CN103575050A - Nitrogen freshness preservation drawer - Google Patents
Nitrogen freshness preservation drawer Download PDFInfo
- Publication number
- CN103575050A CN103575050A CN201310569062.XA CN201310569062A CN103575050A CN 103575050 A CN103575050 A CN 103575050A CN 201310569062 A CN201310569062 A CN 201310569062A CN 103575050 A CN103575050 A CN 103575050A
- Authority
- CN
- China
- Prior art keywords
- drawer
- cavity
- nitrogen
- air
- cover
- 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.)
- Pending
Links
Images
Classifications
-
- 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
Abstract
The invention relates to the field of domestic refrigeration equipment, in particular to a nitrogen freshness preservation drawer used in the inside of a freezer. The nitrogen freshness preservation drawer comprises a drawer cavity, a drawer cover part, an air inlet, an air extraction opening and an air extractor, wherein the air inlet and the air extraction opening are formed in the drawer cavity. The air extraction end of the air extractor is connected with an air extraction opening pipeline, an air separating device is arranged on the drawer cavity, the air feeding end of the air separating device is connected with an air inlet pipeline, and the air inlet end of the air separating device is connected with an air outlet end pipeline of the air extractor. A pressure release part is arranged on the drawer cover part, and a locking component is arranged between the drawer cavity and the drawer cover part. According to the nitrogen freshness preservation drawer, the drawer cavity can be independently formed in the freezer, the original structure of the freezer is basically not affected, the structure is simple through a nitrogen separating mode, a pressure release mode and a locking mode, and using is convenient.
Description
Technical field
The present invention relates to domestic refrigerating appts field, particularly a kind of nitrogen preservation drawer for refrigerator-freezer inside.
Background technology
Nitrogen preservation belongs to controlled atmosphere technology category, can be by gas component ratio, temperature, humidity, air pressure in artificial adjusting, control casing (or storehouse body), delay to greatest extent metabolism, the After-ripening (comprising corresponding chemical reaction) of food, thereby keep food quality, color and luster, mouthfeel substantially constant, reach the fresh effect of long-term maintenance.Nitrogen preservation technology is to utilize N2 for inert gas, general not with the characteristic of food generation chemical action, reach the effect that extends the food fresh keeping phase.
Application number is the refrigerator-freezer preservation structure that 200420047891.8 patent of invention relates to a kind of improvement, it is to install and be provided with a gas separation membrane device in refrigerator-freezer, this gas separation membrane device is to have polymer matrix, this gas separation membrane device is also connected with a pump and a delivery pipe, make the inner oxygen composition producing through this gas separation membrane device of refrigerator-freezer, via delivery pipe, be forced to discharge outside refrigerator-freezer.By installing and be provided with gas separation membrane device in refrigerator-freezer, the inner oxygen of refrigerator-freezer and nitrogen separation relief oxygen are discharged outside refrigerator-freezer, nitrogen composition in refrigerator-freezer is increased, reach refrigerator-freezer filling inert gas, make refrigerator-freezer except having good preservation food function, also having nitrogen increases function, and the quality of better preservation food can be effectively provided.
Application number is that the fresh-keeping gas circulation that 201210411582.3 patent relates to a kind of fresh-keeping refrigerator-freezer is utilized method.Fresh-keeping refrigerator-freezer comprises some for storing the material storage room that needs fresh-keeping foodstuff, the nitrogen oxygen segregation apparatus of fresh-keeping gas is provided for Xiang Gai material storage room, the vavuum pump being communicated with this nitrogen oxygen segregation apparatus gas outlet, open vavuum pump, this material storage room contains foul smell, the oxygen rich gas of organic gas enters this foul smell and organic gas release unit through gas delivery device, through dehumidifying, depart from after foul smell and organic gas, the compressed nitrogen oxygen segregation apparatus that is pumped into again, the fresh-keeping gas of rich nitrogen after nitrogen oxygen segregation apparatus separation enters in material storage room through gas delivery device, make food in material storage room in rich nitrogen preservation environment.The present invention has prolongation fresh keeping time, improves preservation quality, reduces energy resource consumption, reduces the advantages such as cross pollution of food.
