CN106593819A - Gas suction pump assembly and cold storage and freezing device - Google Patents
Gas suction pump assembly and cold storage and freezing device Download PDFInfo
- Publication number
- CN106593819A CN106593819A CN201611097125.6A CN201611097125A CN106593819A CN 106593819 A CN106593819 A CN 106593819A CN 201611097125 A CN201611097125 A CN 201611097125A CN 106593819 A CN106593819 A CN 106593819A
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- China
- Prior art keywords
- controlled atmosphere
- body skeleton
- lower box
- box body
- space
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
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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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
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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
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
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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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- 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
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention relates to a gas suction pump assembly and a cold storage and freezing device. The gas suction pump assembly comprises an installing box and a gas suction pump; a containing space is defined in the installing box; at least part of the box wall of the installing box is made from a micro-porous silencing plate; the surface of the micro-porous silencing plate is provided with a plurality of silencing through holes; the gas suction pump is arranged in the installing box; and the micro-porous silencing plate is arranged to absorb noise generated by the gas suction pump when the gas suction pump runs. By means of the micro-porous silencing plate, the gas suction pump assembly reduces outward spreading of the noise when the gas suction pump runs.
Description
Technical field
The present invention relates to refrigerator storing technical field, more particularly to a kind of pumping pump group part and refrigerating device.
Background technology
With the raising of quality of the life, consumer requires the food fresh keeping of the refrigerating device such as refrigerator, refrigerator more next
It is higher.Controlled atmosphere technology refers in general manner atmosphere (the gas componant ratio by adjusting closing space residing for storage thing
Example or gas pressure) mode come extending the technology of shelf life of food products, its ultimate principle is：In certain closing space
It is interior, obtain being different from the atmosphere of normal air constituent by various regulative modes, to suppress to cause storage thing (usually to be eaten
Material) putrid and deteriorated physiological and biochemical procedure and microorganism activity.Especially, in this application, the controlled atmosphere for being discussed will
It is specifically designed in the controlled atmosphere technology being adjusted to gas component ratio.
Those skilled in the art know that normal air constituent includes (pressing volume percentage, hereafter together)：About 78%
Nitrogen, about 21% oxygen, about 0.939% rare gas (helium, neon, argon, krypton, xenon, radon), 0.031% carbon dioxide, with
And 0.03% other gases and impurity (for example, ozone, nitric oxide, nitrogen dioxide, vapor etc..In controlled atmosphere field,
The fresh-keeping gas atmosphere of rich nitrogen oxygen deprivation is obtained generally by the way of nitrogen-rich gas are filled with to closing space to reduce oxygen content
Enclose.Here, those skilled in the art know that nitrogen-rich gas refer to that nitrogen content exceedes nitrogen content in above-mentioned normal air
Gas, such as nitrogen content therein can be 95%～99%, even more high；And the fresh-keeping atmosphere of rich nitrogen oxygen deprivation refers to nitrogen
Gas content exceedes the gas atmosphere of nitrogen content, oxygen content less than oxygen content in above-mentioned normal air in above-mentioned normal air
Enclose.
Find fruit and vegetable in hypoxia water although the history of controlled atmosphere technology can trace back to German biologist in 1821
Metabolism can be reduced at ordinary times to start.But up to this point, because the equipment of making nitrogen volume for being conventionally used to controlled atmosphere is huge
Greatly, it is with high costs, cause the technology to be substantially also limited to using (the storage capacity one on various large-scale professional storages
As at least more than 30 tons).It can be said that being only possible to controlled atmosphere economically using which kind of appropriate gas regulation technology and related device
System compact, mute so as to suitable for family or personal user, are that controlled atmosphere art personnel thirst for solving always
But the technical barrier of the solution that fails all the time.
In addition, controlled atmosphere technology needs to extract out oxygen using air pump, but it is larger to be evacuated pump operation noise.Therefore,
Such as the technology is applied to into refrigerator, how to carry out noise reduction to air pump is also problem demanding prompt solution.
The content of the invention
One object of the present invention is intended to overcome at least one defect of prior art, there is provided one kind pumping pump group part, with
Reduce its operation noise outwards to propagate.
Another object of the present invention is to provide for a kind of refrigerating device for having used the pumping pump group part.
On the one hand, the invention provides a kind of pumping pump group part, it includes：
Mounting box, defines receiving space inside it, and its at least part of box wall is made using micropore acoustical panel, and micropore disappears
The surface of soundboard offers multiple noise reduction through holes；With
Air pump, it is arranged on inside mounting box；And
Micropore acoustical panel is configured to absorb the noise that air pump is produced when pump operation is evacuated.
Alternatively, the punching rate of micropore acoustical panel is between 8%～12%；And the diameter of noise reduction through hole 0.05mm～
Between 0.15mm.
Alternatively, micropore acoustical panel is made up of PP sheet materials；And the thickness of micropore acoustical panel is less than 0.1mm.
Alternatively, mounting box includes the lower box body with upper side opening；With the upper cartridge body with open lower side, its seal closure
Lower box body upside is buckled in, to cover upper side opening.
Alternatively, lower box body includes the lower box body skeleton of part of wall hollow out and is attached to the hollow out position of lower box body skeleton
Micropore acoustical panel；Upper cartridge body includes the upper cartridge body skeleton of part of wall hollow out and is attached to the hollow out position of upper cartridge body skeleton
Micropore acoustical panel；And upper cartridge body skeleton is connected to lower box body skeleton.
