CN105180494A - Double-cycle refrigerating system of refrigerator - Google Patents
Double-cycle refrigerating system of refrigerator Download PDFInfo
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- CN105180494A CN105180494A CN201510726805.9A CN201510726805A CN105180494A CN 105180494 A CN105180494 A CN 105180494A CN 201510726805 A CN201510726805 A CN 201510726805A CN 105180494 A CN105180494 A CN 105180494A
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Abstract
The invention discloses a double-cycle refrigerating system of a refrigerator. The double-cycle refrigerating system of the refrigerator comprises the components of a compressor; a condenser; a switching unit which is provided with an inlet, a first outlet and a second outlet; a first capillary of which the inlet is connected with the first outlet of the switching unit; a second capillary of which the inlet is connected with the second outlet of the switching unit; a first evaporator of which the inlet is connected with the outlet of the first capillary; a second evaporator of which the inlet is connected with the outlet of the second capillary; a first check valve of which the inlet is connected with the outlet of the first evaporator; and a second check valve of which the inlet is connected with the outlet of the second evaporator. The double-cycle refrigerating system of the refrigerator is advantageous in that when refrigeration is performed in one variable-temperature chamber, the check valve which corresponds with the other variable-temperature chamber stops backflow of a refrigerant into the evaporator that corresponds with the former variable-temperature chamber, thereby adjusting distribution of a refrigerant in the refrigerating system, and ensuring sufficient supply amount of evaporator refrigerant to the variable-temperature chamber in refrigerating.
Description
Technical field
The present invention 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.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of double round robin cooling system of refrigerator, for regulating the distribution of refrigerant in refrigeration system.
The present invention is achieved by 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 present invention has the following advantages compared to existing technology:
1, the double round robin cooling system of a kind of refrigerator provided by the invention, 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, the double round robin cooling system of a kind of refrigerator provided by the invention, 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 invention.
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
Elaborate to embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
See Fig. 1, the double round robin cooling system of a kind of refrigerator provided by the invention, 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 invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
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 |
|---|---|---|---|
| CN201510726805.9A CN105180494A (en) | 2015-10-28 | 2015-10-28 | Double-cycle refrigerating system of refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510726805.9A CN105180494A (en) | 2015-10-28 | 2015-10-28 | Double-cycle refrigerating system of refrigerator |
Publications (1)
| Publication Number | Publication Date |
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| CN105180494A true CN105180494A (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510726805.9A Pending CN105180494A (en) | 2015-10-28 | 2015-10-28 | Double-cycle refrigerating system of refrigerator |
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| CN (1) | CN105180494A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871541A (en) * | 2017-02-14 | 2017-06-20 | 合肥美的电冰箱有限公司 | The control method of refrigeration plant and reduction coolant noise |
| CN108458523A (en) * | 2018-03-23 | 2018-08-28 | 辽宁科技学院 | A kind of method for diagnosing faults of refrigerator double round robin cooling system |
| CN108955033A (en) * | 2018-08-10 | 2018-12-07 | 长虹美菱股份有限公司 | A kind of refrigerator refrigeration system and its control method |
| CN109114831A (en) * | 2018-10-15 | 2019-01-01 | 河南增益信基供应链有限公司 | A kind of ammonia refrigeration system |
| CN109883109A (en) * | 2019-02-26 | 2019-06-14 | 青岛海尔特种电冰柜有限公司 | Multi-cycle refrigerator |
| CN111435052A (en) * | 2019-01-11 | 2020-07-21 | 青岛海尔智能技术研发有限公司 | Condensation heat recovery system and refrigerator |
| CN111520937A (en) * | 2019-02-05 | 2020-08-11 | 奥迪股份公司 | Method for operating a refrigerant circuit of a refrigeration system of a vehicle |
| CN113606806A (en) * | 2021-08-26 | 2021-11-05 | 中山市凯腾电器有限公司 | Double-temperature refrigeration system and operation control method thereof |
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| CN202813863U (en) * | 2012-08-20 | 2013-03-20 | 海尔集团公司 | Horizontal type double-temperature refrigerator refrigerating and freezing switch refrigerating system |
| CN204128235U (en) * | 2014-04-25 | 2015-01-28 | 合肥晶弘电器有限公司 | A kind of refrigeration system and refrigerator |
| CN204555490U (en) * | 2015-03-13 | 2015-08-12 | 合肥华凌股份有限公司 | Refrigerator |
| CN205090652U (en) * | 2015-10-28 | 2016-03-16 | 合肥美菱股份有限公司 | Dual cycle refrigerating system of refrigerator |
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| CN201508075U (en) * | 2009-07-29 | 2010-06-16 | 佛山市顺德区安博基业电子器械有限公司 | Discrete circulating liquor cabinet |
| CN202813863U (en) * | 2012-08-20 | 2013-03-20 | 海尔集团公司 | Horizontal type double-temperature refrigerator refrigerating and freezing switch refrigerating system |
| CN204128235U (en) * | 2014-04-25 | 2015-01-28 | 合肥晶弘电器有限公司 | A kind of refrigeration system and refrigerator |
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| CN205090652U (en) * | 2015-10-28 | 2016-03-16 | 合肥美菱股份有限公司 | Dual cycle refrigerating system of refrigerator |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871541A (en) * | 2017-02-14 | 2017-06-20 | 合肥美的电冰箱有限公司 | The control method of refrigeration plant and reduction coolant noise |
| CN108458523A (en) * | 2018-03-23 | 2018-08-28 | 辽宁科技学院 | A kind of method for diagnosing faults of refrigerator double round robin cooling system |
| CN108955033A (en) * | 2018-08-10 | 2018-12-07 | 长虹美菱股份有限公司 | A kind of refrigerator refrigeration system and its control method |
| CN109114831A (en) * | 2018-10-15 | 2019-01-01 | 河南增益信基供应链有限公司 | A kind of ammonia refrigeration system |
| CN109114831B (en) * | 2018-10-15 | 2024-03-19 | 河南增益信基供应链有限公司 | Ammonia refrigerating system |
| CN111435052A (en) * | 2019-01-11 | 2020-07-21 | 青岛海尔智能技术研发有限公司 | Condensation heat recovery system and refrigerator |
| CN111520937A (en) * | 2019-02-05 | 2020-08-11 | 奥迪股份公司 | Method for operating a refrigerant circuit of a refrigeration system of a vehicle |
| CN111520937B (en) * | 2019-02-05 | 2022-03-04 | 奥迪股份公司 | Method for operating a refrigerant circuit of a refrigeration system of a vehicle |
| US11904654B2 (en) * | 2019-02-05 | 2024-02-20 | Audi Ag | Method for operating a refrigerant circuit of a cooling system of a vehicle |
| CN109883109A (en) * | 2019-02-26 | 2019-06-14 | 青岛海尔特种电冰柜有限公司 | Multi-cycle refrigerator |
| CN113606806A (en) * | 2021-08-26 | 2021-11-05 | 中山市凯腾电器有限公司 | Double-temperature refrigeration system and operation control method thereof |
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| PB01 | Publication | ||
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Application publication date: 20151223 |