Classifications

• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
  • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
  • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
  • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
  • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
  • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
  • G01N21/47—Scattering, i.e. diffuse reflection

Definitions

• the present utility model describes a constructive arrangement in whiteness measuring equipment applied in the processing stages of grains and cereals. More specifically, it comprises a color measurement sensor, used in different stages of grain and cereal processing, being applied in the measurement of the whiteness level of flowing rice grains, and its application can be extended to other processes that require the measurement of different levels of colors.
• the whiteness metering apparatus describes a structure provided by an inlet nozzle that directs the beans to a color measurement sensor that carries out the measurement at the whiteness level and, after measurement, directs the sample to the flow of the grains through a outlet nozzle driven by electric motor.
• the equipment is managed by a control board that receives the information from the sensor and provides the data to the industrial automation system, informing the intensity of whiteness of the sample.
• the processing of the rice is composed of different unit operations, among which the burners and polishers, which are equipments responsible for the removal of the bran and polishing of the rice, and these processes guarantee a higher quality of the grains benefited.
• the whiteness gauges used to measure the whiteness, transparency and polishing of the grains are used, in order to guide the operator in the regulation of burners and polishers, thus avoiding both bulk and breaking losses.
• E05 At present, there are several whiteness meters used by the industry, but they are bench-top equipment, which depends on human intervention to collect samples of the grains and the operation of the metering equipment.
• Patent document BR202016020682-6 discloses a structure provided by an inlet nozzle which directs the beans to a color measuring sensor which carries out the measurement at the whiteness level and, after measurement, directs the sample to the flow of the grains through an electric motor-driven outlet nozzle.
• the equipment is managed by a control board that receives the information from the sensor and makes the data available to the industrial automation system, informing the whiteness intensity of the sample, in an automated way.
• the present holder has therefore made modifications to the constructive form of the equipment in order to improve efficiency and decrease the quantity of components in order to result in their own constructivity in order to improve the measurement method and to minimize the risk of failure .
• the present utility model is a constructive arrangement in whiteness measuring equipment which describes a horizontal moving structure provided by a cavity that moves in an aperture direction arranged below the baffle plate which is fixed adjacent to the grain flow, allowing the structure to collect small grain samples for the measurement of the sensor performing the measurement in the level of whiteness and, after the measurement directs sample back to the grain flow.
• the equipment is managed by a control board that receives the information from the sensor and makes the data available to the industrial automation system, informing the whiteness intensity of the sample, in an automated way.
• Characteristic of the utility model is a constructive arrangement in whiteness metering apparatus applied in the processing stages of grains and cereals which provides a baffle plate arranged adjacent to the grain flow which allows to deflect part of the grains to the outlet opening of the endowed structure by cavity.
• Figure 1 shows the perspective view of the whiteness meter.
• Figure 1 shows the rear perspective view of the whiteness meter detailing the internal components.
• Figure 2 shows the side view of the whiteness meter demonstrating its internal components.
• Figure 3 shows the front view of the whiteness meter.
• Figure 4 shows the top view of the whiteness meter.
• Figure 5 shows the view of the equipment detailing baffle plate and aperture.
• Figure 6 shows the exploded view of the equipment detailing its internal components.
• Figure 7 shows the view of the measured whiteness equipment applied to the grain flow, demonstrating the equipment at rest.
• Figure 8 shows the detail of the structure with cavity moved at its extreme point with the cavity outside the projection
• Figure 8A presents detail of the structure with cavity positioned on the projection that allows the capture of the grains
• Figure 8B presents the detail of the cavity structure positioned below the sensor at the end of the drive stroke.
• the constructive arrangement in whiteness metering apparatus applied in the grain and cereal processing steps, object of the present utility model comprises a structure (10) provided by an inclined disposed baffle plate (11) and an aperture (12) which allows the movement and exit of the structure (20) to the flow of grains.
• the structure (20) aligned close to the aperture (12) performs horizontal movement through the drive of an electric motor (50), this movement allowing the structure (20) to be directed to the grain flow to pick up a sample for mediation.
• the structure (20) is provided with a circular cavity (21) for picking up a grain sample for the measurement of the color sensor (30).
• the structure (20) is disposed on a base (30) provided by a projection (31) and guide structures (32) on its sides and on its side a closure cap 33 permitting the perfect movement of the structure 20, said cap 33 having a sample reading aperture 331 disposed in the cavity 21.
