CN102511340A - Automatic green house temperature-humidity control method and device - Google Patents

Automatic green house temperature-humidity control method and device Download PDF

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Publication number
CN102511340A
CN102511340A CN2011103501183A CN201110350118A CN102511340A CN 102511340 A CN102511340 A CN 102511340A CN 2011103501183 A CN2011103501183 A CN 2011103501183A CN 201110350118 A CN201110350118 A CN 201110350118A CN 102511340 A CN102511340 A CN 102511340A
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humidity
module
booth
temp
time
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CN2011103501183A
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徐刚
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Shanghai Dianji University
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Shanghai Dianji University
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25Greenhouse technology, e.g. cooling systems therefor

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Abstract

The invention relates to an automatic green house temperature-humidity control device, which comprises a microcontroller control module, a sensor module which is connected with the microcontroller control module, a human-machine interaction module and an interface module, wherein the human-machine interaction module comprises a display circuit and a keyboard circuit, the sensor module adopts an integrated digital temperature-humidity sensor and is used for simultaneously sensing the temperature and humidity inside a green house, the display circuit is used for displaying a date, time, a real-time humidity, a real-time temperature and control parameters, the keyboard circuit adopts a keyboard circuit of a single-wire single-key structure and is used for starting the keyboard scanning so as to adjust parameters such as date, time, humidity and temperature in real time. In addition, the device also comprises a memory module and a clock module, wherein the memory module and the clock module are respectively connected with the microcontroller control module and are used for recording historical data of temperature and humidity.

Description

Booth temp. and humidity autocontrol method and device
Technical field
The present invention relates to environmental parameter control and modernized agricultural greenhouse manufacturing technology field, specifically, relate to booth temp. and humidity autocontrol method and device thereof.
Background technology
Agricultural booth is one of extensive facility that adopts of modern agriculture, and the booth area coverage is bigger, and the space is big, and fuel factor is better; The transparent heat insulating performance is good, and the ability cold-proof heat insulation, drought resisting, waterlogging; Cultivation is delayed in cultivation ahead of time, prolongs the vegetative period of crop; Reaching purpose precocious, late-maturing, the raising the output stable yields, is the wider protection facility of current application, receives the producer's welcome deeply.
The growth of plant all is in certain environment, to carry out, and in process of growth, receives the influence of various factors in the environment, and what wherein have the greatest impact is temperature and humidity.If temperature and humidity round the clock alters a great deal, it is totally unfavorable to plant growing.Therefore must monitor and control temperature and humidity, make the growth of its suitable plant, to improve its output and quality.
In the prior art; The basic structure of agricultural greenhouse Temperature and Humidity Control hardware system framework please refer to Fig. 1; Form by temperature sensor M11, humidity sensor M12, signal conditioning circuit M13, single chip circuit M14 and display circuit M15, control circuit M16; Through software program the Temperature and Humidity Control parameter is set, the temperature and humidity of control booth.But the deficiency of existing agricultural greenhouse Temperature and Humidity Control hardware system has:
(1) change temperature, humidity control parameter inconvenience need to connect computer and revise software;
(2) temperature sensor, humidity sensor respectively have independently module, and software and hardware structure is complicated.
Summary of the invention
The objective of the invention is, solve above-mentioned technical problem, a kind of booth temp. and humidity autocontrol method is provided, realize real-time detection, analysis, processing and the control of temperature, humidity, and the Temperature and Humidity Control parameter in the field modification booth; A purpose more of the present invention is; By described booth temp. and humidity autocontrol method a kind of booth humiture automatic control device is provided; Employing software and hardware combining technology; Adopt the integrated digital Temperature Humidity Sensor, realize real-time detection, analysis, processing and the control of canopy temperature, humidity, the Temperature and Humidity Control parameter in the field modification booth.
To achieve these goals, the technical scheme that the present invention takes is that a kind of booth temp. and humidity autocontrol method may further comprise the steps:
(1) accomplishes the setting of system initialization data;
(2) start Temperature Humidity Sensor, temperature and humidity data in the sensing booth simultaneously, and export sensing result to microcontroller;
(3) analyze said temp. and humidity data, and when the said temp. and humidity data that judgement receives exceed the scope of systemic presupposition, send control instruction;
(4) start the parameter that shows test environment on the display circuit;
(5) the temp. and humidity parameter in the booth is controlled and adjusted to the keyboard scan function of startup keyboard circuit in real time.
Further, a kind of booth temp. and humidity of the present invention autocontrol method also comprises a storing step and a time transmitting step; Said storing step is used to start storage chip, at said storage chip assigned address, and access temp. and humidity data step; Said time transmitting step is used to start clock chip and will be sent to through microcontroller the time and shows step on the display circuit; Said storing step and said time transmitting step are used to write down the historical data of temp. and humidity in the booth.
For realizing above-mentioned purpose; The technical scheme that the present invention takes is that a kind of booth humiture automatic control device comprises the microprocessor controls module; The sensor assembly, human-computer interaction module, the interface module that are connected with said microprocessor controls module; It is characterized in that said sensor assembly adopts the integrated digital Temperature Humidity Sensor, be used for the interior temperature and humidity of sensing booth simultaneously; Said human-computer interaction module comprises display circuit, keyboard circuit, and said display circuit is used to show date, time, instant temp. and humidity and control parameter, and said keyboard circuit is used for adjusting date, time in real time and the temp. and humidity parameter in the booth is set.
Further; Said sensor assembly adopts the integrated digital Temperature Humidity Sensor; And has twin wire serial line interface and internal reference voltage; Be used for the interior temperature and humidity of sensing booth simultaneously, and after compensation, correction, export sensing result to said microprocessor controls module as temp. and humidity detection data.
Further, said display circuit adopts 12864 LCD display, is used for showing date at LCD text area assigned address, time, instant temp. and humidity and control parameter.
Further, said keyboard circuit adopts single line singly-bound structure road, is used for keyboard scan, adjusts date, time in real time and the temp. and humidity parameter in the booth is set.
This device further comprises a memory module and a clock module, and said memory module is connected with the microprocessor controls module respectively with clock module, is used to write down the historical data of booth temp. and humidity.
Further, said memory module links to each other with the microprocessor controls module, adopts serial Erarable Programmable Read only Memory storage chip, can carry out the accessing operation of temp. and humidity data at said storage chip assigned address.
Further, said clock module adopts serial clock chip, will be sent on the said display circuit through said microprocessor controls module the time through said clock chip to show.
Further, this device further comprises a system power supply module, comprises transforming circuit, rectification circuit, mu balanced circuit, filter circuit, can dc source be provided for hardware module.
Good effect of the present invention is: adopts the software and hardware combining technology, realizes real-time detection, analysis, processing and the control of temperature, humidity, and field modification Temperature and Humidity Control parameter, be easy to control; Adopt the integrated digital Temperature Humidity Sensor, simplified system architecture; Adopt clock module and memory module, for analyzing and processing data, demonstration temp. and humidity curve provide the temp. and humidity historical data.The present invention controls friendly interface, simple to operate, and data show can adopt the form of figure, makes things convenient for the user to check, systemic price ratio is higher, and better practicability is arranged.
Description of drawings
Fig. 1 is the sketch map of booth Temperature and Humidity Control hardware system structure in the prior art;
Fig. 2 is the FB(flow block) of booth Temperature and Humidity Control method of the present invention;
Fig. 3 is that the structure of booth temperature and humidity control device of the present invention connects block diagram;
Fig. 4 is the software system architecture sketch map of booth temperature and humidity control device of the present invention.
Embodiment
Introduce the embodiment of booth Temperature and Humidity Control method of the present invention and device thereof below in conjunction with accompanying drawing.
Referring to accompanying drawing 2, a kind of booth Temperature and Humidity Control method comprises the steps:
Step 1, S21 software programming are provided with the required function function and accomplish the setting of system initialization data
The main program function and data analyzing and processing function, the temp. and humidity detection function of Temperature Humidity Sensor, the access function of memory module, the function of time of clock chip, the explicit function of display circuit and the key of keyboard circuit that utilize software programming that microcontroller is set are handled function.The system initialization data are set, comprise time, date, desired temp. and humidity data initial value etc. in the booth.
Step 2, S22 start Temperature Humidity Sensor, the temp. and humidity data in the sensing booth, and export sensing result to microcontroller
The said temp. and humidity detection function of main program function call starts Temperature Humidity Sensor, the temp. and humidity in the sensing booth, and sensing result is converted into relative moisture through compensation, after proofreading and correct and Celsius temperature exports microcontroller to.
Step 3, S25 analyze the temp. and humidity data, and when the temp. and humidity data that judgement receives exceed the scope of systemic presupposition, send control instruction
The said data analyzing and processing function of main program function call is analyzed the temp. and humidity parameter and when the temp. and humidity data that judgement receives exceed the scope of systemic presupposition, is sent control instruction, and the prompting user in time adjusts the temp. and humidity parameter.
Step 4, S26 show the parameter of test environment on display circuit
The said explicit function of main program function call shows each parameter in the booth on display circuit, comprise date, time, instant temp. and humidity and control parameter.
Step 5, S27 start the keyboard scan function of keyboard circuit, control and adjust the temp. and humidity parameter in real time
The said key of main program function call is handled function, starts the keyboard scan function of keyboard circuit, time, date is adjusted and be provided with parameters such as temp. and humidity.Realize real-time detection, analysis, processing and the control of temperature, humidity, field modification Temperature and Humidity Control parameter.
Except above-described step, a kind of booth Temperature and Humidity Control of the present invention method also can may further comprise the steps further:
Step 6, S23 start storage chip, at said storage chip assigned address, and access temp. and humidity data
The said access function of main program function call starts storage chip, at said storage chip assigned address, carries out the accessing operation of temp. and humidity data.
Step 7, S24 startup clock chip will be sent on the display circuit through microcontroller and show the time
The said function of time of main program function call starts clock chip, will the time be sent to microcontroller through clock chip, will the time be sent to display circuit through microcontroller then, and time showing is come out.
Referring to accompanying drawing 3 and 4; A kind of booth temperature and humidity control device; As hardware platform, adopt a kind of implementation method of software and hardware combining with single-chip microcomputer, comprise hardware module M30, sensor assembly M301, memory module M302, clock module M303, microcontroller (Microcontroller Unit; Be MCU) control module M304, human-computer interaction module M305, interface module M306, system power supply module M31, said human-computer interaction module M305 display circuit, the keyboard circuit of comprising.The main program function and data analyzing and processing function, the temp. and humidity detection function of sensor assembly M301, the access function of memory module M302, the function of time of clock module M303, the explicit function of display circuit and the key of keyboard circuit that utilize software programming that microprocessor controls module M304 is set are handled function.
Said sensor assembly M301 links to each other with microprocessor controls module M304; The said temp. and humidity detection function of said main program function call; Start the temp. and humidity in the Temperature Humidity Sensor sensing booth; And sensing result is converted into relative moisture and Celsius temperature through compensation, after proofreading and correct, export said relative moisture and Celsius temperature to said microprocessor controls module M304 as temp. and humidity detection data.Said sensor assembly M301 adopts the Temperature Humidity Sensor of Sensirion company; It has digital output, exempt to debug, non-calibrating, exempt from peripheral circuit and full characteristics of exchanging; And the integrated digital hygro sensor of said Temperature Humidity Sensor; Have twin wire serial line interface and internal reference voltage, system architecture is simplified.
Said memory module M302 links to each other with microprocessor controls module M304, adopts serial Erarable Programmable Read only Memory (E2PROM) storage chip.The said access function of said main program function call starts storage chip, at said storage chip assigned address, carries out the accessing operation of temp. and humidity data, so that said microprocessor controls module M304 calls said temp. and humidity data when needed.
Said clock module M303 adopts serial clock chip; The said function of time of said main program function call; Start the transfer of data of clock chip; To be sent to said microprocessor controls module M304 the time through clock chip, will be sent to the time on the display circuit of said human-computer interaction module M305 through said microprocessor controls module M304 then and show.
Said memory module M302 combines to be used to write down the temp. and humidity historical data with clock module M303, for analyzing and processing data, demonstration temp. and humidity curve provide said temp. and humidity historical data.
Said microprocessor controls module M304 is as twin wire universal serial bus (Inter-Integrated Circuit; Be I2C) processor of the main device of control bus, the control device of man-machine interaction, data analysis; Through said main program function; Accomplish settings of system initialization data, allocating time function, temp. and humidity detection function, access function, explicit function, data analyzing and processing function, key and handle function, realize that analyzing and processing data, demonstration temp. and humidity curve provide the temp. and humidity historical data, adjust the functions such as control parameter of date, time and temperature humidity in real time.Said initialization data comprises time, date, the temp. and humidity data initial value that requires in the booth etc.Said data analyzing and processing function is used to analyze the temp. and humidity parameter and when the temp. and humidity data that judgement receives exceed the scope of systemic presupposition, sends control instruction, and the prompting user in time adjusts the temp. and humidity parameter.
Said human-computer interaction module M305 links to each other with microprocessor controls module M304, comprises display circuit, keyboard circuit; Said display circuit adopts 12864 LCD display, and the said explicit function of said main program function call shows date at LCD text area assigned address, time, instant temp. and humidity and control parameter; Said keyboard circuit adopts the keyboard circuit of single line singly-bound structure; The said key of said main program function call is handled function; Start keyboard scan; The parameter setting of adjustment date, time and temp. and humidity realizes real-time detection, analysis, processing and the control of temperature, humidity, field modification Temperature and Humidity Control parameter in real time.
Said interface module M306 links to each other with microprocessor controls module M304; Adopt interface circuits such as D/A conversion circuit or drive circuit; Drive circuit is exactly can't drive under the situation of outside executing agency at microcontroller, makes outside executing agency under the control instruction of microcontroller, to accomplish specified action.Outside executing agency is meant peripheral components such as buzzer, relay, direct current generator, LED.
Said system power supply module M31 is made up of transforming circuit, rectification circuit, mu balanced circuit, filter circuit, and M30 provides dc source for hardware module.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.

