CN100464140C - Cold air pipes at side of refrigerator - Google Patents
Cold air pipes at side of refrigerator Download PDFInfo
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- CN100464140C CN100464140C CNB2004100201473A CN200410020147A CN100464140C CN 100464140 C CN100464140 C CN 100464140C CN B2004100201473 A CNB2004100201473 A CN B2004100201473A CN 200410020147 A CN200410020147 A CN 200410020147A CN 100464140 C CN100464140 C CN 100464140C
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Abstract
The present invention relates to a refrigerator side portion cold air pipeline, it can discharge cold air toward left direction and right direction of refrigerator. In the refrigerator interior a freezing chamber and a cold storage chamber are formed by means of partition board formed according to up-down direction. The described refrigerator side portion cold air pipeline is embedded in the interior of said partition board, and is formed by using two components which are different in heat conductivity according to the tubular body form, and a cold air pathway is formed in the interior of said refrigerator side portion cold air pipeline, and the component whose heat conductivity is relative higher is positioned at one side closed to freezing chamber.
Description
Technical field
The present invention relates to a kind of refrigerator sidepiece cold duct (SIDE COOLING AIR DUCT FORREFRIGERATOR); In more detail, sidepiece cold duct of the present invention can reduce the cold air temperature loss along its internal flow.
Background technology
Fig. 1 is the internal structure schematic diagram of conventional refrigerator.Fig. 2 is the refrigerator flat sectional drawing of Fig. 1.Fig. 3 is the refrigerator sectional side view of Fig. 1.Fig. 4 is the sidepiece cold duct schematic diagram of Fig. 3.Fig. 5 is the sidepiece cold duct profile of Fig. 4.As shown in the figure, refrigerator has refrigerator main body 11, refrigerating chamber door 23 and refrigerating-chamber door 33.In the refrigerator main body 11, be provided with dividing plate 13, be formed with refrigerating chamber 21 and refrigerating chamber 31 respectively in its left and right sides across dividing plate 13 by above-below direction.Refrigerating chamber door 23 and refrigerating-chamber door 33 are hinged on refrigerator main body 11 separately, are respectively applied for the front openings that opens and closes refrigerating chamber 21 and refrigerating chamber 31.
The rear of refrigerating chamber 21 is formed with peripheral passage 24, can allow air circulation.Be provided with evaporimeter 25 in the peripheral passage 24.When flowing through evaporimeter 25, air produces heat exchange.
On the top of dividing plate 13, run through forming cold air inflow path 15.Cold air can flow into path 15 by cold air and flow to refrigerating chamber 31 inside.The bottom of dividing plate 13 is formed with suction inlet 16.The air of refrigerating chamber 31 can flow to peripheral passage 24 by suction inlet 16.
Refrigerating chamber 31 inner and upper rear spaces are provided with the top cold duct 41 of lineal hexahedral shape.One side of top cold duct 41 is formed with cold airflow hand-hole 42, flows into path 15 with cold air and is interconnected.In dividing plate 13, with the corresponding position of refrigerating chamber 31 openings, in establish sidepiece cold duct 51.Sidepiece cold duct 51 inside are formed with cold air path 52, and form several cold gas exhausting outlets (56a～56c), can discharge cold air by the left and right directions of refrigerating chamber 31 by above-below direction respectively across certain distance.
Cold airflow hand-hole 42 positions of top cold duct 41 are formed with damping piece 43.Damping piece 43 can stop that cold air flows into path 15 by cold air and flows into.The front of top cold duct 41 and bottom are formed with cold gas exhausting outlet 44 respectively, can forwards discharge cold air with the below.
Bottom one side of top cold duct 41 is formed with outflow pathway 45, can allow cold air flow out to sidepiece cold duct 51.The inflow side of the end of outflow pathway 45 and sidepiece cold duct 51 is interconnected.
In addition, on refrigerating chamber door 23 and the refrigerating-chamber door 33, be provided with several storage baskets 27,37 by above-below direction across certain intervals respectively.Each storage basket 27,37 is used to store reserve.The top of refrigerating-chamber door 33 is provided with storage element 35, can not open under the situation of refrigerating-chamber door 33 the storage thing of access inside.
