WO2018099450A1 - Ensemble pompe d'extraction d'air et dispositif de réfrigération et de congélation - Google Patents

Ensemble pompe d'extraction d'air et dispositif de réfrigération et de congélation Download PDF

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Publication number
WO2018099450A1
WO2018099450A1 PCT/CN2017/114193 CN2017114193W WO2018099450A1 WO 2018099450 A1 WO2018099450 A1 WO 2018099450A1 CN 2017114193 W CN2017114193 W CN 2017114193W WO 2018099450 A1 WO2018099450 A1 WO 2018099450A1
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WO
WIPO (PCT)
Prior art keywords
air pump
gas
air
oxygen
skeleton
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Application number
PCT/CN2017/114193
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English (en)
Chinese (zh)
Inventor
夏恩品
张�浩
何国顺
王胜飞
朱小兵
Original Assignee
青岛海尔股份有限公司
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Publication of WO2018099450A1 publication Critical patent/WO2018099450A1/fr

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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
    • 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
    • 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
    • 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
    • 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
    • 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

Definitions

  • the invention relates to the technical field of refrigerator storage, in particular to an air pump assembly and a refrigerating and freezing device.
  • the modified atmosphere preservation technology generally refers to a technique for prolonging the storage life of a food by adjusting the gas atmosphere (gas composition ratio or gas pressure) of the enclosed space in which the storage is located, and the basic principle is: in a certain closed space.
  • a gas atmosphere different from the normal air component is obtained by various adjustment methods to suppress physiological and biochemical processes and microbial activities leading to spoilage of the stored matter (usually the foodstuff).
  • the modified atmosphere preservation will be specifically directed to a modified atmosphere preservation technique that adjusts the proportion of gas components.
  • normal air components include (by volume percent, hereinafter the same): about 78% nitrogen, about 21% oxygen, about 0.939% rare gases ( ⁇ , ⁇ , argon, krypton, xenon, ⁇ ), 0.031% of carbon dioxide, and 0.03% of other gases and impurities (for example, ozone, nitrogen monoxide, nitrogen dioxide, water vapor, etc..
  • gases and impurities for example, ozone, nitrogen monoxide, nitrogen dioxide, water vapor, etc.
  • the nitrogen-enriched gas refers to a gas having a nitrogen content exceeding the nitrogen content in the above-mentioned normal air, for example, the nitrogen content may be 95. % to 99%, or even higher; and the nitrogen-rich and oxygen-poor fresh gas atmosphere refers to a gas atmosphere in which the nitrogen content exceeds the above-mentioned normal air nitrogen content and the oxygen content is lower than the oxygen content in the above-mentioned normal air.
  • modified atmosphere preservation technology dates back to 1821 when German biologists discovered that fruits and vegetables could reduce metabolism at low oxygen levels. But until now, due to the large size and high cost of nitrogen-making equipment traditionally used for gas-conditioning preservation, the technology is basically limited to use in various large-scale professional storage (the storage capacity is generally at least 30 tons). . It can be said that the appropriate gas regulation technology and corresponding equipment can economically reduce and quiet the air-conditioning system, making it suitable for home or individual users. It is a constant desire of technicians in the field of atmosphere preservation and preservation. A technical problem that can be successfully solved.
  • the modified atmosphere preservation technology needs to use an air pump to pump out oxygen, but the pump has a relatively high noise operation. Therefore, if the technology is applied to a refrigerator, how to reduce the noise of the air pump is also an urgent problem to be solved.
  • Another object of the present invention is to provide a refrigerating and freezing apparatus using the air pump assembly.
  • the invention provides an air pump assembly that includes:
  • the mounting box has an accommodation space defined therein, and at least part of the box wall is made of a micro-hole silencer, and the micro-hole silencer a plurality of silencing through holes are formed in the surface of the board;
  • An air pump which is disposed inside the mounting box;
  • the micro-hole silencer is configured to absorb the noise generated by the pump when the pump is running.
  • the perforation rate of the microporous sound absorbing plate is between 8% and 12%; and the diameter of the sound absorbing through hole is between 0.05 mm and 0.15 mm.
  • the micro-hole silencer plate is made of PP sheet material; and the micro-hole silencer plate has a thickness of less than 0.1 mm.
  • the mounting box includes a lower case having an upper side opening; and an upper case having a lower side opening, the sealing cover being fastened on the upper side of the lower case to cover the upper side opening.
