CN103836865B - There is the refrigerator of heat preservation and dryness mechanism - Google Patents

There is the refrigerator of heat preservation and dryness mechanism Download PDF

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Publication number
CN103836865B
CN103836865B CN201310641001.XA CN201310641001A CN103836865B CN 103836865 B CN103836865 B CN 103836865B CN 201310641001 A CN201310641001 A CN 201310641001A CN 103836865 B CN103836865 B CN 103836865B
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refrigeration
freezing
moist closet
phase
condenser
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CN103836865A (en
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裴刚
曹静宇
季杰
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University of Science and Technology of China USTC
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University of Science and Technology of China USTC
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Abstract

The present invention relates to the refrigerator with heat preservation and dryness mechanism.Comprise freezing and refrigeration room and refrigeration mechanism, the bottom of freezing and refrigeration outside is provided with moist closet; Be provided with phase-change thermal storage block in moist closet, the condensation segment of the gravity assisted heat pipe of more than five is inserted in phase-change thermal storage block, and it is outer and insert in the condenser coil of described condenser respectively that the evaporator section of the gravity assisted heat pipe of more than five extends moist closet; Freezing and refrigeration indoor are provided with ventilation tubule, and the two ends of ventilation tubule stretch in moist closet respectively, and wherein one end is air inlet, and the other end is air outlet; Air inlet is provided with mini-fan; The ventilation tubule being positioned at freezing and refrigeration indoor is communicated with drainpipe by three-way pipe, and the discharge outlet of drainpipe extends freezing and refrigeration outdoor.The temperature of incubator of the present invention remains on 40 ~ 50 DEG C.When Temperature of Working in condenser coil is greater than the temperature of phase change heat storage material in moist closet, gravity assisted heat pipe starts, and used heat is passed to phase change heat storage material in moist closet, otherwise gravity assisted heat pipe is closed.

