CN201314739Y - A refrigerating system using circulating heat in a cold room - Google Patents
A refrigerating system using circulating heat in a cold room Download PDFInfo
- Publication number
- CN201314739Y CN201314739Y CNU2008202051154U CN200820205115U CN201314739Y CN 201314739 Y CN201314739 Y CN 201314739Y CN U2008202051154 U CNU2008202051154 U CN U2008202051154U CN 200820205115 U CN200820205115 U CN 200820205115U CN 201314739 Y CN201314739 Y CN 201314739Y
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- China
- Prior art keywords
- evaporator
- cavity
- room
- air duct
- refrigerating chamber
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- Expired - Fee Related
Links
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 238000010257 thawing Methods 0.000 claims abstract description 16
- 238000007710 freezing Methods 0.000 claims abstract 9
- 230000008014 freezing Effects 0.000 claims abstract 9
- 238000005057 refrigeration Methods 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000001351 cycling effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000013611 frozen food Nutrition 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
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- Devices That Are Associated With Refrigeration Equipment (AREA)
- Defrosting Systems (AREA)
Abstract
The utility model relates to the technical field of refrigerator defrosting cooling control, disclosing a refrigerator defrosting cooling system by using cooling chamber circulating heat; the system includes a cooling chamber (1), a freezing chamber (2), a cavity (3) where the evaporator is arranged, a first air duct (4) connecting the freezing chamber (2) and the cavity (3) where the evaporator is arranged and a second air duct (5) connecting the cooling chamber (1) and the cavity (3) where the evaporator is arranged. The first air duct (4) is provided with a first fan (M1); the second air duct (5) is provided with a second fan (M2). A first electrical air door (K1) is arranged at the connecting port of the first air duct (4) and the cavity (3) where the evaporator is arranged. A second electrical air doors (K2) are arranged at the air inlet (8) of the cooling chamber and the air inlet (9) of the freezing chamber. The system can effectively lower the energy consumption of the refrigerator.
Description
Technical field
The utility model relates to refrigerator defrost refrigeration control technology field, and is particularly a kind of by utilizing the refrigerator defrost refrigeration control system of refrigerating chamber cycling hot.
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.
The utility model content
At the shortcoming of prior art, the purpose of this utility model provides a kind of refrigerating chamber cycling hot that effectively cuts down the consumption of energy and utilizes the refrigerator defrosting refrigeration system.
For achieving the above object, the technical solution of the utility model 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.
Compared with prior art, the utility model 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 the utility model refrigerating chamber cycling hot.
Fig. 2 is the structural representation of the utility model MOD K1;
Fig. 3 is the structural representation of the utility model MOD K2.
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 (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202051154U CN201314739Y (en) | 2008-12-12 | 2008-12-12 | A refrigerating system using circulating heat in a cold room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202051154U CN201314739Y (en) | 2008-12-12 | 2008-12-12 | A refrigerating system using circulating heat in a cold room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201314739Y true CN201314739Y (en) | 2009-09-23 |
Family
ID=41126536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202051154U Expired - Fee Related CN201314739Y (en) | 2008-12-12 | 2008-12-12 | A refrigerating system using circulating heat in a cold room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201314739Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620502A (en) * | 2012-04-17 | 2012-08-01 | 合肥美菱股份有限公司 | Refrigeration module for refrigerators |
| WO2015035886A1 (en) * | 2013-09-10 | 2015-03-19 | 海尔亚洲国际株式会社 | Refrigerator |
| CN104583695A (en) * | 2012-09-26 | 2015-04-29 | 日立空调·家用电器株式会社 | refrigerator |
| WO2017075931A1 (en) * | 2015-11-06 | 2017-05-11 | 青岛海尔特种电冰柜有限公司 | Refrigeration device and method for control super-cooling |
| 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 |
-
2008
- 2008-12-12 CN CNU2008202051154U patent/CN201314739Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620502A (en) * | 2012-04-17 | 2012-08-01 | 合肥美菱股份有限公司 | Refrigeration module for refrigerators |
| CN104583695A (en) * | 2012-09-26 | 2015-04-29 | 日立空调·家用电器株式会社 | refrigerator |
| CN104583695B (en) * | 2012-09-26 | 2016-09-28 | 日立空调·家用电器株式会社 | Refrigerator |
| WO2015035886A1 (en) * | 2013-09-10 | 2015-03-19 | 海尔亚洲国际株式会社 | Refrigerator |
| WO2017075931A1 (en) * | 2015-11-06 | 2017-05-11 | 青岛海尔特种电冰柜有限公司 | Refrigeration device and method for control super-cooling |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090923 Termination date: 20141212 |
|
| EXPY | Termination of patent right or utility model |