JPH07239183A - Drying control device of grain drier - Google Patents
Drying control device of grain drierInfo
- Publication number
- JPH07239183A JPH07239183A JP3055794A JP3055794A JPH07239183A JP H07239183 A JPH07239183 A JP H07239183A JP 3055794 A JP3055794 A JP 3055794A JP 3055794 A JP3055794 A JP 3055794A JP H07239183 A JPH07239183 A JP H07239183A
- Authority
- JP
- Japan
- Prior art keywords
- grain
- drying
- moisture
- hot air
- amount
- 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
Links
Landscapes
- Drying Of Solid Materials (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】この発明は、穀粒乾燥機の乾燥制
御装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drying control device for a grain dryer.
【0002】[0002]
【従来の技術、及び発明が解決しようとする課題】従
来、乾燥作業の前段の穀粒張込作業のときは、貯留室内
へ張込される穀粒量の検出は、この貯留室内の前方左側
で下部より順次張込穀粒の圧力によってON−OFFす
る各張込量センサを上下方向に所定間隔で複数個設け
た、これら各張込量センサのONにより、張込穀粒量が
検出される。この検出された張込穀粒量に対応して、乾
燥熱風温度が設定されて、この設定乾燥熱風温度で穀粒
は乾燥される。(例えば特開平5−231771号公
報) 上記の如く、張込穀粒量の検出は、張込作業終了時の各
張込量センサのONによって検出されるが、該各張込量
センサの検出の読み込み時期は、所定の循環が行われた
後とすることにより、正確な張込穀粒量を検出すること
ができることにより、所定の循環後にすると共に、穀粒
水分のばらつきが減少したときに検出させて、張込穀粒
量に対応した正確な乾燥熱風温度を得ようとするもので
ある。2. Description of the Related Art Conventionally, during the grain loading operation in the preceding stage of the drying operation, the amount of grain loaded into the storage chamber is detected by the front left side of this storage chamber. In the above, a plurality of each amount sensor which is turned on and off sequentially from the bottom by the pressure of the amount of grain is provided at a predetermined interval in the vertical direction, and the amount of grain is detected by turning on each of the amount sensors. It The dry hot air temperature is set in accordance with the detected amount of the laid grain, and the grain is dried at the set dry hot air temperature. (For example, Japanese Unexamined Patent Publication No. Hei 5-231771) As described above, the detection of the amount of grain to be infused is detected by turning on each amount sensor of infiltration at the end of the infiltration work. By reading after the specified circulation, it is possible to detect the exact amount of grain overhang, and after the specified circulation, and when the variation in the grain moisture decreases. It is intended to detect and obtain an accurate dry hot air temperature corresponding to the amount of grain loaded.
【0003】[0003]
【課題を解決するための手段】この発明は、上部の穀粒
貯留室7から下部の穀粒乾燥室8へ穀粒を繰出し流下さ
せて循環させながら、バーナ3から発生する熱風と外気
風とが混合した乾燥熱風を該乾燥室8へ通風して熱風乾
燥すべく設け、該貯留室7内には下部より順次張込穀粒
でON−OFFする張込量センサ8a,8a,……を上
下方向に所定間隔で複数個設けて張込穀粒量を検出する
と共に、循環乾燥中の穀粒水分を検出する水分センサ2
を設けた穀粒乾燥機において、乾燥開始のときは該乾燥
熱風温度を一定温度に設定して穀粒を乾燥させ、乾燥開
始から所定時間経過後、及び該水分センサ2が検出する
穀粒水分のばらつきが所定値以下になったときは該張込
量センサ8a,8a,……が検出する張込穀粒量に対応
する該乾燥熱風温度に設定して穀粒を乾燥する制御装置
37を設けたことを特徴とする穀粒乾燥機の乾燥制御装
置の構成とする。According to the present invention, the hot air and the outside air generated from the burner 3 are fed while the grains are fed from the upper grain storage chamber 7 to the lower grain drying chamber 8 and are circulated while flowing down. Is provided to ventilate the dry hot air mixed into the drying chamber 8 to dry the hot air, and the storage chamber 7 is provided with swelling amount sensors 8a, 8a, ... A moisture sensor 2 which is provided at a predetermined interval in the vertical direction to detect the amount of overwhelmed grains and also detects the moisture content of the grains during circulating drying.
