CN111238121A - Refrigeration equipment and defrosting control method and device thereof - Google Patents
Refrigeration equipment and defrosting control method and device thereof Download PDFInfo
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- CN111238121A CN111238121A CN202010057698.6A CN202010057698A CN111238121A CN 111238121 A CN111238121 A CN 111238121A CN 202010057698 A CN202010057698 A CN 202010057698A CN 111238121 A CN111238121 A CN 111238121A
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- defrosting
- refrigeration equipment
- refrigeration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/002—Defroster control
- F25D21/006—Defroster control with electronic control circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
Abstract
The application relates to a refrigeration device and a defrosting control method and device thereof, wherein a first preset time period is used as a period in the operation process, whether the refrigeration device is frequently used by a user is periodically detected, and when the refrigeration device is not frequently used, the defrosting mode of the refrigeration device is changed, the time interval of each defrosting operation is gradually increased, and the energy consumption of the refrigeration device is effectively reduced. Meanwhile, the defrosting control can be carried out at preset defrosting intervals under the condition that the refrigerating equipment is frequently used by a user, so that the refrigerating equipment can be completely defrosted. Through the scheme, the refrigeration equipment can ensure complete defrosting and has lower electric energy loss under the condition that a user uses less refrigeration equipment, and compared with the traditional defrosting mode, the refrigeration equipment has stronger defrosting reliability.
Description
Technical Field
The application relates to the technical field of refrigeration, in particular to refrigeration equipment and a defrosting control method and device thereof.
Background
With the rapid development of scientific technology, refrigeration equipment represented by a refrigerator is more and more widely used in daily life of people, and great convenience is provided for food fresh-keeping and storage. The refrigerator is often low in internal temperature during use, and water vapor in internal gas is easily condensed into frost to be attached to the inner surface of the refrigerator. Therefore, in order to avoid the influence of excessive frost formation in the refrigerator on the normal operation of the refrigerator, the refrigerator is usually subjected to defrosting treatment in real time through a corresponding defrosting system.
However, as the pace and quality of life of people increase, the frequency of use of refrigerators decreases as people go out or work busy. When the refrigerator is used less, the refrigerator door is not opened for a long time, water vapor in the refrigerator is less, and much frost is reduced. The traditional defrosting mode carries out once defrosting treatment at fixed time intervals, and under the condition that the refrigerator frosts less, the mode easily causes unnecessary electric energy loss and has the defect of poor defrosting reliability.
Disclosure of Invention
Therefore, it is necessary to provide a refrigeration apparatus, a defrosting control method and a defrosting control device thereof, aiming at the problem of poor defrosting reliability of the conventional refrigerator defrosting method.
A defrosting control method of a refrigeration device comprises the following steps: periodically detecting whether the refrigeration equipment is frequently used in a corresponding period by taking a first preset time as a period; when the refrigeration equipment is detected not to be frequently used, gradually increasing a defrosting interval on the basis of a preset defrosting interval to carry out defrosting control on the refrigeration equipment; when the refrigeration equipment is detected to be frequently used, defrosting control is carried out on the refrigeration equipment at the preset defrosting interval.
In one embodiment, the step of gradually increasing the defrosting interval on the basis of a preset defrosting interval to perform defrosting control on the refrigeration equipment comprises the following steps: and along with the increase of the defrosting times, gradually increasing the defrosting interval by a second preset time length on the basis of the preset defrosting interval to carry out defrosting control on the refrigeration equipment until the defrosting interval reaches the preset maximum defrosting interval.
In one embodiment, as the defrosting times increase, gradually increasing the defrosting interval by a second preset time length on the basis of a preset defrosting interval until the defrosting interval reaches a preset maximum defrosting interval includes: t is t1＝t0+n*t2Wherein, t1Interval for defrosting, t0A preset defrosting interval, n is the defrosting times, t2And the second preset time length represents multiplication.