Application number is that 200610032834.6 patent discloses a kind of refrigerator-freezer with nitrogen fresh-keeping function processed, refrigerator-freezer, it is characterized in that: refrigerator-freezer, the refrigerator-freezer of described band nitrogen fresh-keeping function processed set up miniature PSA (pressure-variable adsorption) nitrogen making machine.Adopt carbon molecular sieve this characteristic of difference to oxygen and nitrogen adsorbance, by MCU (microprocessor) or PLC (logic control circuit), automatically control pressurization absorption, the cyclic process that normal pressure is resolved, the required highly purified nitrogen of enrichment, and can be according to different requirements, pass through refrigerator-freezer, control panel setting on refrigerator-freezer is also controlled the duty of nitrogen making machine and indoor nitrogen gas concn, there is general refrigerator-freezer, outside the powerful cold storage function of refrigerator-freezer, can utilize nitrogen preservation food again, especially dredge dish, fruits, practical and convenient, allow user eat and obtain fresh food, it is family, food business shop, the ideal product of the food fresh-keeping such as catering trade and place of public amusement.
Above patent is all the nitrogen preservation functions that propose for whole refrigerator-freezer, for refrigerator-freezer integral body, realize nitrogen preservation function, there is following shortcoming: 1) seal cannot guarantee completely, because the essence of nitrogen preservation technology is to improve nitrogen component concentration, reduce the controlled atmosphere technology of the concentration of component such as oxygen, carbon dioxide, ethene, if cannot guarantee container seal, ambient atmos can continuous and internal tank gas exchange.And airtight only to rely on the magnet of refrigerator-freezer door seal be not all right (can only be relatively airtight), and chamber all can be provided for osculum (for discharging defrosting water) between refrigerator-freezer, these pipelines are external environment connects, so, cannot fundamentally guarantee nitrogen preservation effect; 2) cost increase is more, need to increase the devices such as relatively large gas fractionation unit, pump; 3) do not consider the problem of inside and outside differential pressure, because gas is after separated or exchange, can cause the pressure of box house to be not equal to normal pressure, therefore, open freezer door and need to consider pressure balanced problem; 4) user is used and to be affected greatly, realize nitrogen preservation and need to start aspiration pump refrigerator-freezer is bled, because tank-volumes is larger, the required time of bleeding is longer, so can make energy consumption, the noise of refrigerator-freezer become large.
Summary of the invention
The present invention is intended to not change in the situation of existing refrigerator-freezer basic structure, and a kind of effective raising preservativity, simple in structure, easy-to-use, lower-cost nitrogen preservation drawer are provided, and increases refrigerator-freezer function attraction.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of nitrogen preservation drawer, comprise drawer cavity, drawer cover, be arranged on air inlet and the bleeding point of drawer cavity, and air extractor, the end of bleeding of described air extractor is connected with described bleeding point pipeline, on drawer cavity, be provided with gas fractionation unit, the aspirating end of described gas fractionation unit is connected with described air inlet duct, the air inlet end of gas fractionation unit is connected with the outlet side pipeline of air extractor, on drawer cavity, gas fractionation unit is set, and gas fractionation unit is coordinated with air extractor be integrally arranged on drawer cavity, so structure is simpler, on described drawer cover, be provided with pressure release parts, recovery pressure balance before opening drawer cavity, so structure is simple and easy to use more, between drawer cavity and drawer cover, be provided with latch assembly, can guarantee that drawer cover is locked on drawer cavity, simply and effectively strengthen the sealing effectiveness of preservation drawer inside.
Preferably, be also provided with escape pipe on gas fractionation unit, the transmitances such as oxygen faster gas are discharged by the escape pipe of gas fractionation unit.
Preferably, described bleeding point is in vertical direction lower than the height of described air inlet, because nitrogen is slightly lighter than air, bleeding point is in vertical direction lower than the height of described air inlet, so that enter the nitrogen of drawer cavity, can rest on upper strata, the air of lower floor can continue to discharge by bleeding point, and so setting is more conducive to guarantee that nitrogen in drawer cavity is in higher content.
Further, the drawer housing that described drawer cover comprises lid, be fixedly connected with lid, be arranged on lid outside catch base, be connected in the torsion spring of lid and catch base, so that catch base can and possess auto-reset function when opening.
Further, described pressure release parts comprise sealing-plug, sealing-plug holder and relief hole, described relief hole is opened on drawer cover and is communicated with described drawer cavity inner chamber, described sealing-plug holder be fixed on drawer cover, described sealing-plug one end is connected in sealing-plug holder, and the other end coordinates corresponding described relief hole.
When drawer cover is opened, sealing-plug leaves relief hole, so that outside air can enter in drawer cavity, recovers the air pressure balance in cavity, makes user can open easily drawer cover.
