CN208012195U - Refrigerator - Google Patents
Refrigerator Download PDFInfo
- Publication number
- CN208012195U CN208012195U CN201721901851.9U CN201721901851U CN208012195U CN 208012195 U CN208012195 U CN 208012195U CN 201721901851 U CN201721901851 U CN 201721901851U CN 208012195 U CN208012195 U CN 208012195U
- Authority
- CN
- China
- Prior art keywords
- evaporator
- refrigerator
- fin
- return air
- heater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model provides a kind of refrigerator, including：Evaporator (10) carries out heat exchange at least one compartment；Fan carries out air draught to evaporator；Air duct (20), has the return air inlet of at least one air outlet and at least one evaporator, and indoor wind path is made to be recycled；And heater (30), evaporator (10) are heated in defrosting, it is also equipped with heater cover board (31) above heater, it is provided with pre- frosting device (32) on heater cover board (31), is located at the side of the return air inlet (21) of the compartment side of the non-frozen temperature band in the return air inlet of at least one evaporator.Refrigerator according to the present utility model can reduce the amount for the moisture for returning to evaporator, extend frost and tie the full time.
Description
Technical field
The utility model is related to a kind of refrigerators, especially have the refrigerator of pre- frosting device.
Background technology
In the ducting system of refrigerator, some moisture are contained in the return air of refrigerating chamber, these moisture are returned to return air
Frost is formed in cooling chamber, attachment on an evaporator, after more to certain degree is measured in frost, can be opened Defrost heater and be defrosted.
Since there is the power consumption of refrigerator at the interval of defrosting bigger influence, in high-load condition, due to the water in refrigerating chamber library
Gas cut enters more, so frost ties full time than very fast on evaporator, high load capacity defrosting interval is shorter, makes when calculating power consumption whole
Body power consumption is bigger than normal.
For example, Fig. 3 is the sectional view of the concrete structure at the return air inlet of the evaporator for the refrigerator for indicating the prior art.It is existing
In some refrigerators, including：The evaporator 10 of heat exchange is carried out to compartment；The fan (not shown) of air draught is carried out to evaporator 10；
Have a return air inlet 21 of air outlet (not shown) and evaporator, 22, and the air duct 20 for making indoor wind path be recycled,
In, return air inlet 21 is the return air inlet of refrigerating chamber side, and return air inlet 22 is the return air inlet of freezing chamber side；And in defrosting
The heater 30 that evaporator 10 is heated.But existing refrigerator is only provided with heater cover board 31 above heater 30,
It is used to make condensed water not drop in heater 30.But such heater cover board 31 can not absorb the moisture in return air,
Frost ties the full time than very fast on evaporator, and high load capacity defrosting interval is shorter, larger so as to cause whole power consumption.
Utility model content
The utility model is to complete in view of the above problems, and the purpose is to provide a kind of to reduce moisture in return air
Refrigerator.
The refrigerator of the utility model, which is characterized in that have：Evaporator carries out at least one compartment of the refrigerator
Heat exchange；Fan carries out air draught to the evaporator；Air duct has time of at least one air outlet and at least one evaporator
Wind entrance makes the indoor wind path be recycled；And heater, the evaporator is heated in defrosting, it is described to add
It is also equipped with heater cover board above hot device, pre- frosting device is provided on the heater, is located at least one evaporation
The side of the return air inlet of the compartment side of non-frozen temperature band in the return air inlet of device.
Above-mentioned refrigerator according to the present utility model, before the return air of refrigerating chamber enters evaporator, in refrigerating chamber return air
Moisture pre- frosting processing is carried out by pre- frosting device, the low-power heater strip started after a certain period of time in the structure is removed
Frost, can reduce the amount for the moisture for returning to evaporator in this way, extend frost and tie the full time, to which most short when extending high load capacity is removed
Frost interval, reaches energy-efficient effect.
In addition, in the refrigerator of the utility model, the pre- frosting device is fin.With such a configuration, it not only reduces
Heat radiation area can also be increased in formal defrosting by returning to the amount of the moisture of evaporator.
