JPS5940214A - Automatic span adjusting method in combination measuring apparatus - Google Patents

Automatic span adjusting method in combination measuring apparatus

Info

Publication number
JPS5940214A
JPS5940214A JP15203082A JP15203082A JPS5940214A JP S5940214 A JPS5940214 A JP S5940214A JP 15203082 A JP15203082 A JP 15203082A JP 15203082 A JP15203082 A JP 15203082A JP S5940214 A JPS5940214 A JP S5940214A
Authority
JP
Japan
Prior art keywords
combination
span adjustment
weighing device
weighed
automatic span
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
Application number
JP15203082A
Other languages
Japanese (ja)
Inventor
Kinichi Matsuura
松浦　欽一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teraoka Seiko Co Ltd
Original Assignee
Teraoka Seiko Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Teraoka Seiko Co Ltd filed Critical Teraoka Seiko Co Ltd
Priority to JP15203082A priority Critical patent/JPS5940214A/en
Priority to US06/528,270 priority patent/US4565254A/en
Publication of JPS5940214A publication Critical patent/JPS5940214A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G23/00—Auxiliary devices for weighing apparatus
    • G01G23/01—Testing or calibrating of weighing apparatus
    • G01G23/012—Testing or calibrating of weighing apparatus with load cells comprising in-build calibration weights
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/387—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for combinatorial weighing, i.e. selecting a combination of articles whose total weight or number is closest to a desired value
    • G01G19/393—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for combinatorial weighing, i.e. selecting a combination of articles whose total weight or number is closest to a desired value using two or more weighing units
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G23/00—Auxiliary devices for weighing apparatus
    • G01G23/14—Devices for determining tare weight or for cancelling out the tare by zeroising, e.g. mechanically operated
    • G01G23/16—Devices for determining tare weight or for cancelling out the tare by zeroising, e.g. mechanically operated electrically or magnetically operated
    • G01G23/163—Devices for determining tare weight or for cancelling out the tare by zeroising, e.g. mechanically operated electrically or magnetically operated involving digital counting

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)

Abstract

PURPOSE:To improve availability factor of a measuring apparatus, by performing automatic span adjustment at a suitable time, when a material to be measured in a measuring hopper, which is selected for combination, is discharged, and finishing the span adjustment in a short time without an operator. CONSTITUTION:The combination processes of a measuring apparatus are performed as follows: (a) a pool hopper 3 is opened and closed, and a material to be measured is put in a measuring hopper 2; (b) the material to be measured is computed by a load cell 1, and the computed value is inputted to a central processing unit CPU; (c) the weights of the material to be measured are combined and operated in the central processing unit CPU, and the combination of specified weights or the weights closest to the specified weights is selected; and (d) the measuring hopper 2, which is selected for said combination, is opened and closed. In the present invention, the span adjustment is automatically performed in said process (d), and the span adjustment can be finished in a short time without an operator. Therefore, the availability factor of the measuring apparatus can be improved.

Description

【発明の詳細な説明】 不発＃Ｊｉｌｉ組合せ計量装置におけるスパン調整方法
の改良に関する。DETAILED DESCRIPTION OF THE INVENTION This invention relates to an improvement in a span adjustment method in a misfired #Jili combination weighing device.

所謂組合せ計量装置を第１図によシ説明すれば、機枠ψ
）に四−ドセル（１）を突設し計量ホッパー（２）及び
受皿（４）を設けると共に、受皿（４）の上方には基準
分銅（５）を吊持し、数分＃ｉ　（５）にソレノイド（
６）を連係させて基準分ｉｌｌ　（５）が受皿（４）上
に載承離脱自在になるように構成する。図中（３）はプ
ールホッパーであ）、被計量物を貯溜して計量ホッパー
（２）が空になった時被計量物を供給する０以上のよう
なユニットを複数並設してなる。If we explain the so-called combination weighing device with reference to Fig. 1, the machine frame ψ
) is provided with a protruding four-cell (1), a weighing hopper (2) and a saucer (4), and a reference weight (5) is suspended above the saucer (4). ) to the solenoid (
6) are linked so that the reference portion ill (5) can be placed on and removed from the tray (4). (3) in the figure is a pool hopper), which is made up of a plurality of units such as 0 or more arranged in parallel to store objects to be weighed and supply the objects to be weighed when the weighing hopper (2) is empty.

