CN103256774A

CN103256774A - Refrigerator

Info

Publication number: CN103256774A
Application number: CN2013100509017A
Authority: CN
Inventors: 大平昭义; 河井良二; 早乙女隆; 冈留慎一郎
Original assignee: Hitachi Appliances Inc
Current assignee: Hitachi Global Life Solutions Inc
Priority date: 2012-02-15
Filing date: 2013-02-16
Publication date: 2013-08-21
Anticipated expiration: 2033-02-16
Also published as: KR101396956B1; JP2013167382A; JP5487224B2; CN103256774B; KR20130094227A

Abstract

The invention provides a refrigerator which improves property of energy saving and property of food preservation by supplying cool air into a freezing chamber while limiting operation of independent cooling of a refrigerating chamber. The refrigerator has a plurality of storage rooms (3, 4), and a first blower (14) and a second blower (13) supplying cool air to the plurality of storage rooms. The refrigerator is provided with an air channel (4f) of the first blower (14) and an air channel (3f) of the second blower (13), wherein the air channel (4f) and the air channel (3f) are partially adjacent and partially separated by an edge part (L). An air capacity control part (37) which connects the air channels (3f, 4f) is arranged at the edge part (L) where a discharge side of the first blower (14) provided with the air channel (4f) of the first blower (14) and a discharge side of the second blower (13) provided with the air channel (3f) of the first blower (13).

Description

Refrigerator

Technical field

The present invention relates to a kind of refrigerator.

Background technology

Known following refrigerator: possess the storeroom of a plurality of different temperatures bands, for the cold air that is produced by single cooler heat exchange, utilize a plurality of blowing units corresponding with a plurality of storerooms to blow respectively.

In the refrigerator of patent documentation 1 record, possess refrigerating chamber fan and refrigerating chamber fan, detect the storeroom temperature by the temperature sensor that is located at refrigerating chamber and refrigerating chamber, control the rotating speed of refrigerating chamber fan and refrigerating chamber fan linkedly with temperature sensor, adjustment is to the air quantity of refrigerating chamber and refrigerating chamber conveying, to reach the design temperature of storeroom.

In the refrigerator of patent documentation 2 records, in the way, air channel of refrigerating chamber, air door is set, implement the running that refrigerating chamber is cooled off separately.Also record: corresponding to detected temperatures in the case, control refrigerating chamber fan and refrigerating chamber fan, thereby the meticulous temperature of controlling each storeroom independently.

The prior art document

Patent documentation 1: No. 3494874 communique of Japan Patent

Patent documentation 2: No. 3073636 communique of Japan Patent

In the refrigerator of patent documentation 1 record, under the many situation of the food of in refrigerating chamber, putting into, for excessively refrigeration is not such to the refrigerating chamber that freezes simultaneously with refrigerating chamber with refrigerating chamber, the rotating speed of refrigerating chamber fan is adjusted.Record in addition: under the situation that a side fan is driving, drive to make it as valve, to play a role to the opposing party's fan with the rotation speed of the fan of minimum, prevent the adverse current of the cold air flow that under the situation that the opposing party's fan is stopped, producing.

But, owing to carrying each air channel of cold air not possess the air door (dumper) (cold air baffle plate (flap)) of the air-supply cut off on the way to refrigerating chamber and refrigerating chamber, so basic running for refrigerating chamber and refrigerating chamber are cooled off simultaneously, even the cooling running that enforcement stops the either party of refrigerating chamber fan or refrigerating chamber fan also is difficult to suppress to making fan stop the adverse current of a side.

In possessing the refrigerator of single cooler, in order to improve energy saving, be important with the evaporating temperature consistent with the temperature inside the box (chiller temperature) running freeze cycle.Especially, by the operation mode (refrigerating chamber cools off running separately) that refrigerating chamber is cooled off separately is set, improve evaporating temperature, can improve the efficient of freeze cycle.

But, do not have the record about this energy-saving operation in the patent documentation 1.Record: cool off separately at the refrigerating chamber that has improved energy saving under the situation of running, make the refrigerating chamber fan running, the refrigerating chamber fan is stopped.At this moment, the refrigerating chamber fan is stopped fully after, produce opposite mobile of air supply direction with the refrigerating chamber fan.Just, following adverse current phenomenon occurs: the part at the cold air of refrigerating chamber side circulation flows in the refrigerating chamber from refrigerating chamber cold air return port, and (upstream side of the cold air flow during refrigerating chamber cooling running) flows towards the suction side from the discharge side (downstream of the cold air flow during refrigerating chamber cooling running) of refrigerating chamber fan.For this reason, make the refrigerating chamber fan rotate as valve with minimum speed and play a role, prevent the adverse current phenomenon.

But, under situation about using with the refrigerating chamber fan of refrigerating chamber fan equal extent size, in order to stop adverse current, need make the refrigerating chamber fan running with the slow-speed of revolution of existing 1/100 degree.Rotation speed of the fan when thus, being difficult to use identical drive source (motor) with common refrigerating chamber cooling running and the rotation speed of the fan running when preventing adverse current.

In addition, can consider that the use refrigerating chamber fan more small-sized than refrigerating chamber fan realize the structure of low air quantity, run up but when common refrigerating chamber cooling running, become in order to obtain necessary air quantity, also can produce the problem of noise.

And, in order to prevent the adverse current phenomenon to refrigerating chamber, be under the situation of running of abundant low speed not making the refrigerating chamber fan, though be suitable for but refrigerating chamber is cooled off the cold air that is not suitable for temperature band that refrigerating chamber is cooled off because the refrigerating chamber fan is transported to refrigerating chamber, might cause that the temperature of refrigerating chamber rises.

In the refrigerator of patent documentation 2 record, owing in the way, air channel of refrigerating chamber, possess the air door of the air-supply cut off, so implement the running that refrigerating chamber and refrigerating chamber are cooled off simultaneously and the running that refrigerating chamber is cooled off separately.

But, about do not cool off the record of running separately for the refrigerating chamber that improves energy saving, do not have the mobile record about the cold air of the refrigerating chamber when the enforcement refrigerating chamber cools off running separately and refrigerating chamber yet.

As mentioned above, in patent documentation 1 and patent documentation 2, though disclose the refrigerator of the refrigerating chamber fan of the refrigerating chamber fan that possesses refrigerating chamber cooling usefulness and refrigerating chamber cooling usefulness, not at by implementing the record that refrigerating chamber cools off the running that improves energy saving of turning round separately.In addition, also not do not cool off the record of running fast about the refrigerating chamber that is identical circulating cold air with situation that refrigerating chamber cools off running separately, refrigerating chamber was freezed fast with the short time.

