CN104344632B

CN104344632B - Refrigerating appliance

Info

Publication number: CN104344632B
Application number: CN201310315295.7A
Authority: CN
Inventors: 朱启武; 朱卫忠; 吴强; 张江文
Original assignee: BSH Electrical Appliances Jiangsu Co Ltd
Current assignee: BSH Electrical Appliances Jiangsu Co Ltd
Priority date: 2013-07-25
Filing date: 2013-07-25
Publication date: 2018-03-16
Anticipated expiration: 2033-07-25
Also published as: CN104344632A

Abstract

The present invention provides a kind of refrigerating appliance, including the first storeroom（22）With the second storeroom（21）, first storeroom（22）With second storeroom（21）Pass through adiabatic wall（23）Isolation, the adiabatic wall（23）Including positioned at first storeroom（22）The first wall（26）, positioned at second storeroom（21）The second wall（24）And positioned at first wall（26）With second wall（24）Between thermal insulation layer（25）, according to the suggestion of the present invention, in first wall（26）Towards the thermal insulation layer（25）Side set and first storeroom（22）The air ventilation passage that inside is connected（27）.

Description

Refrigerating appliance

【Technical field】

The present invention relates to household appliance technical field, and more particularly to a kind of refrigerating appliance, such as refrigerator.

【Background technology】

Side by side combination refrigerator includes point or so the refrigerating chamber and refrigerating chamber set, and evaporator is arranged at the machine of refrigerator bottom Room, refrigerating chamber and refrigerating chamber will be blown into and the cold air formed by evaporator surface by fan, due to the temperature in refrigerating chamber Degree is higher than the temperature of refrigerating chamber, therefore compared to the wall of refrigerating chamber, condensation or frosting are easier on the wall of refrigerating chamber.Consider Maximum storage space, in most of side by side combination refrigerator, the thickness for isolating the heat insulation layer of refrigerating chamber and refrigerating chamber is typically set Into 30mm or so, the thinning of heat insulation layer will necessarily cause insulation effect to be deteriorated, and exist on a small quantity between the left and right wall of heat insulation layer Heat exchange so that temperature is less than the temperature in refrigerating chamber on the wall of refrigerating chamber side, so as to easily in relatively warm wall, that is, refrigerate On the wall of room side, condensation or frosting are formed.User is obviously not intended to see the situation for having condensation or frosting on storage locular wall.

【The content of the invention】

In order to solve at least one problem in background technology, the present invention proposes that a kind of can reduce shows in front of the user Store the condensation on locular wall or the refrigerating appliance of frosting.

To achieve these goals, the present invention proposes a kind of refrigerating appliance, including the first storeroom and the second storeroom, institute State the first storeroom and second storeroom is isolated by adiabatic wall, the adiabatic wall is included positioned at first storeroom First wall, the second wall positioned at second storeroom and the thermal insulation layer between first wall and second wall, It is characterized in that：The gas being connected with first compartment interior is set in first wall to the side of the thermal insulation layer Body circulation passage.

Form air ventilation passage between the first wall and thermal insulation layer, the gas in the first storeroom can be in the gas stream Flowed in circulation passage, i.e., there is the gas flowing in the first storeroom the both sides of the first wall, so that the temperature of the first wall both sides Gap unobvious are spent, the temperature on the first wall is substantially equal with the temperature in the first storeroom, thus in the first storeroom The situation of condensation or frosting will not be produced on first wall, condensation or frosting can be formed in air ventilation passage close to heat-insulated The side of layer, will not be easily noticed by the users, and after refrigerating appliance can dissolve condensation or frost by temperature control afterwards, make it along logical Road flows down.

Optionally, the air ventilation passage vertically extends, air ventilation passage can also in the horizontal direction or Person's any direction extends, but on the one hand vertically extension is because the factor of cold air sedimentation, is easy to gas in gas stream Quickly circulated in circulation passage, be on the other hand easy for condensed water or defrosting water flows down along passage.

Optionally, the air ventilation passage is embedded in the pipeline of the first wall side by least one and formed in advance.

