CN101598483A - A kind of defroster control system and refrigerator defrost control method thereof - Google Patents
A kind of defroster control system and refrigerator defrost control method thereof Download PDFInfo
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- CN101598483A CN101598483A CNA2008102197061A CN200810219706A CN101598483A CN 101598483 A CN101598483 A CN 101598483A CN A2008102197061 A CNA2008102197061 A CN A2008102197061A CN 200810219706 A CN200810219706 A CN 200810219706A CN 101598483 A CN101598483 A CN 101598483A
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Abstract
The present invention designs a kind of defroster control system, and the defrosting temperature sensor is located on the evaporimeter, and described evaporimeter has drip tray; Be connected with a defrosting heating tube of connecting with controller with the high temperature fuse; Described defrosting heating tube is located between evaporimeter and the drip tray.The present invention also comprises the defrosting control method of above-mentioned defroster control system, combine with the compressor operating time frost layer situation of judging evaporimeter and enter defrosting of the rate temperature change of monitoring freezer compartment of refrigerator in the cycle of operation when refrigerator, during defroster, control panel control defrosting heating tube is the heating certain hour earlier, then with circulating heated type work, after molten the moving of frost layer of device to be evaporated, the frost layer breaks away from evaporimeter by self gravitation and drops to drip tray, withdraws from defrosting up to evaporator temperature about 6 ℃.For making things convenient for defrost water to discharge, withdraw from defrosting back time-delay certain hour and just start compressor and fan etc.
Description
Technical field
The present invention relates to refrigerator and make field, particularly a kind of defroster control system.The invention still further relates to the refrigerator defrost control method of this defroster control system.
Technical background
One deck frost can be tied in refrigerator operation a period of time finisher surface, and this frost layer can influence the heat exchange of air in evaporimeter and the frost, reduces refrigerating efficiency, so refrigerator must defrost after operation a period of time.The defroster of general refrigerator comprises evaporimeter, defrosting heating tube, drip tray heating tube, defrosting temperature sensor, high temperature fuse, refrigerator controller.After the defrost process of general refrigerator was the refrigerator work certain hour, refrigerator controller was connected the defrosting heating tube, and defrosting heating tube work is until the frost layer of evaporimeter dissolves, and defrost water is discharged from drip tray and drainpipe, and defrost process finishes.During this time because the judgment mode that enters defrost state machinery too, and be provided with the drip tray heater, heating tube power is big, long-time simultaneously defrosting makes the interior temperature of refrigerator rise excessive, cause energy consumption of refrigerator to increase, serious meeting makes the ice cream in the refrigerator dissolve food spoilage.
Summary of the invention
Purpose of the present invention is exactly at above-mentioned deficiency, designs a kind of drip tray heater that saves, intelligent defrosting, low energy consumption, defroster control system cheaply.For this reason, the present invention also provides the refrigerator defrost control method of this defroster control system.
In order to solve the problems of the technologies described above, the present invention includes following technical scheme: a kind of defroster control system, the defrosting temperature sensor and the freezer temperature sensor that comprise controller, are connected with controller; Described defrosting temperature sensor is located on the evaporimeter, and described evaporimeter has drip tray; Be connected with a defrosting heating tube of connecting with controller with the high temperature fuse; It is characterized in that: described defrosting heating tube is located between evaporimeter and the drip tray.
Described defrosting heating tube is stainless steel heating tube or quartz heating-pipe.
Freezer temperature sensor dress refrigerating chamber sidewall; Described controller is installed in refrigerator back.
A kind of refrigerator defrost control method, it comprises the steps:
Step 1: the freezer compressor running refrigerating, when the temperature value that the defrosting of controller sampling simultaneously temperature sensor records, the temperature value that records when the defrosting temperature sensor≤T1, controller enters the defrosting determining program;
Step 2: after controller entered defrosting judgement journey, controller began the accumulative total compressor operating time, calculates the rate of temperature change that freezer temperature sensor records simultaneously, as compressor operating time accumulative total 〉=t1; Perhaps rate of temperature change≤θ of recording of freezer temperature sensor; Perhaps under the compressor operating situation, when the temperature that freezer temperature sensor records did not reach design temperature T2 behind certain hour t2, controller entered the defrosting program;
Step 3: after controller entered the defrosting program, the defrosting heating tube was started working, and the temperature value that the defrosting of controller sampling simultaneously temperature sensor records when defrosting temperature sensor temperature value 〉=T3 or defrosting time 〉=t3, withdraws from the defrosting program;
Step 4: controller reenters step 1 after withdrawing from the defrosting program.
