CN103017427A - Refrigerator and refrigerating system thereof - Google Patents
Refrigerator and refrigerating system thereof Download PDFInfo
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- CN103017427A CN103017427A CN2013100093995A CN201310009399A CN103017427A CN 103017427 A CN103017427 A CN 103017427A CN 2013100093995 A CN2013100093995 A CN 2013100093995A CN 201310009399 A CN201310009399 A CN 201310009399A CN 103017427 A CN103017427 A CN 103017427A
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Abstract
The invention discloses a refrigerator and a refrigerating system thereof. The refrigerating system comprises a refrigerating loop, a defrosting loop and a switching unit. The refrigerating loop comprises a compressor, a condenser and an evaporator which are in serial connection. The defrosting loop and switching unit are in parallel connection to the refrigerating loop. An outlet of the defrosting loop is connected with an inlet of the compressor. An inlet of the defrosting loop is connected with an outlet of the compressor. The switching unit is connected in the refrigerating loop and used for selectively allowing the defrosting loop to heat the evaporator. The defrosting loop can be selectively allowed to heat the evaporator so as to defrost the evaporator, so that defrosting is fast, efficient and energy-saving.
Description
Technical field
The present invention relates to field of domestic appliances manufacture technology, the refrigerator that particularly relates to a kind of refrigeration system for refrigerator and have this refrigeration system.
Background technology
Existing frost-free refrigerator and similar no-frost refrigeration device all adopt the Electric heating defrost, such as steel pipe heater, aluminum pipe heater, quartz tube heater, heater wire etc.Heating-up temperature is inhomogeneous, and the defrost quick-frozen is slow, and defrost efficient is low, and energy resource consumption is large.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least to a certain extent.
For this reason, one object of the present invention is to propose that a kind of defrost speed is fast, efficient is high and save the refrigeration system of energy consumption.
Another object of the present invention is to propose a kind of refrigerator with above-mentioned refrigeration system.
Refrigeration system according to the embodiment of the invention comprises: refrigerating circuit, described refrigerating circuit comprise compressor, condenser and the evaporimeter of series connection; Defrost loop and switch unit, described defrost loop is connected in parallel in the described refrigerating circuit and the outlet in described defrost loop links to each other with the import of described compressor and the import in described defrost loop links to each other with the outlet of described compressor, and described switch unit is connected to and is used in the described refrigerating circuit optionally described defrost loop being heated to described evaporimeter.
According to the refrigeration system of the embodiment of the invention, can optionally make described defrost loop that described evaporimeter is heated that described evaporimeter is carried out defrost, defrost speed is fast, efficient is high and save energy consumption.
In addition, refrigeration system according to the above embodiment of the present invention can also have following additional technical characterictic:
According to an example of the present invention, described switch unit comprises triple valve, described triple valve has the first to the 3rd interface, and the first interface of described triple valve links to each other with the outlet of described compressor and the second interface of described triple valve links to each other with the import of described condenser; Described defrost loop comprises condenser pipe and evaporation tube, and the import of described condenser pipe links to each other with the 3rd interface of described triple valve and the outlet of described condenser pipe links to each other with the import of described evaporation tube, and the outlet of described evaporation tube links to each other with the import of described compressor.
According to an example of the present invention, described defrost loop also comprises the first capillary, before described the first capillary is located at the import of described evaporation tube.
According to an example of the present invention, described refrigerating circuit also comprises device for drying and filtering, and described device for drying and filtering is located between the import of the outlet of described condenser and described evaporimeter.
According to an example of the present invention, described refrigerating circuit also comprises the second capillary, and described the second capillary is located between the import of the outlet of described device for drying and filtering and described evaporimeter.
According to an example of the present invention, when the second interface of the first interface of described triple valve and described triple valve was connected and disconnected with the 3rd interface of described triple valve, described refrigerating circuit was freezed.
According to an example of the present invention, when the 3rd interface of the first interface of described triple valve and described triple valve was connected and disconnected with the second interface of described triple valve, heated described evaporimeter in described defrost loop.
According to an example of the present invention, described switch unit comprises the first and second on-off valves, and described the first on-off valve is located between described condenser and the described evaporimeter in described refrigerating circuit; Described defrost loop comprises condenser pipe and evaporation tube, the import of described condenser pipe links to each other with the outlet of described compressor and the outlet of described condenser pipe links to each other with the import of described evaporation tube, the outlet of described evaporation tube links to each other with the import of described compressor, and described the second on-off valve is before described defrost loop is located at the import of described condenser pipe; When described the first on-off valve connection and the disconnection of described the second on-off valve, described refrigerating circuit is freezed; When described the first on-off valve disconnection and the connection of described the second on-off valve, heat described evaporimeter in described defrost loop.
