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JP6887136B2 - Ventilation ventilation system for barn - Google Patents
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JP6887136B2 - Ventilation ventilation system for barn - Google Patents

Ventilation ventilation system for barn Download PDF

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JP6887136B2
JP6887136B2 JP2016057974A JP2016057974A JP6887136B2 JP 6887136 B2 JP6887136 B2 JP 6887136B2 JP 2016057974 A JP2016057974 A JP 2016057974A JP 2016057974 A JP2016057974 A JP 2016057974A JP 6887136 B2 JP6887136 B2 JP 6887136B2
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ventilation
blower
barn
livestock
suction port
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田代 義和
義和 田代
国彦 蓑島
国彦 蓑島
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Panasonic Intellectual Property Management Co Ltd
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Description

本発明は、畜舎用換気送風システムに関するものである。 The present invention relates to a ventilation ventilation system for a barn.

従来、この種の畜舎に用いられる畜舎用換気については、例えば特許文献1のような換気装置や、特許文献2のような畜舎換気方法が考えられている。 Conventionally, as for the ventilation for a livestock barn used for this kind of barn, for example, a ventilation device as in Patent Document 1 and a livestock barn ventilation method as in Patent Document 2 have been considered.

特許文献1の換気装置においては、図2に示すように、畜舎101内は一般的に長方形になっており、その短辺側の壁面に、畜舎内の空気を外部に送風するファン102が複数台設置されている。ファン102が設置されている壁面とは反対側壁面には、畜舎101内に外気を供給するための外気吸込口103が設けられている。畜舎101内には、複数の温度センサー104a〜cが備えられており、この温度センサー104で検知された温度が高い場合には、換気扇102の回転数を上げ、検知された温度が低い場合には、換気扇102の回転数を下げるものが開示されている。 In the ventilation system of Patent Document 1, as shown in FIG. 2, the inside of the livestock barn 101 is generally rectangular, and a plurality of fans 102 for blowing the air in the livestock barn to the outside are provided on the wall surface on the short side thereof. The stand is installed. An outside air suction port 103 for supplying outside air into the livestock barn 101 is provided on the side wall surface opposite to the wall surface on which the fan 102 is installed. A plurality of temperature sensors 104a to 104 are provided in the barn 101. When the temperature detected by the temperature sensor 104 is high, the rotation speed of the ventilation fan 102 is increased, and when the detected temperature is low, the rotation speed is increased. Discloses a device that lowers the rotation speed of the ventilation fan 102.

また、引用文献2には、畜舎101内に複数の送風ファンを設置し、同時に運転させることにより、1つの送風ファンの近傍に滞留する畜舎内空気を、次の送風ファンへ送り、次の送風ファンは畜舎の外部に送風する畜舎の換気方法が開示されている。 Further, in Cited Document 2, by installing a plurality of blower fans in the livestock barn 101 and operating them at the same time, the air in the livestock barn staying in the vicinity of one blower fan is sent to the next blower fan, and the next blower is blown. The ventilation method of the barn where the fan blows air to the outside of the barn is disclosed.

特開2006−174791号公報Japanese Unexamined Patent Publication No. 2006-174791 特開平3―191242号公報Japanese Unexamined Patent Publication No. 3-191242

上記従来例では、家畜の飼育に適正な畜舎内風速を得るために、非常に多くの換気扇を設置する必要があり、設備が多くなるという問題点を有していた。 In the above-mentioned conventional example, in order to obtain an appropriate wind speed in the barn for raising livestock, it is necessary to install an extremely large number of ventilation fans, which has a problem that the number of facilities increases.

例えば、家畜が鶏(ブイロラー)である場合、飼育管理として、鶏の体感温度は、生後1〜14日令では、26〜32℃で気流は無し、15〜35日令では、19〜26℃で気流の風速は1m/s以上、36日令以上では、18〜19℃で気流は風速1m/s以上で飼育する必要があることが一般的に知られている。特に、成長した鶏である36日令〜出荷まで(約50日令)は暑さに弱いため、畜舎内温度が高い場合は、鶏の体感温度を下げるために風速3m/sの気流を発生させなければならない。一般的な鶏用の畜舎(敷地が10×45mの約150坪で、平均高さ3m)で計算すると、畜舎内で気流の3m/sを得るためには、5400m/minの風量が必要であり、一般的な300m/minの換気扇に換算すると18台必要になる。 For example, when the livestock is a chicken (buirolar), the sensible temperature of the chicken is 26 to 32 ° C at the age of 1 to 14 days after birth and there is no air flow at the age of 15 to 35 days, and the temperature is 19 to 26 ° C. It is generally known that the airflow needs to be bred at a wind speed of 1 m / s or more, and at 36 days or older, at 18 to 19 ° C. and an airflow of 1 m / s or more. In particular, grown chickens are vulnerable to heat from 36 days to shipment (about 50 days), so when the temperature inside the barn is high, an air flow with a wind speed of 3 m / s is generated to lower the sensible temperature of the chickens. I have to let you. Calculating with a general chicken barn (the site is about 150 tsubo with a site of 10 x 45 m and an average height of 3 m), an air volume of 5400 m 3 / min is required to obtain an air flow of 3 m / s in the barn. Therefore, 18 units are required when converted to a general 300 m 3 / min ventilation fan.

