CN201983559U

CN201983559U - Portable refrigerator

Info

Publication number: CN201983559U
Application number: CN2010206504413U
Authority: CN
Inventors: 赵忠华; 王伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-12-09
Filing date: 2010-12-09
Publication date: 2011-09-21
Anticipated expiration: 2020-12-09

Abstract

The utility model discloses a portable refrigerator which comprises the following components: a box body, a heat insulation cover, a heat insulation layer, a refrigerating layer and a refrigerating chamber. The heat insulation cover is provided on the box body which is internally provided with the heat insulation layer. The heat insulation layer is internally provided with the refrigerating layer. The refrigerating chamber is provided in the refrigerating layer. Refrigerant is filled in the refrigerating chamber. The portable refrigerator is characterized in that: the refrigerant of the box body is composed of ice and particle salt with a proportion of 6:1; the particle salt is filled in capsules; five kinds of capsules are provided; the melting rupture time of the walls of the five kinds of capsules in water is respectively 1 minute, 5 minutes, 10 minutes and 60 minutes; the capsules are mixed in the ice cubes and are mixed to uniform. The portable refrigerator has the following advantages: prolonging melting time of the coolant, quick refrigeration effect, capability for maintaining the low-temperature environment for a long time, and prolonged refrigerating time.

Description

Portable freezing box

Technical field

The utility model relates to civilian refrigerating field, especially relates to a kind of portable freezing box.

Background technology

In daily life, all kinds of refrigeration products are used widely, refrigerator is as the family expenses refrigeration product,, good refrigeration effect big owing to capacity, cooling time is long is used widely, but refrigerator is by compressor cooling, and compressor itself can occupy very big space, cause the refrigerator volume general bigger, enough scopes that its volume and weight can't be reduced can't be carried, and the power consumption height.Have a spot of household freezer to occur at present, this household freezer is by casing, and heat-insulation layer, frozen coating and insulation cover are formed, and volume is less, and is easy to carry, but the cold-producing medium that this household freezer uses, and cooling time is shorter, can't satisfy long-time freezing demand.

The utility model content

The purpose of this utility model provides a kind of portable freezing box, satisfies the demand of the long-time frozen goods of people.

In order to solve the problems of the technologies described above, the technical solution of the utility model is: this portable freezing box, comprise casing, insulation cover, heat-insulation layer, frozen coating, refrigerating chamber, insulation cover covers on casing, it in the casing heat-insulation layer, be frozen coating in the heat-insulation layer, frozen coating is a refrigerating chamber, is filled with cold-producing medium in the refrigerating chamber.Heat-insulation layer is fixed on the casing and casing fuses, and frozen coating and refrigerating chamber link together as inner bag, and described inner bag can take out from incubator.The cold-producing medium of described casing is mixed in the 6:1 ratio by ice and granulated salt, granulated salt is contained in the capsule, has 5 kinds of capsules, its wall is met water thawing rupture time and is 1 minute, 5 minutes, 10 minutes, 30 minutes and 60 minutes respectively, capsule is blended in the ice cube, and stirs.

The inside and outside heat transmission of the isolated casing of described heat-insulation layer, guarantee that the interior temperature of casing is not subjected to the influence of ambient temperature, fill cold-producing medium in the frozen coating, cold-producing medium is the mixture of ice and granulated salt, when ice contacted with granulated salt, ice and salt were melted into water, absorbed heat in ice and the salt particle melting process, reduce the temperature of refrigerating chamber, and then reach the purpose of frozen goods.After this portable freezing box is finished using, open insulation cover, take out inner bag, outwell the water that ice residual refrigerant and cold-producing medium melt.

Described capsule successively broke according to the default time interval, can prolong the time of contact of granulated salt and ice, the thawing speed of control ice, thus prolong cooling time.

