CN211476357U - Air-cooled refrigerator with multi-cycle refrigerating system - Google Patents
Air-cooled refrigerator with multi-cycle refrigerating system Download PDFInfo
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- CN211476357U CN211476357U CN201921668708.9U CN201921668708U CN211476357U CN 211476357 U CN211476357 U CN 211476357U CN 201921668708 U CN201921668708 U CN 201921668708U CN 211476357 U CN211476357 U CN 211476357U
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Abstract
The utility model discloses an air-cooled refrigerator with multicycle refrigerating system, including multicycle refrigeration refrigerator system, multicycle refrigeration refrigerator system includes compressor, condenser, filter, a plurality of motorised valve, capillary, evaporimeter and reservoir. The utility model provides an air-cooled refrigerator with multicycle refrigerating system, switch the mode through the motorised valve combination, realize room refrigeration or refrigeration simultaneously, avoid the low temperature room to the high temperature room switching refrigeration in-process, the refrigerant is easy to the low temperature room migration, refrigerating system efficiency has been improved, and through setting up the evaporimeter, avoid the food cluster flavor of room between, adopt the control method of multicycle refrigeration system, set for the temperature according to each room and compare with the actual temperature difference, the difference is big more, the higher principle of refrigeration priority, realize each room refrigerating output rational distribution, it is big to avoid because of the not enough or partial room actual temperature deviation of refrigerator urgent cooling time of refrigerating output, influence food storage problem.
Description
Technical Field
The utility model belongs to the technical field of the refrigerator refrigeration, a forced air cooling refrigerator with multicycle refrigerating system is related to.
Background
With the improvement of living standard of people, consumers have more and more use functions and requirements on the refrigerator, and the air-cooled refrigerator with large volume, multiple doors, multiple temperature areas and free temperature change is gradually favored by the consumers.
At present, a large-volume air-cooled refrigerator mainly adopts two modes to realize compartment refrigeration, wherein the mode is that each compartment is provided with an evaporator, and the refrigeration of each compartment is realized through the control of a multi-cycle refrigeration system, the independent temperature control can not be realized when the evaporator at the tail end of the refrigeration system corresponds to the compartment, and meanwhile, the multi-cycle refrigeration system is switched to a high-temperature compartment at a low-temperature compartment, and a refrigerant is easy to migrate to the low-temperature compartment, so that the refrigeration capacity of a high-temperature evaporator is small, and the efficiency of the refrigeration system is low. And the other mode adopts a single evaporator and air door combined mode to realize the refrigeration of each chamber, the corresponding chambers of the evaporator can not realize independent temperature control, and the problems of food odor tainting among the chambers and the like are solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air-cooled refrigerator with multicycle refrigerating system has solved the problem that the food between refrigerator refrigeration effect is poor, each room is easily tainted the flavor and can't realize the independent control.
The purpose of the utility model can be realized by the following technical scheme:
an air-cooled refrigerator with a multi-cycle refrigeration system comprises the multi-cycle refrigeration refrigerator system, wherein the multi-cycle refrigeration refrigerator system comprises a compressor, a condenser, a filter, a plurality of electric valves, a capillary tube, an evaporator and a liquid storage device;
an exhaust port of the compressor is connected with an inlet of a condenser, an outlet of the condenser is connected with an inlet of a filter, an outlet of the filter is connected with an inlet of a first electric valve, an outlet of the first electric valve is respectively connected with an inlet of a first capillary tube, an inlet of a second capillary tube and an inlet of a second electric valve, an outlet of the second electric valve is respectively connected with an inlet of a third capillary tube, an inlet of a fourth capillary tube and an inlet of a fifth capillary tube, and an outlet of the fifth capillary tube is respectively connected with one end of a first evaporator, one end of a second evaporator, one end of a third evaporator and one;
the other end of the first evaporator is respectively connected with an outlet of the first capillary tube and one end of a first liquid storage device, and the other end of the first liquid storage device is communicated with an inlet b end of the third electric valve; the other end of the second evaporator is respectively connected with a second capillary tube outlet and a second liquid storage device, and the second liquid storage device is communicated with the inlet c end of the third electric valve; the other end of the third evaporator is respectively connected with a third capillary tube outlet and a third liquid storage device, and the other end of the third liquid storage device is communicated with a third electric valve inlet d; the other end of the fourth evaporator is connected with a fourth capillary tube outlet and a fourth liquid storage device respectively, the other end of the fourth third liquid storage device is communicated with a third electric valve inlet e, and a third electric valve outlet a is connected with a compressor air suction port.
