CN211400476U - Improved forced defrosting structure and refrigerator - Google Patents
Improved forced defrosting structure and refrigerator Download PDFInfo
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- CN211400476U CN211400476U CN201921412963.7U CN201921412963U CN211400476U CN 211400476 U CN211400476 U CN 211400476U CN 201921412963 U CN201921412963 U CN 201921412963U CN 211400476 U CN211400476 U CN 211400476U
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Abstract
The utility model provides a pair of improved generation forces white structure, including setting up the fan-shaped kuppe on the air supply outlet of the wind channel of defrosting, the air intake department in the wind channel of defrosting is equipped with the air supply heating element that is integrated, fan-shaped kuppe top opening is towards the bottom surface department of evaporimeter, fan-shaped kuppe top interval is equipped with rather than the arc guiding gutter that looks level, the length of arc guiding gutter is not less than the length of fan-shaped kuppe top opening, and constitute hot-blast transport space between arc guiding gutter and the fan-shaped kuppe; the refrigerator comprises a freezing chamber or a refrigerating chamber provided with the improved forced defrosting structure. The utility model discloses an utilize the structural feature of fan-shaped kuppe, played the effect that the gathering is hot-blast and increased the hot-blast scope of effluvium, the arc guiding gutter of fan-shaped kuppe top has not only constituted great hot-blast transport space with fan-shaped kuppe, makes the frost layer on evaporimeter surface can better melt, also can effectively prevent simultaneously that trash ice and water from falling into fan-shaped kuppe in, avoids influencing the effect of forced convection formula defrosting.
Description
Technical Field
The utility model belongs to the technical field of refrigeration plant, concretely relates to frost structure and refrigerator are forced to improved generation.
Background
Publication No. CN109323510A discloses a forced closed convection defrosting structure, which forms forced convection with an evaporator in a refrigerator chamber by vertically arranging a defrosting air channel in a foaming layer of the refrigerator and utilizing an electric heating fan assembly and an electric guiding device, so that a frost layer on the surface of the evaporator is melted, and a defrosting effect is achieved.
The defrosting effect can be directly influenced if the coverage area and the air volume of the fed hot air on the surface of the evaporator are large enough, and the defrosting structure has a larger room for improvement; in addition, because the defrosting water and the crushed ice are generated after defrosting, and the service performance of the refrigerator is influenced if the defrosting water and the crushed ice are not discharged in time, the improvement space is large in the timeliness of discharging the defrosting water and the crushed ice.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide one kind not only can improve and force the effect of STREAMING defrosting, the drainage is iced moreover reliable rapidly, is particularly useful for opening the door, forcing the frost structure to the improved generation of opening the door refrigerator more.
The utility model also provides a refrigerator that contains this structure.
The utility model provides a first aspect provides a frost structure is forced to improved generation, including the white wind channel of changing, the air intake department in the white wind channel of changing is equipped with air supply heating element, air supply heating element includes the casing, casing one end sealing connection is in the air intake department in the white wind channel of changing, be equipped with the heating device who is close to the air intake in the casing, and set up the electric fan at the heating device opposite side, the supply-air outlet in the white wind channel of changing is located the below of evaporimeter, change the white wind channel and be equipped with the drain pipe outward, seted up air supply section access on the lateral wall of drain pipe, the white wind channel is the L type, its vertical section and the top of drain pipe pass the refrigerator room foaming layer of placing the evaporimeter, the internal diameter of the vertical section in white wind channel of changing is less than the internal diameter of drain pipe, and constitute the flowing water passageway with the inner wall of drain, a water receiving basin is arranged below the defrosting air channel and the drain pipe in a supporting manner; the defrosting air duct is characterized in that a fan-shaped flow guide cover is connected to an air supply opening at the top of the vertical section of the defrosting air duct, the top opening of the fan-shaped flow guide cover faces to the bottom surface of the evaporator, arc-shaped flow guide grooves which are horizontal to the fan-shaped flow guide cover are arranged above the fan-shaped flow guide cover at intervals, the length of each arc-shaped flow guide groove is not less than that of the top opening of the fan-shaped flow guide cover, and a hot air conveying space is formed between each arc.
A second aspect of the present invention provides a refrigerator including a freezing chamber or a refrigerating chamber in which the above-described improved forced defrosting structure is installed.