When damping piece 43 rotates, when open cold air flowed into path 15, the cold air of refrigerating chamber 21 flowed into path 15 by cold air and flows into, and flow in the cold air of top cold duct 41 inside, a part is by the cold gas exhausting outlet 44 of positive and bottom, and row is to the place ahead and the below of refrigerating chamber 31.And the another part in the above-mentioned cold air flows along outflow pathway 45, flows to sidepiece cold duct 51.The cold air that flows to sidepiece cold duct 51 flows along cold air path 52, by each cold gas exhausting outlet (56a～56c), press left and right directions row to refrigerating chamber 31 front space.
But there are the following problems for traditional refrigerator.The cooling of refrigerating chamber 31, the main top cold duct 41 that is arranged on top, refrigerating chamber 31 rear that relies on forwards carries out with the cold air that discharge the below.Therefore, above-mentioned cold air be difficult to arrive from above-mentioned top cold duct 41 position, refrigerating chamber 31 the place ahead far away relatively.And the position that the position, the place ahead of refrigerating chamber 31 contacts with air when opening refrigerating-chamber door 33, its temperature is easy to rising.Therefore, the cooling degree at position, refrigerating chamber 31 the place ahead is poor.
In addition, the length on above-mentioned refrigerating chamber 31 above-below directions is long, and top cold duct 41 is arranged on top, rear, forwards discharges cold air with the below.Therefore, the upper space temperature of refrigerating chamber is low relatively, and the lower space temperature is high relatively, causes existing between the space up and down bigger temperature deviation.Though, be provided with sidepiece cold duct 51 in order to address the above problem, discharge cold air to the place ahead of refrigerating chamber 31, because of sidepiece cold duct 51 has long cold air path 52, there is bigger flow resistance.Therefore exist the cold airflow momentum little, the heat loss during cold air flow is big, problem such as can not cool off fully.
Summary of the invention
Purpose of the present invention reduces the cold air temperature loss along its internal flow for a kind of refrigerator sidepiece cold duct is provided.
In order to achieve the above object, refrigerator sidepiece cold duct of the present invention, as refrigerator sidepiece cold duct from cold air to the left and right directions of refrigerator that can discharge, wherein refrigerator is the refrigerator that is formed with refrigerating chamber and refrigerating chamber across the dividing plate that forms by above-below direction, it is characterized in that: refrigerator sidepiece refrigerator pipe is embedded in aforementioned barriers inside, and by pyroconductivity mutually different the 1st parts and the 2nd parts form with the tubular body shape, its inside is formed with the cold air path of the cold air that is used to circulate, and the relative big parts with pyroconductivity in the 2nd parts of the 1st parts are positioned at refrigerating chamber one side; Above-mentioned the 1st parts and above-mentioned the 2nd parts comprise angled section portion and perpendicular segment portion, and forwards the position is downward-sloping from the position, rear, top of aforementioned barriers in angled section portion, and perpendicular segment portion extends downwards from above-mentioned angled section portion, by vertical out-fall.
Aforesaid refrigerator sidepiece cold duct, the wherein mode combination that is in contact with one another with thickness direction of the 1st parts and the 2nd parts; In the angled section portion and perpendicular segment portion of the 1st parts and the 2nd parts, form respectively and press the joint portion that a thickness direction cutting part is pressed the length direction extension, the joint portion is formed on the contact-making surface between the 1st parts and the 2nd parts, and has the step section shape; The end of each angled section portion in conjunction with the bonded block with hook-like shape, can prevent that the 1st parts and the 2nd parts are separated from each other; The end of above-mentioned the 1st parts and the 2nd parts is formed with the insertion section respectively, and the insertion section has tabular surface separately, can allow bonded block be inserted in the above-mentioned end.
Aforesaid refrigerator sidepiece cold duct wherein in the 1st parts and the 2nd parts, on the surface of the 1st parts, is pressed the thickness direction of dividing plate, presses several heat transfer parts that length direction extends to outstanding formation of refrigerating chamber.
