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CN104121744B - Refrigerating appliance and the method for adjusting refrigerating appliance compartment interior air pressure - Google Patents

Refrigerating appliance and the method for adjusting refrigerating appliance compartment interior air pressure Download PDF

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Publication number
CN104121744B
CN104121744B CN201310148809.4A CN201310148809A CN104121744B CN 104121744 B CN104121744 B CN 104121744B CN 201310148809 A CN201310148809 A CN 201310148809A CN 104121744 B CN104121744 B CN 104121744B
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CN
China
Prior art keywords
storeroom
gas
refrigerating appliance
gas storage
storage device
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Application number
CN201310148809.4A
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Chinese (zh)
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CN104121744A (en
Inventor
J·舒伯特
C·嘉格尔
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BSH Electrical Appliances Jiangsu Co Ltd
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BSH Electrical Appliances Jiangsu Co Ltd
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  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

A kind of method that the present invention provides refrigerating appliance and adjusts refrigerating appliance compartment interior air pressure, refrigerator is according to including:Storeroom(14、24);For opening and closing the storeroom(14、24)Door(11、21);Air regulating device(13、23), for adjusting the storeroom(14、24)Internal air pressure;Suggestion according to the present invention, the air regulating device(13、23)With the gas storage device that can store gas(33), the gas(36)It can be in the storeroom(14、24)The internal and described gas storage device(33)Between flowing to adjust the storeroom(14、24)Internal air pressure.