The rate of temperature change of described freezer temperature sensor is the temperature gap that freezer temperature sensor records in the sampling period of setting.
Described defrosting heating tube is by the heating work of circulation discontinuous.
The circulating heating work mode of described defrosting heating tube is one section of heating earlier 4～10 minutes, then by stopping to heat 1～3 minute, heats 2～5 minutes circulation discontinuous heating defrosting again.
After described controller withdrawed from the defrosting program, delaying time just started compressor after 3～10 minutes, reentered step 1.
Described T1 is 0～5 ℃; Described defrost time t1 is 360-900 minute; Described θ is 2～5 ℃/20min or 2～5 ℃/30min or 2～6 ℃/40min; It is high 2～3 ℃ that described T2 sets the freezer temperature value than the user; Described design temperature T3 is 4～8 ℃; Described t2 is 240～480min; Described t3 is 25～60min.
Compared with prior art, defrosting heating tube of the present invention is installed between evaporimeter and the drip tray, has saved the drip tray heater, saves cost; Secondly, the present invention is except monitoring compressor running time, also by monitoring freezer compartment of refrigerator variation of temperature speed and comparing, as find that refrigerator is in refrigeration a period of time, the downward rate of change of the temperature inside the box is little, think that then the frost layer has influenced the heat exchange of evaporimeter, no matter whether compressor operating time has arrived defrosting time and all entered defrosting.At last, the working method of circulation discontinuous defrosting is adopted in defrosting control of the present invention, heating a period of time, stop the circulation discontinuous defrosting of a period of time, the frost layer breaks away from evaporimeter by self gravitation, discontinuous defrosting had not only been saved electric energy but also can not produced continuous high temperature influence refrigerator temperature, and the refrigerator temperature rise is little, cuts down the consumption of energy.
Description of drawings
Fig. 1 is the structure connection layout of a kind of defroster control system of the present invention;
Fig. 2 is the flow chart of a kind of refrigerator defrost control method of the present invention.
The specific embodiment
As shown in Figure 1, defrosting heating tube 2 is installed between evaporimeter 1 and the drip tray 3, and defrosting temperature sensor 5 is fixed on the top of evaporimeter 1, and high temperature fuse 4 is connected with defrosting heating tube 2, and high temperature fuse 4 plays the high temperature protection effect.Freezer temperature sensor dress refrigerating chamber sidewall, after controller is installed in refrigerator, the design feature of defrosting device for refrigerator is that defrosting heating tube 2 adopts stainless steel heating tube or quartz heating-pipe, and defrosting heating tube 2 saves the drip tray heater between evaporimeter 1 and drip tray 3.
Fig. 2 is the flow chart of a kind of refrigerator defrost control method of the present invention, its control procedure is as follows, the refrigerator energising, controller control compressor operating refrigeration, the temperature value of the temperature sensor 5 of sampling defrosting simultaneously, as be lower than 0 ℃ and then think evaporimeter 1 beginning frosting, then begin to accumulate compressor operating time, the temperature value of the freezer temperature sensor of periodic scanning sampling simultaneously, calculate the downward rate of change of its temperature as the reference conditions of judging evaporimeter frost layer, the rate of change downward as the temperature in several sampling periods is very little, as less than 2 ℃/30min, think that then frost thickness has influenced the heat exchange of evaporimeter 1, need defrosting, compressor operating time also enters defrosting after being accumulated to certain hour, after entering defrosting, defrosting heating tube 2 is 5 fens clock times of heating earlier, again by heating in 2 minutes, the discontinuous that stopped to circulate in 1 minute defrosting, the loosening disengaging of frost layer evaporimeter 1 drops to drip tray 3, because defrosting heating tube 2 near drip tray 3, can melt frost and discharge from drainpipe very soon, when the temperature value of defrosting temperature sensor 5 then withdraws from defrosting greater than 6 ℃, time-delay just starts compressor behind the certain hour and enters the next refrigeration cycle.
Claims (9)
1. defroster control system, the defrosting temperature sensor and the freezer temperature sensor that comprise controller, are connected with controller; Described defrosting temperature sensor is located on the evaporimeter, and described evaporimeter has drip tray; Be connected with a defrosting heating tube of connecting with controller with the high temperature fuse; It is characterized in that: described defrosting heating tube is located between evaporimeter and the drip tray.
2. refrigerator control system according to claim 1 is characterized in that: described defrosting heating tube is stainless steel heating tube or quartz heating-pipe.
