CN104534774B - Vapor stopping and frost gathering device of direct-cooling cabinet freezer - Google Patents
Vapor stopping and frost gathering device of direct-cooling cabinet freezer Download PDFInfo
- Publication number
- CN104534774B CN104534774B CN201510021640.5A CN201510021640A CN104534774B CN 104534774 B CN104534774 B CN 104534774B CN 201510021640 A CN201510021640 A CN 201510021640A CN 104534774 B CN104534774 B CN 104534774B
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- Prior art keywords
- cabinet
- frost
- freezer
- reach
- direct
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
-
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/04—Preventing the formation of frost or condensate
-
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/14—Collecting or removing condensed and defrost water; Drip trays
-
- 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
- F25D2321/00—Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
-
- 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
- F25D2321/00—Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
- F25D2321/14—Collecting condense or defrost water; Removing condense or defrost water
- F25D2321/141—Removal by evaporation
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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)
- Defrosting Systems (AREA)
Abstract
The invention provides a vapor stopping and frost gathering device of a direct-cooling cabinet freezer, and belongs to the field of refrigeration equipment. The vapor stopping and frost gathering device comprises a vapor stopping apparatus arranged on a door cover of the cabinet freezer and a frost gathering apparatus arranged inside the cabinet freezer. The vapor stopping apparatus comprises a breathable water stopping film and a door sealing strip, and the door sealing strip and the breathable water stopping film are arranged on the inner side of the door cover of the cabinet freezer from inside to outside and right face a cabinet freezer body. The frost gathering apparatus comprises a vapor leading-in channel and an auxiliary evaporator tube, the vapor leading-in channel is formed inside the cabinet freezer, the two ends of the vapor leading-in channel are located at the upper edge of the cabinet freezer body and right face the upper plane and the inner side face of the door cover respectively, the auxiliary evaporator tube is arranged on the inner side face, and a frost gathering box is arranged on the side, where the auxiliary evaporator tube is located, of an inner container. The vapor stopping and frost gathering device greatly retrains large-area frosting of the wall of the inner container of the direct-cooling cabinet freezer, improves the heat efficiency of an evaporator, prolongs the defrosting cycle and lowers the energy consumption of the cabinet freezer; frost in the frost gathering box is easier to clean away than frost on the wall of the inner container. Besides, the vapor stopping and frost gathering device is simple in structure, it is not needed to change the original cabinet freezer a lot, and therefore the cost increase is small.
Description
Technical field
The present invention relates to a kind of technology of art of refrigeration units, specifically a kind of direct-cooling type reach in freezer resistance vapour gathers frost dress
Put.
Background technology
Direct cooling type reach in freezer is cooled down to food in cabinet by being fitted in vaporizer on wall of inner container, and the steam in cabinet is easy to
In a large amount of frosting of inner bag wall surface of lower temperature, and the steam forming frost is mainly invaded by gasket.Steam constantly invades
The reason reach in freezer is the cell breath at gasket, and that is, when compressor is started shooting, in reach in freezer, air is subject to cold events, leads to cabinet
Interior pressure is less than cabinet external pressure, and then the outer steam of reach in freezer penetrates into by gasket；And during compressor shutdown, empty in reach in freezer
Gas is leaked heat heating and is expanded, and leads in cabinet pressure to be more than cabinet external pressure, so in reach in freezer dry air pass through outside at gasket
Ooze out.In normal work, high frequent start-stop, the also correspondingly cyclic fluctuation of cabinet inner air pressure, and then make outside reach in freezer
Steam constantly penetrates into by gasket, leads to reach in freezer inner bag wall surface to form obvious frost layer quickly.
The frosting of direct cooling type reach in freezer inner bag wall, can reduce the refrigeration of reach in freezer it is necessary to regular defrost；But remove
White process needs to interrupt the refrigeration work process of reach in freezer, and goods is all taken out, very inconvenient.Deteriorate to slow down frost layer
Refrigeration performance simultaneously makes defrosting convenient, needs to stop steam from penetrating at gasket and avoid internal face large area frosting.Such ask
Topic can not solve simply by the air-tightness increasing gasket, because the bubble-tight raising of door seal can lead to cabinet door due to inside and outside
Pressure reduction is excessive to be difficult to open, and food in cabinet of cannot taking.
