Observation box for grain inspection
By designing an observation box for grain inspection, equipped with standard and ultraviolet light sources, and combining light and dark colored curtains and shielding panels, the problems of grain inspection equipment not meeting lighting standards and ultraviolet hazard have been solved, enabling rapid and safe sensory inspection of grain.
Patent Information
- Application Number
- CN202423243492.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Existing grain sensory testing equipment does not meet the requirements of the national standard GB/T22505-2008 "Sensory Testing Environment Lighting for Grain and Oil Standards", and ultraviolet lamps pose a significant hazard to operators, making it difficult to quickly and accurately determine the aflatoxin contamination status in grains.
Design an observation box for grain inspection, equipped with a standard light source and an ultraviolet light source. The bottom of the box has dark and light-colored screens, and the background color is changed by a transmission wheel set. Combined with the fluorescence reaction of grain under ultraviolet light, it can be quickly detected. It is equipped with a transmission screen and a shield to protect the operator.
It achieves standard lighting for grain inspection environments, improves the clarity and safety of sensory judgment, enables rapid detection of aflatoxin contamination, and protects operators from ultraviolet radiation.
Smart Images

Figure CN223910785U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of detection equipment supporting device, is used for the observation device of grain inspection. BACKGROUND
[0002] Grain sensory inspection is an important index for judging grain quality, involving wheat, barley, skin wheat, highland barley, rye, oat, japonica rice, indica rice, waxy rice, upland rice, deepwater rice, corn, sorghum, buckwheat, millet, small bean, mung bean, cassava, sweet potato, potato and the like; the detection items include mildewy grain, broken rice, imperfect grain, bran, purity rate, shelled rice, rice grain, moisture, odor, color and the like; laboratory inspection is usually operated on the experiment table, and a general desk lamp is generally provided for illumination, which does not meet the requirement of the national standard GB / T22505-2008 "Standard sensory inspection environment illumination of grain and oil". UTILITY MODEL CONTENT
[0003] The utility model discloses a kind of observation boxes for grain inspection, including box, standard light source and ultraviolet light source, the box bottom has pedestal, the box top surface is opened observation hole, and standard light source and ultraviolet light source are installed in box top surface inner wall, box bottom is provided transmission curtain, the transmission curtain is spliced into double-color curtain by dark color and light color, double-color curtain is arranged on transmission wheel group, transmission wheel group is installed on pedestal and constitutes transmission curtain, curtain passage is opened in the left and right sides of box.
[0004] The utility model discloses a kind of observation boxes for grain inspection, including box, standard light source and ultraviolet light source, the box bottom has pedestal, the box top surface is opened observation hole, and standard light source and ultraviolet light source are installed in box top surface inner wall, box bottom is provided transmission curtain, the transmission curtain is spliced into double-color curtain by dark color and light color, double-color curtain is arranged on transmission wheel group, transmission wheel group is installed on pedestal and constitutes transmission curtain, curtain passage is opened in the left and right sides of box.
[0005] The double-color curtain is spliced by white curtain and black curtain; the white curtain and the black curtain are the same size.
[0006] The curtain is double-layer cloth, and the upper and lower layers are movably bonded, such as snap fastener bonding.
[0007] The observation hole is circular, square or the like, and is located on the top surface of the box body, and the standard light source and the ultraviolet light source are located at the rear of the observation hole.
[0008] The control switch of the standard light source and the ultraviolet light source is installed on the outer wall of the box body and located on the outer wall surface of the top surface, the side surface or the rear surface of the box body.
[0009] The standard light source adopts a single illumination lamp tube, preferably a JBG-II illumination light source.
[0010] The grain inspection observation box has obvious progress, and the box type grain sensory detection device is originally designed, the grain is observed through the observation box, the sensory inspection illumination environment is improved, and the grain quality is conveniently judged:
[0011] 1. The standard light source is provided, and the illumination intensity meets the requirements of GB / T22505-2008 'Grain and Oil Standard Sensory Inspection Environment Illumination'.
[0012] 2. The ultraviolet light source is provided, according to the fact that aflatoxin emits light blue or light green fluorescence under ultraviolet irradiation, when the ultraviolet lamp tube is selected for irradiation, whether the grain is infected with aflatoxin can be detected, the aflatoxin pollution condition in the grain can be quickly judged, and the degree of grain pollution can be judged.
[0013] 3. The bottom is provided with two background colors of dark color and light color, the dark color and the light color grain are selected according to the dark color and the light color, sensory comparison is facilitated, and the clarity of sensory judgment is improved.
