CN103954093A - Portable solar refrigeration fresh keeping refrigerator - Google Patents
Portable solar refrigeration fresh keeping refrigerator Download PDFInfo
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- CN103954093A CN103954093A CN201410163972.2A CN201410163972A CN103954093A CN 103954093 A CN103954093 A CN 103954093A CN 201410163972 A CN201410163972 A CN 201410163972A CN 103954093 A CN103954093 A CN 103954093A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Abstract
A portable solar refrigeration fresh keeping refrigerator comprises a box body; a solar photovoltaic panel is arranged outside the box body; a storage battery, a semiconductor refrigeration part, a waste heat power generation magnetic field fresh keeping part and an electronic control system are arranged in the box body; the semiconductor refrigeration part comprises semiconductor refrigeration pieces, radiating fins and a miniaturized fan; the waste heat power generation magnetic field fresh keeping part comprises a magnetic coil and a semiconductor temperature difference power generation piece of which the output end is connected with the magnetic coil; the electronic control system comprises a power supply management controller and a conversion controller; the conversion controller is connected with a mains supply standby input port; the power supply management controller is connected with a temperature display, a temperature regulator and a lighting output port; the storage battery is respectively connected with the input end of the solar photovoltaic panel and the power supply management controller. The portable solar refrigeration fresh refrigerator is novel in design, high in refrigeration efficiency, pollution-free, small in energy consumption, good in fresh keeping effect, easy to control, portable, feasible, long in service life and low in maintenance cost.
Description
Technical field
The invention belongs to solar energy, refrigeration and Food Science combined technology field, relate in particular to a kind of portable type solar energy chilled case that freezes.
Background technology
Cryopreservation is the most widely used storage practice in the world today at present, and after traditional refrigeration, freeze preservation, ice temperature fresh-keeping technology can not cracked cell, suppresses respiration and harmful microbe movable.As a brand-new storage technique, ice temperature fresh-keeping has overcome the many disadvantages of refrigeration and cold storage, can well guarantee local flavor, mouthfeel and the freshness of food, improve the quality of food, realize the Long-term Storage of food, therefore can improve the value of commodity, also meet consumer simultaneously and be only second to refrigeration, the third freezing preservation technique and noticeable to eating the quality requirement of fruit, vegetables raw, having become.
In recent years, along with expanding economy, growth in the living standard, consumer is also more and more higher to the quality requirement of fruits and vegetables, fowl poultry meat, aquatic products.The fruits and vegetables of these Dou Dui China, food storage preservation technique are had higher requirement.Ice temperature fresh-keeping technology has obtained applying in some countries and regions such as Japan, the U.S., Korea S, Britain.Britain emphasizes that from the meat of external import must be ice temperature fresh-keeping meat, guarantees quality and the local flavor of food.Especially in Japan, subsequently, ice temperature fresh-keeping technology is widely applied in Japan the new and high technology that agricultural-products ice temperature preservation technique is defined as supporting 21 century development from Japanese Agriculture, Forestry and Fisheries Ministry in 1998, and has set up corresponding ice temperature cold chain system.
China, from " eight or five ", " 95 " until Eleventh Five-Year Plan outline, preserving fruit and vegetable utilizing is all listed in food-processing industry development priority, consumes self nutrient existence because fruits and vegetables relies on after gathering, and best fresh-keeping mode is cryopreservation.From 1999, China's fruits output surpassed 6,000 ten thousand tons, ranks the first in the world; Yield of vegetables is broken through 300,000,000 tons, also at the forefront in the world.On the other hand, the fruits and vegetables proportion of goods damageds of China, up to 30-40%, are about 90,000,000,000 yuan, and the wear and tear expense Ye Shu world is the first.China introduces the theory of ice temperature fresh-keeping technology the eighties in 20th century, and systematically carry out agricultural-products ice temperature Study on preservation technique, starts from 2004.Continuous expansion and in-depth along with research, the scientific research personnel of Duo Jia research unit utilizes the effect of ice-temperature technique in the field product preservation and freshnesses such as fruits and vegetables, aquatic products, fowl poultry meat remarkable, obtained certain success, but experimental facilities is relatively backward, ice temperature storage facilities is all to be formed by common freezer or refrigerator transformation, is difficult to arrive the requirement of ice temperature storage equipment high control precision.Especially in Cold Chain Logistics networked system, how off-line provides enough supplies of electric power and suitable refrigerating capacity, effectively guarantees the chilled state of food in transportation, has become the certainty of ice temperature fresh-keeping Food circulation art development.
