CN209744761U - multi-cycle refrigerating system of air-cooled refrigerator - Google Patents
multi-cycle refrigerating system of air-cooled refrigerator Download PDFInfo
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- CN209744761U CN209744761U CN201822188920.7U CN201822188920U CN209744761U CN 209744761 U CN209744761 U CN 209744761U CN 201822188920 U CN201822188920 U CN 201822188920U CN 209744761 U CN209744761 U CN 209744761U
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Abstract
the utility model discloses a multicycle refrigerating system of air-cooled refrigerator and control method thereof relates to refrigerating system technical field. The utility model discloses a: the compressor, the filter and the one-inlet four-outlet electric valve; three outlets of the one-inlet four-outlet electric valve are respectively and correspondingly connected with the first capillary tube, the second capillary tube and the third capillary tube; the second capillary tube is respectively communicated with the first evaporator, the second evaporator and the third evaporator; the first evaporator is communicated with a first inlet b of the three-inlet one-outlet electric valve; the second evaporator is communicated with a second inlet c of the three-inlet one-outlet electric valve; the third evaporator is communicated with a third inlet d of the three-inlet one-outlet electric valve. The utility model discloses a combination of two electric valves switches, constitutes a plurality of independent or the evaporimeter branch roads of establishing ties that satisfy different demands, and room evaporimeter is located room evaporimeter front end between the high temperature simultaneously between the low temperature, avoids the refrigerant to room migration between the low temperature, improves refrigerating system efficiency, reduces power consumption.
Description
Technical Field
the utility model belongs to the technical field of refrigerating system, especially, relate to a multicycle refrigerating system of air-cooled refrigerator.
background
with the continuous improvement of living standard, the use function and the requirement of consumers on the refrigerator are higher and higher, the traditional refrigerator with the functions of cold storage, temperature change and freezing can not completely meet the use requirement of users, and the concept of the free full-temperature change refrigerator is produced at the same time. The free full-temperature-changing mode is characterized in that temperature zones of all compartments of the refrigerator can be freely switched from refrigeration (4 ℃) to freezing (-18 ℃) according to user requirements, compartment types and temperature zones can be flexibly changed, and the use convenience of users is greatly improved.
at present, in a mature technical scheme, a multi-cycle refrigeration system can realize the function of fully changing the temperature of most compartments of a refrigerator, and has the main defects that independent temperature control cannot be realized for the corresponding compartments of an evaporator at the tail end of the refrigeration system, and meanwhile, in the process of switching from a low-temperature compartment to a high-temperature compartment, a refrigerant migrates to the low-temperature compartment, so that the refrigerating capacity of the high-temperature evaporator is small, and the efficiency of the refrigeration system is reduced.
The utility model discloses a research and development multi-cycle refrigerating system of forced air cooling refrigerator for solve the multi-cycle refrigerating system's of current forced air cooling refrigerator evaporimeter and can not realize independent accuse temperature, when low temperature room and high temperature room switch, the problem that refrigeration efficiency is low simultaneously.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multicycle refrigerating system of air-cooled refrigerator switches through the combination of two electric valves, constitutes a plurality of independent or the evaporimeter branch roads of establishing ties that satisfy different demands, has realized the refrigeration demand of different rooms in the air-cooled refrigerator, and the evaporimeter of the multicycle refrigerating system who has solved current air-cooled refrigerator can not realize independent accuse temperature, and when the room switches over between low temperature room and high temperature simultaneously, problem that refrigeration efficiency is low.
in order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model discloses a multicycle refrigerating system of forced air cooling refrigerator, multicycle refrigerating system includes: the exhaust port of the compressor is connected with the inlet of the condenser; the outlet of the condenser is connected with the inlet of the filter; the outlet of the filter is communicated with the inlet of an electric valve with four inlets and four outlets;
four outlets of the one-inlet four-outlet electric valve are respectively and correspondingly connected with the first capillary tube, the second capillary tube, the third capillary tube and the fourth capillary tube; the fourth capillary tube is respectively communicated with one ends of the first evaporator, the second evaporator and the third evaporator;
the other end of the first evaporator is respectively communicated with the first capillary tube and a first inlet b of the three-inlet one-outlet electric valve; the other end of the second evaporator is respectively communicated with the second capillary tube and a second inlet c of the three-inlet one-outlet electric valve; the other end of the third evaporator is respectively communicated with the third capillary tube and a third inlet d of the three-inlet one-outlet electric valve; and the outlet a of the three-in one-out electric valve is communicated with the inlet of the compressor.
