CN115717809B - Energy-saving method, device, electronic device and storage medium for refrigerator - Google Patents
Energy-saving method, device, electronic device and storage medium for refrigerator Download PDFInfo
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- CN115717809B CN115717809B CN202211528431.6A CN202211528431A CN115717809B CN 115717809 B CN115717809 B CN 115717809B CN 202211528431 A CN202211528431 A CN 202211528431A CN 115717809 B CN115717809 B CN 115717809B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The application provides an energy-saving method, an energy-saving device, electronic equipment and a storage medium of a refrigerator, wherein the method comprises the steps of determining a temperature difference between a current environment temperature and a historical environment temperature when the actual temperature of a compartment of the refrigerator reaches the starting point temperature of a compressor; if the temperature difference is in the set temperature interval, the frequency of the compressor is increased to accelerate the speed of the actual temperature of the compartment to be reduced to the stop point temperature, and the running time of the compressor is shortened, and if the temperature difference is in the target temperature interval, the frequency of the compressor is reduced to reduce the running power of the actual temperature of the compartment maintained below the start point temperature, and the start and stop times of the compressor in the refrigerating cycle are reduced. According to the application, the refrigerator can save certain electric quantity in the long-time operation process.
Description
Technical Field
The present application relates to the field of energy saving technologies of refrigerators, and in particular, to an energy saving method and apparatus for a refrigerator, an electronic device, and a storage medium.
Background
With the development of intelligent home, the refrigerator becomes an essential intelligent device, and the power saving of the refrigerator also becomes a great difficulty.
In the prior art, patent number CN202111128422.3 discloses a refrigerator energy-saving control method, a system and a refrigerator, but the method only marks by collecting the running state of the refrigerator in a preset time period and feeds back the running state to a user, so that the user is required to develop a habit of adjusting part of parameters of the refrigerator, and autonomous energy saving cannot be realized. Patent number CN201911351234.X discloses a refrigerator energy-saving control method, a device and a refrigerator, the method can judge that the action condition of the refrigerator load in a period of time comes from the set temperature of a main adjusting compartment and the gear of a compressor, but the temperature of the adjusting compartment can lead the deviation between the actual temperature and the set temperature of a user to be increased, and the food in the refrigerator sensitive to the temperature possibly goes bad.
At present, no good method for realizing the energy conservation of the refrigerator exists.
Disclosure of Invention
The embodiment of the application aims to provide an energy-saving method and device for a refrigerator, electronic equipment and a storage medium, so as to solve the problem of energy saving of the refrigerator. The specific technical scheme is as follows:
in a first aspect, a method for saving energy of a refrigerator, the method comprising:
When the actual temperature of the compartment of the refrigerator reaches the starting point temperature of the compressor, determining a temperature difference value between the current environment temperature and the historical environment temperature;
If the temperature difference value is in a set temperature interval, the frequency of the compressor is increased so as to accelerate the speed of the actual temperature of the compartment to be reduced to the temperature of the stop point, and the running time of the compressor is shortened, wherein the set temperature interval indicates that the current ambient temperature is smaller than the historical ambient temperature, and the temperature of the set temperature interval is lower than the temperature of the middle temperature interval;
if the temperature difference is within the target temperature range, the frequency of the compressor is reduced,
Reducing the number of compressor start-stops during the 5 th period of the refrigeration cycle by reducing the operating power at which the actual temperature of the compartment is maintained below the start-point temperature, wherein the target temperature interval indicates the current ring
The ambient temperature is greater than the historical ambient temperature, and the temperature of the target temperature interval is higher than the temperature of the intermediate temperature interval.
Optionally, the set temperature interval comprises a first temperature interval and a second temperature interval,
If the temperature difference is within the set temperature range, increasing the frequency of the compressor includes 0 controlling the compressor to operate when the temperature difference is within the first temperature range
The frequency corresponding to the front gear is increased to the frequency corresponding to a first preset gear at a first rotating speed change rate, wherein the first preset gear is higher than the current gear;
if the temperature difference is in the second temperature range, the control compressor is controlled to be in the present state
The frequency corresponding to the front gear is increased to the frequency 5 corresponding to the second preset gear at the second rotating speed change rate, wherein the temperature of the second temperature interval is higher than that of the first temperature interval,
The second rotation speed change rate is smaller than the first rotation speed change rate, and the second preset gear is smaller than the first preset gear and larger than the current gear.