The existing technology slowing down the performance that frost layer deteriorates direct cooling type reach in freezer includes two categories below:
The first kind is to be provided with the pressure-equalizing pipe of dehumidification function in cabinet body sidewall, makes reach in freezer internal and external pressure balance,
And then decrease steam and penetrate at gasket and again cabinet door can be facilitated to open, the such as Chinese patent cn202869117u (day for announcing
2013.04.10), cn103673469a (day for announcing 2014.03.26), cn103673468a (day for announcing 2014.03.26).?
In such technology, the pressure-equalizing pipe on cabinet wall can not possibly thoroughly balance the inside and outside differential pressure of gasket at cabinet door, institute
Also can be penetrated into from gasket with steam, and in a large amount of frosting of internal face；Additionally, it is provided pressure-equalizing pipe also can increase reach in freezer
Thermic load, makes energy consumption increase.
The another kind of steam division board being to provide between door of refrigerator and cabinet glass or metal material together, is equivalent to volume
One isolating door of outer increase, and then can thoroughly stop steam from entering in cabinet, the such as Chinese patent cn104019601a (day for announcing
2014.09.03).In such technology, the pressure reduction inside and outside gasket still exists, and steam still can penetrate at gasket, and
Frosting on the division board of lower temperature, and frost layer is easy to freeze together division board and cabinet, lead to be difficult to open every
Take food in cabinet from plate.
Existing slow down the technology that frost layer deteriorates reach in freezer performance, all cannot stop in steam penetrates at gasket and avoid
Wall large area frosting.
Content of the invention
The present invention is directed to deficiencies of the prior art, proposes a kind of direct-cooling type reach in freezer resistance vapour and gathers frost device, energy
Enough stop steam from penetrating into from gasket, and for the steam having existed in a small amount of steam being possible to infiltration and cabinet, also may be used
So that it is gathered in frosting in a specific very little region, deteriorates reach in freezer refrigeration performance and make to remove thus reaching and slowing down frost layer
The convenient purpose of frost.
The present invention is achieved by the following technical solutions:
The present invention relates to a kind of direct-cooling type reach in freezer resistance vapour gathers frost device, comprising: be arranged at the resistance on the door closure of reach in freezer
Vapour device and be arranged in cabinet poly- frost device.
Resistance vapour device includes: block water ventilated membrane and gasket, wherein: gasket and the ventilated membrane that blocks water are arranged at from inside to outside
So that air cavity is formed along between three on the ventilated membrane that blocks water, gasket, cabinet inside the door closure of reach in freezer and just to cabinet.
Poly- frost device includes: steam introduction channel, auxiliary evaporator pipe, wherein: steam introduction channel be arranged in cabinet and
Two ends are located at respectively along the upper plane just to door closure and medial surface on cabinet, and auxiliary evaporator pipe is arranged at described medial surface.
Described auxiliary evaporator pipe is used for providing the relative low temperature making moisture convergence, so the interval of its evaporator tube is excellent
Elect below a quarter at food product refrigeration evaporator tube interval in cabinet as.
The present invention relates to a kind of reach in freezer based on said apparatus hinders the method that vapour gathers frost: when reach in freezer works, cabinet
Outer relatively high pressure invades offer power for humid external air into cabinet, and resistance vapour device is by the moisture barrier in humid air in cabinet
Outward, dry air therein is allowed to enter in cabinet and then balance external and internal pressure, poly- frost device by the steam having existed in cabinet and has
The a small amount of moisture convergence that may penetrate into is frozen into frost in the white box of collection；When reach in freezer stops, in cabinet, relatively high pressure makes in cabinet
While dry air is discharged to outside cabinet by hindering vapour device, the steam on resistance vapour device is air-dried and stops water to improve circulation next time
The efficiency of vapour.