Further, described latch assembly comprises controll block, be connected in the control lever of controll block, be connected in the locating wheel of control lever end, and the mount pad that is fixed on drawer cover one side, described control lever is installed in rotation on mount pad by screw, one side of the corresponding latch assembly of described drawer cavity is provided with lock fixed seat, and described lock fixed seat coordinates the described locating wheel of locking.When controll block moves toward lower position, control lever drives locating wheel to move toward top, until location wheel clamp is combined in lock fixed seat, so that drawer cover and drawer cavity tight closure, otherwise, when controll block moves toward top position, can make control lever drive locating wheel to move down and leave lock fixed seat, to the release of drawer cover.
Alternatively, described drawer cover offers guide groove in the position of corresponding lock control bar, and guide groove can allow control lever move up and down and limit the moving range of control lever.
Preferably, between described drawer cover and drawer cavity, be provided with sealing ring, sealing ring is for strengthening the sealing of preservation drawer.
Further, described gas fractionation unit inside is provided with can collect nitrogen macromolecule membrane, utilize macromolecule gas membrane Seperation Technology to carry out separation to airborne gas component, film is natural or artificial synthetic macromolecule membrane, the characteristic some gas component to selectively penetrating and diffusion, can reach the object of gas separation (conventionally, some gases such as the fast steam of permeability, oxygen first see through film, become oxygen rich gas, permeate slower nitrogen and be detained enrichment, become nitrogen-rich gas).
Alternatively, one side of described drawer cover and drawer cavity is provided with door hinge parts, described door hinge parts comprise bracing frame, door strand, support frame as described above connects a side of described drawer cavity, described door strand connects bracing frame and drawer cover, and drawer cover can rotate and open and close drawer cavity around door hinge parts.
Alternatively, in a side of described drawer cavity, be provided with mounting platform, described gas fractionation unit and air extractor are fixed on described mounting platform, and described gas fractionation unit is fixedly connected between described mounting platform and drawer cavity by fixed block.
Alternatively, it is characterized in that, position near drawer cover on described drawer cavity is provided with reinforcement iron, after starting air extractor, the gas flow gas fractionation unit of drawer inside cavity, due to gas fractionation unit by self centrifugation wherein a part of gas (oxygen, carbon dioxide etc.) separate, make the air pressure of drawer inside cavity lower than ambient pressure, form negative pressure, this negative pressure finally makes the flexural deformation of drawer cavity, strengthen iron and there is the non-deformability of strengthening drawer cavity, resist the distortion that this draught head causes, there is the function that prevents that drawer cavity from damaging because of flexural deformation.
Compared with prior art, the invention has the beneficial effects as follows: nitrogen preservation drawer is independently arranged, even if be arranged on refrigerator-freezer inside, the impact that the internal structure of original refrigerator-freezer is not had yet, in case, only need to increase a power supply terminal is connected with the parts of bleeding, power supply is provided, and refrigerator-freezer control panel increases a button (controlling to the parts power supply of bleeding) can be realized and controlling preservation drawer.On drawer cavity, gas fractionation unit is set, and gas fractionation unit is coordinated with air extractor be integrally arranged on drawer cavity, so structure is simpler, reduces production costs, and is easy to commercialization.Pressure release parts are set on drawer cover, recovery pressure balance before opening drawer cavity, so structure is simple and easy to use more, between drawer cavity and drawer cover, be provided with latch assembly, can guarantee that drawer cover is locked on drawer cavity, simply and effectively strengthens the sealing effectiveness of preservation drawer inside.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of nitrogen preservation drawer of the present invention front side.
Fig. 2 is the structural representation of a kind of nitrogen preservation drawer of the present invention rear side.
Fig. 3 is the internal structure schematic diagram of a kind of nitrogen preservation drawer of the present invention rear side.
Fig. 4 is the open mode schematic diagram of a kind of nitrogen preservation drawer of the present invention rear side.
The specific embodiment
Below in conjunction with the specific embodiment, the present invention is further illustrated.Wherein, accompanying drawing is only for exemplary illustration, expression be only schematic diagram, but not pictorial diagram can not be interpreted as the restriction to this patent; For embodiments of the invention are described better, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product; For a person skilled in the art, in accompanying drawing some known features and explanation thereof may to omit be understandable.
The corresponding same or analogous parts of same or analogous label in the accompanying drawing of the embodiment of the present invention; In description of the invention, it will be appreciated that, if have term " on ", the orientation of the indication such as D score, " left side ", " right side ", " vertically ", " level " or position relationship be for based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation, construct and operation, therefore the term of describing position relationship in accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent.
