CN105783381B - A kind of air-pressure balancing device and refrigerating plant - Google Patents
A kind of air-pressure balancing device and refrigerating plant Download PDFInfo
- Publication number
- CN105783381B CN105783381B CN201610224956.9A CN201610224956A CN105783381B CN 105783381 B CN105783381 B CN 105783381B CN 201610224956 A CN201610224956 A CN 201610224956A CN 105783381 B CN105783381 B CN 105783381B
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- Prior art keywords
- caisson
- air
- storeroom
- air pressure
- balancing device
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
- F25D17/047—Pressure equalising devices
-
- 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
- F25D23/00—General constructional features
- F25D23/10—Arrangements for mounting in particular locations, e.g. for built-in type, for corner type
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a kind of air-pressure balancing device and refrigerating plant, it is related to refrigeration technology field, is invented to solve the problem of causing frosting inside refrigerating plant due to balancing refrigerating plant inner and outer air pressure in the prior art, energy consumption rises.A kind of air-pressure balancing device, including the air pressure balance pipeline for balancing refrigerating plant storeroom inner and outer air pressure, and it is sealedly attached to the caisson of the closing of the air pressure balance pipeline external port, when the air pressure in the caisson is more than the air pressure in the storeroom and draught head reaches preset value, the gas in the caisson can be entered in the storeroom by the air pressure balance pipeline.The present invention is used for the regulation of the inner and outer air pressure of refrigerating plant.
Description
Technical field
The present invention relates to refrigeration technology field, more particularly to a kind of air-pressure balancing device and refrigerating plant.
Background technology
At present, the refrigerating plant such as refrigerator or refrigerator can store food due to freezing its inner chamber in any season, more and more
Used by people.With the horizontal continuous improvement of production technology, the bore seal of refrigerating plant has obtained very big carry
Rise, still, after refrigerating plant freezes a period of time, because its inner chamber temperature declines, air pressure inside can also decline therewith, at this moment,
The air pressure that atmospheric pressure is more than refrigerating plant inner chamber forms pressure differential, and the pressure differential is acted on the door of refrigerating plant, now, when
, it is necessary to overcome the suction of pressure differential and door seal when opening refrigerator door, user is set to open the door relatively elaborate, especially from upper
The door just opened, it is also necessary to overcome self gravitation, the phenomenon that refrigerator door is not opened easily occur and occur.
It is existing to solve the problems, such as that refrigerator door is difficult to the method for opening as shown in figure 1, disclosing a kind of refrigerator structure, bag
Include casing 01 and door body 02, strip of paper used for sealing 03 be provided between casing 01 and door body 02, in addition to be located at strip of paper used for sealing 03 and door body 02 it
Between passage 04, the inner chamber of refrigerator is in communication with the outside by passage 04, to reach the purpose of balance refrigerating plant external and internal pressure, makes ice
Chamber door body 03 is easier to open.
But problems with such scheme be present, it is extraneous because the inner chamber of refrigerating plant connects with the external world
Damp-heat air can enter inner chamber always, and one side inner chamber temperature can raise, and refrigerating plant needs lasting refrigeration to reduce inner chamber temperature
Degree, the energy consumption of refrigerating plant is added, on the other hand, extraneous damp-heat air enters inner chamber, can cause inner chamber frosting or evaporation
Device frosting.Specifically, for direct-cooling type refrigerating plant, when extraneous damp-heat air enters inner chamber, meeting after the cold air of inner chamber is run into
Make the frosting of refrigerating plant inner chamber, it is necessary to user defrosts manually, for air cooling refrigeration device, due to the entrance of damp-heat air, lead
Refrigeration gas cycle accelerates, and then evaporimeter frosting, therefore, it is necessary to improve the frequency of evaporator defrosting, defrosting is general at present to be used
Electric energy mode, directly increases energy resource consumption.
The content of the invention
Embodiments of the invention provide a kind of air-pressure balancing device and refrigerating plant, to solve in the prior art due to balance
Refrigerating plant inner and outer air pressure and cause frosting inside refrigerating plant, energy consumption rise the problem of.
