CN103597301A

CN103597301A - Refrigerator

Info

Publication number: CN103597301A
Application number: CN201280028210.0A
Authority: CN
Inventors: 西村隆志
Original assignee: Sharp Corp
Current assignee: Sharp Corp
Priority date: 2011-06-09
Filing date: 2012-06-07
Publication date: 2014-02-19
Anticipated expiration: 2032-06-07
Also published as: JP2012255597A; WO2012169572A1; JP5175954B2; CN103597301B

Abstract

Provided is a refrigerator which comprises: a storage compartment (3) for cold storing stored items; a cooler (11) for generating cold air; discharge passages (20) which are provided protruding from the rear surface of the storage compartment (3) and extending vertically at the centre in the lateral direction, and which also open at a side surface into discharge ports (24) for discharging cold air to the storage compartment (3); a return passage (30) which opens into a return port (31), from which the cold air in the storage compartment (3) flows out, to return the cold air to the cooler (11); and a member (22) comprising a transcalent element positioned at the front surface of the discharge passages (20).

Description

Refrigerator

Technical field

The present invention relates to dispose at the back side of storeroom the refrigerator of cold air flow pass, this cold air flow pass offers flow export.

Background technology

Patent documentation 1 discloses existing refrigerator.Described refrigerator is provided with refrigerating chamber on the top of main part, below refrigerating chamber, across thermal wall, is provided with refrigerating chamber.The back side of refrigerating chamber is formed with cold air path, is provided with cooler in cold air path.Above the front surface of cold air path and cooler, offer flow export.The back side of refrigerating chamber is provided with the flow pass that is communicated in cold air path.Front surface at flow pass offers flow export.

In addition, the upper surface front portion of the thermal wall between refrigerating chamber and refrigerating chamber offers the return port towards refrigerating chamber, in lower surface front portion, offers the return port towards refrigerating chamber.The inside of thermal wall is respectively equipped with for connecting the backward channel of the cold air path of each return port and cooler upstream side.

The cold airflow that cooler generates is crossed cold air path and is discharged to refrigerating chamber from flow export.The cold air that is discharged to refrigerating chamber circulates at refrigerating chamber, and by the backward channel of refrigerating chamber side, turns back to the cold air path of cooler upstream side.Thus, in refrigerating chamber, be cooled.Flow through a part of inflow and outflow passage of the cold air of cold air path, and cold air is discharged to refrigerating chamber from flow export.The cold air that is discharged to refrigerating chamber circulates at refrigerating chamber, and by the backward channel of refrigerating chamber side, turns back to the cold air path of cooler upstream side.Thus, in refrigerating chamber, be cooled.

Patent documentation 1: No. 3892814th, Japanese patent gazette (the 4th page the-the 8th page, Fig. 2)

Yet, according to above-mentioned existing refrigerator, because flow export is opened in the front surface of the set flow pass in the back side of refrigerating chamber, so cold air is forwards discharged from flow export.Like this, because the reserve in refrigerating chamber directly contacts cold air, exist reserve that dry problem occurs.

Summary of the invention

The object of this invention is to provide and a kind ofly can alleviate the dry refrigerator of reserve.

To achieve these goals, refrigerator of the present invention comprises: storeroom, cooling preservation reserve; Cooler, generates cold air; Flow pass, outstanding and in the central portion setting extending longitudinally of left and right directions from the back side of described storeroom, and side opening is provided with for discharge the flow export of cold air to described storeroom; Backward channel, offers the return port that the cold air of described storeroom is flowed out, and makes cold air return to described cooler; And the member being formed by hot good conductor, be arranged on the front surface of described flow pass.

According to described structure, the cold airflow that cooler generates is crossed from the outstanding flow pass of the central portion at the storeroom back side.The cold that flows through the cold air of flow pass is delivered on the member of good conductor of the conduct heat that is arranged on front surface, and is supplied to refrigerating chamber.The cold air that flows through flow pass is discharged in storeroom from being opened in the flow export of side, and circulates along the back side and the side of storeroom.The cold air that flows through storeroom flows out from return port, and turns back to cooler by backward channel.The cold that the reserve of the central portion of storeroom utilizes member to discharge is cooled, and the reserve utilization of both sides is cooled along the cold of the back side of storeroom and the cold air of side circulation.

In addition, the present invention is on the basis of the refrigerator of said structure, and described return port is configured in the bottom of described storeroom, and described flow export is configured in the top of described return port.According to described structure, the cold air of discharging from flow export is directed to return port because conducting oneself with dignity.

In addition, the present invention is on the basis of the refrigerator of said structure, and described backward channel overlaps with the front surface of described flow pass, and described member enters in described backward channel by the described return port of opening upward.According to described structure, by return port, flow into the cold air of backward channel along the front surface circulation of member.Thus, the cold that flows through the cold air of backward channel is delivered to member and discharges to storeroom.