Optionally, foaming is participated in after the completion of the pipeline is buried to be fixed, the both ends of the pipeline and first storage Chamber interior connection is hidden, air ventilation passage is close to the back of the first wall, in order to keep the temperature difference of the first wall both sides little, Pipeline is parallel to each other, and the spacing between adjacent channel is equal, optimal set-up mode be it is seamless between more pipelines be arranged side by side, i.e., Spacing between adjacent channel is zero, then better.

Optionally, the air ventilation passage is vertically arranged in the pipeline of the first wall side by more and formed side by side.

Optionally, the air ventilation passage is network structure, and network structure can cause the first wall towards thermal insulation layer Side has more contact areas to cold air, and contact area distribution is also more uniform.

Optionally, the network structure vertically extends and intersected with horizontal direction and is connected, beneficial to along level side Pipeline outflow of the water through vertical direction into the pipeline of extension, without design drainage channel in addition.

Optionally, liquid discharge passage is provided with immediately below the air ventilation passage, accepts the gas circulation The liquid flowed down in passage, the liquid of undertaking, generally liquid is water, is finally induced to flow into connecing in machine chamber In water box.

Optionally, in the refrigerating appliance normal operation, the temperature in first storeroom is higher than the described second storage Hide indoor temperature.

Optionally, first storeroom is refrigerating chamber, and second storeroom is refrigerating chamber, and refrigerating chamber and refrigerating chamber lead to Heat insulation layer isolation is crossed, inevitably producing heat between the first wall in the second wall and refrigerating chamber in refrigerating chamber hands over Change, so as to easily cause temperature on the first wall to cause condensation or frosting less than the temperature in refrigerating chamber, in the first wall and heat-insulated Air ventilation passage is set then to improve such case between layer.

Optionally, the refrigerating appliance is side by side combination refrigerator.

The construction of the present invention and its other goals of the invention and beneficial effect will be in conjunction with the accompanying drawings to preferred real Apply the description of example and more obvious understandable.

【Brief description of the drawings】

The following drawings only does schematic illustration and explanation to the present invention, not delimit the scope of the invention, wherein：

Fig. 1 is the schematic diagram of side by side combination refrigerator in the prior art.

Fig. 2 is the schematic diagram of the side by side combination refrigerator in refrigerating appliance of the present invention.

Fig. 3 is the sectional view of the first embodiment along dotted line C in Fig. 2.

Fig. 4 is the schematic diagram of the wall of the first embodiment along arrow D directions in Fig. 2.

Fig. 5 is the sectional view of the second embodiment along dotted line C in Fig. 2.

Fig. 6 is the schematic diagram of the wall of the second embodiment along arrow D directions in Fig. 2.

【Embodiment】

To make the purpose of the present invention, scheme and beneficial effect of greater clarity, below in conjunction with the accompanying drawings and it is preferable to carry out The invention will be further described for example.

Present embodiment is by taking side by side combination refrigerator as an example.

Fig. 1 is the schematic diagram of side by side combination refrigerator in the prior art, and side by side combination refrigerator 10 includes left and right distribution in the prior art Refrigerating chamber 11 and refrigerating chamber 12, refrigerating chamber 11 and refrigerating chamber 12 isolated by an adiabatic wall 13, and adiabatic wall 13 is by positioned at refrigeration First wall 16 of room 12, the second wall 14 of refrigerating chamber 11 and the structure of thermal insulation layer 15 between the first wall 16 and the second wall 14 Into in actual product, in order to reduce influence of the thickness of thermal insulation layer 15 to dischargeable capacity in refrigerator, typically by thermal insulation layer 15 Thickness is arranged to 30mm or so, and this thickness can not prevent the heat exchange between the first wall 16 and the second wall 14 completely.Reach three Star freezing refrigerating chamber in temperature need subzero 18 degrees Celsius, refrigerating chamber is typically maintained in more than zero degree, refrigerating chamber and Temperature difference in refrigerating chamber is easier to more than 20 degrees Celsius, therefore existing heat exchange can make between the first wall 16 and the second wall 14 Temperature on the first wall 16 significantly lower than the temperature in refrigerating chamber 12, so as to the steam in refrigerating chamber 12 can be adsorbed onto temperature compared with The surface of the first low wall 16, condensation or frosting are easily formed, flowed out although water can be formed it into by heating, by wall The condensation or frost of upper formation show easily influences confidence of the user to product in front of the user.

