CN102809259A

CN102809259A - Refrigerator

Info

Publication number: CN102809259A
Application number: CN2012101771816A
Authority: CN
Inventors: 佐藤正俊
Original assignee: Toshiba Corp; Toshiba Consumer Electronics Holdings Corp; Toshiba Home Appliances Corp
Current assignee: Toshiba Corp; Toshiba Lifestyle Products and Services Corp
Priority date: 2011-06-03
Filing date: 2012-05-31
Publication date: 2012-12-05
Anticipated expiration: 2032-05-31
Also published as: TWI555956B; JP6071174B2; JP2012251737A; CN102809259B; TW201250186A

Abstract

The invention provides a refrigerator invulnerable to pipe marks on the outer surface of the cabinet. The refrigerator (10) comprises: a cabinet (16) with insulation materials (11, 13, 15) arranged in an insulation material space between an outer box (12) and an inner box (14); a refrigeration cycle (50); and a heat dissipation pipe (62) consisting as a part of a high-temperature side refrigerant pipe of the refrigeration cycle (50) and arranged from a side wall (16a) of the cabinet (16) to another side wall (16b) facing the side wall (16a) via a top wall (16c), wherein bending sections (62c) deformable towards the width direction are arranged at two ends of the width direction of the top wall (16c) of the heat dissipation pipe (62).

Description

Refrigerator

Technical field

Embodiment of the present invention relates to a kind of refrigerator.

Background technology

Since previous; In refrigerator; Lower backside at casing (cabinet) is provided with the Machine Room; In this Machine Room, take in compressor, the condenser that constitutes the freeze cycle (cycle) make the cold-producing medium circulation and connect their coolant conduits (pipe) etc., said casing is a filling-foam heat-barrier material and constituting in the insulated space that is formed between outer container and the interior case.

The coolant conduits of outlet side that is connected in condenser is sometimes as heat radiation conduit and set along the insulated space side of outer container; To prevent the dewfall on the casing outer surface; Perhaps the heat of cold-producing medium is further dispelled the heat, said heat radiation conduit constitutes the part (for example following patent documentation 1) of the high temperature side coolant conduits that aqueous cold-producing medium circulated before the decompressor decompression.

This kind is to form through following manner at the casing that the insulated space side of outer container is equipped with heat radiation conduit; That is: forming on the outer container of regulation shape through compacting (press) processing etc.; Utilize aluminium foil to paste band (tape) etc. and fix after the heat radiation conduit that is bent into the regulation shape in advance; Interior case is assembled in this outer container, and in the insulated space that is formed between outer container and the interior case filling with insulation material.

The prior art document

Patent documentation

Patent documentation 1: Japanese Patent Laid is opened 2010-38528 number

Summary of the invention

[problem that invention will solve]

But; Compare with outer container; Be difficult to heat radiation conduit dimensional accuracy bending process established practice well shaped, the dimensional discrepancy of heat radiation conduit is big, therefore when heat radiation conduit is fixed in outer container; Can occur being known as the protuberance of the outer container conduit trace, that cause because of heat radiation conduit at the outer surface of casing, thereby infringement refrigerator anxiety attractive in appearance is arranged.

The present invention considers above-mentioned situation and accomplishes that its purpose is to provide a kind of refrigerator, is difficult for the conduit trace occurring at the outer surface of casing, thus harmless anxiety attractive in appearance.

[solving the means of problem]

Refrigerator according to this embodiment comprises: casing is equipped with heat-barrier material in the insulated space in being formed between case and the outer container; Freeze cycle; And heat radiation conduit; Constitute the part of the high temperature side coolant conduits of said freeze cycle; And set via roof and a said sidewall another sidewall in opposite directions from a sidewall of said casing; This refrigerator is characterised in that said heat radiation conduit possesses at the width both ends of said roof can be towards the bend of width distortion.

Thus, a kind of refrigerator is provided, is difficult for the conduit trace occurring at the outer surface of casing, thus harmless anxiety attractive in appearance.

Description of drawings

Fig. 1 is the cutaway view of the refrigerator of an instance of the present invention.

