CN2608114Y - Plate type oxygen rich membrane component part - Google Patents
Plate type oxygen rich membrane component part Download PDFInfo
- Publication number
- CN2608114Y CN2608114Y CN 03243266 CN03243266U CN2608114Y CN 2608114 Y CN2608114 Y CN 2608114Y CN 03243266 CN03243266 CN 03243266 CN 03243266 U CN03243266 U CN 03243266U CN 2608114 Y CN2608114 Y CN 2608114Y
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Abstract
The utility model involves membrane separation technologies, especially for an oxygen-enriching membrane of special structure and can produce oxygen, which is formed by an upper flat plate and a lower flat plate of the same size, the oxygen-enriching membrane ia provided on the concave surface of the upper plate and lower plate; the upper plate and the lower plate overlap, a gas-collecting channel is formed after the via hole of the upper plate and the hole of one corner of the lower plate, and a gas outlet is provided on the gas-collecting channel; a sealing element is provided between the two holes; the hole groove and convexity lock joint one-to-one, plug is used to fasten the grooves and the joints in the hole; gas outlet is connected to vacuum pump. Grid plate can be fixed up between the upper plate and the lower plate, a oxygen-enriching membrane is provided on two concave surface of the grid plate, and a plurality of grid plates can be installed. The utility model uses gas membrane separation method, has the advantages that the device is low in cost, environmentally friendly, efficient and can meet multiple requirements.
Description
Technical field
The utility model relates to membrane separation technique, particularly a kind of oxygen-enriched membrane component with oxygen made of special construction.
Background technology:
Along with the raising of people, also more and more high to the functional requirement of household electrical appliance etc. to quality of life.General air-conditioning is mainly the room air circulation, after the time is long, and room air oxygen (O
2) concentration decline (about 17%), people can feel anoxic symptoms such as weak, dizziness.Released the oxygen enriched air conditioning device at present, promptly in cooling and warming, to indoor supplemental oxygen.There is the chemical legal system oxygen that adopts oxygen generator in the source of institute's oxygenating gas, and the membrane separation technique of employing separated oxygen from air is also arranged.
The utility model content
The purpose of this utility model provides a kind of assembly, adopts membrane separation technique, with the nitrogen (N in the atmosphere
2) and oxygen (O
2) separate, to satisfy multi-purpose needs in life and the production.
Another purpose of the present utility model provides a kind of assembly, and is simple in structure, energy-conservation, can produce the oxygen rich gas of different flow different oxygen concentrations.
For achieving the above object, technical solution of the present utility model provides a kind of flat oxygen-enriched membrane component, by one last slice and once sheet forms, be big or small identical tabular on it slice with following sheet;
At last plate inner surface concave surface is arranged, be densely covered with gas channel on the concave surface, last slice outer surface is smooth, and one jiao has one to connect mouth, and connecing the mouth both sides has two apertures, last slice four jiaos also have four apertures; The inner peripheral of aperture is fluted; Connecing mouth is hollow cylindrical, and there is the gas outlet termination, and through hole is arranged in it, and the inner peripheral of through hole is fluted, can an adaptive pad in the groove, and pad exposes through hole after snapping in the groove;
Following plate inner surface has concave surface, is densely covered with gas channel on the concave surface, and four jiaos of its inner faces and long side are provided with projection; On one jiao of projection of following sheet, with last slice connect the mouth opposite position, be provided with the hole, hole and through hole are overlapping, on both sides, hole and the four jiaos of projections, also also have aperture, all with last slice on aperture corresponding one by one overlapping; The aperture of following sheet, a side periphery is fluted, and the opposite side periphery has boss; The outer surface of following sheet is smooth, and a groove is arranged on the relative opening excircle, can an adaptive catch in the groove, after catch snaps in the groove, the hole sealing is covered;
Last slice and the concave surface of following sheet on oxygen permeable membrane is all arranged;
Last slice and following sheet stacked, last slice through hole is with after splicing mutually in the hole of one jiao of following sheet, the formation channel of gas collection; Between two holes seal is arranged; The groove of aperture and the corresponding one by one snapping of boss have pin to fix in the aperture;
Last slice connect mouth the gas outlet connect vavuum pump.