In the grain dryer provided with, at the start of drying, the drying hot air temperature is set to a constant temperature to dry the grain, and after a predetermined time has elapsed from the start of drying, and the moisture content of the grain detected by the moisture sensor 2. When the variation of is less than or equal to a predetermined value, a controller 37 for drying the grain by setting the dry hot air temperature corresponding to the amount of grain to be detected detected by the amount sensor 8a, 8a, ... A drying control device for a grain dryer characterized by being provided.
【0004】[0004]
【発明の作用、及び効果】乾燥作業開始から所定時間経
過するまでは、バーナ3からの乾燥熱風温度は、設定し
た一定温度に制御されて穀粒は乾燥され、上記の所定時
間が経過し、更に水分センサ2が検出する穀粒水分のば
らつきが、所定値以下になったときは、張込量センサ8
a,8a,……で張込穀粒量が検出され、この検出され
た張込穀粒量に対応する該バーナ3からの乾燥熱風温度
が選定されて設定され、この設定乾燥熱風温度で穀粒は
乾燥される。The operation and effect of the invention: Until the predetermined time elapses from the start of the drying operation, the temperature of the dry hot air from the burner 3 is controlled to the set constant temperature to dry the grain, and the above predetermined time elapses. Further, when the variation in the moisture content of the grain detected by the moisture sensor 2 becomes less than or equal to a predetermined value, the stuck amount sensor 8
a, 8a, ... Detects the amount of grain infused, and the dry hot air temperature from the burner 3 corresponding to the detected amount of grain infused is selected and set. The grains are dried.
【0005】上記により、乾燥開始から所定時間経過
後、更に穀粒水分ばらつきが所定値以下になると、張込
穀粒量が検出されることにより、貯留室7内へ拡散供給
された穀粒は、均等な拡散状態になったとき、又穀粒よ
り小枝梗が除去されたときに、検出されることにより、
正確な張込穀粒量の検出ができて、正確な乾燥熱風温度
の設定ができる。As described above, after a predetermined time has elapsed from the start of drying, when the variation in the moisture content of the grain is further reduced to a predetermined value or less, the amount of grain overhanging is detected, so that the grains diffused and supplied into the storage chamber 7 are By detecting when the twigs are removed from the grain evenly, the
It is possible to accurately detect the amount of spilled grains, and to set the temperature of dry hot air accurately.
【0006】[0006]
【実施例】以下、本発明の一実施例を図面に基づいて説
明する。図例は、穀粒を乾燥する循環型の穀粒乾燥機1
に穀粒の水分を検出する水分センサ2及び熱風が発生す
るバーナ3等を装着した状態を示すものである。前記乾
燥機1は、前後方向に長い長方形状で機壁4上部には、
移送螺旋を回転自在に内装した移送樋5及び天井板6を
設け、この天井板6下側には穀粒を貯留する穀粒貯留室
7を形成している。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. The illustrated example is a circulation type grain dryer 1 for drying grains.
It shows a state in which a moisture sensor 2 for detecting moisture in the grain, a burner 3 for generating hot air, etc. are mounted. The dryer 1 has a rectangular shape that is long in the front-rear direction, and the upper part of the machine wall 4 is
A transfer trough 5 and a ceiling plate 6 in which a transfer spiral is rotatably installed are provided, and a grain storage chamber 7 for storing grains is formed below the ceiling plate 6.
【0007】前記貯留室7を形成する前側機壁4中央部
より右側寄りには、この貯留室7内へ張込する穀粒量を
目視する覗窓4aを上下方向に所定間隔で複数個設けて
いる。張込穀粒量検出装置5aは、貯留室7内の前側機
壁4側で左側機壁4近傍位置へ天井板6から吊り下げ状
態に設けている。A plurality of viewing windows 4a for visually observing the amount of grains to be loaded into the storage chamber 7 are provided at a predetermined interval in the vertical direction on the right side of the central portion of the front machine wall 4 forming the storage chamber 7. ing. The stuck grain amount detecting device 5a is provided in a suspended state from the ceiling plate 6 to a position near the left machine wall 4 on the front machine wall 4 side in the storage chamber 7.
【0008】前記張込穀粒量検出装置5aは、図4の如
く、例えば左右両側の帯状の樹脂フィルム板6a,6b
の各内側面へ各導通板7a,7bよりなる各張込量セン
サ8a,8a,……を上下方向に所定間隔で装着し、又
中間には、空胴孔9aを設けた補助板9bを、樹脂フィ
ルム板6cへ上下方向に所定間隔で装着し、これら各樹
脂フィルム板6a,6b,6cは、一体に成形された構
成である。(図4は、分割状態を示す。)張込穀粒の圧
力によって押されて、該樹脂フィルム板6cの該補助板
9bの該空胴孔9aを経て、該樹脂フィルム板6a,6
bの該張込量センサ8aの該導通板7a,7bが接触す
る構成であり、この接触によって流電状態のON作動と
なり、この通電状態のON作動が運転操作装置14へ入
力され、このON作動入力により、これら導通板7a,
7bの接触位置まで穀粒が張込されたと検出して、張込
穀粒量を検出する構成である。As shown in FIG. 4, the inlaid grain amount detecting device 5a is, for example, a strip-shaped resin film plate 6a, 6b on both right and left sides.