To reach above-mentioned purpose, embodiments of the invention adopt the following technical scheme that:
A kind of air-pressure balancing device, including for balancing the air pressure balance pipeline of refrigerating plant storeroom inner and outer air pressure, with
And the caisson of the closing of the air pressure balance pipeline external port is sealedly attached to, when the air pressure in the caisson is more than
When air pressure and draught head in the storeroom reach preset value, the gas in the caisson can be by the air pressure balance
Pipeline enters in the storeroom.
Air-pressure balancing device provided in an embodiment of the present invention, due to there is provided air pressure balance pipeline, and in barometric pipe
The external port in road is sealedly connected with the caisson of closing, and compartment interior air pressure is reduced due to refrigeration, when in caisson
Air pressure be more than air pressure in storeroom and draught head is when reaching preset value, the gas in caisson can be by air pressure balance
Pipeline enters in storeroom, makes storeroom and the air pressure balance in caisson, and then the close balance of air pressure inside and outside storeroom,
Because when storeroom reaches preset value with the draught head in caisson, the gas in caisson could pass through barometric pipe
Road enters in the storeroom, and caisson seals with extraneous, so, compared with prior art, entered by air pressure balance pipeline
The gas of compartment interior is relatively fewer, and is not extraneous damp-heat air, enters without bringing substantial amounts of damp-heat air into, can be with
Internal frosting is prevented, reduces the energy consumption of refrigerating plant.
On the other hand, the embodiment of the present invention also provides a kind of refrigerating plant, including storeroom and for beating on or off
Close the door body of the storeroom, in addition to above-mentioned air-pressure balancing device.
Refrigerating plant provided in an embodiment of the present invention, can be to outer gas in storeroom due to there is provided air pressure balance pipeline
Pressure is balanced, and caisson seals with extraneous, relatively fewer into the gas of compartment interior by air pressure balance pipeline, and
It is not extraneous damp-heat air, enters without bringing substantial amounts of damp-heat air into, internal frosting can be prevented, reduce refrigerating plant
Energy consumption.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, embodiment will be described below
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also be attached according to these
Figure obtains other accompanying drawings.
Fig. 1 is a kind of refrigerator structure schematic diagram of prior art;
Fig. 2 is the decomposition texture schematic diagram of air-pressure balancing device of the embodiment of the present invention;
Fig. 3 is the structural representation of refrigerating plant door body of the embodiment of the present invention;
Fig. 4 is the structural representation of air pressure balance pipeline in air-pressure balancing device of the embodiment of the present invention;
Fig. 5 is the decomposition texture signal that caisson is when flexible material makes in air-pressure balancing device of the embodiment of the present invention
Figure.
Embodiment
A kind of air-pressure balancing device of the embodiment of the present invention and refrigerating plant are described in detail below in conjunction with the accompanying drawings.
In the description of the invention, it is to be understood that term " " center ", " on ", " under ", "front", "rear", " left side ",
The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are based on shown in the drawings
Orientation or position relationship, be for only for ease of the description present invention and simplify description, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
A kind of air-pressure balancing device provided in an embodiment of the present invention, as shown in Figure 2 and Figure 4, including for balanced system cold charge
The air pressure balance pipeline 3 of the inner and outer air pressure of storeroom 1 is put, and is sealedly attached to the closing of the external port of air pressure balance pipeline 3
Caisson 4, when the air pressure in caisson 4 be more than storeroom 1 in air pressure and draught head reach preset value when, gas storage
Gas in device 4 can be entered in storeroom 1 by air pressure balance pipeline 3.