Summary of the invention

The present invention is in view of as above problem points and the invention of making, and purpose is to provide a kind of and flows into to improve the refrigerator of energy saving and food preservation to the cold air of refrigerating chamber when being suppressed at the running that enforcement cools off separately refrigerating chamber.

In order to solve above-mentioned problem, adopt the structure of putting down in writing in claims for example.The application comprises the multiple means that solves above-mentioned problem, enumerate the words of an one example, possess a plurality of storerooms and described a plurality of storerooms are carried first pressure fan of cold air respectively and the refrigerator of second pressure fan in, the air channel that described first pressure fan is set and the air channel that described second pressure fan is set are across the local adjacent setting of boundary portion, in the discharge side of described first pressure fan in the air channel that described first pressure fan is set described boundary portion adjacent with the discharge side of described second pressure fan in the air channel that described second pressure fan is set, be provided with and connect the air quantity control part in air channel each other.

Effect of the present invention is as follows.

According to the present invention, can provide a kind of and flow into to improve the refrigerator of energy saving and food preservation to the cold air of refrigerating chamber when being suppressed at the running that enforcement cools off separately refrigerating chamber.

Description of drawings

Fig. 1 is the front view of the refrigerator that relates to of embodiment of the present invention.

Fig. 2 is that the door of removing the refrigerator that embodiment of the present invention relates to, the master in explanation circulating cold air path look perspective view.

Fig. 3 is the A-A cutaway view of Fig. 2, is the figure in the circulating cold air path of expression refrigerating chamber and refrigerating chamber.

Fig. 4 a is the ideograph that the expression refrigerating chamber cools off each several part action when turning round separately.

Fig. 4 b be expression with frost the ideograph of each several part action during as the frost utilization of Cooling and Heat Source cooling running.

Fig. 5 a is to the ideograph of the adverse current phenomenon of refrigerating chamber adverse current in the expression current refrigerator.

Fig. 5 b is the figure of the relation of refrigerating chamber rotation speed of the fan and refrigerating chamber and refrigerating chamber air quantity in the expression current refrigerator.

Fig. 6 a is the front view of the fan support component that relates to of embodiment of the present invention.

Fig. 6 b is the B-B cutaway view of Fig. 6 a.

Fig. 7 a is the rearview of the separating part that relates to of embodiment of the present invention.

Fig. 7 b is the D-D cutaway view of Fig. 7 a.

Fig. 8 is that the fan support component of Fig. 6 b and the separating part of Fig. 7 b make up the cutaway view of state afterwards.

Fig. 9 a is the refrigerating chamber that relates to of expression embodiment of the present invention ideograph when cooling off running separately, that suppress to flow into to refrigerating chamber the cold air flow under the state of cold air.

Fig. 9 b is the figure of relation of the air quantity of the size of the air quantity control part that relates to of expression embodiment of the present invention and refrigerating chamber and refrigerating chamber.

Fig. 9 c be the expression refrigerating chamber that relates to of embodiment of the present invention and refrigerating chamber temperature through the time figure that changes.

Figure 10 is the C-C cutaway view of Fig. 6 a, is the figure that another embodiment of the present invention relates to.

Figure 11 is expression and the figure of the different embodiments of Fig. 8.

Among the figure:

1-refrigerator main body, 2-refrigerating chamber cold gas exhausting outlet, 3-refrigerating chamber (cryogenic temperature band chamber, storeroom), (the refrigerating chamber air delivery duct, discharge air channel of 3f-refrigerating chamber side, the air channel), 4-refrigerating chamber (refrigerated storage temperature band chamber, storeroom), (the refrigerating chamber air delivery duct, discharge air channel of 4f-refrigerating chamber side, the air channel), 5-refrigerating chamber cold air return port, 6-the first refrigerating chamber cold gas exhausting outlet, 7-refrigerating chamber door, 8-refrigerating-chamber door, 9-adiabatic partition wall, 10-refrigerating-chamber door accommodation section, 11-container for drink, 12-separating part, 13-refrigerating chamber fan (cryogenic temperature band chamber blowing unit, second pressure fan), 13a, 14a-fan front face, 14-refrigerating chamber fan (refrigerated storage temperature band chamber blowing unit, first pressure fan), 15-the first refrigerating chamber air channel, 16-cooler, 17-the second refrigerating chamber air channel, 18-fan support component, 19-shelf, 20-accommodation box, 21-air channel, 22-compressor, 23,24-protuberance (boundary portion), 25-refrigerating chamber cold air return port, 26-the second refrigerating chamber cold gas exhausting outlet, 27-refrigerating chamber returns the air channel, 28-chute (water storing unit), 29-radiator, 30-restriction (decompressing unit), 31-pipe arrangement, 33-cold air, 35-adverse current cold air, 37-air quantity control part, 40-refrigerating chamber air door (refrigerating chamber cold air adjustment unit) is flowed in the control of 38-air quantity, 41-Defrost heater (heating unit), 42-encapsulant, 43-temperature of refrigerating chamber, 44,45,46,47-freezer temperature, 50-control device, 51-cutting part, 52-compartment parts, 53-partition member, 54-type variable air quantity control part, 55-refrigerating chamber air quantity, 56-refrigerating chamber air quantity, 57-baffle plate.

The specific embodiment

Use the description of drawings embodiment of the present invention.

Fig. 1 is the front view of the refrigerator that relates to of embodiment of the present invention, is the front view of expression door opening-wide state.Fig. 2 is that the door of removing the refrigerator that embodiment of the present invention relates to, the master in explanation circulating cold air path look perspective view.Fig. 3 is the A-A cutaway view of Fig. 2, is the figure in the circulating cold air path of expression refrigerating chamber and refrigerating chamber.

And, only be recited as under the situation of refrigerator in the present embodiment, comprise the deep freezer that possesses refrigerated storage temperature band chamber and cryogenic temperature band chamber.

Refrigerator main body 1 is the large-scale refrigerator that internal volume has 600L ~ 700L volume, and the width of refrigerator main body 1 is 750 ~ 800mm, and corresponding to this, the width of the cooler 16 of circulation cold air surpasses 500mm in the cooler bin.And, in the bottom of cooler 16, in order to melt the frost that generates on the cooler 16, be provided with the Defrost heater 41 as heating unit.Be attached to the defrost water that produces in the defrosting operation process of the frost on the cooler 16 by Defrost heater 41 heating and be discharged to the outside from the chute 28 as water storing unit that is located at cooler 16 belows.

