CN102798261B - Refrigerating system and refrigerating equipment having same - Google Patents
Refrigerating system and refrigerating equipment having same Download PDFInfo
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- CN102798261B CN102798261B CN201210324121.2A CN201210324121A CN102798261B CN 102798261 B CN102798261 B CN 102798261B CN 201210324121 A CN201210324121 A CN 201210324121A CN 102798261 B CN102798261 B CN 102798261B
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Abstract
The invention discloses a refrigerating system and refrigerating equipment having the same. The refrigerating system comprises a compressor, a first refrigerating branch, a second refrigerating branch and a switch unit, wherein the first refrigerating branch comprises a first condenser and a first evaporator connected in series and is connected with the compressor so that the first refrigerating branch finishes refrigerating; the second refrigerating branch comprises a second condenser and a second evaporator connected in series and is connected with the compressor so that the second refrigerating branch finishes refrigerating; and the switch unit is respectively connected with the first refrigerating branch, the second refrigerating branch and the compressor so that refrigerant in the compressor passes through the first refrigerating branch and/or the second refrigerating branch. According to the refrigerating system, the whole refrigerating system shares one compressor, and the evaporator and the condenser in each of the two refrigerating branches can be matched completely in the heat exchange efficiency.
Description
Technical field
The present invention relates to refrigerator technical field, in particular to a kind of refrigeration system and the refrigeration plant with it.
Background technology
Existing refrigeration plant is such as double-evaporator refrigerator, refrigeration system generally comprise the first evaporimeter, the second evaporimeter, compressor, condenser and transfer valve.The first evaporimeter and condenser and compressor can be made to form the first refrigeration branch by operation transfer valve, the second evaporimeter forms the second refrigeration branch with condenser and compressor.
The first evaporimeter in first refrigeration branch and the second evaporimeter in the second refrigeration branch may be diverse evaporimeter, so condenser cannot not only mate with the first evaporimeter but also mate with the second evaporimeter.
Because condenser all cannot mate from different evaporimeters, the refrigeration system of described double-evaporator refrigerator cannot reach optimal state when freezing, and namely two refrigeration branch cannot make same condenser mate from the heat exchanger effectiveness of different evaporimeters.Refrigerating efficiency is caused to decline.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.
In view of this, the present invention needs to provide refrigeration system, and described refrigeration system at least can improve the refrigerating efficiency of double-evaporator refrigerator.In addition, the present invention also needs to provide a kind of refrigeration plant with above-mentioned refrigeration system.
Bright first aspect, provides a kind of refrigeration system, comprising: compressor; First refrigeration branch, described first refrigeration branch comprises the first condenser and first evaporimeter of series connection, and described first refrigeration branch is connected with described compressor to make described first refrigeration branch complete refrigeration; Second refrigeration branch, described second refrigeration branch comprises the second condenser and second evaporimeter of series connection, and described second refrigeration branch is connected with described compressor to make described second refrigeration branch complete refrigeration; Switch unit, described switch unit is connected with described compressor with described first refrigeration branch, described second refrigeration branch respectively, to make the cold-producing medium in compressor by described first refrigeration branch and/or the second refrigeration branch.
Refrigeration system according to an embodiment of the invention, whole refrigeration system shares a compressor, in first refrigeration branch and the second refrigeration branch, all there is the evaporimeter and condenser that mutually mate, and condenser in two refrigeration branch and evaporimeter are all separate, evaporimeter in each refrigeration branch and the heat exchanger effectiveness of condenser can mate completely, thus, the refrigerating efficiency of refrigeration system can be improved.
According to one embodiment of present invention, described switch unit has the first to the 3rd interface, and described first interface is connected with the outlet of described compressor, and described second interface is connected with described first condenser, and described 3rd interface is connected with described second condenser.
According to one embodiment of present invention, described switch unit is transfer valve.
According to one embodiment of present invention, described transfer valve is magnetic valve.
According to one embodiment of present invention, there is three condenser in parallel with described second condenser in described second refrigeration branch, the entrance of described 3rd condenser is connected with described second refrigeration branch by valve, contiguous described first evaporimeter of described 3rd condenser is arranged, with when described valve open to described first evaporimeter defrost.
