JP2015049081A - Electrode roll structure for single grain moisture measurement of grains - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electrode roll structure for single grain moisture measurement of grains capable of securing accuracy of measurement at the time of moisture measurement.SOLUTION: An electrode roll structure for single grain moisture measurement of grains in which a moisture measurement signal can be taken out by sandwiching and crushing grains by each grain by a pair of electrodes 1, 2 is configured such that the pair of electrode rolls 1, 2 continuously forms a plurality of strips of rotation direction V-shaped grooves 7 in parallel to the rotation direction on respective peripheral surfaces, and continuously forms the plurality of strips of rotation shaft direction V-shaped grooves 8 over the entire direction parallel to the rotation shafts of the electrode rolls 1, 2 in respective peripheral surfaces, and a plurality of mountain-shaped parts 9 partitioned by respective rotation direction V-shaped grooves 7 and respective rotation shaft direction V-shaped grooves 8 are arranged in a row over respective peripheral surfaces, and scrapers 11, 12 including a continuous V-shaped irregularity part which scrapes crushed pieces remaining on the outer surfaces of the rotation direction V-shaped groove and the mountain-shaped part are arranged at a position except for a grain crushing region 10, respectively.

Description

  The present invention improves the detachment characteristics of the crushing pieces adhering to and remaining on the electrode roll circumferential groove after completion of crushing for each grain, eliminates the error factor, and ensures the measurement accuracy at the time of moisture measurement This relates to an electrode roll structure for single grain moisture measurement.

  Conventionally, the circumferential surfaces of a pair of electrode rolls are arranged to face each other at a predetermined interval and are driven to rotate, and grains of grains such as milled rice and brown rice are fed one by one between a pair of electrode rolls, while crushing each grain. There has been proposed a single grain moisture measuring device that measures the moisture of each grain sandwiched between a pair of electrode rolls by an electric resistance method.

  A conventional example of an electrode roll structure in this type of single grain moisture measuring device will be described with reference to FIGS.

  The conventional electrode roll structure shown in FIGS. 8 and 9 rotatably supports a pair of electrode rolls 51 and 52 made of a conductive material by rotating shafts 53 and 54 arranged in parallel at regular intervals, and a pair of electrodes. The peripheral surfaces of the rolls 51 and 52 are opposed to each other so as to form a grain crushing region 60 with a predetermined interval therebetween.

  Then, the pair of electrode rolls 51 and 52 are rotationally driven in the direction of the arrow shown in the figure by a rotational driving means (not shown), and the grain M for each single grain supplied to the grain crushing region 60 is converted into the pair of electrodes. The rolls 51 and 52 are crushed and crushed by these peripheral surfaces, and an electric signal (moisture measurement signal) corresponding to the electric resistance due to the moisture of the crushed pieces Ma is applied to the rotating shafts 53 and 54 of the pair of electrode rolls 51 and 52. It takes out using a pair of connected conducting wires 55 and 56, and is processed by a signal processing means (not shown) to measure the moisture value and the like of the grain M for each single grain.

  Scrapers 71 and 72 for removing the crushing pieces Ma remaining on the peripheral surfaces of the electrode rolls 51 and 52 are disposed at, for example, lower positions of the pair of electrode rolls 51 and 52.

  As shown in FIG. 11 which is an enlarged view of a portion B in FIGS. 10 and 10, the circumferential shape of the electrode roll 51 (same for the electrode roll 52) is circumferential in the rotation axis direction on the circumferential surface of the electrode roll 51. As shown in FIG. 13, which is an enlarged view of a portion C of FIGS. 12 and 12, an electrode roll 51 (the same applies to the electrode roll 52), in which a large number of V-shaped grooves 61 are formed at regular intervals over the entire surface. The oblique roll knurl shape in which a large number of oblique V-shaped grooves 62 in one direction forming a predetermined angle with respect to the rotation axis of the electrode roll 51 are formed over the entire circumferential surface, and FIG. 14 and FIG. As shown in FIG. 15, which is an enlarged view of part D, a predetermined crossing in two directions with respect to the rotation axis of the electrode roll, such as a diamond or a cross, on the circumferential surface of the electrode roll 51 (same for the electrode roll 52). A lot of corners Aya th knurled or the like to form a V-shaped groove 63 over the entire circumference is adopted.

