JPH07140067A - Method and apparatus for measuring extent of cleaning of rice - Google Patents

Method and apparatus for measuring extent of cleaning of rice

Info

Publication number
JPH07140067A
JPH07140067A JP30871793A JP30871793A JPH07140067A JP H07140067 A JPH07140067 A JP H07140067A JP 30871793 A JP30871793 A JP 30871793A JP 30871793 A JP30871793 A JP 30871793A JP H07140067 A JPH07140067 A JP H07140067A
Authority
JP
Japan
Prior art keywords
light
grain
rice
amount
diffuse
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
JP30871793A
Other languages
Japanese (ja)
Inventor
Michio Kawanaka
道夫 川中
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.)
Shizuoka Seiki Co Ltd
Original Assignee
Shizuoka Seiki 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 Shizuoka Seiki Co Ltd filed Critical Shizuoka Seiki Co Ltd
Priority to JP30871793A priority Critical patent/JPH07140067A/en
Publication of JPH07140067A publication Critical patent/JPH07140067A/en
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

PURPOSE:To sustain high quality of cleaned rice while recognizing the fluctuation in the extent of cleaning and to facilitate the management of the operating state of a rice cleaning machine. CONSTITUTION:The apparatus for measuring the extent of cleaning of rice comprises means 14 for irradiating each grain of sample rice with light and detecting the quantity 24 of diffused/transmitted light and the quantity 26 of diffused/reflected light for each grain or the quantity of light of arbitrary wavelength in red region and the quantity of light of wavelength in green region in the diffused/reflected light for each grain, means 16 for operating the quantities of diffused/transmitted light and diffused/reflected light for each grain or the quantities of light of arbitrary wavelengths in red and green regions in the diffused/reflected light for each grain detected by the detecting means 14, and means 18 for determining the extent of cleaning of sample rice and its fluctuation based on an output signal from the operating means 16.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】この発明は米のとう精度測定装置
およびその方法に係り、特に移送される試料米の各一粒
毎に光を照射して光の状態を検出しこの検出値により各
一粒毎の状態を測定する米のとう精度測定装置およびそ
の方法に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for measuring the accuracy of rice boll and its method, and in particular, it irradiates each grain of sample rice to be irradiated with light to detect the light condition, The present invention relates to a rice boll accuracy measuring device and method for measuring the condition of each grain.

【0002】[0002]

【従来の技術】精米の品質要素のひとつである形質は主
としてとう精度や胚芽残存率で表示されるものである。
とう精度とは、一般的にぬか層の剥離の程度をいい、そ
の測定方法としては、標準品と試料米とを肉眼で対比す
る方法、ニューMG染色法、白度計によって測定する方
法等がある。
2. Description of the Related Art Traits, which are one of the quality factors of rice polishing, are mainly displayed by the accuracy of milling and the survival rate of germs.
The tortuosity generally refers to the degree of peeling of the bran layer, and its measurement methods include a method of visually comparing a standard product and sample rice, a new MG staining method, a method of measuring with a whiteness meter, and the like. is there.

【0003】また、連続式穀粒精白度測定装置として
は、特開昭58−77637号公報に開示される如く、
積分球を挟んで光源装置の反対側に試料流路を介して透
過光測定装置を設けるとともに積分球の他側に反射光測
定装置を設け、試料流路の上方には投入シャッタを介し
てフィーダの試料落下口を臨ませ、フィーダの上方には
レベル計を設けた投入タンクを位置させるとともに試料
流路の下方には排出シャッタを設け、レベル計、フィー
ダ、シャッタ及び排出シャッタとを関連させて設けたも
のがあった。
Further, as a continuous grain whitening degree measuring device, as disclosed in JP-A-58-77637,
A transmitted light measuring device is provided on the opposite side of the light source device via the sample flow path with the integrating sphere sandwiched between them, and a reflected light measuring device is provided on the other side of the integrating sphere, and a feeder is provided above the sample flow path via a closing shutter. Of the sample tank, the input tank with a level meter is located above the feeder, and the discharge shutter is located below the sample flow path, and the level meter, feeder, shutter, and discharge shutter are associated with each other. There was one provided.

【0004】更に、穀粒の品質判定装置としては、特開
昭63−132141号公報に開示される如く、試料の
測定作業が完了した際に試料の検出値の基準分布と測定
された試料の検出値の分布とを比較し測定された試料の
肌ずれ状態を判定すべく制御する制御部を設けたものが
あった。
Further, as a grain quality determination device, as disclosed in Japanese Patent Application Laid-Open No. 63-132141, the reference distribution of the detected value of the sample and the measured sample when the measurement work of the sample is completed. Some have provided a control unit for controlling to determine the skin shift state of the measured sample by comparing with the distribution of detected values.

【0005】更にまた、玄米の品質判定方法としては、
特公平3−60382号公報に開示される如く、試料玄
米の各玄米一粒毎に光を照射し拡散透過光量および拡散
反射光量と拡散反射光中任意の二波長の光量と玄米一粒
毎の二位置の透過光量とを夫々検知する段階と、拡散透
過光量および拡散反射光量の比と拡散反射光中任意の二
波長の光量の比と玄米一粒毎の二位置の透過光量の比と
を夫々演算する段階と、各玄米一粒毎の品質を分類すべ
く各光量の比を判定処理する段階とを有するものがあっ
た。
Furthermore, as a quality judging method of brown rice,
As disclosed in Japanese Examined Patent Publication No. 3-60382, each grain of brown rice in the sample brown rice is irradiated with light to diffuse and transmit light amount, diffuse reflection light amount, and light amount of arbitrary two wavelengths in diffuse reflection light and brown rice grain The step of detecting the amount of transmitted light at two positions, the ratio of the amount of diffuse transmitted light and the amount of diffuse reflected light, the ratio of the amount of light of any two wavelengths in the diffuse reflected light, and the ratio of the amount of transmitted light at two positions for each brown rice grain. Some have a step of calculating each and a step of judging the ratio of each light quantity to classify the quality of each brown rice grain.

