CN103477966B - A kind of Intelligent medium-frequency ultrasonic atomizing cultivator - Google Patents
A kind of Intelligent medium-frequency ultrasonic atomizing cultivator Download PDFInfo
- Publication number
- CN103477966B CN103477966B CN201310414850.1A CN201310414850A CN103477966B CN 103477966 B CN103477966 B CN 103477966B CN 201310414850 A CN201310414850 A CN 201310414850A CN 103477966 B CN103477966 B CN 103477966B
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- China
- Prior art keywords
- frequency ultrasonic
- nutrient solution
- medium
- ultrasonic atomizer
- spray chamber
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
- B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
- B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
- B05B17/0638—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers spray being produced by discharging the liquid or other fluent material through a plate comprising a plurality of orifices
- B05B17/0646—Vibrating plates, i.e. plates being directly subjected to the vibrations, e.g. having a piezoelectric transducer attached thereto
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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- Hydroponics (AREA)
- Special Spraying Apparatus (AREA)
- Cultivation Of Plants (AREA)
Abstract
The present invention relates to aerial fog cultivation, refer in particular to a kind of Intelligent medium-frequency ultrasonic atomizing cultivator.It comprises: the switch board of medium frequency ultrasonic atomizer, Temperature Humidity Sensor, band MCU and relay, spray chamber, tube-axial fan, fog conveyance conduit, nutrient solution reflux line and cultivation case.It is characterized in that described Temperature Humidity Sensor gathers rhizosphere ambient temperature and humidity, the spray amount of shower nozzle and spray time, the rotating speed of fan and ventilation time is controlled by MCU, thus control the temperature and humidity of rhizosphere environment, plant is in suitable environment all the time, realizes Based Intelligent Control; This device adopts medium frequency ultrasonic atomizer, and its circuit structure is simple, driving voltage is low, and atomization quantity is large, operating efficiency is high; Fog conveyance conduit and nutrient solution reflux line ensure that nutrient solution recycles, and make fog availability high, economize energy.
Description
Technical field
The present invention relates to aerial fog cultivation, refer in particular to a kind of Intelligent medium-frequency ultrasonic atomizing cultivator.
Background technology
Aerial fog cultivation is a kind of cultivation mode of economizing on water the most, the control of insect pest can reduce more than 75%, can without the need to the soil disinfection of first bromo, can effectively control the pollution of environment, the nutrient solution of aerosol training completes the supply of nutrient and moisture in a tight locking type circulatory system, zero outer row can be realized, accomplish sustainable effect free from environmental pollution; Root hangs on aerial cultivation completely, does not need conventional soil to be the farming of medium, puies forward sorrow without any water and soil loss; All the technology of most potentiality to be exploited and prospect at present on horticultural production with research, any one cultivation mode can not be compared in the past, quality and the quantity of production can be improved significantly, greatly reducing the input of manpower, fertilizer, water and agricultural chemicals, is a main development project and the highly efficient agricultural technology of following greenhouse culture.Atomizer is as the key core parts of aerosol training system, its performance directly affects the effect of aerosol training, current ultrasonic atomizatio both domestic and external is all carry out Nutrient Mist by the ultrasonic vibration in ceramic thickness direction (or by ceramic thickness direction vibratory drive atomizer), shortcomings such as having that drive circuit voltage is high, circuit is extremely complicated, system heating is serious, shower nozzle inefficiency, safety are low, poor reliability and droplet easily leak.
Summary of the invention
The present invention is intended to invent a kind of medium frequency ultrasonic atomizer that adopts and sprays, and atomization quantity is large, droplet sizes can grow the high Intelligent medium-frequency ultrasonic atomizing cultivator of demand Intelligent adjustment, safety and reliability in real time according to crop.