上記レード七ル（１）の出力は増幅回路及びＡ／Ｄ変換
器を介して中央処理装置（ＣＰＵ）に入力され、中央処
理装［（ＣＰＵ）にて組合せを選択し計量ホッパー（２
）を開動するようになる（第２図）。The output of the above-mentioned Rade 7 Lu (1) is input to the central processing unit (CPU) via the amplifier circuit and A/D converter, and the combination is selected by the central processing unit (CPU) and the weighing hopper (2
) begins to open (Figure 2).

該増幅回路には０点調整ボリウム及びスパン調整ボリウ
ムが設けられる。The amplifier circuit is provided with a zero point adjustment volume and a span adjustment volume.

上記組合せ計量装置における従来のスパン調整方法を説
明する。A conventional span adjustment method in the above combination weighing device will be explained.

（１）計量ホッパー（２）を開放して空にする。(1) Open and empty the weighing hopper (2).

（２）０点調整ボリウムを回して０点調整する。(2) Adjust the 0 point by turning the 0 point adjustment volume.

（３）　　ツレ／イド〈６）をＯＮして基準分銅（４）
を載承する。(3) Turn on the tension/id (6) and use the reference weight (4)
is accepted.

（４）スパン調整ボリウムを回してスパン調整する。(4) Adjust the span by turning the span adjustment volume.

（５）　　ソレノイド（６）をＯＦＦ　して基準分銅（
４）を離脱する。(5) Turn off the solenoid (6) and set the reference weight (
4) Leave.

上記操作は何れも人手を要するめんどうなものであると
共に、時間がかかるので組合せ計量装置の稼動率が低下
する不具合があった。又、計量ホッパーを開放した時に
排出された被計量物を戻さなくてはならなかった。All of the above-mentioned operations are troublesome and require manual labor, and are also time-consuming, resulting in a problem that the operating rate of the combination weighing device is reduced. Furthermore, it was necessary to return the objects to be weighed that were discharged when the weighing hopper was opened.

本発明は上記従来事情に鑑みてなされたものでその目的
とする処は、スパン調整を自動化して人手を省き且つ短
時間でできるようにして組合せ計量装置の稼動率を高め
ると共に、該組合せ計量装置の稼動時の計量ホッパーが
空になるタイミングの時にスパン調整するようにして被
計量物を戻すととが無いようにすることにある。The present invention has been made in view of the above-mentioned conventional circumstances, and has the object of automating span adjustment to save manpower and shorten the time, thereby increasing the operating rate of a combination weighing device, and The purpose is to adjust the span at the timing when a weighing hopper is empty during operation of the device so that there is no sharpness when the object to be weighed is returned.

斯る本発明の組合せ計量装置における自動スパン調整方
法は組合せ計量装置で組合せに選択された計量ホッパー
内の被計量物が排出された時、適時に自動スパン調整を
行なうことを特徴とする。The automatic span adjustment method for a combination weighing device according to the present invention is characterized in that automatic span adjustment is carried out in a timely manner when objects to be weighed in weighing hoppers selected for combination in the combination weighing device are discharged.

本発明実施のスパン調整方法は第１図の組合せ計量装置
を第８図に示す工程で管理するもので、先ず組合せ計量
装置の組合せ工程を説明する。The span adjustment method according to the present invention involves managing the combination weighing device shown in FIG. 1 through the steps shown in FIG. 8. First, the steps for assembling the combination weighing device will be explained.

（＆）　　プールホッパー（３）を開閉して計量ホッパ
ー（２）に被計量物を収納する。(&) Open and close the pool hopper (3) to store the object to be weighed in the weighing hopper (2).

（ｂ）　　被計量物を四−ドセル（１）にて計量し、計
量値を中央処理装置（ＣＰＵ）に入力する。(b) Weigh the object to be weighed using the quad cell (1) and input the weighed value to the central processing unit (CPU).

（Ｃ）中央処理装ｆ（ＣＰＵ）では被計量物の重量を組
合せ演算し、所定の重量Ｘ線それに最も近い重量の組合
せを選択する。(C) The central processing unit f (CPU) calculates combinations of weights of objects to be weighed, and selects the combination of weights closest to a predetermined weight X-ray.

（勾　上記組合せに選択された計量ホッパー（２）を開
閉する。(Gradient) Open and close the weighing hopper (2) selected for the above combination.

（−）　　上記工程を繰返えすか、スパン調整を行なう
か、スパン調整条件を判定して決める。繰返えしＱ時ｉ
ｉ、（＆）工程に至る。(-) Determine whether to repeat the above process or perform span adjustment by determining the span adjustment conditions. repeated Q time i
i, (&) process.