According to one embodiment of present invention, described valve is magnetic valve.
According to one embodiment of present invention, refrigeration system also comprises the white quantity sensor for detecting the frost amount on described first evaporimeter, the frost amount wherein detected when described white quantity sensor is greater than described valve when the first predetermined frost is measured makes the cold-producing medium in described second refrigeration branch by described 3rd condenser to heat described first evaporimeter, and described valve makes the refrigerant bypass in described second refrigeration branch cross described 3rd condenser to stop heating described first evaporimeter when the frost amount that described white quantity sensor detects is less than the second predetermined frost amount.
According to a second aspect of the invention, provide a kind of refrigeration plant, comprising: casing, described casing has the first and second refrigeration compartment; Chamber door, described chamber door is connected to open and close described refrigeration compartment with described casing; And refrigeration system, described refrigeration system to be located in described casing and be the refrigeration system according to any one of claim 1-8, and the first and second refrigeration branch of described refrigeration system are respectively used to freeze to described first and second refrigeration compartment.
Refrigeration plant according to an embodiment of the invention, there is the refrigeration system of double evaporators, this refrigeration system shares a compressor, in first refrigeration branch and the second refrigeration branch, all there is the evaporimeter and condenser that mutually mate, and condenser in two refrigeration branch and evaporimeter are all separate, evaporimeter in each refrigeration branch and the heat exchanger effectiveness of condenser can mate completely, thus, can improve the refrigerating efficiency of refrigeration system.
According to one embodiment of present invention, described first refrigeration compartment is refrigerating chamber, and described second refrigeration compartment is refrigerating chamber.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 shows the structural representation of refrigeration system according to an embodiment of the invention; And
Fig. 2 shows the structural representation of refrigeration system according to another embodiment of the invention.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
As shown in Figure 1 and Figure 2, refrigeration system according to an embodiment of the invention, comprising: compressor 10, first refrigeration branch 20, second refrigeration branch 30 and switch unit 40.
Specifically, the first refrigeration branch 20 comprises the first condenser 21 of series connection and the first evaporimeter 22, first refrigeration branch 20 is connected with compressor 10 to make the first refrigeration branch 20 complete refrigeration.
Second refrigeration branch 30 comprises the second condenser 31 of series connection and the second evaporimeter 32, second refrigeration branch 30 is connected with compressor 10 to make the second refrigeration branch 30 complete refrigeration.
It should be noted that the first refrigeration branch 20 and compressor 10, second refrigeration branch 30 and compressor 10 can form separate refrigerating circuit respectively, thus respectively to different refrigeration compartment, such as, can be the different refrigeration compartment of refrigerator, freeze.
Switch unit 40 is connected with compressor 10 with the first refrigeration branch 20, second refrigeration branch 30 respectively, to make cold-producing medium in compressor 10 by the first refrigeration branch 20 and/or the second refrigeration branch 30.In other words, the first refrigeration branch 20 can be made to freeze and make the second refrigeration branch 30 stop refrigeration, make the first refrigeration branch 20 stop refrigeration and the second refrigeration branch 30 freezed or the first refrigeration branch 20 and the second refrigeration branch 30 are freezed simultaneously.
Refrigeration system according to an embodiment of the invention, whole refrigeration system shares a compressor 10, in first refrigeration branch 20 and the second refrigeration branch 30, all there is the evaporimeter and condenser that mutually mate, and condenser in two refrigeration branch and evaporimeter are all separate, evaporimeter in each refrigeration branch and the heat exchanger effectiveness of condenser can mate completely, thus, the refrigerating efficiency of refrigeration system can be improved.
