CN101382373A - Electrical refrigerator - Google Patents
Electrical refrigerator Download PDFInfo
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- CN101382373A CN101382373A CNA2008101699982A CN200810169998A CN101382373A CN 101382373 A CN101382373 A CN 101382373A CN A2008101699982 A CNA2008101699982 A CN A2008101699982A CN 200810169998 A CN200810169998 A CN 200810169998A CN 101382373 A CN101382373 A CN 101382373A
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Abstract
The invention provides a refrigerator having superior energy saving performance and convenience in use. This refrigerator provided with a heat insulating space inside by packing a heat insulating material between an outer casing 11 and an inner casing 10, and provided with a refrigerating compartment 20 at an uppermost stage as the heat insulating space, comprises cold air passages 30L, 30R formed at right and left both sides of a back face of the refrigerating compartment 20 and vertically extending, shelf members 21 dividing the refrigerating compartment 20 into a plurality of storage spaces, a metallic member 25 vertically extending over the plurality of storage spaces, cold air discharge ports 30a for discharging the cold air from the cold air passages 30 to an inner side in the width direction, and upper cold air discharge ports 30b for discharging the cold air to an upper part from the cold air passages, thus a temperature in the refrigerating compartment 20 can be equalized even when an interval between both cold air passages is wide.
Description
The application is that application number is 200710084769.6, the applying date is on February 28th, 2007, denomination of invention is divided an application for the application for a patent for invention of " refrigerator ".
Technical field
The present invention relates to refrigerator.
Background technology
Refrigerator at the superiors' configuration refrigerating chamber is extensively popularized.This type of refrigerator mostly be more than three in～refrigerator of big capacity levels, for example, the refrigerator that refrigerating chamber and vegetable compartment, refrigerating chamber together are arranged on the superiors is disclosed in 2001-No. 221554 communiques of patent documentation 1-TOHKEMY.The refrigerator of this patent documentation 1 possesses the thermal conductivity parts of the cold air path of the back portion that covers refrigerating chamber, and the thermal conductivity parts become the part of cold air path and realize preserving moisture in the refrigerating chamber, equalizing temperature.In addition, as the thermal conductivity parts, aluminium alloy or stainless steel etc. have been used.
Its front of refrigerating chamber is covered by the rotary type insulated door, and lamp inside the box is lighted and illuminated in refrigerating chamber when opening.Lamp inside the box is disposed at the back side one side or the ceiling portion of refrigerating chamber.In patent documentation 1, because the back portion of refrigerating chamber is by the covering of thermal conductivity parts, so lamp inside the box is configured in ceiling portion.
Lamp inside the box is being configured under the situation of ceiling portion, in the last refrigerator that has a plurality of shelves, if place more food on the shelf up, then the light of lamp inside the box is difficult to shine the bottom of refrigerating chamber in refrigerating chamber.In patent documentation 1, because the lamp inside the box of ceiling portion possesses a plurality of (with reference to Fig. 1) in front and back, so extensively illuminate in the refrigerating chamber to scope.
But, when the quantity of lamp inside the box increases, not only cause the increase of manufacturing process and cost to rise, because lamp inside the box certainly as heater, so will consume the electric energy of consumption corresponding with it more.
On the other hand, in patent documentation 1, the thermal conductivity parts constitute the part of cold air path, and the thermal conductivity parts are clipped between cold air path and the refrigerating chamber, and the cold and hot part that cold air produced by cold air path is dispersed in the refrigerating chamber through the thermal conductivity parts.Under this situation, because cold air and the temperature difference between the refrigerating chamber in the cold air path are big, so on the face of refrigerating chamber one side of thermal conductivity parts, condensate water occurred.So the refrigerator of patent documentation 1 possesses the discharge portion of directive property, discharge cold air simultaneously from the whole zone of directive property discharge portion.Therefore, flowing in the surface along refrigerating chamber one side of thermal conductivity parts in refrigerating chamber of the cold air after coming out from cold air path, has realized the inhibition to condensate water.
Usually, in the cold air path that the back side of refrigerating chamber one side possesses, have the outlet of cold air, be communicated with through between the outlet of this cold air and the refrigerating chamber.The outlet of this cold air is dispersed in the top/bottom latitude of cold air path usually, scatters the homogenising that realizes refrigerating indoor temperature up and down by the outlet that makes cold air.
Therefore, the misgivings of generation are, even cold air is discharged in the whole zone from the directive property discharge portion simultaneously as patent documentation 1, the part that does not have cold gas exhausting outlet of thermal conductivity parts can not be eliminated condensate water fully.
In addition, the cold air in the cold air path in passage from below guiding upward.Therefore, if make the air conditioning quantity of discharging from the directive property discharge portion too much, though the inhibition coagulation of thermal conductivity parts improves, the change of the flow direction of cold air is bigger.At this moment, because the loss of cold air flow increase, so the circulating cold air quantitative change is few.For guaranteeing certain circulating cold air amount, then will increase the quantity that is provided with of pressure fan, perhaps use the pressure fan that maximizes, this will cause the increase of power consumption easily.
These problems become significantly many because of the difference of the circulating cold air structure that the configuration of refrigerating chamber, refrigerating chamber, vegetable compartment causes, and are for the concrete structure that addresses these problems, not open in the patent documentation 1.
Summary of the invention
The present invention proposes in view of the above problems, and its invention task is to realize being easy to watch extensively the inside of the refrigerating chamber that is provided with in the superiors, perhaps realizes the optimization of the food preservation environment in the refrigerating chamber.
And, the purpose of this invention is to provide a kind of refrigerator, it is by solving the convenience that above-mentioned arbitrary problem realizes excellent energy-saving property and use.