Further, the first evaporator is arranged in the first chamber, the second evaporator is arranged in the second chamber, the third evaporator is arranged in the third chamber, and the fourth evaporator is arranged in the fourth chamber.
Further, when the first electrically operated valve is in communication with the first capillary: when the third electric valve inlet c is opened and the third electric valve inlets b, d and e are closed, the refrigeration cycle formed by the first capillary tube, the first evaporator and the second evaporator realizes the simultaneous refrigeration of the first compartment and the second compartment; when the third electric valve inlet d is opened and the third electric valve inlets b, c and e are closed, the refrigeration cycle formed by the first capillary tube, the first evaporator and the third evaporator realizes the simultaneous refrigeration of the first chamber and the third chamber; when the third electric valve inlet e is opened and the third electric valve inlets b, c and d are closed, the refrigeration cycle formed by the first capillary tube, the first evaporator and the fourth evaporator realizes the simultaneous refrigeration of the first chamber and the fourth chamber.
Further, when the first electrically operated valve is in communication with the second capillary: when the third electric valve inlet b is opened and the third electric valve inlets c, d and e are closed, the refrigeration cycle formed by the second capillary tube, the second evaporator and the first evaporator realizes the simultaneous refrigeration of the second chamber and the first chamber; when the third electric valve inlet d is opened and the third electric valve inlets b, c and e are closed, the refrigeration cycle formed by the second capillary tube, the second evaporator and the third evaporator realizes the simultaneous refrigeration of the second chamber and the third chamber; and when the third electric valve inlet e is opened and the third electric valve inlets b, c and d are closed, the refrigeration cycle formed by the second capillary tube, the second evaporator and the fourth evaporator realizes the simultaneous refrigeration of the second chamber and the fourth chamber.
Further, when the first electrically operated valve is in communication with the second electrically operated valve and the third capillary: when the third electric valve inlet b is opened and the third electric valve inlets c, d and e are closed, the refrigeration cycle formed by the third capillary tube, the third evaporator and the first evaporator realizes the simultaneous refrigeration of the third chamber and the first chamber; when the third electric valve inlet c is opened and the third electric valve inlets b, d and e are closed, the refrigeration cycle formed by the third capillary tube, the third evaporator and the second evaporator realizes the simultaneous refrigeration of the third compartment and the second compartment; and when the third electric valve inlet e is opened and the third electric valve inlets b, c and d are closed, the refrigeration cycle formed by the third capillary tube, the third evaporator and the fourth evaporator realizes the simultaneous refrigeration of the third chamber and the fourth chamber.
Further, when the first electrically operated valve is in communication with the second electrically operated valve and the fourth capillary: when the third electric valve inlet b is opened and the third electric valve inlets c, d and e are closed, the fourth capillary tube, the fourth evaporator and the first evaporator form a refrigeration cycle, so that the fourth chamber and the first chamber are refrigerated simultaneously; when the third electric valve inlet c is opened and the third electric valve inlets b, d and e are closed, the fourth capillary tube, the fourth evaporator and the second evaporator form a refrigeration cycle to realize the simultaneous refrigeration of the fourth compartment and the second compartment; and when the third electric valve inlet d is opened and the third electric valve inlets b, c and e are closed, the fourth capillary tube, the fourth evaporator and the third evaporator form a refrigeration cycle, and the fourth chamber and the third chamber are simultaneously refrigerated.
Further, when the first electrically operated valve is in communication with the second electrically operated valve and the fifth capillary: when the third electric valve inlet b is opened and the third electric valve inlets c, d and e are closed, the refrigeration cycle formed by the fifth capillary tube and the first evaporator realizes the independent refrigeration of the first chamber; when the third electric valve inlet c is opened and the third electric valve inlets b, d and e are closed, the refrigeration cycle formed by the fifth capillary tube and the second evaporator realizes the independent refrigeration of the second chamber; when the third electric valve inlet d is opened and the third electric valve inlets b, c and e are closed, the refrigeration cycle formed by the fifth capillary tube and the third evaporator realizes the independent refrigeration of the third chamber; and when the third electric valve inlet e is opened and the third electric valve inlets b, c and d are closed, the fourth compartment is independently refrigerated through a refrigeration cycle formed by the fifth capillary tube and the fourth evaporator.
