CN101435648A - Cold storage room circulation heat utilization defrosting refrigeration system and control method thereof - Google Patents

Cold storage room circulation heat utilization defrosting refrigeration system and control method thereof Download PDF

Info

Publication number
CN101435648A
CN101435648A CNA2008102199048A CN200810219904A CN101435648A CN 101435648 A CN101435648 A CN 101435648A CN A2008102199048 A CNA2008102199048 A CN A2008102199048A CN 200810219904 A CN200810219904 A CN 200810219904A CN 101435648 A CN101435648 A CN 101435648A
Authority
CN
China
Prior art keywords
refrigerating chamber
mod
air channel
evaporimeter
place cavity
Prior art date
Application number
CNA2008102199048A
Other languages
Chinese (zh)
Inventor
周小天
常见虎
潘坚
王书科
Original Assignee
海信科龙电器股份有限公司
海信容声(广东)冰箱有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 海信科龙电器股份有限公司, 海信容声(广东)冰箱有限公司 filed Critical 海信科龙电器股份有限公司
Priority to CNA2008102199048A priority Critical patent/CN101435648A/en
Publication of CN101435648A publication Critical patent/CN101435648A/en

Links

Abstract

The invention relates to the field of defrosting and refrigeration control technology of a refrigerator and discloses a refrigerator defrosting and refrigeration system which utilizes circulating heat of a refrigerating chamber. The system comprises a refrigerating chamber (1), a freezing chamber (2), a chamber body (3) of an evaporator, a first air channel (4) for connecting the freezing chamber (2) and the chamber body (3) of the evaporator and a second air channel (5) for connecting the refrigerating chamber (1) and the chamber body (3) of the evaporator; a first fan (M1) is arranged on the first air channel (4); a second fan (M2) is arranged on the second air channel (5); a connecting port between the first air channel (4) and the chamber body (3) of the evaporator is provided with a first electric air door (K1); and an air return port (8) of the refrigerating chamber and an air return port (9) of the freezing chamber are provided with a second electric air door (K2). In addition, the invention also provides a method for controlling the refrigerator defrosting and refrigeration system which utilizes the circulating heat of the refrigerating chamber. The system and the method can effectively reduce energy consumption of the refrigerator.