In case, across adiabatic partition wall 9, dispose refrigerating chamber 3(cryogenic temperature band chamber, the storeroom of cryogenic temperature band at upside), dispose refrigerating chamber 4(refrigerated storage temperature band chamber, the storeroom of refrigerated storage temperature band at downside).Just, be provided with a plurality of storerooms.

In refrigerating chamber 3, be provided with the shelf 19 that storage space is divided up and down.Equally, in refrigerating chamber 4, shelf that storage space is divided up and down 19 is provided with multilayer at above-below direction.

In the bottom of refrigerating chamber 4, be provided with the accommodation box 20 that is fit to hold vegetable and fruit classes such as vegetables, fruit.Directly in accommodation box 20, do not blow out cold air, but by surrounded cooling off indirectly of accommodation box 20 on every side by cold air.Thus, not to the direct blast-cold gas of vegetable and fruit class, so can suppress dry.And accommodation box 20 needn't be complete airtight construction, can be the structure of cold air to a certain degree to flow into from the gap of accommodation box 20.

In the front of refrigerating chamber 3 and refrigerating chamber 4 (to refrigerator main body 1 from top view time front side), be formed with opening respectively.This opening can be opened and closed by refrigerating chamber door 7 and refrigerating-chamber door 8 respectively.In the storage space side of refrigerating-chamber door 8, possesses multilayer refrigerating-chamber door accommodation section 10 at above-below direction.Refrigerating-chamber door accommodation section 10 is bag shapes of upper opening, is suitable for holding container for drink 11 such as the plastic bottle that is filled with cold drink water, mineral water, jar, and the user is easy to access container for drink 11.

The separating part 12 of (rear side in the refrigerating chamber 3 to refrigerator main body 1 during from top view) is provided with refrigerating chamber cold gas exhausting outlet 2 on top in refrigerating chamber 3 inboards, is provided with refrigerating chamber cold air return port 5 in its underpart.And refrigerating chamber cold gas exhausting outlet 2 is provided with a plurality of at above-below direction, blows out cold air respectively accordingly with a plurality of storage spaces of being divided by shelf 19.

The refrigerating chamber separating part 39 of (rear side in the refrigerating chamber 4 to refrigerator main body 1 during from top view) is provided with a plurality of first refrigerating chamber cold gas exhausting outlets 6 at above-below direction in refrigerating chamber 4 inboards, carries cold air to each storage space of being divided by shelf 19.This first refrigerating chamber cold gas exhausting outlet 6 be communicated with the first refrigerating chamber air channel 15 that predetermined distance arranges in pairs at left and right directions, be provided with a plurality ofly, cold air can supply to the corner, the left and right sides of the big storage space of width.

And, at adiabatic partition wall 9, be provided with the second refrigerating chamber air channel 17 at fore-and-aft direction.Forward end in this second refrigerating chamber air channel 17 is formed with the second refrigerating chamber cold gas exhausting outlet 26 that is communicated with refrigerating chamber 4.The second refrigerating chamber cold gas exhausting outlet 26 forms the 10 direct cool-air feeds to the refrigerating-chamber door accommodation section near above the refrigerating-chamber door accommodation section 10.

The first refrigerating chamber air channel 15 and the second refrigerating chamber air channel 17 are communicated with air channel 21.Air channel 21 processes are located at the right side of the cooler 16 at refrigerating chamber 3 rears, and near the width along refrigerator main body 1 adiabatic partition wall 9 is expanded.Then, near the adiabatic partition wall 9 of broad ways expansion, air channel 21 branches into the first refrigerating chamber air channel 15 and the second refrigerating chamber air channel 17.

Air channel 21 before branching into the first refrigerating chamber air channel 15 and the second refrigerating chamber air channel 17 is provided with as the refrigerating chamber air door 40 of control to the refrigerating chamber cold air control module of the quantity delivered of the cold air of refrigerating chamber 4 supplies.

In addition, in the bottom of refrigerating chamber separating part 39 and at the rear of accommodation box 20, be provided with refrigerating chamber cold air return port 25.The refrigerating chamber that is communicated with refrigerating chamber cold air return port 25 return air channel 27 about the first refrigerating chamber air channel 15 between and arrange at above-below direction in the roughly back side of refrigerating chamber 4 central authorities.

Above the cooler 16 of separating part 12 inboards of refrigerating chamber 3, about be provided with refrigerating chamber fan 13(cryogenic temperature band chamber blowing unit from cold air to refrigerating chamber 3, second pressure fan of carrying side by side) and carry refrigerating chamber fan 14(refrigerated storage temperature band chamber blowing unit, first pressure fan of cold air to refrigerating chamber 4).Refrigerating chamber fan 13 and refrigerating chamber fan 14 are fixed by fan support component 18 and are supported on assigned position, and comparing separating part 12 does not have storage space forwardly to expose.

In addition, the separating part 12 in the place ahead of refrigerating chamber fan 13 and refrigerating chamber fan 14 (refrigerating chamber 3 sides) is respectively equipped with fan front face 13a, 14a.This

fan front face

13a, 14a are transparent or translucent window shape parts, across

fan front face

13a, 14a, can see refrigerating chamber fan 13 and refrigerating chamber fan 14 from refrigerating chamber 3 sides.

As shown in Figure 3, under the situation of cooling refrigerating chamber 3, by running refrigerating chamber fan 13, by cold air 3 conveyings from refrigerating chamber cold gas exhausting outlet 2 to refrigerating chamber of cooler 16 coolings.The cold air of carrying to refrigerating chamber 3 returns cooler 16 from refrigerating chamber cold air return port 5, is cooled thereby carry out heat exchange again.And, at this moment, by making refrigerating chamber air door 40 closures, can be not to refrigerating chamber 4 cool-air feeds, and only refrigerating chamber 3 is cooled off.

On the other hand, as Fig. 2 and shown in Figure 3, under the situation of refrigerated compartment 4, by running refrigerating chamber fan 14, cold air by cooler 16 coolings is distributed to the first refrigerating chamber air channel 15 and the second refrigerating chamber air channel 17 after through air channel 21, refrigerating chamber air door 40, carry to refrigerating chamber 4 from the first refrigerating chamber cold gas exhausting outlet 6 and the second refrigerating chamber cold gas exhausting outlet 26 respectively.The cold air of discharging from the first refrigerating chamber cold gas exhausting outlet 6 mainly cools off the contents of mounting on shelf 19.The cold air of discharging from the second refrigerating chamber cold gas exhausting outlet 26 mainly cools off the contents in the refrigerating-chamber door accommodation section 10.