In addition, if having the terms such as " first ", " second " only for describing object, and indication or hint relative importance can not be interpreted as, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
As shown in Fig. 1 ~ 4, a kind of nitrogen preservation drawer, comprise drawer cavity 1, drawer cavity 1 is removably independently arranged on refrigerator-freezer (not shown in FIG.) inside, the impact that the internal structure of original refrigerator-freezer is not had yet, in cabinet, only need to increase a power supply terminal is connected with the parts of bleeding, power supply is provided, refrigerator-freezer control panel increases a button (controlling to the parts power supply of bleeding) can be realized and controlling preservation drawer, drawer cavity 1 rear side offers bleeding point 3 and air inlet 4, because nitrogen is slightly lighter than air, bleeding point 4 is in vertical direction lower than the height of described air inlet 3, so that enter the nitrogen of drawer cavity 1, can rest on upper strata, the air of lower floor can continue to discharge by bleeding point 3, so setting is more conducive to guarantee that nitrogen in drawer cavity 1 is in higher content, at drawer cavity 1 rear side, be also provided with air extractor 5 and gas fractionation unit 6, the end of bleeding of air extractor 5 is connected with described bleeding point 4 pipelines, the aspirating end of gas fractionation unit 6 is connected with described air inlet 3 pipelines, the air inlet end of gas fractionation unit 6 is connected with the outlet side pipeline of air extractor 5, on gas fractionation unit 6, be also provided with escape pipe 61, and, gas fractionation unit 6 inside are provided with can collect nitrogen macromolecule membrane (not shown in FIG.), utilize macromolecule gas membrane Seperation Technology to carry out separation to airborne gas component, film is natural or artificial synthetic macromolecule membrane, the characteristic some gas component to selectively penetrating and diffusion, can reach the object of gas separation (conventionally, the steam that permeability is fast, some gases such as oxygen first see through film, become oxygen rich gas, permeate slower nitrogen and be detained enrichment, become nitrogen-rich gas).The rear mounting platform 102 that is provided with at drawer cavity 1, gas fractionation unit 6 and air extractor 5 are fixed on described platform 102, in addition, described gas fractionation unit 6 is fixedly connected between mounting platform 102 and drawer cavity 1 by a fixed block 103, in addition, a side at drawer cavity 1 is provided with a lock fixed seat 11, and lock fixed seat 11 is one-body molded with drawer cavity 1.
Openend at drawer cavity 1 is connected with a drawer cover 2, one side of drawer cover 2 is hinged with a side of drawer cavity 1 by door hinge parts 9, door hinge parts 9 comprise bracing frame 91 and door strand 92, bracing frame 91 is fixedly mounted on a side of drawer cavity 1, door hinge 92 is arranged on bracing frame 91 and while connecting drawer cover 2, so that drawer cover 2 can rotate and open and close drawer cavity 1 around door hinge parts 9, in addition, between drawer cover 2 and drawer cavity 1, be provided with a sealing ring 101, sealing ring shape and size are similar with the opening of drawer cavity 1, sealing ring 101 is arranged on the rear side of drawer cover 2, so that after drawer cover 2 closes, can sealed drawer cavity 1 inside.Drawer cover 2 comprises lid 21, drawer housing 22, catch base 23, torsion spring 24, relief hole 25, the opening of the corresponding drawer cavity 1 of lid 21 rear sides, door hinge parts 9 are arranged on lid 21, drawer housing 22 is connected in lid 21 front sides, catch base 23 is arranged between drawer lid 21 and drawer housing 22, and be positioned at the medium position of drawer lid body 21, torsion spring 24 is installed and connected in catch base 23 bottoms, and be connected with drawer lid 21 simultaneously, make catch base 23 can and possess auto-reset function when opening, on lid 21, the position of corresponding catch base 23 offers described relief hole 25, relief hole 25 is communicated with drawer cavity 1 and outside air.At catch base 23 rear sides, one pressure release parts 7 are installed, pressure release parts 7 comprise sealing-plug 71, sealing-plug holder 72, sealing-plug holder 72 is fixedly connected with catch base 23 rear sides, and sealing-plug 71 one end are connected in sealing-plug holder 72, and the other end coordinates corresponding described relief hole 25, when catch base 23 is closed, sealing-plug 71 sealing relief holes 25, when catch base 23 is opened, sealing-plug 71 leaves relief hole 25, so that outside air can enter