Description

There is the refrigerator of heat preservation and dryness mechanism
Technical field
The invention belongs to household appliances multifunctional refrigerator technical field, being specifically related to the environmental protection and energy saving refrigerator that condensation waste heat reclaims for being incubated, drying is degerming.
Background technology
Under the overall background nowadays advocating energy-conserving and environment-protective, in refrigerator field, explore the scheme of the Appropriate application of refrigerator used heat, such as, utilize the used heat of condenser for refrigerator to come heat hot water or food and drying clothes etc.The imagination using refrigerator waste heat heater incubator is mentioned in patent 96112986.7, but do not consider that the higher temperature of thermal-insulating body can have influence on condenser for refrigerator radiating efficiency to a certain extent, and due to refrigerator intermittently used feature, the problem of the temperature instability in incubator is not also resolved.Patent 200720186914.7 contains the method using article in the direct drying baker of refrigerator waste heat, but consider that different regions and Various Seasonal environment humidity vary in size, harmful effect can be produced to the drying sterilizing effect of drying box when ambient humidity is very high.
Heat pipe is a kind of heat conducting element of ultrahigh in efficiency, it have volume compact, lightweight, noiseless, need not the good characteristic of auxiliary element.Heat pipe prolongs axis and is divided into condensation segment, adiabatic section, evaporator section.Gravity assisted heat pipe is the one in heat pipe, does not have liquid-sucking core, just can return evaporator section, therefore do not need additionaling power by the gravity of condensate liquid self, and gravity assisted heat pipe is the thermal diode that can only conduct heat along one direction (bottom-up).
Summary of the invention
In order to solve the problem that can produce harmful effect and Waste Heat Reuse reduction refrigeration for refrigerator efficiency when the incubator temperature existed in the comprehensive utilization of refrigerator used heat is unstable, ambient humidity is very high to the drying sterilizing effect of drying box, the present invention is improved by structure and provides a kind of refrigerator with heat preservation and dryness mechanism integrating heat preservation and dryness degerming functions.
Concrete technical solution is as follows:
The refrigerator with heat preservation and dryness mechanism comprises freezing and refrigeration room and refrigeration mechanism, and described refrigeration mechanism comprises evaporimeter, capillary, compressor and condenser; Described evaporimeter is positioned at freezing and refrigeration indoor, and described capillary, compressor and condenser are all positioned at the outside of freezing and refrigeration room; Improvement is: also comprise moist closet, and described moist closet is positioned at the bottom of freezing and refrigeration outside; Be provided with phase-change thermal storage block in described moist closet, the condensation segment of the gravity assisted heat pipe of more than five is inserted in phase-change thermal storage block, and it is outer and insert in the condenser coil of described condenser respectively that the evaporator section of the gravity assisted heat pipe of more than five extends moist closet; Described freezing and refrigeration indoor are provided with ventilation tubule, and the two ends of described ventilation tubule stretch in moist closet respectively, and one end of ventilation tubule is air inlet, and the other end is air outlet; Described air inlet is provided with mini-fan; The discharge outlet being positioned at the ventilation tubule lowest part of freezing and refrigeration indoor is communicated with drainpipe by three-way pipe, and drainpipe extends freezing and refrigeration outdoor; The ventilation tubule of described air outlet side is provided with valve.
Described phase-change thermal storage block is positioned at moist closet inner bottom part, and described phase-change thermal storage block of material selects phase transition temperature to be 40 ~ 50 DEG C of shaping phase-change materials.
The ventilation tubule of described air inlet side is horizontal L shape pipe, and bending place is higher than three-way pipe, and the ventilation tubule of air outlet side is inverted-loop tube.
Advantageous Effects of the present invention embodies in the following areas:
(1) temperature of incubator of the present invention remains on 40 ~ 50 DEG C.Due to the diode property of gravity assisted heat pipe, when Temperature of Working in condenser coil is greater than the temperature of phase change heat storage material in moist closet, heat pipe starts, the recyclable used heat of condenser leading portion working medium superheat section is passed to phase change heat storage material in moist closet, when the Temperature of Working in condenser coil is lower than phase change heat storage material, heat pipe is closed, temperature in phase change heat storage material can not be delivered in condenser coil, can ensure that in moist closet, phase change heat storage material by the reverse heat conduction of heat pipe, also can not can ensure that moist closet can not exceed preference temperature;
(2) present invention uses the phase-change thermal storage block that solid fixed phase change heat-storing material is formed, compressor due to refrigerator is discontinuous, the phase-change thermal storage block of gravity assisted heat pipe heating can ensure can not reduce in freezer compressor inside holding indoor temperature out-of-work break time, and then accurately controls incubator temperature;
(3) heat-recoverable that refrigerator is compressed outlet superheat working medium by the present invention is used for the indoor phase change heat storage material of heating and thermal insulation, when the temperature of phase-change heat-storage material compresses the temperature of outlet superheat working medium lower than refrigerator, first the heat crossing hot working fluid conducts heat to gravity assisted heat pipe evaporator section wall, along with in condenser, the temperature of working medium constantly reduces, when the temperature of working medium during the temperature of phase-change heat-storage material is higher than condenser, gravity assisted heat pipe quits work, cross hot working fluid to conduct heat to gravity assisted heat pipe evaporator section wall, then main dependence is conducted heat to environment by condenser coil outer wall, by the present invention of this principle can when not affecting condenser for refrigerator operating efficiency Appropriate application condenser used heat,
(4) the present invention flows through refrigerating chamber by making air in incubator by the tubule that ventilates, because gas temperature sharply declines, the steam in air can condense into water, and refrigerator discharged by the drainpipe be communicated with by discharge outlet on ventilation tubule, air through super-dry enters in moist closet again, forms circulation.Such occluded air cold cycling can ensure indoor seasoning degree not by external environment influence, also has certain sterilizing function.