【0006】[0006]

【発明が解決しようとする課題】ところで、従来のとう
精度の測定は、精米の品質を確保しつつ、とう精機の性
能が十分発揮されているかを監視するために行われてい
るものである。
By the way, the conventional measurement of the milling accuracy is performed in order to monitor whether the performance of the milling machine is sufficiently exerted while ensuring the quality of the milled rice.

【0007】通常、精米作業は、元の玄米の形を保ちな
がら玄米を精米していくものである。しかし、とう精機
の調整具合いや使用状態によっては一粒一粒の米のとう
精具合いにばらつきを生じることがある。
[0007] Normally, the rice polishing operation is to polish the brown rice while maintaining the original shape of the brown rice. However, the polishing condition of each grain may vary depending on the adjustment condition of the milling machine and the condition of use.

【0008】このとう精具合いのばらつきが大きい場合
には、平均的なとう精度を確保することはできても、精
米の品質が悪化してしまうことにより、とう精のばらつ
きを確認し、とう精機を正常な状態に維持、つまり、保
持・点検、調整する必要があった。
[0008] When the variation in the polishing quality is large, although the average precision of polishing can be secured, the quality of the milled rice is deteriorated, so that the variation of the polishing is confirmed and the polishing precision machine is confirmed. Had to be maintained in a normal state, that is, held, inspected and adjusted.

【0009】しかし、従来のとう精度の測定において
は、全体の玄米や精米から一定量のサンプルを抽出し、
このサンプルでとう精度を測定していた。
[0009] However, in the conventional measurement of the polishing accuracy, a certain amount of sample is extracted from the whole brown rice and polished rice,
This sample was used to measure the bending accuracy.

【0010】この結果、上記の如きとう精度の測定から
とう精度のばらつきを知るためには、とう精度の測定を
複数回行う必要があり、多大な労力と大なる測定時間を
要し、実用上不利であるという不都合があった。
As a result, in order to know the variation in the bending accuracy from the above-described measurement of the bending accuracy, it is necessary to perform the measurement of the bending accuracy a plurality of times, which requires a great deal of labor and a long measuring time, and is practically used. There was a disadvantage that it was a disadvantage.

【0011】[0011]

【課題を解決するための手段】そこで、この発明は、上
述不都合を除去するために、移送される試料米の各一粒
毎に光を照射して光の状態を検出しこの検出値により各
一粒毎の状態を測定する測定装置において、試料米の各
一粒毎に光を照射し一粒毎の拡散透過光量と拡散反射光
量とを検知する検知手段を設け、前記検知手段により検
知された一粒毎の拡散透過光量と拡散反射光量との値を
演算する演算手段を設け、前記演算手段の出力信号から
試料米のとう精度ととう精度のばらつきとを判定処理す
る処理手段を設けたことを特徴とする。
Therefore, according to the present invention, in order to eliminate the above-mentioned inconvenience, each grain of the sample rice to be transferred is irradiated with light to detect the state of light, and the detected value is used to detect each state. In a measuring device for measuring the state of each grain, a detecting means is provided for irradiating light to each grain of the sample rice and detecting the amount of diffuse transmitted light and the amount of diffuse reflected light of each grain, which is detected by the detecting means. Further, a calculation means for calculating the values of the diffuse transmitted light amount and the diffuse reflected light amount for each grain was provided, and a processing means for determining the milling accuracy of the sample rice and the dispersion of the milling accuracy from the output signal of the computing means was provided. It is characterized by

【0012】また、移送される試料米の各一粒毎に光を
照射して光の状態を検出しこの検出値により各一粒毎の
状態を測定する測定装置において、試料米の各一粒毎に
光を照射し一粒毎の拡散反射光中の任意の赤色領域波長
と緑色領域波長の光量とを検知する検知手段を設け、前
記検知手段により検知された一粒毎の拡散反射光中の任
意の赤色領域波長と緑色領域波長の光量との値を演算す
る演算手段を設け、前記演算手段の出力信号から試料米
のとう精度ととう精度のばらつきとを判定処理する処理
手段を設けたことを特徴とする。
Further, in a measuring device for irradiating light to each grain of sample rice to be transferred to detect the state of light and measuring the state of each grain by the detected value, each grain of sample rice is measured. Provided with detection means for irradiating light for each particle and detecting the amount of light of arbitrary red wavelength range and green area wavelength in diffuse reflection light for each grain, and for diffuse reflection light for each grain detected by the detection means A calculation means is provided for calculating the values of the light amounts of the red and green wavelengths, and a processing means is provided for determining the accuracy of the sample rice from the output signal of the calculation means and the variation in the accuracy of the measurement. It is characterized by

【0013】更に、移送される試料米の各一粒毎に光を
照射して光の状態を検出しこの検出値により各一粒毎の
状態を測定する測定方法において、試料米の各一粒毎に
光を照射し検知手段により一粒毎の拡散透過光量と拡散
反射光量または一粒毎の拡散反射光中の任意の赤色領域
波長と緑色領域波長の光量を検知する段階と、前記検知
手段により検知された一粒毎の拡散透過光量と拡散反射
光量との値または一粒毎の拡散反射光中の任意の赤色領
域波長と緑色領域波長の光量との値を演算手段に入力し
演算する段階と、前記演算手段の出力信号を処理手段に
入力しこの処理手段によって試料米のとう精度ととう精
度のばらつきとを判定処理する段階とを有することを特
徴とする。
Further, in the measuring method of irradiating light to each grain of the sample rice to be transferred to detect the state of light and measuring the state of each grain by the detected value, each grain of the sample rice is measured. Detecting the amount of diffuse transmitted light and the amount of diffuse reflected light of each grain or the amount of light of any red region wavelength and green region wavelength in the diffuse reflected light of each grain by detecting means by irradiating light for each grain; The value of the diffuse transmitted light amount and the diffuse reflected light amount of each particle detected by or the value of the light amount of an arbitrary red region wavelength and green region wavelength in the diffuse reflected light of each grain is input to the calculating means and calculated. And a step of inputting an output signal of the arithmetic means to a processing means and performing a determination process on the milling precision of the sample rice and the variation of the milling precision by this processing means.

