CN107642939B - Refrigerator freezing air duct assembly and refrigerator - Google Patents
Refrigerator freezing air duct assembly and refrigerator Download PDFInfo
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- CN107642939B CN107642939B CN201711058391.2A CN201711058391A CN107642939B CN 107642939 B CN107642939 B CN 107642939B CN 201711058391 A CN201711058391 A CN 201711058391A CN 107642939 B CN107642939 B CN 107642939B
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Abstract
The invention belongs to the technical field of refrigerators and discloses a refrigerator freezing air duct assembly and a refrigerator, wherein the refrigerator freezing air duct assembly comprises an air duct front plate, wherein a fan and an air outlet are arranged on the air duct front plate; an air duct rear plate including a fan port, the air duct rear plate and the air duct front plate being disposed opposite to each other and fixed to each other such that the fan is aligned with the fan port; and the air guide boss is positioned between the fan and the air outlet and used for shunting and guiding the cold air blown out by the fan to the air outlet. The air guide boss is arranged, so that cold air can be effectively distributed, air outlet is smooth and uniform, and the refrigerating performance of the refrigerator is improved; by arranging the drainage channel, condensed water can be discharged in time, so that the condensed water is prevented from being frozen at low temperature in the air cavity, an air channel is prevented from being blocked, and the refrigeration effect is ensured; the opening of the air door is manually adjusted by arranging the air quantity adjusting assembly, so that the purpose of controlling the size of the cold air quantity is achieved, the structure is simple, and the cost is reduced.
Description
Technical Field
The invention relates to the technical field of refrigerators, in particular to a refrigerator freezing air duct assembly and a refrigerator.
Background
A refrigerator is a type of refrigerating apparatus that maintains a constant low temperature, and is now widely used for refrigerating foods or other items. Refrigerators are generally classified into direct-cooling type refrigerators and air-cooling type refrigerators according to differences in refrigeration principles. The refrigerating system of the direct-cooling refrigerator controls the flow direction of the refrigerant by a common electromagnetic valve, and respectively supplies the refrigerant to the evaporator of each refrigerating (freezing) chamber to cool each space to the required temperature; in the cold storage and freezing of the air-cooled refrigerator, air convection in the refrigerator is forced by a fan, and refrigeration is realized by arranging corresponding air channels to supply air to all spaces.
In the refrigerating system of the existing air-cooled refrigerator, an air duct assembly is mostly adopted for cold air circulation, so that the refrigerating effect is realized. However, due to the unreasonable design of the air duct, the phenomena of unsmooth air outlet and frost condensation and icing can often occur, so that the air duct is blocked, and the refrigeration efficiency is reduced; the control of the air quantity of the existing freezing air duct is controlled by an electric air door, parts such as a main control board, a temperature sensor and the like need to be matched, the opening and closing angle of the electric air door is controlled by a program, and the whole structure is complex, high in price and difficult to maintain.
Therefore, a refrigerator freezing air duct assembly on a refrigerator is needed to solve the above problems to improve the refrigeration efficiency of the refrigerator.
Disclosure of Invention
The invention aims to provide a refrigerator freezing air duct assembly and a refrigerator, and aims to solve the problems of frost condensation and icing caused by unsmooth cold air circulation and incapability of timely discharging condensed water and higher cost of controlling ventilation volume by adopting an electric control air door.
In order to achieve the purpose, the invention adopts the following technical scheme:
a refrigerator freezer air duct assembly comprising:
the air duct front plate is provided with a fan and an air outlet;
an air duct rear plate including a fan port, the air duct rear plate and the air duct front plate being disposed opposite to each other and fixed to each other such that the fan is aligned with the fan port;
and the air guide boss is positioned between the fan and the air outlet and used for shunting and guiding the cold air blown out by the fan to the air outlet.
Preferably, a heat insulation plate is arranged between the air duct front plate and the air duct rear plate, the heat insulation plate is fastened and fixed with the air duct front plate, the air duct rear plate is embedded into the heat insulation plate rear plate, a containing cavity for containing the fan is formed in the heat insulation plate, and an air cavity is formed between the air duct rear plate and the heat insulation plate.
Preferably, the air guide boss is arranged on the heat insulation plate and is positioned under the fan.
Preferably, the air outlet is located at the bottom of the air duct front plate and is located right below the air guide boss.
Preferably, the upper surface of the air guide boss comprises two symmetrically arranged arc-shaped convex plates, and the butt joint of the two arc-shaped convex plates is positioned under the fan.
Preferably, the heat insulation board is provided with water drainage grooves on two sides below the air guide boss respectively, and the water drainage grooves extend downwards to the bottom of the heat insulation board.
