CN104950965A - Greenhouse big shed temperature and humidity automatic control circuit and control method - Google Patents
Greenhouse big shed temperature and humidity automatic control circuit and control method Download PDFInfo
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- CN104950965A CN104950965A CN201510436343.7A CN201510436343A CN104950965A CN 104950965 A CN104950965 A CN 104950965A CN 201510436343 A CN201510436343 A CN 201510436343A CN 104950965 A CN104950965 A CN 104950965A
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Abstract
The invention discloses a greenhouse big shed temperature and humidity automatic control circuit and control method. The greenhouse big shed temperature and humidity automatic control circuit comprises a power supply circuit, a temperature detection circuit, a humidity detection circuit, an oscillating circuit, an or gate circuit, an alarm circuit and a water discharge circuit, wherein the temperature detection circuit comprises a first temperature detection circuit and a second temperature detection circuit; the oscillating circuit comprises a first oscillating circuit and a second oscillating circuit; the power supply circuit is connected with both the first temperature detection circuit and the second temperature detection circuit; the output of the first temperature detection circuit is connected with both the second temperature detection circuit and the or gate circuit; the second temperature detection circuit is further connected with a heating device and an air interchanger; the output of the second oscillating circuit is connected with the alarm circuit; the output of the first oscillating circuit is connected with the humidity detection circuit; the output of the humidity detection circuit is connected with the water discharge circuit. According to the greenhouse big shed temperature and humidity automatic control circuit and control method, provided by the invention, the structural design is reasonable, the use is convenient, the degree of automation is high, and the measurement control is precise.
Description
Technical field
The invention belongs to technical field of automatic control, be specifically related to a kind of warmhouse booth temperature and humidity automatic control circuit and control method.
Background technology
Agricultural booth is one of facility of extensively adopting of modern agriculture, and plastic house area is comparatively large, and space is large; thermal effect is better; transparent heat insulating performance is good, and energy cold-proof heat insulation, drought resisting, flood; cultivation ahead of time; delayed culture, the object of the stable yields that extends the growth period of crop, reach precocious, late-maturing, increases production; the protection facility that current application is wider, the dark welcome by the producer.
The growth of plant is all carry out in certain environment, is subject to the impact of various factors in environment in growth course, 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 growth.Therefore must carry out monitor and forecast to temperature and humidity, make the growth of its applicable plant, to improve its seed output and quality.
Crops are growing applicable temperature usually between 20-30 degree, humidity between 40%-80%.Booth is that the growth of crop creates a closed temperature and humidity freestanding environment.The temperature and humidity of its inside needs manually to regulate, traditional method respectively stays vent window before and after booth, when regulating temperature and humidity, front and back window is opened simultaneously, the air that humidity and temperature is higher is discharged from front window, and cold air is introduced from rear window thus reached the effect regulating temperature and humidity.This way can bring two drawbacks, and one is the temperature in booth can be made obviously to decline when regulating separately humidity, and two to be that cold air directly enters booth from rear window large due to the inner air and outer air temperature difference, the crop near rear window can be caused to endure cold, affect plant growth.
Summary of the invention
Goal of the invention: the object of the invention is to solve deficiency of the prior art, a kind of reasonable in design is provided, easy to use, automaticity is high, can automatically trigger heating arrangement, air interchanger or drainage arrangement according to the temperature and humidity value detected and carry out respective handling, and Survey control accurate warmhouse booth temperature and humidity automatic control circuit and control method.
Technical scheme: a kind of warmhouse booth temperature and humidity automatic control circuit of the present invention, comprise power circuit, temperature sensing circuit, humidity measuring circuit, oscillatory circuit, OR circuit, warning circuit and draining circuit, described temperature sensing circuit comprises the first temperature sensing circuit and the second temperature sensing circuit, and described oscillatory circuit comprises the first oscillatory circuit and the second oscillatory circuit, described power circuit is connected with described first temperature sensing circuit and the second temperature sensing circuit respectively, the output of described first temperature sensing circuit is connected with described second temperature sensing circuit and OR circuit respectively, described second temperature sensing circuit is also connected with heating arrangement and air interchanger, the output of described OR circuit is connected with the second oscillatory circuit, the output of described second oscillatory circuit is connected with warning circuit, described power circuit is also connected with the first oscillatory circuit, the output of described first oscillatory circuit is connected with humidity measuring circuit, the output of described humidity measuring circuit is connected with draining circuit.
