WO2020179061A1 - Moisture measurement device - Google Patents
Moisture measurement device Download PDFInfo
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- WO2020179061A1 WO2020179061A1 PCT/JP2019/009117 JP2019009117W WO2020179061A1 WO 2020179061 A1 WO2020179061 A1 WO 2020179061A1 JP 2019009117 W JP2019009117 W JP 2019009117W WO 2020179061 A1 WO2020179061 A1 WO 2020179061A1
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- WIPO (PCT)
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- grain
- moisture
- temperature sensor
- measuring device
- temperature
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/045—Circuits
- G01N27/046—Circuits provided with temperature compensation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/043—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a granular material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/048—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance for determining moisture content of the material
Definitions
- the present invention relates to a moisture measuring device for measuring the moisture content of grains.
- this type of moisture measuring device for example, a grain dryer for drying grains is provided, and in order to confirm the degree of drying of grains, the moisture content of the grains is a part of the stored grains. It is known to measure the amount of water contained in the grain (see, for example, Patent Document 1).
- the moisture measuring device is provided with a moisture measuring mechanism including a pair of rollers and a measuring unit for measuring the electric resistance value between the paired rollers.
- the moisture measuring device in the moisture measuring mechanism, crushes the grain between the outer peripheral surfaces of the pair of rollers, and by measuring the electric resistance value between the pair of rollers by the measuring unit, the grain in the crushed state is obtained. The amount of water contained is measured electrically.
- the water content measuring device cannot accurately measure the water content of the grain only by measuring the electric resistance value when crushing a part of the grain. Therefore, the water content measuring device uses the temperature measured by the temperature sensor provided on the substrate of the main body as the temperature of the grain, and corrects the water content of the grain based on the temperature.
- a moisture measuring device provided with a temperature sensor and a measuring unit for measuring the moisture content of grains on a substrate
- temperature data in the moisture measuring device is supplied from the temperature sensor to the measuring unit.
- the measurement unit corrects the water content of the grain by the following (Formula 1).
- Corrected grain water content uncorrected grain water content + A ⁇ (Equation 1)
- the moisture measuring device cannot correct the moisture content of the grain. As a result, it is not possible to measure the more accurate water content of the grain.
- the present invention is a moisture measuring device for measuring the moisture content of a grain, which is provided on a substrate for controlling the moisture measuring device and measures the temperature inside the moisture measuring device.
- the section is characterized by correcting the moisture content of the measured grain based on the temperature measured by the first temperature sensor and the temperature measured by the second temperature sensor.
- the moisture measuring device of the present invention the temperature measured by the first temperature sensor provided on the substrate and the temperature measured by the second temperature sensor measuring the temperature of the space through which the grain passes. Since the water content of the grain is corrected based on and, a more accurate water content of the grain can be measured.
- the moisture measuring device 10 of the present invention is provided in the grain dryer 1 as shown in FIG.
- the grain dryer 1 includes a storage unit 2 for storing grains, a drying unit 3 for drying grains, a grain collecting unit 4 for collecting grains falling from the drying unit 3, and a grain collecting unit 4. It is provided with a fried grain portion 5 for returning the collected grain to the storage portion 2, and a flow grain barrel 7 for sending the grain from the grain collection portion 4 to the fried grain portion 5.
- the storage unit 2 is located on the upper side of the grain dryer 1 and stores grains.
- the drying unit 3 is provided below the storage unit 2 and heats the grain falling from the storage unit 2 by the circulation operation by, for example, far-infrared rays or hot air to reduce moisture contained in the grain.
- the grain collecting unit 4 is provided below the drying unit 3 and collects the grains falling from the drying unit 3 by the circulation operation.
- the fried grain unit 5 is provided so as to extend vertically on the side surfaces of the storage unit 2, the drying unit 3, and the grain collection unit 4, conveys the grain collected in the grain collection unit 4 upward, and Release to the top. Further, at the lower part of the fried grain section 5, an input port 6 for inputting grains to be dried by the grain dryer 1 is provided. The grain input from the input port 6 is conveyed upward by the fried grain unit 5 and discharged to the upper part of the storage unit 2. Further, a discharging unit for discharging the grains contained in the internal space is provided above the fried grain unit 5.