As shown in Figure 1, according to one embodiment of present invention, switch unit 40 has first interface 41, second interface 42 and the 3rd interface 43, and described first interface 41 is connected with the outlet 101 of compressor 10, second interface 42 is connected with the first condenser 21, and the 3rd interface 43 is connected with the second condenser 31.Thus, the connected sum of the outlet 11 and the first condenser 21 and the second condenser 31 that can control compressor 10 by operation switch unit 40 disconnects, and disconnects with the connected sum controlling compressor 10 and the first refrigeration branch 20 and the second refrigeration branch.It should be noted that, switch unit 40 can be transfer valve.Closer, described transfer valve can be magnetic valve, thus, can just be controlled by the flow direction of switch unit 40 pairs of cold-producing mediums.
As shown in Figure 2, according to another embodiment of the present invention, there is three condenser 33 in parallel with the second condenser 31 in the second refrigeration branch 30, the entrance 331 of the 3rd condenser 33 is connected with the second refrigeration branch 20 by valve 50, such as valve 40 can be magnetic valve, contiguous first evaporimeter 22 of 3rd condenser 33 is arranged, with when valve 50 is opened to the first evaporimeter 22 defrost.Such as the first evaporimeter 22 is corresponding with the refrigerating chamber of refrigerator, can cold-producing medium be made by the 3rd condenser 33 by by-pass valve control 50, and by control switch unit 40 make cold-producing medium not by the first evaporimeter 22, thus, condenser 33 can externally heat release to heat defrost to the first evaporimeter 22.
According to one embodiment of present invention, refrigeration system also comprises the white quantity sensor (not shown) for detecting the frost amount on the first evaporimeter 22, wherein when the frost amount that white quantity sensor detects is greater than the first predetermined frost amount, valve 50 makes the cold-producing medium in the second refrigeration branch 30 by the 3rd condenser 33 to heat described first evaporimeter 22, and valve 50 makes the refrigerant bypass in the second refrigeration branch 30 cross the 3rd condenser 33 to stop heating first evaporimeter 22 when the frost amount that white quantity sensor detects is less than the second predetermined frost amount.Thus, can realize the first evaporimeter 22 defrost.
Refrigeration plant (for illustrating) according to an embodiment of the invention, this refrigeration plant can be refrigerator.It can comprise: casing, chamber door and refrigeration system.
Specifically, casing can have first room and the second refrigeration compartment.Such as first room can be refrigerating chamber, and second room can be refrigerating chamber, and described first room is corresponding with the first evaporimeter, and described second room is corresponding with described second evaporimeter.
Chamber door is connected to open and close refrigeration compartment with casing.
Refrigeration system can be located in casing and be the refrigeration system according to the above embodiment of the present invention, and the first refrigeration branch 20 of refrigeration system and the second refrigeration branch 30 are respectively used to freeze to the first refrigeration compartment and the second refrigeration compartment.
Refrigeration plant according to an embodiment of the invention, there is the refrigeration system of double evaporators, this refrigeration system shares a compressor 10, in first refrigeration branch 20 and the second refrigeration branch 30, all there is the evaporimeter and condenser that mutually mate, and condenser in two refrigeration branch and evaporimeter are all separate, evaporimeter in each refrigeration branch and the heat exchanger effectiveness of condenser can mate completely, thus, can improve the refrigerating efficiency of refrigeration system.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that, can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (8)
1. a refrigeration system, is characterized in that, comprising:
Compressor;
First refrigeration branch, described first refrigeration branch comprises the first condenser and first evaporimeter of series connection, and described first refrigeration branch is connected with described compressor to make described first refrigeration branch complete refrigeration;
Second refrigeration branch, described second refrigeration branch comprises the second condenser and second evaporimeter of series connection, and described second refrigeration branch is connected with described compressor to make described second refrigeration branch complete refrigeration;
Switch unit, described switch unit is connected with described compressor with described first refrigeration branch, described second refrigeration branch respectively, to make the cold-producing medium in compressor by described first refrigeration branch and/or the second refrigeration branch;
There is three condenser in parallel with described second condenser in described second refrigeration branch, the entrance of described 3rd condenser is connected with described second refrigeration branch by valve, contiguous described first evaporimeter of described 3rd condenser is arranged, with when described valve open to described first evaporimeter defrost.