Technique effect
From know-why angle, the present invention is first by the most of water vapor rejection in cabinet humid external air outside gasket
Side, and only allow dry air therein penetrate in cabinet, and then reach the effect stoping steam from penetrating at gasket；Secondly,
For there is no to be interposed between an outside and existing steam in a small amount of steam of still penetrating into and reach in freezer by door seal, drawn
It is directed at a specific region in reach in freezer, concentrate frosting.So both can suppress the frosting of most of inner bag wall, it is right to facilitate again
Frost layer is concentrated and is removed.
Compared with prior art, the present invention can stop steam from entering from refrigerator door strip of paper used for sealing, and avoids steam main
A large amount of frostings of refrigerator wall, simplify defrosting simultaneously.In the present invention, the ventilated membrane that blocks water is arranged at outside gasket, and it is longitudinally
Length is longer than gasket；Cabinet top edge is designed to shelving structure, and the ventilated membrane that makes to block water is easy to fit with it, and then makes to block water
Form an air cavity along between three on air film, gasket, cabinet, accommodate pressure change；The white box of collection is arranged at reach in freezer inner bag
On wall；The import of steam introduction channel is arranged inside gasket, and outlet is arranged near the white box of collection；Wall near the white box of collection
The closeer evaporator tube of face setting, and then obtain relatively low temperature and water vapor partial pressure power, facilitate steam to collect.When reach in freezer is in
Mode of operation, the ventilated membrane that blocks water stops the steam in humid air from directly penetrating at gasket gap, meanwhile, does not have to be interposed between
Outside and a small amount of steam of still penetrating into by door seal pass through steam introduction channel and import to collect in frost box, existing in reach in freezer
Steam is also directed in the white box of collection, and the steam of gathering is frozen into frost in the presence of auxiliary evaporator in the white box of collection, it is to avoid
Steam is diffused into inner bag wall frosting.Frosting in reach in freezer removes, can be simply by will collect frost box in reach in freezer
Take out and frost layer is removed.When reach in freezer is in shutdown mode, in cabinet, dry air is arranged to outside cabinet by the ventilated membrane that blocks water and wind
The dry steam blocking water on ventilated membrane, the recycling of the ventilated membrane that conveniently blocks water.
The frosting of the most of inner bag wall of present invention suppression, improves evaporator heat exchange efficiency, reduces the energy of reach in freezer
Consumption, extends the cycle of cleaning frosting, facilitates user to concentrate cleaning frosting；Meanwhile, the present invention does not need to original reach in freezer
Make larger change, structure is simple, cost increases few.
Brief description
Fig. 1 is reach in freezer structural representation of the present invention；
Fig. 2 enters process schematic for conventional structure reach in freezer outer space air infiltration；
Fig. 3 goes out process schematic for conventional structure reach in freezer hollow air infiltration；
Fig. 4 is to enter process schematic using the reach in freezer outer space air infiltration of the present invention；
Fig. 5 is to go out process schematic using the reach in freezer hollow air infiltration of the present invention；
In figure: the ventilated membrane 1 that blocks water, gasket 2, door closure 3, cabinet 4, auxiliary evaporator pipe 5, inner bag 6, steam introduction channel
7th, collect white box 8.
Specific embodiment
Below embodiments of the invention are elaborated, the present embodiment is carried out under premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following enforcements
Example.
Embodiment 1
As shown in figure 1, the present embodiment includes: the ventilated membrane 1 that blocks water, gasket 2, door closure 3, cabinet 4, auxiliary evaporator pipe 5,
Inner bag 6, steam introduction channel 7 and the white box 8 of collection, wherein: the ventilated membrane 1 that blocks water is arranged at gasket 2 outside and its longitudinal length is excellent
Choosing is longer than gasket.
The top edge of described cabinet 4 is designed to shelving structure, and then the ventilated membrane 1 that blocks water is easy to fit with it, makes to block water
Form an air cavity along between three on ventilated membrane 1, gasket 2, cabinet 4, accommodate pressure change.
The import of described steam introduction channel 7 is arranged inside gasket 2, and outlet is arranged near the white box 8 of collection.
Described auxiliary evaporator pipe 5 is preferably disposed on the upper of the exit end of steam introduction channel 7 of described medial surface
Side, auxiliary evaporator pipe 5 is spaced apart a quarter at food product refrigeration evaporator tube interval in cabinet, and then obtains relatively low temperature
With water vapor partial pressure power, steam is facilitated to collect.