At present, portable chilled case is changed a social system by small-sized mini refrigerator mostly, adopts compression-type refrigeration mode, and power consumption is large; Electric power is often provided by battery or vehicle power, not energy-conservation; Even if adopt solar poweredly, but photovoltaic utilization rate is not high; Have some refrigerating part to adopt semiconductor refrigerating, but efficiency is not high, and does not take effectively to assist fresh-keeping measure, do not have fresh-keeping effect yet.The problems such as these all exist that refrigerating efficiency is low, waste electric power, fresh-keeping effect are poor, light not, have restricted its development.
Summary of the invention
The present invention is in order to solve weak point of the prior art, provide a kind of pollution-free, energy consumption is little, refrigerating efficiency is high, good refreshing effect, be easy to control, portable easy-to-use, long service life, portable type solar energy that maintenance cost is low are freezed chilled case.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: the portable type solar energy chilled case that freezes, comprise casing, casing is provided with solar energy photovoltaic panel outward, in casing, be provided with battery, semiconductor refrigerating part, the fresh-keeping part in cogeneration magnetic field and electronic control system, semiconductor refrigerating partly comprises semiconductor chilling plate, fin and mini-fan, the fresh-keeping part in cogeneration magnetic field comprises magnetic coil and semiconductor temperature differential generating sheet, the heating end of semiconductor chilling plate is connected with semiconductor temperature differential generating sheet by fin, mini-fan is located at the refrigeration end of semiconductor chilling plate, the output of semiconductor temperature differential generating sheet is connected with magnetic coil, electronic control system comprises power source management controller and switching controller, switching controller is connected with the standby input port of civil power, power source management controller is connected with temperature indicator, thermoregulator and illumination output port, battery is connected with power source management controller with the input of solar energy photovoltaic panel respectively.
Described solar energy photovoltaic panel is provided with two groups, and solar energy photovoltaic panel is universal adjustment and accordion structure, and battery is provided with two groups, two groups of solar energy photovoltaic panels and two group storage battery cascades, and two group storage battery symmetries are located at bottom half.
In described casing, be provided with fresh-keeping chamber, magnetic coil is located in fresh-keeping chamber.
Adopt technique scheme, the present invention has following characteristics:
1, solar energy photovoltaic panel adopts universal adjustment and accordion structure, not only conveniently carries but also can arbitrarily regulate its angle of radiation, has guaranteed to greatest extent the absorption collector area of solar energy photovoltaic panel; Two groups of complementary batteries ensure enough supplies of electric power, the symmetry placement form adopting design in, and balance is carried in assurance, adopts intelligent power supply management means discharging and recharging in design.
2,, based on Pa Er note principle effect, refrigerating part adopts semiconductor refrigerating design.Semiconductor chilling plate can directly utilize dc source, reduces inversion electric quantity loss.And the pollution-free noiselessness of working, being easy to control, regulate, the life-span is long, and volume is little, and refrigeration parameter is not subject to direction in space and gravity effect, is applicable to very much portable refrigerating and uses.Semiconductor chilling plate needs good heat radiation, therefore designed fin.Mini-fan can be strengthened gaseous exchange in casing, thereby increases refrigeration.
3, the fresh-keeping part in cogeneration magnetic field is the back wash effect-Seebeck effect based on paltie effect, the waste heat of fin is reclaimed and realized thermo-electric generation by semiconductor temperature differential generating sheet, when the thermopile two ends of semiconductor temperature differential generating sheet are during in different temperatures, will produce electromotive force, the electric weight of output is loaded into magnetic coil, in fresh-keeping chamber inside, form independently stationary magnetic field environment, thereby can break the original biological magnetic field characteristic of food, reduce food magnetic fluctuation, make food enter vital signs slow rest period, slow down food internal water molecule active, suppress water loss, safeguard food moisture balance, original nutritional labeling and color and luster local flavor have been kept to a certain extent, played auxiliary fresh-keeping effect.
4, the power source management controller of electronic control system adopts intelligent electric source control.Solar energy outside solar energy photovoltaic panel absorption chamber, is converted into direct current energy, battery is charged simultaneously.Power source management controller first the every group storage battery of Real-Time Monitoring electric power situation and predict judgement, minimum its charge switch of just opening of voltage of any group storage battery; Simultaneously its output switch is opened to system power supply in the higher position of the voltage of which group storage battery, thereby reach the effect of intelligent charging electricity consumption, efficiency can be improved on the one hand, overcharge and the deep discharge of battery can be effectively avoided on the other hand, prolonging service life of battery.