.., each of which is composed of conductive plates 7a, 7b, is attached to each inner surface of the above at predetermined intervals in the vertical direction, and an auxiliary plate 9b having a cavity hole 9a is provided in the middle. The resin film plates 6c are mounted on the resin film plate 6c at predetermined intervals in the vertical direction, and the resin film plates 6a, 6b, 6c are integrally molded. (FIG. 4 shows a divided state.) The resin film plates 6a, 6 are pushed by the pressure of the swelling grain and pass through the cavity hole 9a of the auxiliary plate 9b of the resin film plate 6c.
The conducting plates 7a and 7b of the squeezing amount sensor 8a of b are brought into contact with each other, and this contact causes an ON operation in a galvanic state, and this ON operation in an energized state is input to the driving operation device 14, and this ON operation is performed. By the operation input, these conductive plates 7a,
It is configured to detect that the grain has been squeezed to the contact position of 7b and detect the amount of spilled grain.
【0009】前記各導通板7a,7bは、例えば穀粒乾
燥処理能力が32石の乾燥機1であったとすると、該導
通板7a,7b及び補助板9bは、下部より順次最低張
込量6石,8石,12石,16石,20石,24石,2
8石及び最大張込穀粒量32石に対応する位置に設け、
この32石位置が流電状態になると、張込穀粒は満量で
あると検出する構成である。Assuming that the conductive plates 7a and 7b are, for example, a dryer 1 having a grain drying capacity of 32 stones, the conductive plates 7a and 7b and the auxiliary plate 9b are sequentially stretched from the bottom to a minimum amount 6 Stone, 8 stones, 12 stones, 16 stones, 20 stones, 24 stones, 2
Provided at a position corresponding to 8 stones and a maximum amount of grain 32 stones,
When the position of 32 stones is in a galvanic state, it is configured to detect that the stake grain is full.
【0010】穀粒乾燥室8,8は、貯留室7下側におい
て、左右両側の排風室9,9と中央の送風室10との間
に設け、これら乾燥室8,8下部には、穀粒を繰出し流
下させる繰出バルブ11を夫々回転自在に軸支してい
る。集穀樋12は、移送螺旋を回転自在に軸支し、各乾
燥室8,8下側に設けて連通させている。The grain drying chambers 8 and 8 are provided below the storage chamber 7 between the exhaust chambers 9 and 9 on both the left and right sides and the blower chamber 10 at the center, and below the drying chambers 8 and 8. Each of the feeding valves 11 for feeding and dropping the grain is rotatably supported. The grain collecting trough 12 rotatably supports a transfer spiral and is provided below the drying chambers 8 and 8 to communicate with each other.
【0011】前記バーナ3は、バーナケース13に内装
して設け、このバーナケース13は、前側機壁4正面側
において、送風室10入口側に対応すべくこの前側機壁
4外側面に着脱自在に設け、又乾燥機1、水分センサ2
及び該バーナ3等を張込、乾燥及び排出の各作業別に始
動及び停止操作する運転操作装置14は、該前側機壁4
外側面に着脱自在に設けている。The burner 3 is installed inside a burner case 13, and the burner case 13 is detachably attached to the outer surface of the front machine wall 4 on the front side of the front machine wall 4 so as to correspond to the inlet side of the blower chamber 10. Installed in the dryer, the dryer 1, the moisture sensor 2
Also, the operation device 14 for starting and stopping the burner 3 and the like for each work of loading, drying, and discharging is the front machine wall 4
Detachable on the outer surface.
【0012】排風機15は、後側機壁4で、左右の排風
室9,9に連通すべく設けた排風路室16中央後部側排
風胴17に設け、又この後側機壁4には、この排風機1
5を回転駆動する排風機モータ18を設けている。バル
ブモータ19は、繰出バルブ11,11を減速機構を介
して回転駆動させている。The exhaust fan 15 is provided on a rear side exhaust wall 9, which is provided at the central rear side exhaust duct 17 of the exhaust passage chamber 16 provided so as to communicate with the left and right exhaust chambers 9, 9. 4 is this blower 1
A blower motor 18 for rotating and driving 5 is provided. The valve motor 19 rotationally drives the delivery valves 11, 11 via a speed reduction mechanism.
