CN103499173A - Anti-freezing air door and air cooling refrigerator with same - Google Patents
Anti-freezing air door and air cooling refrigerator with same Download PDFInfo
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- CN103499173A CN103499173A CN201310459256.4A CN201310459256A CN103499173A CN 103499173 A CN103499173 A CN 103499173A CN 201310459256 A CN201310459256 A CN 201310459256A CN 103499173 A CN103499173 A CN 103499173A
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Abstract
The invention discloses an anti-freezing air door which comprises an installation frame, an air flap and a micro motor. The air flap and the micro motor are arranged on the installation frame, an air channel opening is formed in the installation frame, and an output shaft of the micro motor is connected with the air flap. When the air flap is closed, the air channel opening is sealed. When the air flap rotates, the air channel opening is opened. Temperature equalizing holes are formed in the air flap. By means of the holes formed in the air flaps, cooling capacity in a freezing chamber can slightly leaks into a refrigerating chamber through the holes. The invention further discloses an air cooling refrigerator with the anti-freezing air door. Tests show that the temperature of one side of refrigerating chamber can be -19.32 DEG C to -5.45 DEG C after the holes are formed in the air doors. Namely, the temperature of the refrigerating chamber side of the air door is below 0 DEG C. Thus, the whole anti-freezing air door is all in an environment below 0 DEG C, the condensation risk at the air door is reduced, and the air door is prevented from being frozen after the air door is closed or opened.
Description
Technical field
The present invention relates to the wind cooling refrigerator technical field, relate in particular to the air door structure of wind cooling refrigerator.
Background technology
Wind cooling refrigerator is mainly that circulation reaches refrigeration by wind.The refrigerating evaporator pipeline of wind cooling refrigerator is arranged on refrigerating chamber, and simultaneously fan electromotor also is arranged on the top of freezer evaporator, and during compressor operating, the fan electromotor running of simultaneously switching on, lean on fan forced convection, and cold air is delivered to refrigerating chamber and refrigerating chamber space.Therefore between refrigerating chamber and refrigerating chamber, air door is housed, controls the temperature of refrigerating chamber by the switching of 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, on installing rack, is hinged with for sealing or open the air flap 3 of described wind passage mouth 2.Also be provided with micromachine on installing rack 1, the output shaft of micromachine is connected with air flap 3.Scheme not shown this micromachine.Air flap 3 is provided with electric heater unit 4 in refrigerating chamber one side.
Due to the leakage heat that the effect of heat insulation of air door is poor and air door is closed gap, the temperature on air door is minimum-16 ℃ of left and right, and by test, the temperature of air door refrigerating chamber side is :-13.05 ℃~2.68 ℃, the temperature of refrigerating chamber is controlled at 3-9 ℃.When air door is closed, air themperature in refrigerating chamber is higher than the temperature on air flap, the air with moisture that refrigerating chamber is relatively warm like this is just likely in the air door dewfall, condensation water is met the low temperature constipation and is become ice pellets, in the course of time air flap can be frozen in, can not open and close flexibly according to program, will cause like this chamber refrigeration undesired.
The technical problem that is frozen in and can not opens and closes flexibly for solving air door, have electric heater unit on the air door used at present, as shown in Figure 1.The power of this electric heater unit is generally 1-2W.Electric heater unit is to melt the frost on air flap by mode of heating, thereby reaches the purpose of anti-freeze.Electric heater unit unavoidably can increase 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 can prevent that air door is frozen in and the anti-freeze air door that can not open and close 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 are housed on installing rack, installing rack is provided with wind passage mouth, the output shaft of micromachine is connected with described air flap, seal 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 the samming hole.
Described samming hole evenly is 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 that is provided with the 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 the 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 are housed on installing rack, installing rack is provided with wind passage mouth, the output shaft of micromachine is connected with described air flap, seal 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 the samming hole; Described samming hole evenly is provided with more than three on described air flap; Described samming hole is circular.
The present invention has advantages of as follows:
Anti-freeze air door of the present invention does not change the agent structure of MOD and refrigerator itself, is suitable for being transformed on the basis of existing MOD and wind cooling refrigerator.The electric heater unit that the present invention will be in the past arranges on air flap removes, thereby has saved material cost.The present invention beats some apertures on air flap, by aperture by the micro-refrigerating chamber that drains to of the cold of refrigerating chamber.By test, the temperature that air door refrigerating chamber one side behind the samming hole is set is :-19.32 ℃~-5.45 ℃.Be equivalent to make air door in the temperature of refrigerating chamber side in below 0 ℃, whole like this anti-freeze air door, all in environment below 0 ℃, reduces the risk of air door place condensation, thereby avoids air door frozen when closing or open.
The crucial part of the present invention is: due to the temperature extremely low (far below zero degree) at the air flap place in air channel on wind cooling refrigerator, refrigerated the air of side more than 0 ℃ in the past and touch air flap and be easy to produce the condensation frosting.The present invention is less than 1 ℃ by the air flap temperature difference that makes the air flap both sides of punching, and the temperature of both sides is all in below-5 ℃, the air of this specimen chamber refrigeration side more than 0 ℃ do not reach air flap, just can frosting on air flap yet, thus avoided air door frozen.
The 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 the air flap unlatching;
Fig. 3 is the structural representation of use state lower wind door sheet anti-freeze air door of the present invention while closing.