【0014】[0014]

【作用】上述の如く発明したことにより、とう精度とと
う精度のばらつきとを判定する際には、試料米の各一粒
毎に光を照射し、検知手段によって一粒毎の拡散透過光
量と拡散反射光量とを検知し、検知手段により検知され
た一粒毎の拡散透過光量と拡散反射光量との値を演算手
段によって演算し、処理手段によって演算手段の出力信
号から試料米のとう精度ととう精度のばらつきとを判定
している。
According to the invention as described above, when determining the bouncing accuracy and the fluctuation of the bouncing accuracy, light is radiated to each grain of the sample rice, and the diffuse transmission light amount of each grain is detected by the detecting means. The amount of diffuse reflected light is detected, and the values of the amount of diffuse transmitted light and the amount of diffuse reflected light for each grain detected by the detecting unit are calculated by the calculating unit, and the processing unit calculates the accuracy of the sample rice from the output signal of the calculating unit. It is judged that there is a variation in the accuracy of the spinning.

【0015】また、とう精度ととう精度のばらつきとを
判定する際には、試料米の各一粒毎に光を照射し、検知
手段によって一粒毎の拡散反射光中の任意の赤色領域波
長と緑色領域波長の光量とを検知し、前記検知手段によ
り検知された一粒毎の拡散反射光中の任意の赤色領域波
長と緑色領域波長の光量との値を演算手段によって演算
し、処理手段によって演算手段の出力信号から試料米の
とう精度ととう精度のばらつきとを判定している。
Further, when determining the topping accuracy and the variation in toning accuracy, light is radiated to each grain of the sample rice, and the detection means selects an arbitrary red wavelength region in the diffuse reflection light of each grain. And the light amount of the green region wavelength are detected, and the value of the light amount of the arbitrary red region wavelength and the green region wavelength in the diffuse reflection light for each grain detected by the detecting unit is calculated by the calculating unit, and the processing unit According to the output signal of the calculation means, the precision of the sample rice and the variation of the precision are determined.

【0016】更に、試料米の各一粒毎に光を照射し、ま
ず、検知手段により一粒毎の拡散透過光量と拡散反射光
量または一粒毎の拡散反射光中の任意の赤色領域波長と
緑色領域波長の光量を検知し、次に検知手段により検知
された一粒毎の拡散透過光量と拡散反射光量との値また
は一粒毎の拡散反射光中の任意の赤色領域波長と緑色領
域波長の光量との値を演算手段に入力し演算し、そし
て、演算手段の出力信号を処理手段に入力し、この処理
手段によって試料米のとう精度ととう精度のばらつきと
を判定処理している。
Further, each grain of the sample rice is irradiated with light, and first, by the detecting means, the diffuse transmitted light amount and the diffuse reflected light amount of each grain or an arbitrary red region wavelength in the diffuse reflected light of each grain is measured. The value of the diffuse transmitted light amount and the diffuse reflected light amount of each grain detected by the detecting means and then the light amount of the green region wavelength, or any red region wavelength and green region wavelength in the diffuse reflected light of each grain The amount of light and the value are input to the calculation means, and the output signal of the calculation means is input to the processing means.

【0017】[0017]

【実施例】以下図面に基づいてこの発明の実施例を詳細
に説明する。
Embodiments of the present invention will be described in detail below with reference to the drawings.

【0018】図1〜図5はこの発明の第1実施例を示す
ものである。図2において、2はとう精度測定装置、4
は試料毎を一粒毎に所定に保持して移送する円板、6は
回転軸、8は試料米を矢印a方向に移送すべく円板4を
回転させるモータである。
1 to 5 show a first embodiment of the present invention. In FIG. 2, 2 is a precision measuring device, 4
Is a disk for holding and transferring each sample in a predetermined manner, 6 is a rotating shaft, and 8 is a motor for rotating the disk 4 to transfer the sample rice in the direction of arrow a.

【0019】前記とう精度測定装置2の円板4は、回転
軸6によってモータ8に接続されている。前記円板4の
周縁部位には、円周等間隔に試料米用孔部10が開設さ
れている。この試料米用孔部10は、供給される試料米
を一粒毎に保持するものである。
The disk 4 of the above-mentioned accuracy measuring device 2 is connected to a motor 8 by a rotary shaft 6. Holes 10 for sample rice are provided at equal intervals on the periphery of the disc 4. The sample rice hole 10 holds the supplied sample rice for each grain.

【0020】また、前記円板4の試料米用孔部10より
も内側部位には、検知時期を特定すべく試料米用孔部1
0の位置に対応させて前記タイミング孔部12が円周等
間隔に開設されている。
In addition, in the inside portion of the sample rice hole 10 of the disk 4, the sample rice hole 1 for identifying the detection time.
The timing hole portions 12 are opened at equal intervals around the circumference so as to correspond to the position 0.

【0021】更に、試料米の各一粒毎に光を照射し、一
粒毎の拡散透過光量と拡散反射光量とを検知する検知手
段14を設け、前記検知手段14により検知された一粒
毎の拡散透過光量(T)と拡散反射光量(R)との値、
例えば透過反射比(T/R)を演算する演算手段16を
設け、前記演算手段16の出力信号から試料米のとう精
度ととう精度のばらつきとを判定処理する処理手段18
を設ける構成としている。
Further, each grain of the sample rice is irradiated with light, and a detecting means 14 for detecting the amount of diffuse transmitted light and the amount of diffuse reflected light of each grain is provided, and each grain detected by the detecting means 14 is detected. Value of diffuse transmitted light amount (T) and diffuse reflected light amount (R) of
For example, a processing unit 18 for calculating a transmission / reflection ratio (T / R) is provided, and a processing unit 18 for determining the accuracy of the sample rice from the output signal of the operation unit 16 and the variation in the accuracy of the measurement.
Is provided.