Alternatively, the bottom of lower box body skeleton is provided with multiple shock absorption footpads for supporting lower box body skeleton.
Alternatively, the rear portion bottom of upper cartridge body skeleton offers hole clipping, and the rear portion top of lower box body skeleton is provided with clamping
Projection, in the raised insertion hole clipping of clamping；And the front bottom end of upper cartridge body skeleton adopts screw with the top front of lower box body skeleton
It is fastenedly connected.
Alternatively, being evacuated pump group part also includes installation frame, its be arranged on mounting box inside and with the inwall of mounting box it
Between be provided with multiple vibration damping cushion blocks, air pump is fixed in installation frame.
On the other hand, the invention provides a kind of refrigerating device, including：
Casing, defines storage space and compressor bin in it, container for storing is provided with storage space, in container for storing
With controlled atmosphere space；
Controlled atmosphere membrane module, it has at least one controlled atmosphere film and an oxygen rich gas collecting chamber, and its surrounding space and controlled atmosphere
Fresh-keeping space connection, controlled atmosphere membrane module is arranged so that the oxygen in controlled atmosphere membrane module surrounding space air-flow relative to controlled atmosphere film group
Nitrogen in part surrounding space air-flow more enters oxygen rich gas collecting chamber through controlled atmosphere film；With
According to the pumping pump group part of any of the above item, it is arranged in compressor bin, and the inlet end of air pump is via pipeline
Connect with the oxygen rich gas collecting chamber of controlled atmosphere membrane module, the gas for penetrating oxygen rich gas collection intracavity is pumped to into container for storing
Outward.
Alternatively, controlled atmosphere membrane module also includes support frame, and it has the first surface and second surface being parallel to each other, and
It is formed with support frame and extends on the first surface respectively, extends on a second surface, and through support frame connecting
Multiple gas channels of first surface and second surface, multiple gas channels are collectively forming oxygen rich gas collecting chamber；And at least one
Individual controlled atmosphere film is two planar shaped controlled atmosphere films, is laid on respectively on the first surface and second surface of support frame.
In the pumping pump group part of the present invention, air pump is arranged on inside mounting box, and at least part of box wall of mounting box is adopted
Micropore acoustical panel is made, and according to microperforated panel sound absorption principle, the less micropore of diameter is opened up on thin plate can have preferably suction
Sound effective value.Therefore, noise when micropore acoustical panel can greatly reduce pumping pump operation is outwards propagated.
Further, in pumping pump group part of the invention, by the punching rate of micropore acoustical panel be arranged on 8%～12% it
Between, by the diameter of noise reduction through hole between 0.05mm～0.15mm, make micropore acoustical panel that there is preferable soundproof effect, while
Its radiating to mounting box will not be made to play too many adverse effect.
Further, in pumping pump group part of the invention, the rear portion bottom of upper cartridge body skeleton and the rear portion of lower box body skeleton
Top adopts screw by hole clipping and the raised connection of clamping, the front bottom end of upper cartridge body skeleton with the top front of lower box body skeleton
Be fastenedly connected, so make both connect fastening and disassembly process is very quick.
In addition, the refrigerating device of the present invention is because have controlled atmosphere membrane module and air pump, air pump can make controlled atmosphere film
The pressure of side is less than opposite side, so as to make that the gas atmosphere that rich nitrogen oxygen deprivation is beneficial to food fresh-keeping is formed in controlled atmosphere space
Enclose, the atmosphere reduces the intensity of fruit/vegetable aerobic breathing by the content of oxygen in reduction fruit and vegerable shelf space, while ensureing
The Repiration on basis, prevents fruit and vegerable from carrying out anaerobic respiration, so as to reach the purpose of fruit and vegerable long-period freshness preserving.
Further, in refrigerating device of the invention, air pump is arranged in compressor bin, without the need for additionally taking it
His space is particularly storage space, therefore will not increase the additional volumes of refrigerating device, can make the knot of refrigerating device
Structure is compact.
Further, refrigerating device of the invention is not only of good preservation effect, and to the rigid, strong of container for storing etc.
Degree require it is relatively low, realize require it is very low, then cost is also very low.And, solve controlled atmosphere art personnel and thirst for always
Solution but the above-mentioned technical barrier of the solution that fails all the time.Refrigerating device not only small volume, and noise is also very low, it is special
Shi Yongyu not family and personal use.
According to the detailed description below in conjunction with accompanying drawing to the specific embodiment of the invention, those skilled in the art will be brighter
Above-mentioned and other purposes, the advantages and features of the present invention.
Description of the drawings
Describe some specific embodiments of the present invention in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these
What accompanying drawing was not necessarily drawn to scale.In accompanying drawing：
Fig. 1 is the structural representation of pumping pump group part according to an embodiment of the invention；
Fig. 2 is the decomposing schematic representation of pumping pump group part shown in Fig. 1；
Fig. 3 is the fit structure schematic diagram of air pump and lower box body；
Fig. 4 is the partial structural diagram of micropore acoustical panel；
Fig. 5 is the schematic local structural graph of refrigerating device according to an embodiment of the invention；
Fig. 6 is the schematic diagram at another visual angle of structure shown in Fig. 5；
Fig. 7 is the schematic local structural graph of refrigerating device according to an embodiment of the invention；
Fig. 8 is the schematic, exploded of structure shown in Fig. 7；
Fig. 9 is the exploded view of controlled atmosphere membrane module in refrigerating device according to an embodiment of the invention.