一方、成長した鶏に対しては、畜舎内温度が適温であれば、酸素、二酸化炭素、アンモニアなどの臭気を含め、最適な空気環境を得るために、換気回数30回/hを行う必要があり、上記の一般的な鶏用の畜舎で必要な最低換気量は、675m/minである。すなわち、最低換気量で考えると、上記風速3m/sを得るための換気扇の台数と比較すると、1/8の台数(2台程度)になる。 On the other hand, for grown chickens, if the temperature inside the barn is appropriate, it is necessary to ventilate the chickens at a ventilation rate of 30 times / h in order to obtain an optimum air environment including odors such as oxygen, carbon dioxide, and ammonia. The minimum ventilation required in the above-mentioned general chicken barn is 675 m 3 / min. That is, considering the minimum ventilation volume, the number is 1/8 (about 2) when compared with the number of ventilation fans for obtaining the wind speed of 3 m / s.

また、換気扇の設置面積よりも、鶏用の畜舎内の断面積が広いため、畜舎内での風速のバラツキが大きくなるという問題点を有していた。また、雛の段階や冬季では畜舎内を暖房する必要があるが、換気扇の台数が必要以上に多くなることによって、換気扇が運転していない状態であっても、換気扇の開口部の隙間から自然換気されてしまい、必要以上の暖房を行わなければならないという問題点を有していた。 Further, since the cross-sectional area in the barn for chickens is larger than the installation area of the ventilation fan, there is a problem that the variation in the wind speed in the barn becomes large. In addition, it is necessary to heat the inside of the barn at the stage of chicks and in winter, but by increasing the number of ventilation fans more than necessary, even when the ventilation fans are not operating, it is natural from the gap of the opening of the ventilation fan. It had the problem that it was ventilated and had to be heated more than necessary.

そこで本発明では、畜舎内での最低換気量を維持し、かつ、家畜に最適な気流を与えることができる畜舎用換気送風システムを提供することを目的とする。 Therefore, an object of the present invention is to provide a ventilation ventilation system for livestock that can maintain the minimum ventilation volume in the barn and provide an optimum air flow to livestock.

そして、この目的を達成するために、本発明は、畜舎の一方の壁面に設けられ換気口を有する複数の換気扇と、前記一方の壁面に対向する他方の壁面に設けられた吸込口と、前記換気口および前記吸込口の最下部よりもさらに下方に設けられ、前記他方の壁面から前記一方の壁面に空気を導く送風機と、を備え、前記送風機の給気口及び排気口の下端を前記畜舎内の家畜の頭の高さと同一または頭の高さよりも高い位置に設け、前記家畜の成長度合いに応じて前記送風機の風速を制御し、前記送風機は少なくとも前記吸込口の近傍と
、前記換気扇の近傍に配置され、前記吸込口の近傍の送風機は、前記吸込口の近傍の送風機より上方に配設されている前記吸込口から空気を吸込み、前記換気扇の近傍の送風機に向かって床面に対して水平に送風し、前記換気扇の近傍の送風機は、前記吸込口の近傍の送風機から送風されてくる空気を吸込み、前記換気扇の近傍の送風機より上方に配置されている前記換気扇へ送風を行うことにより所期の目的を達成するものである。
In order to achieve this object, the present invention includes a plurality of ventilation fans provided on one wall surface of the livestock barn and having ventilation ports, a suction port provided on the other wall surface facing the one wall surface, and the above. A blower provided below the lowermost part of the ventilation port and the suction port and for guiding air from the other wall surface to the one wall surface, and the lower ends of the air supply port and the exhaust port of the blower are provided in the livestock barn. It is provided at a position equal to or higher than the head height of the livestock in the house, and the wind speed of the blower is controlled according to the growth degree of the livestock, and the blower is at least in the vicinity of the suction port.
, The blower in the vicinity of the suction port is arranged in the vicinity of the ventilation fan, sucks air from the suction port arranged above the blower in the vicinity of the suction port, and is directed toward the blower in the vicinity of the ventilation fan. The air is blown horizontally to the floor surface, and the blower in the vicinity of the ventilation fan sucks the air blown from the blower in the vicinity of the suction port to the ventilation fan arranged above the blower in the vicinity of the ventilation fan. The intended purpose is achieved by blowing air.