5, for realizing this intelligent electric source control, power source management controller aims at the cooling electric system design of solar DC, has used the intelligent controller of special purpose computer chip.There is short circuit, overload, unique anti-reverse protection, be full of, cross put automatically shut down, the global function safeguard measure such as recovery, detailed charging indication, battery condition, load and various indicating fault.The parameter that the terminal voltage of battery, discharge current, environment temperature etc. is related to accumulator capacity by computer chip is sampled, use peculiar control model to calculate, realization meets the discharge rate of battery characteristics, efficient, the high-accuracy of temperature-compensating correction are controlled, and adopted the charge mode with efficient PWM battery, guarantee that battery-operated, at best state, extends the service life of battery greatly.Chip can move freely at cold, high temperature, wet environment.There is multiple-working mode, output mode selection, meet the various needs of user.Compare with traditional controller and cancelled potentiometer adjustment control set point, and utilized Flash memory to record each job control point, make to arrange digitlization, eliminated because of potentiometer vibrations off normal, temperature and floated etc. and to make control point occur that error reduces the factor of accuracy, reliability.
6, utilize the accurate control of discharge of battery discharge rate characteristic revision.Final discharging voltage is the control point by the correction of discharge rate curve, has eliminated simple Control of Voltage and has crossed the inaccuracy of putting, and meets the intrinsic characteristic of battery, and different discharge rates has different end of a period voltage.Have overcharge, cross put, electrical short, overload protection, unique Automatic Control such as anti-reverse protection; More than protection does not all damage any parts, does not burn insurance; Adopted tandem PWM charging main circuit, make the loss of voltage of charge circuit use the charging circuit of diode reduce near half, the high 3%-6% of the more non-PWM of charge efficiency, has increased the electricity consumption time; Cross the lifting charging of putting recovery, directly fill normally, floating charge automatic control mode makes system by the service life of more growing.
7, external temperature indicator and thermoregulator be by electrical adjustment, and temperature can be at-1 ℃--and between 5 ℃, arrange, can meet the different ice temperature fresh-keeping refrigeration requirement such as meat products, fruits and vegetables class, grain.
8, provide input and output Peripheral Interface.In case of emergency can provide LED illuminating lamp or mobile phone charging by output voltage; Continuously under overcast and rainy weather condition, by operation switching controller, by the standby input port of civil power, provide charging for battery.
In sum, the present invention is novel in design, and refrigerating efficiency is high, pollution-free, and energy consumption is little, good refreshing effect, is easy to control, portable easy-to-use, long service life, and maintenance cost is low.Along with improving constantly of living standard, people are more and more higher to the requirement of food security and biological preservation, and chilled technology is developed rapidly, and the present invention will have very wide market prospects.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
The specific embodiment
As shown in Figure 1, the portable type solar energy of the present invention chilled case that freezes, comprise casing 4, the outer solar energy photovoltaic panel 1 that is provided with of casing 4, in casing 4, be provided with battery 10, semiconductor refrigerating part, the fresh-keeping part in cogeneration magnetic field and electronic control system, semiconductor refrigerating partly comprises semiconductor chilling plate 11, fin 13 and mini-fan 14, the fresh-keeping part in cogeneration magnetic field comprises magnetic coil 3 and semiconductor temperature differential generating sheet 12, the heating end of semiconductor chilling plate 11 is connected with semiconductor temperature differential generating sheet 12 by fin 13, mini-fan 14 is located at the refrigeration end of semiconductor chilling plate 11, the output of semiconductor temperature differential generating sheet 12 is connected with magnetic coil 3, electronic control system comprises power source management controller 9 and switching controller 5, switching controller 5 is connected with the standby input port 6 of civil power, power source management controller 9 is connected with temperature indicator 2, thermoregulator 8 and illumination output port 7, battery 10 is connected with power source management controller 9 with the input of solar energy photovoltaic panel 1 respectively.
Solar energy photovoltaic panel 1 is provided with two groups, and solar energy photovoltaic panel 1 is universal adjustment and accordion structure, and battery 10 is provided with two groups, two groups of solar energy photovoltaic panels 1 and two group storage battery 10 cascades, and two group storage battery 10 symmetries are located at casing 4 bottoms.
In casing 4, be provided with fresh-keeping chamber, magnetic coil 3 is located in fresh-keeping chamber.
Adopt technique scheme, the present invention has following characteristics:
1, solar energy photovoltaic panel 1 adopts universal adjustment and accordion structure, not only conveniently carries but also can arbitrarily regulate its angle of radiation, has guaranteed to greatest extent the absorption collector area of solar energy photovoltaic panel 1; Two groups of complementary batteries 10 ensure enough supplies of electric power, the symmetry placement form adopting design in, and balance is carried in assurance, adopts intelligent power supply management means discharging and recharging in design.