In addition, in the refrigerator of the utility model, the fin is provided with multiple along the length direction of the heater cover board.
With such a configuration, the amount for the moisture for returning to evaporator can be further reduced and further increase hot spoke in formal defrosting
Penetrate area.Moreover, when return air passes through multiple fins, rectification can be played the role of, keep the air-flow for returning to evaporator more uniform.
In addition, in the refrigerator of the utility model, 5~20mm is divided between adjacent fin in the multiple fin.Pass through
Such construction can improve heat exchanger effectiveness as much as possible, moreover, when return air is passed through with the fin being spaced such that, it can be with
Play the role of rectification, keep the air-flow for returning to evaporator more uniform, ensure the uniform heat exchange of evaporator, improves evaporation efficiency.
In addition, in the refrigerator of the utility model, hydrophobic coating is formed on the fin.With such a configuration, can
Extend heat pamp, to extend most short defrosting interval when high load capacity, reaches energy-efficient effect.
In addition, in the refrigerator of the utility model, the fin is the film that metal fin or its surface attach metal material.
With such a configuration, the amount for the moisture for returning to evaporator can be further reduced and further increase hot spoke in formal defrosting
Penetrate area.
In addition, in the refrigerator of the utility model, the pre- frosting device is the surface for being formed in the heater cover board
Protrusion.With such a configuration, it can equally be further reduced the amount for the moisture for returning to evaporator and increase in formal defrosting
Heat radiation area.
Description of the drawings
Fig. 1 is the schematic diagram of the structure at the evaporator return air of the refrigerator involved by the utility model.
Fig. 2 is the solid of the concrete structure of the heater cover board for the evaporator for indicating the refrigerator involved by the utility model
Figure.
Fig. 3 is the schematic diagram of the structure at the evaporator return air for the refrigerator for indicating the prior art.
Specific implementation mode
The utility model is described in detail with reference to the accompanying drawings and examples.
The preferred embodiment of the refrigerator involved by the utility model is described in detail referring to the drawings.In addition, attached
In the explanation of figure, it is accompanied by same symbol to same or considerable part, the repetitive description thereof will be omitted.
As shown in Figure 1 and Figure 2, in the refrigerator of the utility model, including：The evaporator 10 of heat exchange is carried out to compartment；To steaming
Send out the fan (not shown) that device 10 carries out air draught；Have a return air inlet 21 of air outlet (not shown) and evaporator 10,22, and make
The air duct 20 that indoor wind path is recycled；And the heater 30 that evaporator 10 is heated in defrosting.Wherein, return air enters
Mouth 21 is the return air inlet of refrigerating chamber side.Return air inlet 22 is the return air inlet of freezing chamber side.Herein, heater 30 can be to add
The common heating element such as heat pipe.
Furthermore it is preferred that 30 top of heater is also equipped with heater cover board 31.As long as heater cover board 31 can guarantee evaporation
Condensed water on device 10 does not drop on heater 30, and if capable of reaching good thermal radiation effect, can be arbitrary
Shape, such as can be arc-shaped, polygon, triangle etc..A part for intrusion cold air is along heater cover board 31 as a result,
Edge enters 31 top of heater cover board, reduces the direct contact area with heater 30, can further effectively reduce
Heater 30 distributes the loss of heat.
In addition, being provided with pre- frosting device 32 on heater 31, it is located at return air inlet (the non-frozen temperature of refrigerating chamber side
The return air inlet of the compartment side of band) 21 side.As a result, before the return air of refrigerating chamber enters evaporator 10, refrigerating chamber is returned
Moisture in wind carries out pre- frosting processing by pre- frosting device 22, starts the low-power heater strip in the structure after a certain period of time
It defrosts, the amount for the moisture for returning to evaporator 10 can be reduced in this way, extend frost and tie the full time, when to extend high load capacity
Most short defrosting interval, reach energy-efficient effect.