【0013】燃料ポンプ20は、燃料バルブを有して、
バーナケース13下板外側に設け、この燃料バルブの開
閉により、この燃料ポンプ20で燃料タンク21内の燃
料を吸入して、バーナ3へ供給させている。送風機22
は、上板外側に設け、変速用の送風機モータ23で変速
回転駆動させ、供給燃料量に見合った燃焼用空気を該バ
ーナ3へこの送風機22で送風させている。該バーナ3
から発生する熱風と該バーナケース13内を通過する外
気風とが混合して乾燥熱風になる構成である。The fuel pump 20 has a fuel valve,
The fuel pump 20 is provided outside the lower plate of the burner case 13, and the fuel in the fuel tank 21 is sucked by the fuel pump 20 and supplied to the burner 3. Blower 22
Is provided on the outer side of the upper plate and is rotationally driven at a variable speed by a fan motor 23 for speed change so that combustion air commensurate with the amount of fuel supplied is blown by the fan 22 to the burner 3. The burner 3
The hot air generated from the burner case and the outside air passing through the burner case 13 are mixed into dry hot air.
【0014】拡散盤24は、移送樋5底板の前後方向中
央部で、移送穀粒を貯留室7へ供給する供給口の下側に
設け、該貯留室7へ穀粒を均等に拡散還元させている。
昇穀機25は、前側機壁4外側部に設けられ、内部には
バケットコンベア26付ベルトを張設してなり、上端部
は、移送樋5始端部との間において投出筒27を設けて
連通させて、下端部は、集穀樋12終端部との間におい
て供給樋28を設けて連通させている。該昇穀機25下
部には、穀粒を投入供給する張込ホッパ(図示せず)を
設けている。The diffusion plate 24 is provided at the center of the bottom plate of the transfer gutter 5 in the front-rear direction and below the supply port for supplying the transfer grains to the storage chamber 7 to uniformly diffuse and reduce the grains to the storage chamber 7. ing.
The grain-raising machine 25 is provided on the outer side of the front side machine wall 4, is provided with a belt with a bucket conveyor 26 stretched inside, and an upper end portion is provided with a throw-out cylinder 27 between the transfer gutter 5 and the starting end portion. The lower end portion is provided with a supply gutter 28 between the lower end portion and the terminal end portion of the grain collecting trough 12 for communication. At the lower part of the grain raising machine 25, a hopper (not shown) for feeding and supplying grains is provided.
【0015】昇穀機モータ29は、バケットコンベア2
6付ベルト、移送樋5内の移送螺旋、拡散盤24及び集
穀樋12内の移送螺旋等を回転駆動させている。前記水
分センサ2は、昇穀機25の上下方向ほぼ中央部に設
け、この水分センサ2は、運転操作装置14からの電気
的測定信号の発信により、水分モータ30が回転して、
この水分センサ2の各部の繰込ロール29′a及び検出
ロール30′,30′等が回転駆動され、バケットコン
ベア26で上部へ搬送中に落下する穀粒を該繰込ロール
29′aと案内板29′bとで受けて1粒づつ繰込み移
送して、下側の該検出ロール30′,30′へ供給し
て、この穀粒を1粒づつ挟圧粉砕しながら、この粉砕穀
粒の、例えば32粒の水分を検出させて、平均値を算出
して1回の検出穀粒水分とさせている。The grain elevator motor 29 is used for the bucket conveyor 2
The belt with 6 and the transfer spiral in the transfer gutter 5 and the transfer spiral in the diffusing plate 24 and the grain collecting gutter 12 are rotationally driven. The moisture sensor 2 is provided substantially in the central portion in the up-down direction of the grain raising machine 25. The moisture sensor 2 rotates the moisture motor 30 in response to the transmission of an electrical measurement signal from the operation device 14.
The take-in roll 29'a and the detection rolls 30 ', 30' of each part of the moisture sensor 2 are rotationally driven to guide the grains falling during the upper conveyance by the bucket conveyor 26 to the take-up roll 29'a. The crushed grains are received by the plate 29'b and transferred one by one and fed to the detection rolls 30 ', 30' on the lower side. , For example, 32 grains of water are detected, and an average value is calculated to be one detection grain moisture.