The purpose of adopting these V-shaped grooves 61, 62, 63 is to hold and crush a single grain of cereal, but after completion of a number of single-grain crushing, each of these V-shaped grooves 61, 62, 63 It is known that the crushed pieces Ma of the grains M adhering to and remaining on the water will adversely affect the moisture measurement signal.
That is, the crushed pieces Ma stuck to the V-shaped grooves 61, 62, and 63 are those of the past old grain, and the moisture value is lower than the current grain that passes in real time during the measurement operation. Is normal.

  And since the moisture measurement signal based on the past crushed pieces Ma of old grains is mixed in the moisture measurement signal of the current grain that passes in real time, it has become an error factor at the time of moisture measurement.

  As means for eliminating such an error factor at the time of moisture measurement, brushes for cleaning the peripheral surfaces of the electrode rolls 51 and 52 and scrapers 71 and 72 for removing residual samples are arranged as shown in FIG. However, as described above, the groove shape of the V-shaped grooves 61, 62, 63 is formed in a direction perpendicular to the rotation direction of the electrode rolls 51, 52, or with a predetermined inclination angle. Further, since the tip surface shape of each of the scrapers 71 and 72 contacting the electrode rolls 51 and 52 is also a linear shape, the crushing pieces Ma on the surface side (mountain side) of the V-shaped grooves 61, 62 and 63 can be removed. However, it is difficult to remove the crushed pieces Ma remaining in the depths of the V-shaped grooves 61, 62, and 63, and the error factor at the time of moisture measurement has not been eliminated.

  Patent Document 1 discloses a moisture measuring apparatus that supplies grain between a pair of electrode rolls for each grain and detects moisture information at the time of sandwiching and crushing as an electrical signal while sandwiching and crushing the grain. A plurality of V-shaped grooves are formed on the surface of at least one of the electrode rolls substantially parallel to the rotation axis supporting the electrode roll to form continuous chevron strips. The tip is flat and a plurality of V-shaped grooves having a predetermined angle with respect to the rotation axis are formed on the surface of the other electrode roll to form a continuous chevron. The structure which made the front-end | tip part planar is proposed.

  However, in this moisture measuring device, a plurality of V-shaped grooves are formed on one electrode roll of a pair of electrode rolls substantially parallel to the rotation axis, and a chevron strip having a flat tip is formed continuously. Further, a pair of electrode rolls are formed by continuously forming a plurality of V-shaped grooves having a predetermined angle with respect to the rotation axis on the other electrode roll, and continuously forming a chevron strip having a flat tip portion. No measures have been taken to remove the crushing fragments remaining in the back of the V-shaped groove after the pinching crushing treatment by the same as in the case described above, including factors causing errors in the measurement of grain moisture It is.

  In Patent Document 2, a pair of crushing roll electrodes for crushing a grain and measuring its moisture value, a data processing unit for calculating a grain moisture value based on a conversion process and an average process of the measured value, and At least one of the crushing roll electrodes is provided with an angle sensor capable of detecting a rotation angle position of the transverse deep groove and forming a transverse deep groove for taking in the retained grains on the peripheral surface. The grain moisture of the grain dryer configured to calculate the grain moisture value by excluding the measurement value received by the data processing unit when the transverse deep groove is at the angular position of the electrode gap constriction by the sensor A measuring device has been proposed.

  However, in the grain moisture measuring device of Patent Document 2, as in the case of the moisture measuring device of Patent Document 1, no measures are taken to remove the crushing pieces remaining on the peripheral surfaces of the pair of crushing roll electrodes. It includes error factors when measuring grain moisture.

  Further, in the case of the grain moisture measuring device of Patent Document 2, at least one of the pair of crushing roll electrodes is formed with a transverse deep groove for taking in retained grains on the peripheral surface, so that the grain is located at the position of the transverse deep groove. Since the grains cannot be sufficiently crushed and accurate measurement data cannot be obtained, it is indispensable for the data processing unit to exclude the measurement value at the position corresponding to the transverse groove and to calculate the grain moisture value. The problem of becoming is included.