According to an example of the present invention, described evaporation tube is wrapped on the outer wall of described compressor.
According to the refrigerator of the embodiment of the invention, comprise according to above-mentioned each described refrigeration system.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the schematic diagram of refrigeration system according to an embodiment of the invention; With
Fig. 2 is the schematic diagram of refrigeration system according to another embodiment of the present invention.
The specific embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein identical or similar label represents identical or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center "; " vertically "; " laterally "; " length "; " width "; " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of indications such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only be for convenience of description the present invention and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " a plurality of " is two or more, unless clear and definite concrete restriction is arranged in addition.
In the present invention, unless clear and definite regulation and restriction are arranged in addition, broad understanding should be done in the terms such as term " installation ", " linking to each other ", " connection ", " fixing ", for example, can be to be fixedly connected with, and also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can indirectly link to each other by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the present invention, unless clear and definite regulation and restriction are arranged in addition, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, can comprise that also the first and second features are not directly contacts but by the other feature contact between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that the First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under the Second Characteristic and tiltedly, or only represent that the First Characteristic level height is less than Second Characteristic.
Describe refrigeration system according to the embodiment of the invention in detail below with reference to accompanying drawing.
At first need to prove, mainly be applicable to the refrigeration plants such as refrigerator according to the refrigeration system of the embodiment of the invention.
As shown in Figure 1, the refrigeration system according to the embodiment of the invention comprises: refrigerating circuit 10 defrost loop 20 and switch units.
Refrigerating circuit 10 comprises compressor 11, condenser 12 and the evaporimeter 13 of series connection.
Particularly, according to an example of the present invention, described switch unit comprises triple valve.Described triple valve has first interface 31, the second interface 32 and the 3rd interface 33.The first interface 31 of described triple valve links to each other with the outlet of compressor 11 and the second interface 32 of described triple valve links to each other with the import of condenser 12.Defrost loop 20 comprises condenser pipe 22 and evaporation tube 21.The import of condenser pipe 22 links to each other with the 3rd interface 33 of described triple valve and the outlet of condenser pipe 22 links to each other with the import of evaporation tube 21.The outlet of evaporation tube 21 links to each other with the import of compressor 11.Advantageously, described triple valve can be magnetic valve, can realize automatic control thus.
Need to prove that at this arrow among Fig. 1 and Fig. 2 has been indicated the trend of cold-producing medium, therefore, above-mentioned " outlet " and " import " are understandable for the person of ordinary skill of the art, do not repeat them here.
When the first interface 31 of described triple valve was connected with the second interface 32 of described triple valve and disconnected with the 3rd interface 33 of described triple valve, refrigerating circuit 10 was freezed.
That is to say that in this case, cold-producing medium circulates to freeze in the refrigerating circuit 10 that compressor 11, condenser 12 and evaporimeter 13 consist of, and do not work in defrost loop 20, refrigerating circuit 10 is not exerted an influence.
When the first interface 31 of described triple valve was connected with the 3rd interface 33 of described triple valve and disconnected with the second interface 32 of described triple valve, the 20 pairs of evaporimeters 13 in defrost loop heated.
In other words, cold-producing medium is in compressor 11, condenser pipe 22, evaporation tube 21 interior circulations.High temperature refrigerant gas enters in the condenser pipe 22, with evaporimeter 13 outside frost layer heat exchange defrosts, in condenser pipe 22, be condensed into liquid, the liquid that becomes low-temp low-pressure through step-down flows into evaporation tube 21, the heat of vaporization that cold-producing medium in the evaporation tube 21 absorbs compressor 11 becomes high-temperature gas to reflux into compressor 11, to realize that evaporimeter 13 is carried out defrost.
According to the refrigeration system of the embodiment of the invention, can optionally make the 20 pairs of evaporimeters 13 in defrost loop heat that evaporimeter 13 is carried out defrost, defrost speed is fast, efficient is high and save energy consumption.
According to an example of the present invention, defrost loop 20 also comprises the first capillary 23.Before the first capillary 23 is located at the import of evaporation tube 21.Can carry out step-down to the cold-producing medium that flows out evaporimeter 13 thus.
According to an example of the present invention, refrigerating circuit 10 also comprises device for drying and filtering 14.Device for drying and filtering 14 is located between the import of the outlet of condenser 12 and evaporimeter 13.Advantageously, refrigerating circuit 10 also comprises the second capillary 15.The second capillary 15 is located between the import of the outlet of device for drying and filtering 14 and evaporimeter 13.