Preferably, the air quantity adjusting device further comprises an air quantity adjusting component, wherein the air quantity adjusting component is located under the air guide boss and comprises an air door piece and a knob, the air door piece is rotatably installed between the air channel front plate and the air channel rear plate, the knob is rotatably arranged on the other side of the air channel front plate, and the knob is connected with the air door piece in a clamped mode and drives the air door piece to rotate and is used for adjusting the air quantity of the air outlet from the air cavity.
Preferably, an air port plate is fixedly arranged on the air duct front plate, the air port plate covers the upper surface of the air door piece, a strip-shaped air passing hole is formed in the upper surface of the air port plate, and the strip-shaped air passing hole corresponds to the air outlet.
Preferably, a vortex air guide groove is dug on the air duct rear plate around the fan port, and a water outlet is formed in the bottom of the vortex air guide groove.
A refrigerator comprises the refrigerator freezing air channel assembly, and a refrigerator liner is arranged below the refrigerator freezing air channel assembly.
Compared with the prior art, the invention has the advantages and beneficial effects that:
1) the air guide boss is arranged under the fan, so that cold air can be effectively shunted, the air outlet is smooth and uniform, the air outlet rate is improved, the cold air loss is prevented, and the refrigerating performance of the refrigerator is improved;
2) by arranging the drainage channel, condensed water in the air cavity can be drained in time, so that the condensed water is prevented from being frozen at low temperature in the air cavity, blocking the air channel and ensuring the refrigeration effect, and the refrigerator is ensured to run reliably and stably;
3) the opening of the air door is manually adjusted by arranging the air volume adjusting assembly, so that the aim of controlling the air volume of cold air is fulfilled, and compared with the existing electric control air door, the electric control air door has the advantages of simple structure, easiness in operation, easiness in maintenance and low cost;
4) the arrangement of the heat preservation plate can effectively reduce frosting on the front plate of the air duct, and meanwhile, the size of the rear plate of the air duct is reduced, and the cost is reduced.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a front view of a portion of the present invention;
FIG. 4 is an isometric view of a portion of the structure of the present invention;
FIG. 5 is a second front view of a portion of the present invention;
FIG. 6 is an exploded view of FIG. 5 of the present invention;
FIG. 7 is an enlarged partial view at A of FIG. 5 of the present invention;
FIG. 8 is a schematic structural view of the duct back plate of the present invention.
In the figure:
1-air duct front plate; 2-air duct back plate; 3, a fan; 4-heat insulation board; 5-air door parts; 6-knob; 7-air port plate; 8-sealing sponge; 9-flame-retardant foam board;
11-an air outlet; 12-a positioning column; 121-poking the boss;
21-fan port; 22-a vortex air guide groove; 23-a water outlet;
41-air guide bosses; 42-a drainage channel; 411-arc convex plate;
51-arc baffle plate; 52-annular through hole;
71-strip-shaped air passing holes.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
As shown in fig. 1-8, the embodiment discloses a refrigerator freezing air duct assembly, which comprises an air duct front plate 1, an air duct rear plate 2 and a heat insulation plate 4, wherein one side surface of the heat insulation plate 4 is fixedly buckled with the air duct front plate 1, the other side surface of the heat insulation plate 4 is provided with a groove, and the outline shape of the groove is matched with the air duct rear plate 2 and is used for being embedded into the air duct rear plate 2. The air duct rear plate 2 is embedded into the heat insulation plate 4 and is fixed with the air duct front plate 1 through threaded connection, and the outer surface of the air duct rear plate 2 is flush with the outer surface of the heat insulation plate 4, so that the structure can reduce the overall size of the refrigerator freezing air duct assembly on one hand, the structure is more compact, the refrigerator freezing air duct assembly is convenient to connect and assemble with other devices, and meanwhile, the refrigerator freezing air duct assembly is more attractive; on the other hand, the arrangement of the heat insulation plate 4 can effectively reduce frosting on the air duct front plate 1, reduce the size of the air duct rear plate 2 and reduce cost. Preferably, the heat insulation board 4 in the embodiment is made of foam, and the foam heat insulation board is mature in application, easy to obtain materials and low in price.