Further, described first temperature sensing circuit is made up of amplifier chip IC1 and temperature sensor Rt, described temperature sensor Rt is connected with 5 pin of described amplifier chip IC1 and 6 pin respectively, 4 pin and 7 pin of described amplifier chip IC1 are connected with divider resistance, and 2 pin of described amplifier chip IC1 and 3 pin are as the output of the first temperature sensing circuit.
Further, described second temperature sensing circuit is made up of amplifier chip IC1 and temperature sensor R1, described temperature sensor R1 is connected with 8 pin of described amplifier chip IC1 and 11 pin respectively, 9 pin and 10 pin of described amplifier chip IC1 are connected with divider resistance, 13 pin of described amplifier chip IC1 and 14 pin are as the output of the second temperature sensing circuit, 13 pin of described amplifier chip IC1 are connected with air interchanger, and 14 pin of described amplifier chip IC1 are connected with heating arrangement.
Further, described OR circuit resistance R401, R402, R405 and diode VD402, VD403 are formed, be connected in series with described diode VD402 after resistance R405 is in parallel with diode VD403, foregoing circuit is connected with resistance R401 with after described resistance R402 parallel connection again.
Further, described first oscillatory circuit is made up of 555 integrated chips and resistance, electric capacity; 2 pin of described 555 integrated chips are connected with electric capacity C304, and 3 pin of described 555 integrated chips are connected with resistance R302 and variable resistor RP302, and 5 pin of described 555 integrated chips are connected with electric capacity C303.
Further, described second oscillatory circuit is made up of 555 integrated chips and resistance, electric capacity; 4 pin of described 555 integrated chips are connected with the output terminal of 7 pin with described OR circuit, and 2 pin of described 555 integrated chips are connected with electric capacity C402, and 3 pin of described 555 integrated chips are connected with warning circuit, and 5 pin of described 555 integrated chips are connected with electric capacity C404.
Further, described humidity measuring circuit is made up of operation amplifier chip IC 2 and humidity sensor RS, be connected with electric capacity C306 and resistance R305 between 1 pin of described operation amplifier chip IC 2 and 10 pin, output terminal 8 pin of described operation amplifier chip IC 2 is connected with diode VD301 and VD302.
Further, described warning circuit is made up of integrated chip TDA2040 and loudspeaker.
Further, described draining electric routing switch circuit and drainpipe are formed.
The invention also discloses a kind of control method of warmhouse booth temperature and humidity automatic control circuit, comprising:
(1) when temperature is lower than 15 DEG C with higher than 30 DEG C, trigger alarm circuit alarm;
(2) when temperature be less than 20 DEG C be greater than 15 DEG C time, trigger heating arrangement heat;
(3) when temperature be greater than 25 DEG C be less than 30 DEG C time, trigger air interchanger take a breath;
(4) when humidity exceedes setting value, triggered discharge circuit carries out drain operation.
Beneficial effect: reasonable in design of the present invention, easy to use, automaticity is high, can automatically trigger heating arrangement, air interchanger or drainage arrangement according to the temperature and humidity value detected and carry out respective handling, and Survey control is accurate, without the need to manual intervention, decrease cost of labor, all kinds of warmhouse booth can be widely used in and use.
Accompanying drawing explanation
Fig. 1 is overall control circuit structural drawing of the present invention;
Fig. 2 is the first temperature sensing circuit structural drawing of the present invention;
Fig. 3 is the second temperature sensing circuit structural drawing of the present invention;
Fig. 4 is humidity measuring circuit structural drawing of the present invention;
Fig. 5 is the first oscillatory circuit structural drawing of the present invention;
Fig. 6 is the second oscillatory circuit structural drawing of the present invention;
Fig. 7 is OR circuit structural drawing of the present invention;
Fig. 8 is warning circuit structural drawing of the present invention;
Fig. 9 is draining circuit structure diagram of the present invention.
Embodiment
A kind of warmhouse booth temperature and humidity automatic control circuit as shown in Figure 1, comprise power circuit, temperature sensing circuit, humidity measuring circuit, oscillatory circuit, OR circuit, warning circuit and draining circuit, described temperature sensing circuit comprises the first temperature sensing circuit and the second temperature sensing circuit, and described oscillatory circuit comprises the first oscillatory circuit and the second oscillatory circuit, described power circuit is connected with described first temperature sensing circuit and the second temperature sensing circuit respectively, the output of described first temperature sensing circuit is connected with described second temperature sensing circuit and OR circuit respectively, described second temperature sensing circuit is also connected with heating arrangement and air interchanger, the output of described OR circuit is connected with the second oscillatory circuit, the output of described second oscillatory circuit is connected with warning circuit, described power circuit is also connected with the first oscillatory circuit, the output of described first oscillatory circuit is connected with humidity measuring circuit, the output of described humidity measuring circuit is connected with draining circuit.
The first temperature sensing circuit structural drawing as shown in Figure 2.Described first temperature sensing circuit is made up of amplifier chip IC1 LM324 and temperature sensor Rt, described temperature sensor Rt is connected with 5 pin of described amplifier chip IC1 and 6 pin respectively, 4 pin and 7 pin of described amplifier chip IC1 are connected with divider resistance, and 2 pin of described amplifier chip IC1 and 3 pin are as the output of the first temperature sensing circuit.
As shown in Figure 3, second temperature sensing circuit is made up of amplifier chip IC1 LM324 and temperature sensor R1, described temperature sensor R1 is connected with 8 pin of described amplifier chip IC1 and 11 pin respectively, 9 pin and 10 pin of described amplifier chip IC1 are connected with divider resistance, 13 pin of described amplifier chip IC1 and 14 pin are as the output of the second temperature sensing circuit, 13 pin of described amplifier chip IC1 are connected with air interchanger, and 14 pin of described amplifier chip IC1 are connected with heating arrangement.
As shown in Figure 4, described humidity measuring circuit is made up of operation amplifier chip IC 2 and humidity sensor RS, be connected with electric capacity C306 and resistance R305 between 1 pin of described operation amplifier chip IC 2 and 10 pin, output terminal 8 pin of described operation amplifier chip IC 2 is connected with diode VD301 and VD302.
As shown in Figure 5, described first oscillatory circuit is made up of 555 integrated chips and resistance, electric capacity; 2 pin of described 555 integrated chips are connected with electric capacity C304, and 3 pin of described 555 integrated chips are connected with resistance R302 and variable resistor RP302, and 5 pin of described 555 integrated chips are connected with electric capacity C303.
As shown in Figure 6, described second oscillatory circuit is made up of 555 integrated chips and resistance, electric capacity; 4 pin of described 555 integrated chips are connected with the output terminal of 7 pin with described OR circuit, and 2 pin of described 555 integrated chips are connected with electric capacity C402, and 3 pin of described 555 integrated chips are connected with warning circuit, and 5 pin of described 555 integrated chips are connected with electric capacity C404.
As shown in Figure 7, OR circuit resistance R401, R402, R405 and diode VD402, VD403 are formed, be connected in series with described diode VD402 after resistance R405 is in parallel with diode VD403, foregoing circuit is connected with resistance R401 with after described resistance R402 parallel connection again.
As shown in Figure 8, described warning circuit is made up of integrated chip TDA2040 and loudspeaker.
As shown in Figure 9, described draining electric routing switch circuit and drainpipe are formed.