[0014] 4. The curtain is provided with a transmission wheel set to constitute a transmission curtain, the deep and shallow background conversion is facilitated, and the grain after detection is turned out of the observation box through the rotating wheel. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a structure schematic view of the grain inspection observation box of the utility model.
[0016] In the drawing: 1 standard light source, 2 ultraviolet light source, 3 curtain, 4 transmission wheel set, 5 observation hole, 6 shielding plate, 7 box body, 8 support, 9 collector, 10 switch, 11 curtain passage. DETAILED DESCRIPTION
[0017] The utility model will be further described in detail in combination with specific embodiments, but the utility model is not limited to specific embodiments.
[0018] For example, Figure 1The grain inspection observation box is shown, the box body 7 adopts aluminum alloy material, is light and durable, the color in the box body is gray, the box body height is 0.5 m, the bottom is provided with a support 8, a standard light source 1 and an ultraviolet light source 2 are installed on the inner wall of the top surface of the box body, the standard light source 1 adopts JBG-II lighting light source of Wuxi Huifengbang Science and Technology Company in the example, the standard light source 1 and the ultraviolet light source 2 are provided with a light source conversion switch 10, the conversion switch is installed on the outer wall surface of the top surface of the box body, an observation hole 5 is formed in the top surface of the box body, the ultraviolet observation chamber needs to pass through the observation hole, a transmission curtain 3 is arranged on the bottom surface of the box body, the transmission curtain is formed by splicing a dark color and a light color into a double-color curtain, the double-color curtain is arranged on a transmission wheel set 4, the transmission wheel set is installed on the support to form the transmission curtain, curtain passages 11 are formed in the left and right sides of the box body.
[0019] The front wall of the box body can also be a movable shielding plate 6, the shielding plate is movably inserted into the two side walls and can be adjusted in lifting, so as to prevent direct ultraviolet irradiation from causing damage.
[0020] In use, according to the color of the grain, the black or white curtain is selected, the transmission wheel is rotated to select the required curtain color, so that better visual color difference is achieved. The weighed grain sample is poured on the curtain, the front shielding plate is closed, the ultraviolet lamp switch is turned on, and the observation hole is used to observe whether there is aflatoxin, and the observation hole is used to observe whether there is aflatoxin. Good record. Switch the switch to turn off the ultraviolet lamp, turn on the JBG-II standard light source, open the front shielding plate, and perform sensory inspection, such as moldy particles, broken particles, insect-eaten particles, and imperfect particles are sorted out with tweezers. After the inspection is completed, the collector 9 is placed at the curtain passage of the side surface of the box body, and the transmission wheel is rotated to clean the grain from the box body into the collection barrel.
[0021] The curtain 3 of the utility model can also adopt double-layer cloth, and the upper and lower layers of cloth are movably bonded, such as a mother and daughter buckle bonding. The upper layer can be replaced after being contaminated, without affecting the overall reuse.
[0022] The observation hole of the top surface of the box body can adopt a circular shape, a square shape and the like, and the standard light source and the ultraviolet light source are located at the rear position of the observation hole for convenient observation. The control switch of the standard light source and the ultraviolet light source is installed on the outer wall of the box body, and can be located on the top surface, the side surface or the rear outer wall surface of the box body, so as to be convenient for operation.
Claims
1. An observation box for grain inspection, characterized in that, The device includes a housing, a standard light source, and an ultraviolet light source. The bottom of the housing has a support, and an observation hole is opened on the top surface of the housing. The standard light source and the ultraviolet light source are installed on the inner wall of the top surface of the housing. A transmission screen is set on the bottom surface of the housing. The transmission screen is a two-color screen made of dark and light colors spliced together. The two-color screen is arranged on a transmission wheel set, which is installed on the support to form the transmission screen. Screen channels are opened on the left and right sides of the housing.
2. The observation box for grain inspection according to claim 1, characterized in that, The two-color screen is made of white and black fabric spliced together; the white and black screens are the same size.
3. The observation box for grain inspection according to claim 1, characterized in that, The curtain is made of double-layered fabric, with the upper and lower layers being loosely bonded together.
4. The observation box for grain inspection according to claim 1, characterized in that, The observation hole is circular or square and is located on the top surface of the enclosure. The standard light source and the ultraviolet light source are located behind the observation hole.
5. An observation box for grain inspection according to claim 1, characterized in that, The control switches for the standard light source and the ultraviolet light source are installed on the outer wall of the enclosure, located on the top, side, or rear outer wall surface of the enclosure.
6. The observation box for grain inspection according to claim 1, characterized in that, The standard light source uses a single lighting tube.
7. An observation box for grain inspection according to claim 6, characterized in that, The standard light source used is the JBG-II lighting source (2).