JPH0437419Y2 - - Google Patents
Info
- Publication number
- JPH0437419Y2 JPH0437419Y2 JP1987023282U JP2328287U JPH0437419Y2 JP H0437419 Y2 JPH0437419 Y2 JP H0437419Y2 JP 1987023282 U JP1987023282 U JP 1987023282U JP 2328287 U JP2328287 U JP 2328287U JP H0437419 Y2 JPH0437419 Y2 JP H0437419Y2
- Authority
- JP
- Japan
- Prior art keywords
- gas separation
- culture solution
- air
- cultivation
- chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000007789 gas Substances 0.000 claims description 48
- 238000000926 separation method Methods 0.000 claims description 45
- 239000012528 membrane Substances 0.000 claims description 30
- 229910052760 oxygen Inorganic materials 0.000 claims description 24
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 23
- 239000001301 oxygen Substances 0.000 claims description 23
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 22
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 11
- 239000001569 carbon dioxide Substances 0.000 claims description 11
- 241000196324 Embryophyta Species 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 235000015097 nutrients Nutrition 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000001963 growth medium Substances 0.000 description 2
- 230000029553 photosynthesis Effects 0.000 description 2
- 238000010672 photosynthesis Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 208000037824 growth disorder Diseases 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 230000008636 plant growth process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000036435 stunted growth Effects 0.000 description 1
Classifications
-
- Y02P60/216—
Landscapes
- Cultivation Of Plants (AREA)
- Hydroponics (AREA)
Description
【考案の詳細な説明】
＜産業上の利用分野＞
本案は、土壌を用いない水耕栽培装置に関する
ものである。[Detailed description of the invention] <Industrial application field> This invention relates to a hydroponic cultivation device that does not use soil.
＜従来の技術＞
周知される様に、水耕栽培装置は、植物の葉部
を外気と遮断した環境内に置く、例えば温室等の
栽培室と、植物の根部を収容する培養液供給室と
を有すると共に、この培養液供給室には植物をそ
の根部が内部に露出した状態で植付け、この植物
の根部には植物の成長に必要な養分を水に混合し
て供給する様に構成されている。<Prior Art> As is well known, a hydroponic cultivation device has a cultivation chamber, such as a greenhouse, in which the leaves of plants are placed in an environment isolated from the outside air, and a culture solution supply chamber that accommodates the roots of the plants. In addition, plants are planted in this culture solution supply chamber with their roots exposed inside, and the plant is configured to supply nutrients necessary for plant growth mixed with water to the roots of the plants. There is.
この様な養分を溶かした水、即ち培養液は植物
の根部に霧状で供給されたり、或は又流水状で供
給されたりするが、いづれの場合でも根部の呼吸
に必要な量の酸素が要求される。 Water containing such nutrients, that is, a culture solution, is supplied to the roots of plants in the form of a mist or in the form of running water, but in either case, the amount of oxygen necessary for root respiration is supplied to the roots of the plant. required.
この植物根部の酸素吸収量は水温が上昇するの
に伴つて増大する他、発芽期や発根時、開化期、
結実期等にも増大するため、此等要因の発生する
時期には植物根部の酸素吸収動作によつて培養液
中の酸素量が減少し、これにより根の代謝活性が
減退して、栽培植物の発育不全の原因となる。こ
のために、水温が上昇した場合や、その他の要因
発生時には培養液中の溶存素量を多くしたり、或
は又植物の根部に酸素を供給したりする必要があ
り、従来ではこの酸素補給手段としてエアーポン
プによる栽培室内への通気を行なつているのが一
般的である。 The amount of oxygen absorbed by plant roots increases as the water temperature rises, and also increases during the germination, rooting, and development stages.
The increase also occurs during the fruiting stage, so during the period when these factors occur, the amount of oxygen in the culture solution decreases due to the oxygen absorption action of the plant roots, which reduces the metabolic activity of the roots, causing the growth of cultivated plants. It causes stunted growth. For this reason, when the water temperature rises or other factors occur, it is necessary to increase the amount of dissolved elements in the culture solution, or to supply oxygen to the roots of the plants. Generally, the cultivation room is ventilated using an air pump.
