CN208817814U

CN208817814U - Refrigerator with oxygen control function

Info

Publication number: CN208817814U
Application number: CN201820950626.2U
Authority: CN
Inventors: 王磊; 姜波; 陈建全; 杨春; 刘浩泉
Original assignee: Qingdao Haier Co Ltd
Current assignee: Haier Smart Home Co Ltd
Priority date: 2018-06-19
Filing date: 2018-06-19
Publication date: 2019-05-03
Anticipated expiration: 2028-06-19

Abstract

The utility model discloses a kind of refrigerators with control oxygen fresh-keeping function, which includes cabinet, and the cabinet, which has, is formed in press storehouse of the bottom for installing compressor and the fresh-keeping chamber above the press storehouse；The refrigerator also has the control oxygen device for reducing oxygen content inside the fresh-keeping chamber；Based on the specific structure of control oxygen device, refrigerator involved in the utility model can be realized, in effective solution existing design aspiration pump and compressor operation resonate the problem of fresh-keeping to the control oxygen of food in fresh-keeping chamber, can reduce the noise of refrigerator operation；And be introduced in press storehouse by the gas that fresh-keeping chamber is extracted out, it can cool down to compressor, be able to extend the service life of compressor and optimize the runnability of compressor.

Description

Refrigerator with control oxygen fresh-keeping function

Technical field

The utility model relates to household appliance technical field more particularly to a kind of refrigerators with control oxygen fresh-keeping function.

Background technique

Refrigerator provides great convenience due to having the function of low-temperature preservation, for home life, so with quality of the life Raising, consumer to storage food fresh-keeping requirement it is also higher and higher, conventional refrigerator has been unable to satisfy user and has increasingly improved Demand.Based on this, following solution has been explored in the industry: fresh-keeping chamber is set in refrigerator body, by vacuumizing or dropping The fresh indoor oxygen concentration of minimum living optimizes the fresh-keeping effect of fresh-keeping chamber, the design requirement based on the function, and refrigerator usually requires It is arranged one and extracts fresh-keeping chamber internal gas in order to reduce the aspiration pump of air oxygen content in safe.In existing design, take out Air pump is generally disposed in the press storehouse with compressor, is so designed in this way mode and is so had the following problems:

1. refrigerator is run, the excessively high temperature in press storehouse will affect the efficient operation of aspiration pump or even influence aspiration pump Service life reduce the fresh-keeping effect of fresh-keeping chamber so that fresh-keeping chamber is unable to reach target oxygen content；

2. in press storehouse, aspiration pump, once running simultaneously, is easy to produce resonance, so that the noise of refrigerator with compressor It increases, does not meet user to the mute demand of refrigerator apparatus.

In view of this, it is necessary to provide a kind of improved refrigerator structures to solve the above problems.

Utility model content

The utility model aims to solve at least one of technical problem of the existing technology, to realize above-mentioned utility model mesh , the utility model provides a kind of refrigerator with control oxygen fresh-keeping function, and specific design method is as follows.

A kind of refrigerator with control oxygen fresh-keeping function, including cabinet, the cabinet have be formed in bottom for install pressure The press storehouse of contracting machine and the fresh-keeping chamber above the press storehouse；Also there is the refrigerator oxygen inside the reduction fresh-keeping chamber to contain The control oxygen device of amount, the control oxygen device includes controlled atmosphere membrane module and vacuum elements；The controlled atmosphere membrane module has at least one The controlled atmosphere film of selectively penetrating gas, the controlled atmosphere film have the air inlet side that is contacted with the fresh-keeping chamber inner air and with institute The opposite gas side out of air inlet side is stated, the controlled atmosphere membrane module is configured to make to enter the oxygen of the gas side gas out by the air inlet side Oxygen and nitrogen content ratio of the nitrogen content than being greater than the fresh-keeping chamber internal gas；The vacuum elements are set to outside the fresh-keeping chamber and have There is an aspiration pump, there is the aspiration pump connection controlled atmosphere film to go out the air inlet pipe of gas side and the controlled atmosphere film is gone out gas side Gas be expelled to the press storehouse with the escape pipe to the cooling compressor.