For achieving the above object, filling with insulation material between outer container and interior case and make inside become insulated space, disposed in the refrigerator of refrigerating chamber in the superiors as insulated space, refrigerator of the present invention possesses: be arranged on the left and right sides at the back side of above-mentioned refrigerating chamber and the cold air path that extends up and down, the shelf components of a plurality of spatial accommodations will be divided in the above-mentioned refrigerating chamber, be arranged between the above-mentioned cold air path of the left and right sides, cross over above-mentioned a plurality of spatial accommodation and install and cover the cover of the light transmission that illuminates the lamp inside the box in the above-mentioned refrigerating chamber, the metal member made that is installed on the above-mentioned cover and crosses over above-mentioned a plurality of spatial accommodation and extend up and down; Above-mentioned cover has as can't help the part that above-mentioned metal member made covers in left and right end portions, promptly crosses over above-mentioned a plurality of spatial accommodation when the depths of above-mentioned refrigerating chamber tilts and the strap of extending up and down; On the sidewall of zonal part one side of above-mentioned cold air path, possesses cold gas exhausting outlet.
In the refrigerator of the invention described above, preferred concrete mode is as described below.
(1) above-mentioned cover uses the resin material than above-mentioned metal member made poor thermal conductivity, and the profile plane of projection of above-mentioned cold gas exhausting outlet is included in the scope of zonal part.
(2) above-mentioned cover, the antetheca of making except that the zonal part of above-mentioned cover is as one man installed with the above-mentioned refrigerating chamber side wall surface depth dimensions that covers above-mentioned cold air path.
(3) above-mentioned cold gas exhausting outlet is provided with a plurality of respectively in being arranged at the above-mentioned cold air path of the left and right sides, except that above-mentioned cold gas exhausting outlet, possess the top cold gas exhausting outlet of discharging cold air above the above-mentioned cold air path to above-mentioned refrigerating chamber in each above-mentioned cold air path, this top cold gas exhausting outlet is arranged in shelf components than the shelf components the superiors that are installed on above-mentioned refrigerating chamber more by the top part.
(4) make the air conditioning quantity of discharging bigger than the summation of the air conditioning quantity of discharging from a plurality of above-mentioned cold gas exhausting outlets from above-mentioned top cold gas exhausting outlet.
In addition, second kind of structure of refrigerator of the present invention is, filling with insulation material between outer container and interior case and make inside become insulated space, disposed in the refrigerator of refrigerating chamber in the superiors as insulated space, possess: be arranged on the left and right sides and the extension up and down at the back side of above-mentioned refrigerating chamber, the cold air path that the cold air that is generated by cooler passes through, the shelf components of a plurality of spatial accommodations will be divided in the above-mentioned refrigerating chamber, the metal member made of crossing over above-mentioned a plurality of spatial accommodation and extending up and down, discharge the cold gas exhausting outlet of cold air to above-mentioned spatial accommodation from above-mentioned cold air path, with the top cold gas exhausting outlet of discharging cold air from the top of above-mentioned cold air path of the different other settings of above-mentioned cold gas exhausting outlet, be disposed at below more leaning on than above-mentioned cold gas exhausting outlet and above-mentioned top cold gas exhausting outlet at the back side of above-mentioned refrigerating chamber, be used to make and cooled off the cold air return port that the cold air behind the above-mentioned refrigerating chamber returns to above-mentioned cooler; Constitute the end face of above-mentioned refrigerating chamber obliquely, make in face of it side higher, and make the summation of the air conditioning quantity of discharging from above-mentioned top cold gas exhausting outlet bigger than the summation of the air conditioning quantity of discharging from above-mentioned cold gas exhausting outlet.
Have again, the third structure of refrigerator of the present invention is, filling with insulation material between outer container and interior case and make inside become insulated space, disposed refrigerating chamber as insulated space in the superiors, disposed in the refrigerator of refrigerating chamber in the mode of clamping heat insulation partition wall with this refrigerating chamber, possess: the rear that is arranged on above-mentioned refrigerating chamber, generation is to the cooler of the cold air of above-mentioned refrigerating chamber and the conveying of above-mentioned refrigerating chamber, be arranged on the left and right sides and the extension up and down at the back side of above-mentioned refrigerating chamber, the cold air path that the cold air that is generated by above-mentioned cooler passes through, the shelf components of a plurality of spatial accommodations will be divided in the above-mentioned refrigerating chamber, the metal member made of crossing over above-mentioned a plurality of spatial accommodation and extending up and down, discharge the cold gas exhausting outlet of cold air to above-mentioned spatial accommodation from above-mentioned cold air path, and other be provided with different with above-mentioned cold gas exhausting outlet, discharge the top cold gas exhausting outlet of cold air from the top of above-mentioned cold air path, the back side of above-mentioned refrigerating chamber be disposed at more lean on than above-mentioned cold gas exhausting outlet and above-mentioned top cold gas exhausting outlet below part and more lean on than above-mentioned heat insulation partition wall above part, be used to make and cooled off the cold air return port that the cold air behind the above-mentioned refrigerating chamber returns to above-mentioned cooler; Constitute the end face of above-mentioned refrigerating chamber obliquely, make in face of it side higher, and make the summation of the air conditioning quantity of discharging from above-mentioned top cold gas exhausting outlet bigger than the summation of the air conditioning quantity of discharging from above-mentioned cold gas exhausting outlet.
In the refrigerator of the second kind of structure that possesses the invention described above or the third structure, the width dimensions that makes the back side portion of above-mentioned refrigerating chamber be above-mentioned cold air path width dimensions and more than 6 times; Make from the summation of the discharge rate of the cold air of above-mentioned top cold gas exhausting outlet and be more than 1.5 times of discharge rate summation from the cold air of above-mentioned cold gas exhausting outlet.
At this moment, the width dimensions of the back side portion of above-mentioned refrigerating chamber up to the width dimensions of above-mentioned cold air path and at least 10 times of cooling effects that can confirm refrigerating chamber with interior scope.
In addition, in the refrigerator of the second kind of structure that possesses the invention described above or the third structure, making the width between above-mentioned cold air path is more than the 300mm, and the left and right sides width that makes above-mentioned metal member made is 300mm or more than it.
According to the refrigerator of present embodiment, can provide energy saving good electric refrigerator good and easy to use.
Description of drawings
Fig. 1 is the stereoscopic figure of the refrigerator of present embodiment.
Fig. 2 is the figure that the inside of expression refrigerating chamber constitutes.
Fig. 3 is the figure of the installation constitution of expression cover and metal member made.
Fig. 4 is the stereogram that the state of metal member made is installed on cover.
Fig. 5 is the figure of the circulating cold air structure of expression refrigerating chamber.
