CN115790034A - Refrigerator refrigeration defrosting system and refrigerator - Google Patents
Refrigerator refrigeration defrosting system and refrigerator Download PDFInfo
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- CN115790034A CN115790034A CN202211451621.2A CN202211451621A CN115790034A CN 115790034 A CN115790034 A CN 115790034A CN 202211451621 A CN202211451621 A CN 202211451621A CN 115790034 A CN115790034 A CN 115790034A
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- evaporator
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Abstract
The invention discloses a refrigerator refrigeration defrosting system and a refrigerator, and relates to the technical field of refrigeration. The refrigeration defrosting device comprises a compressor, an evaporator, a condenser, a filter, an air return pipe and an electromagnetic valve, wherein the evaporator comprises a first evaporator and a second evaporator, and all the evaporators are mutually connected to form three refrigeration defrosting modes. The refrigeration defrosting mode comprises a first mode, a second mode and a third mode, the first mode corresponds to the normal refrigeration stages of the first evaporator and the second evaporator, the second mode corresponds to the defrosting of the first evaporator and the refrigeration stage of the second evaporator, the third mode corresponds to the defrosting of the second evaporator and the refrigeration stage of the first evaporator, and the first mode, the second mode and the third mode can be switched through the electromagnetic valve. When heating defrosting is carried out, additional heating wires or heaters and other heating parts do not need to be additionally arranged, and the first evaporator and the second evaporator can be used as the heating parts to carry out defrosting.
Description
Technical Field
The invention relates to the technical field of refrigeration, in particular to a refrigerator refrigeration defrosting system and a refrigerator.
Background
When the refrigerator is defrosted at present, an extra heater is usually required to be additionally arranged for defrosting operation, so that the device cost is increased, and the assembly difficulty is also improved. In addition, when the existing refrigerator defrosts by using the heater, the refrigeration operation and the defrosting operation of the refrigerator cannot be simultaneously performed, and the refrigerator cannot be independently controlled to enter the defrosting operation according to the conditions of different compartments. After the refrigerator enters the defrosting period, the refrigerator is wholly subjected to defrosting operation, so that the defrosting operation is still performed in the chamber which does not need defrosting originally, and the energy consumption of the refrigerator is additionally increased.
Disclosure of Invention
The invention provides a refrigerator refrigeration and defrosting system and a refrigerator, aiming at the problems that a heater needs to be additionally arranged to carry out defrosting operation, in a defrosting period, the refrigeration operation and the defrosting operation of the refrigerator cannot be simultaneously carried out, and the refrigeration operation or the defrosting operation cannot be independently controlled according to the requirements of different compartments, so that the temperature fluctuation of the refrigerator is large, and the energy consumption is additionally increased.
In order to solve the technical problems, the invention adopts the following technical scheme:
a refrigerator refrigeration defrosting system comprises a compressor, an evaporator, a condenser, a filter, an air return pipe and an electromagnetic valve, wherein the evaporator comprises a first evaporator and a second evaporator, and all the evaporators are connected with each other to form three refrigeration defrosting modes. The refrigeration defrosting mode comprises a first mode, a second mode and a third mode, the first mode corresponds to the normal refrigeration stages of the first evaporator and the second evaporator, the second mode corresponds to the defrosting of the first evaporator and the refrigeration stage of the second evaporator, the third mode corresponds to the defrosting of the second evaporator and the refrigeration stage of the first evaporator, and the first mode, the second mode and the third mode can be switched through the electromagnetic valve.
Further, the condenser includes first condenser and second condenser, the solenoid valve includes first solenoid valve, second solenoid valve and third solenoid valve, first solenoid valve and second solenoid valve are three-way solenoid valve, first solenoid valve and second solenoid valve respectively include first passageway, second passageway and third passageway, the third solenoid valve is two-way solenoid valve, including first passageway and second passageway.
Further, the first mode includes a compressor, a first solenoid valve, a first condenser, a first evaporator, a second evaporator, a third solenoid valve and a return pipe, the refrigerant in the first mode flows through the first solenoid valve from the compressor, sequentially flows through the first condenser, the first evaporator and the second solenoid valve from a first passage of the first solenoid valve, flows through the second evaporator from a second passage of the second solenoid valve into the third solenoid valve, and flows back to the compressor through the return pipe from a second passage of the third solenoid valve to complete a refrigeration cycle.