Description

A kind of refrigerating chamber cycling hot is utilized defrosting refrigeration system and control method thereof
Technical field
The present invention relates to refrigerator defrost refrigeration control technology field, particularly a kind of by utilizing the refrigerator defrost refrigeration control system of refrigerating chamber cycling hot, also comprised the defrost refrigeration control method of this control system.
Background technology
Frost-free refrigerator claims indirect cooling refrigerator again, utilizes fan to make cold wind forced convection circulation and refrigeration, frozen food indirectly, and the food moisture evaporated is taken away by cold wind in the refrigerator, because moisture content is constantly taken away in the casing, food is more and more drier, compares with direct cooling refrigerator, and preservativity worse and worse.
In addition, the moisture that is pulled away of wind cooling refrigerator freezes to form in the surface of evaporimeter the frost layer by evaporimeter the time.The existence of frost layer rings scape to refrigeration performance, even blocks the circulation of air.And frost-free refrigerator defrosting method commonly used is generally four kinds: the temperature value that 1. utilizes evaporimeter to import and export ventilating air starts defrost; 2. at a certain concrete measurement point frost sensor is set; 3. utilize frost layer image processing technique to judge that frost thickness carries out defrost; 4. use fuzzy reasoning,,, carry out quick defrost even frost thickness is little in the most stable time of refrigerator temperature; 5. reach a certain numerical value according to the compressor Cumulative Elapsed Time, the set time defrost.
Above-mentioned all defrosting methods, the additional power consumption that all has the defrosting electrical heating wire, and this power consumption has accounted for 5% of refrigerator total power consumption, estimate according to present power consumption level and production capacity, the refrigerator that Chinese future was produced in 10 years is in expected service life, to consume 6,010 hundred million degree, need to increase the generating capacity of 5700 megawatts, calculate in view of the above, the electric energy that defrost consumed will be above 285 megawatts, for having 1,300,000,000 populations, the big country that energy day is becoming tight, this no small numeral really.Therefore the energy-conservation of refrigerator not only has profound significance to economy but also to environmental protection.
Summary of the invention
At the shortcoming of prior art, the purpose of this invention is to provide a kind of refrigerating chamber cycling hot that effectively cuts down the consumption of energy and utilize refrigerator defrosting refrigeration system and control method thereof.
For achieving the above object, technical scheme of the present invention is: a kind of refrigerating chamber cycling hot is utilized defrosting refrigeration system, comprise refrigerating chamber, refrigerating chamber, evaporimeter place cavity, connect first air channel of refrigerating chamber and evaporimeter place cavity and be connected refrigerating chamber and second air channel of evaporimeter place cavity, first air channel is provided with first blower fan, second air channel is provided with second blower fan, the connector place of first air channel and evaporimeter place cavity is provided with first MOD, and the return air inlet of refrigerating chamber and the return air inlet of refrigerating chamber are provided with second MOD;
When compressor start, first fan starting, second blower fan quit work, first MOD is opened, during the second MOD closing cold room, and evaporimeter place cavity, first air channel and refrigerating chamber constitute the refrigerating chamber cooling cycle system; When compressor shutdown, first blower fan quit work, second fan starting, first MOD closes entirely, when second MOD is closed refrigerating chamber, and evaporimeter place cavity, second air channel and refrigerating chamber constitute the refrigerating chamber cooling cycle system.
Evaporimeter place cavity is positioned at the below of refrigerating chamber and refrigerating chamber dividing plate and is close to dividing plate.
Angle between evaporimeter place cavity and the horizontal plane is 0~30 °.
The refrigerating chamber return air inlet is positioned on the dividing plate, and near the door-plate side.
Be provided with an electric heater in the described evaporimeter.
Simultaneously, the invention provides the control method that a kind of refrigerating chamber cycling hot is utilized defrosting refrigeration system, it may further comprise the steps:
The refrigerating chamber cooling cycle system begins periodic duty, and first fan starting, second blower fan quit work, and first MOD is opened, the second MOD closing cold room, and when freezer temperature reached designated value, the refrigerating chamber cooling cycle system quit work;
The refrigerating chamber cooling cycle system begins periodic duty, first blower fan quits work, second fan starting, first MOD closes entirely, second MOD is closed refrigerating chamber, enter the recyclegas of evaporimeter place cavity and the frost of evaporator surface carries out heat exchange from the refrigerating chamber return air inlet, cold air after the heat exchange enters refrigerating chamber freezes and humidification to refrigerating chamber, thereby finishes a circulation.