Fig. 2 is the figure of freeze cycle of the refrigerator of presentation graphs 1.

Fig. 3 is that expression is provided in heat radiation conduit and the figure of vacuum heat insulation material in the casing of refrigerator of Fig. 1.

Fig. 4 is the plane of casing of the refrigerator of Fig. 1.

Fig. 5 is the side view of the outer container side of the refrigerator of Fig. 1 being given the abridged casing.

Fig. 6 is the major part enlarged drawing of Fig. 5.

Fig. 7 is the major part enlarged side view of the outer container side of the refrigerator of comparative example being given the abridged casing.

The explanation of symbol:

10: refrigerator

11: vacuum heat insulation material

12: outer container

12a: outer box plate

12b: outer roof box

13: foamed heat-insulating material

14: interior case

15: vacuum heat insulation material

15a: groove

16: casing

1 6a, 16b: sidewall

16c: roof

17: heat insulation partition wall

19: the Machine Room

20: refrigerating space

21: partition wall

22: refrigerating chamber

23: door

24: vegetable compartment

26: accommodating container

30: recess

31: lighting device

40: reefer space 42: ice-making compartment

46: refrigerating chamber

50: freeze cycle

51: compressor

52: cooler is used in refrigeration

53: Air Blast fan is used in refrigeration

54: the freezing cooler of using

55: the freezing Air Blast fan of using

56: condenser

57: transfer valve

58: decompressor is used in refrigeration

59: the freezing decompressor of using

60: check-valves

61: heat radiation conduit

61a: the limit, upper end of heat radiation conduit

62: heat radiation conduit

62a: side heat radiation conduit

62b: end face heat radiation conduit

62c: bend

62c-1: limit portion

64: fixed mechanism

65: return portion

A: the distance till from the upper end of vacuum heat insulation material to the limit, upper end that is provided in the heat radiation conduit the sidewall

B: the distance till from the limit, upper end to outer roof box

The specific embodiment

Below, based on accompanying drawing an embodiment of the present invention is described.

The refrigerator 10 of this embodiment is as shown in Figure 1, possesses the casing 16 that between outer container 12 and interior case 14, is provided with insulated space, and said outer container 12 comprises steel plate, and said interior case 14 forms storage spaces.

The refrigerating space 20 above the storage space of side is divided into by heat insulation partition wall 17 in the case 14 in being formed on and the reefer space 40 of below.

Refrigerating space 20 is the spaces that are cooled to refrigerated storage temperature (for example 2 ℃～3 ℃); And inside further is separated wall 21 and divides up and down; Above partition wall 21, be provided with refrigerating chamber 22; Below partition wall 21, be provided with vegetable compartment 24, said refrigerating chamber 22 is provided with multistage and carries and put shelf, the accommodating container 26 of said vegetable compartment 24 configuration pull-out types.

On the roof 16c of the casing 16 of the end face that forms refrigerating chamber 22, as shown in Figure 1, in central portion position more on the front, be formed with from the refrigerator inboard recess 30 of (being the insulated space side) subsidence towards the top than the fore-and-aft direction of refrigerating chamber 22.

In this recess 30, taken in lighting device 31, when the door 23 of refrigerating chamber 22 is opened, come throwing light in the refrigerating chamber 22 through the driving power of supplying with from the control substrate (not shown) of refrigerator.

Below the vegetable compartment 24 across heat insulation partition wall 17 and the reefer space 40 of configuration is the space that is cooled to cryogenic temperature (for example-18 ℃ below); About be disposed with the ice-making compartment 42 and walk-in freezer (not shown) that possesses automatic ice maker, below this reefer space 40, be provided with refrigerating chamber 46.

Rear portion at refrigerating space 20 is provided with: refrigeration is cooled off the air in the refrigerating space 20 with cooler 52; And refrigeration will be delivered to refrigerating chamber 22 and vegetable compartment 24 with cooler 52 cooled cold air through refrigeration with Air Blast fan (fan) 53.