Refrigerating chamber cold air return port 25 is located at the rear side of accommodation box 20, returns air channel 27 via the refrigerating chamber of the rear side central portion that is located at refrigerating chamber 4 and returns cooler 16 from the below.

Under the situation to refrigerating chamber 3 and refrigerating chamber 4 refrigeration, running refrigerating chamber fan 13 and refrigerating chamber fan 14 are opened refrigerating chamber air door 40, can be to cooling off in the case at the same time.

Consider the energy saving of refrigerator, the cooler 16 that is in the cryogenic temperature band preferably is located at the inboard of refrigerating chamber 3.Circulating cold air air channel by 13 exhausting cold airs of refrigerating chamber fan is: discharge to refrigerating chamber 3 from the refrigerating chamber cold gas exhausting outlet 2 of the separating part 12 that is located at refrigerating chamber fan 13 the place aheads, return from refrigerating chamber cold air return port 5, so the flowing resistance of refrigerating chamber 3 sides becomes less easily.

On the other hand, the growth of refrigerating chamber 3 sides distance is compared in the circulating cold air air channel of refrigerating chamber 4 sides.In addition, for the extension of the food spatial accommodation (internal volume) of realizing refrigerating chamber 4, then the flowing resistance of cool-air duct becomes big easily.

The temperature inside the box is controlled with the output of Temperature Detector (all not shown) with Temperature Detector and refrigerating chamber based on refrigerating chamber by program stored in the control device 50.By implementing to be controlled respectively by control device 50 the cooling running of refrigerating chamber fan 13, refrigerating chamber fan 14, refrigerating chamber air door 40, compressor 22, the temperature inside the box is controlled.

Herein, under the situation of the refrigerator that utilizes 16 pairs of refrigerating chambers 3 of single cooler and refrigerating chamber 4 to cool off, after the refrigerating chamber that separately refrigerating chamber 4 is cooled off is set cools off running separately, utilize the evaporating temperature consistent with the storeroom temperature of refrigerated storage temperature band, can implement the efficient running of freeze cycle.

Under this situation, cool off running separately in order to implement refrigerating chamber, it is also conceivable that the discharge side (the cold air downstream of refrigerating chamber fan 13) at refrigerating chamber fan 13 arranges cut-out to the special-purpose air door of the refrigerating chamber of refrigerating chamber 3 sides air-supply.But, in the big large-scale refrigerator of width, in order to suppress the increase of flowing resistance, be necessary to make the refrigerating chamber air door to maximize to arrange, thus consider the raising that the guaranteeing of space, air door seal are set, and be not suitable for.

Then, use the action of the each several part under the situation that Fig. 4 a and Fig. 4 b explanation cools off the refrigerating chamber side in possessing refrigerating chamber fan 13, refrigerating chamber fan 14 and constituting as the air channel of the refrigerator of the embodiment of the refrigerating chamber air door 40 of refrigerating chamber cold air adjustment unit.Herein, expression is cold air flow under the refrigerating chamber that utilizes air quantity control part 37 to suppress to produce in current refrigerator air channel structure adverse current phenomenon (seeing for details the hereinafter) situation when cooling off running separately.

Fig. 4 a is the ideograph that the expression refrigerating chamber cools off each several part action when turning round separately.Separately discharge crosswind road of the refrigerating chamber fan 13 that refrigerating chamber 3 is cooled off, refrigerating chamber fan 14 that refrigerating chamber 4 is cooled off, just from cooler 16 to refrigerating chamber the part in 4 air channel, the part in 3 air channel is each other across boundary portion L disposed adjacent (with reference to Fig. 8) from cooler 16 to refrigerating chamber.The 3f(air channel, discharge air channel of these adjacent refrigerating chamber 3 sides) with the 4f(air channel, discharge air channel of refrigerating chamber 4 sides) be respectively equipped with as boundary portion and

relative protuberance

23,24, by this

protuberance

23,24 phase ground connection are configured, separate (with reference to Fig. 6 b, Fig. 7 b, Fig. 8) to discharging air channel 3f, 4f.And, in the part of

protuberance

23,24 boundary portion L respect to one another, be provided with the air quantity control part 37 that the discharge air channel 4f with the discharge air channel 3f of refrigerating chamber 3 sides and refrigerating chamber 4 sides is connected with each other.

Be formed with compressor 22, radiator 29, restriction 30(decompressing unit), the freeze cycle that connects into of the pipe arrangement 31 that flowed by refrigerant successively of cooler 16.In the radiator 29, in order to promote heat radiation, possesses radiator fan 32.In Fig. 4 a, owing to separately refrigerating chamber 4 is cooled off, make compressor 22 be ON(work), refrigerating chamber fan 13 stops for OFF(), refrigerating chamber fan 14 is ON(work), refrigerating chamber air door 40 is opened for OPEN(), cold air 33 cools off through 40 pairs of refrigerating chambers 4 of refrigerating chamber air door.

In order to implement energy-saving operation by the evaporating temperature that improves cooler 16, compressor 22 is low-speed running.Just, normally refrigerating chamber 4 is maintained about 5 ℃, and refrigerating chamber 3 is maintained approximately-18 ℃, but when separately refrigerating chamber 4 being cooled off, owing to can not consider the cryogenic temperature band, so can improve evaporating temperature by making compressor 22 carry out low-speed running, can carry out energy-saving operation.

Except being the low-speed running of compressor 22 of purpose with the energy-saving operation, situation, the door of stipulated time of putting into a large amount of food in refrigerating chamber 4 opens wide the refrigerating chamber of implementing under the situation such as time growth and cools off the cold air flow of running fast also shown in the ideograph of Fig. 4 a.But under this situation, compressor 22 turns round to rotate at a high speed.And these cooling runnings are by control device 50 controls that are located at refrigerator main body 1.

Fig. 4 b be expression with frost the ideograph of each several part action during as the frost utilization of Cooling and Heat Source cooling running.And the air channel constitutes identical with Fig. 4 a.Since with frost as Cooling and Heat Source, so can cool off only for refrigerated storage temperature band chamber (under the situation of the refrigerator that possesses vegetable storage chamber, also comprising vegetable storage chamber).Identical with Fig. 4 a, make refrigerating chamber fan 14 be ON(work), refrigerating chamber air door 40 is opened for OPEN(), still, compressor 22 is stopped for OFF().