Specific embodiment
Fig. 1 is the structural representation of pumping pump group part according to an embodiment of the invention；Fig. 2 is air pump shown in Fig. 1
The decomposing schematic representation of component；Fig. 3 is the fit structure schematic diagram of air pump and lower box body；Fig. 4 is the local knot of micropore acoustical panel
Structure schematic diagram.As shown in Figures 1 to 4, the invention provides a kind of pumping pump group part 10, can be applicable to the refrigeratings such as refrigerator dress
In putting, for the oxygen in a confined space to be extracted out, to create the fresh-keeping atmosphere of rich nitrogen oxygen deprivation.
Pumping pump group part 10 may include in general manner mounting box 200 and the air pump 300 being arranged on inside mounting box 200.
Wherein, the inside of mounting box 200 defines receiving space for accommodating air pump 300.Also, at least portion of mounting box 200
Point box wall is made using micropore acoustical panel 212,222.The surface of micropore acoustical panel 212,222 offers multiple noise reduction through holes
2122, can make micropore noise reduction that the noise of the generation of air pump 300 is absorbed when air pump 300 runs.
Specifically, micropore acoustical panel 212,222 is made up of PP sheet materials, and the thickness of micropore acoustical panel 212,222 is less than
0.1mm.Jing inventor tests, and (area of i.e. a certain region apertures accounts for the region area to the punching rate of micropore acoustical panel 212,222
Ratio) it is preferably provided between 8%～12%, more preferably 10%.The diameter of noise reduction through hole 2122 is preferably provided at 0.05mm
Between～0.15mm, more preferably 0.1mm.The effect that micropunch absorbs sound can not only so be realized, additionally it is possible to make noise reduction through hole
2122 can play certain radiating effect.
In certain embodiments, as shown in Fig. 2 mounting box 200 may include the lower box body 210 with upper side opening and have
The upper cartridge body 220 of open lower side.Upper cartridge body 220 its seal closure is buckled in the upside of lower box body 210, to cover upper side opening, so as in
Lower box body 210 limits the receiving space of air pump 300 jointly.
Specifically, lower box body 210 may include the lower box body skeleton 211 of part of wall hollow out and be attached to lower box body skeleton
The micropore acoustical panel 212 (can adopt and connect in the method for paste) at 211 hollow out position.Upper cartridge body 220 may include part of wall hollow out
Upper cartridge body skeleton 221 and be attached to upper cartridge body skeleton 221 hollow out position micropore acoustical panel 222 (can adopt paste
Mode connects).Upper cartridge body skeleton 221 is connected to lower box body skeleton 211.
Such as Fig. 2, other walls of lower box body skeleton 211 in addition to antetheca and rear wall are engraved structure, micropore acoustical panel
212 are bent to U-shape structure, are installed on lower box body skeleton 211, to cover its hollow out position.
Similarly, other walls of upper cartridge body skeleton 221 in addition to antetheca and rear wall are engraved structure, micropore acoustical panel
222 are bent to inverted U-shaped structure, are installed on upper cartridge body skeleton 221, to cover its hollow out position.
In certain embodiments, as depicted in figs. 1 and 2, the bottom of lower box body skeleton 211 can be provided with multiple for supporting
The shock absorption footpad 400 of lower box body skeleton 211, shock absorption footpad 400 is used to be contacted with ground (or other placed sides).Subtracted with being lifted
Vibration and noise effect.The bottom front of lower box body skeleton 211 and rear end outwardly two mounting legs 100, former and later two installations
Two shock absorption footpads 400 are each provided with leg 100.
In certain embodiments, as depicted in figs. 1 and 2, the rear portion bottom of upper cartridge body skeleton 221 can offer hole clipping 810,
The rear portion top of lower box body skeleton 211 is provided with clamping projection 820, and clamping raised 820 is inserted in hole clipping 810.Meanwhile, upper cartridge body
The front bottom end of skeleton 221 is fastenedly connected (such as Fig. 2, upper cartridge body skeleton with the top front of lower box body skeleton 211 using screw
221 front bottom end is provided with installation otic placode 610, and the top front of lower box body skeleton 211 is provided with installation otic placode 620, installs
Otic placode 610 and installation otic placode 620 are fastened using screw).So when upper cartridge body skeleton 221 is dismounted with lower box body skeleton 211, only
Screw need to be turned in front portion, greatly facilitate disassembling operations.
Such as Fig. 2, O-ring seal 230 is provided between upper cartridge body skeleton 221 and lower box body skeleton 211, with realize both it
Between sealing.
In certain embodiments, as depicted in figs. 1 and 2, the antetheca of upper cartridge body skeleton 221 can be embedded with connection mounting box
The air inlet pipe joint 510 and outlet pipe joint 520 of 200 interior or exterior spaces.Wherein, the inner of air inlet pipe joint 510 is taken out for connection
The air inlet pipe 310 of air pump 300.The inner of outlet pipe joint 520 is used to connect the escape pipe 320 of air pump 300.So facilitate
The connection of pipeline and the dismounting of air pump 300.In addition, the cable 330 of power supply or the communication of air pump 510 also can be by lower box
The through hole that body skeleton 211 is opened up is connected to outside mounting box 200.
