CN103477911B - Space plant culture device - Google Patents

Space plant culture device Download PDF

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Publication number
CN103477911B
CN103477911B CN201310408133.8A CN201310408133A CN103477911B CN 103477911 B CN103477911 B CN 103477911B CN 201310408133 A CN201310408133 A CN 201310408133A CN 103477911 B CN103477911 B CN 103477911B
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China
Prior art keywords
moistening
planting disk
chamber
planting
plant culture
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CN103477911A (en
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陈敏
杨有泉
邓素芳
林营志
刘晖
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Institute of Agricultural Ecology of Fujian Academy of Agricultural Sciences
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Institute of Agricultural Ecology of Fujian Academy of Agricultural Sciences
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25Greenhouse technology, e.g. cooling systems therefor

Abstract

The invention provides a kind of space plant culture device, comprise an incubator, incubator forms two chambers in left and right by a longitudinal baffle segmentation, described left chamber is provided with two-layer up and down, upper strata is provided with red duckweed moistening and planting disk, lower floor is provided with vegetables moistening and planting disk, described right chamber is provided with seedling dish for cultivating, red duckweed moistening and planting disk, vegetables moistening and planting disk, be provided with above seedling dish for cultivating for LED lamp panel, right chamber is also provided with for providing the bellows catch box of plant culture fluid and the peristaltic pump for driving culture fluid to flow, invention possesses self complete red duckweed and the plant culture fluid feed system needed for the growth in the time of infertility of short and small salad type vegetables and LED illumination system and monitoring system thereof, can set by on-line parameter, autostore record and intelligence control system, to the colony of these plants of research, individual photosynthetic efficiency and biological yield High-efficient Production cycle and Changing Pattern under space microgravity environment thereof, can meeting spatial scientific experiment and space station key technology experiment demand.