In one embodiment, when it is detected that the refrigeration equipment is not frequently used, the method further comprises: and controlling the compressor of the refrigeration equipment to run at a reduced speed on the basis of the initial speed.
In one embodiment, when the frequent use of the refrigeration equipment is detected, the method further comprises the following steps: controlling the compressor to operate at the initial rotation speed.
In one embodiment, before the step of periodically detecting whether the refrigeration equipment is frequently used in the corresponding period with the first preset time period as the period, the method further includes: detecting whether a user has a functional requirement on the refrigeration equipment; if not, the first preset time is used as a period, and whether the refrigeration equipment is frequently used in the corresponding period is periodically detected.
In one embodiment, after the step of detecting whether the user has a functional requirement for the refrigeration equipment, the method further includes: and if so, controlling the refrigeration equipment to operate according to the corresponding functional requirements.
In one embodiment, the step of periodically detecting whether the refrigeration equipment is frequently used in the corresponding period with the first preset time period as the period includes: periodically acquiring the door opening times and the door opening time information of the refrigeration equipment by taking a first preset time length as a period; and judging whether the refrigeration equipment is frequently used or not according to the door opening times and/or the door opening time.
A defrosting control device of a refrigerating apparatus, comprising: the usage detection module is used for periodically detecting whether the refrigeration equipment is frequently used in a corresponding period by taking a first preset time as the period; the first defrosting control module is used for gradually increasing defrosting intervals on the basis of preset defrosting intervals to carry out defrosting control on the refrigeration equipment when the refrigeration equipment is detected not to be frequently used; and the second defrosting control module is used for carrying out defrosting control on the refrigeration equipment at the preset defrosting interval when the refrigeration equipment is detected to be frequently used.
The refrigeration equipment comprises a defrosting controller, a defrosting device and a compressor, wherein the defrosting controller is connected with the defrosting device and the compressor, and the defrosting controller is used for controlling the defrosting device to carry out defrosting treatment on the refrigeration equipment according to the method.
In one embodiment, the refrigeration appliance is a refrigerator.
According to the refrigeration equipment and the defrosting control method and device thereof, the first preset time length is taken as a period in the operation process, whether the refrigeration equipment is frequently used by a user is periodically detected, and when the refrigeration equipment is detected not to be frequently used, the defrosting mode of the refrigeration equipment is changed, the time length of the interval of each defrosting operation is gradually increased, and the energy consumption of the refrigeration equipment is effectively reduced. Meanwhile, the defrosting control can be carried out at preset defrosting intervals under the condition that the refrigerating equipment is frequently used by a user, so that the refrigerating equipment can be completely defrosted. Through the scheme, the refrigeration equipment can ensure complete defrosting and has lower electric energy loss under the condition that a user uses less refrigeration equipment, and compared with the traditional defrosting mode, the refrigeration equipment has stronger defrosting reliability.
Drawings
FIG. 1 is a schematic flow chart illustrating a defrosting control method of a refrigeration apparatus according to an embodiment;
FIG. 2 is a schematic flow chart of a defrosting control method of a refrigeration device in another embodiment;
FIG. 3 is a schematic flow chart of a defrosting control method of a refrigeration device in yet another embodiment;
FIG. 4 is a schematic structural diagram of a defrosting control device of a refrigeration apparatus according to an embodiment;
FIG. 5 is a schematic structural diagram of a defrosting control device of a refrigeration device in another embodiment;
fig. 6 is a schematic structural diagram of a refrigeration apparatus in an embodiment.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are illustrated in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1, a defrosting control method for a refrigeration apparatus includes steps S300, S400, and S500.
Step S300, with the first preset duration as a period, periodically detecting whether the refrigeration equipment is frequently used in the corresponding period.