【0016】前記運転操作装置14は、箱形状でこの箱
体の表面板には、乾燥機1、水分センサ2及びバーナ3
等を張込、乾燥及び排出の各作業別に始動操作する押ボ
タン方式でON−OFFスイッチの各始動手段31、停
止操作する停止手段32、穀粒の仕上目標水分を設定す
る水分設定抓み33、該バーナ3から発生する熱風の温
度を操作位置によって設定する穀物種類設定抓み34、
各種表示項目をデジタル表示する表示部36及びモニタ
表示等を設けている。The operation and operation device 14 has a box shape, and a dryer 1, a moisture sensor 2 and a burner 3 are provided on a surface plate of the box body.
Each of the ON-OFF switch starting means 31, a stopping means 32 for stopping the operation, and a moisture setting grinder 33 for setting the finishing target moisture of the grain by a push button method for starting each operation of loading, drying and discharging. , A grain type setting knob 34 for setting the temperature of the hot air generated from the burner 3 according to the operation position,
A display unit 36 for digitally displaying various display items and a monitor display are provided.
【0017】制御装置37及びタイマ35は、運転操作
装置14内に設けられ、水分センサ2、張込量センサ8
a,8a,……及び熱風温センサ38等が検出する検出
値、各始動手段31、停止手段32及び各設定抓み3
3,34の操作等が入力され、これらの入力を算術論理
演算及び比較演算するCPU39等よりなり、このCP
U39で各モータ18,19,23,29,30、タイ
マ35、燃料バルブ及び燃料ポンプ20等を始動、停止
及び調節制御等を行う構成である。該各設定抓み33,
34はロータリースイッチ方式とし、操作位置によって
所定の数値及び種類等が設定される。The control device 37 and the timer 35 are provided in the operation device 14, and the moisture sensor 2 and the amount sensor 8 are attached.
a, 8a, ..., Detection values detected by the hot air temperature sensor 38, the starting means 31, the stopping means 32, and the setting knobs 3
Operations such as 3 and 34 are input, and the CPU 39 and the like perform arithmetic and logical operations and comparison operations on these inputs.
In U39, the motors 18, 19, 23, 29, 30, the timer 35, the fuel valve, the fuel pump 20, and the like are started, stopped, and adjusted and controlled. Each setting knob 33,
34 is a rotary switch system, and predetermined numerical values, types, etc. are set according to the operation position.
【0018】以下、上記実施例の作用について説明す
る。運転操作装置14の各設定抓み33,34を所定位
置へ操作し、乾燥作業を開始する始動手段31をON操
作することにより、穀粒乾燥機1が始動されて乾燥作業
がスタートされ(ステップ101)、設定した一定温
度、例えば40℃の乾燥熱風温度がバーナ3から発生し
て定温度乾燥が開始され(ステップ102)、この乾燥
熱風は、送風室10から各穀粒乾燥室8,8を通過して
各排風室9,9及び排風路室16を経て排風機15で機
外へ吸引排風される。The operation of the above embodiment will be described below. By operating the setting scoops 33 and 34 of the operation device 14 to predetermined positions and turning on the starting means 31 for starting the drying operation, the grain dryer 1 is started and the drying operation is started (step 101), a set constant temperature, for example, a dry hot air temperature of 40 ° C. is generated from the burner 3 to start constant temperature drying (step 102), and the dry hot air is blown from the blower chamber 10 to the grain drying chambers 8 and 8 respectively. After passing through the exhaust air chambers 9 and 9 and the exhaust air passage chamber 16, the exhaust air is exhausted to the outside by the exhaust fan 15.
【0019】穀粒貯留室7内へ収容された穀粒は、この
貯留室7から各乾燥室8,8内を流下中に、一定温度の
乾燥熱風に晒されて乾燥され、各繰出バルブ11,11
で繰出されて流下して集穀樋12から供給樋28を経て
昇穀機25内へ下部の移送螺旋で移送供給され、バケッ
トコンベア26で上部へ搬送され、投出筒27から移送
樋5を経て拡散盤24上へ上部の移送螺旋で移送供給さ
れ、この拡散盤24で該貯留室7内へ均等に拡散還元さ
れて循環乾燥される。The grains stored in the grain storage chamber 7 are dried by being exposed to dry hot air at a constant temperature while flowing down from the storage chamber 7 into the drying chambers 8, 8. , 11
Is fed and flowed down from the grain collecting gutter 12 through the supply gutter 28 to the inside of the grain raising machine 25 by the lower transfer spiral, and is conveyed to the upper portion by the bucket conveyor 26, and the transfer gutter 5 is transferred from the throw-out cylinder 27. After that, it is transferred and supplied by the upper transfer spiral onto the diffusion plate 24, and is uniformly diffused and reduced into the storage chamber 7 by the diffusion plate 24 and circulated and dried.
