CN103017427B - Refrigerator and refrigeration system thereof - Google Patents
Refrigerator and refrigeration system thereof Download PDFInfo
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- CN103017427B CN103017427B CN201310009399.5A CN201310009399A CN103017427B CN 103017427 B CN103017427 B CN 103017427B CN 201310009399 A CN201310009399 A CN 201310009399A CN 103017427 B CN103017427 B CN 103017427B
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Abstract
The invention discloses a kind of refrigerator and refrigeration system thereof, described refrigeration system comprises: refrigerating circuit, and described refrigerating circuit comprises compressor, condenser and the evaporimeter of series connection; Defrost loop and switch unit, described defrost loop is connected in parallel in described refrigerating circuit and the outlet in described defrost loop is connected with the import of described compressor and the import in described defrost loop is connected with the outlet of described compressor, and described switch unit is connected in described refrigerating circuit for optionally making described defrost loop heat described evaporimeter. According to the refrigeration system of the embodiment of the present invention, can optionally make described defrost loop heat that to described evaporimeter described evaporimeter is carried out to defrost, defrost speed is fast, efficiency is high and save energy consumption.
Description
Technical field
The present invention relates to field of domestic appliances manufacture technology, particularly relate to a kind of refrigeration system for refrigerator and there is thisThe refrigerator of refrigeration system.
Background technology
Existing frost-free refrigerator and similar no-frost refrigeration device, all adopt Electric heating defrost, as steel pipe heater, aluminum pipe addHot device, quartz tube heater, heater wire etc. Heating-up temperature is inhomogeneous, and defrost quick-frozen is slow, and defrost efficiency is low, energy resource consumptionGreatly.
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, efficiency 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.
According to the refrigeration system of the embodiment of the present invention, comprising: refrigerating circuit, described refrigerating circuit comprise series connection compressor,Condenser and evaporimeter; Defrost loop and switch unit, described defrost loop is connected in parallel in described refrigerating circuit and described defrostThe outlet in loop is connected with the import of described compressor and the import in described defrost loop is connected with the outlet of described compressor, instituteStating switch unit is connected in described refrigerating circuit for optionally making described defrost loop heat described evaporimeter.
According to the refrigeration system of the embodiment of the present invention, can optionally make described defrost loop heat described evaporimeterSo that described evaporimeter is carried out to defrost, defrost speed is fast, efficiency 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, and described triple valve has the first to the 3rd interface,The first interface of described triple valve is connected with the outlet of described compressor and the second interface of described triple valve and described condenserImport is connected; Described defrost loop comprises condenser pipe and evaporation tube, and the 3rd of the import of described condenser pipe and described triple valve connectsMouthful be connected and the outlet of described condenser pipe and the import of described evaporation tube are connected, the outlet of described evaporation tube and described compressorImport is connected.
According to an example of the present invention, described defrost loop also comprises the first capillary, described in described the first capillary is located atBefore the import of evaporation tube.
According to an example of the present invention, described refrigerating circuit also comprises device for drying and filtering, described in described device for drying and filtering is located atBetween the outlet of condenser and the import of described evaporimeter.
According to an example of the present invention, described refrigerating circuit also comprises the second capillary, described in described the second capillary is located atBetween the outlet of device for drying and filtering and the import of 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 connect and withWhen the 3rd interface of described triple valve disconnects, described refrigerating circuit is 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 connect and withWhen the second interface of described triple valve disconnects, heat 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 in instituteState in refrigerating circuit and be located between described condenser and described evaporimeter; Described defrost loop comprises condenser pipe and evaporation tube, instituteIt stating the import of condenser pipe, and the outlet of described compressor is connected and the outlet of described condenser pipe and the import of described evaporation tube are connected,The outlet of described evaporation tube is connected with the import of described compressor, described in described the second on-off valve is located on described defrost loopBefore the import of condenser pipe; In the time of described the first on-off valve connection and described the second on-off valve disconnection, described refrigerating circuit systemCold; In the time of described the first on-off valve disconnection and described the second on-off valve connection, described defrost loop adds described evaporimeterHeat.
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 present invention, comprise according to the refrigeration system described in above-mentioned any one.
Additional aspect of the present invention and advantage in the following description part provide, and part will become bright from the following descriptionAobvious, or recognize by practice of the present invention.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present invention and advantage from conjunction with below accompanying drawing to becoming obvious the description of embodimentWith easy understanding, 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.
