Refrigerator
[technical field]
The utility model relates to a kind of refrigerator, refers in particular to the ducting system of refrigerator.
[background technology]
Refrigerator especially adopts the household electric refrigerator of air cooling system, on the rear wall of the refrigerating chamber of refrigerator and refrigerating chamber ducting system is set usually.This ducting system comprises the air channel cover plate on the back adiabatic wall that is installed in refrigerating chamber or refrigerating chamber, is arranged on the evaporimeter in the gap between air channel cover plate and the adiabatic wall, and is arranged on upper end of evaporator or lower end fan.Offer several perforates on the cover plate of air channel, the rotation of fan makes and is directed to refrigerating chamber or the refrigerating chamber from this perforate through evaporimeter cooled air stream, realizes storing the cooling of article wherein.
U.S. Patent application US2006/0070395 A1 has disclosed a kind of existing refrigerator with ducting system, fan in the ducting system of this refrigerator vertically is placed on the top of evaporimeter, because the volume ratio of fan is huger, fan motor is partially embedded in the adiabatic wall, thereby reduced the thickness of this place's heat insulation layer, be unfavorable for that the temperature of cold compartment of refrigerator keeps.U.S. Patent application US2007/0157646 A1 has disclosed another kind of improved refrigerator with ducting system, fan in the ducting system of this refrigerator changes the top that lies in a horizontal plane in evaporimeter into, overcome the shortcoming of fan among the US2006/0070395 A1 like this, but, these two common shortcomings of U.S. Patent application are: the perforate on the cover plate of air channel all is perpendicular to the air channel and offers, cause cold air stream to be derived with direction perpendicular to the door of refrigerating chamber, when the door of refrigerating chamber is in the enable possition, cold air stream directly blows out in refrigerating chamber outside the refrigerating chamber, has increased the energy loss of refrigerating chamber.
[summary of the invention]
The purpose of this utility model is to provide a kind of refrigerator with the ducting system that can improve efficiency.
For achieving the above object, the refrigerator of a kind of embodiment of the present utility model comprises the casing with inner accepting space, movably is connected to the door that is used to seal this inner accepting space on the casing, and is arranged on the ducting system on the insulated rear wall of casing; Wherein this ducting system comprises the air channel cover plate with air outlet, is arranged on the evaporimeter between air channel cover plate and the insulated rear wall, and fan; Wherein fan is horizontally set on the top of evaporimeter, and the air outlet on the cover plate of air channel is obliquely installed, and the air stream that is driven by fan with the angle that tilts with the air channel cover plate upwards or be blown in the inner accepting space downwards.
As further improvement of the utility model, described inner accepting space is the refrigerating chamber or the refrigerating chamber of refrigerator, described air channel cover plate is arranged on the insulated rear wall of refrigerating chamber or refrigerating chamber, it comprise and insulated rear wall between the gap broad the latter half and and insulated rear wall between the narrower the first half in gap.
As further improvement of the utility model, described evaporimeter and fan are arranged between the latter half and insulated rear wall of air channel cover plate, and the described air outlet that is obliquely installed is arranged on the first half of air channel cover plate.
As further improvement of the utility model, the top of the air channel cover plate in the refrigerating chamber has air outlet upwards, and the air stream that blows out from this air outlet is directed to the automatic ice maker of refrigerating chamber.
As further improvement of the utility model, air outlet has the tongue that tilts inwards at opening part on the cover plate of described air channel, forms acclivitous air outlet.
As further improvement of the utility model, air outlet has at the outward-dipping tongue of opening part on the cover plate of described air channel, forms downward-sloping air outlet.
The beneficial effects of the utility model are: adopted the air outlet that tilts, avoided air stream directly to blow out refrigerator outdoors, reduced energy loss.
[Brief Description Of Drawings]
Fig. 1 is the schematic perspective view of refrigerator of the present utility model;
Fig. 2 is the schematic diagram of ducting system of the refrigerating chamber of the refrigerator among Fig. 1;
Fig. 3 is the schematic diagram of ducting system of the refrigerating chamber of the refrigerator among Fig. 1.