Described oxygen-enriched membrane component, it also comprises the grid sheet, the grid sheet be with last slice and the big or small identical tabular of following sheet;
All there is concave surface on grid sheet two sides, and the gas channel of the hole formation of perforation is arranged on the concave surface; Four jiaos of grid sheets and long side are provided with projection; On one jiao of projection of grid sheet, with last slice connect the mouth opposite position, be provided with the hole, hole and through hole are overlapping, and be also fluted on the side periphery in hole, also can an adaptive pad in the groove, pad exposes through hole after snapping in the groove; There are two apertures the both sides, hole, and two apertures that connect the mouth both sides with last slice are overlapping, on four jiaos of projections of grid sheet, also have four apertures, and also overlapping with last slice four apertures of four jiaos, a side periphery of aperture is fluted, and the opposite side periphery has boss; After the grid sheet is stacked, be refitted in slice and following sheet between, the hole that last slice through hole, grid sheet are a jiao forms channel of gas collection with after splicing mutually in the hole of one jiao of following sheet; Seal is arranged between the adjacent holes; The groove of aperture and the corresponding one by one snapping of boss have pin to fix in the aperture;
On the two sides concave surface of grid sheet oxygen permeable membrane is arranged all.
Described oxygen-enriched membrane component, its described gas channel are the chase of right-angled intersection.
Described oxygen-enriched membrane component, its described grid sheet can be a plurality of.
Described oxygen-enriched membrane component, the gas channel on its described grid sheet is the through hole of strip grid compartment.
Described oxygen-enriched membrane component, its described pad is rectangle, and on the short side of one a semi-circular indentation is arranged, and pad two long side edges have chimb, and the bar rib is arranged on the length direction center line; Chimb and bar rib can be adaptive affixed with groove discal patch ditch.
Described oxygen-enriched membrane component, its described catch is rectangle, and semicircle a protrusion arranged on the short side of one, and catch two long side edges have chimb, and the bar rib is arranged on the length direction center line; Chimb and bar rib can be adaptive affixed with groove discal patch ditch.
Projection on the described oxygen-enriched membrane component, its described grid sheet and following sheet is all contour, and supports with projection, the gap that all keeps equalization between making every; The gap communicates with channel of gas collection.
Described oxygen-enriched membrane component, its described oxygen permeable membrane adopt that bonding agent or Pressure sensitive adhesive tape are bonded at slice, the grid sheet, down on the sheet.
Described oxygen-enriched membrane component, its described last slice, the grid sheet, down sheet can be square, rectangle, irregular polygon, circle.
Described oxygen-enriched membrane component, its described last slice, grid sheet, the following available engineering plastics ABS sheet of sheet, PP (polypropylene), nylon 6, nylon-66, PBT, PET, HIPS make.
The utility model oxygen-enriched membrane component is simple in structure, and is energy-conservation, oxygen enrichment efficient height, and flow and oxygen concentration are adjustable.Be equipped with dissimilar flat oxygen-enriched membranes again, can produce the oxygen rich gas of different flow different oxygen concentrations, also produce different flow, different nitrogen (N simultaneously
2) nitrogen-rich gas of concentration content.
Be to adopt membrane separation technique on the utility model principle, with the nitrogen (N in the atmosphere
2) and oxygen (O
2) separate, oxygen rich air is blown into indoor, thereby reach by outdoor purpose to indoor supplemental oxygen.Adopt the gas film partition method, have that cost is low, an environmental protection, advantage efficiently, can satisfy multi-purpose requirement.
The utility model can produce oxygen rich gas, can be used for boiler etc. needs the equipment of burning, as automobile engine, gas fired-boiler, gas-cooker, gas heater etc., so that gasoline, diesel oil, natural gas, firepower are more abundant, burning up hill and dale, reduce exhaust gas discharging, improve efficiency of combustion, realize environmental protection simultaneously; Except that being used for above-mentioned field, also can be used for the place that needs produce nitrogen-rich gas, as be used for fruit, Vegetable Preservation such as refrigerator, refrigerator-freezer, atmosphere freezer, bunker cabinet.