Further, there is the refrigeration liner for limiting refrigerator room, the fresh-keeping chamber is located at the refrigerator in the cabinet Chamber interior.

Further, it is provided with evaporating dish in the press storehouse, the refrigerator also has the connection refrigeration liner with by institute The drainpipe that liquid water in refrigeration liner drains into the evaporating dish is stated, the escape pipe is from the aspiration pump to the drainpipe It draws close and depends on the drainpipe and extend into the press storehouse.

Further, the gas outlet of the escape pipe extends to the surface of the evaporating dish.

Further, it is formed with insulating layer outside the refrigeration liner, the aspiration pump is set in the insulating layer.

Further, the fresh-keeping chamber is set to the refrigerator room bottom, and the vacuum elements are set in the refrigeration The following angular position of the rear wall of gallbladder.

Further, the vacuum elements also have installation to it is described refrigeration liner rear wall container and with the pumping The mounting rack of connection is pumped, the mounting rack is installed in the container through multiple damping cushions.

Further, the fresh-keeping chamber has the drawer of pull setting.

Further, the controlled atmosphere membrane module is set to outside the roof of the fresh-keeping chamber, is opened up outside the roof of the fresh-keeping chamber There is the opening that the controlled atmosphere film air inlet side is contacted for the fresh-keeping chamber inner air.

Further, the refrigerator also has the freezing compartment between the refrigerator room and the press storehouse.

The beneficial effects of the utility model are: refrigerator involved in the utility model can be realized to food in fresh-keeping chamber Control that oxygen is fresh-keeping, based on the structure that aspiration pump and compressor are provided separately, operation resonance is asked in effective solution existing design Topic can reduce the noise of refrigerator operation；And be introduced in press storehouse by the gas that fresh-keeping chamber is extracted out, compressor can be dropped Temperature is able to extend the service life of compressor and optimizes the runnability of compressor.

Detailed description of the invention

The first angle schematic diagram of the utility model refrigerator shown in Fig. 1；

Fig. 2 show the second angle schematic diagram after the removal back shell of refrigerator shown in Fig. 1；

Fig. 3 show the cooperation schematic diagram of refrigeration liner, vacuum elements, drainpipe and evaporating dish；

Fig. 4 show the cooperation schematic diagram of fresh-keeping chamber and vacuum elements；

Fig. 5 show the perspective view of the explosion of vacuum elements；

Fig. 6 show the cooperation schematic diagram of aspiration pump and mounting rack.

Specific embodiment

The utility model is described in detail below with reference to each embodiment shown in the drawings, please refers to Fig. 1 to Fig. 6 It is shown, it is a kind of better embodiment of the utility model.

With reference to shown in Fig. 1, Fig. 2, which show the stereochemical structures of two kinds of different angles of refrigerator involved by the utility model to show It is intended to, refrigerator involved in the utility model has control oxygen fresh-keeping function.Specifically, having the refrigerator packet of control oxygen fresh-keeping function Cabinet 100 is included, cabinet 100, which has, is formed in bottom for installing the press storehouse 14 of compressor (not showing in figure) and being located at press The fresh-keeping chamber 10 of 14 top of storehouse.

Specifically in the present embodiment, the refrigeration liner 110 with restriction refrigerator room 11 in cabinet 100, fresh-keeping chamber 10 In the inside of refrigerator room 11；Refrigerator also has the freezing compartment 12 between refrigerator room 11 and press storehouse 14, wherein cold Jelly compartment 12 is limited by refrigerated liner 120 to be formed.In other words, in this embodiment, involved ice in the utility model The cabinet of case successively includes refrigerator room 11, freezing compartment 12 and press storehouse 14 from top to bottom.