【0020】この循環乾燥中の穀粒水分は、水分センサ
2で測定が開始され(ステップ103)、一定温度の乾
燥熱風による熱風乾燥経過時間が設定した所定時間以上
であるか検出され(ステップ104)、YESであると
該水分センサ2で検出した穀粒水分のばらつきが設定し
た所定値以下であるか検出され(ステップ105)、Y
ESであると各張込量センサ8a,8a,……が検出し
た張込穀粒量の読み込みが開始され(ステップ10
6)、検出張込穀粒量に対応する乾燥熱風温度が選択さ
れ(ステップ107)、乾燥熱風温度が決定されて設定
され(ステップ108)、この設定の乾燥熱風温度で穀
粒は乾燥制御され(ステップ109)、該水分センサ2
で検出した穀粒水分は、水分設定抓み33の操作で設定
した仕上目標水分以下であるか検出され(ステップ11
0)、NOと検出されると穀粒の乾燥が継続され(ステ
ップ111)、ステップ110へ戻る。YESであると
穀粒の乾燥が終了したとして、乾燥機1は制御装置37
で自動停止されて、穀粒の乾燥が停止される(ステップ
112)。The moisture content of the grain during the circulation drying is measured by the moisture sensor 2 (step 103), and it is detected whether the hot air drying elapsed time by the dry hot air at a constant temperature is equal to or longer than the set time (step 104). ), If YES, it is detected whether the variation of the grain moisture detected by the moisture sensor 2 is less than or equal to a set predetermined value (step 105), and Y
If it is ES, the reading of the amount of the stuck grain detected by each of the stuck amount sensors 8a, 8a, ... Is started (step 10).
6), the dry hot air temperature corresponding to the detected amount of grain is selected (step 107), the dry hot air temperature is determined and set (step 108), and the dry hot air temperature of this setting controls the drying of the grain. (Step 109), the moisture sensor 2
It is detected whether or not the grain moisture detected in step 3 is less than or equal to the finishing target moisture set by the operation of the moisture setting knob 33 (step 11).
0), if NO is detected, the drying of the grain is continued (step 111) and the process returns to step 110. If YES, it is determined that the drying of the grain has ended, and the dryer 1 controls the controller 37.
Then, the grain is automatically stopped and the drying of the grain is stopped (step 112).
【0021】ステップ104でNOであると穀粒の乾燥
が継続され(ステップ113)、水分センサ2で検出し
た穀粒水分は、水分設定抓み33の操作で設定した仕上
目標水分以下であるか検出され(ステップ114)、N
Oであるとステップ104へ戻る。YESであると穀粒
の乾燥が終了したとして、乾燥機1は制御装置37で自
動停止されて、穀粒の乾燥が停止される(ステップ11
5)。If the answer in step 104 is NO, the drying of the grain is continued (step 113), and the grain moisture detected by the moisture sensor 2 is equal to or lower than the finish target moisture set by the operation of the moisture setting scoop 33. Detected (step 114), N
If it is O, the process returns to step 104. If YES, it is determined that the drying of the grain has been completed, the dryer 1 is automatically stopped by the control device 37, and the drying of the grain is stopped (step 11).
5).
【0022】ステップ105でNOであると穀粒の乾燥
が継続され(ステップ116)、水分センサ2で検出し
た穀粒水分は、水分設定抓み33の操作で設定した仕上
目標水分以下であるか検出され(ステップ117)、N
Oであるとステップ105へ戻る。YESであると穀粒
の乾燥が終了したとして、乾燥機1は制御装置37で自
動停止されて、穀粒の乾燥が停止される(ステップ11
8)。If NO in step 105, the drying of the grain is continued (step 116), and whether the grain moisture detected by the moisture sensor 2 is equal to or lower than the finishing target moisture set by the operation of the moisture setting knob 33. Detected (step 117), N
If it is O, the process returns to step 105. If YES, it is determined that the drying of the grain has been completed, the dryer 1 is automatically stopped by the control device 37, and the drying of the grain is stopped (step 11).
8).