【0022】詳述すれば、前記円板4近傍にヘッド20
を配設し、このヘッド20に前記検知手段14を配設し
ている。この検知手段14は、光源22と拡散透過光量
検知部24と拡散反射光量検知部26とを有しており、
この光源22から試料米、例えばとう精前の玄米の任意
の数について各一粒毎に光を照射し、とう精前の玄米の
一粒毎の拡散透過光量(T)を前記拡散透過光量検知部
24によって検知するとともに、とう精前の玄米の一粒
毎の拡散反射光量(R)を前記拡散反射光量検知部26
によって検知するものである。
More specifically, the head 20 is provided near the disk 4.
The head 20 is provided with the detecting means 14. The detection means 14 includes a light source 22, a diffuse transmitted light amount detection unit 24, and a diffuse reflected light amount detection unit 26,
Light is emitted from the light source 22 to each sample of arbitrary number of sample rice, for example, unpolished brown rice, and the diffuse transmitted light amount (T) of each grain of unpolished unpolished rice is detected as the diffuse transmitted light amount. The amount of diffuse reflection light (R) for each grain of brown rice before the milling is detected by the unit 24 and the amount of diffuse reflection light detector 26
Is detected by.

【0023】また、前記検知手段14は、試料米、例え
ばとう精後の精米の任意の数について各一粒毎に光を照
射し、とう精後の精米の一粒毎の拡散透過光量(T)を
前記拡散透過光量検知部24によって検知するととも
に、とう精後の精米の一粒毎の拡散反射光量(R)を前
記拡散反射光量検知部26によって検知するものであ
る。
Further, the detection means 14 irradiates each grain with light on an arbitrary number of sample rice, for example, after milled rice, and diffuses the transmitted light amount (T) of each grain after milled rice. ) Is detected by the diffuse transmitted light amount detection unit 24, and the diffuse reflected light amount (R) of each grain of milled rice after milling is detected by the diffuse reflected light amount detection unit 26.

【0024】とう精前の玄米およびとう精後の精米の拡
散透過光量(T)と拡散反射光量(R)とは、前記タイ
ミング孔部12によって特定される検知時期に検知され
るものである。
The diffuse transmitted light amount (T) and the diffuse reflected light amount (R) of brown rice before milling and milled rice after milling are detected at the detection time specified by the timing hole 12.

【0025】前記拡散透過光量(T)と拡散反射光量
(R)との信号は、A/Dコンバータ(図示せず)によ
りA/D変換されている。
The signals of the diffuse transmitted light amount (T) and the diffuse reflected light amount (R) are A / D converted by an A / D converter (not shown).

【0026】また、前記検知手段14には、演算手段1
6が連絡されている。この演算手段16は、A/D変換
後のとう精前の玄米およびとう精後の精米の拡散透過光
量(T)と、A/D変換後のとう精前の玄米およびとう
精後の精米の拡散反射光量(R)との信号をメモリ(図
示せず)に記憶し、この信号からとう精前の玄米および
とう精後の精米の透過反射比(T/R)を演算するとと
もに、その平均値と偏差等の統計値を演算するものであ
る。図5に前記透過反射比(T/R)ととう精度の指標
である白度計の値との関係を示す。
Further, the detecting means 14 includes a computing means 1
6 has been contacted. The calculating means 16 calculates the diffuse transmitted light amount (T) of the brown rice before milling after A / D conversion and the milled rice after milling, and the brown rice before milling and milled rice after milling after A / D conversion. A signal with the diffuse reflection light amount (R) is stored in a memory (not shown), and the transmission / reflection ratio (T / R) of brown rice before milling and rice after milling is calculated from this signal, and the average thereof is calculated. The value and the statistical value such as the deviation are calculated. FIG. 5 shows the relationship between the transmission / reflection ratio (T / R) and the value of the whiteness meter which is an index of the accuracy of the measurement.

【0027】更に、前記演算手段16には、処理手段1
8が連絡されている。この処理手段18は、第1処理部
28と第2処理部30とを有している。
Furthermore, the processing means 1 is included in the computing means 16.
8 has been contacted. The processing means 18 has a first processing unit 28 and a second processing unit 30.

【0028】前記第1処理部28は、とう精前の玄米の
透過反射比(T/R)の平均値ととう精後の精米の透過
反射比(T/R)の平均値との比によりとう精度を判定
処理するものである。(図3参照)
The first processing unit 28 determines the average value of the transmission / reflection ratio (T / R) of brown rice before milling and the average value of the transmission / reflection ratio (T / R) of milled rice after milling. This is a process for determining the accuracy of the spinning. (See Figure 3)

【0029】前記第2処理部30は、前記演算手段16
によって演算されたとう精前の玄米およびとう精後の精
米の透過反射比(T/R)の平均値と偏差等の統計値か
らとう精度のばらつきを判定処理するものである。
The second processing section 30 includes the arithmetic means 16
The variation of the milling accuracy is determined from the statistical values such as the average value and deviation of the transmission / reflection ratio (T / R) of the brown rice before milling and the milled rice after milling calculated by.

【0030】次に作用について説明する。Next, the operation will be described.

【0031】とう精度ととう精度のばらつきとを判定す
る際には、先ず、とう精前の玄米の各一粒毎に光を照射
し、検知手段14によって一粒毎の拡散透過光量(T)
と拡散反射光量(R)とを検知する。その後に、とう精
前の玄米の拡散透過光量(T)と拡散反射光量(R)と
から演算手段16によってとう精前の玄米の透過反射比
(T/R)を演算するとともに、この透過反射比(T/
R)の平均値や偏差等の統計値を演算している。
In determining the tortuosity and the variation in tortuosity, first, light is irradiated to each grain of unpolished brown rice, and the diffuse transmission light amount (T) of each grain is detected by the detecting means 14.
And the diffuse reflection light amount (R) are detected. Then, the transmission / reflection ratio (T / R) of brown rice before milling is calculated by the calculating means 16 from the amount of diffuse transmission light (T) of diffused brown rice before milling and the amount of diffuse reflection light (R). Ratio (T /
Statistical values such as average value and deviation of R) are calculated.

