CN103176491A - Automatic detecting, selecting and recording display system of cooling capacity required in facility cultivation of sweet cherry - Google Patents
Automatic detecting, selecting and recording display system of cooling capacity required in facility cultivation of sweet cherry Download PDFInfo
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- CN103176491A CN103176491A CN2013100795466A CN201310079546A CN103176491A CN 103176491 A CN103176491 A CN 103176491A CN 2013100795466 A CN2013100795466 A CN 2013100795466A CN 201310079546 A CN201310079546 A CN 201310079546A CN 103176491 A CN103176491 A CN 103176491A
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Abstract
The invention discloses an automatic detecting, selecting and recording display system of cooling capacity required in facility cultivation of sweet cherry. The automatic detecting, selecting and recording display system comprises an on-site temperature detecting unit (1), a signal conversion unit (2), a linear processing unit (3), a signal amplification unit (4), a digital display unit (5), a comparing unit (6), a power amplification unit (7), a control signal conversion and output unit (8), a power output control unit (9), a cooling capacity required recording display unit (10), a signal generation unit (11) for set value effectively selected at a low temperature and a manual-operation display control unit (12). An effective low temperature required in the facility cultivation of the sweet cherry can be automatically detected and selected, the accumulated cooling capacity required can be automatically and accurately recorded and displayed, so that the cooling capacity required by the sweet cherry during winter dormancy can be met; the reasonable dormancy and anti-season bud blossom ahead of time under the condition of the facility cultivation of the sweet cherry are facilitated; and the sweet cheery mature in advance, and commodity value of the same is effectively increased.
Description
Technical field
The present invention relates to the automatic control system in sweet cherry facility cultivation field, a kind of sweet cherry facility cultivation chilling requirement detects, selects, records display system automatically specifically.
Background technology
Chilling requirement (or need claiming cold accumulated temperature) is that the sweet cherry tree is to the requirement of the effective low temperature of physiological dormancy (temperature in certain scope) amount, in the planting environment effectively the low temperature survival the time number as measurement unit, only have and satisfied chilling requirement and just can complete natural dormancy, grow normally, for making sweet cherry energy anti-season ripen in advance, must adopt the facility anti-season such as the hot house planting environment temperature that raises in advance, just take the intensification measure as the chilling requirement deficiency, the sweet cherry tree also can sprout in advance, but it is uneven rudiment to occur, bear fruit bad, the output and quality degradation.And chilling requirement is long, can postpone again tree body rudiment and fruit maturation, significantly reduces the economic benefit of sweet cherry facility cultivation.So, accurately detect, select and control chilling requirement, be to determine that sweet cherry facility cultivation environment people is the key factor of heating-up time, be also the key of sweet cherry facility cultivation success or failure.
The effective low temperature system of selection of sweet cherry facility cultivation is a lot, it is at present domestic that what generally adopt is 0～7.2 ℃ of preference pattern, namely take 0～7.2 ℃ of temperature range as effective low temperature, the chilling requirement of domestic sweet cherry main breed is all in 500～1200 hours, between different cultivars, difference is larger, in case selected kind to the accurate control of its chilling requirement, just becomes early fruit maturity and obtains the key of high benefit.The observing and controlling of present domestic sweet cherry facility cultivation to chilling requirement, generally adopt personal monitoring's clocking method, detecting instrument is still continued to use traditional mercury, kerosene post or mechanical induction type thermometer, although this class temperature measuring device is cheap, simple to operate, but also exist function singleness, detection speed slow, need the shortcoming such as artificial execute-in-place.Because effectively the low temperature time of occurrence is different in size, and often appear at night and sombre weather, therefore, lean on artificial Site Detection fully and record chilling requirement, operation easier and labour intensity are very large, control because of chilling requirement and forbidden to cause of poor quality, yield poorly, thereby cause the phenomenon ubiquity of economic loss.
Summary of the invention
For solving the technical matters of above-mentioned existence, the invention provides a kind of sweet cherry facility cultivation chilling requirement and automatically detect, select, record display system, accurately control in the sweet cherry growth course requirement for chilling requirement, good quality of product, output is high, alleviate staff's labour intensity, save cost of labor, increase economic efficiency.