以上のように本発明は、最低換気量を維持するための換気扇と、家畜近傍の温度もしくは家畜の体温を下げるための送風機と設けることにより、家畜にとって有効な風速を得ることができ、かつ畜舎内全体で、一様で均一な風速を得ることができる畜舎用換気送風システムを提供することができるものである。
The present invention as described above, a ventilating fan to maintain the minimum ventilation, by providing a blower for lowering the body temperature or livestock cattle vicinity, it is possible to obtain an effective wind speed for livestock, and It is possible to provide a ventilation ventilation system for a barn that can obtain a uniform and uniform wind speed in the entire barn.

すなわち、送風機の畜舎の床面からの高さを、家畜の頭上(身長)とし、その高さにおいて送風機で水平に吹き出し、もう一方の送風機で同等の風速で吸い込むことで、家畜の頭上の高さで、設定した風速を得ることができる。 That is, the height of the blower from the floor of the barn is defined as the height above the livestock, and at that height, the blower blows out horizontally and the other blower sucks in at the same wind speed, so that the height above the livestock. Now you can get the set wind speed.

また、送風機の高さを家畜の種類や成長に合わせて、上下に調整できる高さ調整手段を設けることにより、常に家畜の頭上に適切な風速を与えることができる畜舎用換気送風システムを提供できるものである。 In addition, by providing a height adjusting means that can adjust the height of the blower up and down according to the type and growth of livestock, it is possible to provide a ventilation ventilation system for livestock that can always give an appropriate wind speed above the livestock. It is a thing.

このように、家畜の種類に対応でき、夏季の暑さ対策に有効な畜舎用換気送風システムを提供することができる。 In this way, it is possible to provide a ventilation ventilation system for livestock that can handle the types of livestock and is effective as a countermeasure against the heat in summer.

本発明の実施の形態1の畜舎用換気送風機を示す概略図Schematic diagram which shows the ventilation blower for a barn of Embodiment 1 of this invention. 従来の畜舎用換気送風機を示す概略図Schematic diagram showing a conventional ventilation blower for a barn

本発明の請求項1に係る畜舎用換気送風システムは、畜舎の一方の壁面に設けられ換気口を有する複数の換気扇と、前記一方の壁面に対向する他方の壁面に設けられた吸込口と、前記換気口および前記吸込口の最下部よりもさらに下方に設けられ、前記他方の壁面から前記一方の壁面に空気を導く送風機と、を備え、前記送風機の給気口及び排気口の下端を前記畜舎内の家畜の頭の高さと同一または頭の高さよりも高い位置に設け、前記家畜の成長度合いに応じて前記送風機の風速を制御し、前記送風機は少なくとも前記吸込口の近傍と、前記換気扇の近傍に配置され、前記吸込口の近傍の送風機は、前記吸込口の近傍の送風機より上方に配設されている前記吸込口から空気を吸込み、前記換気扇の近傍の送風機に向かって床面に対して水平に送風し、前記換気扇の近傍の送風機は、前記吸込口の近傍の送風機から送風されてくる空気を吸込み、前記換気扇の近傍の送風機より上方に配置されている前記換気扇へ送風を行うことを特徴とするものである。 The ventilation ventilation system for a livestock barn according to claim 1 of the present invention includes a plurality of ventilation fans provided on one wall surface of the livestock barn and having a ventilation port, and a suction port provided on the other wall surface facing the one wall surface. A blower provided below the lowermost part of the ventilation port and the suction port and for guiding air from the other wall surface to the one wall surface is provided, and the lower ends of the air supply port and the exhaust port of the blower are provided. It is provided at a position equal to or higher than the head height of the livestock in the barn, and the wind speed of the blower is controlled according to the growth degree of the livestock, and the blower is at least in the vicinity of the suction port and the ventilation fan. The blower in the vicinity of the suction port sucks air from the suction port arranged above the blower in the vicinity of the suction port, and is placed on the floor toward the blower in the vicinity of the ventilation fan. On the other hand, the air is blown horizontally, and the blower in the vicinity of the ventilation fan sucks the air blown from the blower in the vicinity of the suction port and blows the air to the ventilation fan arranged above the blower in the vicinity of the ventilation fan. It is characterized by that.