Description

Refrigerating appliance and the method for adjusting refrigerating appliance compartment interior air pressure
【Technical field】
The present invention relates to household appliance technical fields, and more particularly to a kind of refrigerating appliance with air pressure adjustment function.
【Background technology】
During the opening and closing of the door of refrigerating appliance, the hot-air around refrigerating appliance can inevitably enter refrigerator In tool, the cold and hot air mixed is cooled in refrigerating appliance, due to the principle expanded with heat and contract with cold, after cooling, the gas in refrigerating appliance Press becomes low pressure relative to external atmospheric pressure, and pressure difference is formed on the door of refrigerating appliance, so that opening refrigerating appliance Door become difficult.
To solve the above-mentioned problems, patent CN101162120A is logical provided with having air pressure adjustment on the door of refrigerating appliance The Pneumatic adjusting mechanism on road and check-valves, the door of air pressure adjustment access perforation refrigerating appliance and the storeroom for being connected to refrigerating appliance Outwardly and inwardly, check-valves by can be moved by the balance of upper and lower pressure difference and the weight of itself valve body, pass through valve The opening and closing path of the movement of body and channel opening and closing is constituted.When the inside and outside pressure difference of door has been more than the weight of valve body, valve body to Thus upper movement is opened and closed path and opens, air is passed to from outside in the storeroom of refrigerating appliance, until inside and outside pressure difference etc. When valve weight, valve body moves down and Turn Off Path.
Said program reduces the pressure difference on the door of refrigerating appliance to a certain extent really, still, still exists extremely Few two problems:Above scheme is to introduce external hot-air in refrigerating appliance, increases the pressure in refrigerating appliance, hot-air The refrigerating efficiency that refrigerating appliance is reduced into membership, the additional burden for increasing compressor;After Pneumatic adjusting mechanism plays a role, system Pressure difference on the door of cooler tool is at least the weight of valve body, and after hot-air enters refrigerating appliance, the hot-air of entrance is cold But, the pressure in refrigerating appliance can be similarly reduced, therefore, under normal circumstances, the pressure difference on the door of refrigerating appliance can be more than The weight of valve body still will use larger power to which user opens the door.
【Invention content】
In order to solve the problems, such as that the present invention carries caused by the storeroom internal and external pressure difference as refrigerating appliance in background technology Go out a kind of refrigerating appliance reducing compartment interior and external pressure difference.
To achieve the goals above, the present invention proposes a kind of refrigerating appliance, including:Storeroom;For opening and closing institute State the door of storeroom;Air regulating device, the air pressure for adjusting the compartment interior;The air regulating device has can Store gas gas storage device, the gas can be flowed between the compartment interior and the gas storage device with Adjust the air pressure of the compartment interior.
The air pressure of compartment interior is adjusted by air regulating device, reduces storeroom outside and compartment interior Draught head, the additional power being applied on door of storage room that is generated by draught head is reduced, to avoid the when of opening the door from needing volume Outer strength using bigger and the case where door is easy to flick at closing time.
Optionally, when the air pressure of the compartment interior is less than the air pressure outside the storeroom, the gas storage dress It sets and discharges stored gas to the compartment interior, to increase the air pressure of the compartment interior, to reduce storage The draught head of indoor and outdoor, user are more prone to open the door of storeroom.
Optionally, the air regulating device further includes first passage, and the first passage is connected to the gas storage dress Set with the compartment interior, be convenient for gas flowing.
Optionally, the first passage is formed by least one gas flow pipe road, gas flow pipe road one end and The compartment interior is connected, and the other end is connected with the gas storage device.
Optionally, the first passage is formed by multiple gas flow pipe roads.
Optionally, the distance between adjacent described gas flow pipe road is equal, is ensureing refrigerating efficiency in storeroom Under the premise of, convenient between compartment interior and gas storage device, gas flows faster.
Optionally, the air regulating device further includes the shell to form accommodating space, and the gas storage device is located at In the accommodating space.
Optionally, the gas storage device is completely enclosed relative to the accommodating space, since gas can be deposited in gas It is flowed between storage device and compartment interior, therefore cold air is avoided to reveal and avoided in accommodating space from gas storage device Gas enters compartment interior, to not reduce the refrigerating efficiency of refrigerating appliance.
Optionally, the air pressure in the accommodating space and the air pressure outside the storeroom are equal.
Optionally, the gas regulation mechanism further includes second channel, the second channel be connected to the accommodating space and Outside the storeroom, in a manner of fairly simple and is effective, realizes accommodating space and storeroom external pressure is equal.
Optionally, inside the gas storage device and outside the gas storage device there are when pressure difference, gas exists It is flowed between the compartment interior and the gas storage device.
Optionally, the gas storage device is gas storage bag, and the air pressure inside and outside gas storage bag corresponds to storeroom Inside and outside air pressure, simple in structure using gas storage bag as gas storage device, easy to implement and effect is fine.
Optionally, the gas storage bag has wall, and the material of the wall is rubber, and the scalable effect of rubber material is good.
Optionally, the air regulating device is located in the foaming layer of the refrigerating appliance, to avoid position as far as possible It is substantially reduced in the gas temperature in air regulating device.
To achieve the goals above, the present invention also proposes a kind of method adjusting refrigerating appliance compartment interior air pressure, packet It includes:When the compartment interior and external pressure difference, by gas in the compartment interior and the refrigerating appliance Flowing between gas storage device is poor to reduce the compartment interior and external pressure.
Optionally, when the air pressure of the compartment interior is less than the air pressure outside the storeroom, the gas storage dress It sets and discharges stored gas to the compartment interior, to increase the air pressure of the compartment interior.
The construction of the present invention and its other goals of the invention and advantageous effect will be in conjunction with the accompanying drawings to preferred real Apply the description of example and more obvious and easy to understand.
【Description of the drawings】
The following drawings only does schematic illustration and explanation to the present invention, not delimit the scope of the invention, wherein:
Fig. 1 is the schematic diagram of refrigerating appliance of the present invention.
Fig. 2 and Fig. 3 is the schematic diagram of the air regulating device first embodiment of refrigerating appliance of the present invention.
Fig. 4 and Fig. 5 is the schematic diagram of the air regulating device second embodiment of refrigerating appliance of the present invention.
【Specific implementation mode】
To keep the purpose of the present invention, scheme and advantageous effect of greater clarity, below in conjunction with the accompanying drawings and it is preferably implemented The invention will be further described for example.