Therefore the present invention uses heat pipe directly to shift the heat of working medium in condenser to come heating and thermal insulation room, on the basis not increasing system loading and complexity, conventional refrigerator adds the New function of drying sterilizing, heating and thermal insulation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is fundamental diagram.
Fig. 3 is the partial enlarged drawing of Fig. 1.
Sequence number in upper figure: condenser coil 1, heat pipe evaporator section 2, heat pipe adiabatic section 3, heat pipe condenser section 4, phase-change thermal storage block 5, gravity assisted heat pipe 6, freezing and refrigeration room 7, moist closet 8, air outlet 9, drainpipe 10, ventilation tubule 11, mini-fan 12, valve 13, compressor 14, condenser 15, capillary 16, evaporimeter 17, thermal insulation layer 18.
Detailed description of the invention
Below in conjunction with accompanying drawing, by embodiment, the present invention is further described.
Embodiment
See Fig. 1, the refrigerator with heat preservation and dryness mechanism comprises freezing and refrigeration room 7 and refrigeration mechanism.Refrigeration mechanism comprises evaporimeter 17, capillary 16, compressor 14 and condenser 15, and evaporimeter 17 is positioned at freezing and refrigeration room 7, and capillary 16, compressor 14 and condenser 15 are all positioned at the outside of freezing and refrigeration room 7.Bottom outside freezing and refrigeration room 7 is provided with moist closet 8.Moist closet 8 inner bottom part is equipped with phase-change thermal storage block 5, and phase-change thermal storage block of material is shaping phase-change material, and the research of shaping phase-change material is comparatively ripe in the field of about 40 ~ 50 DEG C in phase transition temperature, has plurality of optional scheme.The result of study of Department of Science and Technology's 11th Five-Year national science and technology supporting plan project that China Science & Technology University bears, content is that building accumulation of energy insulation material and systematic research are developed and demonstrate, bullets is 2008BAJ12B04, the phase transition temperature of this solid shaping phase-change material is about 40 ~ 50 DEG C, substantially can meet the requirement of moist closet 8 pairs of temperature.The condensation segment of six roots of sensation gravity assisted heat pipe 6 is inserted in phase-change thermal storage block 5, and the evaporator section of six roots of sensation gravity assisted heat pipe 6 extends outside moist closet 8 and also inserts respectively in the condenser coil 1 of described condenser 15, sees Fig. 3.Be provided with ventilation tubule 11 in freezing and refrigeration room 7, the two ends of ventilation tubule 11 stretch in moist closet 8 respectively, and one end of ventilation tubule 11 is air inlet, and the other end is air outlet 9; Air inlet is provided with mini-fan 12; The ventilation tubule 11 being positioned at freezing and refrigeration room 7 is communicated with drainpipe 10 by three-way pipe, and it is outside that the discharge outlet of drainpipe 10 extends freezing and refrigeration room 7; The ventilation tubule 11 of air outlet 9 side is provided with valve 13.The height of the ventilation tubule 11 that the height of drainpipe 10 is communicated with lower than both sides; The ventilation tubule of air inlet side is horizontal L shape pipe, and bending place is higher than air inlet, and the ventilation tubule 11 of air outlet 9 side is inverted-loop tube.
Operation principle of the present invention is described as follows:
See Fig. 2, during refrigerator refrigeration system work, first the temperature that pipeline inner compressor 14 exports working medium is greater than the temperature of phase-change thermal storage block 5 in moist closet 8, in gravity assisted heat pipe 6 working medium absorption refrigeration working medium heat and evaporate, be condensed into liquid reflux by heat pipe adiabatic section 3 to heat pipe condenser section 4 and complete circulation, reject heat in phase change heat storage material simultaneously; When after refrigeration working medium flows a period of time in condenser coil 1, the temperature of phase-change thermal storage block 5 is greater than the temperature of refrigeration working medium in condenser coil 1, due to the one-way heat conduction effect of gravity assisted heat pipe 6, temperature in phase-change thermal storage block 5 can not back transfer in condenser coil 1, can ensure that in moist closet 8, phase change heat storage material can not cause heat loss by the reverse heat conduction of heat pipe.
When refrigerator refrigeration system quits work, compressor 14 and refrigeration working medium temperature reduce, and the one-way heat conduction effect of the gravity assisted heat pipe 6 on it can ensure that in moist closet 8, heat can not along gravity assisted heat pipe 6 reverse conduction; In moist closet 8, phase-change thermal storage block 5 is by the thermal release of storage in moist closet 8 simultaneously, and the temperature stabilization of guarantee moist closet 8 is constant, guarantees the heat insulation effect of moist closet 8.
See Fig. 3, condenser for refrigerator 15 condensing units mechanism.Gravity assisted heat pipe 6 closed at both ends, in front several condenser coils 1 of heat pipe evaporator section 2 embeddeding refrigerator condenser 15, heat pipe condenser section 4 is arranged in the phase-change thermal storage block 5 of moist closet 8, and the first five root condenser coil 1 of condenser 15 is positioned at below phase-change thermal storage block 5.The part that refrigeration working medium is positioned at condenser 15 leading portion is when the refrigerant system is operating in superheat state, and this mechanism can directly utilize this part heat-recoverable to heat phase change heat storage material, and the heat loss in the diabatic process of gravity assisted heat pipe 6 is more much smaller than common heat transfer.When temperature lower than refrigeration working medium of the temperature of phase-change thermal storage block 5, first the heat crossing hot working fluid conducts heat to gravity assisted heat pipe 6 evaporator section wall, when temperature higher than refrigeration working medium of the temperature of phase-change thermal storage block 5, then conducted heat to environment by condenser coil 1 outer wall, the operating efficiency of condenser for refrigerator 15 is had an impact hardly.
See Fig. 1, the drying sterilizing mechanism of moist closet 8 comprises mini-fan 12, ventilation tubule 11, drainpipe 10, valve 13, air outlet 9, when functions/drying is opened, the micro-air of moist closet 8 is blown in ventilation tubule 11 by mini-fan 12, after ventilation tubule 11 enters refrigerating chamber, its air temperature sharply declines, steam in air can condense into water, flows into drainpipe 10 by the ventilation tubule 11 tilted, and discharges refrigerator, air through super-dry enters in moist closet 8 again, forms circulation.The drying sterilizing function of moist closet 8 is ensured by the air cold cycling closed.