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.
preferably, when the one-in four-out electric valve is communicated with the first capillary only:
when a second inlet c of the three-in one-out electric valve is opened and other inlets 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;
and when the third inlet d of the three-in one-out electric valve is opened and other inlets 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.
Preferably, when the one-in four-out electric valve is communicated with the second capillary tube only:
When the first inlet b of the three-inlet one-outlet electric valve is opened and other inlets are closed, the refrigeration cycle formed by the second capillary tube, the second evaporator and the first evaporator realizes the simultaneous refrigeration of the first compartment and the second compartment;
And when the third inlet d of the three-in one-out electric valve is opened and other inlets 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.
Preferably, when the one-in four-out electric valve is communicated with the third capillary only:
when the first inlet b of the three-in one-out electric valve is opened and other inlets are closed, the refrigeration cycle formed by the third capillary tube, the third evaporator and the first evaporator realizes the simultaneous refrigeration of the first chamber and the third chamber;
And when the second inlet c of the three-in one-out electric valve is opened and other inlets are closed, the refrigeration cycle formed by the third capillary tube, the third evaporator and the second evaporator realizes the simultaneous refrigeration of the second chamber and the third chamber.
Preferably, when the one-in four-out electric valve is communicated with the fourth capillary only:
When the first inlet b of the three-inlet one-outlet electric valve is opened and other inlets are closed, the refrigeration cycle formed by the fourth capillary tube and the first evaporator realizes the independent refrigeration of the first chamber;
when a second inlet c of the three-inlet one-outlet electric valve is opened and other inlets are closed, the refrigeration cycle formed by the fourth capillary tube and the second evaporator realizes the independent refrigeration of the second chamber;
when a third inlet d of the three-in one-out electric valve is opened and other inlets are closed, the refrigeration cycle formed by the fourth capillary tube and the third evaporator realizes independent refrigeration of the third chamber;
preferably, liquid reservoirs are respectively arranged between the first evaporator and the first inlet b of the three-inlet one-outlet electric valve, between the second evaporator and the second inlet c of the three-inlet one-outlet electric valve, and between the third evaporator and the third inlet d of the three-inlet one-outlet electric valve.
Preferably, the three-in one-out electric valve can be replaced by three one-in one-out valves or a combination of one-in one-out and two-in one-out, and the functions of the three-in one-out electric valves are not changed.
the control method of the multi-cycle refrigeration system of the air-cooled refrigerator comprises the following steps:
The first chamber, the second chamber and the third chamber can be set to be a high-temperature chamber, a low-temperature chamber or a closed state;
when all the compartments in the air-cooled refrigerator are set to be high-temperature compartments or low-temperature compartments:
If two or more compartments have refrigeration requests, the refrigeration cycle adopts two evaporators to operate in series;
if only one compartment requires refrigeration, the refrigeration cycle operates with an independent evaporator;
When the chamber in the air-cooled refrigerator is partially set as a high-temperature chamber and partially set as a low-temperature chamber:
If only the high-temperature chamber requests refrigeration, the refrigeration cycle adopts the series operation of the evaporator corresponding to the low-temperature chamber and the evaporator corresponding to the high-temperature chamber, and the evaporator corresponding to the low-temperature chamber is positioned at the front end of the evaporator corresponding to the high-temperature chamber;
if only two low-temperature chambers request refrigeration, the refrigeration cycle adopts two evaporators to operate in series;
if only one low-temperature chamber requests refrigeration, the refrigeration cycle independently operates by using a low-temperature chamber evaporator;
if the high-temperature chamber and the low-temperature chamber have refrigeration requests at the same time, the refrigeration cycle adopts the series operation of the evaporator corresponding to the low-temperature chamber and the evaporator corresponding to the high-temperature chamber, and the evaporator corresponding to the low-temperature chamber is positioned at the front end of the evaporator corresponding to the high-temperature chamber.