Fig. 2 be refrigerating appliance of the present invention in side by side combination refrigerator schematic diagram, pair of the embodiment identical with prior art Enabling refrigerator 20 includes refrigerating chamber 21, refrigerating chamber 22 and the adiabatic wall 23 of isolation refrigerating chamber 21 and refrigerating chamber 22, and difference is, Adiabatic wall 23 except including the second wall 24 positioned at refrigerating chamber 21, the first wall 26 positioned at refrigerating chamber 22, positioned at the and of the first wall 26 Outside thermal insulation layer 25 between second wall 24, also include between the wall 26 of thermal insulation layer 25 and first and be connected in refrigerating chamber 22, supply The air ventilation passage 27 of gas circulation, as shown in Fig. 2 almost tight positioned at the side of the first wall 26 in air ventilation passage 27 The first wall 26 is suffered, air ventilation passage 27 is vertically to extend, and the gas in refrigerating chamber 22 is from the first wall 26 Entrance A close to refrigerating chamber 22 roof enters, the signified direction of arrow along Fig. 2, after gas coming through circulation passage 27, from positioned at The outlet B of the bottom wall of close refrigerating chamber 22 on first wall 26 flows out, gas flowing and refrigerating chamber 22 in air ventilation passage 27 The situation of interior gas flowing, such as speed, temperature are similar, and several positioned at the side of the first wall 26 in air ventilation passage 27 Adjacent first wall 26, therefore the temperature on the first wall 26 is kept substantially consistent with temperature in refrigerating chamber 22, steam will not be inhaled It is attached on the first wall 26.And the side of the close thermal insulation layer 25 in air ventilation passage 27, due to second with refrigerating chamber 21 There is heat exchange in wall 24, therefore temperature is significantly lower than the temperature of the gas in gas coming through circulation passage 27, so as to adsorb stream Through the moisture in gas in air ventilation passage 27, but due to flowing through the gas phase in the passage 27 for whole refrigerating chamber 22 Interior gas, shared volume is smaller, thus compared to the steam on absorption the first wall 26 in the prior art for, It is much less.

Therefore, air ventilation passage 27 is set between the first wall 26 and thermal insulation layer 25, can not only be avoided in the first wall Form condensation or frost on 26 and be immediately seen by user, and compared to the condensation formed in the prior art on the first wall 26 or Frost, the condensation or frost formed in air ventilation passage 27 want much less, that is, cause the condensation or frost formed in refrigerating chamber 22 Total amount be reduced.

The generation type of three kinds of air ventilation passages is set forth below.

The first way that air ventilation passage is formed, refer to Fig. 3 and Fig. 4, and Fig. 3 is along dotted line C the first reality in Fig. 2 The sectional view of example is applied, Fig. 4 is the schematic diagram of the wall of the first embodiment along arrow D directions in Fig. 2.The gas of the present embodiment Circulation passage 27 be by more it is vertical be placed on the side of the first wall 26 and pipeline 31 that both ends are connected with refrigerating chamber 22 provides, As shown in figure 3, each pipeline 31 is adjacent and be arranged in a row between each other, on each pipeline 31 at least 1: 29 and first wall 26 connect Touch.In manufacturing process, foamed after each pipeline 31 first is embedded in into the side of the first wall 26, expanding foam solution extrudes each pipeline 31 It is close on the first wall 26.Fig. 4 is the schematic diagram of the wall of the first wall 26, it can be seen that forms multiple circles on the wall of the first wall 26 The entrance A and outlet B of shape.The setting that the both ends of each pipeline 31 somewhat bend to adapt to entrance A and export B.In refrigerating chamber 22 Gas flows through out of air ventilation passage 27, and the temperature of side 28 in pipeline 31 close to thermal insulation layer 25 is relatively low, a small amount of condensation or Person's frost is formed in this side 28.The manufacture craft of which is compared to prior art, simply more works of pre-buried more pipelines 31 Sequence, on the whole for and it is uncomplicated, be easier to realize.