Culturing device of the present invention comprises switch board, spray chamber, tube-axial fan, fog conveyance conduit, the nutrient solution reflux line of medium frequency ultrasonic atomizer (its frequency range 80-200K), Temperature Humidity Sensor, band MCU and relay and cultivates case; The antetheca of cultivation case is provided with the field planting hole of proportional spacing, is used for cultivated plant; In case, Temperature Humidity Sensor is installed, gathers rhizosphere ambient temperature and humidity; Outside cultivation case, switch board is installed in side, MCU and relay are wherein housed, MCU is connected with Temperature Humidity Sensor, cultivation case and switch board are provided with spray chamber with side bottom, nutrient solution is equipped with in spray chamber inside, and medium frequency ultrasonic atomizer is evenly arranged on location-plate, and location-plate two ends foam connects, be placed on and be equipped with in the spray chamber of nutrient solution, the lower surface of medium frequency ultrasonic atomizer is overlapped with the upper surface of nutrient solution; Spray chamber top is provided with tube-axial fan, fog conveyance conduit and nutrient solution reflux line; Tube-axial fan communicates with spray chamber, under wind-force effect, droplet in spray chamber enters cultivation case by droplet conveyance conduit from cultivation case upper end, just be back to spray chamber from cultivation case lower end when cultivating when the nutrient solution height in case reaches the height in the hole on nutrient solution reflux line, nutrient solution is recycled; Relay connects medium frequency ultrasonic atomizer and tube-axial fan; MCU receives temperature value that sensor records and rh value to control the rotating speed of fan and ventilation time, the spray amount of shower nozzle and spray time, thus controls the temperature and humidity of rhizosphere environment, realizes Based Intelligent Control; The nutrient solution of this device completes the supply of nutrient and moisture in a tight locking type circulatory system, can realize zero outer row, accomplish the effect that Intelligent uninterruptible is free from environmental pollution.
In described cultivation case, Temperature Humidity Sensor is installed, Temperature Humidity Sensor should be fixed on cultivation case antetheca inwall and close plant root.
Described medium frequency ultrasonic atomizer is made up of metal end caps and piezoelectric ceramics, metal end caps is a bronze medal metal disk, its diameter is 10-25mm, thickness is greater than 0.5mm and is less than 1mm, the centre of metal disk has diameter to be the circular protrusions of 3mm, and have the ring-shaped piezo ceramic matched with metal end caps shape size in the downside of metal end caps, piezoelectric ceramic thickness is 1.5mm, piezoelectric ceramics annulus axis of small circle is 8mm, and axis of great circle is consistent with metal end caps diameter is 10-25mm; Metal end caps and the equal connection control line of piezoelectric disc, the other end of control line connects relay, and medium frequency ultrasonic atomizer, by the radial motion of piezoelectric ceramics, drives the axially-movable of metal end caps, thus produces a large amount of mists.
Described medium frequency ultrasonic atomizer is evenly arranged on location-plate and refers to that medium frequency ultrasonic atomizer is placed on location-plate, plate is placed with altogether 50 atomizers, is divided into five rows, and each row 10 is 1 group, and the frequency of 5 groups is different.
The antetheca of described cultivation case is provided with the field planting hole of proportional spacing, and field planting hole diameter is 2cm, is inserted with plant in hole, and the contact position of plant and hole wall fixedly prevents from leaking gas with sponge.
There is the shortcomings such as drive circuit voltage high (more than 24v), circuit are extremely complicated, system heating is serious, shower nozzle inefficiency in existing ultrasonic atomizer, and the medium frequency ultrasonic atomizer of this device has, and circuit structure is simple, driving voltage is low, circuit does not generate heat substantially, atomization quantity large, droplet sizes can grow demand Intelligent adjustment, safety and reliability high in real time according to crop, have more practicality.
In sum, the present invention adopts a kind of mid-frequency ultrasonic atomizer based on radial vibration to spray, and its atomization quantity is large, droplet sizes can grow the high Intelligent medium-frequency ultrasonic atomizing cultivator of demand Intelligent adjustment, safety and reliability in real time according to crop.
