CN109006412A - A kind of chamber crop irrigation decision prior-warning device and method - Google Patents
A kind of chamber crop irrigation decision prior-warning device and method Download PDFInfo
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- CN109006412A CN109006412A CN201811087818.6A CN201811087818A CN109006412A CN 109006412 A CN109006412 A CN 109006412A CN 201811087818 A CN201811087818 A CN 201811087818A CN 109006412 A CN109006412 A CN 109006412A
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- 238000003973 irrigation Methods 0.000 title claims abstract description 227
- 230000002262 irrigation Effects 0.000 title claims abstract description 227
- 238000000034 method Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 101
- 239000007787 solid Substances 0.000 claims abstract description 5
- 238000001704 evaporation Methods 0.000 claims description 66
- 230000008020 evaporation Effects 0.000 claims description 65
- 230000005855 radiation Effects 0.000 claims description 39
- 238000004891 communication Methods 0.000 claims description 13
- 239000004973 liquid crystal related substance Substances 0.000 claims description 13
- 230000007613 environmental effect Effects 0.000 abstract description 27
- 238000012544 monitoring process Methods 0.000 abstract description 23
- 230000008569 process Effects 0.000 description 11
- 230000002354 daily effect Effects 0.000 description 10
- 230000007246 mechanism Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 241000894007 species Species 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000003203 everyday effect Effects 0.000 description 5
- 238000007689 inspection Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 241000208340 Araliaceae Species 0.000 description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 235000008434 ginseng Nutrition 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 240000008067 Cucumis sativus Species 0.000 description 1
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010219 correlation analysis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000012821 model calculation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
- A01G25/167—Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
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- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
It includes: outer housing, sensor telecommunicating interface and processor that the embodiment of the present invention, which provides a kind of chamber crop irrigation decision prior-warning device and method, the device,；Outer housing is used to provide solid space for each component of chamber crop irrigation decision prior-warning device；Sensor telecommunicating interface is set on outer housing, is connect with processor, and the greenhouse environment information for obtaining sensor is sent to processor；Processor is set to inside outer housing, for being irrigated according to greenhouse environment information and default irrigation volume early warning value parameter early warning.Greenhouse irrigation warning device and method provided in an embodiment of the present invention, the functions such as the monitoring of temperature collecting chamber's environmental information and irrigation decision early warning, both the regulation to greenhouse can have been realized according to the greenhouse environment information of monitoring, scientific and reasonable irrigation management can also be carried out according to the irrigation information of decision, the accurate supply to crop water is realized, solves the problems, such as when chamber crop pours water, it is how many to pour water every time.
Description
Technical field
The present invention relates to agricultural production more particularly to a kind of chamber crop irrigation decision prior-warning devices.
Background technique
Irrigating is important field management measure under Protected Cultivation, scientific and reasonable irrigation be improve yield of vegetables and
The key and important leverage of improving quality.Currently, although the Water Saving Irrigation Modes such as drip irrigation and spray irrigation have obtained in vegetable production in green house
To extensive use, but blindly irrigates phenomenon and still exist.It determines to find out its cause, lacking intelligence corresponding with Water-saving Irrigation Model
Plan method and apparatus be cause blindly irrigate still there are the main reason for, be especially the absence of one kind can to warm indoor crops what
When pour water and the portable prior-warning device for how many progress irrigation decisions of pouring water every time.
It is capable of the meteorological shape of concentrated expression crop growth environment using the water surface evaporation (Epan) that standard pan measures
Condition.Studies have shown that the water consumption process and water consumption of sunlight indoor crops are measured with 20cm standard pan at the top of canopy is placed on
Evaporation from water surface process and evaporation capacity it is almost the same.Therefore, scientific and reasonable irrigation project can be formulated using water surface evaporation.
In the prior art, the water surface evaporation in facilities environment generally uses standard pan directly to measure, reading data
It will be based on manually participating in evaporating dish moisturizing, measurement accuracy is poor, and the measurement period is long, although also there is the automatic data and automatic of reading
The application of water replanishing device, but the data obtained directly cannot provide support for irrigation decision.
Summary of the invention
The embodiment of the present invention is to overcome drawbacks described above, provides a kind of chamber crop irrigation decision prior-warning device and method.
In a first aspect, the embodiment of the present invention provides a kind of chamber crop irrigation decision prior-warning device, comprising: outer housing, biography
Sensor communication interface and processor；
The outer housing is used to provide solid space for each component of the chamber crop irrigation decision prior-warning device；
The sensor telecommunicating interface is set on the outer housing, is connected to the processor, for obtaining sensor
The greenhouse environment information taken is sent to the processor；
The processor is set to inside the outer housing, for pre- according to the greenhouse environment information and default irrigation volume
Alert value parameter early warning is irrigated.
Second aspect, the embodiment of the present invention provide a kind of chamber crop irrigation decision method for early warning, comprising:
Greenhouse environment information and default irrigation volume early warning value parameter are obtained, the greenhouse environment information includes warm room air
Temperature, warm indoor air humidity and solar radiation；
It is irrigated according to the greenhouse environment information and the default irrigation volume early warning value parameter early warning.
