JP3021790B2 - Quantitative setting device - Google Patents
Quantitative setting deviceInfo
- Publication number
- JP3021790B2 JP3021790B2 JP3151980A JP15198091A JP3021790B2 JP 3021790 B2 JP3021790 B2 JP 3021790B2 JP 3151980 A JP3151980 A JP 3151980A JP 15198091 A JP15198091 A JP 15198091A JP 3021790 B2 JP3021790 B2 JP 3021790B2
- Authority
- JP
- Japan
- Prior art keywords
- amount
- weighing value
- container
- weighing
- signal
- 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 - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Feedback Control In General (AREA)
- Flow Control (AREA)
- Control Of Non-Electrical Variables (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明は、容器に原材料(流体,
粉体等)を設定された定量だけ導入するための定量設定
装置に関し、さらに詳しくは、容器に導入された原材料
の量(重量等)を検出する量計測手段からの信号をもと
に、設定された定量値となるようにバルブを閉じる定量
設定処理を正確に行えるようにした定量設定装置に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention
More specifically, it relates to a quantitative setting device for introducing only a set amount of powder (such as powder). More specifically, the setting is performed based on a signal from an amount measuring means for detecting an amount (weight, etc.) of the raw material introduced into the container. The present invention relates to a quantitative setting device capable of accurately performing a quantitative setting process of closing a valve so as to obtain a determined quantitative value.
【0002】[0002]
【従来の技術】図4は、この種の定量設定装置の一例を
示す構成概念図である。図において、1は容器、2は原
材料を容器1に導入する管路で、ここでは一つの管路を
示すが、複数の原材料を導入する場合は複数個用意され
る。3は原材料を導入する管路2の途中に設けられ、原
材料の容器への導入を制御するバルブ、4は管路2を通
過する原材料の流量を測定する流量検出手段、5は流量
検出手段からの流量信号を積算演算して容器1に導入さ
れた原材料の量を求め、この積算演算値があらかじめ設
定した定量値に達したときバルブ3を閉じるように制御
する定量設定計器である。2. Description of the Related Art FIG. 4 is a conceptual diagram showing an example of this type of quantitative setting apparatus. In the drawing, reference numeral 1 denotes a container, and 2 denotes a conduit for introducing raw materials into the container 1. Although one conduit is shown here, a plurality of raw materials are prepared when plural raw materials are introduced. Reference numeral 3 denotes a valve provided in the middle of the conduit 2 for introducing the raw material, and a valve for controlling the introduction of the raw material into the container. Reference numeral 4 denotes a flow detecting means for measuring a flow rate of the raw material passing through the conduit 2. Reference numeral 5 denotes a flow detecting means. This is a quantitative setting instrument which calculates the amount of raw material introduced into the container 1 by integrating the flow rate signals of the above and calculates the amount of the raw material introduced into the container 1, and controls the valve 3 to be closed when the integrated calculated value reaches a preset quantitative value.