In certain embodiments, as shown in figure 3, mounting box 200 is internally provided with an installation frame 240, installation frame
Multiple vibration damping cushion blocks are provided between 240 and the inwall of mounting box 200, air pump 300 is fixed on inside installation frame 240.Such as
This with mitigate air pump 300 run when vibration and noise.
Specifically, the bottom of installation frame 240 is provided with the vibration damping cushion block 217 of two central apertures, 217 sets of vibration damping cushion block
It is located in the locating dowel 215 of the diapire of lower box body skeleton 211.Both sides are arranged before and after installation frame 240 respectively circle
Vibration damping cushion block 219, it is fastened in the draw-in groove 216 before and after the inside of lower box body skeleton 211.The both lateral sides of installation frame 240 are each
Fix a vibration damping cushion block 218.Air pump 300 is anchored on installation in vibration damping cushion block 217, between 218,219 by screw
Framework 240.Thus, vibration when air pump 300 runs will be transferred to vibration damping cushion block 217,218,219 by installation frame 240,
To be buffered by it, vibration damping purpose is reached.
Another aspect of the present invention provides a kind of refrigerating device.Fig. 5 is cold preservation according to an embodiment of the invention
The schematic local structural graph of refrigerating plant；Fig. 6 is the schematic diagram at another visual angle of structure shown in Fig. 5；Fig. 7 is basis
The schematic local structural graph of the refrigerating device of one embodiment of the invention；Fig. 8 is the schematic exploded of structure shown in Fig. 7
Figure；Fig. 9 is the exploded view of controlled atmosphere membrane module in refrigerating device according to an embodiment of the invention.As Fig. 5 to Fig. 9 institute
Show, the refrigerating device of the embodiment of the present invention may include casing 80, door body, controlled atmosphere membrane module 30, aforesaid pumping pump group part
10 and refrigeration system.
Storage space 201 and compressor bin 13 are defined in casing 80.Door body is used to open or close storage space 201.
Further, it is provided with storage space 201 in container for storing, container for storing and there is controlled atmosphere space.Controlled atmosphere space
Can be hermetic type space or approximate hermetic type space.Preferably, container for storing is drawer appliance.Container for storing may include drawer cylinder
Body 20 and drawer body 28.Drawer cylinder 20 can have front to opening, and be arranged in storage space 201, specifically may be disposed at
The bottom of storage space 201.As one skilled in the art will recognize that, drawer cylinder 20 may also set up in storage space 201
Middle part or top.Drawer body 28 is slidably disposed in drawer cylinder 20, with can from the forward direction opening of drawer cylinder 20
Operatively outwards extract and be inwardly inserted into drawer cylinder 20 out.Drawer body 28 can have drawer end cap, and drawer end cap can be with drawer
The opening of cylinder 20 is engaged, to carry out the closed of controlled atmosphere space.In some substituting enforcement embodiments, container for storing
May include cylinder and be configured to open or close the little door body of cylinder.
Refrigeration system can be the cooling cycle system being made up of compressor, condenser, throttling arrangement and vaporizer etc..Compression
Machine is mountable in compressor bin 13.Vaporizer is configured to directly or indirectly provide cold into storage space 201.For example when
When the refrigerating device is domestic compression direct cooling refrigerator, vaporizer may be disposed at the inner side of casing 80.When the refrigerating
When device is domestic compression wind cooling refrigerator, also there is evaporator room in casing 80, evaporator room is by air path system and storing
Space 201 connects, and vaporizer is arranged in evaporator room, and exit is provided with blower fan, to be circulated system to storage space 201
It is cold.
Controlled atmosphere membrane module 30 has at least one controlled atmosphere film 31 and an oxygen rich gas collecting chamber, and its surrounding space and controlled atmosphere
Fresh-keeping space connection.The controlled atmosphere membrane module 30 may be arranged so that oxygen in the surrounding space air-flow of controlled atmosphere membrane module 30 relative to
Nitrogen in the surrounding space air-flow of controlled atmosphere membrane module 30 more enters oxygen rich gas collecting chamber through controlled atmosphere film 31.Specifically,
The inner surface of each controlled atmosphere film 31 towards oxygen rich gas collecting chamber, to be less than controlled atmosphere film group in the pressure of oxygen rich gas collecting chamber
During the pressure of the surrounding space of part 30, make controlled atmosphere membrane module 30 space outerpace air in oxygen relative to nitrogen therein
More enter oxygen rich gas collecting chamber through at least one controlled atmosphere film 31.
Pumping pump group part 10 may be disposed in compressor bin 13, and mounting leg 100 is arranged on compression by shock absorption footpad 400
On the diapire of cabin 13.The inlet end of air pump 300 is connected via pipeline 50 with the oxygen rich gas collecting chamber of controlled atmosphere membrane module 30,
So that the gas for penetrating oxygen rich gas collection intracavity is pumped to outside container for storing.
In this embodiment, air pump 300 is outwards evacuated, and the pressure that can make oxygen rich gas collecting chamber is less than controlled atmosphere membrane module
The pressure of 30 surrounding space, further, can be such that the oxygen in the surrounding space of controlled atmosphere membrane module 30 collects into oxygen rich gas
Chamber.Because controlled atmosphere space connects with the surrounding space of controlled atmosphere membrane module 30, the air in controlled atmosphere space can enter controlled atmosphere
The surrounding space of membrane module 30, therefore can also make the oxygen in the air in controlled atmosphere space enter oxygen rich gas collecting chamber, from
And the atmosphere that rich nitrogen oxygen deprivation is beneficial to food fresh-keeping is obtained in controlled atmosphere space.