[specific embodiment]
With reference to figure 1, the refrigerator of a kind of embodiment of the present utility model comprises a casing 1 that is enclosed to form by lagging casing, and this casing has refrigerating chamber 2 (see figure 2)s and refrigerating chamber 3 (see figure 3)s that are set up in parallel.Refrigerating chamber 2 and the refrigerating chamber 3 common inner accepting space that constitute casing 1, has a refrigerating-chamber door 4 that is used to seal refrigerating chamber 2 on the refrigerating chamber 2, has a refrigerating chamber door 5 that is used to seal refrigerating chamber 3 on the refrigerating chamber, a water outlet ice mouth 50 is set on the refrigerating chamber door 5, can discharges by this water outlet ice mouth 50 by the ice cube that the automatic ice maker in the refrigerating chamber produces.
With reference to figure 2, refrigerating chamber 2 has an insulated rear wall 10 that is made of heat-insulating material, and the ducting system of refrigerating chamber is set on this insulated rear wall 10.This ducting system comprises air channel cover plate 60, refrigerator evaporator 63, and refrigerating chamber fan 64.Have certain clearance between air channel cover plate 60 and the insulated rear wall, it comprise and insulated rear wall between the bigger the latter half 61 of distance and and insulated rear wall between the less the first half 62 of distance.It is in order there to be enough spaces to hold refrigerator evaporator 63 that the latter half 61 is arranged to bigger gap, can allow refrigerating chamber have bigger usage space first but the first half 62 is arranged to less clearance, second can in less clearance, flow so that flow more the concentrated area by refrigerating chamber fan 64 driven air.Fan 64 is horizontally set on the top of refrigerator evaporator 63, and horizontally disposed fan makes that air stream does not need promptly can be drawn the first half 62 of coming and directly being blowed to air channel cover plate 60 through refrigerator evaporator 63 through baffling.Has air outlet 620 on the first half 62 of air channel cover plate 60 towards refrigerating chamber 2, air outlet 620 has the tongue 622 of an inclination, tongue 622 bends to the inside with respect to air channel cover plate 60, thereby form an angle that is tilted at air outlet 620 places, the air that blows out from air outlet 620 flows the guiding of passing through tongue 622, is blown in the refrigerating chamber 2 with the direction on being tilted to.
Be provided with several and put dish 20 and drawer 22 in refrigerating chamber 2, baffling takes place at the roof of running into refrigerating chamber and after putting dish 20, drawer 22 in the air stream that tilts to blow out from air outlet 620.When refrigerating-chamber door 4 was in closed condition, air failed to be convened for lack of a quorum and flows downward along door, and finally was back in the refrigerator evaporator 63 by the return air inlet on the latter half of air channel cover plate 60 610.When refrigerating-chamber door 4 was in opening, because the flow direction of air stream in refrigerating chamber 2 do not face refrigerating-chamber door 4, air stream can directly not flow out outdoors, thereby had reduced the loss of energy.
With reference to figure 3, the structure of the ducting system of refrigerating chamber 2 is similar among the structure of the ducting system of refrigerating chamber 3 and Fig. 2.Difference is: owing to be provided with automatic ice maker 24 at the top of refrigerating chamber 3, so the top in the first half 72 of air channel cover plate 70 is provided with an air outlet that makes progress 724, can be directed to through the air stream of this air outlet 724 and be specifically designed to the making ice cube in the automatic ice maker 24.
More than be better embodiment of the present utility model, those of ordinary skill in the art also can make rational adjustment to above embodiment according to concrete needs under the prerequisite of not paying creative work.For example, the tongue of the air outlet on the air channel cover plate of present embodiment is the inclined lead air stream that goes out to be tilted to inwards, also can be adjusted into the outward-dipping air stream that is guided out being tilted under of tongue, as long as reach the effect that allows the inclination of air stream blow out.In a word, these rational adjustment all should be within the protection domain of claim of the present utility model.