CN103954093B - Portable type solar energy freezes chilled case - Google Patents
Portable type solar energy freezes chilled case Download PDFInfo
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- CN103954093B CN103954093B CN201410163972.2A CN201410163972A CN103954093B CN 103954093 B CN103954093 B CN 103954093B CN 201410163972 A CN201410163972 A CN 201410163972A CN 103954093 B CN103954093 B CN 103954093B
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
Portable type solar energy freezes chilled case, comprise casing, solar energy photovoltaic panel is provided with outside casing, battery is provided with in casing, semiconductor refrigerating part, the fresh-keeping part in cogeneration magnetic field and electronic control system, semiconductor refrigerating part 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 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 civil power input port for subsequent use, power source management controller is connected with temperature indicator, thermoregulator and illumination output port, battery is connected with the input of solar energy photovoltaic panel and power source management controller respectively.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, and portable easy-to-use, long service life, maintenance cost is low.
Description
Technical field
The invention belongs to solar energy, refrigeration and Food Science combined technology field, particularly relate to a kind of portable type solar energy and to freeze chilled case.
Background technology
Current cryopreservation is the most widely used storage practice in the world today, and after traditional refrigeration, freeze preservation, ice temperature fresh-keeping technology can not crack cell, suppresses respiration and harmful microbe activity.As a brand-new storage technique, ice temperature fresh-keeping overcomes the many disadvantages of refrigeration and cold storage, the local flavor of food, mouthfeel and freshness can well be ensured, improve the quality of food, realize the long-term storage of food, therefore, it is possible to improve the value of commodity, also meet consumer to the quality requirement eating fruit, vegetables raw simultaneously, become and be only second to refrigeration, the third freezing preservation technique and noticeable.
In recent years, along with expanding economy, growth in the living standard, the quality requirement of consumer to fruits and vegetables, poultry meat, aquatic products is also more and more higher.These are all had higher requirement to the fruits and vegetables of China, food storage preservation technique.Ice temperature fresh-keeping technology has obtained in some countries and regions such as Japan, the U.S., Korea S, Britain and has applied.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, from Japanese Agriculture, Forestry and Fisheries Ministry in 1998, agricultural-products ice temperature preservation technique is defined as the new and high technology of support 21 century development subsequently, ice temperature fresh-keeping technology is widely applied in Japan, and establishes corresponding ice temperature cold chain system.
China is 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, and consume the existence of self nutrient because fruits and vegetables relies on after gathering, best fresh-keeping mode is cryopreservation.From 1999, China's fruits output more than 6,000 ten thousand tons, ranked the first in the world; Yield of vegetables breaks 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 carries out agricultural-products ice temperature Study on preservation technique and start from 2004.Along with continuous expansion and the in-depth of 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, poultry meat remarkable, obtain certain success, but experimental facilities is relatively backward, ice temperature storage facilities is all formed by common freezer or refrigerator transformation, is difficult to the requirement arriving 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 ensures the chilled state of food in transportation, has become the certainty of ice temperature fresh-keeping Food circulation art.
At present, portable chilled case is changed a social system by small-sized mini refrigerator mostly, and adopt compression-type refrigeration mode, power consumption is large; Electric power is often provided by battery or vehicle power, not energy-conservation; Even if adopt solar powered, but photovoltaic utilization rate is not high; Also 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.All there is the problems such as refrigerating efficiency is low, wastes power, fresh-keeping effect are poor, light not in these, constrains its development.
Summary of the invention
The present invention 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, that long service life, maintenance cost are low portable type solar energy freezes chilled case.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: portable type solar energy freezes chilled case, comprise casing, solar energy photovoltaic panel is provided with outside casing, battery is provided with in casing, semiconductor refrigerating part, the fresh-keeping part in cogeneration magnetic field and electronic control system, semiconductor refrigerating part 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 civil power input port for subsequent use, power source management controller is connected with temperature indicator, thermoregulator and illumination output port, battery is connected with the input of solar energy photovoltaic panel and power source management controller 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, and two groups of solar energy photovoltaic panels and two group storage battery cascades, two group storage battery symmetries are located at bottom half.