Claims (10)

1. a booth temp. and humidity autocontrol method is characterized in that, may further comprise the steps:
(1) accomplishes the setting of system initialization data;
(2) start Temperature Humidity Sensor, temperature and humidity data in the sensing booth simultaneously, and export sensing result to microcontroller;
(3) analyze said temp. and humidity data, and when the said temp. and humidity data that judgement receives exceed the scope of systemic presupposition, send control instruction;
(4) start the parameter that shows test environment on the display circuit;
(5) the temp. and humidity parameter in the booth is controlled and adjusted to the keyboard scan function of startup keyboard circuit in real time.
2. booth temp. and humidity autocontrol method according to claim 1; It is characterized in that: comprise a storing step and a time transmitting step; Said storing step is used to start storage chip; At said storage chip assigned address, access temp. and humidity data step, said time transmitting step; Be used to start clock chip and will be sent to through microcontroller the time and show step on the display circuit, said storing step and said time transmitting step are used to write down the historical data of temp. and humidity in the booth.
3. booth humiture automatic control device; Comprise the microprocessor controls module; The sensor assembly, human-computer interaction module, the interface module that are connected with the microprocessor controls module; It is characterized in that said sensor assembly adopts the integrated digital Temperature Humidity Sensor, be used for the interior temperature and humidity of sensing booth simultaneously; Said human-computer interaction module comprises display circuit, keyboard circuit, and said display circuit is used to show date, time, instant temp. and humidity and control parameter, and said keyboard circuit is used for adjusting date, time in real time and the temp. and humidity parameter in the booth is set.
4. booth humiture automatic control device according to claim 3; It is characterized in that: said sensor assembly adopts the integrated digital Temperature Humidity Sensor; Has twin wire serial line interface and internal reference voltage; Ability is the interior temperature and humidity of sensing booth simultaneously, and after overcompensation, correction, exports sensing result to the microprocessor controls module as temp. and humidity detection data.
5. booth humiture automatic control device according to claim 3 is characterized in that: said display circuit adopts 12864 LCD display, can show date at LCD text area assigned address, time, instant temp. and humidity and control parameter.
6. booth humiture automatic control device according to claim 3 is characterized in that: said keyboard circuit adopts single line singly-bound structure road, and ability keyboard scan is adjusted date, time in real time and the temp. and humidity parameter in the booth is set.
7. booth humiture automatic control device according to claim 3; It is characterized in that: comprise a memory module and a clock module; Said memory module is connected with the microprocessor controls module respectively with clock module, is used to write down the historical data of booth temp. and humidity.
8. booth humiture automatic control device according to claim 7; It is characterized in that: said memory module links to each other with the microprocessor controls module; Adopt serial Erarable Programmable Read only Memory storage chip; Can carry out the accessing operation of the temp. and humidity data in the booth at described storage chip assigned address.
9. booth humiture automatic control device according to claim 7; It is characterized in that: said clock module adopts serial clock chip, will be sent on the said display circuit through said microprocessor controls module the time through said clock chip to show.
10. booth humiture automatic control device according to claim 3; It is characterized in that: comprise a system power supply module; Said system power supply module comprises transforming circuit, rectification circuit, mu balanced circuit, filter circuit, can dc source be provided for hardware module.
CN2011103501183A 2011-11-08 2011-11-08 Automatic green house temperature-humidity control method and device Pending CN102511340A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103207633A (en) * 2013-03-07 2013-07-17 上海电机学院 Temperature and humidity monitoring method and system
CN104090609A (en) * 2014-06-20 2014-10-08 广西小草信息产业有限责任公司 Agriculture greenhouse intelligent control system
CN104090611A (en) * 2014-06-20 2014-10-08 广西小草信息产业有限责任公司 Automatic greenhouse control system
CN109118481A (en) * 2018-07-27 2019-01-01 章云娟 Computer entropy extracting method
CN110800516A (en) * 2019-10-29 2020-02-18 厦门迈信物联科技股份有限公司 Plant growth microclimate model establishing method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101292611A (en) * 2008-04-18 2008-10-29 浙江工业大学 Greenhouse control system based on single-chip machine
CN102042850A (en) * 2010-11-02 2011-05-04 上海电机学院 Temperature and humidity detection system and control method thereof
CN201957523U (en) * 2011-04-14 2011-09-07 南京邮电大学 Automatic irrigation system of agricultural greenhouse