JP-A-2005-77212 JP 2005-326331 A

  The problem to be solved by the present invention is to improve the detachment characteristics of the crushing pieces remaining on the electrode roll circumferential groove after completion of crushing for each single grain, eliminate the error factor, and improve the measurement accuracy during moisture measurement. This is the point that there is no electrode roll structure for single grain moisture measurement of cereals that can secure the above.

  The present invention includes an electrode roll made of a pair of conductive materials arranged to face each other so as to form a grain crushing region with a predetermined interval between peripheral surfaces, and each grain supplied to the grain crushing region It is an electrode roll structure for measuring grain moisture of cereals in which grains are sandwiched and crushed by rotation of the pair of electrode rolls, and an electric signal corresponding to the electric resistance due to moisture of the crushed pieces can be taken out from the pair of electrode rolls. Each of the pair of electrode rolls has a plurality of rotation direction V-shaped grooves continuously formed in parallel to the rotation direction on the peripheral surface, and a plurality of electrode rolls in the entire direction parallel to the rotation axis of the electrode roll on each peripheral surface. A plurality of peaks defined by the rotation direction V-shaped grooves and the rotation direction V-shaped grooves are formed on the entire peripheral surfaces of the pair of electrode rolls by continuously forming the rotation-axis direction V-shaped grooves of the strip. The shape portions are arranged in a row, and the pair of electric Continuous V-shaped irregularities that scrape remaining crushing pieces in contact with the outer surfaces of the rotation direction V-shaped grooves of the plurality of strips of the pair of electrode rolls and the mountain-shaped portions at positions excluding the grain crushing region between the rolls The most important feature is that each scraper provided with a portion is arranged.

  According to the first aspect of the invention, it is possible to take out an electric signal (moisture measurement signal) according to the electric resistance due to the moisture of the crushed pieces by reliably clamping and crushing regardless of the type of grain, and a pair of electrodes It is possible to improve the separation characteristics of the crushing pieces adhering to the peripheral surface of the roll, eliminate the error factor at the time of single grain moisture measurement, and contribute to the improvement of measurement accuracy. An electrode roll structure can be realized and provided.

  According to the invention described in claim 2, the configuration is the same as that of the invention described in claim 1, and the number of protrusions of the mountain-shaped portion when viewed in the direction of the rotation axis is six with six rotation-direction V-shaped grooves. In addition to being able to take out the electric signal (moisture measurement signal) according to the electric resistance due to the moisture of the crushed pieces by reliably pinching and crushing regardless of the type of grain, the peripheral surfaces of the pair of electrode rolls The electrode roll structure for single grain moisture measurement of cereals that can improve the separation characteristics of crushing pieces adhering to the surface, eliminate the error factor at the time of single grain moisture measurement, and contribute to the improvement of measurement accuracy Can be realized and provided.

  According to the invention described in claim 3, in the invention according to claim 1 or 2, the plurality of rotation direction V-shaped grooves in the pair of electrode rolls and the mountain-shaped portions in the pair of electrode rolls are grains. Since they are arranged opposite each other in the crushing area, even if the position of the grain for each single grain supplied to the grain crushing area is shifted or the size of the grain is different, it is supplied individually. Therefore, it is possible to realize and provide an electrode roll structure for measuring the moisture content of a single grain of a cereal that can always exert a pinching crushing function on the cereal grain.

  According to the invention described in claim 4, in the invention according to any one of claims 1 to 3, each mountain-shaped portion of the pair of electrode rolls has a quadrangular pyramid shape. It can be pinched and crushed in a state of being engulfed in the grain, and can exhibit excellent pinching and crushing performance regardless of the type of grain to be crushed, such as milled rice, brown rice, fir, barley, wheat, bare wheat, etc. It is possible to realize and provide an electrode roll structure for single grain moisture measurement of cereals.

