CN102628631A - Refrigerating apparatus with nitrogen atmosphere - Google Patents
Refrigerating apparatus with nitrogen atmosphere Download PDFInfo
- Publication number
- CN102628631A CN102628631A CN2012100389699A CN201210038969A CN102628631A CN 102628631 A CN102628631 A CN 102628631A CN 2012100389699 A CN2012100389699 A CN 2012100389699A CN 201210038969 A CN201210038969 A CN 201210038969A CN 102628631 A CN102628631 A CN 102628631A
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- CN
- China
- Prior art keywords
- inner space
- nitrogen
- refrigerating plant
- described refrigerating
- zone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
- F25D2317/043—Treating air flowing to refrigeration compartments by creating a vacuum in a storage compartment
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention refers to a refrigerating apparatus, especially a household refrigerating apparatus which has an inner space (103) capable of being filled with nitrogen. The household refrigerating apparatus comprises a vacuum pump (115) evacuates the inner region and a unit (123,125)) for adding nitrogen to the evacuated inner regions.
Description
Technical field
The present invention relates to the field of refrigerating plant, particularly household refrigerating device.
Background technology
For store food is used refrigerating plant usually, this refrigerating plant can be through reducing the durability that storage temperature prolongs food.Even but this durability is under low-down temperature, also can be owing to the microorganism that exists all the time usually in the refrigerating plant is restricted.This microorganism needs oxygen for existing, in refrigerator atmosphere, contain aerobic usually.
The durability of food for example can be improved through in refrigerating plant, producing the atmosphere that contains nitrogen, as introducing in the document JP 11132643.
Summary of the invention
The objective of the invention is to, further improve the durability that leaves the food in the above-mentioned type refrigerating plant in.
Refrigerating plant is meant household refrigerating device especially; Just in family or the refrigerating plant that perhaps also has catering field to use; And especially under the temperature of confirming, depositing the food of family's usual amounts and/or the refrigerating plant of beverage, for example as refrigerator, refrigerator-freezer, icy combination sideboard or refrigerating box.
This purpose is achieved through the characteristic of independent claims.Favourable expanded configuration is the theme of dependent claims.
The present invention is based on this understanding, the durability of instant food can obtain prolonging through the oxygen content that as far as possible farthest reduces in the refrigerating plant inner space.This reduction can produce through the inner space of refrigerating plant or at least one zone, inner space are vacuumized by vavuum pump for example.Inner space that is vacuumized or the zone, inner space that is vacuumized preferably are filled nitrogen after vacuumizing, can realize pressure compensation and can realize the favourable refrigerating plant atmosphere of durability to leaving the food in the refrigerating plant on the other hand on the one hand thus.
According to an aspect, the present invention relates to a kind of refrigerating plant with the inner space that can be filled nitrogen.Refrigerating plant comprises the device that is used for vavuum pump that inner area of space is vacuumized and the zone, inner space that is used for the nitrogen adding is vacuumized.Vavuum pump for example can be to be used for own known vavuum pump that the space is vacuumized.The device that is used to add nitrogen for example can have discharge nozzle or with the jockey in zone, inner space, this jockey can add nitrogen in the zone, inner space after the zone, inner space is vacuumized.
The present invention relates to refrigerating plant according to a kind of embodiment, the device that wherein is used to add nitrogen comprises nitrogen cascade and the valve that is connected with nitrogen cascade.Promptly this valve is connected with nitrogen cascade and is set for nitrogen is imported in the zone, inner space.
The present invention relates to refrigerating plant according to a kind of embodiment, its intermediate pump is connected with a valve.This valve that is connected with vavuum pump can be different from the valve that is connected with nitrogen cascade.In this case, refrigerating plant comprises the valve of two work independently of one another.But according to a kind of embodiment, the valve that is connected with nitrogen cascade for example refers to same valve with the valve that is connected with vavuum pump, and it for example can be a multichannel.So for example valve passage can be opened to inner area of space when vavuum pump moves, and can vacuumize inner area of space thus.