The utility model discloses an utilize the structural feature of fan-shaped kuppe, played the effect that the gathering is hot-blast and increased the hot-blast scope of effluvium, the arc guiding gutter of fan-shaped kuppe top has not only constituted great hot-blast transport space with fan-shaped kuppe, makes the frost layer on evaporimeter surface can better melt, also can effectively prevent simultaneously that trash ice and water from falling into fan-shaped kuppe in, avoids influencing the effect of forced convection formula defrosting.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
Referring to fig. 1, the utility model provides an improved forced defrosting structure, which comprises a defrosting air channel 1, an air inlet of the defrosting air channel 1 is provided with an air supply heating assembly 2, and an air supply outlet of the defrosting air channel 1 is positioned below an evaporator 3; the defrosting air duct 1 is externally provided with a drain pipe 4, the side wall of the drain pipe 4 is provided with an air supply section access port 41, the defrosting air duct 1 is L-shaped, the vertical section and the top of the drain pipe 4 penetrate through a foaming layer of a refrigerator chamber for placing the evaporator 3, the inner diameter of the vertical section of the defrosting air duct 1 is smaller than that of the drain pipe 4, and forms a water flowing channel with the inner wall of the drain pipe 4, the horizontal section of the defrosting air duct 1 penetrates through the air supply section access port 41, the penetrating port is the air inlet and is connected with the air supply heating assembly 2, the air supply heating assembly 2 comprises a shell 21, one end of the shell 21 is hermetically connected at the air inlet of the defrosting air duct 1, a heating device 22 close to the air inlet and an electric fan 23 arranged at the other side of the heating device 22 are arranged in the shell 21, a water receiving basin 5 is arranged below the defrosting air duct 1 and the drain pipe, the technical scheme of the utility model be, the air supply opening department at 1 vertical section top in white wind channel connects and is equipped with fan-shaped kuppe 6, and 6 open-top in fan-shaped kuppe is towards the bottom surface department of evaporimeter 3, and 6 top intervals in fan-shaped kuppe are equipped with rather than looks horizontally arc guiding gutter 7, and the length of arc guiding gutter 7 is not less than 6 open-top in fan-shaped kuppe's length, and constitutes hot-blast transport space 8 between arc guiding gutter 7 and the fan-shaped kuppe 6.
When the defrosting device is used, hot air heated by the air supply heating assembly 2 enters the defrosting air channel 1, then the hot air enters the foaming layer of the refrigerator chamber for placing the evaporator 3 through the fan-shaped guide cover 6, the fan-shaped guide cover 6 utilizes the structural characteristics of the fan-shaped guide cover, after the bottom of the fan-shaped guide cover plays a role in gathering hot air, the areas of the middle part and the end part are gradually enlarged, the range of the hot air to be diffused is increased, the hot air passes through the hot air conveying space 8, the frost layer on the surface of the evaporator 3 above the hot air conveying space is melted, the defrosting effect is achieved, compared with the prior art, the fan-shaped guide cover 6 is utilized, the hot air quantity. The water produced by defrosting and the water formed by melting the crushed ice directly fall into the water flowing channel formed between the drain pipe 4 and the vertical section of the defrosting air channel 1 under the action of gravity, and finally fall into the water receiving basin 5, so that the foaming layer of the refrigerator chamber in which the evaporator 3 is placed is prevented from being affected by humidity, and the use performance of the refrigerator is prevented from being affected.
In this embodiment, the cross section of the arc-shaped diversion trench 6 is V-shaped. Aim at, the produced garrulous ice of collection defrosting and water that can be better flows from the both ends of arc guiding gutter 6, prevents to spatter everywhere to can effectively prevent garrulous ice and water entering fan-shaped kuppe 6, ensure this stability of defrosting structure performance.
In this embodiment, the vertical section of the defrosting air duct 1 and the top of the drain pipe 4 both penetrate through the funnel-shaped water pan 9, and the water pan 9 is located at the center of the bottom surface of the foaming layer of the refrigerator chamber where the evaporator 3 is placed. Aim at, insert the water back of sending down by arc guiding gutter 6 with water collector 9, because water collector 9 is hourglass hopper-shaped to can be quick send water into the flowing water passageway, avoid gathering in the foaming layer of refrigerator room, improve this stability of defrosting structure performance.