Description of drawings
Fig. 1 is the structural representation of the utility model flat oxygen-enriched membrane component;
Wherein: Fig. 1 (a) is the front view of the utility model flat oxygen-enriched membrane component;
Fig. 1 (b) is the side view of the utility model flat oxygen-enriched membrane component;
Fig. 1 (c) is the A～A cutaway view of the utility model flat oxygen-enriched membrane component;
Fig. 2 is the structural representation of the utility model flat oxygen-enriched membrane last slice;
Wherein: Fig. 2 (a) is the inner surface schematic diagram of the utility model flat oxygen-enriched membrane last slice;
Fig. 2 (b) is the side view of the utility model flat oxygen-enriched membrane last slice;
Fig. 2 (c) is the A～A cutaway view of the utility model flat oxygen-enriched membrane last slice;
Fig. 2 (d) is the B～B cutaway view of the utility model flat oxygen-enriched membrane last slice;
Fig. 2 (e) is the D partial schematic diagram of the utility model flat oxygen-enriched membrane last slice;
Fig. 3 is the structural representation of the utility model flat oxygen-enriched membrane grid sheet;
Wherein: Fig. 3 (a) is the front view of the utility model flat oxygen-enriched membrane grid sheet;
Fig. 3 (b) is the side view of the utility model flat oxygen-enriched membrane grid sheet;
Fig. 3 (c) is the rearview of the utility model flat oxygen-enriched membrane grid sheet;
Fig. 3 (d) is the A～A cutaway view of the utility model flat oxygen-enriched membrane grid sheet;
Fig. 3 (e) is the B～B cutaway view of the utility model flat oxygen-enriched membrane grid sheet;
Fig. 4 is the structural representation of sheet under the utility model flat oxygen-enriched membrane;
Wherein: Fig. 4 (a) is the front view of sheet under the utility model flat oxygen-enriched membrane;
Fig. 4 (b) is the side view of sheet under the utility model flat oxygen-enriched membrane;
Fig. 4 (c) is the rearview of sheet under the utility model flat oxygen-enriched membrane;
Fig. 4 (d) is the A～A cutaway view of sheet under the utility model flat oxygen-enriched membrane;
Fig. 4 (e) is the C～C cutaway view of sheet under the utility model flat oxygen-enriched membrane;
Fig. 4 (f) is the D partial schematic diagram of sheet under the utility model flat oxygen-enriched membrane;
Fig. 5 is the pad schematic diagram of the utility model flat oxygen-enriched membrane component;
Fig. 6 is the catch schematic diagram of the utility model flat oxygen-enriched membrane component.
The specific embodiment
As shown in Figure 1, flat oxygen-enriched membrane component 100 of the present utility model by last slice 1, grid sheet 2 and following sheet 3 form, and last slice 1, grid sheet 2 all is the identical tabular of size with following sheet 3.
Referring to Fig. 2, Fig. 3, Fig. 4, concave surface 9 is arranged again, be densely covered with the chase shape gas channel 10 of right-angled intersection on the concave surface 9 at last 1 inner surface, last slice 1 outer surface is smooth, one jiao has one to connect mouth 5, and connecing suitable symmetry position, mouth 5 both sides has two apertures 12, last slice 1 four jiaos also have four apertures 12; The inner peripheral of aperture 12 fluted 13; Connect mouth 5 and be hollow cylindrical, there is gas outlet a the termination, through hole 6 is arranged in it, the inner peripheral of through hole 6 fluted 16, can an adaptive pad 17 (see figure 5)s in the groove 16, pad 17 is rectangle, and on the short side of one a semi-circular indentation 18 is arranged, 17 liang of long side edges of pad have chimb 19, and bar rib 20 is arranged on the length direction center line; After pad 17 snapped in the groove 16, chimb 19 and bar rib 20 can be adaptive affixed with groove 16 discal patch ditches, and semi-circular indentation 18 just matches with the periphery of through hole 6, and through hole 6 is exposed; Connect mouth 5 outer peripheral edges and can be circle, square, flat etc., can be provided with screw thread on the outer peripheral face of gas outlet a, fall eight grooves with connecting pipe.
