CN106918192A - Preservation device, refrigerator and preservation method - Google Patents
Preservation device, refrigerator and preservation method Download PDFInfo
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- CN106918192A CN106918192A CN201710169832.XA CN201710169832A CN106918192A CN 106918192 A CN106918192 A CN 106918192A CN 201710169832 A CN201710169832 A CN 201710169832A CN 106918192 A CN106918192 A CN 106918192A
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- Prior art keywords
- housing
- oxygen
- hole
- air pump
- enriched
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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
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
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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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
-
- 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
- F25D17/045—Air flow control arrangements
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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
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
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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
- 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
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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)
Abstract
The present invention discloses a kind of preservation device, using the preservation device refrigerator and be applied to the preservation method of above-mentioned preservation device or refrigerator, wherein, the preservation device includes housing, oxygen-enriched component, air pump and reset assembly, the housing forms the receiving space of closing, the air pump is located at the housing side for the oxygen-enriched air that the oxygen-enriched component is produced is pumped in the receiving space, opposite side of the reset assembly located at the housing, the reset assembly is used to the air discharge in housing when gas pressure is more than preset pressure value in the housing.The technical scheme that the present invention is provided aims to solve the problem that the existing preservation device mostly normal problem of hypoxemia, meat bad colour.
Description
Technical field
The present invention relates to refrigeration technology field, more particularly to a kind of preservation device, refrigerator and preservation method.
Background technology
Refrigerator is because can be to food fresh-keeping, it has also become one of most important electrical equipment in people's daily life, controlled atmosphere also into
It is a kind of increasingly common preservation technique.Air-conditioning fresh-keeping device in current refrigerator is directed to the guarantor of fruit or vegetable type food mostly
Fresh, use is generally hypoxemia controlled atmosphere scheme；And for the fresh-keeping scheme of meat, only focus on mostly and do not change in anti-metamorphic, taste,
And have ignored the normal problem of meat bad colour so that Consumer's Experience is not high.
The content of the invention
The main object of the present invention is to provide a kind of preservation device, the refrigerator using the preservation device and is applied to above-mentioned guarantor
The preservation method of fresh device or refrigerator, it is intended to solve the existing preservation device mostly normal technology of hypoxemia, meat bad colour and ask
Topic.
To achieve the above object, preservation device proposed by the present invention includes housing, oxygen-enriched component, air pump and reset group
Part, the housing forms the receiving space of closing, and the air pump is located at the housing side for by the oxygen-enriched component
The oxygen-enriched air of generation is pumped in the receiving space, and the reset assembly is located at the opposite side of the housing, the reset
Component is used to the air discharge in housing when gas pressure is more than preset pressure value in the housing.
Preferably, the housing is provided with to install the mounting hole of reset assembly, and the reset assembly includes sliding panel, bullet
Property part and accepting groove, the accepting groove are installed on the mounting hole, and bottom land one end of the accepting groove is protruded from outside the housing,
And steam vent is provided with the side wall of the accepting groove at the position at adjacent grooves bottom, the sliding panel and elastic component are contained in the receipts
In tank, described elastic component one end connects the sliding panel and the other end connects the bottom land of the accepting groove, the elastic component
The motion that compression is used to drive sliding panel is discharged with by air in the housing from the steam vent.
Preferably, the oxygen-enriched component includes oxygen permeable membrane and is used to fix the fixture of oxygen permeable membrane, and the oxygen permeable membrane is fixed
In the side back to housing of fixture, what the side in face of housing of the fixture was provided with to connect air pump first leads to
Hole.
Preferably, the side in face of fixture of the air pump is provided with the second through hole connected with the first through hole,
The side in face of housing of the air pump is provided with and is used to for the oxygen-enriched air in the air pump to be pumped to the receiving space
Interior third through-hole.
Preferably, drawer of the housing including shell and the receiving space that closing is cooperatively formed with shell, described
Air pump is installed on the outside of the shell, and the side in face of the air pump of the shell is provided with fourth hole, and described
Fourth hole is connected with the third through-hole, and the side in face of the fourth hole of the drawer is provided with and the fourth hole
The fifth hole of connection.
Preferably, the mounting hole site is on the opening of the drawer.
Preferably, the reset assembly is respectively arranged on the opposite sides of the housing with the oxygen-enriched component.
The present invention also proposes a kind of refrigerator, and the refrigerator includes refrigerating chamber and preservation device as described above, described fresh-keeping
Device is in the refrigerating chamber.