【0003】[0003]
【発明が解決しようとする課題】この様な構成の従来の
定量設定装置は、定量設定計器5に印加される信号が流
量検出手段からの信号を想定したものであって、容器1
に導入された原材料の量を直接計量するロードセルのよ
うな量計測センサからの信号を想定したものではなかっ
た。ロードセルのような量計測センサからの信号を入力
して、定量設定処理を行おうとする場合、量計測センサ
から出力される可能性のある衝撃などによる外乱信号
や、計量値が突出するなどの異常信号が出力されるの
で、これらの外乱等に対してその影響を受けないように
するための対策を行わないと実用化することができな
い。本発明は、この様な点に鑑みてなされたもので、容
器に導入された原材料の量(重量等)を計量する量計測
手段を用いると共に、この量計測手段からその測定信号
が読込み可能(外乱などの影響を受けていない信号)
か、読込み不可能か(外乱などの影響を受けている信
号)を示す信号を出力するようにし、読込み不可能の状
態が続いても正確な定量設定処理が行える定量設定装置
を提供することを目的とする。In the conventional quantitative setting device having such a configuration, the signal applied to the quantitative setting instrument 5 assumes the signal from the flow rate detecting means, and the container 1
It did not assume a signal from a quantity measuring sensor such as a load cell that directly measures the quantity of raw materials introduced into the apparatus. When performing quantitative setting processing by inputting a signal from a quantity measurement sensor such as a load cell, an abnormality such as a disturbance signal due to an impact that may be output from the quantity measurement sensor or an overhang of the weighing value Since a signal is output, it cannot be put to practical use unless measures are taken to prevent the influence of these disturbances and the like. The present invention has been made in view of such a point, and uses an amount measuring means for measuring an amount (weight or the like) of a raw material introduced into a container, and a measurement signal can be read from the amount measuring means ( Signal not affected by disturbances)
Or a signal indicating whether the reading is impossible (a signal affected by disturbance or the like) is output, and a quantitative setting device capable of performing an accurate quantitative setting process even if the reading impossible state continues. Aim.
【0004】[0004]
【課題を解決するための手段】この様な目的を達成する
本発明は、あらかじめ容器に導入すべき材料の量(バッ
チ量)が設定されていて、計量データとの偏差に応じて
容器への導入量を制御する定量設定計器を備えた装置で
あって、容器に導入された材料の量を検出すると共に、
当該信号の読込み可/不可の信号を出力する量計測手段
と、読込み可/不可信号が読込み可を示す場合、前回計
量値と今回計量値との変化量を演算する変化量演算手段
と、読込み可/不可信号が読込み不可を示す場合、前回
計量値と変化量演算手段で得られた前回変化量とから現
在の計量値を予測する計量値予測手段と、量計測手段か
らの計量値または計量値予測手段からの計量値に基づい
て容器への原材料の導入を制御すると共に、量計測手段
からの計量値または計量値予測手段からの計量値に基づ
いて計算された容器への導入量がバッチ量に達していな
い場合であって、次回の測定スキャンまでに容器への導
入量がバッチ量に達しないと判断される場合、バッチ量
に達するまでの時間を演算する時間計算手段を含み、こ
の時間計算手段で計算された時間に基づいて、容器に導
入する材料の供給停止を制御する定量設定処理手段とを
設けたことを特徴とする定量設定装置ものである。According to the present invention for achieving the above object, the amount (batch amount) of the material to be introduced into the container is set in advance, and the amount of the material to be supplied to the container is set according to the deviation from the weighing data. A device equipped with a quantitative setting instrument for controlling the amount of introduction, while detecting the amount of material introduced into the container,
An amount measuring means for outputting a signal indicating whether or not the signal can be read, a change amount calculating means for calculating a change amount between the previous weighing value and the current weighing value when the read enable / disable signal indicates that the signal is readable; When the enable / disable signal indicates that reading is impossible, the weighing value predicting means for predicting the current weighing value from the previous weighing value and the previous change amount obtained by the change amount calculating means, and the weighing value or weighing value from the weighing means. Controlling the introduction of raw materials into the container based on the weighed value from the value predicting means,
Based on the weighing value from
The calculated amount introduced into the container has not reached the batch amount.
Transfer to the container before the next measurement scan.
If it is determined that the input volume does not reach the batch volume,
Time calculation means for calculating the time to reach
To the container based on the time calculated by the time calculation means
And a quantitative setting processing means for controlling a supply stop of the material to be supplied .