All there is concave surface 9 on grid sheet 2 two sides, and the strip grid is arranged on the concave surface 9, are the gas channel 11 of the hole formation of perforation between grid; 2 four jiaos of grid sheets and long side are provided with projection 15; On one jiao of projection 15 of grid sheet 2, with last slice 1 connect mouth 5 opposite positions, be provided with hole 61, hole 61 is overlapping with through hole 6, and is also fluted 16 on the side periphery in hole 61, also can an adaptive pad 17 (see figure 5)s in the groove 16, pad 17 exposes through hole 6 after snapping in the groove 16; There are two apertures 12 suitable symmetry position, 61 both sides, hole, with last slice 1 to connect two apertures 12 of mouth 5 both sides overlapping, on 2 four jiaos of projections 15 of grid sheet, also have four apertures 12, also overlapping with last slice four apertures 12 of 1 four jiaos, a side periphery of aperture 12 is fluted 13, and the opposite side periphery has boss 14.
Following sheet 3 inner surfaces have concave surface 9, are densely covered with the chase shape gas channel 10 of right-angled intersection on the concave surface 9, and four jiaos of its inner faces and long side also are provided with projection 15; On one jiao of projection 15 of following sheet 3, with last slice 1 connect mouth 5 opposite positions, be provided with hole 62, hole 62 is overlapping with hole 61 and through hole 6, on the symmetry position that 62 both sides, hole are suitable and the four jiaos of projections 15, also aperture 12 in addition, all with last slice 1, aperture 12 on the grid sheet 2 is corresponding one by one overlapping; The aperture 12 of following sheet 3 also is that a side periphery is fluted 13, and the opposite side periphery has boss 14; The outer surface of following sheet 3 is smooth, and a groove 16 is arranged on relative opening 62 excircles, can an adaptive catch 21 (see figure 6)s in the groove 16, catch 21 is rectangle, one semicircle protrusion 22 is arranged on the short side of one, and 21 liang of long side edges of catch have chimb 19, and bar rib 20 is arranged on the length direction center line; After catch 21 snapped in the groove 16, chimb 19 and bar rib 20 can be adaptive affixed with groove 16 discal patch ditches, and semicircle protrusion 22 covers hole 62 sealings.
Last slice 1, all be pasted with oxygen permeable membrane 4 on the concave surface 9 of grid sheet 2 and following sheet 3, oxygen permeable membrane 4 can adopt that bonding agent or Pressure sensitive adhesive tape are bonded at slice 1, grid sheet 2, down on the sheet 3.
Last slice 1, appearance and size size, the shape of grid sheet 2 and following sheet 3 can regulate by the installation site, can be square, rectangle, irregular polygon, circle etc.
Last slice 1, the material of grid sheet 2 and following sheet 3 adopts the engineering plastics ABS injection mo(u)lding, also can adopt injection mo(u)ldings such as PP (polypropylene), nylon 6, nylon-66, PBT, PET, HIPS.
See Fig. 1, during assembling, such as getting last slice 1, grid sheet 2 and following sheet 3 each a slice, at last 1, put pad 17 well in the groove 16 of grid sheet 2, connect mouth 5 inboards at last 1, the following sheet 3 holes 62 inboard seals 7 of placing, with last slice 1 through hole 6 that connects mouth 5, the hole 61 of grid sheet 2, hole 62 alignment of following sheet 3, last slice 1, aperture 12 on grid sheet 2 and the following sheet 3 aligns all one by one, its groove 13 and boss 14 chucking that also matches one by one penetrates aperture 12 with elastic cylindrical pin 8 again and locks affixedly, and catch 21 is fastened in the groove 16, hole 62 seal covers are real, and flat oxygen-enriched membrane component 100 is promptly assembled and is finished.
Grid sheet 2 can have a plurality of, also shouldn't; During increase, need acquire seal 7 at the relative position in the hole 61 of grid sheet 2.
Because of the supporting role of projection 15, all keep impartial gap between every; And hole 62, hole 61 and through hole 6 constitute channel of gas collection, and channel of gas collection communicates with gap between every.
During work, take over the logical vavuum pump in road at last 1 a place, gas outlet that connects mouth 5, vavuum pump sucks the gap of air between every, through oxygen permeable membrane, the air tunicle separates and obtains oxygen enrichment or nitrogen-rich gas, after channel of gas collection, gas outlet a, pipeline suck, delivers to the predetermined area again.
The grid sheet is the flow size increase and decrease of gas as requested, minimum 0, reaches as high as 1000.
The present embodiment test result is: five chip modules, negative pressure (56.6kpa～-72.4kpa) under, oxygen (O
2) concentration: 25-40%
Flow is adjustable: 0.25l/min-300l/min (according to grid sheet in the oxygen-enriched membrane component how much regulate oxygen enrichment or nitrogen-rich gas flow).
Or:
Nitrogen (N
2) concentration: 75-99%
Flow is adjustable: 0.25l/min-300l/min (according to grid sheet in the oxygen-enriched membrane component how much regulate oxygen enrichment or nitrogen-rich gas flow).
Claims (11)
1, a kind of flat oxygen-enriched membrane component, by one last slice and once sheet forms, it is characterized in that, last slice be big or small identical tabular with following sheet;
At last plate inner surface concave surface is arranged, be densely covered with gas channel on the concave surface, last slice outer surface is smooth, and one jiao has one to connect mouth, and connecing the mouth both sides has two apertures, last slice four jiaos also have four apertures; The inner peripheral of aperture is fluted; Connecing mouth is hollow cylindrical, and there is the gas outlet termination, and through hole is arranged in it, and the inner peripheral of through hole is fluted, can an adaptive pad in the groove, and pad exposes through hole after snapping in the groove;
Following plate inner surface has concave surface, is densely covered with gas channel on the concave surface, and four jiaos of its inner faces and long side are provided with projection; On one jiao of projection of following sheet, with last slice connect the mouth opposite position, be provided with the hole, hole and through hole are overlapping, on both sides, hole and the four jiaos of projections, also also have aperture, all with last slice on aperture corresponding one by one overlapping; The aperture of following sheet, a side periphery is fluted, and the opposite side periphery has boss; The outer surface of following sheet is smooth, and a groove is arranged on the relative opening excircle, can an adaptive catch in the groove, after catch snaps in the groove, the hole sealing is covered;
Last slice and the concave surface of following sheet on oxygen permeable membrane is all arranged;
Last slice and following sheet stacked, last slice through hole is with after splicing mutually in the hole of one jiao of following sheet, the formation channel of gas collection; Between two holes seal is arranged; The groove of aperture and the corresponding one by one snapping of boss have pin to fix in the aperture;
Last slice connect mouth the gas outlet connect vavuum pump.
2, oxygen-enriched membrane component as claimed in claim 1 is characterized in that, also comprises the grid sheet, the grid sheet be with last slice and the big or small identical tabular of following sheet;
All there is concave surface on grid sheet two sides, and the gas channel of the hole formation of perforation is arranged on the concave surface; Four jiaos of grid sheets and long side are provided with projection; On one jiao of projection of grid sheet, with last slice connect the mouth opposite position, be provided with the hole, hole and through hole are overlapping, and be also fluted on the side periphery in hole, also can an adaptive pad in the groove, pad exposes through hole after snapping in the groove; There are two apertures the both sides, hole, and two apertures that connect the mouth both sides with last slice are overlapping, on four jiaos of projections of grid sheet, also have four apertures, and also overlapping with last slice four apertures of four jiaos, a side periphery of aperture is fluted, and the opposite side periphery has boss; After the grid sheet is stacked, be refitted in slice and following sheet between, the hole that last slice through hole, grid sheet are a jiao forms channel of gas collection with after splicing mutually in the hole of one jiao of following sheet; Seal is arranged between the adjacent holes; The groove of aperture and the corresponding one by one snapping of boss have pin to fix in the aperture;
On the two sides concave surface of grid sheet oxygen permeable membrane is arranged all.
3, oxygen-enriched membrane component as claimed in claim 1 is characterized in that, described gas channel is the chase of right-angled intersection.
4, oxygen-enriched membrane component as claimed in claim 2 is characterized in that, described grid sheet can be a plurality of.
5, oxygen-enriched membrane component as claimed in claim 2 is characterized in that, the gas channel on the described grid sheet is the through hole of strip grid compartment.
6, oxygen-enriched membrane component as claimed in claim 1 or 2 is characterized in that, described pad is rectangle, and on the short side of one a semi-circular indentation is arranged, and pad two long side edges have chimb, and the bar rib is arranged on the length direction center line; Chimb and bar rib can be adaptive affixed with groove discal patch ditch.
7, oxygen-enriched membrane component as claimed in claim 1 is characterized in that, described catch is rectangle, and semicircle a protrusion arranged on the short side of one, and catch two long side edges have chimb, and the bar rib is arranged on the length direction center line; Chimb and bar rib can be adaptive affixed with groove discal patch ditch.
8, oxygen-enriched membrane component as claimed in claim 1 or 2 is characterized in that, the projection on described grid sheet and the following sheet is all contour, and supports with projection, the gap that all keeps equalization between making every; The gap communicates with channel of gas collection.
9, oxygen-enriched membrane component as claimed in claim 1 or 2 is characterized in that, described oxygen permeable membrane adopts that bonding agent or Pressure sensitive adhesive tape are bonded at slice, the grid sheet, down on the sheet.
10, oxygen-enriched membrane component as claimed in claim 1 or 2 is characterized in that, described last slice, the grid sheet, down sheet can be square, rectangle, irregular polygon, circle.
11, oxygen-enriched membrane component as claimed in claim 1 or 2 is characterized in that, described last slice, grid sheet, the following available engineering plastics ABS of sheet, PP, nylon 6, nylon-66, PBT, PET, HZPS make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03243266 CN2608114Y (en) | 2003-04-10 | 2003-04-10 | Plate type oxygen rich membrane component part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03243266 CN2608114Y (en) | 2003-04-10 | 2003-04-10 | Plate type oxygen rich membrane component part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2608114Y true CN2608114Y (en) | 2004-03-31 |
Family
ID=34168977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03243266 Expired - Fee Related CN2608114Y (en) | 2003-04-10 | 2003-04-10 | Plate type oxygen rich membrane component part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2608114Y (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101544356B (en) * | 2008-03-27 | 2012-09-26 | 周纪昌 | Flat oxygen-enriched membrane component |
| CN101766321B (en) * | 2008-12-30 | 2012-10-24 | 苏州三星电子有限公司 | Ultra-long-term freshness preserving system |
| CN106582216A (en) * | 2016-12-02 | 2017-04-26 | 青岛海尔股份有限公司 | Air separation apparatus and refrigerating freezing apparatus |
| CN106642913A (en) * | 2016-12-02 | 2017-05-10 | 青岛海尔股份有限公司 | Refrigerating and freezing device |
| CN106679275A (en) * | 2016-12-02 | 2017-05-17 | 青岛海尔股份有限公司 | Cold preservation and refrigerating device |
| CN106693623A (en) * | 2016-12-02 | 2017-05-24 | 青岛海尔股份有限公司 | Air separation device and refrigerating and freezing device |
| CN106705536A (en) * | 2016-12-02 | 2017-05-24 | 青岛海尔股份有限公司 | Refrigerator |
| CN106705543A (en) * | 2016-12-02 | 2017-05-24 | 青岛海尔股份有限公司 | Oxygen-rich membrane assembly and refrigerating and freezing device |
