CN208312835U - Dual system wind cooling refrigerator - Google Patents
Dual system wind cooling refrigerator Download PDFInfo
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- CN208312835U CN208312835U CN201820601101.8U CN201820601101U CN208312835U CN 208312835 U CN208312835 U CN 208312835U CN 201820601101 U CN201820601101 U CN 201820601101U CN 208312835 U CN208312835 U CN 208312835U
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- refrigeration evaporator
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Abstract
The utility model relates to dual system wind cooling refrigerators, including cabinet；Ducting assembly is refrigerated, the indoor rear portion of refrigerator is set to, and there are multiple supply air ducts, for guiding air-flow to flow into the indoor storage space of refrigerator；Refrigeration evaporator is arranged between refrigeration ducting assembly and the liner rear wall of refrigerator room, for providing cooling air-flow for storage space；Blower is refrigerated, the top of refrigeration evaporator is set to, for controllably promoting air-supply air-flow to flow to storage space by refrigeration ducting assembly and the return air stream in storage space being promoted to return to refrigeration evaporator, to form airflow circulating；And air volume distributor, it is connected with refrigeration ducting assembly, multiple supply air ducts for distribution of air flow will to be blown to refrigeration ducting assembly.Air volume distributor is equipped with first heater, for controllably starting operation in refrigeration evaporator defrost, to carry out thorough defrost to refrigeration evaporator by airflow circulating, and prevents refrigeration blower frosting.
Description
Technical field
The utility model relates to refrigeration equipments, more particularly to a kind of dual system wind cooling refrigerator.
Background technique
In wind cooling refrigerator, frost layer condenses on an evaporator, for a long time not except the refrigeration performance that will affect wind cooling refrigerator, very
To the circulation of obstruction air-flow, causes the temperature in storage space to increase, influence refrigeration effect.
Existing defrost technology mostly uses greatly electric heating equipment to carry out heating defrost to evaporator, when being run using compressor
Between judge the required defrost period, judge the time etc. that electric heating equipment opens or closes using defrosting sensor.However, right
For the wind cooling refrigerator of dual system, since space limitation is larger, it is accordingly used in the electric heating to defrost to refrigeration evaporator
The Position Design of equipment and single system wind cooling refrigerator are different, it is easy to and cause refrigeration evaporator defrost to be not thorough, and with
The passage of time easily to generate frost stifled, lead to that refrigeration chamber speed is slow, effect is poor, it is also possible to cause to refrigerate blower frosting
Etc. adverse consequences.
Utility model content
One purpose of the utility model is intended to overcome at least one defect in the prior art, and providing one kind can be to cold
The dual system wind cooling refrigerator that hiding evaporator is thoroughly defrosted.
Another the purpose of the utility model is to prevent from generating frosting on refrigeration blower.
One of the utility model is further objective is that improve the defrosting efficiency to refrigeration evaporator, enhancing refrigeration evaporation
The defrosting effect of device.
To achieve the goals above, the utility model provides a kind of dual system wind cooling refrigerator, including cabinet, in the cabinet
Define refrigerator room and freezing compartment, further includes:
Ducting assembly is refrigerated, the indoor rear portion of the refrigerator is set to, and there are multiple supply air ducts, for guiding
Air-flow flows into the indoor storage space of refrigerator；
Refrigeration evaporator is arranged between refrigeration ducting assembly and the liner rear wall of the refrigerator room, for for
The storage space provides cooling air-flow；
Blower is refrigerated, the top of the refrigeration evaporator is set to, it is described cold for controllably promoting air-supply air-flow to pass through
Hiding ducting assembly flows to the storage space and the return air stream in the storage space is promoted to return to the refrigeration evaporator,
To form airflow circulating；And
Air volume distributor is connected with the refrigeration ducting assembly, for the distribution of air flow that will blow to refrigeration air duct group
Multiple supply air ducts of part；Wherein
The air volume distributor is equipped with first heater, for controllably starting in the refrigeration evaporator defrost
Operation, to carry out defrost to the refrigeration evaporator by airflow circulating.