In addition, the present invention is on the basis of the refrigerator of said structure, and during from top view, described cooler configuration is on the extended line of described flow pass.

According to the present invention, at the front surface of the outstanding flow pass of the central portion from the storeroom back side, be provided as the member of hot good conductor, and side is provided with flow export.Thus, from member released cold quantity, and the cold air of discharging from flow export is along the back side and the side circulation of storeroom.Therefore, utilize the cold that discharges from member and along the cold of the back side of storeroom and the cold air of side, the reserve that cold storage is indoor.Therefore, the cold air that directly contacts reserve reduces, and can alleviate the dry of reserve.

Accompanying drawing explanation

Fig. 1 means the front view of inside of the refrigerator of embodiment of the present invention.

Fig. 2 means the cross-sectional side view of inside of the refrigerator of embodiment of the present invention.

Fig. 3 is the A-A sectional drawing of Fig. 1.

Fig. 4 is the B-B sectional drawing of Fig. 1.

Description of reference numerals

1 refrigerator

2 heat insulating boxes

3 refrigerating chambers

3a backplate

3b sidewall

4 refrigerating chambers

6 setting units

8 isolation wards

10 cold air paths

11 coolers

12 fans

13 Defrost heaters

14,15,24 flow exports

16,31 return ports

20 flow pass

21 pipeline panels

22 members

23 keep panel

30 backward channels

The specific embodiment

Referring to accompanying drawing explanation embodiments of the present invention.Fig. 1, Fig. 2 mean front view and the cross-sectional side view of the refrigerator inside of an embodiment.Top at the heat insulating box 2 of refrigerator 1 is provided with the refrigerating chamber 3 for stored refrigerated reserve.Below refrigerating chamber 3, be provided with the refrigerating chamber 4 for freezing preservation reserve.Refrigerating chamber 3 is separated by thermal wall 5 with refrigerating chamber 4.

In the behind of refrigerating chamber 4, be formed with cold air path 10.On the front surface top of cold air path 10, offer

flow export

14,15, in the lower end of cold air path 10, offer return port 16.In cold air path 10, be provided with for generating the cooler 11 of cold air.Above cooler 11, be provided with fan 12, below is provided with Defrost heater 13.Utilize the driving of fan 12, thereby make the air and the cooler 11 that flow through cold air path 10 carry out heat exchange generation cold air.In addition, utilize the driving of Defrost heater 13 to defrost to cooler 11.

In the bottom of refrigerating chamber 3, be formed with the isolation ward 8 being separated by separation frame 7.The receiver 8a sliding before and after being provided with in isolation ward 8.On the 3b of the two side of refrigerating chamber 3, be set side by side with along the vertical direction a plurality of setting units 6, described setting unit 6 is for setting up the pallet (not shown) of carrying reserve.

In the behind of refrigerating chamber 3, be provided with the flow pass 20 that is communicated in cold air path 10 by baffle plate 18.Flow pass 20 is in the central portion setting extending longitudinally of refrigerating chamber 3 left and right directions, and from outstanding formation of backplate 3a of refrigerating chamber 3.In addition,, during from top view, cooler 11 is configured on the extended line of flow pass 20.In the bottom of refrigerating chamber 3, be formed with backward channel 30, described backward channel 30 offers return port 31 at upper surface.Backward channel 30 is connected with the cold air path 10 of cooler 11 upstream sides.

Fig. 3 has represented the A-A sectional drawing of Fig. 1.On the backplate 3a of refrigerating chamber 3, be provided with the pipeline panel 21 being formed by heat-barrier materials such as expanded polystyrene (EPS)s.Pipeline panel 21 is kept by the maintenance panel 23 as synthetic resin, keeps the engagement pawl (not shown) arranging on panel 23 to engage with backplate 3a.Thus, pipeline panel 21 is installed on to backplate 3a, utilizes the recessed groove that is arranged on pipeline panel 21 back sides to form flow pass 20.The sidewall 21a of pipeline panel 21 forms the side of flow pass 20, and offers the flow export 24 of cold air.

Flow export 24 is separately positioned on each setting unit 6(with reference to Fig. 2) between.Thus, when pallet is set to the position needing, can in each region of being separated by pallet, discharge cold air.Therefore the reserve, carrying on cooling pallet reliably.In addition, isolation ward 8(is with reference to Fig. 1) flow export 24 is not set.

The front surface of pipeline panel 21 is provided with the member 22 being formed by hot good conductors such as metals (such as stainless steel and aluminium).Member 22 engages and is installed on the slot part 23a of setting on maintenance panel 23.Utilize member extending longitudinally 22 to cover the front surface of flow pass 20.Thus, the cold that flows through the cold air of flow pass 20 is delivered to member 22 by pipeline panel 21, and discharges to refrigerating chamber 3.

