CN113137799A

CN113137799A - Control method for heat dissipation of refrigerator condenser and refrigerator

Info

Publication number: CN113137799A
Application number: CN202110573282.4A
Authority: CN
Inventors: 舒宏; 张咏; 张威; 宋有兵
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-07-20
Anticipated expiration: 2041-05-25
Also published as: CN113137799B

Abstract

The invention discloses a refrigerator and a control method for heat dissipation of a condenser of the refrigerator. A water box is arranged in the refrigerator, and the control method comprises the following steps: collecting the temperature T3 of a condenser and the water level value of the water box; and selecting an air cooling mode and/or a water cooling mode to cool the condenser according to the condenser temperature T3 and the water level value of the water box. The refrigerator can adopt a defrosting water (water cooling) and fan dual heat dissipation mode, so that the heat dissipation effect of the condenser is improved; the defrosting water is recycled, so that the problem of conventional refrigerator defrosting water treatment is solved; the double heat dissipation modes of defrosting water and a fan are adopted, so that the noise of the refrigerator is reduced, the use comfort of a user of the refrigerator is improved, and the product competitiveness is improved; and a defrosting water heat dissipation mode is adopted, so that the power consumption of the refrigerator is reduced, and the energy efficiency of the refrigerator is improved.

Description

Control method for heat dissipation of refrigerator condenser and refrigerator

Technical Field

The invention relates to the technical field of refrigerators, in particular to a control method for heat dissipation of a refrigerator condenser and a refrigerator.

Background

The heat dissipation of present conventional refrigerator adopts built-in condenser attached on refrigerator curb plate and backplate, some refrigerator condensers are put in the compressor storehouse in addition, adopt the fan heat dissipation, the fan heat dissipation can improve the power consumption of refrigerator, and increase the noise of refrigerator, this proposal adopts novel radiating mode, use refrigerator defrosting water to carry out the condenser heat dissipation, and use defrosting water according to different refrigerator characteristics, the dual cooling mode of fan, the radiating efficiency is improved, reduce the refrigerator noise, reduce the power consumption of refrigerator, the efficiency of refrigerator is improved.

Disclosure of Invention

In view of the above, the invention discloses a control method for heat dissipation of a refrigerator condenser and a refrigerator, which are used for at least solving the problem of high energy consumption in the cooling process of the existing refrigerator.

In order to achieve the above object, the invention adopts the following technical scheme:

the invention discloses a control method for heat dissipation of a condenser of a refrigerator, wherein a water box is arranged in the refrigerator, and the control method comprises the following steps:

collecting the temperature T3 of a condenser and the water level value of the water box;

and selecting an air cooling mode and/or a water cooling mode to cool the condenser according to the condenser temperature T3 and the water level value of the water box.

Further optionally, the control method further includes:

collecting defrosting water of the refrigerator during defrosting of the refrigerator and storing the defrosting water in the water box;

when the water-cooling mode is executed, the defrosting water in the water box is recycled to cool the condenser.

Further optionally, the step of selecting an air-cooling mode and/or a water-cooling mode to cool the condenser according to the condenser temperature T3 and the water level value of the water box includes:

comparing the condenser temperature T3 with a fifth preset temperature T5;

when the condenser temperature T3 is higher than the fifth preset temperature T5, determining whether the condenser temperature T3 is less than or equal to a sixth preset temperature T6, if not, executing an air cooling mode, wherein the sixth preset temperature T6 is higher than the fifth preset temperature T5; if the temperature is judged to be positive, selecting an air cooling mode and/or a water cooling mode by combining the temperature T3 of the condenser and the water level value of the water box;

and when the condenser temperature T3 is judged to be less than or equal to the fifth preset temperature T5, naturally cooling the condenser of the refrigerator.

Further optionally, the selecting an air-cooling mode and/or a water-cooling mode in combination with the condenser temperature T3 and the water level value of the water box comprises:

comparing the water level value of the water box with a preset lowest water level value;

executing the water-cooling mode when the water level value of the water box is higher than a preset lowest water level value; and executing the air cooling mode when the water level value of the water box is lower than the lowest water level value.