Optionally, the target temperature interval includes a third temperature interval and a fourth temperature interval,
If the temperature difference is within the target temperature range, reducing the frequency of the compressor includes 0 controlling the compressor to operate when the temperature difference is within the third temperature range
The frequency corresponding to the front gear is reduced to the frequency corresponding to a third preset gear by a third rotating speed change rate, wherein the third preset gear is lower than the current gear;
If the temperature difference value is in the fourth temperature interval, controlling the compressor to be at the present time
The frequency corresponding to the front gear is reduced to the frequency 5 corresponding to a fourth preset gear by a fourth rotating speed change rate, wherein the temperature of the fourth temperature interval is higher than that of the third temperature interval, the fourth rotating speed change rate is smaller than the third rotating speed change rate, and the fourth preset gear is larger than the third preset gear and lower than the current gear.
Optionally, before controlling the compressor adjustment frequency, the method further comprises:
controlling the compressor to run at a preset rotating speed for a preset time period;
And if the gear change occurs when the operation is carried out at the preset rotating speed, the preset time is rerun at the preset rotating speed.
Optionally, controlling the compressor to operate at the preset rotational speed for a preset period of time includes:
if the temperature difference value is in the third temperature interval, controlling the compressor to operate at a preset rotating speed for a first duration;
And if the temperature difference is in the fourth temperature interval, controlling the compressor to run for a second time period at a preset rotating speed, wherein the second time period is longer than the first time period.
Optionally, after determining the temperature difference between the current ambient temperature and the historical ambient temperature, the method further comprises:
If the temperature difference value is located in the middle temperature interval, determining a current gear and an adjusted target gear when the refrigerator is in gear change;
And when the current frequency corresponding to the current gear is adjusted to the target frequency corresponding to the target gear, reducing the rotating speed change rate of the compressor.
Optionally, determining the temperature difference between the current ambient temperature and the historical ambient temperature includes:
taking the average temperature in a historical period as the historical ambient temperature;
collecting the ambient temperature once every preset time period;
And obtaining the current ambient temperature by taking an average value of the acquired ambient temperature.
In a second aspect, there is provided an energy saving device of a refrigerator, the device comprising:
the determining module is used for determining a temperature difference value between the current environment temperature and the historical environment temperature when the actual temperature of the compartment of the refrigerator reaches the starting point temperature of the compressor;
The increasing module is used for increasing the frequency of the compressor to increase the speed of the actual temperature of the compartment to be reduced to the stop point temperature and shorten the running time of the compressor if the temperature difference value is in a set temperature interval, wherein the set temperature interval indicates that the current environment temperature is less than the historical environment temperature, and the temperature in the set temperature interval is lower than the temperature in the middle temperature interval;
And the reduction module is used for reducing the frequency of the compressor if the temperature difference value is positioned in a target temperature interval so as to reduce the running power of the actual temperature of the compartment below the starting point temperature and reduce the start-stop times of the compressor in the refrigerating period, wherein the target temperature interval indicates that the current environment temperature is higher than the historical environment temperature, and the temperature of the target temperature interval is higher than the temperature of the middle temperature interval.
In a third aspect, an electronic device is provided, including a processor, a communication interface, a memory, and a communication bus, where the processor, the communication interface, and the memory complete communication with each other through the communication bus;
A memory for storing a computer program;
And the processor is used for realizing any energy-saving method step of the refrigerator when executing the program stored in the memory.
In a fourth aspect, a computer readable storage medium is provided, in which a computer program is stored, which computer program, when being executed by a processor, implements the energy saving method steps of any one of the refrigerators.
The embodiment of the application has the beneficial effects that:
The embodiment of the application provides an energy-saving method of a refrigerator, which is characterized in that the frequency of a compressor is finely adjusted according to the regulation and control of the ambient temperature instead of a gear, the frequency is increased to cool more when the external ambient temperature is lower, the temperature of an intermediate room is reduced to the temperature of a stop point at a higher speed, the running time of the compressor is shortened to achieve the purpose of saving electricity, and the frequency is reduced to cool less when the external ambient temperature is higher, so that the temperature of the intermediate room is maintained below the temperature of a start point by the compressor at lower running power, the start and stop times of the compressor in a refrigerating period are reduced, and the purpose of saving electricity is achieved. Compared with the prior art, the application can still play a certain energy-saving role under the condition of not lifting the set temperature of the chamber.
Of course, not all of the above advantages need be achieved simultaneously in the practice of any one product or method of the present application.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic diagram of a hardware environment of an energy saving method of a refrigerator according to an embodiment of the present application;
fig. 2 is a flowchart of a method for saving energy of a refrigerator according to an embodiment of the present application;
Fig. 3 is a schematic structural view of an energy saving device of a refrigerator according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the following description, suffixes such as "module", "component", or "unit" for representing elements are used only for facilitating the description of the present application, and are not of specific significance per se. Thus, "module" and "component" may be used in combination.
In order to solve the problems mentioned in the background art, according to an aspect of the embodiments of the present application, there is provided an embodiment of an energy saving method of a refrigerator.