And, be provided with at the rear portion of reefer space 40: freezing with cooler 54, the air in the reefer space 40 is cooled off; And freezing with Air Blast fan 55, will be delivered to ice-making compartment 42 and walk-in freezer and refrigerating chamber 46 with cooler 54 cooled cold air through freezing.

Refrigeration is with cooler 52 and freezing with cooler 54 and be accommodated in Machine Room 19 interior compressor 51 and condensers 56 and together constitute freeze cycle 50, and said Machine Room 19 is located at the lower backside of casing 16.

Freeze cycle 50 is as shown in Figure 2, possesses: compressor 51, the gasiform cold-producing medium of ejection HTHP; Condenser 56 receives from the gasiform cold-producing medium of compressor 51 ejections and carries out heat release liquefaction; Transfer valve 57 is located at the outlet side of condenser 56, switches refrigerant flow path; Refrigeration is with cooler 52 and freezing with cooler 54; Refrigeration is with decompressor 58 and freezing with decompressor 59, as the throttle mechanism that is used for said cooler 52,54; And check-valves 60, these parts are carried out pipe arrangement through coolant conduits connect, circulate thereby make, so that refrigeration is cooled off with cooler 54 with cooler 52 and freezing from the cold-producing medium of compressor 51 ejections.

In the refrigerator 10 of said structure, like Fig. 1, shown in Figure 3, casing 16 is that the insulated space side at outer container 12 is equipped with under the state of

heat radiation conduit

61,62 and vacuum

heat insulation material

11,15, and is through foamed heat-insulating material 13 that outer container 12 is integrated with interior case 14.

In detail;

Heat radiation conduit

61,62 is as shown in Figure 2; Be the coolant conduits that the outlet side with condenser 56 is connected with the inlet of transfer valve 57, constitute the part of the high temperature side coolant conduits that aqueous cold-producing medium circulated before

decompressor

58,59 decompressions.

Heat radiation conduit 61 is connected in the outlet side of condenser 56, and is as shown in Figure 3, runs through outer box plate 12a and gets in the foaming space of casing 16, and said outer box plate 12a forms the end face of Machine Room 19.

The heat radiation conduit 61 that gets in the casing 16 is arranged to roughly ring-type along its circumference in a sidewall 16a of casing 16, the end of heat radiation conduit 61 is run through outer box plate 12a and returned Machine Room 19 once more and be connected in heat radiation conduit 62.

Heat radiation conduit 62 is adapted to; Box plate 12a outside a sidepiece runs through from about Machine Room 19 and getting in the sidewall 16a of casing 16; The rearward end of a sidewall 16a towards above extend, pass the roof 16c of casing 16 after, the rearward end of another sidewall 16b that disposes in opposite directions with a said sidewall 16a towards below extend; And return another sidepiece of Machine Room 19, and be connected in the inlet that is located at the transfer valve 57 in the Machine Room 19.

Be provided in the sidewall 16a in opposite directions of casing 16, the part 62a that is positioned at the storage space outside in the heat radiation conduit 62 in the 16b; The side heat radiation conduit 62a that promptly in

sidewall

16a, 16b, is provided in the part of dividing storage space is shape linearly; Promptly; In the rearward end of

sidewall

16a, 16b, extend along the vertical direction in the insulated space side of outer container 12.

The upper end that is provided in the side heat radiation conduit 62a in sidewall 16a, the 16b bends and gets into the roof 16c of casing 16 towards the place ahead.

The heat radiation conduit 62 that is provided in the roof 16c of casing 16 is as shown in Figure 4, possesses bend 62c at the width both ends of roof 16c.

Bend 62c is the shape of turning back, that is, extend towards the place ahead from the rear portion of roof 16c and near the central portion of fore-and-aft direction, turn back towards the rear, and is in other words, outstanding towards the place ahead from the rear portion of roof 16c.

This kind turn back shape bend 62c with extend along fore-and-aft direction and on width in opposite directions a 62c-1 of opposite side portion close to each other away from mode generation strain, thereby can be with respect to width and strain ground is provided with.