Air-pressure balancing device provided in an embodiment of the present invention, due to there is provided air pressure balance pipeline 3, and in barometric pipe
The external port in road 3 is tightly connected Packed caisson 4, and the air pressure inside of storeroom 1 is reduced due to refrigeration, works as caisson
When air pressure in 4 is more than the air pressure in storeroom 1 and draught head arrival preset value, the gas in caisson 4 can be by air pressure
Equalizing main 3 enters in storeroom 1, makes storeroom 1 and the air pressure balance in caisson 4, and then the air pressure inside and outside storeroom 1
Close to balance, because when storeroom 1 reaches preset value with the draught head in caisson 4, the gas in caisson 4 could lead to
Air pressure balance pipeline 3 is crossed to enter in storeroom 1, and caisson 4 seals with extraneous, so, compared with prior art, put down by air pressure
The gas that pipeline 3 enters inside storeroom 1 that weighs is relatively fewer, and is not extraneous damp-heat air, enters substantial amounts of without bringing into
Damp-heat air, the inside frosting of storeroom 1 can be prevented, reduce the energy consumption of refrigerating plant.
It should be noted that the storeroom of general refrigerating plant includes refrigerating chamber and refrigerating chamber, compare for, refrigerating chamber
Cryogenic temperature is relatively low, and its air pressure inside and external pressure difference are larger, and the stubborn phenomenon of door body is and cold than more serious
It is smaller to hide indoor/outdoor temperature-difference, and then draught head is smaller, the stubborn problem of door body is lighter, therefore, can be only in order to save cost
Air-pressure balancing device is set inside and outside refrigerating chamber, to solve the stubborn problem of door body.
Refrigerating plant provided in an embodiment of the present invention, the position of caisson 4 can flexibly be set as needed, for example,
In order to not influence outward appearance, caisson 4 can be arranged on the place that the users such as side wall or the back side of refrigerating plant are not readily apparent.By
Limited in the gas capacity of caisson 4, after carrying out pressure balance several times with the inside of storeroom 1, the gas in caisson 4 subtracts
It is few, it is possible to create in caisson 4 the problem of atmospheric pressure deficiency, therefore, in order to solve the above problems, and caisson 4
Outer wall is thermally conductive, and the outer wall of caisson 4 is bonded with side wall of the storeroom 1 provided with condenser pipe, and condenser pipe is arranged at the side of storeroom 1
In the foaming layer of wall.The condenser pipe of refrigerating plant radiates at work, when condenser pipe is arranged in the foaming layer of the side wall of storeroom 1
When, caisson 4 can be bonded with the side wall provided with condenser pipe, so, by the heat transfer of caisson outer wall, gas storage can be filled
Put gas temperature in 4 to raise, and then increase the air pressure in caisson, so, solve atmospheric pressure deficiency in caisson 4
The problem of, it is ensured that the air pressure in caisson 4 is more than the air pressure in storeroom 1, when draught head reaches preset value, gas storage
Gas in device 4 can be filled 3 by air pressure balance and be put into storeroom 1, storeroom 1 is kept with the air pressure in caisson 4
Balance.
In order to supplement the gas in caisson 4, as shown in figure 4, air pressure balance pipeline 3 includes communicating pipe
31 and the film tube 32 that is arranged in communicating pipe 31, one end of communicating pipe 31 connected with the inside of storeroom 1, the other end and storage
Device of air 4 is connected, and the both ends of film tube 32 are tightly connected for one week for open mode and with the inwall of communicating pipe 31, film tube 32
Middle part inwall nature is in fitting shape, when the air pressure in storeroom 1 is identical with air pressure in caisson 4, film tube 32
In the inwall of fitting shape the gas in storeroom 1 can be prevented mutually to be circulated with the gas in caisson 4;When in caisson 4
Air pressure be more than air pressure in storeroom 1 and draught head is when reaching preset value, the gas in caisson 4 can strut film tube
32 be in be bonded the inwall of shape and enter in storeroom 1.