  • the lower case body comprises a partial wall hollowed lower case skeleton and a micro-hole silencer plate attached to the hollow portion of the lower case body skeleton;
  • the upper case body comprises a partial wall hollowed upper case skeleton and is attached to the upper case a micro-hole silencer plate of the hollow portion of the body skeleton; and the upper box skeleton is connected to the lower case skeleton.
  • a plurality of damping pads for supporting the lower casing skeleton are mounted on the bottom of the lower casing skeleton.
  • the bottom end of the upper casing skeleton is provided with a card hole
  • the rear end of the lower casing skeleton is provided with a holding protrusion, and the clamping protrusion is inserted into the card hole; and the front part of the upper casing skeleton The bottom end is screwed to the front end of the lower case skeleton.
  • the air pump assembly further includes a mounting frame disposed inside the mounting box and disposed between the inner wall of the mounting box and a plurality of damping blocks, and the air pump is fixed in the mounting frame.
  • the present invention provides a refrigerating and freezing apparatus comprising:
  • a tank body defining a storage space and a compressor compartment therein, wherein the storage space is provided with a storage container, and the storage container has a gas-conditioning space;
  • a gas regulating membrane module having at least one gas regulating membrane and an oxygen-rich gas collecting chamber, wherein a surrounding space is in communication with the modified atmosphere, the gas regulating membrane module being configured such that oxygen in the space flow around the gas regulating membrane module is relative to Nitrogen in the airflow around the air-conditioning membrane module passes through the gas-regulating membrane into the oxygen-rich gas collection chamber;
  • the air conditioning membrane module further includes a support frame having first and second surfaces parallel to each other, and the support frame is formed with a first extension on the first surface, a second surface, and a through support
  • the frame is configured to connect the plurality of airflow channels of the first surface and the second surface, and the plurality of airflow channels jointly form an oxygen-rich gas collecting chamber; and the at least one gas regulating film is two planar air-conditioning membranes respectively laid on the support frame On a surface and a second surface.
  • the air pump is disposed inside the mounting box, and at least part of the wall of the mounting box is made of a micro-hole silencer.
  • the micro-hole silencer plate can greatly reduce the noise propagation of the pump when it is running.
  • the perforation rate of the microporous sound absorbing plate is set between 8% and 12%, and the diameter of the sound absorbing through hole is between 0.05 mm and 0.15 mm, so that the microporous sound absorbing plate has Better sound insulation, not at the same time It will have too much adverse effect on the heat dissipation of the mounting box.
  • the rear bottom end of the upper casing skeleton and the rear top end of the lower casing skeleton are connected by a card hole and a catching protrusion, and the front bottom end and the lower side of the upper casing skeleton The front end of the box skeleton is screwed, so that the two are fastened and the disassembly process is very fast.
  • the refrigerating and freezing device of the present invention has a gas regulating membrane module and an air pump, and the air pump can make the pressure on one side of the air conditioning membrane smaller than the other side, so that nitrogen-rich oxygen is formed in the atmosphere of the modified atmosphere to facilitate food.
  • the fresh gas atmosphere reduces the oxygen content of the fruit and vegetable storage space, reduces the aerobic respiration of fruits and vegetables, ensures the basic respiration, and prevents the anaerobic respiration of fruits and vegetables, thereby achieving the long-term preservation of fruits and vegetables.
  • the air pump is disposed in the compressor chamber without additionally occupying other space, particularly the storage space, so that the extra volume of the refrigerating and freezing device is not increased, and the structure of the refrigerating and freezing device can be compact.
  • the refrigerating and freezing apparatus of the present invention not only has a good fresh-keeping effect, but also has low rigidity and strength requirements for a storage container or the like, and has low requirements, and the cost is also low. Moreover, the above technical problems that the technicians in the field of modified atmosphere preservation have been eager to solve but have not been successfully solved have been solved. Refrigerated and refrigerated units are not only small in size but also low in noise, making them especially suitable for home and personal use.
  • FIG. 1 is a schematic structural view of an air pump assembly according to an embodiment of the present invention.
  • Figure 2 is an exploded perspective view of the air pump assembly of Figure 1;
  • Figure 3 is a schematic view showing the cooperation structure of the air pump and the lower case
  • Figure 4 is a partial structural schematic view of a microporous sound absorbing panel
  • Figure 5 is a schematic partial structural view of a refrigerating and freezing apparatus according to an embodiment of the present invention.