The present invention is embedded in aforementioned barriers inside to refrigerator sidepiece cold duct, and with pyroconductivity mutually different the 1st parts and the 2nd parts form the sidepiece cold duct with the tubular body shape, and the cold air path of the cold air that is formed in sidepiece cold duct inside circulating, allow the big relatively parts of pyroconductivity be positioned at refrigerating chamber one side.Thereby can allow the cold air by the internal flow of sidepiece cold duct keep low-temperature condition, can reduce the temperature deviation between the refrigerating chamber upper and lower.
Description of drawings
Fig. 1 is the internal structure schematic diagram of conventional refrigerator.
Fig. 2 is the refrigerator flat sectional drawing of Fig. 1.
Fig. 3 is the refrigerator sectional side view of Fig. 1.
Fig. 4 is the sidepiece cold duct schematic diagram of Fig. 3.
Fig. 5 is the sidepiece cold duct profile of Fig. 4.
Fig. 6 is the refrigerator sidepiece cold duct user mode flat sectional drawing of one embodiment of the invention.
Fig. 7 is the sidepiece cold duct schematic diagram of Fig. 6.
Fig. 8 is the sidepiece cold duct decomposing schematic representation of Fig. 7.
Fig. 9 is the A-A line profile of Fig. 7.
Figure 10 is the refrigerator sidepiece cold duct user mode schematic diagram of another embodiment of the present invention.
Figure 11 is the sidepiece cold duct profile of Figure 10.
The critical piece description of reference numerals
73a, 83a: the 73b of angled section portion, 83b: perpendicular segment portion
74,84: joint portion 75,85: insertion section
86a～86c: cold gas exhausting outlet 89: bonded block
The specific embodiment
Below, with reference to accompanying drawing, embodiments of the invention are elaborated.
Fig. 6 is the refrigerator sidepiece cold duct user mode flat sectional drawing of one embodiment of the invention.Fig. 7 is the sidepiece cold duct schematic diagram of Fig. 6.Fig. 8 is the sidepiece cold duct decomposing schematic representation of Fig. 7.Fig. 9 is the A-A line profile of Fig. 7.For the convenience on illustrating, do not have diagram parts identical or corresponding parts, and quote the symbolic representation identical with conventional art with traditional structure.As shown in the figure, refrigerator has refrigerator main body 11, refrigerating chamber door 23 and refrigerating-chamber door 33.In the refrigerator main body 11, be provided with dividing plate 13, be formed with refrigerating chamber 21 and refrigerating chamber 31 across dividing plate 13 by above-below direction.Refrigerating chamber door 23 and refrigerating-chamber door 33 are combined in refrigerator main body 11, can open and close refrigerating chamber 21 and refrigerating chamber 31 by rotation.
The rear of refrigerating chamber 21 is formed with peripheral passage 24, can allow air circulation.Be provided with evaporimeter 25 in the peripheral passage 24.When flowing through evaporimeter 25, air produces heat exchange.
On the top of dividing plate 13, run through forming cold air inflow path 15.The cold air that is cooled when flowing through evaporimeter 25 can flow into path 15 by cold air and flow into.The top, rear of refrigerating chamber 31 is provided with top cold duct 41.Top cold duct 41 has cold airflow hand-hole 42, damping piece 43, several cold gas exhausting outlets 44.Cold airflow hand-hole 42 flows into path 15 with cold air and is communicated with.Damping piece 43 is used to open and close cold airflow hand-hole 42.Several cold gas exhausting outlets 44 can forwards be discharged cold air with the below.Be embedded with the sidepiece cold duct 70 of one embodiment of the invention in the inside of dividing plate 13.
Refrigerator sidepiece cold duct 70 of the present invention comprises pyroconductivity different the 1st parts 71 and the 2nd parts 81 mutually.The 1st parts 71 have the shape of separating by thickness direction with the 2nd parts 81, after they are combined into one, form cold air path 72 in inside.The 1st parts 71 are emitted on refrigerating chamber 21 sides, and the plastic material high by pyroconductivity forms.Here, the 1st parts also can be with the good metal material manufacturing of heat conductivity.
Thickness direction with dividing plate 13 is as the criterion, and the 2nd parts 81 are emitted on refrigerating chamber 31 sides of the 1st parts 71, form cold air path 72 with the 1st parts 71.By methods such as injection mouldings, make the 2nd parts 81 with the low common plastics of pyroconductivity.
