CN105783380B - 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
- CN105783380B CN105783380B CN201610224330.8A CN201610224330A CN105783380B CN 105783380 B CN105783380 B CN 105783380B CN 201610224330 A CN201610224330 A CN 201610224330A CN 105783380 B CN105783380 B CN 105783380B
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- pipe
- storeroom
- air
- balancing device
- core pipe
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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
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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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/04—Preventing the formation of frost or condensate
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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
- 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, be related to refrigeration technology field, be to solve in the prior art because equilibrium air pressure causes frosting inside refrigerating plant, the problem of energy consumption rises and invent.A kind of air-pressure balancing device, for balancing the air pressure inside and outside refrigerating plant storeroom, including the core pipe for connecting the communicating pipe inside and outside storeroom and being arranged in the communicating pipe, one end of the core pipe is used for the ft connection with the storeroom, the other end is closed, the side wall of the core pipe offers lateral stomata, the sidewall sheath of the core pipe is provided with elastic tube, the elastic tube can block the lateral stomata, air pressure outside the storeroom is more than internal air pressure, and inner and outer air pressure difference is when reaching preset value, gas outside the storeroom can drive the elastic tube by the lateral stomata top, and by entering between the side wall of the elastic tube and the core pipe in the storeroom.The inner and outer air pressure that the present invention is used for refrigerating plant is adjusted.
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 increases frequency or the time of evaporator defrosting, defrosting current one
As use electric energy mode, directly increase 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, for balancing the air pressure inside and outside refrigerating plant storeroom, including for connecting storeroom
Inside and outside communicating pipe and the core pipe being arranged in the communicating pipe, one end of the core pipe are used for the outside with the storeroom
Connection, other end closing, the side wall of the core pipe offer lateral stomata, and the sidewall sheath of the core pipe is provided with elastic tube, described
Elastic tube can block the lateral stomata, and the air pressure outside the storeroom is more than internal air pressure and inner and outer air pressure is poor
When reaching preset value, the gas outside the storeroom can drive the elastic tube by the lateral stomata top, and by the bullet
Property pipe and the core pipe side wall between enter the storeroom in.
Air-pressure balancing device provided in an embodiment of the present invention, due to there is provided the communicating pipe that will be connected inside and outside storeroom, with
And the core pipe in the communicating pipe is arranged at, core pipe is radially provided with lateral stomata, and elastic tube is arranged with core pipe, works as storage
When indoor and outdoor air pressure is identical, elastic tube blocks the lateral stomata in core pipe, prevents airflow inside and outside storeroom, refrigerating plant
Will not frosting, increase energy consumption；When air pressure outside storeroom reaches preset value more than internal air pressure and inner and outer air pressure difference,
Gas outside storeroom drives elastic tube by lateral stomata top, and by entering storeroom between elastic tube and the side wall of core pipe
It is interior, and then storeroom inside and outside air pressure balance is realized, the door body of refrigerating plant can be opened normally.Because storeroom inner and outer air pressure is poor
When reaching preset value, outside gas can just strut elastic tube and enter in the storeroom, and therefore, barometric control unit leads to
Road is that intermittence is made, and compared with prior art, extraneous hot-air will not be continued into storeroom, it is therefore prevented that refrigerating plant
Internal frosting, reduce 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 balancing device
Pressure is balanced, and the passage of barometric control unit is that intermittence is opened, and compared with prior art, extraneous hot-air will not be held
It is continuous to enter in storeroom, it is therefore prevented that frosting inside refrigerating plant, to reduce the energy consumption of refrigerating plant.
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 structural representation for the air-pressure balancing device that the embodiment of the present invention one provides；
Fig. 3 is the structural representation for the air-pressure balancing device that the embodiment of the present invention two provides；
Fig. 4 is the decomposition texture schematic diagram for the air-pressure balancing device that the embodiment of the present invention two provides；
Fig. 5 is the structural representation of refrigerating plant of the embodiment of the present invention；
Fig. 6 is the structural representation at refrigerating plant of the embodiment of the present invention back side；
Fig. 7 is that air-pressure balancing device is arranged on the structural representation in door body in refrigerating plant of the embodiment of the present invention.
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.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；It is right
For one of ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
A kind of air-pressure balancing device provided in an embodiment of the present invention, as shown in Fig. 2 for balancing in refrigerating plant storeroom
Outer air pressure, it is characterised in that including the core for connecting the communicating pipe 31 inside and outside storeroom 1 and being arranged in communicating pipe 31
Pipe 32, one end of core pipe 32 are used for the ft connection with storeroom 1, and other end closing, the side wall of core pipe 32 offers lateral gas
Hole 33, the sidewall sheath of core pipe 32 are provided with elastic tube 34, and elastic tube 34 can block lateral stomata 33, the gas outside storeroom 1
When pressure reaches preset value more than internal air pressure and inner and outer air pressure difference, the gas outside storeroom 1 can be opened by lateral stomata top
Elastic tube 34, and by entering between the side wall of elastic tube 34 and core pipe 32 in storeroom 1.