By running refrigerating chamber fan 14, when the frost layer temperature that is attached on the cooler 16 risen, the temperature of cooler 16 is also risen.After the temperature that improves cooler 16, make compressor 22 be ON, implement refrigerating chamber and cool off running separately, make the efficient of freeze cycle improve, so can access energy-saving effect.

Frost utilize the cooling running according to the temperature sensor that is located at cooler 16, be located at refrigerating chamber 3, refrigerating chamber 4 temperature sensor, be located at the rotating speed of the temperature control refrigerating chamber fan 14 that the outer temperature sensor (all not shown) of case detects.In frost utilization cooling running, control is located at the defrosting running of energising of Defrost heater 41 of the bottom of cooler 16 when also being included in running refrigerating chamber fan 14.Just, by the control heating unit add heat, heat time heating time, energising amount etc., control frost and utilize the cooling running.But, owing to be in the defrosting operation process, therefore make compressor 22 be OFF.By running refrigerating chamber fan 14 in to Defrost heater 41 energising, be that Cooling and Heat Source also can refrigerated compartment 4 with the frost, energy-conservationization in the time of can realizing defrosting by the cold and hot energy that melted the discarded frost in back is effectively utilized in the past.In addition, it is the cooling of Cooling and Heat Source that the defrosting running that compressor 22 is stopped and making the frost utilization cooling running of refrigerating chamber fan 14 work and in to Defrost heater 41 energisings refrigerating chamber fan 14 is worked is with the frost, can carry the cold air of the moisture that comprises frost to refrigerating chamber 4, so except energy-saving operation, can also implement to be fit to the cooling that vegetables preserve in the refrigerating chamber 4.

In sum, even if single cooler 16, by the action of combination freeze chamber fan 13 and refrigerating chamber fan 14, refrigerating chamber air door 40, compressor 22, the refrigerating chamber that also can implement to have improved the efficient of freeze cycle cools off running separately.Possess also can implement cold air flow and refrigerating chamber cool off the identical frost utilization cooling running of running separately, in running refrigerating chamber fan 14 to the air channel structure of the defrosting running of Defrost heater 41 energisings.And the quick cooling running of carrying out the refrigerating chamber that runs up 4 of compressor 22 is same cold air flow also, can implement.

In addition, beyond cooling running shown in Fig. 4 a, Fig. 4 b, can also implement the refrigerating chamber cooling running (refrigerating chamber air door 40 closes for CLOSE() that running refrigerating chamber fan 13 cools off refrigerating chamber 3 according to the design temperature in the case or the thermic load in the case), running refrigerating chamber fan 13 and the refrigerating chamber fan 14 refrigerating chamber cooling of cooling off refrigerating chamber 3 and refrigerating chamber 4 simultaneously turn round (refrigerating chamber air door 40 is opened for OPEN()).

Then, use Fig. 5 a, Fig. 5 b to describe the adverse current phenomenon that when refrigerated compartment 4 sides, takes place in the air channel formation of existing refrigerator in detail.

Fig. 5 a is to the ideograph of the adverse current phenomenon of refrigerating chamber adverse current in the expression current refrigerator.And, for simply, omitted the pie graph of freeze cycle.Fig. 5 b is the figure of the relation of refrigerating chamber rotation speed of the fan and refrigerating chamber and refrigerating chamber air quantity in the expression current refrigerator.And refrigerating chamber fan 13 is halted state.

Compare the cool-air duct of refrigerating chamber 103, the flowing resistance of the cool-air duct of refrigerating chamber 104 is bigger, so it is such can not become the cold air flow shown in Fig. 4 a, Fig. 4 b, but produce so-called adverse current cold air 135(dotted arrow), namely, do not flow into coolers 116 from refrigerating chamber cold air return port 125 in the part of the cold air 133 of 104 sides circulations, flow into refrigerating chambers 103 without cooler 116 ground from refrigerating chamber cold air return port 105.The adverse current cold air 135 that flows into refrigerating chamber 103 is mobile to the suction side (upstream side of common cold air flow) of refrigerating chamber fan 114 from the discharge side (downstream of common cold air flow) of refrigerating chamber fan 113, carries to refrigerating chamber 104 again via refrigerating chamber air door 140, refrigerating chamber cold gas exhausting outlet 106.Under the situation of frosting, the appearance of adverse current phenomenon is particularly remarkable in cooler 116.

Shown in Fig. 5 b, if with refrigerating chamber cool off when running separately, the rotating speed of refrigerating chamber fan 114 when frost utilizes the cooling running, when making the defrosting running of refrigerating chamber fan 14 runnings, when refrigerating chamber cools off running fast brings up to N2 from N1 respectively, then refrigerating chamber air quantity 55 straight lines of refrigerating chamber 104 sides increase (positive flow path direction).But the part of the cold air of circulation flows into the generation adverse current from the refrigerating chamber cold air return port 105 of refrigerating chamber 103 in refrigerating chamber 104, so even if refrigerating chamber fan 113 is stopped, flowing into the also straight line increase of refrigerating chamber air quantity 56 of refrigerating chamber 103.But, the adverse current that it flows and flows into for from refrigerating chamber cold air return port 105.

Cool off in the running separately at the refrigerating chamber of paying attention to energy saving, because compressor is with low-speed running, cool off when turning round so compare refrigerating chamber, the temperature of circulation cold air is higher, exists owing to adverse current cold air 135 causes the possibility that freezer temperature rises in the refrigerating chamber cooling operation process.

And the cold air that comprises refrigerating chamber 104 sides of large quantity of moisture flows into refrigerating chamber 103 as adverse current cold air 135, so be easy to generate frost near refrigerating chamber cold air return port 105, also has the situation of frosting on the wall of refrigerating chamber 103.

Under this situation, utilize Defrost heater can be melted in the frost that produces on the cooler 116, still be not melted in the means of the frost that generates on the wall in the refrigerating chamber 103, ease of use descends.And, also there be the possible of frosting on the surface of frozen food, the keeping quality of food worsens.

