CN102261784A - Frostless refrigerator and control method thereof - Google Patents
Frostless refrigerator and control method thereof Download PDFInfo
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- CN102261784A CN102261784A CN2011102279523A CN201110227952A CN102261784A CN 102261784 A CN102261784 A CN 102261784A CN 2011102279523 A CN2011102279523 A CN 2011102279523A CN 201110227952 A CN201110227952 A CN 201110227952A CN 102261784 A CN102261784 A CN 102261784A
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- heater strip
- frost
- air channel
- free refrigerator
- heating wire
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Abstract
The invention relates to a frostless refrigerator and a control method thereof. The frostless refrigerator comprises a refrigerating chamber and an air duct system, wherein an additional heating wire and a magnetic sensitive switch connected with the additional heating wire are installed on the back of the refrigerating chamber; the magnetic sensitive switch is used to control the heating wire, when the ambient temperature t is lower than or equal to t1, a heating wire control circuit is switched on and the heating wire starts to work; when the circuit is switched on and the ambient temperature t is higher than or equal to t2, the magnetic sensitive switch acts and the heating wire control circuit is switched off, the heating wire stop heating until t is less than or equal to t1 and the circuit is switched on again; if t is less than t2, the heating wire control circuit is switched on all the time. According to the invention, through increasing refrigerated load and refrigerated cycle wind, the functional faults, such as frosting and icing in an air duct system and the like, caused by less cycle wind when the refrigerator is used in a low-temperature harsh environment, can be solved, thus the stability and reliability of the mechanical frostless refrigerator can be improved.
Description
Technical field
The invention belongs to technical field of electrical equipment, particularly a kind of frost-free refrigerator and control method.
Background technology
For the direct-cooled household refrigerator-freezer of single system machinery, generally a compensating heater is arranged at present, do not start and the freezing problem that can not realize storage temperature that causes to solve at low temperature environment lower compression machine at refrigerating chamber; And for frost-free refrigerator, particularly mechanical frost-free refrigerator, a problem that is generally faced is: when using under low temperature environment, though can satisfy the freezer temperature requirement by the method for turning air door down, but might be little because of refrigeration demand air circulation, high and use when frequent when environment for use humidity, cause in the ducting system moisture band not walked and cause frosting, freeze, even result in blockage and cause functional fault.At this problem, the method that present computer frost-free refrigerator is taked to add heater strip and electronic damper control usually on the air channel solves, but mechanical refrigerator is not because the limitation of control has the obvious and effective solution usually.
Summary of the invention
The problem to be solved in the present invention is that a kind of frostless mechanical refrigerator and control method thereof that can solve the functional fault problem that causes because the refrigeration cycle air quantity is little when using under the low temperature adverse circumstances is provided at the deficiencies in the prior art.
For achieving the above object, first technical scheme of the present invention is: a kind of frost-free refrigerator comprises refrigerating chamber and ducting system, described refrigerating chamber back installing compensation heater strip and the magnetosensitive switch that is connected with the compensation heater strip.
Further, be provided with an air channel heater strip in the described ducting system at least, described air channel heater strip is connected with the magnetosensitive switch.
Further, described compensation heater strip is located in the alveolar layer of refrigerating chamber back.
Further, described air channel heater strip is located in the ducting system frosting or icing position easily.
Further, described air channel heater strip comprises air channel heater strip and air channel heater strip, is arranged in the refrigeration supply air duct mouth and the refrigeration return airway mouth that are connected with the evaporator of refrigerator chamber.
Second technical scheme of the present invention is:
A kind of control method of frost-free refrigerator, the refrigerating chamber back of frost-free refrigerator is equiped with the compensation heater strip, is provided with the air channel heater strip in the ducting system, and the compensation heater strip all is connected the magnetosensitive switch with the air channel heater strip, it is characterized in that: comprise the following steps:
The first step: the refrigerator operation that powers on, magnetosensitive inductive switching environment temperature t;
Second step: when environment temperature t≤t1, the heater strip circuit is connected, and heater strip begins heating; When environment temperature t 〉=t2, the heater strip circuit disconnects, and heater strip stops heating;
Preferably, described t1 is 10 ℃.
