JP6573849B2 - Agricultural house environment controller - Google Patents
Agricultural house environment controller Download PDFInfo
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- JP6573849B2 JP6573849B2 JP2016146287A JP2016146287A JP6573849B2 JP 6573849 B2 JP6573849 B2 JP 6573849B2 JP 2016146287 A JP2016146287 A JP 2016146287A JP 2016146287 A JP2016146287 A JP 2016146287A JP 6573849 B2 JP6573849 B2 JP 6573849B2
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- G—PHYSICS
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- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
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- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
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Description
本発明は、農業用ハウスにおける、農業用ハウス内の環境制御に関する。 The present invention relates to environmental control in an agricultural house in an agricultural house.
農業用ハウス内の環境の温度・湿度等の目標値をユーザーが設定でき、設定された目標値になるように換気窓を開閉したり、加温機や冷房機を動かすことで作物にとって最適な環境制御をする農業用ハウス内環境制御装置が存在する。
このような装置においては、これまで一般的であったのは時間帯毎に目標値を設定して、時間帯ごとにハウス内の温度を所望の値に制御するものである。
これらは言い換えると時刻に応じて目標温度を制御しようというものである。
一方、作物の栽培においては作物の生育適温に制御することが重要である。この作物の生育適温というのは、昼間の日射がある状況においては光合成量が最大になる温度であり、夜間においては呼吸量を抑えつつ、生理的に障害がでず、病害が発生しにくい温度ということになる。
光合成量が最大になる温度というのは日射量とCO2濃度によって異なる。したがって、従来の時刻に応じて目標温度を制御する方式においては、同じ時刻であっても天候や季節によって異なる日射量、さらにCO2を人為的に添加するか自然任せにするかを問わず実際のCO2濃度が異なるにもかかわらず、時刻に応じて一定の目標温度を与えているので、作物の生育適温から離れてしまうことがあり、その結果生育が遅れたり収穫量が減少する、という問題点があった。
一方、これらを解決するために、時刻のみならず、日射量とCO2濃度に応じてIF〜THENルールを設定しプログラミング的に目標温度を決定する方式の設定方式が存在するが、これらは農業生産者に非常に複雑な設定を強いるものであり、一般の農業生産者が対応できるものではなかった。
The user can set target values such as temperature and humidity of the environment in the agricultural house, and it is optimal for crops by opening and closing the ventilation window and moving the heater and air conditioner to reach the set target value. There is an agricultural house environment control device that controls the environment.
In such an apparatus, what has been generally used so far is to set a target value for each time zone and control the temperature in the house to a desired value for each time zone.
In other words, the target temperature is controlled according to the time.
On the other hand, in the cultivation of crops, it is important to control the temperature at which the crops grow. The optimal growth temperature for this crop is the temperature at which the amount of photosynthesis is maximized when there is daylight in the daytime, and at night the temperature is less likely to cause disease while suppressing respiratory rate and not causing physiological problems. It turns out that.
The temperature at which photosynthesis is maximized depends on the amount of solar radiation and the CO2 concentration. Therefore, in the conventional method of controlling the target temperature according to the time, even if it is the same time, the amount of solar radiation that varies depending on the weather and season, and whether it is artificially added CO2 or left to natural Even though the CO 2 concentration is different, a constant target temperature is given according to the time, so there is a case where the crop may deviate from the optimal temperature for growth, resulting in a delay in growth or a decrease in yield. There was a point.
On the other hand, in order to solve these problems, there are setting methods that set the IF to THEN rules according to not only the time but also the amount of solar radiation and the CO2 concentration and determine the target temperature programmatically. It was a very complicated setting for the farmers, and it could not be handled by ordinary agricultural producers.
そこで本発明は、ユーザーの目標温度を設定する労力を低減し、植物生育知識およびプログラミングの素養の少ないユーザーでも適正な農業ハウス内温度設定を可能にする農業用ハウス内環境制御装置を提供することを目的とする。 SUMMARY OF THE INVENTION Accordingly, the present invention provides an agricultural house environment control device that reduces the labor of setting a user's target temperature and enables an appropriate temperature setting in an agricultural house even for a user with little knowledge of plant growth and programming. With the goal.