Be provided with fresh-keeping chamber in described casing, 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, ensure that the absorption collector area of solar energy photovoltaic panel to greatest extent; Two groups of complementary batteries ensure enough supplies of electric power, and the symmetry that design adopts places form, ensures to carry balance, and discharge and recharge design adopts intelligent power supply management means.
2, based on Peltier principle effect, refrigerating part adopts semiconductor refrigerating design.Semiconductor chilling plate directly can utilize dc source, reduces inversion electric quantity loss.And the pollution-free noiselessness that works, be easy to control, regulate, the life-span is long, and volume is little, and cooling parameters, not by direction in space and gravity effect, is applicable to portable refrigerating and uses very much.Semiconductor chilling plate needs good heat radiation, therefore devises fin.Mini-fan can strengthen gaseous exchange in casing, thus 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 carried out recovery by semiconductor temperature differential generating sheet and realizes thermo-electric generation, when the thermopile two ends of semiconductor temperature differential generating sheet are in different temperatures, electromotive force will be produced, the electricity exported is loaded into magnetic coil, independently stationary magnetic field environment is formed in fresh-keeping chamber inside, thus the original biological magnetic field characteristic of food can be broken, reduce food magnetic fluctuation, food is made to enter vital signs slow rest period, slow down food product hydrone active, suppress water loss, safeguard that food moisture balances, maintain original nutritional labeling and color and luster local flavor to a certain extent, serve 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, charges to battery simultaneously.Power source management controller first the every group storage battery of Real-Time Monitoring power condition and carry out prediction and judge, the voltage of which group storage battery is minimum just opens its charge switch; Simultaneously its output switch is opened to system power supply in the most higher position of the voltage of which group storage battery, thus reach the effect of intelligent charging electricity consumption, can efficiency be improved on the one hand, effectively can avoid overcharge and the deep discharge of battery 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, employs 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 instruction, battery condition, load and various indicating fault.The parameter being related to accumulator capacity by the terminal voltage, discharge current, environment temperature etc. of computer chip to battery is sampled, peculiar Controlling model is used to calculate, realize meeting the discharge rate of battery characteristics, efficient, the high-accuracy of temperature-compensating correction controls, and the charge mode adopted with efficient PWM battery, ensure that battery-operated is in the state of the best, extends the service life of battery greatly.Chip can run freely at cold, high temperature, wet environment.There is multiple-working mode, output mode is selected, meet the various needs of user.Compare with traditional controller and eliminate potentiometer adjustment control set point, and make use of each job control point of flash storage record, make to arrange digitlization, eliminate because potentiometer vibrations off normal, temperature drift etc. make control point occur the factor of error-reduction accuracy, reliability.
6, the accurate control of discharge of battery discharge rate characteristic revision is utilized.Final discharging voltage is by the control point of discharge rate curve amendment, eliminates simple Control of Voltage and crosses the inaccuracy of putting, meet the characteristic that battery is intrinsic, and namely different discharge rates has different end of a period voltage.Have overcharge, cross put, electrical short, overload protection, the Automatic Control such as unique anti-reverse protection; More than protect and all do not damage any parts, do not burn insurance; Have employed tandem PWM charging main circuit, make the loss of voltage of charge circuit comparatively use the charging circuit of diode to reduce nearly half, charge efficiency more non-PWM height 3%-6%, adds 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 more grown.
7, external temperature indicator and thermoregulator are by electrical adjustment, and temperature can at-1 DEG C--and arrange between 5 DEG C, the ice temperature fresh-keeping refrigeration requirement that meat products, fruits and vegetables class, grain etc. are different can be met.
