CN205090652U - Dual cycle refrigerating system of refrigerator - Google Patents
Dual cycle refrigerating system of refrigerator Download PDFInfo
- Publication number
- CN205090652U CN205090652U CN201520858486.2U CN201520858486U CN205090652U CN 205090652 U CN205090652 U CN 205090652U CN 201520858486 U CN201520858486 U CN 201520858486U CN 205090652 U CN205090652 U CN 205090652U
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- evaporimeter
- check valve
- entrance
- capillary
- switch unit
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- 230000009977 dual effect Effects 0.000 title abstract 2
- 241001522296 Erithacus rubecula Species 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 239000003507 refrigerant Substances 0.000 abstract description 13
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000004378 air conditioning Methods 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 description 17
- 238000007710 freezing Methods 0.000 description 7
- 230000008014 freezing Effects 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model discloses a dual cycle refrigerating system of refrigerator, the single -cold type intermediate temperature air -conditioning system comprises a compressor. Condensers. Switch unit, switch unit have entry, first export and second export, first capillary, its entry links to each other with the first export of switch unit, the second capillary, the entry of second capillary links to each other with the export of the second of switch unit, first evaporimeter, the entry of first evaporimeter links to each other with the export of first capillary, the second evaporimeter, the entry of second evaporimeter links to each other with the export of second capillary, first check valve, the entry of first check valve links to each other with the export of first evaporimeter, the second check valve, the entry of second check valve links to each other with the export of second evaporimeter. The utility model discloses the advantage: when freeze in one of them alternating temperature room, the check valve that another alternating temperature room corresponds can stop the refrigerant to flow back in the corresponding evaporimeter in this alternating temperature room, and the regulation refrigerant distributes in refrigerating system, has guaranteed that just the evaporimeter refrigerant in cryogenic alternating temperature room supplies the liquid measure sufficiently.
Description
Technical field
The utility model relates to technical field of refrigeration equipment, in particular a kind of double round robin cooling system of refrigerator.
Background technology
Current household refrigerator-freezer, can be adjusted to refrigeration warm area for realizing freezer temperature, introducing binary cycle system in parallel, and refrigeration evaporator and refrigerating evaporator are completely independent, and during refrigeration, two evaporimeters sequentially freeze as required successively.This system advantage is that two refrigeration compartment can adjust warm area arbitrarily as required, can realize, refrigeration-refrigeration, refrigeration-any combination such as freezing, frozen-refrigerated, freezing-freezing.Shortcoming is room between one of them is for high temperature, one when being room between low temperature, when between refrigeration is by low temperature, room switches to room between high temperature, because between low temperature, the evaporator temperature of room is lower, some refrigerant can be refluxed by muffler and be stored in the evaporimeter of room between pressure lower low temperature, the problem of cold-producing medium wretched insufficiency when occurring that between high temperature, freeze in room, cause the evaporator refrigeration inefficiency of room between high temperature, refrigerator power consumption is high.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of double round robin cooling system of refrigerator, for regulating the distribution of refrigerant in refrigeration system.
The utility model is achieved through the following technical solutions:
A double round robin cooling system for refrigerator, described refrigerator comprises room between two, and between described two, room is defined as the first temperature-changing chamber and the second temperature-changing chamber respectively, and described double round robin cooling system comprises:
Compressor, described compressor is positioned on rear side of the bottom of described refrigerator;
Condenser, the entrance of described condenser is connected with the outlet of described compressor;
Switch unit, described switch unit has entrance, the first outlet and the second outlet, and the entrance of described switch unit is connected with the outlet of described condenser;
First capillary, the entrance of described first capillary and first of described switch unit exports and is connected;
Second capillary, the entrance of described second capillary and second of described switch unit exports and is connected;
First evaporimeter, described first evaporimeter is arranged on the back of described first temperature-changing chamber, and the entrance of described first evaporimeter is connected with the outlet of described first capillary;
Second evaporimeter, described second evaporimeter is arranged on the back of described second temperature-changing chamber, and the entrance of described second evaporimeter is connected with the outlet of described second capillary;
First check valve, the entrance of described first check valve is connected with the outlet of described first evaporimeter, and the outlet of described first check valve is connected with the entrance of described compression;
Second check valve, the entrance of described second check valve is connected with the outlet of described second evaporimeter, and the outlet of described second check valve is connected with the entrance of described compression;
Control unit, described control unit is for controlling described switch unit.