本発明の農業用ハウス内環境制御装置は、ユーザーが設定したハウス内目標最低温度と目標最高温度および日射量係数、CO2係数の４つのパラメータからハウス内の日射量とCO2濃度に応じてハウス内の目標温度を自動的に演算する手段を有する。 The agricultural house environmental control device of the present invention is based on the user's set target minimum temperature, target maximum temperature, solar radiation coefficient, and CO2 coefficient. Means for automatically calculating the target temperature.
ユーザーは、作物生理に関する知識およびプログラミングの素養の少ないユーザーでも、短時間の簡単な設定操作で、植物生育に最適なハウス内の目標温度を設定できる。 The user can set the target temperature in the house that is most suitable for plant growth by a simple setting operation in a short time, even if the user has little knowledge about crop physiology and programming knowledge.
植物の光合成量というのは、そもそも光の強さとCO2濃度と温度によって大幅に変化する。
「齋藤章（(株)誠和）、平均反収70tのオランダの栽培システムと統合環境制御」の169ページ第27図に示すように、日射量が高いほど、またCO2濃度が高いほど光合成量が最大になる温度は高温側にシフトする。
同様に、「和田義春・添野隆史・稲葉幸雄、促成，半促成栽培におけるイチゴ品種‘とちおとめ’の高CO2濃度下の葉光合成速度促進に及ぼす光と温度の影響、日本作物学会紀事、2010年4月、79巻2号」の196ページ第9図、「日高功太、太陽光利用型植物工場でのイチゴ栽培、第18回日本イチゴフォーラム、農業・食品産業技術総合研究機構」8ページ右下の図においても、CO2濃度が高い場合は光合成が最大になる温度は高温側にシフトすることが示されている。
一方、植物の呼吸作用による炭水化物の消耗は温度が上昇するに伴って指数関数的に増大するので、光が弱いとき、特に完全に光が無い夜間はできるだけ低温にしておくことによって光合成で作り出した炭水化物の消耗を減らすことができる。（「青木宏史（千葉県農業試験場）、光合成と一日の温度管理（変温管理）の考え方」409ページ第1図）
ただし、植物はある一定温度よりも低くなると低温障害を生じたり、病害が生じやすくなったりするので、作物ごとに夜間の最適温度も異なる。
そこで本発明においては、作物ごとに夜間温度、および日射量に対する目標温度の係数、および十分な日射量がある場合の最高温度、およびCO2濃度に応じた目標温度の係数を入力することによって、常に作物の光合成量を最大化するとともに、呼吸による消耗量を最小化し、季節や変化する気象条件においても作物の生育と収穫量を最大化する制御手段を提供するものである。
In the first place, the amount of photosynthesis in plants varies greatly depending on light intensity, CO2 concentration, and temperature.
As shown in Figure 27 on page 169 of "Akira Saito (Seiwa Co., Ltd., Dutch cultivation system and integrated environmental control with an average yield of 70 tons)", the higher the amount of solar radiation and the higher the CO2 concentration, the higher the photosynthesis amount. The maximum temperature shifts to the high temperature side.
Similarly, "Yoshiharu Wada, Takashi Soeno, Yukio Inaba, Encouragement, and Effects of Light and Temperature on the Promotion of Leaf Photosynthesis under High CO2 Concentration in Strawberry Cultivar 'Tochiotome', Journal of the Crop Science Society of Japan, 2010 4 Figure 9 on page 196 of "Moon, Vol. 79, No. 2", Kota Hidaka, Strawberry Cultivation at a Plant Factory Utilizing Solar Power, 18th Japan Strawberry Forum, Agricultural and Food Industry Research Organization This figure also shows that when the CO2 concentration is high, the temperature at which photosynthesis is maximized shifts to the high temperature side.