【0005】[0005]
【作用】定量設定処理手段は、量計測手段から出力され
る読込み可/不可信号が、読込み可を示すときは、量計
測手段から出力される計量値信号に基づいてそれが、バ
ッチ量に達するように通常の定量設定処理を行ってい
る。また、変化量演算手段は、前回計量値と今回計量値
とにより、計量値の変化量を演算している。計量値予測
手段は、量計測手段から出力される読込み可/不可信号
が読込み不可を示す場合、前回計量値と変化量演算手段
で得られた前回変化量とから現在の計量値を予測し、そ
れを定量設定処理手段に与る。このとき、定量設定処理
手段は、計量値予測手段からの計量値信号に基づいてそ
れが、バッチ量に達するように定量設定処理を行う。When the read enable / disable signal output from the quantity measuring means indicates that reading is possible, the quantitative setting processing means reaches the batch amount based on the weighing value signal output from the quantity measuring means. The normal quantitative setting process is performed as described above. Further, the change amount calculating means calculates a change amount of the measured value based on the previous measured value and the current measured value. The weighing value predicting unit predicts the current weighing value from the previous weighing value and the previous change amount obtained by the change amount calculating unit, when the read enable / disable signal output from the amount measuring unit indicates that reading is impossible, This is given to the quantitative setting processing means. At this time, the quantitative setting processing means performs quantitative setting processing based on the weighing value signal from the weighing value predicting means so that it reaches the batch amount.
【0006】[0006]
【実施例】以下、図面を用いて本発明の実施例を詳細に
説明する。図1は、本発明の一実施例を示す構成ブロッ
ク図である。図において、図4の装置の各部分と同じも
のには同一符号を付して示す。6は容器1に導入された
原材料の量を検出すると共に、その計量値が読込み可能
か/不可能かを示す信号を出力する量計測手段である。
この量計測手段6は、例えばロードセルが用いられてい
て、計量した値がBCDコード信号で出力されると共
に、そのBCDコードで表された計量値データが読込み
可/不可かを示す信号を同時に出力するように構成され
ている。定量設定計器5において、7は量計測手段6か
ら出力される読込み可/不可信号により駆動されるスイ
ッチ手段で、読込み可/不可信号が読込み可能を示すと
きだけ量計測手段6からの計量値データを採用し、不可
能を示すときはバイパス(排除)するように構成してあ
る。8はスイッチ手段7を介して印加される量計測手段
6からの計量値データを入力し、前回計量値と今回計量
値とからその変化量を演算する変化量演算手段である。
9はスイッチ手段7を介して印加される量計測手段6か
らの計量値データを入力する計量値予測手段で、量計測
手段6から出力される読込み可/不可信号が読込み不可
を示す場合、前回計量値と変化量演算手段8で演算され
た前回変化量とから現在の計量値を予測する演算を行う
ように構成してある。Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a configuration block diagram showing one embodiment of the present invention. In the figure, the same components as those of the device of FIG. 4 are denoted by the same reference numerals. Numeral 6 is an amount measuring means for detecting the amount of the raw material introduced into the container 1 and outputting a signal indicating whether the measured value is readable or not.
The quantity measuring means 6 uses, for example, a load cell, outputs the measured value as a BCD code signal, and simultaneously outputs a signal indicating whether the measured value data represented by the BCD code is readable / impossible. It is configured to be. In the quantitative setting meter 5, reference numeral 7 denotes switch means driven by a read enable / disable signal output from the quantity measuring means 6, and only when the read enable / disable signal indicates readable, is the weighing value data from the quantity measuring means 6. Is adopted to bypass (exclude) when it is impossible. Numeral 8 denotes a change amount calculating means for inputting the weighing value data from the amount measuring means 6 applied via the switch means 7 and calculating the change amount from the previous weighing value and the current weighing value.
Numeral 9 is a weighing value predicting means for inputting weighing value data from the amount measuring means 6 applied via the switch means 7, and if the read enable / disable signal output from the amount measuring means 6 indicates that reading is impossible, The present embodiment is configured to perform a calculation for predicting the current weighed value from the weighed value and the previous change amount calculated by the change amount calculating means 8.