The utility model discloses following beneficial effect has:
the utility model provides an air-cooled refrigerator with multi-cycle refrigerating system, through the motorised valve combination switching mode, realize that arbitrary one compartment refrigerates alone, or two arbitrary compartments refrigerate simultaneously, reach all compartments of air-cooled refrigerator and refrigerate (4 ℃) to freezing (-18 ℃) and become the temperature function entirely, each compartment all sets up the evaporimeter simultaneously, solve the compartment food and get mixed the flavor scheduling problem;
the evaporator corresponding to the low-temperature chamber is arranged at the front end of the refrigerating system, and the evaporator corresponding to the high-temperature chamber is arranged at the rear end of the refrigerating system, so that the problems that the refrigerating capacity of the high-temperature evaporator is small and the efficiency of the refrigerating system is low due to the fact that a refrigerant is easy to migrate to the low-temperature chamber in the process of switching the refrigerating system from the low-temperature chamber to the high-temperature chamber are solved;
of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an air-cooled refrigerator with a multi-cycle refrigeration system according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, an air-cooled refrigerator with a multi-cycle refrigeration system includes a multi-cycle refrigeration refrigerator system, which includes a compressor 1, a condenser 2, a filter 3, a plurality of electric valves, a capillary tube, an evaporator and a liquid reservoir;
an exhaust port of the compressor 1 is connected with an inlet of a condenser 2, an outlet of the condenser 2 is connected with an inlet of a filter 3, an outlet of the filter 3 is connected with an inlet of a first electric valve 41, an outlet of the first electric valve 41 is respectively connected with an inlet of a first capillary 51, an inlet of a second capillary 52 and an inlet of a second electric valve 42, an outlet of the second electric valve 42 is respectively connected with an inlet of a third capillary 53, an inlet of a fourth capillary 54 and an inlet of a fifth capillary 55, and an outlet of the fifth capillary 55 is respectively connected with one end of a first evaporator 61, a second evaporator 62, a third evaporator 63 and a fourth evaporator 64;
the other end of the first evaporator 61 is respectively connected with the outlet of the first capillary tube 51 and one end of the first liquid storage device 71, and the other end of the first liquid storage device 71 is communicated with the inlet b end of the third electric valve 8; the other end of the second evaporator 62 is respectively connected with the outlet of the second capillary tube 52 and the second liquid storage device 72, and the second liquid storage device 72 is communicated with the inlet c end of the third electric valve 8; the other end of the third evaporator 63 is connected with the outlet of the third capillary 53 and the third liquid reservoir 73, and the other end of the third liquid reservoir 73 is communicated with the inlet d of the third electric valve 8; the other end of the fourth evaporator 64 is connected to the outlet of the fourth capillary tube 54 and the fourth accumulator 74, the other end of the fourth third accumulator 73 is connected to the inlet e of the third electric valve 8, and the outlet a of the third electric valve 8 is connected to the inlet of the compressor 1.
The first evaporator 61 is disposed in the first compartment, the second evaporator 62 is disposed in the second compartment, the third evaporator 63 is disposed in the third compartment, and the fourth evaporator 64 is disposed in the fourth compartment.
When the first electro valve 41 is in communication with the first capillary 51:
when the inlet c of the third electric valve 8 is opened and the inlets b, d and e of the third electric valve are closed, the refrigeration cycle formed by the first capillary tube 51, the first evaporator 61 and the second evaporator 62 realizes the simultaneous refrigeration of the first chamber and the second chamber; when the inlet d of the third electric valve 8 is opened and the inlets b, c and e of the third electric valve are closed, the refrigeration cycle formed by the first capillary tube 51, the first evaporator 61 and the third evaporator 63 realizes the simultaneous refrigeration of the first chamber and the third chamber; when the inlet e of the third electric valve 8 is opened and the inlets b, c and d of the third electric valve are closed, the refrigeration cycle formed by the first capillary tube 51, the first evaporator 61 and the fourth evaporator 64 realizes the simultaneous refrigeration of the first chamber and the fourth chamber.
When the first electro valve 41 is in communication with the second capillary 52:
when the inlet b of the third electric valve 8 is opened and the inlets c, d and e of the third electric valve are closed, the refrigeration cycle formed by the second capillary tube 52, the second evaporator 62 and the first evaporator 61 realizes the simultaneous refrigeration of the second chamber and the first chamber; when the inlet d of the third electric valve 8 is opened and the inlets b, c and e of the third electric valve are closed, the refrigeration cycle formed by the second capillary tube 52, the second evaporator 62 and the third evaporator 63 realizes the simultaneous refrigeration of the second chamber and the third chamber; when the inlet e of the third electric valve 8 is opened and the inlets b, c and d of the third electric valve are closed, the refrigeration cycle formed by the second capillary tube 52, the second evaporator 62 and the fourth evaporator 64 realizes the simultaneous refrigeration of the second chamber and the fourth chamber.