Further modification of the present utility model is: described chance water melts rupture time and is 5 kinds of capsules of 1 minute, 5 minutes, 10 minutes, 30 minutes and 60 minutes respectively, is 5 ︰, 4 ︰, 3 ︰, 2 ︰ 1 by quality size mixed proportion.Granulated salt is inserted in the capsule that rupture time is described ratio in the quality of described ratio, the capsule that the granulated salt quality is big melts earlier, and fast-refrigerating is along with the lengthening in the time interval, the granulated salt quality of melting diminishes gradually, can reach long refrigerating effect like this.

Further modification of the present utility model is: described chance water melts rupture time and is 5 kinds of capsules of 1 minute, 5 minutes, 10 minutes, 30 minutes and 60 minutes respectively, and size is 1 ︰, 2 ︰, 3 ︰, 4 ︰ 5 by measure.Capsule amount of capacity difference, the capsule capacity minimum that begins to melt, the capsule capacity maximum of Rong Huaing at last, the capsule capacious little capsule of capacity of packing into can further prolong the time of contact of granulated salt and ice, thereby prolong cooling time.

Further modification of the present utility model is: described chance water melts rupture time and is 5 kinds of capsules of 1 minute, 5 minutes, 10 minutes, 30 minutes and 60 minutes respectively, 2 layers of capsules or 3 layers are nested, can further prolong the time of contact of ice and granulated salt, thereby prolong cooling time.

Further modification of the present utility model is: be inserted in the other capsule of 30 minutes or 10 minutes in described 60 minutes in the capsule, make the rupture time of part capsule extend to 90 minutes or 70 minutes.

Further modification of the present utility model is: be inserted in 10 minutes capsule in the described 30 minutes capsules, and this complex capsule is nested in another 60 minutes capsules again, make the rupture time of part capsule extend to 100 minutes.

The beneficial effects of the utility model are: adopted ice and salt commonly used to make cold-producing medium, because when described capsule contacts with ice cube, successively break, the quality of granulated salt is for proportionally differing in size in each capsule, the capacity of capsule proportionally varies in size, and capsule melts to be had successively, has prolonged the thawing time of refrigerant, refrigeration is rapid and can keep permanent low temperature environment, prolongs cooling time.

Description of drawings

Fig. 1 is this portable freezing box schematic diagram.

Reference numeral: 1-casing; 2-insulation cover; 3-heat-insulation layer; 4-frozen coating; 5-refrigerating chamber.

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.

See Fig. 1, this portable freezing box comprises casing 1, insulation cover 2, heat-insulation layer 3, frozen coating 4, refrigerating chamber 5, insulation cover 2 cover on casing 1, are heat-insulation layer 3 in the casing 1, being frozen coating 4 in the heat-insulation layer 3, is refrigerating chamber 5 in the frozen coating 4, is filled with cold-producing medium in the refrigerating chamber 5.Heat-insulation layer 3 be fixed on the casing 1 and casing 1 fuse, frozen coating 4 and refrigerating chamber 5 link together as inner bag, described inner bag can take out from incubator 1.Casing 1, insulation cover 2, heat-insulation layer 3, frozen coating 4, refrigerating chamber 5 all are cylindrical, and casing 1 overall diameter is 16cm, casing 1 high 20cm, thick 0.5cm, insulation cover 2 overall diameter 16cm, thick 2cm, heat-insulation layer 3 overall diameter 15cm, thickness is 0.5cm, high 19.5cm, the thick 3cm of frozen coating 4 overall diameter 14cm, high 19cm, refrigerating chamber 5 overall diameter 8cm, thick 0.5cm, high 19cm.The cold-producing medium of described casing 1 is mixed in the 6:1 ratio by ice and granulated salt, granulated salt is contained in the capsule, have 5 kinds of capsules, its wall is met water and is melted rupture time and be 1 minute, 5 minutes, 10 minutes, 30 minutes and 60 minutes respectively, 10 of every kind of capsules, be blended in the ice cube, and stir, be put in the frozen coating 4, article are put into refrigerating chamber 5, cover insulation cover 2, the portable freezing box in the duty has just been carried out.