【0007】10は定量設定処理手段で、スイッチ手段
7を介して印加される量計測手段6から計量値データを
入力すると共に、計量値予測手段9で演算された予測さ
れた計量値データを入力している。この定量設定処理手
段10は、量計測手段6からの読込み可/不可信号が読
込み可能を示すときは量計測手段6からの計量値データ
に基づいて定量設定処理を行い、読込み不可能を示す場
合は、計量値予測手段9からの計量値データに基づいて
定量設定処理(容器への原材料の一定量の導入制御)を
行うように構成してある。12は容器1への導入量(バ
ッチ量)を設定する導入量設定手段である。定量設定処
理手段10において、11は時間計算手段で、量計測手
段6からの計量値データまたは計量値予測手段9からの
計量値データに基づいて計算された容器1への導入量が
バッチ量に達していない場合であって、次回の測定スキ
ャンまでに容器1への導入量がバッチ量に達すると判断
される場合、今回の測定スキャン時点からバッチ量に達
する時点までの時間を演算するようになっている。13
は時間計算手段11で計算された時間に基づいて駆動さ
れるタイマーで、バルブ駆動手段14を経てバルブ3を
閉じるように駆動する。Reference numeral 10 denotes quantitative setting processing means, which inputs weighing value data from the quantity measuring means 6 applied via the switch means 7 and inputs predicted weighing value data calculated by the weighing value predicting means 9. are doing. The quantitative setting processing means 10 performs quantitative setting processing based on the weighing value data from the quantity measuring means 6 when the read enable / disable signal from the quantity measuring means 6 indicates that the reading is possible, and indicates that the reading is impossible. Is configured to perform a quantitative setting process (control of introducing a fixed amount of raw materials into a container) based on the measured value data from the measured value predicting means 9. Reference numeral 12 denotes an introduction amount setting means for setting an introduction amount (batch amount) to the container 1. In the quantitative setting processing means 10, reference numeral 11 denotes time calculating means, and the amount introduced into the container 1 calculated based on the weighing data from the weighing means 6 or the weighing data from the weighing value predicting means 9 corresponds to the batch amount If it is not reached and it is determined that the amount introduced into the container 1 reaches the batch amount by the next measurement scan, the time from the time of the current measurement scan to the time when the batch amount is reached is calculated. Has become. 13
Is a timer which is driven based on the time calculated by the time calculating means 11 and drives the valve 3 through the valve driving means 14 to close it.
【0008】このように構成した装置の動作を、次に説
明する。図2は、動作の一例を示すフローチャート、図
3はタイムチャートである。はじめに、バルブ3は開に
駆動されていて、容器1には管路2を介して材料が導入
されている。これにより、容器1内に導入された材料の
量は、ほぼ直線的に増大している。容器へ導入された材
料の量(重量等)は、量計測手段6によって一定の測定
スキャン周期tで測定される。このとき、量測定手段6
からは図3の(b)に示すように、読込み可/不可を示
す信号が出力されている。定量設定計器5において、ス
イッチ手段7は、量計測手段6からの読込み可/不可信
号が、読込み可能を示している場合、量計測手段6から
出力された計量値データ(BCDコード信号)を採用
し、その計量値データを変化量演算手段8、計量値予測
手段9及び定量設定処理手段10に与える。読込み不可
を示している場合は、バイパスしてその計量値データを
不採用とする(ステップ1,2)。変化量演算手段8
は、スイッチ手段7により採用された今回の計量値デー
タPV1と前回の測定スキャンにおいて入力されている
計量値データPV2とを用い、その変化量ΔPV(=P
V2−PV1)を演算する(ステップ3)。定量設定処
理手段10は、採用された計量値データPV1を用い、
その計量値データが導入量設定値(バッチ量設定値)S
Vに達した時点で、バルブ駆動手段14を経てバルブ3
を閉じる制御信号MVを出力する。この様な一連の動作
は、一定周期で繰り返して行われる(ステップ4,
5)。[0008] The operation of the device configured as described above will now be described.
