CN102243005A - Defrosting control method of air-cooling refrigerator evaporator - Google Patents
Defrosting control method of air-cooling refrigerator evaporator Download PDFInfo
- Publication number
- CN102243005A CN102243005A CN2011101862647A CN201110186264A CN102243005A CN 102243005 A CN102243005 A CN 102243005A CN 2011101862647 A CN2011101862647 A CN 2011101862647A CN 201110186264 A CN201110186264 A CN 201110186264A CN 102243005 A CN102243005 A CN 102243005A
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- electric heater
- heating
- control method
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/002—Defroster control
- F25D21/006—Defroster control with electronic control circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/08—Removing frost by electric heating
Abstract
The invention belongs to the technical field of electrical equipment, in particular relates to a defrosting control method of an air-cooling refrigerator evaporator. The control method realizes defrosting control on the evaporator through adopting clearance heating of an electric heater. The method concretely comprises the following steps of: 1. when defrosting, heating for t1 through the electric heater; when the surface temperature of the electric heater reaches T1, stopping heating for t2; 2. heating for t3 and stopping heating for t4; 3. heating for t5 and stopping heating for t6; and interstitially heating till quitting defrosting. According to the invention, defrosting is controlled in a clearance heating way of the electric heater and the evaporator can be defrosted through effectively utilizing the residual heat of the surface when the electric heater stops heating, heat brought into a refrigerator when the electric heater is heated is reduced, defrosting efficiency is improved and energy consumption is reduced.
Description
Technical field
The invention belongs to technical field of electrical equipment, particularly a kind of wind cooling refrigerator evaporimeter defrosting control method.
Background technology
Wind cooling refrigerator is commonly called as frost-free refrigerator, and the frost of tying on the evaporimeter heats automatic defrosting by electrical heating, and does not need artificial defrosting.
Frosting process: start compressor, the evaporimeter refrigeration, water vapour in the respiratory box, form the thin frost of one deck earlier at evaporator surface, through start-stop refrigeration after a while, the frost layer thickening of evaporimeter is full of the gap between whole evaporator fin, need to remove the frost on the evaporimeter this moment, refrigerator could operate as normal.Compressor quits work, and electrical heating is heated automatically, and the frost that always is heated on the evaporimeter does not have, and after stopping to heat a few minutes, compressor restarts refrigeration again.
The heater defrost adds the common mode of thermal control: work during heating always, finish until defrost.Adopt this mode defrost, consume very big energy consumption, and efficient is not high.
Summary of the invention
The problem to be solved in the present invention provides a kind of wind cooling refrigerator evaporimeter defrosting control method, and it utilizes electric heater surface waste heat to come heating fumigators to carry out defrost, to improve defrost efficient, cuts down the consumption of energy.
For achieving the above object, technical scheme of the present invention is: a kind of wind cooling refrigerator evaporimeter defrosting control method, and adopt the heating of electric heater gap to realize the defrosting of evaporimeter is controlled, specifically comprise the following steps:
When step 1, beginning defrost, electric heater is the heating t1 time earlier, after the electric heater surface temperature reaches T1, stops to heat the t2 time;
Step 2, heat the t3 time again, stop to heat the t4 time;
In the such scheme, the size of t1 to t6 is suitably adjusted according to situations such as the pattern of electric heater, electrical heating power, refrigerator sizes, and is specific as follows:
When electric heater is steel pipe/quartz ampoule, and its power is during less than 100W, described t1 〉=5min, t2 〉=30s, t3 〉=30s, t4 〉=30s, t5 〉=30s, t6 〉=30s, T1 〉=60 ℃.
When electric heater is steel pipe/quartz ampoule, and its power is between 100W to 200W the time, described t1 〉=4min, t2 〉=30s, t3 〉=30s, t4 〉=30s, t5 〉=30s, t6 〉=30s, T1 〉=70 ℃.
When electric heater is steel pipe/quartz ampoule, and its power is greater than 200W the time, described t1 〉=3min, t2 〉=30s, t3 〉=30s, t4 〉=30s, t5 〉=30s, t6 〉=30s, T1 〉=80 ℃.
When electric heater is an aluminum pipe, and its power is less than 100W the time, described t1 〉=7min, t2 〉=30s, t3 〉=30s, t4 〉=30s, t5 〉=30s, t6 〉=30s, T1 〉=10 ℃.
When electric heater is an aluminum pipe, and its power is between 100W to 200W the time, described t1 〉=6min, t2 〉=30s, t3 〉=30s, t4 〉=30s, t5 〉=30s, t6 〉=30s, T1 〉=15 ℃.