Further optionally, the water box comprises: a first water box positioned above the condenser and a second water box positioned below the condenser and communicated with the first water box,

the first water box is used for storing cooling water for cooling the condenser;

the second water box is used for recovering and storing cooling water after the condenser is cooled;

wherein the selecting of the air-cooling mode and/or the water-cooling mode in combination with the condenser temperature T3 and the water level value of the water box comprises:

judging whether the water level L1 of the first water box is greater than or equal to a first preset minimum water level L3, and executing the water-cooling mode when the water level L1 of the first water box is greater than or equal to the first preset minimum water level L3;

when the water level L1 of the first water box is less than the first preset minimum water level L3 and the water level L2 of the second water box is greater than or equal to a second preset minimum water level L4, supplementing the defrosting water in the second water box into the first water box until the water level L1 of the first water box is supplemented to be greater than or equal to a third preset minimum water level L5, and then executing the water-cooling mode; when the water level L1 of the first water box is less than the first preset minimum water level L3 and the water level L2 of the second water box is less than a second preset minimum water level L4, executing the air-cooling mode;

wherein the third preset minimum water level L5 is equal to or greater than the first preset minimum water level L3.

Further optionally, during the execution of the water-cooling mode, comparing the condenser temperature T3 with a seventh preset temperature T7;

when the condenser temperature T3 is greater than or equal to the seventh preset temperature, executing the air-cooling mode for auxiliary cooling, and when the condenser temperature T3 is less than an eighth preset temperature T8, exiting the water-cooling mode and the air-cooling mode simultaneously, wherein the seventh preset temperature T7 is greater than the sixth preset temperature T6, and the eighth preset temperature T8 is less than the fifth preset temperature T5; and on the contrary, the water-cooling mode is continuously maintained until the condenser temperature T3 is less than or equal to a ninth preset temperature T9, and then the water-cooling mode is exited, wherein the ninth preset temperature T9 is less than the fifth preset temperature T5.

Further optionally, the eighth preset temperature T8 is higher than the ninth preset temperature T9.

Further optionally, when the air-cooling mode is executed, when the condenser temperature T3 is less than or equal to an eighth preset temperature, the air-cooling mode is exited.

A second aspect of the invention discloses a refrigerator comprising a controller configured to implement any of the control methods described above.

Further optionally, the refrigerator further comprises:

a water box, the water box comprising: the condenser comprises a first water box positioned above the condenser and a second water box positioned below the condenser and communicated with the first water box, wherein the first water box is used for storing cooling water for cooling the condenser; the second water box is used for recovering and storing cooling water after the condenser is cooled;

the water pump is used for pumping the defrosting water in the second water box into the first water box;

a water level gauge assembly for measuring a water level L1 in the first water box and a water level L2 in the second water box;

a condenser;

the condensing fan is used for air cooling the condenser;

and the condenser thermal bulb is used for measuring the temperature of the condenser.

Has the advantages that: according to the invention, the defrosting water and the condensing fan in the water box are used for realizing a dual heat dissipation mode, the defrosting water is recycled, the problem of defrosting water treatment is solved, the heat dissipation effect of the condenser is improved, the reliability of the refrigerator is improved, and the refrigeration effect of the refrigerator is optimized; the defrosting water heat dissipation mode is adopted, so that the noise of a fan is reduced, the noise of the whole refrigerator is reduced, the use comfort of users is improved, and the product competitiveness is improved; the defrosting water heat dissipation mode is adopted, so that the energy consumption of a fan of the refrigerator is reduced, the power consumption of the refrigerator is reduced, the energy efficiency of the refrigerator is improved, and the product competitiveness is increased.

Drawings

The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are merely exemplary embodiments of the present disclosure, and other drawings may be derived by those skilled in the art without inventive effort.

FIG. 1 illustrates a control flow diagram of an embodiment;

fig. 2 shows a structural schematic diagram of a refrigerator according to an embodiment.

In the figure: 1. a first water box; 2. a second water box; 3. a condensing fan; 4. a condenser; 5. a condenser temperature sensing bulb; a1, valve; c1, water pump.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and "a" and "an" generally include at least two, but do not exclude at least one, unless the context clearly dictates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

The existing refrigerator has the problems of poor condenser heat dissipation effect, high energy consumption and the like. According to the invention, the defrosting water of the refrigerator is collected, the defrosting water is circulated to dissipate heat of the condenser of the refrigerator, the fan is used for assisting in heat dissipation, and through double heat dissipation, the heat dissipation effect of the condenser of the refrigerator is improved, the refrigerating capacity of the refrigerator is improved, and the heat dissipation method of the condenser is optimized, so that the power consumption of the refrigerator is reduced, the energy efficiency of the refrigerator is improved, the noise of the refrigerator is reduced, and the use comfort of the refrigerator is improved.

To further illustrate the technical solution of the present invention, the following specific examples are provided as shown in fig. 1-2.