I will tell. FIG. 2 is a flowchart showing an example of the operation;
3 is a time chart. First, valve 3 is opened
Being driven, material is introduced into vessel 1 via line 2
Have been. Thereby, the material introduced into the container 1 is
The amount increases almost linearly. Materials introduced into the container
The amount (weight etc.) of the material is measured by the amount measuring means 6
It is measured at a scan cycle t. At this time, the quantity measuring means 6
Indicates that reading is possible / not possible, as shown in FIG.
Signal is output. In the quantitative setting instrument 5,
The switch means 7 reads / disables reading from the quantity measuring means 6.
If the number indicates that reading is possible,
Uses output weighing value data (BCD code signal)
Then, the measured value data is used to calculate the change amount
To the means 9 and the quantitative setting processing means 10. Unreadable
Indicates that the weighing data is bypassed.
Not adopted (steps 1 and 2). Change amount calculation means8
Is the current measured value data adopted by the switch means 7.
Input in the previous measurement scan with PV1
Using the weighing value data PV2, the change amount ΔPV (= P
V2-PV1) is calculated (step 3). Quantitative setting processing
The processing means 10 uses the adopted measurement value data PV1,
The weighing value data is the set amount of the introduced amount (set value of the batch amount) S
V, the valve 3 via the valve driving means 14
Is output. A series of such operations
Is repeatedly performed in a fixed cycle (Step 4,
5).
【0009】この様な一連の動作の中で、量計測手段6
からの読込み可/不可信号が、読込み不可能を示してい
る場合、計量値予測手段9は、前回の計量値データPV
2と、変化量演算手段8で演算された前回変化量ΔPV
とを用いて、今回の計量値データPV1pを演算によっ
て予測する(ステップ6)。 PV1p=PV2+ΔPV・n …(1) ただし、nは読込み可/不可信号が、読込み不可能を示
している時間Tno内での測定スキャン周期数 演算によって予測された今回の計量値データPV1p
は、定量設定処理手段10に印加され、定量設定処理手
段10はこの計量値データに基づいて、定量設定処理を
行う。すなわち、その計量値データがバッチ量に達して
いれば、バルブ3を閉じる制御信号を出力する。In such a series of operations, the quantity measuring means 6
If the read enable / disable signal indicates that the reading is impossible, the weighing value predicting means 9 outputs the previous weighing value data PV
2 and the previous change amount ΔPV calculated by the change amount calculating means 8
Is used to predict the current measurement value data PV1p by calculation (step 6). PV1p = PV2 + ΔPV · n (1) where n is the number of measurement scan cycles within the time Tno during which the read enable / disable signal indicates that the read is impossible, and the current weighing value data PV1p predicted by the calculation.
Is applied to the quantitative setting processing means 10, and the quantitative setting processing means 10 performs quantitative setting processing based on the measured value data. That is, if the measured value data has reached the batch amount, a control signal for closing the valve 3 is output.