As shown in fig. 1-2, a fan 3 is disposed on the air duct front plate 1, and the fan 3 is fixed on the upper portion of the air duct front plate 1. The position of the air duct back plate 2 corresponding to the fan 3 is provided with a fan opening 21, the size of the fan opening 21 is matched with that of the fan 3, and the fan opening 21 is a cold air suction inlet. Specifically, the upper portion of the heat insulation board 4 is provided with a containing cavity for containing the fan 3, and the fan 3 is fixedly connected with a fixed point arranged on the air duct front board 1 through a fixing piece. Preferably, three fixing points are arranged on the air duct front plate 1, and the fan 3 is fixed on the air duct front plate 1 through three fixing pieces. Wherein, three fixed point circumference equipartitions are in the fan 3 outside, distribute like this and can ensure that fan 3 installs the back comparatively stable, and not eccentric not rock, and then reduce the noise when fan 3 operates. Above-mentioned structure makes to form the wind chamber between wind channel backplate 2 and the heated board 4, is provided with wind-guiding boss 41 on the heated board 4, and the upper surface of wind-guiding boss 41 includes the arc flange 411 of two symmetries settings. As shown in fig. 3-4, the butt joint of the two arc-shaped protruding plates 411 is located right below the fan 3, the bottom of the air duct front plate 1 is provided with an air outlet 11, the air outlet 11 is located right below the air guide boss 41 and is right opposite to the fan 3, and the air outlet 11 is further provided with a sealing sponge 8 to prevent air leakage. The cold air sucked by the fan 3 flows in the air cavity, and is divided and guided to the air outlet 11 after passing through the air guide boss 41. Preferably, the air guide boss 41 and the heat insulation board 4 in the embodiment are integrally formed, so that the manufacturing process is simple, and the cost is reduced.
As shown in fig. 3 to 4, the insulation board 4 is provided with drainage grooves 42 on both sides below the air guide bosses 41, and the drainage grooves 42 extend downward to the bottom of the insulation board 4. The structure is convenient for the condensate water in the air duct to be smoothly and timely discharged, the freezing in the air duct is avoided, the refrigeration effect is ensured, and the reliable and stable operation of the refrigerator is ensured.
This freezing wind channel subassembly of refrigerator still includes air regulation subassembly, air regulation subassembly includes air door spare 5 and knob 6, the through-hole has been seted up to heated board 4 under above-mentioned wind-guiding boss 41, this through-hole is used for the above-mentioned air door spare 5 of holding, air door spare 5 rotates and installs between wind channel front bezel 1 and wind channel back plate 2, it is located wind-guiding boss 41 under, directly over air outlet 11, knob 6 rotates and sets up in the opposite side of wind channel front bezel 1, knob 6 and 5 joints of air door spare can drive air door spare 5 rotatory, be used for adjusting the amount of wind. Specifically, the damper member 5 includes a first sector plate and a second sector plate which are coaxial, the first sector plate is located above the second sector plate and is integrally formed with the second sector plate, wherein the radius and the central angle of the first sector plate are both larger than those of the second sector plate. An arc-shaped baffle piece 51 is spliced at the side edge of the first fan-shaped plate, and the arc length of the arc-shaped baffle piece 51 is designed according to the actual air output. The arcuate flap 51 in this embodiment has an arc length that is one-half of the arc length of the first sector plate. The knob 6 is connected to the axis of the damper 5. During the in-service use, manual rotation knob 6, 6 rotations of knob drive air door spare 5 are rotatory, and 5 rotatory in-process arc separation blade 51 of air door spare are located the area under the wind-guiding boss 41 and constantly change, lead to the area of projection of arc separation blade 51 on air outlet 11 constantly to change thereupon to lead to the change of air output: when the arc-shaped blocking pieces 51 are all positioned under the air guide boss 41, that is, the projection area of the arc-shaped blocking pieces 51 on the air outlet 11 is the largest, the air outlet volume is almost zero; when the arc-shaped blocking piece 51 is not positioned under the air guide boss 41, namely the projection area of the arc-shaped blocking piece 51 on the air outlet 11 is zero, the air outlet volume is maximum; when the arc-shaped baffle 51 is partially positioned under the air guide boss 41, that is, the projected area of the arc-shaped baffle 51 covers a part of the air outlet 11, the air output is between the minimum and the maximum. That is to say, through setting up this air regulation subassembly, realized the purpose of manual regulation and control air output, simple structure, the operation is simple and easy.