On the other hand, the consumption of carbohydrates due to the respiratory action of plants increases exponentially as the temperature rises, so it was created by photosynthesis when the light is weak, especially at night when there is no light, keeping it as low as possible Carbohydrate consumption can be reduced. (“Hiroshi Aoki (Chiba Prefectural Agricultural Experiment Station), Photosynthesis and Daily Temperature Management (Temperature Control)”, page 409, Figure 1)
However, since plants can suffer from low-temperature damage or become susceptible to diseases when the temperature falls below a certain temperature, the optimal temperature at night varies from crop to crop.
Therefore, in the present invention, by inputting the night temperature and the coefficient of the target temperature with respect to the amount of solar radiation for each crop, and the maximum temperature when there is a sufficient amount of solar radiation, and the coefficient of the target temperature according to the CO2 concentration, The present invention provides a control means for maximizing the amount of photosynthesis and minimizing the amount of consumption due to respiration, and maximizing the growth and yield of the crop even in seasonal and changing weather conditions.
＜実施例1＞
本実施例による農業用ハウス内環境制御装置は、少なくとも、日射量を測定する日射量測定手段と、CO2濃度を測定するCO2濃度測定手段と、目標最高温度と目標最低温度と１つないしは複数の目標温度算出係数を入力する入力手段を有し、目標温度算出手段は目標最高温度と目標最低温度と日射量値とCO2濃度値に応じた目標温度算出係数に基づく日射量値とCO2濃度値と目標温度間の相関を用いて農業用ハウス内の目標温度を算出する。
下記式（1）、（2）は、CO2の濃度によって、日射量係数および十分な日射量がある場合の最高温度を変化させる、という演算式である。
T=a×L+T1 T<T2の場合 ・・・（1）
T=T2 T≧T2の場合 ・・・（2）
ここで、Lは日射量(kLx)、その他の係数は以下の表1のとおりであり、その計算結果を図1に示す。
<Example 1>
The agricultural house environmental control apparatus according to this embodiment includes at least one or more of a solar radiation amount measuring means for measuring the solar radiation amount, a CO2 concentration measuring means for measuring the CO2 concentration, and a target maximum temperature and a target minimum temperature. Input means for inputting the target temperature calculation coefficient, and the target temperature calculation means is the solar radiation value and CO2 concentration value based on the target temperature calculation coefficient corresponding to the target maximum temperature, target minimum temperature, solar radiation value, and CO2 concentration value The target temperature in the agricultural house is calculated using the correlation between the target temperature and the target temperature.
The following formulas (1) and (2) are arithmetic expressions that change the maximum temperature when there is a solar radiation coefficient and a sufficient solar radiation quantity depending on the concentration of CO2.
When T = a × L + T1 T <T2 (1)
When T = T2 T ≧ T2 (2)
Here, L is the amount of solar radiation (kLx), other coefficients are as shown in Table 1 below, and the calculation results are shown in FIG.
環境制御装置のユーザーは、CO2濃度をいくつかに区分したうえで、これらa、T1、T2という3つのパラメータを入力することで、日射量に応じて常に最適な目標温度が自動的に計算され、それに向けてハウスの換気窓の開閉や、加温機、冷房機の制御が行われる。CO2濃度ごとのa,T1,T2というパラメータは作物ごとの生理特性に応じて決まるものであり、該当作物の日射量とCO2濃度と光合成最適温度の関係および生育ゼロ温度を把握することによって定めることができる値である。
なお、これらのaやT1,T2の値自体はこの値に限らず、またこの数式は一例であり、日射量とCO2濃度に応じて目標温度を変化させる数式は全て本発明の対象となる。
The user of the environmental control device divides the CO2 concentration into several parts and inputs these three parameters a, T1, and T2, so that the optimum target temperature is always automatically calculated according to the amount of solar radiation. To that end, the opening and closing of the ventilation window of the house and the control of the heater and air conditioner are performed. The parameters a, T1, and T2 for each CO2 concentration are determined according to the physiological characteristics of each crop, and are determined by grasping the relationship between the amount of solar radiation, CO2 concentration, and the optimum photosynthetic temperature of the crop and the zero growth temperature. It is a value that can be.
The values of a, T1, and T2 themselves are not limited to these values, and this mathematical formula is only an example, and any mathematical formula that changes the target temperature according to the amount of solar radiation and the CO2 concentration is an object of the present invention.
