JPS621218B2 - - Google Patents
Info
- Publication number
- JPS621218B2 JPS621218B2 JP54000879A JP87979A JPS621218B2 JP S621218 B2 JPS621218 B2 JP S621218B2 JP 54000879 A JP54000879 A JP 54000879A JP 87979 A JP87979 A JP 87979A JP S621218 B2 JPS621218 B2 JP S621218B2
- Authority
- JP
- Japan
- Prior art keywords
- grain
- moisture
- measurement chamber
- sensor
- machine frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000005259 measurement Methods 0.000 claims description 28
- 238000003756 stirring Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 230000000737 periodic effect Effects 0.000 claims 1
- 238000007599 discharging Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
Description
【発明の詳細な説明】
産業上の利用分野
この発明は穀粒乾燥機とか穀粒調湿機等の穀粒
タンクに装備する穀粒水分検出装置に関する。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to a grain moisture detection device installed in a grain tank such as a grain dryer or grain humidifier.
従来技術
従来の静電容量によつて穀粒水分を計測する水
分計では陽極と陰極を内蔵する計測室内の穀粒密
度が穀粒の形状・粒面の粗度等によつて著しく異
なるために水分値に大きな誤差を生じ、実施化が
困難であり、特に連続的に給穀する場合には全然
計測不可能である。Conventional technology In conventional moisture meters that measure grain moisture using capacitance, the grain density inside the measurement chamber containing the anode and cathode varies significantly depending on the shape of the grain, the roughness of the grain surface, etc. It causes a large error in the moisture value and is difficult to implement, especially when grain is fed continuously, making it impossible to measure at all.
発明が解決しようとする問題点
穀粒タンク内の穀粒水分をタンクの稼動中に連
続して計測でき、しかも、そのときどきの穀粒密
度にかかわらず、正確な水分値を得られる検出装
置の提供を課題とする。Problems to be Solved by the Invention A detection device that can continuously measure grain moisture in a grain tank while the tank is in operation and obtain accurate moisture values regardless of grain density at any given time. The challenge is to provide
問題を解決するための手段
湿度計を配置した計測室へ連続的にサンプル穀
粒を送り込み、また、周期的に排出する機構と、
計測室が満たされている間にサンプル穀粒の湿度
と重量を検出する機構および重量と計測室容量
（一定）とから穀粒の密度を算出して、これをも
とに前記の湿度を補正し、水分計に穀粒水分とし
て表示する手段を備え、この一連の作動をタイマ
ー回路で周期的に制御させる。Means to solve the problem A mechanism that continuously feeds sample grains into a measurement chamber where a hygrometer is installed and periodically discharges the grains,
A mechanism that detects the humidity and weight of the sample grain while the measurement chamber is filled, and calculates the density of the grain from the weight and measurement chamber capacity (constant), and corrects the humidity based on this. The moisture meter is equipped with means for displaying grain moisture, and this series of operations is periodically controlled by a timer circuit.
作 用
撹拌転子により穀粒タンク内からサンプル穀粒
が周期的に採り出され、送穀螺条で計測室に充填
される。送穀螺条は計測室上辺の穀粒を均らして
計測室内のサンプル穀粒の嵩を一定にする。この
状態でサンプル穀粒の重量と湿度が検出される。
検出された湿度は補正回路で検出された重量と計
測室の容量から割出された密度との関係で修正さ
れ、修正値が穀粒水分として表示される。Operation Sample grains are periodically taken out from the grain tank by the stirring trochanter and filled into the measurement chamber by the grain feeding screw. The grain feeding screw evens out the grains on the upper side of the measurement chamber to keep the volume of the sample grains in the measurement chamber constant. In this state, the weight and humidity of the sample grains are detected.
The detected humidity is corrected based on the relationship between the weight detected by the correction circuit and the density determined from the capacity of the measurement chamber, and the corrected value is displayed as grain moisture.
実施例
図において、機枠３には撹拌転子２と送穀螺条
１２が軸架され、撹拌転子２は機枠からの突出端
が、穀粒乾燥機とか穀粒調湿機等の穀粒タンクの
側壁に設けた取出口に突入している。なお、この
実施例では撹拌転子２に多孔壁筒１が装備され
て、給穀口４と排穀口５を設けた前処理機構６を
構成している。送穀螺条１２は水平に軸架され、
その端末部は解放されて過剰穀粒を計測室１０の
周側壁１３から溢流放出するようになつている。Example In the figure, a stirring trochanter 2 and a grain feeding screw 12 are mounted on a machine frame 3, and the end of the stirring trochanter 2 protruding from the machine frame is connected to a grain dryer, a grain humidifier, etc. It is inserted into the outlet provided on the side wall of the grain tank. In this embodiment, the stirring trochanter 2 is equipped with a porous wall tube 1 to constitute a pretreatment mechanism 6 provided with a grain feeding port 4 and a grain discharging port 5. The grain feeding screw 12 is horizontally mounted,
Its end portion is opened to allow excess grain to overflow from the circumferential wall 13 of the measuring chamber 10.
