CN103499173B - Anti-freeze air door and be provided with the wind cooling refrigerator of anti-freeze air door - Google Patents

Anti-freeze air door and be provided with the wind cooling refrigerator of anti-freeze air door Download PDF

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Publication number
CN103499173B
CN103499173B CN201310459256.4A CN201310459256A CN103499173B CN 103499173 B CN103499173 B CN 103499173B CN 201310459256 A CN201310459256 A CN 201310459256A CN 103499173 B CN103499173 B CN 103499173B
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CN
China
Prior art keywords
air
air door
air flap
flap
freeze
Prior art date
Application number
CN201310459256.4A
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Chinese (zh)
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CN103499173A (en
Inventor
何晖
李开元
王鸿海
胡新慧
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河南新飞制冷器具有限公司
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Priority to CN201310459256.4A priority Critical patent/CN103499173B/en
Publication of CN103499173A publication Critical patent/CN103499173A/en
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Publication of CN103499173B publication Critical patent/CN103499173B/en

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Abstract

The invention discloses a kind of anti-freeze air door, comprise installing rack, air flap and micromachine, air flap and micromachine installing rack be equipped with, installing rack is provided with wind passage mouth, the output shaft of micromachine is connected with described air flap, close described wind passage mouth when air flap cuts out, open described wind passage mouth when air flap rotarily opens, described air flap is provided with samming hole.The present invention beats some apertures on air flap, drains to refrigerating chamber by aperture by the cold of refrigerating chamber is micro-.The invention also discloses a kind of wind cooling refrigerator being provided with anti-freeze air door.By test, after arranging samming hole, the temperature of air door refrigerating chamber one side is :-19.32 DEG C ~-5.45 DEG C.Namely be equivalent to make air door be in less than 0 DEG C in the temperature of refrigerating chamber side, whole like this anti-freeze air door is all in less than 0 DEG C environment, reduces the risk of air door place condensation, thus avoids air door frozen when closing or open.

