CN104075523A - Refrigerating system of refrigerator and refrigerator - Google Patents
Refrigerating system of refrigerator and refrigerator Download PDFInfo
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- CN104075523A CN104075523A CN201410334632.1A CN201410334632A CN104075523A CN 104075523 A CN104075523 A CN 104075523A CN 201410334632 A CN201410334632 A CN 201410334632A CN 104075523 A CN104075523 A CN 104075523A
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Abstract
The invention provides a refrigerating system of a refrigerator and the refrigerator. The refrigerating system of the refrigerator comprises a compressor, a condenser, a throttling part, a refrigeration evaporator, a cold storage evaporator, a temperature varying evaporator and a switching valve which are connected with one another. The refrigerating system of the refrigerator is a computer-type refrigerator refrigerating system, the refrigerating efficiency is high, the energy consumption is basically the same as that of a traditional mechanical refrigerator, compared with a computer type refrigerator in the correlation technology, the energy consumption is lowered by more than 15%, the independent temperature control function of all chambers is achieved, the closing, fast cooling and fast freezing function of parts of chambers can be achieved, the practicability is good, and thus the using need of a user can be better met.
Description
Technical field
The present invention relates to field of household appliances, more specifically, relate to a kind of refrigeration system and a kind of refrigerator that comprises this refrigeration system of refrigerator.
Background technology
The refrigeration system in parallel of conventional refrigerator, as shown in Figure 1, its advantage: each chamber is temperature control separately, and between part, chamber (for example refrigerating chamber, temperature-changing chamber) can close, and has the functions such as speed is cold, quick-frozen; Shortcoming: refrigerating efficiency is low, energy consumption is high.
The cascade refrigeration system of conventional refrigerator, as shown in Figure 2, its advantage: refrigerating efficiency is high, energy consumption is low; Shortcoming: each compartment temperature can not regulate and control separately, its usability is poor.
Arrow in Fig. 1 and Fig. 2 represents the flow direction of refrigerant.
Wherein, in Fig. 1 and Fig. 2, the corresponding relation between Reference numeral and component names is:
1 ' compressor, 2 ' condenser, 3 ' throttle part, 4 ' refrigerating evaporator, 5 ' refrigeration evaporator, 6 ' alternating temperature evaporimeter, 7 ' 3-position 4-way solenoid directional control valve, 8 ' return-air heat exchanger, 9 ' dew eliminating tube, 10 ' filter.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art.
For this reason, the invention provides the refrigeration system of the high and refrigerator that practicality is good of a kind of refrigerating efficiency, met better user's user demand.
The embodiment of first aspect present invention provides a kind of refrigeration system of refrigerator, comprises compressor, condenser, throttle part, refrigerating evaporator, refrigeration evaporator, alternating temperature evaporimeter and switch valve; Wherein: the entrance of described condenser is connected with the outlet of described compressor, outlet is connected with the entrance of described throttle part; The entrance of described refrigerating evaporator is connected with the outlet of described throttle part, outlet is connected with the entrance of described switch valve; The first outlet A of described switch valve and the outlet of described refrigeration evaporator are all connected with the entrance of described compressor; The second outlet that exports B and described alternating temperature evaporimeter of described switch valve is all connected with the entrance of described refrigeration evaporator, the 3rd outlet C of described switch valve is connected with the entrance of described alternating temperature evaporimeter; And the entrance of described switch valve is conducted with described the first outlet A, described the second outlet B and the described the 3rd two of exporting in C at the most.
The refrigeration system of refrigerator provided by the invention, refrigeration system for computermatic refrigerator, its refrigerating efficiency is high, and energy consumption and traditional mechanical refrigerator are basic identical, compare with the computermatic refrigerator in correlation technique, its Energy Intensity Reduction is more than 15%, and realized the function of each independent temperature control in chamber, that is: realized that chamber between part is closed and speed is cold, the function of quick-frozen, its practicality is good, has met better user's user demand.