3. refrigerator control system according to claim 2 is characterized in that: freezer temperature sensor dress refrigerating chamber sidewall; Described controller is installed in refrigerator back.
4. refrigerator defrost control method, it comprises the steps:
Step 1: the freezer compressor running refrigerating, when the temperature value that the defrosting of controller sampling simultaneously temperature sensor records, the temperature value that records when the defrosting temperature sensor≤T1, controller enters the defrosting determining program;
Step 2: after controller entered defrosting judgement journey, controller began the accumulative total compressor operating time, calculates the rate of temperature change that freezer temperature sensor records simultaneously, as compressor operating time accumulative total 〉=t1; Perhaps rate of temperature change≤θ of recording of freezer temperature sensor; Perhaps under the compressor operating situation, when the temperature that freezer temperature sensor records did not reach design temperature T2 behind certain hour t2, controller entered the defrosting program;
Step 3: after controller entered the defrosting program, the defrosting heating tube was started working, and the temperature value that the defrosting of controller sampling simultaneously temperature sensor records when defrosting temperature sensor temperature value 〉=T3 or defrosting time 〉=t3, withdraws from the defrosting program;
Step 4: controller reenters step 1 after withdrawing from the defrosting program.
5. refrigerator defrost control method according to claim 4 is characterized in that: the rate of temperature change of described freezer temperature sensor is the temperature gap that freezer temperature sensor records in the sampling period of setting.
6. refrigerator defrost control method according to claim 5 is characterized in that: described defrosting heating tube is by the heating work of circulation discontinuous.
7. refrigerator defrost control method according to claim 6, it is characterized in that: the circulating heating work mode of described defrosting heating tube is one section of heating earlier 4～10 minutes, by stopping to heat 1～3 minute, heat 2～5 minutes circulation discontinuous heating defrosting more then.
8. refrigerator defrost control method according to claim 7 is characterized in that: after described controller withdrawed from the defrosting program, delaying time just started compressor after 3～10 minutes, reentered step 1.
9. according to each described refrigerator defrost control method of claim 4 to 8, it is characterized in that: described T1 is 0～5 ℃; Described defrost time t1 is 360～900 minutes; Described θ is 2～5 ℃/20min or 2～5 ℃/30min or 2～6 ℃/40min; It is high 2～3 ℃ that described T2 sets the freezer temperature value than the user; Described design temperature T3 is 4～8 ℃; Described t2 is 240～480min; Described t3 is 25～60min.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008102197061A CN101598483A (en) | 2008-12-05 | 2008-12-05 | A kind of defroster control system and refrigerator defrost control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008102197061A CN101598483A (en) | 2008-12-05 | 2008-12-05 | A kind of defroster control system and refrigerator defrost control method thereof |
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| CNA2008102197061A Pending CN101598483A (en) | 2008-12-05 | 2008-12-05 | A kind of defroster control system and refrigerator defrost control method thereof |
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Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793454A (en) * | 2010-03-10 | 2010-08-04 | 合肥美菱股份有限公司 | Intelligent defrosting control method of refrigerator |
| CN101957117A (en) * | 2010-09-20 | 2011-01-26 | 合肥美的荣事达电冰箱有限公司 | Defrosting heater, evaporator assembly of refrigerating equipment and refrigerator with same |