The control method of warmhouse booth temperature and humidity automatic control circuit of the present invention, comprising:
(1) when temperature is lower than 15 DEG C with higher than 30 DEG C, trigger alarm circuit alarm;
(2) when temperature be less than 20 DEG C be greater than 15 DEG C time, trigger heating arrangement heat;
(3) when temperature be greater than 25 DEG C be less than 30 DEG C time, trigger air interchanger take a breath;
(4) when humidity exceedes setting value, triggered discharge circuit carries out drain operation.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. a warmhouse booth temperature and humidity automatic control circuit, it is characterized in that: comprise power circuit, temperature sensing circuit, humidity measuring circuit, oscillatory circuit, OR circuit, warning circuit and draining circuit, described temperature sensing circuit comprises the first temperature sensing circuit and the second temperature sensing circuit, and described oscillatory circuit comprises the first oscillatory circuit and the second oscillatory circuit, described power circuit is connected with described first temperature sensing circuit and the second temperature sensing circuit respectively, the output of described first temperature sensing circuit is connected with described second temperature sensing circuit and OR circuit respectively, described second temperature sensing circuit is also connected with heating arrangement and air interchanger, the output of described OR circuit is connected with the second oscillatory circuit, the output of described second oscillatory circuit is connected with warning circuit, described power circuit is also connected with the first oscillatory circuit, the output of described first oscillatory circuit is connected with humidity measuring circuit, the output of described humidity measuring circuit is connected with draining circuit.
2. a kind of warmhouse booth temperature and humidity automatic control circuit according to claim 1, it is characterized in that: described first temperature sensing circuit is made up of amplifier chip IC1 and temperature sensor Rt, described temperature sensor Rt is connected with 5 pin of described amplifier chip IC1 and 6 pin respectively, 4 pin and 7 pin of described amplifier chip IC1 are connected with divider resistance, and 2 pin of described amplifier chip IC1 and 3 pin are as the output of the first temperature sensing circuit.
3. a kind of warmhouse booth temperature and humidity automatic control circuit according to claim 1, it is characterized in that: described second temperature sensing circuit is made up of amplifier chip IC1 and temperature sensor R1, described temperature sensor R1 is connected with 8 pin of described amplifier chip IC1 and 11 pin respectively, 9 pin and 10 pin of described amplifier chip IC1 are connected with divider resistance, 13 pin of described amplifier chip IC1 and 14 pin are as the output of the second temperature sensing circuit, 13 pin of described amplifier chip IC1 are connected with air interchanger, 14 pin of described amplifier chip IC1 are connected with heating arrangement.
4. a kind of warmhouse booth temperature and humidity automatic control circuit according to claim 1, it is characterized in that: described OR circuit resistance R401, R402, R405 and diode VD402, VD403 are formed, be connected in series with described diode VD402 after resistance R405 is in parallel with diode VD403, foregoing circuit is connected with resistance R401 with after described resistance R402 parallel connection again.
5. a kind of warmhouse booth temperature and humidity automatic control circuit according to claim 1, is characterized in that: described first oscillatory circuit is made up of 555 integrated chips and resistance, electric capacity; 2 pin of described 555 integrated chips are connected with electric capacity C304, and 3 pin of described 555 integrated chips are connected with resistance R302 and variable resistor RP302, and 5 pin of described 555 integrated chips are connected with electric capacity C303.
6. a kind of warmhouse booth temperature and humidity automatic control circuit according to claim 1, is characterized in that: described second oscillatory circuit is made up of 555 integrated chips and resistance, electric capacity; 4 pin of described 555 integrated chips are connected with the output terminal of 7 pin with described OR circuit, and 2 pin of described 555 integrated chips are connected with electric capacity C402, and 3 pin of described 555 integrated chips are connected with warning circuit, and 5 pin of described 555 integrated chips are connected with electric capacity C404.
7. a kind of warmhouse booth temperature and humidity automatic control circuit according to claim 1, it is characterized in that: described humidity measuring circuit is made up of operation amplifier chip IC 2 and humidity sensor RS, be connected with electric capacity C306 and resistance R305 between 1 pin of described operation amplifier chip IC 2 and 10 pin, output terminal 8 pin of described operation amplifier chip IC 2 is connected with diode VD301 and VD302.
8. a kind of warmhouse booth temperature and humidity automatic control circuit according to claim 1, is characterized in that: described warning circuit is made up of integrated chip TDA2040 and loudspeaker.