Referring to FIG. 1, Fig. 1 is the schematic diagram of refrigerating appliance 100 of the present invention, which includes heat-insulated shell 10,11,20,21, shell 10,11,20,21 includes limiting the babinet 10,20 for the storeroom 14,24 that two have opening and connecting Babinet 10,20 is connected to be selectively opened or close the door 11,21 of corresponding storeroom 14,24, in order to prevent storeroom 14, the cold air in 24 is lost in and the hot-air of surrounding enters storeroom 14,24, the periphery of door 11,21 towards storeroom 14, 24 one side is equipped with the sealing ring 12,22 in square frame-shaped.Two storerooms 14,24 are respectively located above cold in the present embodiment Room 14 and the freezing chamber 24 positioned at 14 lower section of refrigerating chamber are hidden, there is the Machine Room 40 for accommodating compressor in the bottom of freezing chamber 24.
By taking the babinet 10 for the refrigerating chamber 14 being located above as an example, babinet 10 includes the liner 1 and liner for limiting refrigerating chamber 14 1 shell 3 spaced apart and the thermal insulation layer 2 between liner 1 and shell 3, liner 1 include a pair of opposing The first side wall and second sidewall, the rear wall 8, roof 7 and the bottom wall 9 that connect two side walls, these heat-insulated walls surround before having The refrigerating chamber 14 of end opening.
Correspondingly, the door 11 of refrigerating chamber 14 also includes liner 5, the door-plate 4 for constituting 11 appearance of door and liner 5 and door-plate 4 Between thermal insulation layer 6, thermal insulation layer 6 can foam at one and be formed in program.
In the present embodiment, air regulating device is equipped in the thermal insulation layer 2 between the roof 7 and shell 3 of refrigerating chamber 14 13, air regulating device 13 realizes the air pressure adjusted in refrigerating chamber 14 by increasing or reducing the amount of gas in refrigerating chamber 14 Purpose, therefore, in order to improve the refrigerating efficiency inside refrigerating chamber 14, the gas being stored in air regulating device 13 also should Low temperature is kept as far as possible, thus air regulating device 13 is set in thermal insulation layer 2.In addition, by gas in the present embodiment Regulating device 13 is set in the thermal insulation layer 2 at 14 top 7 of refrigerating chamber, and air regulating device 13 may also be arranged on refrigerating chamber 14 In thermal insulation layer 2 between remaining wall and shell 3.In another embodiment, air regulating device 13 may also be arranged on the heat of door In insulating layer 6.
Equally, it is also provided with gas regulation in the thermal insulation layer 2 between 14 bottom wall 9 of the roof 41 of freezing chamber 24 and refrigerating chamber Device 23, to adjust the air pressure in freezing chamber 24.
Fig. 2 and Fig. 3 is the schematic diagram of 13 first embodiment of air regulating device, which includes that can store The gas storage device 33 of gas and the shell 35 for forming accommodating space 34, gas storage device 33 are located at the accommodating space 34 Interior, the wall of shell 35 is with certain degree of hardness and to be not susceptible to the wall of deformation, and gas storage device 33 has wall, and wall is in this implementation It is made of flexible material in example, such as rubber, plastic film etc., for example gas storage bag 33 can select to use balloon.
Gas storage bag 33 is located in thermal insulation layer 2, by being connected inside first passage 31 and refrigerating chamber 14, this implementation In example, first passage 31 is formed by a gas flow pipe road 37, inside the one end in gas flow pipe road 37 and refrigerating chamber 14 Be connected, the other end and gas storage device 33, i.e. gas storage bag connection, in addition, first passage 31 can by directly through The hole that thermal insulation layer 2 is connected to inside refrigerating chamber 14 is formed, and 33 need of gas storage bag are connected to the one end in the hole by a connector Portion.Therefore, gas 36 can be flowed by first passage between gas storage bag and compartment interior, to adjust storage The air pressure of chamber interior.
With the variation of the amount of gas in gas storage bag 33, the volume shared in accommodating space 34 of gas storage bag 33 Also it changes accordingly.Accommodating space 34 outside second channel 32 and refrigerating chamber 14 by being connected, in the present embodiment, second Channel 32 is to reach the hole with small diameter that outside refrigerating chamber 14 and energy is for gas to pass through directly through thermal insulation layer 2, separately Outside, it can also increase by a gas flow pipe road in hole and form second channel.Due to the presence of second channel 32 so that accommodating Gas pressure having the same outside space 34 and refrigerating chamber 14, and the smaller diameter of second channel 32 then to deposit in gas In the case that significant change does not occur for 33 volume of storage bag, the gas outside gas and refrigerating chamber 14 in accommodating space 34 substantially without Heat exchange, to keep the temperature of gas in accommodating space 34.
In practical operation, user opens the door of refrigerating chamber 14, after cooled into the hot-air inside refrigerating chamber 14, makes Air pressure inside refrigerating chamber 14 when being less than the air pressure outside refrigerating chamber 14, the gas outside refrigerating chamber 14 passes through second channel 32 Into in the accommodating space 34 of air regulating device 13, compressing is located at the gas in the gas storage bag 33 in accommodating space 34 36 so that gas 36 is discharged by first passage 31 to refrigerating chamber 14, to increase the air pressure inside refrigerating chamber 14, when cold When the inside and outside air pressure in Tibetan room 14 is equal, reach balance, gas does not flow substantially in first passage 31 and second channel 32 It is dynamic.User can more easily open the door 11 of refrigerating chamber 14.
If the air pressure inside refrigerating chamber 14 is more much smaller than the air pressure outside refrigerating chamber 14, until the gas in gas storage bag 33 After body fully enters 14 inside of refrigerating chamber, 14 air pressure inside of refrigerating chamber remains unchanged less than the air pressure outside refrigerating chamber 14, in this situation Under, air regulating device 13 can not make 14 inside of refrigerating chamber equal with 14 external pressure of refrigerating chamber, can only play reduction refrigeration The effect of room 14 inside and refrigerating chamber 14 external pressure difference.
It is cold if the air pressure inside refrigerating chamber 14 is slightly larger than external pressure in the door 11 of user's quick closedown refrigerating chamber 14 Gas storage bag 33, the appropriate pressure reduced inside and outside refrigerating chamber 14 can be entered by first passage 31 by hiding 14 interior section gas of room Difference reduces the possibility that the door 11 shut is flicked.
The air regulating device 23 being arranged in freezing chamber 24 in Fig. 1, the structurally and operationally phase in situation and refrigerating chamber 14 Together, no longer superfluous words.
Fig. 4 and Fig. 5 be 13 second embodiment of air regulating device schematic diagram and first embodiment difference lies in, even Connecing the first passage 31 inside gas storage bag 33 and storeroom 14,24 is formed by multiple gas flow pipe roads 37, and each The distance between adjacent gas flow pipe road 37 is equal, i.e., multiple gas flow pipe roads 37 are to be uniformly arranged, in the present embodiment, Multiple gas flow pipe roads 37 are equidistant to be arranged in a row.Multiple gas flow pipe roads 37, which are uniformly arranged, can improve gas in gas Flowing velocity inside storage bag 33 and storeroom 14,24.
In addition, also providing such a embodiment:A method of adjusting refrigerating appliance compartment interior air pressure, storeroom 14, when 24 inside and outside air pressure difference, pass through gas storage device of the gas in 14,24 inside of storeroom and refrigerating appliance Flowing between 33 reduces storeroom 14,24 inside and outside draught heads, preferred one embodiment:In storeroom 14,24 When the air pressure in portion is less than the air pressure outside storeroom 14,24, gas storage device 33 extremely stores the stored release of gas 36 Inside room 14,24, to increase the air pressure inside storeroom 14,24.