＜考案が解決しようとする問題点＞
従来の水耕栽培装置では、エアーポンプ等によ
る通気で酸素量の補給を行なつているため、植物
の根部に作用する酸素量を調節する事が困難であ
り、植物の成長過程や、水温の変化等に対応して
酸素量を適切に制御する事が出来ないと云う問題
がある他、栽培室内に二酸化炭素ガスを補給する
簡便な手段を有しないから、光合成が充分に進ま
ないと云う問題もあつた。<Problems that the invention aims to solve> In conventional hydroponic cultivation equipment, the amount of oxygen is supplied through aeration using an air pump, etc., so it is difficult to adjust the amount of oxygen that acts on the roots of the plant. However, there is a problem in that it is not possible to appropriately control the amount of oxygen in response to the plant growth process and changes in water temperature, etc., and there is no simple means to replenish carbon dioxide gas in the cultivation room. There was also the problem that photosynthesis did not proceed sufficiently.
＜問題点を解決するための手段＞
本案装置では、栽培室１２と培養液供給室１１
とに１箇のガス分離装置３０を連結して、このガ
ス分離装置３０により培養液供給室１１へ酸素富
化空気を供給する一方栽培室には二酸化炭酸ガス
富化空気を置くる様に構成してある。<Means for solving the problems> In the present device, the cultivation chamber 12 and the culture solution supply chamber 11
One gas separation device 30 is connected to each, and the gas separation device 30 supplies oxygen-enriched air to the culture solution supply chamber 11, while placing carbon dioxide gas-enriched air in the cultivation room. It has been done.
上記ガス分離装置は透過速度がCO2＞O2の特性
を有するガス分離膜３１、即ち透過空気が二酸化
炭素富化され、不透過空気が酸素富化されるガス
分離膜を用いて構成されており、このガス分離膜
にはガス分離膜の供給側と透過側に所定の圧力差
を与える加圧流通手段、例えばブロー３３を備え
ている。 The gas separation device is constructed using a gas separation membrane 31 having a permeation rate of CO 2 > O 2 , that is, a gas separation membrane in which permeated air is enriched with carbon dioxide and non-permeable air is enriched with oxygen. This gas separation membrane is equipped with pressurized flow means, such as a blow 33, for applying a predetermined pressure difference between the supply side and the permeation side of the gas separation membrane.
＜作用＞
本案はこの様なものであるから、加圧流通手段
により外気をガス分離装置３０内に導入してこれ
をガス分離膜３１に吹付ければ、ガス分離膜３１
を通過した二酸化炭素富化空気が栽培室１２に供
給される一方、酸素富化空気は培養液供給室１１
に送入されて、植物の根部に供給される。<Operation> Since the present invention is as described above, if outside air is introduced into the gas separation device 30 by the pressurized flow means and is blown onto the gas separation membrane 31, the gas separation membrane 31
The carbon dioxide-enriched air that has passed through is supplied to the cultivation chamber 12, while the oxygen-enriched air is supplied to the culture solution supply chamber 11.
is delivered to the roots of the plant.
＜実施例＞
添付図面は本案装置の略解構成図で、栽培部１
０と培養液供給装置２０及びガス分離装置３０と
を有している。<Example> The attached drawing is a schematic diagram of the proposed device, and shows the cultivation section 1.
0, a culture solution supply device 20, and a gas separation device 30.
上記栽培部１０は培養液供給室１１と栽培室１
２とを有し、この栽培室１２は栽培植物４０の葉
部４１を外気と遮断した環境内におく様に、例え
ば温室構造に作られていて、内部に所要の植物４
０を植立させている。 The cultivation section 10 includes a culture solution supply chamber 11 and a cultivation chamber 1.
The cultivation chamber 12 is constructed, for example, in a greenhouse structure so that the leaves 41 of the cultivated plants 40 are kept in an environment isolated from the outside air, and the cultivation chamber 12 has a greenhouse structure in which the required plants 4 are placed inside.
0 is planted.