9. a kind of warmhouse booth temperature and humidity automatic control circuit according to claim 1, is characterized in that: described draining electric routing switch circuit and drainpipe are formed.
10. the control method of a kind of warmhouse booth temperature and humidity automatic control circuit according to arbitrary one of claim 1-9, is characterized in that:
(1) when temperature is lower than 15 DEG C with higher than 30 DEG C, trigger alarm circuit alarm;
(2) when temperature be less than 20 DEG C be greater than 15 DEG C time, trigger heating arrangement heat;
(3) when temperature be greater than 25 DEG C be less than 30 DEG C time, trigger air interchanger take a breath;
(4) when humidity exceedes setting value, triggered discharge circuit carries out drain operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510436343.7A CN104950965B (en) | 2015-07-23 | 2015-07-23 | A kind of greenhouse temperature and humidity automatic control circuit and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510436343.7A CN104950965B (en) | 2015-07-23 | 2015-07-23 | A kind of greenhouse temperature and humidity automatic control circuit and control method |
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| Publication Number | Publication Date |
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| CN104950965A true CN104950965A (en) | 2015-09-30 |
| CN104950965B CN104950965B (en) | 2018-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510436343.7A Active CN104950965B (en) | 2015-07-23 | 2015-07-23 | A kind of greenhouse temperature and humidity automatic control circuit and control method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105867452A (en) * | 2016-04-30 | 2016-08-17 | 杨明 | Circuit structure for greenhouse temperature control |
| CN113906938A (en) * | 2021-11-11 | 2022-01-11 | 创璟农业装备集团有限公司 | Method for adjusting intelligent plant environmental parameters of greenhouse |
| CN114003077A (en) * | 2021-11-11 | 2022-02-01 | 创璟农业装备集团有限公司 | Integral temperature control and air humidity control method for greenhouse |
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| US6062483A (en) * | 1995-08-03 | 2000-05-16 | Meletio; Larry B. | Electronic thermostat |
| CN2694736Y (en) * | 2003-12-15 | 2005-04-27 | 宋亚南 | Greenhouse multipurpose plant protaction instrument |
| CN102012711A (en) * | 2009-09-04 | 2011-04-13 | 南通恒帅机电设备有限公司 | Automatic temperature and humidity controller for greenhouses |
| CN104656713A (en) * | 2013-11-22 | 2015-05-27 | 陕西亚泰电器科技有限公司 | Chicken farm environment monitoring system based on single-chip microcomputer |
| CN204390089U (en) * | 2015-02-05 | 2015-06-10 | 榆林学院 | Warmhouse booth temperature and humidity control device |
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2015
- 2015-07-23 CN CN201510436343.7A patent/CN104950965B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6062483A (en) * | 1995-08-03 | 2000-05-16 | Meletio; Larry B. | Electronic thermostat |
| CN2694736Y (en) * | 2003-12-15 | 2005-04-27 | 宋亚南 | Greenhouse multipurpose plant protaction instrument |
| CN102012711A (en) * | 2009-09-04 | 2011-04-13 | 南通恒帅机电设备有限公司 | Automatic temperature and humidity controller for greenhouses |
| CN104656713A (en) * | 2013-11-22 | 2015-05-27 | 陕西亚泰电器科技有限公司 | Chicken farm environment monitoring system based on single-chip microcomputer |
| CN204390089U (en) * | 2015-02-05 | 2015-06-10 | 榆林学院 | Warmhouse booth temperature and humidity control device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105867452A (en) * | 2016-04-30 | 2016-08-17 | 杨明 | Circuit structure for greenhouse temperature control |
| CN113906938A (en) * | 2021-11-11 | 2022-01-11 | 创璟农业装备集团有限公司 | Method for adjusting intelligent plant environmental parameters of greenhouse |
| CN114003077A (en) * | 2021-11-11 | 2022-02-01 | 创璟农业装备集团有限公司 | Integral temperature control and air humidity control method for greenhouse |
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| CN104950965B (en) | 2018-07-20 |
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