そして、この水平に配置された送穀螺条に上辺
の開口部を沿わせて陽極７と陰極８から成る水分
センサー９を内蔵した容器状の計測室１０が配置
されている。計測室１０は図のように、機枠３か
らばね１９で吊持されている。符号２０は機枠３
と計測室１０の相対移動に関する信号を発する重
量センサーである。なお、機枠に対し、計測室は
スプリングに限らず、弾性的に吊持されておれば
よい。また、符号１１は、送穀螺条１２と計測室
１０を隔絶する板体に設けた給穀口である。計測
室１０の下部排穀口１４には開閉弁１５を設けソ
レノイド１６によつて開閉するようになつてい
る。 A container-shaped measurement chamber 10 containing a moisture sensor 9 consisting of an anode 7 and a cathode 8 is arranged with an opening on the upper side along the horizontally arranged grain feeding screw. As shown in the figure, the measurement chamber 10 is suspended from the machine frame 3 by a spring 19. Code 20 is machine frame 3
This is a weight sensor that emits a signal regarding the relative movement of the measurement chamber 10 and the measurement chamber 10. Note that the measurement chamber is not limited to a spring, and may be suspended elastically from the machine frame. Moreover, the code|symbol 11 is a grain feeding opening provided in the plate which isolate|separates the grain feeding screw 12 and the measurement chamber 10. An on-off valve 15 is provided at the lower grain threshing port 14 of the measurement chamber 10, and is opened and closed by a solenoid 16.
機枠側に取付ける水分計１７は、補正回路１８
とタイマー回路２１を備え、水分センサー９の検
出回路２３と重量センサー２０は補正回路１８に
接続され、タイマー回路２１は撹拌転子２と送穀
螺条１２を駆動する電動機２２および開閉弁１５
を開閉するソレノイド１６に接続している。開閉
弁１５はソレノイド１６に通電しないとき発条２
４によつて排穀口１４を閉じている。 The moisture meter 17 installed on the machine frame side has a correction circuit 18.
The detection circuit 23 of the moisture sensor 9 and the weight sensor 20 are connected to the correction circuit 18.
It is connected to a solenoid 16 that opens and closes. The on-off valve 15 is activated 2 when the solenoid 16 is not energized.
4 closes the grain discharging port 14.
タイマー回路２１は第３図に示すように、（T1
＝１，T2＝０）を周期としたマルチバイブレー
ターから成るセルフタイマー２１の出力側端子を
２方向に分岐し、その一方端子をインバーター２
５とリレーR1を介して前処理行程(6)の電動機２
２に連結すると共に、その他方端子をリレーR2
を介して開閉弁１５のソレノイド１６に連結して
ある。 As shown in FIG. 3, the timer circuit 21 (T 1
= 1, T 2 = 0), the output side terminal of the self-timer 21 consisting of a multivibrator is branched into two directions, and one terminal is connected to the inverter 2.
5 and the electric motor 2 of the pretreatment process (6) via relay R1 .
2 and connect the other terminal to relay R 2
It is connected to the solenoid 16 of the on-off valve 15 via.
また、第４図に示すように水分センサー９にお
ける水分値の検出回路２３と、ばね１９を用いた
重量センサー２０とを補正回路１８の入力側両端
子にそれぞれ連結すると共に、その出力側端子を
水分計１７に連結し、また前記インバーター２５
から分岐した出力信号により水分計１７が補正し
た水分値を表示するように形成してある。 Further, as shown in FIG. 4, a moisture value detection circuit 23 in the moisture sensor 9 and a weight sensor 20 using a spring 19 are connected to both input terminals of the correction circuit 18, and the output terminal thereof is connected to both input terminals of the correction circuit 18. It is connected to the moisture meter 17 and also connected to the inverter 25.
The moisture meter 17 is configured to display the corrected moisture value using an output signal branched from the moisture meter 17.
