JPH05123068A - Capillary hydroponic culture apparatus - Google Patents

Capillary hydroponic culture apparatus

Info

Publication number
JPH05123068A
JPH05123068A JP3289619A JP28961991A JPH05123068A JP H05123068 A JPH05123068 A JP H05123068A JP 3289619 A JP3289619 A JP 3289619A JP 28961991 A JP28961991 A JP 28961991A JP H05123068 A JPH05123068 A JP H05123068A
Authority
JP
Japan
Prior art keywords
crop
culture
culture solution
growth
concentration
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.)
Pending
Application number
JP3289619A
Other languages
Japanese (ja)
Inventor
Mizuki Tanaka
瑞樹 田中
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kubota Corp
Original Assignee
Kubota Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kubota Corp filed Critical Kubota Corp
Priority to JP3289619A priority Critical patent/JPH05123068A/en
Publication of JPH05123068A publication Critical patent/JPH05123068A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G31/00Soilless cultivation, e.g. hydroponics
    • A01G31/02Special apparatus therefor
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
    • Y02P60/21Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Hydroponics (AREA)

Abstract

PURPOSE:To provide the subject apparatus having a specific construction to enable the control of the concentration of a culture liquid according to the growth of crop, thereby enabling the excellent growth of the crop by the nutrient control matching with the growth of the crop. CONSTITUTION:A sheet 3 for absorbing a culture liquid is suspended in a state to cover the upper face of a culture bed 2 placed in a culture liquid. A root- impenetrable sheet 4 is laid on the upper surface of the sheet 3. A crop is planted on the root-impenetrable sheet 4 and the root is wrapped with the root-impenetrable sheet 4. The growth state of the crop is picked up with an image sensor 5 and the concentration of the culture liquid is determined by a concentration sensor 6. An apparatus 9 for feeding a culture stock liquid is controlled based on the detection results of the sensors 5,6 to automatically control the concentration of the culture liquid to a level suitable for the growth.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、培養液中に栽培床を設
置し、その栽培床の上面を覆う状態で培養液吸収用シー
トを垂下し、その培養液吸収用シートの上面に防根シー
トを敷設して、その防根シートの上で作物を栽培する毛
管水耕栽培装置に関し、詳しくは、培養液の管理技術に
関する。
BACKGROUND OF THE INVENTION The present invention relates to a cultivation bed placed in a culture solution, a culture solution absorption sheet is hung down so as to cover the top surface of the cultivation bed, and a root preventive is provided on the top surface of the culture solution absorption sheet. The present invention relates to a capillary hydroponic cultivation apparatus for laying a sheet and cultivating a crop on the root-controlling sheet, and more particularly to a culture solution management technique.

【0002】[0002]

【従来の技術】従来、上記毛管水耕栽培装置において
は、作物の成長如何に拘わらず一定濃度の培養液を供給
して、且つ、作物の養分吸収に伴って液面レベルが低下
すれば液面レベルを常に一定に保つべく管理していた。
2. Description of the Related Art Conventionally, in the above-mentioned capillary hydroponic cultivation apparatus, a liquid culture solution having a constant concentration is supplied regardless of the growth of the crop, and the liquid level is lowered if the nutrient level of the crop is lowered. I managed to keep the face level always constant.

【0003】[0003]

【発明が解決しようとする課題】一定濃度の培養液を供
給する手段では、作物が小さい時、栄養過多となり、作
物が大きい時、栄養不足となり、作物の育成に応じた良
好な栄養管理が出来ないと言う不都合があった。又、液
面レベルを常に一定に保つ手段では、培養液吸収用シー
トの毛管作用が常に一定である為、大きく育った作物に
対する養分吸収力不足により、栄養不足となって、作物
の育成に応じた良好な栄養管理が出来ないと言う不都合
があった。本第一発明の目的は、培養液の濃度を管理し
て作物の育成に応じた良好な栄養管理が行えるようにす
ることにある。本第二発明の目的は、培養液の液面レベ
ルを管理して作物の育成に応じた良好な栄養管理が行え
るようにすることにある。
The means for supplying a constant concentration of the culture solution can provide good nutrition management according to the growth of crops, when the crops are small, the nutrition is excessive, and when the crops are large, the nutrition is insufficient. There was an inconvenience to say no. Further, in the means for always keeping the liquid surface level constant, since the capillary action of the culture solution absorption sheet is always constant, nutrient absorption becomes insufficient due to lack of nutrient absorption for a large grown crop There was an inconvenience that good nutrition management could not be done. An object of the first aspect of the present invention is to manage the concentration of a culture solution so that good nutritional management can be performed according to the growth of crops. The second object of the present invention is to manage the liquid surface level of the culture solution so that good nutritional management can be performed according to the growth of crops.

