CN203789019U - Ultraviolet-visible light illumination fruit and vegetable fresh-keeping device - Google Patents
Ultraviolet-visible light illumination fruit and vegetable fresh-keeping device Download PDFInfo
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- CN203789019U CN203789019U CN201420161297.5U CN201420161297U CN203789019U CN 203789019 U CN203789019 U CN 203789019U CN 201420161297 U CN201420161297 U CN 201420161297U CN 203789019 U CN203789019 U CN 203789019U
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Abstract
The utility model discloses an ultraviolet-visible light illumination fruit and vegetable fresh-keeping device. The ultraviolet-visible light illumination fruit and vegetable fresh-keeping device comprises an illumination control system and an illumination inner environment, wherein the illumination control system is arranged on a control platform outside a tank and comprises a control keyboard, a high-accuracy light adjusting measuring and control instrument, an illumination measuring and control instrument, a relative humidity measuring and control instrument and a temperature measuring and control instrument; the illumination inner environment comprises monochromatic light sources such as an ultraviolet lamp light source and LED light sources (red, yellow, blue and green light) and matched sensors. The ultraviolet-visible light illumination fruit and vegetable fresh-keeping device has the advantages that by using the bactericidal effect of ultraviolet light and the physiological regulation effect of specific visible light, the rotting and ageing process of fruit and vegetables is controlled from two aspects of pathology and physiology, microorganisms carried on the surfaces of the fruit and vegetables are killed, and meanwhile, the quality and functional components of the fruit and vegetables are kept, so that a relatively ideal fresh-keeping effect is achieved.
Description
Technical field
The utility model belongs to preserving fruit and vegetable utilizing equipment technical field, particularly a kind of ultraviolet-visible illumination preserving fruit and vegetable utilizing device and application thereof.
Background technology
As green, safe traditional thermal sterilization alternative, short wave ultraviolet (UV-C, wavelength is 240nm-260nm) is radiated at the aspects such as food safety control, induction fresh produce disease resistance, raising functional components and delaying ripening aging and has been subject to attention in recent years.The research of UV-C aspect preserving fruit and vegetable utilizing and food safety control is in recent years increasing, aspect induction fruits and vegetables generation disease resistance and functional components, is extensively being verified.Food and drug administration (FDA) and United States Department of Agriculture (USDA) assert that UV is safe.Fruits and vegetables are carried out to UV-C irradiation and can kill surface microorganism; Can also induce simultaneously and produce irritated self-defense response, in stimulating plant tissue, produce a series of biochemical reaction, mainly comprise that antimycotic defensive ferment is synthetic and actively improve, the generation of the protective plant protecting agent of inhibition pathogen, in inducing anti-disease gene expression etc.
Visible ray is the main absorption spectrum district of photosynthesis of plant, and its impact on plant and fruit quality is remarkable.Visible ray has the effect that inhibition is adopted rear fruits and vegetables chlorophyll degradation, delayed senility, carries high Vc content.Along with the birth of LED light source, make to obtain the monochromatic light that light quality is pure, efficiency is high and become a reality.Research shows: different light medium on colour-change period tamato fruit and harvest time tamato fruit, strawberry fruit, radish and the product quality of the vegetables such as bud seedling dish, spinach, pea seedlings all have significant impact.Research also shows: the impact of the quality of the light quality of different-waveband on agricultural product also has very big-difference.
Fresh fruit of vegetables after gathering, preserve and shelf sales process in, the fruits and vegetables proportion of goods damageds that cause due to rotting of causing of microorganism and the brown stain that causes of physiological change, the problem such as aging reach 25-30%.And the abuse of chemical preservation antistaling agent is to fruits and vegetables " secondary pollution " in producing at present; Meanwhile, also can produce food-safety problem, thereby affect the healthy of consumer.Therefore, be badly in need of a kind of safe, the green fresh-keeping measure that can control agricultural product physiology and pathological change.
Summary of the invention
The utility model discloses a kind of ultraviolet-visible illumination preserving fruit and vegetable utilizing device, it is characterized in that this device comprises environment in illumination control system and illumination; Wherein illumination control system is made up of supervisory keyboard, high accuracy light modulation measurement and control instrument, illumination measurement and control instrument, relative humidity measurement and control instrument, temperature measurement-control instrument; The interior environment of illumination is by ultraviolet light source and LED sets of monochromatic light sources, and supporting illuminance transducer composition.