in drawer cavity 1, recover the air pressure balance in cavity.A side between drawer cavity 1 and drawer cover 2 is provided with a latch assembly 8, latch assembly 8 comprises controll block 81, control lever 82, locating wheel 83, mount pad 84, mount pad 84 is screwed a side that is connected to lid 21, the non-end position of control lever 82 is articulated with mount pad 84 inner sides, locating wheel 83 is connected in control lever 82 near one end of drawer cavity 1, a side at the corresponding latch assembly 8 of drawer cavity 1 is provided with a lock fixed seat 11, lock fixed seat 11 is one-body molded with drawer cavity 1, lock fixed seat 11 can coordinate and lock in place wheel 83, the drawer housing 22 of drawer cover 2 offers guide groove 100 in the position of corresponding control lever 82, control lever 82 passes the described controll block 81 of the rear connection of guide groove 100 away from one end of drawer cavity 1, controll block 81 can drive control lever 82 to move up and down around hinge, when controll block 81 moves toward lower position, control lever 82 drives locating wheel 83 to move toward top, until locating wheel 83 is fastened in lock fixed seat 11, so that drawer cover 2 and drawer cavity 1 tight closure, otherwise, when controll block 81 moves toward top position, can make control lever 82 drive locating wheel 83 to move down and leave lock fixed seat 11, to 2 releases of drawer cover.In addition, at drawer cavity 1 end face, near the position of drawer cover 2, be provided with and strengthen iron 12, strengthen iron 12 one-body molded with lock fixed seat 11 and drawer cavity 1, after starting air extractor 5, the gas flow gas fractionation unit 6 of drawer cavity 1 inside, due to gas fractionation unit 6 by self centrifugation wherein a part of gas (oxygen, carbon dioxide etc.) separate, make the air pressure of drawer cavity 1 inside lower than ambient pressure, form negative pressure, this negative pressure finally makes 1 flexural deformation of drawer cavity, strengthen iron 12 and there is the non-deformability of strengthening drawer cavity 1, resist the distortion that this draught head causes, there is the function that prevents that drawer cavity 1 from damaging because of flexural deformation.
When user uses the nitrogen preservation drawer of refrigerator-freezer, cover 2 first opens a drawer, and the locking member 8 of leaving behind, make drawer cavity 1 in air-tight state, then by pressing the button (not shown in FIG.) on refrigerator-freezer control panel, give air extractor 5 power supplies, start air extractor 5, air in drawer cavity 1 will enter air extractor 5 from bleeding point 4 by connecting pipe, by pipeline, deliver to gas fractionation unit 6 again, the transmitances such as oxygen faster gas are discharged by the escape pipe 61 of gas fractionation unit 6, nitrogen is by gas fractionation unit 6, via air inlet 3, enter into drawer cavity 1, so circulation repeatedly, nitrogen gas concn in drawer cavity 1 is improved constantly, air pressure in drawer cavity 1 reaches certain vacuum (0.5-0.7 atmospheric pressure) or the time of bleeding of air extractor 5 reaches the regular hour (no longer than 3 minutes, with 1.5 minutes-2 minutes, be advisable), air extractor 5 is automatically out of service.Because the gas of inner some component of drawer cavity 1 is drawn out of, cause drawer cavity 1 air pressure inside lower than external pressure, form negative pressure.When user need to take out the food in nitrogen preservation drawer, could be than being easier to open drawer cover 2 after need to doing pressure release and processing.Now, user can be by pulling out the middle catch base 23 of drawer cover 2, the relief hole 25 that drives sealing-plug 71 to depart from drawer cavitys 1, thus make extraneous air be back to rapidly drawer inside by relief hole 25, make cavity inside and outside air pressure balance.After air pressure balance, the catch base 23 unclamping, catch base 23 resets again due to the pretightning force of torsion spring 24, makes the sealing-plug 71 sealing relief holes 25 of pressure release parts 7.Now, then by the locking member 8 moving control lever 82 of drawstring upwards, and make locating wheel 83 leave lock fixed seat 11, and drawer cover 2 is opened, complete pressure release and release action.When user takes out after required food, the cover 2 that can open a drawer once again, and the locking member 8 of leaving behind, make drawer cavity 1 again in air-tight state.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description, exhaustive without also giving all embodiments here.All any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in the protection domain of the claims in the present invention.