The utility model discloses following beneficial effect has:
The utility model forms a plurality of independent or series evaporator branches meeting different requirements by the combined switching of the double electric valves, and realizes the refrigeration requirements of different chambers in the air-cooled refrigerator by adjusting the flow direction of the refrigerant in the evaporator; meanwhile, the low-temperature chamber evaporator is positioned at the front end of the high-temperature chamber evaporator, so that the refrigerant is prevented from migrating to the low-temperature chamber, the efficiency of the refrigerating system is improved, and the power consumption is reduced; all the compartments can be independently controlled and closed, and the temperature control is accurate, so that the wide temperature changing function of all the compartments of the refrigerator is realized.
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 structural view of a multi-cycle refrigeration system of an air-cooled refrigerator 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, the multi-cycle refrigeration system of the air-cooled refrigerator of the present invention includes: the exhaust port of the compressor 1 is connected with the inlet of the condenser 2; the outlet of the condenser 2 is connected with the inlet of the filter 3; the outlet of the filter 3 is communicated with the inlet of an inlet four-outlet electric valve 4;
the four outlets of the one-in-four-out electric valve 4 are respectively and correspondingly connected with a first capillary 51, a second capillary 52, a third capillary 53 and a fourth capillary 54; the fourth capillary tube 54 communicates with one ends of the first evaporator 61, the second evaporator 62, and the third evaporator 63, respectively;
the other end of the first evaporator 61 is respectively communicated with the first capillary 51 and the first inlet b of the three-inlet one-outlet electric valve 7; the other end of the second evaporator 62 is respectively communicated with the second capillary tube 52 and the second inlet c of the three-inlet one-outlet electric valve 7; the other end of the third evaporator 63 is respectively communicated with the third capillary 53 and the third inlet d of the three-inlet one-outlet electric valve 7; the outlet a of the three-in one-out electric valve 7 is communicated with the inlet of the compressor 1.
the first evaporator 61 is arranged in the first compartment; the second evaporator 62 is disposed in the second compartment; the third evaporator 63 is provided in the third compartment.
Wherein, when the one-in four-out electric valve 4 is communicated with only the first capillary 51:
When the second inlet c of the three-in one-out electric valve 7 is opened and other inlets 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 third inlet d of the three-in one-out electric valve 7 is opened and the other inlets are closed, the refrigeration cycle constituted by the first capillary tube 51, the first evaporator 61 and the third evaporator 63 realizes the simultaneous refrigeration of the first compartment and the third compartment.
wherein, when the one-in four-out electric valve 4 is only communicated with the second capillary 52:
when the first inlet b of the three-in one-out electric valve 7 is opened and other inlets 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 first compartment and the second compartment;
When the third inlet d of the three-in one-out electric valve 7 is opened and the other inlets 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.
wherein, when the one-in four-out electric valve 4 is only communicated with the third capillary 53:
When the first inlet b of the three-in one-out electric valve 7 is opened and other inlets 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 first chamber and the third chamber;
when the second inlet c of the three-in one-out electric valve 7 is opened and the other inlets are closed, the refrigeration cycle constituted by the third capillary 53, the third evaporator 63 and the second evaporator 62 realizes the simultaneous refrigeration of the second chamber and the third chamber.
wherein, when the one-in four-out electric valve 4 is only communicated with the fourth capillary 54:
when the first inlet b of the three-in one-out electric valve 7 is opened and other inlets are closed, the refrigeration cycle formed by the fourth capillary tube 54 and the first evaporator 61 realizes independent refrigeration of the first chamber;
when the second inlet c of the three-in one-out electric valve 7 is opened and other inlets are closed, the refrigeration cycle formed by the fourth capillary tube 54 and the second evaporator 62 realizes the independent refrigeration of the second chamber;
when the third inlet d of the three-in one-out electric valve 7 is opened and other inlets are closed, the refrigeration cycle formed by the fourth capillary tube 54 and the third evaporator 63 realizes independent refrigeration of the third chamber;
the liquid storage device 8 is disposed between the first evaporator 61 and the first inlet b of the three-in one-out electric valve 7, between the second evaporator 62 and the second inlet c of the three-in one-out electric valve 7, and between the third evaporator 63 and the third inlet d of the three-in one-out electric valve 7.