このように、本実施例による農業用ハウス内環境制御装置は、日射量を測定する日射量測定手段と、CO2濃度を測定するCO2濃度測定手段と、目標最高温度（日中最高温度）、目標最低温度（夜間最低温度）、及び１つないしは複数の目標温度算出係数を入力する入力手段と、目標温度算出手段とを有し、目標温度算出手段は、目標最高温度と、目標最低温度と、日射量値と、CO2濃度値に応じた目標温度算出係数（日射量感度）とに基づき、日射量値とCO2濃度値と目標最高温度と目標最低温度との相関を用いて農業用ハウス内の目標温度を算出することができる。 As described above, the environmental control device for an agricultural house according to the present embodiment includes the solar radiation amount measuring means for measuring the solar radiation amount, the CO2 concentration measuring means for measuring the CO2 concentration, the target maximum temperature (daytime maximum temperature), and the target. Input means for inputting a minimum temperature (night minimum temperature) and one or a plurality of target temperature calculation coefficients, and a target temperature calculation means; the target temperature calculation means includes a target maximum temperature, a target minimum temperature, Based on the solar radiation value and the target temperature calculation coefficient (solar radiation sensitivity) according to the CO2 concentration value, the correlation between the solar radiation value, the CO2 concentration value, the target maximum temperature and the target minimum temperature is used. The target temperature can be calculated.
＜実施例2＞
本実施例による農業用ハウス内環境制御装置は、CO2濃度測定手段およびCO2濃度測定値に応じた目標温度算出係数を持たず、日射量測定手段と日射量値に基づく目標温度算出手段のみを有する。
下記式（3）、（4）は、基本的な計算式を、夜間温度をｙ切片として日射量係数をかけ算した値に従って目標温度を高めていき、十分な日射量がある場合の最高温度に達したらそこで目標温度を固定する、という演算式である。
T=a×L+T1 T<T2の場合 ・・・（3）
T=T2 T≧T2の場合 ・・・（4）
ここで、Lは日射量(kLx)、その他の係数は以下の表2のとおりであり、その計算結果を図2に示す。
<Example 2>
The agricultural house environment control apparatus according to the present embodiment does not have the CO2 concentration measurement means and the target temperature calculation coefficient according to the CO2 concentration measurement value, but has only the solar radiation amount measurement means and the target temperature calculation means based on the solar radiation amount value. .
The following formulas (3) and (4) are used to increase the target temperature according to the value obtained by multiplying the basic temperature by the solar radiation coefficient with the night temperature as the y-intercept, and the maximum temperature when there is sufficient solar radiation. When it reaches, the target temperature is fixed there.
T = a × L + T1 T <T2 (3)
When T = T2 T ≧ T2 (4)
Here, L is the amount of solar radiation (kLx), other coefficients are as shown in Table 2 below, and the calculation results are shown in FIG.
環境制御装置のユーザーは、これらa、T1、T2という3つのパラメータを入力することで、日射量に応じて常に最適な目標温度が自動的に計算され、それに向けてハウスの換気窓の開閉や、加温機、冷房機の制御が行われる。a,T1,T2というパラメータは作物ごとの生理特性に応じて決まるものであり、該当作物の日射量と光合成最適温度の関係および生育ゼロ温度を把握することによって定めることができる値である。
なお、これらのaやT1,T2の値自体はこの値に限らず、またこの数式は一例であり、日射量に応じて目標温度を変化させる数式は全て本発明の対象となる。
By entering these three parameters a, T1, and T2, the user of the environmental control device automatically calculates the optimal target temperature at all times according to the amount of solar radiation. The heating and cooling units are controlled. The parameters a, T1, and T2 are determined according to the physiological characteristics of each crop, and can be determined by grasping the relationship between the amount of solar radiation and the optimum photosynthetic temperature of the crop and the zero growth temperature.
Note that the values of a, T1, and T2 themselves are not limited to these values, and this mathematical expression is merely an example, and all mathematical expressions that change the target temperature according to the amount of solar radiation are objects of the present invention.