- the grain shedding cylinder 7 is provided at a position in contact with the right end of the grain collecting unit 4.
- the grain shedding cylinder 7 forms a delivery path for delivering grains from the grain collecting unit 4 to the fried grain unit 5.
- the grain collecting unit 4 has a transport mechanism 401 that transports the falling grain to the grain shedding cylinder 7.
- the transport mechanism 401 has teeth that spirally protrude with respect to the rotation axis, and the rotation of the teeth causes the descending grain to be transported from the left side to the right side in FIG. In this way, the grain is transported from the grain collecting section 4 to the drifting grain tube 7, and is sent from the flowing grain section 7 to the frying section 5.
- the grain dryer 1 configured as described above is configured to circulate grains in the order of the storage unit 2, the drying unit 3, the grain collecting unit 4, the grain mixing cylinder 7, and the fried grain unit 5.
- the water content measuring device 10 of the present invention is attached to the lower side of the side of the fried grain portion 5 extending in the vertical direction, that is, the lower side of one side of the grain dryer 1.
- the water content measuring device 10 measures, as the water content of the grain, the water content contained in a part of the grain of the grain that is conveyed upward in the fried grain unit 5 every predetermined time.
- the “water content” is “weight of water”, “volume of water”, and “weight of water” which is a ratio (ratio) of the weight of water of the grain to the weight of the whole grain. It may mean either “ratio” or “water volume ratio” which is the ratio (ratio) of the water content of the grain to the total volume of the grain.
- the grain dryer 1 detects that the moisture content of the grain measured by the moisture measuring device 10 has reached a preset moisture content during the grain drying operation, and the drying unit 3 and the grain collecting unit It is possible to stop the operation of 4 and the frying section 5.
- the moisture measuring device 10 is provided with a housing 20 formed so as to project from the side surface of the fried portion 5, and is provided in the housing 20 to measure the amount of moisture contained in the grain. It is provided with a water content measuring mechanism 30 for measuring the water content and a grain supply mechanism 40 for supplying grains to the water content measuring mechanism 30.
- the housing 20 has a box shape extending vertically. As shown in FIG. 3, the housing 20 is attached to the side wall of the fried portion 5 with the first side surface 21 facing the fried portion 5. The bottom surface 22 of the housing 20 is inclined downward from the second side surface 23 facing the first side surface 21 toward the first side surface 21. The third side surface 24 adjacent to the first side surface 21 of the housing 20 is provided with a peep window 24a for allowing the inside of the housing 20 to be visually recognized from the outside.
- the inside of the housing 20 is divided into a first space 20a on the third side surface 24 side and a second space 20b on the fourth side surface 25 side facing the third side surface 24 by the partition wall 26. It is partitioned.
- An inlet 21a for taking in grain is provided in an upper portion of the first side surface 21 of the housing 20 on the first space 20a side.
- a discharge port 21b for discharging the grain of which the moisture content is measured by the moisture measurement mechanism 30 is provided in the lower portion of the first side surface 21 of the housing 20 on the first space 20a side. ing.
- the moisture measuring mechanism 30 is provided for each grain size for measuring the moisture content, and has a plurality of moisture measuring units 31 for crushing the grains and a plurality of moisture measuring units. It has an electric motor 32 as a power source for driving 31 and a driving force transmission mechanism 33 for transmitting the driving force of the electric motor 32 to the plurality of moisture measuring units 31.
- the plurality of moisture measuring units 31 include a first rotating shaft 31a and a second rotating shaft 31b that are driven by the driving force of the electric motor 32, a first roller 31c supported by the first rotating shaft 31a, and a second rotating shaft.
- the electric resistance value is measured between the second roller 31d and the third roller 31e supported by the shaft 31b, the first roller 31c and the second roller 31d, or between the first roller 31c and the third roller 31e.
- a measuring unit 31f that operates.
- a substrate 31 g for controlling the moisture measuring device 10 is provided inside the housing 20.
