A kind of portable heat-insulation box that has detachable cold-storage container
Technical field
The utility model relates to a kind of insulation can, especially relates to a kind of portable heat-insulation box that has detachable cold-storage container.
Background technology
A lot of article need to keep low temperature in the transportation intermediate links, for example medicine, food etc., otherwise can go bad.Currently used low-temperature preservation means mainly contain two kinds, first kind is to adopt mechanical refrigeration that low-temperature receiver is provided, and for example a kind of portable semiconductor electrical cold storage system bag is an one with small refrigerator and traditional insulation can collection, continue to provide energy by extraneous power supply, reach the effect that keeps low temperature; Second kind is to rely on circulation to fill cold phase change cold accumulating agent as low-temperature receiver, and releasing energy by agent for storage of coldness reaches the effect of keeping low temperature.The casing volume of first kind of low-temperature preservation technology of employing is big, weight is big, and the main lasting energy in the external world that relies on is incubated cost height, processed complex, the large numbers of items that suits, long distance transportation.Adopt the casing volume of second kind of low-temperature preservation technology little, in light weight, cheap, make simply, do not need to rely on outside resources at short notice and be incubated, therefore suitable a small amount of article, short-range transportation.At present, adopt agent for storage of coldness mainly to constitute by casing, case lid and agent for storage of coldness as the insulation can of low-temperature receiver, the more emphasis of contriver improve the cold-storage effect by the prescription that improves agent for storage of coldness, but ignored agent for storage of coldness and in casing the influence of position to heat insulation effect be set.Agent for storage of coldness only is arranged on bottom half or all around, agent for storage of coldness perhaps only is set on case lid, these all can cause the interior temperature field of casing inhomogeneous, heat insulation effect reduces, article temperature height away from the agent for storage of coldness position, occur going bad, not only caused economic loss, medicine is rotten also can to bring life danger to patient.In addition, along with the prolongation of time, the refrigeration of agent for storage of coldness decline gradually can make the temperature in the insulation can raise gradually, if the user does not in time change agent for storage of coldness, the critical value that the temperature in the casing will finally surpass the article preservation causes article rotten.
Summary of the invention
At the deficiencies in the prior art and defective, the purpose of this utility model provides and a kind ofly prevents non-uniform temperature in the casing, and can indicate article temperature in the casing, in time grasps the insulation can of article temperature variations in the casing.
The technical solution of the utility model thes contents are as follows: a kind of insulation can mainly comprises casing, case lid, temperature indicator and is arranged on the interior cold-storage container of casing, the cold-storage container is arranged on box house, be that a cross-sectional plane is the inside and outside double-deck hollow housing structure that " returning " font, three-dimensional section are " recessed " font, inside and outside housing spacing 2~3cm, container top board shape is " returning " font, be provided with aperture with cover and be provided with handle symmetrically, described aperture is used for injecting or discharging agent for storage of coldness, and described handle is used for the cold-storage container is put into or taken out.
Be provided with one or more plate in the casing of insulation medicine-chest, insulation can inside is divided into plural space, have a plurality of through holes on the plate, be convenient to the cold air circulation, make the temperature field in the casing even.
On the case face of insulation casing one side a temperature indicator is housed, the temperature-measuring thermistor of temperature indicator is placed on the cavity bottom of insulation can cold-storage container.
Insulation can provided by the utility model is simple in structure, cost of manufacture is low, the cold-storage container of this insulation can take out from insulation can neatly, and by reasonably be provided with in the casing in insulation agent for storage of coldness make article from around and the bottom can obtain cold, the variation of temperature situation of the article of casing evenly also can be grasped in the box house temperature field, and it is rotten to prevent that article from taking place in transportation.
Description of drawings
Fig. 1 is the front elevation of insulation can.
Fig. 2 is the cross sectional representation of insulation can.
Fig. 3 is the elevation profile scheme drawing of insulation can.
Fig. 4 is the dividing plate scheme drawing.
Fig. 5 is the scheme drawing of insulation can case lid and casing interface hermetically-sealed construction.
The 1-case lid, 2-casing, 21-skin, 22-heat-insulation layer, 23-internal layer, 3-handle, the 4-temperature indicator, 5-cardan wheel, 6-snap close, 7-cold-storage container, 71-aperture, 72-handle, the 8-hermetically-sealed construction, 81-groove, 82-seal ring, 83-convex tendon, 9-thermally dependent resistor, 10-dividing plate.