【0032】また、とう精後の精米の各一粒毎に光を照
射し、検知手段14によって一粒毎の拡散透過光量
(T)と拡散反射光量(R)とを検知する。その後に、
とう精後の精米の拡散透過光量(T)と拡散反射光量
(R)とから演算手段16によってとう精後の精米の透
過反射比(T/R)を演算するとともに、この透過反射
比(T/R)の平均値や偏差等の統計値を演算してい
る。
Further, each grain of milled rice after milling is irradiated with light, and the detecting means 14 detects the amount of diffuse transmitted light (T) and the amount of diffuse reflected light (R) of each grain. After that,
The transmission / reflection ratio (T / R) of the milled rice after milling is calculated by the calculating means 16 from the diffuse transmission light amount (T) and the diffuse reflection light amount (R) of the milled rice after milling, and this transmission / reflection ratio (T / R) is used to calculate statistical values such as average value and deviation.

【0033】更に、処理手段18の第1処理部28によ
って前記演算手段16の出力信号から試料米のとう精度
判定しているとともに、前記処理手段18の第2処理部
30によって前記演算手段16の出力信号から試料米の
とう精度のばらつきとを判定している。
Further, the first processing unit 28 of the processing unit 18 determines the precision of the sample rice from the output signal of the processing unit 16, and the second processing unit 30 of the processing unit 18 controls the processing unit 16 Judgment is made from the output signal regarding variations in the accuracy of sample rice.

【0034】これにより、演算手段16によって演算さ
れた一粒毎のとう精前の玄米およびとう精後の精米の透
過反射比(T/R)の平均値からとう精度を判定でき、
精米の品質を良好に維持し得て、実用上有利であるとと
もに、演算手段16によって演算されたとう精前の玄米
およびとう精後の精米の透過反射比(T/R)の平均値
と偏差等の統計値からとう精度のばらつきを確認でき、
とう精機(図示せず)の使用状態を容易に管理し得て、
実用上有利である。
Thereby, the grinding accuracy can be judged from the average value of the transmission / reflection ratio (T / R) of the brown rice before milling and the milled rice after milling calculated by the calculating means 16,
It is possible to maintain good quality of milled rice, which is practically advantageous, and the average value and deviation of the transmission-reflection ratio (T / R) of the brown rice before milling and the milled rice after milling calculated by the calculating means 16. It is possible to confirm the variation in precision of the torso from statistical values such as
It is possible to easily manage the usage status of the Tohseiki (not shown),
It is practically advantageous.

【0035】また、とう精前の玄米およびとう精後の精
米の透過反射比(T/R)の平均値と偏差等の統計値を
演算する演算手段16を設けたことにより、とう精前の
玄米ととう精指標に関する品質データを確保でき、原料
玄米のブレンドに活用することができ、実用上有利であ
る。
Further, by providing the calculating means 16 for calculating the statistical value such as the average value and deviation of the transmission / reflection ratio (T / R) of the brown rice before milling and the milled rice after milling, It is possible to secure quality data on the index of refined brown rice and use it for blending raw brown rice, which is practically advantageous.

【0036】図6はこの発明の第2実施例を示すもので
ある。この第2実施例において上述第1実施例と同一機
能を果たす箇所には同一符号を付して説明する。
FIG. 6 shows a second embodiment of the present invention. In the second embodiment, the parts having the same functions as those of the first embodiment will be described with the same reference numerals.

【0037】この第2実施例の特徴とするところは、上
述第1実施例においては、とう精前の玄米およびとう精
後の精米の透過反射比(T/R)の平均値と偏差等の統
計値からとう精度を判定する構成としたが、一粒毎の拡
散反射光中の任意の赤色領域波長(Red)と緑色領域
波長(Grn)の光量との比たる分光比(Red/Gr
n)からとう精度ととう精度のばらつきを判定すべく構
成した点にある。
The feature of the second embodiment is that in the above-mentioned first embodiment, the average value and deviation of the transmission / reflection ratio (T / R) of brown rice before milling and milled rice after milling. Although the accuracy is determined from the statistical value, the spectral ratio (Red / Gr), which is the ratio of the light amount of the arbitrary red region wavelength (Red) and the green region wavelength (Grn) in the diffuse reflection light for each grain, is used.
The point is that it is configured so as to determine the variation in the precision and the precision in the case of n).

【0038】すなわち、試料米の各一粒毎に光を照射
し、一粒毎の拡散反射光中の任意の赤色領域波長(Re
d)と緑色領域波長(Grn)の光量とを検知する検知
手段42を設け、前記検知手段42により検知された一
粒毎の拡散反射光中の任意の赤色領域波長(Red)と
緑色領域波長(Grn)の光量から分光比(Red/G
rn)を演算する演算手段44を設け、この演算手段4
4の出力信号から試料米のとう精度ととう精度のばらつ
きとを判定処理する処理手段46を設ける構成としてい
る。図5に分光比(Red/Grn)と白度計との関係
を示す。
That is, each grain of the sample rice is irradiated with light, and an arbitrary red wavelength region (Re
d) and a detector 42 for detecting the amount of light in the green region wavelength (Grn) are provided, and arbitrary red region wavelength (Red) and green region wavelength in the diffuse reflection light for each grain detected by the detector 42. From the light intensity of (Grn), the spectral ratio (Red / G
The calculation means 44 for calculating rn) is provided, and the calculation means 4
The processing means 46 for determining the accuracy of the sample rice and the fluctuation of the accuracy of the rice from the output signal of No. 4 is provided. FIG. 5 shows the relationship between the spectral ratio (Red / Grn) and the whiteness meter.