Optionally, the first heater be set to the air volume distributor towards the refrigerator room liner rear wall
Backward surface.
Optionally, the refrigeration blower is set in the air volume distributor；And
The backward surface of the air volume distributor offers air inlet, and the first heater is around the air inlet
Provided around heater strip.
Optionally, the heater strip is in the rear to surface arcuately curve detour extension of the air volume distributor.
Optionally, the refrigeration ducting assembly includes air channel base plate, and the multiple supply air duct is formed in the air duct bottom
On plate, each supply air duct has one or more cold wind outlets, and the multiple supply air duct is configured to make described in outflow
The air-flow for refrigerating ducting assembly enters the indoor storage room of the refrigerator from multiple positions respectively.
Optionally, the peripheral surface of the air volume distributor offers multiple air outlets, each air outlet with phase
One answered the supply air duct connection, so that the air-flow after being distributed by the air volume distributor flows to different institutes respectively
State supply air duct.
Optionally, the refrigeration ducting assembly further includes the air duct cover board being set on front side of the air channel base plate, the wind
Road cover board is exposed to the indoor storage space of the refrigerator, and offers multiple air outlets, each air outlet with phase
One answered the cold wind outlet is connected.
Optionally, be equipped with electric control damper at each air outlet, in the refrigeration evaporator defrost controllably
It opens, to allow to form airflow circulating between the indoor storage space of the refrigerator and the refrigeration evaporator.
Optionally, the liner rear wall of the refrigerator room is equipped with adds with before and after the refrigeration evaporator corresponding second
Thermal, the secondary heating mechanism are configured to same controllably with the first heater in the refrigeration evaporator defrost
Shi Qidong, to carry out heating defrosting to the refrigeration evaporator.
Optionally, the secondary heating mechanism is the heater strip being attached on the inside of the liner rear wall.
The dual system wind cooling refrigerator of the utility model passes through refrigeration ducting assembly, refrigeration evaporator, refrigeration blower and air quantity
The structure and Position Design of distributor are followed so that space where the indoor storage space of refrigerator and refrigeration evaporator forms air-flow
Ring.On this basis, the utility model is also specifically designed first heater on the necessary air volume distributor of circulating current, no
But not the temperature in storage space is influenced too much, but also starting first can be passed through in refrigeration evaporator defrost
Heating device generate heat so that the heat with air-flow circulate be sent to refrigeration evaporator, refrigeration blower or other follow
The structure that ring air-flow passes through, to effectively carry out defrost to refrigeration evaporator, refrigeration blower etc..
The utility model generates heat by electric heater unit, and transfers heat to required position using circulating current
Air defrost mode contact area is big, contact is uniform, and heating efficiency is high, therefore can carry out to refrigeration evaporator thorough
Defrost is not only able to prevent the generation of the stifled phenomenon of frost, and can be avoided refrigeration blower frosting.
Further, first heater is specifically designed in air volume distributor towards in refrigerator room by the utility model
The backward surface of gallbladder rear wall, on the one hand, may make the layout area of first heater to increase, that is, increase heat and air-flow it
Between contact area；On the other hand, due to the air-supply gas in the space between air volume distributor and the liner rear wall of refrigerator room
Therefore stream will promote more air-supply air-flows to contact with first heater, improve for attached by air volume distributor
The amount of air with heat, so that the defrosting efficiency of refrigeration evaporator is greatly improved, defrosting effect can be greatly promoted.
According to the accompanying drawings to the detailed description of the utility model specific embodiment, those skilled in the art will be more
Add the above-mentioned and other purposes, advantages and features of clear the utility model.
