CN201801065U

CN201801065U - Air-adjusting cooling dark fresh box for distribution and delivery or short-term storage of vegetables

Info

Publication number: CN201801065U
Application number: CN2010201857137U
Authority: CN
Inventors: 王文生; 陈存坤; 贾凝; 董成虎
Original assignee: National Engineering Technology Research Centre for Preservation of Agricultural Products Tianjin
Current assignee: National Engineering Technology Research Centre for Preservation of Agricultural Products Tianjin
Priority date: 2010-05-11
Filing date: 2010-05-11
Publication date: 2011-04-20
Anticipated expiration: 2020-05-11

Abstract

The utility model discloses an air-adjusting cooling dark fresh box for distribution and delivery or short-term storage of vegetables, which comprises a box body, a box cover hermetically covered at an upper opening of the box body, and insulating layers coated on the inner side walls of the box body, wherein a partition shelf is arranged at the internal bottom of the box body, and communicating pores are formed on the partition shelf; a fluid refrigerant bag is arranged at the lower part of the partition shelf, namely, at the internal bottom of the box body; a plurality of ventilating holes are formed on the two symmetrical side surfaces of the box body; selective ventilating films are covered on the plurality of ventilating holes formed on the inner side of the box body; and light-reflecting coatings are coated on the external surfaces of the box body. The dark fresh box provided by the utility model can better protect the vegetables, can be repeatedly used, is extrusion resistant and facilitates loading and unloading; due to the tightness of the box body and the selective ventilating films adhered on the opening holes on the two side surfaces of the box body, favorable air adjustment is achieved, and the ventilating area of the selective ventilating films can be adjusted through adjusting the number of the opening holes, thereby realizing the change to the constituents of air inside the fresh box; the vegetables are retained to be fresh; and the cooling down is realized due to the repeatedly used ice bag (the refrigerant bag).

Description

A kind of dispensing or short-term are deposited the air-conditioning temperature-reducing and light-tight preservation box of vegetables

Technical field

The utility model relates to a kind of vegetables fresh-keeping special-purpose freshness preserving equipment that circulates, particularly be that a kind of dispensing or short-term are deposited the air-conditioning temperature-reducing and light-tight preservation box of vegetables.

Background technology

Vegetables after the harvesting are the living organisms of living, and being accompanied by with the respiratory metabolism is a series of ripe old and feeble variation the at center, and quality of vegetable descends, final rotten ruining.The fresh-keeping common mode of vegetable storage mainly comprises at present: the storage of (1) simple and easy storage place.Be characterized in utilizing natural cooling source and other favourable physical geography conditions, as the storage of earth kiln hole, cavern storage as far as possible; (2) freezer storage.Be characterized in adopting mechanically refrigerated mode, for the storage object provides suitable temperature and regulates damp condition according to vegetable species and breediness; (3) air conditioned storage.Be characterized on the basis of control preference temperature and humidity, by the concentration of the gases such as oxygen, carbon dioxide and ethene in the regulation and control storage environments such as nitrogen making machine and CO2 remover, to satisfy the desired suitable gas component of storage object; (4) simple air conditioning storage.Be that vegetables are packaged in the relative fully enclosed microenvironment, promptly be generally the big account of plastic film bag or plastics, utilize the relative hypoxemia of respiratory metabolism generation of vegetables self and the environment of high carbon dioxide, the regulation and control of the gas componant in the storage environment can only obtain a kind of relatively more suitable gas componant by regulating thickness, kind and the prescription etc. of Packing Unit, adjusting film; (5) subatmospheric pressure storage.Be meant that on suitable low temperature basis according to the characteristic of different vegetable, the pressure reduction with storage environment promptly forms a suitable degree of vacuum, along with the raising of degree of vacuum, the absolute content of oxygen reduces in the storage environment; (6) other storage methods.As high voltage electric field processing, ozone or chlorine dioxide treatment, static or radiation treatment etc.

At present, in China's vegetables circulation sale, the dispensing mode has been occupied higher proportion, and presents the impetus of quick growth; It is vegetables inevitable links in circulation, sale or process of consumption that short-term is deposited.Vegetables are deposited fresh-keeping in the process in dispensing and short-term, and preserve the fresh-keeping of place and compare fixing, at aspects such as transportation means, transport packages different requirements are arranged.Higher in view of China's cold chain and standard controlled atmosphere storing cost, be difficult to the present situation popularized in a short time, the dispensing of most vegetables adopts the expanded polystyrene Turnover Box in conjunction with cash transport van or the transportation of common box car, at supermarket and other sales section room temperature storages.Deposit in the process in dispensing and short-term, there are the defective that Vegetable Preservation is of poor quality, the vegetables loss is big in existing expanded polystyrene Turnover Box and room temperature storage method.

Summary of the invention

The purpose of this utility model is to overcome the defective that above-mentioned prior art exists, and provide a kind of and have controlled atmosphere, cooling, lucifuge, repeated use function, and low a kind of dispensing or the short-term of cost is deposited the air-conditioning temperature-reducing and light-tight preservation box of vegetables.

The technical scheme that solves the problems of the technologies described above is: a kind of dispensing or short-term are deposited the air-conditioning temperature-reducing and light-tight preservation box of vegetables, described air-conditioning temperature-reducing and light-tight preservation box comprises: casing and seal cover cap have been coated with the heat-insulation layer of heat-blocking action at casing case lid suitable for reading on the madial wall of described casing; Described box inside bottom is provided with shelf, and this shelf is provided with the through hole of being convenient to gaseous exchange in the casing; The end, be provided with fluid refrigerant bag in the described shelf lower part box; Two sides of box location symmetry are provided with a plurality of breather holes; The selectivity ventilated membrane covers on described a plurality of breather holes of box inside; Outside face at described casing has reflecting coating.

The beneficial effects of the utility model are: of the present utility modelly be used to provide and deliver or short-term is deposited the antistaling box that vegetables are used, adopt acrylic resin (PP resin) to do the basic structure material, product is had good protective action, and can repeated use, be fit to vehicle-mounted transportation; Adopt silaatic to do sealing band, realize excellent sealing with the four sides buckle structure, self-clinching sealing case lid removes the basic function with packing container, and casing itself has good air-tightness and crush resistance.

Controlled atmosphere function of the present utility model is based on the adjustment of the leak tightness of antistaling box and selectivity ventilated membrane of pasting by device and area thereof and product and breathes that combined action realizes in the perforate of casing two sides; Respiration and the selectivity ventilated membrane that is arranged on scalable area on the casing by product in the case, realize the gas composition that different vegetable dispensing or short-term suited between storage period, mainly be to improve concentration of carbon dioxide and reduce oxygen concentration, reach to prolong and circulate and the resting period, delay the effect of quality deterioration.The purpose of lucifuge also prevents the aging effect of light irradiation promotion vegetables under subnormal temperature except reducing the influence of radiant heat to heating up in the case.Therefore, play reflected light rays, so that product is in the lucifuge state in the case by being coated with by the silver gray reflecting coating at box outer surface.

Of the present utility modelly be used for dispensing or short-term is deposited vegetables and used air-conditioning temperature-reducing and light-tight preservation box, inner face is provided with the polyurethane thermal insulation layer of 2cm, sealing band between case lid and the casing is a polytetrafluoroethylene, box shape is a cuboid, box sizes is long 500～600mm, wide 400～450mm, high 400～450mm, loading amount 15～20kg adopts self-clinching sealing case lid.Whole antistaling box helps loading and unloading, the basic function that can anti-extrusionly collide with and wait pack.

Antistaling box of the present utility model is owing to have sealing function, can cause the interior vegetables of case to understand oxygen consumed and accumulate carbon dioxide because of respiration, therefore the casing wall is provided with a plurality of holes, by regulating the number of perforate, reach the ventilative area of adjusting the selectivity ventilated membrane, realize changing the purpose of gas composition in the antistaling box with this.The control method of ventilative area is: on the wall of two width of casing, all beat the identical circular hole of diameter 1.6cm, number and arrangement mode regularly, the design of the perforate gross area press 20kg and is adorned vegetables, the per kilogram about 15cm of area that need breathe freely ²Calculate the about 300cm of the perforate gross area ², then the perforated area of every side is about 150cm ², amount to about 75 of number of aperture.

Realizing the gas composition that different vegetable dispensing or short-term suited between storage period, mainly is to improve concentration of carbon dioxide and reduce oxygen concentration.Have the characteristic of bigger ventilative ratio according to the selectivity ventilated membrane, can open hole count by adjusting and realize regulating ventilative area size purpose, and reach than high carbon dioxide with than the purpose of hypoxemia.

Be provided with reusable ice bag in the air-conditioning temperature-reducing and light-tight preservation box of the present utility model, can realize cooling effect, the secondary refrigerant in the ice bag is the very low macromolecule material solution of freezing point.

Air-conditioning temperature-reducing and light-tight preservation box of the present utility model applies the silver gray reflex-reflective material at the whole box body outside face, at the silver gray reflex-reflective material of whole box body outside face, can effectively realize the lucifuge effect.

The cooling function of antistaling box is to reduce the common realization of photothermal absorption by the reflex-reflective material that the thermal insulation layer of the decalescence of the ice bag of device in the case internal fixation is iced groove, cabinet wall setting and box outer surface spray, and reflecting coating also has the effect of shading;

All there is foot rest each bottom half of air-conditioning temperature-reducing and light-tight preservation box of the present utility model outside, and the foot rest junction is arranged at case lid top, can guarantee dispensing and deposits in the process the firm accumulation of a plurality of casing safety and put.

Description of drawings

Fig. 1 the utility model structural representation;

Fig. 2 is an A-A cutaway view among Fig. 1, and this figure partly shows partial cutaway to the selectivity ventilated membrane.

" sequence number explanation in the accompanying drawing "

1: case lid; 2: snap close; 3: the bossing at case mouth edge; 4: sealing band; 5: casing; 6: heat-insulation layer; 7: the selectivity ventilated membrane; 8: breather hole; 9: shelf; 10: fluid refrigerant bag; 11: adhesive tape; 12: reflecting coating; 13: foot rest; 14: the foot rest junction; 15: through hole.

The specific embodiment

Below in conjunction with accompanying drawing the embodiment of being of the present utility model is described in further detail.

Fig. 1 the utility model structural representation; Fig. 2 is an A-A cutaway view among Fig. 1.

As shown in the figure, the utility model provides a kind of dispensing or short-term to deposit the air-conditioning temperature-reducing and light-tight preservation box of vegetables, and described air-conditioning temperature-reducing and light-tight preservation box comprises: casing 5 and seal cover cap are at casing case lid 1 suitable for reading.Be coated with the heat-insulation layer 6 of heat-blocking action on the madial wall of described casing 5; Described casing 5 inside bottom are provided with shelf 9, and this shelf 9 is provided with the through hole 15 of being convenient to gaseous exchange in the casing 5; The end, be provided with fluid refrigerant bag 10 in described shelf 9 lower part box 5; Two sides of casing 5 position symmetries are provided with a plurality of breather holes 8; Selectivity ventilated membrane 7 covers on described a plurality of breather holes 8 of casing 5 inboards; Outside face at described casing 5 has reflecting coating 12.

The hermetically-sealed construction of described casing 5 and case lid 1 is: case lid 1 outer setting have can be movable snap close 2, described snap close 2 is held on the bossing 3 at case mouth edge of casing 5; Be provided with sealing band 4 at casing 5 between the suitable for reading and case lid 1.

Described heat-insulation layer 6 is polyurethane insulation coatings.

The utility model also comprises adhesive tape 11, and described adhesive tape 11 is pasted on described a plurality of breather holes 8 in casing 5 outsides; The quantity that described adhesive tape 11 hides breather hole 8 is to determine according to vegetable variety in the casing 5.

Described reflecting coating 12 applies the silver gray reflex-reflective material at the whole box body outside face.

The utility model also comprises a plurality of foot rests 13 and a plurality of foot rests junction 14; Described a plurality of foot rest 13 is arranged on casing 5 bottom outside; Described a plurality of foot rests junction 14 is arranged on case lid 1 outside top, and described a plurality of foot rests 13 can be embedded in a plurality of foot rests junction 14.

Described selectivity ventilated membrane 7 is silicone rubber membranes.Described selectivity ventilated membrane 7 has the saturating property of the selection of oxygen and carbon dioxide, can the interior gas composition of spontaneous surge tank.

Claims

One kind the dispensing or short-term deposit the air-conditioning temperature-reducing and light-tight preservation box of vegetables, described air-conditioning temperature-reducing and light-tight preservation box comprises: casing and seal cover cap are at casing case lid suitable for reading, it is characterized in that, be coated with the heat-insulation layer (6) of heat-blocking action on the madial wall of described casing (5); Described casing (5) inside bottom is provided with shelf (9), and this shelf (9) is provided with the through hole (15) of being convenient to the interior gaseous exchange of casing (5); The interior end of described shelf (9) lower part box (5), be provided with fluid refrigerant bag (10); Two sides of casing (5) symmetry are provided with a plurality of breather holes (8); Selectivity ventilated membrane (7) covers on the inboard described a plurality of breather holes (8) of casing (5); Outside face at described casing (5) has reflecting coating (12).
2. deposit the air-conditioning temperature-reducing and light-tight preservation box of vegetables according to a kind of dispensing or short-term described in the claim 1, it is characterized in that, described casing and case lid hermetically-sealed construction are: case lid (1) outer setting have can be movable snap close (2), described snap close (2) is held on the bossing (3) at case mouth edge of casing (5); Be provided with sealing band (4) at casing (5) between the suitable for reading and case lid (1).
3. deposit the air-conditioning temperature-reducing and light-tight preservation box of vegetables according to a kind of dispensing or short-term described in the claim 1, it is characterized in that described heat-insulation layer (6) is a polyurethane insulation coating.
4. deposit the air-conditioning temperature-reducing and light-tight preservation box of vegetables according to a kind of dispensing or short-term described in the claim 1, it is characterized in that, also comprise adhesive tape (11), described adhesive tape (11) is pasted on described a plurality of breather holes (8) in casing (5) outside.
5. deposit the air-conditioning temperature-reducing and light-tight preservation box of vegetables according to a kind of dispensing or short-term described in the claim 1, it is characterized in that, described reflecting coating (12) applies the silver gray reflex-reflective material at the whole box body outside face.
6. deposit the air-conditioning temperature-reducing and light-tight preservation box of vegetables according to a kind of dispensing or short-term described in the claim 1, it is characterized in that, also comprise a plurality of foot rests (13) and a plurality of foot rests junction (14); Described a plurality of foot rest (13) is arranged on casing (5) bottom outside; Described a plurality of foot rests junctions (14) are arranged on case lid (1) outside top, and described a plurality of foot rests (13) can be embedded in a plurality of foot rests junction (14).
7. deposit the air-conditioning temperature-reducing and light-tight preservation box of vegetables according to a kind of dispensing or short-term described in the claim 1, it is characterized in that described selectivity ventilated membrane (7) is a silicone rubber membrane.