この植物４０を植立させるために、上記栽培室
１２の下部には培養液供給室１１が形成されてお
り、この培養液供給室１１の隔板に栽培容器１１
１を取付けてある。 In order to plant this plant 40, a culture solution supply chamber 11 is formed in the lower part of the cultivation chamber 12, and a cultivation container 11 is mounted on a partition plate of this culture solution supply chamber 11.
1 is installed.
上記培養液供給室１１は、例えば特開昭57−
198029号において開示されている様な構成に作れ
ば良く、この実施例では栽培容器１１１は網目容
器で構成されていて植物４０の根部４２は容器１
１１から培養液供給室１１内に延出している。 The culture solution supply chamber 11 is, for example,
198029, and in this embodiment, the cultivation container 111 is constructed of a mesh container, and the root portion 42 of the plant 40 is connected to the container 1.
11 into the culture solution supply chamber 11 .
上記培養液供給室１１には、給気口１１２、ノ
ズル１１３、排水部１１４及び排気口１１５が設
けてあり、給気口１１２は上記ガス分離装置３０
に連結され、又上記ノズル１１３は図示しない養
分供給源、例えば霧化しにくい養液の供給源等に
連結されている。 The culture solution supply chamber 11 is provided with an air supply port 112, a nozzle 113, a drainage section 114, and an exhaust port 115.
The nozzle 113 is also connected to a nutrient supply source (not shown), such as a nutrient solution source that is difficult to atomize.
上記ガス分離装置３０は、透過速度がCO2＞O2
型のガス分離膜３１、例えば旭硝子株式会社製造
のハイセツプ（登録商標）を用いて構成されてお
り、この「ハイセツプ」は透過速度H2Ｏ＞CO2
＞O2＞CO≧Ｎの特性を有していて、透過空気が
CO富化される一方不透過空気は酸素富化される
特性を有している。 The gas separation device 30 has a permeation rate of CO 2 >O 2
type gas separation membrane 31, for example, HiSep (registered trademark) manufactured by Asahi Glass Co., Ltd., and this "HiSep" has a permeation rate of H 2 O > CO 2
＞O 2 ＞CO≧N, and the permeated air
Impermeable air has the property of being enriched with oxygen while being enriched with CO.
上記ガス分離装置３０は、実施例では２箇のガ
ス分離膜３１，３２を直列に連結すると共に、こ
のガス分離膜３１，３２の不透過側に供給口３０
１，３０１′と１次送気口３０３，３０２′を設
け、又他方透過側には２次送気口３０３，３０
３′を設けた構成に作られており、前段のガス分
離膜３１の２次送気口３０３は後段のガス分離膜
３２の供給口３０１′に連通している。 In the embodiment, the gas separation device 30 has two gas separation membranes 31 and 32 connected in series, and a supply port 30 on the impermeable side of the gas separation membranes 31 and 32.
1,301' and primary air inlets 303, 302' are provided, and on the other hand, secondary air inlets 303, 30 are provided on the permeation side.
3', the secondary air supply port 303 of the gas separation membrane 31 at the front stage communicates with the supply port 301' of the gas separation membrane 32 at the rear stage.
上記ガス分離膜３１，３２の前後にはガス分離
膜３１，３２の供給側と透過側との間に圧力差を
発生せしめるための加圧流動手段、例えばコンプ
レツサ３３と真空ポンプ３４とが設けてあり、こ
れによつて供給ガスはガス分離膜３１，３２を透
過せしめられる。 Before and after the gas separation membranes 31 and 32, pressurized flow means, such as a compressor 33 and a vacuum pump 34, are provided to generate a pressure difference between the supply side and the permeation side of the gas separation membranes 31 and 32. This allows the supplied gas to pass through the gas separation membranes 31 and 32.
即ち上記加圧流動手段は、上記ガス分離膜３
１，３２に所定圧力で空気を吹付けるものであ
り、実施例の真空ポンプ３４はガス分離膜３１，
３２に対しては真空吸引作用で空気を引込む一
方、栽培室１２に対しては二酸化炭素富化空気を
吹込む様に動作している。 That is, the pressurized flow means is the gas separation membrane 3.