In the part of the cold air of refrigerating chamber 104 sides circulations no longer by cooler 116, so the cooling performance of refrigerating chamber 104 also worsens.Equally, stop and carrying to refrigerating chamber 104 under the situation of frost utilization cooling running of cold air (Fig. 4 b) in the running that makes compressor, compare the situation that makes compressor 122 runnings, cold air temperature in the circulation of refrigerating chamber 104 sides is higher, so the influence that temperature is risen that causes owing to the adverse current to refrigerating chamber 103 is bigger.

Then the structure at the air quantity control part 37 that arranges on refrigerating chamber fan 13, the refrigerating chamber fan 14 discharge crosswind road separately is elaborated.

Fig. 6 a is the front view of the fan support component that relates to of embodiment of the present invention.Fig. 6 b is the B-B cutaway view of Fig. 6 a.Fig. 7 a is the rearview of the separating part that relates to of embodiment of the present invention.Fig. 7 b is the D-D cutaway view of Fig. 7 a.Fig. 8 is that the fan support component of Fig. 6 b and the separating part of Fig. 7 b make up the cutaway view of state afterwards.

As shown in Figure 8, front side combination separating part 12 at fan support component 18, in order to blow to refrigerating chamber 3 and refrigerating chamber 4, the cool-air duct of the discharge side of refrigerating chamber fan 13 and refrigerating chamber fan 14 (than the downstream of fan by cold air flow) is adjacent to form.Refrigerating chamber fan 13 and refrigerating chamber fan 14 are for the suction side of separating fan separately (than the upstream side of fan by cold air flow) and discharge the air channel of side (leaning on the downstream of cold air flow than fan) and be arranged side by side at fan support component 18.Peripheral part in refrigerating chamber fan 14 and air channel 21 is provided with protuberance 23(with reference to Fig. 6 a, Fig. 6 b), air channel 21 is connected with the first refrigerating chamber cold gas exhausting outlet 6 with the second refrigerating chamber cold gas exhausting outlet 26.On the other hand, on separating part 12, also be provided with protuberance 24, by the protuberance 23 that is located on the fan support component 18 is contacted with the part of protuberance 24, come combination fan support component 18 and separating part 12, make the cold air that produced by refrigerating chamber fan 13 the air channel abcd of process and the cold air that produced by refrigerating chamber fan 14 the air channel befc of process to form separately cool-air duct (with reference to Fig. 8) across the adjacent mode of boundary portion L each other.

Just, carried to refrigerating chamber 3 from the refrigerating chamber cold gas exhausting outlet 2 that is located on the separating part 12 to the cold air that refrigerating chamber 3 is carried in the abcd of air channel by refrigerating chamber fan 13.Thereby can separate air channel abcd and air channel befc as long as protuberance 24 contacts a part respect to one another with protuberance 23, so can be that for example protuberance 23 carries out contacting structure as peucinous parts, protuberance 24 as encapsulants such as sponges.

For the fan support component 18 that possesses refrigerating chamber fan 13 and refrigerating chamber fan 14, be located at the separating part 12 that fan is separately discharged side, consider assembleability and cooler 16,

fan

13,14 etc. maintainability, it is a lot of to cut apart situation about designing, and fan support component 18 and separating part 12 utilizes the screw that is located at assigned position etc. to fix usually.

Utilize under the situation that adhesives, deposited (for example hot plate is deposited, vibration is deposited, ultrasonic is deposited) be adhesively fixed at the junction surface of the protuberance 24 that is oppositely arranged respectively on separating part 12 and the fan support component 18 and protuberance 23, because purpose is not form at the junction surface gap, so prerequisite is very close to each other.

On the other hand, do not using bonding, the deposited protuberance 23 that makes, can be considered as being formed with the gap at the junction surface under the relative situation about also contacting with partition member respectively with protuberance 24 (for example hot plate is deposited, vibration is deposited, ultrasonic is deposited).Therefore, make

protuberance

23,24 relatively and when contacting, form gap at contact-making surface with partition member respectively.Just, form air quantity control part 37 in the adjacent discharge crosswind road of refrigerating chamber fan 13 and refrigerating chamber fan 14, can suppress the adverse current phenomenon that produces when refrigerating chamber 4 sides are cooled off.

Because refrigerating chamber fan 14 is discharged to the Quilt with air conditioning that refrigerating chamber 4 is carried in the befc of air channel, carry to refrigerating chamber 4 from the first refrigerating chamber cold gas exhausting outlet 6, the second refrigerating chamber cold gas exhausting outlet 26 via air channel 21.In addition, at the peripheral part of separating part 12, the encapsulant 42 by setting has flexibility has improved seal.

And air quantity control part 37 gets final product between refrigerating chamber fan 13 and refrigerating chamber fan 14 at least, for example, can for outside the periphery of air channel abcd, befc carry out bonding, deposited structure.

In addition, be provided with under

protuberance

23,24 the situation the both sides of fan support component 18 and separating part 12, be illustrated at the situation that between

protuberance

23,24, is provided with air quantity control part 37, but be not limited to this.For example, under the situation that is provided with from fan support component 18 to separating part 12 side-prominent protuberances 23, between protuberance 23 and separating part 12 air quantity control part 37 being set gets final product, under the situation that is provided with from separating part 12 to the fan support component 18 side-prominent protuberances 24, between protuberance 24 and fan support component 18, air quantity control part 37 is set and gets final product.

Then, Fig. 9 a is the refrigerating chamber that relates to of expression embodiment of the present invention ideograph when cooling off running separately, that suppress to flow into to refrigerating chamber the cold air flow under the state of cold air.

The refrigerating chamber fan 13 that refrigerating chamber 3 is cooled off, the refrigerating chamber fan 14 discharge crosswind road separately that refrigerating chamber 4 is cooled off dispose adjacent to each other, and

protuberance

23,24 is relatively contacted, and separate and discharge the crosswind road.Herein, a part of discharging the separating part of side at the fan that is made of protuberance 23 and protuberance 24 arranges air quantity control part 37, produces air quantity control and flows 38.Make the mobile 38 process air quantity control parts 37 of air quantity control as the discharge part of air of refrigerating chamber fan 14, via refrigerating chamber fan 13 downstreams, flow into refrigerating chambers 3 from refrigerating chamber cold gas exhausting outlet 2.