In the present invention, refrigerator also has the control oxygen device for reducing by 10 inside oxygen content of fresh-keeping chamber, in conjunction with Fig. 3, figure 4, shown in Fig. 5, control oxygen device includes controlled atmosphere membrane module 21 and vacuum elements 22.

In the specific implementation process, controlled atmosphere membrane module 21 involved in has at least one selectively penetrating gas Controlled atmosphere film (do not show) in figure, and controlled atmosphere film has the air inlet side contacted with 10 inner air of fresh-keeping chamber and opposite with air inlet side Gas side (being to show in figure) out.It is understood that the two sides of controlled atmosphere film are respectively formed air inlet side and gas side out, and two sides exist Spatially it is isolated by controlled atmosphere film；During air enters gas side by controlled atmosphere film air inlet side in fresh-keeping chamber 10, enter Oxygen and nitrogen content ratio of the oxygen and nitrogen content of gas than being greater than gas in 10 inside of fresh-keeping chamber in gas side.

The vacuum elements 22 that control oxygen device is constituted in the utility model are set to outside fresh-keeping chamber 10 and have an aspiration pump 220, there is aspiration pump 220 connection controlled atmosphere film to go out the air inlet pipe 222 of gas side and the gas that controlled atmosphere film goes out gas side is expelled to pressure Cabin 14 is with the escape pipe 221 to cooling compressor.It is relatively easy to understand, aspiration pump 220 is to pass through in the utility model Escape pipe 221 is connected to press storehouse 14, itself also is located at outside press storehouse 14.

In the utility model, aspiration pump 220 run when, the controlled atmosphere film being connected to air inlet pipe 222 go out gas side will form it is small Negative pressure in controlled atmosphere film air inlet side (i.e. 10 side of fresh-keeping chamber), so that gas enters controlled atmosphere film outlet in fresh-keeping chamber 10 Side；And due to the characteristic of controlled atmosphere film, oxygen compares nitrogen more easily by controlled atmosphere film, thus when aspiration pump 220 runs one section Between after, the oxygen content of 10 inner air of fresh-keeping chamber is lower than the oxygen content of normal air, i.e., will form a kind of rich nitrogen in fresh-keeping chamber 10 Oxygen deprivation in favor of food fresh-keeping atmosphere.

The refrigerator of the utility model can make to be formed rich nitrogen oxygen deprivation in fresh-keeping chamber 10 in favor of the atmosphere of food fresh-keeping, be somebody's turn to do Atmosphere reduces the intensity of fruit/vegetable aerobic breathing, while guaranteeing basis by the content of oxygen in reduction fruits and vegetables shelf space Respiration, prevent fruits and vegetables carry out anaerobic respiration, to achieve the purpose that fruits and vegetables long-period freshness preserving.Moreover, the atmosphere is also With gases such as a large amount of nitrogen, will not also reduce article in controlled atmosphere space by cold efficiency, fruits and vegetables etc. can be made effective To storage.

In addition, be provided separately based on aspiration pump 220 in the utility model with compressor, in effective solution existing design The problem of operation resonance, the noise of refrigerator operation can be reduced；And be introduced in press storehouse by the gas that fresh-keeping chamber is extracted out, it can be right Compressor cools down, and is able to extend the service life of compressor and optimizes the runnability of compressor.

Further, in conjunction with shown in Fig. 2, Fig. 3, evaporating dish 140 is provided in press storehouse 14, refrigerator also has in connection refrigeration Gallbladder 110 will be will refrigerate the drainpipe 111 that liquid water in liner 110 drains into evaporating dish 140.Usually have in refrigeration liner 110 Evaporator in refrigerator operational process, needs to carry out evaporator defrost, i.e. pass through drainpipe 111 is expelled to evaporating dish to defrosting water 140.In the present embodiment, the escape pipe 221 connecting with aspiration pump 220 is drawn close from aspiration pump 220 to drainpipe 111 and the row of depending on Water pipe 111 extends into press storehouse 14.Based on the setting, in refrigerator assembling process, drainpipe 111 can be same with escape pipe 221 Step is fixed, to simplify refrigerator mfg process and reduce the fixing piece quantity for fixing drainpipe 111 Yu escape pipe 221, such as This can be improved the packaging efficiency of refrigerator and reduces the cost of manufacture of refrigerator.