The refrigerating device of the present invention can make to form the gas that rich nitrogen oxygen deprivation is beneficial to food fresh-keeping in controlled atmosphere space
Body atmosphere, the atmosphere reduces the intensity of fruit/vegetable aerobic breathing by the content of oxygen in reduction fruit and vegerable shelf space, while
Ensure the Repiration on basis, prevent fruit and vegerable from carrying out anaerobic respiration, so as to reach the purpose of fruit and vegerable long-period freshness preserving.And, the gas
Body atmosphere also has the gas such as substantial amounts of nitrogen, will not also reduce article in controlled atmosphere space by cold efficiency, fruit and vegerable can be made
Stored Deng effectively.Air pump 300 is arranged in compressor bin 13, can make full use of the space of compressor bin 13, is not additionally accounted for
With elsewhere, therefore the additional volumes of refrigerating device will not be increased, the compact conformation of refrigerating device can be made.And
It is relatively low to the rigid of the grade of casing 80, intensity requirement, realize that requirement is very low, then cost is also very low.The refrigerating device of the present invention
The above-mentioned technical barrier that controlled atmosphere art personnel thirst for always solution but the solution that fails all the time is solved well.
The refrigerating device not only small volume of the present invention, and noise is also very low, is particularly well-suited to family and personal use.
In some embodiments of the invention, multiple micropores, storage space 201 and controlled atmosphere can be offered on drawer cylinder 20
Fresh-keeping space is via multiple microporous connectivities.Micropore is also referred to as air equalizer opening, each micropore can be millimetre-sized micropore, example
Such as a diameter of 0.1mm to 3mm of each micropore, preferably 1mm, 1.5mm etc..Arranging multiple micropores can make in controlled atmosphere space
Pressure be unlikely to too low, the setting of multiple micropores will not also make the nitrogen in controlled atmosphere space to big storage space 201
Flowing, even if flowing is also that very little is even negligible, does not interfere with the preservation of food in controlled atmosphere space.At this
In some alternative embodiments of invention, micropore can be also not provided with drawer cylinder 20, even if so, controlled atmosphere also has in space
With the presence of gases such as substantial amounts of nitrogen, user when body 28 is pulled the drawer out, without too sweat, compared to existing vacuum
Material storage room, then can be significantly laborsaving.
In some embodiments of the invention, storage space 201 is refrigerating space, and its storage temperature is typically at 2 DEG C to 10
Between DEG C, 3 DEG C to 8 DEG C are preferably.Further, casing 80 can also limit reefer space 12 and alternating temperature space 27, and freezing is empty
Between 12 lower sections for being arranged at storage space 201, alternating temperature space 27 is arranged between reefer space 12 and refrigerating space.Reefer space
Temperature range in 12 is typically at -14 DEG C to -22 DEG C.Alternating temperature space 27 can be adjusted according to demand, to store suitable food
Thing.Compressor bin 24 is preferably provided at the back lower place of reefer space 12.In some alternate embodiments of the present invention, storing
Space 201 is alternatively reefer space or alternating temperature space, that is to say, that the temperature range of storage space 201 can be controlled in -14 DEG C
It is adjusted to -22 DEG C or according to demand.
In some embodiments of the invention, as shown in Figure 7 and Figure 8, controlled atmosphere membrane module 30 may be disposed at drawer cylinder 20
Barrel wall on.Controlled atmosphere membrane module 30 in plate, and preferably and can horizontally be arranged at the roof of drawer cylinder 20.Tool
Body ground, is provided with accommodating chamber 22 in the roof of drawer cylinder 20, with accommodating controlled atmosphere membrane module 30.For example, in drawer cylinder 20
At least one first passages 23 and the second passage are offered in wall between the accommodating chamber of roof and controlled atmosphere space
24.At least one first passages 23 are spaced apart with least one second passages 24, with respectively in diverse location connection receiving
Chamber and controlled atmosphere space.First passage 23 and the second passage 24 are aperture, and quantity can be multiple.Replace at some
For in property embodiment, the roof inner side of drawer cylinder 20 has recessed groove.Controlled atmosphere membrane module 30 is arranged at the top of drawer cylinder 20
In the recessed groove of wall.
Pipeline 50 may include vertical pipeline section.Vertically pipeline section is arranged at the rear of storage space 201, and the vertically lower end of pipeline section
With the inlet communication of air pump 300, the top of vertical pipeline section connects with the oxygen rich gas collecting chamber of controlled atmosphere membrane module 30.VERTICAL TUBE
Section can close on side shell and backboard in casing 80 and arrange, and muff or insulating tube can be set with vertical pipeline section, can prevent VERTICAL TUBE
Cold in section in oxygen is transferred to side shell and backboard, can prevent condensation.
In some embodiments of the invention, it is cold in order to promote controlled atmosphere space to flow with the gas in accommodating chamber 22
Hide refrigerating plant and may also include blower fan 60, blower fan 60 may be disposed at receiving intracavity, be configured to promote the gas in controlled atmosphere space
Accommodating chamber 22 is entered via the first passage 23, and makes the gas in accommodating chamber 22 enter controlled atmosphere via the second passage 24
Space.That is, blower fan 60 can promote the gas in controlled atmosphere space successively via at least one first passages 23, receiving
Chamber and at least one second passage 24 return to controlled atmosphere space.