For achieving the above object, the technical solution adopted in the present invention is:
a kind of sweet cherry facility cultivation chilling requirement detects automatically, select, record display system, include the scene temperature detecting unit, signal conversion unit, the linearization process unit, signal amplification unit, digital display unit, comparing unit, power amplification unit, control signal conversion and output unit, the power supply output control unit, the chilling requirement recording and displaying unit, effectively low temperature is selected duty setting signal generating unit and manual indicative control unit, described scene temperature detecting unit, signal conversion unit, the linearization process unit, signal amplification unit, comparing unit, power amplification unit, control signal conversion and output unit, the power supply output control unit, the chilling requirement recording and displaying unit connects in turn, described signal amplification unit is connected with digital display unit, described effective low temperature selects the duty setting signal generating unit to be connected with digital display unit with comparing unit respectively, described manual indicative control unit is connected with the chilling requirement recording and displaying unit, and described power supply output control unit is connected with electric network source respectively with the indicative control unit of being connected.
Described scene temperature inspection side unit comprises temperature sensor and telesignalisation transmission cable, and described temperature sensor adopts AD590M semiconductor integrated temperature sensor.
Described comparing unit includes UTC358 type dual operational amplifier, working point location resistance and antinoise electric capacity.
Described effective low temperature selects the duty setting signal generating unit to include working point location resistance and duty setting signal regulator potentiometer, location, described working point resistance adopt temperature coefficient be ± 0.0005 ﹪/℃ RX710-A type precision wire-wound resistor, described duty setting signal regulator potentiometer select temperature coefficient be ± 0.002 ﹪/℃ HP-16 type accurate wire-wound potentiometer.
Described manual indicative control unit comprises AS1601-DR type pushbutton switch and anti-shake electric capacity.
Described chilling requirement record display device unit is by trigger A, 60 system counters second
, trigger B, 60 system minute counters
, trigger C, 100 system hour counters
, trigger D, 1000 system hour counters
Connect to form in turn with 8 LED display units, wherein 60 system counters second
, 60 system minute counters
With 100 system hour counters
Be connected with 8 LED display units respectively.
Trigger A in described chilling requirement recording and displaying unit adopts the 74AC11074 type to have predeterminable and integrated circuit trigger reset function.
Trigger B in described chilling requirement recording and displaying unit, trigger C, trigger D all adopt the CD54AC74 type to have the integrated circuit trigger of reset function.
60 system counters second in described chilling requirement recording and displaying unit
, 60 system minute counters
, 100 system hour counters
, 1000 system hour counters
Consist of by synchronous 10 system integrated counter 74LS160 cascades.
8 LED display units in described chilling requirement recording and displaying unit are made of 74HC595 type shift register and FJ5461BH type seven segment digital tubes.
The present invention is simple in structure, in conjunction with automatic control system, can automatically detect and select the required effective low temperature of sweet cherry facility cultivation, and the chilling requirement (effective low temperature survival time) of automatic accurately record and demonstration accumulation, to satisfy sweet cherry to the refrigeration requirement of winter dormancy, make sweet cherry tree can be under Protected Cultivation rationally dormancy and can anti-season shift to an earlier date rudiment and bloom, the fruit ripen in advance, effectively improve the commodity value of fruit, have that cost is low, characteristics of easy popularization, remarkable in economical benefits.
Description of drawings
Fig. 1 is structural principle schematic diagram of the present invention;
Fig. 2 is chilling requirement recording and displaying unit theory of constitution schematic diagram of the present invention.
Embodiment
Describe the present invention below in conjunction with the drawings and specific embodiments:
as shown in Figure 1, this sweet cherry facility cultivation chilling requirement detects automatically, select, record display system, include scene temperature detecting unit 1, signal conversion unit 2, linearization process unit 3, signal amplification unit 4, digital display unit 5, comparing unit 6, power amplification unit 7, control signal conversion and output unit 8, power supply output control unit 9, chilling requirement recording and displaying unit 10, effectively low temperature is selected duty setting signal generating unit 11 and manual indicative control unit 12, described scene temperature detecting unit 1, signal conversion unit 2, linearization process unit 3, signal amplification unit 4, comparing unit 6, power amplification unit 7, control signal conversion and output unit 8, power supply output control unit 9, chilling requirement recording and displaying unit 10 connects in turn, described signal amplification unit 4 is connected with digital display unit 5, described effective low temperature is selected duty setting signal generating unit 11 to be connected with digital display unit with comparing unit 6 respectively to be connected, described manual indicative control unit 12 is connected with chilling requirement recording and displaying unit 10, and described power supply output control unit 9 is connected with electric network source 13 respectively with the indicative control unit of being connected 12.