When electric heater is an aluminum pipe, and its power is greater than 200W the time, described t1 〉=5min, t2 〉=30s, t3 〉=30s, t4 〉=30s, t5 〉=30s, t6 〉=30s, T1 〉=20 ℃.
When electric heater is a steel pipe, and its power is when being 400W, described t1 〉=5min, t2 〉=1min, t3 〉=2min, t4 〉=1min, t5 〉=2min, t6 〉=1min, T1 〉=80 ℃.
Compared with prior art, the present invention has following beneficial effect:
The present invention adopts the mode of electric heater gap heating to control defrost, the waste heat on surface carries out the defrosting to evaporimeter in the time of can effectively utilizing electric heater and stop to heat, and brings the heat in the case when reducing the electric heater heating into, improve defrost efficient, cut down the consumption of energy.
Description of drawings
Fig. 1 is gap heating curves figure of the present invention;
Fig. 2 is the enlarged drawing of defrost periods A → B power among Fig. 1.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the present invention is described in detail.
As shown in Figure 1, the invention discloses a kind of wind cooling refrigerator evaporimeter defrosting control method, this method adopts the heating of electric heater gap to realize the defrosting of evaporimeter is controlled, and specifically comprises the following steps:
When step 1, beginning defrost, electric heater is the heating t1 time earlier, after the electric heater surface temperature reaches T1, stops to heat the t2 time;
Step 2, heat the t3 time again, stop to heat the t4 time;
The size of t1 to t6 is suitably adjusted according to situations such as the pattern of electric heater, electrical heating power, refrigerator sizes, and is as shown in Figure 2, specific as follows:
When electric heater is steel pipe/quartz ampoule, and its power is during less than 100W, described t1 〉=5min, t2 〉=30s, t3 〉=30s, t4 〉=30s, t5 〉=30s, t6 〉=30s, T1 〉=60 ℃.
When electric heater is steel pipe/quartz ampoule, and its power is between 100W to 200W the time, described t1 〉=4min, t2 〉=30s, t3 〉=30s, t4 〉=30s, t5 〉=30s, t6 〉=30s, T1 〉=70 ℃.
When electric heater is steel pipe/quartz ampoule, and its power is greater than 200W the time, described t1 〉=3min, t2 〉=30s, t3 〉=30s, t4 〉=30s, t5 〉=30s, t6 〉=30s, T1 〉=80 ℃.
When electric heater is an aluminum pipe, and its power is less than 100W the time, described t1 〉=7min, t2 〉=30s, t3 〉=30s, t4 〉=30s, t5 〉=30s, t6 〉=30s, T1 〉=10 ℃.
When electric heater is an aluminum pipe, and its power is between 100W to 200W the time, described t1 〉=6min, t2 〉=30s, t3 〉=30s, t4 〉=30s, t5 〉=30s, t6 〉=30s, T1 〉=15 ℃.
When electric heater is an aluminum pipe, and its power is greater than 200W the time, described t1 〉=5min, t2 〉=30s, t3 〉=30s, t4 〉=30s, t5 〉=30s, t6 〉=30s, T1 〉=20 ℃.
When electric heater is a steel pipe, and its power is when being 400W, described t1 〉=5min, t2 〉=1min, t3 〉=2min, t4 〉=1min, t5 〉=2min, t6 〉=1min, T1 〉=80 ℃.
Among Fig. 1, line 1 is the refrigerated storage temperature line, and line 2 is the cryogenic temperature line, and line 3 is a power curve,
A → C is a cycle of operation, and A → B is a defrost periods, illustrates A → B and how to control:
Steel pipe electrical heating with 400W defrost power is an example, adopts the gap heating:
Heat after t1=5 minute, stopped t2=1 minute, heated again t3=2 minute, stopped t4=1 minute, heated again t4=2 minute, stopped t5=1 minute, heated again t5=2 minute, stopped t6=1 minute, heat after t7=1 minute again and withdraw from defrost, heater accumulative total heated 12 minutes in the defrost process, did not heat 4 minutes.
If adopt heating always, electrical heating was heated about 15 minutes; Contrast this two kinds of forms, clearance-type electrical heating power saving [0.4* (15-12)/60] * 2=0.04kwh/24h, 3% power consumption approximately descends.
The gap heat form, the electrical heating surface temperature reaches 390 ℃ after 5 minutes, stops to heat 1 minute rear surface temperature and descends about 20 ℃, supposes that the steel pipe heater is a black matrix, heater to the radiant energy of spatial emission be Q=σ b*A*T4 (σ b black body radiation constant, its value is 5.67*10-8W/ (m2.K4; A is the surface area m2 that electrical heating participates in radiation; T is surface temperature K).
The unit interval radiant energy ratio of gap heating and heating always: between Q: Q is 4=(643/663 always=(between T/T always)) 4=88.5%.
Gap heating and always heat the integrated radiant emittance ratio: between Q: Q always=88.5%*(11 minute/10 minutes)=97.3%.
Gap heating and heat form always, the electrical heating integrated radiant emittance is suitable.
Clearance-type mode of heating of the present invention is applicable to multiple electrical heating form, such as steel pipe heating tube, quartz heating-pipe, aluminum pipe heating tube, this clearance-type mode of heating is not subjected to the influence of heating tube power yet, but the temperature inside the box gos up during the defrost of the refrigerator that consideration 200L is above, general power is not less than 100W, consider safety factor simultaneously, electrical heating power generally is not more than 450W.
The present invention adopts the clearance-type mode of heating, can improve defrost efficient, cuts down the consumption of energy about 3%.
Claims (8)
1. a wind cooling refrigerator evaporimeter defrosting control method is characterized in that: adopt the heating of electric heater gap to realize the defrosting of evaporimeter is controlled, specifically comprise the following steps:
When step 1, beginning defrost, electric heater is the heating t1 time earlier, after the electric heater surface temperature reaches T1, stops to heat the t2 time;
Step 2, heat the t3 time again, stop to heat the t4 time;
Step 3, heat the t5 time again, stop to heat t6; So intermittence heating is until withdraw from defrost.
2. wind cooling refrigerator evaporimeter defrosting control method according to claim 1 is characterized in that: electric heater is steel pipe/quartz ampoule, and its power is during less than 100W, described t1 〉=5min, t2 〉=30s, t3 〉=30s, t4 〉=30s, t5 〉=30s, t6 〉=30s, T1 〉=60 ℃.
3. wind cooling refrigerator evaporimeter defrosting control method according to claim 1 is characterized in that: electric heater is steel pipe/quartz ampoule, and its power is between 100W to 200W the time, described t1 〉=4min, t2 〉=30s, t3 〉=30s, t4 〉=30s, t5 〉=30s, t6 〉=30s, T1 〉=70 ℃.
4. wind cooling refrigerator evaporimeter defrosting control method according to claim 1 is characterized in that: electric heater is steel pipe/quartz ampoule, and its power is greater than 200W the time, described t1 〉=3min, t2 〉=30s, t3 〉=30s, t4 〉=30s, t5 〉=30s, t6 〉=30s, T1 〉=80 ℃.
5. wind cooling refrigerator evaporimeter defrosting control method according to claim 1 is characterized in that: electric heater is an aluminum pipe, and its power is less than 100W the time, described t1 〉=7min, t2 〉=30s, t3 〉=30s, t4 〉=30s, t5 〉=30s, t6 〉=30s, T1 〉=10 ℃.
6. wind cooling refrigerator evaporimeter defrosting control method according to claim 1 is characterized in that: electric heater is an aluminum pipe, and its power is between 100W to 200W the time, described t1 〉=6min, t2 〉=30s, t3 〉=30s, t4 〉=30s, t5 〉=30s, t6 〉=30s, T1 〉=15 ℃.
7. wind cooling refrigerator evaporimeter defrosting control method according to claim 1 is characterized in that: electric heater is an aluminum pipe, and its power is greater than 200W the time, described t1 〉=5min, t2 〉=30s, t3 〉=30s, t4 〉=30s, t5 〉=30s, t6 〉=30s, T1 〉=20 ℃.
8. wind cooling refrigerator evaporimeter defrosting control method according to claim 1 is characterized in that: electric heater is a steel pipe, and its power is when being 400W, described t1 〉=5min, t2 〉=1min, t3 〉=2min, t4 〉=1min, t5 〉=2min, t6 〉=1min, T1 〉=80 ℃.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101862647A CN102243005A (en) | 2011-07-05 | 2011-07-05 | Defrosting control method of air-cooling refrigerator evaporator |
| PCT/CN2011/079122 WO2013004043A1 (en) | 2011-07-05 | 2011-08-30 | Evaporator defrosting control method for air-cooled refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101862647A CN102243005A (en) | 2011-07-05 | 2011-07-05 | Defrosting control method of air-cooling refrigerator evaporator |
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| Publication Number | Publication Date |
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| CN102243005A true CN102243005A (en) | 2011-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101862647A Pending CN102243005A (en) | 2011-07-05 | 2011-07-05 | Defrosting control method of air-cooling refrigerator evaporator |
Country Status (2)
| Country | Link |
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| CN (1) | CN102243005A (en) |
| WO (1) | WO2013004043A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927786A (en) * | 2012-11-30 | 2013-02-13 | 合肥美的荣事达电冰箱有限公司 | Defrosting control method and system of refrigerator and refrigerator |
| CN104154696A (en) * | 2014-08-05 | 2014-11-19 | 合肥荣事达三洋电器股份有限公司 | Method for controlling air-cooled refrigerator defrosting system |
| CN112696862A (en) * | 2020-12-18 | 2021-04-23 | 合肥朗驰工业设计有限公司 | Intermittent defrosting control method for refrigerator and air-cooled refrigerator |
| CN113758121A (en) * | 2020-06-05 | 2021-12-07 | 青岛海尔电冰箱有限公司 | Defrosting control method for refrigerator |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102241307B1 (en) | 2014-11-05 | 2021-04-16 | 삼성전자주식회사 | Defrost device, refrigerator having the device and control method thereof |
| KR102418143B1 (en) | 2017-04-28 | 2022-07-07 | 엘지전자 주식회사 | Refrigerator and Controlling method for the same |
| CN115143685A (en) * | 2022-07-12 | 2022-10-04 | 珠海格力电器股份有限公司 | Defrosting control method and refrigeration equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05215460A (en) * | 1992-01-30 | 1993-08-24 | Sanyo Electric Co Ltd | Method and apparatus for deforsting evaporator |
| JP2884930B2 (en) * | 1992-06-29 | 1999-04-19 | 富士電機株式会社 | Showcase defrost controller |
| CN1480698A (en) * | 2002-08-06 | 2004-03-10 | ���ǵ�����ʽ���� | Defroster and refrigerator using same |
| JP2006071248A (en) * | 2004-09-06 | 2006-03-16 | Hoshizaki Electric Co Ltd | Cooling storage |
| CN1771419A (en) * | 2003-04-04 | 2006-05-10 | Bsh博世和西门子家用器具有限公司 | Method for power regulation of a defroster heater and refrigeration device with integrated defroster heating |
| CN201322497Y (en) * | 2008-12-19 | 2009-10-07 | 海信科龙电器股份有限公司 | Electric heater of refrigerator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1218155C (en) * | 2002-03-28 | 2005-09-07 | 乐金电子(天津)电器有限公司 | Control method for evaporator case heating |
| JP2008309400A (en) * | 2007-06-14 | 2008-12-25 | Daiwa Industries Ltd | Refrigerator |
-
2011
- 2011-07-05 CN CN2011101862647A patent/CN102243005A/en active Pending
- 2011-08-30 WO PCT/CN2011/079122 patent/WO2013004043A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05215460A (en) * | 1992-01-30 | 1993-08-24 | Sanyo Electric Co Ltd | Method and apparatus for deforsting evaporator |
| JP2884930B2 (en) * | 1992-06-29 | 1999-04-19 | 富士電機株式会社 | Showcase defrost controller |
| CN1480698A (en) * | 2002-08-06 | 2004-03-10 | ���ǵ�����ʽ���� | Defroster and refrigerator using same |
| CN1771419A (en) * | 2003-04-04 | 2006-05-10 | Bsh博世和西门子家用器具有限公司 | Method for power regulation of a defroster heater and refrigeration device with integrated defroster heating |
| JP2006071248A (en) * | 2004-09-06 | 2006-03-16 | Hoshizaki Electric Co Ltd | Cooling storage |
| CN201322497Y (en) * | 2008-12-19 | 2009-10-07 | 海信科龙电器股份有限公司 | Electric heater of refrigerator |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927786A (en) * | 2012-11-30 | 2013-02-13 | 合肥美的荣事达电冰箱有限公司 | Defrosting control method and system of refrigerator and refrigerator |
| CN102927786B (en) * | 2012-11-30 | 2014-12-17 | 合肥美的电冰箱有限公司 | Defrosting control method and system of refrigerator and refrigerator |
| CN104154696A (en) * | 2014-08-05 | 2014-11-19 | 合肥荣事达三洋电器股份有限公司 | Method for controlling air-cooled refrigerator defrosting system |
| CN113758121A (en) * | 2020-06-05 | 2021-12-07 | 青岛海尔电冰箱有限公司 | Defrosting control method for refrigerator |
| CN112696862A (en) * | 2020-12-18 | 2021-04-23 | 合肥朗驰工业设计有限公司 | Intermittent defrosting control method for refrigerator and air-cooled refrigerator |
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| Publication number | Publication date |
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| WO2013004043A1 (en) | 2013-01-10 |
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Application publication date: 20111116 |