【0039】さすれば、一粒毎の拡散反射光中の任意の
赤色領域波長(Red)と緑色領域波長(Grn)の光
量との比たる分光比(Red/Grn)からとう精度を
判定でき、精米の品質を良好に維持し得て、実用上有利
であるとともに、とう精度のばらつきを確認でき、とう
精機(図示せず)の使用状態を容易に管理し得て、実用
上有利である。(図4参照)
Then, the precision can be determined from the spectral ratio (Red / Grn), which is the ratio of the amount of light in the red region wavelength (Red) to the green region wavelength (Grn) in the diffusely reflected light for each grain. , It is possible to maintain good quality of milled rice and is practically advantageous, and it is possible to confirm the variation of the milling precision, and it is possible to easily manage the usage state of the milling machine (not shown), which is practically advantageous. . (See Figure 4)

【0040】また、分光比(Red/Grn)を演算す
る演算手段44を設けたことによってとう精前の玄米と
とう精指標に関する品質データを確保でき、原料玄米の
ブレンドに活用することができ、実用上有利である。
Further, by providing the calculating means 44 for calculating the spectral ratio (Red / Grn), it is possible to secure quality data regarding the brown rice before milling and the index of milling, which can be utilized for blending raw brown rice, It is practically advantageous.

【0041】[0041]

【発明の効果】以上詳細に説明した如くこの発明によれ
ば、移送される試料米の各一粒毎に光を照射して光の状
態を検出し検出値により各一粒毎の状態を測定する測定
装置において、試料米の各一粒毎に光を照射し一粒毎の
拡散透過光量と拡散反射光量とを検知する検知手段を設
け、検知手段により検知された一粒毎の拡散透過光量と
拡散反射光量との値を演算する演算手段を設け、演算手
段の出力信号から試料米のとう精度ととう精度のばらつ
きとを判定処理する処理手段を設けたので、一粒毎の拡
散透過光量と拡散反射光量との値からとう精度を判定で
き、精米の品質を良好に維持し得て、実用上有利である
とともに、とう精度のばらつきを確認でき、とう精機の
使用状態を容易に管理し得て、実用上有利である。ま
た、一粒毎の拡散透過光量と拡散反射光量との値を演算
する演算手段を設けたことにより、とう精前の玄米とと
う精指標に関する品質データを確保でき、原料玄米のブ
レンドに活用することができ、実用上有利である。
As described in detail above, according to the present invention, each grain of the sample rice to be transferred is irradiated with light to detect the state of light, and the state of each grain is measured by the detected value. In the measuring device, which is provided with a detecting means for irradiating light to each grain of the sample rice and detecting the diffuse transmitted light amount and the diffuse reflected light amount of each grain, the diffuse transmitted light amount of each grain detected by the detecting means Since the calculation means for calculating the values of the diffuse reflection light quantity and the value of the diffuse reflection light quantity is provided and the processing means for judging the accuracy of the sample rice from the output signal of the calculation means and the variation of the accuracy of the measurement, the quantity of diffuse transmission light for each grain is provided. Accuracy can be judged from the value of the amount of diffuse reflection light, and the quality of milled rice can be maintained in good condition, which is practically advantageous, and the fluctuation of the accuracy of milling can be confirmed, and the usage condition of the milling machine can be easily controlled. Therefore, it is practically advantageous. Also, by providing a calculation means for calculating the value of the diffuse transmitted light amount and the diffuse reflected light amount of each grain, it is possible to secure the quality data regarding the brown rice before milling and the milling index, which is used for blending the raw brown rice. It is possible and practically advantageous.

【0042】また、移送される試料米の各一粒毎に光を
照射して光の状態を検出し検出値により各一粒毎の状態
を測定する測定装置において、試料米の各一粒毎に光を
照射し一粒毎の拡散反射光中の任意の赤色領域波長と緑
色領域波長の光量とを検知する検知手段を設け、検知手
段により検知された一粒毎の拡散反射光中の任意の赤色
領域波長と緑色領域波長の光量との値を演算する演算手
段を設け、演算手段の出力信号から試料米のとう精度と
とう精度のばらつきとを判定処理する処理手段を設けた
ので、一粒毎の拡散反射光中の任意の赤色領域波長と緑
色領域波長の光量との値からとう精度を判定でき、精米
の品質を良好に維持し得て、実用上有利であるととも
に、とう精度のばらつきを確認でき、とう精機の使用状
態を容易に管理し得て、実用上有利である。また、一粒
毎の拡散反射光中の任意の赤色領域波長と緑色領域波長
の光量との値を演算する演算手段を設けたことにより、
とう精前の玄米ととう精指標に関する品質データを確保
でき、原料玄米のブレンドに活用することができ、実用
上有利である。
Further, in the measuring device for irradiating light to each grain of the sample rice to be transferred, detecting the state of light and measuring the state of each grain by the detected value, By providing a detection means for irradiating light to each of the particles, and detecting the amount of light in the red region wavelength and the green region wavelength in the diffuse reflection light of each grain, any of the diffuse reflection light of each grain detected by the detection means is provided. Since the calculation means for calculating the values of the red region wavelength and the light amount of the green region wavelength are provided, and the processing means for determining the accuracy of the sample rice from the output signal of the calculation means and the dispersion of the accuracy of the measurement, the processing means is provided. It is possible to judge the milling accuracy from the value of the amount of light in the red region wavelength and the green region wavelength in the diffusely reflected light for each grain, and it is possible to maintain the quality of milled rice in good condition, which is practically advantageous and You can check variations and easily manage the usage status This is advantageous in view of practical use. Further, by providing a calculating means for calculating the value of the light amount of the arbitrary red region wavelength and green region wavelength in the diffuse reflection light for each grain,
Quality data on brown rice before polishing and polishing index can be secured, and it can be utilized for blending raw brown rice, which is practically advantageous.