Air-pressure balancing device provided in an embodiment of the present invention, due to there is provided will the inside and outside connection of storeroom 1 communicating pipe 31,
And the core pipe 32 in communicating pipe 31 is arranged at, the radial direction of core pipe 32 is provided with lateral stomata 33, and is arranged in core pipe 32 flexible
Pipe 34, when the inner and outer air pressure of storeroom 1 is identical, elastic tube 34 blocks the lateral stomata 33 in core pipe 32, prevents in storeroom 1
Outer airflow, refrigerating plant will not frosting, increase energy consumption；Air pressure outside storeroom 1 is more than internal air pressure and inside and outside
When draught head reaches preset value, gas outside storeroom 1 drives elastic tube 34 by lateral stomata 33 top, and by elastic tube 34 with
Enter between the side wall of core pipe 32 in storeroom 1, and then realize the inside and outside air pressure balance of storeroom 1, the door body 2 of refrigerating plant can be with
It is normal to open.Because when the inner and outer air pressure difference of storeroom 1 reaches preset value, outside gas can just strut elastic tube 34 and enter storage
Hide in room 1, therefore, the passage of air-pressure balancing device 3 is that intermittence is made, and compared with prior art, extraneous hot-air will not
Continue into storeroom 1, it is therefore prevented that frosting inside refrigerating plant, 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.
Embodiment one
The air-pressure balancing device that the present embodiment provides, can be integrally formed core pipe 32 and communicating pipe 31, still, so elastic
The installation of pipe 34 is very inconvenient, and therefore, core pipe 32 and communicating pipe 31 are detachably connected.As shown in Fig. 2 core pipe 32 can be with connecting
Pipe 31 is threadedly coupled, or core pipe 32 is with passing through buckle structure clamping communicating pipe 31.
Lateral stomata 33 is blocked due to also needing to be arranged elastic tube 34 in core pipe 32, therefore, will for ease of realizing
Core pipe 32 was arranged in communicating pipe 31, as shown in Fig. 2 when core pipe was arranged in communicating pipe 31, can be by the lateral wall of core pipe 32
It is connected through a screw thread, so, first elastic tube 34 is placed in core pipe 32, and block lateral stomata with the madial wall of communicating pipe 31
33, then the core pipe 32 with elastic tube 34 was put into communicating pipe 31, and screwed with communicating pipe 31 by screw thread, gas can be completed
Press the assembling of bascule 3.
It should be noted that when core pipe 32 is used with elastic tube 34 and is threadedly coupled, for the ease of installation, as shown in Fig. 2
The blind end of core pipe 32 can be provided with the hexagonal structure for being easy to spanner to exert a force.When core pipe 32 is put into communicating pipe 31, due to communicating pipe
31 stop, human hand is relatively difficult when rotating core pipe 32, after hexagonal structure, it is possible to by die nut by core pipe
32 screw with communicating pipe.
In order to which communicating pipe 31 easily assembles, as shown in Fig. 2 communicating pipe 31 includes outer tube 311 and inner tube 312, outer tube 311
The outer end mouth of pipe is used for the ft connection with storeroom 1, and the inner mouth of pipe of outer tube 311 is used to connect with the inside of storeroom 1, outer tube
Inner tube 312 is removably connected with the 311 inner mouth of pipe, core pipe 32 is removably connected with the outer end mouth of pipe of outer tube 311.This
Sample, when installing communicating pipe 31, can first by core pipe 32 load with outer tube 311, and with being connected at the outer end mouth of pipe of outer tube 311,
Then it is convenient for assembly by inner tube 312 and outer tube 311 respectively from 1 inside and outside loading of storeroom, then be assemblied together.
The outer tube 311 of communicating pipe 31 is detachably connected with inner tube 312, its connect mode can have it is a variety of, for example, as scheme
Shown in 2, outer tube 311 and inner tube 312 are connected through a screw thread, or outer tube 311 and inner tube 312 pass through buckle structure clamping；Equally, core
The connection of pipe 32 and outer tube 311 can also be threaded connection as shown in Figure 2, or pass through buckle structure clamping.Comparatively speaking,
It is threadedly coupled stronger, and is hardly damaged.