  • Figure 6 is a schematic structural view of another perspective of the structure shown in Figure 5;
  • Figure 7 is a schematic partial structural view of a refrigerating and freezing apparatus according to an embodiment of the present invention.
  • Figure 8 is a schematic exploded view of the structure shown in Figure 7;
  • FIG. 9 is an exploded view of a gas regulating membrane module in a refrigerating and freezing apparatus according to an embodiment of the present invention.
  • FIG. 1 is a schematic structural view of an air pump assembly according to an embodiment of the present invention
  • FIG. 2 is an exploded perspective view of the air pump assembly of FIG. 1
  • FIG. 3 is a schematic view of a matching structure of the air pump and the lower case
  • Local structure of the muffler schematic diagram As shown in FIG. 1 to FIG. 4, the present invention provides an air pump assembly 10 which can be applied to a refrigerating and freezing device such as a refrigerator for extracting oxygen in a sealed space to create a nitrogen-rich and oxygen-poor fresh gas. Atmosphere.
  • a refrigerating and freezing device such as a refrigerator for extracting oxygen in a sealed space to create a nitrogen-rich and oxygen-poor fresh gas. Atmosphere.
  • the air pump assembly 10 can generally include a mounting box 200 and an air pump 300 disposed inside the mounting box 200.
  • the inside of the mounting box 200 defines an accommodation space for accommodating the air pump 300.
  • at least a portion of the wall of the mounting box 200 is made of micro-hole silencers 212, 222.
  • the surface of the micro-hole silencer plates 212, 222 is provided with a plurality of silencing through holes 2122 to enable the micro-hole silencer to absorb the noise generated by the air pump 300 when the air pump 300 is operated.
  • the micro-hole silencer plates 212, 222 are made of PP sheet material, and the thickness of the micro-hole silencer plates 212, 222 is less than 0.1 mm.
  • the perforation rate of the micro-hole silencer plates 212, 222 (i.e., the ratio of the area of the hole in a certain area to the area of the area) is preferably set between 8% and 12%, more preferably 10%.
  • the diameter of the silencing through hole 2122 is preferably set to be between 0.05 mm and 0.15 mm, and more preferably 0.1 mm. In this way, not only the effect of micro-perforation sound absorption but also the sound-dissipating through-hole 2122 can be achieved.
  • the mounting box 200 can include a lower case 210 having an upper side opening and an upper case 220 having a lower side opening.
  • the upper case 220 has its sealing cover fastened on the upper side of the lower case 210 to open the upper side of the cover, thereby jointly defining the accommodation space of the air pump 300 in the lower case 210.
  • the lower case 210 may include a lower case skeleton 211 partially hollowed out and a micro-hole silencer plate 212 attached to the hollow portion of the lower case skeleton 211 (which may be connected by a paste).
  • the upper casing 220 may include an upper casing skeleton 221 partially hollowed out and a micro-hole silencer plate 222 attached to the hollow portion of the upper casing skeleton 221 (which may be connected by a paste).
  • the upper casing skeleton 221 is coupled to the lower casing skeleton 211.
  • the other wall surfaces of the lower casing skeleton 211 except the front wall and the rear wall are hollow structures, and the micro-hole silencer plate 212 is bent into a U-shaped structure and is mounted on the lower casing skeleton 211 to cover the hollow. Part.
  • the upper wall of the upper casing 221 except the front wall and the rear wall is hollowed out, and the micro-hole silencer plate 222 is bent into an inverted U-shaped structure and is mounted on the upper casing 221 to cover the hollow. Part.
  • the bottom of the lower case skeleton 211 may be mounted with a plurality of vibration-damping pads 400 for supporting the lower case skeleton 211, and the vibration-damping pads 400 are used for Ground (or other placement surface) contact. To improve the vibration and noise reduction effect.
  • the bottom front end and the rear end of the lower casing skeleton 211 protrude outwardly from the two mounting legs 100, and the two front and rear mounting legs 100 are provided with two damping feet 400.
  • the rear bottom end of the upper casing skeleton 221 may be provided with a card hole 810, and the rear top end of the lower casing skeleton 211 is provided with a locking protrusion 820.
  • the holding protrusion 820 is inserted into the card hole 810.