The present invention also proposes a kind of preservation method, and the preservation method is applied to preservation device as described above or is applied to
Refrigerator as described above, the preservation method is comprised the following steps：
Air pump is operated, so that the oxygen-enriched air of oxygen-enriched component enrichment enters in housing；
Judge that whether gas pressure is more than preset pressure value in housing；
If gas pressure is more than preset pressure value in housing, reset assembly is operated, with gas pressure in adjustment housings extremely
Less than preset pressure value.
Preferably, the preservation method also includes：
Judge that whether oxygen concentration is more than or equal to default oxygen density value in housing；
If oxygen concentration is more than or equal to default oxygen density value in housing, air pump shuts down.
In technical solution of the present invention, preservation device carries out oxygen concentration by oxygen-enriched component, and will be enriched with by air pump
Oxygen-enriched air afterwards is pumped into housing, is also allowed for air in housing and is maintained at a kind of high pressure conditions, and then when housing memory storage
During meat, the air of high pressure conditions more can guarantee that meat color does not change；In addition, the setting of reset assembly, can be used to
Air in housing is discharged when gas pressure is more than preset pressure value in housing, prevents air in housing to be constantly in high pressure shape
State and the food spoilage that causes, it is ensured that the circulation of air in housing, it is ensured that fresh-keeping effect.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the fractionation structural representation of the embodiment of preservation device of the present invention；
Fig. 2 is the front view of preservation device in Fig. 1；
Fig. 3 is the sectional view of A-A in Fig. 2；
Fig. 4 is the enlarged drawing of B in Fig. 3；
Fig. 5 is the sectional view of C-C in Fig. 2；
Fig. 6 is the schematic flow sheet of preservation method first embodiment of the present invention；
Fig. 7 is the schematic flow sheet of preservation method second embodiment of the present invention.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 10 | Housing | 20 | Oxygen-enriched component |
| 30 | Air pump | 40 | Reset assembly |
| 50 | Receiving space | 11 | Shell |
| 12 | Drawer | 111 | Mounting hole |
| 112 | Fourth hole | 21 | Oxygen permeable membrane |
| 22 | Fixture | 221 | First through hole |
| 32 | Third through-hole | 41 | Sliding panel |
| 42 | Elastic component | 43 | Accepting groove |
| 431 | Steam vent | 432 | Bottom land |
| 61 | Fixing shell |
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each part etc. are explained, if should
When particular pose changes, then directionality indicates also correspondingly to change therewith.
In addition, in the present invention such as relating to the description of " first ", " second " etc. be only used for describe purpose, and it is not intended that
Indicate or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In the description of the invention, " multiple " contains
Justice is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should be interpreted broadly,
For example, " fixation " can be fixedly connected, or be detachably connected, or integrally；Can be mechanically connect, or
Electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two connections or two of element internal
The interaction relationship of individual element, unless otherwise clearly restriction.For the ordinary skill in the art, can basis
Concrete condition understands above-mentioned term concrete meaning in the present invention.
In addition, the technical scheme between each embodiment of the invention can be combined with each other, but must be general with this area
Logical technical staff can be implemented as basis, when the combination appearance of technical scheme is conflicting or cannot realize it will be understood that this
The combination of technical scheme does not exist, not within the protection domain of application claims yet.
The present invention proposes a kind of preservation device.
Fig. 1 to Fig. 5 is refer to, in an embodiment of the present invention, the preservation device includes housing 10, oxygen-enriched component 20, sky
Air pump 30 and reset assembly 40, housing 10 form the receiving space 50 of closing, and air pump 30 is located at the side of housing 10 for inciting somebody to action
The oxygen-enriched air that oxygen-enriched component 20 is produced is pumped in receiving space 50, and reset assembly 40 resets located at the opposite side of housing 10
Component 40 is used to the air discharge in housing 10 when gas pressure is more than preset pressure value in housing 10.
In the technical scheme that the present invention is provided, preservation device carries out oxygen concentration, and then air pump by oxygen-enriched component 20
30 are pumped into housing 10 oxygen-enriched air after enrichment, also allow for air in receiving space 50 and are maintained at a kind of high pressure conditions,
And then when 10 memory storage meat of housing, the Main Function of oxygen makes maintenance oxymyoglobin, make yellowish pink bright-coloured, thus high pressure
The air of state more can guarantee that meat color does not change, and keep the freshness of meat color and luster.In addition, preservation device also sets
There is reset assembly 40, reset assembly 40 can be used to air in housing 10 be arranged when gas pressure is more than preset value in housing 10
Go out, and then the food spoilage that air is constantly in high pressure conditions and causes in housing 10 can be prevented, it is ensured that air in housing
Circulation, it is ensured that fresh-keeping effect, is satisfied with demand of the user to food fresh keeping.