Fig. 6 is the cutaway view of cooling construction of the refrigerator of expression present embodiment.
Among the figure:
1-refrigerator, 10-interior case, 11-outer container, 20-refrigerating chamber, 21-shelf components, 22-lamp inside the box, 23-back part, 24-cover, 24M-convex form portion, 24L and 24R-strap, 25-metal member made, 30L and 30R-cold air path, 30a-cold gas exhausting outlet, 30b-top cold gas exhausting outlet, 31-space, 32-cold air sucting inlet, 33-heat insulation partition wall, 34-cooler, 35-pressure fan, 36-cooler chamber, 37-control substrate, 38-refrigerator temperature sensor, 40-refrigerating chamber
The specific embodiment
Below, use the description of drawings embodiments of the present invention.Fig. 1 is the stereoscopic figure of the refrigerator of present embodiment.Refrigerator 1 is at the superiors' configuration refrigerating chamber, and its front openings portion is closed by the refrigerating-chamber door 2 of rotary type.Refrigerating-chamber door 2 though be the left and right door of so-called opposite opened, also can become to make the structure that is covered by a door body in Fig. 1.
About the bottom of refrigerating chamber, be arranged side by side by door 3,4 ice-making compartments of closing and the temperature of drawer type and switched the chamber.Not shown automatic ice-making plant is set in ice-making compartment, and ice is stored in the ice container that is disposed at the ice making tray bottom.And, can be by pulling out ice-making compartment door 3 ice container be together pulled out and take out ice.With the storeroom of the adjacent setting of ice-making compartment needn't be that temperature is switched the chamber, also can be refrigerating chamber.
Have, at bottom configuration refrigerating chamber, its front openings portion is covered by the refrigerating chamber door 5 of drawer type again.Not shown refrigerating chamber container is set in the refrigerating chamber, can pulls out the refrigerating chamber container by pulling out refrigerating chamber door 5.Therefore, the user of refrigerator can easily take out inner food.
And, in orlop configuration vegetable compartment.Vegetable compartment is the storeroom in the refrigerated storage temperature zone the same with refrigerating chamber, and front openings portion is covered by the vegetable compartment door 6 of drawer type.Vegetable compartment inside is provided with not shown vegetable compartment container, and together pulls out with vegetable compartment door 6.
Fig. 2 is the figure of internal structure of the refrigerating chamber of expression present embodiment, and Fig. 2 (a) is the front view that omits refrigerating-chamber door 2 expressions, and Fig. 2 (b) is the cutaway view along the A of Fig. 2 (a)-A line, and Fig. 2 (c) is the cutaway view along the B of Fig. 2 (a)-B line.
Refrigerating chamber 20 is for being filled in heat-barrier material in the interior case 10 (by 10 expressions of mark among Fig. 2 (c)) that constitutes refrigerating chamber 20 inwalls and as the insulated space between the outer container 11 (by 11 expressions of mark among Fig. 2 (a)) of the shell of refrigerator 1.
In the inside of refrigerating chamber 20, upper and lower settings a plurality of food place the shelf components 21 of usefulness.In the present embodiment, tabular shelf components 21a, 21b upper and lower settings in its underpart, but are provided with the shelf components 21c that overturning is used.Configuration a plurality of (mark 21c1,21c2) can effectively utilize the food spatial accommodation about this shelf components 21c.Have again, in the lower side space of the shelf components 21d that is provided with in the bottom, be provided with the ice making tray that is used to store in not shown automatic ice-making plant supply with the supply tank 26 of water, can put in order hold smallclothes food pull out pallet 27 and become so-called ice greenhouse pull out pallet 28.Like this, the raising of the food property held by by shelf components 21 with pull out the division of pallet 27,28 etc., and has been realized in the inside of refrigerating chamber 20.
On 10 in the interior case of refrigerating chamber 20 inboards, be provided with lamp inside the box 22.In the present embodiment, lamp inside the box 22 is installed from the mode that receptacle portion hangs down downwards with illuminating part.Be connected with not shown control device from the wiring of receptacle portion, control in the mode that lamp inside the box 22 when refrigerating-chamber door 2 is opened is lighted.
The tabular back part 23 of removing the part covering in addition of lamp inside the box 22 fronts to the major general has been installed at the back side of refrigerating chamber 20.Between 10 in this back part 23 and interior case, formed cold air path 30.It is the structure of left side cold air path 30L and right side cold air path 30R that the cold air path of present embodiment is made at the left and right sides of refrigerating chamber 20 bifurcated.
Back part 23 can be used white material, even in the use under the situation of look parts, also is advisable with the light color material.Have again, too for interior case 10.Its reason will be in aftermentioned.
These cold air paths 30L, 30R, with the channel wall of depths one side internal face as interior case 10, with in face of the channel wall of a side as the rear surface of the inboard of back part 23, and form cold air path 30 by the back side that back part 23 is installed in refrigerating chamber 20.In cold air path 30, deliver to the cold air path 30 that extends to refrigerating chamber 20 back positions by the Quilt with air conditioning pressure fan that not shown cooler produces, and discharge to refrigerating chamber 20 through cold gas exhausting outlet 30a, 30b.The cold air of delivering to refrigerating chamber 20 turns back to cooler once more after with the cooling of the food in the refrigerating chamber 20.
Have, cooler and compressor, condenser, capillary together constitute freeze cycle again, produce cold air by the heat of cold-producing medium around the inner evaporation of cooler is drawn.Therefore, by detecting in the refrigerating chamber 20 or the temperature in the refrigerating chamber and control the ON/OFF control of compressor operation or the revolution of compressor, each storeroom can be remained on design temperature.
In the center side of two cold air path 30L, the 30R at refrigerating chamber 20 back sides, lamp inside the box 22 has been installed.This lamp inside the box 22 is covered by the cover 24 of light transmission.Therefore, food can not run into lamp inside the box 22.In addition, because cover 24 is a transparent member, so the light of lamp inside the box 22 can illuminate in the refrigerating chamber 20.Though the material of cover 24 is not particularly limited, transparent resin material is more satisfactory.