Described collection frost box 8 is arranged on reach in freezer inner bag 6 wall, and the steam importing being preferably disposed on described medial surface is logical
The lower section of the exit end in road 7.
For the cabinet 4 gathering frost function conventional without choke, when being in mode of operation, as shown in Fig. 2 empty in cabinet 4
Gas is subject to cold events, and the pressure outside gasket 2 is more than the pressure of the inside, and two ends pressure reduction can make air with steam directly from door seal
Penetrate at bar 2 gap, and the large-area frost layer of formation is assembled on most inner bag 6 wall.When being in shutdown mode, such as scheme
Shown in 3, in cabinet 4, air heats expand, and the pressure outside gasket 2 is less than the pressure of the inside, and two ends pressure reduction makes to be dried sky in cabinet
Gas passes through gasket 2 row to outside cabinet.In cabinet 4 normal work, high frequent start-stop, lead to steam in the breathing of gasket 2
Effect is lower constantly to penetrate in cabinet 4, and large area frosting on inner bag 6, reduces refrigeration.In order to remove the big face on inner bag
Long-pending frost layer, needs to interrupt cabinet 4 process of refrigerastion, and goods is all taken out, very inconvenient.
For the present embodiment, there is the cabinet 4 that choke gathers frost function, when being in mode of operation, as shown in figure 4, in cabinet 4
Air is subject to cold events, and the pressure outside gasket 2 is more than the pressure of the inside, and the pressure reduction ventilated membrane 1 that can make to block water in two ends is close on cabinet 4
Edge, thus stoping the air with steam from directly penetrating at gasket 2 gap, and makes air first pass through the ventilated membrane 1 that blocks water.
A large amount of steam of in the air ventilated membrane 1 that blocked water is blocked in outside gasket 2.Simultaneously as intensive auxiliary of the white box of collection 8 setting nearby
Help evaporator tube 5, lead to the partial pressure of temperature relatively low about and vapor, this allow for not having being interposed between outside and according to
The a small amount of steam so being penetrated into by gasket 2 is directly directed in the white box 8 of collection by steam introduction channel 7, and in cabinet 4
Some steam is also focused into collecting in white box 8, the steam of gathering is frozen into frost in the white box 8 of collection, it is to avoid in steam is diffused into
Gallbladder 6 wall large area frosting.When being in shutdown mode, as shown in figure 5, air heats expand in cabinet 4, the pressure outside gasket 2
Power is less than the pressure of the inside, and two ends pressure reduction makes in cabinet dry air by blocking water ventilated membrane 1 row to outside cabinet, the dry air of discharge
The steam blocking water on ventilated membrane 1 can be air-dried, the recycling of the ventilated membrane 1 that conveniently blocks water.By stoping the entrance cabinet of steam as far as possible
Body 4 simultaneously concentrates frosting to process remaining steam in cabinet 4, and steam can be avoided constantly to penetrate under gasket 2 Repiration,
And significantly reduce large area frosting on inner bag 6.Frosting in cabinet 4 removes, can be simply by will collect frost box from cabinet 4
Interior take out and frost layer is removed.
Claims (9)
1. a kind of direct-cooling type reach in freezer resistance vapour gathers frost device it is characterised in that including: is arranged at the resistance vapour on the door closure of reach in freezer
Device and be arranged at poly- frost device in cabinet, wherein, resistance vapour device includes block water ventilated membrane and gasket, gasket and blocking water
Ventilated membrane is arranged inside the door closure of reach in freezer and just to cabinet from inside to outside so that edge on the ventilated membrane that blocks water, gasket, cabinet
Form air cavity between three.
2. direct-cooling type reach in freezer according to claim 1 resistance vapour gathers frost device, it is characterized in that, described poly- frost device bag
Include: steam introduction channel and auxiliary evaporator pipe, wherein: steam introduction channel is arranged in cabinet and two ends are located on cabinet respectively
Along the upper plane just to door closure and medial surface, auxiliary evaporator pipe is arranged at described medial surface.