【0004】[0004]

【課題を解決するための手段】上記目的を達成するため
の本第一発明の技術手段は、作物の成長状態を撮像する
イメージセンサと、培養液の濃度を検出する濃度検出セ
ンサとを設け、両センサの検出結果に基いて培養原液供
給装置を制御して、作物の生育に従って自動的に培養液
濃度を適正濃度に変化させるべく構成した点にある。上
記目的を達成するための本第二発明の技術手段は、作物
の成長状態を撮像するイメージセンサと、培養液の液面
レベルを検出する液面レベル検出サンサとを設け、両セ
ンサの検出結果に基いて培養液供給装置を制御して、作
物の生育に従って自動的に液面レベルを適正レベルに変
化させるべく構成した点にある。
Means for Solving the Problems The technical means of the first aspect of the present invention for achieving the above object is provided with an image sensor for imaging the growth state of a crop and a concentration detection sensor for detecting the concentration of a culture solution. It is configured to control the culture stock solution feeder based on the detection results of both sensors and automatically change the culture solution concentration to an appropriate concentration according to the growth of the crop. The technical means of the second aspect of the present invention for achieving the above object is provided with an image sensor for imaging the growth state of a crop and a liquid level detection sensor for detecting the liquid level of the culture solution, and the detection results of both sensors are provided. Based on the above, the culture liquid supply device is controlled to automatically change the liquid surface level to an appropriate level according to the growth of the crop.

【0005】[0005]

【作用】上記第一技術手段による作用は次の通りであ
る。作物が大きく成長するに連れて培養液の濃度を濃く
することによって、成長に合った栄養補給が行える。上
記第二技術手段による作用は次の通りである。作物が大
きく成長するに連れて液面レベルを上昇させることによ
り、培養液吸収用シートの毛管作用面積が増大して、吸
収力不足を防止する。
The operation of the above first technical means is as follows. By increasing the concentration of the culture broth as the crop grows larger, it is possible to supply nutrients in accordance with the growth. The operation of the second technical means is as follows. By increasing the liquid surface level as the crop grows large, the capillary action area of the culture solution absorbing sheet increases, and insufficient absorption capacity is prevented.

【0006】[0006]

【発明の効果】前記技術手段を講じたことによる本第一
発明は、上記の作用により次の効果が得られる。作物の
成長に合わせて培養液の濃度を変化させるものであるか
ら、良好な作物の生育が可能となる。そして、前記技術
手段を講じたことによる本第二発明は、上記の作用によ
り次の効果が得られる。作物の成長に合わせて培養液の
液面レベルを変化させるものであるから、良好な作物の
生育が可能となる。
The first aspect of the present invention, which is obtained by taking the above technical means, has the following effects due to the above operation. Since the concentration of the culture solution is changed according to the growth of the crop, good crop growth is possible. The second aspect of the present invention, which is based on the above technical means, has the following effects due to the above operation. Since the liquid surface level of the culture solution is changed according to the growth of the crop, good crop growth is possible.

【0007】[0007]