2,, based on Pa Er note principle effect, refrigerating part adopts semiconductor refrigerating design.Semiconductor chilling plate 11 can directly utilize dc source, reduces inversion electric quantity loss.And the pollution-free noiselessness of working, being easy to control, regulate, the life-span is long, and volume is little, and refrigeration parameter is not subject to direction in space and gravity effect, is applicable to very much portable refrigerating and uses.Semiconductor chilling plate 11 needs good heat radiation, therefore designed fin 13.Mini-fan 14 can be strengthened the interior gaseous exchange of casing 4, thereby increases refrigeration.
3, the fresh-keeping part in cogeneration magnetic field is the back wash effect-Seebeck effect based on paltie effect, the waste heat of fin 13 is reclaimed and realized thermo-electric generation by semiconductor temperature differential generating sheet 12, when the thermopile two ends of semiconductor temperature differential generating sheet 12 are during in different temperatures, will produce electromotive force, the electric weight of output is loaded into magnetic coil 3, in fresh-keeping chamber inside, form independently stationary magnetic field environment, thereby can break the original biological magnetic field characteristic of food, reduce food magnetic fluctuation, make food enter vital signs slow rest period, slow down food internal water molecule active, suppress water loss, safeguard food moisture balance, original nutritional labeling and color and luster local flavor have been kept to a certain extent, played auxiliary fresh-keeping effect.
4, the power source management controller 9 of electronic control system adopts intelligent electric source control.Solar energy outside solar energy photovoltaic panel 1 absorption chamber, is converted into direct current energy, battery 10 is charged simultaneously.Power source management controller 9 first the every group storage battery 10 of Real-Time Monitoring electric power situation and predict judgement, minimum its charge switch of just opening of voltage of any group storage battery 10; Simultaneously its output switch is opened to system power supply in the higher position of the voltage of which group storage battery 10, thereby reach the effect of intelligent charging electricity consumption, can improve efficiency on the one hand, can effectively avoid on the other hand overcharge and the deep discharge of battery 10, extend 10 life-spans of battery.
5, for realizing this intelligent electric source control, power source management controller 9 aims at the cooling electric system design of solar DC, has used the intelligent controller of special purpose computer chip.There is short circuit, overload, unique anti-reverse protection, be full of, cross put automatically shut down, the global function safeguard measure such as recovery, detailed charging indication, battery 10 states, load and various indicating fault.The parameter that the terminal voltage of battery 10, discharge current, environment temperature etc. is related to battery 10 capacity by computer chip is sampled, use peculiar control model to calculate, realization meets the discharge rate of battery 10 characteristics, efficient, the high-accuracy of temperature-compensating correction are controlled, and adopted the charge mode with efficient PWM battery 10, guarantee that battery 10 is operated in best state, greatly extend the service life of battery 10.Chip can move freely at cold, high temperature, wet environment.There is multiple-working mode, output mode selection, meet the various needs of user.Compare with traditional controller and cancelled potentiometer adjustment control set point, and utilized Flash memory to record each job control point, make to arrange digitlization, eliminated because of potentiometer vibrations off normal, temperature and floated etc. and to make control point occur that error reduces the factor of accuracy, reliability.
6, utilize the accurate control of discharge of battery 10 discharge rate characteristic revisions.Final discharging voltage is the control point by the correction of discharge rate curve, has eliminated simple Control of Voltage and has crossed the inaccuracy of putting, and meets the intrinsic characteristic of battery 10, and different discharge rates has different end of a period voltage.Have overcharge, cross put, electrical short, overload protection, unique Automatic Control such as anti-reverse protection; More than protection does not all damage any parts, does not burn insurance; Adopted tandem PWM charging main circuit, make the loss of voltage of charge circuit use the charging circuit of diode reduce near half, the high 3%-6% of the more non-PWM of charge efficiency, has increased the electricity consumption time; Cross the lifting charging of putting recovery, directly fill normally, floating charge automatic control mode makes system by the service life of more growing.
7, external temperature indicator 2 and thermoregulator 8 be by electrical adjustment, and temperature can be at-1 ℃--and between 5 ℃, arrange, can meet the different ice temperature fresh-keeping refrigeration requirement such as meat products, fruits and vegetables class, grain.