Further, the second mode includes a compressor, a first solenoid valve, a first evaporator, a second solenoid valve, a filter, a second evaporator, a third solenoid valve and a return pipe, the refrigerant in the second mode flows from the compressor through the first solenoid valve, flows from a second passage of the first solenoid valve through the first evaporator into the second solenoid valve, flows from a third passage of the second solenoid valve through the filter and the second evaporator into the third solenoid valve, and flows from a second passage of the third solenoid valve through the return pipe back into the compressor to complete the cycle.
Further, the third mode includes a compressor, a first solenoid valve, a second evaporator, a third solenoid valve, a second condenser, a first evaporator, a second solenoid valve, and a return air pipe, and the refrigerant in the third mode flows from the compressor through the first solenoid valve, flows from a third passage of the first solenoid valve through the second evaporator into the third solenoid valve, flows from a first passage of the third solenoid valve through the second condenser, the first evaporator into the second solenoid valve, and returns from the first passage of the second solenoid valve to the compressor to complete the cycle.
Further, a first fan is arranged adjacent to the first evaporator, a second fan is arranged adjacent to the second evaporator, the first fan and the second fan are turned on in the first mode, the first fan is turned off and the second fan is turned on in the second mode, and the first fan is turned on and the second fan is turned off in the third mode.
A refrigerator comprises a refrigerator body and a refrigerator refrigerating and defrosting system, wherein the refrigerator refrigerating and defrosting system comprises the refrigerator body, the refrigerator body comprises a first chamber and a second chamber, a first evaporator corresponds to the first chamber, a second evaporator corresponds to the second chamber, a first fan is arranged close to the first evaporator, and a second fan is arranged close to the second evaporator.
Further, in the first mode, the first fan and the second fan are turned on, the first evaporator cools the first compartment, and the second evaporator cools the second compartment.
Further, in the second mode, the first fan is turned off, the second fan is turned on, the first evaporator performs defrosting, and the second evaporator performs cooling on the second chamber.
Further, in the third mode, the first fan is turned on, the second fan is turned off, the first evaporator cools the first compartment, and the second evaporator defrosts.
The invention has the beneficial effects that: in the first mode, the first evaporator and the second evaporator run simultaneously, so that the refrigerator can refrigerate quickly and has a deep-freezing and quick-freezing function. When heating defrosting is carried out, additional heating wires or heaters and other heating parts are not needed to be added for heating, the first evaporator and the second evaporator can be used as heating parts for defrosting, and refrigeration operation can be carried out simultaneously in a defrosting period, so that a refrigerator can continuously refrigerate without stopping in the defrosting period, temperature fluctuation in the refrigerator body can be reduced, and energy consumption is saved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the box body.
Description of the reference numerals: 1. a compressor; 2. a first solenoid valve; 3. a first condenser; 4. a first evaporator; 5. a second solenoid valve; 6. a filter; 7. a second evaporator; 8. a third electromagnetic valve; 9. a second condenser; 10. an air return pipe; 11. a first fan; 12. a second fan; 13. a box body; 14. a first compartment; 15. a second compartment.
Detailed Description
The invention discloses a refrigerator refrigeration defrosting system and a refrigerator, and a specific description is given below to an embodiment of the invention with reference to the accompanying drawings.
As shown in fig. 1, a refrigerating and defrosting system of a refrigerator comprises a compressor 1, an evaporator, a condenser, a filter 6, a return air pipe 10 and an electromagnetic valve. The evaporator comprises a first evaporator 4 and a second evaporator 7, the condenser comprises a first condenser 3 and a second condenser 9, and the electromagnetic valves comprise a first electromagnetic valve 2, a second electromagnetic valve 5 and a third electromagnetic valve 8. The first solenoid valve 2 and the second solenoid valve 5 are three-way solenoid valves, and the first solenoid valve 2 and the second solenoid valve 5 are respectively provided with a first passage, a second passage and a third passage. The third solenoid valve 8 is a two-way solenoid valve having a first passage and a second passage. The compressor 1, the evaporator, the condenser, the filter 6, the air return pipe 10 and the electromagnetic valve are connected with each other to form three refrigeration and defrosting modes.