Claims (12)

1. a kind of refrigerating appliance, including:
Storeroom (14,24);
For opening and closing the door (11,21) of the storeroom (14,24);
Air regulating device (13,23), the air pressure internal for adjusting the storeroom (14,24);
It is characterized in that:
The air regulating device (13,23) has and can store the gas storage device (33) of gas, and the gas (36) can be Flowing is to adjust in the storeroom (14,24) between the internal and described gas storage device (33) of the storeroom (14,24) The air pressure in portion;The air regulating device (13,23) further includes the shell for being located in refrigerating appliance, being formed accommodating space (34) (35), the gas storage device (33) is located in the accommodating space (34), the air pressure in the accommodating space (34) and institute It is equal to state the external air pressure of storeroom (14,24).
2. refrigerating appliance according to claim 1, it is characterised in that:The internal air pressure of the storeroom (14,24) is less than When the air pressure of storeroom (the 14,24) outside, the gas storage device (33) discharges stored gas (36) to institute Storeroom (14,24) inside is stated, to increase the internal air pressure of the storeroom (14,24).
3. refrigerating appliance according to claim 1 or 2, it is characterised in that:The air regulating device (13,23) further includes First passage (31), the first passage (31) is connected to the gas storage device (33) and the storeroom (14,24) is internal.
4. refrigerating appliance according to claim 3, it is characterised in that:The first passage (31) is by least one gas stream Thread a pipe (37) formation, be connected inside described gas flow pipe road (37) one end and the storeroom (14,24), the other end and The gas storage device (33) is connected.
5. refrigerating appliance according to claim 3, it is characterised in that:The first passage (31) is by multiple gas flow pipes Road (37) formation.
6. refrigerating appliance according to claim 5, it is characterised in that:Between the adjacent gas flow pipe road (37) Apart from equal.
7. refrigerating appliance according to claim 1, it is characterised in that:The gas storage device (33) is relative to the appearance (34) are completely enclosed between emptying.
8. refrigerating appliance according to claim 1 or claim 7, it is characterised in that:The gas regulation mechanism further includes second logical Road (32), the second channel (32) is connected to the accommodating space (34) and the storeroom (14,24) is external.
9. refrigerating appliance according to claim 1 or claim 7, it is characterised in that:Gas storage device (33) inside and institute It is external there are when pressure difference to state gas storage device (33), gas is in the storeroom (14,24) inside and gas storage Device flows between (33).
10. refrigerating appliance according to claim 1, it is characterised in that:The gas storage device (33) stores for gas Bag.
11. refrigerating appliance according to claim 10, it is characterised in that:The gas storage bag (33) has wall, described The material of wall is rubber.
12. refrigerating appliance according to claim 1, it is characterised in that:The air regulating device (13,23) is located at described In the thermal insulation layer (15,25) of refrigerating appliance.
CN201310148809.4A 2013-04-25 2013-04-25 Refrigerating appliance and the method for adjusting refrigerating appliance compartment interior air pressure Active CN104121744B (en)