【0010】ステップ4において、定量設定処理手段1
0が入力した計量値データ(量計測手段からの信号また
は計量値予測手段から信号)が導入量設定値(バッチ量
設定値)SVに達していない場合、定量設定処理手段1
0は次回の測定スキャンまでの間に、計量値データがバ
ッチ量SVに達するか判断する(ステップ7)。ここで
の判断は、例えば、計量値データPV1(またはPV1
p)とバッチ量SVとの偏差(SV−PV1)が、ΔP
Vより小さい場合にその様に判断される。計量値データ
がバッチ量SVに達すると判断されると、時間計算手段
11は、偏差(SV=PV1)とΔPVとの関係から、
バッチ量SVに達するまでの時間Tを演算し、その時間
をタイマー13にセットする。この時間Tは、例えば
(2)式により演算される。 T={(SV−PV1)/ΔPV}・t …(2) タイマー13は、それがセットされてからT時間経過す
ると、バルブ駆動手段14を経てバルブ3を閉じるよう
に制御する。In step 4, the quantitative setting processing means 1
If the input weighing value data (a signal from the quantity measuring means or a signal from the weighing value predicting means) does not reach the introduction quantity set value (batch quantity set value) SV, the quantitative setting processing means 1
0 determines whether the weighing value data reaches the batch amount SV until the next measurement scan (step 7). The determination here is, for example, the measurement value data PV1 (or PV1
p) and the batch amount SV (SV-PV1) is ΔP
If it is smaller than V, it is determined that way. When it is determined that the weighing value data reaches the batch amount SV, the time calculation means 11 calculates the relationship between the deviation (SV = PV1) and ΔPV,
The time T required to reach the batch amount SV is calculated, and the calculated time T is set in the timer 13. This time T is calculated by, for example, equation (2). T = {(SV-PV1) / ΔPV} · t (2) The timer 13 controls the valve 3 via the valve driving means 14 to close the valve 3 when the time T has elapsed since the timer was set.
【0011】ステップ7において、計量値データがバッ
チ量SVに達しないと判断された場合、定量設定処理手
段10は、計量値データPV1とバッチ量SVとの偏差
(SV−PV1)の大きさに応じて、バルブ3の開度を
演算し、それをバルブ駆動手段14に出力して、バルブ
3の開度を制御する。なお、図1の実施例では、計量手
段6から計量値データと、読込み可/不可信号とがそれ
ぞれ別の信号線を介して定量設定計器5に印加される場
合を示したが、読込み可/不可信号は、例えば計量値デ
ータの1ビットを用い、これらのデータと共に定量設定
計器5に印加させるように構成してもよい。また、図1
の実施例では、定量設定処理手段10内に時間計算手段
11を設け、図2のフローチャートで、ステップ8,9
を実行するようにしたが、測定スキャン周期が短くでき
るとか、あるいは、多少の誤差が許されるならばこれら
は省略してもよい。If it is determined in step 7 that the weighing value data does not reach the batch amount SV, the quantitative setting processing means 10 determines the deviation (SV-PV1) between the weighing value data PV1 and the batch amount SV. Accordingly, the opening degree of the valve 3 is calculated and output to the valve driving means 14 to control the opening degree of the valve 3. In the embodiment of FIG. 1, a case is shown in which the measurement value data and the read enable / disable signal are applied to the quantitative setting instrument 5 through separate signal lines from the measurement means 6, but the read enable / disable signal is applied. The unacceptable signal may be configured to use, for example, one bit of the weighing value data and to apply the data together with the data to the quantitative setting meter 5. FIG.
In the embodiment, the time calculating means 11 is provided in the quantitative setting processing means 10, and the steps 8 and 9 are performed in the flowchart of FIG.
Are executed, but these may be omitted if the measurement scan cycle can be shortened or if some error is allowed.
【0012】[0012]
【発明の効果】以上詳細に説明したように、本発明によ
れば、量計測手段6からの計量値データが、各種の外乱
信号などにより不採用になった場合でも、これらに何等
影響されず、正確な定量設定制御が行える装置が実現で
きる。As described in detail above, according to the present invention, even if the weighing data from the quantity measuring means 6 is rejected due to various disturbance signals or the like, it is not affected at all. A device capable of performing accurate quantitative setting control can be realized.
【図面の簡単な説明】[Brief description of the drawings]
【図1】本発明の一実施例の構成ブロック図である。FIG. 1 is a configuration block diagram of an embodiment of the present invention.
【図2】動作の一例を示すフローチャートである。FIG. 2 is a flowchart illustrating an example of an operation.
【図3】動作の一例を示すタイムチャートである。FIG. 3 is a time chart illustrating an example of an operation.
【図4】従来の定量設定装置の一例を示す構成概念図で
ある。FIG. 4 is a conceptual diagram illustrating an example of a conventional quantitative setting device.