Greenhouse irrigation warning device and method provided in an embodiment of the present invention, the monitoring of temperature collecting chamber's environmental information and irrigation
The functions such as warning can both realize the regulation to greenhouse according to the greenhouse environment information of monitoring, can also basis
The irrigation information of decision carries out scientific and reasonable irrigation management, realizes the accurate supply to crop water, solves greenhouse work
When object pour water, how many problem of pouring water every time.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of chamber crop irrigation decision prior-warning device of the embodiment of the present invention；
Fig. 2 is a kind of flow diagram of chamber crop irrigation decision method for early warning of the embodiment of the present invention；
Fig. 3 is a kind of decision process schematic diagram of chamber crop irrigation decision method for early warning of the embodiment of the present invention；
Fig. 4 is water surface evaporation of the embodiment of the present invention analogue value and measured value relational graph.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached in the embodiment of the present invention
Figure, is clearly and completely described the technical solution in the present invention, it is clear that described embodiment is one of the invention
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of creative work.
Fig. 1 is a kind of structural schematic diagram of chamber crop irrigation decision prior-warning device of the embodiment of the present invention, as shown in Figure 1,
Include:
Outer housing 101, sensor telecommunicating interface 102 and processor 103；
The outer housing 101 is used to provide solid space for each component of the chamber crop irrigation decision prior-warning device；
The sensor telecommunicating interface 102 is set on the outer housing 101, is connect with the processor 103, and being used for will
The greenhouse environment information that sensor obtains is sent to the processor 103；
The processor 103 is set to inside the outer housing 101, for according to the greenhouse environment information and default filling
The amount of irrigating early warning value parameter early warning is irrigated.
Chamber crop irrigation decision prior-warning device provided in an embodiment of the present invention includes that outer housing 101, sensor communication connect
Mouth 102 and processor 103, wherein outer housing 101 is used to provide one for all parts of chamber crop irrigation decision prior-warning device
Fixed solid space, shape can be determines according to actual conditions, it is preferred that the shape of outer housing 101 is hollow cuboid.
Irrigation decision early warning is made of information collection with two parts of early warning are irrigated, and information collection is by sensor telecommunicating interface 102
It completes, sensor telecommunicating interface 102 is for connecting external sensor, to acquire the greenhouse letter of real-time change in greenhouse
Breath.Wherein, greenhouse environment information mainly includes air themperature, air humidity and solar radiation etc. to greenhouse water evaporation quantity shadow
Ring biggish factor.The sensors such as air themperature, air humidity and solar radiation are set in greenhouse to be measured, for obtaining air
Temperature, air humidity and solar radiation isothermal chamber environmental information, sensor telecommunicating interface 102 is by connection the sensor, i.e.,
The air themperature, air humidity and solar radiation isothermal chamber environmental information data that each sensor obtains can be sent to processor
103, processor 103 can air themperature, air humidity and solar radiation isothermal chamber environmental information data based on acquisition, foundation
The mechanism process that evaporation from water surface occurs, establishes model, simulates to water surface evaporation, and then estimates and obtain the filling of chamber crop
The amount of irrigating, and irrigated according to irrigation volume and default irrigation volume early warning value parameter early warning.
The forecast of actual irrigation time is the aggregate-value according to greenhouse irrigation amount compared with default irrigation volume early warning value parameter
It obtains, if the aggregate-value for the greenhouse irrigation amount that simulation is calculated has been more than default irrigation volume early warning value parameter, on the day of
It carries out early warning and guidance is irrigated, otherwise the same day is without irrigating.For example, processor 103 according to get air themperature, air
Humidity and solar radiation isothermal chamber environmental information establish model according to the mechanism process that evaporation from water surface occurs, and calculate every day
The water evaporation quantity in the greenhouse obtains the irrigation volume of every day in turn.Assuming that default irrigation volume early warning value parameter is 10mm, according to
The irrigation volume that first day greenhouse water evaporation quantity obtains first day is 3mm, less than 10mm, then without early warning and is referred within first day
Lead irrigation；Second day irrigation volume obtained according to the greenhouse water evaporation quantity on the same day is 4mm, and irrigation volume aggregate-value is 7mm, second
Also not early warning and guidance guidance are irrigated for it；The irrigation volume in third day is 4mm, and it has been more than default filling that irrigation volume aggregate-value, which is 11mm,
The amount of irrigating early warning value parameter, then the third day device carries out early warning, staff can according to the decision of the device, third day into
Row irrigation volume is the irrigation of 11mm.Then, irrigation volume aggregate-value is reset, and re-starts operation next time.
A kind of chamber crop irrigation decision prior-warning device provided by the invention, the monitoring of temperature collecting chamber's environmental information and irrigation decision
The functions such as early warning can both realize the regulation to greenhouse according to the greenhouse environment information of monitoring, can also be according to decision
Irrigation information carry out scientific and reasonable irrigation management, realize the accurate supply to crop water, it is assorted to solve chamber crop
When pour water, how many problem of pouring water every time.