8, provide input and output Peripheral Interface.In case of emergency can provide LED illuminating lamp or mobile phone charging by output voltage; Continuously under overcast and rainy weather condition, by operation switching controller 5, by the standby input port 6 of civil power, provide charging for battery 10.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (3)
1. the portable type solar energy chilled case that freezes, it is characterized in that: comprise casing, casing is provided with solar energy photovoltaic panel outward, in casing, be provided with battery, semiconductor refrigerating part, the fresh-keeping part in cogeneration magnetic field and electronic control system, semiconductor refrigerating partly comprises semiconductor chilling plate, fin and mini-fan, the fresh-keeping part in cogeneration magnetic field comprises magnetic coil and semiconductor temperature differential generating sheet, the heating end of semiconductor chilling plate is connected with semiconductor temperature differential generating sheet by fin, mini-fan is located at the refrigeration end of semiconductor chilling plate, the output of semiconductor temperature differential generating sheet is connected with magnetic coil, electronic control system comprises power source management controller and switching controller, switching controller is connected with the standby input port of civil power, power source management controller is connected with temperature indicator, thermoregulator and illumination output port, battery is connected with power source management controller with the input of solar energy photovoltaic panel respectively.
2. the portable type solar energy according to claim 1 chilled case that freezes, it is characterized in that: described solar energy photovoltaic panel is provided with two groups, solar energy photovoltaic panel is universal adjustment and accordion structure, battery is provided with two groups, two groups of solar energy photovoltaic panels and two group storage battery cascades, two group storage battery symmetries are located at bottom half.
3. the portable type solar energy according to claim 1 and 2 chilled case that freezes, is characterized in that: in described casing, be provided with fresh-keeping chamber, magnetic coil is located in fresh-keeping chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410163972.2A CN103954093B (en) | 2014-04-23 | 2014-04-23 | Portable type solar energy freezes chilled case |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410163972.2A CN103954093B (en) | 2014-04-23 | 2014-04-23 | Portable type solar energy freezes chilled case |
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| CN103954093B CN103954093B (en) | 2016-03-16 |
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Cited By (9)
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| CN105805873A (en) * | 2016-05-10 | 2016-07-27 | 浙江聚珖科技股份有限公司 | Novel energy-saving semiconductor air adjusting module |
| CN105972735A (en) * | 2016-06-24 | 2016-09-28 | 浙江聚珖科技股份有限公司 | Semiconductor cooling and heating fan |
| CN105977574A (en) * | 2016-06-30 | 2016-09-28 | 深圳市元征科技股份有限公司 | Battery temperature control method and system |
| CN107347976A (en) * | 2017-08-17 | 2017-11-17 | 河南牧业经济学院 | Solar energy fruits and vegetables aid in preservation device |
| CN108792293A (en) * | 2018-06-27 | 2018-11-13 | 深圳市玖品空气净化科技有限公司 | A kind of stem cell refrigerated transport case that cruising ability is strong |
| CN110068197A (en) * | 2019-05-22 | 2019-07-30 | 江南大学 | A kind of solar powered semiconductor refrigerating temperature control antistaling box |
| CN110134213A (en) * | 2019-05-23 | 2019-08-16 | 牛建 | A kind of cpu heat |
| CN110248841A (en) * | 2017-02-01 | 2019-09-17 | Lg电子株式会社 | Cold-heat cabinet |
| CN112556278A (en) * | 2020-12-31 | 2021-03-26 | 盐城万洋农副产品有限公司 | Solar energy-saving environment-friendly refrigerating device |
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| CN105805873A (en) * | 2016-05-10 | 2016-07-27 | 浙江聚珖科技股份有限公司 | Novel energy-saving semiconductor air adjusting module |
| CN105972735A (en) * | 2016-06-24 | 2016-09-28 | 浙江聚珖科技股份有限公司 | Semiconductor cooling and heating fan |
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| CN108792293B (en) * | 2018-06-27 | 2019-11-05 | 细胞谷(南京)生物科技有限公司 | A kind of stem cell refrigerated transport case that cruising ability is strong |
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| CN110068197A (en) * | 2019-05-22 | 2019-07-30 | 江南大学 | A kind of solar powered semiconductor refrigerating temperature control antistaling box |
| CN110134213B (en) * | 2019-05-23 | 2021-06-25 | 杭州万骏创业服务有限公司 | CPU radiator |
| CN110134213A (en) * | 2019-05-23 | 2019-08-16 | 牛建 | A kind of cpu heat |
| CN112556278A (en) * | 2020-12-31 | 2021-03-26 | 盐城万洋农副产品有限公司 | Solar energy-saving environment-friendly refrigerating device |
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