このように、本実施例による農業用ハウス内環境制御装置は、日射量を測定する日射量測定手段と、目標最高温度（日中最高温度）、目標最低温度（夜間最低温度）、及び１つないしは複数の目標温度算出係数を入力する入力手段と、目標温度算出手段とを有し、目標温度算出手段は、目標最高温度と、目標最低温度と、目標温度算出係数（日射量感度）とに基づき、日射量値と目標最高温度と目標最低温度との相関を用いて農業用ハウス内の目標温度を算出することができる。 As described above, the agricultural house environment control device according to the present embodiment includes the solar radiation amount measuring means for measuring the solar radiation amount, the target maximum temperature (daytime maximum temperature), the target minimum temperature (nighttime minimum temperature), and one. And input means for inputting a plurality of target temperature calculation coefficients, and target temperature calculation means. The target temperature calculation means includes a target maximum temperature, a target minimum temperature, a target temperature calculation coefficient (amount of solar radiation sensitivity), and Based on the above, the target temperature in the agricultural house can be calculated using the correlation between the solar radiation value, the target maximum temperature, and the target minimum temperature.
＜実施例３＞
本実施例による農業用ハウス内環境制御装置は、目標温度算出手段は、日射量値あるいはCO2濃度値ごとの目標温度の換算表を用いて目標温度を決定する。
予め、システム設計者側にて日射量とCO2濃度に対する換算表（パラメータテーブルX）を作っておき（図3）、そのテーブルに対して、以下の式（5）によって目標温度Tを算出する。
T=a×X+T1 ・・・（5）
ここで、aは任意の係数であり本実施例においては2.5、T1は夜間最低温度であり本実施例においては15℃である。その計算結果を図4に示す。
<Example 3>
In the agricultural house environment control apparatus according to the present embodiment, the target temperature calculation means determines the target temperature using the conversion table of the target temperature for each solar radiation value or CO2 concentration value.
A conversion table (parameter table X) for the amount of solar radiation and the CO2 concentration is prepared in advance by the system designer (FIG. 3), and the target temperature T is calculated by the following equation (5) for the table.
T = a × X + T1 (5)
Here, a is an arbitrary coefficient, which is 2.5 in the present embodiment, and T1 is the nighttime minimum temperature, which is 15 ° C. in the present embodiment. The calculation results are shown in FIG.
環境制御装置のユーザーは、これらa、T1という２つのパラメータを入力することで、日射量に応じて常に最適な目標温度が自動的に計算され、それに向けてハウスの換気窓の開閉や、加温機、冷房機の制御が行われる。パラメータテーブルXは概ね作物をいくつかに分類したうえで、その分類内においてはほぼ普遍的なテーブルを作っておき、a,T1というパラメータはその分類内の作物ごとの生理特性に応じて決まるものであり、該当作物の日射量とCO2濃度と光合成最適温度の関係および生育ゼロ温度を把握することによって定めることができる値である。 The user of the environmental control device inputs these two parameters a and T1, and the optimum target temperature is always automatically calculated according to the amount of solar radiation. Control of warmer and cooler is performed. The parameter table X roughly classifies crops into several, and makes a nearly universal table within that category, and the parameters a and T1 are determined according to the physiological characteristics of each crop within that category. It is a value that can be determined by grasping the relationship between the amount of solar radiation, CO2 concentration and optimum photosynthetic temperature of the crop and the zero growth temperature.
＜実施例４＞
本実施例による農業用ハウス内環境制御装置は、目標温度算出手段は、CO2濃度値ごとの日射量値と目標温度の関数を用いて目標温度を決定する。
下記式（6）、（7）は、CO2濃度値によって、日射量係数自体および最高温度自体を演算して算出するという演算式である。
T= a×L+T1 =(a0+b×(CO2濃度−基準CO2濃度))×L+T1 T<T2の場合 ・・・（6）
T=T2= T20＋c×(CO2濃度−基準CO2濃度) T≧T2の場合 ・・・（7）
ここで、Lは日射量(kLx)、その他の係数は以下の表3のとおりであり、その計算結果を図5に示す。
<Example 4>
In the agricultural house environment control device according to the present embodiment, the target temperature calculation means determines the target temperature using a function of the solar radiation amount value and the target temperature for each CO2 concentration value.