補正回路１８は、計測室１０の容量（一定）
と、水分センサーによる穀粒水分値がサンプル穀
粒の密度によりどのような偏差を生じるかについ
ての偏差のリフアレンス値を記憶しており、重量
センサーの出力から穀粒密度を算出して対応する
リフアレンス値を得、これにより水分センサーか
らの出力値を修正して水分計に表示する手段を備
える。 The correction circuit 18 has a capacity (constant) of the measurement chamber 10.
It stores a reference value of the deviation of the grain moisture value measured by the moisture sensor depending on the density of the sample grain, and calculates the grain density from the output of the weight sensor and calculates the corresponding reference value. Means is provided for obtaining the value, thereby correcting the output value from the moisture sensor, and displaying the corrected value on the moisture meter.
作動について説明する。 The operation will be explained.
タイマー２１のT1信号では電動機２２が回転
して撹拌転子２が穀粒タンクからサンプル穀粒を
採り出す。サンプル穀粒はこの実施例では、多孔
壁１等の前処理機構６により粒面の異物が除去さ
れる。サンプル穀粒はついで送穀螺条１２により
給穀口１１から計測室１０内に充填される。計測
室１０が満杯となつた後は、送穀螺条１２は計測
室１０上辺の穀粒を均らし、計測室内の穀粒量を
一定とする。そして、余剰のサンプル穀粒は一側
に設けた排穀口から溢流放出され、再び穀粒タン
クに戻される。 At the T1 signal of the timer 21, the electric motor 22 rotates and the stirring rotor 2 extracts sample grain from the grain tank. In this embodiment, the sample grain is subjected to a pretreatment mechanism 6 such as a porous wall 1 to remove foreign substances from the grain surface. The sample grains are then filled into the measurement chamber 10 through the grain feeding port 11 by the grain feeding screw 12. After the measurement chamber 10 is full, the grain feeding screw 12 levels the grains on the upper side of the measurement chamber 10 to keep the amount of grains in the measurement chamber constant. Surplus sample grains are then discharged from the grain discharge port provided on one side and returned to the grain tank.
計測室１０内に穀粒が充満し定容積となつたと
ころでサンプル穀粒の湿度、重量が検出される。
水分センサー９、重量センサー２０の信号は補正
回路１８に伝達され、そこで水分センサー９から
の出力値が計測室１０内における穀粒の密度に応
じて修正され、水分計１７に表示される。 When the measurement chamber 10 is filled with grains and reaches a constant volume, the humidity and weight of the sample grains are detected.
The signals from the moisture sensor 9 and the weight sensor 20 are transmitted to the correction circuit 18, where the output value from the moisture sensor 9 is corrected according to the density of grains in the measuring chamber 10, and displayed on the moisture meter 17.
計測が終るとタイマー回路２１がソレノイド１
６に信号T2を発して電動機２２を停止し、開閉
弁１５を作動し排穀口１４を開き計測を終えた穀
粒を排出する。この作動をタイマー回路２１が発
するT1，T2信号毎に繰返す。 When the measurement is finished, the timer circuit 21 turns on the solenoid 1.
6, a signal T2 is issued to stop the electric motor 22, the on-off valve 15 is activated, the grain discharge port 14 is opened, and the grains that have been measured are discharged. This operation is repeated for each T 1 and T 2 signal issued by the timer circuit 21.
なお、電動機２２の回転を連続させて計測室１
０へ穀粒を常に溢流状に給穀しながら測定するこ
ともできる。 Note that the rotation of the electric motor 22 is continued to
It is also possible to measure the grains while constantly feeding them in an overflow manner.
効 果
このように本発明は静電容量によつて水分を計
測する計測室内の穀粒層の密度に順応して水分計
の値を補正し、常に正確な水分を計測できる上、
この計測を穀粒タンクから直接に、しかも、連続
してサンプル穀粒を採り出すことができ、穀粒タ
ンク内における現在の穀粒水分値をリアルタイム
で連続的にかつ、正確に知ることができる。Effects As described above, the present invention corrects the value of the moisture meter according to the density of the grain layer in the measurement chamber that measures moisture by capacitance, and can always accurately measure moisture.
This measurement can be performed directly and continuously by taking sample grains from the grain tank, allowing the current grain moisture value in the grain tank to be known continuously and accurately in real time. .