Referring in particular to Fig. 4, housing 10 is provided with to install the mounting hole 111 of reset assembly 40, and reset assembly 40 includes
Sliding panel 41, elastic component 42 and accepting groove 43, accepting groove 43 are installed on mounting hole 111, the one end of bottom land 432 protrusion of accepting groove 43
In being provided with steam vent 431, sliding panel 41 and elasticity outside housing 10, and at the position at the adjacent grooves bottom 432 of the side wall of accepting groove 43
Part 42 is contained in accepting groove 43, and the one end of the elastic component 42 connection sliding panel 41, the other end connects the bottom land of accepting groove 43
432, the motion that the compression of elastic component 42 is used to drive sliding panel 41 is discharged with by air in housing 10 from steam vent 431.Wherein,
Elastic component 42 can be spring or rubber column etc., and in the present embodiment, elastic component 42 is preferably spring.
Accepting groove 43 is fixed on mounting hole 111, for example, can be that the side wall of accepting groove 43 and the hole wall of mounting hole 111 pass through
Screw is fixed, that is to say, that accepting groove 43 will not be moved.It is to be appreciated that when the coefficient of elasticity of elastic component 42 is certain
In the case of, the length positive correlation of pressure and elastic component 42 that elastic component 42 can bear.In the present embodiment, by setting elastic component 42
Length, the pressure value that can have been born when also having determined that 42 non-compressed state of elastic component, i.e. preset pressure value, when default more than this
Pressure value, then elastic component 42 start compression.Therefore, when the gas pressure in housing 10 is more than preset pressure value, in housing 10
Side gas acts on sliding panel 41, and extrudes sliding panel 41 so that be installed on sliding panel 41 back to the side of receiving space 50
Elastic component 42 compresses, and then drive sliding panel 41 moves to the steam vent 431 and passes through to the direction for being close to the bottom land 432 of accepting groove 43
Logical receiving space 50 and the outer space of housing 10, and then air in housing 10 can discharge from steam vent 431, prevent housing 10 from receiving
The food spoilage held the gas pressure in space 50 too high and cause.And work as the gas pressure in housing 10 less than preset pressure value
When, then elastic component 42 recoils to original collapsing length, so as to seal receiving space 50.The setting of reset assembly 40, can be preferably
Ensure the concentration of oxygen-enriched air in housing 10, it is ensured that the safety of housing 10.
Refer to Fig. 1, Fig. 3 and Fig. 5 further, oxygen-enriched component 20 includes oxygen permeable membrane 21 and is used to fix oxygen permeable membrane 21
Fixture 22, oxygen permeable membrane 21 is fixed on the side back to housing 10 of fixture 22, the side in face of housing 10 of fixture 22
It is provided with to connect the first through hole 221 of air pump 30.In the present embodiment, oxygen permeable membrane 21 is doughnut oxygen permeable membrane, with air
Be raw material, air permeable oxygen permeable membrane 21 made under certain pressure effect, due to oxygen permeable membrane 21 to the selectivity of oxygen and nitrogen not
Together, the transmission rates of oxygen are more than the transmission rates of nitrogen, thus oxygen permeable membrane 21 can be collected into oxygen concentration oxygen-enriched sky higher
Gas.Fixture 22 is a box-like structure, and oxygen permeable membrane 21 is fixed on the side of fixture 22, and also allow for the interior injection of fixture 22 is
Oxygen concentration oxygen-enriched air higher, and oxygen-enriched air is pumped to by receiving space by the air pump 30 being connected with fixture 22
In 50, it is ensured that fresh-keeping effect of the high-concentration oxygen to food.
Further, the side in face of fixture 22 of air pump 30 is provided with the second through hole connected with first through hole 221
(not shown), the side in face of housing 10 of air pump 30 is provided with and is used to be pumped to air in air pump 30 in receiving space 50
Third through-hole 32.It should be noted that the second through hole is consistent with the aperture of first through hole 221, first through hole 221 and second is led to
Hole can be sealed by sealing ring, to prevent gas leakage, it is ensured that the oxygen-enriched air that oxygen-enriched component 20 is produced can be by the pump of air pump 30
Deliver in receiving space 50.Second through hole is respectively arranged on the opposite sides of air pump 30 with third through-hole 32.Preservation device is also wrapped
Include to fix the fixing shell 61 of air pump 30 and oxygen-enriched component 20, air pump 30 and oxygen-enriched component 20 are mounted on fixed outer
In shell 61, to better assure that the steadiness of air pump 30 and oxygen-enriched component 20, it is ensured that the normal of preservation device is used.