Example 1

In this embodiment, a control method for heat dissipation of a condenser of a refrigerator is provided, in which a water box is disposed in the refrigerator, and the collected defrosting water or other water added in advance is stored in the water box and is used when the refrigerator performs water cooling heat dissipation. The control method comprises the following steps: collecting the temperature T3 of the condenser and the water level value of the water box; and then selecting an air cooling mode and/or a water cooling mode to cool the condenser according to the temperature T3 of the condenser and the water level value of the water box.

Preferably, the control method further includes: the defrosting water of the refrigerator is collected and stored in the water box during defrosting of the refrigerator, so that the problem of treatment of the defrosting water during defrosting of the refrigerator can be solved, and the water consumption for cooling the condenser is also saved. Furthermore, when the water-cooling mode is executed, the defrosting water in the water box is recycled to cool the condenser, so that the defrosting water is fully utilized, and a water source is saved.

In some optional ways, selecting the air-cooling mode and/or the water-cooling mode according to the condenser temperature T3 and the water level value of the water box to cool the condenser comprises:

comparing the condenser temperature T3 with a fifth preset temperature T5:

when the condenser temperature T3 is higher than a fifth preset temperature T5, judging whether the condenser temperature T3 is less than or equal to a sixth preset temperature T6, if not, executing an air cooling mode, wherein the sixth preset temperature T6 is higher than a fifth preset temperature T5; if the temperature value is judged to be yes, then an air cooling mode and/or a water cooling mode is selected by combining the condenser temperature T3 and the water level value of the water box, namely: judging and selecting a water-cooling mode and/or an air-cooling mode according to the comparison of the water quantity in the water box and the temperature of the condenser, or judging and selecting the water-cooling mode and/or the air-cooling mode only according to the water quantity in the water box;

and when the temperature T3 of the condenser is judged to be less than or equal to the fifth preset temperature T5, the condenser of the refrigerator is naturally cooled by air. The natural air cooling is the normal operation work of the refrigerator, namely: the air cooling mode and the water cooling mode are not executed. Preferably: t5 setting the range value at 35-45 ℃; t6 set the range values to 45 ℃ -55 ℃.

Preferably, when there is one water box, the water cooling mode and/or the air cooling mode can be determined and selected only by the amount of water in the water box, and the method includes: comparing the water level value of the water box with a preset lowest water level value; executing a water cooling mode when the water level value of the water box is higher than a preset lowest water level value; and executing an air cooling mode when the water level value of the water box is lower than the lowest water level value. When the air-cooling mode is executed, the air-cooling mode can be exited when the condenser temperature T3 is less than or equal to the tenth preset temperature T10. The set range of T10 is 30 ℃ to 40 ℃.

In another mode, when the number of the water boxes is two, the defrosting water can be recycled. This water box includes this moment: a first water box 1 positioned above the condenser and a second water box 2 positioned below the condenser and communicated with the first water box 1. The first water box 1 is used for storing cooling water for cooling the condenser; the second water box 2 is used for recovering and storing cooling water after the cooling of the condenser is completed. At this time, the judging and selecting the water-cooling mode and/or the air-cooling mode according to the comparison of the water quantity in the water box and the temperature of the condenser comprises the following steps:

judging whether the water level L1 of the first water box is greater than or equal to a first preset minimum water level L3, and executing a water-cooling mode when the water level L1 of the first water box is greater than or equal to a first preset minimum water level L3;

when the water level L1 of the first water box is less than a first preset minimum water level L3 and the water level L2 of the second water box is greater than or equal to a second preset minimum water level L4, supplementing the defrosting water in the second water box into the first water box until the water level L1 of the first water box is supplemented to be greater than or equal to a third preset minimum water level L5, and then executing a water-cooling mode; when the water level L1 of the first water box is less than the first preset minimum water level L3 and the water level L2 of the second water box is less than the second preset minimum water level L4, executing an air-cooling mode; wherein the third predetermined minimum water level L5 is equal to or greater than the first predetermined minimum water level L3. Preferably: l3 is set to range from 7cm to 10 cm; l4 is set to be 5-8 cm; the range value of L5 is set to be 9cm-12cm, and the water level is further ensured to be sufficient.