In order to prevent blocking communicating pipe 31 into foreign matter in communicating pipe 31, as shown in Fig. 2 being used to communicating pipe 31 connect to store up
Hide the mouth of pipe (i.e. the mouth of pipe of outer tube 311) place outside room 1 and be provided with baffle plate 4, passage is offered on baffle plate 4.Set on baffle plate 4
Passage, it on the one hand can ensure that outside air can enter in communicating pipe 31, on the other hand can prevent external foreign matter from entering connection
Pipe 31 simultaneously occurs the problem of block communicating pipe 31.
When air pressure outside storeroom 1 reaches preset value more than internal air pressure and inner and outer air pressure difference, outside storeroom 1
The gas in portion drives elastic tube 34 by lateral stomata 33 top, and by entering storeroom 1 between the side wall of elastic tube 34 and core pipe 32
It is interior, if draught head is larger, there is the hidden danger for separating elastic tube 34 with core pipe 32, therefore, in order to avoid this risk, can incite somebody to action
Elastic tube 34 is fixed in core pipe 32 by pasting or riveting, although this way solves elastic tube 34 with core pipe 32 due to storage
Hide the inside and outside differential pressure of room 1 it is larger and the problem of separate, but elastic tube 34 and core pipe 32 are not easy to remove, be unfavorable for the later stage change it is elastic
Pipe 34, therefore, anti-skid structure can be provided with the wall outer surface of core pipe 32, increase the friction between core pipe 32 and elastic tube 34
Power, and then this risk can be avoided.
Specifically, anti-skid structure can be the multiple projections for the wall outer surface for being distributed in core pipe 32.Multiple projections are set, increased
Big frictional force between core pipe 32 and elastic tube 34.Certainly, anti-skid structure can flexibly be set, for example, surrounding the side of core pipe 32
Wall radially opens up gear in one week.
In order to further prevent compartment interior frosting, drier is provided with the gas flow path of air-pressure balancing device 3.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 balancing device.
Embodiment two
The air-pressure balancing device that the present embodiment provides, the difference with embodiment one are：As shown in figure 3, core pipe 32 is used to connect
Outward flange 321 is provided with the mouth of pipe outside logical storeroom 1, is provided with inward flange 313 at the inner mouth of pipe of communicating pipe 31, core pipe 32 connects
Be connected at the outer end mouth of pipe of communicating pipe 31, and the outer face of outward flange 321 and communicating pipe 31 against.Reference picture 3 and Fig. 4, pacifying
When filling air-pressure balancing device 3, first loaded to the mounting hole of air-pressure balancing device 3, inward flange from the inside of storeroom 1 communicating pipe 31
313 with the inwall of storeroom 1 against, then core pipe 32 is connected with communicating pipe 31 outside storeroom 1, the outward flange of core pipe 32 and
The outer face of communicating pipe 31 against.For comparing, core pipe 32 is filled by the mouth of pipe for being used to communicating pipe 31 connect outside storeroom 1
Enter in communicating pipe 31, do not have to communicating pipe 31 set inner tube, it is simple in construction, and install more convenient.
Because core pipe 32 is from the mouth of pipe loading for being used to communicating pipe 31 connect outside storeroom 1, and without setting inner tube, installation
Operate it is more convenient, therefore, can not have to set be easy to spanner exert a force hexagonal structure.Meanwhile baffle plate 4 may be provided in core pipe 32 close to storage
Hide on the mouth of pipe outside room 1, and passage is offered on baffle plate 4.
The mode that core pipe 32 and communicating pipe 31 connect can have it is a variety of, for example, as shown in Figures 2 and 3, core pipe 32 with connect
Pipe 31 is connected through a screw thread；Or core pipe 32 and communicating pipe 31 pass through buckle structure clamping.
In addition, can also set baffle plate in the present embodiment, the baffle plate clamping or can be threadedly connected to the core pipe 32
At the mouth of pipe.
The air-pressure balancing device that the present embodiment provides, other structures are identical with embodiment one, will not be repeated here.
The embodiment of the present invention on the other hand a kind of refrigerating plant is also provided, as shown in Figure 5 and Figure 6, including storeroom 1 and
For opening or closing the door body 2 of the storeroom, in addition to above-mentioned air-pressure balancing device 3.
Refrigerating plant provided in an embodiment of the present invention, due to there is provided air-pressure balancing device 3, can be to storeroom 1 inside and outside
Air pressure is balanced, and the passage of barometric control unit 3 is that intermittence is made, and compared with prior art, extraneous hot-air is not
It can continue into storeroom 1, it is therefore prevented that frosting inside refrigerating plant, reduce the energy consumption of refrigerating plant.