- the substrate 31g is supported by the support members 34a, 34b by being fixed to the support members 34a, 34b protruding vertically from the first side surface 21 of the housing 20 with a fixing member such as a bolt.
- a measuring unit 31f is provided on the substrate 31g.
- a temperature sensor 31h capable of measuring the temperature inside the moisture measuring device 10 is provided on the substrate 31g.
- the temperature sensor 31h is composed of, for example, a diode.
- the first rotating shaft 31a and the second rotating shaft 31b are made of metal, respectively, and are arranged so that their central axes are parallel to each other in the horizontal direction in the first space 20a, as shown in FIGS. 4 and 5. Has been done.
- One end side of each of the first rotating shaft 31a and the second rotating shaft 31b is rotatably supported by the partition wall 26.
- the first roller 31c is a metal cylindrical member fixed to the outer periphery of the first rotating shaft 31a.
- the outer peripheral portion of the first roller 31c is subjected to, for example, rolling knurling such as crocheting.
- a rotating brush 31c1 and a scraper 31c2 are provided near the first roller 31c for removing debris of the grain adhering to the outer peripheral surface of the first roller 31c.
- the second roller 31d is a metal cylindrical member fixed to the outer peripheral portion of the second rotating shaft 31b.
- the axial dimension of the second roller 31d is approximately half the axial dimension of the first roller 31c.
- a groove 31d1 is formed on the outer peripheral portion of the second roller 31d by, for example, rolling knurling such as slanting or flat stitching.
- the groove 31d1 is formed with a depth dimension capable of crushing small grains such as paddy and wheat between the outer peripheral portion of the first roller 31c and the outer peripheral portion of the second roller 31d.
- the third roller 31e is a metal cylindrical member fixed to the outer peripheral portion of the second rotating shaft 31b.
- the axial dimension of the third roller 31e is approximately half the axial dimension of the first roller 31c, and is substantially the same as the axial dimension of the second roller 31d.
- a groove 31e1 is formed on the outer peripheral portion of the third roller 31e by, for example, cutting knurling such as slanting or flattening.
- the groove 31e1 is deeper than the groove 31d1 of the second roller 31d, which is capable of crushing large grains such as soybeans and corn between the outer circumference of the first roller 31c and the outer circumference of the third roller 31e. It is formed to a size.
- the second roller 31d and the third roller 31e are arranged in the axial direction of the second rotating shaft 31b.
- the plurality of moisture measuring units 31 define a first moisture measuring unit 31A between the outer peripheral portion of the first roller 31c and the outer peripheral portion of the second roller 31d, and the outer peripheral portion of the first roller 31c and the third roller 31c.
- a portion between the outer peripheral portion of 31e and the outer peripheral portion is formed as a second moisture measuring portion 31B.
- each of the plurality of moisture measuring units 31 has a foreign matter removing structure for removing the foreign matter when a foreign matter such as a stone or a metal piece different from the grain is supplied.
- the foreign matter removing structure is configured such that a part of the outer peripheral portion of the first roller 31c, a part of the outer peripheral portion of the second roller 31d and the third roller 31e, or an outer periphery of the first roller 31c, the second roller 31d and the third roller 31e. It is formed by subjecting a part of the portion to a flat surface, which is so-called D-cut processing.
- the foreign matter is transferred to the rollers 31c, 31d, 31e.
- the rotation of the first rotary shaft 31a and the second rotary shaft 31b is regulated by being bitten into.
- the state in which the rotations of the first rotating shaft 31a and the second rotating shaft 31b are restricted is detected, and the water content of the first rotating shaft 31a and the second rotating shaft 31b is measured when the water content is measured.
- the first rotating shaft 31a and the second rotating shaft 31b are rotated in the direction opposite to the rotating direction.
- the foreign matter put into the moisture measuring unit 31 has a gap formed by D-cut between the first roller 31c and the second roller 31d or between the first roller 31c and the third roller 31e. Is dropped and removed from the moisture measuring unit 31.