Fill cold-producing medium in the frozen coating 4, cold-producing medium is the mixture of ice and granulated salt, and when ice contacted with granulated salt, ice and salt were melted into water, absorbed heat in ice and the salt particle melting process, reduced the temperature of refrigerating chamber 5.

Described capsule successively breaks according to the difference according to capsule wall thickness, can prolong the time of contact of granulated salt and ice, the thawing speed of control ice, and cooling rapidly prolongs cooling time.

Specific embodiment one, selected that the capsules break time is 1 minute under these conditions, quality is 5 grams, and capacity is 10 milliliters, and the temperature in the refrigerating chamber is-10 ℃, cooling time 200 minutes.

Specific embodiment two, different with specific embodiment one is: selected that the capsules break time be 10 minutes under these conditions, quality is 3 grams, and capacity is 3 milliliters, and the temperature in the refrigerating chamber is-6 ℃, cooling time 160 minutes.

Specific embodiment three, different with specific embodiment one, two is: selected that the capsules break time be 60 minutes under these conditions, quality is 1 gram, and capacity is 5 milliliters, and the temperature in the refrigerating chamber is-1 ℃, cooling time 120 minutes.

This refrigeration case has refrigeration and heat insulation effect preferably, when ice with after salt joins frozen coating 4, temperature reduces rapidly in the refrigerating chamber 5, the minimum temperature that can reach is relevant with the mixed proportion of ice and salt, the speed of cooling is relevant with the mixing velocity of ice and salt, for fear of continuous interpolation salt operation, the utility model is contained in granulated salt in the capsule of different-thickness, have 5 kinds of capsules, its wall is met water thawing rupture time and is 1 minute respectively, 5 minutes, 10 minutes, 30 minutes and 60 minutes, thereby the difference that enters the salt particle of salt ice according to different time reaches the effect that continues to add salt particle, so just can produce lasting cryogenic effect.

In process of refrigerastion, ice and salt melt gradually, form salting liquid at last, after this portable freezing box is finished using, open insulation cover 3, take out inner bag, outwell the salting liquid that residual refrigerant is melted, in the time of need reusing, in frozen coating 4, add cold-producing medium, just can use.This household freezer is easy to use, and is free from environmental pollution.

The specific embodiment of the above is a better embodiment of the present utility model, is not to limit concrete practical range of the present utility model with this.

Claims

1. portable freezing box, comprise casing, insulation cover, heat-insulation layer, frozen coating, refrigerating chamber, insulation cover covers on casing, it in the casing heat-insulation layer, it in the heat-insulation layer frozen coating, frozen coating is a refrigerating chamber, be filled with cold-producing medium in the refrigerating chamber, it is characterized in that: the cold-producing medium of described casing comprises ice and granulated salt, granulated salt is contained in the capsule, has 5 kinds of capsules, its wall is met water thawing rupture time and is 1 minute, 5 minutes, 10 minutes, 30 minutes and 60 minutes respectively, capsule is blended in the ice cube, and stirs.

2. portable freezing box according to claim 1 is characterized in that: described capsule size by measure is 1 ︰, 2 ︰, 3 ︰, 4 ︰ 5.

3. portable freezing box according to claim 2 is characterized in that: 2 layers of the capsules of described 5 kinds of different order rupture times or 3 layers are nested.

4. portable freezing box according to claim 3 is characterized in that: be inserted in the other capsule of 30 minutes or 10 minutes in described 60 minutes in the capsule, make the rupture time of part capsule extend to 90 minutes or 70 minutes.

5. portable freezing box according to claim 3 is characterized in that: be inserted in 10 minutes capsule in the described 30 minutes capsules, and this complex capsule is nested in another 60 minutes capsules again, make the rupture time of part capsule extend to 100 minutes.