Detailed description of the invention
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, wherein identical from start to finishOr similarly label represents same or similar element or has the element of identical or similar functions. Below by retouching with reference to accompanying drawingThe embodiment stating is exemplary, is 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 ", " longitudinally ", " laterally ", " length ", " width "," thickness ", " on ", D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ",Orientation or position relationship that " outward ", " clockwise ", " counterclockwise " etc. indicate are based on orientation shown in the drawings or position relationship,Be only the present invention for convenience of description and simplified characterization, instead of device or the element of instruction or hint indication must have specificOrientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as instruction or hint relative importanceOr the implicit quantity that indicates indicated technical characterictic. Thus, the feature that is limited with " first ", " second " can be expressedOr impliedly comprise one or more these features. In description of the invention, the implication of " multiple " is two or twoAbove, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " fixing "Should be interpreted broadly Deng term, for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; CanTo be mechanical connection, it can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, canIt is the connection of two element internals. For the ordinary skill in the art, can understand as the case may be above-mentioned artLanguage concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D scoreCan comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but logicalCross the other feature contact between them. And, First Characteristic Second Characteristic " on ", " top " and " onFace " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is higher thanTwo features. First Characteristic Second Characteristic " under ", " below " and " below " comprise that First Characteristic is the second spyUnder levying and tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
Describe the refrigeration system according to the embodiment of the present invention in detail below with reference to accompanying drawing.
First it should be noted that, be mainly applicable to the refrigeration plants such as refrigerator according to the refrigeration system of the embodiment of the present invention.
As shown in Figure 1, according to the refrigeration system of the embodiment of the present invention, comprising: refrigerating circuit 10 defrost loops 20 and switchingUnit.
Refrigerating circuit 10 comprises compressor 11, condenser 12 and the evaporimeter 13 of series connection.
Defrost loop 20 is connected in parallel in refrigerating circuit 10 and the outlet in defrost loop 20 is connected and changes with the import of compressor 11The import in frost loop 20 is connected with the outlet of compressor 11. Described switch unit is connected in refrigerating circuit 10 for selectivelyDefrost loop 20 is heated evaporimeter 13, so that evaporimeter 13 is carried out to defrost. In other words, refrigerating circuit 10With defrost loop 20 shared compressors 11.
Particularly, according to an example of the present invention, described switch unit comprises triple valve. Described triple valve has firstInterface 31, the second interface 32 and the 3rd interface 33. The first interface 31 of described triple valve is connected with the outlet of compressor 11And the second interface 32 of described triple valve is connected with the import of condenser 12. Defrost loop 20 comprises condenser pipe 22 and evaporationPipe 21. The import of condenser pipe 22 is connected with the 3rd interface 33 of described triple valve and outlet and the evaporation tube 21 of condenser pipe 22Import be connected. The outlet of evaporation tube 21 is connected with the import of compressor 11. Advantageously, described triple valve can be electromagnetismValve, can realize automatic control thus.
It should be noted that at this, the arrow in Fig. 1 and Fig. 2 has been indicated the trend of cold-producing medium, therefore, and above-mentioned " outlet "" import " is understandable for the person of ordinary skill of the art, do not repeat them here.
When the first interface 31 of described triple valve and the second interface 32 of described triple valve is connected and with the 3rd of described triple valveWhen interface 33 disconnects, refrigerating circuit 10 is freezed.
That is to say, in this case, the refrigerating circuit that cold-producing medium forms at compressor 11, condenser 12 and evaporimeter 1310 circulate to freeze, 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 and the 3rd interface 33 of described triple valve is connected and with second of described triple valveWhen interface 32 disconnects, heat evaporimeter 13 in defrost loop 20.
In other words, cold-producing medium is in compressor 11, condenser pipe 22, the interior circulation of evaporation tube 21. High temperature refrigerant gas enters coldIn solidifying pipe 22, with the outside frost layer heat exchange of evaporimeter 13 defrost, in condenser pipe 22, be condensed into liquid, become low temperature through step-downThe liquid of low pressure flows into evaporation tube 21, and the heat of vaporization that the cold-producing medium in evaporation tube 21 absorbs compressor 11 becomes high-temperature gas to returnFlow to compressor 11, to realize, evaporimeter 13 is carried out to defrost.
According to the refrigeration system of the embodiment of the present invention, can optionally make defrost loop 20 to evaporimeter 13 heat withEvaporimeter 13 is carried out to defrost, and defrost speed is fast, efficiency is high and save energy consumption.
According to an example of the present invention, defrost loop 20 also comprises the first capillary 23. The first capillary 23 is located at evaporationBefore the import of pipe 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 at condensationBetween the import of the outlet of device 12 and evaporimeter 13. Advantageously, refrigerating circuit 10 also comprises the second capillary 15. SecondCapillary 15 is located between the outlet of device for drying and filtering 14 and the import of 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 described switch unitDifferent. , described switch unit comprises the first on-off valve 41 and the second on-off valve 42. The first on-off valve 41 is in refrigerationOn loop 10, be located between condenser 12 and evaporimeter 13. The second on-off valve 42 is located at condenser pipe on defrost loop 20Before 22 import. When the first on-off valve 41 is connected and when the second on-off valve 42 disconnects, refrigerating circuit 10 is freezed. WhenWhen the first on-off valve 41 disconnects and the second on-off valve 42 connects, heat evaporimeter 13 in defrost loop 20, with to steamHair device 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 present invention, utilize refrigeration principle, evaporimeter is converted to condenser, utilizes high temperature coldSolidifying pipe is to drip tray internalization frost, and high temperature refrigerant directly enters the defrost of evaporimeter intraductal heat exchange, defrost speed is fast, efficiency is high andSave energy consumption. Condenser pipe can evenly coil on drip tray, and heat exchange efficiency is better; Evaporation tube can coil on compressor case,Absorb compressor heat, improve compressor efficiency, avoid simultaneously or reduce evaporation tube frosting, condensation spilling water.