As shown in Figure 1, on the basis of the above embodiments, described device further includes front panel 104 and input keyboard 105,
Wherein:
The front panel 104 is set to 101 surface of outer housing；
The input keyboard 105 is set on the front panel 104, is connect with the processor 103, for being arranged and adjusting
The whole default irrigation volume early warning value parameter.
In the embodiment of the present invention, front panel 104 is a part of the device, is set to the surface of outer housing 101, is used for
Other component is set thereon.Input keyboard 105 is set on front panel 104, for being arranged and adjusting default irrigation volume early warning value
Parameter.Default irrigation volume early warning value parameter is the value being arranged in advance, is generally determined based on practical experience, in actual production,
The irrigation volume aggregate-value of crop is implemented to irrigate when reaching default irrigation volume early warning value parameter, and the growing state of crop is preferable.The dress
It sets needs and decides whether early warning irrigation time according to whether irrigation volume aggregate-value reaches default irrigation volume early warning value parameter, if filling
The amount of irrigating aggregate-value reaches default irrigation volume early warning value parameter, then the device carries out early warning, to remind staff to carry out irrigation behaviour
Make.Under actual conditions, due to the difference of crop species in greenhouse, the environment such as air themperature, air humidity and solar radiation
Difference will affect the setting of greenhouse water surface evaporation and default irrigation volume early warning value parameter, need at this time according to the actual situation
To be configured to default irrigation volume early warning value parameter.When greenhouse changes, it is also desirable to readjust the default irrigation of setting
Measure early warning value parameter.At this point, input keyboard 105 presets irrigation volume early warning value parameter for being arranged and adjusting this, so that should
The better effect that the early warning decision guidance of device is irrigated.
When carrying out irrigation early warning using chamber crop irrigation decision prior-warning device provided in an embodiment of the present invention, including information
Acquisition and irrigation two parts of early warning.Firstly, presetting irrigation volume early warning value ginseng determines according to actual conditions before information collection
Several values, and default irrigation volume early warning value parameter is set by the input keyboard 105 on front panel 104, it is pre- to preset irrigation volume
The setting of alert value parameter needs to be codetermined according to the environment in actual greenhouse and type of chamber crop etc..Information collection is
It is completed by sensor telecommunicating interface 102, sensor telecommunicating interface 102 is real in greenhouse to acquire for connecting external sensor
The greenhouse environment information of Shi Bianhua.Greenhouse environment information includes, mainly including air themperature, air humidity and solar radiation etc.
The factor being affected to greenhouse water evaporation quantity.Sensor telecommunicating interface 102 passes through connection air themperature, air humidity and too
The greenhouse environment information data that each sensor obtains are sent to processor 103,103 energy of processor by the sensors such as sun radiation
Enough air themperature, air humidity and solar radiation isothermal chamber environmental information data based on acquisition carry out mould to water surface evaporation
It is quasi-, and then estimate the irrigation volume of chamber crop, and according to irrigation volume and default irrigation volume early warning value parameter early warning irrigation time, refer to
Lead irrigation.
For example, chamber crop irrigation decision prior-warning device is according to the air themperature, air humidity and sun spoke got
Isothermal chamber environmental information is penetrated, according to the mechanism process that evaporation from water surface occurs, establishes model, obtains the daily moisture evaporation in the greenhouse
Amount, to obtain daily irrigation volume.And default irrigation volume early warning value parameter should be set as 10mm according to the actual situation, answer at this time
It first passes through input keyboard 105 and sets the default irrigation volume early warning value parameter.When the irrigation volume aggregate-value in the greenhouse reaches default
When irrigation volume early warning value parameter, which carries out early warning and and guides irrigation.That is, if first day irrigation volume in the greenhouse is 3mm, not
Reach default irrigation volume early warning value parameter, not early warning in first day；Second day irrigation volume is 4mm, and irrigation volume aggregate-value is 7mm,
Not up to default irrigation volume early warning value parameter, not early warning in second day；The irrigation volume in third day is 3mm, and irrigation volume aggregate-value is
10mm has reached default irrigation volume early warning value parameter, and the same day device carries out early warning, and guides staff to carry out irrigation volume and is
The irrigation of 10mm.Then, irrigation volume aggregate-value is reset, and re-starts operation next time.
A kind of chamber crop irrigation decision prior-warning device provided by the invention is arranged by input keyboard and is adjusted default
Irrigation volume early warning value parameter can be adjusted according to different greenhouse and crop species, meanwhile, the device temperature collecting chamber ring
The functions such as border information monitoring and irrigation decision early warning can both be realized according to the greenhouse environment information of monitoring to greenhouse
Regulation, can also carry out scientific and reasonable irrigation management according to the irrigation information of decision, realize the accurate confession to crop water
It gives, solves the problems, such as when chamber crop pours water, it is how many to pour water every time.
