CN1950650A

CN1950650A - Vacuum storage compartment construction in cooling apparatus

Info

Publication number: CN1950650A
Application number: CNA2005800149496A
Authority: CN
Inventors: 西蒙·詹姆斯·内勒; 萨米尔·希尔盖昂卡尔; 詹姆斯·比钦·尼夫; 马克斯·威廉·米德尔顿
Original assignee: BSH Bosch und Siemens Hausgeraete GmbH
Current assignee: BSH Hausgeraete GmbH
Priority date: 2004-05-13
Filing date: 2005-05-13
Publication date: 2007-04-18
Anticipated expiration: 2025-05-13
Also published as: GB0410718D0; GB2414065A; EP1747414A1; EP1747414B1; WO2005114071A1; GB2414065B; CN100533012C

Abstract

Cooling apparatus, for example, a refrigerator (10), is provided with an evacuatable storage compartment defined by a separately constructed, i.e. self-contained, box unit (16) mounted in a housing of the apparatus and basically composed of a robust integral structure (18) which forms two side walls (19), a top wall (20), a bottom wall (21) and a back wall (22) and bounds an aperture (24) serving as an access opening of the compartment. The unit is completed by a door (26) sealably closing the aperture.

Description

Vacuum storage compartment construction in the cooling device

Technical field

The present invention relates to cooling device, relate in particular to the vacuum storage compartment construction in the cooling device.

Background technology

Proposed in cooling device, especially family expenses refrigerator (refrigerator), freezer unit and refrigerator/freezer unit sub-assembly, to be provided with and be used for the vacuum storage compartment of food storage in vacuum environment.Such environment delays to be stored the rotten possibility of goods generation by growth and the photosynthesis that reduces aerobe except other factors.When goods were in the storage state, the storeroom of described type should preferably be found time automatically, and can get back to atmospheric pressure, thereby allowed to take out goods via the closed inlet (access aperture) of storeroom.Therefore, storeroom should be easy to find time and supercharging, and can bear the negative pressure stress level of about 200 millibars of absolute pressures under long-time section and repetitive cycling, and relatively easily keeps clean and clear up.Minimize by the quantity that makes the hot spot that leakage takes place, should partly satisfy the requirement that continues to keep inner vacuum.In the broader sense, this storeroom should be produced simple, economical, and is in light weight, and if possible, can be common in the cooling device of different designs, in particular for need not transform or the situation of key technological transformation under can be used for storage compartment construction in the distinct device configuration.

Summary of the invention

Therefore, main purpose of the present invention is to provide a kind of cooling device with storeroom, and this storeroom can be general and be had firm and simple structure, can local leak to bear different pressures.

Attached purpose of the present invention is to provide low-cost configuration, and it has the parts of relative small number, thereby is convenient to large-scale production and assembling.Can obviously find out other purpose and advantage from the following description.

According to the present invention, a kind of cooling device is provided, it is provided with the storeroom that can find time, this storeroom is limited by the box type unit of independent structure, this box type unit comprises that an overall structure and can open the door, this overall structure forms two sidewalls, roof, diapire and rear walls of this unit and defines an anterior inlet, this salable this inlet of closing that can open the door.

The storeroom that is the box type unit form of independent structure is represented an independent or self-contained module, and it can be used for comprising in the cooling device of dissimilar or modification of refrigerator, freezer unit and refrigerator/freezer unit sub-assembly.Comprising the internal equipment that may have different size and assembling but have under the situation of identical essential characteristic as the different model goods scope of refrigeration, freezing and vacuum storage compartment, this is particularly advantageous.So, only needing very little transformation or do not need any transformation, this unit just can be used for all goods in this scope, and it has significant advantage aspect manufacturing cost.This advantage combines with inherent robust storage compartment construction, and wherein this storage compartment construction is realized by the overall structure of all walls that form box type unit.This monoblock type or one piece design have been eliminated otherwise will have been appeared at all potential leakage points of wall connecting portion, and can significantly reduce the quantity of forming these required parts in unit, and this is very useful to low cost manufacturing and assembling.When producing, this overall structure can be easy to provide and door is installed and be discharged the relevant integrated feature of air to the storeroom air supply with from storeroom.