これにより、酸素濃度、二酸化炭素濃度、アンモニアなどの臭気を一定の濃度に維持するために必要な換気量は、換気扇で確保し、特に夏季など暑い日に、家畜の体感温度を下げるために必要な気流は、換気口および吸込口の最下部よりもさらに下方に設けられ、他方の壁面から一方の壁面に空気を導く送風機の高さを家畜の頭上高さに合わせることで、家畜にとって有効な、風速を得ることができ、かつ畜舎内全体で、一様で均一な風速を得ることが実施できる畜舎用換気送風システムを提供することができる。 As a result, the ventilation volume required to maintain a constant concentration of odors such as oxygen concentration, carbon dioxide concentration, and ammonia is secured by the ventilation fan, and it is necessary to lower the sensible temperature of livestock, especially on hot days such as summer. The airflow is provided further below the bottom of the ventilation and suction ports, and is effective for livestock by adjusting the height of the blower that guides air from the other wall to one wall to the height above the livestock. It is possible to provide a ventilation ventilation system for a livestock barn, which can obtain a wind speed and can obtain a uniform and uniform wind speed in the entire barn.

また、前記送風機は、鉛直上下方向への高さ調整手段を設ける構成としてもよい。 Further, the blower may be configured to be provided with height adjusting means in the vertical vertical direction.

これにより、家畜の成長に合わせて送風機の送風位置を変更できるため、畜舎内を家畜の成長に合わせた適切な温度管理等が容易にできる畜舎用換気送風システムを提供できる。
壁と壁の距離が長く、気流が届きにくい場合であっても、間に送風機を設けることで、畜舎内全体で、均一の風速を得ることができる畜舎用換気送風システムを提供できる。
As a result, since the ventilation position of the blower can be changed according to the growth of the livestock, it is possible to provide a ventilation ventilation system for the livestock that can easily control the temperature of the inside of the livestock according to the growth of the livestock.
Even when the distance between the walls is long and it is difficult for the airflow to reach, by providing a blower between the walls, it is possible to provide a ventilation ventilation system for the livestock barn that can obtain a uniform wind speed throughout the barn.

また、前記換気扇及び前記送風機を1又は複数備える構成としてもよい。 Further, the ventilation fan and the blower may be provided in one or more.

これにより、畜舎内を適切な温度にすることができる畜舎用換気送風システムを提供できる。
(実施の形態1)
以下、本発明の実施の形態について、図面を参照しながら説明する。
This makes it possible to provide a ventilation ventilation system for a barn that can bring the inside of the barn to an appropriate temperature.
(Embodiment 1)
Hereinafter, embodiments of the present invention will be described with reference to the drawings.

図1は、本発明に係る鶏用の畜舎用換気送風システムの構成を示す。 FIG. 1 shows the configuration of a ventilation ventilation system for a barn for chickens according to the present invention.

図1に示すように、畜舎用換気送風システムは、家畜(鶏)2が飼育されている畜舎1の一方の壁面に、換気扇3が畜舎内の床面から1.5〜2m程度の高さに複数台配設されおり、換気扇3が配設されている壁面と対向する反対側壁面(他方の壁面)に、吸込口4が床面から1.5〜2m程度の高さに配設されている。換気扇3は、畜舎1内の空気を外部に排出するように動作している。したがって、換気扇3を動作すると、換気扇3は他方の壁面に設けられた吸込口4から外気を取り込み、畜舎1内をほぼ真直ぐに通風して、換気扇3によって畜舎外に排出されることにより、畜舎内が換気される。 As shown in FIG. 1, in the ventilation ventilation system for a barn, a ventilation fan 3 is placed on one wall surface of the barn 1 where the livestock (chicken) 2 is bred at a height of about 1.5 to 2 m from the floor surface in the barn. The suction ports 4 are arranged at a height of about 1.5 to 2 m from the floor surface on the opposite side wall surface (the other wall surface) facing the wall surface on which the ventilation fan 3 is arranged. ing. The ventilation fan 3 operates so as to exhaust the air in the barn 1 to the outside. Therefore, when the ventilation fan 3 is operated, the ventilation fan 3 takes in outside air from the suction port 4 provided on the other wall surface, ventilates the inside of the livestock barn 1 almost straight, and is discharged to the outside of the livestock barn by the ventilation fan 3. The inside is ventilated.