In the specific implementation process, the gas outlet of escape pipe 221 extends to the surface of evaporating dish 140, it is contemplated that is taken out There are certain steam in the gas that air pump 220 is extracted out, and the gas outlet of escape pipe 221 is extended to the surface of evaporating dish 140 The water droplet that can avoid being formed in escape pipe 221, which directly instills inside press storehouse 14, causes unnecessary damage.

It is refrigerated in the utility model and is additionally provided with shell 13 outside liner 110 and refrigerated liner 120, refrigeration liner 110, freezing It is formed between liner 120 and shell 13 insulating layer (not shown in figure), vacuum elements 22 are set in insulating layer, such energy Enough further decrease described bring vibrating noise when aspiration pump 220 is run.

In addition, in the present embodiment, escape pipe 221 referred to above and drainpipe 111 are all set in insulating layer, lead to The often fix in position before heat-insulating layer foaming forms.

In this specific embodiment, as shown in Figure 1, Figure 2, fresh-keeping chamber 10 is set to 11 bottom of refrigerator room, aspiration pump 220 are set to the following angular position of rear wall of refrigeration liner 110.Such setting mode can shorten aspiration pump 220 and controlled atmosphere film The length of 21 air inlet pipe 222 of component, can reduce the loss of vacuum of controlled atmosphere membrane module 21.

Referring to figs 5 and 6, vacuum elements 22 involved in this specific embodiment also have installation to refrigeration liner The container 223 of 110 rear walls and the mounting rack 224 connecting with aspiration pump 220, mounting rack 224 is through multiple damping cushions 2240 It is installed in container 223.Specifically, opposite on mounting rack be formed with a pair of clamping plate 2241 for fixed aspiration pump 220, take out Air pump 220 is located between two clamping plates 2241 and is fixed by screw or buckle；The inner wall of container 223 is formed with to be subtracted for multiple Shake cushion block 2240 cooperates fixed multiple mounting portions 2231；The side wall of container 223 is additionally provided with discharge hoses 221, escape pipe 222 through-holes passed through, and one side is formed with the opening being put into for aspiration pump 220, is covered with cover board at the open position 2230.Based on the implementation structure, what aspiration pump 222 can be relatively stable is fixed in container 223, and can be effectively reduced Vibration when drawer 222 operation of pump.

In conjunction with shown in Fig. 1, Fig. 4, the fresh-keeping chamber 10 in the present embodiment has the drawer 101 of pull setting.It is practical new at this In the other embodiments of type, fresh-keeping chamber 10 can also be provided only for the door body of opening and closing fresh-keeping chamber 10, without drawer is arranged 101。

Refering to what is shown in Fig. 4, controlled atmosphere membrane module 21 is set to outside the roof of fresh-keeping chamber 10, it is to be understood that ensure to protect Air inside fresh room 10 touches the air inlet side of controlled atmosphere film, offers outside the roof of fresh-keeping chamber 10 for 10 inner air of fresh-keeping chamber Contact the opening (not showing in figure) of controlled atmosphere film air inlet side.

In the specific implementation process, the side wall of fresh-keeping chamber 10 can offer multiple micropores, refrigerator room 11 and fresh-keeping chamber 10 Inner space via multiple microporous connectivities.Micropore is as air equalizer opening, and each micropore can be millimetre-sized micropore, such as often The diameter of a micropore is 0.1mm to 3mm, preferably 1mm, 1.5mm etc..Multiple micropores, which are arranged, can make pressure in fresh-keeping chamber 10 not As for too low, the setting of multiple micropores will not be such that the nitrogen in fresh-keeping chamber space flows to big storage space 211, even if stream Dynamic is also that very little is even negligible, will not influence the preservation of food in fresh-keeping chamber 10.In some of the utility model In alternative embodiment, micropore can also be not provided on the side wall of fresh-keeping chamber 10, and by between 10 side wall of drawer 101 and fresh-keeping chamber Gap reaches pressure balance.