- the measuring unit 31f measures the electric resistance value between the first measuring point 31f1 connected to the first rotating shaft 31a and the second measuring point 31f2 connected to the second rotating shaft 31b. To do.
- the measurement unit 31f is arranged between the first measurement point 31f1 and the first measurement point 31f1 while the grain is sandwiched between the first roller 31c and the second roller 31d or between the first roller 31c and the third roller 31e.
- An electric circuit is formed between the two measurement points 31f2.
- the measurement unit 31f measures the amount of water contained in the grain by detecting the electric resistance value between the first measurement point 31f1 and the second measurement point 31f2. In addition, the measurement unit 31f corrects the measured water content contained in the grain by the method described below.
- the electric motor 32 is provided in the upper part of the first space 20a and is fixed to the partition wall 26.
- the driving force transmission mechanism 33 is connected to the rotating shaft of the electric motor 32. Further, the driving force transmission mechanism 33 is connected to the first rotating shaft 31a and the second rotating shaft 31b. The driving force transmission mechanism 33 is provided in the second space 20b and fixed to the partition wall 26.
- the grain supply mechanism 40 is formed with a hopper 41 into which grains are inserted and a plurality of communication passages 42a and 42b communicating with each other in the hopper 41 and the plurality of moisture measuring units 31.
- the communication member 42 and the grain moving plate 43 as a plurality of grain moving members for moving the grain thrown into the hopper 41 to a predetermined communicating path in the hopper 41 are provided.
- the housing 20 is attached to the side wall of the fried grain portion 5 with the first side surface 21 facing the fried grain portion 5. Therefore, the hopper 41 is provided so as to be exposed in the internal space of the fried grain portion 5 on the upper side of the housing 20.
- the hopper 41 has a tubular shape with one end closed and the other end open. A part of the hopper 41 projects into the internal space of the fried grain portion 5 via the intake port 21a, and one end side of the tubular shape is directed obliquely downward. The opening on the other end side of the hopper 41 is directed obliquely upward in the fried grain portion 5.
- the hopper 41 is provided with a closing plate 41a that closes a part of the opening on the other end side in order to suppress the amount of grain input from the fried grain section 5 into the hopper 41.
- the communication member 42 is a member in which a passage is formed that communicates with one end of the hopper 41 and above the plurality of moisture measuring units 31. Specifically, when viewed from the first side surface 21 side of the housing 20, a first communication passage 42a that communicates the hopper 41 and the first moisture measuring unit 31A is formed on the right side, and the hopper 41 and the second moisture measuring unit are on the left side. A second communication passage 42b that communicates with 31B is formed.
- a temperature sensor 44 is provided at a position on the first side surface 21 exposed in the internal space of the fried grain portion 5 and directly below the hopper 41.
- the temperature sensor 44 is composed of, for example, a diode.
- the temperature sensor 44 is a temperature sensor for measuring the temperature of the internal space of the fried grain portion 5. When the grain is conveyed from below to above by the fried portion 5, that is, when the grain passes through the internal space of the fried portion 5 from below to above, the temperature sensor 44 measures the temperature of the internal space. To do.
- the reason for providing the temperature sensor 44 on the first side surface 21 exposed in the internal space of the fried grain portion 5 and directly below the hopper 41 is as follows: (1) Arrangement at various positions to obtain temperature data As a result of the experiment, optimum temperature data could be obtained at this position. (2) In the internal space of the fried portion 5, it is difficult for the grain passing from the bottom to the top to come into contact with the temperature sensor 44. Reasons such as being able to prevent damage to the sensor 44 can be mentioned.
- the temperature sensor 44 is connected to the measuring unit 31f on the substrate 31g by a cord or the like. As a result, the temperature data measured by the temperature sensor 44 is supplied to the measuring unit 31f. Further, the measurement unit 31f is supplied with the data of the temperature inside the moisture measuring apparatus 10 measured by the temperature sensor 31h provided on the substrate 31g.
- the measuring section 31f is measured by the temperature of the internal space of the fried grain section 5 through which the grain passes, which is measured by the temperature sensor 44 provided directly below the hopper 41, and the temperature sensor 31h provided on the substrate 31g.