Detailed description of the invention
Some specific realities of the utility model are described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter
Apply example.Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that
The drawings are not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic diagram according to the dual system wind cooling refrigerator of the utility model one embodiment；
Fig. 2 is decomposed according to the refrigerator room of the utility model one embodiment and its schematic structure of dependency structure
Figure；
Fig. 3 is schematic after being decomposed according to the refrigeration ducting assembly of the utility model one embodiment with air volume distributor
Structure chart；
Fig. 4 is according to the refrigeration air channel base plate of ducting assembly of the utility model one embodiment, air volume distributor and the
Schematic diagram after the decomposition of one heating device.
Specific embodiment
The utility model embodiment provides a kind of dual system wind cooling refrigerator.Fig. 1 is according to the utility model one embodiment
Dual system wind cooling refrigerator schematic diagram.The dual system wind cooling refrigerator 1 of the utility model includes cabinet 10, in cabinet 10
Define refrigerator room 11 and freezing compartment 12.It can be separated by lateral partitions between refrigerator room 11 and freezing compartment 12, it is cold
Hiding compartment 11 can be at the top of freezing compartment 12.
Fig. 2 is decomposed according to the refrigerator room of the utility model one embodiment and its schematic structure of dependency structure
Scheme, shows the inner-tube structure of refrigerator room 11 in Fig. 2.Further, dual system wind cooling refrigerator 1 further includes refrigeration ducting assembly
20, refrigeration evaporator 30, refrigeration blower 40 and air volume distributor 50.Dual system wind cooling refrigerator 1 can also include compressor, condensation
Device, freezing capillary, refrigerating evaporator, refrigeration capillary etc..
Fig. 3 is schematic after being decomposed according to the refrigeration ducting assembly of the utility model one embodiment with air volume distributor
Structure chart, Fig. 4 are according to the air channel base plate for refrigerating ducting assembly of the utility model one embodiment, air volume distributor and first
Schematic diagram after heating device decomposition.
It referring to Fig. 1 to Fig. 4, refrigerates ducting assembly 20 and is set to the rear portion in refrigerator room 11, and there are multiple air-supply wind
Road 211, for guiding air-flow to flow into the storage space in refrigerator room 11.
Refrigeration evaporator 30 be arranged in refrigeration ducting assembly 20 and the liner rear wall 111 of refrigerator room 11 between, for for
Storage space in refrigerator room 11 provides cooling air-flow.Refrigeration evaporator 30 can carry out heat exchange with the air for flowing through it, from
And generate cooling air-flow.
Refrigeration blower 40 is set to the top of refrigeration evaporator 30, for the air-flow that controllably promotes to blow by refrigerating air duct
Component 20 flows to the storage space in refrigerator room 11 and the return air stream in the storage space in refrigerator room 11 is promoted to return
Refrigeration evaporator 30, to form airflow circulating.The air-supply air-flow that storage space is flowed under the driving of refrigeration blower 40 can be with
Be by refrigeration evaporator 30 exchange heat cooling air-flow (thering is refrigerant to flow through in refrigeration evaporator 30 at this time), be also possible to without
The air-flow (being flowed through in refrigeration evaporator 30 without refrigerant at this time) that refrigeration evaporator 30 exchanges heat.
Air volume distributor 50 is connected with refrigeration ducting assembly 20, for the distribution of air flow extremely refrigeration ducting assembly 20 that will blow
Multiple supply air ducts.Particularly, air volume distributor 50 is equipped with first heater 60, in 30 defrost of refrigeration evaporator
Controllably starting operation, to assist 30 defrost of refrigeration evaporator by airflow circulating.
The dual system wind cooling refrigerator 1 of the utility model passes through refrigeration ducting assembly 20, refrigeration evaporator 30, refrigeration blower 40
With the structure and Position Design of air volume distributor 50 so that empty where storage space in refrigerator room 11 and refrigeration evaporator 30
Between form airflow circulating.On this basis, the utility model is also specifically designed on the necessary air volume distributor 50 of circulating current
First heater 60 does not influence too much but not to the temperature in storage space, but also can be in refrigeration evaporator
Heat is generated by starting first heater 60 when 30 defrost, so that the heat is sent to refrigeration steaming with circulating for air-flow
The structure that device 30, refrigeration blower 40 or other circulating currents pass through is sent out, thus effectively to refrigeration evaporator 30, refrigeration blower 40
Deng progress defrost.