FIG. 1 is a schematic front view showing an electrode roll structure for single grain moisture measurement of cereals according to an embodiment of the present invention. FIG. 2 is a schematic plan view showing an electrode roll structure for single grain moisture measurement of cereal according to the present embodiment. FIG. 3 is a partially enlarged plan view of a portion A in FIG. FIG. 4 is a schematic enlarged front view showing one electrode roll and one scraper in the electrode roll structure for measuring grain moisture of grains according to the present embodiment. FIG. 5 is a schematic enlarged side view showing one electrode roll and one scraper in the electrode roll structure for measuring grain moisture of grains according to this embodiment. FIG. 6 shows a number of mountain-shaped portions to which rotation direction V-shaped grooves, rotation axis direction V-shaped grooves and crushing pieces of one electrode roll are attached in the electrode roll structure for measuring grain moisture of grains according to the present embodiment. FIG. FIG. 7 is a block diagram showing a schematic configuration of a single grain moisture measuring device employing an electrode roll structure for grain single grain moisture measurement according to the present embodiment. FIG. 8 is a schematic front view showing a conventional electrode roll structure for single grain moisture measurement of cereals. FIG. 9 is a schematic side view showing one electrode roll and one scraper in a conventional electrode roll structure for measuring grain moisture of grains. FIG. 10 is a schematic enlarged side view of a conventional electrode roll for single grain moisture measurement of cereals. FIG. 11 is a partially enlarged plan view of a portion B in FIG. FIG. 12 is a schematic enlarged side view of another example of a conventional electrode roll for measuring grain moisture of cereals. 13 is a partially enlarged plan view of a portion C in FIG. FIG. 14 is a schematic enlarged side view of still another example of a conventional electrode roll for measuring grain moisture of cereals. FIG. 15 is a partially enlarged plan view of a portion D in FIG.

  The present invention is for grain moisture measurement of cereals that improves the separation characteristics of the crushing pieces adhering and remaining in a pair of electrode roll peripheral grooves and the like, eliminates the cause of error, and ensures the measurement accuracy at the time of moisture measurement. The electrode roll structure is provided with an electrode roll made of a pair of conductive materials facing each other so as to form a grain crushing region with a predetermined interval between the peripheral surfaces, and is supplied to the grain crushing region Single Grain Moisture Measurement of Grains that Allow Grains for Each Single Grain to be Crushed and Crushed by Rotation of the Pair of Electrode Rolls to Extract an Electrical Signal According to the Electric Resistance Due to the Moisture of the Crush Pieces from the Pair of Electrode Rolls And a pair of electrode rolls, each of which has six continuous V-shaped grooves in the circumferential direction parallel to the rotation direction, and the rotation axis of the electrode roll on each circumferential surface. Whole parallel direction A plurality of rotation-axis-direction V-shaped grooves are continuously formed, and are defined by the six rotation-direction V-shaped grooves and the rotation-axis-direction V-shaped grooves on the entire peripheral surfaces of the pair of electrode rolls. The number of protrusions as viewed in the direction of the rotation axis is set to a large number of mountain-shaped portions arranged in a row, and at the position excluding the grain crushing region between the pair of electrode rolls, the six strips of the pair of electrode rolls This is realized by a configuration in which scrapers each having a V-shaped groove and a continuous V-shaped concavo-convex portion that scrapes remaining crushing pieces in contact with the outer surface of the V-shaped groove and the mountain-shaped portion are arranged.

  Hereinafter, an electrode roll structure for measuring grain moisture of grains according to an embodiment of the present invention will be described in detail with reference to FIGS.

  As shown in FIGS. 1 to 3, the electrode roll structure for measuring single grain moisture of cereals according to the present embodiment has a rotating shaft in which a pair of electrode rolls 1 and 2 made of a conductive material are arranged in parallel at regular intervals. While being supported rotatably by 3 and 4, the peripheral surfaces of a pair of electrode rolls 1 and 2 are opposed to each other so as to form a grain crushing region 10 with a predetermined interval therebetween.

  Then, the pair of electrode rolls 1 and 2 are rotationally driven in the direction of the arrow shown in FIG. 1, and the grain M for each single grain supplied to the grain crushing region 10 is rotated by the pair of electrode rolls 1 and 2. Thus, a pair of conductors 5 connected to the rotating shafts 3 and 4 of the pair of electrode rolls 1 and 2 by crushing and crushing between these peripheral surfaces and connecting an electrical signal (moisture measurement signal) corresponding to the electrical resistance due to the moisture of the crushed piece Ma. , 6 is used for extraction.

  Examples of the type of grain M include grains of various cereals such as polished rice, brown rice, fir, barley, wheat, bare barley, and soybeans and corn.