In the present embodiment, housing 10 includes shell 11 and the drawer of the receiving space 50 of closing is cooperatively formed with shell 11
12, oxygen-enriched component 20 is installed on the outside of shell 11, and the side in face of oxygen-enriched component 20 of shell 11 is provided with fourth hole 112, and
Fourth hole 112 is connected with third through-hole 32, and the side in face of fourth hole 112 of drawer 12 is provided with and connects with fourth hole 112
Logical fifth hole (not shown).It is to be appreciated that drawer 12 is used to place the food of fresh-keeping storage, user friendly operation.
Third through-hole 32 is consistent with the aperture of fourth hole 112, and third through-hole 32 can be carried out by sealing ring with fourth hole 112 it is close
Envelope, to ensure that the oxygen-enriched air that oxygen-enriched component 20 is produced can be pumped in drawer 12 by air pump 30.Located at the 5th of drawer 12 the
The aperture of through hole is more than or equal to the aperture of fourth hole 112, and drawer 12 is close to shell 11 and is set, to ensure oxygen-enriched air energy
Circulate in drawer 12, it is ensured that to the fresh-keeping effect of food in drawer 12.
Referring once again to Fig. 1, mounting hole 111 is located on the opening of drawer 12.That is, reset assembly 40 is installed on
The side of shell 11, without carrying out bore process in drawer 12 again, saves technological process, also more can guarantee that the fortune of reset assembly 40
Make.
In a kind of preferred embodiment of the present embodiment, reset assembly 40 is respectively arranged on the housing 10 with oxygen-enriched component 20
Opposite sides, because of the setting of drawer 12, the side of user's stretching drawer 12 is front side, then reset assembly 40 with described oxygen-enriched group
Part 20 is respectively arranged on the left side and right side of housing 10, in the case of without prejudice to user's use so that the layout of preservation device is more
Adduction is managed.
The present invention also proposes a kind of refrigerator, and refrigerator includes refrigerating chamber and the preservation device as described in power is upper, and preservation device sets
In in refrigerating chamber.Concrete structure reference above-described embodiment of the preservation device, because this refrigerator employs above-mentioned all embodiments
Whole technical schemes, therefore all beneficial effects brought of technical scheme at least with above-described embodiment, herein no longer
Repeat one by one.
The present invention also proposes a kind of preservation method, and the preservation method is applied to preservation device as described above or as above institute
The refrigerator stated；
Fig. 1 to Fig. 6 is refer to, in an embodiment of the present invention, the preservation method is comprised the following steps：
S10, air pump operating, so that the oxygen-enriched air of oxygen-enriched component enrichment enters in housing；
S20, judges that whether gas pressure is more than preset pressure value in housing；
S30, if gas pressure is more than preset pressure value, reset assembly operating, with gas pressure in adjustment housings in housing
Power is to less than preset pressure value.
It should be noted that when user uses preservation device, preservation device power initiation, air pump 30 is operated, and then
Air pump 30 is evacuated so that the air in the outside of oxygen-enriched component 20 is inhaled into oxygen-enriched component 20, and then by oxygen-enriched component
The enrichment of oxygen permeable membrane 21 in 20 so that the air entered in oxygen-enriched component 20 and in air pump 30 is oxygen-enriched air, by sky
The continuous operating of air pump 30, to ensure the oxygen concentration in housing 10.
It is to be appreciated that the continuous operating of air pump 30, can cause the gas pressure more and more higher in housing 10, also just make
Obtain the danger coefficient increase of preservation device.In an embodiment of the present embodiment, pressure sensing is provided with the housing 10
Device, and a preset pressure value is set, and then real-time monitoring is carried out to the gas pressure in housing 10, to judge gas in housing 10
Whether pressure is more than preset pressure value.If gas pressure is more than preset pressure value in housing 10, reset assembly 40 is operated, to adjust
Gas pressure is to less than preset pressure value in section housing 10, it is ensured that the safe handling of housing 10.