Installation site of the air-pressure balancing device 3 on refrigerating plant can flexibly be set, it is only necessary to be ensured inside and outside storeroom 1
Portion connects, still, higher generally proximate to the position temperature of door body 2 for the refrigerating plant of direct-cooling type, in regulation gas
During pressure, when the damp-heat air outside storeroom 1 enters internal, easily in entrance location frosting, if air-pressure balancing device 3 set
Put close to the position of the bottom of storeroom 1, not only frosting is serious and defrosting is more difficult, therefore, as shown in Figure 5 and Figure 6, can be by gas
Pressure bascule 3 is arranged in the side wall of storeroom 1 and set close to door body 2, reduces frost, and it is more convenient to defrost.Certainly,
In order to facilitate assembling and installing, air-pressure balancing device 3 can be arranged on the box-frame that refrigerating plant contacts with door body 2.Work as connection
Two mouths of pipe of pipe 31 are located in same side wall, and not in sustained height, in order to which two mouths of pipe are connected, can set communicating pipe 31
Bend pipe or inclined tube are set to, when two mouths of pipe of communicating pipe 31 are located in same side wall, and are located at sustained height, communicating pipe 31 can
Be arranged to straight tube, compare for, the distance of straight tube connection is most short, and then material requested is minimum, meanwhile, the communicating pipe 31 of straight tube
Easily make, and install more convenient during communicating pipe 31.
It should be noted that being located at the difference of the position on refrigerating plant according to the two of communicating pipe 31 mouths of pipe, can also incite somebody to action
It is fabricated to the pipeline of bending or knuckle communicating pipe 31.In order to not influence the outward appearance of refrigerating plant, the pipe outside storeroom 1 will be connected
Mouth is opened in the place that user is not readily apparent, for example, in refrigerating plant exterior lateral sides, the back side or compressor bin etc., so, when even
Communicating pipe 31 can be fabricated to bending or knuckle by two mouths of pipe of siphunculus 31 not in sustained height or not when in same side wall
Pipeline.
In order to more easily install air-pressure balancing device 3, as shown in fig. 7, air-pressure balancing device 3 is arranged at door body 2
On.Air-pressure balancing device 3 is arranged in door body 2, it is easier for installation.When air-pressure balancing device 3 is arranged in door body, such as
Shown in Fig. 7, communicating pipe 31 is bend pipe, and the mouth of pipe that communicating pipe 31 is used to connect inside storeroom 1 is located at the inner bag wall of door body 2,
The mouth of pipe that communicating pipe 31 is used to connect outside storeroom 1 is located at the side wall of the shell of door body 2.In order to not influence outward appearance, will connect
The mouth of pipe that pipe 31 is used to connect outside storeroom 1 is arranged on the side wall of the shell of door body 2, in order that communicating pipe 31 and storeroom 1
Inside connection, the mouth of pipe that communicating pipe 31 is used to connect inside storeroom 1 is arranged on inner door wall, so, can be used
Bend pipe connects two mouths of pipe, because the bearing of trend of two mouths of pipe is orthogonal, it is therefore preferred that using the curved of 90 ° of knuckle
Pipe.
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 (12)
1. a kind of air-pressure balancing device, for balancing the air pressure inside and outside refrigerating plant storeroom, it is characterised in that including for even
The communicating pipe led to inside and outside storeroom and the core pipe being arranged in the communicating pipe, one end of the core pipe is used for and the storage
The ft connection of room, other end closing, the side wall of the core pipe offer lateral stomata, and the sidewall sheath of the core pipe is provided with elasticity
Pipe, the elastic tube can will the lateral stomata closure, the air pressure outside the storeroom is more than the air pressure of inside and inside and outside
When draught head reaches preset value, gas outside the storeroom can drive the elastic tube by the lateral stomata top, and by
Enter between the side wall of the elastic tube and the core pipe in the storeroom.
2. air-pressure balancing device according to claim 1, it is characterised in that the core pipe detachably connects with the communicating pipe
Connect.
3. air-pressure balancing device according to claim 2, it is characterised in that the lateral wall of the core pipe and the communicating pipe
Madial wall be connected through a screw thread.
4. the air-pressure balancing device according to Claims 2 or 3, it is characterised in that the core pipe is used to connect outside storeroom
Outward flange is provided with the mouth of pipe in portion, is provided with inward flange at the inner mouth of pipe of the communicating pipe, the core pipe is connected to the connection
At the outer end mouth of pipe of pipe, and the outer face of the outward flange and the communicating pipe against.