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101292611A (en) * 2008-04-18 2008-10-29 浙江工业大学 Greenhouse control system based on single-chip machine
CN102042850A (en) * 2010-11-02 2011-05-04 上海电机学院 Temperature and humidity detection system and control method thereof
CN201957523U (en) * 2011-04-14 2011-09-07 南京邮电大学 Automatic irrigation system of agricultural greenhouse

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103207633A (en) * 2013-03-07 2013-07-17 上海电机学院 Temperature and humidity monitoring method and system
CN103207633B (en) * 2013-03-07 2015-11-25 上海电机学院 A kind of temperature and humidity monitor method and system
CN104090609A (en) * 2014-06-20 2014-10-08 广西小草信息产业有限责任公司 Agriculture greenhouse intelligent control system
CN104090611A (en) * 2014-06-20 2014-10-08 广西小草信息产业有限责任公司 Automatic greenhouse control system
CN109118481A (en) * 2018-07-27 2019-01-01 章云娟 Computer entropy extracting method
CN109118481B (en) * 2018-07-27 2019-08-30 上海鲀鱼数码科技有限公司 Computer entropy extracting method
CN110800516A (en) * 2019-10-29 2020-02-18 厦门迈信物联科技股份有限公司 Plant growth microclimate model establishing method

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Application publication date: 20120627