さらに、畜舎用換気送風システムは、吸込口4の近傍で、床面から15cm〜1m程度の高さに設置された送風機5と、換気扇3の近傍で、床面から15cm〜1m程度の高さに設置された送風機6とを備えている。 Further, the ventilation ventilation system for the livestock barn has a blower 5 installed at a height of about 15 cm to 1 m from the floor surface near the suction port 4 and a height of about 15 cm to 1 m from the floor surface near the ventilation fan 3. It is equipped with a blower 6 installed in.

吸込口4の近傍の送風機5は、送風機5より上方に配設されている畜舎1の吸込口4から空気を吸い込み、一方の壁面方向にある送風機6に向かって床面に対して水平に送風を行う。 The blower 5 in the vicinity of the suction port 4 sucks air from the suction port 4 of the livestock barn 1 arranged above the blower 5, and blows air horizontally to the floor surface toward the blower 6 in the direction of one wall surface. I do.

換気扇3の近傍の送風機6は、他方の壁面方向にある送風機5から送風されてくる空気を吸い込み、送風機6より上方に配設されている畜舎1の換気扇3へ送風を行う。また、本実施の形態では、送風機5と送風機6の間に、送風の中継用として、送風機7を設置し、吸込口4の近傍の送風機5から送風された空気を、換気扇3の近傍の送風機6に向かって床面に対して水平に送風している。なお、中継用の送風機7は、適切な風量を維持できるように設置されていれば良く、複数個設置されていても良い。なお、送風機5乃至7は、同軸上に吸気口と排気口を備え、吸気口から吸気した空気を排気口から排出し、直線的な送風を行っている。 The blower 6 in the vicinity of the ventilation fan 3 sucks the air blown from the blower 5 in the direction of the other wall surface, and blows the air to the ventilation fan 3 of the livestock barn 1 arranged above the blower 6. Further, in the present embodiment, a blower 7 is installed between the blower 5 and the blower 6 to relay the blown air, and the air blown from the blower 5 near the suction port 4 is blown by the blower near the ventilation fan 3. Air is blown horizontally to the floor toward 6. It should be noted that the relay blowers 7 may be installed in a plurality as long as they are installed so as to maintain an appropriate air volume. The blowers 5 to 7 are coaxially provided with an intake port and an exhaust port, and the air taken in from the intake port is discharged from the exhaust port to perform linear ventilation.

また、送風機5乃至7のそれぞれには、床面からの高さを調整できる高さ調整手段が設けられている。この高さ調整手段は、ジャッキ等の手動もしくは自動で上下できるものである。本実施の形態では、送風機5乃至7が設置される高さは、家畜の頭上の高さに合わせて設置されており、具体的には、成長した鶏の身長であれば、約30cmであるため、送風機の吸気口及び排気口の下端を、床面から30cmの高さもしくは、それよりも少し高い位置(例えば31〜50cm程度)に設定し、送風を行うように設定されている。なお、送風機5乃至7は、床面から30cmの高さにおいて、風速3m/sを発生できる送風機である。 Further, each of the blowers 5 to 7 is provided with a height adjusting means capable of adjusting the height from the floor surface. This height adjusting means can be raised and lowered manually or automatically by a jack or the like. In the present embodiment, the height at which the blowers 5 to 7 are installed is set according to the height above the livestock, and specifically, the height of a grown chicken is about 30 cm. Therefore, the lower ends of the intake port and the exhaust port of the blower are set at a height of 30 cm from the floor surface or a position slightly higher than that (for example, about 31 to 50 cm) to blow air. The blowers 5 to 7 are blowers capable of generating a wind speed of 3 m / s at a height of 30 cm from the floor surface.

ここで、畜舎用換気送風システムの動作について説明する。 Here, the operation of the ventilation ventilation system for the barn will be described.

換気扇3を運転することで、吸込口4から外気が流入し、換気扇3から畜舎1内空気が排出され、換気される。基本的な換気量としては、飼育されている家畜の種類、成長度合いによって、最低必要な酸素濃度、もしくは二酸化炭素濃度の上限値が決まっており、その濃度を確保するための換気量から、必要な換気扇の種類と台数を選定し設置される。 By operating the ventilation fan 3, the outside air flows in from the suction port 4, and the air inside the livestock barn 1 is discharged from the ventilation fan 3 to be ventilated. As for the basic ventilation volume, the minimum required oxygen concentration or the upper limit of carbon dioxide concentration is determined depending on the type of livestock raised and the degree of growth, and it is necessary from the ventilation volume to secure that concentration. The type and number of ventilation fans are selected and installed.