本発明のスパン調整方法は上記（ｄ）工程により計量ホ
ッパー（２）が空になったタイミングでスパン調整を行
なうようにし九ことを特徴とし、このスパン調整時機を
決めるスパン調整条件の実施例を述べる。The span adjustment method of the present invention is characterized in that the span adjustment is performed at the timing when the weighing hopper (2) becomes empty in the above step (d). state

（１）スパン調整用のキースイッチを設け、例えば咳ス
パン調整キーを上記（＆）〜（ｄ）工程中にＯＮにする
と、（ｄ）工程を終了後（ｅ）工程でプールホッパー（
３）を開かずにスパン調整を行なう。(1) A key switch for span adjustment is provided, and if, for example, the cough span adjustment key is turned on during the steps (&) to (d) above, the pool hopper (
3) Perform span adjustment without opening.

（２）中央処理装置（ＣＰＵ）にタイマーを連係し、該
タイマーのタイムアツプ稜の最初の（−）工程において
スパン調整用行なう。(2) A timer is linked to the central processing unit (CPU), and span adjustment is performed at the first (-) step of the time-up edge of the timer.

（３）ｐ−ド七ル（１）又は計量ホッパー（２）などに
カウンターを設け、予め設定した計量回数に至った後の
最初の０工程においてスパン調整を行なう。(3) A counter is provided in the p-doctor (1) or the weighing hopper (2), and the span is adjusted in the first 0 step after reaching a preset number of measurements.

即ち、上記したスパン調整条件を第１図に示す５− 如く、中央処理装［（ＣＰＵ）Ｋ連係させてスパン調整
条件を満たし丸かを判定する亀のである。That is, as shown in FIG. 1, the above-mentioned span adjustment conditions are coordinated with the central processing unit (CPU) to satisfy the span adjustment conditions and determine whether the span adjustment conditions are round or not.

尚、本発明はスパン調整時機が上記（ａ）工程の後であ
ればよく、そのスパン調整条件拡上記実施例に限定され
ない、例えば温度センサーなどを設は気温の変化にてス
パン調整時機を決めるようにしてもよい。Incidentally, the span adjustment timing of the present invention may be performed as long as the span adjustment timing is after the above step (a), and the span adjustment conditions are not limited to the above embodiments. For example, a temperature sensor may be installed to determine the span adjustment timing based on changes in temperature. You can do it like this.

次にスパン調整工程について述べる。Next, the span adjustment process will be described.

（ｆ）第２図中００点調整ボリウムにパルスモータ−等
を設け、誼パルスモータ−を駆動してＡ／Ｄ変換器の出
力がメモリーに記憶した０点基準値と一致するようにし
て０点調整を行なう。(f) A pulse motor or the like is installed on the 00 point adjustment volume in Figure 2, and the pulse motor is driven so that the output of the A/D converter matches the 0 point reference value stored in the memory. Perform point adjustment.

（ｇ）　　上記０点調整稜、ソレノイド（６）をＯＮに
し、基準分銅（５）を受皿０）上に載承する。(g) Turn on the solenoid (6) on the zero point adjustment edge and place the reference weight (5) on the saucer (0).

（ロ）第２図中のスパン調整ボリウムにパルスモータ−
等を設け、該パルスモータ−を駆動してＡ／Ｄ変換機の
出力がメモリーに記憶したスパン調整基準値に一致する
ようにしてスパン調整する。(b) A pulse motor is attached to the span adjustment volume in Figure 2.
etc., and drive the pulse motor to adjust the span so that the output of the A/D converter matches the span adjustment reference value stored in the memory.

（１）スパン調整の終了と共にソレノイと（６）をＯＦ
Ｆ６− にして基準分銅（５）を離脱して（−）工程に至る。(1) Turn off the solenoid and (6) at the end of span adjustment.
Set F6- to remove the reference weight (5) and proceed to the (-) step.

尚、スパン調整はスパンポリウムを設けた上記実施例に
限らない。スパン調整の別の例を次に述べる。Incidentally, the span adjustment is not limited to the above-mentioned embodiment in which a span polyurethane is provided. Another example of span adjustment will be described next.

β：無負荷時のＡ／Ｄ変換器の出力 Ｘ０：基準分１１（５）の負 Ｙｏ’ロードセル（１）のＸ０負荷時の出力αニスパン
調整の為の定数 とすれば、Ｘ０社既知の値であ）予め中央処理装置（Ｃ
ＰＵ）に記憶しておく。計量ホッパー（２）が空の時β
を検出し、基準分＃！　（５）を載承した時Ｙ０を検出
し中央処理装［（ＣＰＵ）に入力し、にてαを算出する
。そしてとのαを記憶してスパン調整を行なう。即ち、 Ｘ：被計量物の重量 ｙ：ｐ−ドセルのＸ負荷時の出力 Ｘ＝　日 にてＸを正確に算出することができる。β: Output of the A/D converter at no load value) in advance in the central processing unit (C
PU). When weighing hopper (2) is empty, β
Detect and reference minute #! When (5) is installed, Y0 is detected and input to the central processing unit (CPU), where α is calculated. Then, α is memorized and span adjustment is performed. That is, X: Weight of the object to be weighed y: Output X of the p-docell under X load = X can be calculated accurately.