Alternatively, in the embodiment of the present application, the above-described method for saving energy of a refrigerator may be applied to a hardware environment composed of the refrigerator 101 and the server 103 as shown in fig. 1. As shown in fig. 1, a server 103 is connected to the refrigerator 101 through a network, which may be used to provide services to the refrigerator, and a database 105 may be provided on the server or independent of the server, for providing data storage services to the server 103, where the network includes, but is not limited to, a wide area network, a metropolitan area network, or a local area network.
The embodiment of the application provides an energy-saving method of a refrigerator, which can be applied to the refrigerator and is used for controlling the energy-saving operation of the refrigerator.
The energy saving method of the refrigerator according to the embodiment of the application will be described in detail with reference to the specific embodiments, as shown in fig. 2, and the specific steps are as follows:
and 201, determining a temperature difference between the current environment temperature and the historical environment temperature when the actual temperature of the compartment of the refrigerator reaches the starting point temperature of the compressor.
In the embodiment of the application, the refrigerator acquires the actual temperature of the compartment, and if the actual temperature of the compartment reaches the starting point temperature of the refrigerator, which indicates that the compartment has refrigeration requirements, the temperature difference between the current environment temperature and the historical environment temperature is determined. The temperature difference is located in different temperature ranges, and the subsequent operations are also different, specifically, see steps 202 to 203.
The historical environment temperature is the average temperature in the historical period, and the current environment temperature is the average temperature of the environment temperatures acquired for many times.
Illustratively, 24 hours are divided into 24 hours for one large period, and 60 minutes for one small period. The current ambient temperature value is recorded every minute, the average ambient temperature value Ts of the small period is calculated for one small period, and the average ambient temperature value Ta of the large period is calculated for one large period. The average ambient temperature value Ta is taken as the historical ambient temperature and the temperature value after recording is started. After the refrigerator is powered on, data is automatically recorded, and after a user manually turns on an energy-saving and power-saving switch corresponding to the function and a large period is counted, energy-saving and power-saving measures start to take effect. Sampling 10 times of data of the current real-time environment temperature Tr every 6 minutes, taking the mean value Tm as the current environment temperature after removing the maximum value and the minimum value, and obtaining a temperature difference value by making a difference between the current environment temperature Tm and the historical environment temperature Ta.
If the actual temperature of the compartment does not reach the starting point temperature of the refrigerator, which indicates that the compartment has no refrigeration requirement, the compressor is stopped.
The temperature difference may be located in three temperature intervals, respectively a set temperature interval, an intermediate temperature interval, and a target temperature interval.
Wherein the temperature of the set temperature interval is lower than the temperature of the intermediate temperature interval, and the temperature of the intermediate temperature interval is lower than the temperature of the target temperature interval.
Step 202, if the temperature difference is in the set temperature range, the frequency of the compressor is increased to increase the speed of the actual temperature of the chamber to the stop point temperature and shorten the running time of the compressor.
The set temperature interval indicates that the current ambient temperature is smaller than the historical ambient temperature, and the temperature of the set temperature interval is lower than the temperature of the middle temperature interval.
In the embodiment of the application, if the temperature difference is in the set temperature range, the current ambient temperature is lower than the historical ambient temperature and has larger difference with the historical ambient temperature, and the frequency of the compressor is increased.
The heat exchange between two substances with different temperatures is accompanied by heat radiation, heat convection and heat transfer. Normally, the refrigerator transfers cold energy to room air through the evaporator by the cooperation of the compressor, the evaporator, the condenser and the throttling device, and heat is transferred to the metal outer wall of the refrigerator through the condenser (side cooling and back cooling type evaporator), and then the metal outer wall of the refrigerator is naturally convection with ambient air and is transferred out in a heat radiation mode. Conversely, the external "high temperature" also transfers heat to the interior of the compartment through the foam layer of the refrigerator, causing the temperature in the compartment to rise, relative to the low temperature in the refrigerator. The temperature inside the refrigerator compartment fluctuates up and down around the set temperature because the absolute balance between the cooling rate of the compartment and the temperature rising rate of the refrigerator inside is difficult to achieve.
After the temperature of the compartment is increased to the starting point temperature, the compressor starts to refrigerate, and the temperature of the compartment is pulled down to refrigerate at a speed which is higher than the temperature rising speed. The speed of refrigeration determines the frequency of the up-and-down fluctuation of the temperature inside the compartment, which relates to the problem of the start-up rate of the compressor, and the start-up rate (compressor on time /) of the compressor is relatively low at higher refrigeration speeds.