Described switch unit is magnetic valve.
The utility model has the following advantages compared to existing technology:
1, the double round robin cooling system of a kind of refrigerator that the utility model provides, owing to being respectively arranged with check valve between the outlet and the entrance of compressor of two evaporimeters, when one of them temperature-changing chamber refrigeration and in the evaporimeter that in the evaporimeter of its correspondence, pressure (temperature) is corresponding higher than another temperature-changing chamber time pressure (temperature), the check valve that another temperature-changing chamber is corresponding can stop back flow of refrigerant in evaporimeter corresponding to this temperature-changing chamber, regulate the distribution of refrigerant in refrigeration system, ensure that the evaporator refrigerant liquid supply rate of the temperature-changing chamber freezed is sufficient, improve the refrigerating efficiency of refrigerator, reduce refrigerator power consumption.
2, when the evaporator pressure that the temperature-changing chamber freezed is corresponding is less than evaporator pressure corresponding to another temperature-changing chamber, some refrigerant in the evaporimeter that another temperature-changing chamber is corresponding can enter compressor by the check valve by its correspondence under compressor air suction effect, and reenter in evaporimeter corresponding to the temperature-changing chamber that freezing and participate in kind of refrigeration cycle, improve effective refrigerating efficiency of evaporimeter corresponding to the temperature-changing chamber that freezing further.
3, a kind of double round robin cooling system of refrigerator that provides of the utility model, can realize the requirement of the full warm area alternating temperature of two temperature-changing chambers of refrigerator, make the temperature regulating range of these two temperature-changing chambers can realize 8 ~-24 DEG C; User can according to actual needs independent assortment refrigeration, freezing temperature region volume.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Number in the figure: 1 compressor, 2 condensers, 3 devices for drying and filtering, 4 switch units, 51 first capillaries, 52 second capillaries, 61 first evaporimeters, 62 second evaporimeters, 71 first check valves, 72 second check valves.
Detailed description of the invention
Below embodiment of the present utility model is elaborated; the present embodiment is implemented under premised on technical solutions of the utility model; give detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
See Fig. 1, the double round robin cooling system of a kind of refrigerator that the utility model provides, this refrigerator comprises room between two, and between two, room is defined as the first temperature-changing chamber and the second temperature-changing chamber respectively, and this double round robin cooling system comprises:
Compressor 1, this compressor 1 is positioned on rear side of the bottom of refrigerator;
Condenser 2, the entrance of this condenser 2 is connected with the outlet of compressor 1;
Switch unit 4, this switch unit 4 can be magnetic valve, and this switch unit 4 has entrance, the first outlet and the second outlet, and the entrance of switch unit 4 is connected with the outlet of condenser 2;
First capillary 51, the entrance of this first capillary 51 and first of switch unit 4 exports and is connected;
Second capillary 52, the entrance of this second capillary 52 and second of switch unit 4 exports and is connected;
First evaporimeter 61, this first evaporimeter 61 is arranged on the back of the first temperature-changing chamber, and the entrance of the first evaporimeter 61 is connected with the outlet of the first capillary 51;
Second evaporimeter 62, this second evaporimeter 62 is arranged on the back of the second temperature-changing chamber, and the entrance of the second evaporimeter 62 is connected with the outlet of the second capillary 52;
First check valve 71, the entrance of this first check valve 71 is connected with the outlet of the first evaporimeter 61, the outlet of the first check valve 71 is connected with the entrance of compression, and this first check valve 71 is normally open along its entrance to Way out, and being exported to Way in along it is normally off;
Second check valve 72, the entrance of this second check valve 72 is connected with the outlet of the second evaporimeter 62, the outlet of the second check valve 72 is connected with the entrance of compression, and this second check valve 72 is normally open along its entrance to Way out, and being exported to Way in along it is normally off;
Control unit, this control unit is for controlling switch unit 4.