The refrigeration defrosting mode comprises a first mode, a second mode and a third mode, the first mode corresponds to the normal refrigeration stages of the first evaporator 4 and the second evaporator 7, the second mode corresponds to the defrosting stage of the first evaporator 4 and the refrigeration stage of the second evaporator 7, the third mode corresponds to the defrosting stage of the second evaporator 7 and the refrigeration stage of the first evaporator 4, and the first mode, the second mode and the third mode can be switched through an electromagnetic valve.
The first mode comprises a compressor 1, a first electromagnetic valve 2, a first condenser 3, a first evaporator 4, a second evaporator 7, a third electromagnetic valve 8 and a gas return pipe 10, wherein refrigerant in the first mode flows through the first electromagnetic valve 2 from the compressor 1, sequentially flows through the first condenser 3, the first evaporator 4 and the second electromagnetic valve 5 from a first passage of the first electromagnetic valve 2, flows through the second evaporator 7 from a second passage of the second electromagnetic valve 5 to enter the third electromagnetic valve 8, and returns to the compressor 1 through the gas return pipe 10 from a second passage of the third electromagnetic valve 8 to complete a refrigeration cycle.
The second mode comprises a compressor 1, a first electromagnetic valve 2, a first evaporator 4, a second electromagnetic valve 5, a filter 6, a second evaporator 7, a third electromagnetic valve 8 and a return pipe 10, wherein the refrigerant in the second mode flows through the first electromagnetic valve 2 from the compressor 1, flows through the first evaporator 4 from the second passage of the first electromagnetic valve 2 to enter the second electromagnetic valve 5, flows through the filter 6 and the second evaporator 7 from the third passage of the second electromagnetic valve 5 to enter the third electromagnetic valve 8, and flows back into the compressor 1 from the second passage of the third electromagnetic valve 8 through the return pipe 10 to complete the circulation.
The third mode includes the compressor 1, the first solenoid valve 2, the second evaporator 7, the third solenoid valve 8, the second condenser 9, the first evaporator 4, the second solenoid valve 5 and the return pipe 10, the refrigerant in the third mode flows through the first solenoid valve 2 from the compressor 1, flows through the second evaporator 7 from the third passage of the first solenoid valve 2 into the third solenoid valve 8, flows through the second condenser 9, the first evaporator 4 into the second solenoid valve 5 from the first passage of the third solenoid valve 8, and returns to the compressor 1 from the first passage of the second solenoid valve 5 to complete the cycle.
A refrigerator comprises a box body 13 and a refrigerator refrigeration and defrosting system. The tank 13 includes a first compartment 14 and a second compartment 15, the first evaporator 4 corresponds to the first compartment 14, and the second evaporator 7 corresponds to the second compartment 15. A first fan 11 is arranged adjacent to the first evaporator 4 and a second fan 12 is arranged adjacent to the second evaporator 7. In the first mode, the first fan 11 and the second fan 12 are turned on, the first evaporator 4 cools the first compartment 14, and the second evaporator 7 cools the second compartment 15. In the second mode, the first fan 11 is turned off, the second fan 12 is turned on, the first evaporator 4 heats and defrosts, and the second evaporator 7 cools the second compartment 15. The refrigeration of the second evaporator 7 forms cold quantity support for the second compartment 15, so that the second compartment 15 is prevented from generating large temperature fluctuation and extra energy consumption is avoided. In the third mode, the first fan 11 is turned on, the second fan 12 is turned off, the first evaporator 4 cools the first compartment 14, and the second evaporator 7 heats and defrosts. The refrigeration of the first evaporator 4 forms cold quantity support for the first compartment 14, so that the first compartment 14 is prevented from generating large temperature fluctuation and extra energy consumption is avoided.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (9)
1. The refrigerator refrigeration defrosting system is characterized in that: the refrigeration and defrosting device comprises a compressor (1), an evaporator, a condenser, a filter (6), an air return pipe (10) and an electromagnetic valve, wherein the evaporator comprises a first evaporator (4) and a second evaporator (7), and all parts are mutually connected to form three refrigeration and defrosting modes;
the refrigeration defrosting mode comprises a first mode, a second mode and a third mode, the first mode corresponds to the normal refrigeration stages of the first evaporator (4) and the second evaporator (7), the second mode corresponds to the defrosting of the first evaporator (4) and the refrigeration stage of the second evaporator (7), the third mode corresponds to the defrosting of the second evaporator (7) and the refrigeration stage of the first evaporator (4), and the first mode, the second mode and the third mode can be switched through the electromagnetic valve.