The specific embodiment
As shown in Fig. 2-Fig. 3, anti-freeze air door of the present invention comprises for being arranged on the installing rack 1 in the wind cooling refrigerator air channel, wind passage mouth 2 and micromachine are housed on installing rack 1, installing rack 1 is provided with wind passage mouth 2, be hinged with air flap 3 on installing rack 1, the output shaft of micromachine is connected with described air flap 3.Micromachine is the conventional components of existing MOD, schemes not shown this micromachine.Air flap 3 seals described wind passage mouth 2 while cutting out, open described wind passage mouth 2 when air flap 3 rotarily opens, and described air flap 3 is provided with samming hole 5.Described samming hole 5 preferably evenly is provided with more than three on described air flap 3, shown in Fig. 2, is 5 samming holes 5.Described samming hole 5 is preferably circle.
The present embodiment also provides a kind of wind cooling refrigerator that is 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.It is this area routine techniques that air channel and air door are set in wind cooling refrigerator, and figure does not show the concrete structure of described wind cooling refrigerator.
The air channel that in Fig. 3, the A place is air door refrigerating chamber side, in Fig. 3, the B place is shown the air channel of air door refrigerating chamber side.By test, while samming hole 5 not being set, the temperature of air door refrigerating chamber one side is in the past :-13.05~2.68 ℃, the temperature that the rear air door refrigerating chamber one side in samming hole 5 is set is :-19.32 ℃~-5.45 ℃.Even the temperature of air door refrigerating chamber side is always in below 0 ℃, whole like this anti-freeze air door, all in environment below 0 ℃, reduces the risk of air door place condensation, thereby 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 fully, and can increase power consumption when defrost, electric heater unit itself is set in addition also can increase material cost.
By contrast, the present invention has adopted and has made the technical thought that the air door place not can the condensation frosting, has fundamentally stopped the frozen phenomenon of air door, and can not increase power consumption and material cost.
When design, those skilled in the art have the ability on basis of the present invention, according to the different concrete conditions of refrigerator body (as size of refrigerating chamber, refrigerating chamber etc.), by controlling diameter and the quantity in samming hole 5 on air flap 3, control speed and the scope of leaking heat (cold), thereby the heat energy that this is leaked slightly is not enough to affect the temperature of refrigerating chamber.
Claims (4)
1. anti-freeze air door, comprise installing rack, air flap and micromachine, described air flap and described micromachine are housed on installing rack, installing rack is provided with wind passage mouth, the output shaft of micromachine is connected with described air flap, seal 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 the samming hole.
2. anti-freeze air door according to claim 1, it is characterized in that: described samming hole evenly is 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, be provided with air channel in refrigerator body, it is characterized in that: be provided with the 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 are housed on installing rack, installing rack is provided with wind passage mouth, the output shaft of micromachine is connected with described air flap, seal 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 the samming hole; Described samming hole evenly is provided with more than three on described air flap; Described samming hole is circular.
Priority Applications (1)
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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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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 true CN103499173A (en) | 2014-01-08 |
CN103499173B CN103499173B (en) | 2016-02-03 |
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CN201310459256.4A Active 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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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104197617A (en) * | 2014-09-26 | 2014-12-10 | 合肥美的电冰箱有限公司 | Electric ventilation door and refrigerator |
CN104896842A (en) * | 2015-05-29 | 2015-09-09 | 合肥美的电冰箱有限公司 | Lower air duct plate, air duct assembly and refrigerator |
CN105928297A (en) * | 2016-06-14 | 2016-09-07 | 安徽省宁国天成电工有限公司 | Electrical damper with anti-condensation plate |
CN106257191A (en) * | 2015-06-17 | 2016-12-28 | 东部大宇电子株式会社 | Cold air channel damper assemblies with flexible antifreeze component |
CN107178948A (en) * | 2017-06-14 | 2017-09-19 | 合肥华凌股份有限公司 | Refrigerator and its ducting assembly |
CN109405406A (en) * | 2018-10-18 | 2019-03-01 | 长虹美菱股份有限公司 | A kind of refrigeration for refrigerator method and device |
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 |
CN113091374A (en) * | 2019-12-23 | 2021-07-09 | 日立环球生活方案株式会社 | Refrigerator with a door |
CN114659329A (en) * | 2022-04-29 | 2022-06-24 | 长虹美菱股份有限公司 | Anti-freezing control method for electric air door |
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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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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 |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104197617A (en) * | 2014-09-26 | 2014-12-10 | 合肥美的电冰箱有限公司 | Electric ventilation door and refrigerator |
CN104896842A (en) * | 2015-05-29 | 2015-09-09 | 合肥美的电冰箱有限公司 | Lower air duct plate, air duct assembly and refrigerator |
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 |
CN106257191A (en) * | 2015-06-17 | 2016-12-28 | 东部大宇电子株式会社 | Cold air channel damper assemblies with flexible antifreeze component |
CN105928297A (en) * | 2016-06-14 | 2016-09-07 | 安徽省宁国天成电工有限公司 | Electrical damper with anti-condensation plate |
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 |
CN107178948A (en) * | 2017-06-14 | 2017-09-19 | 合肥华凌股份有限公司 | Refrigerator and its ducting assembly |
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 |
CN110906614B (en) * | 2018-09-17 | 2021-11-26 | 海尔智家股份有限公司 | Air-cooled refrigerator |
CN109405406A (en) * | 2018-10-18 | 2019-03-01 | 长虹美菱股份有限公司 | A kind of refrigeration for refrigerator method and device |
CN109405406B (en) * | 2018-10-18 | 2020-07-03 | 长虹美菱股份有限公司 | Refrigerator refrigerating method and device |
CN113091374A (en) * | 2019-12-23 | 2021-07-09 | 日立环球生活方案株式会社 | Refrigerator with a door |
CN114659329A (en) * | 2022-04-29 | 2022-06-24 | 长虹美菱股份有限公司 | Anti-freezing control method for electric air door |
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