- the amount of water in the grain measured by detecting the electric resistance value is corrected based on the temperature inside the measured water content measuring device 10.
- the measurement unit 31f is supplied with data on the temperature inside the moisture measuring device 10 from the temperature sensor 31h on the substrate 31g, and the grain of the fried portion 5 passes from the temperature sensor 44 immediately below the hopper 41.
- the water content of the grain measured by the detection of the electric resistance value is corrected by the following (Equation 2).
- Water content of grain after correction Water content of grain before correction + B + C (Equation 2)
- C correction value by the temperature of the internal space of the fried grain portion 5 through which the grain measured by the temperature sensor 44 passes
- the moisture measuring device 10 not only measures the temperature inside the moisture measuring device 10 measured by the temperature sensor 31h, but also the temperature inside the fried grain portion 5 through which the grain measured by the temperature sensor 44 passes. Also, by using the above (Equation 2), the moisture content of the grain measured by detecting the electric resistance value is corrected. Thereby, the moisture measuring device 10 measures the more accurate moisture content of the grain even when there is a difference between the temperature measured by the temperature sensor 31h and the temperature measured by the temperature sensor 44. can do.
- the temperature sensor 44 is provided on the first side surface 21 exposed in the internal space of the fried portion 5 and directly below the hopper 41. According to such a moisture measuring device 10, unlike the moisture measuring device that corrects the moisture content of the grain using the temperature measured by the temperature sensor in the grain shed, for example, the temperature of the grain is directly measured. Even without using the grain, a more accurate moisture content of the grain can be measured by using the temperature of the internal space of the fried grain portion 5 through which the grain passes. As a result, according to the moisture measuring device 10, it is not necessary to extend and connect the cord or the like from the moisture measuring mechanism to the temperature sensor in the grain cylinder. Therefore, according to the water content measuring device 10, the water content measurement mechanism and the temperature sensor in the grain rolling container must be connected, and there is no problem that the wiring work by the operator at that time is complicated.
- the moisture measuring device 10 uses the temperature of the internal space of the fried portion 5 in correcting the moisture content of the grain, a more accurate moisture content of the grain can be obtained regardless of the grain amount. Can be measured.
- the moisture measuring device 10 since it is possible to measure an accurate moisture content of grain without performing a complicated wiring work, it is possible to realize a highly versatile moisture measuring device.
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Abstract
Description
補正後の穀粒の水分量=補正前の穀粒の水分量+A・・(式1)
A:基板上の温度センサーによって測定された水分測定装置内部の温度による補正値 Specifically, in a moisture measuring device provided with a temperature sensor and a measuring unit for measuring the moisture content of grains on a substrate, temperature data in the moisture measuring device is supplied from the temperature sensor to the measuring unit. Then, the measurement unit corrects the water content of the grain by the following (Formula 1).
Corrected grain water content = uncorrected grain water content + A · (Equation 1)
A: Correction value based on the temperature inside the moisture measuring device measured by the temperature sensor on the board
補正後の穀粒の水分量=補正前の穀粒の水分量+B+C・・(式2)
B:温度センサー31hによって測定された水分測定装置10内部の温度による補正値、C:温度センサー44によって測定された穀物が通過している揚穀部5の内部空間の温度による補正値 Specifically, the
Water content of grain after correction = Water content of grain before correction + B + C (Equation 2)
B: correction value by the temperature inside the
Claims (3)
- 穀物の水分量を測定する水分測定装置であって、
前記水分測定装置を制御する基板上に設けられ、前記水分測定装置内の温度を測定する第1の温度センサーと、
穀物が通過している空間の温度を測定する第2の温度センサーと、
前記空間を通過した穀物の一部の穀粒の水分量を測定する水分測定部とを備え、
前記水分測定部は、前記第1の温度センサーによって測定された温度と、前記第2の温度センサーによって測定された温度とに基づいて、測定した穀粒の水分量を補正する
水分測定装置。 A moisture measuring device for measuring the moisture content of a grain,
A first temperature sensor that is provided on a substrate that controls the moisture measuring device and that measures a temperature in the moisture measuring device;
A second temperature sensor that measures the temperature of the space through which the grain is passing,
A moisture measuring unit that measures the moisture content of a part of the grains of the grain that has passed through the space,
The water content measuring unit corrects the water content of the measured grain based on the temperature measured by the first temperature sensor and the temperature measured by the second temperature sensor. - 前記穀物が通過している空間は、穀物を収容して乾燥する穀物乾燥機が備える、穀物を搬送可能な揚穀部の内部空間であり、
前記水分測定装置は、前記揚穀部に取り付けられ、
前記第2の温度センサーは、前記揚穀部の内部空間に露出する位置に設けられる
請求項1に記載の水分測定装置。 The space through which the grain passes is an internal space of a grain frying section capable of transporting the grain, which is provided in a grain dryer for accommodating and drying the grain.