【0043】更に、移送される試料米の各一粒毎に光を
照射して光の状態を検出し検出値により各一粒毎の状態
を測定する測定方法において、試料米の各一粒毎に光を
照射し検知手段により一粒毎の拡散透過光量と拡散反射
光量または一粒毎の拡散反射光中の任意の赤色領域波長
と緑色領域波長の光量を検知する段階と、検知手段によ
り検知された一粒毎の拡散透過光量と拡散反射光量との
値または一粒毎の拡散反射光中の任意の赤色領域波長と
緑色領域波長の光量との値を演算手段に入力し演算する
段階と、演算手段の出力信号を処理手段に入力し処理手
段によって試料米のとう精度ととう精度のばらつきとを
判定処理する段階とを有するので、一粒毎の拡散透過光
量と拡散反射光量との値または一粒毎の拡散反射光中の
任意の赤色領域波長と緑色領域波長の光量との値からと
う精度を判定でき、精米の品質を良好に維持し得て、実
用上有利であるとともに、とう精度のばらつきを確認で
き、とう精機の使用状態を容易に管理し得て、実用上有
利である。また、検知手段により検知された一粒毎の拡
散透過光量と拡散反射光量との値または一粒毎の拡散反
射光中の任意の赤色領域波長と緑色領域波長の光量との
値を演算手段に入力し演算することにより、とう精前の
玄米ととう精指標に関する品質データを確保でき、原料
玄米のブレンドに活用することができ、実用上有利であ
る。
Further, in the measuring method of irradiating light to each grain of the sample rice to be transferred, detecting the state of light and measuring the state of each grain by the detected value, Detecting the amount of diffuse transmitted light and diffuse reflected light for each grain or the amount of light of arbitrary red region wavelength and green region wavelength in diffuse reflected light for each grain by detecting means, and detecting by detecting means A step of inputting the value of the diffuse transmitted light amount and the diffuse reflected light amount of each grain or the value of the light amount of any red region wavelength and green region wavelength in the diffuse reflected light of each grain to the calculating means and calculating , The step of inputting the output signal of the computing means to the processing means and performing the determination processing of the milling precision and the variation in the milling precision of the sample rice by the processing means, so the value of the diffuse transmitted light amount and the diffuse reflected light amount of each grain Or an arbitrary red region wave in the diffuse reflection light of each grain Accuracy can be determined from the value of the light intensity of the green region and the light intensity of the green region wavelength, and it is possible to maintain good quality of rice polishing, which is practically advantageous, and it is possible to confirm the variation of the accuracy of the polishing, making it easy to use the milling machine. It is manageable and practically advantageous. In addition, the value of the diffuse transmitted light amount and the diffuse reflected light amount of each grain detected by the detecting means or the value of the light amount of any red region wavelength and green region wavelength in the diffuse reflected light of each grain is calculated by the calculating means. By inputting and calculating, it is possible to secure quality data regarding the index of brown rice before milling and to utilize it for blending raw brown rice, which is practically advantageous.

【図面の簡単な説明】[Brief description of drawings]

【図1】この発明の第1実施例を示す米のとう精度測定
装置の概略ブロック図である。
FIG. 1 is a schematic block diagram of a rice agar precision measuring device showing a first embodiment of the present invention.

【図2】米のとう精度測定装置の概略平面図である。FIG. 2 is a schematic plan view of a rice agar precision measuring device.

【図3】玄米と精米との比を示す図である。FIG. 3 is a diagram showing a ratio of brown rice to polished rice.

【図4】一粒毎のとう精ばらつきを示す図である。FIG. 4 is a diagram showing a variation in refinement of each grain.

【図5】各光量と白度計の値との関係を示す図である。FIG. 5 is a diagram showing a relationship between each light amount and a value of a whiteness meter.

【図6】この発明の第2実施例を示す米のとう精度測定
装置の概略ブロック図である。
FIG. 6 is a schematic block diagram of a rice agar precision measuring device showing a second embodiment of the present invention.

【符号の説明】[Explanation of symbols]

2 とう精度測定装置 4 円板 6 回転軸 8 モータ 10 試料米用孔部 12 タイミング孔部 14 検知手段 16 演算手段 18 処理手段 20 ヘッド 22 光源 24 拡散透過光量検知部 26 拡散反射光量検知部 28 第1処理部 30 第2処理部 2 Precision measuring device 4 Disc 6 Rotation axis 8 Motor 10 Hole for sample rice 12 Timing hole 14 Detecting means 16 Calculating means 18 Processing means 20 Head 22 Light source 24 Diffuse transmitted light quantity detecting section 26 Diffuse reflected light quantity detecting section 28 No. 1 processing unit 30 second processing unit

【手続補正書】[Procedure amendment]

【提出日】平成6年1月31日[Submission date] January 31, 1994

【手続補正1】[Procedure Amendment 1]

【補正対象書類名】図面[Document name to be corrected] Drawing

【補正対象項目名】全図[Correction target item name] All drawings

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【図1】 [Figure 1]

【図2】 [Fig. 2]

【図3】 [Figure 3]

【図4】 [Figure 4]

【図5】 [Figure 5]

【図6】 [Figure 6]