Fig. 4 has represented the B-B sectional drawing of Fig. 1.Backward channel 30(is with reference to Fig. 1) overlap with the front surface of the bottom of flow pass 20, be arranged on isolation ward 8(with reference to Fig. 1) in return port 31 towards upper opening.In order to prevent that foreign matter from entering, on return port 31, be formed with grid 31a.In addition, member 22 enters in backward channel 30 by return port 31 from top, and backward channel 30 is contacted with the cold air of front surface circulation along member 22.Thus, the cold that flows through the cold air of backward channel 30 is passed to member 22.

In the refrigerator 1 of said structure, when drive fan 12, the cold airflow being generated by cooler 11 is crossed cold air path 10, and from

flow export

14,15, is discharged to the top of refrigerating chamber 4.Be discharged to the cold air of refrigerating chamber 4 in the interior circulation of refrigerating chamber 4, from the return port 16 of bottom, flow out and turn back to cooler 11.Thus, the reserve in refrigerating chamber 4 is cooled.

If open baffle plate 18, a part that flows through the cold air of cold air path 10 is directed to flow pass 20.The cold air that flows through flow pass 20 from the flow export 24 that is arranged at side if arrow D1(is with reference to Fig. 3) as shown in to side, discharge.The cold air limit of discharging from flow export 24 is because of deadweight decline, and the backplate 3a of edge refrigerating chamber 3 circulates on left and right directions, and forwards circulates along the sidewall 3b of refrigerating chamber 3.

Then, this cold air flows into isolation ward 8 from the place ahead, in surrounding's circulation of receiver 8a and as arrow D2(is with reference to Fig. 2) as shown in, from return port 31 outflows of the central portion of left and right directions.The cold airflow flowing out from return port 31 is crossed backward channel 30, and returns to cooler 11.

In addition, the cold that flows through the cold air of flow pass 20 and backward channel 30 is passed to member 22, as shown in arrow E (with reference to Fig. 3) to the interior release of refrigerating chamber 3.

The reserve utilization that is arranged on the central portion of the left and right directions in refrigerating chamber 3 is cooled from the cold of member 22 releases.The reserve utilization of the both sides in refrigerating chamber 3 is cooled along the cold of the cold air of backplate 3a and sidewall 3b circulation.Thus, can utilize cold from cold storage thing indirectly around.

According to present embodiment, at the front surface of the outstanding flow pass 20 of the central portion from refrigerating chamber 3 back sides, be provided with the member 22 as hot good conductor, in side, be provided with flow export 24.Thus, from member 22 released cold quantities, the cold air of discharging from flow export 24 is along the back side and the side circulation of refrigerating chamber 3.Therefore the cold that, the reserve utilization in refrigerating chamber 3 discharges from member 22 and being cooled along the cold of the cold air of the back side and side.Therefore, the cold air that directly contacts reserve reduces, and can alleviate the dry of reserve.

In addition, because flow pass 20 is arranged on the central portion of left and right directions, so when guaranteeing the basal area of horizontal section of flow pass 20 according to flow, the asperratio of horizontal section approaches 1.Thus, reduce the pressure loss of flow pass 20, can realize the energy-saving of refrigerator 1.

In addition, because return port 31 is configured in the bottom of refrigerating chamber 3, flow export 24 is configured in the top of return port 31, so the cold air of discharging from flow export 24 is directed to return port 31 because of deadweight.Therefore, can improve the air-supply efficiency of fan 12.

In addition, because backward channel 30 overlaps with the front surface of flow pass 20, and member 22 enters in backward channel 30 by the return port 31 of opening upward, so flow through the cold of the cold air of backward channel 30, is passed to member 22 and discharges to refrigerating chamber 3.Therefore, can further improve the cooling effectiveness of refrigerator 1.

In addition, during from top view, because cooler 11 is configured on the extended line of flow pass 20, thus will cold air path 10 and flow pass 20 direction is crooked to the left and right, just cold air can be exported to 24 from cooler 11 pilot flow.Therefore, can further reduce the pressure loss of flow pass 20.

Industrial applicibility

The present invention can be applied to dispose at the back side of storeroom the refrigerator of cold air flow pass, and described cold air flow pass offers flow export.

Claims

1. a refrigerator, is characterized in that comprising:

Storeroom, cooling preservation reserve;

Cooler, generates cold air;

Flow pass, outstanding and in the central portion setting extending longitudinally of left and right directions from the back side of described storeroom, and side opening is provided with for discharge the flow export of cold air to described storeroom;

Backward channel, offers the return port that the cold air of described storeroom is flowed out, and makes cold air return to described cooler; And

The member consisting of hot good conductor, is arranged on the front surface of described flow pass.

2. refrigerator according to claim 1, is characterized in that, described return port is configured in the bottom of described storeroom, and described flow export is configured in the top of described return port.

3. refrigerator according to claim 2, is characterized in that, described backward channel overlaps with the front surface of described flow pass, and described member enters in described backward channel by the described return port of opening upward.

4. according to the refrigerator described in any one in claim 1～3, it is characterized in that, during from top view, described cooler configuration is on the extended line of described flow pass.