Blower fan 60 is preferably centrifugal blower, is arranged in accommodating chamber 22 at first passage 23.That is, centrifugal blower
Positioned at the top of at least one first passages 23, and rotation axiss are straight down, and air inlet is right against the first passage 23.From
The gas outlet of heart-wind syndrome machine can be towards controlled atmosphere membrane module 30.Controlled atmosphere membrane module 30 is arranged at the top of at least one second passages 24
And each controlled atmosphere film of controlled atmosphere membrane module 30 is caused parallel to the roof of drawer cylinder 20.At least one first passages 23 are arranged
Anterior in roof, at least one second passages 24 are arranged at roof rear portion.That is, centrifugal blower is arranged at before accommodating chamber 22
Portion, controlled atmosphere membrane module 30 is arranged at the rear portion of accommodating chamber 22.Further, the roof of drawer cylinder 20 includes main board portion 25 and lid
Plate portion 26, is formed with depressed part in a regional area of main board portion 25, ceiling plate portion 26 is removably covered on depressed part, with shape
Into accommodating chamber 22.For the ease of the making of drawer cylinder 20, main board portion 25 can be with the side wall of drawer cylinder 20, diapire, rear wall one
It is body formed.
In some embodiments of the invention, as shown in figure 9, controlled atmosphere membrane module 30 can be in plate, the controlled atmosphere membrane module
30 may also include support frame 32.Controlled atmosphere film 31 can be two, the both sides of support frame 32 are installed on, so that two controlled atmosphere films 31
Oxygen rich gas collecting chamber is surrounded jointly with support frame 32.
Further, support frame 32 may include frame, the structure such as the floor being arranged in frame and/or flat board, floor
Between, gas channel can be formed between floor and flat board etc., can open up fluted on the surface of floor, on the surface of flat board,
To form gas channel.Floor and/or flat board can improve structural strength of controlled atmosphere membrane module 30 etc..That is, support frame
32 there is the first surface that is parallel to each other and being formed with second surface, and support frame 32 to extend on the first surface respectively,
Extend on a second surface, and through support frame 32 to connect multiple gas channels of first surface and second surface, it is many
Individual gas channel is collectively forming oxygen rich gas collecting chamber；At least one controlled atmosphere film 31 is two planar shaped controlled atmosphere films, is laid respectively
On the first surface and second surface of support frame 32.
In some embodiments of the invention, support frame 32 includes the pumping connected with aforementioned at least one gas channel
Hole 33, is arranged on frame, to allow oxygen rich gas collecting chamber in oxygen be output.Aspirating hole 33 is connected with air pump 300.
Aspirating hole 33 may be disposed on the long edge of frame, or be arranged in the short edge of frame, with setting according to controlled atmosphere membrane module 30
Put orientation or actual design demand is determined, for example, in the embodiment shown in Fig. 7 and Fig. 8, aspirating hole 33 may be disposed at side
On the long edge of frame.Controlled atmosphere film 31 first passes through double faced adhesive tape 34 and is installed on frame, is then sealed by fluid sealant 35.
In certain embodiments, support frame 32 may include frame, multiple first floors and multiple second floors.It is aforementioned
Multiple first floors are longitudinally spaced inside frame to be arranged and extends transversely, and a side surface of aforesaid plurality of first floor
Form first surface.Another side surface laterally spaced setting and edge longitudinal direction of multiple second floors in aforesaid plurality of first floor
Extend, and the side surface away from the first floor of aforesaid plurality of second floor forms second surface.The support frame of the present invention
32 inside its frame by arranging multiple first floors that are longitudinally spaced and extending transversely and in aforesaid plurality of first rib
One side surface of plate is laterally spaced and multiple second floors for extending longitudinally, so as on the one hand ensure that the company of gas channel
Coherence, on the other hand greatly reduces the volume of support frame 32, and significantly enhances the intensity of support frame 32.This
Outward, the said structure of support frame 32 ensure that controlled atmosphere film 31 is obtained in that enough supports, even if in oxygen rich gas collecting chamber
Also preferable flatness can be remained in the case that internal negative pressure is larger, it is ensured that the service life of controlled atmosphere membrane module 30.
In a further embodiment, aforesaid plurality of first floor may include：Multiple first narrow rib plates and multiple first wide
Floor.Plurality of first wide floor interval setting, between two neighboring first wide floor multiple first narrow rib plates are arranged.It is aforementioned
Multiple second floors may include：Multiple second narrow rib plates and multiple second wide floors, the multiple second wide floor interval settings are adjacent
Multiple second narrow rib plates are set between two the second wide floors.It should be readily apparent to one skilled in the art that " width " " narrow " herein is
Comparatively.
In certain embodiments, each first wide floor caves inward to be formed from its side surface for forming first surface
First groove；Each second wide floor from its formed second surface a side surface cave inward to form second groove, so as to
On the premise of ensureing the thickness very little (volume very little in other words) of support frame 32, the connection of its inner mesh structure is improve
Property.