The present invention relates to refrigerating plant according to a kind of embodiment, wherein separately valve is arranged in the zone, inner space or regional outside, inner space.The valve that so for example is connected with nitrogen cascade is arranged on the outside in zone, inner space, and the valve that is connected with vavuum pump then is arranged in the zone, inner space, and vice versa.Same good is that two valves are arranged on the outside or the inside in zone, inner space.If valve for example is a banked direction control valves, it both also was connected with vavuum pump with nitrogen cascade, and it can correspondingly be arranged in the zone, inner space or its outside so.
The present invention relates to refrigerating plant according to a kind of embodiment, wherein inner space zone passage refrigeration container forms.The refrigeration container for example can form the vacuum box of the inside store food.
The present invention relates to refrigerating plant according to a kind of embodiment, wherein refrigerate container and be fixedly installed in the inner space or and be fixedly connected with the inner space.The refrigeration container, for example above-mentioned vacuum box for example can be the unitary member of inner space.This incorporate parts for example can form through the folder chamber in the inner space, and it for example can be closed by door.But the refrigeration container for example can be connected with the wall of inner space or with the refrigeration thing frame of inner space through bonding.
The present invention relates to refrigerating plant according to a kind of embodiment, wherein refrigerate container and can put into inner space and space taking-up internally.The refrigeration container for example can form in the drawer moulding, and drawer can be drawn out and push.
The present invention relates to refrigerating plant according to a kind of embodiment, wherein refrigerate container and be arranged on the refrigeration thing frame.Refrigeration thing frame for example can be to be used to hold glass plate or the shelf that refrigerates thing.
The present invention relates to refrigerating plant according to a kind of embodiment, wherein refrigerating container can close by lid or door.Refrigerate container for this reason and can have in addition and can utilize lid or the door opening of closing, this opening for example can have around sealing strip.
The present invention relates to refrigerating plant according to a kind of embodiment, wherein extend on entire inner space in the zone, inner space.
The present invention relates to refrigerating plant according to a kind of embodiment, its intermediate pump can cycling service with the device that is used to add nitrogen.In this case, for example no matter be that the device that vavuum pump or be used to adds nitrogen all can cycling service, just be activated.So for example vavuum pump can be activated with regular time at interval, so that inner area of space is vacuumized.Similarly, be used to add the device of nitrogen can be periodically and be activated with staggering in time, so that after inner area of space is correspondingly vacuumized, nitrogen is added wherein.
The present invention relates to refrigerating plant according to a kind of embodiment, this refrigerating plant comprises and is used for vacuum pressure and/or nitrogen pressure are adjusted to the control device on the predetermined separately force value.Control device for example can have electronic circuit, and it can have the feedback loop of known type own, to reach nitrogen pressure and/or vacuum pressure are adjusted on the predetermined separately force value, and just or on the vacuum pressure value, or on the nitrogen force value.
The present invention relates to refrigerating plant according to a kind of embodiment, wherein control device comprises pressure sensor.Pressure sensor for example can both be measured vacuum pressure, also measured nitrogen pressure.But control device can have two pressure sensors, i.e. a vacuum pressure sensor and a nitrogen pressure sensor.
The present invention relates to refrigerating plant according to a kind of embodiment, wherein be provided with the device that is used to add gaseous nitrogen.
The present invention relates to refrigerating plant according to a kind of embodiment, wherein be provided with the blower fan that is used in the zone, inner space, distributing nitrogen.
The present invention relates to refrigerating plant according to a kind of embodiment, wherein be provided with the blower fan that is used in the zone, inner space, distributing nitrogen.
According to a further aspect; The present invention relates to a kind of method that is used to make refrigerating plant operation with inner space; Wherein the zone, inner space is for example vacuumized by vavuum pump and wherein in the zone, inner space that vacuumizes, and is just for example added nitrogen by the said apparatus that is used to add nitrogen at it after vacuumizing.The additive method step is directly from the function according to refrigerating plant of the present invention.