2. The refrigeration defrosting system of a refrigerator according to claim 1, characterized in that: the condenser includes first condenser (3) and second condenser (9), the solenoid valve includes first solenoid valve (2), second solenoid valve (5) and third solenoid valve (8), first solenoid valve (2) are three solenoid valve with second solenoid valve (5), first solenoid valve (2) and second solenoid valve (5) each include first passageway, second passageway and third passageway, third solenoid valve (8) are two solenoid valve, including first passageway and second passageway.
3. The refrigeration defrosting system of a refrigerator according to claim 2, characterized in that: the first mode comprises a compressor (1), a first electromagnetic valve (2), a first condenser (3), a first evaporator (4), a second evaporator (7), a third electromagnetic valve (8) and a gas return pipe (10), refrigerant in the first mode flows through the first electromagnetic valve (2) from the compressor (1), sequentially flows through the first condenser (3), the first evaporator (4) and the second electromagnetic valve (5) from a first passage of the first electromagnetic valve (2), flows through the second evaporator (7) from a second passage of the second electromagnetic valve (5) into the third electromagnetic valve (8), and flows back into the compressor (1) through the gas return pipe (10) from a second passage of the third electromagnetic valve (8) to complete a refrigeration cycle.
4. The system of claim 2, wherein: the second mode comprises a compressor (1), a first electromagnetic valve (2), a first evaporator (4), a second electromagnetic valve (5), a filter (6), a second evaporator (7), a third electromagnetic valve (8) and a gas return pipe (10), refrigerant in the second mode flows through the first electromagnetic valve (2) from the compressor (1), flows through the first evaporator (4) from a second passage of the first electromagnetic valve (2) to enter the second electromagnetic valve (5), flows through the filter (6) and the second evaporator (7) from a third passage of the second electromagnetic valve (5) to enter the third electromagnetic valve (8), and flows back to the compressor (1) through the gas return pipe (10) from a second passage of the third electromagnetic valve (8) to complete circulation.
5. The refrigeration defrosting system of a refrigerator according to claim 2, characterized in that: the third mode comprises a compressor (1), a first electromagnetic valve (2), a second evaporator (7), a third electromagnetic valve (8), a second condenser (9), a first evaporator (4), a second electromagnetic valve (5) and a gas return pipe (10), wherein refrigerant in the third mode flows through the first electromagnetic valve (2) from the compressor (1), flows through the second evaporator (7) from a third passage of the first electromagnetic valve (2) to enter the third electromagnetic valve (8), flows through the second condenser (9) and the first evaporator (4) from a first passage of the third electromagnetic valve (8) to enter the second electromagnetic valve (5), and flows back to the compressor (1) from the first passage of the second electromagnetic valve (5) to complete circulation.
6. A refrigerator comprising a cabinet (13) and a refrigerating and defrosting system using the refrigerator as claimed in any one of claims 1 to 5, characterized in that: the box body (13) comprises a first chamber (14) and a second chamber (15), the first evaporator (4) corresponds to the first chamber (14), the second evaporator (7) corresponds to the second chamber (15), a first fan (11) is arranged close to the first evaporator (4), and a second fan (12) is arranged close to the second evaporator (7).
7. The refrigerator according to claim 6, wherein: in the first mode, the first fan (11) and the second fan (12) are turned on, the first evaporator (4) cools the first compartment (14), and the second evaporator (7) cools the second compartment (15).
8. The refrigerator according to claim 6, wherein: and in the second mode, the first fan (11) is turned off, the second fan (12) is turned on, the first evaporator (4) performs defrosting, and the second evaporator (7) performs refrigeration on the second compartment (15).
9. The refrigerator according to claim 6, wherein: in the third mode, the first fan (11) is turned on, the second fan (12) is turned off, the first evaporator (4) cools the first compartment (14), and the second evaporator (7) defrosts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211451621.2A CN115790034A (en) | 2022-11-21 | 2022-11-21 | Refrigerator refrigeration defrosting system and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211451621.2A CN115790034A (en) | 2022-11-21 | 2022-11-21 | Refrigerator refrigeration defrosting system and refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115790034A true CN115790034A (en) | 2023-03-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211451621.2A Pending CN115790034A (en) | 2022-11-21 | 2022-11-21 | Refrigerator refrigeration defrosting system and refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115790034A (en) |
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2022
- 2022-11-21 CN CN202211451621.2A patent/CN115790034A/en active Pending
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