As shown in Figure 2, according to a concrete example of the present invention, the difference of itself and above-described embodiment is that described switch unit is different.That is, described switch unit comprises the first on-off valve 41 and the second on-off valve 42.The first on-off valve 41 is located between condenser 12 and the evaporimeter 13 in refrigerating circuit 10.The second on-off valve 42 is before defrost loop 20 is located at the import of condenser pipe 22.When 41 connections of the first on-off valve and 42 disconnection of the second on-off valve, refrigerating circuit 10 is freezed.When 41 disconnections of the first on-off valve and 42 connection of the second on-off valve, the 20 pairs of evaporimeters 13 in defrost loop heat, so that evaporimeter 13 is carried out defrost.
That is to say, adopt the combination of the first on-off valve 41 and the second on-off valve 42, substitute the function of described triple valve.
According to the refrigeration system of the embodiment of the invention, utilize refrigeration principle, namely evaporimeter is converted to condenser, utilizes the high temperature condenser pipe to drip tray internalization frost, and high temperature refrigerant directly enters the defrost of evaporimeter intraductal heat exchange, and defrost speed is fast, efficient is high and save energy consumption.Condenser pipe can evenly coil on drip tray, and heat exchange efficiency is better; Evaporation tube can coil on compressor case, absorbs the compressor heat, improves compressor efficiency, avoids simultaneously or reduces evaporation tube frosting, condensation spilling water.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or the example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although the above has illustrated and has described embodiments of the invention, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment in the situation that does not break away from principle of the present invention and aim within the scope of the invention, modification, replacement and modification.
Claims (10)
1. a refrigeration system is characterized in that, comprising:
Refrigerating circuit, described refrigerating circuit comprise compressor, condenser and the evaporimeter of series connection;
Defrost loop and switch unit, described defrost loop is connected in parallel in the described refrigerating circuit and the outlet in described defrost loop links to each other with the import of described compressor and the import in described defrost loop links to each other with the outlet of described compressor, and described switch unit is connected to and is used in the described refrigerating circuit optionally described defrost loop being heated to described evaporimeter.
2. refrigeration system according to claim 1, it is characterized in that, described switch unit comprises triple valve, described triple valve has the first to the 3rd interface, and the first interface of described triple valve links to each other with the outlet of described compressor and the second interface of described triple valve links to each other with the import of described condenser;
Described defrost loop comprises condenser pipe and evaporation tube, and the import of described condenser pipe links to each other with the 3rd interface of described triple valve and the outlet of described condenser pipe links to each other with the import of described evaporation tube, and the outlet of described evaporation tube links to each other with the import of described compressor.
3. refrigeration system according to claim 2 is characterized in that, described defrost loop also comprises the first capillary, before described the first capillary is located at the import of described evaporation tube.
4. each described refrigeration system is characterized in that according to claim 1-3, and described refrigerating circuit also comprises device for drying and filtering, and described device for drying and filtering is located between the import of the outlet of described condenser and described evaporimeter.
5. refrigeration system according to claim 4 is characterized in that, described refrigerating circuit also comprises the second capillary, and described the second capillary is located between the import of the outlet of described device for drying and filtering and described evaporimeter.
6. refrigeration system according to claim 2 is characterized in that, when the second interface of the first interface of described triple valve and described triple valve was connected and disconnected with the 3rd interface of described triple valve, described refrigerating circuit was freezed.
7. refrigeration system according to claim 2 is characterized in that, when the 3rd interface of the first interface of described triple valve and described triple valve was connected and disconnected with the second interface of described triple valve, heated described evaporimeter in described defrost loop.
8. refrigeration system according to claim 1 is characterized in that, described switch unit comprises the first and second on-off valves, and described the first on-off valve is located between described condenser and the described evaporimeter in described refrigerating circuit;
Described defrost loop comprises condenser pipe and evaporation tube, the import of described condenser pipe links to each other with the outlet of described compressor and the outlet of described condenser pipe links to each other with the import of described evaporation tube, the outlet of described evaporation tube links to each other with the import of described compressor, and described the second on-off valve is before described defrost loop is located at the import of described condenser pipe;
When described the first on-off valve connection and the disconnection of described the second on-off valve, described refrigerating circuit is freezed; When described the first on-off valve disconnection and the connection of described the second on-off valve, heat described evaporimeter in described defrost loop.
9. refrigeration system according to claim 2 is characterized in that, described evaporation tube is wrapped on the outer wall of described compressor.