In the another embodiment of the present embodiment, reset assembly 40 includes sliding panel 41, elastic component 42 and accepting groove
43, accepting groove 43 is installed on mounting hole 111, and one end of bottom land 432 of accepting groove 43 is protruded from outside housing 10, and accepting groove 43 side
Steam vent 431 is provided with the position at the adjacent grooves bottom 432 of wall, sliding panel 41 and elastic component 42 are contained in accepting groove 43, described
The one end of elastic component 42 connects sliding panel 41, and the other end connects the bottom land 432 of accepting groove 43, and the compression of elastic component 42 is used to drive cunning
The motion of dynamic plate 41 is discharged with by air in housing 10 from steam vent 431.It is to be appreciated that when the coefficient of elasticity one of elastic component 42
In the case of fixed, the length positive correlation of pressure and elastic component 42 that elastic component 42 can bear.In the present embodiment, by setting elasticity
The length of part 42, the pressure value that can have been born when also having determined that 42 non-compressed state of elastic component, i.e. preset pressure value, when more than this
Preset pressure value, then elastic component 42 start compression.Therefore, when the gas pressure in housing 10 is more than preset pressure value, housing
10 inner side gases act on sliding panel 41, and extrude sliding panel 41 so that be installed on sliding panel 41 back to receiving space 50 1
The elastic component 42 of side compresses, and then drives sliding panel 41 to move to the steam vent near the direction of the bottom land 432 of accepting groove 43
431 insertion receiving spaces 50 and the outer space of housing 10, and then air in housing 10 can discharge from steam vent 431, prevent shell
The food spoilage that gas pressure in the receiving space 50 of body 10 is too high and causes.And work as the gas pressure in housing 10 less than default
During pressure value, then elastic component 42 recoils to original collapsing length, so as to seal receiving space 50.The setting of reset assembly 40, energy
Better ensure that the concentration of oxygen-enriched air in housing 10, it is ensured that the safety of housing 10.
Further, Fig. 1 to Fig. 5 and Fig. 7 is refer to, based on above-described embodiment, in the present embodiment, the preservation method bag
Include following steps：
S10, air pump operating, so that the oxygen-enriched air of oxygen-enriched component enrichment enters in housing；
S20, judges that whether gas pressure is more than preset pressure value in housing；
S30, if gas pressure is more than preset pressure value, reset assembly operating, with gas pressure in adjustment housings in housing
Power is to less than preset pressure value；
S40, judges that whether oxygen concentration is more than or equal to default oxygen density value in housing；
S50, if oxygen concentration is more than or equal to default oxygen density value in housing, air pump shuts down.
It should be noted that in controlled atmosphere, oxygen can suppress the growth of anaerobic bacteria, but oxygen content is excessive
For the growth and breeding of various aerobic harmful bacterias create good environment, and the oxidation of unrighted acid can be promoted, so that
Accelerate the corruption of food.Meat products it is fresh-keeping in, the effect of oxygen is mainly maintenance oxymyoglobin, makes yellowish pink bright-coloured.
Formation of the size of partial pressure of oxygen to myoglobins in muscle has a major impact in controlled atmosphere.Partial pressure of oxygen is more than 8~9.33kPa
When, the oxymyoglobin of generation is more；When oxygen partial pressure is more than 32kPa, oxygen closes flesh in can largely promoting muscle
The generation of Lactoferrin；Partial pressure of oxygen exists when being less than 0.19kPa in de-oxygenated myoglobin form；Oxygen partial pressure 0.53~
Exist in the form of metmyoglobin during 1.33kPa.Therefore, a certain amount of oxygen is filled with, the color and luster of meat products can be allowed to allow people
More it is easily accepted by.The requirement of color and luster is kept according to fresh meat, the mixed proportion of oxygen should be more than 30%.
Further, oxygen sensor is additionally provided with the housing 10, and is connected with air pump 30, oxygen sensor is used to
Oxygen concentration in real-time monitoring housing 10, an and default oxygen density value is set, whether to monitor in housing 10 oxygen concentration
More than default oxygen density value.When oxygen concentration is more than or equal to default oxygen density value in housing 10, then oxygen sensor is sent out
Send a stopping signal to air pump 30, air pump 30 to be shut down after the stopping signal is received, also just stop to oxygen-enriched group
Part 20 is evacuated, then oxygen-enriched component 20 does not carry out oxygen-enriched work now, to prevent the oxygen concentration in housing 10 too high.
In a kind of preferred embodiment of the present embodiment, the default oxygen density value is 40%, namely when housing 10
When interior oxygen concentration is more than 40%, air pump 30 shuts down, then now will not again be pumped into oxygen-enriched air in housing 10, prevents shell
Oxygen concentration is too high and promote the growth of aerobic bacteria in body 10, and simultaneously greater than 30% oxygen concentration also ensures that the color of meat
Pool is fresher, meets the fresh-keeping demand of user.