| WO2012034299A1 (en) * | 2010-09-17 | 2012-03-22 | 海信容声(广东)冰箱有限公司 | Defrosting control system of refrigerator and control method thereof |
| CN102706073A (en) * | 2012-06-20 | 2012-10-03 | 海信容声(广东)冰箱有限公司 | Defrosting heating device for evaporator of refrigerator and control method |
| CN102954666A (en) * | 2012-11-21 | 2013-03-06 | 广东奥马电器股份有限公司 | Defrosting control method for refrigerator |
| CN102954651A (en) * | 2012-11-21 | 2013-03-06 | 广东奥马电器股份有限公司 | Refrigerator defrosting system and refrigerator |
| CN103411380A (en) * | 2013-07-30 | 2013-11-27 | 合肥美的电冰箱有限公司 | Refrigerator and refrigerating chamber defrosting control method therefor |
| CN103591751A (en) * | 2013-10-30 | 2014-02-19 | 西安交通大学 | Defrosting system of air cooling refrigerator and defrosting control method thereof |
| CN104596159A (en) * | 2015-01-26 | 2015-05-06 | 合肥美的电冰箱有限公司 | Evaporator assembly and refrigerator with same |
| CN105371587A (en) * | 2015-11-20 | 2016-03-02 | 青岛海尔股份有限公司 | Defrosting control method |
| CN105674681A (en) * | 2016-01-20 | 2016-06-15 | 青岛海尔股份有限公司 | Air-cooling refrigerator and defrosting control method for evaporator of air-cooling refrigerator |
| CN105953500A (en) * | 2016-05-23 | 2016-09-21 | 广州美的华凌冰箱有限公司 | Refrigerator control method, control device and refrigerator |
| CN106016872A (en) * | 2016-05-17 | 2016-10-12 | Tcl智能科技（合肥）有限公司 | Defrosting system and method thereof |
| CN106288561A (en) * | 2016-09-14 | 2017-01-04 | 广东美的制冷设备有限公司 | Defrosting control method, controller and air-conditioning |
| CN107401883A (en) * | 2017-07-19 | 2017-11-28 | 深圳市傲天医疗智能***有限公司 | Refrigerator self checking method and self-checking system |
| CN108036556A (en) * | 2017-12-22 | 2018-05-15 | 珠海恩盛能源科技有限公司 | One kind defrosting and the relevant heat pump control mode of ambient temperature and humidity |
| CN108759256A (en) * | 2018-06-28 | 2018-11-06 | 海信（山东）冰箱有限公司 | A kind of defrosting method and refrigerator of refrigerator |
| CN110080040A (en) * | 2019-04-01 | 2019-08-02 | 广州百立可科技有限公司 | A kind of dampness archives restorative procedure and prosthetic appliance |
| TWI683080B (en) * | 2016-03-01 | 2020-01-21 | 日商三菱電機股份有限公司 | refrigerator |
| CN112665286A (en) * | 2021-01-04 | 2021-04-16 | 珠海格力电器股份有限公司 | Refrigerator dehumidification and defrosting device, control method and refrigerator |
| CN112944754A (en) * | 2021-04-01 | 2021-06-11 | 刘兵兵 | Constant-temperature refrigeration house system with hot fluorine automatic defrosting function |
| CN113048709A (en) * | 2019-12-26 | 2021-06-29 | 青岛海尔电冰箱有限公司 | Refrigerator and control method thereof |
| CN113465277A (en) * | 2021-07-07 | 2021-10-01 | 合肥美菱物联科技有限公司 | Refrigerator defrosting system and method |
| CN113883770A (en) * | 2020-07-01 | 2022-01-04 | 海信（山东）冰箱有限公司 | Refrigerator and defrosting control method |
| CN114322424A (en) * | 2021-12-31 | 2022-04-12 | 合肥美菱物联科技有限公司 | Refrigerator defrosting system and method |
| CN114322421A (en) * | 2021-12-31 | 2022-04-12 | 长虹美菱股份有限公司 | Refrigerator defrosting device and control method |
| CN117346466A (en) * | 2023-10-13 | 2024-01-05 | 创历电器(滁州)股份有限公司 | Intelligent defrosting control method for refrigerator evaporator |
-
2008
- 2008-12-05 CN CNA2008102197061A patent/CN101598483A/en active Pending
Cited By (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793454A (en) * | 2010-03-10 | 2010-08-04 | 合肥美菱股份有限公司 | Intelligent defrosting control method of refrigerator |
| WO2012034299A1 (en) * | 2010-09-17 | 2012-03-22 | 海信容声(广东)冰箱有限公司 | Defrosting control system of refrigerator and control method thereof |
| CN101957117A (en) * | 2010-09-20 | 2011-01-26 | 合肥美的荣事达电冰箱有限公司 | Defrosting heater, evaporator assembly of refrigerating equipment and refrigerator with same |
| CN102706073A (en) * | 2012-06-20 | 2012-10-03 | 海信容声(广东)冰箱有限公司 | Defrosting heating device for evaporator of refrigerator and control method |