さらに、吸込口4の近傍に配置された送風機5は、送風機5より上方に配設されている畜舎1の吸込口4から空気を吸い込み、一方の壁面方向にある送風機6に向かって床面に対して水平に送風を行う。また、送風機7は、吸込口4の近傍の送風機5から送風された空気を、換気扇3の近傍の送風機6に向かって床面に対して水平に送風している。また、換気扇3の近傍の送風機6は、他方の壁面方向にある送風機7から送風されてくる空気を、送風機6より上方に配設されている畜舎1の換気扇3へ送風を行う。 Further, the blower 5 arranged in the vicinity of the suction port 4 sucks air from the suction port 4 of the livestock barn 1 arranged above the blower 5, and faces the floor surface toward the blower 6 in the direction of one wall surface. On the other hand, blow air horizontally. Further, the blower 7 blows the air blown from the blower 5 near the suction port 4 toward the blower 6 near the ventilation fan 3 horizontally with respect to the floor surface. Further, the blower 6 in the vicinity of the ventilation fan 3 blows the air blown from the blower 7 in the direction of the other wall surface to the ventilation fan 3 of the livestock barn 1 arranged above the blower 6.

このような畜舎用換気送風システムは、換気扇3、吸込口4、送風機5乃至7及び送風機に備えた風速と温度が測定できるセンサー9a〜cを集中的に管理制御する制御部10を設けて、様々な状態を管理する。なお、制御部10は、CPU、メモリ記憶装置、ディスプレイ、及びキーボード等から構成されている。また、制御部10は、図示しないが、無線接続または有線接続により、換気扇3、吸込口4、送風機5〜7、高さ調整手段8、及びセンサー9a〜cと接続されている。なお、制御部10は、畜舎1以外の場所に設置されているものとする。 Such a ventilation ventilation system for a livestock barn is provided with a ventilation fan 3, a suction port 4, blowers 5 to 7, and a control unit 10 for centrally managing and controlling sensors 9a to 9c provided in the blower that can measure the wind speed and temperature. Manage various states. The control unit 10 is composed of a CPU, a memory storage device, a display, a keyboard, and the like. Although not shown, the control unit 10 is connected to the ventilation fan 3, the suction port 4, the blowers 5 to 7, the height adjusting means 8, and the sensors 9a to 9c by wireless connection or wired connection. It is assumed that the control unit 10 is installed in a place other than the barn 1.

例えば、家畜が鶏(ブイロラー)である場合、生後1〜14日令では、26〜32℃で気流が無い状態が最適であり、制御部10は、送風機5乃至7を動作させず、吸込口4の開口量の自動調整し、複数の換気扇3のうちの一部の換気扇3のみを動作させる制御を指示することにより、畜舎1内の温度を26〜32℃に維持管理する。なお、吸込口4と一部の換気扇3だけの換気の場合、畜舎1の床面近辺には、ほとんど風が流れない。 For example, when the livestock is a chicken (buirolar), it is optimal that there is no air flow at 26 to 32 ° C. at the age of 1 to 14 days after birth, and the control unit 10 does not operate the blowers 5 to 7 and the suction port. The temperature inside the livestock barn 1 is maintained at 26 to 32 ° C. by automatically adjusting the opening amount of 4 and instructing control to operate only a part of the ventilation fans 3 out of the plurality of ventilation fans 3. In the case of ventilation of only the suction port 4 and a part of the ventilation fan 3, almost no wind flows near the floor surface of the livestock barn 1.

また、15〜35日令では、19〜26℃で気流の風速は1m/s以上の状態が最適であり、制御部10は、高さ調整手段8により、送風機5乃至7を15cm程度の高さに自動調整し、風速1m/s程度で動作するように制御を指示する。この場合には、送風機5乃至7にセンサー9a〜cを備えることで、15cm程度の高さにおいて19〜26℃になるように、吸込口4の開口量と、換気扇3の動作を制御する。 Further, at the age of 15 to 35 days, it is optimal that the wind speed of the airflow is 1 m / s or more at 19 to 26 ° C., and the control unit 10 raises the blowers 5 to 7 by about 15 cm by the height adjusting means 8. It automatically adjusts and instructs the control to operate at a wind speed of about 1 m / s. In this case, the blowers 5 to 7 are provided with sensors 9a to 9 to control the opening amount of the suction port 4 and the operation of the ventilation fan 3 so that the temperature is 19 to 26 ° C. at a height of about 15 cm.