Description

Anti-freeze air door and be provided with the wind cooling refrigerator of anti-freeze air door
Technical field
The present invention relates to wind cooling refrigerator technical field, particularly relate to the air door structure of wind cooling refrigerator.
Background technology
Wind cooling refrigerator mainly reaches refrigeration by wind circulation.The refrigerating evaporator Pipe installing of wind cooling refrigerator is at refrigerating chamber, and simultaneously fan electromotor is also arranged on the top of freezer evaporator, and during compressor operating, fan electromotor is energized running simultaneously, by fan forced convection, cold air is delivered to refrigerating chamber and refrigerator space.Therefore between refrigerating chamber and refrigerating chamber, air door is housed, is controlled the temperature of refrigerating chamber by the opening and closing controlling air door.
As can be seen here, air door is the throat thoroughfare of contact refrigerating chamber and refrigerating chamber.
As shown in Figure 1, existing MOD comprises installing rack 1, and installing rack is provided with wind passage mouth 2, installing rack is hinged with the air flap 3 for closing or open described wind passage mouth 2.Installing rack 1 is also provided with micromachine, and the output shaft of micromachine is connected with air flap 3.Scheme this micromachine not shown.Air flap 3 is provided with electric heater unit 4 in refrigerating chamber side.
Due to the effect of heat insulation difference of air door and the leakage heat in air door closedown gap, the temperature on air door is minimum at about-16 DEG C, and by test, the temperature of air door refrigerating chamber side is :-13.05 DEG C ~ 2.68 DEG C, and the temperature of refrigerating chamber then controls at 3-9 DEG C.When air door is closed, air themperature in refrigerating chamber is higher than the temperature on air flap, the air with moisture that such refrigerating chamber is relatively warm just likely condenses at air door, condensation water is met low temperature constipation and is become ice pellets, in the course of time air flap can be frozen in, can not, according to the flexible opening and closing of program, a room refrigeration will be caused so abnormal.
To be frozen in and can not the technical problem of opening and closing flexibly for solving air door, the air door of use at present to have electric heater unit, as shown in Figure 1.The power of this electric heater unit is generally 1-2W.Electric heater unit is the frost melted by mode of heating on air flap, thus reaches the object of anti-freeze.Electric heater unit inevitably increases power consumption at work, also can increase material cost during fabrication.
Summary of the invention
The object of the present invention is to provide and a kind ofly air door can be prevented to be frozen in and can not the anti-freeze air door of opening and closing flexibly.
For achieving the above object, anti-freeze air door of the present invention comprises installing rack, air flap and micromachine, described air flap and described micromachine installing rack be equipped with, installing rack is provided with wind passage mouth, the output shaft of micromachine is connected with described air flap, close described wind passage mouth when air flap cuts out, open described wind passage mouth when air flap rotarily opens, described air flap is provided with samming hole.
Described samming hole is evenly provided with more than three on described air flap.
Described samming hole is circular.
The present invention also aims to provide a kind of wind cooling refrigerator being provided with anti-freeze air door.
For achieving the above object, wind cooling refrigerator of the present invention comprises refrigerator body, is provided with air channel in refrigerator body, is provided with anti-freeze air door in described air channel; Described anti-freeze air door comprises installing rack, air flap and micromachine, described air flap and described micromachine installing rack be equipped with, installing rack is provided with wind passage mouth, the output shaft of micromachine is connected with described air flap, close described wind passage mouth when air flap cuts out, open described wind passage mouth when air flap rotarily opens, described air flap is provided with samming hole; Described samming hole is evenly provided with more than three on described air flap; Described samming hole is circular.
The present invention has following advantage:
Anti-freeze air door of the present invention does not change the agent structure of MOD and refrigerator itself, is suitable for transforming on the basis of existing MOD and wind cooling refrigerator.The electric heater unit that air flap is in the past arranged removes by the present invention, has thus saved material cost.The present invention beats some apertures on air flap, drains to refrigerating chamber by aperture by the cold of refrigerating chamber is micro-.By test, after arranging samming hole, the temperature of air door refrigerating chamber one side is :-19.32 DEG C ~-5.45 DEG C.Namely be equivalent to make air door be in less than 0 DEG C in the temperature of refrigerating chamber side, whole like this anti-freeze air door is all in less than 0 DEG C environment, reduces the risk of air door place condensation, thus avoids air door frozen when closing or open.
The crucial part of the present invention is: due to temperature wind cooling refrigerator being in the air flap place in air channel extremely low (far below zero degree), and the air in the past refrigerating more than 0 DEG C, side touches air flap and is easy to produce condensation frosting.The present invention then makes the temperature difference of air flap both sides be less than 1 DEG C by air flap punching, and the temperature of both sides is all in less than-5 DEG C, the air of this specimen chamber refrigeration more than 0 DEG C, side does not reach air flap, would not frosting on air flap yet, thus it is frozen to avoid air door.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing air door;
The perspective view of anti-freeze air door of the present invention when Fig. 2 is air flap unlatching;
The structural representation of anti-freeze air door of the present invention when Fig. 3 is the closedown of using state lower wind door sheet.
Detailed description of the invention
As shown in Fig. 2-Fig. 3, anti-freeze air door of the present invention comprises the installing rack 1 for being arranged in wind cooling refrigerator air channel, wind passage mouth 2 and micromachine installing rack 1 be equipped with, installing rack 1 is provided with wind passage mouth 2, installing rack 1 is hinged with air flap 3, the output shaft of micromachine is connected with described air flap 3.Micromachine is the conventional components of existing MOD, schemes this micromachine not shown.Close described wind passage mouth 2 when air flap 3 cuts out, open described wind passage mouth 2 when air flap 3 rotarily opens, described air flap 3 is provided with samming hole 5.Described samming hole 5 is preferably evenly provided with more than three on described air flap 3, is 5 samming holes 5 shown in Fig. 2.Described samming hole 5 is preferably circular.
The present embodiment additionally provides a kind of wind cooling refrigerator being provided with above-mentioned anti-freeze air door, comprises refrigerator body, is provided with air channel in refrigerator body, and described anti-freeze air door (its concrete structure is the same, repeats no more herein) is located in described air channel.In wind cooling refrigerator, arrange air channel and air door is this area routine techniques, figure does not show the concrete structure of described wind cooling refrigerator.
In Fig. 3, A place is the air channel of air door refrigerating chamber side, is the air channel of air door refrigerating chamber side in Fig. 3 shown in B.By test, when not arranging samming hole 5, the temperature of air door refrigerating chamber one side is :-13.05 ~ 2.68 DEG C in the past, and after arranging samming hole 5, the temperature of air door refrigerating chamber one side is :-19.32 DEG C ~-5.45 DEG C.Even if the temperature of air door refrigerating chamber side is in less than 0 DEG C always, whole like this anti-freeze air door is all in less than 0 DEG C environment, reduces the risk of air door place condensation, thus avoids air door frozen when closing or open.
In the past for the frozen problem of air door condensation frosting, those skilled in the art are the strategies of defrost after the first condensation frosting of employing always, can not avoid the frozen phenomenon of air door completely, and can increase power consumption when defrost, arranging electric heater unit itself in addition also can increase material cost.
By contrast, the present invention then have employed and makes air door place not can the technical thought of condensation frosting, has fundamentally stopped the frozen phenomenon of air door, and can not increase power consumption and material cost.
When designing, those skilled in the art have the ability on basis of the present invention, according to the different concrete conditions (size etc. as refrigerating chamber, refrigerating chamber) of refrigerator body, by controlling diameter and the quantity in samming hole 5 on air flap 3, control speed and the scope of leaking heat (cold), thus the heat energy making this slightly leak is not enough to the temperature affecting refrigerating chamber.