  • the front bottom end of the upper casing skeleton 221 and the front end of the lower casing skeleton 211 are screw-fastened (as shown in FIG.
  • the front bottom end of the upper casing skeleton 221 is provided with a mounting ear plate 610
  • the front end of the box skeleton 211 is provided with a mounting ear plate 620
  • the mounting ear plate 610 and the mounting ear plate 620 are screwed).
  • an O-ring 230 is disposed between the upper casing skeleton 221 and the lower casing skeleton 211 to achieve a seal therebetween.
  • the front wall of the upper casing skeleton 221 may be embedded with an intake pipe joint 510 and an air outlet pipe joint 520 that communicate with the inner and outer spaces of the mounting box 200.
  • the inner end of the intake pipe joint 510 is used to connect the intake pipe 310 of the air pump 300.
  • the inner end of the air outlet pipe joint 520 is for connecting the air outlet pipe 320 of the air pump 300. This facilitates the connection of the pipeline and the disassembly and assembly of the air pump 300.
  • the cable 330 for power supply or communication of the air pump 510 can also be connected to the outside of the mounting box 200 through a through hole opened in the lower case skeleton 211.
  • the mounting box 200 is internally provided with a mounting frame 240.
  • a plurality of damping blocks are disposed between the mounting frame 240 and the inner wall of the mounting box 200, and the air pump 300 is fixed to the mounting frame. 240 internal. This is to reduce the vibration and noise of the air pump 300 during operation.
  • the bottom of the mounting frame 240 is provided with two intermediate opening vibration damping blocks 217, and the vibration damping blocks 217 are sleeved on the positioning posts 215 of the bottom wall of the lower casing skeleton 211.
  • the front and rear sides of the mounting frame 240 are provided with a circular damping pad 219, which is inserted into the front and rear slots 216 of the lower casing skeleton 211.
  • a damping pad 218 is fixed to each of the lateral sides of the mounting frame 240.
  • the air pump 300 is between the vibration damping pads 217, 218, 219 and is fastened to the mounting frame 240 by screws. As such, the vibration of the air pump 300 during operation will be transmitted to the vibration damping blocks 217, 218, 219 through the mounting frame 240 to be buffered for vibration damping purposes.
  • FIGS. 5 to 9 the refrigerating and freezing apparatus according to the embodiment of the present invention may include a casing 80, a door body, a gas regulating membrane module 30, the aforementioned air pumping unit 10, and a refrigeration system.
  • a storage space 201 and a compressor compartment 13 are defined in the casing 80.
  • the door body is used to open or close the storage space 201.
  • a storage container is disposed in the storage space 201, and the storage container has a modified atmosphere.
  • the atmosphere fresh-keeping space can be a closed space or an approximately closed space.
  • the storage container is a drawer assembly.
  • the storage container can include a drawer body 20 and a drawer body 28.
  • the drawer cylinder 20 may have a forward opening and is disposed in the storage space 201, and may be specifically disposed at a lower portion of the storage space 201.
  • the drawer body 20 can also be disposed in the middle or upper portion of the storage space 201.
  • the drawer body 28 is slidably disposed in the drawer cylinder 20 to open from the front of the drawer cylinder 20
  • the drawer body 20 is operatively extracted outwardly and inwardly.
  • the drawer body 28 can have a drawer end cover that can cooperate with the opening of the drawer cylinder 20 to seal the air conditioning space.
  • the storage container can include a barrel and a small door configured to open or close the barrel.
  • the refrigeration system may be a refrigeration cycle system composed of a compressor, a condenser, a throttle device, and an evaporator.
  • the compressor can be installed in the compressor compartment 13.
  • the evaporator is configured to provide cooling directly or indirectly into the storage space 201.
  • the refrigerating and freezing device is a domestic compression type direct cooling refrigerator, the evaporator may be disposed inside the casing 80.
  • the casing 80 When the refrigerating and freezing device is a domestic compression air-cooled refrigerator, the casing 80 further has an evaporator chamber therein, and the evaporator chamber communicates with the storage space 201 through the air passage system, and an evaporator is arranged in the evaporator chamber, and the outlet is provided with The fan is circulated and cooled to the storage space 201.
  • the gas regulating membrane module 30 has at least one gas regulating membrane 31 and an oxygen-rich gas collecting chamber, and the surrounding space thereof communicates with the modified atmosphere.