The setting height(from bottom) of lamp inside the box 22 is more to lean on the top than the shelf components 21a that is installed on the superiors, and illuminates extensively in the refrigerating chamber 20 from the back side one side.Cover 24 surmounts shelf components 21a and extension downwards when covering lamp inside the box 22, be configured to cross over the food spatial accommodation of being divided by shelf components 21a, 21b.
The shape of cover 24 is different, in the front of the mounting portion of lamp inside the box 22 the convex form portion 24M of protrusion in spatial accommodation one side of refrigerating chamber 20 is set.Because lamp inside the box 22 is installed on the central part of left and right directions at refrigerating chamber 20 back sides, so the 24M of convex form portion also is arranged at the central part of the left and right directions of cover 24.
In the present embodiment, cover 24 is also covered by metal member made 25.But, be not whole covering, but except that a part, cover cover 24.Particularly, the banded end of the left and right sides of 24M of convex form portion and cover 24 is exposed to refrigerating chamber 20 1 sides at least.Therefore, two outsides about metal member made 25 have formed the strap 24L, the 24R that cross over shelf components 21 and extend up and down.Metal member made 25, from processability and easy must the arrival, aluminium is more suitable.
Shown in Fig. 2 (c), this strap 24L, 24R are near left and right sides cold air path 30L, 30R.Though cover 24 possesses the 24M of convex form portion as described above, part in addition is not a flat shape completely, and the part of strap 24L, 24R is to back side lopsidedness.Therefore, when mounting cover parts 24, formed space 31 in the inboard of this cover 24.That is, the wall of these 31 its front sides, space becomes the inside of cover 24.The wall of 31 depths, space, one side, the face of refrigerating chamber 20 1 sides that its part that back part 23 is installed is a back part 23, case was 10 in its part that back part 23 is not installed became.
The depth size of left and right sides cold air path 30L, 30R is in the altitude range that metal member made 25 is installed, bigger than the depth size of the cover 24 that contains strap 24L, 24R (still, remove the 24M of convex form portion beyond).In addition, in the part except that the 24M of convex form portion, in the altitude range that metal member made 25 is installed, make the antetheca of cover 24 and the back part 23 that covers cold air path 30 show the position consistency of the wall of sides at depth direction.
In the present embodiment, be provided with cold gas exhausting outlet 30a (with reference to Fig. 2 (c)) from cold air path 30 to cover 24 1 sides.Therefore, the cold air of discharging to refrigerating chamber 20 from cold air path 30 (30L, 30R) blows out to the strap 24 (24L, 24R) of cover 24, then, because the shape of strap 24L, 24R, and to the place ahead of refrigerating chamber 20 guiding.
Have, the cold gas exhausting outlet of cold air path 30L, 30R is not the cold gas exhausting outlet 30a relative with strap 24L, 24R again.That is, also has the altitude range that surpasses installation metal member made 25, from the last direction refrigerating chamber 20 interior top cold gas exhausting outlet 30b that discharge of cold air path 30L, 30R.
Cold gas exhausting outlet 30a in each of cold air path 30L, 30R, correspondingly is provided with a plurality of with the spatial accommodation of being divided by shelf components 21.In this embodiment, the discharge rate of the cold air that will discharge from top cold gas exhausting outlet 30b is set at more than whole discharge rates of the cold air of discharging from a plurality of cold gas exhausting outlet 30a that are provided with at each cold air path 30L, 30R, when suppressing the condensing of metal member made 25, also reduced the loss that cold air flows in circulating path.Therefore, can make the high-power that can not cause pressure fan or the increase of blower setting quantity, and energy-conservation good refrigerator.Structure for this circulating cold air will describe in detail in the back.
In addition, because metal member made 25 is crossed over each spatial accommodation and the extension up and down of being divided by a plurality of shelf components 21, so can reduce the temperature deviation of each spatial accommodation and the equalizing temperature in the realization refrigerating chamber 20.Even it is many especially to hold food, produced the part that the cold air that blows out from cold gas exhausting outlet is difficult to arrive, because left and right sides cold gas exhausting outlet 30a is arranged in the space between the sidewall of strap 24L, the 24R of inclination and cold air path 30, so self can be closed cold gas exhausting outlet 30a hardly, thereby can expect cold and hot conduction through metal member made 25.
In addition, as mentioned above, because strap 24L, 24R cross over shelf components 21 and extend up and down, so even food is contained in the front side of strap 24L, 24R, by the cross section that sidewall surrounded the also connection up and down of leg-of-mutton pipe-like space substantially of cold air path 30.This space becomes the discharge space of cold air.Therefore, the cold air of discharging from cold gas exhausting outlet 30a must be directed to the space in the refrigerating chamber 20.In addition and since metal member made 25 be positioned at this pipe-like space near, so can carry out cold and hot conduction effectively.
Fig. 3 is expression cover 24 and the metal member made 25 mounting structure figure to refrigerating chamber 20.As shown in the figure, parts 23 are installed in after the back side of refrigerating chamber 20 overleaf, under the state that metal member made 25 is installed on the cover 24, are installed in the back side (with reference to arrow among the figure) of refrigerating chamber 20.At this moment, the 24M of convex form portion is positioned at front one side of lamp inside the box 22, comes mounting cover parts 24 by back part 23, makes cover 24 between the cold air path 30 that is in refrigerating chamber 20 left and right sides.
As mentioned above, on one side the both sides of cover 24 tilt to the inboard, and on the both sides of the chest of metal member made 25, formed strap 24L, the 24R that extends up and down.Therefore, when mounting cover parts 24, and 10 in the forward surface of back part 23 or interior case between form space 31 (with reference to Fig. 2).
Shown in Fig. 2 (b), in the one of the back side of refrigerating chamber 20, be provided with space 31 in the part of being clamped by both sides cold air path 30L, 30R.This space 31 is formed by the spatial accommodation and cover 24 encirclements of refrigerating chamber 20.31 the top in the space, particularly, in the position higher than the shelf components 21a that is installed on the superiors in the refrigerating chamber 20, it is downward that lamp inside the box 22 is set to illuminating part.The 24M of convex form portion is positioned at the place ahead of lamp inside the box 22, in this part, guarantees that the depth size in space 31 is bigger.