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CN201310148809.4A CN104121744B (en) 2013-04-25 2013-04-25 Refrigerating appliance and the method for adjusting refrigerating appliance compartment interior air pressure

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CN104121744B true CN104121744B (en) 2018-08-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020212084A1 (en) * 2019-04-16 2020-10-22 Arcelik Anonim Sirketi A cooling appliance having improved vacuum removal system

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106196821B (en) * 2015-05-06 2020-01-17 博西华电器(江苏)有限公司 Refrigeration device
CN106839617A (en) * 2016-12-30 2017-06-13 青岛海尔特种电冰柜有限公司 Door body and refrigeration plant with function of balancing air pressure
CN106705544A (en) * 2016-12-30 2017-05-24 青岛海尔特种电冰柜有限公司 Heat-preservation box for refrigeration equipment and refrigeration equipment

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0494587A1 (en) * 1991-01-10 1992-07-15 Aktiebolaget Electrolux Freezer with means preventing the formation of frost
CN2771772Y (en) * 2004-11-09 2006-04-12 路久生 Sealing device
CN2842329Y (en) * 2005-09-30 2006-11-29 青岛市家用电器研究所 Passage structure convenient for opening refrigerating case door
CN101162120A (en) * 2006-10-10 2008-04-16 三电有限公司 Cooling container
CN101280991A (en) * 2007-04-05 2008-10-08 深圳清华大学研究院 Device and method for automatically regulating refrigerated container body inside and outside air pressure balance
CN202182597U (en) * 2011-07-29 2012-04-04 中科美菱低温科技有限责任公司 Ultralow temperature refrigeration storage bin with balanced internal and external air pressure
CN102997572A (en) * 2012-12-12 2013-03-27 合肥荣事达三洋电器股份有限公司 Refrigeration door for refrigerator refrigerating chamber

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120119372A (en) * 2011-04-21 2012-10-31 대영이앤비 주식회사 Refrigerator negative pressure device to prevent

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0494587A1 (en) * 1991-01-10 1992-07-15 Aktiebolaget Electrolux Freezer with means preventing the formation of frost
CN2771772Y (en) * 2004-11-09 2006-04-12 路久生 Sealing device
CN2842329Y (en) * 2005-09-30 2006-11-29 青岛市家用电器研究所 Passage structure convenient for opening refrigerating case door
CN101162120A (en) * 2006-10-10 2008-04-16 三电有限公司 Cooling container
CN101280991A (en) * 2007-04-05 2008-10-08 深圳清华大学研究院 Device and method for automatically regulating refrigerated container body inside and outside air pressure balance
CN202182597U (en) * 2011-07-29 2012-04-04 中科美菱低温科技有限责任公司 Ultralow temperature refrigeration storage bin with balanced internal and external air pressure
CN102997572A (en) * 2012-12-12 2013-03-27 合肥荣事达三洋电器股份有限公司 Refrigeration door for refrigerator refrigerating chamber

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020212084A1 (en) * 2019-04-16 2020-10-22 Arcelik Anonim Sirketi A cooling appliance having improved vacuum removal system

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