1, 32 at a predetermined pressure, and the vacuum pump 34 of the embodiment
Air is drawn into the cultivation chamber 32 by vacuum suction, while carbon dioxide-enriched air is blown into the cultivation chamber 12.
この様にガス分離膜３１，３２に対して真空吸
引作用で空気を吹付ける手段を用いる場合には、
実施例の如く、コンプレツサ３３又はフアンを併
用する事が望ましく、かくすれば所定圧力差、例
えば前段大圧力差、後段中圧力差で大量の空気を
ガス分離膜３１，３２に供給する事が出来る。 In this way, when using a means of blowing air against the gas separation membranes 31 and 32 by vacuum suction,
As in the embodiment, it is desirable to use a compressor 33 or a fan in combination, and in this way a large amount of air can be supplied to the gas separation membranes 31 and 32 with a predetermined pressure difference, for example, a large pressure difference in the front stage and a medium pressure difference in the rear stage. .
本案装置の上記実施例においては、前記「ハイ
セツプ」（登録商標）をガス分離膜として使用し
ており、このガス分離膜は透過速度がH2Ｏ＞
CO2＞O2＞CO≧Ｎの特性を有しているため、前
段のガス分離膜３１ではその不透過側から１次送
気口３０２を通してN2富化空気を外気中に排出
する一方透過側２次送気口３０３からはH2Ｏ，
CO2，O2富化空気を後段ガス分離膜３２の供給口
３０１′に供給する様、又後段のガス分離膜３２
はその不透過側１次送気口３０２′からO2富化空
気を取出して培養液供給室１１に送る一方透過側
２次送気口３０３′からはH2Ｏ，CO2富化空気を
取出して栽培室１２に送る様構成してある。 In the above-mentioned embodiment of the present device, the above-mentioned "Hisep" (registered trademark) is used as a gas separation membrane, and this gas separation membrane has a permeation rate of H 2 O>
Since it has the characteristic of CO 2 > O 2 > CO≧N, the gas separation membrane 31 in the previous stage discharges N 2 enriched air from the non-permeable side to the outside air through the primary air supply port 302. H 2 O from the side secondary air supply port 303,
The CO 2 , O 2 enriched air is supplied to the supply port 301' of the downstream gas separation membrane 32, and the downstream gas separation membrane 32 is
takes out O 2 enriched air from the non-permeable side primary air inlet 302' and sends it to the culture medium supply chamber 11, while H 2 O, CO 2 enriched air is taken out from the permeable side secondary air inlet 303'. It is configured to be taken out and sent to the cultivation room 12.
上記ガス分離装置３０の後段側ガス分離膜３２
に関する１次送気口３０２′には酸化富化空気の
送気管系３５が設けてあり、この管系３５は上記
培養液供給装置２０の給液管系２１と連通してい
る。 The downstream side gas separation membrane 32 of the gas separation device 30
An air supply pipe system 35 for oxidation-enriched air is provided at the primary air supply port 302', and this pipe system 35 communicates with the liquid supply pipe system 21 of the culture solution supply device 20.
これに対し上記後段ガス分離膜３２の２次送気
口３０３′から排出される二酸化炭素富化空気は、
管系３６を介して上記栽培室１２に供給されてお
り、光存時において栽培室１２内の植物の光合成
による炭素固化を助長する事が出来る。 On the other hand, the carbon dioxide enriched air discharged from the secondary air supply port 303' of the latter stage gas separation membrane 32 is
It is supplied to the cultivation chamber 12 through the pipe system 36, and can promote carbon solidification through photosynthesis of plants in the cultivation chamber 12 when there is light.
上記培養液供給装置２０は、上記酸素富化空気
と共に、又はこれと別途に培養液２２を上記培養
液供給室１１に供給するもので、実施例では上記
管系２１に霧化した培養液２２を送つて、この培
養液を酸素富化空気と混合すると共に、管系２１
内のフアン２１１の動作によつて空気混合の培養
液を給気口１１２に送給し、ここから室内に噴霧
する様に設計されている。 The culture solution supply device 20 supplies the culture solution 22 to the culture solution supply chamber 11 together with or separately from the oxygen-enriched air, and in the embodiment, the culture solution 22 atomized into the pipe system 21 is to mix this culture medium with oxygen-enriched air and to pipe system 21.