The moisture measuring device is attached to the fried portion,
The moisture measuring device according to claim 1, wherein the second temperature sensor is provided at a position exposed in the internal space of the fried grain portion. - 前記水分測定装置は、水分量を測定する穀物が投入されるホッパを備え、
前記第2の温度センサーは、前記揚穀部の内部空間に露出する位置であって前記ホッパの直下に配置される
請求項2に記載の水分測定装置。 The moisture measuring device includes a hopper into which grains for measuring the amount of moisture are put,
The moisture measuring device according to claim 2, wherein the second temperature sensor is located at a position exposed to the internal space of the fried grain portion and is arranged directly below the hopper.
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KR1020217027896A KR102667621B1 (en) | 2019-03-07 | Moisture measuring device | |
PCT/JP2019/009117 WO2020179061A1 (en) | 2019-03-07 | 2019-03-07 | Moisture measurement device |
JP2021503374A JP7162806B2 (en) | 2019-03-07 | 2019-03-07 | Moisture measuring device and moisture measuring method |
CN201980093438.XA CN113518916A (en) | 2019-03-07 | 2019-03-07 | Moisture detection device |
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CN115060856A (en) * | 2022-05-25 | 2022-09-16 | 安徽大学 | Online cereal moisture survey device |
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JPS6390750A (en) * | 1986-10-02 | 1988-04-21 | Iseki & Co Ltd | Moisture measuring system for grain drying machine |
JP2004037101A (en) * | 2002-06-28 | 2004-02-05 | Iseki & Co Ltd | Apparatus for measuring moisture in grain |
JP2006038595A (en) * | 2004-07-26 | 2006-02-09 | Iseki & Co Ltd | Grain moisture measuring device of grain drier |
US20100229421A1 (en) * | 2009-03-13 | 2010-09-16 | Salisbury Noble M | Retrofit Grain Dryer Moisture Controller |
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JP6127584B2 (en) * | 2013-03-01 | 2017-05-17 | 静岡製機株式会社 | Moisture measuring device and grain dryer |
WO2020179060A1 (en) * | 2019-03-07 | 2020-09-10 | 静岡製機株式会社 | Moisture measuring device |
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2019
- 2019-03-07 CN CN201980093438.XA patent/CN113518916A/en active Pending
- 2019-03-07 JP JP2021503374A patent/JP7162806B2/en active Active
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JPS6390750A (en) * | 1986-10-02 | 1988-04-21 | Iseki & Co Ltd | Moisture measuring system for grain drying machine |
JP2004037101A (en) * | 2002-06-28 | 2004-02-05 | Iseki & Co Ltd | Apparatus for measuring moisture in grain |
JP2006038595A (en) * | 2004-07-26 | 2006-02-09 | Iseki & Co Ltd | Grain moisture measuring device of grain drier |
US20100229421A1 (en) * | 2009-03-13 | 2010-09-16 | Salisbury Noble M | Retrofit Grain Dryer Moisture Controller |
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CN115060856A (en) * | 2022-05-25 | 2022-09-16 | 安徽大学 | Online cereal moisture survey device |
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KR20210119520A (en) | 2021-10-05 |
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CN113518916A (en) | 2021-10-19 |
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