When freezer temperature has surpassed designated value, but frost also do not change when clean, starts the electric heater of being located on the evaporimeter and compensates defrost.
Compared with prior art, the present invention utilizes the recyclegas of refrigerating chamber process of refrigerastion that evaporimeter is carried out defrost, thereby reduced the energy consumption of refrigerator defrost, also made full use of the cold wind that is obtained after the defrost, utilized the circulation aqueous vapor that refrigerating chamber is carried out humidification, the cold that defrost is obtained freezes to refrigerating chamber, has improved the utilization rate of recyclegas, reduces the energy consumption for cooling of refrigerator.
Description of drawings
Fig. 1 utilizes the structural representation of defrosting refrigeration system for refrigerating chamber cycling hot of the present invention.
Fig. 2 is the structural representation of MOD K1 of the present invention;
Fig. 3 is the structural representation of MOD K2 of the present invention.
The specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, a kind of refrigerating chamber cycling hot is utilized defrosting refrigeration system, comprise refrigerating chamber 1, refrigerating chamber 2, evaporimeter place cavity 3, connect first air channel 4 of refrigerating chamber 2 and evaporimeter place cavity 3 and be connected second air channel 5 of refrigerating chamber 1 and evaporimeter place cavity 3, first air channel 4 is provided with the first blower fan M1, second air channel 5 is provided with the second blower fan M2, first air channel 4 is provided with the first MOD K1 with the connector place of evaporimeter place cavity 3, and refrigerating chamber return air inlet 8 and refrigerating chamber return air inlet 9 are provided with the second MOD K2;
When compressor start, first fan starting, second blower fan quit work, first MOD is opened, during the second MOD closing cold room, and evaporimeter place cavity, first air channel and refrigerating chamber constitute the refrigerating chamber cooling cycle system; When compressor start, first blower fan quit work, second fan starting, first MOD closes entirely, when second MOD is closed refrigerating chamber, and evaporimeter place cavity, second air channel and refrigerating chamber constitute the refrigerating chamber cooling cycle system.
Evaporimeter place cavity is positioned at the below of refrigerating chamber and refrigerating chamber dividing plate 6 and is close to dividing plate.
Angle between evaporimeter place cavity and the horizontal plane is 0~30 °.The benefit of She Zhiing is like this: when 1) refrigerating chamber freezed, the first blower fan M1 is easier to force to blow to first air channel to the cold wind of evaporimeter; Adopt the electrical heating compensation when 2) the cycling hot defrost can not defrost fully, the moisture after defrost this moment is convenient to discharge from drainpipe.If above-mentioned angle is when too big, the corresponding increasing that takes up room of evaporimeter and dividing plate, the angle that present embodiment sets can make the refrigerating chamber storage space littler.
The refrigerating chamber return air inlet is positioned on the dividing plate 6, and near door-plate 7 sides.The benefit of She Zhiing is like this: 1) the refrigerating chamber return air inlet is the closer to door-plate, and temperature is high relatively more, and the refrigerating chamber return air inlet is located at this can make herein temperature drop to the inboard temperature unanimity of evaporimeter place cavity; 2) because relative temperature is higher herein, the refrigerating chamber return air inlet is located at and can be made the return air temperature rising be convenient to defrost herein; 3) because the mobile of the interior wind of evaporimeter place cavity is to flow to the left side from the right side, return air inlet can make return air be uniformly distributed in evaporimeter place cavity near door-plate like this.
Be provided with an electric heater in the described evaporimeter.
A kind of refrigerating chamber cycling hot is utilized the control method of defrosting refrigeration system, and it may further comprise the steps:
Compressor start, the refrigerating chamber cooling cycle system begins periodic duty, and first fan starting, second blower fan quit work, and first MOD is opened, the second MOD closing cold room, when freezer temperature reached designated value, the refrigerating chamber cooling cycle system quit work;
Compressor shutdown; the refrigerating chamber cooling cycle system begins periodic duty; first blower fan quits work, second fan starting; first MOD closes entirely, second MOD is closed refrigerating chamber; enter the recyclegas of evaporimeter place cavity and the frost of evaporator surface carries out heat exchange from the refrigerating chamber return air inlet; cold air after the heat exchange enters refrigerating chamber freezes and humidification to refrigerating chamber, thereby finishes a circulation.
When freezer temperature has surpassed designated value, but frost also do not change when clean, starts the electric heater of being located in the cavity of evaporimeter place and compensates defrost.