8, input and output Peripheral Interface is provided.In case of emergency can provide LED illumination lamp or mobile phone charging by output voltage; Under the weather condition of continuous wet weather, by operation transformation controller, by civil power input port for subsequent use for battery provides charging.
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, and portable easy-to-use, long service life, maintenance cost is low.Along with improving constantly of living standard, the requirement of people to food security and biological preservation is more and more higher, 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.
Detailed description of the invention
As shown in Figure 1, portable type solar energy of the present invention freezes chilled case, comprise casing 4, solar energy photovoltaic panel 1 is provided with outside casing 4, battery 10 is provided with in casing 4, semiconductor refrigerating part, the fresh-keeping part in cogeneration magnetic field and electronic control system, semiconductor refrigerating part 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 civil power input port 6 for subsequent use, power source management controller 9 is connected with temperature indicator 2, thermoregulator 8 and illumination output port 7, battery 10 is connected with the input of solar energy photovoltaic panel 1 and power source management controller 9 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, and two groups of solar energy photovoltaic panels 1 and two group storage battery 10 cascades, two group storage battery 10 symmetries are located at bottom casing 4.
Be provided with fresh-keeping chamber in casing 4, 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, ensure that the absorption collector area of solar energy photovoltaic panel 1 to greatest extent; Two groups of complementary batteries 10 ensure enough supplies of electric power, and the symmetry that design adopts places form, ensures to carry balance, and discharge and recharge design adopts intelligent power supply management means.
2, based on Peltier principle effect, refrigerating part adopts semiconductor refrigerating design.Semiconductor chilling plate 11 directly can utilize dc source, reduces inversion electric quantity loss.And the pollution-free noiselessness that works, be easy to control, regulate, the life-span is long, and volume is little, and cooling parameters, not by direction in space and gravity effect, is applicable to portable refrigerating and uses very much.Semiconductor chilling plate 11 needs good heat radiation, therefore devises fin 13.Mini-fan 14 can strengthen gaseous exchange in casing 4, thus 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 carried out recovery by semiconductor temperature differential generating sheet 12 and realizes thermo-electric generation, when the thermopile two ends of semiconductor temperature differential generating sheet 12 are in different temperatures, electromotive force will be produced, the electricity exported is loaded into magnetic coil 3, independently stationary magnetic field environment is formed in fresh-keeping chamber inside, thus the original biological magnetic field characteristic of food can be broken, reduce food magnetic fluctuation, food is made to enter vital signs slow rest period, slow down food product hydrone active, suppress water loss, safeguard that food moisture balances, maintain original nutritional labeling and color and luster local flavor to a certain extent, serve 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, charges to battery 10 simultaneously.Power source management controller 9 first the every group storage battery 10 of Real-Time Monitoring power condition and carry out prediction and judge, the voltage of which group storage battery 10 is minimum just opens its charge switch; Simultaneously its output switch is opened to system power supply in the most higher position of the voltage of which group storage battery 10, thus reach the effect of intelligent charging electricity consumption, can efficiency be improved on the one hand, effectively can avoid overcharge and the deep discharge of battery 10 on the other hand, extend battery 10 life-span.
5, for realizing this intelligent electric source control, power source management controller 9 aims at the cooling electric system design of solar DC, employs 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 instruction, battery 10 state, load and various indicating fault.The parameter being related to battery 10 capacity by the terminal voltage, discharge current, environment temperature etc. of computer chip to battery 10 is sampled, peculiar Controlling model is used to calculate, realize meeting the discharge rate of battery 10 characteristic, efficient, the high-accuracy of temperature-compensating correction controls, and the charge mode adopted with efficient PWM battery 10, ensure that battery 10 is operated in best state, greatly extend the service life of battery 10.Chip can run freely at cold, high temperature, wet environment.There is multiple-working mode, output mode is selected, meet the various needs of user.Compare with traditional controller and eliminate potentiometer adjustment control set point, and make use of each job control point of flash storage record, make to arrange digitlization, eliminate because potentiometer vibrations off normal, temperature drift etc. make control point occur the factor of error-reduction accuracy, reliability.