Specifically, in the operation process of the refrigeration equipment, because certain water vapor exists in the gas inside the refrigeration equipment, and the temperature inside the refrigeration equipment is generally low, the water vapor inside the refrigeration equipment is easily condensed into frost to be attached to the inside of the refrigeration equipment. In order to avoid this situation, the present embodiment provides a defrosting device for defrosting and a defrosting controller for controlling the operation of the defrosting device in the refrigeration equipment, and the defrosting controller performs a detection operation on whether the refrigeration equipment is frequently used by a user according to the received information, so as to facilitate a corresponding control operation when the refrigeration equipment is frequently used by the user and the refrigeration equipment is not frequently used by the user. In this embodiment, in order to ensure that the defrosting controller can be detected when the user uses the refrigeration equipment, the first preset time is used as a period to periodically detect the service condition of the refrigeration equipment, the defrosting controller detects whether the user frequently uses the refrigeration equipment in the previous period, and the refrigeration equipment in the current period is controlled to perform defrosting operation in a certain mode according to a detection result of whether the user frequently uses the refrigeration equipment in the previous period. Specifically, whether the refrigeration equipment is frequently used or not is analyzed by acquiring detection data in the previous period, and then progressive defrosting is performed on the refrigeration equipment in the current period or defrosting is performed at fixed preset defrosting intervals according to the analysis result. It should be noted that the first preset time period is not exclusive, as long as the usage of the refrigeration equipment by the user can be reasonably indicated.
And step S400, when the fact that the refrigeration equipment is not frequently used is detected, gradually increasing defrosting intervals on the basis of preset defrosting intervals to conduct defrosting control on the refrigeration equipment.
Specifically, when the defrosting controller detects whether the refrigeration equipment is frequently used or not according to the received information, the detection result shows that the refrigeration equipment is not frequently used, namely the content of the vapor in the refrigeration equipment is low, and the quantity of the condensed frost is low. At the moment, the defrosting controller can control the refrigeration equipment to adopt a progressive defrosting mode, and the defrosting interval between every defrosting operation is gradually increased, so that the phenomenon that defrosting is too frequent and unnecessary electric energy is wasted is avoided. The preset defrosting interval is that the defrosting controller controls the defrosting device to defrost at fixed intervals so as to lead the interval time to be long under the condition that the refrigerating equipment is frequently used or the refrigerating equipment is normally used.
And S500, when detecting that the refrigeration equipment is frequently used, carrying out defrosting control on the refrigeration equipment at preset defrosting intervals.
Specifically, when the defrosting controller detects whether the refrigeration equipment is frequently used or not according to the received information, the refrigeration equipment is frequently used by detection, and the refrigeration equipment and the external air can be subjected to gas exchange when the refrigeration equipment is used every time, so that the content of water vapor in the refrigeration equipment is high, and the amount of condensed frost is high. At the moment, the defrosting controller controls the refrigeration equipment to carry out defrosting control on the refrigeration equipment according to the preset defrosting interval so as to ensure that the condensed frost in the refrigeration equipment can be melted and the safe operation of the refrigeration equipment is ensured.
It is understood that, in one embodiment, the first preset duration is T, the first period corresponding to whether the refrigeration device is frequently used is T1, the second period is T2, the third period is T3, and so on. When the defrosting controller detects whether the refrigeration equipment is frequently used or not at the end of the first period T1, whether the refrigeration equipment is frequently used or not is analyzed according to detection data acquired in the first period T1, the detection result indicates that the refrigeration equipment is not frequently used, the defrosting controller controls the defrosting device to carry out progressive defrosting treatment on the refrigeration equipment in the second period T2, and the detection result indicates that the refrigeration equipment is frequently used, so that the defrosting controller controls the defrosting device to carry out defrosting treatment at a fixed preset defrosting interval in the second period T2. And acquiring the detection data in the second period T2 in real time, and analyzing whether the refrigeration equipment is frequently used in the second period T2 while the second period T2 ends. If the refrigeration equipment is not frequently used in the second period T2, the defrosting controller continues to control the defrosting device to perform progressive defrosting treatment on the refrigeration equipment in the third period T3, and at this time, the defrosting interval is increased in combination with the defrosting interval at the end of the second period T2 on the basis of preset defrosting detection. However, if it is detected that the refrigeration apparatus is frequently used within the second period T2, the corresponding progressive defrosting operation is ended, and the defrosting device is controlled to perform the defrosting process on the refrigeration apparatus at a fixed preset defrosting interval.