Ultraviolet-visible illumination preserving fruit and vegetable utilizing device described in the utility model, it is characterized in that environment in described illumination is that 12 inner and upper is mounted with ultraviolet light source 11 and LED sets of monochromatic light sources 13, be connected with casing external control platform 1 by supporting sensor 14,15,16, on the panel of illumination control system, be connected with keyboard 2, high accuracy brightness adjustment control instrument 3, illumination controller 4, relative humidity controller 5, temperature measurement-control instrument 6.
Described LED sets of monochromatic light sources 13 refers to blue 7, green 8, yellow 9 and red 10 monochromatic sources.Ultraviolet light source 11 wavelength in described illumination in environment 13 are specific wavelengths of 240nm-260nm.In described illumination, environment 12 is environment of complete lucifuge.
LED sets of monochromatic light sources 13 in described illumination in environmental system 12 is made up of the specific wavelength of ruddiness 620-660nm, gold-tinted 570-600nm, blue light 455-485nm, green glow 490-525nm.
Intensity of illumination in described illumination in environmental system 12 is to control by illumination controller 4, and intensity of illumination shows by illuminance transducer 15, and range of exposures is within the scope of 100-1000lux.Preferably 200-600lux, more preferred 260lux.
Temperature shows by temperature sensor 14, and temperature is controlled within the scope of 10 ~ 25 DEG C.
Humidity is that the humidity that can show by humidity sensor 16 is controlled within the scope of 75%-90%.
Ultraviolet light source 11 and LED sets of monochromatic light sources 13 in described illumination in environment 12 can be used singly or in combination.
The utility model is reducing fruits and vegetables brown stain prolongation storage period and in the generation that reduces two spore mushrooms surface brown spot, is suppressing or slowing down the application of mushroom body brown stain aspect in order to prove ultraviolet-visible illumination preserving fruit and vegetable utilizing device, has successively done following contrast experiment:
1, this preservation device is processed muscat grape, and than utilizing separately, UV-C illumination fresh-keeping effect is better, can obviously improve muscat grape storage quality, reduces brown stain degree, keeps PPO and POD enzymatic activity, under same holding conditions, extends storage period 15-20 days.
2, this preservation device is processed two spore mushrooms, significantly reduces the micro organism quantity 0.5-1logcfu that is inoculated in two spore mushrooms surface, and reduce the generation of two spore mushrooms surface brown spot than utilizing separately UV-C to irradiate, and suppresses or slows down the brown stain of mushroom body.
3, this preservation device is processed winter jujube, has reduced winter jujube cell leakage and mda content than utilizing separately UV-C to irradiate, and has suppressed respiratory intensity; Improve PAL enzymatic activity in winter-jujube fruit, accelerate the accumulation of Phenolics In Fruit, reduce the rotten index of fruit, contribute to the raising of winter-jujube fruit disease resistance.
4, this preservation device is processed broccoli, strengthen the total phenol of broccoli and Flavonoid Content than utilizing separately UV-C to irradiate, increased the content of chlorophyll, carotenoid and the anthocyanidin of broccoli, delayed its degraded, keep preferably the organoleptic quality of broccoli, yellow process slows down.
The feature of the utility model device:
(1) this device is exactly the light quality that utilizes the specific fluctuation in lamp, has green, safe and energy-conservation feature.
(2) feature of this device is to utilize killing action and the monochromatic physiological metabolic regulation effect of specific wavelength LED of the UV-C microorganism of specific wavelength, forms good complementation, and preserving fruit and vegetable utilizing is played a positive role.
Brief description of the drawings:
Fig. 1 is ultraviolet-visible illumination preserving fruit and vegetable utilizing apparatus structure schematic diagram;
Wherein theing contents are as follows of each digital representative:
1, control platform 2, keyboard 3, high accuracy light modulation measurement and control instrument
4, illumination measurement and control instrument 5, relative humidity measurement and control instrument 6, temperature measurement-control instrument
7, LED blue-light source 8, LED green light source 9, LED gold-tinted source
10, environment in LED red light source 11, ultraviolet source 12, illumination
13, LED sets of monochromatic light sources 14, temperature sensor
15, illuminance transducer 16, relative humidity sensor.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, ultraviolet-visible illumination preserving fruit and vegetable utilizing device of the present utility model is described further.Following each embodiment is only not limitation of the utility model for the utility model is described.
Embodiment 1
The ultraviolet light source 11 that in fruits and vegetables illumination in this device, environment 12 inner and upper are settled and LED sets of monochromatic light sources 13(comprise blue 7, green 8, yellow 9 and red 10) etc. monochromatic source by controlling the electrical equipment control on platform, can realize automatically and manual two kinds of control modes.