Accompanying drawing explanation
Fig. 1 Intelligent medium-frequency ultrasonic atomizing cultivator shaft side figure;
Fig. 2 Intelligent medium-frequency ultrasonic atomizing cultivator right view;
Fig. 3 spray chamber enlarged drawing;
The arrangement of Fig. 4 medium frequency ultrasonic atomizer and installation network for location;
Fig. 5 medium frequency ultrasonic atomizer structural representation;
Fig. 6 medium frequency ultrasonic atomizer course of work schematic diagram;
Fig. 7 control circuit schematic diagram;
Fig. 8 field planting hole Local map;
1, fog conveyance conduit; 2, switch board; 3, Temperature Humidity Sensor; 4, nutrient solution reflux line; 5, tube-axial fan; 6, spray chamber; 7, medium frequency ultrasonic atomizer; 8, case is cultivated; 9, field planting hole; 10, cystosepiment; 11, location-plate; 12, medium frequency ultrasonic atomizer control line; 13, metal end caps; 14, piezoelectric ceramics; 15, the piezoelectric vibrator after stretching; 16, the piezoelectric vibrator after shrinking; 17, sponge; 18, plant; 19, Temperature Humidity Sensor control line; 20, iron wire.
Embodiment
Composition graphs 1, the antetheca of cultivation case 8 is evenly drilled with the field planting hole 9 of diameter 2cm, is inserted with plant 18 in hole, contact position fixedly prevents gas leakage with sponge 17, Temperature Humidity Sensor 3 supports with iron wire, be placed in cultivation case 8 (as Fig. 8), be connected with MCU, switch board 2 is installed in the right outside side of cultivation case 8, MCU and relay is had in it, MCU receives temperature value that Temperature Humidity Sensor 3 records and rh value to control the rotating speed of tube-axial fan 5 and ventilation time, the spray amount of medium frequency ultrasonic atomizer 7 and spray time, thus controls the temperature and humidity of rhizosphere environment, realizes Based Intelligent Control, composition graphs 4, Fig. 7, field planting position plate 11 has 50 medium frequency ultrasonic atomizer 7, medium frequency ultrasonic atomizer is divided into 5 groups, every class frequency is different, such as 80K, 107K, 150K, 180K, 200K, thus often group produces the droplet of different-grain diameter, more be conducive to plant growth, each group has 10 medium frequency ultrasonic atomizer 7, it is raw that the droplet total amount produced meets plant, each group medium frequency ultrasonic atomizer 7 connects a relay, have 6 relays, its voltage is 5V, wherein 5 relays connect 5 groups of medium frequency ultrasonic atomizer 7 respectively, the voltage of medium frequency ultrasonic atomizer 7 is 5V, 1 relay connecting axle flow fan 5, the voltage of tube-axial fan 5 is 12V, composition graphs 5, Fig. 6, medium frequency ultrasonic atomizer 7 is made up of metal end caps 13 and piezoelectric ceramics 14, metal end caps 13 is a bronze medal metal disk, its diameter is 10-25mm, thickness is greater than 0.5mm and is less than 1mm, the centre of metal disk has diameter to be the circular protrusions of 3mm, the ring-shaped piezo ceramic 14 matched with metal end caps 13 shape size is had in the downside of metal end caps 13, the thickness of piezoelectric ceramics 14 is 1.5mm, piezoelectric ceramics 14 annulus axis of small circle is 8mm, axis of great circle is consistent with metal end caps 13 diameter is 10-25mm, metal end caps 13 and piezoelectric ceramics 14 all connection control lines, the other end often organizing control line connects relay, medium frequency ultrasonic atomizer 7 is arranged on location-plate 11, cystosepiment 10 is installed at location-plate 11 two ends, location-plate 11 is made to float on the nutrient solution of spray chamber 6, the lower surface of medium frequency ultrasonic atomizer 7 overlaps with the upper surface of nutrient solution, medium frequency ultrasonic atomizer 7 is by the radial motion of piezoelectric ceramics 14, drive the axially-movable of metal end caps 13, produce a large amount of droplet, under the effect of tube-axial fan 5, droplet is by fog conveyance conduit 1, enter cultivation case 8, just spray chamber 6 is back to when cultivating the nutrient solution height in case 8 and reaching the height in the hole on nutrient solution reflux line 4.