In this double round robin cooling system, the adjustable temperature scope of the first temperature-changing chamber and the second temperature-changing chamber can reach between-24 ~ 8 DEG C, and two temperature-changing chambers all possess wide cut alternating temperature function.
When the first temperature-changing chamber refrigeration, cold-producing medium enters the branch road of the first capillary 51 and the first evaporimeter 61 correspondence successively by compressor 1, condenser 2, device for drying and filtering 3, switch unit 4, form kind of refrigeration cycle.When the first evaporimeter 61 pressure is higher than the second evaporimeter 62 pressure, the second check valve 72 can stop in back flow of refrigerant to the second evaporimeter 62, ensures that the refrigerant feed liquid amount of the first evaporimeter 61 that the first temperature-changing chamber of freezing is corresponding is sufficient.When the first evaporimeter 61 pressure is less than the second evaporimeter 62 pressure, some refrigerant in second evaporimeter 62 enters compressor 1 by the second check valve 72 under compressor 1 getter action, and reenter in the first evaporimeter 61 and participate in kind of refrigeration cycle, improve effective refrigerating efficiency of the first evaporimeter 61 corresponding to the first temperature-changing chamber of freezing.
Same, when the second temperature-changing chamber refrigeration, the principle that the first 71 pairs, check valve refrigerant regulates is similar.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (2)
1. a double round robin cooling system for refrigerator, described refrigerator comprises room between two, and between described two, room is defined as the first temperature-changing chamber and the second temperature-changing chamber respectively, it is characterized in that, described double round robin cooling system comprises:
Compressor, described compressor is positioned on rear side of the bottom of described refrigerator;
Condenser, the entrance of described condenser is connected with the outlet of described compressor;
Switch unit, described switch unit has entrance, the first outlet and the second outlet, and the entrance of described switch unit is connected with the outlet of described condenser;
First capillary, the entrance of described first capillary and first of described switch unit exports and is connected;
Second capillary, the entrance of described second capillary and second of described switch unit exports and is connected;
First evaporimeter, described first evaporimeter is arranged on the back of described first temperature-changing chamber, and the entrance of described first evaporimeter is connected with the outlet of described first capillary;
Second evaporimeter, described second evaporimeter is arranged on the back of described second temperature-changing chamber, and the entrance of described second evaporimeter is connected with the outlet of described second capillary;
First check valve, the entrance of described first check valve is connected with the outlet of described first evaporimeter, and the outlet of described first check valve is connected with the entrance of described compression;
Second check valve, the entrance of described second check valve is connected with the outlet of described second evaporimeter, and the outlet of described second check valve is connected with the entrance of described compression;
Control unit, described control unit is for controlling described switch unit.
2. the double round robin cooling system of a kind of refrigerator as claimed in claim 1, is characterized in that: described switch unit is magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520858486.2U CN205090652U (en) | 2015-10-28 | 2015-10-28 | Dual cycle refrigerating system of refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520858486.2U CN205090652U (en) | 2015-10-28 | 2015-10-28 | Dual cycle refrigerating system of refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205090652U true CN205090652U (en) | 2016-03-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520858486.2U Active CN205090652U (en) | 2015-10-28 | 2015-10-28 | Dual cycle refrigerating system of refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205090652U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180494A (en) * | 2015-10-28 | 2015-12-23 | 合肥美菱股份有限公司 | Double-cycle refrigerating system of refrigerator |
-
2015
- 2015-10-28 CN CN201520858486.2U patent/CN205090652U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180494A (en) * | 2015-10-28 | 2015-12-23 | 合肥美菱股份有限公司 | Double-cycle refrigerating system of refrigerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 230601 No. 2163 Lianhua Road, Hefei economic and Technological Development Zone, Anhui Patentee after: Changhong MeiLing Limited by Share Ltd Address before: 230061 No. 2163 Lianhua Road, Hefei economic and Technological Development Zone, Anhui Patentee before: Hefei Meiling Co., Ltd. |
|
| CP03 | Change of name, title or address |