In conjunction with Fig. 1, when use, first, open shift knob in the keyboard 2 on control panel control platform 1, according to experiment needs, open separately ultraviolet light source 11, or arbitrary monochromatic light or multiple monochromatic light in LED sets of monochromatic light sources 13; Or open arbitrary monochromatic light in ultraviolet light source 11 and LED sets of monochromatic light sources 13 (for example: ruddiness 10) or multiple monochromatic light (for example: ruddiness 10 and blue light 7), preheating is about 10 minutes simultaneously.Secondly, fruits and vegetables to be processed need are put into illumination environment 12, regulate high accuracy brightness adjustment control instrument 3 to required intensity of illumination.In irradiating, can real-time online detect in fruits and vegetables illumination intensity of illumination in environment 12, relative humidity and temperature while irradiating.The 3rd, after illumination finishes, the button such as switch, illumination controller 4, relative humidity controller 5, temperature measurement-control instrument 6 in the keyboard 2 on closing control platform.Take out the fruits and vegetables of processing, pack, transport or sell.
Embodiment 2
In conjunction with Fig. 1, manufacture environment 12 in a lucifuge and fruits and vegetables illumination that can be mobile flexibly, inner and upper is mounted with ultraviolet light source 11 and LED sets of monochromatic light sources 13(and comprises blue 7, green 8, yellow 9 and red 10) etc. monochromatic source, be connected by respective sensor 14,15,16 and the outer automatic control system 1 of casing.Control on platform and be connected with keyboard 2, high accuracy brightness adjustment control instrument 3, illumination controller 4, relative humidity controller 5, temperature measurement-control instrument 6.In described fruits and vegetables illumination, environment 12 is complete lucifuges.Intensity of illumination in described fruits and vegetables illumination in environment 12 is to control by illumination controller 4, and can show by illuminance transducer 15.Temperature in described fruits and vegetables illumination in environment 12 can show by temperature sensor 14.Humidity in described fruits and vegetables illumination in environment 12 can show by humidity sensor 16.
Ultraviolet light source 11 wavelength in described fruits and vegetables illumination in environment 12 are the specific wavelengths in 240nm-260nm.LED sets of monochromatic light sources 13 in illumination in environment 12 is made up of green energy conservation and the light emitting diode with specific wavelength.Various monochromatic light in this device are respectively the specific wavelength of wave band within the scope of ruddiness 620-660nm, gold-tinted 570-600nm, blue light 455-485nm, green glow 490-525nm.
Embodiment 3
In conjunction with Fig. 1, when use, first, open shift knob in the keyboard 2 of controlling on platform, according to experiment needs, open separately ultraviolet light source 11, or arbitrary monochromatic light or multiple monochromatic light (for example: green glow 8) in LED sets of monochromatic light sources 13; Or open arbitrary monochromatic light or multiple monochromatic light (for example: blue light 7 and green glow 8) in ultraviolet light source 11 and LED sets of monochromatic light sources 13, preheating is about 10 minutes simultaneously.Secondly, fruits and vegetables to be processed need are put into illumination environment 12, regulate high accuracy brightness adjustment control instrument 3 to required intensity of illumination, close chamber door.In irradiating, can real-time online detect in fruits and vegetables illumination intensity of illumination (200lux) in environment 12, relative humidity (85%) and temperature (25 DEG C) while irradiating.The 3rd, after illumination finishes, the button such as switch, illumination controller 4, relative humidity controller 5, temperature measurement-control instrument 6 in the keyboard 2 on closing control platform.Take out the fruits and vegetables of processing, pack, transport or sell.
Embodiment 4
The actual service condition of ultraviolet-visible illumination preserving fruit and vegetable utilizing device of the present invention:
1) first open shift knob in the keyboard 2 of controlling on platform 1, then open ultraviolet light source 11, preheating is about 10 minutes.Fast the broccoli that scabbles stem is put into illumination environment 12, upright, bud is accepted illumination upward.Regulate high accuracy brightness adjustment control instrument 3, make intensity of illumination reach 100Lux, irradiate 60 seconds, close ultraviolet light source 11.Open green glow in LED sets of monochromatic light sources 13 (520nm), to broccoli prolonged exposure, regulate high accuracy brightness adjustment control instrument 3, make intensity of illumination reach 160Lux, temperature is 15 DEG C, and relative humidity is 90%.Taking dark processing (without any light) as contrast, observation experiment result after 10 days.
2) result shows, compared with the control, adopt apparatus of the present invention obviously to suppress the chlorophyllous decomposition of broccoli, the decline of Vc content, kept the original color and luster of broccoli and quality, reduce mildew and rot rate (30%) and flowering rate (68%), made the freshness date of broccoli extend 4 days.