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 移送される試料米の各一粒毎に光を照射
して光の状態を検出しこの検出値により各一粒毎の状態
を測定する測定装置において、試料米の各一粒毎に光を
照射し一粒毎の拡散透過光量と拡散反射光量とを検知す
る検知手段を設け、前記検知手段により検知された一粒
毎の拡散透過光量と拡散反射光量との値を演算する演算
手段を設け、前記演算手段の出力信号から試料米のとう
精度ととう精度のばらつきとを判定処理する処理手段を
設けたことを特徴とする米のとう精度測定装置。
1. A measuring device for irradiating light to each grain of sample rice to be transferred to detect the state of light and measuring the state of each grain based on the detected value. A detector is provided for detecting the diffuse transmitted light amount and the diffuse reflected light amount for each grain by irradiating light for each grain, and the values of the diffuse transmitted light amount and the diffuse reflected light amount for each grain detected by the detecting unit are calculated. An apparatus for measuring the accuracy of rice-boiled rice, comprising processing means, and processing means for determining processing accuracy and variation in the accuracy of the rice from the output signal of the processing means.
【請求項2】 移送される試料米の各一粒毎に光を照射
して光の状態を検出しこの検出値により各一粒毎の状態
を測定する測定装置において、試料米の各一粒毎に光を
照射し一粒毎の拡散反射光中の任意の赤色領域波長と緑
色領域波長の光量とを検知する検知手段を設け、前記検
知手段により検知された一粒毎の拡散反射光中の任意の
赤色領域波長と緑色領域波長の光量との値を演算する演
算手段を設け、前記演算手段の出力信号から試料米のと
う精度ととう精度のばらつきとを判定処理する処理手段
を設けたことを特徴とする米のとう精度測定装置。
2. A measuring device for irradiating light to each grain of sample rice to be transferred to detect the state of light and measuring the state of each grain based on the detected value. Provided with detection means for irradiating light for each particle and detecting the amount of light of arbitrary red wavelength range and green area wavelength in diffuse reflection light for each grain, and for diffuse reflection light for each grain detected by the detection means A calculation means is provided for calculating the values of the light amounts of the red and green wavelengths, and a processing means is provided for determining the accuracy of the sample rice from the output signal of the calculation means and the variation in the accuracy of the measurement. A device for measuring the accuracy of rice boll.
【請求項3】 移送される試料米の各一粒毎に光を照射
して光の状態を検出しこの検出値により各一粒毎の状態
を測定する測定方法において、試料米の各一粒毎に光を
照射し検知手段により一粒毎の拡散透過光量と拡散反射
光量または一粒毎の拡散反射光中の任意の赤色領域波長
と緑色領域波長の光量を検知する段階と、前記検知手段
により検知された一粒毎の拡散透過光量と拡散反射光量
との値または一粒毎の拡散反射光中の任意の赤色領域波
長と緑色領域波長の光量との値を演算手段に入力し演算
する段階と、前記演算手段の出力信号を処理手段に入力
しこの処理手段によって試料米のとう精度ととう精度の
ばらつきとを判定処理する段階とを有することを特徴と
する米のとう精度測定方法。
3. A measuring method in which light is radiated to each grain of the sample rice to be transferred to detect the state of light and the state of each grain is measured by the detected value. Detecting the amount of diffuse transmitted light and the amount of diffuse reflected light of each grain or the amount of light of any red region wavelength and green region wavelength in the diffuse reflected light of each grain by detecting means by irradiating light for each grain; The value of the diffuse transmitted light amount and the diffuse reflected light amount of each particle detected by or the value of the light amount of an arbitrary red region wavelength and green region wavelength in the diffuse reflected light of each grain is input to the calculating means and calculated. And a step of inputting an output signal of the arithmetic means to a processing means and performing a determination process for the accuracy of the sample rice and the fluctuation of the accuracy of the rice by the processing means.
JP30871793A 1993-11-15 1993-11-15 Method and apparatus for measuring extent of cleaning of rice Pending JPH07140067A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP30871793A JPH07140067A (en) 1993-11-15 1993-11-15 Method and apparatus for measuring extent of cleaning of rice

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30871793A JPH07140067A (en) 1993-11-15 1993-11-15 Method and apparatus for measuring extent of cleaning of rice

Publications (1)

Publication Number Publication Date
JPH07140067A true JPH07140067A (en) 1995-06-02

Family

ID=17984437

Family Applications (1)

Application Number Title Priority Date Filing Date
JP30871793A Pending JPH07140067A (en) 1993-11-15 1993-11-15 Method and apparatus for measuring extent of cleaning of rice

Country Status (1)

Country Link
JP (1) JPH07140067A (en)

Similar Documents

Publication Publication Date Title
US4513751A (en) Method for measuring oxygen metabolism in internal organ or tissue
CN111104730B (en) Method for quickly judging rice whitening degree based on whiteness
TW202039080A (en) Operation assistance device for polishing facility and polishing facility
CN111337450A (en) Rapid nondestructive determination method and device for rice processing precision grade
US6600559B2 (en) On-line method for detecting particle size during a milling process
IWEKA et al. Online milk quality assessment during milking using near-infrared spectroscopic sensing system
JP2000180369A (en) Method and apparatus for measurement of appearance quality of grain
Chen et al. Quantifying surface lipid content of milled rice via visible/near‐infrared spectroscopy
Kent-Jones et al. A photo-electric method of determining the colour of flour as affected by grade, by measurements of reflecting power
Fang et al. Neural network modeling of physical properties of ground wheat
JPH07140067A (en) Method and apparatus for measuring extent of cleaning of rice
Fant et al. Grey-scale intensity as a potential measurement for degree of rice milling
Armstrong et al. The effect of moisture content on determining corn hardness from grinding time, grinding energy, and near-infrared spectroscopy
JPH06288907A (en) Evaluation of quality of unhulled rice
JP4273365B2 (en) Rice single grain whiteness measuring apparatus and method
KR101493816B1 (en) Apparatus for measuring sample
JPH03160345A (en) Method of evaluating quality of boiled rice
JP3180847B2 (en) Method and apparatus for measuring whiteness of sake rice
JPH06229913A (en) Measuring method for content of component of grain and the like
JPH11218496A (en) Device and method for measuring degree of whiteness of single rice grain
JPH05149873A (en) Grain quality examination device and drying/method of grain
JPH07104279B2 (en) Evaluation method of rice taste
JP7310714B2 (en) Rice grain quality measuring device
JP2000201528A (en) Determination of reaping time
JPH0894519A (en) Quality evaluation device for grain