Wherein, the refrigerating chamber of refrigerator by refrigeration evaporator control internal temperature, refrigerating chamber by refrigerating evaporator control internal temperature, temperature-changing chamber is controlled internal temperature by alternating temperature evaporimeter.
According to one embodiment of present invention, described switch valve comprises four-way, the first sub-valve, the second sub-valve and the 3rd sub-valve; Wherein: the first port of described four-way is connected with the outlet of described refrigerating evaporator, the second port is connected with the entrance of described the first sub-valve, the 3rd port is connected with the entrance of described the second sub-valve, the 4th port is connected with the entrance of described the 3rd sub-valve; The outlet of described the first sub-valve is described the first outlet A; The outlet of described the second sub-valve is described the second outlet B; The outlet of described the 3rd sub-valve is described the 3rd outlet C.
According to one embodiment of present invention, described the first sub-valve, described the second sub-valve and/or described the 3rd sub-valve are bi-bit bi-pass solenoid directional control valve.
According to one embodiment of present invention, described switch valve is 3-position 4-way solenoid directional control valve.
According to one embodiment of present invention, the refrigeration system of described refrigerator also comprises return-air heat exchanger; Wherein: described the first outlet A, outlet of described refrigeration evaporator and the outlet of described alternating temperature evaporimeter are all connected with the entrance of the first heat exchanger tube on described return-air heat exchanger, the entrance of described compressor is connected with the outlet of described the first heat exchanger tube; The entrance of the second heat exchanger tube and the outlet of described throttle part on described return-air heat exchanger is connected, the outlet of described the second heat exchanger tube and the entrance of described refrigerating evaporator are connected.
According to one embodiment of present invention, the refrigeration system of described refrigerator also comprises dew eliminating tube, is arranged between described throttle part and described condenser; Wherein: the entrance of described dew eliminating tube is connected with the outlet of described condenser, the outlet of described dew eliminating tube and the entrance of described throttle part are connected.
According to one embodiment of present invention, the refrigeration system of described refrigerator also comprises filter, is arranged between described throttle part and described dew eliminating tube; Wherein: the entrance of described filter is connected with the outlet of described dew eliminating tube, the outlet of described filter and the entrance of described throttle part are connected.
According to one embodiment of present invention, described filter is device for drying and filtering.
According to one embodiment of present invention, described throttle part is capillary, choke valve or electric expansion valve.
The embodiment of second aspect present invention provides a kind of refrigerator, includes the refrigeration system of the refrigerator described in above-mentioned arbitrary embodiment.
Refrigerator provided by the invention, refrigerating efficiency is high, energy consumption is low, and has realized each chamber (comprising: refrigerating chamber, refrigerating chamber, temperature-changing chamber) function of temperature control separately, has met better user's user demand.
In sum, the refrigeration system of refrigerator provided by the invention, for the refrigeration system of computermatic refrigerator, its refrigerating efficiency is high, and energy consumption and traditional mechanical refrigerator are basic identical, compare with the computermatic refrigerator in correlation technique, its Energy Intensity Reduction is more than 15%, and realized the function of each independent temperature control in chamber, realized between part that chamber is closed and speed is cold, the function of quick-frozen that is:, its practicality is good, has met better user's user demand.
Additional aspect of the present invention and advantage will become in description part below obviously, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is the structural representation block diagram of the refrigeration system in parallel of the refrigerator described in embodiment of correlation technique;
Fig. 2 is the structural representation block diagram of the cascade refrigeration system of the refrigerator described in embodiment of correlation technique;
Fig. 3 is the structural representation block diagram of the refrigeration system of the refrigerator described in one embodiment of the invention;
Fig. 4 is the structural representation block diagram of the refrigeration system of the refrigerator described in another embodiment of the present invention.