Claims (4)

1. anti-freeze air door, comprise installing rack, air flap and micromachine, described air flap and described micromachine installing rack be equipped with, installing rack is provided with wind passage mouth, the output shaft of micromachine is connected with described air flap, close described wind passage mouth when air flap cuts out, open described wind passage mouth when air flap rotarily opens, it is characterized in that: described air flap is provided with samming hole.
2. anti-freeze air door according to claim 1, is characterized in that: described samming hole is evenly provided with more than three on described air flap.
3. anti-freeze air door according to claim 2, is characterized in that: described samming hole is for circular.
4. be provided with the wind cooling refrigerator of anti-freeze air door, comprise refrigerator body, in refrigerator body, be provided with air channel, it is characterized in that: in described air channel, be provided with anti-freeze air door;
Described anti-freeze air door comprises installing rack, air flap and micromachine, described air flap and described micromachine installing rack be equipped with, installing rack is provided with wind passage mouth, the output shaft of micromachine is connected with described air flap, close described wind passage mouth when air flap cuts out, open described wind passage mouth when air flap rotarily opens, described air flap is provided with samming hole; Described samming hole is evenly provided with more than three on described air flap; Described samming hole is circular.
CN201310459256.4A 2013-09-30 2013-09-30 Anti-freeze air door and be provided with the wind cooling refrigerator of anti-freeze air door CN103499173B (en)

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CN201310459256.4A CN103499173B (en) 2013-09-30 2013-09-30 Anti-freeze air door and be provided with the wind cooling refrigerator of anti-freeze air door

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Application Number Priority Date Filing Date Title
CN201310459256.4A CN103499173B (en) 2013-09-30 2013-09-30 Anti-freeze air door and be provided with the wind cooling refrigerator of anti-freeze air door

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CN103499173A CN103499173A (en) 2014-01-08
CN103499173B true CN103499173B (en) 2016-02-03

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104896842B (en) * 2015-05-29 2017-07-18 合肥美的电冰箱有限公司 A kind of leeward guidance tape, ducting assembly and refrigerator
KR101741751B1 (en) * 2015-06-17 2017-05-31 동부대우전자 주식회사 Refrigerator having cool airflowload damper apparatus and controlling method for the same
CN105928297B (en) * 2016-06-14 2018-03-20 安徽省宁国天成电工有限公司 A kind of MOD of the anti-condensation plate of band
CN107178948B (en) * 2017-06-14 2020-06-02 合肥华凌股份有限公司 Freezer and air duct assembly thereof
CN109798724A (en) * 2017-11-16 2019-05-24 合肥华凌股份有限公司 The control method and control device and equipment of damper assemblies
CN109798723A (en) * 2017-11-16 2019-05-24 合肥华凌股份有限公司 The control method and control device and equipment of damper assemblies
CN110906614A (en) * 2018-09-17 2020-03-24 青岛海尔股份有限公司 Air-cooled refrigerator
CN109405406B (en) * 2018-10-18 2020-07-03 长虹美菱股份有限公司 Refrigerator refrigerating method and device

Citations (5)

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Publication number Priority date Publication date Assignee Title
CN1146005A (en) * 1995-06-16 1997-03-26 大宇电子株式会社 Refrigerator having cool air dispensing shelf
CN2716768Y (en) * 2004-07-03 2005-08-10 海信集团有限公司 Direct cooling refrigerator
CN2760475Y (en) * 2004-12-30 2006-02-22 财团法人工业技术研究院 Device for adjusting icebox air door
CN201066224Y (en) * 2007-06-28 2008-05-28 海信(北京)电器有限公司 Double air door wind-cooling refrigerator
CN202350416U (en) * 2011-11-30 2012-07-25 海尔集团公司 Refrigeration equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1146005A (en) * 1995-06-16 1997-03-26 大宇电子株式会社 Refrigerator having cool air dispensing shelf
CN2716768Y (en) * 2004-07-03 2005-08-10 海信集团有限公司 Direct cooling refrigerator
CN2760475Y (en) * 2004-12-30 2006-02-22 财团法人工业技术研究院 Device for adjusting icebox air door
CN201066224Y (en) * 2007-06-28 2008-05-28 海信(北京)电器有限公司 Double air door wind-cooling refrigerator
CN202350416U (en) * 2011-11-30 2012-07-25 海尔集团公司 Refrigeration equipment

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