Furthermore, the air duct front plate 1 is further fixedly provided with an air port plate 7, the air port plate 7 is an arc-shaped plate covering the upper surface of the air door piece 5, the curvature of the arc-shaped plate is the same as that of the first fan-shaped plate, but the arc length of the arc-shaped plate is slightly longer than that of the first fan-shaped plate. The air port plate 7 is located in the through hole formed in the heat insulation plate 4 and is just tightly matched with the through hole, and the first fan-shaped plate can be guaranteed to rotate smoothly and not interfere with each other in the air port plate 7 by arranging the air port plate 7, and meanwhile, the air port plate, the heat insulation plate 4 and the air door piece 5 are assembled more tightly. Preferably, the upper surface of the air inlet plate 7 is provided with a strip-shaped air passing hole 71, the strip-shaped air passing hole 71 corresponds to the air outlet 11, and the width of the strip-shaped air passing hole 71 is smaller than or equal to the width of the arc-shaped baffle 51. So set up, rotate the in-process at arc separation blade 51, alright realize that this bar crosses wind hole 71's full shelters from to partly sheltering from to zero sheltering from again to the control of the volume of crossing wind is realized.
Preferably, as shown in fig. 5-7, a positioning column 12 is disposed on the air duct front plate 1 directly above the axis of the air door 5, and correspondingly, a section of annular through hole 52 is opened directly above the axis of the air door 5, and the positioning column 12 passes through the annular through hole 52. Set up on this reference column 12 and stir boss 121, should stir boss 121 and annular through-hole 52's upside inner wall cooperation when air door spare 5 rotates and slide, and this fitting surface is the wave face that the rule set up, so sets up, stirs boss 121 and wave face formation face and interferes, when rotatory knob 6 is dialled air door spare 5, can form the pause and pause of gear and frustrate and feel, improve user experience.
In the present embodiment, referring to fig. 8, a vortex wind-guiding groove 22 is dug around the fan opening 21 on the air duct back plate 2 to increase the wind pressure; the bottom of the vortex air guiding groove 22 is provided with a water outlet 23. Preferably, the outer side of the air duct rear plate 2 is coated with a flame-proof foam plate 9 for preventing a combustion accident when the heating system is heated.
The embodiment also provides a refrigerator, which comprises the refrigerator freezing air channel assembly, wherein a refrigerator liner (not shown in the figure) is arranged below the refrigerator freezing air channel assembly. The fan 3 sucks cold air into the air cavity, and then the cold air is distributed by the air guide boss 41 right below the fan 3, then flows to the air outlet 11 through the strip-shaped air passing hole 71 uniformly and smoothly, and flows into the freezer container below the air outlet 11 for refrigeration. The knob 6 is manually adjusted according to actual needs to adjust the opening and closing area of the strip-shaped air passing holes 71, so that the control of air passing amount is realized, energy is saved, and consumption is reduced; the condensate water generated in the freezing air duct can be discharged in time through the drainage groove 42, the phenomenon of frost and icing in the air duct is avoided, the refrigeration effect is ensured, and therefore the refrigerator is ensured to operate reliably and stably.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
1. A refrigerator freezing air duct assembly, comprising:
the air duct front plate (1) is provided with a fan (3) and an air outlet (11);
the air duct rear plate (2) comprises a fan opening (21), and the air duct rear plate (2) and the air duct front plate (1) are oppositely arranged and fixed with each other so that the fan (3) is aligned to the fan opening (21);
the air guide boss (41) is positioned between the fan (3) and the air outlet (11) and used for shunting and guiding cold air blown out by the fan (3) to the air outlet (11);
an insulation board (4) is arranged between the air duct front board (1) and the air duct rear board (2), the insulation board (4) is fixedly buckled with the air duct front board (1), the air duct rear board (2) is embedded into the insulation board (4), an accommodating cavity for accommodating the fan (3) is formed in the insulation board (4), and an air cavity is formed between the air duct rear board (2) and the insulation board (4);
the air guide boss (41) is arranged on the heat insulation plate (4) and is positioned right below the fan (3);
the air outlet (11) is located at the bottom of the air duct front plate (1) and is located right below the air guide boss (41).
2. The refrigerator freezing air duct assembly according to claim 1, wherein the upper surface of the air guide boss (41) comprises two symmetrically arranged arc-shaped convex plates (411), and the joint of the two arc-shaped convex plates (411) is located right below the fan (3).
3. The refrigerator freezing air duct assembly according to claim 1, wherein the heat insulation board (4) is provided with water drainage grooves (42) on two sides below the air guide boss (41), and the water drainage grooves (42) extend downwards to the bottom of the heat insulation board (4).
4. The refrigerator freezing air duct assembly according to claim 1, further comprising an air volume adjusting assembly, wherein the air volume adjusting assembly is located under the air guide boss (41), the air volume adjusting assembly comprises an air door piece (5) and a knob (6), the air door piece (5) is rotatably installed between the air duct front plate (1) and the air duct rear plate (2), the knob (6) is rotatably arranged on the other side of the air duct front plate (1), and the knob (6) is connected with the air door piece (5) in a clamping manner and drives the air door piece (5) to rotate so as to adjust the air volume from the air cavity to the air outlet (11).