On the basis of the above embodiments, described device further includes liquid crystal display 106, and the liquid crystal display 106 is set
It on the front panel 104, is connect with the processor 103, for showing real-time greenhouse environment information and irrigating information.
As shown in Figure 1, liquid crystal display 106 is set on front panel 104, for show real-time greenhouse environment information and
Irrigate information.When carrying out early warning using chamber crop irrigation decision prior-warning device provided in an embodiment of the present invention, including information is adopted
Collection and irrigation two parts of early warning.Information collection is completed by sensor telecommunicating interface 102 first, sensor telecommunicating interface
102 for connecting external sensor, for acquiring the greenhouse environment information of real-time change in greenhouse.Greenhouse environment information includes,
The main factor being affected including air themperature, air humidity and solar radiation etc. to greenhouse water evaporation quantity.Sensor
Communication interface 102 is obtained sensor by connecting the sensors such as the indoor air themperature of temperature to be measured, air humidity and solar radiation
The greenhouse environment information data taken are sent to processor 103, and processor 103 being capable of air themperature, air humidity based on acquisition
And solar radiation isothermal chamber environmental information data simulate water surface evaporation, and then estimate the irrigation volume of chamber crop, and
It is irrigated according to irrigation volume and default irrigation volume early warning value parameter early warning.In the meantime, liquid crystal display 106 and processor 103 connect
It connects, the greenhouse environment information data measured can be passed through sensor by the sensors such as air themperature, air humidity and solar radiation
Communication interface 102 is sent to processor 103, while liquid crystal display 106 can also be obtained in real time by connecting with processor 103
To air themperature, air humidity and solar radiation isothermal chamber environmental information, and show.When the device early warning, work is and guided
When irrigating as personnel, irrigating information also can be sent to liquid crystal display 106 by processor 103, to show, this
Sample, staff can easily recognize temperature by the greenhouse environment information and irrigation information that liquid crystal display 106 is shown
The state of room crop is realized to warm indoor environment information and is irrigated real-time monitoring and the control of information, improves the experience of user.
A kind of chamber crop irrigation decision prior-warning device provided by the invention, the monitoring of temperature collecting chamber's environmental information and irrigation decision
The functions such as early warning can both realize the regulation to greenhouse according to the greenhouse environment information of monitoring, can also be according to decision
Irrigation information carry out scientific and reasonable irrigation management, realize the accurate supply to crop water, it is assorted to solve chamber crop
When pour water, how many problem of pouring water every time.Meanwhile the greenhouse environment information and irrigation letter shown in conjunction with liquid crystal display
Breath understands chamber crop state in which, realizes to warm indoor environment information and irrigate real-time monitoring and the control of information.
On the basis of the above embodiments, described device further includes network communication interface 107, the network communication interface
107 connect with the processor 103, irrigate information and the greenhouse environment information for sending to terminal.
When carrying out early warning using chamber crop irrigation decision prior-warning device provided in an embodiment of the present invention, including information collection
With irrigation two parts of early warning.Information collection is completed by sensor telecommunicating interface 102 first, sensor telecommunicating interface 102
For connecting external sensor, for acquiring the greenhouse environment information of real-time change in greenhouse.Greenhouse environment information includes, mainly
The factor being affected including air themperature, air humidity and solar radiation etc. to greenhouse water evaporation quantity.Sensor communication
Interface 102 is obtained each sensor by connecting the sensors such as the indoor air themperature of temperature to be measured, air humidity and solar radiation
The greenhouse environment information data got are sent to processor 103, processor 103 can air themperature based on acquisition, air it is wet
Degree and solar radiation isothermal chamber environmental information data simulate water surface evaporation, and then estimate the irrigation volume of chamber crop,
And early warning is irrigated after irrigation volume aggregate-value reaches default irrigation volume early warning value parameter.In the meantime, liquid crystal display 106 and place
It manages device 103 to connect, the sensors such as air themperature, air humidity and solar radiation can lead to the greenhouse environment information data measured
It crosses sensor telecommunicating interface 102 and is sent to processor 103, while network communication interface 107 is with processor 103 by connecting,
Air themperature, air humidity and solar radiation isothermal chamber environmental information can be got in real time, and irrigate information.Particularly, net
Network communication interface 107 can also be sent to the irrigation information mobile phone terminal or the end PC, realize to warm indoor environment information and
Irrigate real-time monitoring and the control of information.
A kind of chamber crop irrigation decision prior-warning device provided by the invention, the monitoring of temperature collecting chamber's environmental information and irrigation decision
The functions such as early warning can both realize the regulation to greenhouse according to the greenhouse environment information of monitoring, can also be according to decision
Irrigation information carry out scientific and reasonable irrigation management, realize the accurate supply to crop water, it is assorted to solve chamber crop
When pour water, how many problem of pouring water every time.Information hair by greenhouse environment information and is irrigated by network communication interface simultaneously
Send the real-time monitoring for realizing to warm indoor environment information and irrigating information to terminal and control.
On the basis of the above embodiments, described device further includes player 108, the player 108 and the processing
Device 103 connects, for playing real-time greenhouse environment information and irrigating information.
When carrying out early warning using chamber crop irrigation decision prior-warning device provided in an embodiment of the present invention, including information collection
With irrigation two parts of early warning.Information collection is completed by sensor telecommunicating interface 102 first, sensor telecommunicating interface 102
For connecting external sensor, to acquire the greenhouse environment information of real-time change in greenhouse.Greenhouse environment information includes, main to wrap
Include the factor that air themperature, air humidity and solar radiation etc. are affected to greenhouse water evaporation quantity.Sensor communication connects
The sensors such as the indoor air themperature of 102 connection temperature to be measured of mouth, air humidity and solar radiation, can obtain greenhouse letter
Breath.Then the greenhouse environment information data that each sensor is got are sent to processor 103 by sensor telecommunicating interface 102,
Processor 103 can air themperature, air humidity and solar radiation isothermal chamber environmental information data based on acquisition to the water surface steam
Hair amount is simulated, and then estimates the irrigation volume of chamber crop, and reaches default irrigation volume early warning value ginseng in irrigation volume aggregate-value
Early warning when number.In the meantime, liquid crystal display 106 is connect with processor 103, air themperature, air humidity and solar radiation etc.
Sensor can send processor 103 by sensor telecommunicating interface 102 for the greenhouse environment information data measured, broadcast simultaneously
Device 108 is put by connecting with processor 103, can also get air themperature, air humidity and solar radiation isothermal chamber ring in real time
Border information, and information is irrigated, and broadcasted.Particularly, when irrigation volume aggregate-value reaches default irrigation volume early warning value parameter
When, which carries out early warning, and player 108 will do it voice broadcast, reminds staff to carry out irrigation operation, prevents due to work
Make the careless omission of personnel and forgets.
A kind of chamber crop irrigation decision prior-warning device provided by the invention, the monitoring of temperature collecting chamber's environmental information and irrigation decision
The functions such as early warning can both realize the regulation to greenhouse according to the greenhouse environment information of monitoring, can also be according to decision
Irrigation information carry out scientific and reasonable irrigation management, realize the accurate supply to crop water, it is assorted to solve chamber crop
When pour water, how many problem of pouring water every time.Greenhouse environment information and irrigation information are carried out by player simultaneously real-time
Casting, realize to warm indoor environment information and irrigate information real-time monitoring and control.
On the basis of the above embodiments, described device further includes power supply, and the power supply is used to power to described device.
There are many power supply modes of the device, including rechargeable and dry battery type.As shown in Figure 1, power interface 109 is to use
In being connected and fixed power supply, power to the device, secondly, the device further includes dry cell 110, after dry cell 110 is installed, the dress
Setting can move, more convenient, and a variety of power supply modes guarantee the job stability of device.The device further includes power switch 111,
Power switch 111 controls the opening and closing of whole device.When needing to carry out early warning using device, turn on the power switch
111, it when not needing use device, is then closed, avoids unnecessary waste.
Fig. 2 is a kind of flow diagram of chamber crop irrigation decision method for early warning of the embodiment of the present invention, as shown in Fig. 2,
Include:
Step 21, greenhouse environment information and default irrigation volume early warning value parameter are obtained, the greenhouse environment information includes temperature
Indoor air temperature, warm indoor air humidity and solar radiation；
Step 22, it is irrigated according to the greenhouse environment information and the default irrigation volume early warning value parameter early warning.
Chamber crop irrigation decision method for early warning provided in an embodiment of the present invention includes information collection and irrigation early warning two
Part forms.Be first by sensor telecommunicating interface complete information collection, acquisition be real-time change in greenhouse greenhouse ring
Border information mainly includes the factor that air themperature, air humidity and solar radiation etc. are affected to greenhouse water evaporation quantity.
Sensor telecommunicating interface can connect the sensors such as air themperature, air humidity and solar radiation, and sensor is in greenhouse to be measured
It is interior, greenhouse environment information can be obtained.Then the greenhouse environment information number that sensor telecommunicating interface gets each sensor
According to processor is sent to, processor being capable of air themperature, air humidity and solar radiation isothermal chamber environmental information based on acquisition
Data simulate water surface evaporation, and then estimate the irrigation volume of chamber crop, and reach default filling in irrigation volume aggregate-value
Early warning is irrigated after the amount of irrigating early warning value parameter.
For example, chamber crop irrigation decision prior-warning device is according to the air themperature, air humidity and sun spoke got
Isothermal chamber environmental information is penetrated, according to the mechanism process that evaporation from water surface occurs, establishes model, the moisture for calculating greenhouse every day steams
Hair amount.Assuming that default irrigation volume early warning value parameter is 10mm, filling in first day was obtained according to first day greenhouse water evaporation quantity
The amount of irrigating is 3mm, less than 10mm, is then irrigated without early warning and guidance within first day；It is evaporated according to the greenhouse moisture on the same day within second day
The irrigation volume measured is 4mm, and irrigation volume aggregate-value is 7mm, and also not early warning and guidance guidance are irrigated within second day；The filling in third day
The amount of irrigating is 4mm, and it has been more than default irrigation volume early warning value parameter that irrigation volume aggregate-value, which is 11mm, then the third day device carries out pre-
Alert, staff can carry out the irrigation that irrigation volume is 11mm in third day according to the decision of the device.Then, irrigation volume is tired
Evaluation is reset, and re-starts operation next time.
A kind of chamber crop irrigation decision method for early warning provided by the invention, the monitoring of temperature collecting chamber's environmental information and irrigation decision
The one such as early warning can both realize the regulation to greenhouse according to the greenhouse environment information of monitoring, can also be according to the filling of decision
It irrigates information and carries out scientific and reasonable irrigation management, realize the accurate supply to crop water, solve what when of chamber crop
Time pour water, how many problem of pouring water every time.
On the basis of the above embodiments, described to be joined according to the greenhouse environment information with the default irrigation volume early warning value
Number early warning irrigation time, specifically includes:
Water surface evaporation in greenhouse is obtained according to the greenhouse environment information；
Total irrigation volume is obtained according to water surface evaporation in the greenhouse；
According to total irrigation volume and the default irrigation volume early warning value parameter, early warning is irrigated.
Further, described that total irrigation volume is obtained according to water surface evaporation in the greenhouse, it specifically includes:
Crop coefficient is determined according to crop species in greenhouse；
Total irrigation volume is obtained according to water surface evaporation in the greenhouse and the crop coefficient.
Water surface evaporation in greenhouse is obtained according to greenhouse environment information, mainly according to the mechanism mistake that evaporation from water surface occurs
Journey simulates water surface evaporation in greenhouse.
Specifically, the greenhouse environment information includes air themperature, relative humidity and solar radiation.Believed according to greenhouse
Breath obtains water surface evaporation in greenhouse, mainly according to the mechanism process that evaporation from water surface occurs, extracts the pass for influencing evaporation from water surface
Key environmental factor is air themperature, and the factors such as solar radiation and Saturation vapor pressure difference simulate the temperature using dual-factor model
Indoor water surface evaporation.
It obtains in greenhouse after water surface evaporation, obtains total irrigation volume in conjunction with crop coefficient, which is to irrigate
Measure aggregate-value.
Total irrigation volume is obtained according to water surface evaporation in the greenhouse and the crop coefficient, mainly first according to every day temperature
Indoor water surface evaporation and crop coefficient obtain irrigation volume day by day, then are added up to obtain total irrigation volume day by day.
Crop coefficient is a variable related with crop, changing rule in process of crop growth be early period by it is small to
Greatly, reach maximum (1.0 or so) in plant growth vigorous period, the later period is gradually reduced.Crop coefficient is in certain environmental conditions
With obtained under crop, size and local environment and crop species are related, and varying environment condition or crop can all cause crop
The variation of coefficient.The reference index that crop coefficient is designed and managed frequently as farmland water conservancy works.Common kcIt indicates.K in practicec
Value can be obtained by two ways, one is by inspection information, one is obtained by experiment.It is obtained by experiment
kcThe method of value is as follows:
Multiple crops that same growing state is essentially identical are selected first, and multiple identical crops are in same environment
Under, at this time in the same time, the evaporation capacity of this each crop is essentially identical.The device provided according to embodiments of the present invention
Measure the evaporation capacity E of cropp, and record.At the same time this multiple crop is implemented to irrigate at this time, each crop fills
The water irrigate is all each unequal, but the water of each crop irrigation and the Ratio control of evaporation capacity are between 0.5-1.2.Then every
Certain period of time observes and measures the growing state of each crop.The optimal one group of crop of growing state is selected, its irrigation is recorded
Measure I, I and EpRatio be crop coefficient kc。
In the embodiment of the present invention, crop coefficient, the value k of crop coefficient are determined according to chamber crop type firstcOne
As between 0.7-1.0, need to be determined according to different crop species and actual greenhouse.Obtain crop coefficient
Afterwards, further according to water surface evaporation in greenhouse, the irrigation volume of chamber crop can be obtained.
Irrigation volume estimates formula are as follows:
F=kcEp
Wherein, F is chamber crop irrigation volume (mm)；EpFor water surface evaporation in greenhouse (mm)；kcFor crop coefficient.
For example, the crop planted in certain greenhouse is cucumber, obtaining its corresponding crop coefficient through inspection information is 0.75, according to
The greenhouse water surface evaporation that data acquisition device obtains one day is 2mm, then its corresponding same day irrigation volume I=0.75*2mm=
1.5mm。
The irrigation volume obtained according to above-mentioned estimation formula is day by day irrigation volume, i.e. the greenhouse irrigation amount of every day, further according to
Day by day irrigation volume obtains total irrigation volume
Wherein, I is irrigation volume aggregate-value (mm) in n days, i.e., total irrigation volume, (kcEp)iFor i-th day irrigation volume (mm).
After obtaining total irrigation volume, then by it compared with default irrigation volume early warning value parameter, when total irrigation volume reaches default filling
When the amount of irrigating early warning value parameter, the number of days needed is irrigation time.
For example, simulating water surface evaporation in the greenhouse, the dual-factor model using dual-factor model are as follows:
Ep=f (Δ e, RT)
Wherein, EpIt is the product (W/m of solar radiation and temperature for water surface evaporation (mm), RT2), Δ e is saturation vapour pressure
Poor (kPa).
Preferably, the EpFor water surface evaporation day by day, the RT is average daily solar radiation and average daily air themperature multiplies
Product, the Δ e are calculated by following formula:
Δ e=es-ea
Wherein, esFor Saturation vapor pressure difference (kPa), eaFor actual vapor pressure difference (kPa).
Further, esWith eaIt is calculated respectively by following formula:
ea=es RH/100
Wherein, T is average daily temperature (DEG C) in greenhouse, and RH is average daily relative humidity (%).
In the embodiment of the present invention, crop coefficient, the value k of crop coefficient are determined according to chamber crop type firstcOne
As between 0.7-1.0, need to be determined according to different crop species and actual greenhouse.Obtain crop coefficient
Afterwards, further according to greenhouse water surface evaporation, the irrigation volume of chamber crop can be obtained.
Using the dual-factor model to E day by day in greenhousepIt is simulated, the irrigation volume calculation formula are as follows:
Wherein, I is to accumulate irrigation volume (mm) in n days, (kcpEp)iFor i-th day irrigation volume (mm), kcFor pre-set steaming
Send out ware-crop coefficient, kcDifferent k is arranged according to Different Crop for value range 0.7~1.0c。
According to total irrigation volume and the default irrigation volume early warning value parameter, early warning is irrigated, specifically first according to reality
Default irrigation volume early warning value parameter is arranged in situation, if total irrigation volume reaches default irrigation volume early warning value parameter, device carries out pre-
It is alert, to remind staff to carry out irrigation operation.
On the basis of the above embodiments, the method also includes:
Early warning is sent to user terminal and irrigates information, so that user terminal irrigates information irrigated crop according to the early warning.
The irrigation information and environmental information not only can be real-time by the liquid crystal display of the irrigation prealarming device
It shows, voice broadcast can also be carried out when staff is close to greenhouse irrigation prior-warning device, while can be by early warning
It irrigates information and is sent to staff's mobile phone terminal, realize the real-time control to information and environmental information is irrigated, and in this, as temperature
The important evidence and reference standard of room environmental regulation and scientific application of irrigation.
Fig. 3 is a kind of decision process schematic diagram of chamber crop irrigation decision method for early warning of the embodiment of the present invention, such as Fig. 3 institute
Show, comprising:
Step 31, greenhouse environment information is acquired；
Step 32, greenhouse water surface evaporation is simulated according to greenhouse environment information；
Step 33, irrigation volume is estimated according to greenhouse water surface evaporation, early warning is irrigated；
Step 34, voice broadcast and to terminal send early warning irrigate information, so that user terminal is irrigated according to the early warning
Information irrigated crop.
Specifically, the greenhouse environment information includes air themperature, relative humidity and solar radiation.It is steamed according to the water surface occurs
The mechanism process of hair, it is air themperature, solar radiation and saturation vapour pressure that extracting, which influences the key environmental factors of evaporation from water surface,
The factors such as difference simulate water surface evaporation in the greenhouse using dual-factor model.The dual-factor model are as follows:
Ep=f (Δ e, RT)
Wherein, EpIt is the product (W/m of solar radiation and temperature for water surface evaporation (mm), RT2), Δ e is saturation vapour pressure
Poor (kPa).
Preferably, the EpFor water surface evaporation day by day, the RT is average daily solar radiation and average daily air themperature multiplies
Product, the Δ e are calculated by following formula:
Δ e=es-ea
Wherein, esFor Saturation vapor pressure difference (kPa), eaFor actual vapor pressure difference (kPa).
Further, esWith eaIt is calculated respectively by following formula:
ea=es RH/100
Wherein, T is average daily temperature (DEG C) in greenhouse, and RH is average daily relative humidity (%).
According to the dual-factor model calculation method, steamed using the water surface in actual measurement greenhouse on March 7th, 2017 to June 26
Hair amount data and greenhouse data construct dual-factor model are as follows:
Ep=0.39+0.355 Δ e+0.001RT
The inspection result of model is as shown in table 1, and wherein model related coefficient is up to 0.908, significance test sig.=0.000
< 0.01, illustrate that model is significant.
1 water surface evaporation dual-factor model inspection result of table
Model was verified to 12 day temperature indoor test data in December using on August 10th, 2017 simultaneously, Fig. 4 is this
The inventive embodiments water surface evaporation analogue value and measured value relational graph, as shown in figure 4, straight line y=0.412+0.798x is the water surface
The analogue value of evaporation capacity, the scattered point in Fig. 3 are the measured value of water surface evaporation, and n is sample point number.Correlation analysis shows
The related coefficient of the water surface evaporation analogue value and measured value based on dual-factor model is 0.9586, in extremely it is significant it is related (P <
0.01), illustrate that the precision of modeling is higher.