【実施例】培養液を貯留する培養槽1に、発泡スチロー
ル板よりなる栽培床2を設置し、その栽培床2の上面を
覆うように不織布よりなる培養液吸収用シート3を垂下
し、そのシート3の上面に不織布よりなる防根シート4
を敷設し、その防根シート4の上に作物を植えて、その
根部を防根シート4で包んで、湿度の高い空気中に根を
伸ばすことによって、空気中から直接酸素を吸収する毛
管水耕栽培装置が構成されている。そして、作物の成長
状態を撮像するカラー式のイメージセンサ5と、培養液
の濃度を検出する濃度検出センサ6と、培養液の液面レ
ベルを検出する液面レベル検出サンサ7とを設け、これ
ら各センサ5,6,7の信号をマイクロコンピュータ利
用の制御装置8に入力して、予め設定記憶された情報と
入力情報に基いて培養原液槽9と水槽10の各制御弁9
a,10aを開閉制御して、作物の生育に従って自動的
に培養液濃度を濃くして生育に適した適正濃度に、且
つ、液面レベルを上昇させて培養液吸収力不足が生じな
い適正レベルに変化させるべく構成してある。前記マイ
クロコンピュータ利用の制御装置8では、前記イメージ
センサ5からの撮像画像に基いて作物の長さ、色彩によ
り作物の成長状態を算出し、その算出値から作物の成長
状態に応じて予め設定された適正濃度、及び、適正レベ
ルを割り出し、そして、その割り出された一方の適正濃
度算出値と濃度検出センサ6による検出値とを比較し
て、その偏差値に基いて前記培養液の濃度を作物の成長
に連れて予め設定された適正濃度となるべく培養原液槽
9の制御弁9aを開閉制御すると共に、前記割り出され
た他方の適正レベル算出値と、液面レベル検出サンサ7
による検出値とを比較して、その偏差値に基いて前記培
養液のレベルを作物の成長に連れて予め設定された適正
レベルとなるべく培養原液槽9と水槽10の制御弁9
a,10aを開閉制御する。上記実施例において、培養
原液槽9と水槽10を総称して培養液供給装置Aと称
す。
Example: A culture bed 2 made of a polystyrene foam plate is installed in a culture tank 1 for storing a culture solution, and a culture solution absorbing sheet 3 made of a non-woven fabric is hung down so as to cover the upper surface of the culture bed 2. Root sheet 4 made of non-woven fabric on top of 3
Is laid, a crop is planted on the root-controlling sheet 4, the root part is wrapped with the root-controlling sheet 4, and the roots are stretched in high-humidity air to absorb oxygen directly from the air. A cultivating device is configured. A color image sensor 5 for imaging the growth state of the crop, a concentration detection sensor 6 for detecting the concentration of the culture solution, and a liquid level detection sensor 7 for detecting the liquid level of the culture solution are provided. The signals of the respective sensors 5, 6, 7 are input to the control device 8 using a microcomputer, and the control valves 9 of the culture stock solution tank 9 and the water tank 10 are set based on the preset information stored and the input information.
a, 10a are controlled to be opened and closed to automatically increase the concentration of the culture solution according to the growth of the crop to a proper concentration suitable for growth, and to raise the liquid surface level to an appropriate level that does not cause insufficient absorption of the culture solution. It is configured to change to. The microcomputer-based control device 8 calculates the growth state of the crop based on the length and color of the crop based on the captured image from the image sensor 5, and is preset from the calculated value according to the growth state of the crop. The appropriate concentration and the appropriate level are calculated, and the calculated one of the calculated appropriate concentration and the detection value by the concentration detection sensor 6 are compared, and the concentration of the culture solution is determined based on the deviation value. The control valve 9a of the stock culture solution tank 9 is controlled to open and close so as to reach a preset proper concentration according to the growth of the crop, and the calculated other appropriate level calculated value and the liquid level detection sensor 7 are used.
And the control valve 9 of the culture stock solution tank 9 and the water tank 10 so that the level of the culture solution becomes an appropriate level preset in accordance with the growth of the crop based on the deviation value.
The opening and closing of a and 10a is controlled. In the above embodiment, the stock culture solution tank 9 and the water tank 10 are collectively referred to as a culture solution supply device A.

【0008】尚、特許請求の範囲の項に図面との対照を
便利にするために符号を記すが、該記入により本発明は
添付図面の構成に限定されるものではない。
It should be noted that although reference numerals are given in the claims for convenience of comparison with the drawings, the present invention is not limited to the structures of the accompanying drawings by the entry.

【図面の簡単な説明】[Brief description of drawings]

【図1】概略図FIG. 1 Schematic diagram

【符号の説明】[Explanation of symbols]

2 栽培床 3 培養液吸収用シート 4 防根シート 5 イメージセンサ 6 濃度検出センサ 7 液面レベル検出センサ 9 培養原液供給装置 A 培養液供給装置 2 Cultivation floor 3 Sheet for absorbing culture medium 4 Rooting sheet 5 Image sensor 6 Concentration detection sensor 7 Liquid level detection sensor 9 Culture stock solution supply device A Culture solution supply device

