2013-11-22 CN CN201310592197.8A patent/CN103676726A/en active Pending
Patent Citations (5)
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|---|---|---|---|---|
| WO2004080615A2 (en) * | 2003-03-10 | 2004-09-23 | Sensor Wireless Incorporated | Apparatus for detecting and reporting environmental conditions in bulk processing and handling of goods |
| CN201417152Y (en) * | 2009-06-15 | 2010-03-03 | 山西农业大学 | Portable multi-parameter cropland information acquisition instrument |
| CN202041230U (en) * | 2011-04-10 | 2011-11-16 | 南京师范大学 | Plant environment monitor |
| US20130113924A1 (en) * | 2011-11-04 | 2013-05-09 | Electronics And Telecommunications Research Institute | Plant observation device and method |
| CN202548637U (en) * | 2012-04-17 | 2012-11-21 | 淮安信息职业技术学院 | Vegetable greenhouse informatization management device |
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| CN104796147A (en) * | 2015-03-25 | 2015-07-22 | 佛山酷微微电子有限公司 | Successive approximation analog-digital converter |
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Application publication date: 20140326 |