Description of drawings
With reference to accompanying drawing other embodiment are described.Wherein:
Fig. 1 illustrates the refrigerating plant according to a kind of embodiment;
Fig. 2 illustrates refrigerating plant in other embodiments;
Fig. 3 illustrates refrigerating plant in other embodiments.
The specific embodiment
Fig. 1 illustrates the refrigerating plant 101 with inner space 103, and this inner space surrounds through housing 105.In inner space 103, be provided with refrigeration thing frame 107-114, these refrigeration thing framves for example can be configured to refrigerate thing shelf or glass plate.
Refrigerating plant comprises vavuum pump 115, and this vavuum pump is connected with inner space 103 through pipeline 119 by valve 117.In the embodiment shown in Fig. 1, entire inner space 103 forms zone, an inner space.This valve 117 for example can open or close through regulating element 121.Vavuum pump 115 is set for inner space 103 is vacuumized.After inner space 103 was vacuumized, this inner space preferably was filled nitrogen.For this reason, this refrigerating plant 101 comprises the device that is used for nitrogen is added inner space 103.Be used to add the valve 125 that the device of nitrogen comprises nitrogen cascade 123 and has outlet 126, wherein, valve 125 can open or close by regulating element 127.Nitrogen cascade 123 is connected with valve 125 by intake line 129.Valve 125 for example is arranged in the inner space 103.But this valve also can be arranged on 103 outsides, inner space.Nitrogen cascade 123 for example can be configured to bottle, and it for example is set for and holds liquid nitrogen.Nitrogen for example can through or be not assigned in the inner space 103 by unshowned inner blower fan in Fig. 1.Nitrogen for example can be manually or automatically through same unshowned electronic installation in Fig. 1, particularly flow to inner space 103 by control device.
Nitrogen for example can be the nitrogen N2 of gaseous nitrogen.But notion " nitrogen " also can refer to be applicable to all gaseous states and liquid nitrogen compound that in inner space 103, produce nitrogen containing atmosphere.
Fig. 2 illustrates refrigerating plant in other embodiments, and with different at refrigerating plant shown in Fig. 1, vavuum pump 115 is connected with valves 201 in being in inner space 103 in this refrigerating plant.This valve 201 comprises regulating element 203 and is connected with inner space 103 through pipeline 205 that valve 201 can open or close through this regulating element.These valves 201 and 125 can for example be arranged in the latter half of refrigerating plant 101, particularly near the bottom.These valves can be used as element separately and constitute.According to a kind of embodiment, valve 201 can be by both opening or closing with unique banked direction control valves that nitrogen cascade 123 also is connected with vavuum pump 115 with 125.
Fig. 3 illustrates refrigerating plant in other embodiments, and this refrigerating plant is for example to be the basis at the embodiment shown in Fig. 2.But can be equally well to be the basis at the embodiment shown in Fig. 1 at the embodiment shown in Fig. 3.Comprising at the refrigerating plant shown in Fig. 3 for example can be through the zone, inner space 301 of refrigeration container formation.This zone, inner space 301 for example can be constructed to vacuum box.Inner space zone 301 can utilize cover 303 or in Fig. 3 unshowned close.Zone, inner space 303 for example is fixedly connected with inner space 103.According to a kind of embodiment, zone, inner space 301 can be movable.Pipeline 119 and export 126 and be connected with inner space zone 301.
Be in operation, inner space 103 or zone, inner space, zone 301, for example inner space are vacuumized and are filled then the nitrogen from nitrogen cascade 123 by vacuum area 115.Nitrogen can be distributed in inner space 103 or the zone, inner space gaseous state, produces the blanket of nitrogen that prolongs the durability that leaves the food in the refrigerating plant in thus.Nitrogen can be manually through for example opening a regulating element or automatically in using Fig. 1 to 3, being transported to inner space 103 or zone, inner space under the situation of unshowned control device.