Claims (12)
1. a nitrogen preservation drawer, comprise drawer cavity (1), drawer cover (2), be arranged on air inlet (3) and the bleeding point (4) of drawer cavity (1), and air extractor (5), the end of bleeding of described air extractor (5) is connected with described bleeding point (4) pipeline, it is characterized in that, on described drawer cavity (1), be provided with gas fractionation unit (6), the aspirating end of described gas fractionation unit (6) is connected with described air inlet (3) pipeline, the air inlet end of gas fractionation unit (6) is connected with the outlet side pipeline of air extractor (5), on described drawer cover (2), be provided with pressure release parts (7), between drawer cavity (1) and drawer cover (2), be connected with latch assembly (8).
2. a kind of nitrogen preservation drawer according to claim 1, is characterized in that, is also provided with escape pipe (61) on gas fractionation unit (6).
3. a kind of nitrogen preservation drawer according to claim 1, is characterized in that, described bleeding point (4) height is in vertical direction lower than described air inlet (3).
4. a kind of nitrogen preservation drawer according to claim 1, it is characterized in that, described drawer cover (2) comprises lid (21), the drawer housing (22) being fixedly connected with lid (21), be arranged on lid (21) outside catch base (23), be connected in the torsion spring (24) of lid (21) and catch base (23).
5. a kind of nitrogen preservation drawer according to claim 1, it is characterized in that, described pressure release parts (7) comprise sealing-plug (71), sealing-plug holder (72) and relief hole (25), described relief hole is opened in drawer cover (2) and goes up and be communicated with described drawer cavity (1) inner chamber, described sealing-plug holder (72) be fixed on drawer cover (2), described sealing-plug (71) one end is connected in sealing-plug holder (72), and the other end coordinates corresponding described relief hole (25).
6. a kind of nitrogen preservation drawer according to claim 1, it is characterized in that, described latch assembly (8) comprises controll block (81), be connected in the control lever (82) of controll block (81), be connected in the locating wheel (83) of control lever (82) end, and the mount pad (84) that is fixed on drawer cover (2) one sides, described control lever (82) is hinged on mount pad (84), one side of the corresponding latch assembly of described drawer cavity (1) (8) is provided with lock fixed seat (11), and described lock fixed seat (11) coordinates locking described locating wheel (83).
7. a kind of nitrogen preservation drawer according to claim 1, is characterized in that, between described drawer cover (2) and drawer cavity (1), is provided with sealing ring (101).
8. according to a kind of nitrogen preservation drawer described in claim 1 ~ 7 any one, it is characterized in that, described drawer housing (22) offers guide groove (100) in the position of corresponding control lever (82).
9. according to a kind of nitrogen preservation drawer described in claim 1 ~ 7 any one, it is characterized in that, described gas fractionation unit (6) inside is provided with can collect nitrogen macromolecule membrane.
10. according to a kind of nitrogen preservation drawer described in claim 1 ~ 7 any one, it is characterized in that, described drawer cover (2) is provided with door hinge parts (9) with a side of drawer cavity (1), described door hinge parts (9) comprise bracing frame (91), door strand (92), support frame as described above (91) connects a side of described drawer cavity (1), and described door strand (92) connects bracing frame (91) and drawer cover (2).
11. according to a kind of nitrogen preservation drawer described in claim 1 ~ 7 any one, it is characterized in that, a side at described drawer cavity (1) is provided with mounting platform (102), it is upper that described gas fractionation unit (6) and air extractor (5) are fixed on described mounting platform (102), and described gas fractionation unit (6) is fixedly connected between described mounting platform (102) and drawer cavity (1) by fixed block (103).