Bend 62c set on the width both ends of roof 16c links through end face heat radiation conduit 62b, said end face heat radiation conduit 62b in the rearward end of roof 16c along the insulated space side of outer container 12 and be adapted to linearity.

And; Vacuum heat insulation material the 11, the 15th forms tabular with vacuum state sealed core (core) material in the choke container; Said choke container is processed by the laminate film that comprises aluminium foil (1aminate film); Said core comprises the glass fibre of cotton shape, and vacuum heat insulation material 11 is located among the roof 16c of casing 16, vacuum heat insulation material 15 be located at casing 16 about

sidewall

16a, 16b in.

The vacuum heat insulation material 11 that is located in the roof 16c of casing 16 is as shown in Figure 3; On fore-and-aft direction; Be provided in the set recess 30 of the front side of roof 16c and be configured between the end face heat radiation conduit 62b at rear portion; And on width, be provided between the bend 62c of both sides set in the heat radiation conduit 62.

That is, vacuum heat insulation material 11 avoids being located at the top position of the recess 30 among the roof 16c, and avoids bend 62c and end face heat radiation conduit 62b and dispose.

On vacuum heat insulation material 15 and forward surface outer container 12; As shown in Figure 5ly be provided with a pair of groove 15a; Said vacuum heat insulation material 15 is arranged in the sidewall 16a, the sidewall 16a who is equipped with heat radiation conduit 61 among the 16b of casing about 16, and said a pair of groove 15a is than bigger ground of the appearance and size subsidence of heat radiation conduit 61 and extend along the vertical direction.

The vacuum heat insulation material 15 that is provided with groove 15a disposes heat radiation conduit 61 in groove 15a, thus with and outer container 12 between clip the mode of heat radiation conduit 61 and be fixed in outer container 12 (with reference to Fig. 3).

When making this kind casing 16, at first, at the fixing

heat radiation conduit

61,62 of the insulated space side of outer container 12, said outer container 12 is through press process etc. steel plate to be formed the regulation shape, and said

heat radiation conduit

61,62 is bent into the regulation shape.

61,62 pairs of outer containers 12 of heat radiation conduit fixedly be to carry out through the fixed mechanism 64 that aluminium foil pastes good hot melt (hot melt) jointing material of band or thermal conductivity etc., conduct to outer container 12 well with heat with

heat radiation conduit

61,62.

Particularly; The heat radiation conduit 62 that sets another sidewall 16b via roof 16c from a sidewall 16a of casing 16 is except bend 62c; Be that side heat radiation conduit 62a and end face heat radiation conduit 62b fix through fixed mechanism 64, bend 62c can move freely with respect to outer container 12 and fixes.

Next, at the fixing vacuum

heat insulation material

11,15 of the insulated space side of the end face of the outer container 12 that fixes

heat radiation conduit

61,62 and left and right side.At this moment, the adjustment position is with configuration heat radiation conduit 61 in the formed groove 15a on vacuum

heat insulation material

11,15.

Then; Outer container 12 and interior case 14 are made up and between outer container 12 and interior case 14, form insulated space; And injecting the stoste of the foamed heat-insulating material that comprises polyurethane foam (polyurethane foam) to this insulated space, side is fixed with

heat radiation conduit

61,62 and vacuum

heat insulation material

11,15 to said outer container 12 in the foaming space.

Thus, form casing 16, said casing 16 is that the insulated space side at outer container 12 is equipped with under the state of

heat radiation conduit

61,62 and vacuum

heat insulation material

11,15, and is through foamed heat-insulating material 13 that outer container 12 and interior case 14 is integrated.

As stated, in the refrigerator 10 of this embodiment, the heat radiation conduit 62 that sets another sidewall 16b via roof 16c from a sidewall 16a of casing 16 is at the both ends of the width of roof 16c, and possessing can be towards the bend 62c of width distortion.

Therefore, there is dimensional discrepancy, also can absorbs the scale error that causes because of bending process towards width flexural deformation through bend 62c even be bent into the heat radiation conduit 62 of regulation shape.