  • the gas-regulating membrane module 30 can be configured such that oxygen in the space airflow around the gas-regulating membrane module 30 passes through the gas-regulating membrane 31 more into the oxygen-rich gas collection chamber relative to the nitrogen in the space airflow around the gas-regulating membrane module 30.
  • the inner side surface of each of the air-conditioning membranes 31 faces the oxygen-rich gas collecting chamber to make the outer space of the air-conditioning membrane module 30 when the pressure of the oxygen-rich gas collecting chamber is lower than the pressure of the surrounding space of the air-conditioning membrane module 30.
  • the oxygen in the air passes through at least one of the gas regulating membranes 31 into the oxygen-rich gas collecting chamber with respect to the nitrogen gas therein.
  • the air pump assembly 10 can be disposed within the compressor housing 13 and the mounting foot 100 is mounted to the bottom wall of the compressor housing 13 via the vibration damping foot pad 400.
  • the intake end of the air pump 300 is in communication with the oxygen-enriched gas collection chamber of the gas regulating membrane module 30 via a line 50 to evacuate gas that has penetrated into the oxygen-rich gas collection chamber to the outside of the storage container.
  • the air pump 300 is pumped outward to make the pressure of the oxygen-rich gas collecting chamber smaller than the pressure of the surrounding space of the air-conditioning membrane module 30, and further, the oxygen in the space around the air-conditioning membrane module 30 can be made. Enter the oxygen-rich gas collection chamber. Since the air-conditioning space is connected to the space around the air-conditioning membrane module 30, the air in the air-conditioning space enters the space around the air-conditioning membrane module 30, so that oxygen in the air in the atmosphere can be made to enter the oxygen-rich gas. The chamber is collected to obtain a gas atmosphere rich in nitrogen and oxygen in the atmosphere of the modified atmosphere to facilitate food preservation.
  • the refrigerating and freezing device of the invention can form a gas atmosphere rich in nitrogen and oxygen in the atmosphere of the fresh air conditioning to promote food preservation, and the gas atmosphere reduces the oxygen content of the fruit and vegetable storage space, thereby reducing the aerobic respiration intensity of the fruits and vegetables, and ensuring the foundation.
  • the respiration function prevents the fruits and vegetables from undergoing anaerobic respiration, thereby achieving the purpose of long-term preservation of fruits and vegetables.
  • the gas atmosphere also has a large amount of gas such as nitrogen gas, and does not reduce the cooling efficiency of articles in the atmosphere of the modified atmosphere, so that fruits and vegetables can be effectively stored.
  • the air pump 300 is disposed in the compressor compartment 13 and can fully utilize the space of the compressor compartment 13 without occupying other places, so that the extra volume of the refrigerating and freezing apparatus is not increased, and the structure of the refrigerating and freezing apparatus can be made compact. Moreover, the rigidity and strength of the casing 80 and the like are low, and the implementation requirements are low, and the cost is also low.
  • the refrigerating and freezing device of the invention is very It solves the above technical problems that technicians in the field of atmosphere preservation and preservation have been eager to solve but have not been successfully solved.
  • the refrigerating and freezing apparatus of the present invention is not only small in size but also low in noise, and is particularly suitable for home and personal use.
  • the drawer body 20 may be provided with a plurality of micropores, and the storage space 201 and the modified atmosphere are connected via a plurality of micropores.
  • the micropores may also be referred to as gas pressure balance pores, and each micropore may be micropores of the order of millimeters, for example, each micropore has a diameter of 0.1 mm to 3 mm, preferably 1 mm, 1.5 mm, or the like.
  • the drawer cylinder 20 may not be provided with micropores. Even in this case, a large amount of gas such as nitrogen gas is present in the atmosphere of the modified atmosphere, and the user does not need to open the drawer body 28 when the drawer body 28 is opened. Too much effort, compared to the existing vacuum storage room, it will save a lot of effort.
  • the storage space 201 is a refrigerated space having a storage temperature generally between 2 ° C and 10 ° C, preferably between 3 ° C and 8 ° C.
  • the box 80 may further define a freezing space 12 and a temperature changing space 27.
  • the freezing space 12 is disposed below the storage space 201, and the temperature changing space 27 is disposed between the freezing space 12 and the refrigerating space.
  • the temperature within the freezing space 12 is typically in the range of -14 ° C to -22 ° C.