In this embodiment, a heat conducting fin 10 is arranged between the vertical section of the air supply section 11 and the water pan 9. The purpose is that the heat of the air supply section 11 is conducted to the water pan 9 by the heat-conducting fins 10, so that the defrosting water dripping into the water pan 9 is prevented from freezing, and the defrosting effect is further influenced. The water pan 9 and the heat conducting fin 10 are made of metal (such as stainless steel and aluminum) which is nontoxic, environment-friendly, corrosion-resistant and good in heat conductivity.
The utility model also provides a refrigerator, it is including the freezer or the walk-in of installing the frost structure is forced to the improved generation. The multi-chamber refrigerator based on this can adjust the number of positions of the defrosting air duct 1 according to actual needs, and therefore the present embodiment is not described in detail.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. An improved forced defrosting structure comprises a defrosting air channel, an air supply heating assembly is arranged at an air inlet of the defrosting air channel, the air supply heating assembly comprises a shell, one end of the shell is hermetically connected at the air inlet of the defrosting air channel, a heating device close to the air inlet is arranged in the shell, and an electric fan is arranged at the other side of the heating device, an air supply outlet of the defrosting air channel is positioned below an evaporator, a drain pipe is arranged outside the defrosting air channel, an air supply section access port is formed in the side wall of the drain pipe, the defrosting air channel is L-shaped, the vertical section of the defrosting air channel and the top of the drain pipe penetrate through a foaming layer of a refrigerator chamber for placing the evaporator, the inner diameter of the vertical section of the defrosting air channel is smaller than that of the drain pipe, a water flowing channel is formed by the inner wall of the drain pipe, the horizontal section of the defrosting air channel penetrates through the air supply section access port, the air, the method is characterized in that: the defrosting air duct is characterized in that a fan-shaped flow guide cover is connected to an air supply opening at the top of the vertical section of the defrosting air duct, the top opening of the fan-shaped flow guide cover faces to the bottom surface of the evaporator, arc-shaped flow guide grooves which are horizontal to the fan-shaped flow guide cover are arranged above the fan-shaped flow guide cover at intervals, the length of each arc-shaped flow guide groove is not less than that of the top opening of the fan-shaped flow guide cover, and a hot air conveying space is formed between each arc.
2. An improved forced frost structure, as claimed in claim 1, wherein: the cross section of the arc-shaped diversion trench is V-shaped.
3. An improved forced frost structure, as claimed in claim 1, wherein: the vertical section of the air supply section and the top of the drain pipe penetrate through a funnel-shaped water receiving disc, and the water receiving disc is located in the center of the bottom surface of a foaming layer of the refrigerator chamber where the evaporator is placed.
4. An improved forced frost structure as claimed in claim 1, 2 or 3, wherein: and a heat conducting fin is arranged between the vertical section of the air supply section and the water receiving disc.
5. A refrigerator, characterized in that: comprises a freezing chamber or a refrigerating chamber provided with the improved forced defrosting structure as claimed in any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921412963.7U CN211400476U (en) | 2019-08-28 | 2019-08-28 | Improved forced defrosting structure and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921412963.7U CN211400476U (en) | 2019-08-28 | 2019-08-28 | Improved forced defrosting structure and refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211400476U true CN211400476U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921412963.7U Active CN211400476U (en) | 2019-08-28 | 2019-08-28 | Improved forced defrosting structure and refrigerator |
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| CN (1) | CN211400476U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115164484A (en) * | 2022-07-25 | 2022-10-11 | 珠海格力电器股份有限公司 | Defrosting structure, refrigerator and defrosting control method |
-
2019
- 2019-08-28 CN CN201921412963.7U patent/CN211400476U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115164484A (en) * | 2022-07-25 | 2022-10-11 | 珠海格力电器股份有限公司 | Defrosting structure, refrigerator and defrosting control method |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230031 no.369 qingluan Road, Hefei Economic and Technological Development Zone, Anhui Province Patentee after: Hefei Xueqi Electric Co.,Ltd. Address before: 230031 no.369 qingluan Road, Hefei Economic and Technological Development Zone, Anhui Province Patentee before: HEFEI SNOWKY ELECTRIC Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |