JPH0425642Y2 - - Google Patents
Info
- Publication number
- JPH0425642Y2 JPH0425642Y2 JP11150686U JP11150686U JPH0425642Y2 JP H0425642 Y2 JPH0425642 Y2 JP H0425642Y2 JP 11150686 U JP11150686 U JP 11150686U JP 11150686 U JP11150686 U JP 11150686U JP H0425642 Y2 JPH0425642 Y2 JP H0425642Y2
- Authority
- JP
- Japan
- Prior art keywords
- grain
- sample
- moisture
- electrode
- sample grain
- 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
- 238000001514 detection method Methods 0.000 claims description 15
- 238000011109 contamination Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 241000220010 Rhode Species 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
Description
【考案の詳細な説明】
産業上の利用分野
本考案は、一定量の試料穀物を圧砕し、その電
気抵抗から試料穀物の水分を測定する装置に関す
るものである。[Detailed Description of the Invention] Industrial Application Field The present invention relates to an apparatus for crushing a certain amount of sample grain and measuring the water content of the sample grain from its electrical resistance.
従来の技術
従来、この種の穀物の水分測定装置は、例え
ば、実公昭56−41247号公報に記載されているが、
この装置においては、第２図に示すように、一対
の電極ロール１０１，１０１′が抵抗１０２を直
列にして定電圧電源１０３に接続されていて、一
対の電極ロール１０１，１０１′間に挟まれた試
料穀物の電気抵抗を、その間に流れる電流信号に
よる抵抗１０２の端子間電圧に変換して検出し、
試料穀物の水分を測定するようになつている。な
お、図中１０４はオペアンプであつて、抵抗１０
２の端子間電圧はこのオペアンプ１０４により増
幅されたうえ、出力するようになつている。BACKGROUND ART Conventionally, this type of grain moisture measuring device has been described in, for example, Japanese Utility Model Publication No. 1983-41247.
In this device, as shown in FIG. 2, a pair of electrode rolls 101, 101' are connected to a constant voltage power source 103 with a resistor 102 in series, and are sandwiched between the pair of electrode rolls 101, 101'. converting the electrical resistance of the sample grain into a voltage across the terminals of the resistor 102 based on a current signal flowing therebetween;
It is designed to measure the moisture content of sample grains. In addition, 104 in the figure is an operational amplifier, and the resistor 10
The voltage between the two terminals is amplified by this operational amplifier 104 and then output.
考案が解決しようとする問題点
ところで、穀物の水分測定にあたつて抽出され
る試料穀物には、未熟粒が混入していることが多
く、未熟粒の水分率は整粒のそれよりかなり高い
ので、上記のような従来の穀物の水分測定装置に
おいて高精度の水分測定結果を得るには、試料穀
物の未熟粒混入率をあらかじめ調べておき、水分
測定値をそれにより補正する必要があつて煩雑で
あるだけでなく、またこれを自動的に行うには複
雑な機構および回路構成が必要である。Problems that the invention aims to solve By the way, sample grains extracted when measuring the moisture content of grains often contain immature grains, and the moisture content of immature grains is considerably higher than that of grains that have been prepared. Therefore, in order to obtain highly accurate moisture measurement results using the conventional grain moisture measurement device described above, it is necessary to check the immature grain contamination rate of the sample grain in advance and correct the moisture measurement value accordingly. Not only is this complicated, but it also requires complicated mechanisms and circuit configurations to perform this automatically.
本考案は、このような従来の問題点に鑑み、簡
素な構成のもので、抽出された試料穀物の水分測
定時にその未熟粒混入率を同時に検出して水分検
出値を補正し、もつて、試料穀物の未熟粒混入率
にかかわらず、高精度の水分測定ができる穀物の
水分測定装置を提供することを目的とするもので
ある。 In view of these conventional problems, the present invention has a simple structure, and when measuring the moisture content of extracted sample grains, it simultaneously detects the immature grain contamination rate and corrects the detected moisture value. The object of the present invention is to provide a grain moisture measuring device that can measure moisture content with high accuracy regardless of the immature grain contamination rate of sample grains.
問題点を解決するための手段
本考案は、その目的を達成するための技術的手
段を次のように構成した。Means for Solving the Problems The present invention has the following technical means for achieving its purpose.
すなわち、本考案にかかる穀物の水分測定装置
は、一定量の試料穀物を圧砕し、その電気抵抗か
ら試料穀物の水分を測定する装置において、一定
量の試料穀物を収容して圧砕し、その電気抵抗お
よび圧砕時の圧力を検出する検出部と、検出部に
よつて検出される試料穀物の電気抵抗から水分値
を、その圧砕時の圧力から未熟粒の混入率をそれ
ぞれ算出し、かつ未熟粒の混入率によつて算出水
分値を補正した測定水分値のデータを出力するデ
ータ制御回路を備えて構成したことを特徴とする
ものである。 That is, the grain moisture measuring device according to the present invention crushes a certain amount of sample grain and measures the moisture content of the sample grain from its electrical resistance. A detection unit detects the resistance and pressure during crushing, and the moisture value is calculated from the electrical resistance of the sample grain detected by the detection unit, and the contamination rate of immature grains is calculated from the pressure during crushing, and the immature grain is detected by the detection unit. The present invention is characterized in that it is configured to include a data control circuit that outputs data of a measured moisture value obtained by correcting a calculated moisture value based on a mixing rate of .
作 用
試料穀物の水分を測定するにあたつては、検出
部に一定量の試料穀物が供給され、その試料穀物
は検出部において圧砕される。そして、検出部で
は圧砕された試料穀物の電気抵抗と、圧砕時の圧
力が検出される。データ制御回路においては、上
記電気抵抗および圧力の信号が入力し、電気抵抗
から試料穀物の水分が算出され、かつ圧力から試
料穀物の未熟粒混入率が算出される。そして、デ
ータ制御回路では、算出水分値が未熟粒混入率に
よつて補正され、整粒のみの水分値に見合う水分
値のデータが出力される。Operation When measuring the moisture content of sample grains, a certain amount of sample grains is supplied to the detection section, and the sample grains are crushed in the detection section. The detection unit detects the electrical resistance of the crushed sample grain and the pressure at the time of crushing. The data control circuit receives the electrical resistance and pressure signals, calculates the moisture content of the sample grain from the electrical resistance, and calculates the immature grain contamination rate of the sample grain from the pressure. Then, in the data control circuit, the calculated moisture value is corrected based on the immature grain mixing rate, and data of a moisture value corresponding to the moisture value of grain size adjustment alone is outputted.
なお、試料穀物が未熟粒であるときは、整粒に
比して圧砕に要する圧力が小さく、かつ電気抵抗
が小さいので、データ制御回路では、上記のよう
に電流信号と圧力信号から整粒に対する未熟粒の
混入率を的確に算出することができるのである。 Note that when the sample grain is immature grain, the pressure required for crushing is lower than that for grading, and the electrical resistance is also small. The contamination rate of immature grains can be accurately calculated.
実施例 本考案の一実施例を図面について説明する。Example An embodiment of the present invention will be described with reference to the drawings.
第１図において、１は一定量の試料穀物を収容
する一方の電極、２は試料穀物を圧砕する他方の
電極であつて、一方の電極１に対して他方の電極
２は一定の圧砕間隔を保つようになつており、一
方の電極１の下には圧砕時の圧力を検出する圧力
検出器（ローデセル等）３が設けられていて、こ
れらの電極１と２および圧力検出器３によつて検
出部４が構成されている。そして、上記検出部４
の電極１，２において圧砕された一定量の試料穀
物の電気抵抗はアンプ５で検出増幅され、その信
号はＡ／Ｄ変換器６を経てデータ制御回路７に入
力し、圧力検出器３で検出された圧力信号はスト
レインアンプ８で増幅され、Ａ／Ｄ変換器９を経
てデータ制御回路７に入力する回路が構成されて
いる。データ制御回路７はマイクロコンピユータ
であつて、このデータ制御回路７は上記電気抵抗
信号および圧力信号から試料穀物の未熟粒を含ん
だままの水分値を算出し、圧力信号から試料穀物
の未熟粒混入率を算出して、さらに、算出水分値
を未熟粒混入率によつて補正した整粒のみの水分
値に見合う水分値のデータを出力するものであ
る。したがつて、データ制御回路７には、試料穀
物を圧砕した際の圧力から未熟粒の混入率を判別
するための統計的データがプログラムされている
ものである。 In FIG. 1, 1 is one electrode that accommodates a certain amount of sample grain, and 2 is the other electrode that crushes the sample grain. A pressure detector (Rhode cell, etc.) 3 is provided below one electrode 1 to detect the pressure during crushing, and these electrodes 1 and 2 and pressure detector 3 A detection unit 4 is configured. Then, the detection section 4
The electrical resistance of a certain amount of sample grain crushed by the electrodes 1 and 2 is detected and amplified by the amplifier 5, and the signal is inputted to the data control circuit 7 via the A/D converter 6, and detected by the pressure detector 3. A circuit is constructed in which the pressure signal is amplified by a strain amplifier 8 and inputted to a data control circuit 7 via an A/D converter 9. The data control circuit 7 is a microcomputer, and this data control circuit 7 calculates the moisture value of the sample grain containing immature grains from the electrical resistance signal and pressure signal, and calculates the moisture value of the sample grain containing immature grains from the pressure signal. After calculating the ratio, the calculated moisture value is further corrected by the immature grain mixing rate to output moisture value data that corresponds to the moisture value only for grain size adjustment. Therefore, the data control circuit 7 is programmed with statistical data for determining the contamination rate of immature grains from the pressure when the sample grain is crushed.
以上のように構成された装置において、試料穀
物の水分を測定するにあたり、一定量の試料穀物
が検出部４の一方の電極１に収容され、かつ他方
の電極２によつて一定の圧砕間隔まで圧砕される
と、その試料穀物の電気抵抗信号と圧力信号がデ
ータ制御回路７入力する。そして、この電気抵抗
信号と圧力信号とにより、データ制御回路７から
は、前記のように整粒のみの水分値に見合うよう
に補正された精度の高い試料穀物の水分値のデー
タが出力される。 In the apparatus configured as described above, when measuring the moisture content of a sample grain, a certain amount of the sample grain is accommodated in one electrode 1 of the detection section 4, and the other electrode 2 is used to crush the sample grain at a certain interval. When crushed, the electrical resistance signal and pressure signal of the sample grain are input to the data control circuit 7. Then, based on the electrical resistance signal and the pressure signal, the data control circuit 7 outputs highly accurate data on the moisture value of the sample grain, which has been corrected to match the moisture value of grain grading only as described above. .
なお、データ制御回路７において、整粒のみの
水分値に見合つた水分値のデータを複数個平均し
て、これを測定水分値データとして出力すれば、
一層精度の高い測定結果が得られる。 In addition, if the data control circuit 7 averages a plurality of pieces of moisture value data that corresponds to the moisture value of grain size adjustment only and outputs this as measured moisture value data,
More accurate measurement results can be obtained.