In this embodiment, further optionally, during the execution of the water-cooling temperature-reducing mode, the condenser temperature T3 is compared with the seventh preset temperature T7. When the condenser temperature T3 is greater than or equal to a seventh preset temperature, executing an air-cooling mode for auxiliary cooling, and when the condenser temperature T3 is less than an eighth preset temperature T8, exiting the water-cooling mode and the air-cooling mode simultaneously, wherein the seventh preset temperature T7 is greater than the sixth preset temperature T6, and the eighth preset temperature T8 is less than a fifth preset temperature T5; otherwise, the water-cooling mode is continuously maintained until the condenser temperature T3 is less than or equal to the ninth preset temperature T9, and then the water-cooling mode is exited, wherein the ninth preset temperature T9 is less than the fifth preset temperature T5. Preferably: t7 setting the range value at 60-70 ℃; t8 setting the range value at 32-43 ℃; the T9 is set to a range of values from 32 ℃ to 43 ℃.

Further, the eighth preset temperature T8 may be set to be higher than the ninth preset temperature T9. Because the condenser is in a high-temperature state (T5 is not less than T3 is not less than T6), the cooling of the condenser is realized by the water cooling and air cooling, and the water cooling delay effect is realized, so that the condenser can be further cooled after the water spraying and cooling are stopped, and the condenser cannot be further cooled under the condition of only adopting the air cooling, so that the eighth preset temperature T8 is higher than the ninth preset temperature T9.

In the embodiment, the condenser is in a high temperature state (T5 ≦ T3 ≦ T6), and after the comparison and determination based on the water level value, if the air-cooled cooling mode is directly executed, the air-cooled cooling mode may be exited when the condenser temperature T3 is less than or equal to the eighth preset temperature T8.

The above applies to both one and two water box cases.

Example 2

In the present embodiment, there is provided a refrigerator including a controller configured to implement the control method of any one of embodiments 1. In addition, the refrigerator further includes: a water box, the water box comprising: the condenser comprises a first water box 1 positioned above the condenser and a second water box 2 positioned below the condenser and communicated with the first water box 1, wherein the first water box 1 is used for storing cooling water for cooling the condenser; the second water box 2 is used for recovering and storing cooling water after the condenser is cooled; the water pump is used for pumping the defrosting water in the second water box 2 to the first water box 1; a water level gauge assembly for measuring a water level L1 in the first water box and a water level L2 in the second water box; a condenser 4; the condensing fan 3 is used for air cooling the condenser; and the condenser thermal bulb 5 is used for measuring the temperature of the condenser.

This refrigerator is through the temperature to the condenser, the water level of first water box 1, the water level of second water box 2, record, the condenser temperature according to the difference selects the defrosting water radiating mode, the air-cooled radiating mode, use defrosting water heat dissipation and condensation fan heat dissipation combination mode, the natural heat dissipation mode, select optimum mode according to condenser temperature sensing package temperature condition, strengthen the refrigerator radiating effect, improve the refrigerating output of refrigerator, reduce the refrigerator noise, it uses the travelling comfort to improve the user, reduce the power consumption of refrigerator, improve the efficiency of refrigerator, and optimize the defrosting water treatment mode, improve product competitiveness.

When the refrigerator defrosts, the defrosted water of the refrigerator is stored in the upper water box firstly, according to the conditions, when the condenser needs the defrosted water to dissipate heat, the valve a1 is opened, the defrosted water naturally sprays on the condenser, the temperature of the condenser is reduced, meanwhile, the defrosted water can evaporate a part and simultaneously achieves the effect of the defrosted water, the defrosted water is received and stored by the lower water box after being sprayed, according to the flow chart, when the water level of the upper water box is lower than L4, the water level of the lower water box is higher than L3, the water pump c1 is opened, and the water of the second water box is sent to the first water box for recycling.

As shown in fig. 1, the control flow of the refrigerator is as follows:

1. the unit starts to refrigerate, the water level L1 of the first water box and the water level L2 of the second water box are recorded, and the temperature T3 of the condenser is measured by a condenser thermal bulb.

2. Judging whether the temperature T3 of the condenser is less than or equal to T5, if so, running the unit in normal logic, and enabling the condenser to work normally; if not, go to step 3.

3. Judging whether the temperature T3 of the condenser is less than or equal to T6, if yes, entering the step 5; if not, go to step 4.

4. The condensing fan b1 operates, whether the temperature T3 of the condenser is equal to or less than T10 is judged, if yes, the condensing fan b1 is turned off, and the step 2 is returned; if not, returning to the step 3.

5. When the water level L1 of the first water box is more than or equal to L3, entering the step 6; when the water level L1 is not equal to or greater than L3, the process proceeds to step 7.

6. The valve a1 is opened, the defrosting water heat dissipation is started, the temperature T3 of the condenser is recorded, and the process goes to step 11.

7. Judging whether the water level L2 of the second water box is more than or equal to L4, if L2 is more than or equal to L4, opening the water pump c1, and entering step 8; if L2 is not equal to or greater than L4, the process proceeds to step 10.