Claims (5)
1. an Intelligent medium-frequency ultrasonic atomizing cultivator, is characterized in that: described cultivator comprises switch board, spray chamber, tube-axial fan, fog conveyance conduit, the nutrient solution reflux line of medium frequency ultrasonic atomizer, Temperature Humidity Sensor, band MCU and relay and cultivates case; The antetheca of cultivation case is provided with the field planting hole of proportional spacing, is used for cultivated plant; In case, Temperature Humidity Sensor is installed, gathers rhizosphere ambient temperature and humidity; Outside cultivation case, switch board is installed in side, MCU and relay are wherein housed, MCU is connected with Temperature Humidity Sensor, cultivation case and switch board are provided with spray chamber with side bottom, nutrient solution is equipped with in spray chamber inside, and medium frequency ultrasonic atomizer is evenly arranged on location-plate, and location-plate two ends foam connects, be placed on and be equipped with in the spray chamber of nutrient solution, the lower surface of medium frequency ultrasonic atomizer is overlapped with the upper surface of nutrient solution; Spray chamber top is provided with tube-axial fan, fog conveyance conduit and nutrient solution reflux line; Tube-axial fan communicates with spray chamber, under wind-force effect, droplet in spray chamber enters cultivation case by droplet conveyance conduit from cultivation case upper end, just be back to spray chamber from cultivation case lower end when cultivating when the nutrient solution height in case reaches the height in the hole on nutrient solution reflux line, nutrient solution is recycled; Relay connects medium frequency ultrasonic atomizer and tube-axial fan; MCU receives temperature value that sensor records and rh value to control the rotating speed of fan and ventilation time, the spray amount of shower nozzle and spray time, thus controls the temperature and humidity of rhizosphere environment, realizes Based Intelligent Control; The frequency range of described medium frequency ultrasonic atomizer is 80-200K, operating voltage is 5V, it is made up of metal end caps and piezoelectric ceramics, metal end caps is a bronze medal metal disk, its diameter is 10-25mm, thickness is greater than 0.5mm and is less than 1mm, the centre of metal disk has diameter to be the circular protrusions of 3mm, the ring-shaped piezo ceramic matched with metal end caps shape size is had in the upside of metal end caps, piezoelectric ceramic thickness is 1.5mm, piezoelectric ceramics annulus axis of small circle is 8mm, and axis of great circle is consistent with metal end caps diameter is 10-25mm; Metal end caps and the equal connection control line of piezoelectric ceramics, the other end of control line connects relay, and medium frequency ultrasonic atomizer, by the radial motion of piezoelectric ceramics, drives the axially-movable of metal end caps, thus produces atomization.
2. a kind of Intelligent medium-frequency ultrasonic atomizing cultivator as claimed in claim 1, is characterized in that: install Temperature Humidity Sensor in described cultivation case, Temperature Humidity Sensor should be fixed on cultivation case antetheca inwall and close plant root.
3. a kind of Intelligent medium-frequency ultrasonic atomizing cultivator as claimed in claim 1, it is characterized in that: described medium frequency ultrasonic atomizer is evenly arranged on location-plate and refers to that medium frequency ultrasonic atomizer is placed on location-plate, plate is placed with altogether 50 atomizers, be divided into five rows, each row 10 is 1 group, and the frequency of 5 groups is different.
4. a kind of Intelligent medium-frequency ultrasonic atomizing cultivator as claimed in claim 1, is characterized in that: described field planting hole diameter is 2cm, is inserted with plant in hole, the contact position of plant and hole wall fixedly prevents from leaking gas with sponge.
5. a kind of Intelligent medium-frequency ultrasonic atomizing cultivator as claimed in claim 1, is characterized in that: the operating voltage of described tube-axial fan is 12V.
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WO2015123725A1 (en) * | 2014-02-20 | 2015-08-27 | Horticultural Innovations Pty Ltd | Vertical plant cultivation system |
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US20080098650A1 (en) * | 2006-10-30 | 2008-05-01 | Mao-Sheng Lee | Sprout cultivation device |
CN101926279B (en) * | 2010-06-29 | 2011-12-28 | 华中农业大学 | Intelligent cultivation method and device for producing bean sprouts |
CN102553767A (en) * | 2011-12-13 | 2012-07-11 | 南京航空航天大学 | Piezoelectric ceramic ultrasonic atomizing sheet |
CN102948360A (en) * | 2012-03-22 | 2013-03-06 | 中国林业科学研究院华北林业实验中心 | Three-dimensional self-control plant aerosol culture apparatus |
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