Control device for example can have one or more pressure sensors for this reason, and it is for example made a response to vacuum pressure or nitrogen pressure and opens or closes valve separately according to the pressure that is detected separately.Control device can for example be provided for not only making vavuum pump but also be used in the device that adds nitrogen periodically moving.Vacuumize or cycle of filling nitrogen for example can be confirmed by pressure transmitter and pressure sensor.The inner blanket of nitrogen of refrigerating plant for example can produce and be equivalent to atmospheric internal pressure.But according to a kind of embodiment, blanket of nitrogen is in excessive rolling, can produce pure especially blanket of nitrogen in the inside of refrigerating plant thus.
List of numerals
101 refrigerating plants
103 inner spaces
105 housings
107-114 refrigeration thing frame
115 vavuum pumps
117 valves
119 pipelines
121 regulating elements
123 nitrogen cascades
125 valves
126 outlets
127 regulating elements
129 intake lines
201 valves
203 regulating elements
205 pipelines
301 refrigeration containers
303 lids.
Claims (16)
1. refrigerating plant, particularly household refrigerating device; Has the inner space (103) that can be filled nitrogen; It is characterized in that, be provided with the device (123,125) that is used for the vavuum pump (115) that inner area of space is vacuumized and is used for nitrogen is joined the zone, said inner space that is vacuumized.
2. by the described refrigerating plant of claim 1, it is characterized in that the said device (123,125) that is used to add nitrogen comprises nitrogen cascade (123) and the valve that is connected with nitrogen cascade (125).
3. by claim 1 or 2 described refrigerating plants, it is characterized in that said vavuum pump (115) is connected with a valve (117).
4. by claim 2 or 3 described refrigerating plants, it is characterized in that said valve (117,125) is arranged in the zone, said inner space.
5. by one of aforementioned claim described refrigerating plant, it is characterized in that said inner space zone passage refrigeration container (301) forms.
6. by the described refrigerating plant of claim 5, it is characterized in that said refrigeration container (301) is arranged on regularly in the said inner space (103) or with said inner space (103) and is permanently connected.
7. by the described refrigerating plant of claim 5, it is characterized in that said refrigeration container (301) can be put into said inner space (103) and can take out from said inner space (103).
8. by claim 5,6 or 7 described refrigerating plants, it is characterized in that said refrigeration container (301) is arranged on the refrigeration thing frame (107-114).
9. by one of claim 5 to 8 described refrigerating plant, it is characterized in that said refrigeration container (301) can be closed by lid (303) or door.
10. by one of aforementioned claim 1 to 4 described refrigerating plant, it is characterized in that zone, said inner space is gone up in entire inner space (103) and extended.
11., it is characterized in that said vavuum pump (115) and being used to adds the said device (123,125) of nitrogen can cycling service by the described refrigerating plant of one of aforementioned claim.
12., it is characterized in that said refrigerating plant comprises and is used for vacuum pressure and/or nitrogen pressure are adjusted to the control device on the predetermined separately force value by one of aforementioned claim described refrigerating plant.
13., it is characterized in that said control device comprises pressure sensor by one of aforementioned claim described refrigerating plant.
14., it is characterized in that said device (123,125) is provided with the nitrogen that is used to add gaseous state by one of aforementioned claim described refrigerating plant.
15. by one of aforementioned claim described refrigerating plant, it is characterized in that, be provided with the blower fan that is used in zone, said inner space, distributing nitrogen.