Claims (3)

1. have the refrigerator of heat preservation and dryness mechanism, comprise freezing and refrigeration room and refrigeration mechanism, described refrigeration mechanism comprises evaporimeter, capillary, compressor and condenser; Described evaporimeter is positioned at freezing and refrigeration indoor, and described capillary, compressor and condenser are all positioned at the outside of freezing and refrigeration room; It is characterized in that: also comprise moist closet, described moist closet is positioned at the bottom of freezing and refrigeration outside; Be provided with phase-change thermal storage block in described moist closet, the condensation segment of the gravity assisted heat pipe of more than five is inserted in phase-change thermal storage block, and it is outer and insert in the condenser coil of described condenser respectively that the evaporator section of the gravity assisted heat pipe of more than five extends moist closet; Described freezing and refrigeration indoor are provided with ventilation tubule, and the two ends of described ventilation tubule stretch in moist closet respectively, and one end of ventilation tubule is air inlet, and the other end is air outlet; Described air inlet is provided with mini-fan; The discharge outlet being positioned at the ventilation tubule lowest part of freezing and refrigeration indoor is communicated with drainpipe by three-way pipe, and drainpipe extends freezing and refrigeration outdoor; The ventilation tubule of described air outlet side is provided with valve.
2. the refrigerator with heat preservation and dryness mechanism according to claim 1, is characterized in that: described phase-change thermal storage block is positioned at moist closet inner bottom part, and described phase-change thermal storage block of material selects phase transition temperature to be 40 ~ 50 DEG C of shaping phase-change materials.
3. the refrigerator with heat preservation and dryness mechanism according to claim 1, is characterized in that: the ventilation tubule of described air inlet side is horizontal L shape pipe, and bending place is higher than three-way pipe, and the ventilation tubule of air outlet side is inverted-loop tube.
CN201310641001.XA 2013-12-04 2013-12-04 There is the refrigerator of heat preservation and dryness mechanism Active CN103836865B (en)

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CN104236234A (en) * 2014-09-23 2014-12-24 上海理工大学 Heat-recovery refrigerator
DE102014222108A1 (en) * 2014-10-29 2016-05-04 BSH Hausgeräte GmbH Refrigeration device with a heat exchange element
CN104697276B (en) * 2015-01-15 2016-09-07 合肥工业大学 There is the air cooling type refrigerator of heat pipe type thermal storage defrosting mechanism
CN106288507A (en) * 2015-05-27 2017-01-04 中南大学 A kind of hotel drying hot water freezing integrated apparatus
CN105258429B (en) * 2015-11-23 2017-09-05 天津商业大学 A kind of multi-functional environment-protection refrigerator
CN108466770A (en) * 2018-05-22 2018-08-31 天津商业大学 A kind of phase change cold-storage plate based on adopting heat pipes for heat transfer for Refrigerated Transport
CN108709353A (en) * 2018-07-04 2018-10-26 山西港旭节能烘干设备科技有限公司 A kind of difunctional equipment that can be dried and be refrigerated using air
CN110236415B (en) * 2019-06-24 2021-03-19 深圳百年厨具有限公司 Energy-saving environment-friendly electric heating thermal insulation cabinet
US20210076862A1 (en) * 2019-09-17 2021-03-18 Haier Us Appliance Solutions, Inc. Refrigerator appliance with cooking features
CN111520960A (en) * 2020-04-28 2020-08-11 珠海格力电器股份有限公司 Energy recovery equipment of refrigerator and refrigerator
CN111760312A (en) * 2020-07-10 2020-10-13 郑州大学 Waste heat secondary utilization device in cyclohexane plasticizer generation

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CN103206822A (en) * 2013-01-30 2013-07-17 吴江市新金城不锈钢制品有限公司 Heat pump type refrigerator
CN203586650U (en) * 2013-12-04 2014-05-07 中国科学技术大学 Refrigerator with heat insulation drying mechanism

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Publication number Priority date Publication date Assignee Title
CN1149704A (en) * 1996-09-25 1997-05-14 马景荣 Thermal insulation refrigerator
CN201184728Y (en) * 2007-12-14 2009-01-21 王敏 Environment protection energy-saving drying, hot-water, refrigeration multifunctional refrigerator
CN202126133U (en) * 2011-06-30 2012-01-25 广东海洋大学 Application system of recycling waste heat of refrigerator to preheat water dispenser
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