10. a refrigerator is characterized in that, comprises according to claim 1 each described refrigeration system in-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310009399.5A CN103017427B (en) | 2013-01-10 | 2013-01-10 | Refrigerator and refrigeration system thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310009399.5A CN103017427B (en) | 2013-01-10 | 2013-01-10 | Refrigerator and refrigeration system thereof |
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| CN103017427A true CN103017427A (en) | 2013-04-03 |
| CN103017427B CN103017427B (en) | 2016-05-18 |
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| CN201310009399.5A Active CN103017427B (en) | 2013-01-10 | 2013-01-10 | Refrigerator and refrigeration system thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014205971A1 (en) * | 2013-06-26 | 2014-12-31 | 海尔集团公司 | Direct-cooling refrigerator |
| WO2014205972A1 (en) * | 2013-06-26 | 2014-12-31 | 海尔集团公司 | Defrosting control system for use in direct cooling refrigerator |
| CN104251596A (en) * | 2013-06-26 | 2014-12-31 | 海尔集团公司 | Control method for defrosting system of direct-cooling refrigerator |
| WO2015100516A1 (en) * | 2013-12-31 | 2015-07-09 | 青月村燊股份有限公司 | Construction of freezer |
| CN106440462A (en) * | 2016-11-22 | 2017-02-22 | 珠海格力电器股份有限公司 | Air conditioning unit and control method for same |
| CN106871512A (en) * | 2017-02-27 | 2017-06-20 | 苏州三星电子有限公司 | A kind of defrosting system of refrigerator |
| CN107702414A (en) * | 2017-11-16 | 2018-02-16 | 华北电力大学 | A kind of new refrigerator thermal storage defrosting system |
| CN115183499A (en) * | 2022-06-21 | 2022-10-14 | 青岛海尔空调电子有限公司 | Heat pump type drying system and defrosting method for same |
| CN115540407A (en) * | 2021-06-29 | 2022-12-30 | 青岛海尔电冰箱有限公司 | Refrigerating system for refrigerating and freezing device and refrigerating and freezing device |
| CN115540405A (en) * | 2021-06-29 | 2022-12-30 | 青岛海尔电冰箱有限公司 | Refrigerating system for refrigerating and freezing device and refrigerating and freezing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014205971A1 (en) * | 2013-06-26 | 2014-12-31 | 海尔集团公司 | Direct-cooling refrigerator |
| WO2014205972A1 (en) * | 2013-06-26 | 2014-12-31 | 海尔集团公司 | Defrosting control system for use in direct cooling refrigerator |
| CN104251596A (en) * | 2013-06-26 | 2014-12-31 | 海尔集团公司 | Control method for defrosting system of direct-cooling refrigerator |
| WO2014205973A1 (en) * | 2013-06-26 | 2014-12-31 | 海尔集团公司 | Defrosting system control method used in direct-cooling refrigerator |
| CN104251596B (en) * | 2013-06-26 | 2016-08-10 | 海尔集团公司 | Defrosting system control method for direct cooling refrigerator |
| WO2015100516A1 (en) * | 2013-12-31 | 2015-07-09 | 青月村燊股份有限公司 | Construction of freezer |
| CN106440462A (en) * | 2016-11-22 | 2017-02-22 | 珠海格力电器股份有限公司 | Air conditioning unit and control method for same |
| CN106871512A (en) * | 2017-02-27 | 2017-06-20 | 苏州三星电子有限公司 | A kind of defrosting system of refrigerator |
| CN107702414A (en) * | 2017-11-16 | 2018-02-16 | 华北电力大学 | A kind of new refrigerator thermal storage defrosting system |
| CN115540407A (en) * | 2021-06-29 | 2022-12-30 | 青岛海尔电冰箱有限公司 | Refrigerating system for refrigerating and freezing device and refrigerating and freezing device |
| CN115540405A (en) * | 2021-06-29 | 2022-12-30 | 青岛海尔电冰箱有限公司 | Refrigerating system for refrigerating and freezing device and refrigerating and freezing device |
| WO2023273709A1 (en) * | 2021-06-29 | 2023-01-05 | 青岛海尔电冰箱有限公司 | Refrigerating system for refrigerating and freezing device and refrigerating and freezing device |
| WO2023273707A1 (en) * | 2021-06-29 | 2023-01-05 | 青岛海尔电冰箱有限公司 | Cooling system for refrigeration and freezing device, and refrigeration and freezing device |
| CN115183499A (en) * | 2022-06-21 | 2022-10-14 | 青岛海尔空调电子有限公司 | Heat pump type drying system and defrosting method for same |
| CN115183499B (en) * | 2022-06-21 | 2024-05-14 | 青岛海尔空调电子有限公司 | Heat pump type drying system and defrosting method for heat pump type drying system |
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| CN103017427B (en) | 2016-05-18 |
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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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