尚、スパン調整された計量機構については該計量機構の
番号を記憶しておいて、スパン調整のされていない計量
機構の計量ホッパーが空になった時、優先的にスパン調
整を行なうようにして全計量機構を満遍無くスパン調整
することができる。For the weighing mechanism with span adjustment, remember the number of the weighing mechanism, so that when the weighing hopper of the weighing mechanism without span adjustment becomes empty, span adjustment will be performed preferentially. The span of all measuring mechanisms can be adjusted evenly.

又、上記方法を用いて複数台のＲ計量機構を一度にスパ
ン調整するようにすればよシ能率的である。Further, it is more efficient to adjust the spans of a plurality of R metering mechanisms at once using the above method.

本発明は以上のように組合せ計量装置で組合せに選択さ
れた計量ホッパー内の被計量物が排出された時、適時に
自動スパン調整を行なう組合せ計量装置における自動ス
パン調整方法に構成したので、スパン調整が人手を要さ
ずに短時間ですみ、計量装置の稼動率を向上させること
ができる。As described above, the present invention is configured as an automatic span adjustment method in a combination weighing device, which performs automatic span adjustment in a timely manner when the objects to be weighed in the weighing hoppers selected for combination in the combination weighing device are discharged. Adjustments can be made in a short time without requiring human labor, and the operating rate of the weighing device can be improved.

従って高精度、高信頼性を維持できると共に、計量ホッ
パー内の被計量物を排出し九タイミングでスパン調整す
るので被計量物を計量ホッパーなどに戻さずにすむ。Therefore, high precision and high reliability can be maintained, and since the objects to be weighed in the weighing hopper are discharged and span adjustment is performed at nine timings, there is no need to return the objects to be weighed to the weighing hopper.

依って所期の目的を達する。Thus, the desired goal is achieved.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は組合せ計量装置の要部を示す正面図、第２図は
計量機構のブロック図、第８図は本発明自動スパン調整
方法の工程図、第４図は同説明図でおる。 尚、図中 （１）・−ロードセル　　　　（２）・・・計量ホッパ
ー（３）・・・プールホッパー　　（４）−・受　皿（
５）・・・基準分子ｉｉｌ　　　　　　（６）−・・ソ
レノイドでおる。 特許出願人　　　株式会社　寺　岡　精　玉代　理　人
　　　早　　　川　　　政　　　名代理人　早　川　　
　潔 ９− 手続補正書 昭和５７年１０月　１日 １、事件の表示 昭和５７年特許願第１５２０３０号 ２、発明の名称 組合せ計量装置における自動スパン調整方法３、補正を
する者 事件との関係　　　　　　特　許　出　願　人氏名（名
称）　株式会社寺岡精工 ４、代理人 住　所　　東京都文京区白山５丁目１４番７号明細店の
浄書（内容に変更なし）を別紙の通り提出する。 ６１−FIG. 1 is a front view showing the main parts of the combination weighing device, FIG. 2 is a block diagram of the weighing mechanism, FIG. 8 is a process diagram of the automatic span adjustment method of the present invention, and FIG. 4 is an explanatory diagram thereof. In addition, in the figure (1) - load cell (2)... weighing hopper (3)... pool hopper (4) - saucer (
5)...Reference molecule Iil (6)--Solenoid. Patent applicant Sei Teraoka Co., Ltd. Masato Tamayo Masana Hayakawa Agent Hayakawa
Kiyoshi 9 - Procedural amendment October 1, 1981 1, Indication of the case 1982 Patent Application No. 152030 2, Name of the invention Automatic span adjustment method in a combination measuring device 3, Person making the amendment Relationship with the case Special Applicant's name: Teraoka Seiko Co., Ltd. 4, agent address: 5-14-7 Hakusan, Bunkyo-ku, Tokyo A copy of the engraving (with no changes to the contents) will be submitted as attached. 61-

Claims (4)