• the projection 31 of the base 30 is projected towards the grain flow adjacent aperture 12 of the frame 10 so as to enable the cavity 21 to be filled when it is in the return movement .
• the color sensor 40 is secured to the circular bore of the structure 41 which is disposed on the cover 33 so as to maintain alignment with the structure 20, allowing the sensor 40, is disposed vertically over the cavity (21).
• the sensor 40 is aligned along the aperture 331 of the cap 33 so as to enable the sample disposed adjacent the cavity 21 to be read upon the return of the structure 20.
• the structure 10 is fixed to machines of the most various types, the baffle plate 11 and aperture 12 being disposed adjacent the flow of the grains. Allowing the deflection of some grains to the front of the aperture (12) and projection (31), so that the structure (20) when actuated is able to pick up some grains next to the cavity (21) so that the whiteness measurement is performed by the sensor (40).
• the sample collection and measurement system occurs by the activation of the electric motor (50) which transfers the horizontal movement to the structure (20) which is directed to the grain flow through the opening (12) of the structure (10). ).
• the end point of movement of the structure 20 is disposed until the cavity 21 passes the deflecting plate 11 and projection 31 so that upon returning to the rest position the cavity 21 is positioned on the projection (31), allowing the cavity (21) to be filled with a grain sample for mediation which is positioned adjacent aperture 331 of the cap 33 and adjacent to the circular bore of the structure 41 which is provided by the color sensor 40.
• the alignment of the cavity (21) next to the sensor (40) is performed due to the end of the course of movement of the structure (20).
• the cavity (21) restarts the cycle, due to being positioned next to the projection (31) (which gives background), retaining the product and leading to be measured by the reader.
• the structure (10) disposed adjacent to the grain stream maintains part of the constant flow together aperture (12).
• the motor 50 moves the structure 20 out of the aperture 12, picking up a sample that returns along the structure 20 to alignment with the sensor 40 that performs the measurements.
• 10 (ten) samples are measured and a mean is obtained by the calculation performed by the equipment control board.
• the electronic system of the equipment is composed of a first electronic board interconnected to the color sensor 40 and its peripherals, each manufacturer of burners and polishers having different ways of regulating the machine to polish more or less, leaving the whiter or less white product.
• the second electronic control board comprises the power supply, control and communication part of the equipment.
• the whiteness sensor (40) has two internal plates in its body (not shown), one of which reads the color value and the other one communicates.
• the electronic boards are surrounded by an encapsulation which is coupled next to the sensor (40), thus the sensor (40) provided by the plates which is connected to the electric actuator by means of cables and to the automation system via an ethernet network .
• the power supply of the whiteness meter should be given at 24 Vdc and its estimated consumption is approximately 100 mA.
• the whiteness metering equipment applied in the grain and cereal processing stages is arranged in the middle of the grain flow, having the following operating characteristics:
• the structure (10) provided by a deflector plate (11) keeps the flow of grains constant close to the aperture (12);
• the structure 20 When the apparatus is actuated the structure 20 is moved horizontally toward the aperture 12 and projection 31 to position the cavity 21 adjacent to the grain flow, picking up a sample and returning to the position rest; The sample capture structure 20 returns to the rest position by aligning the cavity 21 adjacent to the sensor 40 so as to allow measurement of whiteness of the beans. In order to obtain the specific value of grain whiteness, 10 (ten) samples are measured and a mean is obtained by the calculation performed by the equipment control board.
• An object of the present utility model is thus a constructive arrangement in whiteness measuring apparatus which describes a horizontal movement structure (20) provided by a cavity (21) that moves in the direction of the aperture (12) and projection (31) disposed below the baffle plate (11) which is attached to the grain stream, allowing the structure to collect small grain samples for the measurement of the sensor performing the measurement at the whiteness level and, after measurement, directs sample again to the grain flow.
• the equipment is managed by a control board that receives the information from the sensor and makes the data available to the industrial automation system, informing the whiteness intensity of the sample, in an automated way.

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• Physics & Mathematics (AREA)
• Biochemistry (AREA)
• General Physics & Mathematics (AREA)
• Life Sciences & Earth Sciences (AREA)
• Chemical & Material Sciences (AREA)
• Analytical Chemistry (AREA)
• Pathology (AREA)
• General Health & Medical Sciences (AREA)
• Health & Medical Sciences (AREA)
• Immunology (AREA)
• Spectroscopy & Molecular Physics (AREA)
• Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
• Sampling And Sample Adjustment (AREA)
• Adjustment And Processing Of Grains (AREA)
• Sorting Of Articles (AREA)

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Publications (1)

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Citations (4)

• 2017
  • 2017-11-30 BR BR112020008820-0A patent/BR112020008820B1/pt active IP Right Grant
  • 2017-11-30 BR BR212020008820-5U patent/BR212020008820U2/pt active IP Right Grant
  • 2017-11-30 WO PCT/BR2017/050366 patent/WO2019104399A1/pt active Application Filing

Patent Citations (4)

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