Preferably, described t2 is 16 ℃.
Preferably, described compensation heater strip and air channel heater strip power are 4 watts to 10 watts.
Compared with prior art, the present invention has following beneficial effect:
The present invention increases a compensation heater strip in frostless mechanical refrigerator refrigerating chamber, increase heater strip in easy frosting or icing position, air channel simultaneously, utilize the magnetosensitive switch to come to realize the switch of heater strip is controlled, thereby improve the stability and the reliability of frostless mechanical refrigerator effectively according to the variation of environment temperature.
Description of drawings
Fig. 1 is a frost-free refrigerator structure chart of the present invention;
Fig. 2 is the schematic diagram of frost-free refrigerator ducting system of the present invention;
Fig. 3 is a frost-free refrigerator control method flow chart of the present invention.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the present invention is described in detail.
As depicted in figs. 1 and 2, the invention discloses a kind of frost-free refrigerator, comprise refrigerating chamber and ducting system, installing compensation heater strip 2 in the refrigerating chamber 1 back alveolar layer, air channel heater strip 4 is arranged in refrigeration supply air duct mouth 3 and the refrigeration return airway mouth 7 that is connected with the evaporimeter chamber in the ducting system with air channel heater strip 5, compensation heater strip 2, air channel heater strip 4 all is connected with magnetosensitive switch 6 with air channel heater strip 5.Magnetosensitive switch 6 can be installed in the timer lid of back, also can be installed in other positions to the environment temperature sensitivity.Compensation heater strip 2, air channel heater strip 4 and air channel heater strip 5 adopt the heater of 4 watts of power usually, and the position of air channel heater strip 4 and air channel heater strip 5 power and power can specifically be adjusted according to the size and the layout in air channel.
Fig. 3 is the control method flow chart, utilizes magnetosensitive switch 6 to compensation heater strip 2, and air channel heater strip 4 and air channel heater strip 5 are controlled:
When environment temperature t≤t1,6 actions of magnetosensitive switch, heating strip control circuit is connected, and heater strip begins heating;
Under on-state: when environment temperature t 〉=t2,6 actions of magnetosensitive switch, heating strip control circuit disconnects, and heater strip stops heating and just recloses when t≤t1; If t＜t2, then the heater strip circuit is connected always;
T1 gets 10 ℃ usually, and t2 gets 16 ℃ usually.
The present invention increases the air circulation of refrigeration by increasing the refrigeration load, has solved when using under the low temperature adverse circumstances and may wait functional fault because the ducting system frosting that air circulation causes is for a short time frozen, and improves the stability and the reliability of mechanical frost-free refrigerator.
The present invention increases a compensation heater strip in frostless mechanical refrigerator refrigerating chamber, increase the air channel heater strip in easy frosting or icing position, air channel simultaneously, utilize the magnetosensitive switch to come to realize the switch of heater is controlled, thereby effectively improve the stability and the reliability of frostless mechanical refrigerator according to the variation of environment temperature.Have following characteristics:
1) increases a compensation heater strip at mechanical frost-free refrigerator refrigerating chamber;
2) in mechanical frost-free refrigerator ducting system, increase the air channel heater strip;
3) increasing the magnetosensitive switch in mechanical frost-free refrigerator realizes according to variation of ambient temperature heater being controlled;
4) choose suitable heater strip and position according to the virtual condition of casing;
5) choose suitable t1 and t2, realize effective control heater strip;
6) under low temperature environment, can satisfy the cryogenic temperature requirement when guaranteeing the refrigeration cycle air quantity under not by the prerequisite of excessively turning air door down.
Claims (9)
1. a frost-free refrigerator comprises refrigerating chamber and ducting system, it is characterized in that: described refrigerating chamber (1) back installing compensation heater strip (2) and the magnetosensitive switch (6) that is connected with compensation heater strip (2).
2. frost-free refrigerator according to claim 1 is characterized in that: be provided with an air channel heater strip in the described ducting system at least, described air channel heater strip is connected with magnetosensitive switch (6).