Description

Space plant culture device
Technical field
The present invention relates to a kind of space plant culture device.
Background technology
Controlled ecological life support system (be called for short CELSS) is the AS that the mankind carry out following long-time, remote, many occupants human spaceflight operation and can trust.The prerequisite of carrying out CELSS system research space station cultivated plant, be also in recent years various countries in the field of space station primary study.In existing whole manned capsule, astronaut also can only eat compressed foods all day, eats less than fresh food, and this badly influences the physical and mental health of astronaut under microgravity, is stranded in space station for a long time after also having influence on.Therefore, in flight capsule, introduce green plants imperative, it not only can absorb the CO2 that astronaut's respiration produces, and discharges O2, can also gather in the crops fresh vegetables and eat for astronaut, achieve many things at one stroke within breeding time.
Domestic existing space plant culture device, great majority adopt agar medium or capillary materials to cultivate plant as matrix, and moisture and nutriment are disposable, and incubation time is short, have been difficult to the cultivation of plant whole breeding time.The device developed have only as ground-test plant, cannot verify its heaven feasibility.
Summary of the invention
The present invention is directed to the short problem that cannot adapt to whole cultivation breeding time of plant of existing space plant growing device incubation time to improve, the present invention adopts plant moistening, planting method, configuration enclosed culture fluid perfusion feed system, realize the growth monitoring needed for the test of small plant long-term cultivation and integrated environment monitoring function, be intended to be applied to flight test in-orbit.
Specific embodiment of the invention scheme is: a kind of space plant culture device, comprise an incubator, described incubator forms two chambers in left and right by a longitudinal baffle segmentation, described left chamber is provided with two-layer up and down, upper strata is provided with red duckweed moistening and planting disk, lower floor is provided with vegetables moistening and planting disk, described right chamber is provided with seedling dish for cultivating, described red duckweed moistening and planting disk, the LED lamp panel for giving plant illumination is equipped with above vegetables moistening and planting disk and seedling dish for cultivating, described right chamber is also provided with for providing the bellows catch box of plant culture fluid and the peristaltic pump for driving culture fluid to circulate.
Further, described red duckweed moistening and planting disk and vegetables moistening, planting tray bottom are all equipped with retaining moisture retaining groundmass layer, the support matrix that seeps water layer to lower and upper and take root grown layer, described retaining moisture retaining groundmass layer is porous ceramic particles, be provided with retaining moisture retaining groundmass layer in seedling dish for cultivating, described retaining moisture retaining groundmass layer is evenly equipped with the infiltration pipeline with water seepage hole.
Further, also arrange some field planting circles in the infiltration support matrix layer of described vegetables moistening and planting disk and seedling dish for cultivating, described field planting circle arranges by the seeding row spacing of plant different growing.
Further, described bellows catch box is provided with delivery port and water inlet, the water inlet of described infiltration pipeline is connected with bellows catch box delivery port through peristaltic pump, and the delivery port of infiltration pipeline is connected with the water inlet of bellows catch box and forms moisture and nutriment supply circuit.
Further, cooling-water temperature sensor, water heater, hydraulic pressure sensor and fluid infusion mouth is also provided with in described bellows catch box.
Further, described incubator left chamber inwall is provided with air feed airflow fence, and described air feed airflow fence front end is provided with miniature draft fan.
Further, described LED lamp panel is electrically connected with the light source driving board be arranged at above right chamber and LED stepless-adjustment tabula rasa, described LED lamp panel is provided with 83% red-light LED and 17% blue-ray LED, and described light source board face is also coated with the mirror face reflection coating that can improve intensity of illumination and the uniformity.
Further, humidity of media sensor and light together valid radiation sensor is provided with in described red duckweed moistening and planting disk, vegetables moistening and planting disk and seedling dish for cultivating.
Further, described incubator is also configured with atmosphere environmental factors timely monitor device and warning device,
Further, the right chamber sidewall of described incubator is provided with in control cabinet described in control cabinet and is provided with main control board, and the clear camera of dual-path high-definition and touch display screen, described main control board is connected with the sensor in incubator, monitoring device, warning device.
Compared with prior art, the present invention has following beneficial effect:
(1) there is not water termination in space station, and contrive equipment adopts moistening, planting method, and the wet medium of supporting in plant moistening and planting disk in retaining moisture retaining groundmass layer remains abundant moisture state, and dielectric surface oozes out without open fire.The present invention also arranges humidity sensor in plant cultivation dish, by controlling peristaltic pump output flow and peristaltic pump discontinuous operation cycle, supply to infiltration pipeline, under guaranteeing that dielectric surface oozes out prerequisite without open fire, for plant provides nutrient and moisture in conjunction with enclosed culture fluid bellows catch box.The realization of plant moistening, planting method, breach space plant growing and be confined to plantlet in vitro or Seedling Stage, this respect will integrate with international most advanced level.
(2) this contrive equipment is built-in with red duckweed moistening and planting disk and vegetables moistening and planting disk at incubator, because the plants such as red duckweed, romaine lettuce, green water cress and hare's-lettuce all belong to salad type vegetables, the feature such as have that breeding time after fast growth, field planting is short, plant height is shorter, economic coefficient is high and eating mouth feel is good, is adapted at cultivation in space plant culture device; Study the colony of these plants, individual photosynthetic efficiency and biological yield High-efficient Production cycle and Changing Pattern under space microgravity environment thereof, be intended to in self-loopa CELSS system, the matter and energy efficiency of supply of plant provides theoretical foundation, meet the demand of carrying out space science experiment and the experiment of space station key technology, for the development of China's manned space flight successive projects is had laid a good foundation.
(3) the LED light source system emphasis in invention considers the impact on plant photosynthesis efficiency.Adopt 83% red-light LED and 17% blue-ray LED as photosynthesis of plant initiatively radiating light source.Due to LED lamp panel and dielectric surface spacing less time, uniform illumination degree is obviously bad, and particularly blue-ray LED quantity is little, and only account for 17%, majority of plant blade face can not get blue light illumination, affects the morphogenesis of plant.Therefore, the present invention increases mirror face reflection coating on light source board face, to improve intensity of illumination and the uniformity thereof, and then improves the photosynthetic yield of plant.