Air quantity control flows 38 mobile with the direction of the flowing opposite of the adverse current cold air 35 to refrigerating chamber 3 adverse currents from refrigerating chamber cold air return port 5, so the effect that the adverse current that can be inhibited as can be known produces.As shown in Figure 8, in the refrigerator of present embodiment, with the fan support component 18 that arranges as single component respectively and separating part 12 after the combination configuration of the inboard of refrigerating chamber 3 (to refrigerator main body 1 from top view time rear side), owing to be located at the protuberance 23 of the rib shape on the fan support component 18 and be located at the protuberance 24 of the rib shape on the separating part 12, make cool-air duct befc that cool-air duct abcd that refrigerating chamber fan 13 produces and refrigerating chamber fan 14 produce each other about (width of refrigerator main body 1) be adjacent to form.Make the discharge side separating part of protuberance 23 and protuberance 24 relative and the refrigerating chamber fan 13 that forms and refrigerating chamber fan 14 owing to constitute fan support component 18 and separating part 12 with single component, so the part that contacts with each other at protuberance 23 and protuberance 24 forms the gap, can form air quantity control part 37.And the part that protuberance 23 or protuberance 24 contact with each other produces the gap, many places, also can be by they being added up to become the structure of the function with air quantity control part 37.

As mentioned above, when the

protuberance

23,24 that is made of fan support component 18 and separating part 12 constitutes with single component, air quantity control part 37 can easily be set, the harmful effects such as temperature rising of the refrigerating chamber 3 that the adverse current cold air 35 that flows into from refrigerating chamber cold air return port 5 in the time of can relaxing refrigerating chamber and cool off separately causes.

And, under the situation that air quantity control part 37 is set, also can make separating part 12, fan support component 18 not for dividing body component, separating part 12, fan support component 18 are structure as a whole.

Then, size and the adverse current inhibition at air quantity control part 37 describes.

Fig. 9 b measures the accompanying drawing that this moment, air quantity obtained by the size that changes air quantity control part 37.Airflow meter is shown that more the upside to figure is more big on common cold air flow direction, and is more more big on the rightabout of common cold air flow to downside.

Shown in Fig. 9 b, cool off separately under the situation of running (refrigerating chamber fan 14 running, refrigerating chamber fan 13 stop) carrying out refrigerating chamber, at the contact site of the situation that does not have air quantity control part 37 (big or small D1), the protuberance 23 that just on fan support component 18 and separating part 12, arranges respectively and protuberance 24 by bonding situation or fan support component 18 and separating part 12 by integrated and form under the situation of adjacent cool-air duct abcd and cool-air duct befc refrigerating chamber air quantity 56 maximums in adverse current zone.If it is D2, D3, D0 that air quantity control part 37 is increased, then the refrigerating chamber air quantity 56 in adverse current zone is suppressed.According to the running difference as the refrigerator of object, varying in size of air quantity control part 37 for example, is being used for employed other refrigerator of internal volume 600L level of research, the sizableness of air quantity control part 37 in

Hole (big or small D0), can suppress adverse current substantially.

The part that contacts with each other at protuberance 23 or protuberance 24 forms under the situation in a plurality of gaps, is equivalent to size after they are added up

The hole of degree gets final product.And the air quantity that refrigerating chamber air quantity 55 is subjected to flowing in air quantity control part 37 is controlled mobile 38 influence, along with air quantity control part 37 increases, reduces on the some degree of flow.The air quantity that utilizes a part to carry to refrigerating chamber 4 produces through the air quantity control of air quantity control part 37 and flows 38, so the higher limit of the size of air quantity control part 37 is at least less than the area of section of the air channel befc that carries to refrigerating chamber 4.

Fig. 9 c be the expression refrigerating chamber that relates to of embodiment of the present invention and refrigerating chamber temperature through the time figure that changes.The temperature inside the box of refrigerating chamber 3, refrigerating chamber 4 is the value of being measured by the temperature sensor (not shown) that is located in the case separately, and the detected value based on setting value and the temperature inside the box sensor in the case turns round according to the control method of storing in the control device 50.In refrigerating chamber cooling running, freezer temperature 47 is from the temperature T F1(time t1 as the upper limit) be cooled to the temperature T F2(time t2 as lower limit).At this moment, refrigerating chamber air door 40 is CLOSE, and refrigerating chamber fan 13 is ON, and refrigerating chamber fan 14 is OFF.

In refrigerating chamber cooling operation process, under the situation of temperature T R1 arrival as the temperature T R2 of the upper limit, implement the refrigerating chamber individual operation at temperature of refrigerating chamber.At this moment, refrigerating chamber air door 40 is OPEN, and refrigerating chamber fan 14 is ON, and refrigerating chamber fan 13 is OFF.Temperature of refrigerating chamber 43 passes through in time and descends, and freezer temperature is because the influence of adverse current cold air 35 causes temperature to rise.Like this, under the situation that air quantity control part 37 is not set, the freezer temperature 45 that refrigerating chamber cools off separately in the operation process rises.On the other hand, when making the size of air quantity control part 37 be D2, D3 (with reference to Fig. 9 b), the freezer temperature 46 that is represented by dotted lines, the temperature of freezer temperature 44 rise and are relaxed.

Then, Figure 10 is the C-C cutaway view of Fig. 6 a, is the figure that another embodiment of the present invention relates to.In this embodiment, setting in advance cutting part 51 in the part of protuberance 23, is the structure with function of air quantity control part 37.In the present embodiment, because big or small unique decision of air quantity control part 37 further improves so suppress the effect of adverse current.In Figure 10, in the part of protuberance 23, be provided with the cutting part 51 lower than other parts, but also can this cutting part 51 be set at protuberance 24.In addition, as shown in Figure 8, separating part 12 and fan support component 18 are single component, but as long as

protuberance

23,24 at least any one party or both sides cutting part 51 is set in advance, also can make separating part 12 and fan support component 18 integrated.

Then, Figure 11 is expression and the figure of the different embodiments of Fig. 8.The inside of the compartment parts 52 after making fan support component 18 and separating part 12 integrated, at refrigerating chamber fan 13 and refrigerating chamber fan 14 discharge side space separately partition member 53 is set, the discharge side cool-air duct abcd of refrigerating chamber fan 13, the discharge side cool-air duct befc of refrigerating chamber fan 14 are arranged adjacent to each other.At described partition member 53, be provided with the type variable air quantity control part 54 that possesses the mechanism that can change air quantity.Type variable air quantity control part 54 can be enumerated the air door that for example makes baffle plate 57 actions by electric energy.The size of the air quantity control part that arranges at partition member 53 is envisioned for the hole of tens millimeters degree sizes, so type variable air quantity control part 54 is small-sized.In Figure 11, as the electrodynamic type air door that is to use baffle plate that type variable air quantity control part 54 is enumerated, also can adopt the mode that waits to adjust the air channel area of section of air quantity control part 37 by throttle vanes mechanism, butterfly valve.

, can consider herein, the air door of refrigerating chamber special use is set in the way, air channel of refrigerating chamber side, close the special-purpose air door of refrigerating chamber when turning round by cooling off separately at refrigerating chamber, directly suppress the adverse current cold air 35 to the refrigerating chamber side.But for the flowing resistance ground that does not increase the refrigerating chamber side arranges the special-purpose air door of refrigerating chamber in way, refrigerating chamber air channel, the special-purpose air door of refrigerating chamber is large-scale.Consider the space is set, preferably at partition member 53 type variable air quantity control part 54 is set, suppress to the adverse current of refrigerating chamber 3.In addition, because in cooler 16 frostings, so the air quantity through subcooler 16 changes when refrigerating chamber cools off running separately, the air quantity from refrigerating chamber cold air return port 5 to refrigerating chamber 3 adverse currents also changes.

After the beginning refrigerating chamber cools off running separately, utilize type variable air quantity control part 54, the variations in temperature of freezer temperature 44 shown in the chart of imaginary picture of primitive people 9c is opened for baffle plate the aperture of predesignating.If cooling increases the duration of runs, because frosting on cooler 16, so following phenomenon occurs: the air quantity of adverse current cold air 35 increases, and resembles to rise the freezer temperature 46.In this case, increase air quantity control by the baffle opening that increases type variable air quantity control part 54 and flow, being adjusted in advance, the temperature-rise ratio example of the refrigerating chamber of imagination gets final product.But as illustrated among Fig. 9 (b), the size of the peristome of the maximum of type variable air quantity control part 54 is at least less than the area of section to the air channel befc of refrigerating chamber 4 air-supply.

In addition, also be the cooling of circulation in refrigerating chamber 4 because frost shown in Fig. 4 b utilizes the cooling running, so occur in the phenomenon of a part from refrigerating chamber cold air return port 5 to refrigerating chamber 3 adverse currents of the cold air of refrigerating chamber 4 sides circulation.Be provided with air quantity control part 37 in order to suppress the adverse current phenomenon, but the temperature that causes freezer temperature sensor to detect owing to adverse current in frost utilization cooling operation process surpasses under the situation of setting, can further possess to stop the control module that frost utilization is cooled off running and made compressor 22 work.

In the defrosting that refrigerating chamber cools off running, white utilization cooling running separately and refrigerating chamber fan 14 is worked is turned round, purpose for being suppressed at the adverse current cold air 35 of the part of the cold air of circulation in the refrigerating chamber 4 is provided with air quantity control part 37 or type variable air quantity control part 54.And except suppressing adverse current cold air 35, can also when freezing running, increase the air quantity of carrying to refrigerating chamber 3.For example, under the situation of carrying out the snap frozen running, except making 13 runnings of refrigerating chamber fan, also make 14 runnings of refrigerating chamber fan, refrigerating chamber air door 40 is closed, like this, the air quantity that obtains when only being made refrigerating chamber fan 13 running, can also increase through air quantity control part 37 or type variable air quantity control part 54 air quantity parts, the cooling performance during the snap frozen running improves.

More than, according to each structure as embodiment of the invention explanation, purpose is, in the refrigerator that possesses single cooler, refrigerating chamber fan, refrigerating chamber fan, refrigerating chamber air door, adverse current phenomenon that take place, from the refrigerating chamber return port to refrigerating chamber when cooling off running separately by being suppressed at the enforcement refrigerating chamber, the refrigerating chamber of having implemented to improve energy saving cools off running separately.And by being suppressed at the adverse current to refrigerating chamber that produces when the enforcement refrigerating chamber cools off running separately, the surface that can be suppressed at refrigerating chamber, frozen food produces frost, can improve the keeping quality of energy saving and frozen food simultaneously.

In addition, not only can implement to have considered that the refrigerating chamber of energy saving cools off running separately, can also implement the identical refrigerating chamber in circulating cold air path and cool off running fast.

Claims

1. refrigerator possesses a plurality of storerooms and carries first pressure fan and second pressure fan of cold air, this refrigerator to be characterised in that respectively to described a plurality of storerooms,

The air channel that described first pressure fan is set and the air channel that described second pressure fan is set are across the local adjacent setting of boundary portion, in the discharge side of described first pressure fan in the air channel that described first pressure fan is set described boundary portion adjacent with the discharge side of described second pressure fan in the air channel that described second pressure fan is set, be provided with air channel air quantity control part connected to one another.

2. refrigerator, the refrigerating chamber that possesses the refrigerated storage temperature band, the refrigerating chamber of cryogenic temperature band, carry the refrigerating chamber fan of cold air to described refrigerating chamber, carry the refrigerating chamber fan of cold air to described refrigerating chamber, be provided with the refrigerating chamber air delivery duct of described refrigerating chamber fan, be provided with the refrigerating chamber air delivery duct of described refrigerating chamber fan, support the fan support component of described refrigerating chamber fan and described refrigerating chamber fan, and the separating part that arranges in the place ahead of described refrigerating chamber fan and described refrigerating chamber fan, this refrigerator is characterised in that

The discharge side of the described refrigerating chamber fan of the discharge side of the described refrigerating chamber fan of described refrigerating chamber air delivery duct and described refrigerating chamber air delivery duct is configured to: a part at least each other is adjacent across boundary portion between described fan support component and described separating part,

The described refrigerating chamber air delivery duct described boundary portion adjacent with described refrigerating chamber air delivery duct be provided with the protuberance side-prominent from described fan support component to described separating part or from described separating part either party or the both sides to the side-prominent protuberance of described fan support component, be provided with the air quantity control part that is communicated with described refrigerating chamber air delivery duct and described refrigerating chamber air delivery duct in the part of described boundary portion.

3. refrigerator according to claim 2 is characterized in that,

Be provided with from described fan support component under the situation of the side-prominent protuberance of described separating part, described air quantity control part is located between described protuberance and the described separating part,

Be provided with from described separating part under the situation to the side-prominent protuberance of described fan support component, described air quantity control part is located between described protuberance and the described fan support component,

Be provided with under the situation of protuberance at described fan support component and described separating part both sides, described air quantity control part is located between this protuberance.

4. according to each described refrigerator in the claim 1 to 3, it is characterized in that,

Described air quantity control part possesses the type variable air quantity control part that can change through the air conditioning quantity of this air quantity control part.