3. frost-free refrigerator according to claim 1 is characterized in that: described compensation heater strip (2) is located in the alveolar layer of refrigerating chamber (1) back.
4. frost-free refrigerator according to claim 2 is characterized in that: described air channel heater strip is located at easy frosting or icing position in the ducting system.
5. frost-free refrigerator according to claim 4, it is characterized in that: described air channel heater strip comprises air channel heater strip (4) and air channel heater strip (5), is separately positioned on the refrigeration supply air duct mouth (3) and the refrigeration return airway mouth (7) that are connected with the evaporator of refrigerator chamber.
6. the control method of a frost-free refrigerator, the refrigerating chamber back of frost-free refrigerator is equiped with compensation heater strip (2), be provided with the air channel heater strip in the ducting system, compensation heater strip (2) all is connected magnetosensitive switch (6) with the air channel heater strip, it is characterized in that: comprise the following steps:
The first step: the refrigerator operation that powers on, magnetosensitive switch (6) induced environment temperature t;
Second step: when environment temperature t≤t1, magnetosensitive switch (6) action, heating strip control circuit is connected, and heater strip begins heating;
The 3rd step: under on-state, when environment temperature t 〉=t2, magnetosensitive switch (6) action, heating strip control circuit disconnects, and heater strip stops heating and just recloses when t≤t1; If t＜t2, then the heater strip circuit is connected always.
7. the control method of frost-free refrigerator according to claim 6, it is characterized in that: described t1 is 10 ℃.
8. the control method of frost-free refrigerator according to claim 6, it is characterized in that: described t2 is 16 ℃.
9. the control method of frost-free refrigerator according to claim 6, it is characterized in that: described compensation heater strip (2) and air channel heater strip power are 4 watts to 10 watts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110227952 CN102261784B (en) | 2011-08-10 | 2011-08-10 | Control method of frostless refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110227952 CN102261784B (en) | 2011-08-10 | 2011-08-10 | Control method of frostless refrigerator |
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| CN102261784A true CN102261784A (en) | 2011-11-30 |
| CN102261784B CN102261784B (en) | 2013-03-13 |
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| CN 201110227952 Active CN102261784B (en) | 2011-08-10 | 2011-08-10 | Control method of frostless refrigerator |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494462A (en) * | 2011-12-06 | 2012-06-13 | 合肥美的荣事达电冰箱有限公司 | Refrigerator |
| CN103471323A (en) * | 2013-09-22 | 2013-12-25 | 合肥华凌股份有限公司 | Middle beam for refrigeration equipment and refrigeration equipment provided with middle beam |
| CN103629890A (en) * | 2012-08-22 | 2014-03-12 | 海信（山东）冰箱有限公司 | Air cooling refrigerator defrosting control method |
| CN103968634A (en) * | 2014-05-07 | 2014-08-06 | 合肥美菱股份有限公司 | Refrigerator condensation-preventing and heating control method and application thereof |
| CN104913579A (en) * | 2015-06-25 | 2015-09-16 | 合肥华凌股份有限公司 | Air supply pipe assembly used in air-cooling refrigerator and air-cooling refrigerator with same |
| CN112361695A (en) * | 2020-11-27 | 2021-02-12 | 长虹美菱股份有限公司 | Micro-frost refrigerator with low-temperature compensation device and control method thereof |
| CN112696860A (en) * | 2020-12-18 | 2021-04-23 | 合肥朗驰工业设计有限公司 | Refrigerator freezing return air duct and defrosting control method thereof |
| CN112762646A (en) * | 2020-12-31 | 2021-05-07 | Tcl家用电器（合肥）有限公司 | Air return duct heating control device and heating control method |
| WO2024012133A1 (en) * | 2022-07-14 | 2024-01-18 | 合肥海尔电冰箱有限公司 | Freezing-prevention control method for refrigerating chamber of refrigerator, and refrigerator |
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| CN2529171Y (en) * | 2002-03-13 | 2003-01-01 | 海尔集团公司 | Refrigerator with control switch for quick refrigeration |
| CN201344704Y (en) * | 2008-11-24 | 2009-11-11 | 海信（北京）电器有限公司 | Refrigerator with magnet-sensitive switch |
| CN101839602A (en) * | 2009-03-20 | 2010-09-22 | 海尔集团公司 | Refrigeration device and temperature control method of cold rooms thereof |
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2011
- 2011-08-10 CN CN 201110227952 patent/CN102261784B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2529171Y (en) * | 2002-03-13 | 2003-01-01 | 海尔集团公司 | Refrigerator with control switch for quick refrigeration |
| CN201344704Y (en) * | 2008-11-24 | 2009-11-11 | 海信（北京）电器有限公司 | Refrigerator with magnet-sensitive switch |
| CN101839602A (en) * | 2009-03-20 | 2010-09-22 | 海尔集团公司 | Refrigeration device and temperature control method of cold rooms thereof |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494462A (en) * | 2011-12-06 | 2012-06-13 | 合肥美的荣事达电冰箱有限公司 | Refrigerator |
| CN102494462B (en) * | 2011-12-06 | 2014-05-21 | 合肥美的电冰箱有限公司 | Refrigerator |
| CN103629890A (en) * | 2012-08-22 | 2014-03-12 | 海信（山东）冰箱有限公司 | Air cooling refrigerator defrosting control method |
| CN103629890B (en) * | 2012-08-22 | 2016-09-07 | 海信（山东）冰箱有限公司 | Wind cooling refrigerator defrosting control method |
| CN103471323A (en) * | 2013-09-22 | 2013-12-25 | 合肥华凌股份有限公司 | Middle beam for refrigeration equipment and refrigeration equipment provided with middle beam |
| CN103471323B (en) * | 2013-09-22 | 2016-06-15 | 合肥华凌股份有限公司 | For the central sill of refrigeration plant and the refrigeration plant with it |
| CN103968634B (en) * | 2014-05-07 | 2016-01-20 | 合肥美菱股份有限公司 | A kind of condensation prevention method for heating and controlling and application thereof |
| CN103968634A (en) * | 2014-05-07 | 2014-08-06 | 合肥美菱股份有限公司 | Refrigerator condensation-preventing and heating control method and application thereof |
| CN104913579A (en) * | 2015-06-25 | 2015-09-16 | 合肥华凌股份有限公司 | Air supply pipe assembly used in air-cooling refrigerator and air-cooling refrigerator with same |
| CN112361695A (en) * | 2020-11-27 | 2021-02-12 | 长虹美菱股份有限公司 | Micro-frost refrigerator with low-temperature compensation device and control method thereof |
| CN112696860A (en) * | 2020-12-18 | 2021-04-23 | 合肥朗驰工业设计有限公司 | Refrigerator freezing return air duct and defrosting control method thereof |
| CN112762646A (en) * | 2020-12-31 | 2021-05-07 | Tcl家用电器（合肥）有限公司 | Air return duct heating control device and heating control method |
| WO2024012133A1 (en) * | 2022-07-14 | 2024-01-18 | 合肥海尔电冰箱有限公司 | Freezing-prevention control method for refrigerating chamber of refrigerator, and refrigerator |
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|---|---|
| CN102261784B (en) | 2013-03-13 |
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Owner name: HISENSE RONSHEN (YANGZHOU) REFRIGERATOR CO., LTD. Free format text: FORMER OWNER: HISENSE RONSHEN (GUANGDONG) REFRIGERATOR CO., LTD. Effective date: 20130517 |
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Free format text: CORRECT: ADDRESS; FROM: 528303 FOSHAN, GUANGDONG PROVINCE TO: 225009 YANGZHOU, JIANGSU PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130517 Address after: 225009 Jiangsu city of Yangzhou province Hongyang Road Economic Development Zone No. 19 Patentee after: Hisense Ronshen (Yangzhou) refrigerator Co., Ltd. Address before: 528303 Ronggui, Guangdong, Shunde District, Rong Rong Road, No. 8, No. Patentee before: Hisense Ronshen (Guangdong) Refrigerator Co., Ltd. |