12. according to a kind of nitrogen preservation drawer described in claim 1 ~ 7 any one, it is characterized in that, the upper position near drawer cover (2) of described drawer cavity (1) is provided with strengthens iron (12).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310569062.XA CN103575050A (en) | 2013-11-15 | 2013-11-15 | Nitrogen freshness preservation drawer |
| PCT/CN2014/070149 WO2015070526A1 (en) | 2013-11-15 | 2014-01-06 | Nitrogen preservation drawer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310569062.XA CN103575050A (en) | 2013-11-15 | 2013-11-15 | Nitrogen freshness preservation drawer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103575050A true CN103575050A (en) | 2014-02-12 |
Family
ID=50047362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310569062.XA Pending CN103575050A (en) | 2013-11-15 | 2013-11-15 | Nitrogen freshness preservation drawer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103575050A (en) |
| WO (1) | WO2015070526A1 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697649A (en) * | 2013-12-24 | 2014-04-02 | 海信容声(广东)冰箱有限公司 | Refrigerator with variable temperature chamber having nitrogen fresh-keeping function |
| CN105674676A (en) * | 2015-12-29 | 2016-06-15 | 青岛海尔股份有限公司 | Fresh-keeping drawer and refrigerator using fresh-keeping drawer |
| WO2017113641A1 (en) * | 2015-12-29 | 2017-07-06 | 青岛海尔股份有限公司 | Method for controlling concentration of gas in crisper drawer |
| CN107062743A (en) * | 2016-12-02 | 2017-08-18 | 青岛海尔股份有限公司 | Refrigerating device |
| CN108731351A (en) * | 2018-07-06 | 2018-11-02 | 珠海格力电器股份有限公司 | Refrigerator |
| CN110398105A (en) * | 2019-08-01 | 2019-11-01 | 安徽冠东科技有限公司 | A kind of fruits and vegetables low pressure freshness preserving equipment of multiclass fruit and vegetable classification storage |
| CN111846631A (en) * | 2020-07-23 | 2020-10-30 | 合肥即理科技有限公司 | Oxygen-separating preservation device and preservation method thereof |
| WO2021063020A1 (en) * | 2019-09-30 | 2021-04-08 | 青岛海尔电冰箱有限公司 | Refrigerator drawer and refrigerator with same |
| CN113446800A (en) * | 2020-03-24 | 2021-09-28 | 合肥华凌股份有限公司 | Fresh-keeping device and refrigerator |
| WO2021223455A1 (en) * | 2020-05-08 | 2021-11-11 | 海信容声(广东)冰箱有限公司 | Refrigerator |
| CN115590019A (en) * | 2022-11-25 | 2023-01-13 | 齐齐哈尔医学院（Cn） | Preservation and storage equipment for tissue obtained after general surgery |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642914B (en) * | 2016-12-02 | 2023-11-21 | 海尔智家股份有限公司 | Refrigerating and freezing equipment |
| CN106989556B (en) * | 2017-03-07 | 2019-12-06 | 青岛海尔股份有限公司 | Refrigerating and freezing device and drawer assembly thereof |
| CN114061203A (en) * | 2020-07-31 | 2022-02-18 | 海信（山东）冰箱有限公司 | A kind of refrigerator |
| CN114073393B (en) * | 2020-08-19 | 2023-06-02 | 佛山市顺德区美的电热电器制造有限公司 | Cooking appliance, fresh-keeping control method thereof and computer readable storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH055585A (en) * | 1991-06-28 | 1993-01-14 | Sharp Corp | Freshness storage box |
| JPH0759511A (en) * | 1993-08-23 | 1995-03-07 | Matsushita Refrig Co Ltd | Storage cabinet |
| CN201220813Y (en) * | 2008-04-30 | 2009-04-15 | 合肥美菱股份有限公司 | Vacuum freshness retaining box |
| JP2009174725A (en) * | 2008-01-22 | 2009-08-06 | Hitachi Appliances Inc | Refrigerator |
| CN201443942U (en) * | 2009-05-06 | 2010-04-28 | 山东金泽尔工贸有限公司 | Nitrogen-padded adjustment fresh-keeping refrigerator |
| CN101949630A (en) * | 2010-09-27 | 2011-01-19 | 合肥美的荣事达电冰箱有限公司 | Refrigerator refreshing system and refrigerator with same |
-
2013
- 2013-11-15 CN CN201310569062.XA patent/CN103575050A/en active Pending
-
2014
- 2014-01-06 WO PCT/CN2014/070149 patent/WO2015070526A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH055585A (en) * | 1991-06-28 | 1993-01-14 | Sharp Corp | Freshness storage box |
| JPH0759511A (en) * | 1993-08-23 | 1995-03-07 | Matsushita Refrig Co Ltd | Storage cabinet |
| JP2009174725A (en) * | 2008-01-22 | 2009-08-06 | Hitachi Appliances Inc | Refrigerator |
| CN201220813Y (en) * | 2008-04-30 | 2009-04-15 | 合肥美菱股份有限公司 | Vacuum freshness retaining box |