2. refrigeration system according to claim 1, it is characterized in that, described switch unit has the first to the 3rd interface, and described first interface is connected with the outlet of described compressor, described second interface is connected with described first condenser, and described 3rd interface is connected with described second condenser.
3. refrigeration system according to claim 1, is characterized in that, described switch unit is transfer valve.
4. refrigeration system according to claim 3, is characterized in that, described transfer valve is magnetic valve.
5. refrigeration system according to claim 1, is characterized in that, described valve is magnetic valve.
6. refrigeration system according to claim 1, it is characterized in that, also comprise the white quantity sensor for detecting the frost amount on described first evaporimeter, the frost amount wherein detected when described white quantity sensor is greater than described valve when the first predetermined frost is measured makes the cold-producing medium in described second refrigeration branch by described 3rd condenser to heat described first evaporimeter, and described valve makes the refrigerant bypass in described second refrigeration branch cross described 3rd condenser to stop heating described first evaporimeter when the frost amount that described white quantity sensor detects is less than the second predetermined frost amount.
7. a refrigeration plant, is characterized in that, comprising:
Casing, described casing has the first and second refrigeration compartment;
Chamber door, described chamber door is connected to open and close described refrigeration compartment with described casing; With
Refrigeration system, described refrigeration system to be located in described casing and be the refrigeration system according to any one of claim 1-6, and the first and second refrigeration branch of described refrigeration system are respectively used to freeze to described first and second refrigeration compartment.
8. refrigeration plant according to claim 7, is characterized in that, described first refrigeration compartment is refrigerating chamber, and described second refrigeration compartment is refrigerating chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210324121.2A CN102798261B (en) | 2012-09-04 | 2012-09-04 | Refrigerating system and refrigerating equipment having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210324121.2A CN102798261B (en) | 2012-09-04 | 2012-09-04 | Refrigerating system and refrigerating equipment having same |
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| Publication Number | Publication Date |
|---|---|
| CN102798261A CN102798261A (en) | 2012-11-28 |
| CN102798261B true CN102798261B (en) | 2014-12-17 |
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| CN201210324121.2A Active CN102798261B (en) | 2012-09-04 | 2012-09-04 | Refrigerating system and refrigerating equipment having same |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865130A (en) * | 2016-04-27 | 2016-08-17 | 青岛海尔股份有限公司 | Constant-temperature refrigerator and control method thereof |
| CN106091503B (en) * | 2016-05-30 | 2018-05-11 | 合肥华凌股份有限公司 | A kind of automatic defrosting system and refrigeration plant |
| CN107543352A (en) * | 2017-09-11 | 2018-01-05 | 芜湖凡达机械科技有限公司 | A kind of refrigerator |
| 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 |
| CN110617659A (en) * | 2019-09-26 | 2019-12-27 | Tcl家用电器（合肥）有限公司 | Ice making assembly, ice making system and refrigerator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1502952A (en) * | 2002-11-26 | 2004-06-09 | 乐金电子(天津)电器有限公司 | Heat pump type multi-channel air conditioner |
| CN2766196Y (en) * | 2004-11-12 | 2006-03-22 | 小天鹅（荆州）电器有限公司 | Improved multi-circulation refrigerating system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005127654A (en) * | 2003-10-27 | 2005-05-19 | Matsushita Electric Ind Co Ltd | Freezer-refrigerator |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1502952A (en) * | 2002-11-26 | 2004-06-09 | 乐金电子(天津)电器有限公司 | Heat pump type multi-channel air conditioner |
| CN2766196Y (en) * | 2004-11-12 | 2006-03-22 | 小天鹅（荆州）电器有限公司 | Improved multi-circulation refrigerating system |
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| CN102798261A (en) | 2012-11-28 |
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| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 230601 Hefei Changjiang Road, Anhui, No. 669 Applicant after: Hefei Midea Refrigerator Co., Ltd. Address before: 230601 Hefei Changjiang Road, Anhui, No. 669 Applicant before: Hefei Media Rongshida Refrigerator Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: HEFEI MEDIA RONGSHIDA REFRIGERATOR CO., LTD. TO: HEFEI MIDEA REFRIGERATORCO., LTD. |
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