Each of the pair of electrode rolls 1 and 2 is formed by continuously forming a plurality of, for example, six rotation-direction V-shaped grooves 7 at the same groove pitch on the circumferential surface in parallel with the rotation direction, A plurality of rotation-axis-direction V-shaped grooves 8 are continuously formed on the entire circumferential surface in the parallel direction at the same groove pitch, and the rotation directions V are formed on the entire circumferential surfaces of the pair of electrode rolls 1 and 2. For example, a large number of mountain-shaped portions 9 each having a quadrangular pyramid shape defined by the V-shaped grooves 7 and the V-shaped grooves 8 in the respective rotation axis directions are arranged in a line.
A rotation direction V-shaped groove 7, a rotation axis direction V-shaped groove 8 and a large number of mountain-shaped portions 9 formed on the peripheral surface of the electrode roll 1 are shown in an enlarged manner in FIG. 6.

  In this embodiment, as shown in FIGS. 2 and 3, six rotation-direction V-shaped grooves 7 are formed, and the rotation-axis-direction V-shaped grooves 8 are formed on the peripheral surfaces of the pair of electrode rolls 1 and 2. The example formed over the whole is shown.

  Thereby, it has comprised so that the number of protrusions seen in the rotating shaft direction of the mountain-shaped part 9 in the pair of electrode rolls 1 and 2 may be seven.

  In this embodiment, as shown in FIG. 1, a position excluding the grain crushing region 10 between the pair of electrode rolls 1, 2, for example, the rotating shafts 3, 4 of the pair of electrode rolls 1, 2. A continuous V-shape that scrapes remaining crushing pieces in contact with the outer surfaces of the six rotation-direction V-shaped grooves 7 of the pair of electrode rolls 1 and 2 and the mountain-shaped portion 9 at a position outside the position directly below A pair of scrapers 11 and 12 each having an uneven portion 13 are disposed.

  The arrangement of the pair of scrapers 11 and 12 is not limited to the example shown in FIG. 1, and can be appropriately positioned excluding the grain crushing region 10 and its vicinity region.

  4 and 5 show an enlarged view of one electrode roll 1 and one scraper 11 of the pair of electrode rolls 1 and 2.

  As shown in FIG. 5, the continuous V-shaped concavo-convex portion 13 includes six ridges corresponding to the six rotation direction V-shaped grooves 7 of the pair of electrode rolls 1 and 2, and seven ridge shapes. 7 valleys corresponding to the portion 9 are connected to each other.

  Further, in this embodiment, as shown in FIGS. 2 and 3, in the pair of electrode rolls 1 and 2 disposed opposite to each other with the grain crushing region 10 interposed therebetween, six rotation direction V-shaped grooves 7 are provided. , 7 are opposed to each other, and the seven mountain-shaped portions 9, 9 protruding in the rotation axis direction are opposed to each other.

  Next, operation | movement of the electrode roll structure for the single grain moisture measurement of the grain which concerns on a present Example is demonstrated with the effect mainly focusing on the pinching crushing effect | action of the grain M. FIG.

  In the electrode roll structure for measuring grain moisture of cereals in this embodiment, a predetermined voltage is applied to the pair of electrode rolls 1 and 2 via the pair of conductive wires 5 and 6 and the rotating shafts 3 and 4. When the grain M is supplied to the grain crushing region 10 from above the pair of electrode rolls 1 and 2 while the electrode rolls 1 and 2 are rotationally driven in the direction of the arrow shown in FIG. A large number of quadrangular pyramid mountain-shaped portions 9 (the number of protrusions viewed in the direction of the rotation axis is defined by the six rotation direction V-shaped grooves 7 and the rotation axis direction V-shaped grooves 8 of the rolls 1 and 2. 7), the mountain-shaped portions 9 having a plurality of quadrangular pyramids that come into contact with the outer periphery of the grain M are bitten into the grain M so that the grain M is sandwiched and crushed. To do.

  In this case, since each of the mountain-shaped portions 9 has a shape of a quadrangular pyramid, the mountain-shaped portion regardless of the type of grain M to be crushed, such as polished rice, brown rice, fir, barley, wheat, and bare wheat. 9 can be sandwiched and crushed in a state where it is bitten into the grain M, and excellent clamping and crushing performance can be exhibited regardless of the kind of the grain M.