When the first electro valve 41 is in communication with the second electro valve 42 and the third capillary 53:
when the inlet b of the third electric valve 8 is opened and the inlets c, d and e of the third electric valve are closed, the refrigeration cycle formed by the third capillary 53, the third evaporator 63 and the first evaporator 61 realizes the simultaneous refrigeration of the third chamber and the first chamber; when the inlet c of the third electric valve 8 is opened and the inlets b, d and e of the third electric valve are closed, the refrigeration cycle formed by the third capillary 53, the third evaporator 63 and the second evaporator 62 realizes the simultaneous refrigeration of the third chamber and the second chamber; when the inlet e of the third electric valve 8 is opened and the inlets b, c and d of the third electric valve are closed, the refrigeration cycle formed by the third capillary 53, the third evaporator 63 and the fourth evaporator 64 realizes the simultaneous refrigeration of the third chamber and the fourth chamber.
When the first electro valve 41 is in communication with the second electro valve 42 and the fourth capillary 54:
when the inlet b of the third electric valve 8 is opened and the inlets c, d and e of the third electric valve are closed, the fourth capillary tube 54, the fourth evaporator 64 and the first evaporator 61 form a refrigeration cycle to realize the simultaneous refrigeration of the fourth chamber and the first chamber; when the inlet c of the third electric valve 8 is opened and the inlets b, d and e of the third electric valve are closed, the fourth capillary tube 54, the fourth evaporator 64 and the second evaporator 62 form a refrigeration cycle to realize the simultaneous refrigeration of the fourth chamber and the second chamber; when the inlet d of the third electric valve 8 is opened and the inlets b, c and e of the third electric valve are closed, the refrigeration cycle formed by the fourth capillary tube 54, the fourth evaporator 64 and the third evaporator 63 realizes the simultaneous refrigeration of the fourth chamber and the third chamber.
When the first electric valve 41 is in communication with the second electric valve 42 and the fifth capillary 55:
when the inlet b of the third electric valve 8 is opened and the inlets c, d and e of the third electric valve are closed, the refrigeration cycle formed by the fifth capillary tube 55 and the first evaporator 61 realizes the independent refrigeration of the first chamber; when the inlet c of the third electric valve 8 is opened and the inlets b, d and e of the third electric valve are closed, the refrigeration cycle formed by the fifth capillary tube 55 and the second evaporator 62 realizes the independent refrigeration of the second chamber; when the inlet d of the third electric valve 8 is opened and the inlets b, c and e of the third electric valve are closed, the refrigeration cycle formed by the fifth capillary tube 55 and the third evaporator 63 realizes the independent refrigeration of the third chamber; when the inlet e of the third electric valve 8 is opened and the inlets b, c and d of the third electric valve are closed, the fourth compartment is cooled alone by the refrigeration cycle formed by the fifth capillary tube 55 and the fourth evaporator 64.
Setting TacIs the compartment sensor temperature, TONFor the starting point temperature, T, of the compartmentOFFFor the compartment shutdown point temperature, the temperature difference delta T is made to be Tac-(TON+TOFF)/2；
The cooling priority of each compartment is determined by comparing the difference between the difference,
a refrigeration control method of an air-cooled refrigerator with a multi-cycle refrigeration system comprises the following steps:
s1: when only one compartment has a refrigeration request, the compartment is independently refrigerated, and in the refrigeration process, if other compartments have refrigeration requests, the next refrigeration state is switched;
s2, when two compartments have refrigeration requests at the same time, the evaporators corresponding to the two compartments realize simultaneous refrigeration in a series connection mode, the evaporator corresponding to the compartment with low set temperature is arranged at the front end of the evaporator corresponding to the compartment with high set temperature, and when the refrigeration request of any compartment is finished or the current refrigeration state runs for more than t minutes, the next refrigeration state is switched;
s3, when three or four compartments have refrigeration requests at the same time, selecting two compartments with the highest priority for simultaneous refrigeration according to the refrigeration priority judgment principle, realizing simultaneous refrigeration by the evaporators corresponding to the two compartments in a series connection mode, arranging the evaporator corresponding to the compartment with lower set temperature at the front end of the evaporator corresponding to the compartment with higher set temperature, and switching to the next refrigeration state when the refrigeration request of any compartment is finished or the current refrigeration state runs for more than t minutes;
s4: when all compartment cooling requests are over, the compressor is shut down.
Wherein the value range of t is 0-90 minutes.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides an air-cooled refrigerator with multicycle refrigerating system which characterized in that: the system comprises a multi-cycle refrigeration refrigerator system, wherein the multi-cycle refrigeration refrigerator system comprises a compressor (1), a condenser (2), a filter (3), a plurality of electric valves, a capillary tube, an evaporator and a liquid storage device;
an exhaust port of the compressor (1) is connected with an inlet of a condenser (2), an outlet of the condenser (2) is connected with an inlet of a filter (3), an outlet of the filter (3) is connected with an inlet of a first electric valve (41), an outlet of the first electric valve (41) is respectively connected with an inlet of a first capillary tube (51), an inlet of a second capillary tube (52) and an inlet of a second electric valve (42), an outlet of the second electric valve (42) is respectively connected with an inlet of a third capillary tube (53), an inlet of a fourth capillary tube (54) and an inlet of a fifth capillary tube (55), and an outlet of the fifth capillary tube (55) is respectively connected with one end of a first evaporator (61), one end of a second evaporator (62), one end of a third evaporator (63) and one end of a fourth evaporator (64);
the other end of the first evaporator (61) is respectively connected with an outlet of a first capillary tube (51) and one end of a first liquid storage device (71), and the other end of the first liquid storage device (71) is communicated with an inlet b end of a third electric valve (8); the other end of the second evaporator (62) is respectively connected with an outlet of a second capillary tube (52) and a second liquid storage device (72), and the second liquid storage device (72) is communicated with the inlet c end of a third electric valve (8); the other end of the third evaporator (63) is respectively connected with an outlet of a third capillary tube (53) and a third liquid storage device (73), and the other end of the third liquid storage device (73) is communicated with an inlet d of a third electric valve (8); the other end of the fourth evaporator (64) is respectively connected with an outlet of a fourth capillary tube (54) and a fourth liquid storage device (74), the other end of a fourth third liquid storage device (73) is communicated with an inlet e of a third electric valve (8), and an outlet a of the third electric valve (8) is connected with an air suction port of the compressor (1).
2. The air-cooled refrigerator with a multi-cycle refrigerating system as claimed in claim 1, wherein: the first evaporator (61) is arranged in a first compartment, the second evaporator (62) is arranged in a second compartment, the third evaporator (63) is arranged in a third compartment, and the fourth evaporator (64) is arranged in a fourth compartment.
3. The air-cooled refrigerator with a multi-cycle refrigerating system as claimed in claim 2, wherein: when the first electric valve (41) is in communication with the first capillary (51): when an inlet c of the third electric valve (8) is opened and inlets b, d and e of the third electric valve (8) are closed, the refrigeration cycle formed by the first capillary tube (51), the first evaporator (61) and the second evaporator (62) realizes the simultaneous refrigeration of the first compartment and the second compartment; when the inlet d of the third electric valve (8) is opened and the inlets b, c and e of the third electric valve (8) are closed, the refrigeration cycle formed by the first capillary tube (51), the first evaporator (61) and the third evaporator (63) realizes the simultaneous refrigeration of the first chamber and the third chamber; when the inlet e of the third electric valve (8) is opened and the inlets b, c and d of the third electric valve (8) are closed, the refrigeration cycle formed by the first capillary tube (51), the first evaporator (61) and the fourth evaporator (64) realizes the simultaneous refrigeration of the first chamber and the fourth chamber.
4. The air-cooled refrigerator with a multi-cycle refrigerating system as claimed in claim 2, wherein: when the first electric valve (41) is in communication with the second capillary (52): when the inlet b of the third electric valve (8) is opened and the inlets c, d and e of the third electric valve (8) are closed, the refrigeration cycle formed by the second capillary tube (52), the second evaporator (62) and the first evaporator (61) realizes the simultaneous refrigeration of the second chamber and the first chamber; when the inlet d of the third electric valve (8) is opened and the inlets b, c and e of the third electric valve (8) are closed, the refrigeration cycle formed by the second capillary tube (52), the second evaporator (62) and the third evaporator (63) realizes the simultaneous refrigeration of the second chamber and the third chamber; when the inlet e of the third electric valve (8) is opened and the inlets b, c and d of the third electric valve (8) are closed, the refrigeration cycle formed by the second capillary tube (52), the second evaporator (62) and the fourth evaporator (64) realizes the simultaneous refrigeration of the second chamber and the fourth chamber.