【特許請求の範囲】[Claims] （１）　　組合せ計量装置で組合せに選択された計量ホ
ッパー内の被計量物が排出された時、適時に自動スパン
調整を行なう組合せ計量装置における自動スパン調整方
法。(1) An automatic span adjustment method in a combination weighing device that performs automatic span adjustment in a timely manner when the objects to be weighed in the weighing hopper selected for combination in the combination weighing device are discharged. （２）キー人力で自動スパン調整指令を発した後、組合
せ計量装置て組合せに選択された計量ホッパー内の被計
量物が排出された時自動スパン調整を行なう特許請求の
範囲第１項記載の組合せ計量装置における自動スパン調
整方法。(2) After an automatic span adjustment command is issued manually by a key, the combination weighing device performs automatic span adjustment when the objects to be weighed in the weighing hoppers selected for the combination are discharged. Automatic span adjustment method in combination weighing device. （３）組合せ計量装置の制御部にタイマーを設は該タイ
マーのタイムアツプ後、組合せ計量装置で組合せに選択
された計量ホッパー内の被計量物が排出された時自動ス
パン調整を行なう特許請求の範囲第１項記載の組合せ計
量装置における自動スパン調整方法。 １−(3) A timer is provided in the control unit of the combination weighing device, and after the timer times up, automatic span adjustment is performed when the object to be weighed in the weighing hopper selected for combination in the combination weighing device is discharged. An automatic span adjustment method in the combination weighing device according to item 1. 1- （４）　　組合せ計量装置の各計量機構にカウンターを
設は該カウンターのカウントアウト後、組合せ計量装置
で組合せに選択された計量ホッパー内の被計量物が排出
された時自動スパン調整を行なう特許請求の範囲第１項
記載の組合せ計量装置における自動スパン調整方法。(4) A patent claim in which a counter is provided in each weighing mechanism of a combination weighing device, and after the counter counts out, automatic span adjustment is performed when the object to be weighed in the weighing hopper selected for combination in the combination weighing device is discharged. The automatic span adjustment method in the combination measuring device according to item 1.
JP15203082A 1982-08-31 1982-08-31 Automatic span adjusting method in combination measuring apparatus Pending JPS5940214A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP15203082A JPS5940214A (en) 1982-08-31 1982-08-31 Automatic span adjusting method in combination measuring apparatus
US06/528,270 US4565254A (en) 1982-08-31 1983-08-31 Measuring apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15203082A JPS5940214A (en) 1982-08-31 1982-08-31 Automatic span adjusting method in combination measuring apparatus

Publications (1)

Publication Number Publication Date
JPS5940214A true JPS5940214A (en) 1984-03-05

Family

ID=15531522

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15203082A Pending JPS5940214A (en) 1982-08-31 1982-08-31 Automatic span adjusting method in combination measuring apparatus

Country Status (1)

Country Link
JP (1) JPS5940214A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62202043A (en) * 1986-03-03 1987-09-05 Agency Of Ind Science & Technol Sliding contact point material for vacuum device
JPS6383242A (en) * 1986-09-25 1988-04-13 Nok Corp Arc-resistant conductive material
EP0284753A2 (en) * 1984-10-26 1988-10-05 Ishida Scales Mfg. Co., Ltd. Span adjustment unit for weighing device
US5925372A (en) * 1987-12-16 1999-07-20 Novartis Corporation Mixed solvent mutually enhanced transdermal therapeutic system
WO2014031045A1 (en) * 2012-08-23 2014-02-27 Sca Hygiene Products Ab Fill level monitoring system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5753627A (en) * 1980-09-17 1982-03-30 Ishida Scales Mfg Co Ltd Zero-point adjusting method of combinational metering device or combinational counting device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5753627A (en) * 1980-09-17 1982-03-30 Ishida Scales Mfg Co Ltd Zero-point adjusting method of combinational metering device or combinational counting device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0284753A2 (en) * 1984-10-26 1988-10-05 Ishida Scales Mfg. Co., Ltd. Span adjustment unit for weighing device
EP0284753A3 (en) * 1984-10-26 1990-04-25 Ishida Scales Mfg. Co., Ltd. Span adjustment unit for weighing device
JPS62202043A (en) * 1986-03-03 1987-09-05 Agency Of Ind Science & Technol Sliding contact point material for vacuum device
JPH0225420B2 (en) * 1986-03-03 1990-06-04 Kogyo Gijutsuin
JPS6383242A (en) * 1986-09-25 1988-04-13 Nok Corp Arc-resistant conductive material
US5925372A (en) * 1987-12-16 1999-07-20 Novartis Corporation Mixed solvent mutually enhanced transdermal therapeutic system
WO2014031045A1 (en) * 2012-08-23 2014-02-27 Sca Hygiene Products Ab Fill level monitoring system

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