  • the variable temperature space 27 can be adjusted as needed to store the appropriate food.
  • the compressor compartment 24 is preferably disposed behind the lower portion of the freezing space 12.
  • the storage space 201 may also be a freezing space or a temperature changing space, that is, the temperature range of the storage space 201 may be controlled at -14 ° C to -22 ° C or adjusted according to requirements. .
  • the air conditioning membrane module 30 may be disposed on the barrel wall of the drawer body 20.
  • the air conditioning membrane module 30 can be in the form of a flat plate and can be preferably and horizontally disposed on the top wall of the drawer body 20.
  • a receiving chamber 22 is disposed in the top wall of the drawer cylinder 20 to accommodate the air conditioning membrane module 30.
  • at least one first vent hole 23 and a second vent hole 24 are formed in a wall surface between the accommodating cavity of the top wall of the drawer cylinder 20 and the atmosphere fresh-keeping space.
  • the at least one first venting opening 23 is spaced apart from the at least one second venting opening 24 to respectively communicate the receiving chamber and the modified atmosphere at different positions.
  • the first vent hole 23 and the second vent hole 24 are both small holes, and the number may be plural.
  • the inside of the top wall of the drawer body 20 has a recessed groove.
  • the air conditioning membrane module 30 is disposed in a recessed groove of the top wall of the drawer body 20.
  • Line 50 can include a vertical tube section.
  • the vertical pipe section is disposed at the rear of the storage space 201, and the lower end of the vertical pipe section communicates with the inlet of the air pump 300, and the upper side of the vertical pipe section communicates with the oxygen-rich gas collection chamber of the gas regulating membrane module 30.
  • the vertical pipe section can be disposed adjacent to the side shell and the backboard of the box body 80, and the vertical pipe section can be provided with a heat insulating sleeve or a heat insulating tube to prevent the cold amount of oxygen in the vertical pipe section from being transmitted to the side shell and the backboard, thereby preventing Produces condensation.
  • the chilling in order to promote the flow of the atmosphere in the atmosphere and the gas in the accommodating chamber 22, the chilling is cold.
  • the freezing device may further include a fan 60.
  • the fan 60 may be disposed in the accommodating cavity, and configured to cause the gas in the conditioned space to enter the accommodating cavity 22 via the first vent hole 23, and the gas in the accommodating cavity 22 to pass through the second vent hole. 24 Enter the air conditioning space. That is to say, the fan 60 can cause the gas of the modified atmosphere to be returned to the modified atmosphere through the at least one first vent 23, the accommodating cavity and the at least one second vent 24 in sequence.
  • the fan 60 is preferably a centrifugal fan disposed at the first venting opening 23 in the accommodating chamber 22. That is, the centrifugal fan is located above the at least one first venting opening 23, and the axis of rotation is vertically downward, and the air inlet is directed to the first venting opening 23.
  • the air outlet of the centrifugal fan can face the air conditioning membrane module 30.
  • the air conditioning membrane module 30 is disposed above the at least one second venting opening 24 such that each of the air conditioning membranes of the air conditioning membrane module 30 is parallel to the top wall of the drawer cylinder 20. At least one first venting opening 23 is provided at the front of the top wall, and at least one second venting opening 24 is provided at the rear of the top wall.
  • the centrifugal fan is disposed at the front of the accommodating chamber 22, and the air conditioned membrane module 30 is disposed at the rear of the accommodating chamber 22.
  • the top wall of the drawer body 20 includes a main plate portion 25 and a cover portion 26, and a partial portion of the main plate portion 25 is formed with a recess portion, and the cover portion 26 is detachably covered on the recess portion to form a receiving portion. Cavity 22.
  • the main plate portion 25 may be integrally formed with the side wall, the bottom wall, and the rear wall of the drawer body 20.
  • the air conditioning membrane module 30 can be in the form of a flat plate, and the air conditioning membrane module 30 can further include a support frame 32.
  • the air-conditioning membranes 31 may be two, mounted on both sides of the support frame 32 such that the two air-conditioning membranes 31 and the support frame 32 together enclose an oxygen-rich gas collection chamber.
  • the support frame 32 may include a frame, a rib plate and/or a flat plate disposed in the frame, and an air flow passage between the ribs, between the ribs and the flat plate, the surface of the rib plate, and the surface of the flat plate. Grooves may be formed in the upper portion to form an air flow passage.