1 容器 2 管路 3 バルブ 5 定量設定計器 6 量計測手段 7 スイッチ手段 8 変化量演算手段 9 計量値予測手段 10 定量設定処理手段 11 時間計算手段 12 導入量設定手段 13 タイマー 14 バルブ駆動手段 DESCRIPTION OF SYMBOLS 1 Container 2 Pipeline 3 Valve 5 Quantitative setting meter 6 Quantity measuring means 7 Switch means 8 Change amount calculating means 9 Weighing value predicting means 10 Quantitative setting processing means 11 Time calculating means 12 Introducing amount setting means 13 Timer 14 Valve driving means
Claims (1)
ッチ量)が設定されていて、計量データとの偏差に応じ
て容器への導入量を制御する定量設定計器を備えた装置
であって、 容器に導入された材料の量を検出すると共に、当該信号
の読込み可/不可の信号を出力する量計測手段と、 読込み可/不可信号が読込み可を示す場合、前回計量値
と今回計量値との変化量を演算する変化量演算手段と、 読込み可/不可信号が読込み不可を示す場合、前回計量
値と変化量演算手段で得られた前回変化量とから現在の
計量値を予測する計量値予測手段と、 量計測手段からの計量値または計量値予測手段からの計
量値に基づいて容器への原材料の導入を制御すると共
に、量計測手段からの計量値または計量値予測手段から
の計量値に基づいて計算された容器への導入量がバッチ
量に達していない場合であって、次回の測定スキャンま
でに容器への導入量がバッチ量に達しないと判断される
場合、バッチ量に達するまでの時間を演算する時間計算
手段を含み、この時間計算手段で計算された時間に基づ
いて、容器に導入する材料の供給停止を制御する定量設
定処理手段とを設けたことを特徴とする定量設定装置。An apparatus having a fixed quantity setting instrument in which an amount (batch amount) of a material to be introduced into a container is set in advance and the amount introduced into the container is controlled according to a deviation from weighing data. An amount measuring means for detecting the amount of the material introduced into the container and outputting a signal indicating whether or not the signal can be read; and when the read / not possible signal indicates that the signal can be read, the previous weighing value and the current weighing value. A change amount calculating means for calculating a change amount between the weighing value and a weighing value for predicting a current weighing value from the previous weighing value and the previous change amount obtained by the change amount calculating means when the read enable / disable signal indicates that reading is impossible. value prediction means, controlling the introduction of the raw materials to the container based on the metric values from the metric or metric value prediction unit from the quantity measuring means co
The weighing value from the quantity measurement means or the weighing value prediction means
Batch quantity calculated based on the weight of
Volume has not been reached and the next measurement scan
It is determined that the amount introduced into the container does not reach the batch amount
Calculate the time to reach the batch volume
Means based on the time calculated by the time calculating means.
And a quantitative setting processing means for controlling a supply stop of the material to be introduced into the container .
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3151980A JP3021790B2 (en) | 1991-06-24 | 1991-06-24 | Quantitative setting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3151980A JP3021790B2 (en) | 1991-06-24 | 1991-06-24 | Quantitative setting device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH052430A JPH052430A (en) | 1993-01-08 |
JP3021790B2 true JP3021790B2 (en) | 2000-03-15 |
Family
ID=15530431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3151980A Expired - Fee Related JP3021790B2 (en) | 1991-06-24 | 1991-06-24 | Quantitative setting device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3021790B2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0674229U (en) * | 1993-03-30 | 1994-10-21 | 天龍製鋸株式会社 | Rotary saw |
JP5968684B2 (en) * | 2012-05-29 | 2016-08-10 | 株式会社日立製作所 | Powder dispensing device |
-
1991
- 1991-06-24 JP JP3151980A patent/JP3021790B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH052430A (en) | 1993-01-08 |
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