6, the accurate control of discharge of battery 10 discharge rate characteristic revision is utilized.Final discharging voltage is by the control point of discharge rate curve amendment, eliminates simple Control of Voltage and crosses the inaccuracy of putting, meet the characteristic that battery 10 is intrinsic, and namely different discharge rates has different end of a period voltage.Have overcharge, cross put, electrical short, overload protection, the Automatic Control such as unique anti-reverse protection; More than protect and all do not damage any parts, do not burn insurance; Have employed tandem PWM charging main circuit, make the loss of voltage of charge circuit comparatively use the charging circuit of diode to reduce nearly half, charge efficiency more non-PWM height 3%-6%, adds 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 more grown.
7, external temperature indicator 2 and thermoregulator 8 are by electrical adjustment, and temperature can at-1 DEG C--and arrange between 5 DEG C, the ice temperature fresh-keeping refrigeration requirement that meat products, fruits and vegetables class, grain etc. are different can be met.
8, input and output Peripheral Interface is provided.In case of emergency can provide LED illumination lamp or mobile phone charging by output voltage; Under the weather condition of continuous wet weather, by operation transformation controller 5, by civil power input port 6 for subsequent use for battery 10 provides charging.
More than show and describe general 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; what describe in above-described embodiment and description 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.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (3)
1. portable type solar energy freezes chilled case, it is characterized in that: comprise casing, solar energy photovoltaic panel is provided with outside casing, battery is provided with in casing, semiconductor refrigerating part, the fresh-keeping part in cogeneration magnetic field and electronic control system, semiconductor refrigerating part 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 civil power input port for subsequent use, power source management controller is connected with temperature indicator, thermoregulator and illumination output port, battery is connected with the input of solar energy photovoltaic panel and power source management controller respectively.
2. portable type solar energy according to claim 1 freezes chilled case, 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. portable type solar energy according to claim 1 and 2 freezes chilled case, it is characterized in that: be provided with fresh-keeping chamber in described casing, magnetic coil is located in fresh-keeping chamber.
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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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| CN201410163972.2A CN103954093B (en) | 2014-04-23 | 2014-04-23 | Portable type solar energy freezes chilled case |
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| CN103954093B true CN103954093B (en) | 2016-03-16 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| KR101909370B1 (en) | 2017-02-01 | 2018-10-17 | 엘지전자 주식회사 | Cooling and heating cabinet |
| CN107347976B (en) * | 2017-08-17 | 2023-03-21 | 河南牧业经济学院 | Solar energy fruit vegetables auxiliary fresh-keeping device |
| 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 |
| 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 |
| CN112556278B (en) * | 2020-12-31 | 2022-12-06 | 池州市金能供热有限公司 | Solar energy-saving environment-friendly refrigerating device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20020104318A1 (en) * | 2001-02-08 | 2002-08-08 | Ali Jaafar | Miniature thermoelectric cooler |
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2014
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| JP2003035480A (en) * | 2001-07-24 | 2003-02-07 | Matsushita Refrig Co Ltd | Electronic cold and hot storage chamber |
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Address after: 450011 Henan Province, Zhengzhou City North Road No. 16 Applicant after: HENAN University OF ANIMAL HUSBANDRY AND ECONOMY Address before: 450011 Henan Province, Zhengzhou City North Road No. 16 Applicant before: Zhengzhou College of Animal Husbandry Engineering |
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Inventor after: Du Jinyu Inventor after: Bu Wenjing Inventor after: Hao Xiuzhen Inventor after: Zhang Bing Inventor after: Zhou Dan Inventor after: Xu Weixing Inventor before: Du Jinyu Inventor before: Bu Wenjing Inventor before: Wang Shuai Inventor before: Lv Xing Inventor before: Wang Yi |
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