Described scene temperature inspection side unit 1 comprises temperature sensor and telesignalisation transmission cable, described temperature sensor adopts AD590M semiconductor integrated temperature sensor, have highly sensitive, reaction velocity is fast, with the characteristics of line long transmission distance, optimum is used in the large cherry facility cultivation.
Described comparing unit 6 includes UTC358 type dual operational amplifier, working point location resistance and antinoise electric capacity, can realize with the duty setting signal that chooses, compare with the electric signal that can represent the cultivation scene temperature, and amplify as required the size and Orientation of two kinds of signal difference, thereby select suitable effective low temperature recording interval by setting value.
Described effective low temperature selects duty setting signal generating unit 11 to include working point location resistance and duty setting signal regulator potentiometer, location, described working point resistance adopt temperature coefficient be ± 0.0005 ﹪/℃ RX710-A type precision wire-wound resistor, described duty setting signal regulator potentiometer select temperature coefficient be ± 0.002 ﹪/℃ HP-16 type accurate wire-wound potentiometer.
Described manual indicative control unit 12 comprises AS1601-DR type pushbutton switch and anti-shake electric capacity, and its function is when the effective low temperature of the on-the-spot nothing of cultivation, watches at any time the chilling requirement that has accumulated by hand push button.
As shown in Figure 2, described chilling requirement record display device unit 10 is by trigger A101,60 system counters second
102, trigger B103,60 system minute counters
104, trigger C105,100 system hour counters
106, trigger D107,1000 system hour counters
108 and 8 LED display units 109 connect to form in turn, wherein 60 system counters second
102,60 system minute counters
104 and 100 system hour counters
106 are connected with 8 LED display units 109 respectively, can show the record 1 second by 9999 hours with interior chilling requirement.
Trigger A101 in described chilling requirement recording and displaying unit 10 adopts the 74AC11074 type to have predeterminable and integrated circuit trigger reset function, each electricly all can automatically export trigger pip; Trigger B103, trigger C105, trigger D107 all adopt the CD54AC74 type to have the integrated circuit trigger of reset function; 60 system counters second
102,60 system minute counters
104,100 system hour counters
106,1000 system hour counters
108 consist of by synchronous 10 system integrated counter 74LS160 cascades; 8 LED display units 109 are made of 74HC595 type shift register and FJ5461BH type seven segment digital tubes, and capable of dynamic shows any chilling requirement in 1 second to 9999 hours.
when the present invention uses at the scene, temperature detecting unit 1 is with the ambient temperature signal at facility cultivation scene, pass through temperature sensor, telesignalisation transmission cable etc. is transported to signal conversion unit 2, convert electric signal to by signal conversion unit 2 and be transported to linearization process unit 3, flow to signal amplification unit 4 after linearization process, be divided into two-way after amplifying processing, one the tunnel is input to digital display unit 5, promote the temperature value that this unit shows that cultivation is on-the-spot, another road enters comparing unit 6, compare with duty setting signal, output control signal ingoing power amplifying unit 7 after comparison process, enter control signal conversion and output unit 8 after power amplification, this unit converts thereof into the control signal of controllable power output, and be transported to power supply output control unit 9, power supply output control unit 9 is according to the input signal that has linear relationship with the cultivation scene temperature, stop or carrying electric network source 13, show that when stopping electric network source 13 cultivation is on-the-spot without effectively low temperature existence, chilling requirement recording and displaying unit 10 does not accumulate the chilling requirement that does not yet show record, show that when carrying electric network source 13 the on-the-spot effectively low temperature of cultivation exists, chilling requirement recording and displaying unit 10 dynamically shows the chilling requirement of accumulation.
Certainly, above-mentioned explanation is not to be limitation of the present invention, and the present invention also is not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement also should belong to protection scope of the present invention.
Claims (10)
1. a sweet cherry facility cultivation chilling requirement detects automatically, select, record display system, it is characterized in that, include scene temperature detecting unit (1), signal conversion unit (2), linearization process unit (3), signal amplification unit (4), digital display unit (5), comparing unit (6), power amplification unit (7), control signal conversion and output unit (8), power supply output control unit (9), chilling requirement recording and displaying unit (10), effectively low temperature is selected duty setting signal generating unit (11) and manual indicative control unit (12), described scene temperature detecting unit (1), signal conversion unit (2), linearization process unit (3), signal amplification unit (4), comparing unit (6), power amplification unit (7), control signal conversion and output unit (8), power supply output control unit (9), chilling requirement recording and displaying unit (10) connects in turn, described signal amplification unit (4) is connected with digital display unit (5), described effective low temperature selects duty setting signal generating unit (11) to be connected 5 with comparing unit (6) with digital display unit respectively) be connected, described manual indicative control unit (12) is connected with chilling requirement recording and displaying unit (10), and described power supply output control unit (9) is connected with electric network source (13) respectively with the indicative control unit of being connected (12).