  Further, as described above, in the present embodiment, the rotation direction V-shaped groove 7 is made to face the grain crushing region 10 with the six rotation directions V-shaped grooves 7 of the pair of electrode rolls 1 and 2 facing each other. In this arrangement, the mountain-shaped portions 9 having the number of protrusions of 7 are opposed to each other.

  Therefore, when the position of the grain M for each single grain supplied to the grain crushing region 10 is displaced in the rotational axis direction in the grain crushing region 10 or the size of the grain M is different. Even in such a case, any one of the mountain-shaped portions 9 in contact with the outer peripheral portion of the grain M of the seven mountain-shaped portions 9 bites into the grain M so that the grain M is Clamping and crushing can be reliably performed, and the crushing and crushing function for the grains M supplied one by one can always be exhibited accurately.

  At the time of sandwiching and crushing the grain M described above, the pair of electrode rolls 1 and 2 are in a conductive state via the crushing piece Ma, and an electric resistance according to the moisture of the crushing piece Ma and a current corresponding to the predetermined voltage flow. Thus, an electrical signal (moisture measurement signal) corresponding to the electrical resistance due to the moisture of the crushed pieces Ma can be taken out from both ends of the pair of conductive wires 5 and 6.

  Further, most of the crushed pieces Ma generated in the grain crushing region 10 fall downward with the rotation of the pair of electrode rolls 1 and 2 in the arrow direction shown in FIG. As partly shown in gray in FIG. 6, the rotation direction V-shaped groove 7, the rotation axis direction V-shaped groove 8, and the mountain shape of the portion of the pair of electrode rolls 1 and 2 crushed the grain M It remains in the part 9.

  In FIG. 6, the distribution state of the portions remaining in the rotation direction V-shaped groove 7, the rotation axis direction V-shaped groove 8, and the mountain-shaped portion 9 of the crushing piece Ma (locations shown in gray in FIG. 6). Is exaggerated as compared to the case of single grain crushing alone.

  Next, when the pair of electrode rolls 1 and 2 further rotate in the direction of the arrow shown in FIG. 1, the rotation direction V-shaped groove 7, the rotation axis direction V-shaped groove 8 in which the crushing pieces Ma remain, the mountain shape The portion 9 reaches the position of the continuous V-shaped concavo-convex portion 13 in the pair of scrapers 11, 12, and remains in at least the rotational V-shaped groove 7 and the mountain-shaped portion 9 in contact with the continuous V-shaped concavo-convex portion 13. The pressed crushing piece Ma is scraped off.

  Further, when the crushing pieces Ma in the rotation direction V-shaped grooves 7 are removed, the crushing pieces Ma remaining in the rotation axis direction V-shaped grooves 8 are also affected.

  That is, when the crushing piece Ma is scraped off as described above, the scraping force is also transmitted to the crushing piece Ma remaining in the rotation axis direction V-shaped groove 8 and has already been rotated in the rotation axis direction V-shaped groove 8. The crushing piece Ma having a small fixed area with respect to the surface is pulled or lifted up to be in an unstable state, and is eventually detached from the V-shaped groove 8 in the rotation axis direction.

  According to the electrode roll structure for measuring the single grain moisture of the cereal according to the present embodiment, the both ends of the pair of conductors 5 and 6 are securely clamped and crushed regardless of the type of the grain M based on the above-described action. An electric signal (moisture measurement signal) corresponding to the electrical resistance due to the moisture of the crushed pieces Ma can be taken out from the crushed pieces Ma, and the crushed pieces Ma remaining on the peripheral surfaces of the pair of electrode rolls 1 and 2 after the crushing of the grain M Can be improved, and it is possible to eliminate an error factor in the subsequent single grain moisture measurement and contribute to the improvement of measurement accuracy.

  Moreover, according to the electrode roll structure for measuring the single grain moisture of the cereal according to this embodiment, the rotation direction V-shaped groove 7 and the rotation axis direction V-shaped groove are formed over the entire peripheral surfaces of the pair of electrode rolls 1 and 2. 8. Since the mountain-shaped portion 9 is formed, even if the grain M for each single grain is sandwiched and crushed at any position on each peripheral surface of the pair of electrode rolls 1 and 2, the grain M Moisture measurement data can be obtained, and processing means for excluding a part of the moisture measurement data as described in Patent Document 2 is not necessary.