It should be noted that the detecting of frequent use of the refrigeration equipment may be after the defrosting controller detects that the refrigeration equipment is not frequently used and performs progressive defrosting on the refrigeration equipment, and at this time, if the frequent use of the refrigeration equipment is detected, the refrigeration controller immediately stops the progressive defrosting control and controls the defrosting device to perform periodic defrosting on the refrigeration equipment at preset defrosting intervals. The frequent use of the refrigeration equipment can be detected by taking a first preset time as a period for the first time, and after the frequent use of the refrigeration equipment is periodically detected, the defrosting controller only needs to directly control the defrosting device to carry out defrosting treatment on the refrigeration equipment at preset defrosting intervals.
In one embodiment, the step of gradually increasing the defrosting interval on the basis of the preset defrosting interval to perform defrosting control on the refrigeration equipment comprises the following steps: and along with the increase of the defrosting times, gradually increasing the defrosting interval by a second preset time length on the basis of the preset defrosting interval to carry out defrosting control on the refrigeration equipment until the defrosting interval reaches the preset maximum defrosting interval.
Specifically, in this embodiment, when it is detected that the refrigeration apparatus is not frequently used, the defrosting controller gradually increases the defrosting interval by a second preset duration with a fixed size until the defrosting interval reaches the preset maximum defrosting interval, and then controls the defrosting device to perform the defrosting operation at the maximum defrosting interval. In one embodiment, the progressive defrosting is increased in such a way that each time the defrosting times are increased, the corresponding defrosting interval is increased by a second preset time length on the basis of the last time. It is understood that, in other embodiments, each time the defrosting time is increased twice or more, the corresponding defrosting interval may be increased by the second preset time length on the basis of the previous defrosting interval. Or the defrosting interval is increased in different ranges by controlling different sizes of the second preset time, and the aim of saving electric energy while meeting the defrosting requirement can be fulfilled.
In one embodiment, as the defrosting times increase, gradually increasing the defrosting interval by a second preset time length on the basis of the preset defrosting interval to perform defrosting control on the refrigeration equipment until the defrosting interval reaches the preset maximum defrosting interval comprises: t is t1＝t0+n*t2Wherein, t1Interval for defrosting, t0A preset defrosting interval, n is the defrosting times, t2And the second preset time length represents multiplication.
Specifically, in the present embodiment, the progressive defrosting is explained by that every time the defrosting frequency increases once, the corresponding defrosting interval is increased by the second preset time length on the basis of the previous time, and at this time, the corresponding defrosting interval is the sum of the preset defrosting interval and the increase range corresponding to the defrosting frequency. It can be understood that, in the periodic detection of whether the defrosting controller frequently uses the refrigeration equipment, if the refrigeration equipment is continuously detected to be frequently used, the defrosting times are continuously accumulated, and the corresponding defrosting interval is continuously increased until the defrosting interval reaches the preset maximum defrosting interval. In the periodic detection of whether the defrosting controller is frequently used for the refrigeration equipment, if the defrosting device is detected to be not frequently used in the progressive defrosting process, the defrosting times are cleared, and the corresponding defrosting controller controls the defrosting device to carry out defrosting treatment on the refrigeration equipment at preset defrosting intervals.