The utility model generates heat by heating device, and the sky of required position is transferred heat to using circulating current
Gasifying, white mode contact area is big, contact is uniform, and heating efficiency is high, therefore can carry out to refrigeration evaporator 30 thoroughly
Defrost is not only able to prevent the generation of the stifled phenomenon of frost, and can be avoided refrigeration 40 frosting of blower, thoroughly solves traditional
The problem of Defrost mode cannot thoroughly defrost to refrigeration evaporator in dual system refrigerator.
In some embodiments of the utility model, first heater 60 is set to the direction refrigeration of air volume distributor 50
The backward surface 50a of 11 liner rear wall of compartment.On the one hand, it may make the layout area of first heater 60 to increase, that is, increase
Contact area between heat and air-flow；On the other hand, due to the liner rear wall 111 of air volume distributor 50 and refrigerator room 11
Between space in air-supply air-flow will pass through air volume distributor 50, therefore, promote more air-supply air-flows and first add
Thermal 60 contacts, and improves the amount of the air for subsidiary heat, to substantially increase the defrosting effect of refrigeration evaporator 30
Rate and defrosting effect.
In some embodiments of the utility model, refrigeration blower 40 is set in air volume distributor 50.Air volume distributor
50 backward surface 50a offers air inlet 51, and the air-supply air-flow that refrigeration blower 40 drives enters allocation of the amount of air through air inlet 51
In device 50.First heater 60 is the heater strip provided around the air inlet 51, in order to the heat transfer generated
To the air of air inlet 51 near or around, air absorbs and passes through air inlet 51 into air volume distributor 50 after carrying heat
In.The position of first heater 60, which is provided with, directly, is rapidly transferred to air-supply air-flow conducive to heat.
Further, the heater strip can air volume distributor 50 it is rear to surface 50a arcuately curve detour extend, thus
The entire length for extending heater strip, increases heating area.
Further, every two adjacent fever sections of the heater strip are arranged at equal intervals, to improve fever
Uniformity increases the area that entire first heater 60 is covered, that is, increases the contact area with air, improves and adds
Heat transference efficiency and effect between heated filament and air.
In some embodiments of the utility model, refrigeration ducting assembly 20 includes air channel base plate 21, multiple supply air ducts
211 are formed in 21 air channel base plates, and each supply air duct 211 has one or more cold wind outlets 212, multiple supply air duct
211 are configured to enter the air-flow of outflow refrigeration ducting assembly 20 from multiple positions between the storing in refrigerator room 11 respectively
Room.Air channel base plate 21 can be the foam made of thermal insulation material, to avoid first heater 60 generate heat to storing
Compartment produces bigger effect.
Further, air volume distributor 50 is set in air channel base plate 21, and the peripheral surface of air volume distributor 50 opens up
There are multiple air outlets 52, each air outlet 52 supply air duct 211 connection corresponding in air channel base plate 21, so that logical
It crosses the air-flow after air volume distributor 50 distributes and flows to different supply air ducts 211 respectively.Each cold wind of each supply air duct 211
Outlet 212 is connected to the storage space at the different location in refrigerator room 11, to realize the different location to storage space
The purpose of place's difference delivery air.
In some embodiments of the utility model, refrigeration ducting assembly 20 further includes being set to 21 front side of air channel base plate
Air duct cover board 22, air duct cover board 22 are exposed to the storage space in refrigerator room 11, and offer multiple air outlets 221, each
Air outlet 221 is connected with corresponding cold wind outlet 212.That is, supply air duct 211 can pass through air duct cover board 22
On air outlet 221 be connected to storage space.
Further, it is equipped with electric control damper 222 at each air outlet 221, with controlled in 30 defrost of refrigeration evaporator
Ground is opened, to allow to form airflow circulating between the storage space and refrigeration evaporator 30 in refrigerator room 11.