(4) the present invention possesses self complete red duckweed and the plant culture fluid feed system needed for the growth in the time of infertility of short and small salad type vegetables and LED illumination system and monitoring system thereof, can on-line parameter setting, autostore record and Based Intelligent Control.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is A-A cutaway view in Fig. 1.
in figure: 1-incubator, 2-dividing plate, 3-left chamber, the right chamber of 4-, the red duckweed moistening and planting disk of 5-, 6-vegetables moistening and planting disk, 7-seedling dish for cultivating, 8-LED lamp plate, 9-light source driving board, 10-LED stepless-adjustment tabula rasa, 31 air feed airflow fences, 41-bellows catch box, 44-camera, 45-touch display screen, 51(61,71)-retaining moisture retaining groundmass layer, 52(62)-infiltration support matrix layer, 63-seeps water pipeline, 64(74)-field planting circle, 65-humidity of media sensor, 66-light together valid radiation sensor.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
As shown in Fig. 1 ~ 2, a kind of space plant culture device, comprise an incubator 1, described incubator 1 by a longitudinal baffle 2 split formed left and right two chambers, described left chamber 3 is provided with two-layer up and down, upper strata is provided with red duckweed moistening and planting disk 5, lower floor is provided with vegetables moistening and planting disk 6, described right chamber is provided with seedling dish for cultivating 7, described red duckweed moistening and planting disk 5, vegetables moistening and planting disk 6, the LED lamp panel 8 for giving plant illumination is equipped with above seedling dish for cultivating 7, described right chamber 4 is also provided with for providing the bellows catch box 41 of plant culture fluid and the peristaltic pump 42 for driving culture fluid to flow.
Space plant culture device incubator 1 outer profile size to meet in the closed cabin of space station two standard locker units by the inside dimension requirement after combination up and down.Plant cultivation dish arranges 2 layers, and upper strata is that red duckweed moistening and planting disk 5 is bearing on three joint guide rails, can pull out or advance, and is convenient to point agronomic conditions such as duckweed, harvesting and other maintenance.
Light source driving board 9 and the LED stepless-adjustment tabula rasa 10 of described LED lamp panel 8 and the side be arranged at above right chamber 4 are electrically connected, and the LED light source system emphasis in invention considers the impact on plant photosynthesis efficiency.LED lamp panel 8 is provided with 83% red-light LED and 17% blue-ray LED as photosynthesis of plant initiatively radiating light source.Due to LED lamp panel and dielectric surface spacing less time, uniform illumination degree is obviously bad, and particularly blue-ray LED quantity is little, and only account for 17%, majority of plant blade face can not get blue light illumination, affects the morphogenesis of plant.Therefore, the present invention increases mirror face reflection coating on light source board face, to improve intensity of illumination and the uniformity thereof, and then improves the photosynthetic yield of plant.
Described red duckweed moistening and planting disk 5 is all equipped with retaining moisture retaining groundmass layer 51(61 from top to down with vegetables moistening and planting disk 6,71), seep water support matrix layer 52(62) and take root grown layer 63, described retaining moisture retaining groundmass layer 51(61) be porous ceramic particles, retaining moisture retaining groundmass layer 71 is provided with, described retaining moisture retaining groundmass layer 51(61,71 in seedling dish for cultivating 7) be evenly equipped with infiltration pipeline 63 with water seepage hole.In the infiltration support matrix layer 61 of described vegetables moistening and planting disk 6 and seedling dish for cultivating, some field planting circle 64(74 are also set), described field planting circle 64(74) arrange by the seeding row spacing of plant.The humidity of media sensor in humidity of media sensor 65 and light together valid radiation sensor 66(figure in a signal vegetables moistening and planting disk and light together valid radiation sensor is provided with) in red duckweed moistening and planting disk 5, vegetables moistening and planting disk 6 and seedling dish for cultivating 7.
Described bellows catch box 41 is provided with delivery port and water inlet, and the water inlet of described infiltration pipeline 63 is connected with bellows catch box 41 delivery port through peristaltic pump 42, and the delivery port of infiltration pipeline 63 is connected with the water inlet of bellows catch box 41 and forms nutriment supply circuit.
Because existing agar medium or capillary materials cultivate plant as matrix, nutriment is disposable, incubation time is short, be difficult to the cultivation of plant whole breeding time, therefore the present invention adopts moistening, planting method, retaining moisture retaining groundmass layer 51(61 in plant cultivation dish, 71) the wet medium of supporting in remains abundant moisture state, and dielectric surface oozes out without open fire, in plant cultivation dish, humidity of media sensor 65 is also set, peristaltic pump 42 output flow and peristaltic pump 42 discontinuous operation cycle is controlled by the data separate of sensor, supply to infiltration pipeline 63 in conjunction with enclosed culture fluid bellows catch box 41, under guaranteeing that dielectric surface oozes out prerequisite without open fire, for plant provides nutrient and moisture.
Cooling-water temperature sensor, water heater, hydraulic pressure sensor and fluid infusion mouth 411 is also provided with in described bellows catch box 41.To realize the heating of water temperature, water column feedback and plant nutrition liquid to supply plant nutrition liquid and to supplement.
Described incubator 1 left chamber 3 inwall is provided with air feed airflow fence 31, and described airflow fence 31 front end is provided with draft fan, is also configured with atmosphere environmental factors timely monitor device and warning device in incubator 2.
Because the incubator 1 in invention is hedged off from the outer world, be therefore provided with gas exchanges circuit units.When flight needs to carry out photosynthesis of plant test in-orbit, draft fan and each loop of air feed airflow fence 31 front end can be closed, in incubator, namely form controlled closed cabin, measure O in cabin by atmosphere environmental factors timely monitor device 2and CO 2concentration, calculates plant population's photosynthetic efficiency.When after off-test, again open draft fan and each loop, gas and negotiable inside and outside incubator 1.
Described incubator 2 right chamber 4 sidewall is provided with in control cabinet 43 described in control cabinet and is provided with main control board, and the clear camera 44 of dual-path high-definition and touch display screen 45, described main control board is connected with the sensor in incubator, monitoring device, warning device.
The present invention possesses self complete red duckweed and the plant culture fluid feed system needed for the growth in the time of infertility of short and small salad type vegetables and LED illumination system and monitoring system thereof, can on-line parameter setting, autostore record and Based Intelligent Control.But to atmosphere environmental factors, the present invention only has monitoring function, and does not have controlling functions.Therefore, gaseous environment isolation inside and outside cabinet of the present invention, and be provided with the program-controlled system in gas exchanges loop.When flight needs to carry out photosynthesis of plant test in-orbit, closing draft fan and each loop of air feed airflow fence front end, in cabinet, namely form controlled closed cabin, by measuring O2 and CO2 concentration in cabin, calculating plant population's photosynthetic efficiency.When after off-test, open draft fan and each loop, inside and outside cabinet, gas can exchange.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.