Wherein, in Fig. 1 and Fig. 2, the corresponding relation between Reference numeral and component names is:
1 ' compressor, 2 ' condenser, 3 ' throttle part, 4 ' refrigerating evaporator, 5 ' refrigeration evaporator, 6 ' alternating temperature evaporimeter, 7 ' 3-position 4-way solenoid directional control valve, 8 ' return-air heat exchanger, 9 ' dew eliminating tube, 10 ' filter.
Corresponding relation in Fig. 3 and Fig. 4 between Reference numeral and component names is:
1 compressor, 2 condensers, 3 throttle parts, 4 refrigerating evaporators, 5 refrigeration evaporators, 6 alternating temperature evaporimeters, 7 3-position 4-way solenoid directional control valves, 71 four-ways, 72 first sub-valves, 73 second sub-valves, 74 the 3rd sub-valves, 8 return-air heat exchangers, 9 dew eliminating tubes, 10 filters.
The specific embodiment
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, in the situation that not conflicting, the application's embodiment and the feature in embodiment can combine mutually.
A lot of details have been set forth in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from mode described here and implement, and therefore, protection scope of the present invention is not subject to the restriction of following public specific embodiment.
The invention provides a kind of refrigeration system of refrigerator, as shown in Figure 3 and Figure 4, comprise compressor 1, condenser 2, throttle part 3, refrigerating evaporator 4, refrigeration evaporator 5, alternating temperature evaporimeter 6 and switch valve; Wherein: the entrance of described condenser 2 is connected with the outlet of described compressor 1, outlet is connected with the entrance of described throttle part 3; The entrance of described refrigerating evaporator 4 is connected with the outlet of described throttle part 3, outlet is connected with the entrance of described switch valve; The first outlet A of described switch valve and the outlet of described refrigeration evaporator 5 are all connected with the entrance of described compressor 1; The second outlet that exports B and described alternating temperature evaporimeter 6 of described switch valve is all connected with the entrance of described refrigeration evaporator 5, the 3rd outlet C of described switch valve is connected with the entrance of described alternating temperature evaporimeter 6; And the entrance of described switch valve is conducted with described the first outlet A, described the second outlet B and the described the 3rd two of exporting in C at the most.
The refrigeration system of refrigerator provided by the invention, refrigeration system for computermatic refrigerator, its refrigerating efficiency is high, and energy consumption and traditional mechanical refrigerator are basic identical, compare with the computermatic refrigerator in correlation technique, its Energy Intensity Reduction is more than 15%, and realized the function of each independent temperature control in chamber, that is: realized that chamber between part is closed and speed is cold, the function of quick-frozen, its practicality is good, has met better user's user demand.
Wherein, the refrigerating chamber of refrigerator by refrigeration evaporator 5 control internal temperature, refrigerating chamber by refrigerating evaporator 4 control internal temperature, temperature-changing chamber is controlled internal temperature by alternating temperature evaporimeter 6.
Preferably, described throttle part 3 is capillary.
Certainly, described throttle part 3 can be also miscellaneous part, as choke valve, electric expansion valve etc., all can realize the application's object, and its aim does not depart from design philosophy of the present invention, should belong to the application's protection domain.
In one embodiment of the present of invention, the refrigeration system of described refrigerator also comprises return-air heat exchanger 8; Wherein: described the first outlet A, outlet of described refrigeration evaporator 5 and the outlet of described alternating temperature evaporimeter 6 are all connected with the entrance of the first heat exchanger tube on described return-air heat exchanger 8, the entrance of described compressor 1 is connected with the outlet of described the first heat exchanger tube; The entrance of the second heat exchanger tube on described return-air heat exchanger 8 is connected with the outlet of described throttle part 3, the outlet of described the second heat exchanger tube is connected with the entrance of described refrigerating evaporator 4.
Return-air heat exchanger 8 can reduce the degree of superheat of the refrigerant of getting back to compressor, namely improve the degree of supercooling of the refrigerant of getting back to compressor, improve refrigerating speed and the refrigerating capacity of refrigerator, to reach the object that reduces energy consumption of refrigerator, can meet better user's user demand.