In the above-described embodiments, the both ends of the film tube 32 in air pressure balance pipeline 3 are open mode, and middle part inwall is natural
State is in fitting shape, and so, air pressure balance pipeline 3 can be with bidirectional balanced air pressure.Specifically, when the air pressure in storeroom 1 and storage
When air pressure in device of air 4 is identical, film tube 32 can prevent gas and caisson 4 in storeroom 1 in the inwall of fitting shape
Interior gas mutually circulates;When the air pressure in caisson 4 is more than the air pressure in storeroom 1 and draught head reaches preset value,
Gas in caisson 4 can strut film tube 32 in the inwall of fitting shape and enter in storeroom 1;When opening and close refrigeration
When device door body 2, portion of air can be brought into and entered in storeroom 1, now the air pressure in storeroom 1 is more than caisson
Air pressure in 4, if draught head reaches preset value, the gas in storeroom 1 can strut inwall of the film tube 32 in fitting shape,
The unnecessary air in this part is added in caisson 4, so, realize and the gas in caisson 4 is supplemented, store up
Device of air 4 recycles the air that inside relative temperature is relatively low and water capacity is few of storeroom 1, further prevents refrigerating plant
Internal frosting, reduce the energy consumption of refrigerating plant.It should be noted that acted by user's shutdown in supplement caisson 4
After gas, the air pressure in caisson 4 can keep balance to be even above the air pressure inside of storeroom 1 with the air pressure inside of storeroom 1.
When the air pressure in caisson 4 is more than the air pressure in storeroom 1 and draught head reaches preset value, caisson 4
Interior gas struts film tube 32 and entered in the storeroom 1, and this depends primarily on the surface tension of film tube 32, therefore,
The material selection of film tube 32 is particularly important, in order to the work for meeting the natural fitting of film tube 32 with being softened by draught head
State, the material of film tube 32 can be natural emulsion, silica gel, polyurethane or polyurethane, after above material, can meet thin
Natural fitting and the working condition that is softened by draught head of membrane tube 32, meanwhile, film tube 32 can be made to thinner, and toughness
It is good, it is not easily broken.In order to ensure that film tube 32 can just be opened when the inner and outer air pressure difference of storeroom 1 reaches preset value, can incite somebody to action
Film tube 32 is surface-treated, to change the surface tension of film tube 32.
In order to which communicating pipe 31 easily assembles, as shown in figure 4, communicating pipe 31 includes inner tube 311 and outer tube 312, the He of inner tube 311
Outer tube 312 partly overlaps socket, and the mouth of pipe of communicating pipe 31 is located at the end of inner tube 311, and another mouth of pipe is located at outer tube 312
End.So, when installing communicating pipe 31, inner tube 311 and outer tube 312 can be loaded from compartment interior and outside respectively, then
It is assemblied together, convenient for assembly, after installing air pressure balance pipeline 3, refrigerating plant will be foamed into foamed process,
In order to prevent foamed material of the casing in foaming from entering communicating pipe 31, communicating pipe 31 is blocked, by inner tube 311 and the part of outer tube 312
Overlapping socket.
Communicating pipe 31 divides is assembled for two parts, its connect mode can have it is a variety of, for example, inner tube 311 and outer tube
312 are connected through a screw thread;Or inner tube 311 and outer tube 312 pass through buckle structure clamping.
In order to ensure that extraneous damp-heat air will not be entered in caisson 4, as shown in Fig. 2 the air inlet of caisson 4
Sealing ring 5 is provided between the outer spout of communicating pipe 31.Using sealing ring 5 by the air inlet of caisson 4 and communicating pipe 31
Outer spout junction seals, and air in caisson 4 is isolated from the outside, extraneous damp-heat air will not enter caisson 4
It is interior.
It should be noted that there have the implementation that air is isolated from the outside in caisson 4 to be a variety of, such as gas storage is filled
Put 4 be bonded with communicating pipe 31 or be integrally formed, can so ensure the sealing of caisson 4;Or by caisson 4 and communicating pipe
31 using threaded connection;Or by caisson 4 and communicating pipe 31 pass through buckle clamping.For comparing, it is bonded and is integrally formed
Mode make when it is cumbersome, the mode of threaded connection needs to rotate caisson when mounted, and space-consuming is larger, and
It is not easy to operate, the mode easy installation and removal of buckle clamping, set sealing ring 5 easy and effective come the method sealed in buckle,
It is easily achieved.
Refrigerating plant provided in an embodiment of the present invention, as shown in Fig. 2 caisson 4 can be made by hard material.Using hard
The impact resistant of caisson 4 that material makes, is hardly damaged, and its concrete shape can determine as needed, for example, such as Fig. 2
It is shown, in order to more effectively utilize the heat of refrigerating plant condenser pipe, caisson 4 is arranged to platy structure, can be tight
Refrigerating plant side wall is pasted, so, the gas in caisson 4 is larger by condenser pipe heating surface (area) (HS, increases air pressure in caisson 4
Add better.
, can be by the way of pasting or riveting in order to which caisson is fixed, but such mode is not easy to remove, to storage
The maintenance of device of air causes unnecessary trouble, and therefore, caisson 4 is fixed on by screw in the side wall of storeroom 1.With
The caisson 4 that screw is fixed, it is easy for installation, and can arbitrarily dismantle, convenient maintaining or replacing to caisson 4.
Refrigerating plant provided in an embodiment of the present invention, as shown in figure 5, caisson 4 is made by flexible material.Using flexibility
The caisson that material makes, the caisson made compared to hard material is in light weight, after inner air can discharge, bendable
Complications are folded, occupy little space, are easy to store and transport.Because caisson 4 is made using flexible material, itself and communicating pipe 31
Connected mode can be buckle clamping or threaded connection.Because caisson 4 uses flexible material to make, its own
Barrier propterty it is poor, therefore, as shown in figure 5, the outer cup of caisson 4 is provided with cover plate 6, cover plate 6 is fixed on the side of storeroom 1
On wall.Cover plate 6 can be fixed by screws in the side wall of storeroom 1, and protection caisson 4 will not damage because of collision.
Refrigerating plant provided in an embodiment of the present invention, the volume of caisson 4 is too small, may be insufficient to allow in storeroom 1
External pressure balances, and the volume of caisson 4 is too big, and space-consuming becomes big and adds the overall weight of refrigerating plant, makes
The material of caisson 4 is also relatively more, therefore, according to the volume size of usually refrigerating plant material storage room 1, sets gas storage to fill
The volume for putting 4 is 2~3 liters.It should be noted that the volume of caisson 4 be 2~3 liters, be for most of refrigerating plants come
Say, still, for the refrigerating plant that some reservoir volumes are larger, the volume of its caisson also should be larger, likewise, right
In the less refrigerating plant of some reservoir volumes, the volume of its caisson also should be smaller.
In order to further prevent compartment interior frosting, drier is provided with the gas flow path of air-pressure balancing device.This
Sample, the humidity of gas in storeroom 1 and caisson 4 can be effectively reduced, reduce the probability of compartment interior frosting, done
For drying prescription using being reused after replacing or drying can be taken out after a period of time, application method is simple and environmentally friendly.Drier can be put
Put inside compartment interior, or caisson, or inside air pressure balance pipeline.
On the other hand the embodiment of the present invention also provides a kind of refrigerating plant, reference picture 2 and Fig. 3, including storeroom 1 and use
In the door body 2 for opening or closing the storeroom 1, in addition to above-mentioned air-pressure balancing device.
Refrigerating plant provided in an embodiment of the present invention, due to there is provided air pressure balance pipeline 3, can be to storeroom 1 inside and outside
Air pressure is balanced, and caisson 4 seals with extraneous, by the gas inside the entrance storeroom 1 of air pressure balance pipeline 3 relatively
It is few, and be not extraneous damp-heat air, enter without bringing substantial amounts of damp-heat air into, internal frosting can be prevented, reduce system
The energy consumption of device for cooling.
Refrigerating plant provided in an embodiment of the present invention, other beneficial effects are same as the previously described embodiments, will not be repeated here.
The embodiment of the present invention is these are only, but protection scope of the present invention is not limited thereto, it is any to be familiar with
Those skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in should all be covered
Within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by the protection domain described in claim.