5. the air-pressure balancing device according to Claims 2 or 3, it is characterised in that the communicating pipe includes outer tube and inner tube,
The outer end mouth of pipe of the outer tube is used for the ft connection with storeroom, and the inner mouth of pipe of the outer tube is used for the inside with storeroom
Connect, be removably connected with said inner tube at the inner mouth of pipe of the outer tube, be detachably connected at the outer end mouth of pipe of the outer tube
There is the core pipe.
6. air-pressure balancing device according to claim 5, it is characterised in that said inner tube and outer tube be connected through a screw thread or
Clamping.
7. air-pressure balancing device according to claim 1, it is characterised in that be used to the communicating pipe connect outside storeroom
Port at be provided with baffle plate, offer passage on the baffle plate.
8. air-pressure balancing device according to claim 1, it is characterised in that the wall outer surface of the core pipe is provided with anti-skidding
Structure.
9. air-pressure balancing device according to claim 8, it is characterised in that the anti-skid structure is to be distributed in the core pipe
Wall outer surface multiple projections.
10. a kind of refrigerating plant, including storeroom and the door body for opening or closing the storeroom, its feature exist
In, in addition to air-pressure balancing device according to any one of claims 1 to 9.
11. refrigerating plant according to claim 10, it is characterised in that the air-pressure balancing device is arranged at the storage
Set in the side wall of room and close to the door body, the communicating pipe is straight tube and two mouths of pipe of the communicating pipe are located at same height
Degree.
12. refrigerating plant according to claim 10, it is characterised in that the air-pressure balancing device is arranged at the door body
On, the communicating pipe is bend pipe, and the mouth of pipe for being used to connect compartment interior the communicating pipe is located at the inner door wall,
The mouth of pipe that the communicating pipe is used to connect outside storeroom is located at the side wall of the outer shell of the door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610224330.8A CN105783380B (en) | 2016-04-11 | 2016-04-11 | A kind of air-pressure balancing device and refrigerating plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610224330.8A CN105783380B (en) | 2016-04-11 | 2016-04-11 | A kind of air-pressure balancing device and refrigerating plant |
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| Publication Number | Publication Date |
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| CN105783380A CN105783380A (en) | 2016-07-20 |
| CN105783380B true CN105783380B (en) | 2018-03-30 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109690212B (en) * | 2016-09-12 | 2020-11-27 | 普和希控股公司 | Negative pressure relief port and refrigeration device |
| CN111829127B (en) * | 2020-07-23 | 2021-08-31 | 薛勇 | Self-adaptation negative pressure ward that negative feedback formula was adjusted |
| CN115468359B (en) * | 2021-06-11 | 2024-03-15 | 青岛海尔特种电冰柜有限公司 | Air pressure balance valve and refrigerator with same |
| CN117128347B (en) * | 2023-10-26 | 2024-01-12 | 佛山市顺德区西科电器有限公司 | Air pressure balance valve and refrigerator |
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| CN204254963U (en) * | 2014-11-25 | 2015-04-08 | 浙江星星家电股份有限公司 | A kind of air-breather of refrigerator |
| CN205580076U (en) * | 2016-04-11 | 2016-09-14 | 海信容声(广东)冷柜有限公司 | Pressure balance device and refrigerating plant |
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| CN103673469A (en) * | 2012-09-26 | 2014-03-26 | 海尔集团公司 | Freezer |
| CN103411376A (en) * | 2013-08-29 | 2013-11-27 | 合肥华凌股份有限公司 | Refrigeration equipment |
| CN203586665U (en) * | 2013-12-14 | 2014-05-07 | 广东奥马电器股份有限公司 | Device for balancing internal and external pressures of refrigerator and refrigerator |
| CN103925760A (en) * | 2014-03-28 | 2014-07-16 | 合肥华凌股份有限公司 | Refrigeration equipment |
| CN104110927A (en) * | 2014-05-23 | 2014-10-22 | 青岛澳柯玛超低温冷冻设备有限公司 | Frosting-proof air pressure balance structure on low-temperature equipment |
| CN203980776U (en) * | 2014-05-23 | 2014-12-03 | 青岛澳柯玛超低温冷冻设备有限公司 | For the air pressure balance structure of antifrost in Cryo Equipment |
| CN204254963U (en) * | 2014-11-25 | 2015-04-08 | 浙江星星家电股份有限公司 | A kind of air-breather of refrigerator |
| CN205580076U (en) * | 2016-04-11 | 2016-09-14 | 海信容声(广东)冷柜有限公司 | Pressure balance device and refrigerating plant |
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|---|---|
| CN105783380A (en) | 2016-07-20 |
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