Further, using the dual-factor model to E day by day in greenhousepIt is simulated, the irrigation volume calculation formula
Are as follows:
Wherein, I is to accumulate irrigation volume (mm) in n days, (kcEp)iFor i-th day irrigation volume (mm), kcFor pre-set steaming
Send out ware-crop coefficient, kcDifferent k is arranged according to Different Crop for value range 0.7~1.0c, it is preferable that the present embodiment is directed to
The k of greenhouse tomatocValue 0.8.Preferably, 10~15mm of irrigation volume early warning value, this reality are set in the irrigation prealarming device
Value 12mm in example is applied, i.e., when the irrigation volume I is greater than or equal to 12mm, carries out irrigation early warning.According in the present embodiment
Parameter is set, it can be achieved that 5~10d pours water once, each irrigation quantity is 12mm or so.
A kind of greenhouse irrigation warning method provided by the invention, the monitoring of temperature collecting chamber's environmental information and irrigation decision early warning
Deng one, the regulation to greenhouse can have both been realized according to the greenhouse environment information of monitoring, can also have been believed according to the irrigation of decision
Breath carries out scientific and reasonable irrigation management, realizes the accurate supply to crop water, solves when chamber crop fills
Water, how many problem of pouring water every time.
The above description is only a preferred embodiment of the present invention, is not intended to restrict the invention.The technical field of the invention
Technical staff can make various modifications or additions to the described embodiments, but without departing from of the invention
Spirit surmounts the range that the appended claims define.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, and those skilled in the art is it is understood that it still can be right
Technical solution documented by foregoing embodiments is modified or equivalent replacement of some of the technical features；And this
It modifies or replaces, the spirit and model of technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (10)
1. a kind of chamber crop irrigation decision prior-warning device characterized by comprising
Outer housing, sensor telecommunicating interface and processor；
The outer housing is used to provide solid space for each component of the chamber crop irrigation decision prior-warning device；
The sensor telecommunicating interface is set on the outer housing, is connected to the processor, for obtain sensor
Greenhouse environment information is sent to the processor；
The processor is set to inside the outer housing, for according to the greenhouse environment information and default irrigation volume early warning value
Parameter early warning is irrigated.
2. the apparatus according to claim 1, which is characterized in that described device further includes front panel and input keyboard, in which:
The front panel is set to the external hull surface；
The input keyboard is set on the front panel, is connected to the processor, for being arranged and adjusting the default filling
The amount of irrigating early warning value parameter.
3. the apparatus according to claim 1, which is characterized in that described device further includes liquid crystal display, the liquid crystal
Display screen is placed on the front panel, is connected to the processor, for showing real-time greenhouse environment information and irrigating information.
4. the apparatus according to claim 1, which is characterized in that described device further includes network communication interface, the network
Communication interface is connected to the processor, and irrigates information and the greenhouse environment information for sending to terminal.
5. the apparatus according to claim 1, which is characterized in that described device further includes player, the player and institute
Processor connection is stated, for playing real-time greenhouse environment information and irrigating information.
6. device according to claim 1-5, which is characterized in that described device further includes power supply, the power supply
For powering to described device.
7. a kind of method based on any one of claim 1-6 described device characterized by comprising
It obtains greenhouse environment information and default irrigation volume early warning value parameter, the greenhouse environment information includes Air Temperature in greenhouse
Degree, warm indoor air humidity and solar radiation；
It is irrigated according to the greenhouse environment information and the default irrigation volume early warning value parameter early warning.
8. the method according to the description of claim 7 is characterized in that described according to the greenhouse environment information and the default filling
The amount of irrigating early warning value parameter early warning is irrigated, and is specifically included:
Water surface evaporation in greenhouse is obtained according to the greenhouse environment information；
Total irrigation volume is obtained according to water surface evaporation in the greenhouse；
According to total irrigation volume and the default irrigation volume early warning value parameter, early warning is irrigated.
9. according to the method described in claim 8, it is characterized in that, which is characterized in that it is described to be steamed according to the water surface in the greenhouse
Hair amount obtains total irrigation volume, specifically includes:
Crop coefficient is determined according to crop species in greenhouse；
Total irrigation volume is obtained according to water surface evaporation in the greenhouse and the crop coefficient.
10. according to the described in any item methods of claim 7-9, which is characterized in that the method also includes:
Early warning is sent to user terminal and irrigates information, so that user terminal irrigates information irrigated crop according to the early warning.
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| CN113016450A (en) * | 2021-03-22 | 2021-06-25 | 北京农业智能装备技术研究中心 | Greenhouse crop irrigation method and system |
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| CN114451257A (en) * | 2021-12-23 | 2022-05-10 | 珠海格力电器股份有限公司 | Irrigation method and device based on neural network, storage medium and electronic equipment |
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