Claims (7)

1, a kind of refrigerating chamber cycling hot is utilized defrosting refrigeration system, comprise refrigerating chamber (1), refrigerating chamber (2), evaporimeter place cavity (3), connect first air channel (4) of refrigerating chamber (2) and evaporimeter place cavity (3) and be connected refrigerating chamber (1) and second air channel (5) of evaporimeter place cavity (3), it is characterized in that: first air channel (4) are provided with first blower fan (M1), second air channel (5) is provided with second blower fan (M2), first air channel (4) is provided with first MOD (K1) with the connector place of evaporimeter place cavity (3), and refrigerating chamber return air inlet (8) and refrigerating chamber return air inlet (9) are provided with second MOD (K2);
Work as compressor start, first fan starting, second blower fan quit work, first MOD is opened, during the second MOD closing cold room, and evaporimeter place cavity, first air channel and refrigerating chamber constitute the refrigerating chamber cooling cycle system; When compressor shutdown, first blower fan quits work, second fan starting, and first MOD closes entirely, second MOD is closed refrigerating chamber, and evaporimeter place cavity, second air channel and refrigerating chamber constitute the refrigerating chamber cooling cycle system.
2, refrigerating chamber cycling hot according to claim 1 is utilized defrosting refrigeration system, it is characterized in that: evaporimeter place cavity is positioned at the below of refrigerating chamber and refrigerating chamber dividing plate (6) and is close to dividing plate.
3, refrigerating chamber cycling hot according to claim 2 is utilized defrosting refrigeration system, it is characterized in that: the angle between evaporimeter place cavity and the horizontal plane is 0~30 °.
4, refrigerating chamber cycling hot according to claim 3 is utilized defrosting refrigeration system, it is characterized in that: refrigerating chamber return air inlet and refrigerating chamber return air inlet all are positioned on the dividing plate (6), and near door-plate (7) side.
5, utilize defrosting refrigeration system according to each described refrigerating chamber cycling hot of claim 1 to 4, it is characterized in that: described evaporimeter is provided with an electric heater.
6, a kind of refrigerating chamber cycling hot is utilized the control method of defrosting refrigeration system, it is characterized in that may further comprise the steps:
During compressor start, the refrigerating chamber cooling cycle system begins periodic duty, and first fan starting, second blower fan quit work, and first MOD is opened, the second MOD closing cold room, when freezer temperature reached designated value, the refrigerating chamber cooling cycle system quit work;
During compressor shutdown; the refrigerating chamber cooling cycle system begins periodic duty; first blower fan quits work, second fan starting; first MOD closes entirely, second MOD is closed refrigerating chamber; enter the recyclegas of evaporimeter place cavity and the frost of evaporator surface carries out heat exchange from the refrigerating chamber return air inlet; cold air after the heat exchange enters refrigerating chamber freezes and humidification to refrigerating chamber, thereby finishes a circulation.
7, refrigerating chamber cycling hot according to claim 6 is utilized the control method of defrosting refrigeration system, it is characterized in that: when freezer temperature has surpassed designated value, but frost is not also changed when clean, starts the electric heater of being located in the cavity of evaporimeter place and compensates defrost.
CNA2008102199048A 2008-12-12 2008-12-12 Cold storage room circulation heat utilization defrosting refrigeration system and control method thereof CN101435648A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2008102199048A CN101435648A (en) 2008-12-12 2008-12-12 Cold storage room circulation heat utilization defrosting refrigeration system and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2008102199048A CN101435648A (en) 2008-12-12 2008-12-12 Cold storage room circulation heat utilization defrosting refrigeration system and control method thereof

Publications (1)

Publication Number Publication Date
CN101435648A true CN101435648A (en) 2009-05-20

Family

ID=40710217

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2008102199048A CN101435648A (en) 2008-12-12 2008-12-12 Cold storage room circulation heat utilization defrosting refrigeration system and control method thereof

Country Status (1)

Country Link
CN (1) CN101435648A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101995131A (en) * 2009-08-12 2011-03-30 日立空调·家用电器株式会社 Refrigerator
CN102287986A (en) * 2011-07-01 2011-12-21 合肥美的荣事达电冰箱有限公司 Air cooling refrigerator and control method thereof
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
CN102466382A (en) * 2010-11-10 2012-05-23 安徽康佳同创电器有限公司 Air-cooling refrigerator and defrosting method thereof
CN103256774A (en) * 2012-02-15 2013-08-21 日立空调·家用电器株式会社 Refrigerator
CN103335469A (en) * 2013-07-15 2013-10-02 合肥美的电冰箱有限公司 Control method of air cooling refrigerator and air cooling refrigerator
CN104048476A (en) * 2013-03-13 2014-09-17 合肥美的电冰箱有限公司 Variable frequency control method for inverter refrigerator comprising automatic defrosting system
CN105627669A (en) * 2016-02-26 2016-06-01 合肥美的电冰箱有限公司 Refrigerating device
CN106288612A (en) * 2016-08-25 2017-01-04 合肥美菱股份有限公司 A kind of defrost energy-saving control method of wind cooling refrigerator
CN106382785A (en) * 2016-08-31 2017-02-08 成都鲜生活冷链物流有限公司 Defrosting method for cold chain transport vehicle
CN107504756A (en) * 2017-09-29 2017-12-22 合肥华凌股份有限公司 Reduce defrost time digital control method, control system and refrigerator and readable storage medium storing program for executing
CN108195116A (en) * 2018-03-21 2018-06-22 合肥华凌股份有限公司 Ducting assembly and refrigerator