It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book With the other embodiments of understanding.

Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model Body explanation, they are all without departing from made by the utility model skill spirit not to limit the protection scope of the utility model Equivalent implementations or change should be included within the scope of protection of this utility model.

Claims

1. A refrigerator with an oxygen control and fresh-keeping function, comprising a box body having a compressor compartment formed at the bottom for installing a compressor and a fresh-keeping chamber above the compressor compartment; it is characterized in that the The refrigerator also has an oxygen control device for reducing the oxygen content inside the fresh-keeping chamber, and the oxygen control device includes a modified atmosphere membrane assembly and an air extraction assembly; the modified atmosphere membrane assembly has at least one modified atmosphere membrane that selectively permeates gas, The modified atmosphere membrane has an intake side in contact with the air inside the fresh-keeping chamber and an outlet side opposite to the intake side, and the modified atmosphere membrane assembly is configured so that the intake air enters the outlet from the intake side The oxygen-nitrogen content ratio of the side gas is greater than the oxygen-nitrogen content ratio of the gas inside the fresh-keeping chamber; the air extraction component is arranged outside the fresh-keeping chamber and has an air extraction pump, and the air extraction pump has an air outlet side connected to the air-conditioning membrane The air inlet pipe and the air outlet pipe for discharging the gas on the air outlet side of the modified atmosphere membrane to the compressor chamber to cool down the compressor.

2 . The refrigerator with an oxygen control and fresh-keeping function according to claim 1 , wherein the box has a refrigerating liner defining a refrigerating compartment, and the fresh-keeping compartment is located inside the refrigerating compartment. 3 .

3. The refrigerator with oxygen control and fresh-keeping function according to claim 2, characterized in that, an evaporating dish is arranged in the press compartment, and the refrigerator also has the function of connecting the refrigerating liner to the refrigerating liner The liquid water is discharged to a drain pipe in the evaporating dish, and the air outlet pipe is approached from the air suction pump to the drain pipe and extends into the press chamber by adhering to the drain pipe.

4 . The refrigerator with oxygen control and freshness preservation function according to claim 3 , wherein the air outlet of the air outlet pipe extends to just above the evaporating dish. 5 .

5. The refrigerator with oxygen control and fresh-keeping function according to any one of claims 2-4, characterized in that, a heat insulating layer is formed outside the refrigerating inner container, and the air extraction component is arranged in the heat insulating layer.

6 . The refrigerator with oxygen control and fresh-keeping function according to claim 5 , wherein the fresh-keeping chamber is arranged at the bottom of the refrigerating compartment, and the air pump is arranged at the lower corner of the rear wall of the refrigerating liner. 7 . place.

7 . The refrigerator with oxygen control and freshness preservation function according to claim 6 , wherein the air extraction assembly further has a accommodating box mounted on the rear wall of the refrigerating liner and a mounting frame connected with the air extraction pump. 8 . , the mounting frame is installed in the accommodating box through a plurality of shock-absorbing pads.

8. The refrigerator with oxygen control and fresh-keeping function according to any one of claims 1-4, wherein the fresh-keeping chamber has a drawer arranged to be pulled out.

9 . The refrigerator with oxygen control and fresh-keeping function according to claim 7 , wherein the modified atmosphere membrane assembly is arranged outside the top wall of the fresh-keeping chamber, and a The air inside the fresh-keeping chamber contacts the opening on the intake side of the modified atmosphere membrane.

10 . The refrigerator with oxygen control and freshness preservation function according to claim 2 , wherein the refrigerator further has a freezing compartment located between the refrigerating compartment and the compressor compartment. 11 .