5. The air-cooled refrigerator with a multi-cycle refrigerating system as claimed in claim 2, wherein: when the first electric valve (41) is in communication with the second electric valve (42) and the third capillary (53): when the inlet b of the third electric valve (8) is opened and the inlets c, d and e of the third electric valve (8) are closed, the refrigeration cycle formed by the third capillary tube (53), the third evaporator (63) and the first evaporator (61) realizes the simultaneous refrigeration of the third chamber and the first chamber; when the inlet c of the third electric valve (8) is opened and the inlets b, d and e of the third electric valve (8) are closed, the refrigeration cycle formed by the third capillary tube (53), the third evaporator (63) and the second evaporator (62) realizes the simultaneous refrigeration of the third chamber and the second chamber; and when the inlet e of the third electric valve (8) is opened and the inlets b, c and d of the third electric valve (8) are closed, the refrigeration cycle formed by the third capillary tube (53), the third evaporator (63) and the fourth evaporator (64) realizes the simultaneous refrigeration of the third chamber and the fourth chamber.
6. The air-cooled refrigerator with a multi-cycle refrigerating system as claimed in claim 2, wherein: when the first electric valve (41) is in communication with the second electric valve (42) and the fourth capillary tube (54): when the inlet b of the third electric valve (8) is opened and the inlets c, d and e of the third electric valve (8) are closed, the refrigeration cycle formed by the fourth capillary tube (54), the fourth evaporator (64) and the first evaporator (61) realizes the simultaneous refrigeration of the fourth chamber and the first chamber; when the inlet c of the third electric valve (8) is opened and the inlets b, d and e of the third electric valve (8) are closed, the refrigeration cycle formed by the fourth capillary tube (54), the fourth evaporator (64) and the second evaporator (62) realizes the simultaneous refrigeration of the fourth chamber and the second chamber; when the inlet d of the third electric valve (8) is opened and the inlets b, c and e of the third electric valve (8) are closed, the refrigeration cycle formed by the fourth capillary tube (54), the fourth evaporator (64) and the third evaporator (63) realizes the simultaneous refrigeration of the fourth chamber and the third chamber.
7. The air-cooled refrigerator with a multi-cycle refrigerating system as claimed in claim 2, wherein: when the first electric valve (41) is in communication with the second electric valve (42) and the fifth capillary tube (55): when the inlet b of the third electric valve (8) is opened and the inlets c, d and e of the third electric valve (8) are closed, the refrigeration cycle formed by the fifth capillary tube (55) and the first evaporator (61) realizes the independent refrigeration of the first chamber; when the inlet c of the third electric valve (8) is opened and the inlets b, d and e of the third electric valve (8) are closed, the refrigeration cycle formed by the fifth capillary tube (55) and the second evaporator (62) realizes the independent refrigeration of the second chamber; when the inlet d of the third electric valve (8) is opened and the inlets b, c and e of the third electric valve (8) are closed, the refrigeration cycle formed by the fifth capillary tube (55) and the third evaporator (63) realizes the independent refrigeration of the third chamber; and when the inlet e of the third electric valve (8) is opened and the inlets b, c and d of the third electric valve (8) are closed, the fourth compartment is independently refrigerated through a refrigeration cycle formed by the fifth capillary tube (55) and the fourth evaporator (64).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921668708.9U CN211476357U (en) | 2019-10-08 | 2019-10-08 | Air-cooled refrigerator with multi-cycle refrigerating system |
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| CN201921668708.9U CN211476357U (en) | 2019-10-08 | 2019-10-08 | Air-cooled refrigerator with multi-cycle refrigerating system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110579032A (en) * | 2019-10-08 | 2019-12-17 | 长虹美菱股份有限公司 | Air-cooled refrigerator with multi-cycle refrigeration system and refrigeration control method thereof |
| CN116353299A (en) * | 2023-06-01 | 2023-06-30 | 吉林大学 | Electric automobile thermal management system with variable refrigeration sequence and control method |
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2019
- 2019-10-08 CN CN201921668708.9U patent/CN211476357U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110579032A (en) * | 2019-10-08 | 2019-12-17 | 长虹美菱股份有限公司 | Air-cooled refrigerator with multi-cycle refrigeration system and refrigeration control method thereof |
| CN116353299A (en) * | 2023-06-01 | 2023-06-30 | 吉林大学 | Electric automobile thermal management system with variable refrigeration sequence and control method |
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