One side of the 1st parts 71 and the 2nd parts 81 is connected with top cold duct 41, and opposite side extends to position, refrigerating chamber 31 the place ahead.The 1st parts 71 and the 2nd parts 81 have the downward-sloping 73a of angled section portion separately, 83a and from the 73a of angled section portion, and 83a extends downwards, and vertical out-fall is at the 73b of perpendicular segment portion at position, refrigerating chamber 31 the place ahead, 83b.Form cold air path 72 for after allowing the 1st parts 71 and the 2nd parts 81 mutually combine, at the 73a of angled section portion of the 1st parts 71 and the 2nd parts 81,83a and the 73b of perpendicular segment portion are on the 83b, form respectively and press the joint portion 74,84 that a thickness direction cutting part is pressed the length direction extension.Joint portion 74,84 is formed on the contact-making surface between the 1st parts 71 and the 2nd parts 81, and has the step section shape.Each 73a of angled section portion, the end of 83a in conjunction with the bonded block 89 with hook-like shape, can prevent that the 1st parts 71 and the 2nd parts are separated from each other.The end of above-mentioned the 1st parts 71 and the 2nd parts 81 is formed with insertion section 75,85 respectively. Insertion section 75,85 has tabular surface separately, can allow bonded block 89 be inserted in the above-mentioned end.The 83b of perpendicular segment portion of the 2nd parts 81 is formed with several cold gas exhausting outlet (86a～86c), can discharge cold air that extends by the thickness direction of dividing plate 13.
Above-mentioned damping piece 43 when opening cold airflow hand-hole 42, flows into cold air that path 15 flow along cold air by rotation, flows to top cold duct 41 inside.In the cold air of above-mentioned inflow, a part is forwards discharged with the below respectively by cold gas exhausting outlet 44.
Another part flows along outflow pathway 45 in the above-mentioned cold air, flows to sidepiece cold duct 70 inside, and flows along the cold air path 72 of sidepiece cold duct 70, and (86a～86c), row is to the position, the place ahead of refrigerating chamber 31 by each cold gas exhausting outlet.
In addition, be arranged on the 1st parts 71 of refrigerating chamber 21 side dividing plates 13 inside,, keep the state that is cooled by carrying out heat exchange with refrigerating chamber 21.Therefore can reduce the heat loss of the cold air that the top cold duct 41 of flowing through flows, (the low relatively cold air of discharge temperature of 86a～86c) can reduce the temperature difference between refrigerating chamber 31 upper and lowers thereby can pass through each cold gas exhausting outlet.
Figure 10 is the refrigerator sidepiece cold duct user mode schematic diagram of another embodiment of the present invention.Figure 11 is the sidepiece cold duct profile of Figure 10.As shown in the figure, in the present embodiment, the sidepiece cold duct 70 of refrigerator comprises pyroconductivity different the 1st parts 71 and the 2nd parts 81 mutually.The 1st parts 71 have the shape of separating by thickness direction with the 2nd parts 81, after they are combined into one, form cold air path 72 in inside.
Thickness direction with dividing plate 13 is as the criterion, and the 2nd parts 81 are emitted on refrigerating chamber 31 sides.Here by methods such as injection mouldings, make the 2nd parts 81 with the low common plastics of pyroconductivity.
The 1st parts 71 are emitted on refrigerating chamber 21 sides, and the plastic material high by pyroconductivity forms.Here, the 1st parts also can be with the good metal material manufacturing of heat conductivity.Also can form the whole or a part of of angled section 73a of portion and the 73b of perpendicular segment portion with the good material of heat conductivity.
In addition,, press the thickness direction of dividing plate 13, press several heat transfer parts 91 that length direction extends to refrigerating chamber 21 outstanding formation on the surface of the 1st parts 71.Here heat transfer part 91 can have the strip shape.
The 1st parts 71 can keep lower temperature passing dividing plate 13 under the effect of several outstanding heat transfer parts 91 of cryogenic freezing chamber 21, can allow its inner cold air keep low-temperature condition.Therefore, (86a～86c) the front space of the low relatively cold air row of said temperature to refrigerating chamber 31, can reduce the temperature deviation between refrigerating chamber 31 upper and lowers can to pass through each cold gas exhausting outlet.