The three-in one-out electric valve 7 can be replaced by three one-in one-out valves or a combination of one-in one-out and two-in one-out, and the functions are not changed.
the control method of the multi-cycle refrigeration system of the air-cooled refrigerator comprises the following steps:
The first chamber, the second chamber and the third chamber can be set to be a high-temperature chamber, a low-temperature chamber or a closed state;
when all the compartments in the air-cooled refrigerator are set to be high-temperature compartments or low-temperature compartments:
If two or more compartments have refrigeration requests, the refrigeration cycle adopts two evaporators to operate in series;
if only one compartment requires refrigeration, the refrigeration cycle operates with an independent evaporator;
When the chamber in the air-cooled refrigerator is partially set as a high-temperature chamber and partially set as a low-temperature chamber:
if only the high-temperature chamber requests refrigeration, the refrigeration cycle adopts the series operation of the evaporator corresponding to the low-temperature chamber and the evaporator corresponding to the high-temperature chamber, and the evaporator corresponding to the low-temperature chamber is positioned at the front end of the evaporator corresponding to the high-temperature chamber;
If only two low-temperature chambers request refrigeration, the refrigeration cycle adopts two evaporators to operate in series;
if only one low-temperature chamber requests refrigeration, the refrigeration cycle independently operates by using a low-temperature chamber evaporator;
If the high-temperature chamber and the low-temperature chamber have refrigeration requests at the same time, the refrigeration cycle adopts the series operation of the evaporator corresponding to the low-temperature chamber and the evaporator corresponding to the high-temperature chamber, and the evaporator corresponding to the low-temperature chamber is positioned at the front end of the evaporator corresponding to the high-temperature chamber.
It should be noted that, in the above system embodiment, each included unit is only divided according to functional logic, but is not limited to the above division as long as the corresponding function can be implemented; in addition, the specific names of the functional units are also only for the convenience of distinguishing from each other, and are not used to limit the protection scope of the present invention.
in addition, it is understood by those skilled in the art that all or part of the steps in the method for implementing the embodiments described above may be implemented by a program instructing associated hardware, and the corresponding program may be stored in a computer-readable storage medium.
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 multi-cycle refrigeration system of the air-cooled refrigerator is characterized by comprising: the exhaust port of the compressor (1) is connected with the inlet of the condenser (2); the outlet of the condenser (2) is connected with the inlet of the filter (3); the outlet of the filter (3) is communicated with the inlet of an inlet and outlet electric valve (4);
four outlets of the one-inlet four-outlet electric valve (4) are respectively and correspondingly connected with a first capillary tube (51), a second capillary tube (52), a third capillary tube (53) and a fourth capillary tube (54); the fourth capillary tube (54) is respectively communicated with one end of the first evaporator (61), one end of the second evaporator (62) and one end of the third evaporator (63);
the other end of the first evaporator (61) is respectively communicated with the first capillary tube (51) and a first inlet (b) of a three-inlet one-outlet electric valve (7); the other end of the second evaporator (62) is respectively communicated with the second capillary tube (52) and a second inlet (c) of the three-inlet one-outlet electric valve (7); the other end of the third evaporator (63) is respectively communicated with the third capillary (53) and a third inlet (d) of the three-inlet one-outlet electric valve (7); the outlet (a) of the three-inlet one-outlet electric valve (7) is communicated with the inlet of the compressor (1);
The first evaporator (61) is arranged in the first chamber; the second evaporator (62) is arranged in the second chamber; the third evaporator (63) is disposed in the third compartment.
2. The multi-cycle refrigeration system of the air-cooled refrigerator as claimed in claim 1, wherein when the electric valve (4) for inlet and outlet is in communication with the first capillary tube (51) only:
when the second inlet (c) of the three-inlet one-outlet electric valve (7) is opened and other inlets 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;
and when the third inlet (d) of the three-inlet one-outlet electric valve (7) is opened and other inlets 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.