Further, the refrigeration system of described refrigerator also comprises dew eliminating tube 9, is arranged between described throttle part 3 and described condenser 2; Wherein: the entrance of described dew eliminating tube 9 is connected with the outlet of described condenser 2, the outlet of described dew eliminating tube 9 is connected with the entrance of described throttle part 3; With filter 10, be arranged between described throttle part 3 and described dew eliminating tube 9; Wherein: the entrance of described filter 10 is connected with the outlet of described dew eliminating tube 9, the outlet of described filter 10 is connected with the entrance of described throttle part 3.
Particularly, described filter 10 is device for drying and filtering.
In one embodiment of the present of invention, as shown in Figure 3, described switch valve comprises four-way 71, the first sub-valve 73 of sub-valve 72, second and the 3rd sub-valve 74; Wherein: the first port of described four-way 71 is connected with the outlet of described refrigerating evaporator 4, the second port is connected with the entrance of described the first sub-valve 72, the 3rd port is connected with the entrance of described the second sub-valve 73, the 4th port is connected with the entrance of described the 3rd sub-valve 74; The outlet of described the first sub-valve 72 is described the first outlet A; The outlet of described the second sub-valve 73 is described the second outlet B; The outlet of described the 3rd sub-valve 74 is described the 3rd outlet C.
Preferably, described the first sub-valve 72, described the second sub-valve 73 and described the 3rd sub-valve 74 are bi-bit bi-pass solenoid directional control valve.
In the present embodiment, the course of work of the refrigeration system of described refrigerator is as follows:
When freeze in all chambers (comprising: refrigerating chamber, refrigerating chamber and temperature-changing chamber) simultaneously, the second sub-valve and the 3rd sub-valve are opened, and the first sub-valve cuts out; When the temperature of temperature-changing chamber reaches design temperature but refrigerating chamber need to freeze time, the first sub-valve cuts out, and the second sub-valve is opened, and the 3rd sub-valve cuts out; When the temperature of refrigerating chamber and temperature-changing chamber all reaches design temperature but during freezing need to refrigeration, the first sub-valve is opened, the second sub-valve and the 3rd sub-valve are closed.
That is:, when temperature-changing chamber need to be closed, the 3rd sub-valve cuts out; When refrigerating chamber need to be closed, the second sub-valve cuts out.
In the present embodiment, select the specification of bi-bit bi-pass solenoid directional control valve to prevent second throttle problem.The large I of each caliber of four-way is selected according to the peak load of refrigerating chamber, temperature-changing chamber, for example: when refrigerating chamber load is larger, the caliber of the pipeline being connected with refrigeration evaporator need be greater than the caliber of the pipeline being connected with alternating temperature evaporimeter, wherein, simultaneously except the pipeline of (directly or indirectly) connection refrigeration evaporator and alternating temperature evaporimeter.
In an alternative embodiment of the invention, as shown in Figure 4, described switch valve is 3-position 4-way solenoid directional control valve 7, also can realize the application's object, and its aim does not depart from design philosophy of the present invention, should belong to the application's protection domain.
In the present embodiment, the course of work of the refrigeration system of described refrigerator is as follows:
When freeze in all chambers (comprising: refrigerating chamber, refrigerating chamber and temperature-changing chamber) simultaneously, the second outlet B and the 3rd outlet C conducting, the first outlet A cut-off; When the degree of alternating temperature room temperature reaches design temperature but refrigerating chamber need to freeze time, the 3rd outlet C cut-off, the second outlet B conducting, the first outlet A cut-off; When the temperature of refrigerating chamber and temperature-changing chamber reaches design temperature but refrigerating chamber need to freeze time, the first outlet A conducting, the second outlet B and the 3rd outlet C cut-off.
That is: when temperature-changing chamber need to end, the 3rd outlet C cut-off.When refrigerating chamber need to end, the second outlet B cut-off.