When the external environment temperature is low, the rotating speed of the compressor is increased, and the aim is to increase the refrigerating capacity of the compressor in unit time. And when the external environment temperature is lower, the temperature difference between the inside of the compartment and the outside is relatively smaller, the temperature pulling is relatively easy, the refrigerator is cooled down rapidly, the actual temperature of the compartment is reduced to the temperature of the stop point at a relatively high speed, and the running time of the compressor is shortened to achieve the purpose of saving electricity.
Therefore, if the temperature difference is in the set temperature range, the temperature difference indicates that the temperature of the external environment of the refrigerator is reduced, the temperature difference between the compartment temperature and the external environment is reduced, and the temperature difference is relatively easy to reduce at the moment, the frequency of the compressor is increased, the refrigerator is cooled rapidly, the actual temperature of the compartment is reduced to the temperature of the stop point at a relatively high speed, and the running time of the compressor is shortened to achieve the purpose of saving electricity and energy.
And 203, if the temperature difference is in the target temperature range, reducing the frequency of the compressor so as to reduce the running power of the actual temperature of the chamber below the starting point temperature and reduce the starting and stopping times of the compressor during the refrigeration cycle.
The target temperature interval indicates that the current ambient temperature is greater than the historical ambient temperature, and the temperature of the target temperature interval is higher than the temperature of the intermediate temperature interval.
When the external environment temperature is higher, the rotating speed of the compressor is reduced, the refrigerating capacity of the compressor in unit time is reduced, the temperature pulling speed of the compartment is taken off, and otherwise, the compressor is frequently started and stopped to cause additional energy loss. In addition, when the external environment temperature is higher, the temperature difference between the inside of the compartment and the outside is relatively larger, and the temperature pulling is relatively difficult, so that the temperature of the inside compartment of the refrigerator is maintained below the starting point temperature for a longer time.
That is, the temperature difference is located in a set temperature interval, which indicates that the temperature difference between the compartment temperature and the external environment increases when the temperature of the external environment increases, and the temperature difference is relatively difficult to reduce when the temperature of the compartment is reduced, so that the frequency of the compressor is reduced, the compartment temperature is maintained below the starting point temperature by the compressor with lower running power, the starting and stopping times of the compressor during the refrigerating cycle are reduced, and the purposes of saving electricity and energy are achieved.
The application finely adjusts the frequency of the compressor instead of the gear according to the regulation and control of the environment temperature, increases the frequency to cool more when the external environment temperature is lower, reduces the room temperature to the stop point temperature at a higher speed, shortens the running time of the compressor to achieve the purpose of saving electricity, and decreases the frequency to cool less when the external environment temperature is higher, so that the room temperature is maintained below the start point temperature by the compressor at lower running power, reduces the start and stop times of the compressor during the refrigerating period, and achieves the purpose of saving electricity. Compared with the prior art, the application can still play a certain energy-saving role under the condition of not lifting the set temperature of the chamber.
As an alternative implementation mode, if the temperature difference value is located in the middle temperature interval, when the refrigerator is in gear change, the current gear and the adjusted target gear are determined, and when the current frequency corresponding to the current gear is adjusted to the target frequency corresponding to the target gear, the rotating speed change rate of the compressor is reduced.
In the embodiment of the application, if the temperature difference value is in the middle temperature interval, which shows that the temperature difference value is smaller, the gear is adjusted according to the normal condition, after the current gear is adjusted to the target gear, the current frequency corresponding to the current gear is different from the target frequency corresponding to the target gear, the rotating speed change rate of the compressor is reduced relative to the prior art, the phenomenon that the operating frequency is unsuitable due to the fact that the frequency difference between the operating gears of the refrigerator is too high is avoided, and the temperature change of the middle temperature can be smoothed.
Illustratively, when Tm is between ta±3 ℃, and an upshift occurs, the compressor approaches the frequency corresponding to the gear at a rate of change of 30 rpm.
As an alternative implementation method, the set temperature interval includes a first temperature interval and a second temperature interval, and if the temperature difference is located in the set temperature interval, increasing the frequency of the compressor includes:
if the temperature difference value is located in the first temperature interval, controlling the compressor to rise from the frequency corresponding to the current gear to the frequency corresponding to the first preset gear at a first rotating speed change rate, wherein the first preset gear is higher than the current gear;
Illustratively, when Tm is below Ta-5 ℃, and the chamber has a cooling demand, the compressor is raised at 60rpm to a frequency corresponding to system determination gear +2.
If the temperature difference is located in the second temperature interval, controlling the compressor to increase from the frequency corresponding to the current gear to the frequency corresponding to the second preset gear at a second rotation speed change rate, wherein the temperature in the second temperature interval is higher than that in the first temperature interval, the second rotation speed change rate is smaller than that of the first rotation speed change rate, and the second preset gear is smaller than that of the first preset gear and larger than that of the current gear.