Moreover it is preferred that pre- frosting device 32 is fin, it is further preferred that length of the fin along the heater cover board
Degree direction is provided with multiple.In addition, the fin can be the film that metal fin or its surface attach metal material.In this way
Construction, the amount for the moisture for returning to evaporator can be reduced and increase heat radiation area in formal defrosting.Moreover, return air passes through
When multiple fins, rectification can be played the role of, keep the air-flow for returning to evaporator 10 more uniform.Herein, fin can be in length
Degree is equably arranged on direction, but not limited to this, can also densely it be arranged in certain part.Furthermore it is preferred that on fin 32
It is formed with hydrophobic coating.Thus, it is possible to extend heat pamp, to extend most short defrosting interval when high load capacity, reach energy-efficient
Effect.
Furthermore it is preferred that being divided into 5~20mm between fin adjacent in multiple fins.With such a configuration, Neng Goujin
Heat exchanger effectiveness is possibly improved, moreover, when return air is passed through with the fin being spaced such that, rectification can be played the role of, made
The air-flow for returning to evaporator is more uniform, ensures the uniform heat exchange of evaporator, improves evaporation efficiency.When the interval between fin is less than
When 5mm, since spacing is too small, it is easy that frosting is made to build up.When the interval between fin is more than 20mm, then the spacing of fin is excessive,
Frosting degree becomes smaller, nor can preferably carry out the rectification of return air.
In addition, the case where pre- frosting device 32 is fin is explained above, but not limited to this, pre- frosting device is to be formed in
The protrusion on the surface of heater cover board 31.With such a configuration, the moisture for returning to evaporator can be equally further reduced
It measures and increases heat radiation area in formal defrosting.
Refrigerator according to the present utility model, the return air of refrigerating chamber is when by the pre- frosting structure, the higher return air of temperature
Gas is contacted with the lower pre- frosting structure of temperature, and the portion of water in return air condenses to the cold, forms on the apparatus
Frost, the moisture in the return air to return to evaporator are reduced, and frosting degree is also reduced therewith on evaporator, and last evaporator reaches
The time stifled to frost is longer, and energy-efficient effect may be implemented in the defrosting cycle of evaporator when to extend higher load condition.
Although being illustrated to the utility model above in association with drawings and examples, it will be appreciated that above-mentioned
Illustrate not limit the utility model in any form.Those skilled in the art are in the connotation and model without departing from the utility model
Can the utility model be deformed and be changed as needed in the case of enclosing, these deformations and variation each fall within this practicality newly
In the range of type.
Claims (7)
1. a kind of refrigerator, which is characterized in that
Have：
Evaporator carries out heat exchange at least one compartment of the refrigerator；
Fan carries out air draught to the evaporator；
Air duct has the return air inlet of at least one air outlet and at least one evaporator, makes the indoor wind path
It is recycled；And
Heater heats the evaporator in defrosting,
It is also equipped with heater cover board above the heater, pre- frosting device is provided on the heater cover board, is located at institute
State the side of the return air inlet of the compartment side of the non-frozen temperature band in the return air inlet of at least one evaporator.
2. refrigerator as described in claim 1, which is characterized in that
The pre- frosting device is fin.
3. refrigerator as claimed in claim 2, which is characterized in that
The fin is provided with multiple along the length direction of the heater cover board.
4. refrigerator as claimed in claim 3, which is characterized in that
In the multiple fin 5~20mm is divided between adjacent fin.
5. the refrigerator as described in any one of claim 2~4, which is characterized in that
It is formed with hydrophobic coating on the fin.
6. the refrigerator as described in any one of claim 2~4, which is characterized in that
The fin is the film that metal fin or its surface attach metal material.