| CN102954666B (en) * | 2012-11-21 | 2015-11-04 | 广东奥马电器股份有限公司 | Refrigerator defrost control method |
| CN102954666A (en) * | 2012-11-21 | 2013-03-06 | 广东奥马电器股份有限公司 | Defrosting control method for refrigerator |
| CN102954651A (en) * | 2012-11-21 | 2013-03-06 | 广东奥马电器股份有限公司 | Refrigerator defrosting system and refrigerator |
| CN103411380B (en) * | 2013-07-30 | 2016-04-27 | 合肥美的电冰箱有限公司 | Refrigerator and the refrigerating chamber defrosting control method for refrigerator |
| CN103411380A (en) * | 2013-07-30 | 2013-11-27 | 合肥美的电冰箱有限公司 | Refrigerator and refrigerating chamber defrosting control method therefor |
| CN103591751A (en) * | 2013-10-30 | 2014-02-19 | 西安交通大学 | Defrosting system of air cooling refrigerator and defrosting control method thereof |
| CN103591751B (en) * | 2013-10-30 | 2016-02-24 | 西安交通大学 | A kind of defrost system of wind cooling refrigerator and defrosting control method thereof |
| CN104596159A (en) * | 2015-01-26 | 2015-05-06 | 合肥美的电冰箱有限公司 | Evaporator assembly and refrigerator with same |
| CN105371587A (en) * | 2015-11-20 | 2016-03-02 | 青岛海尔股份有限公司 | Defrosting control method |
| CN105674681A (en) * | 2016-01-20 | 2016-06-15 | 青岛海尔股份有限公司 | Air-cooling refrigerator and defrosting control method for evaporator of air-cooling refrigerator |
| TWI683080B (en) * | 2016-03-01 | 2020-01-21 | 日商三菱電機股份有限公司 | refrigerator |
| CN106016872B (en) * | 2016-05-17 | 2018-12-21 | Tcl智能科技（合肥）有限公司 | Defrost system and method |
| CN106016872A (en) * | 2016-05-17 | 2016-10-12 | Tcl智能科技（合肥）有限公司 | Defrosting system and method thereof |
| CN105953500A (en) * | 2016-05-23 | 2016-09-21 | 广州美的华凌冰箱有限公司 | Refrigerator control method, control device and refrigerator |
| CN106288561A (en) * | 2016-09-14 | 2017-01-04 | 广东美的制冷设备有限公司 | Defrosting control method, controller and air-conditioning |
| CN106288561B (en) * | 2016-09-14 | 2018-12-07 | 广东美的制冷设备有限公司 | Defrosting control method, controller and air-conditioning |
| CN107401883A (en) * | 2017-07-19 | 2017-11-28 | 深圳市傲天医疗智能***有限公司 | Refrigerator self checking method and self-checking system |
| CN108036556A (en) * | 2017-12-22 | 2018-05-15 | 珠海恩盛能源科技有限公司 | One kind defrosting and the relevant heat pump control mode of ambient temperature and humidity |
| CN108759256A (en) * | 2018-06-28 | 2018-11-06 | 海信（山东）冰箱有限公司 | A kind of defrosting method and refrigerator of refrigerator |
| CN110080040A (en) * | 2019-04-01 | 2019-08-02 | 广州百立可科技有限公司 | A kind of dampness archives restorative procedure and prosthetic appliance |
| CN110080040B (en) * | 2019-04-01 | 2024-04-26 | 广州百立可科技有限公司 | Method and equipment for repairing damp files |
| CN113048709B (en) * | 2019-12-26 | 2022-12-09 | 青岛海尔电冰箱有限公司 | Refrigerator and control method thereof |
| CN113048709A (en) * | 2019-12-26 | 2021-06-29 | 青岛海尔电冰箱有限公司 | Refrigerator and control method thereof |
| CN113883770A (en) * | 2020-07-01 | 2022-01-04 | 海信（山东）冰箱有限公司 | Refrigerator and defrosting control method |
| CN112665286A (en) * | 2021-01-04 | 2021-04-16 | 珠海格力电器股份有限公司 | Refrigerator dehumidification and defrosting device, control method and refrigerator |
| CN112944754A (en) * | 2021-04-01 | 2021-06-11 | 刘兵兵 | Constant-temperature refrigeration house system with hot fluorine automatic defrosting function |
| CN113465277A (en) * | 2021-07-07 | 2021-10-01 | 合肥美菱物联科技有限公司 | Refrigerator defrosting system and method |
| CN114322424A (en) * | 2021-12-31 | 2022-04-12 | 合肥美菱物联科技有限公司 | Refrigerator defrosting system and method |
| CN114322421A (en) * | 2021-12-31 | 2022-04-12 | 长虹美菱股份有限公司 | Refrigerator defrosting device and control method |
| CN114322424B (en) * | 2021-12-31 | 2023-03-31 | 合肥美菱物联科技有限公司 | Refrigerator defrosting system and method |
| CN117346466A (en) * | 2023-10-13 | 2024-01-05 | 创历电器(滁州)股份有限公司 | Intelligent defrosting control method for refrigerator evaporator |
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Open date: 20091209 |