Need explanatorily, when oxygen concentration is less than default oxygen density value in housing 10, then the continuous running of air pump 30, directly
Oxygen concentration reaches default oxygen density value in housing 10, it is ensured that fresh-keeping effect.
The preferred embodiments of the present invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every at this
Under the design of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/it is used in indirectly
The technical field of his correlation is included in scope of patent protection of the invention.
Claims (10)
1. a kind of preservation device, it is characterised in that including housing, oxygen-enriched component, air pump and reset assembly, the housing is formed
The receiving space of closing, the air pump is located at the housing side for the oxygen-enriched air pump for producing the oxygen-enriched component
Deliver in the receiving space, the reset assembly is located at the opposite side of the housing, the reset assembly is used to when the shell
Internal gas pressure discharges the air in housing when being more than preset pressure value.
2. preservation device as claimed in claim 1, it is characterised in that the housing is provided with to install the installation of reset assembly
Hole, the reset assembly includes sliding panel, elastic component and accepting groove, and the accepting groove is installed on the mounting hole, the collecting
Bottom land one end of groove is protruded from outside the housing, and is provided with steam vent at the position at adjacent grooves bottom on the side wall of the accepting groove,
The sliding panel and elastic component are contained in the accepting groove, and described elastic component one end connects the sliding panel and the other end is connected
The bottom land of the accepting groove, the compression of the elastic component be used to drive the motion of sliding panel with by air in the housing from described
Steam vent is discharged.
3. preservation device as claimed in claim 1 or 2, it is characterised in that the oxygen-enriched component includes oxygen permeable membrane and is used to solid
Determine the fixture of oxygen permeable membrane, the oxygen permeable membrane is fixed on the side back to housing of fixture, the fixture in face of housing
Side be provided with to connect the first through hole of air pump.
4. preservation device as claimed in claim 3, it is characterised in that the side in face of fixture of the air pump be provided with
Second through hole of the first through hole connection, the side in face of housing of the air pump is provided with and is used in the air pump
Oxygen-enriched air is pumped to the third through-hole in the receiving space.
5. preservation device as claimed in claim 4, it is characterised in that the housing includes shell and cooperatively forms envelope with shell
The drawer of the receiving space for closing, the air pump is installed on the outside of the shell, the shell in face of the air
The side of pump is provided with fourth hole, and the fourth hole is connected with the third through-hole, the drawer in face of the described 4th
The side of through hole is provided with the fifth hole connected with the fourth hole.
6. preservation device as claimed in claim 5, it is characterised in that the mounting hole site is on the opening of the drawer.
7. preservation device as claimed in claim 1 or 2, it is characterised in that the reset assembly and the oxygen-enriched component difference
Located at the opposite sides of the housing.
8. a kind of refrigerator, it is characterised in that the preservation device including refrigerating chamber and as any one of claim 1-7, institute
Preservation device is stated to be located in the refrigerating chamber.
9. a kind of preservation method, it is characterised in that the preservation method is applied to the guarantor as any one of claim 1-7
Fresh device is applied to refrigerator as described in claim 8, and the preservation method is comprised the following steps：
Air pump is operated, so that the oxygen-enriched air of oxygen-enriched component enrichment enters in housing；
Judge that whether gas pressure is more than preset pressure value in housing；
If gas pressure is more than preset pressure value, reset assembly operating, with gas pressure in adjustment housings to being less than in housing
Preset pressure value.
10. preservation method as claimed in claim 9, it is characterised in that the preservation method also includes：
Judge that whether oxygen concentration is more than or equal to default oxygen density value in housing；
If oxygen concentration is more than or equal to default oxygen density value in housing, air pump shuts down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710169832.XA CN106918192A (en) | 2017-03-21 | 2017-03-21 | Preservation device, refrigerator and preservation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710169832.XA CN106918192A (en) | 2017-03-21 | 2017-03-21 | Preservation device, refrigerator and preservation method |
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| CN106918192A true CN106918192A (en) | 2017-07-04 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710169832.XA Pending CN106918192A (en) | 2017-03-21 | 2017-03-21 | Preservation device, refrigerator and preservation method |
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| CN (1) | CN106918192A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110968133A (en) * | 2018-09-30 | 2020-04-07 | 佛山市顺德区美的电热电器制造有限公司 | Cooking appliance control method and device and cooking appliance |
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