また、成長した鶏である36日令〜出荷(約50日令)は、18〜19℃で気流は風速1m/s以上の状態が最適であり、制御部10は、高さ調整手段8により、送風機5乃至7を30cm程度の高さに自動調整し、風速1m/s程度で動作するように制御を指示する。この場合には、送風機5乃至7にセンサー9a〜cを備えることで、30cm程度の高さにおいて19〜26℃になるように、吸込口4の開口量と、換気扇3の動作を制御する。しかし、36日令〜出荷(約50日令)の成長した鶏は、暑さに弱いため、吸込口4の開口量と換気扇3の動作だけでは30cm程度の高さにおいて19〜26℃にならない場合(例えば、真夏)に、鶏の体感温度を下げるために、送風機5乃至7を風速3m/s程度で動作するように制御する。なお、送風機5乃至7で発生する気流は一定ではなく、間欠動作させるように制御してもよい。また、送風機5、送風機6、送風機7を個別に風量調整し、連動させるように制御してもよい。 In addition, it is optimal for a grown chicken to be shipped from 36 days old to shipping (about 50 days old) at 18 to 19 ° C. and a wind speed of 1 m / s or more, and the control unit 10 uses the height adjusting means 8. , The blowers 5 to 7 are automatically adjusted to a height of about 30 cm, and control is instructed to operate at a wind speed of about 1 m / s. In this case, the blowers 5 to 7 are provided with sensors 9a to 9 to control the opening amount of the suction port 4 and the operation of the ventilation fan 3 so that the temperature is 19 to 26 ° C. at a height of about 30 cm. However, since chickens grown from 36 days to shipment (about 50 days) are vulnerable to heat, the temperature does not reach 19 to 26 ° C at a height of about 30 cm only by the opening amount of the suction port 4 and the operation of the ventilation fan 3. In some cases (for example, midsummer), the blowers 5 to 7 are controlled to operate at a wind speed of about 3 m / s in order to lower the sensible temperature of the chicken. The airflow generated by the blowers 5 to 7 is not constant, and may be controlled so as to operate intermittently. Further, the blower 5, the blower 6, and the blower 7 may be individually adjusted in air volume and controlled so as to be interlocked with each other.

さらに、成長した鶏に対しては、畜舎1内温度が適温であれば、酸素、二酸化炭素、アンモニアなどの臭気を含め、最適な空気環境を得るために、換気回数30回/hを行う必要があり、この場合、一般的な鶏用の畜舎で必要な最低換気量は、675m/minであるため、一般的な換気扇を2台程度分の風量を生成するだけの換気扇3を動作するように制御する。 Furthermore, for grown chickens, if the temperature inside the barn 1 is appropriate, it is necessary to ventilate the chickens at a ventilation rate of 30 times / h in order to obtain an optimum air environment including odors such as oxygen, carbon dioxide, and ammonia. In this case, the minimum ventilation required in a general chicken barn is 675 m 3 / min, so the ventilation fan 3 that only generates air volume equivalent to about two general ventilation fans is operated. To control.

以上に本実施の形態を説明したが、本実施の形態に限るものではなく、送風機5乃至7を、図示していないが、畜舎1の壁の幅方向(図1における奥行き方向)に複数台設置して、畜舎1の敷地面積において一様に均一な気流を得るようにすることが望ましい。 Although the present embodiment has been described above, the present embodiment is not limited to this embodiment, and although not shown, a plurality of blowers 5 to 7 are provided in the width direction of the wall of the barn 1 (depth direction in FIG. 1). It is desirable to install it so that a uniform airflow can be obtained over the site area of the barn 1.

また、実施の形態では、送風機5より上方に配設されている畜舎1の吸込口4から空気を吸い込み、送風機6より上方に配設されている畜舎1の換気扇3へ送風を行う構成としているが、送風機5及び6を直接畜舎1の壁面に設置し、直接外気を吸い込み、直接畜舎1の外に排気するようにしても良い。 Further, in the embodiment, air is sucked from the suction port 4 of the livestock barn 1 arranged above the blower 5, and the air is blown to the ventilation fan 3 of the livestock barn 1 arranged above the blower 6. However, the blowers 5 and 6 may be installed directly on the wall surface of the livestock barn 1 to directly suck in the outside air and exhaust it directly to the outside of the livestock barn 1.