Therefore, even heat radiation conduit 61 is fixed in outer container 12, also is difficult for occurring the protuberance (conduit trace) of outer container 12, thereby can damage the attractive in appearance of refrigerator 10 at the outer surface of casing 16.

And; In the refrigerator 10 of this embodiment; The bend 62c that will be the shape of turning back of giving prominence to towards the place ahead from the rear portion of roof 16c is provided in the width both ends of roof 16c; Therefore can be casing 16 in dispose on the thicker position of thermal wall till in refrigerator temperature than refrigerator in the high bend 62c of temperature, so the heat of bend 62c is difficult for leaking to the refrigerator inboard, thereby can improve the heat-proof quality of casing 16.

And; In the refrigerator 10 of this embodiment; Between bend 62c set on the width both ends of roof 16c, be equipped with vacuum heat insulation material 11; Therefore can be in roof 16c with the wide scope of storage space part in opposite directions in set vacuum heat insulation material 11, thereby can improve the heat-proof quality of casing 16.

And; In the refrigerator 10 of this embodiment; Side heat radiation conduit 62a set among the sidewall 16a of casing 16, the 16b is the rearward end at

sidewall

16a, 16b; Therefore the rectilinear form that extends along the vertical direction in the insulated space side of outer container 12 can set vacuum heat insulation material 15, thereby can improve the heat-proof quality of casing 16 in the wide scope of the sidewall 16a of

casing

16,16b.

Promptly; Shown in Figure 7 as with respect to the comparative example of this embodiment; If in the heat radiation conduit 62a of side, be provided with the return portion 65 outstanding, then must avoid return portion 65 and vacuum heat insulation material 15 is set in

sidewall

16a, 16b towards the place ahead from the rear portion of the sidewall 16a of casing 16.

But, in this embodiment, because side heat radiation conduit 62a shape (with reference to Fig. 6) linearly, therefore can in the wide scope of the sidewall 16a of

casing

16,16b, set vacuum heat insulation material 15.

If adopt the structure that in the heat radiation conduit 62a of side, is provided with return portion 65 shown in Figure 7, then must guarantee the bending radius of conduit, therefore must increase the size of the above-below direction of return portion 65 to a certain extent.

Though the distance A till being difficult for making from the upper end of vacuum heat insulation material 15 to limit, the upper end 61a that is provided in the heat radiation conduit 61 the sidewall 16a less than till from limit, upper end 61a to outer roof box 12b apart from B; But in this embodiment shown in Figure 6; The distance A of the upper end that can make the vacuum heat insulation material 15 from be provided in

sidewall

16a, 16b till limit, the upper end 61a that is provided in the heat radiation conduit 61 among the sidewall 16a less than till from limit, upper end 61a to outer roof box 12b apart from B, thereby can in wide scope, set vacuum heat insulation material 15.

And above-mentioned embodiment is merely illustration, is not intended to limit scope of invention.These embodiments can be implemented with other various forms, in the scope of the purport that does not break away from invention, can carry out various omissions, replacement, change.These embodiments are included in scope of invention or the purport, are included in equally in the invention of putting down in writing in claims and its impartial scope.

Claims

1. refrigerator, comprising: casing is equipped with heat-barrier material in the insulated space in being formed between case and the outer container; Freeze cycle; And heat radiation conduit, constituting the part of the high temperature side coolant conduits of said freeze cycle, and set via roof and a said sidewall another sidewall in opposite directions from a sidewall of said casing, this refrigerator is characterised in that,

Said heat radiation conduit possesses at the width both ends of said roof can be towards the bend of width distortion.

2. refrigerator according to claim 1 is characterized in that,

The part that is provided in the outside that is positioned at storage space in the said heat radiation conduit on the said sidewall is the rectilinear form that extends along the vertical direction, and said storage space is formed on the interior side of said interior case.

3. refrigerator according to claim 1 is characterized in that,

Said bend is the turn back shape side-prominent towards the place ahead from the rear portion of said roof.

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

In said roof, be equipped with vacuum heat insulation material being provided between the said bend at width both ends.