The second way that air ventilation passage 27 is formed, refer to Fig. 5 and Fig. 6, and Fig. 5 is along the second of dotted line C in Fig. 2 The sectional view of embodiment, Fig. 6 are the schematic diagram of the wall of the second embodiment along arrow D directions in Fig. 2.It is real compared to first Example is applied, the air ventilation passage 27 of the embodiment is formed by the rectangular duct 32 of a strip.And shown in figure 6 The wall of the first wall 26 on entrance A and outlet B be then a rectangular opening, the embodiment is implemented compared to first Example, advantage are in passage 27 that gas and the conductive contacts of the first wall 26 are more abundant, and temperature is really realized in the both sides of the first wall 26 It is identical, condensation or frosting are nearly free from the first wall 26, in addition, compared to first embodiment, its manufacture craft is more Simply, only a pre-buried pipeline 32 is needed to participate in foaming behind the side of the first wall 26.

In the first embodiment, each pipeline is vertically to extend, and in the third embodiment, is added along level side To the pipeline of extension, it is mutually communicated, that is, exists between horizontally extending pipeline and the pipeline vertically extended The water melted in horizontally extending pipeline can flow into the pipeline vertically extended, finally along close to refrigerating chamber bottom Liquid discharge passage be discharged.The manufacture craft is comparatively more complicated, but preferable compared to first embodiment, effect.

Claims

1. a kind of refrigerating appliance, including the first storeroom (22) and the second storeroom (21), first storeroom (22) and institute State the second storeroom (21) by adiabatic wall (23) to isolate, the adiabatic wall (23) is included positioned at first storeroom (22) First wall (26), the second wall (24) positioned at second storeroom (21) and positioned at first wall (26) and described second Thermal insulation layer (25) between wall (24), in the refrigerating appliance normal operation, the temperature in first storeroom (22) is high Temperature in second storeroom (21)；It is characterized in that：In first wall (26) towards the thermal insulation layer (25) Side is set and the internal air ventilation passage (27) being connected of first storeroom (22).

2. refrigerating appliance according to claim 1, it is characterised in that：The air ventilation passage (27) is vertically prolonged Stretch.

3. refrigerating appliance according to claim 1 or 2, it is characterised in that：The air ventilation passage (27) is by least one Root is embedded in pipeline (the 31,32) formation of the first wall (26) side in advance.

4. refrigerating appliance according to claim 3, it is characterised in that：The both ends and described first of the pipeline (31,32) Connected inside storeroom (22).

5. refrigerating appliance according to claim 3, it is characterised in that：The pipeline (31,32) participates in after the completion of being buried Foaming is fixed.

6. refrigerating appliance according to claim 3, it is characterised in that：The air ventilation passage (27) is erected side by side by more Directly it is arranged on pipeline (the 31,32) formation of the first wall (26) side.

7. refrigerating appliance according to claim 1, it is characterised in that：The pipeline for forming the air ventilation passage is netted Structure.

8. refrigerating appliance according to claim 7, it is characterised in that：The network structure is vertically and horizontal direction Extend and intersect and be connected.

9. the refrigerating appliance according to claim 2 or 7, it is characterised in that：The air ventilation passage (27) just under Side is provided with liquid discharge passage, accepts the liquid flowed down in the air ventilation passage (27).

10. refrigerating appliance according to claim 1, it is characterised in that：First storeroom (22) is refrigerating chamber, described Second storeroom (21) is refrigerating chamber.

11. refrigerating appliance according to claim 1, it is characterised in that：The refrigerating appliance is side by side combination refrigerator (20).