5. The refrigerator freezing air duct assembly according to claim 4, wherein the air duct front plate (1) is fixedly provided with an air duct plate (7), the upper surface of the air duct plate (7) is provided with a strip-shaped air passing hole (71), and the strip-shaped air passing hole (71) corresponds to the air outlet (11).
6. The refrigerator freezing air duct assembly according to claim 1, wherein a vortex air guiding groove (22) is dug on the air duct rear plate (2) around the fan opening (21), and a water outlet (23) is opened at the bottom of the vortex air guiding groove (22).
7. A refrigerator, characterized in that, comprising the refrigerator freezing air duct assembly according to any one of claims 1 to 6, a refrigerator liner is arranged below the refrigerator freezing air duct assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711058391.2A CN107642939B (en) | 2017-11-01 | 2017-11-01 | Refrigerator freezing air duct assembly and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711058391.2A CN107642939B (en) | 2017-11-01 | 2017-11-01 | Refrigerator freezing air duct assembly and refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107642939A CN107642939A (en) | 2018-01-30 |
| CN107642939B true CN107642939B (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711058391.2A Active CN107642939B (en) | 2017-11-01 | 2017-11-01 | Refrigerator freezing air duct assembly and refrigerator |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895641B (en) * | 2017-01-09 | 2020-12-01 | 安徽康佳同创电器有限公司 | Refrigerator mechanical air door switch and refrigerator |
| CN111664635A (en) * | 2020-06-18 | 2020-09-15 | 长虹美菱股份有限公司 | Air duct structure for refrigerator |
| CN113790563A (en) * | 2021-08-24 | 2021-12-14 | 长虹美菱股份有限公司 | Anti-icing wind channel and refrigerator |
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|---|---|---|---|---|
| EP0893662A2 (en) * | 1997-07-24 | 1999-01-27 | Samsung Electronics Co., Ltd. | Refrigerator with cool air directing device |
| JPH11101551A (en) * | 1997-06-30 | 1999-04-13 | Samsung Electron Co Ltd | Refrigerator with cold air distributing blades |
| WO2006120110A1 (en) * | 2005-05-10 | 2006-11-16 | BSH Bosch und Siemens Hausgeräte GmbH | Refrigerator featuring recirculated air cooling |
| CN101603762A (en) * | 2009-06-03 | 2009-12-16 | 泰州乐金电子冷机有限公司 | A kind of cool air duct device of refrigerator |
| CN104101159A (en) * | 2014-08-06 | 2014-10-15 | 合肥华凌股份有限公司 | Air channel module for refrigerator and refrigerator |
| CN203949428U (en) * | 2014-06-03 | 2014-11-19 | 宁波华彩电器有限公司 | A kind of freezing ducting assembly for refrigerator |
-
2017
- 2017-11-01 CN CN201711058391.2A patent/CN107642939B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11101551A (en) * | 1997-06-30 | 1999-04-13 | Samsung Electron Co Ltd | Refrigerator with cold air distributing blades |
| EP0893662A2 (en) * | 1997-07-24 | 1999-01-27 | Samsung Electronics Co., Ltd. | Refrigerator with cool air directing device |
| WO2006120110A1 (en) * | 2005-05-10 | 2006-11-16 | BSH Bosch und Siemens Hausgeräte GmbH | Refrigerator featuring recirculated air cooling |
| CN101603762A (en) * | 2009-06-03 | 2009-12-16 | 泰州乐金电子冷机有限公司 | A kind of cool air duct device of refrigerator |
| CN203949428U (en) * | 2014-06-03 | 2014-11-19 | 宁波华彩电器有限公司 | A kind of freezing ducting assembly for refrigerator |
| CN104101159A (en) * | 2014-08-06 | 2014-10-15 | 合肥华凌股份有限公司 | Air channel module for refrigerator and refrigerator |
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| CN107642939A (en) | 2018-01-30 |
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Address after: 211200 Skyworth electric appliance (Nanjing) Industrial Park, Lishui Economic Development Zone, Nanjing, Jiangsu Province Patentee after: SKYWORTH Electric Co.,Ltd. Address before: 211299 Skyworth electric appliance (Nanjing) Industrial Park, Lishui Economic Development Zone, Nanjing City, Jiangsu Province Patentee before: NANJING SKYWORTH HOUSEHOLD ELECTRICAL APPLIANCE Co.,Ltd. |
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