In some embodiments of the utility model, the liner rear wall of refrigerator room 11 be equipped with before refrigeration evaporator 30
Corresponding secondary heating mechanism 70 afterwards, secondary heating mechanism 70 are configured in 30 defrost of refrigeration evaporator controllably with first
Heating device 60 starts simultaneously, to carry out heating defrosting to refrigeration evaporator 30.
That is, can control first heater 60 and secondary heating mechanism when refrigeration evaporator 30 carries out defrost
70 start simultaneously, and control the refrigeration starting operation of blower 40, are circulated with certain driving air-flow.Secondary heating mechanism 70 is with tradition
Mode heating defrosting carried out to refrigeration evaporator 30, i.e., the heat that secondary heating mechanism 70 generates directly heats refrigeration evaporator
30, remove frost layer thereon.The heat of first heater 60 is then transferred to the air circulated, in a manner of air circulation
It assists refrigeration evaporator 30 to defrost, while can also prevent frosting on refrigeration blower 40, thorough, the high-efficient and effect that defrosts is preferable.
When satisfaction exits the condition of defrosting, first heater 60 and secondary heating mechanism 70 are simultaneously stopped operation, move back
Defrost state out.The temperature that exiting the condition of defrosting can be at the refrigeration evaporator detected by temperature sensor reaches pre-
If temperature threshold, be also possible to defrosting duration reach preset duration.The environment temperature locating for the dual system wind cooling refrigerator 1
When spending different, the condition for the unlatching that defrosts and the condition for exiting defrosting may be different.
In some embodiments of the utility model, secondary heating mechanism 70 is to be attached at adding for 111 inside of liner rear wall
Heated filament.The power of secondary heating mechanism 70 can be greater than the power of first heater 60.In one embodiment, the first heating dress
The power for setting 60 can be 5W, and voltage rating can be 12V.
It will be understood by those skilled in the art that so-called "upper" in the utility model embodiment, "lower", "inner", "outside",
" cross ", "front", "rear" etc. are for indicating that the term of orientation or positional relationship is with the real use state of dual system wind cooling refrigerator 1
On the basis of for, these terms are merely for convenience of describing and understand the technical solution of the utility model, rather than indicate or
It implies that signified device or component must have a particular orientation, therefore should not be understood as limiting the present invention.
So far, although those skilled in the art will appreciate that the more of the utility model have been shown and described in detail herein
A exemplary embodiment still, still can be according to the utility model public affairs in the case where not departing from the spirit and scope of the utility model
The content opened directly determines or derives many other variations or modifications for meeting the utility model principle.Therefore, this is practical new
The range of type is understood that and regards as to cover all such other variations or modifications.
Claims (10)
1. a kind of dual system wind cooling refrigerator, including cabinet, refrigerator room and freezing compartment are defined in the cabinet, feature exists
In, further includes:
Ducting assembly is refrigerated, the indoor rear portion of the refrigerator is set to, and there are multiple supply air ducts, for guiding air-flow
Flow into the indoor storage space of the refrigerator；
Refrigeration evaporator is arranged between refrigeration ducting assembly and the liner rear wall of the refrigerator room, for being described
Storage space provides cooling air-flow；
Blower is refrigerated, the top of the refrigeration evaporator is set to, for controllably promoting air-supply air-flow to pass through the refrigeration wind
Road component flows to the storage space and the return air stream in the storage space is promoted to return to the refrigeration evaporator, thus
Form airflow circulating；And
Air volume distributor is connected with the refrigeration ducting assembly, for the distribution of air flow that will blow to the refrigeration ducting assembly
Multiple supply air ducts；Wherein
The air volume distributor is equipped with first heater, for controllably starting fortune in the refrigeration evaporator defrost
Row, to carry out defrost to the refrigeration evaporator by airflow circulating.
2. dual system wind cooling refrigerator according to claim 1, which is characterized in that
The first heater is set to the backward surface towards the refrigerator room liner rear wall of the air volume distributor.