16. be used to make refrigerating plant, the particularly method of household refrigerating device operation with inner space, it is characterized in that, inner area of space is vacuumized, and nitrogen is joined in the zone, said inner space that is vacuumized.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201110003621 DE102011003621A1 (en) | 2011-02-03 | 2011-02-03 | Household refrigerating apparatus e.g. refrigerator has vacuum pump that evacuates inner region, and nitrogen introducing unit that introduces nitrogen into evacuated inner region |
| DE102011003621.0 | 2011-02-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102628631A true CN102628631A (en) | 2012-08-08 |
Family
ID=46546821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100389699A Pending CN102628631A (en) | 2011-02-03 | 2012-02-02 | Refrigerating apparatus with nitrogen atmosphere |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102628631A (en) |
| DE (1) | DE102011003621A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016950A (en) * | 2016-05-26 | 2016-10-12 | 青岛海尔股份有限公司 | Nitrogen generation control method and device of refrigerator |
| CN106642968A (en) * | 2016-11-11 | 2017-05-10 | 青岛海尔股份有限公司 | Nitrogen production control method for refrigerating and freezing equipment and refrigerating and freezing equipment |
| CN113446800A (en) * | 2020-03-24 | 2021-09-28 | 合肥华凌股份有限公司 | Fresh-keeping device and refrigerator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5718118A (en) * | 1996-11-25 | 1998-02-17 | Eisele; Hugh | Controlled atmosphere system |
| CN2286968Y (en) * | 1996-12-09 | 1998-08-05 | 何军 | Fixed de-airing preserving apparatus with gas regulation |
| JP2004036917A (en) * | 2002-06-28 | 2004-02-05 | Toshiba Corp | Refrigerator |
| CN1607367A (en) * | 2003-07-08 | 2005-04-20 | 柯煜阳 | Normal temperature fresh-keeping cabinet |
| CN101356935A (en) * | 2008-09-10 | 2009-02-04 | 杨声盛 | Atmosphere-controlling preservation method for meat |
| CN201251336Y (en) * | 2008-07-01 | 2009-06-03 | 河南新飞电器有限公司 | Membrane oxygen reducing and adjusting fresh keeping refrigerator |
| EP2124002A2 (en) * | 2008-03-12 | 2009-11-25 | Whirlpool Corporation | Device and method to produce a modified atmosphere for food preservation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11132643A (en) | 1997-10-29 | 1999-05-21 | Sharp Corp | Electric freezing refrigerator |
-
2011
- 2011-02-03 DE DE201110003621 patent/DE102011003621A1/en not_active Withdrawn
-
2012
- 2012-02-02 CN CN2012100389699A patent/CN102628631A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5718118A (en) * | 1996-11-25 | 1998-02-17 | Eisele; Hugh | Controlled atmosphere system |
| CN2286968Y (en) * | 1996-12-09 | 1998-08-05 | 何军 | Fixed de-airing preserving apparatus with gas regulation |
| JP2004036917A (en) * | 2002-06-28 | 2004-02-05 | Toshiba Corp | Refrigerator |
| CN1607367A (en) * | 2003-07-08 | 2005-04-20 | 柯煜阳 | Normal temperature fresh-keeping cabinet |
| EP2124002A2 (en) * | 2008-03-12 | 2009-11-25 | Whirlpool Corporation | Device and method to produce a modified atmosphere for food preservation |
| CN201251336Y (en) * | 2008-07-01 | 2009-06-03 | 河南新飞电器有限公司 | Membrane oxygen reducing and adjusting fresh keeping refrigerator |
| CN101356935A (en) * | 2008-09-10 | 2009-02-04 | 杨声盛 | Atmosphere-controlling preservation method for meat |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016950A (en) * | 2016-05-26 | 2016-10-12 | 青岛海尔股份有限公司 | Nitrogen generation control method and device of refrigerator |
| CN106016950B (en) * | 2016-05-26 | 2018-08-10 | 青岛海尔股份有限公司 | The nitrogen control method processed and device of refrigerator |
| CN106642968A (en) * | 2016-11-11 | 2017-05-10 | 青岛海尔股份有限公司 | Nitrogen production control method for refrigerating and freezing equipment and refrigerating and freezing equipment |
| CN113446800A (en) * | 2020-03-24 | 2021-09-28 | 合肥华凌股份有限公司 | Fresh-keeping device and refrigerator |
| CN113446800B (en) * | 2020-03-24 | 2022-05-31 | 合肥华凌股份有限公司 | Fresh-keeping device and refrigerator |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102011003621A1 (en) | 2012-08-09 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Munich, Germany Applicant after: BSH Household Electrical Appliance Co., Ltd Address before: Munich, Germany Applicant before: BSH Bosch and Siemens Household Appliances Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: BOSCH UND SIEMENS HAUSGERATE GMBH TO: BSH HOME APPLIANCES CO., LTD. Free format text: CORRECT: ADDRESS; FROM: |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120808 |