Illustratively, when Tm is above ta+3 ℃ and not above ta+5 ℃, and the chamber has a cooling demand, the compressor is reduced to a frequency corresponding to system determination gear-2 at a speed of 60 rpm.
When the current ambient temperature is lower than the historical ambient temperature, the frequency of the compressor is reduced along with the increase of the temperature difference value, the gear to be increased is reduced, and the refrigerating performance of the air conditioner can be ensured.
As an alternative implementation method, the target temperature interval includes a third temperature interval and a fourth temperature interval, and if the temperature difference is located in the target temperature interval, reducing the frequency of the compressor includes:
and if the temperature difference is in the third temperature interval, controlling the compressor to reduce the frequency corresponding to the current gear to the frequency corresponding to a third preset gear at a third rotating speed change rate, wherein the third preset gear is lower than the current gear.
When Tm is higher than ta+3 ℃ and not higher than ta+5 ℃, the chamber has a refrigeration demand and the compressor is reduced to the frequency corresponding to system determination gear-2 at a speed of 60 rpm.
If the temperature difference is in a fourth temperature interval, controlling the compressor to reduce the frequency corresponding to the current gear to the frequency corresponding to a fourth preset gear at a fourth rotating speed change rate, wherein the temperature in the fourth temperature interval is higher than that in a third temperature interval, the fourth rotating speed change rate is smaller than that of the third rotating speed change rate, and the fourth preset gear is larger than that of the third preset gear and lower than that of the current gear.
When Tm is higher than ta+5 ℃, the compressor is reduced to the frequency corresponding to system determination gear-1 at a speed of 30rpm when the compartment has a refrigeration demand.
When the current ambient temperature is higher than the historical ambient temperature, the frequency of the compressor is reduced along with the increase of the temperature difference value, the gear to be reduced is increased, and the refrigerating performance of the air conditioner can be ensured.
As an alternative implementation method, before controlling the compressor to adjust the rotating speed, the method further comprises controlling the compressor to operate at the preset rotating speed for a preset time period, and if gear change occurs during operation at the preset rotating speed, re-operating at the rotating speed corresponding to the changed gear for the preset time period.
When the compartment has refrigeration requirement, the air conditioner firstly controls the compressor to operate at a preset rotating speed for a preset time period, so that the frequency is prevented from being changed as soon as the compressor is started, and if gear change occurs when the compressor operates at the preset rotating speed, the air conditioner is operated again at the preset rotating speed for the preset time period.
When a user opens the door for too long, loads heat are filled, the user forgets to close the door, the compressor runs longer and longer, the user opens the air conditioner at home to cause environmental temperature change, and the like, the gear is changed. Because of the above factors, compressor gear re-determination is required to respond preferentially to these gear demands, otherwise refrigeration is compromised and gear changes occur. For example, if the compressor is shifted up by 1 gear for a long time in the 9 th min after the compressor is shifted up by 1 gear for a long time in the 9 th min, the compressor is reset and re-timed for 10min (20 min and 30min later) of the operation position because the gear is high and the refrigerating capacity per unit time is too high and the temperature of the intermediate chamber is quickly reduced to generate excessive refrigeration, which is not beneficial to fine regulation and control of the temperature.
Optionally, controlling the compressor to operate at the preset rotational speed for a preset period of time includes:
and if the temperature difference is in a fourth temperature interval, controlling the compressor to operate for a second time period at the preset rotating speed, wherein the second time period is longer than the first time period.
Illustratively, when Tm is greater than ta+3 ℃ and not greater than ta+5 ℃, the chamber has a demand for cooling, the compressor is first run at the system determination speed for 20 minutes, and the gear change is reckoned. When Tm is higher than Ta+5 ℃, the refrigerating requirement of the compartment exists, the compressor is firstly operated for 30 minutes at the system judging rotating speed, and the timing is restarted when the gear change occurs.
Optionally, the embodiment of the application also provides an energy-saving processing flow of the refrigerator, which comprises the following specific steps.
① When Tm is lower than Ta-5 ℃, and the refrigerating requirement of the chamber is met, the compressor is firstly operated for 10min at the system judging rotating speed, and is re-clocked when the gear change occurs, and then is increased to the frequency corresponding to the system judging gear +2 at the speed of 60rpm (Revolutions Per minute rpm). When the compartment is not in need of refrigeration, the compressor is shut down.
② When Tm is lower than Ta-3 ℃ and not lower than Ta-5 ℃, and when the refrigerating requirement exists in the chamber, the compressor runs for 10 minutes at the system judgment rotating speed, and is re-clocked when the gear change occurs, and then rises to the frequency corresponding to the system judgment gear +1 at the speed of 30 rpm. When the compartment has no refrigeration requirement, the compressor is stopped.