8. The water pump c1 is turned on, and then the process goes to step 9.

9. And (4) judging whether the water level L1 is larger than or equal to L5, if so, opening a valve a1, recording the temperature T3 of the condenser, and entering the step 11. If not, return to step 7.

10. The condensing fan d1 is turned on, whether the temperature T3 of the condenser is more than or equal to T8 is judged, if the temperature T3 is more than or equal to T8, the condensing fan d1 is turned off, and the unit runs normal logic; if T3 is not more than T8, the condensing fan d1 is kept on until T3 is not more than T8, and then the condensing fan d1 is turned off.

11. Judging whether the temperature T3 of the condenser is more than or equal to T7, if T3 is more than or equal to T7, turning on a condensing fan b1, and entering step 13; if T3 ≧ T7 is false, proceed to step 12.

12. Judging whether the temperature T3 of the condenser is equal to or less than T9, if T3 is equal to or less than T9, closing the normal logic of unit operation by a valve a 1; if T3 is not more than T9, the valve a1 is kept, the temperature T3 of the condenser is recorded until T3 is not more than T9, then the valve a1 is closed, and the unit operates in normal logic.

13. And (5) opening the condensing fan b1, and judging whether the temperature T3 of the condenser is less than or equal to T8. If T3 is not more than T8, the condensing fan d1 is closed, and the valve a1 closes the normal operation logic of the unit; if T3 is not more than or equal to T8, the condensing fan b1 and the valve a1 are kept open until T3 is not more than or equal to T8, then the condensing fan d1 is closed, and the valve a1 closes the normal operation logic of the unit.

The improved refrigerator solves the problem of poor heat dissipation effect of the conventional condenser. The refrigerator can adopt a defrosting water and fan dual heat dissipation mode, so that the heat dissipation effect of the condenser is improved; the defrosting water is recycled, so that the problem of conventional refrigerator defrosting water treatment is solved; the double heat dissipation modes of defrosting water and a fan are adopted, so that the noise of the refrigerator is reduced, the use comfort of a user of the refrigerator is improved, and the product competitiveness is improved; and a defrosting water heat dissipation mode is adopted, so that the power consumption of the refrigerator is reduced, and the energy efficiency of the refrigerator is improved.

Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. A control method for heat dissipation of a condenser of a refrigerator, wherein a water box is arranged in the refrigerator, is characterized by comprising the following steps:

2. The control method for heat radiation of a condenser of a refrigerator according to claim 1, further comprising:

3. The method for controlling heat dissipation of the condenser of the refrigerator as claimed in claim 1 or 2, wherein the step of selecting the air-cooling mode and/or the water-cooling mode to cool the condenser according to the condenser temperature T3 and the water level value of the water box comprises the steps of:

comparing the condenser temperature T3 with a fifth preset temperature T5;

when the condenser temperature T3 is higher than the fifth preset temperature T5, judging whether the condenser temperature T3 is less than or equal to a sixth preset temperature T6, and if not, executing an air cooling mode; if the temperature is judged to be positive, selecting an air cooling mode and/or a water cooling mode by combining the temperature T3 of the condenser and the water level value of the water box;

when the condenser temperature T3 is judged to be less than or equal to the fifth preset temperature T5, naturally cooling the condenser of the refrigerator;

wherein the sixth preset temperature T6 is greater than the fifth preset temperature T5.

4. The method for controlling heat dissipation of a condenser of a refrigerator as claimed in claim 3, wherein the selecting the air-cooling mode and/or the water-cooling mode in combination with the condenser temperature T3 and the water level value of the water box comprises:

5. The control method for heat radiation of condenser of refrigerator as claimed in claim 3, wherein the water tank comprises: a first water box positioned above the condenser and a second water box positioned below the condenser and communicated with the first water box,

6. The method as claimed in claim 5, wherein during the water cooling down mode, the condenser temperature T3 is compared with a seventh preset temperature T7;

7. The method as claimed in claim 6, wherein the eighth preset temperature T8 is higher than the ninth preset temperature T9.

8. The method for controlling the heat dissipation of the condenser of the refrigerator as claimed in any one of claims 1 to 5, wherein when the condenser temperature T3 is less than or equal to an eighth preset temperature while the air-cooling mode is being executed, the air-cooling mode is exited.

9. A refrigerator characterized in that it comprises a controller configured to implement the control method of any one of claims 1 to 8.

10. The refrigerator according to claim 9, further comprising:

a condenser;

the condensing fan is used for air cooling the condenser;