The following formulas (6) and (7) are calculation formulas in which the solar radiation amount coefficient itself and the maximum temperature itself are calculated based on the CO2 concentration value.
T = a × L + T1 = (a0 + b × (CO2 concentration−reference CO2 concentration)) × L + T1 T <T2 (6)
T = T2 = T20 + c × (CO2 concentration−reference CO2 concentration) When T ≧ T2 (7)
Here, L is the amount of solar radiation (kLx), other coefficients are as shown in Table 3 below, and the calculation results are shown in FIG.
環境制御装置のユーザーは、これらa0、b、c、T1、T20という５つのパラメータを入力することで、日射量に応じて常に最適な目標温度が自動的に計算され、それに向けてハウスの換気窓の開閉や、加温機、冷房機の制御が行われる。CO2濃度ごとのa,T1,T2というパラメータは作物ごとの生理特性に応じて決まるものであり、該当作物の日射量とCO2濃度と光合成最適温度の関係および生育ゼロ温度を把握することによって定めることができる値である。
なお、これらのa、a0、b、c、T1,T20の値自体はこの値に限らず、またこの数式は一例であり、日射量とCO2濃度に応じて目標温度を変化させる数式は全て本発明の対象となる。
The user of the environmental control device inputs these five parameters a0, b, c, T1, and T20, and the optimum target temperature is always automatically calculated according to the amount of solar radiation. The window is opened and closed, and the heater and air conditioner are controlled. The parameters a, T1, and T2 for each CO2 concentration are determined according to the physiological characteristics of each crop, and are determined by grasping the relationship between the amount of solar radiation, CO2 concentration, and the optimum photosynthetic temperature of the crop and the zero growth temperature. It is a value that can be.
These values of a, a0, b, c, T1, and T20 are not limited to these values, and this formula is an example, and all the formulas that change the target temperature according to the amount of solar radiation and the CO2 concentration are The subject of the invention.
このように、本実施例による農業用ハウス内環境制御装置の目標温度算出手段は、CO2濃度値ごとの日射量値と目標最高温度と目標最低温度との関数を用いて目標温度を算出する。 Thus, the target temperature calculation means of the agricultural house environment control apparatus according to the present embodiment calculates the target temperature using the function of the solar radiation amount value for each CO2 concentration value, the target maximum temperature, and the target minimum temperature.
図６は実施例１から実施例４のいずれかの農業用ハウス内環境制御装置の設置例を示す図であり、図６（ａ）は概略構成図、図６（ｂ）は表示画面の概略構成図である。
図６（ａ）に示すように、日射量センサ等の日射量測定手段１０は連棟ハウスＡ外に設置され、CO2センサ等のCO2濃度測定手段２０は連棟ハウスＡ内に設置される。また、釦、つまみ、キーボード、又はタッチパネル等の入力手段（図示無し）は、連棟ハウスＡの内又は外に配置される。また、パソコンや演算装置等の目標温度算出手段（図示無し）は、連棟ハウスＡの内又は外に配置される。
農業用ハウス内環境制御装置は、算出した連棟ハウスＡ内の目標温度に基づいて、天窓換気制御、循環扇制御、裾巻き上げ換気制御、潅水制御、加温機制御、及び内張りカーテンの開閉制御等を行う。
FIG. 6 is a diagram illustrating an installation example of the environmental control device for an agricultural house according to any one of the first to fourth embodiments, FIG. 6A is a schematic configuration diagram, and FIG. 6B is a schematic display screen. It is a block diagram.
As shown in FIG. 6A, the solar radiation amount measuring means 10 such as a solar radiation amount sensor is installed outside the continuous house A, and the CO 2 concentration measuring means 20 such as a CO 2 sensor is installed in the continuous house A. Also, input means (not shown) such as buttons, knobs, keyboards, or touch panels are arranged inside or outside the multi-building house A. In addition, target temperature calculation means (not shown) such as a personal computer or an arithmetic unit is arranged inside or outside the multi-row house A.