  • the ribs and/or the flat plate may increase the structural strength and the like of the air-conditioning membrane module 30.
  • the support frame 32 has first and second surfaces parallel to each other, and the support frame 32 is formed to extend on the first surface, extend on the second surface, and penetrate the support frame 32 to communicate with the first a plurality of gas flow channels of the surface and the second surface, the plurality of gas flow channels together form an oxygen-rich gas collecting chamber; at least one gas regulating film 31 is two planar gas regulating films respectively laid on the first surface of the support frame 32 and On the surface.
  • the support frame 32 includes a venting aperture 33 in communication with the aforementioned at least one airflow passageway disposed on the rim to allow oxygen in the oxygen-rich gas collection chamber to be output.
  • the air suction hole 33 is in communication with the air pump 300.
  • the air vent 33 may be disposed on the long edge of the frame or on the short edge of the frame to be determined according to the orientation of the air conditioning film assembly 30 or actual design requirements, for example, the implementation shown in FIGS. 7 and 8. In the example, the air vent 33 can be placed on the long edge of the frame.
  • the air-conditioning film 31 is first attached to the frame by the double-sided tape 34, and then sealed by the sealant 35.
  • the support frame 32 can include a bezel, a plurality of first ribs, and a plurality of second ribs.
  • the plurality of first ribs are longitudinally spaced apart from the inside of the frame and extend in the lateral direction, and one side surface of the plurality of first ribs is shaped Into the first surface.
  • a plurality of second ribs are laterally spaced apart and extend in a longitudinal direction on the other side surface of the plurality of first ribs, and a side surface of the plurality of second ribs away from the first rib forms a second surface .
  • the support frame 32 of the present invention is provided with a plurality of first ribs extending in the longitudinal direction and extending in the lateral direction inside the frame and a plurality of sections extending laterally and longitudinally on one side surface of the plurality of first ribs.
  • the two ribs thus ensure the continuity of the air flow passage on the one hand, and greatly reduce the volume of the support frame 32 on the other hand, and greatly enhance the strength of the support frame 32.
  • the above structure of the support frame 32 ensures that the air-conditioning membrane 31 can obtain sufficient support, and can maintain a good flatness even when the negative pressure inside the oxygen-rich gas collection chamber is large, and the gas-regulating film is ensured. The service life of assembly 30.
  • the plurality of first ribs may include a plurality of first narrow ribs and a plurality of first wide ribs. Wherein a plurality of first wide ribs are spaced apart, and a plurality of first narrow ribs are disposed between the adjacent two first wide ribs.
  • the plurality of second ribs may include: a plurality of second narrow ribs and a plurality of second wide ribs, wherein the plurality of second wide ribs are spaced apart, and a plurality of the second wide ribs are disposed between the two adjacent Second narrow rib.
  • each of the first wide ribs is recessed inwardly from a side surface thereof on which the first surface is formed to form a first groove; a side surface from which the second wide rib is formed to form the second surface
  • the second groove is recessed inwardly to improve the connectivity of the internal mesh structure while ensuring that the thickness of the support frame 32 is small (or small).
  • a portion of the surface of each of the first wide ribs facing away from the first surface extends toward the second rib to be flush with the second surface, and the portion of the surface that is flush with the second surface is inward
  • the recess forms a third trench; the third trench communicates with a portion where the second trench intersects to form a cross trench.
  • a portion of the surface of the at least one second wide rib of the plurality of second wide ribs facing away from the second surface extends toward the first rib to be flush with the first surface, and the portion of the surface that is flush with the first surface Forming a fourth trench inwardly; wherein the fourth trench communicates with a portion where the first trench intersects to form a cross trench.
  • the inner surface of the cover portion 26 may extend downwardly from the plurality of air guiding ribs to guide the airflow from the fan 60 in the receiving chamber.
  • the inner surface of each of the air-conditioning membranes 31 of the gas-regulating membrane module 30 is separated from the outer surface of the oxygen-rich gas collecting chamber.
  • the plurality of air guiding ribs may be divided into two groups, and the second group of air guiding ribs are symmetrically disposed with respect to one plane of the first group of air guiding ribs and the first group of air guiding ribs.
  • Each set of air guiding ribs includes a first air guiding rib, at least one second air guiding rib, and at least one third air guiding rib.