In a further embodiment, the part surface away from first surface of each the first wide floor prolongs towards the second floor
Extend concordant with second surface, and cave inward to form the 3rd groove from the part surface concordant with second surface；3rd ditch
Groove connects to form crisscross grooves with the position that second groove is intersected.At least one second wide rib in aforesaid plurality of second wide floor
The part surface away from second surface of plate extends to concordant with first surface and certainly concordant with first surface towards the first floor
The part surface caves inward to form the 4th groove；Wherein the 4th groove connects to form cross with the position that first groove is intersected
Groove.In some embodiments of the invention, for the ease of the flowing of air-flow, as shown in figure 8, the inner surface of ceiling plate portion 26 can be to
Under extend multiple wind-guiding floors, to guide the air-flow from blower fan 60 to flow through controlled atmosphere membrane module 30 each controlled atmosphere accommodating intracavity
The outer surface away from oxygen rich gas collecting chamber of film 31.Multiple wind-guiding floors are divided into two groups, including first group of wind-guiding floor
The second group of wind-guiding floor arranged with regard to a plane symmetry with first group of wind-guiding floor.Every group of wind-guiding floor includes the first wind-guiding
Floor, at least one second wind-guiding floors and at least one the 3rd wind-guiding floors.Air-out of the first wind-guiding floor from centrifugal blower
Extend to the side of accommodating chamber at mouthful, and extend to a lateral outer side of controlled atmosphere membrane module 30.Each second wind-guiding floor sets
It is placed between two the first wind-guiding floors, and between controlled atmosphere membrane module 30 and centrifugal blower.Each the 3rd wind-guiding floor position
In a lateral outer side of controlled atmosphere membrane module 30, to guide air-flow to make air-flow enter controlled atmosphere from the both lateral sides of controlled atmosphere membrane module 30
Gap between membrane module 30 and the basal surface or top surface of accommodating chamber.
So far, although those skilled in the art will appreciate that detailed herein illustrate and describe multiple showing for the present invention
Example property embodiment, but, without departing from the spirit and scope of the present invention, still can be direct according to present disclosure
It is determined that or deriving many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all these other variations or modifications.
Claims (10)
1. it is a kind of to be evacuated pump group part, it is characterised in that to include：
Mounting box, defines receiving space inside it, and its at least part of box wall is made using micropore acoustical panel, and the micropore disappears
The surface of soundboard offers multiple noise reduction through holes；With
Air pump, it is arranged on inside the mounting box；And
The micropore acoustical panel is configured to absorb the noise that the air pump is produced in the pumping pump operation.
2. pumping pump group part according to claim 1, it is characterised in that
The punching rate of the micropore acoustical panel is between 8%～12%；And
The diameter of the noise reduction through hole is between 0.05mm～0.15mm.
3. pumping pump group part according to claim 1, it is characterised in that
The micropore acoustical panel is made up of PP sheet materials；And
The thickness of the micropore acoustical panel is less than 0.1mm.
4. pumping pump group part according to claim 1, it is characterised in that the mounting box includes：
Lower box body with upper side opening；With
Upper cartridge body with open lower side, its seal closure is buckled in the lower box body upside, to cover the upper side opening.
5. pumping pump group part according to claim 4, it is characterised in that
The lower box body includes the lower box body skeleton of part of wall hollow out and is attached to the hollow out position of the lower box body skeleton
Micropore acoustical panel；
The upper cartridge body includes the upper cartridge body skeleton of part of wall hollow out and is attached to the hollow out position of the upper cartridge body skeleton
Micropore acoustical panel；And
The upper cartridge body skeleton is connected to the lower box body skeleton.
6. pumping pump group part according to claim 5, it is characterised in that
The bottom of the lower box body skeleton is provided with multiple shock absorption footpads for supporting the lower box body skeleton.
7. pumping pump group part according to claim 5, it is characterised in that
The rear portion bottom of the upper cartridge body skeleton offers hole clipping, and it is convex that the rear portion top of the lower box body skeleton is provided with clamping
Rise, in the clamping raised insertion hole clipping；And
The front bottom end of the upper cartridge body skeleton is fastenedly connected with the top front of the lower box body skeleton using screw.
8. pumping pump group part according to claim 1, it is characterised in that also include：
Installation frame, it is arranged on the mounting box inside and multiple cushion blockings is provided with and the inwall of the mounting box between
Block, the air pump is fixed in the installation frame.
9. a kind of refrigerating device, it is characterised in that include：
Casing, defines storage space and compressor bin in it, container for storing is provided with the storage space, and the storing holds
There is controlled atmosphere space in device；
Controlled atmosphere membrane module, it has at least one controlled atmosphere film and an oxygen rich gas collecting chamber, and its surrounding space and the controlled atmosphere
The connection of fresh-keeping space, the controlled atmosphere membrane module be arranged so that the oxygen in the controlled atmosphere membrane module surrounding space air-flow relative to
Nitrogen in the controlled atmosphere membrane module surrounding space air-flow more enters the oxygen rich gas collecting chamber through the controlled atmosphere film；
With
Pumping pump group part according to any one of claim 1 to 8, it is arranged in the compressor bin, the pumping
The inlet end of pump is connected via pipeline with the oxygen rich gas collecting chamber of the controlled atmosphere membrane module, will penetrate the oxygen rich air
Body is collected the gas of intracavity and is pumped to outside the container for storing.