Claims (5)

1. a space plant culture device, comprise an incubator, it is characterized in that, described incubator forms two chambers in left and right by a longitudinal baffle segmentation, described left chamber is provided with two-layer up and down, upper strata is provided with red duckweed moistening and planting disk, lower floor is provided with vegetables moistening and planting disk, described right chamber is provided with seedling dish for cultivating, described red duckweed moistening and planting disk, the LED lamp panel for giving plant illumination is equipped with above vegetables moistening and planting disk and seedling dish for cultivating, described right chamber is also provided with for providing the bellows catch box of plant culture fluid and the peristaltic pump for driving culture fluid to circulate, described red duckweed moistening and planting disk and vegetables moistening and planting disk are all equipped with retaining moisture retaining groundmass layer to lower and upper, infiltration support matrix layer and take root grown layer, described retaining moisture retaining groundmass layer is porous ceramic particles, retaining moisture retaining groundmass layer is provided with in seedling dish for cultivating, described retaining moisture retaining groundmass layer is evenly equipped with the infiltration pipeline with water seepage hole, described bellows catch box is provided with delivery port and water inlet, the water inlet of described infiltration pipeline is connected with bellows catch box delivery port through peristaltic pump, the delivery port of infiltration pipeline is connected with the water inlet of bellows catch box and forms plant culture fluid supply circuit, described LED lamp panel is electrically connected with the light source driving board be arranged at above right chamber and LED stepless-adjustment tabula rasa, described LED lamp panel is provided with 83% red-light LED and 17% blue-ray LED, described light source board face is also coated with the mirror face reflection coating that can improve intensity of illumination and the uniformity, also cooling-water temperature sensor is provided with in described bellows catch box, water heater, hydraulic pressure sensor and fluid infusion mouth, described incubator left chamber inwall is provided with air feed airflow fence, described air feed airflow fence front end is provided with miniature draft fan.
2. a kind of space plant culture device according to claim 1, is characterized in that, also arranges some field planting circles in the infiltration support matrix layer of described vegetables moistening and planting disk and seedling dish for cultivating, and described field planting circle arranges by the seeding row spacing of plant different growing.
3. a kind of space plant culture device according to claim 1, is characterized in that, is provided with humidity of media sensor and light together valid radiation sensor in described red duckweed moistening and planting disk, vegetables moistening and planting disk and seedling dish for cultivating.
4. a kind of space plant culture device according to claim 1, is characterized in that, is also configured with atmosphere environmental factors timely monitor device and warning device in described incubator.
5. a kind of space plant culture device according to claim 1, it is characterized in that, described right chamber sidewall is provided with in control cabinet described in control cabinet and is provided with main control board, the clear camera of dual-path high-definition and touch display screen, described main control board is connected with the sensor in incubator, monitoring device, warning device.
CN201310408133.8A 2013-09-10 2013-09-10 Space plant culture device Active CN103477911B (en)

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