The air-mixed culture solution is supplied to an air supply port 112 by the operation of a fan 211 inside, and is designed to be sprayed indoors from there.
このために上記培養液供給装置２０は、培養液
貯槽２３内に霧化室２３１を設けて、これに超音
波発振器２３２を配置した構成に作られており、
この発振器２３２により霧化された培養液２２を
上記培養液供給室１１に送る様設計されている。 For this purpose, the culture solution supply device 20 is constructed such that an atomization chamber 231 is provided in the culture solution storage tank 23, and an ultrasonic oscillator 232 is disposed therein.
The oscillator 232 is designed to send the atomized culture solution 22 to the culture solution supply chamber 11.
更に又上記培養液供給室１１は、室内の酸素富
化空気と培養液とを排水部１１４と排気口１１５
とにより室外に排出する様構成されており、実施
例では上記酸素富化空気は上記ガス分離装置３０
の空気取入側に送られ、又上記培養液２１は培養
液供給装置２０の貯槽２３内に回収する様構成さ
れている。 Furthermore, the culture solution supply chamber 11 drains the oxygen-enriched air and the culture solution into a drainage section 114 and an exhaust port 115.
In the embodiment, the oxygen-enriched air is discharged to the outside by the gas separation device 30.
The culture solution 21 is sent to the air intake side of the culture solution supply device 20, and the culture solution 21 is collected into a storage tank 23 of the culture solution supply device 20.
このために、上記ガス分離装置３０の空気取入
側に位置するコンプレツサ３３は、その送気側に
フイルタ３６を配置する事が望ましく、又上記貯
槽２３の培養液回収側にもフイルタ２３３を設け
る事が望ましい。 For this reason, it is desirable that the compressor 33 located on the air intake side of the gas separation device 30 is provided with a filter 36 on its air supply side, and a filter 233 is also provided on the culture solution recovery side of the storage tank 23. things are desirable.
以上の処において、上記栽培部１０内の気圧
は、上記ガス分離膜３０内の排気動作のため減圧
されるから、逆止弁１３を設けて外気の取入れを
行なうと共に、この逆止弁１３から上記コンプレ
ツサ３３に大気を供給する様にしても良い。 In the above, since the atmospheric pressure inside the cultivation section 10 is reduced due to the exhaust operation inside the gas separation membrane 30, the check valve 13 is provided to take in outside air, and from this check valve 13, the air pressure is reduced. The air may be supplied to the compressor 33.
この実施例のように栽培室１２と培養液供給室
１１との空気をコンプレツサ３３に送つて内部空
気を循環させれば、酸素と二酸化炭素とが濃縮さ
れて、富化が一段と良好になると云う利益があ
る。そして又上記培養液供給装置２０は、培養液
２２を上記酸素富化空気と別途に培養液供給室１
１に供給する様に構成しても良く、この場合に
は、供給装置２０はガス分離装置３０とは全く関
係なく直接培養液２２を培養液供給室１１に流入
せしめる様に構成される。 If the air in the cultivation chamber 12 and the culture solution supply chamber 11 is sent to the compressor 33 to circulate the internal air as in this embodiment, oxygen and carbon dioxide will be concentrated and enrichment will be even better. There is profit. The culture solution supply device 20 also separates the culture solution 22 from the oxygen-enriched air into the culture solution supply chamber 1.
In this case, the supply device 20 is configured to directly flow the culture solution 22 into the culture solution supply chamber 11, completely independent of the gas separation device 30.