3. The multi-cycle refrigeration system of the air-cooled refrigerator as claimed in claim 1, wherein when the one-in four-out electric valve (4) is in communication with the second capillary tube (52) only:
when the first inlet (b) of the three-inlet one-outlet electric valve (7) is opened and other inlets 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 first chamber and the second chamber;
And when the third inlet (d) of the three-inlet one-outlet electric valve (7) is opened and other inlets 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.
4. The multi-cycle refrigeration system of the air-cooled refrigerator as claimed in claim 1, wherein when the electric valve (4) for inlet and outlet is in communication with the third capillary tube (53) only:
When the first inlet (b) of the three-inlet one-outlet electric valve (7) is opened and other inlets 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 first chamber and the third chamber;
When the second inlet (c) of the three-in one-out electric valve (7) is opened and other inlets 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 second chamber and the third chamber.
5. The multi-cycle refrigeration system of the air-cooled refrigerator as claimed in claim 1, wherein when the electric valve (4) for inlet and outlet is in communication with the fourth capillary tube (54) only:
When the first inlet (b) of the three-inlet one-outlet electric valve (7) is opened and other inlets are closed, the refrigeration cycle formed by the fourth capillary tube (54) and the first evaporator (61) realizes independent refrigeration of the first chamber;
the second inlet (c) of the three-inlet one-outlet electric valve (7) is opened, and when other inlets are closed, the refrigeration cycle formed by the fourth capillary tube (54) and the second evaporator (62) realizes the independent refrigeration of the second chamber;
and when the third inlet (d) of the three-inlet one-outlet electric valve (7) is opened and other inlets are closed, the refrigeration cycle formed by the fourth capillary tube (54) and the third evaporator (63) realizes the independent refrigeration of the third chamber.
6. the multi-cycle refrigeration system of the air-cooled refrigerator as claimed in claim 1, wherein a liquid reservoir (8) is arranged between the first evaporator (61) and the first inlet (b) of the three-in one-out electric valve (7), between the second evaporator (62) and the second inlet (c) of the three-in one-out electric valve (7), and between the third evaporator (63) and the third inlet (d) of the three-in one-out electric valve (7).
7. The multi-cycle refrigeration system of the air-cooled refrigerator as claimed in claim 1, wherein the three-in one-out electric valve (7) can be replaced by three one-in one-out valves or a combination of one-in one-out and two-in one-out valves, and the functions of the valves are not changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822188920.7U CN209744761U (en) | 2018-12-25 | 2018-12-25 | multi-cycle refrigerating system of air-cooled refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822188920.7U CN209744761U (en) | 2018-12-25 | 2018-12-25 | multi-cycle refrigerating system of air-cooled refrigerator |
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| Publication Number | Publication Date |
|---|---|
| CN209744761U true CN209744761U (en) | 2019-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822188920.7U Withdrawn - After Issue CN209744761U (en) | 2018-12-25 | 2018-12-25 | multi-cycle refrigerating system of air-cooled refrigerator |
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| CN (1) | CN209744761U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539618A (en) * | 2018-12-25 | 2019-03-29 | 长虹美菱股份有限公司 | The multi-cycle refrigeration system and its control method of wind cooling refrigerator |
| CN111238095A (en) * | 2020-03-12 | 2020-06-05 | 长虹美菱股份有限公司 | Refrigerating system for realizing variable-temperature chamber deep cooling and control method thereof |
| CN111578548A (en) * | 2020-05-25 | 2020-08-25 | 珠海格力电器股份有限公司 | Refrigerator refrigerating system and control method thereof |
-
2018
- 2018-12-25 CN CN201822188920.7U patent/CN209744761U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539618A (en) * | 2018-12-25 | 2019-03-29 | 长虹美菱股份有限公司 | The multi-cycle refrigeration system and its control method of wind cooling refrigerator |
| CN111238095A (en) * | 2020-03-12 | 2020-06-05 | 长虹美菱股份有限公司 | Refrigerating system for realizing variable-temperature chamber deep cooling and control method thereof |
| CN111238095B (en) * | 2020-03-12 | 2023-04-07 | 长虹美菱股份有限公司 | Refrigerating system for realizing variable-temperature chamber deep cooling and control method thereof |
| CN111578548A (en) * | 2020-05-25 | 2020-08-25 | 珠海格力电器股份有限公司 | Refrigerator refrigerating system and control method thereof |
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