  Next, an outline of the single grain moisture measuring device 21 configured by adopting the above-described electrode roll structure for grain single grain moisture measurement of this embodiment will be described with reference to FIG.

  A single grain moisture measuring device 21 shown in FIG. 7 includes a control unit 22 that performs overall control of the single grain moisture measuring device 21, a program memory 23 that stores an operation program of the single grain moisture measuring device 21, and a pair of The pair of electrode rolls 1 and 2 is connected to the pair of electrode rolls 1 and 2 via an electrode roll rotation driving means 24 for rotating and driving the electrode rolls 1 and 2 and lead wires 5 and 6 connected to the rotation shafts 3 and 4 of the pair of electrode rolls 1 and 2. While applying a predetermined voltage, an electric signal (moisture measurement signal) corresponding to the electric resistance due to the moisture of the crushed pieces Ma is applied to the pair of electrode rolls 1, 2, the pair of rotating shafts 3, 4, and the pair of conductors 5, 6. Moisture measurement circuit unit 25 for obtaining the electrical resistance value of grain M for each grain and outputting it as moisture measurement data for each grain, start, stop button, time display / setting button, grain M grain type setting button, measurement An operation input unit 26 including a setting button for the number of grains M to be performed, a display setting button for a histogram based on measurement results, and a display unit 27 including a liquid crystal display or a fluorescent display tube for displaying various measurement results The moisture measurement data storage unit 28 stores the moisture measurement data for each single grain from the moisture measurement circuit unit 25 sequentially in association with the grain type and the measurement time, and the many stored in the moisture measurement data storage unit 28. Moisture measurement data calculation processing unit 29 for obtaining the number of measured grains, individual moisture value, average moisture value, standard deviation, moisture distribution (histogram), etc., based on the moisture measurement data for each single grain, and moisture measurement data calculation processing unit A processing result storage unit 30 for storing the processing results of 29, a computer interface 32 for transmitting the processing results to the personal computer 31, for example, And a processing result processing result of the partial measurement data processing unit 29 to the printer 33 for printing out the printer interface 34 for data transmission, a.

  The single grain moisture measuring device 21 is further provided with a hopper and a single grain for sending a large number of grains M to the grain crushing region 10 between the pair of electrode rolls 1 and 2 in order, although details are omitted. A single grain feeding system 35 having a feeding mechanism and the like, and a crushing piece carrying system 36 having a carrying tray and the like for carrying out a crushing piece Ma to be crushed and processed in the grain crushing region 10 between the pair of electrode rolls 1 and 2. It has.

  According to the single grain moisture measuring device 21, the grain M is fed into the grain crushing area 10 between the pair of electrode rolls 1 and 2 from the single grain feeding system 35, and the existing in the grain crushing area 10. Grain crushing of the grain M as described above, output of moisture measurement data of the grain M for each grain by the moisture measurement circuit unit 25, number of grains measured by the moisture measurement data calculation processing unit 29, individual moisture value, average moisture value Through the standard deviation, moisture distribution (histogram), etc., the display unit 27 can display the measurement result, send the measurement result to the personal computer 31, and print out the measurement result by the printer 33.

  In this case, as described above, the rotational direction V of the peripheral surfaces of the pair of electrode rolls 1 and 2 regardless of the type of various grains M, such as milled rice, brown rice, fir, barley, wheat, bare wheat, soybean, corn, etc. There is an excellent effect that it is possible to improve the separation characteristics of the crushing pieces Ma adhering and remaining on the letter-shaped grooves 7, the mountain-shaped portions 9 and the like, eliminate the error factor, and ensure the measurement accuracy at the time of moisture measurement.

  The electrode roll structure for measuring grain moisture of cereals of the present invention can be widely applied to a desktop type grain moisture meter or a grain moisture meter incorporated in a grain moisture dryer. In addition, the electrode roll structure for measuring the single grain moisture of the cereal according to the present invention is for crushing treatment of each grain of various grains such as milled rice, brown rice, fir, barley, wheat, barley, soybean, corn and the like. As a broad application.