Claims (3)
1. refrigerator sidepiece cold duct, as refrigerator sidepiece cold duct from cold air to the left and right directions of refrigerator that can discharge, wherein refrigerator is the refrigerator that is formed with refrigerating chamber and refrigerating chamber across the dividing plate that forms by above-below direction, it is characterized in that:
Refrigerator sidepiece refrigerator pipe is embedded in aforementioned barriers inside, and by pyroconductivity mutually different the 1st parts and the 2nd parts form with the tubular body shape, its inside is formed with the cold air path of the cold air that is used to circulate, and the relative big parts with pyroconductivity in the 2nd parts of the 1st parts are positioned at refrigerating chamber one side;
Above-mentioned the 1st parts and above-mentioned the 2nd parts comprise angled section portion and perpendicular segment portion, and forwards the position is downward-sloping from the position, rear, top of aforementioned barriers in angled section portion, and perpendicular segment portion extends downwards from above-mentioned angled section portion, by vertical out-fall.
2. refrigerator sidepiece cold duct according to claim 1 is characterized in that:
The mode combination that above-mentioned the 1st parts and the 2nd parts are in contact with one another with thickness direction;
In the angled section portion and perpendicular segment portion of the 1st parts and the 2nd parts, form respectively and press the joint portion that a thickness direction cutting part is pressed the length direction extension, the joint portion is formed on the contact-making surface between the 1st parts and the 2nd parts, and has the step section shape; The end of each angled section portion in conjunction with the bonded block with hook-like shape, can prevent that the 1st parts and the 2nd parts are separated from each other; The end of above-mentioned the 1st parts and the 2nd parts is formed with the insertion section respectively, and the insertion section has tabular surface separately, can allow bonded block be inserted in the above-mentioned end.
3. refrigerator sidepiece cold duct according to claim 2 is characterized in that:
In above-mentioned the 1st parts and the 2nd parts,, press the thickness direction of dividing plate, press several heat transfer parts that length direction extends to outstanding formation of refrigerating chamber on the surface of the 1st parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100201473A CN100464140C (en) | 2004-07-26 | 2004-07-26 | Cold air pipes at side of refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100201473A CN100464140C (en) | 2004-07-26 | 2004-07-26 | Cold air pipes at side of refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1727819A CN1727819A (en) | 2006-02-01 |
| CN100464140C true CN100464140C (en) | 2009-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100201473A Active CN100464140C (en) | 2004-07-26 | 2004-07-26 | Cold air pipes at side of refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100464140C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003207245A (en) * | 2002-01-17 | 2003-07-25 | Lg Electronics Inc | Cold air control device and method of refrigerator |
| US6637225B1 (en) * | 2002-07-26 | 2003-10-28 | Lg Electronics Inc. | Concentrated cooling apparatus and refrigerator having the same |
| US6647734B2 (en) * | 2001-05-16 | 2003-11-18 | Lg Electronics Inc. | Air circulation system of refrigerator |
-
2004
- 2004-07-26 CN CNB2004100201473A patent/CN100464140C/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6647734B2 (en) * | 2001-05-16 | 2003-11-18 | Lg Electronics Inc. | Air circulation system of refrigerator |
| JP2003207245A (en) * | 2002-01-17 | 2003-07-25 | Lg Electronics Inc | Cold air control device and method of refrigerator |
| CN1432779A (en) * | 2002-01-17 | 2003-07-30 | Lg电子株式会社 | Cold air controlling device and method for refrigerator |
| US6637225B1 (en) * | 2002-07-26 | 2003-10-28 | Lg Electronics Inc. | Concentrated cooling apparatus and refrigerator having the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1727819A (en) | 2006-02-01 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TAIZHOU LG ELECTRONICS FREEZER CO., LTD. Free format text: FORMER OWNER: LG ELECTRONICS ( TIANJIN ) ELECTRICAL APPLIANCES CO., LTD. Effective date: 20091225 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20091225 Address after: Yingbin Road, Taizhou Economic Development Zone, No. 2 Patentee after: Taizhou LG Electronics Refrigerator Co., Ltd. Address before: Beichen District, Tianjin Xing Lake Road Patentee before: LG Electronic (Tianjin) Electrical Appliance Co., Ltd. |