A kind of refrigerator supply air system, refrigerator and air supply method
Technical field
The present invention relates to a kind of refrigerator, particularly to a kind of refrigerator supply air system, refrigerator and air supply method, belong to ice
Box technology field.
Background technology
Big volume wind cooling refrigerator includes casing, door body, is provided with rack, drawer etc., in casing in casing
The rear wall of gallbladder is internally provided with supply air duct, arranges vaporizer and centrifugal blower in air channel, and return air inlet is typically arranged
In the bottom of casing, the rear wall of box liner is provided with multiple air outlet.Hot blast is entered air channel by return air inlet,
Carry out heat exchange with vaporizer, under the effect of centrifugal fan, send through each air outlet, in casing, form cold wind
Circulation, reduces the temperature in casing.
The biggest commonly used three kinds of air supply modes of volume wind cooling refrigerator: as it is shown in figure 1, use parallel air-supply
Mode, through vaporizer process after cold wind in multiple air outlets parallel feeding casing on refrigerator top, this air-supply
The shortcoming of mode is, from the cold wind blow-through food of air outlet blowout, is unfavorable for food fresh keeping, and food easily hinders simultaneously
Keep out the wind, affect circulation of air flow.As in figure 2 it is shown, use unidirectional upper outlet system of air, all of air outlet is equal
Upwards blowing, the shortcoming of this air supply mode is, the temperature of lower of casing is higher, easily produces temperature offset.As
Shown in Fig. 3, use bilaterally outlet system of air, to two side feedings of casing, the shortcoming of this air supply mode
It is cold wind blow-through sidewall and door seal, causes loss of refrigeration capacity bigger.And these three air supply mode is all easily because of air-supply not
Smooth, uneven, and there is air-supply dead angle.
Because using above-mentioned three kinds of air supply modes, in refrigerator, the installation of rack is the most as shown in Figure 4, in order to leak out,
Layer frame 2 reserves a gap 19 after installing between the rear wall 4 of casing 1, and this design easily increases the weight of refrigerator
The phenomenon that food taint of odour and cold run off.
Summary of the invention
Present invention is primarily aimed at solution the problems referred to above and deficiency, it is provided that a kind of refrigerator indoor are equal without dead angle, temperature
Even property is good, refrigerator supply air system, refrigerator and the air supply method that refrigerating efficiency is high.
For achieving the above object, the technical scheme is that
A kind of refrigerator supply air system, including casing and the multiple layers of frame being arranged in described casing, multiple described layer frame
Space in described casing is separated into multiple region, the described casing in each region all offers air outlet,
The described air outlet in the region being positioned at described casing top is quadrant elevation type air outlet, is positioned at the district in the middle part of described casing
Described air outlet in territory is diving type air outlet, and the lower air outlet being positioned at described casing bottommost is horn mouth, institute
State bell-mouthed to tilt obliquely below.
Further, described quadrant elevation type air outlet is surrounded by the wind deflector on top and the baffle plate of bottom, described wind deflector to
Inner side air channel extends, and described baffle plate the most described layer frame direction is stretched out.
Further, the section of described wind deflector is camber line or is oblique line, and the section of described baffle plate is camber line or is bowl
Shape or be oblique line.
Further, the upper edge of described baffle plate is generally aligned in the same plane with the lower edge of described wind deflector, or described baffle plate is upper
Along the lower edge higher than described wind deflector.
Further, described quadrant elevation type air outlet is additionally provided with the most a piece of blade between described wind deflector and baffle plate.
Further, the elevation coverage of described quadrant elevation type air outlet is 25 °-50 °.
Further, the angle of depression scope of described diving type air outlet is 25 °-50 °.
Another technical scheme of the present invention is:
A kind of refrigerator, including above-mentioned refrigerator supply air system, the dual-side of described layer frame and back and described casing
Close between two side with rear wall and be connected.
Another technical scheme of the present invention is:
A kind of air supply method of above-mentioned refrigerator supply air system, respective independent air-feeding in the regional separated by layer frame
Form the partial circulating separated, and use quadrant elevation type air-supply at the upper area of casing, and adopt in the central region of casing
Blowing with diving type, cause the reverse circulation of casing central region, downward air-flow and inverted draft cross formation gas
Flow disturbance.