DESCRIPTION OF SYMBOLS 1 Electrode roll 2 Electrode roll 3 Rotating shaft 4 Rotating shaft 5 Conductor 6 Conductor 7 Rotating direction V-shaped groove 8 Rotating shaft direction V-shaped groove 9 Mountain-shaped part 10 Grain crushing area 11 Scraper 12 Scraper 13 Continuous V-shaped unevenness Unit 21 Single Grain Moisture Measuring Device 22 Control Unit 23 Program Memory 24 Electrode Roll Rotation Drive Unit 25 Moisture Measurement Circuit Unit 26 Operation Input Unit 27 Display Unit 28 Moisture Measurement Data Accumulation Storage Unit 29 Moisture Measurement Data Calculation Processing Unit 30 Processing Result Storage Unit 31 Personal Computer 32 Computer Interface 33 Printer 34 Printer Interface 35 Single Grain Feeding System 36 Crushing Piece Unloading System M Grain Ma Crushing Piece

Claims (4)

An electrode roll made of a pair of conductive materials arranged so as to form a grain crushing region with a predetermined interval between the peripheral surfaces is provided, and the grain for each single grain supplied to the grain crushing region The electrode roll structure for single grain moisture measurement of cereals, which can be taken out from the pair of electrode rolls by sandwiching crushing by rotation of the electrode roll and taking out the electrical signal according to the electrical resistance due to moisture of the crushed pieces,
Each of the pair of electrode rolls continuously forms a plurality of rotation direction V-shaped grooves in parallel with the rotation direction on the peripheral surface, and a plurality of strips also in the entire direction parallel to the rotation axis of the electrode roll on each peripheral surface. A plurality of mountain shapes defined by the rotation direction V-shaped grooves and the rotation axis direction V-shaped grooves on the entire peripheral surfaces of the pair of electrode rolls by continuously forming the rotation axis direction V-shaped grooves. The parts are arranged in rows,
Continuously scraping crushing pieces remaining in contact with the outer surfaces of the plurality of rotation direction V-shaped grooves of the pair of electrode rolls and the mountain-shaped portion at a position excluding the grain crushing region between the pair of electrode rolls. Arranging the scrapers each having a V-shaped uneven part,
An electrode roll structure for single grain moisture measurement of cereals. An electrode roll made of a pair of conductive materials arranged so as to form a grain crushing region with a predetermined interval between the peripheral surfaces is provided, and the grain for each single grain supplied to the grain crushing region The electrode roll structure for single grain moisture measurement of cereals, which can be taken out from the pair of electrode rolls by sandwiching crushing by rotation of the electrode roll and taking out the electrical signal according to the electrical resistance due to moisture of the crushed pieces,
Each of the pair of electrode rolls continuously forms six rotation-direction V-shaped grooves on the circumferential surface parallel to the rotation direction, and each of the plurality of strips is also formed in the entire direction parallel to the rotation axis of the electrode roll on each circumferential surface. A rotation-axis-direction V-shaped groove is continuously formed, and is defined by the six rotation-direction V-shaped grooves and the rotation-axis-direction V-shaped grooves on the entire peripheral surfaces of the pair of electrode rolls. A shape in which a large number of mountain-shaped portions with 7 protrusions as viewed in the direction are arranged in a row,
Continuously scraping the remaining crushed pieces in contact with the outer surface of the six-shaped V-shaped grooves and the mountain-shaped portions of the pair of electrode rolls at a position excluding the grain crushing region between the pair of electrode rolls. Arranging the scrapers each having a V-shaped uneven part,
An electrode roll structure for single grain moisture measurement of cereals.   In the pair of electrode rolls arranged opposite to each other across the grain crushing region, the rotation direction V-shaped grooves have the same groove pitch, the rotation direction V-shaped grooves in the pair of electrode rolls, and the pair of electrode rolls The electrode roll structure for single grain moisture measurement of cereals according to claim 1 or 2, wherein the mountain-shaped portions are arranged to face each other in the grain crushing region.   4. The electrode roll structure for measuring single grain moisture of cereals according to claim 1, wherein a plurality of mountain-shaped portions in the pair of electrode rolls are in a quadrangular pyramid shape. 5.

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