  • the first air guiding rib extends from a side of the air outlet of the centrifugal fan to a side of the receiving cavity and extends to a laterally outer side of the air conditioning film assembly 30.
  • Each of the second air guiding ribs is disposed between the two first air guiding ribs and between the air conditioning film assembly 30 and the centrifugal fan.
  • Each of the third air guiding ribs is located on a lateral outer side of the air conditioning membrane module 30 to direct airflow from the lateral sides of the air conditioning membrane module 30 into the air conditioning membrane module 30 and the bottom or top surface of the receiving chamber. The gap between them.

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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

L'invention concerne un ensemble pompe d'extraction d'air (10) et un dispositif de réfrigération et de congélation. L'ensemble pompe d'extraction d'air (10) comprend une boîte de montage (200) et une pompe d'extraction d'air (300). Un espace de réception est défini dans la boîte de montage (200), au moins une partie de la paroi de boîte de la boîte de montage (200) est constituée d'une plaque d'assourdissement microporeuse (212, 222). De multiples trous traversants d'assourdissement (2122) sont formés dans la surface de la plaque d'assourdissement microporeuse (212, 222). La pompe d'extraction d'air (300) est disposée dans la boîte de montage (200). La plaque d'assourdissement microporeuse est configurée pour absorber le bruit produit par la pompe d'extraction d'air (300) lorsque la pompe d'extraction d'air (300) fonctionne. Grâce à la plaque d'assourdissement microporeuse, l'ensemble pompe d'extraction d'air (10) réduit la propagation du bruit lorsque la pompe d'extraction d'air (300) fonctionne.
PCT/CN2017/114193 2016-12-02 2017-12-01 Ensemble pompe d'extraction d'air et dispositif de réfrigération et de congélation WO2018099450A1 (fr)

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CN201611097125.6 2016-12-02
CN201611097125.6A CN106593819B (zh) 2016-12-02 2016-12-02 冷藏冷冻装置

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WO2018099450A1 true WO2018099450A1 (fr) 2018-06-07

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CN106593819B (zh) * 2016-12-02 2019-05-03 青岛海尔股份有限公司 冷藏冷冻装置
CN108253701B (zh) * 2017-12-11 2020-05-26 青岛海尔股份有限公司 具有板状隔音构件的真空组件及冰箱
CN109708384A (zh) * 2018-11-16 2019-05-03 青岛海尔股份有限公司 风道板及具有其的冰箱

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CN1532495A (zh) * 2003-03-25 2004-09-29 株式会社东芝 冰箱
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CN201251336Y (zh) * 2008-07-01 2009-06-03 河南新飞电器有限公司 膜降氧气调保鲜冰箱
CN203454299U (zh) * 2013-08-26 2014-02-26 广东美的制冷设备有限公司 一种带有降噪装置的空调室外机
CN106593819A (zh) * 2016-12-02 2017-04-26 青岛海尔股份有限公司 抽气泵组件和冷藏冷冻装置
CN206290401U (zh) * 2016-12-02 2017-06-30 青岛海尔股份有限公司 抽气泵组件和冷藏冷冻装置

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CN201199115Y (zh) * 2008-04-10 2009-02-25 河南新飞电器有限公司 一种降氧气调保鲜冰箱
CN202091149U (zh) * 2011-05-31 2011-12-28 深圳市顺速达科技有限公司 防震压缩机装置及制氧机
CN204533077U (zh) * 2015-01-26 2015-08-05 深圳麦克维尔空调有限公司 空调机组钣金件的固定结构

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US4872320A (en) * 1987-12-11 1989-10-10 Sanyo Electric Co., Ltd. Refrigeration showcase
CN1532495A (zh) * 2003-03-25 2004-09-29 株式会社东芝 冰箱
CN201218181Y (zh) * 2008-06-11 2009-04-08 汤建 微型静音气泵
CN201251336Y (zh) * 2008-07-01 2009-06-03 河南新飞电器有限公司 膜降氧气调保鲜冰箱
CN203454299U (zh) * 2013-08-26 2014-02-26 广东美的制冷设备有限公司 一种带有降噪装置的空调室外机
CN106593819A (zh) * 2016-12-02 2017-04-26 青岛海尔股份有限公司 抽气泵组件和冷藏冷冻装置
CN206290401U (zh) * 2016-12-02 2017-06-30 青岛海尔股份有限公司 抽气泵组件和冷藏冷冻装置

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