Though metal member made 25 has been installed at the part place at the 24M of convex form portion that removes cover 24 at least and left and right sides strap 24L, 24R, but covered, so the cover 24 of the light transmission light transmission of lamp inside the box 22 and shining in the refrigerating chamber 20 by metal member made 25 owing to be positioned at the lamp inside the box 22 the place aheads ground convex form 24M of portion.Therefore, the user is easy to observe in the refrigerating chamber 20.The protruding size of the 24M of convex form portion is compared with the rear end of shelf components 21 and is also arrived the place ahead, and can be extensively to refrigerating chamber 20 internal radiations.
As shown in Figure 4, the groove that has extended about the face of space 31 sides of cover 24 has formed.And this groove is arranged above and below a plurality of.Therefore, with lamp inside the box 22 irradiation covers 24 time, the Line of light line about slot part occurs, this light line self becomes a kind of light source, and in the irradiation case.Having, in this embodiment, though the structure of extending about groove made is not limited to this, also can be the groove that extends up and down again.As shown in Figure 4, the inside of cover 24 is made of a plurality of planes or a plurality of curved surface, as long as make the structure that the bight is located at the border of each face.
On the other hand, because metal member made 25 is light-proofness parts, so can be from the part irradiates light that is covered by metal member made 25, but because the 24M of convex form portion is projected into the place ahead from metal member made 25, so shine metal member made 25 by the light source that occurs on the cover 24, to guarantee the brightness in the refrigerating chamber 20.
When lamp inside the box 22 is luminous, to be not only in the refrigerating chamber 20, light shines in the space 31 also radially.Space 31 is by the inboard face of cover 24 and 10 in interior case or 23 spaces that surrounded of back part.As mentioned above, because 10 in interior case and back part 23 used white or light color resin materials, thus can suppress the absorption of the light in the space 31, and can make light 31 internal reflections and propagating in the space away from position as the lamp inside the box 22 of light source.
In the cover 24, though light can not shine refrigerating chamber 20 1 sides from the part that is covered by metal member made 25, in the present embodiment, metal member made 25 uses aluminium, seen through of the inside reflection of the light of cover 24, light is propagated in the space 31 by metal member made 25.
Be provided with the strap 24L, the 24R that extend up and down on the cover 24.Because this strap 24L, 24R rearward lopsidedness ground form, so be easy to the photoconduction in the space 31 in refrigerating chamber 20.Therefore, when lamp inside the box 22 is lighted, than about cold air path 30L, 30R position more in the inner part, the light belt that extends up and down appears.In the present embodiment, for light is easy to propagate, owing to cover by white material or light color material or with metal member made (passing through transparent member) and to form space 31, so can make light propagate into for example position at lamp inside the box 22 dead angles, and can cross over a plurality of spatial accommodations of dividing by shelf components 21 and light belt is occurred.
That is, this light belt more leans on the lamp inside the box 22 of the position of top all to be illuminated in the refrigerating chamber 20 by light belt near the spatial accommodation that shelf components 21b, 21c or 21d divided by the below from the shelf components 21a than the superiors.
The groove that extends about being arranged on the face of space 31 1 sides of cover 24 also is arranged on strap 24L, the 24R.Therefore, strap 24L, 24R, single light that sees through from lamp inside the box 22, and make by groove and the light line to occur, the light source that self plays a part by this light line and shining extensively in the refrigerating chamber 20.
Especially, in the present embodiment, lamp inside the box 22 make illuminating part from receptacle portion under the structure that hangs down, in space 31, get rid of as far as possible from the article of illuminating part in the downside shading.
Therefore, even under the situation of making the structure that the back side has metal member made 25, also a plurality of lamp inside the box needn't be set, and, just can illuminate in the refrigerating chamber brightly by single lamp inside the box.
Have, this light belt is to occur by space 31 and each parts of constituting this space, even store a lot of food in the refrigerating chamber 20, also can not blocked by food, always keeps bright in the refrigerating chamber 20 thereby can make again.
In addition, as present embodiment, by the 24M of convex form portion is set and since can guarantee lamp inside the box 22 that the space is set is bigger, so a plurality of lamp inside the box can be installed.By implementing, can further will shine brightlyer in the refrigerating chamber 20 with said structure with matching.
Secondly, use Fig. 5 that the cooling of relevant refrigerating chamber 20 is described.Fig. 5 is the figure of the circulating cold air structure of expression refrigerating chamber 20.As shown in Figure 2, the cold air that is generated by cooler blows to refrigerating chamber 20 by cold air path 30L, 30R.Promptly, possess the cold gas exhausting outlet 30a of cold air is discharged and the top cold gas exhausting outlet 30b of opening above as the cold air direct of travel of cold air path 30L, 30R in each space of being divided by shelf components 21, by from these outlet cool-air feeds, and make refrigerating chamber 20 coolings.
The cold air discharge rate of cold gas exhausting outlet 30a and top cold gas exhausting outlet 30b, as mentioned above, so that determine aperture area from the bigger mode of the cold air supply of top cold gas exhausting outlet 30b.In the refrigerator of present embodiment, possess six cold gas exhausting outlet 30a and two top cold gas exhausting outlet 30b.Therefore, if will be made as q at the air quantity of the cold air of time per unit discharge from a cold gas exhausting outlet 30a, and the air quantity of the cold air that will discharge at time per unit from a top cold gas exhausting outlet 30b is when being made as Q (with reference to Fig. 5 (b)), then determines the aperture area of each outlet in the mode of the relation that satisfies " 2Q〉6q ".
Adopt the action effect of this structure as follows.In recent years, exist to realize the increase of holding volume of refrigerator, refrigerating chamber 20 holds the tendency that volume also increases simultaneously.Have in cooling under the situation of the storeroom that holds volume greatly, require the increaseization of the air conditioning quantity of the low temperatureization of the cold air that produces by cooler or supply.Therefore, in the high efficiency of freeze cycle, also need the maximization of pressure fan.But, descend because the maximization of pressure fan becomes energy saving, so small-sized as far as possible pressure fan is used in expectation.