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 培養液中に栽培床(2)を設置し、その
栽培床(2)の上面を覆う状態で培養液吸収用シート
(3)を垂下し、その培養液吸収用シート(3)の上面
に防根シート(4)を敷設して、その防根シート(4)
の上で作物を栽培する毛管水耕栽培装置において、前記
作物の成長状態を撮像するイメージセンサ(5)と、培
養液の濃度を検出する濃度検出センサ(6)とを設け、
両センサ(5),(6)の検出結果に基いて培養原液供
給装置(9)を制御して、作物の生育に従って自動的に
培養液濃度を適正濃度に変化させるべく構成してある毛
管水耕栽培装置。
1. A culture bed (2) is placed in a culture solution, and a culture solution absorption sheet (3) is hung down so as to cover the upper surface of the culture bed (2), and the culture solution absorption sheet (3). ) Is laid on the upper surface of (), and the root-proof sheet (4)
In the capillary hydroponic cultivation apparatus for cultivating a crop on the above, an image sensor (5) for imaging the growth state of the crop and a concentration detection sensor (6) for detecting the concentration of the culture solution are provided,
Capillary water configured to control the culture stock solution feeder (9) based on the detection results of both sensors (5) and (6) and automatically change the culture solution concentration to an appropriate concentration according to the growth of the crop. Cultivation equipment.
【請求項2】 培養液中に栽培床(2)を設置し、その
栽培床(2)の上面を覆う状態で培養液吸収用シート
(3)を垂下し、その培養液吸収用シート(3)の上面
に防根シート(4)を敷設して、その防根シート(4)
の上で作物を栽培する毛管水耕栽培装置において、前記
作物の成長状態を撮像するイメージセンサ(5)と、培
養液の液面レベルを検出する液面レベル検出サンサ
(7)とを設け、両センサ(5),(7)の検出結果に
基いて培養液供給装置(A)を制御して、作物の生育に
従って自動的に液面レベルを適正レベルに変化させるべ
く構成してある毛管水耕栽培装置。
2. A culture bed (2) is installed in a culture solution, and a culture solution absorption sheet (3) is hung down so as to cover the upper surface of the culture bed (2), and the culture solution absorption sheet (3). ) Is laid on the upper surface of (), and the root-proof sheet (4)
In a capillary hydroponic cultivation apparatus for cultivating crops on the above, an image sensor (5) for imaging the growth state of the crops and a liquid level detection sensor (7) for detecting the liquid level of the culture solution are provided, Capillary water configured to control the culture solution supply device (A) based on the detection results of both sensors (5) and (7) and automatically change the liquid level to an appropriate level according to the growth of the crop. Cultivation equipment.
JP3289619A 1991-11-06 1991-11-06 Capillary hydroponic culture apparatus Pending JPH05123068A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3289619A JPH05123068A (en) 1991-11-06 1991-11-06 Capillary hydroponic culture apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3289619A JPH05123068A (en) 1991-11-06 1991-11-06 Capillary hydroponic culture apparatus

Publications (1)

Publication Number Publication Date
JPH05123068A true JPH05123068A (en) 1993-05-21

Family

ID=17745583

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3289619A Pending JPH05123068A (en) 1991-11-06 1991-11-06 Capillary hydroponic culture apparatus

Country Status (1)

Country Link
JP (1) JPH05123068A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013034472A (en) * 2011-07-14 2013-02-21 Mitsubishi Plastics Agri Dream Co Ltd Solution culture system, solution culture method using the same, and solution culture pot
WO2015107590A1 (en) * 2014-01-20 2015-07-23 パナソニックIpマネジメント株式会社 Hydroponic apparatus
JP2017006073A (en) * 2015-06-24 2017-01-12 渡辺 武 Nutrient liquid and cultivation device for plants
CN107105621A (en) * 2014-12-18 2017-08-29 住友电气工业株式会社 Culture apparatus and cultural method
EP3305066A4 (en) * 2015-06-02 2018-05-16 Panasonic Intellectual Property Management Co., Ltd. Aquaculture device
WO2018111064A1 (en) * 2016-12-15 2018-06-21 Herrera Cadena Isaac Abraham System for monitoring and controlling water stress in order to optimise oil extraction

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013034472A (en) * 2011-07-14 2013-02-21 Mitsubishi Plastics Agri Dream Co Ltd Solution culture system, solution culture method using the same, and solution culture pot
WO2015107590A1 (en) * 2014-01-20 2015-07-23 パナソニックIpマネジメント株式会社 Hydroponic apparatus
CN107105621A (en) * 2014-12-18 2017-08-29 住友电气工业株式会社 Culture apparatus and cultural method
EP3305066A4 (en) * 2015-06-02 2018-05-16 Panasonic Intellectual Property Management Co., Ltd. Aquaculture device
JP2017006073A (en) * 2015-06-24 2017-01-12 渡辺 武 Nutrient liquid and cultivation device for plants
WO2018111064A1 (en) * 2016-12-15 2018-06-21 Herrera Cadena Isaac Abraham System for monitoring and controlling water stress in order to optimise oil extraction

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