To sum up content, a kind of refrigerator supply air system of the present invention, refrigerator and air supply method, with prior art phase
Ratio, has the advantage that
(1) equal independent air-feeding in the regional of refrigerator, makes that refrigerator indoor are good without dead angle, temperature homogeneity, system
Cold efficiency is high, and cold wind will not blow-through food, the preservativity of food is also obviously improved.
(2) quadrant elevation type air-out coordinates with diving type air-out, and regional area forms inverse circulation, causes air-flow actively to disturb
Dynamic, it is possibly realized because the air supply mode of this uniqueness makes semi-enclosed layer set up meter, thus it is uneven to overcome cold,
Reduce cold to run off, improve temperature equalization further and improve refrigerating efficiency, and effectively improving each interlayer
The problem of food taint of odour.
(4) use quadrant elevation type air outlet structure, thoroughly solve food and stop the possibility in air channel.
(5) the lower air outlet of bottom uses bell-mouth structure of air, because cross section becomes big suddenly at air outlet, reduces blast,
Make cold enter drawer gently, improve preservativity, also help the condensed water in air channel simultaneously and discharge, will not
The residual ice of coagulation.
Accompanying drawing explanation
Fig. 1 is prior art parallel air supply mode structural representation;
Fig. 2 is the unidirectional upper air-out mode structural representation of prior art;
Fig. 3 is prior art bilaterally air-out mode structural representation;
Fig. 4 is prior art layer frame and box body assembling structure schematic diagram;
Fig. 5 is distribution of air flow schematic diagram of the present invention;
Fig. 6 is quadrant elevation type air outlet structure one schematic diagram of the present invention;
Fig. 7 is quadrant elevation type air outlet structure two schematic diagram of the present invention;
Fig. 8 is quadrant elevation type air outlet structure three schematic diagram of the present invention;
Fig. 9 is diving type air outlet structure schematic diagram of the present invention;
Figure 10 is air outlet structure schematic diagram under the present invention.
As shown in Figures 1 to 10, casing 1, layer frame 2, drawer 3, rear wall 4, return air inlet 5, quadrant elevation type air outlet 6,
Diving type air outlet 7, parallel air outlet 8, door body 9, wind deflector 10, baffle plate 11, expanded material 12, blade 13,
Air channel 14, lobe 15, lower air outlet 16, vaporizer 17, centrifugal blower 18, gap 19.
Detailed description of the invention
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings:
As it is shown in figure 5, a kind of refrigerator of the present invention, including casing 1, the top in casing 1 and central space
Being provided with multiple layers of frame 2, the lower space in casing 1 arranges multiple drawer 3, and multiple layers of frame 2 are by the sky in casing 1
Between be separated into multiple relatively independent region, the rear wall 4 of the casing 1 in each region all offers air outlet,
In the bottom of casing 1, return air inlet 5 is set.Air channel 14, vaporizer 17 and centrifugal blower 18 are set in the inner side of rear wall 4,
Air outlet is connected with air channel 14 with return air inlet 5.Under effect with centrifugal blower 18, the return air in casing 1 passes through back
Air port 5 enters in air channel 14, and after carrying out heat exchange with vaporizer 17, cold air blows out from each air outlet, reduces case
Temperature in body 1.Air channel 14, each air outlet form the supply air system of refrigerator.
As it is shown in figure 5, the air outlet in three regions on casing 1 top is quadrant elevation type air outlet 6, in casing 1
Air outlet in one region in portion is diving type air outlet 7, and the air outlet that three drawers of casing 1 bottom are corresponding is equal
For parallel air outlet 8.
Use diving type air outlet 7 in central region, can be formed against circulation in central region, and diving type air-out
It is relatively big that mouth 7 designs air quantity, produces adverse current disturbance in this region, and cold is sufficient herein, can meet fast quickly cooling
But demand, such as ice maker.
It it is 25 °-50 ° through substantial amounts of experimental verification, the preferably elevation coverage of quadrant elevation type air outlet 6, the most most preferably
Value is 45 °, and the angle of depression scope of diving type air outlet 7 is 25 °-50 °, and wherein optimum is 45 °.Quadrant elevation type air-out
Mouth 6 and diving type air outlet 7 are close near the layer frame 2 of overlying regions arrange, so that air-flow is under the stop of layer frame 2
In region, produce circulation, make air flow method be more uniformly distributed.