3. direct-cooling type reach in freezer according to claim 1 resistance vapour gathers frost device, it is characterized in that, the described ventilated membrane that blocks water
Longitudinal length is more than gasket.
4. direct-cooling type reach in freezer resistance vapour according to claim 1 gathers frost device, it is characterized in that, described cabinet top edge is
It is adapted to the shelving structure of the ventilated membrane that blocks water.
5. direct-cooling type reach in freezer according to claim 2 resistance vapour gathers frost device, it is characterized in that, described auxiliary evaporator pipe
It is arranged at the top of steam introduction channel one end of described medial surface.
6. direct-cooling type reach in freezer resistance vapour according to claim 2 gathers frost device, it is characterized in that, described poly- frost device also wraps
Include the collection frost box of the auxiliary evaporator pipe side being arranged at inner bag.
7. direct-cooling type reach in freezer resistance vapour according to claim 6 gathers frost device, it is characterized in that, described collection frost box is arranged at
The lower section of steam introduction channel one end of described medial surface.
8. the direct-cooling type reach in freezer resistance vapour according to claim 2 or 5 gathers frost device, it is characterized in that, described assisted evaporative
Device pipe is spaced apart below a quarter at food product refrigeration evaporator tube interval in cabinet.
9. a kind of reach in freezer according to any of the above-described claim described device hinders the method for the poly- frost of vapour it is characterised in that working as cold
When freezing cabinet work, the outer relatively high pressure of cabinet invades offer power for humid external air into cabinet, and resistance vapour device is by humid air
Moisture barrier is outside cabinet, and allows dry air therein enter in cabinet and then balance external and internal pressure, gather frost device by cabinet
The steam existing and the moisture convergence penetrating into are frozen into frost in the white box of collection；When reach in freezer stops, in cabinet, relatively high pressure makes
While in cabinet, dry air is discharged to outside cabinet by hindering vapour device, the steam that resistance vapour device is blocked is air-dried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510021640.5A CN104534774B (en) | 2015-01-16 | 2015-01-16 | Vapor stopping and frost gathering device of direct-cooling cabinet freezer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510021640.5A CN104534774B (en) | 2015-01-16 | 2015-01-16 | Vapor stopping and frost gathering device of direct-cooling cabinet freezer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104534774A CN104534774A (en) | 2015-04-22 |
| CN104534774B true CN104534774B (en) | 2017-01-18 |
Family
ID=52850348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510021640.5A Active CN104534774B (en) | 2015-01-16 | 2015-01-16 | Vapor stopping and frost gathering device of direct-cooling cabinet freezer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104534774B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864656B (en) * | 2015-05-27 | 2017-06-27 | 浙江大学 | A kind of refrigerator system of anti-cell breath frosting |
| CN110081656B (en) * | 2018-01-26 | 2024-07-12 | 青岛海尔特种电冰柜有限公司 | Phase change defrosting device, refrigeration equipment and defrosting method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4764193A (en) * | 1987-10-07 | 1988-08-16 | Raytheon Company | Thermoelectric frost collector for freezers |
| JPH01310281A (en) * | 1988-06-07 | 1989-12-14 | Toshiba Corp | Freezer |
| JP2004278944A (en) * | 2003-03-17 | 2004-10-07 | Sanyo Electric Co Ltd | Cooling storage with defrosting function |
| JP6019386B2 (en) * | 2012-04-19 | 2016-11-02 | パナソニックＩｐマネジメント株式会社 | refrigerator |
| CN103673469B (en) * | 2012-09-26 | 2016-08-03 | 海尔集团公司 | Refrigerator |
| CN203848585U (en) * | 2014-05-16 | 2014-09-24 | 杭州华日电冰箱股份有限公司 | Refrigerator adopting direct cooling micro frost technology |
| CN104019601B (en) * | 2014-05-16 | 2016-12-07 | 杭州华日家电有限公司 | A kind of electric refrigerator using direct-cooled micro-frost technology |
-
2015
- 2015-01-16 CN CN201510021640.5A patent/CN104534774B/en active Active
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| Publication number | Publication date |
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| CN104534774A (en) | 2015-04-22 |
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