On the other hand, in order to realize the high capacity of refrigerating chamber, require to make the cooling construction miniaturization, and reduce not become the part of spatial accommodation.But, as the cold air path of the cool-air feed at refrigerating chamber back side part also miniaturization the time, will produce the opposite problem that flowing resistance increases and so on.For example, for realizing the high capacity of refrigerating chamber 20, need the width dimensions W of the back side portion of the refrigerating chamber 20 shown in increasing Fig. 5 (a)
1, and reduce the width dimensions W of cold air path 30L, 30R
2That is, when establishing the width dimensions ratio for W, the so-called high capacity of refrigerating chamber 20 of realizing just is meant W (=W
1/ 2W
2) value increase (coefficient " 2 " is owing to possess two cold air paths at the back side of refrigerating chamber 20).
Here, establish cold gas exhausting outlet 30a and top cold gas exhausting outlet 30b both for the opening of same size, with W
1Fixed size is 580mm, will measure W
2The situation (size factor W=4.1) of the cooling situation in the refrigerating chamber 20 when being of a size of 70mm and measured W
2The situation (size factor W=9.7) of the cooling situation in the refrigerating chamber 20 when being of a size of 30mm compares.Its result, the latter's situation cooling capacity is poor as can be known.In addition, from this research as can be known, size factor W is big more, and then the non-uniform temperature in the refrigerating chamber 20 is big more.
Use Fig. 6 that its reason is described.Fig. 6 is the cutaway view of cooling structure of the refrigerator 1 of expression present embodiment.As mentioned above, being configured to of the refrigerator 1 of present embodiment possesses refrigerating chamber 20 on top, and its front openings portion is by refrigerating-chamber door 2 sealings.In addition, make the refrigerator of constructing at the so-called middle refrigerator of the bottom of refrigerating chamber 20 configuration refrigerating chamber 40.Therefore, separate by heat insulation partition wall 33a between refrigerating chamber 20 and the refrigerating chamber 40, and realized the heat insulation of two Room.In addition, vegetable compartment is positioned at orlop, and the front is covered by vegetable compartment door 6.By also separating between vegetable compartment and the refrigerating chamber 40 by heat insulation partition wall 33b, and two Room are heat insulation.
Refrigerating chamber 40 between refrigerating chamber 20 and vegetable compartment is made of the refrigerating chamber of the upper and lower, and is covered by door respectively.Cooler chamber 36 is positioned at the back side of refrigerating chamber 40, in this cooler chamber 36, has disposed the pressure fan 35 that produces the cooler 34 of cold air and the cold air that cooler 34 is produced is sent to each storeroom.These coolers 34 and pressure fan 35 are configured to be contained between heat insulation partition wall 33a, the 33b.That is, cooler 34 and pressure fan 35 are contained in the rear projection face of refrigerating chamber 40, and the cold air that is sent to refrigerating chamber 20 from pressure fan 35 is sent to cold air path 30 through not shown valve.
On the other hand, refrigerating chamber 20 cooled cold air are returned cooler chamber 36 from the cold air sucting inlet 32 that the back side at refrigerating chamber 20 is provided with through not shown cold air backward channel, adopt this structure to form cold air circulating structure.The refrigerator 1 of present embodiment, because at the bottom of refrigerating chamber 20 configuration refrigerating chamber 40, and two Room are heat insulation by heat insulation partition wall 33a, cool off the structure that the back arrives the cold air sucting inlet 32 that possesses at the back side of refrigerating chamber 20 so make the cold air of discharging from refrigerating chamber 20 back sides in refrigerating chamber 20.
For making the cold air after having cooled off in the refrigerating chamber 20 return cooler chamber 36, cold air sucting inlet 32 is arranged in than cold gas exhausting outlet 30a and top any outlet of cold gas exhausting outlet 30b position by the below.But, because cold air sucting inlet 32 similarly is positioned at the back side of refrigerating chamber 20 with cold gas exhausting outlet 30a, 30b, so shown in the dotted arrow of Fig. 6, discharge the place ahead that cold air can not arrive refrigerating chamber 20, the misgivings of existence generation short circuit.Especially, along with the high capacity of refrigerating chamber 20, exist short circuit phenomenon to become significant situation.
Have, the size of cold air path 30L, 30R is if with respect to the size of refrigerating chamber 20 hour, exist and guarantee that air quantity becomes the problem of difficulty and so on again.At this moment, produce the part of cool-air feed and the part that cold air does not have arrival in the refrigerating chamber 20, produce the temperature inequalities in the refrigerating chamber 20.
For reducing the uneven equalizing temperature of realizing in the refrigerating chamber 20 of this temperature, in the present embodiment, the refrigerator as refrigerator structure in the middle of so-called adopts following structure.
At first, be flowing of the cold air shown in the solid arrow of realizing Fig. 6, and can cool off whole refrigerating chamber 20, as mentioned above, the discharge rate of the cold air that will discharge from top cold gas exhausting outlet 30b is set at more than whole discharge rates of the cold air of discharging from a plurality of cold gas exhausting outlet 30a that are provided with at each cold air path 30L, 30R.Because the direction of the cold air of advancing in cold air path 30L, 30R is with approaching to the direction of refrigerating chamber 20 discharge cold air from top cold gas exhausting outlet 30b, so this structure has played the effect of the flow losses that reduce circulating path.Therefore, can realize the raising of cooling effectiveness.
In addition, from result that the relation of the cold air discharge rate of cold gas exhausting outlet 30a and top cold gas exhausting outlet 30b is studied as can be known,, under a stable condition, also can bring into play the effect that suppresses the temperature inequality even surpass under 6.0 the situation at size factor W.
Promptly, evaluation is from the air conditioning quantity of cold gas exhausting outlet 30a with from the relation of the air conditioning quantity of top cold gas exhausting outlet 30b, from air conditioning quantity and respective relationships as can be known, by making from more than 1.5 times of air conditioning quantity of amount for discharging of the cold air of top cold air discharge rate 30b discharge from cold gas exhausting outlet 30a, promptly become 2Q〉9q, can reduce the temperature inequality in the refrigerating chamber 20.
For example, at the opening that makes cold gas exhausting outlet 30a is 50mm * 5mm, and the opening that makes top cold gas exhausting outlet 30b is under the situation of 30mm * 10mm, when by pressure fan 35 when being positioned at cooler chamber 36 cool-air feeds at refrigerating chamber 40 back sides, brought into play the effect of equalizing temperature.
Particularly, under the situation that makes pressure fan 35 with predetermined number of revolutions rotation, be 0.5m/s with respect to the wind speed of the cold air of discharging from cold gas exhausting outlet 30a, the wind speed of the cold air of discharging from top cold gas exhausting outlet 30b is 2.0m/s.This be because, discharge cold air with respect to cold gas exhausting outlet 30a to the width of refrigerating chamber 20 is inboard and since top cold gas exhausting outlet 30b to cold air path in the approaching direction blowing cooling air of cold air direct of travel, so flowing resistance diminishes.Therefore, the total 2Q of the air conditioning quantity of discharging from two top cold gas exhausting outlet 30b is 1200mm
2M/s, and the total 6q of the air conditioning quantity of discharging from six cold gas exhausting outlet 30a is 750mm
2M/s.
At this moment, because the cold air of discharging from top cold gas exhausting outlet 30b has obtained enough wind speed, thus can arrive the pocket storage container that is installed on the refrigerating-chamber door 2, can be with the whole cooling of refrigerating chamber.That is, be not the dotted arrow shown in the image pattern 6 like that but as solid arrow to refrigerating chamber 20 in supply also can cool off the food that is contained in the pocket storage container fully from the cold air of top cold gas exhausting outlet 30b discharge.
Have again, in the refrigerator of present embodiment, the control substrate 37 of control refrigerator each several part is configured in the end face rear of main body frame, the ceiling face of refrigerating chamber 20 is made the structure that its open front side one side increases.Therefore, be easy to flow to the place ahead, and realize the cooling of refrigerating chamber 20 integral body from the cold air of top cold gas exhausting outlet 30b.
Though supply with the cold air of discharging from cold gas exhausting outlet 30a to each spatial accommodation of dividing by shelf components, but as mentioned above, be discharged into refrigerating chamber 20 by the over half of cold air in the cold air path 30 from top cold gas exhausting outlet 30b, because the major part of this cold air is supplied with to the front side of refrigerating chamber 20, the air conditioning quantity of supplying with to refrigerating chamber 20 back sides one side will tail off.
So in the present embodiment, the back side between the cold air path 30R on the cold air path 30L in left side and right side possesses metal member made 25, cold gas exhausting outlet 30a makes to the inboard structure of discharging cold air of the width of refrigerating chamber.In addition, adopted the cold air that to discharge from cold gas exhausting outlet 30a shape to the cover 24 of the place ahead of refrigerating chamber 20 guiding and so on.
By possessing metal member made 25, guaranteed the cooling capacity of refrigerating chamber 20 back sides one sides from the height of its thermal conductivity, and, can also make the equalizing temperature of each spatial accommodation of dividing by shelf components.That is,,, also can realize the equalizing temperature of each spatial accommodation even increase the distance between left side cold air path 30L and the right side cold air path 30R by possessing metal member made 25.
Particularly, can make the distance between two cold air paths is more than the 300mm, arrives 400mm at least, can cool off fully as refrigerating chamber to have obtained checking.That is, under the situation that the width dimensions of refrigerating chamber 20 increases, the distance between two cold air paths becomes big.At this moment, producible problem is that irrelevant with the width dimensions of cold air path 30L, 30R, cold air can not arrive the middle body in the big refrigerating chamber of width.So, when the distance between two cold air paths is studied, the clear and definite result who uses cold gas exhausting outlet 30a and the 30b and the metal member made 25 of above-mentioned embodiment, promptly the distance between the order cold air path is also can carry out the cooling of refrigerating chamber fully more than the 300mm.
In other words, even between left side cold air path 30L and right side cold air path 30R, be provided with interval more than the 300mm,, also can realize the equalizing temperature and the cooling of refrigerating chamber by configuration metal member made 25 between two cold air paths.Metal member made 25, about about, dispose in the mode of crossing over the spatial accommodation of dividing by shelf components 21 up and down, about about, can use parts with 300mm or its above width.
Have, the situation of present embodiment is because strap 24L, the 24R of cover 24 are positioned at the width inboard of cold air path 30L, 30R, so the left and right sides width of metal member made 25 is littler than the distance between two cold air paths again.
Here, the situation that the situation of metal member made 25 is not set in the structure of above-mentioned size factor W=4.1 and has disposed metal member made 25 in the structure of size factor 9.7 is compared.Fig. 1 has represented to measure the temperature of each the spatial accommodation 20a～20c shown in Fig. 5 (b) under identical conditions result exists.Have, the distance between two cold air paths during with W=9.7 is made as 380mm again.
Like this, the volume that holds of refrigerating chamber 20 increases, even surpassing under the situation of W=6.0, by possessing metal member made 25, can realize the equalizing temperature in the refrigerating chamber 20.And, according to the research of table 1 as can be known, up to about W=10, all can cool off fully.In addition, adopt these structures, also can reduce the mean temperature of refrigerating chamber 20, can improve energy saving.
Table 1
| W=4.1 does not have the metal member made | W=9.7 has the metal member made | |
| |
1.8℃ | 2.3 |
| Spatial accommodation | ||
| 20b | 2.2℃ | 2.8 |
| Spatial accommodation | ||
| 20c | 3.8℃ | 2.6℃ |
| Refrigerating chamber is average | 3.1℃ | 2.7℃ |
| The sensor detected value | 3.6℃ | 3.3℃ |
In addition,, can suppress to be installed on the error of the actual average temperature of the detected value of the refrigerator temperature sensor in the refrigerating chamber 20 and refrigerating chamber 20, can be made into the good structure of energy saving along with the equalizing temperature of refrigerating chamber 20.In fact, shown in Fig. 5 (b), refrigerator temperature sensor 38 is being installed under the situation that is arranged in the spatial accommodation under the spatial accommodation 20c, though small, can reduce the difference of mean temperature and detected value.
As mentioned above, according to the refrigerator of present embodiment, can provide energy saving good electric refrigerator good and easy to use.