Based on the calculated target temperature in the multi-story house A, the agricultural house environment control device is a skylight ventilation control, circulation fan control, skirt hoisting ventilation control, irrigation control, warmer control, and lining curtain opening / closing control. Etc.
図７は実施例１から実施例４のいずれかの農業用ハウス内環境制御装置の他の設置例を示す図であり、図７（ａ）は概略構成図、図７（ｂ）は操作盤の概略構成図である。
図７（ａ）に示すように、日射量センサ等の日射量測定手段１０はパイプハウスＢ外に設置される。また、図７（ｂ）に示すように、つまみ等の入力手段３０は、パイプハウスＢの内又は外に配置される。また、パソコンや演算装置等の目標温度算出手段（図示無し）は、パイプハウスＢの内又は外に配置される。
農業用ハウス内環境制御装置は、算出したパイプハウスＢ内の目標温度に基づいて、肩（天）窓換気制御、側窓換気制御、遮光カーテン制御、空調機制御、循環扇制御、潅水装置制御、CO2発生装置制御等を行う。
FIG. 7 is a diagram showing another installation example of the environmental control device for an agricultural house according to any one of the first to fourth embodiments, FIG. 7A is a schematic configuration diagram, and FIG. 7B is an operation panel. FIG.
As shown in FIG. 7A, the solar radiation amount measuring means 10 such as a solar radiation sensor is installed outside the pipe house B. Further, as shown in FIG. 7B, the input means 30 such as a knob is disposed inside or outside the pipe house B. Further, target temperature calculation means (not shown) such as a personal computer or an arithmetic unit is arranged inside or outside the pipe house B.
Based on the calculated target temperature in the pipe house B, the agricultural house environment control device is used for shoulder (top) window ventilation control, side window ventilation control, shading curtain control, air conditioner control, circulation fan control, irrigation device control, Control the CO2 generator.
本発明は、農業用ハウス内の環境制御に適用できる。 The present invention can be applied to environmental control in an agricultural house.
１０ 日射量測定手段
２０ CO2濃度測定手段
３０ 入力手段
Ａ 連棟ハウス
Ｂ パイプハウス
10 Solar radiation measurement means 20 CO2 concentration measurement means 30 Input means A Multi-row house B Pipe house
Claims (2)
少なくとも、前記日射量を測定する日射量測定手段と、前記CO2濃度を測定するCO2濃度測定手段と、十分な前記日射量が有る場合の日中最高温度を決める目標最高温度、夜間最低温度を決める目標最低温度、および日射量感度係数を入力する入力手段とを有し、
目標温度算出手段は、
前記目標最高温度以下とし、
前記日射量測定手段で測定される前記日射量に前記日射量感度係数をかけた温度を、前記目標最低温度に加え、
前記日射量感度係数は、前記CO 2 濃度測定手段で測定される前記CO 2 濃度が高いほど大きな数値とした
ことを特徴とする農業用ハウス内環境制御装置。 An environmental control device for an agricultural house that calculates a target temperature in the agricultural house based on the amount of solar radiation and the CO 2 concentration ,
At least, a solar radiation amount measuring means for measuring the amount of solar radiation, the CO 2 and CO 2 concentration measuring means for measuring a concentration sufficient the target maximum temperature determines the middle maximum temperature the day when solar radiation is present, nighttime minimum temperature Input means for inputting a target minimum temperature for determining the solar radiation amount and a solar radiation sensitivity coefficient,
The target temperature calculation means is
Not more than the target maximum temperature,
The temperature obtained by multiplying the solar radiation amount measured by the solar radiation amount measuring means by the solar radiation amount sensitivity coefficient is added to the target minimum temperature,
The solar radiation sensitivity coefficient, the CO 2 concentration measurement is measured by means the CO 2 concentration agricultural houses environment control device, wherein the <br/> that has a higher number greater.
ことを特徴とする請求項１に記載の農業用ハウス内環境制御装置。 The target temperature calculating means, the CO 2 concentration agricultural the house according to claim 1 which is the CO 2 concentration measured, characterized in <br/> increasing the said target maximum temperature higher by measuring means Environmental control device.
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