In the description of this description, reference term " embodiment ", " some embodiment ", " example ", " specifically showExample " or the description of " some examples " etc. the specific features that means to describe in conjunction with this embodiment or example, structure, material orFeature is contained at least one embodiment of the present invention or example. In this manual, the schematic statement to above-mentioned termNot necessarily refer to identical embodiment or example. And specific features, structure, material or the feature of description can beIn any one or more embodiment or example with suitable mode combination.
Although illustrated and described embodiments of the invention above, 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 is not departing from the situation of principle of the present invention and aimUnder can change above-described embodiment within the scope of the invention, amendment, replacement and modification.
Claims (9)
1. a refrigeration system, is characterized in that, comprising:
Refrigerating circuit, described refrigerating circuit comprises compressor, condenser and the evaporimeter of series connection;
Defrost loop and switch unit, described defrost loop is connected in parallel in described refrigerating circuit and outlet and the institute in described defrost loopThe import import connected and described defrost loop of stating compressor is connected with the outlet of described compressor, and described switch unit is connected toIn described refrigerating circuit for optionally making described defrost loop heat described evaporimeter;
Described switch unit comprises triple valve, and described triple valve has the first to the 3rd interface, the first interface of described triple valve withThe outlet of described compressor is connected and the second interface of described triple valve is connected with the import of described condenser;
Described defrost loop comprises condenser pipe and evaporation tube, the import of described condenser pipe be connected with the 3rd interface of described triple valve andThe outlet of described condenser pipe is connected with the import of described evaporation tube, and the outlet of described evaporation tube is connected with the import of described compressor.
2. refrigeration system according to claim 1, is characterized in that, described defrost loop also comprises the first capillary,Described the first capillary is located at before the import of described evaporation tube.
3. refrigeration system according to claim 1 and 2, is characterized in that, described refrigerating circuit also comprises dry filterDevice, described device for drying and filtering is located between the outlet of described condenser and the import of described evaporimeter.
4. refrigeration system according to claim 3, is characterized in that, described refrigerating circuit also comprises the second capillary,Described the second capillary is located between the outlet of described device for drying and filtering and the import of described evaporimeter.
5. refrigeration system according to claim 1, is characterized in that, when the first interface and described three of described triple valveWhen the second interface of logical valve is connected and disconnects with the 3rd interface of described triple valve, described refrigerating circuit is freezed.
6. refrigeration system according to claim 1, is characterized in that, when the first interface and described three of described triple valveWhen the 3rd interface of logical valve is connected and disconnects with the second interface of described triple valve, described defrost loop adds described evaporimeterHeat.
7. refrigeration system according to claim 1, is characterized in that, described evaporation tube be wrapped in described compressor outsideOn wall.
8. a refrigeration system, is characterized in that, comprising:
Refrigerating circuit, described refrigerating circuit comprises compressor, condenser and the evaporimeter of series connection;
Defrost loop and switch unit, described defrost loop is connected in parallel in described refrigerating circuit and outlet and the institute in described defrost loopThe import import connected and described defrost loop of stating compressor is connected with the outlet of described compressor, and described switch unit is connected toIn described refrigerating circuit for optionally making described defrost loop heat described evaporimeter;
Described switch unit comprises the first and second on-off valves, and described the first on-off valve is located at described condensation in described refrigerating circuitBetween device and described evaporimeter;
Described defrost loop comprises condenser pipe and evaporation tube, the import of described condenser pipe be connected with the outlet of described compressor and described inThe outlet of condenser pipe is connected with the import of described evaporation tube, and the outlet of described evaporation tube is connected with the import of described compressor, described inThe second on-off valve is located at before the import of described condenser pipe on described defrost loop;
In the time of described the first on-off valve connection and described the second on-off valve disconnection, described refrigerating circuit is freezed; When described firstWhen on-off valve disconnects and described the second on-off valve connects, heat described evaporimeter in described defrost loop.
9. a refrigerator, is characterized in that, comprises according to the refrigeration system described in any one in claim 1-8.
Priority Applications (1)
| 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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| 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 CN103017427A (en) | 2013-04-03 |
| CN103017427B true 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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| CN104251596B (en) * | 2013-06-26 | 2016-08-10 | 海尔集团公司 | Defrosting system control method for direct cooling refrigerator |
| CN104251595A (en) * | 2013-06-26 | 2014-12-31 | 海尔集团公司 | Direct cooling refrigerator |
| CN104251579A (en) * | 2013-06-26 | 2014-12-31 | 海尔集团公司 | Defrosting control system 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 |
| 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 |
| 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 |
| 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 |
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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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