CN103983064B - Passive car refrigerator - Google Patents
Passive car refrigerator Download PDFInfo
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- CN103983064B CN103983064B CN201410209450.1A CN201410209450A CN103983064B CN 103983064 B CN103983064 B CN 103983064B CN 201410209450 A CN201410209450 A CN 201410209450A CN 103983064 B CN103983064 B CN 103983064B
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- polyurethane foam
- hard polyurethane
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Abstract
The present invention relates to a kind of passive car refrigerator, comprise insulation box and agent for storage of coldness; The main body of described insulation box is made up of top wall portion, bottom wall part, front wall portion, rear wall parts, left wall and right wall portion, and described left wall is can the structure of folding, and described antetheca also offers front side door; And each described wall portion includes outer shell, vacuum heat-insulating plate and hypostracum, and is filled with the first hard polyurethane foam between described outer shell and described vacuum heat-insulating plate; The second hard polyurethane foam is filled with between described hypostracum and described vacuum heat-insulating plate.Passive car refrigerator of the present invention adopts agent for storage of coldness vaporization absorb heat and be diffused into the direct refrigeration modes in body of thermal insulating box, and without the need to adopting the electric power system of supply electric compressor mechanomotive force, thus greatly can improve the plot ratio of whole cold storage refrigerator, compared with prior art, not only invest low, and for the transport of a small amount of article or variety classes article, significantly cost of transportation can be reduced.
Description
Technical field
The present invention relates to the technical field of Refrigerated Transport, more particularly, the present invention relates to a kind of passive car refrigerator.
Background technology
Refrigerating transporting apparatus refers to that itself can maintain certain low temperature environment, and the facility of energy transfer of cryogenic kinds of goods and device; And refrigerating box is last link in cold chain.Refrigerated Transport should have good cold insulation, ventilation equipment; Casing should have good heat-proof quality, should have certain ventilation device, capable of washing; Should have that load-bearing is large, dischargeable capacity is large, from the feature of heavy and light, and there is good applicability.Need the article of Refrigerated Transport to mainly contain fresh veterinary antibiotics, outside the food such as aquatic products, usually also comprise the less article of the scale of constructions such as medicine, vaccine and electronic component.In prior art, Refrigerated Transport adopts usually carries out with motor compressor the van container that freezes, namely usually described active refrigerated transport case; This container is economically viable for the REFC of amount transport one species, if but the such as accurate electronic component of the goods being less than a whole container for transport or medicine etc. adopt active refrigerated transport case to transport, the electric energy that the motor compressor that then needs to give security in transportation normally works, especially at transport small article or add cost of transportation in requiring the transportation that the article of different refrigerated storage temperature load in mixture.
Summary of the invention
In order to solve above-mentioned technical problem of the prior art, the object of the present invention is to provide a kind of passive car refrigerator.
Realize goal of the invention in order to the technical problem that solves described in invention, present invention employs following technical scheme:
A kind of passive car refrigerator, comprises insulation box and is arranged on the agent for storage of coldness in insulation box; It is characterized in that: the main body of described insulation box is made up of top wall portion, bottom wall part, front wall portion, rear wall parts, left wall and right wall portion, described left wall is can the structure of folding, and described antetheca also offers front side door; And each described wall portion includes outer shell, vacuum heat-insulating plate and hypostracum, and is filled with the first hard polyurethane foam between described outer shell and described vacuum heat-insulating plate; The second hard polyurethane foam is filled with between described hypostracum and described vacuum heat-insulating plate.
Wherein, described agent for storage of coldness is liquid, and is stored in pressure steel cylinder.
Wherein, described insulation box is also provided with the pressure relief device for discharging the gas in described body of thermal insulating box.
Wherein, in described insulation box, be also provided with the refrigeration piping spiraled, described refrigeration pipe is provided with expansion valve.
Wherein, described first hard polyurethane foam and the second hard polyurethane foam mix cast by the composition of the ethyl acetate of the pentamethylene of the triethylenediamine of the dimethyl silicone polymer of the polyethylenimine resins of the end hydroxy butadiene of the PEBA-1000 of the PEA-1000 of the vulcabond of 20.5 ~ 25.0wt%, 15.0 ~ 18.0wt%, 5.0 ~ 7.5wt%, 2.0 ~ 2.5wt%, 2.5 ~ 3.5wt%, 1.5 ~ 1.8wt%, 0.20 ~ 0.25wt%, 12.0 ~ 15.0wt%, the water of 0.8 ~ 1.5wt% and surplus to obtain.