【0023】図8は他の作用のフローチャートであり、
図8のフローチャートの如く穀粒を乾燥制御させてもよ
い。乾燥機1が始動されて乾燥作業がスタートされ(ス
テップ201)、設定した一定温度、例えば40℃の乾
燥熱風温度がバーナ3から発生して定温度乾燥が開始さ
れ(ステップ202)、この乾燥熱風は、送風室10か
ら各乾燥室8,8を通過して各排風室9,9及び排風路
室16を経て排風機15で機外へ吸引排風される。FIG. 8 is a flowchart of another operation,
The grain may be dried and controlled as shown in the flowchart of FIG. The dryer 1 is started to start the drying operation (step 201), a set hot temperature, for example, a hot dry air temperature of 40 ° C. is generated from the burner 3 and constant temperature drying is started (step 202). The air is sucked and discharged from the blower chamber 10 through the drying chambers 8, 8 through the exhaust chambers 9, 9 and the exhaust passage chamber 16 to the outside by the exhaust fan 15.
【0024】貯留室7内へ収容された穀粒は、この貯留
室7から各乾燥室8,8内を流下中に、一定温度の乾燥
熱風に晒されて乾燥され、各繰出バルブ11,11で繰
出し流下して集穀樋12から供給樋28を経て昇穀機2
5内へ下部の移送螺旋で移送供給され、バケットコンベ
ア26で上部へ搬送され、投出筒27から移送樋5を経
て拡散盤24上へ上部の移送螺旋で移送供給され、この
拡散盤24で該貯留室7内へ均等に拡散還元されて循環
乾燥される。The grains contained in the storage chamber 7 are dried by being exposed to dry hot air having a constant temperature while flowing down from the storage chamber 7 into the drying chambers 8 and 8. And then flow down to the grain collecting trough 12 and then through the supply trough 28 to the grain raising machine 2
5 is transferred and supplied by the lower transfer spiral to the inside of the container 5, is conveyed to the upper part by the bucket conveyor 26, and is transferred and supplied by the upper transfer spiral from the ejection cylinder 27 to the diffusion plate 24 through the transfer gutter 5 by the diffusion plate 24. It is uniformly diffused and reduced into the storage chamber 7 and circulated and dried.
【0025】この循環乾燥中の穀粒水分は、水分センサ
2で測定が開始され(ステップ203)、所定粒数、例
えば32粒の穀粒水分の測定時間がα(4分以下)以下
であるか検出され(ステップ204)、YESであると
各張込量センサ8a,8a,……が検出した張込穀粒量
の読み込みが開始され(ステップ205)、検出した張
込穀粒量に対応する乾燥熱風温度が選定され(ステップ
206)、乾燥熱風温度が決定されて設定され(ステッ
プ207)、この設定された乾燥熱風温度で穀粒は乾燥
制御され(ステップ208)、該水分センサ2で検出し
た穀粒水分は、水分設定抓み33の操作で設定した仕上
目標水分以下であるか検出され(ステップ209)、N
Oであると穀粒の乾燥が継続され(ステップ210)、
ステップ209へ戻る。YESであると乾燥が終了した
として、乾燥機1は制御装置37で自動停止されて、穀
粒の乾燥が停止される(ステップ211)。The moisture content of the grain during the circulation drying is measured by the moisture sensor 2 (step 203), and the measurement time of the grain moisture of a predetermined number, for example 32 grains, is α (4 minutes or less) or less. Is detected (step 204), and if YES, the reading of the amount of grain infiltration detected by each amount sensor 8 a, 8 a, ... Is started (step 205), and it corresponds to the amount of grain infiltration detected. The drying hot air temperature to be selected is selected (step 206), the drying hot air temperature is determined and set (step 207), the grain is dried and controlled by the set dry hot air temperature (step 208), and the moisture sensor 2 is used. It is detected whether or not the detected grain moisture is equal to or lower than the finishing target moisture set by the operation of the moisture setting knob 33 (step 209), and N
If it is O, the drying of the grain is continued (step 210),
Return to step 209. If YES, it is determined that the drying is completed, and the dryer 1 is automatically stopped by the control device 37 to stop the drying of the grain (step 211).
【0026】ステップ204でNOであると穀粒の乾燥
が継続され(ステップ212)、水分センサ2で検出し
た穀粒水分は、水分設定抓み33の操作で設定した仕上
目標水分以下であるか検出され(ステップ213)、N
Oであるとステップ204へ戻る。YESであると穀粒
の乾燥が終了したとして、乾燥機1は制御装置37で自
動停止されて、穀粒の乾燥が停止される(ステップ21
4)。If NO in step 204, drying of the grain is continued (step 212), and is the grain moisture detected by the moisture sensor 2 equal to or lower than the finishing target moisture set by the operation of the moisture setting knob 33? Detected (step 213), N
If it is O, the process returns to step 204. If YES, it is determined that the drying of the grain has been completed, and the dryer 1 is automatically stopped by the control device 37 to stop the drying of the grain (step 21).