2. sweet cherry facility cultivation chilling requirement according to claim 1 detects, selects, records display system automatically, it is characterized in that, described scene temperature inspection side unit (1) comprises temperature sensor and telesignalisation transmission cable, and described temperature sensor adopts AD590M semiconductor integrated temperature sensor.
3. sweet cherry facility cultivation chilling requirement according to claim 1 detects, selects, records display system automatically, it is characterized in that, described comparing unit (6) includes UTC358 type dual operational amplifier, working point location resistance and antinoise electric capacity.
4. sweet cherry facility cultivation chilling requirement according to claim 1 detects, selects, records display system automatically, it is characterized in that, described effective low temperature selects duty setting signal generating unit (11) to include working point location resistance and duty setting signal regulator potentiometer, location, described working point resistance adopt temperature coefficient be ± 0.0005 ﹪/℃ RX710-A type precision wire-wound resistor, described duty setting signal regulator potentiometer select temperature coefficient be ± 0.002 ﹪/℃ HP-16 type accurate wire-wound potentiometer.
5. sweet cherry facility cultivation chilling requirement according to claim 1 detects, selects, records display system automatically, it is characterized in that, described manual indicative control unit (12) comprises AS1601-DR type pushbutton switch and anti-shake electric capacity.
6. sweet cherry facility cultivation chilling requirement according to claim 1 detects, selects, records display system automatically, it is characterized in that, described chilling requirement record display device unit (10) is by trigger A(101), 60 system counters second
(102), trigger B(103), 60 system minute counters
(104), trigger C(105), 100 system hour counters
(106), trigger D(107), 1000 system hour counters
(108) and 8 LED display units (109) connect to form in turn, wherein 60 system counters second
(102), 60 system minute counters
(104) and 100 system hour counters
(106) be connected with 8 LED display units (109) respectively.
7. sweet cherry facility cultivation chilling requirement according to claim 6 detects, selects, records display system automatically, it is characterized in that the trigger A(101 in described chilling requirement recording and displaying unit (10)) adopt the 74AC11074 type to have predeterminable and integrated circuit trigger reset function.
8. sweet cherry facility cultivation chilling requirement according to claim 6 detects, selects, records display system automatically, it is characterized in that the trigger B(103 in described chilling requirement recording and displaying unit (10)), trigger C(105), trigger D(107) all adopt the CD54AC74 type to have the integrated circuit trigger of reset function.
9. sweet cherry facility cultivation chilling requirement according to claim 6 detects, selects, records display system automatically, it is characterized in that 60 system counters second in described chilling requirement recording and displaying unit (10)
(102), 60 system minute counters
(104), 100 system hour counters
(106), 1000 system hour counters
(108) consist of by synchronous 10 system integrated counter 74LS160 cascades.
10. sweet cherry facility cultivation chilling requirement according to claim 6 detects, selects, records display system automatically, it is characterized in that, 8 LED display units (109) in described chilling requirement recording and displaying unit (10) are made of 74HC595 type shift register and FJ5461BH type seven segment digital tubes.
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Cited By (4)
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| CN104041368A (en) * | 2014-06-13 | 2014-09-17 | 四川省农业科学院园艺研究所 | Method for fast detecting cooling capacity needed by peaches |
| CN107027605A (en) * | 2017-05-08 | 2017-08-11 | 宁波市农业科学研究院 | A kind of method of half live body culture assay cherry chilling requirement |
| CN113068546A (en) * | 2021-03-31 | 2021-07-06 | 广东积微科技有限公司 | Air conditioner control method for greenhouse low-temperature refrigeration |
| CN113575240A (en) * | 2021-09-02 | 2021-11-02 | 西北农林科技大学 | Plant low-temperature injury evaluation early warning system based on accumulated air temperature shortage |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113068546A (en) * | 2021-03-31 | 2021-07-06 | 广东积微科技有限公司 | Air conditioner control method for greenhouse low-temperature refrigeration |
| CN113575240A (en) * | 2021-09-02 | 2021-11-02 | 西北农林科技大学 | Plant low-temperature injury evaluation early warning system based on accumulated air temperature shortage |
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