Wherein, described vulcabond is liquefied mdi, such as Carbodiimide-Modified MDI.
Wherein, described agent for storage of coldness is dry ice, liquid carbon dioxide or liquid nitrogen.
Wherein, described outer shell and described outer shell are made by metal or alloy material.
Wherein, the thickness of described vacuum insulation flaggy is 10 ~ 20mm, the thickness of described first hard polyurethane foam is 25 ~ 50mm, the thickness of described second hard polyurethane foam is 25 ~ 50mm, and the thickness of described first hard polyurethane foam and the thickness of the second hard polyurethane foam are more than 2 times of vacuum heat-insulating plate layer thickness.
Compared with immediate prior art, passive car refrigerator of the present invention has following beneficial effect:
Passive car refrigerator of the present invention adopts agent for storage of coldness vaporization absorb heat and be diffused into the direct refrigeration modes in body of thermal insulating box, and without the need to adopting the electric power system of supply electric compressor mechanomotive force, thus greatly can improve the plot ratio of whole cold storage refrigerator, compared with prior art, not only invest low, and for the transport of a small amount of article or variety classes article, significantly cost of transportation can be reduced.Passive car refrigerator of the present invention effectively can prevent heat radiation between box house and external environment, heat transfer and thermal convection current by the structure of above-mentioned body of thermal insulating box.
Accompanying drawing explanation
Fig. 1 is the structural representation of the passive car refrigerator described in embodiment 1.
Detailed description of the invention
Below with reference to specific embodiment, passive car refrigerator of the present invention is further elaborated, has more complete, accurate and deep understanding to help those skilled in the art to inventive concept of the present invention, technical scheme; In embodiment, the description of related structure, material and technique etc. is all exemplary, and does not refer to the restriction to invention protection domain.
As shown in Figure 1, passive car refrigerator of the present invention, comprises insulation box and is arranged on the agent for storage of coldness in insulation box; Main box 10 is made up of roof 11, diapire 12, antetheca 13, rear wall 14, left wall 15 and right wall 16, and described left wall 15 is can the structure of folding; Described antetheca 13 also offers front side door 17; Described agent for storage of coldness is liquid, and is stored in pressure steel cylinder, described insulation box is also provided with the pressure relief device for discharging the gas in described body of thermal insulating box.Also be provided with the refrigeration piping spiraled in described insulation box, described refrigeration pipe is provided with expansion valve; Liquid refrigerant carries out expansion vaporization heat absorption by described expansion valve, and then freezes to described insulation box.Passive car refrigerator of the present invention adopts agent for storage of coldness vaporization absorb heat and be diffused into the direct refrigeration modes in body of thermal insulating box, and without the need to adopting the electric power system of supply electric compressor mechanomotive force, thus greatly can improve the plot ratio of whole cold storage refrigerator, compared with prior art, not only invest low, and for the transport of a small amount of article or variety classes article, significantly cost of transportation can be reduced.
In insulation box of the present invention, each wall portion includes outer shell, vacuum heat-insulating plate and hypostracum, and is filled with the first hard polyurethane foam between described outer shell and described vacuum heat-insulating plate; The second hard polyurethane foam is filled with between described hypostracum and described vacuum heat-insulating plate.The first hard polyurethane foam is filled with between described outer shell and described vacuum heat-insulating plate; The second hard polyurethane foam is filled with between described hypostracum and described vacuum heat-insulating plate; Described outer shell and described outer shell are made by carbon steel, and described steel surface is formed with chemical conversion layer; The thickness of described vacuum insulation flaggy is 10 ~ 20mm, the thickness of described first hard polyurethane foam is 25 ~ 50mm, the thickness of described second hard polyurethane foam is 25 ~ 50mm, and the thickness of described first hard polyurethane foam and the thickness of the second hard polyurethane foam are more than 2 times of vacuum heat-insulating plate layer thickness; And the volume of described refrigerating box is more than 1000L.Described first hard polyurethane foam is by the Carbodiimide-Modified MDI of 20.5 ~ 25.0wt%, the PEA-1000 of 15.0 ~ 18.0wt%, the PEBA-1000 of 5.0 ~ 7.5wt%, the end hydroxy butadiene of 2.0 ~ 2.5wt%, the polyethylenimine resins of 2.5 ~ 3.5wt%, the dimethyl silicone polymer of 1.5 ~ 1.8wt%, the triethylenediamine of 0.20 ~ 0.25wt%, the pentamethylene of 12.0 ~ 15.0wt%, the composition of the water of 0.8 ~ 1.5wt% and the ethyl acetate of surplus mixes cast and obtains.Described second hard polyurethane foam is by the Carbodiimide-Modified MDI of 20.5 ~ 25.0wt%, the PEA-1000 of 15.0 ~ 18.0wt%, the PEBA-1000 of 5.0 ~ 7.5wt%, the end hydroxy butadiene of 2.0 ~ 2.5wt%, the polyethylenimine resins of 2.5 ~ 3.5wt%, the dimethyl silicone polymer of 1.5 ~ 1.8wt%, the triethylenediamine of 0.20 ~ 0.25wt%, the pentamethylene of 12.0 ~ 15.0wt%, the composition of the water of 0.8 ~ 1.5wt% and the ethyl acetate of surplus mixes cast and obtains.Heat radiation between box house and external environment, heat transfer and thermal convection current effectively can be prevented by the structure of above-mentioned body of thermal insulating box.
Embodiment 1
Outer shell and described outer shell are made by carbon steel in the present embodiment, and the thickness of described outer shell and outer shell is 2 ~ 20mm; The thickness of described vacuum insulation flaggy is 10mm, and the thickness of described first hard polyurethane foam is 25mm, and the thickness of described second hard polyurethane foam is 25mm.Further, described first hard polyurethane foam and the second hard polyurethane foam mix cast by the composition of the ethyl acetate of the triethylenediamine of the dimethyl silicone polymer of the polyethylenimine resins of the end hydroxy butadiene of PEBA-1000,2.5wt% of PEA-1000,7.5wt% of Carbodiimide-Modified MDI, 18.0wt% of 22.0wt%, 3.0wt% (molecular weight is 800), 1.6wt%, 0.20wt%, the pentamethylene of 12.0wt%, the water of 1.2wt% and surplus to obtain.
Embodiment 2
Outer shell and described outer shell are made by carbon steel in the present embodiment, and the thickness of described outer shell and outer shell is 2 ~ 20mm; The thickness of described vacuum insulation flaggy is 10mm, and the thickness of described first hard polyurethane foam is 25mm, and the thickness of described second hard polyurethane foam is 25mm.Further, described first hard polyurethane foam and the second hard polyurethane foam mix cast by the composition of the ethyl acetate of the triethylenediamine of the dimethyl silicone polymer of the polyethylenimine resins of the end hydroxy butadiene of PEBA-1000,2.0wt% of PEA-1000,7.5wt% of Carbodiimide-Modified MDI, 18.0wt% of 22.0wt%, 3.0wt%, 1.6wt%, 0.20wt%, the pentamethylene of 12.0wt%, the water of 1.2wt% and surplus to obtain.
Embodiment 3
Outer shell and described outer shell are made by carbon steel in the present embodiment, and the thickness of described outer shell and outer shell is 2 ~ 20mm; The thickness of described vacuum insulation flaggy is 10mm, and the thickness of described first hard polyurethane foam is 25mm, and the thickness of described second hard polyurethane foam is 25mm.Further, described first hard polyurethane foam and the second hard polyurethane foam mix cast by the composition of the ethyl acetate of the triethylenediamine of the dimethyl silicone polymer of the polyethylenimine resins of the end hydroxy butadiene of PEBA-1000,2.5wt% of PEA-1000,7.5wt% of Carbodiimide-Modified MDI, 18.0wt% of 22.0wt%, 3.0wt%, 1.6wt%, 0.20wt%, the pentamethylene of 12.0wt%, the water of 0.8wt% and surplus to obtain.
Embodiment 4
Outer shell and described outer shell are made by carbon steel in the present embodiment, and the thickness of described outer shell and outer shell is 2 ~ 20mm; The thickness of described vacuum insulation flaggy is 10mm, and the thickness of described first hard polyurethane foam is 25mm, and the thickness of described second hard polyurethane foam is 25mm.Further, described first hard polyurethane foam and the second hard polyurethane foam mix cast by the composition of the ethyl acetate of the triethylenediamine of the dimethyl silicone polymer of the polyethylenimine resins of the end hydroxy butadiene of PEBA-1000,2.5wt% of PEA-1000,7.5wt% of Carbodiimide-Modified MDI, 18.0wt% of 22.0wt%, 3.0wt%, 1.6wt%, 0.20wt%, the pentamethylene of 15.0wt%, the water of 1.5wt% and surplus to obtain.
Comparative example 1
Make by carbon steel at this comparative example China and foreign countries' shell and described outer shell, and the thickness of described outer shell and outer shell is 2 ~ 20mm; The thickness of described vacuum insulation flaggy is 10mm, and the thickness of described first hard polyurethane foam is 25mm, and the thickness of described second hard polyurethane foam is 25mm.Further, described first hard polyurethane foam and the second hard polyurethane foam mix cast by the composition of the ethyl acetate of the triethylenediamine of the dimethyl silicone polymer of the end hydroxy butadiene of PEBA-1000,2.5wt% of PEA-1000,7.5wt% of Carbodiimide-Modified MDI, 18.0wt% of 22.0wt%, 1.6wt%, 0.20wt%, the pentamethylene of 12.0wt%, the water of 1.2wt% and surplus to obtain.
Comparative example 2
Make by carbon steel at this comparative example China and foreign countries' shell and described outer shell, and the thickness of described outer shell and outer shell is 2 ~ 20mm; The thickness of described vacuum insulation flaggy is 10mm, and the thickness of described first hard polyurethane foam is 25mm, and the thickness of described second hard polyurethane foam is 25mm.Further, described first hard polyurethane foam and the second hard polyurethane foam mix cast by the composition of the ethyl acetate of the triethylenediamine of the dimethyl silicone polymer of the polyethylenimine resins of PEBA-1000,3.0wt% of PEA-1000,7.5wt% of Carbodiimide-Modified MDI, 18.0wt% of 22.0wt%, 1.6wt%, 0.20wt%, the pentamethylene of 12.0wt%, the water of 1.2wt% and surplus to obtain.
Comparative example 3
Make by carbon steel at this comparative example China and foreign countries' shell and described outer shell, and the thickness of described outer shell and outer shell is 2 ~ 20mm; The thickness of described vacuum insulation flaggy is 10mm, and the thickness of described first hard polyurethane foam is 25mm, and the thickness of described second hard polyurethane foam is 25mm.Further, described first hard polyurethane foam and the second hard polyurethane foam mix cast by the composition of the ethyl acetate of the triethylenediamine of the dimethyl silicone polymer of the polyethylenimine resins of the end hydroxy butadiene of PEA-1000,2.5wt% of Carbodiimide-Modified MDI, 25.0wt% of 22.0wt%, 3.0wt%, 1.6wt%, 0.20wt%, the pentamethylene of 12.0wt%, the water of 1.2wt% and surplus to obtain.
Comparative example 4
Make by carbon steel at this comparative example China and foreign countries' shell and described outer shell, and the thickness of described outer shell and outer shell is 2 ~ 20mm; The thickness of described vacuum insulation flaggy is 10mm, and the thickness of described first hard polyurethane foam is 25mm, and the thickness of described second hard polyurethane foam is 25mm.Further, described first hard polyurethane foam and the second hard polyurethane foam mix cast by the composition of the ethyl acetate of the triethylenediamine of the dimethyl silicone polymer of the polyethylenimine resins of the end hydroxy butadiene of PEBA-1000,2.5wt% of Carbodiimide-Modified MDI, 25.0wt% of 22.0wt%, 3.0wt%, 1.6wt%, 0.20wt%, the pentamethylene of 12.0wt%, the water of 1.2wt% and surplus to obtain.
Hard polyurethane foam performance test
From central part sampling, volume of sample is hard polyurethane fat vacuole foam its global density of bulk measurement and the thermal conductivity factor (adopt heat-flow meter method, mean temperature is 10 DEG C) of the band epidermal area of 100mm × 100mm × 25mm; With transfer rate 4mm/min for load, the value of load when removing distortion 10% using compression area is as compressive strength; Low-Temperature Size rate of change: place 24 little gauge rates of change constantly at-20 DEG C; 24 little gauge rates of change are constantly placed at 70 DEG C.The performance test results is as shown in table 1.
Table 1
For the ordinary skill in the art; specific embodiment is just by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (9)
1. a passive car refrigerator, comprises body of thermal insulating box and is arranged on the agent for storage of coldness in body of thermal insulating box, it is characterized in that: the main body of described body of thermal insulating box is made up of top wall portion, bottom wall part, front wall portion, rear wall parts, left wall and right wall portion, described left wall is can the structure of folding, and described antetheca also offers front side door, and each described wall portion includes outer shell, vacuum heat-insulating plate and hypostracum, and is filled with the first hard polyurethane foam between described outer shell and described vacuum heat-insulating plate, the second hard polyurethane foam is filled with between described hypostracum and described vacuum heat-insulating plate, described first hard polyurethane foam and the second hard polyurethane foam are by the vulcabond of 20.5 ~ 25.0wt%, the PEA-1000 of 15.0 ~ 18.0wt%, the PEBA-1000 of 5.0 ~ 7.5wt%, the end hydroxy butadiene of 2.0 ~ 2.5wt%, the polyethylenimine resins of 2.5 ~ 3.5wt%, the dimethyl silicone polymer of 1.5 ~ 1.8wt%, the triethylenediamine of 0.20 ~ 0.25wt%, the pentamethylene of 12.0 ~ 15.0wt%, the composition of the water of 0.8 ~ 1.5wt% and the ethyl acetate of surplus mixes cast and obtains.
2. passive car refrigerator according to claim 1, is characterized in that: described agent for storage of coldness for liquid, and is stored in pressure steel cylinder.
3. passive car refrigerator according to claim 1, is characterized in that: described body of thermal insulating box is also provided with the pressure relief device for discharging the gas in described body of thermal insulating box.
4. passive car refrigerator according to claim 3, is characterized in that: be also provided with the refrigeration piping spiraled in described body of thermal insulating box, described refrigeration piping is provided with expansion valve.
5. passive car refrigerator according to claim 1, is characterized in that: described vulcabond is liquefied mdi.
6. passive car refrigerator according to claim 1, is characterized in that: described vulcabond is Carbodiimide-Modified MDI.
7. passive car refrigerator according to claim 1, is characterized in that: described agent for storage of coldness is dry ice, liquid carbon dioxide or liquid nitrogen.
8. passive car refrigerator according to claim 1, is characterized in that: described hypostracum and described outer shell are made by metal or alloy material.
9. passive car refrigerator according to claim 1, it is characterized in that: the thickness of described vacuum heat-insulating plate is 10 ~ 20mm, the thickness of described first hard polyurethane foam is 25 ~ 50mm, the thickness of described second hard polyurethane foam is 25 ~ 50mm, and the thickness of described first hard polyurethane foam and the thickness of the second hard polyurethane foam are more than 2 times of vacuum insulation plate thickness.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410209450.1A CN103983064B (en) | 2014-05-16 | 2014-05-16 | Passive car refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410209450.1A CN103983064B (en) | 2014-05-16 | 2014-05-16 | Passive car refrigerator |
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| CN103983064A CN103983064A (en) | 2014-08-13 |
| CN103983064B true CN103983064B (en) | 2016-04-13 |
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| CN201410209450.1A Expired - Fee Related CN103983064B (en) | 2014-05-16 | 2014-05-16 | Passive car refrigerator |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104132494A (en) * | 2014-08-18 | 2014-11-05 | 太仓派欧技术咨询服务有限公司 | Multi-inner-container separable long-acting refrigerating cabinet |
| CN107804205A (en) * | 2017-11-02 | 2018-03-16 | 广东英得尔实业发展有限公司 | A passive car refrigerator |
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| CN103723379A (en) * | 2014-01-11 | 2014-04-16 | 苏州安特实业有限公司 | Heat insulation cold closet for medical supplies |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2347157C2 (en) * | 2003-07-07 | 2009-02-20 | Родни М. ДЭРИФИЛД | Insulated transportation containers |
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2014
- 2014-05-16 CN CN201410209450.1A patent/CN103983064B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005073648A1 (en) * | 2004-01-30 | 2005-08-11 | Matsushita Electric Industrial Co., Ltd. | Foldable heat insulating container and distribution method |
| JP2007285672A (en) * | 2006-04-20 | 2007-11-01 | Hitachi Appliances Inc | Insulated box and method for manufacturing the same |
| CN201184717Y (en) * | 2008-04-08 | 2009-01-21 | 刘增旺 | Cold-storage type mobile thermal-insulating box |
| CN201506542U (en) * | 2009-06-05 | 2010-06-16 | 张春生 | Power supply free cold-storage type logistics storage cabinet |
| CN203294542U (en) * | 2013-05-14 | 2013-11-20 | 北京市农林科学院 | Movable wireless digital display liquid nitrogen spraying refrigerating low-temperature logistic refrigerator |
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