図面は本発明の実施例図であり、第１図は本装
置の側断面図、第２図はその立面図、第３図およ
び第４図はその電気回路図である。
１……多孔壁筒、２……撹拌転子、３……機
枠、４……給穀口、５……排穀口、６……前処理
機構、７……陽極、８……陰極、９……水分セン
サー、１０……計測室、１１……給穀口、１２…
…送穀螺錠、１３……周側壁、１４……下部排穀
口、１５……開閉弁、１６……ソレノイド、１７
……水分計、１８……補正回路、１９……ばね、
２０……重量センサー、２１……タイマー回路、
２２……電動機、２３……検出回路、２４……ば
ね、２５……インバーター。
The drawings show an embodiment of the present invention; FIG. 1 is a side sectional view of the device, FIG. 2 is an elevational view thereof, and FIGS. 3 and 4 are electrical circuit diagrams thereof. 1... Porous wall tube, 2... Stirring trochanter, 3... Machine frame, 4... Grain feeding port, 5... Grain discharging port, 6... Pretreatment mechanism, 7... Anode, 8... Cathode , 9...moisture sensor, 10...measuring room, 11...grain feeding port, 12...
... Grain feeding screw lock, 13 ... Circumferential wall, 14 ... Lower grain discharging port, 15 ... Opening/closing valve, 16 ... Solenoid, 17
... Moisture meter, 18 ... Correction circuit, 19 ... Spring,
20... Weight sensor, 21... Timer circuit,
22...Electric motor, 23...Detection circuit, 24...Spring, 25...Inverter.
Claims (1)
撹拌転子を機枠に軸架し、その下方に、容器状で
内部に水分センサーを、下部に開閉弁を持つ計測
室を機枠から弾性的に吊持し、機枠に対する計測
室の移動量を検出する重量センサーを配し、一
方、補正回路とタイマー回路および水分計を備
え、補正回路に水分センサーと重量センサーの出
力を接続し、補正回路には計測室容量と穀粒水分
値の密度に関する偏差のリフアレンス値をあらか
じめ記憶させておき、重量センサーの出力から穀
粒密度を算出して対応するリフアレンス値を得、
これにより水分センサーからの出力値を修正して
水分計に表示する手段を備え、さらに、前記のタ
イマー回路により、測定作動とその間閉じられる
開閉弁の周期作動が制御されることを特徴とした
穀粒水分検出装置。1. A stirring trochanter with its protruding end inserted into the outlet of the side wall of the grain tank is mounted on a shaft on the machine frame, and below it, a container-shaped measurement chamber with a moisture sensor inside and an on-off valve at the bottom is inserted from the machine frame. It is suspended elastically and is equipped with a weight sensor that detects the amount of movement of the measurement chamber relative to the machine frame.On the other hand, it is equipped with a correction circuit, a timer circuit, and a moisture meter, and the outputs of the moisture sensor and weight sensor are connected to the correction circuit. , the reference value of the deviation between the measurement chamber capacity and the density of the grain moisture value is stored in advance in the correction circuit, and the grain density is calculated from the output of the weight sensor to obtain the corresponding reference value.
This provides a means for correcting the output value from the moisture sensor and displaying it on the moisture meter, and furthermore, the timer circuit controls the measurement operation and the periodic operation of the on-off valve that is closed during that time. Grain moisture detection device.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP879A JPS54102450A (en) | 1978-01-02 | 1979-01-04 | Screw for rigging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5593052A JPS5593052A (en) | 1980-07-15 |
| JPS621218B2 true JPS621218B2 (en) | 1987-01-12 |
Family
ID=11462421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP87979A Granted JPS5593052A (en) | 1979-01-04 | 1979-01-05 | Automatic correction unit of grain moisture meter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5593052A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5737247A (en) * | 1980-08-19 | 1982-03-01 | Satake Eng Co Ltd | Water content measuring device for grain |
| JPS57169666A (en) * | 1981-04-11 | 1982-10-19 | Oumi Doriyoukou Kk | Measuring apparatus of moisture content of cereal |
| JPH0143639Y2 (en) * | 1981-05-27 | 1989-12-18 | ||
| CN110567836B (en) * | 2019-08-06 | 2022-07-26 | 河南中烟工业有限责任公司 | Method and system for rapidly checking and determining tobacco shred online moisture meter |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4121151A (en) * | 1977-04-27 | 1978-10-17 | Dickey-John Corporation | Analysis instrument |
| US4193116A (en) * | 1977-04-27 | 1980-03-11 | Dickey-John Corporation | Analysis instrument |
-
1979
- 1979-01-05 JP JP87979A patent/JPS5593052A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4121151A (en) * | 1977-04-27 | 1978-10-17 | Dickey-John Corporation | Analysis instrument |
| US4193116A (en) * | 1977-04-27 | 1980-03-11 | Dickey-John Corporation | Analysis instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5593052A (en) | 1980-07-15 |
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