4).
【0027】上記によって、穀粒の乾燥開始から所定時
間経過後で、拡散状態も均等になった時点で張込量を検
出させることにより、正確な張込量が検出でき、又読み
込みも所定時間後のため読み取りが容易である。According to the above, after the lapse of a predetermined time from the start of drying of the grain, the amount of the swelling can be detected when the diffusion state becomes even, so that the accurate amount of the squeeze can be detected and the reading can be performed for the predetermined time. Easy to read because it is later.
図は、この発明の一実施例を示すものである。 The figure shows an embodiment of the present invention.
【図1】フローチャートFIG. 1 Flow chart
【図2】穀粒乾燥機の一部破断せる全体側面図[Fig. 2] Side view of the grain dryer that can be partially broken
【図3】図2のA−A拡大断面図3 is an enlarged sectional view taken along line AA of FIG.
【図4】張込穀粒量検出装置の拡大正断面の一部の分割
図FIG. 4 is a partial divisional view of an enlarged front cross section of the stuck grain amount detecting device.
【図5】操作装置の一部破断せる拡大正面図FIG. 5 is an enlarged front view in which a part of the operating device is broken.
【図6】水分センサの一部の拡大側面斜視図FIG. 6 is an enlarged side perspective view of a part of the moisture sensor.
【図7】ブロック図FIG. 7 is a block diagram.
【図8】他の作用を示す図で、フローチャートFIG. 8 is a flow chart showing another operation.
2 水分センサ 3 バーナ 7 穀粒貯留室 8 穀粒乾燥室 8a 張込量センサ 37 制御装置 2 Moisture sensor 3 Burner 7 Grain storage chamber 8 Grain drying chamber 8a Overhang sensor 37 Control device
Claims (1)
室8へ穀粒を繰出し流下させて循環させながら、バーナ
3から発生する熱風と外気風とが混合した乾燥熱風を該
乾燥室8へ通風して熱風乾燥すべく設け、該貯留室7内
には下部より順次張込穀粒でON−OFFする張込量セ
ンサ8a,8a,……を上下方向に所定間隔で複数個設
けて張込穀粒量を検出すると共に、循環乾燥中の穀粒水
分を検出する水分センサ2を設けた穀粒乾燥機におい
て、乾燥開始のときは該乾燥熱風温度を一定温度に設定
して穀粒を乾燥させ、乾燥開始から所定時間経過後、及
び該水分センサ2が検出する穀粒水分のばらつきが所定
値以下になったときは該張込量センサ8a,8a,……
が検出する張込穀粒量に対応する該乾燥熱風温度に設定
して穀粒を乾燥する制御装置37を設けたことを特徴と
する穀粒乾燥機の乾燥制御装置。1. Dry hot air in which hot air generated from the burner 3 and outside air are mixed while feeding and circulating the grains from the upper grain storage chamber 7 to the lower grain drying chamber 8 A plurality of swelling amount sensors 8a, 8a, ... Which are provided to ventilate the chamber 8 to dry with hot air and which are sequentially turned on and off by the spilled grains from the bottom in the storage chamber 7 are vertically arranged at predetermined intervals. In the grain dryer provided with the moisture sensor 2 for detecting the amount of grain overwhelmed and for detecting grain moisture during circulation drying, the drying hot air temperature is set to a constant temperature at the start of drying. The grain amount is dried, and after a lapse of a predetermined time from the start of drying, and when the variation in the moisture content of the grain detected by the moisture sensor 2 becomes a predetermined value or less, the amount sensors 8a, 8a, ...
A drying control device for a grain dryer, comprising a control device 37 for drying the grain by setting the drying hot air temperature corresponding to the amount of the stuck grain detected by.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3055794A JPH07239183A (en) | 1994-02-28 | 1994-02-28 | Drying control device of grain drier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3055794A JPH07239183A (en) | 1994-02-28 | 1994-02-28 | Drying control device of grain drier |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH07239183A true JPH07239183A (en) | 1995-09-12 |
Family
ID=12307113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3055794A Pending JPH07239183A (en) | 1994-02-28 | 1994-02-28 | Drying control device of grain drier |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH07239183A (en) |
-
1994
- 1994-02-28 JP JP3055794A patent/JPH07239183A/en active Pending
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