| CN201443942U (en) * | 2009-05-06 | 2010-04-28 | 山东金泽尔工贸有限公司 | Nitrogen-padded adjustment fresh-keeping refrigerator |
| CN101949630A (en) * | 2010-09-27 | 2011-01-19 | 合肥美的荣事达电冰箱有限公司 | Refrigerator refreshing system and refrigerator with same |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697649A (en) * | 2013-12-24 | 2014-04-02 | 海信容声(广东)冰箱有限公司 | Refrigerator with variable temperature chamber having nitrogen fresh-keeping function |
| CN103697649B (en) * | 2013-12-24 | 2016-03-09 | 海信容声(广东)冰箱有限公司 | A kind of temperature-changing chamber has the refrigerator of nitrogen preservation function |
| CN105674676A (en) * | 2015-12-29 | 2016-06-15 | 青岛海尔股份有限公司 | Fresh-keeping drawer and refrigerator using fresh-keeping drawer |
| WO2017113809A1 (en) * | 2015-12-29 | 2017-07-06 | 青岛海尔股份有限公司 | Fresh drawer and refrigerator using same |
| WO2017113641A1 (en) * | 2015-12-29 | 2017-07-06 | 青岛海尔股份有限公司 | Method for controlling concentration of gas in crisper drawer |
| US10907893B2 (en) | 2015-12-29 | 2021-02-02 | Qingdao Haier Joint Stock Co., Ltd. | Fresh drawer and refrigerator using same |
| CN107062743A (en) * | 2016-12-02 | 2017-08-18 | 青岛海尔股份有限公司 | Refrigerating device |
| CN108731351A (en) * | 2018-07-06 | 2018-11-02 | 珠海格力电器股份有限公司 | Refrigerator |
| CN110398105A (en) * | 2019-08-01 | 2019-11-01 | 安徽冠东科技有限公司 | A kind of fruits and vegetables low pressure freshness preserving equipment of multiclass fruit and vegetable classification storage |
| WO2021063020A1 (en) * | 2019-09-30 | 2021-04-08 | 青岛海尔电冰箱有限公司 | Refrigerator drawer and refrigerator with same |
| CN113446800B (en) * | 2020-03-24 | 2022-05-31 | 合肥华凌股份有限公司 | Fresh-keeping device and refrigerator |
| CN113446800A (en) * | 2020-03-24 | 2021-09-28 | 合肥华凌股份有限公司 | Fresh-keeping device and refrigerator |
| WO2021223455A1 (en) * | 2020-05-08 | 2021-11-11 | 海信容声(广东)冰箱有限公司 | Refrigerator |
| CN111846631A (en) * | 2020-07-23 | 2020-10-30 | 合肥即理科技有限公司 | Oxygen-separating preservation device and preservation method thereof |
| CN115590019A (en) * | 2022-11-25 | 2023-01-13 | 齐齐哈尔医学院（Cn） | Preservation and storage equipment for tissue obtained after general surgery |
| CN115590019B (en) * | 2022-11-25 | 2023-03-17 | 齐齐哈尔医学院 | Equipment is deposited in tissue fresh-keeping of drawing materials after department of general surgery |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015070526A1 (en) | 2015-05-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103575050A (en) | Nitrogen freshness preservation drawer | |
| CN203550406U (en) | Nitrogen preservation drawer | |
| EP3550234B1 (en) | Storage device | |
| CN100582612C (en) | Refrigerator with vacuum fresh-keeping system and controlling method thereof | |
| CN105674676A (en) | Fresh-keeping drawer and refrigerator using fresh-keeping drawer | |
| CN204797156U (en) | Red wine cabinet of vacuum refreshing system is taken out in area | |
| CN201233145Y (en) | Air-adjusting refrigerator by employing nitrogen making device by using pressure swing adsorption process | |
| CN105444517A (en) | Control method for gas concentration in freshness-retaining drawer | |
| CN106705566A (en) | Fresh keeping control method and device of refrigerating equipment | |
| CN106091519A (en) | Refrigerator | |
| CN106693623A (en) | Air separation device and refrigerating and freezing device | |
| CN206362061U (en) | Refrigerating device | |
| CN106871542B (en) | Refrigerating device and its drawer appliance | |
| WO2018099470A1 (en) | Refrigerating and freezing device | |
| CN106524642A (en) | Refrigerating and freezing device | |
| CN107062752A (en) | Refrigerating device and its drawer appliance | |
| CN106979644B (en) | Refrigerating device and its drawer appliance | |
| CN206352919U (en) | Refrigerating equipment | |
| CN206362069U (en) | Refrigerator | |
| CN105509408A (en) | Pressure balancing mechanism and refrigerator using same | |
| CN206440052U (en) | Article-storage device | |
| CN206291590U (en) | Refrigerating device | |
| CN206362048U (en) | Refrigerator | |
| CN202675558U (en) | Self-locking and self-drooping air door structure | |
| CN214357857U (en) | Intelligent vacuum fresh-keeping machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140212 |