3) apparatus of the present invention can, effectively by the microorganism killing effect of uviol lamp source (UV-C) and the monochromatic physiological metabolic regulation effect of LED organic assembling, play a positive role to preserving fruit and vegetable utilizing.
Embodiment 5
1) first open shift knob in the keyboard 2 of controlling on platform 1, then open the Red and blue light (ruddiness 620nm, blue light 465nm) of ultraviolet light source 11 and LED sets of monochromatic light sources simultaneously, preheating is about 10 minutes.Fast the agaricus bisporus that scabbles mushroom leg is put into illumination environment 12, upright, cap is accepted illumination upward.Regulate high accuracy brightness adjustment control instrument 3, make intensity of illumination reach 260Lux, irradiate 90 seconds, close ultraviolet light source 11, the Red and blue light of LED sets of monochromatic light sources is to broccoli prolonged exposure.In irradiating, the interior temperature of environment 12 is 2 DEG C, and relative humidity is 90%.To use separately uviol lamp as contrast, observation experiment result after 28 days.
2) result shows as following table:
Treatment effect contrast table
Can find out from experimental result above:
(1), compared with independent use short wave ultraviolet, adopt apparatus of the present invention effectively to reduce the quantity of two spore mushroom surface microorganisms.
(2), compared with independent use short wave ultraviolet, adopt the two spore mushrooms of apparatus of the present invention control surface brown spot.
(3), compared with independent use short wave ultraviolet, adopt apparatus of the present invention can suppress the reduction of two spore mushroom antioxidation activities, total phenol content, Vc content.
Claims (6)
1. a ultraviolet-visible illumination preserving fruit and vegetable utilizing device, is characterized in that this device comprises environmental system in illumination control system and illumination; Illumination control system is arranged on the control platform of casing outside and (1) goes up, by keyboard (2), high accuracy light modulation measurement and control instrument (3), illumination measurement and control instrument (4), (6) (5) relative humidity measurement and control instrument form with temperature measurement-control instrument; In illumination environmental system (12) by ultraviolet light source (11) with LED sets of monochromatic light sources (13), and supporting illuminance transducer (15), (16) (14) temperature sensor form with relative humidity sensor.
2. ultraviolet-visible illumination preserving fruit and vegetable utilizing device according to claim 1, it is characterized in that (1) (13) (11) ultraviolet light source be placed in the (12) top of inside of environmental system in illumination with LED sets of monochromatic light sources, be (15) connected with the control platform outside casing by supporting illuminance transducer.
3. ultraviolet-visible illumination preserving fruit and vegetable utilizing device according to claim 1 and 2, it is characterized in that described LED sets of monochromatic light sources (13) refer to by LED blue-light source (7), LED green light source (8), the sets of monochromatic light sources that (9) (10) forms with LED red light source of LED gold-tinted source.
4. ultraviolet-visible illumination preserving fruit and vegetable utilizing device according to claim 1, is characterized in that in described illumination, (12) environment is an environment for complete lucifuge.
5. ultraviolet-visible illumination preserving fruit and vegetable utilizing device according to claim 2, is characterized in that (4) the intensity of illumination during the interior environmental system of described illumination is (12) controlled by illumination measurement and control instrument, (15) shows by illuminance transducer; (14) temperature show by temperature sensor, and (16) humidity show by humidity sensor.
6. ultraviolet-visible illumination preserving fruit and vegetable utilizing device according to claim 3, it is characterized in that in described illumination ultraviolet light source during environmental system (12) (11) wavelength be 240nm-260nm specific wavelength.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104865358A (en) * | 2015-06-01 | 2015-08-26 | 天津商业大学 | Fruit-vegetable fresh keeping test box with adjustable light parameters |
CN114568618A (en) * | 2020-11-30 | 2022-06-03 | 合肥华凌股份有限公司 | Food material nutrient lifting method, control device, storage cabinet and electronic equipment |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104865358A (en) * | 2015-06-01 | 2015-08-26 | 天津商业大学 | Fruit-vegetable fresh keeping test box with adjustable light parameters |
CN114568618A (en) * | 2020-11-30 | 2022-06-03 | 合肥华凌股份有限公司 | Food material nutrient lifting method, control device, storage cabinet and electronic equipment |
CN114568618B (en) * | 2020-11-30 | 2023-09-15 | 合肥华凌股份有限公司 | Food nutrient lifting method, control device, storage cabinet and electronic equipment |
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