For preventing second throttle impact, the minimum outlet internal diameters of 3-position 4-way solenoid directional control valve 7 used be not less than should with (on refrigeration evaporator, alternating temperature evaporimeter and refrigerating evaporator) evaporation tube minimum diameter of corresponding connection.And the pipe diameter size of the second outlet B and the 3rd outlet C is selected according to the workload demand of refrigerating chamber, temperature-changing chamber, for example, when refrigerating chamber load is larger, the caliber of the second outlet B need be greater than the caliber of the 3rd outlet C.
Arrow in Fig. 3 and Fig. 4 represents the flow direction of refrigerant in the refrigeration system of refrigerator
The present invention also provides a kind of refrigerator, includes the refrigeration system of the refrigerator described in above-mentioned arbitrary embodiment.
Refrigerator provided by the invention, refrigerating efficiency is high, energy consumption is low, and has realized each chamber (comprising: refrigerating chamber, refrigerating chamber, temperature-changing chamber) function of temperature control separately, has met better user's user demand.
In sum, the refrigeration system of refrigerator provided by the invention, for the refrigeration system of computermatic refrigerator, its refrigerating efficiency is high, and energy consumption and traditional mechanical refrigerator are basic identical, compare with the computermatic refrigerator in correlation technique, its Energy Intensity Reduction is more than 15%, and realized the function of each independent temperature control in chamber, realized between part that chamber is closed and speed is cold, the function of quick-frozen that is:, its practicality is good, has met better user's user demand.
In description of the invention, term " installation ", " being connected ", " connection ", " fixing " etc. all should be interpreted broadly, and for example, " connection " can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be to be directly connected, also can indirectly be connected by intermediary.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 description of this description, the description of term " embodiment " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a refrigeration system for refrigerator, is characterized in that, comprises compressor, condenser, throttle part, refrigerating evaporator, refrigeration evaporator, alternating temperature evaporimeter and switch valve; Wherein:
The entrance of described condenser is connected with the outlet of described compressor, outlet is connected with the entrance of described throttle part;
The entrance of described refrigerating evaporator is connected with the outlet of described throttle part, outlet is connected with the entrance of described switch valve;
The first outlet A of described switch valve and the outlet of described refrigeration evaporator are all connected with the entrance of described compressor;
The second outlet that exports B and described alternating temperature evaporimeter of described switch valve is all connected with the entrance of described refrigeration evaporator, the 3rd outlet C of described switch valve is connected with the entrance of described alternating temperature evaporimeter; And
The entrance of described switch valve is conducted with described the first outlet A, described the second outlet B and the described the 3rd two of exporting in C at the most.
2. the refrigeration system of refrigerator according to claim 1, is characterized in that, described switch valve comprises four-way, the first sub-valve, the second sub-valve and the 3rd sub-valve; Wherein:
The first port of described four-way is connected with the outlet of described refrigerating evaporator, the second port is connected with the entrance of described the first sub-valve, the 3rd port is connected with the entrance of described the second sub-valve, the 4th port is connected with the entrance of described the 3rd sub-valve;
The outlet of described the first sub-valve is described the first outlet A; The outlet of described the second sub-valve is described the second outlet B; The outlet of described the 3rd sub-valve is described the 3rd outlet C.
3. the refrigeration system of refrigerator according to claim 2, is characterized in that,
Described the first sub-valve, described the second sub-valve and/or described the 3rd sub-valve are bi-bit bi-pass solenoid directional control valve.
4. the refrigeration system of refrigerator according to claim 1, is characterized in that,
Described switch valve is 3-position 4-way solenoid directional control valve.