10. refrigerating device according to claim 9, it is characterised in that
The controlled atmosphere membrane module also includes support frame, and it has the first surface and second surface being parallel to each other, and described
It is formed with support frame frame and extends on the first surface respectively, extends on the second surface, and through the support
To connect multiple gas channels of the first surface and second surface, the plurality of gas channel is collectively forming the richness to framework
Carrier of oxygen collecting chamber；And
At least one controlled atmosphere film is two planar shaped controlled atmosphere films, and the first surface and the of the support frame is laid on respectively
On two surfaces.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611097125.6A CN106593819B (en) | 2016-12-02 | 2016-12-02 | Refrigerating device |
| PCT/CN2017/114193 WO2018099450A1 (en) | 2016-12-02 | 2017-12-01 | Air extracting pump assembly and refrigerating and freezing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611097125.6A CN106593819B (en) | 2016-12-02 | 2016-12-02 | Refrigerating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106593819A true CN106593819A (en) | 2017-04-26 |
| CN106593819B CN106593819B (en) | 2019-05-03 |
Family
ID=58596990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611097125.6A Active CN106593819B (en) | 2016-12-02 | 2016-12-02 | Refrigerating device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106593819B (en) |
| WO (1) | WO2018099450A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018099450A1 (en) * | 2016-12-02 | 2018-06-07 | 青岛海尔股份有限公司 | Air extracting pump assembly and refrigerating and freezing device |
| CN108253701A (en) * | 2017-12-11 | 2018-07-06 | 青岛海尔股份有限公司 | Vacuum subassembly and refrigerator with plate sound-insulation member |
| CN109708384A (en) * | 2018-11-16 | 2019-05-03 | 青岛海尔股份有限公司 | Air duct board and refrigerator with it |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004293827A (en) * | 2003-03-25 | 2004-10-21 | Toshiba Corp | Refrigerator |
| CN201199115Y (en) * | 2008-04-10 | 2009-02-25 | 河南新飞电器有限公司 | Refrigerator capable of reducing oxygen and regulating fresh-keeping |
| CN201218181Y (en) * | 2008-06-11 | 2009-04-08 | 汤建 | Miniature silencing air pump |
| CN101790645A (en) * | 2007-08-28 | 2010-07-28 | 威乐欧洲股份公司 | Rotary pump |
| CN202091149U (en) * | 2011-05-31 | 2011-12-28 | 深圳市顺速达科技有限公司 | Shockproof compressor device and oxygenerator |
| CN203454299U (en) * | 2013-08-26 | 2014-02-26 | 广东美的制冷设备有限公司 | Air conditioner outdoor unit with noise reduction device |
| CN204533077U (en) * | 2015-01-26 | 2015-08-05 | 深圳麦克维尔空调有限公司 | The fixed structure of air-conditioner set sheet metal part |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4872320A (en) * | 1987-12-11 | 1989-10-10 | Sanyo Electric Co., Ltd. | Refrigeration showcase |
| CN201251336Y (en) * | 2008-07-01 | 2009-06-03 | 河南新飞电器有限公司 | Membrane oxygen reducing and adjusting fresh keeping refrigerator |
| CN206290401U (en) * | 2016-12-02 | 2017-06-30 | 青岛海尔股份有限公司 | Pumping pump group part and refrigerating device |
| CN106593819B (en) * | 2016-12-02 | 2019-05-03 | 青岛海尔股份有限公司 | Refrigerating device |
-
2016
- 2016-12-02 CN CN201611097125.6A patent/CN106593819B/en active Active
-
2017
- 2017-12-01 WO PCT/CN2017/114193 patent/WO2018099450A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004293827A (en) * | 2003-03-25 | 2004-10-21 | Toshiba Corp | Refrigerator |
| CN101790645A (en) * | 2007-08-28 | 2010-07-28 | 威乐欧洲股份公司 | Rotary pump |
| CN201199115Y (en) * | 2008-04-10 | 2009-02-25 | 河南新飞电器有限公司 | Refrigerator capable of reducing oxygen and regulating fresh-keeping |
| CN201218181Y (en) * | 2008-06-11 | 2009-04-08 | 汤建 | Miniature silencing air pump |
| CN202091149U (en) * | 2011-05-31 | 2011-12-28 | 深圳市顺速达科技有限公司 | Shockproof compressor device and oxygenerator |
| CN203454299U (en) * | 2013-08-26 | 2014-02-26 | 广东美的制冷设备有限公司 | Air conditioner outdoor unit with noise reduction device |
| CN204533077U (en) * | 2015-01-26 | 2015-08-05 | 深圳麦克维尔空调有限公司 | The fixed structure of air-conditioner set sheet metal part |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018099450A1 (en) * | 2016-12-02 | 2018-06-07 | 青岛海尔股份有限公司 | Air extracting pump assembly and refrigerating and freezing device |
| CN108253701A (en) * | 2017-12-11 | 2018-07-06 | 青岛海尔股份有限公司 | Vacuum subassembly and refrigerator with plate sound-insulation member |
| WO2019114624A1 (en) * | 2017-12-11 | 2019-06-20 | 青岛海尔股份有限公司 | Refrigerator |
| CN108253701B (en) * | 2017-12-11 | 2020-05-26 | 青岛海尔股份有限公司 | Vacuum assembly with plate-shaped sound insulation member and refrigerator |
| US11668510B2 (en) | 2017-12-11 | 2023-06-06 | Qingdao Haier Co., Ltd. | Refrigerator |
| CN109708384A (en) * | 2018-11-16 | 2019-05-03 | 青岛海尔股份有限公司 | Air duct board and refrigerator with it |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018099450A1 (en) | 2018-06-07 |
| CN106593819B (en) | 2019-05-03 |
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