3. dual system wind cooling refrigerator according to claim 2, which is characterized in that
The refrigeration blower is set in the air volume distributor；And
The backward surface of the air volume distributor offers air inlet, and the first heater is around the air inlet
The heater strip of setting.
4. dual system wind cooling refrigerator according to claim 3, which is characterized in that
The heater strip is in the rear to surface arcuately curve detour extension of the air volume distributor.
5. dual system wind cooling refrigerator according to claim 3, which is characterized in that
The refrigeration ducting assembly includes air channel base plate, and the multiple supply air duct is formed in the air channel base plate, Mei Gesuo
Stating supply air duct has one or more cold wind outlets, and the multiple supply air duct is configured to make to flow out the refrigeration ducting assembly
Air-flow respectively from multiple positions enter the indoor storage room of the refrigerator.
6. dual system wind cooling refrigerator according to claim 5, which is characterized in that
The peripheral surface of the air volume distributor offers multiple air outlets, and each air outlet is and described in corresponding one
Supply air duct connection, so that the air-flow after being distributed by the air volume distributor flows to the different supply air ducts respectively.
7. dual system wind cooling refrigerator according to claim 5, which is characterized in that
The refrigeration ducting assembly further includes the air duct cover board being set on front side of the air channel base plate, and the air duct cover board is exposed to
The indoor storage space of refrigerator, and multiple air outlets are offered, each air outlet is and described in corresponding one
Cold wind outlet is connected.
8. dual system wind cooling refrigerator according to claim 7, which is characterized in that
It is equipped with electric control damper at each air outlet, controllably to open in the refrigeration evaporator defrost, to permit
Perhaps airflow circulating is formed between the described indoor storage space of refrigerator and the refrigeration evaporator.
9. dual system wind cooling refrigerator according to claim 1, which is characterized in that
The liner rear wall of the refrigerator room is equipped with secondary heating mechanism corresponding with the refrigeration evaporator front and back, described
Secondary heating mechanism is configured to controllably start simultaneously with the first heater in the refrigeration evaporator defrost, with right
The refrigeration evaporator carries out heating defrosting.
10. dual system wind cooling refrigerator according to claim 9, which is characterized in that
The secondary heating mechanism is the heater strip being attached on the inside of the liner rear wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820601101.8U CN208312835U (en) | 2018-04-25 | 2018-04-25 | Dual system wind cooling refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820601101.8U CN208312835U (en) | 2018-04-25 | 2018-04-25 | Dual system wind cooling refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208312835U true CN208312835U (en) | 2019-01-01 |
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ID=64712894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820601101.8U Active CN208312835U (en) | 2018-04-25 | 2018-04-25 | Dual system wind cooling refrigerator |
Country Status (1)
| Country | Link |
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| CN (1) | CN208312835U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111121362A (en) * | 2019-12-31 | 2020-05-08 | 青岛海尔电冰箱有限公司 | Refrigerating device |
| CN114076468A (en) * | 2020-08-18 | 2022-02-22 | 青岛海尔电冰箱有限公司 | Refrigerator with evaporator arranged at bottom of refrigerator body |
| CN114812051A (en) * | 2022-05-25 | 2022-07-29 | 珠海格力电器股份有限公司 | Refrigerator and defrosting control method of evaporator thereof |
-
2018
- 2018-04-25 CN CN201820601101.8U patent/CN208312835U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111121362A (en) * | 2019-12-31 | 2020-05-08 | 青岛海尔电冰箱有限公司 | Refrigerating device |
| CN114076468A (en) * | 2020-08-18 | 2022-02-22 | 青岛海尔电冰箱有限公司 | Refrigerator with evaporator arranged at bottom of refrigerator body |
| CN114812051A (en) * | 2022-05-25 | 2022-07-29 | 珠海格力电器股份有限公司 | Refrigerator and defrosting control method of evaporator thereof |
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