Claims (5)
1. refrigerator, filling with insulation material between outer container and interior case and make inside become insulated space has disposed refrigerating chamber as insulated space in the superiors, it is characterized in that:
Possess: be arranged on the left and right sides and the extension up and down at the back side of above-mentioned refrigerating chamber, the cold air path that the cold air that is generated by cooler passes through, the shelf components of a plurality of spatial accommodations will be divided in the above-mentioned refrigerating chamber, the metal member made of crossing over above-mentioned a plurality of spatial accommodation and extending up and down, discharge the cold gas exhausting outlet of cold air to above-mentioned spatial accommodation from above-mentioned cold air path, with the top cold gas exhausting outlet of discharging cold air from the top of above-mentioned cold air path of the different other settings of above-mentioned cold gas exhausting outlet, be disposed at below more leaning on than above-mentioned cold gas exhausting outlet and above-mentioned top cold gas exhausting outlet at the back side of above-mentioned refrigerating chamber, be used to make and cooled off the cold air return port that the cold air behind the above-mentioned refrigerating chamber returns to above-mentioned cooler;
Constitute the end face of above-mentioned refrigerating chamber obliquely, make in face of it side higher, and make the summation of the air conditioning quantity of discharging from above-mentioned top cold gas exhausting outlet bigger than the summation of the air conditioning quantity of discharging from above-mentioned cold gas exhausting outlet.
2. refrigerator, filling with insulation material between outer container and interior case and make inside become insulated space has disposed refrigerating chamber as insulated space in the superiors, disposes refrigerating chamber in the mode of clamping heat insulation partition wall with this refrigerating chamber, it is characterized in that:
Possess: the rear that is arranged on above-mentioned refrigerating chamber, generation is to the cooler of the cold air of above-mentioned refrigerating chamber and the conveying of above-mentioned refrigerating chamber, be arranged on the left and right sides and the extension up and down at the back side of above-mentioned refrigerating chamber, the cold air path that the cold air that is generated by above-mentioned cooler passes through, the shelf components of a plurality of spatial accommodations will be divided in the above-mentioned refrigerating chamber, the metal member made of crossing over above-mentioned a plurality of spatial accommodation and extending up and down, discharge the cold gas exhausting outlet of cold air to above-mentioned spatial accommodation from above-mentioned cold air path, and other be provided with different with above-mentioned cold gas exhausting outlet, discharge the top cold gas exhausting outlet of cold air from the top of above-mentioned cold air path, the back side of above-mentioned refrigerating chamber be disposed at more lean on than above-mentioned cold gas exhausting outlet and above-mentioned top cold gas exhausting outlet below part and more lean on than above-mentioned heat insulation partition wall above part, be used to make and cooled off the cold air return port that the cold air behind the above-mentioned refrigerating chamber returns to above-mentioned cooler;
Constitute the end face of above-mentioned refrigerating chamber obliquely, make in face of it side higher, and make the summation of the air conditioning quantity of discharging from above-mentioned top cold gas exhausting outlet bigger than the summation of the air conditioning quantity of discharging from above-mentioned cold gas exhausting outlet.
3. refrigerator according to claim 1 and 2 is characterized in that:
The width dimensions that makes the back side portion of above-mentioned refrigerating chamber be above-mentioned cold air path width dimensions and more than 6 times;
Make from the summation of the discharge rate of the cold air of above-mentioned top cold gas exhausting outlet and be more than 1.5 times of discharge rate summation from the cold air of above-mentioned cold gas exhausting outlet.
4. refrigerator according to claim 3 is characterized in that:
The width dimensions that makes the back side portion of above-mentioned refrigerating chamber be above-mentioned cold air path width dimensions and 10 times in.
5. refrigerator according to claim 1 and 2 is characterized in that:
Making the width between above-mentioned cold air path is more than the 300mm, and the left and right sides width that makes above-mentioned metal member made is 300mm or more than it.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006237143 | 2006-09-01 | ||
| JP2006237143A JP4654169B2 (en) | 2006-09-01 | 2006-09-01 | refrigerator |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100847696A Division CN100545555C (en) | 2006-09-01 | 2007-02-28 | Refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101382373A true CN101382373A (en) | 2009-03-11 |
Family
ID=39159745
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101699982A Pending CN101382373A (en) | 2006-09-01 | 2007-02-28 | Electrical refrigerator |
| CNB2007100847696A Expired - Fee Related CN100545555C (en) | 2006-09-01 | 2007-02-28 | Refrigerator |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100847696A Expired - Fee Related CN100545555C (en) | 2006-09-01 | 2007-02-28 | Refrigerator |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4654169B2 (en) |
| CN (2) | CN101382373A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4695663B2 (en) * | 2008-03-19 | 2011-06-08 | 日立アプライアンス株式会社 | refrigerator |
| CN101793453A (en) * | 2010-03-10 | 2010-08-04 | 泰州乐金电子冷机有限公司 | Air flue device of refrigerator and refrigerator |
| CN107062764B (en) * | 2017-01-09 | 2020-09-04 | 合肥华凌股份有限公司 | Refrigerator and air duct assembly thereof |
| JP6936651B2 (en) * | 2017-08-03 | 2021-09-22 | 東芝ライフスタイル株式会社 | refrigerator |
| CN107726695A (en) * | 2017-09-16 | 2018-02-23 | 成都米士科技有限公司 | Anti- smell crossing refrigerator with built-in door |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1089832A (en) * | 1996-09-13 | 1998-04-10 | Toshiba Corp | Refrigerator |
| JP3707963B2 (en) * | 1999-08-31 | 2005-10-19 | シャープ株式会社 | refrigerator |
| JP2001289552A (en) * | 2000-04-10 | 2001-10-19 | Mitsubishi Electric Corp | Refrigerator |
| JP2006189179A (en) * | 2005-01-04 | 2006-07-20 | Hitachi Home & Life Solutions Inc | Refrigerator |
-
2006
- 2006-09-01 JP JP2006237143A patent/JP4654169B2/en not_active Expired - Fee Related
-
2007
- 2007-02-28 CN CNA2008101699982A patent/CN101382373A/en active Pending
- 2007-02-28 CN CNB2007100847696A patent/CN100545555C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN100545555C (en) | 2009-09-30 |
| CN101135523A (en) | 2008-03-05 |
| JP4654169B2 (en) | 2011-03-16 |
| JP2008057901A (en) | 2008-03-13 |
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Open date: 20090311 |