Claims (9)
1. a kind of air-pressure balancing device, it is characterised in that put down including the air pressure for balancing refrigerating plant storeroom inner and outer air pressure
Weigh pipeline, and is sealedly attached to the caisson of the closing of the air pressure balance pipeline external port, when in the caisson
Air pressure be more than air pressure in the storeroom and draught head is when reaching preset value, the gas in the caisson can be by institute
Air pressure balance pipeline is stated to enter in the storeroom;
The air pressure balance pipeline includes communicating pipe and the film tube being arranged in the communicating pipe, one end of the communicating pipe
Connected with the inside of the storeroom, the other end connects with the caisson, the both ends of the film tube for open mode and
It is tightly connected within one week with the inwall of the communicating pipe, the middle part inwall nature of the film tube is in fitting shape, when the storage
When the air pressure of Tibetan interior is identical with the air pressure in the caisson, the film tube can prevent the storage in the inwall of fitting shape
Indoor gas is hidden mutually to circulate with the gas in the caisson;When the air pressure in the caisson is more than the storage
When indoor air pressure and draught head reaches preset value, the gas in the caisson can strut the film tube in fitting shape
Inwall and enter the storeroom in.
2. air-pressure balancing device according to claim 1, it is characterised in that the outer wall of the caisson is thermally conductive, institute
The outer wall for stating caisson is bonded with side wall of the storeroom provided with condenser pipe, and the condenser pipe is arranged at the storeroom side
In the foaming layer of wall.
3. air-pressure balancing device according to claim 1, it is characterised in that the air inlet of the caisson and the company
Sealing ring is provided between the outer spout of siphunculus.
4. air-pressure balancing device according to claim 1 or 2, it is characterised in that the caisson is by hard material system
Make.
5. air-pressure balancing device according to claim 4, it is characterised in that the caisson is fixed on institute by screw
State in the side wall of storeroom.
6. air-pressure balancing device according to claim 1 or 2, it is characterised in that the caisson is by flexible material system
Make, the caisson outer cup is provided with cover plate, and the cover plate is fixed in the side wall of the storeroom.
7. air-pressure balancing device according to claim 1 or 2, it is characterised in that the volume of the caisson is 2~3
Rise.
8. air-pressure balancing device according to claim 1 or 2, it is characterised in that the gas stream of the air-pressure balancing device
Drier is provided with road.
9. a kind of refrigerating plant, including storeroom and the door body for opening or closing the storeroom, it is characterised in that
Also include air-pressure balancing device according to any one of claims 1 to 8.
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CN201610224956.9A CN105783381B (en) | 2016-04-11 | 2016-04-11 | A kind of air-pressure balancing device and refrigerating plant |
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CN201610224956.9A CN105783381B (en) | 2016-04-11 | 2016-04-11 | A kind of air-pressure balancing device and refrigerating plant |
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CN105783381B true CN105783381B (en) | 2018-03-30 |
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CN106907895A (en) * | 2017-04-18 | 2017-06-30 | 上海海洋大学 | A kind of New-style refrigeration house pressure balance window |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09269176A (en) * | 1996-03-29 | 1997-10-14 | Showa Alum Corp | Electric heater wiring mounting structure at body of inner and outer pressure equilibrating apparatus for refrigerator |
CN102645072A (en) * | 2012-05-16 | 2012-08-22 | 合肥美的荣事达电冰箱有限公司 | Air pressure balancing device and refrigeration equipment with same |
CN103925760A (en) * | 2014-03-28 | 2014-07-16 | 合肥华凌股份有限公司 | Refrigeration equipment |
CN205536877U (en) * | 2016-04-11 | 2016-08-31 | 海信容声(广东)冷柜有限公司 | Pressure balance device and refrigerating plant |
-
2016
- 2016-04-11 CN CN201610224956.9A patent/CN105783381B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09269176A (en) * | 1996-03-29 | 1997-10-14 | Showa Alum Corp | Electric heater wiring mounting structure at body of inner and outer pressure equilibrating apparatus for refrigerator |
CN102645072A (en) * | 2012-05-16 | 2012-08-22 | 合肥美的荣事达电冰箱有限公司 | Air pressure balancing device and refrigeration equipment with same |
CN103925760A (en) * | 2014-03-28 | 2014-07-16 | 合肥华凌股份有限公司 | Refrigeration equipment |
CN205536877U (en) * | 2016-04-11 | 2016-08-31 | 海信容声(广东)冷柜有限公司 | Pressure balance device and refrigerating plant |
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