If at least one wall that is formed by overall structure, each that is preferably in sidewall, roof and the diapire are crooked, protrude with the outside, then can strengthen the box type unit opposing by the ability of inner pumping with the load that keeps suitable pressure-reduction level to cause in the unit.So this structure has the structure of simulating the pressure vessel of the wall that has outside bow at least in part, to prevent by subsiding or bending that negative pressure causes.If rapid transition is eliminated at the rounded angle of the connecting portion of one or more walls, can further strengthen the intensity of structure; By reducing food residue and cleaning being become easily, this feature also helps to keep health.

Door can be installed in according to any desired form on the overall structure, and still, in a particularly advantageous embodiment, it is installed in and can moves in this unit, for example can be formed on the drawer that slides on the guide on the inside surface of side wall.Open door and just can take out the goods that leave in the drawer easily.The guide that for example is slideway (chute) form can be the global facility of sidewall.

This unit preferably includes sealing device, and with respect to the peripheral element hermatic door, this peripheral element is formed by this overall structure and around this inlet.The sealing device for example can be combined in the groove, and this groove is arranged in this peripheral element, and door is engaged in this groove when closing this inlet.

Door itself can be transparent at least in part, is for example partially or completely made by glass, to allow to check or observe the content of storeroom.Yet this overall structure is preferably the plastic material moulded parts, and formpiston that it can be by cooperating simple shape and former are produced at an easy rate and do not had undercutting or a movable part.At least one wall preferably includes whole ribs, with the non-deformability of further enhancing wall under the effect of pressure reduction load.

The supplementary features of this unit can be the joint in the rear wall that is arranged on this structure, to be used for discharging air to the storeroom air supply with from storeroom.These joints for example can comprise in the opening that is installed in rear wall or pipeline or the flexible pipe Connection Element integrally formed with this wall.

Description of drawings

Mode is described embodiments of the invention in detail with reference to accompanying drawing by way of example now, wherein:

Fig. 1 is the schematic side pseudosection of a refrigerator, and it is combined with the vacuum storage compartment in one embodiment of the invention; And

Fig. 2 is the schematic, exploded perspective view with the box type unit that limits this storeroom shown in the magnification ratio.

The specific embodiment

Referring now to accompanying drawing, wherein Fig. 1 shows a refrigerator or refrigerator (refrigerator) 10 with the height illustration, and it comprises an insulated case 11, and this housing 11 surrounds the storage space that is cooled 12 of stored goods under atmospheric pressure.Space 12 is closed by door 13.Housing 11 also comprises one can enter the vacuum storage compartment 14 of (or approaching) by door 15 from hull outside.This storeroom 14 is by independent structure, promptly fully the box type unit 16 of independent (or self-contained) limits, and it is installed in this housing 11, and will be described in more detail below, and this unit is closed by corresponding.Space 17 is positioned at the below of storeroom 14, and it holds the evaporation of refrigerator and common components and the vavuum pump and the associated conduit and the control element that are used for vacuum storage compartment 14 in condensation loop.

Fig. 2 shows the box type unit 16 that limits storeroom 14 with independent and magnification ratio.In addition, this unit illustrates in the mode of exploded pictorial, to help to understand the structure of this unit.The primary element of this unit is an overall structure 18, it is made up of the plastic material integral molded parts, and forming two sidewalls 19 respect to one another, roof 20, diapire 21, rear wall 22 and anterior peripheral element 23, this front portion peripheral element 23 is round an opening 24 as the inlet of the inside that enters unit 16.In sidewall 19, roof 20 and the diapire 2 each and alternatively rear wall 22 are crooked (curved), protruding, and improve anti-subside or anti-deformation of this unit under load, especially internal negative pressure effect thus at its outer surface.In addition, one or more walls can in conjunction with whole ribs 25 or rib decorative pattern-with way of example illustrating on the roof 20-with the anti-deformation under the effect of further enhancing load.The rounded angle of the connecting portion of each wall is with by eliminating optimize structure 18 intensity of bending area.The fillet connecting portion of unit inside also helps to clear up and eliminate retaining of food debris.

Box type unit 16 is able to complete by above-mentioned corresponding door, this door is represented with Reference numeral 26, and closed opening 24.When closing, door 26 is nested in the groove 27 of peripheral element 23, and is sealed and matched with the elastic sealing element 28 that is installed in this groove, like this, the inside of storeroom just isolates with the atmospheric pressure gas-tight seal, otherwise this atmospheric pressure will be occupied an leading position in refrigerator housing 11.Door 26 can comprise panel of transparent material, and inserts of glass for example is so that the user can see the article of storage in the storeroom 14.Door 26 is carried by drawer 29, and this drawer 29 is directed on slideway (or chute) 30, and this slideway is integrally formed on the inner surface of two sidewalls 19 of unit 16.When for example opening door 26 the time by the handle (not shown), drawer 29 skids off, thereby can be at an easy rate near the goods that are stored in the storeroom.

The rear wall 22 of overall structure 18 has two joints 31, to be used for making vacuum tube, flexible pipe or other pipeline discharge air from storeroom in pump-down, and at storage stage maintenance vacuum state, and to the storeroom air supply to recover atmospheric pressure, thereby door can be opened, to take out and to put into goods.

By top description, be self-evident in the use of the vacuum storage compartment in service 14 of refrigerator 10.Open external door 15 and just can enter storeroom, afterwards, along with the pressurization of storeroom, inside door 26 can be opened.Close after the door 26, storeroom can be found time once more.Produce the detector of response by opposite house 26 and/or door 15 and to stress level, can automatically perform pressurization and find time.Detector for example can be mechanical switch and pressure switch.Also hand switch can be set, to control specially by the user and/or to surmount automatic operation.

Refrigerator among the embodiment described above is combined with a vacuum storage compartment, and the structure of this vacuum storage compartment can be born the pressure-reduction level that runs in the use at an easy rate, is easy to keep effective sealing of door, and effective, long-term vacuum tightness effect is provided.The basic element of character of box type unit 16, be that overall structure 18 is cheap and be easy to make, thereby be fit to large-scale production, and integrated feature, for example drawer runner, ribs and pipe joint can be provided in molding process at an easy rate.This storeroom constitutes a kind of like this standalone module, and it can be common to dissimilar refrigerators potentially and need not carry out any transformation.Yet under situation about transforming, it also can and be replaced single molded utensil by redesign and obtain.

Claims

1. cooling device, it is provided with the storeroom that can find time, this storeroom is limited by the box type unit of independent structure, this box type unit comprises that an overall structure and can open the door, this overall structure forms two sidewalls, roof, diapire and rear walls of this unit and defines an anterior inlet, this salable this inlet of closing that can open the door.

2. equipment as claimed in claim 1 is characterized in that at least one wall is crooked, protrudes with the outside in this unit.

3. equipment as claimed in claim 2 is characterized in that, sidewall, roof and diapire all are crooked, protrudes with the outside in this unit.

4. any one described equipment in the claim as described above is characterized in that the rounded angle of at least one connecting portion of described wall.

5. any one described equipment in the claim as described above is characterized in that this is installed on the drawer that can move in this unit.

6. equipment as claimed in claim 5 is characterized in that, this drawer can slide on the guide that is formed on this inside surface of side wall.

7. any one described equipment in the claim as described above is characterized in that, this unit comprises with respect to the sealing device that is formed and seal around the peripheral element of this inlet this by this overall structure.

8. equipment as claimed in claim 7 is characterized in that, this is bonded on when closing in the groove in this peripheral element.

9. any one described equipment in the claim as described above is characterized in that this is transparent at least in part.

10. any one described equipment in the claim as described above is characterized in that this overall structure comprises the plastic material moulded parts.

11. any one described equipment in the claim is characterized in that as described above, at least one wall comprises at least one whole ribs.

12. any one described equipment in the claim is characterized in that as described above, the rear wall of this structure is provided with and is used for to this storeroom supply air and discharges the joint of air from this storeroom.

13. any one described equipment in the claim is characterized in that as described above, this equipment is refrigerator, freezer unit or refrigerator/freezer unit.