考案の効果
本考案は、前記のように、一定量の試料穀物を
圧砕し、その電気抵抗から試料穀物の水分を測定
する装置において、一定量の試料穀物を収容して
圧砕し、その電気抵抗および圧砕時の圧力を検出
する検出部と、検出部によつて検出される試料穀
物の電気抵抗から水分値を、その圧砕時の圧力か
ら未熟粒の混入率をそれぞれ算出し、かつ未熟粒
の混入率によつて算出水分値を補正した測定水分
値のデータを出力するデータ制御回路を備えて構
成したから、抽出された試料穀物の水分測定時に
その未熟粒混入率を同時に検出して水分検出値を
補正し、試料穀物の未熟粒混入率にかかわらず、
常に高精度の水分測定ができるできる効果を奏す
る。Effects of the invention As mentioned above, the present invention uses a device that crushes a certain amount of sample grain and measures the water content of the sample grain from its electrical resistance. and a detection unit that detects the pressure during crushing, and calculates the moisture value from the electrical resistance of the sample grain detected by the detection unit, and calculates the mixing rate of immature grains from the pressure during crushing, and calculates the moisture content of the sample grain from the pressure during crushing. Since the structure is equipped with a data control circuit that outputs data of the measured moisture value by correcting the calculated moisture value based on the contamination rate, moisture can be detected by simultaneously detecting the immature grain contamination rate when measuring the moisture content of the extracted sample grain. By correcting the value, regardless of the immature grain contamination rate of the sample grain,
This has the effect of allowing highly accurate moisture measurement at all times.
第１図は本考案の一実施例を示す装置の回路
図、第２図は従来例を示す回路図である。
１……一方の電極、２……他方の電極、３……
圧力検出器、４……検出部、５……アンプ、６…
…Ａ／Ｄ変換器、７……データ制御回路、８……
ストレインアンプ、９……Ａ／Ｄ変換器。
FIG. 1 is a circuit diagram of a device showing an embodiment of the present invention, and FIG. 2 is a circuit diagram showing a conventional example. 1...One electrode, 2...The other electrode, 3...
Pressure detector, 4...detection section, 5...amplifier, 6...
...A/D converter, 7...Data control circuit, 8...
Strain amplifier, 9...A/D converter.
Claims (1)
ら試料穀物の水分を測定する装置において、一
定量の試料穀物を収容して圧砕し、その電気抵
抗および圧砕時の圧力を検出する検出部と、検
出部によつて検出される試料穀物の電気抵抗か
ら水分値を、その圧砕時の圧力から未熟粒の混
入率をそれぞ算出し、かつ未熟粒の混入率によ
つて算出水分値を補正した測定水分値のデータ
を出力するデータ制御回路を備えて構成したこ
とを特徴とする穀物の水分測定装置。 (2) 検出部は、一定量の試料穀物を収容する一方
の電極と試料穀物を圧砕する他方の電極からな
り、一方の電極に対する他方の電極の圧砕間隔
を一定とする構成としたことを特徴とする実用
新案登録請求の範囲第１項記載の穀物の水分測
定装置。[Claims for Utility Model Registration] (1) A device that crushes a certain amount of sample grain and measures the water content of the sample grain from its electrical resistance. A detection unit detects the pressure during crushing, and the moisture value is calculated from the electrical resistance of the sample grain detected by the detection unit, and the contamination rate of immature grains is calculated from the pressure during crushing. What is claimed is: 1. A grain moisture measuring device comprising: a data control circuit that outputs measured moisture value data obtained by correcting a calculated moisture value based on a contamination rate. (2) The detection unit is characterized by being configured to consist of one electrode that accommodates a certain amount of sample grain and the other electrode that crushes the sample grain, and that the crushing interval between one electrode and the other electrode is constant. A grain moisture measuring device according to claim 1 of the utility model registration claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11150686U JPH0425642Y2 (en) | 1986-07-22 | 1986-07-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11150686U JPH0425642Y2 (en) | 1986-07-22 | 1986-07-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6319254U JPS6319254U (en) | 1988-02-08 |
| JPH0425642Y2 true JPH0425642Y2 (en) | 1992-06-19 |
Family
ID=30991490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11150686U Expired JPH0425642Y2 (en) | 1986-07-22 | 1986-07-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0425642Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH085108Y2 (en) * | 1990-03-03 | 1996-02-14 | 株式会社クボタ | Structure of the front of the tractor |
-
1986
- 1986-07-22 JP JP11150686U patent/JPH0425642Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6319254U (en) | 1988-02-08 |
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