The specific embodiment
Below in conjunction with accompanying drawing, further specify the specific embodiment of the present utility model:
Fig. 1~3 have provided the integral structure of insulation casing.Box shape is cuboid or square, and case lid 1 and casing 2 are provided with 3 layers from inside to outside altogether, is respectively internal layer 23, heat-insulation layer 22 and outer 21.Internal layer 23 adopts the elastomeric material with damping, bradyseism function of rubber and so on, is used for reducing extraneous vibration or impact to the influence of article in the casing, prevents that article are damaged; Heat-insulation layer 22 adopts warm material such as nontoxic foamed plastic to make, and isocyanurate foam for example is used for the thermal exchange of isolated casing between inside and outside, prevents that extraneous heat from entering in the casing, causes article to heat up, and keeps the temperature in the casing; Outer 21 materials that adopt plastics or metal etc. to have certain degree of hardness constitute, and to resist extraneous impact or collision, prevent that casing from breaking or damage.Case lid 1 and casing 2 outside faces are provided with locking member and the transom that cooperatively interacts.Locking member and transom are for being arranged at the locking hasp 6 on casing and the case lid respectively and supporting hinge.Casing and case lid interface position be provided with hermetically-sealed construction 8, bottom half is provided with cardan wheel 5, and handle 3 is set on the insulation can exterior surface, is convenient to moving and steadily placing of casing, makes things convenient for casing to move, and reduces labor content, increases work efficiency.
Cold-storage container 7 is used for holding agent for storage of coldness, is arranged on box house, is that a cross-sectional plane is the inside and outside double-deck hollow housing structure that " returning " font, elevation profile are " recessed " font.This cold-storage container comprises four inwalls, four outer walls, bottom and tops, adopts polythene material to make, and makes inwall can transmit cold well in casing.Inwall is apart from outer wall 2~3cm.Container outer wall shape, size and thermal insulation box body inwall adapt, and when container is put into casing, the outer wall of container just in time is close to cabinet wall, to hold the cold-storage container.The inside and outside wall of container top is sealed by top board, and the top board shape is " returning " font.On top board, be provided with aperture with cover 71, can open or close easily, be used for injecting or the release agent for storage of coldness.Agent for storage of coldness can adopt inorganic salts agent for storage of coldness commonly used, for example ice and the compound or the macromolecule cold accumulation agent of sodium chloride, for example as a form of gel, the easy mobile agent for storage of coldness that mix of polyvinyl alcohol and borax.The container cover top surface is provided with handle 72 symmetrically, is assemblied in the groove that cover top surface has, and is convenient to casing is put into or taken out to the cold-storage container.Plate 10 is arranged in the space that the cold-storage container surrounded, and insulation can inside is divided into plural space.Because around the article and bottom all is provided with agent for storage of coldness, so the temperature field is even in the casing, article are caught a cold evenly, the phenomenon of part objects temperature superelevation can not occur, reduce the article loss.
Along with the outdoor activity time expand, temperature in the insulation can will raise gradually, for in time grasping the variation of temperature situation of the article of casing, a temperature indicator 4 is housed on the case face of casing one side, and the temperature-measuring thermistor 9 of temperature indicator is installed in the bottom of the inner housing of insulation can cold-storage container.Temperature indicator adopts digital display type or other known modes.
Fig. 4 has provided the structure of plate.Casing holds in the space of article can be provided with one or more plate 10, insulation can inside is divided into plural space, have a plurality of through holes on the plate, help the airiness in the space, plate both sides, make the temperature field in the casing more even, effectively improve the quality of insulation article, reduce loss.Other material that plate adopts metallic material or has certain intensity is made.According to the needs of placing article, can freely select to place or do not place plate.
Fig. 5 has provided the sealed structure chart at the interface position of insulation can case lid 1 and casing 2.Sealing structure 8 is the concavo-convex fit structure of mutual cooresponding oblong, be provided with the case lid seal ring 82 that rubber or magnetic rubber constitute in the rectangular recess 81 at case lid interface position, help guaranteeing case lid and casing closed contact, prevent that the outer hot air of case from infiltrating in the casing.Casing is provided with the convex tendon 83 that matches with rectangular recess 81 on the case lid, and when closing case lid, convex tendon 83 just in time falls in the rectangular recess 81, makes its distortion reach the leak free effect by crush seal circle 82.