The air supply mode of this refrigerator is, and the upper space in casing 1 uses quadrant elevation type air-out, and central space uses and bows
Rushing formula air-out, the air-flow on top flows downward along the passage in refrigerator door 9 front, reverse at zone line and middle part
Air-flow crosses, and causes flow perturbation actively.It is uneven that this air supply mode overcomes cold, reduces cold and runs off,
Improve temperature equalization further and improve refrigerating efficiency, making refrigerator indoor without dead angle.Further, since the elevation angle
Formula air outlet 6 and the design of diving type air outlet 7, cold wind will not blow-through food, the preservativity of food also has substantially
Promote.
Because of independent air-feeding equal in regional, air quantity is in admirable proportion so that semi-enclosed layer sets up meter and is possibly realized,
It is connected as it is shown in figure 5, all close between the dual-side of layer frame 2 and back and two side and the rear wall 4 of casing 1, is formed
Semienclosed space, be no longer necessary between the rear wall 4 of layer frame 2 and casing 1 reserved as shown in Figure 4 for air stream
The dynamic gap 19 that leaks out, cold wind is after the partial circulating completing each region leaves, and directly through systemic circulation return air, reduces
Enter the chance in other regions, and then effectively improve the problem of each interlayer food taint of odour, also improving refrigeration effect
Rate.
As shown in Figure 6 to 8, quadrant elevation type air outlet 6 is surrounded by the wind deflector 10 on top and the baffle plate 11 of bottom, wind-guiding
The inner side of plate 10 and baffle plate 11 is expanded material 12, and the wind deflector 10 direction, air channel 14 inside rear wall 4 extends, gear
The direction of plate 11 layer frame 2 the most laterally is stretched out, and the opening between wind deflector 10 and baffle plate 11 i.e. forms quadrant elevation type air outlet
6.The structure of quadrant elevation type air outlet 6 can be three kinds of forms: as shown in Figure 6, and the section of wind deflector 10 and baffle plate 11 is equal
In arc line shaped, the bearing of trend of baffle plate 11 is the tangential direction at the elevation angle;As it is shown in fig. 7, the section of wind deflector 10 be to
The oblique line of lower inclination, the bowl-type that baffle plate 11 is bent upwards to employing;As shown in Figure 8, wind deflector 10 and baffle plate 11 is disconnected
Face is oblique line shape, and is additionally provided with the most a piece of blade 13 between wind deflector 10 and baffle plate 11, forms a kind of hundred
The structure of leaf window, this structure is under the effect of blade 13, and air-flow can flow out from multiple directions, makes this region
Interior air flow method is more uniform, beneficially circulation of air flow.
As shown in Figure 6, in the present embodiment, the upper edge of baffle plate 11 is generally aligned in the same plane with the lower edge of wind deflector 10, or
Quadrant elevation type air outlet 6, higher than the lower edge of wind deflector 10, so can be stashed, from refrigerator by the upper edge of baffle plate 11
Front, it cannot be seen that quadrant elevation type air outlet 6 on rear wall 4, while improving performance, is hardly visible wind from front
Road 14 and expanded material 12, make product more attractive in appearance.Separately, owing to baffle plate 11 extends obliquely, in the resistance of baffle plate 11
Under gear, food will not stop quadrant elevation type air outlet 6, and then ensures the gas flowing in region, and defrosting water is also
From internal reflux under the stop of baffle plate 11, outside will not be flowed to.
As it is shown in figure 9, diving type air outlet 7 is casing 1 rear wall 4 tilts the lobe 15 protruded obliquely, in projection
The inside in portion 15 is offered a gas channel and is formed the diving type air outlet 7 of downward air-out.
As shown in Figure 10, the nethermost lower air outlet 16 in three parallel air outlets 8 of casing 1 bottom, for loudspeaker
Mouth, bell-mouthed tilts below obliquely, and bell-mouthed top is approximate horizontal, because lower air outlet 16 is in outlet
Cross section, place becomes big suddenly, reduces blast, makes cold enter drawer 3 gently, improve preservativity.Meanwhile, tilt
Angle be conducive to the condensed water in air channel 14 to flow out from here, it is ensured that draining is unobstructed, will not the residual ice of coagulation.
As it has been described above, combine the plan content given by accompanying drawing, similar technical scheme can be derived.In every case it is
Without departing from the content of technical solution of the present invention, any letter above example made according to the technical spirit of the present invention
Single amendment, equivalent variations and modification, all still fall within the range of technical solution of the present invention.