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101995131B (en) * 2009-08-12 2014-09-10 日立空调·家用电器株式会社 Refrigerator
CN101995131A (en) * 2009-08-12 2011-03-30 日立空调·家用电器株式会社 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
CN102466382A (en) * 2010-11-10 2012-05-23 安徽康佳同创电器有限公司 Air-cooling refrigerator and defrosting method thereof
CN102287986A (en) * 2011-07-01 2011-12-21 合肥美的荣事达电冰箱有限公司 Air cooling refrigerator and control method thereof
CN103256774A (en) * 2012-02-15 2013-08-21 日立空调·家用电器株式会社 Refrigerator
CN103256774B (en) * 2012-02-15 2015-08-05 日立空调·家用电器株式会社 Refrigerator
CN104048476A (en) * 2013-03-13 2014-09-17 合肥美的电冰箱有限公司 Variable frequency control method for inverter refrigerator comprising automatic defrosting system
CN104048476B (en) * 2013-03-13 2016-02-24 合肥美的电冰箱有限公司 A kind of method for controlling frequency conversion of the frequency conversion refrigerator containing automatic defrosting system
CN103335469A (en) * 2013-07-15 2013-10-02 合肥美的电冰箱有限公司 Control method of air cooling refrigerator and air cooling refrigerator
CN105627669A (en) * 2016-02-26 2016-06-01 合肥美的电冰箱有限公司 Refrigerating device
CN106288612A (en) * 2016-08-25 2017-01-04 合肥美菱股份有限公司 A kind of defrost energy-saving control method of wind cooling refrigerator
CN106382785A (en) * 2016-08-31 2017-02-08 成都鲜生活冷链物流有限公司 Defrosting method for cold chain transport vehicle
CN107504756A (en) * 2017-09-29 2017-12-22 合肥华凌股份有限公司 Reduce defrost time digital control method, control system and refrigerator and readable storage medium storing program for executing
CN108195116A (en) * 2018-03-21 2018-06-22 合肥华凌股份有限公司 Ducting assembly and refrigerator
CN108195116B (en) * 2018-03-21 2020-12-15 合肥华凌股份有限公司 Air duct assembly and refrigerator

Similar Documents

Publication Publication Date Title
CN102022887B (en) Refrigerator
CN1120342C (en) Refrigerator and control method thereof
CN102679685B (en) Air-cooled refrigerator and energy-saving defrosting control method thereof
CN106196826B (en) Wind cooling refrigerator and its dehumanization method
CN102980344B (en) Refrigerator
CN102997548B (en) Refrigerator
CN102954666B (en) Refrigerator defrost control method
CN204787506U (en) Cold -storage storehouse that keeps fresh
CN2919143Y (en) Humidity automatically controlled refrigerator
CN101566415B (en) Energy-conserving refrigerator
CN109269191B (en) Refrigeration equipment with deep freezing function and control method thereof
JP6074596B2 (en) refrigerator
CN107120899B (en) A kind of wind cooling refrigerator and its defrosting control method
CN103474714B (en) Electric automobile power battery constant temperature method and system thereof
CN201281520Y (en) Non-frost refrigerator control system
AU2017398148B2 (en) Refrigerator
CN101738054B (en) Method for defrosting based on by-pass circulating defrosting structure of refrigerator
CN203572126U (en) Unfreezing fresh-keeping chamber in refrigerator
CN103868309B (en) The device utilizing freezer outside air auxiliary electrical heater to defrost and the method for operation thereof
CN105698462B (en) A kind of direct cooling refrigerator blower control method system and refrigerator
CN104964506B (en) A kind of refrigerator for carrying defrosting room
CN101793454A (en) Intelligent defrosting control method of refrigerator
CN104728972B (en) A kind of energy storage type phase transformation air-conditioning system and its control method
CN103547872A (en) Refrigerator
CN105674669B (en) A kind of defrosting method of dual system wind cooling refrigerator

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Open date: 20090520