③ When Tm is higher than Ta+3 ℃ and not higher than Ta+5 ℃, and when the refrigerating requirement exists in the chamber, the compressor runs for 20min at the system judgment rotating speed, and is re-clocked when the gear change occurs, and then is reduced to the frequency corresponding to the system judgment gear-2 at the speed of 60 rpm. When the compartment is not in need of refrigeration, the compressor is shut down.
④ When Tm is higher than Ta+5 ℃, the compressor is firstly operated for 30min at the system judging rotating speed when the chamber has refrigerating requirement, is re-timed when gear change occurs, and then is reduced to the frequency corresponding to the system judging gear-1 at the speed of 30 rpm. When the compartment is not in need of refrigeration, the compressor is shut down.
⑤ When Tm is within Ta+/-3 ℃, the compressor gear is controlled according to the normal judgment, and the compressor approaches to the corresponding frequency of the system judgment gear at the change speed of 30rpm when the lifting gear occurs.
Based on the same technical concept, the embodiment of the application also provides an energy-saving device of the energy-saving refrigerator of the refrigerator, as shown in fig. 3, the device comprises:
A determining module 301, configured to determine a temperature difference between a current ambient temperature and a historical ambient temperature when an actual temperature of a compartment of the refrigerator reaches a start point temperature of the compressor;
The increasing module 302 is configured to increase the frequency of the compressor if the temperature difference is in a set temperature interval, so as to increase the speed of the actual temperature of the compartment to decrease to the stop point temperature, and shorten the operation time of the compressor, where the set temperature interval indicates that the current ambient temperature is less than the historical ambient temperature, and the temperature of the set temperature interval is lower than the temperature of the intermediate temperature interval;
a reducing module 303 for reducing the compressor if the temperature difference is within the target temperature range
To reduce the operating power at which the actual temperature of the compartment is maintained below the start point temperature by 5 times the compressor is started and stopped during the refrigeration cycle, wherein the target temperature interval indicates the current ring
The ambient temperature is greater than the historical ambient temperature, and the temperature of the target temperature interval is higher than the temperature of the intermediate temperature interval.
Optionally, the set temperature interval includes a first temperature interval and a second temperature interval, and the increase
The module 302 is configured to:
0, if the temperature difference value is located in a first temperature interval, controlling the frequency corresponding to the current gear of the compressor to rise to the frequency corresponding to a first preset gear at a first rotating speed change rate, wherein the first preset gear is higher than the current gear;
if the temperature difference is in the second temperature interval, controlling the compressor to rise from the frequency corresponding to the current gear to the frequency corresponding to the second preset gear at a second rotation speed change rate, wherein the temperature in the second temperature interval is higher than the temperature in the first temperature interval, and the second rotation speed change rate is smaller than the first rotation speed change rate
The second preset gear is smaller than the first preset gear and larger than the current gear.
Optionally, the target temperature interval includes a third temperature interval and a fourth temperature interval, and the reducing module 303 is configured to:
If the temperature difference is in the third temperature interval, controlling the compressor to reduce the frequency corresponding to the current gear from the 0 frequency corresponding to the current gear to the frequency corresponding to the third preset gear at a third rotation speed change rate, wherein the first rotation speed change rate is equal to the second rotation speed change rate
The third preset gear is lower than the current gear;
If the temperature difference is in the fourth temperature interval, controlling the compressor to reduce the frequency corresponding to the current gear to the frequency corresponding to the fourth preset gear at a fourth rotation speed change rate, wherein the first rotation speed change rate is equal to the second rotation speed change rate
The temperature of the fourth temperature interval is higher than that of the third temperature interval, the fourth rotating speed change rate is smaller than the 5 th rotating speed change rate, and the fourth preset gear is larger than the third preset gear and lower than the current gear.
Optionally, the device is further configured to:
controlling the compressor to run for a preset time period at a preset rotating speed;
If the gear change occurs when the operation is performed at the preset rotating speed, the operation is performed again for a preset time period at the preset rotating speed.
Optionally, the device is further configured to:
If the temperature difference value is in the third temperature interval, controlling the compressor to run for a first duration at a preset rotating speed;
if the temperature difference is in the fourth temperature interval, controlling the compressor to operate at a preset rotating speed for a second time period, wherein the second time period is longer than the first time period.
Optionally, the device is further configured to:
if the temperature difference value is located in the middle temperature interval, determining a current gear and an adjusted target gear when the refrigerator is in gear change;
and when the current frequency corresponding to the current gear is adjusted to the target frequency corresponding to the target gear, reducing the rotating speed change rate of the compressor.
Optionally, the determining module 301:
Taking the average temperature in the historical period as the historical ambient temperature;
collecting the ambient temperature once every preset time period;
and taking an average value of the acquired ambient temperature to obtain the current ambient temperature.