7. refrigerator as described in claim 1, which is characterized in that
The pre- frosting device is the protrusion on the surface for being formed in the heater cover board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721901851.9U CN208012195U (en) | 2017-12-29 | 2017-12-29 | Refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721901851.9U CN208012195U (en) | 2017-12-29 | 2017-12-29 | Refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208012195U true CN208012195U (en) | 2018-10-26 |
Family
ID=63882329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721901851.9U Active CN208012195U (en) | 2017-12-29 | 2017-12-29 | Refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208012195U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373674A (en) * | 2018-11-05 | 2019-02-22 | 青岛海尔股份有限公司 | Refrigerator |
| CN110145911A (en) * | 2019-05-16 | 2019-08-20 | 深圳市贝优通新能源技术开发有限公司 | A kind of intelligent refrigerator with cleaning and deicing function |
| CN111854269A (en) * | 2020-07-16 | 2020-10-30 | 董春海 | Negative pressure controlled frost-free refrigerator |
| CN113847769A (en) * | 2020-06-28 | 2021-12-28 | 青岛海尔电冰箱有限公司 | Refrigerator with a door |
| WO2021258818A1 (en) * | 2020-06-22 | 2021-12-30 | 青岛海尔电冰箱有限公司 | Refrigerator |
| WO2021258819A1 (en) * | 2020-06-22 | 2021-12-30 | 青岛海尔电冰箱有限公司 | Refrigerator |
-
2017
- 2017-12-29 CN CN201721901851.9U patent/CN208012195U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373674A (en) * | 2018-11-05 | 2019-02-22 | 青岛海尔股份有限公司 | Refrigerator |
| CN110145911A (en) * | 2019-05-16 | 2019-08-20 | 深圳市贝优通新能源技术开发有限公司 | A kind of intelligent refrigerator with cleaning and deicing function |
| WO2021258818A1 (en) * | 2020-06-22 | 2021-12-30 | 青岛海尔电冰箱有限公司 | Refrigerator |
| WO2021258819A1 (en) * | 2020-06-22 | 2021-12-30 | 青岛海尔电冰箱有限公司 | Refrigerator |
| CN113899134A (en) * | 2020-06-22 | 2022-01-07 | 青岛海尔电冰箱有限公司 | Refrigerator with a door |
| CN113847769A (en) * | 2020-06-28 | 2021-12-28 | 青岛海尔电冰箱有限公司 | Refrigerator with a door |
| WO2022001286A1 (en) * | 2020-06-28 | 2022-01-06 | 青岛海尔电冰箱有限公司 | Refrigerator |
| CN113847769B (en) * | 2020-06-28 | 2023-01-20 | 青岛海尔电冰箱有限公司 | Refrigerator with a door |
| CN111854269A (en) * | 2020-07-16 | 2020-10-30 | 董春海 | Negative pressure controlled frost-free refrigerator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208012195U (en) | Refrigerator | |
| CN206113475U (en) | Icy case of defrost system soft breeze of forced air cooling refrigerator | |
| CN105222478B (en) | The method defrosted using freezer outside air auxiliary electrical heater | |
| CN104501498B (en) | Refrigerator | |
| RU2419045C2 (en) | Refrigerating unit with defroster | |
| CN104949426B (en) | Wind cooling refrigerator | |
| CN201706831U (en) | Energy-saving constant-temperature constant-humid preserving refrigeratory system | |
| CN109737676A (en) | Wind cooling refrigerator finned-tube evaporator and wind cooling refrigerator | |
| CN104976857B (en) | The moisture retention structure and refrigerator of a kind of wind cooling refrigerator for single system refrigeration modes | |
| WO2015029409A1 (en) | Refrigerator | |
| CN204944006U (en) | Refrigerator | |
| CN107076495B (en) | Frost-free refrigeration appliance | |
| WO2020166308A1 (en) | Defrosting device and refrigerator equipped with same | |
| CN206648401U (en) | Moisturizing control system is heated in air-cooled frost-free refrigerator frosting defrost | |
| CN215597871U (en) | Refrigerating and freezing device | |
| CN204006894U (en) | Refrigerator | |
| CN209279485U (en) | A kind of wind cooling refrigerator finned-tube evaporator and wind cooling refrigerator | |
| CN208653043U (en) | A kind of freezer efficient air cooler | |
| CN208567206U (en) | Nest plate tubular type evaporation structure | |
| CN214501797U (en) | Heat exchanger and dehumidifier with same | |
| CN206131589U (en) | Air -cooling refrigerator | |
| CN207936548U (en) | A kind of evaporator fin | |
| JPH09152229A (en) | Refrigerator | |
| CN210861909U (en) | Evaporator assembly and refrigeration equipment | |
| CN106403454A (en) | Refrigerator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |