CN201983560U

CN201983560U - Portable refrigerator

Info

Publication number: CN201983560U
Application number: CN2010206531463U
Authority: CN
Inventors: 孙慧兰; 辛明静
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-12-10
Filing date: 2010-12-10
Publication date: 2011-09-21
Anticipated expiration: 2020-12-10

Abstract

The utility model relates to a portable refrigerator, which comprises a heat preservation refrigerator body, a heat preservation cover, a heat preservation layer, a freezing layer and a freezing chamber. A circle of closing ring is arranged at the opening of the refrigerator body at the upper part of the freezing layer, and is tightly clung to the freezing chamber and the heat preservation layer, so as to seal a freezing agent in the freezing layer. The product has the characteristics of no need of electricity energy, small volume, light weight, low cost, high portability and the like; common ice and salt, which are granules, are mixed to serve as the freezing agent; an annular movable separation plate is arranged in the freezing layer and used for separate ice and slat into an outer layer and an inner layer, the ice layer is arranged outside, and the salt layer is arranged inside; and during the use, the separation plate is taken out to enable the ice layer and the slat layer to be mixed mutually, low temperature is generated rapidly after the mixing, and the freezing effect of the freezing chamber is achieved. The temperature in the freezing chamber can be lowered to subzero 10 DEG C, the temperature reduction lasting time depends on the proportion of added ice and salt, and the portable refrigerator is suitable for outdoor exercises, long-distance fresh preservation transportation, medical drug storage, and emergency treatment use.

Description

Portable refrigerator

Technical field

The utility model belongs to civilian refrigerating field, especially relates to a kind of portable household freezer, and the situations such as outdoor exercises, long-distance fresh-keeping transportation, medical drugs preservation, first aid that are fit to are used.

Background technology

At present, transportation or when preserving article such as food, pharmaceutical drugs, prior art has only semiconductor, refrigerator to solve, but semiconductor, refrigerator environment for use limitation are big, can't use under powering-off state.As refrigerator is the refrigeration product of using always, but the volume of refrigerator is general bigger, and inconvenience is carried, and power consumption height, volume is big, Heavy Weight, can't carry maintenance difficult, cost is higher, and refrigerator is by compressor cooling and uses freon to make cold-producing medium that freon can destroy atmospheric ozone layer, has occurred a lot of ozone layer leaks on the earth at present, some leak has surpassed African area, and wherein very big reason is because the chemical substance of freon.Even car refrigerator also only can use onboard, do not satisfy public demand.And concerning the people of many outdoor long-term activities in hot weather, the portable refrigeration product is necessary, except some special articles (as medicine) need be stored under low temperature environment), and carry some cold drinks.

The utility model content

Problem to be solved in the utility model is: a kind of portable refrigerator is provided, need not electric energy, volume little, pollution-free, be convenient for carrying, the current refrigerator volume is big, power consumption is high to solve, problem is carried in, inconvenience serious to atmosphere pollution; Overcome the difficult problem that the incubator of prior art can not continue to be incubated, this portable refrigerator reaches the effect of cryogenic refrigeration for a long time.

The technical solution of the utility model is: a kind of portable refrigerator, comprise casing, insulation cover and a heat-insulation layer, heat-insulation layer also has a frozen coating, is filled with cold-producing medium in the frozen coating, cold-producing medium by ice and salt be mixed into by certain thickness proportion and.Frozen coating inside is refrigerating chamber.Refrigerating chamber is a Demountable metallic box, and being put into the gap that forms between the outer wall of this can after the casing central authorities and the heat-insulation layer inwall is frozen coating.The box opening on frozen coating top has an airtight circle, and airtight circle is close to refrigerating chamber and heat-insulation layer, and frozen coating is sealed.Ice and salt are graininess in the frozen coating, one annular movable demarcation strip is arranged in the frozen coating, movable demarcation strip will be iced with salinity inside and outside two-layer spaced-apart, ice sheet outside, salt deposit is taken out demarcation strip interior during use, ice sheet is mixed mutually with salt deposit, after the mixing, produce low temperature fast, reach the refrigerating chamber refrigeration.The outer wall on casing top has one to carry handle, carries when being convenient to go out.

The effect of the refrigeration of household freezer and refrigeration duration are depended on the mixed proportion of ice and salt thickness, and the effect that size reached of ratio is as shown in the table:

The cryosel thickness proportion	Reach minimum temperature	Best refrigeration duration
			0.8~2.5 ：1	-9°C	8.0h~9.0h
1.0~2.0:1	-9.5°C	8.8h~9.7h
			1.6:1	-9.7°C	9h~10.5h
1.65:1	-10°C	10h~11h

When the demarcation strip of described ice and salt is a friable material, after being shaken, the demarcation strip fragmentation fully mixes cryosel.When the thickness proportion of ice that adds and salt deposit is 1.65:1, will reach the best refrigeration-11 of this product ^oC.

In order further to improve this product refrigeration heat insulation effect, heat-insulation layer is done packing material with polystyrene foam, heat-insulation layer inwall, refrigerating chamber aluminum metal material, and airtight circle all has erosion shield, and on the outer wall of casing and insulation cover reflecting coating is arranged.Bottom half has a tap, and the tap water inlet end links to each other with frozen coating, by this tap, former cold-producing medium can be released.

The beneficial effects of the utility model are: adopt ice and salt commonly used to make cold-producing medium, need not electricity consumption, and non-environmental-pollution, with low cost, and also the salt ice after using can recycling.This product adopts the technology that installs refrigerating layer in the heat-preserving container additional to realize, refrigeration is rapid and can keep the consecutive low temperature state, and manufacturing cost is low, and product weight is light, is convenient for carrying, and does not have any pollution.

Description of drawings

Fig. 1 is a portable freezing box schematic diagram of the present utility model.

Mark among the figure: the 1-casing; The 2-insulation cover; The airtight circle of 3-; 4-carries handle; The 5-heat-insulation layer; The 6-frozen coating; The 7-refrigerating chamber; The 8-tap; The 9-demarcation strip.

The specific embodiment

Understand and enforcement the utility model for the ease of those of ordinary skills, the utility model is described in further detail below in conjunction with the drawings and the specific embodiments.

Specific embodiment 1 is seen Fig. 1, the portable refrigerator of this nonelectrical energy be cylinder type, above insulation cover 2 is arranged, there is heat-insulation layer 5 casing 1 inside, also have frozen coatings 6 in the heat-insulation layer 5, be filled with cold-producing medium in the frozen coating 6, cold-producing medium be mixed in 3 to 1 ratios by ice and salt and.Frozen coating 6 inside are refrigerating chambers 7.Refrigerating chamber 7 is a dismountable aluminum can, and being put into the gap that forms between the outer wall of this can after casing 1 central authorities and heat-insulation layer 5 inwalls is frozen coating 6.Casing 1 opening part on frozen coating 6 tops has an airtight circle 3, and airtight circle 3 is close to refrigerating chamber 7 and heat-insulation layer 5, and frozen coating 6 is sealed.The outer wall on casing 1 top has one to carry handle 4, carries when being convenient to go out.

Specific embodiment 2, different with specific embodiment 1 is, refrigerating chamber 7 outer walls, heat-insulation layer 5 inwalls, airtight circle 3 all have erosion shield, and on the outer wall of casing 1 and insulation cover 2 reflecting coating is arranged, filling is all done with the polystyrene foam of heat-holding dampproof in cabinet insulation layer 5 and insulation cover inside, even there are sunlight or other thermal source in the outside, reflecting coating and heat-insulation layer also can reflect light and heat, to play heat insulation effect preferably.

This refrigeration case has refrigeration and heat insulation effect preferably, when inside and outside ice and the salinity two-layer join frozen coating 6 after, the interior temperature of refrigerating chamber 7 will reduce rapidly, the minimum temperature that can reach is relevant with the mixed proportion of ice and salt, after ice and salt 3 to 1 mixing, minimum temperature can reach-10 ° of C.The speed of cooling is relevant rapidly with the mixing of ice and salt, pulverize the more little salt of back adding particle if in other words will ice, and stirring is fast more rapidly, even more, and it is just fast more that temperature reduces; Long-time if desired lasting slowly cooling can add frozen coating 6 with the ice and the salt of bulk, make its slow mixing, so just can produce lasting cryogenic effect.

In process of refrigerastion, ice and salt melt gradually, form salting liquid at last, temperature also can slowly raise, and continues refrigeration as need, will change salting liquid, a tap 8 is arranged at casing 1 bottom for this reason, tap 8 water inlet ends link to each other with frozen coating 6, by this tap 8, former cold-producing medium can be released.Open airtight circle 3 again and add new ice and salt.Salting liquid originally can recycling, as dries the back water evaporates, and salt wherein can crystallize out, and can utilize again again.Thereby environment is not produced any pollution, and cheap, easily popularize.

The specific embodiment of the above is a better embodiment of the present utility model; be not to limit concrete practical range of the present utility model with this; for the utility model person of an ordinary skill in the technical field; under the prerequisite that does not break away from the utility model design; can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.

Claims

1. portable refrigerator, comprise a casing (1), insulation cover (2) and heat-insulation layer (5), airtight circle (3), carry handle (4), frozen coating (6), refrigerating chamber (7), tap (8), also has a frozen coating (6) in the heat-insulation layer (5), frozen coating is filled with cold-producing medium in (6), frozen coating (6) inside is refrigerating chamber (7), cold-producing medium is mixed by ice and salt, it is characterized in that: an annular movable demarcation strip is arranged in the frozen coating, movable demarcation strip will be iced with salinity inside and outside two-layer spaced-apart, ice sheet outside, salt deposit is interior, demarcation strip (9) is a friable material, vibrations demarcation strips (9) make its fragmentation during use, the broken back of demarcation strip (9) ice sheet mixes mutually with salt deposit, a tap (8) is arranged at casing (1) bottom, tap (8) is connected with frozen coating (6), by this tap (8), former cold-producing medium can be discharged.