According to another aspect of the embodiments of the present application, as shown in fig. 4, the present application provides an electronic device, including a memory 403, a processor 401, a communication interface 402, and a communication bus 404, where the memory 403 stores a computer program that can be executed on the processor 401, and the memory 403 and the processor 401 communicate with each other through the communication interface 402 and the communication bus 404, and the processor 401 executes the steps of the method.
The memory and the processor in the electronic device communicate with the communication interface through a communication bus. The communication bus may be a peripheral component interconnect standard (PERIPHERAL COMPONENT INTERCONNECT, PCI) bus, or an extended industry standard architecture (Extended Industry Standard Architecture, EISA) bus, or the like. The communication bus may be classified as an address bus, a data bus, a control bus, or the like.
The memory may include random access memory (Random Access Memory, RAM) or may include non-volatile memory (non-volatile memory), such as at least one disk memory. Optionally, the memory may also be at least one memory device located remotely from the aforementioned processor.
The processor may be a general-purpose processor, including a central Processing unit (Central Processing Unit, CPU), a network processor (Network Processor, NP), a digital signal processor (DIGITAL SIGNAL Processing, DSP), an Application Specific Integrated Circuit (ASIC), a Field-Programmable gate array (FPGA) or other Programmable logic device, discrete gate or transistor logic device, or discrete hardware components.
There is also provided in accordance with yet another aspect of an embodiment of the present application a computer readable medium having non-volatile program code executable by a processor.
Optionally, in an embodiment of the present application, a computer readable medium is arranged to store program code for the processor to perform the above method.
Alternatively, specific examples in this embodiment may refer to examples described in the foregoing embodiments, and this embodiment is not described herein.
When the embodiment of the application is specifically implemented, the above embodiments can be referred to, and the application has corresponding technical effects.
It is to be understood that the embodiments described herein may be implemented in hardware, software, firmware, middleware, microcode, or a combination thereof. For a hardware implementation, the Processing units may be implemented within one or more Application SPECIFIC INTEGRATED Circuits (ASICs), digital signal processors (DIGITAL SIGNAL Processing, DSPs), digital signal Processing devices (DSP DEVICE, DSPD), programmable logic devices (Programmable Logic Device, PLDs), field-Programmable gate arrays (Field-Programmable GATE ARRAY, FPGA), general purpose processors, controllers, micro-controllers, microprocessors, other electronic units for performing the functions described herein, or a combination thereof.
For a software implementation, the techniques described herein may be implemented by means of units that perform the functions described herein. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, and for example, the division of the modules is merely a logical function division, and there may be additional divisions when actually implemented, for example, multiple modules or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on such understanding, the technical solution of the embodiments of the present application may be embodied in essence or a part contributing to the prior art or a part of the technical solution, in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in the embodiments of the present application. The storage medium includes various media capable of storing program codes such as a U disk, a mobile hard disk, a ROM, a RAM, a magnetic disk or an optical disk. It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The foregoing is only a specific embodiment of the application to enable those skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A method of saving energy of a refrigerator, the method comprising:
When the actual temperature of the compartment of the refrigerator reaches the starting point temperature of the compressor, determining a temperature difference value between the current environment temperature and the historical environment temperature;
If the temperature difference value is in a set temperature interval, the frequency of the compressor is increased so as to accelerate the speed of the actual temperature of the compartment to be reduced to the temperature of the stop point, and the running time of the compressor is shortened, wherein the set temperature interval indicates that the current ambient temperature is smaller than the historical ambient temperature, and the temperature of the set temperature interval is lower than the temperature of the middle temperature interval;
If the temperature difference is in a target temperature interval, reducing the frequency of the compressor so as to reduce the running power of the actual temperature of the compartment below the starting point temperature and reduce the start-stop times of the compressor in the refrigerating period, wherein the target temperature interval indicates that the current ambient temperature is greater than the historical ambient temperature, and the temperature of the target temperature interval is higher than the temperature of the intermediate temperature interval;
Wherein, the set temperature interval includes a first temperature interval and a second temperature interval, and if the temperature difference is located in the set temperature interval, increasing the frequency of the compressor includes:
if the temperature difference value is located in the first temperature interval, controlling the frequency corresponding to the current gear of the compressor to rise to the frequency corresponding to a first preset gear at a first rotating speed change rate, wherein the first preset gear is higher than the current gear;
If the temperature difference is located in the second temperature interval, controlling the compressor to increase from the frequency corresponding to the current gear to the frequency corresponding to the second preset gear at a second rotation speed change rate, wherein the temperature in the second temperature interval is higher than that in the first temperature interval, the second rotation speed change rate is smaller than that in the first rotation speed change rate, and the second preset gear is smaller than that in the first preset gear and larger than that in the current gear.