5. according to the refrigeration system of the refrigerator described in any one in claim 1 to 4, it is characterized in that, also comprise return-air heat exchanger; Wherein:
Described the first outlet A, outlet of described refrigeration evaporator and the outlet of described alternating temperature evaporimeter are all connected with the entrance of the first heat exchanger tube on described return-air heat exchanger, the entrance of described compressor is connected with the outlet of described the first heat exchanger tube;
The entrance of the second heat exchanger tube and the outlet of described throttle part on described return-air heat exchanger is connected, the outlet of described the second heat exchanger tube and the entrance of described refrigerating evaporator are connected.
6. the refrigeration system of refrigerator according to claim 5, is characterized in that, also comprises dew eliminating tube, is arranged between described throttle part and described condenser; Wherein:
The entrance of described dew eliminating tube is connected with the outlet of described condenser, the outlet of described dew eliminating tube and the entrance of described throttle part are connected.
7. the refrigeration system of refrigerator according to claim 6, is characterized in that, also comprises filter, is arranged between described throttle part and described dew eliminating tube; Wherein:
The entrance of described filter is connected with the outlet of described dew eliminating tube, the outlet of described filter and the entrance of described throttle part are connected.
8. the refrigeration system of refrigerator according to claim 7, is characterized in that,
Described filter is device for drying and filtering.
9. the refrigeration system of refrigerator according to claim 7, is characterized in that,
Described throttle part is capillary, choke valve or electric expansion valve.
10. a refrigerator, is characterized in that, includes the refrigeration system of refrigerator as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410334632.1A CN104075523A (en) | 2014-07-14 | 2014-07-14 | Refrigerating system of refrigerator and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410334632.1A CN104075523A (en) | 2014-07-14 | 2014-07-14 | Refrigerating system of refrigerator and refrigerator |
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| CN104075523A true CN104075523A (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410334632.1A Pending CN104075523A (en) | 2014-07-14 | 2014-07-14 | Refrigerating system of refrigerator and refrigerator |
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| CN1159555A (en) * | 1995-11-14 | 1997-09-17 | Lg电子株式会社 | Refrigerant circulation device for two evaporators adopting different evaporative temp. |
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| CN102564050A (en) * | 2012-02-01 | 2012-07-11 | 合肥美的荣事达电冰箱有限公司 | Method for controlling chamber fans of refrigerator |
| CN103115466A (en) * | 2013-03-13 | 2013-05-22 | 合肥美的荣事达电冰箱有限公司 | Triple-refrigerating system used for refrigerator |
| CN203083191U (en) * | 2013-01-10 | 2013-07-24 | 合肥美的荣事达电冰箱有限公司 | Refrigerator refrigerating system and refrigerator with same |
| CN203550389U (en) * | 2013-11-25 | 2014-04-16 | 合肥美菱股份有限公司 | Air cooling refrigerator with three-circulation refrigeration system |
| CN204027145U (en) * | 2014-07-14 | 2014-12-17 | 合肥华凌股份有限公司 | The refrigeration system of refrigerator and refrigerator |
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2014
- 2014-07-14 CN CN201410334632.1A patent/CN104075523A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1159555A (en) * | 1995-11-14 | 1997-09-17 | Lg电子株式会社 | Refrigerant circulation device for two evaporators adopting different evaporative temp. |
| CN201532045U (en) * | 2009-11-13 | 2010-07-21 | 海信容声(广东)冰箱有限公司 | Multipath refrigerating system |
| CN102080895A (en) * | 2011-01-18 | 2011-06-01 | 合肥美的荣事达电冰箱有限公司 | Refrigerating system, refrigerator with same and control method thereof |
| CN102564050A (en) * | 2012-02-01 | 2012-07-11 | 合肥美的荣事达电冰箱有限公司 | Method for controlling chamber fans of refrigerator |
| CN203083191U (en) * | 2013-01-10 | 2013-07-24 | 合肥美的荣事达电冰箱有限公司 | Refrigerator refrigerating system and refrigerator with same |
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| CN203550389U (en) * | 2013-11-25 | 2014-04-16 | 合肥美菱股份有限公司 | Air cooling refrigerator with three-circulation refrigeration system |
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