また、送風機5と送風機6の間に送風機7を設けているが、畜舎1の壁と壁の距離が短い場合は、送風機7は不要であり、距離が長い場合や送風機の性能によっては、更に送風機7を複数台設けても良い。 Further, although the blower 7 is provided between the blower 5 and the blower 6, if the distance between the walls of the barn 1 is short, the blower 7 is unnecessary, and if the distance is long or depending on the performance of the blower, the blower 7 may be further provided. A plurality of blowers 7 may be provided.

また、本実施の形態では家畜を鶏として説明したが、家畜の種類としては複数あり、鶏以外の豚や牛もそれぞれの頭上の高さに送風機を設置することで同様の効果を奏することができる。 Further, in the present embodiment, the livestock is described as a chicken, but there are multiple types of livestock, and pigs and cows other than chickens can achieve the same effect by installing a blower at the height above each of them. it can.

以上のように本発明にかかる畜舎用換気送風システムは、家畜の体温を効果的に下げ、家畜の最適な気流を畜舎内一様でかつ均一に提供でき、かつ家畜の成長度合いに応じた対応もできるので、畜舎用換気送風システムとして有用である。 As described above, the ventilation ventilation system for livestock according to the present invention can effectively lower the body temperature of livestock, provide the optimum air flow of livestock uniformly and uniformly in the livestock, and respond according to the degree of growth of livestock. It is also useful as a ventilation and ventilation system for livestock barns.

1 畜舎
2 家畜
3 換気扇
4 吸込口
5 送風機
6 送風機
7 送風機
8 高さ調整手段
9a,9b,9c センサー
10 制御部
1 Livestock 2 Livestock 3 Ventilation fan 4 Suction port 5 Blower 6 Blower 7 Blower 8 Height adjustment means 9a, 9b, 9c Sensor 10 Control unit

Claims (2)

畜舎の一方の壁面に設けられ換気口を有する複数の換気扇と、
前記一方の壁面に対向する他方の壁面に設けられた吸込口と、
前記換気口および前記吸込口の最下部よりもさらに下方に設けられ、前記他方の壁面から前記一方の壁面に空気を導く複数の送風機と、を備え、
前記送風機の給気口及び排気口の下端を前記畜舎内の家畜の頭の高さと同一または頭の高さよりも高い位置に設け、前記家畜の成長度合いに応じて前記送風機の風速を制御し、
前記送風機は少なくとも前記吸込口の近傍と、前記換気扇の近傍に配置され、
前記吸込口の近傍の送風機は、前記吸込口の近傍の送風機より上方に配設されている前記吸込口から空気を吸込み、前記換気扇の近傍の送風機に向かって床面に対して水平に送風し、
前記換気扇の近傍の送風機は、前記吸込口の近傍の送風機から送風されてくる空気を吸込み、前記換気扇の近傍の送風機より上方に配置されている前記換気扇へ送風を行うことを特徴とする畜舎用換気送風システム。
Multiple ventilation fans with ventilation openings on one wall of the barn,
A suction port provided on the other wall surface facing the one wall surface, and
A plurality of blowers provided below the ventilation port and the lowermost portion of the suction port and for guiding air from the other wall surface to the one wall surface are provided.
The lower ends of the air supply port and the exhaust port of the blower are provided at a position equal to or higher than the head height of the livestock in the barn, and the wind speed of the blower is controlled according to the growth degree of the livestock.
The blower is arranged at least in the vicinity of the suction port and in the vicinity of the ventilation fan.
The blower in the vicinity of the suction port sucks air from the suction port arranged above the blower in the vicinity of the suction port, and blows air horizontally to the floor surface toward the blower in the vicinity of the ventilation fan. ,
The blower in the vicinity of the ventilation fan sucks the air blown from the blower in the vicinity of the suction port and blows the air to the ventilation fan arranged above the blower in the vicinity of the ventilation fan. Ventilation ventilation system.
前記送風機は、
鉛直上下方向への高さ調整手段を設けた請求項1に記載の畜舎用換気送風システム。
The blower
The ventilation ventilation system for a barn according to claim 1, wherein the height adjusting means in the vertical vertical direction is provided.
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JPH03191242A (en) * 1989-12-19 1991-08-21 Isamu Kobayashi Ventilating method for cattle shed and its apparatus
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