2. The method of claim 1, wherein the target temperature interval comprises a third temperature interval and a fourth temperature interval, and wherein reducing the frequency of the compressor if the temperature difference is within the target temperature interval comprises:
If the temperature difference value is located in the third temperature interval, controlling the frequency corresponding to the current gear of the compressor, and reducing the frequency corresponding to a third preset gear with a third rotating speed change rate, wherein the third preset gear is lower than the current gear;
And if the temperature difference value is positioned in the fourth temperature interval, controlling the compressor to reduce the frequency corresponding to the current gear from the frequency corresponding to the current gear to the frequency corresponding to a fourth preset gear at a fourth rotating speed change rate, wherein the temperature in the fourth temperature interval is higher than the temperature in the third temperature interval, the fourth rotating speed change rate is smaller than the third rotating speed change rate, and the fourth preset gear is larger than the third preset gear and lower than the current gear.
3. The method of claim 1 or 2, wherein prior to controlling the compressor adjustment frequency, the method further comprises:
controlling the compressor to run at a preset rotating speed for a preset time period;
And if the gear change occurs when the operation is carried out at the preset rotating speed, the preset time is rerun at the preset rotating speed.
4. The method of claim 3, wherein controlling the compressor to operate at a preset rotational speed for a preset period of time comprises:
if the temperature difference value is in the third temperature interval, controlling the compressor to operate at a preset rotating speed for a first duration;
And if the temperature difference is in the fourth temperature interval, controlling the compressor to run for a second time period at a preset rotating speed, wherein the second time period is longer than the first time period.
5. The method of claim 1, wherein after determining the temperature difference between the current ambient temperature and the historical ambient temperature, the method further comprises:
If the temperature difference value is located in the middle temperature interval, determining a current gear and an adjusted target gear when the refrigerator is in gear change;
And when the current frequency corresponding to the current gear is adjusted to the target frequency corresponding to the target gear, reducing the rotating speed change rate of the compressor.
6. The method of claim 1, further comprising controlling the compressor to stop when the compartment is free of refrigeration demand.
7. The method of claim 1, wherein determining a temperature difference between a current ambient temperature and a historical ambient temperature comprises:
taking the average temperature in a historical period as the historical ambient temperature;
collecting the ambient temperature once every preset time period;
And obtaining the current ambient temperature by taking an average value of the acquired ambient temperature.
8. An energy saving apparatus of a refrigerator, the apparatus comprising:
the determining module is used for determining a temperature difference value between the current environment temperature and the historical environment temperature when the actual temperature of the compartment of the refrigerator reaches the starting point temperature of the compressor;
The increasing module is used for increasing the frequency of the compressor to increase the speed of the actual temperature of the compartment to be reduced to the stop point temperature and shorten the running time of the compressor if the temperature difference value is in a set temperature interval, wherein the set temperature interval indicates that the current environment temperature is less than the historical environment temperature, and the temperature in the set temperature interval is lower than the temperature in the middle temperature interval;
The reduction module is used for reducing the frequency of the compressor if the temperature difference value is in a target temperature interval so as to reduce the running power of the actual temperature of the compartment below the starting point temperature and reduce the start and stop times of the compressor in the refrigerating period, wherein the target temperature interval indicates that the current environment temperature is greater than the historical environment temperature, and the temperature of the target temperature interval is higher than the temperature of the middle temperature interval;
The set temperature interval comprises a first temperature interval and a second temperature interval, and if the temperature difference is located in the set temperature interval, the improvement module is used for:
if the temperature difference value is located in the first temperature interval, controlling the frequency corresponding to the current gear of the compressor to rise to the frequency corresponding to a first preset gear at a first rotating speed change rate, wherein the first preset gear is higher than the current gear;
If the temperature difference is located in the second temperature interval, controlling the compressor to increase from the frequency corresponding to the current gear to the frequency corresponding to the second preset gear at a second rotation speed change rate, wherein the temperature in the second temperature interval is higher than that in the first temperature interval, the second rotation speed change rate is smaller than that in the first rotation speed change rate, and the second preset gear is smaller than that in the first preset gear and larger than that in the current gear.
9. The electronic equipment is characterized by comprising a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory are communicated with each other through the communication bus;
A memory for storing a computer program;
a processor for carrying out the method steps of any one of claims 1-7 when executing a program stored on a memory.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored therein a computer program which, when executed by a processor, implements the method steps of any of claims 1-7.
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| CN106403487B (en) * | 2016-09-01 | 2020-08-28 | 合肥华凌股份有限公司 | Energy-saving control method and device for refrigerator and refrigerator |
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