| CN106705534A (en) * | 2016-12-02 | 2017-05-24 | 青岛海尔股份有限公司 | Cold storage and refrigeration device with high-oxygen meat storage function |
| CN106766563A (en) * | 2016-12-02 | 2017-05-31 | 青岛海尔股份有限公司 | Oxygen-enriched membrane component and refrigerating device |
| CN106766520A (en) * | 2016-12-09 | 2017-05-31 | 青岛海尔股份有限公司 | The output intent of refrigerating device and its controlled atmosphere storing information |
| CN106766511A (en) * | 2016-12-02 | 2017-05-31 | 青岛海尔股份有限公司 | Article-storage device with fresh keep-alive storage function |
| CN106766565A (en) * | 2016-12-02 | 2017-05-31 | 青岛海尔股份有限公司 | Refrigerator |
| CN106813443A (en) * | 2016-12-02 | 2017-06-09 | 青岛海尔股份有限公司 | Refrigerating equipment |
| CN106813441A (en) * | 2016-12-02 | 2017-06-09 | 青岛海尔股份有限公司 | Possesses the refrigerating device that hyperoxia stores up meat function |
| KR20190083342A (en) * | 2016-12-02 | 2019-07-11 | 칭다오 하이얼 조인트 스탁 씨오.,엘티디. | Refrigeration and freezers |
| CN113816342A (en) * | 2021-10-14 | 2021-12-21 | 杭州哲达科技股份有限公司 | Oxygen-enriched membrane component and membrane-method oxygen-enriched preparation system |
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2003
- 2003-04-10 CN CN 03243266 patent/CN2608114Y/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101544356B (en) * | 2008-03-27 | 2012-09-26 | 周纪昌 | Flat oxygen-enriched membrane component |
| CN101766321B (en) * | 2008-12-30 | 2012-10-24 | 苏州三星电子有限公司 | Ultra-long-term freshness preserving system |
| KR20190083340A (en) * | 2016-12-02 | 2019-07-11 | 칭다오 하이얼 조인트 스탁 씨오.,엘티디. | Air separation unit and refrigeration freezer |
| CN106766565B (en) * | 2016-12-02 | 2020-08-28 | 青岛海尔股份有限公司 | Refrigerator with a door |
| KR20190083342A (en) * | 2016-12-02 | 2019-07-11 | 칭다오 하이얼 조인트 스탁 씨오.,엘티디. | Refrigeration and freezers |
| CN106693623A (en) * | 2016-12-02 | 2017-05-24 | 青岛海尔股份有限公司 | Air separation device and refrigerating and freezing device |
| CN106705536A (en) * | 2016-12-02 | 2017-05-24 | 青岛海尔股份有限公司 | Refrigerator |
| CN106705543A (en) * | 2016-12-02 | 2017-05-24 | 青岛海尔股份有限公司 | Oxygen-rich membrane assembly and refrigerating and freezing device |
| CN106705534A (en) * | 2016-12-02 | 2017-05-24 | 青岛海尔股份有限公司 | Cold storage and refrigeration device with high-oxygen meat storage function |
| CN106766563A (en) * | 2016-12-02 | 2017-05-31 | 青岛海尔股份有限公司 | Oxygen-enriched membrane component and refrigerating device |
| CN106582216A (en) * | 2016-12-02 | 2017-04-26 | 青岛海尔股份有限公司 | Air separation apparatus and refrigerating freezing apparatus |
| CN106766511A (en) * | 2016-12-02 | 2017-05-31 | 青岛海尔股份有限公司 | Article-storage device with fresh keep-alive storage function |
| CN106766565A (en) * | 2016-12-02 | 2017-05-31 | 青岛海尔股份有限公司 | Refrigerator |
| CN106813443A (en) * | 2016-12-02 | 2017-06-09 | 青岛海尔股份有限公司 | Refrigerating equipment |
| CN106813441A (en) * | 2016-12-02 | 2017-06-09 | 青岛海尔股份有限公司 | Possesses the refrigerating device that hyperoxia stores up meat function |
| WO2018099464A1 (en) * | 2016-12-02 | 2018-06-07 | 青岛海尔股份有限公司 | Air-separating device and refrigerating and freezing device |
| CN106766511B (en) * | 2016-12-02 | 2023-08-15 | 海尔智家股份有限公司 | Storage device with fresh keeping and alive storage functions |
| CN106679275A (en) * | 2016-12-02 | 2017-05-17 | 青岛海尔股份有限公司 | Cold preservation and refrigerating device |
| US11517850B2 (en) | 2016-12-02 | 2022-12-06 | Qingdao Haier Joint Stock Co., Ltd. | Air separation device and refrigerating and freezing device |
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