＜考案の効果＞
本案装置はこの様に酸素富化空気を培養液供給
室１１に供給すると共に二酸化炭素富化空気を栽
培室１２に供給する事が出来るから、植物の要求
する二酸化炭素や酸素の量を充分に葉部と根部へ
与える事が出来ると共に、ガス分離膜による酸素
と二酸化炭素の富化は圧力差や流量等によつて自
由に調整する事が出来るから、栽培植物の種類や
栽培環境の変化に対応して供給酸素量及び二酸化
炭素量を自動制御する事が出来ると云う効果があ
る。<Effects of the invention> As described above, the present device can supply oxygen-enriched air to the culture solution supply chamber 11 and also supply carbon dioxide-enriched air to the cultivation chamber 12. It is possible to provide a sufficient amount of oxygen to the leaves and roots, and the enrichment of oxygen and carbon dioxide by the gas separation membrane can be freely adjusted by adjusting the pressure difference, flow rate, etc. The effect is that the amount of oxygen and carbon dioxide supplied can be automatically controlled in response to changes in the cultivation environment.
添付図面は本案装置の構成を示す略解図であ
る。
図中、１０は栽培部、１１は培養液供給室、１
２は栽培室、２０は培養液供給装置、３０はガス
分離装置、３１，３２はガス分離膜を示す。
The attached drawings are schematic illustrations showing the configuration of the present device. In the figure, 10 is a cultivation section, 11 is a culture solution supply room, 1
2 is a cultivation room, 20 is a culture solution supply device, 30 is a gas separation device, and 31 and 32 are gas separation membranes.
Claims (1)
室と、この植物の根部に直接培養液を供給する様
に構成した培養液供給室と、上記培養液供給室に
酸素富化空気を送る一方上記栽培室に炭酸ガス富
化空気を送るガス分離装置とを備え、上記ガス分
離装置は、透過速度がCO2＞O2の特性を有するガ
ス分離膜と、このガス分離膜の供給側と透過側と
の間にガス分離膜透過に必要な圧力差を発生させ
る加圧流通手段とを備えた構成の水耕栽培装置。 A cultivation chamber in which the leaves of the plant are placed in an environment where they are isolated from the outside air, a culture solution supply chamber configured to supply a culture solution directly to the roots of the plant, and oxygen-enriched air sent to the culture solution supply chamber. On the other hand, the gas separation device is equipped with a gas separation device that sends carbon dioxide enriched air to the cultivation room, and the gas separation device includes a gas separation membrane having a permeation rate of CO 2 > O 2 , and a supply side of the gas separation membrane. A hydroponic cultivation apparatus configured to include pressurized flow means that generates a pressure difference necessary for gas separation membrane permeation between the permeation side and the permeation side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987023282U JPH0437419Y2 (en) | 1987-02-19 | 1987-02-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987023282U JPH0437419Y2 (en) | 1987-02-19 | 1987-02-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63132558U JPS63132558U (en) | 1988-08-30 |
| JPH0437419Y2 true JPH0437419Y2 (en) | 1992-09-02 |
Family
ID=30821445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987023282U Expired JPH0437419Y2 (en) | 1987-02-19 | 1987-02-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0437419Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019131233A1 (en) * | 2017-12-28 | 2019-07-04 | 株式会社野菜工房 | Apparatus, filter, and method for hydroponics |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2541892B2 (en) * | 1992-08-04 | 1996-10-09 | 米原 隆 | Plant cultivation method and its equipment |
| JP4522749B2 (en) * | 2004-05-28 | 2010-08-11 | 関西電力株式会社 | Gas balance measuring device |
| JP2016015904A (en) * | 2014-07-07 | 2016-02-01 | パナソニックＩｐマネジメント株式会社 | Hydroponics apparatus |
| JP7502919B2 (en) * | 2020-03-25 | 2024-06-19 | 株式会社テヌート | Plant Cultivation Equipment |
-
1987
- 1987-02-19 JP JP1987023282U patent/JPH0437419Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019131233A1 (en) * | 2017-12-28 | 2019-07-04 | 株式会社野菜工房 | Apparatus, filter, and method for hydroponics |
| JPWO2019131233A1 (en) * | 2017-12-28 | 2020-11-19 | 株式会社野菜工房 | Hydroponics equipment, its filters, its methods |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63132558U (en) | 1988-08-30 |
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