The following explains the embodiment with reference to a specific embodiment, and also takes the first preset time period asT, the first period corresponding to whether the refrigeration equipment is frequently used is T1, the second period is T2, and the third period is T3, for example. When the defrosting controller detects whether the refrigeration equipment is frequently used or not at the end of the first period T1, the detection result is that the refrigeration equipment is not frequently used, the defrosting controller controls the defrosting device to carry out progressive defrosting treatment on the refrigeration equipment in the second period T2, and detects whether the refrigeration equipment is frequently used or not in the second period T2 according to the detection data obtained in the second period T2 at the end of the second period T2. If the corresponding defrosting interval T is finished at the end of the second period T21＝t0+3*t2And the refrigeration equipment is still not frequently used in the second period T2, the defrosting controller continues to control the defrosting device to carry out progressive defrosting treatment on the refrigeration equipment in the third period T3, and the defrosting interval T corresponding to the first defrosting time in the third period T31＝0+4*2And gradually accumulated along with the increase of the defrosting times. However, if the refrigeration equipment in the second period T2 is frequently used, the defrosting times will be cleared, and the corresponding defrosting controller in the third period T3 will control the defrosting device to preset defrosting intervals T0The defrosting process is performed on the refrigerating apparatus, and whether the refrigerator is frequently used or not is detected according to the detection data in the third period T3 at the end of the third period T3. If the fact that the user does not frequently use the defrosting equipment in the third period T3 is detected, progressive defrosting is performed in the fourth period T4, and a defrosting interval T corresponding to the first defrosting in the fourth period T41＝t0+1*t2。
In one embodiment, when it is detected that the refrigeration equipment is not frequently used, the method further comprises: and controlling the compressor of the refrigeration equipment to run at a reduced speed on the basis of the initial speed.
Specifically, the compressor is a driven fluid machine that raises low-pressure gas to high-pressure gas, and is the heart of the refrigeration system. The refrigerating cycle is powered by sucking low-temperature and low-pressure refrigerant gas from the air suction pipe, driving the piston to compress the refrigerant gas through the operation of the motor, and discharging high-temperature and high-pressure refrigerant gas to the exhaust pipe. The initial rotating speed is similar to the preset defrosting interval and also represents the running rotating speed of the compressor of the refrigeration equipment when the refrigeration equipment is frequently used or normally used. When the user does not frequently use the refrigeration equipment, the corresponding internal gas and the external gas of the refrigeration equipment are not exchanged basically, the internal temperature of the refrigeration equipment is stable, and the internal temperature of the refrigeration equipment can be ensured to meet the food storage requirement only by little refrigerating capacity. Therefore, the running rotating speed of the compressor is reduced to reduce the refrigerating capacity in the embodiment, the refrigerating capacity of the refrigerating equipment is effectively guaranteed to meet the food storage requirement, meanwhile, the consumption of electric energy is further reduced, and the energy-saving effect is achieved.
In one embodiment, when frequent use of the refrigeration equipment is detected, the method further comprises: the compressor is controlled to operate at an initial rotational speed.
Specifically, contrary to the operation of reducing the rotating speed of the compressor when the compressor is not frequently used in the above embodiment, when the refrigeration device is frequently used, the corresponding internal gas and the external gas of the refrigeration device are frequently exchanged, the temperature fluctuation inside the refrigeration device is large, and at this time, in order to adjust the temperature inside the refrigeration device to meet the storage requirement of the corresponding food, the defrosting controller controls the compressor to operate at the initial rotating speed to realize the refrigeration operation. It can be understood that, similar to the above embodiment, when detecting that the refrigeration apparatus is frequently used, the defrosting control is performed on the refrigeration apparatus at a preset defrosting interval, and the compressor is controlled to operate at the initial rotational speed, and after the compressor is controlled to operate at the reduced rotational speed when detecting that the refrigeration apparatus is not frequently used, the compressor is directly controlled to return to the operation at the initial rotational speed, or when detecting that the refrigeration apparatus is frequently used during the initial detection, the compressor is directly controlled to operate at the initial rotational speed.
Referring to fig. 2, in an embodiment, before step S300, the method further includes step S100.
Step S100, detecting whether a user has a functional requirement on the refrigeration equipment.
Specifically, a user has a functional requirement on the refrigeration device, that is, the refrigeration device executes a specific function according to the user requirement, and at this time, the refrigeration device executes a corresponding operation according to a program corresponding to the specific function. In this embodiment, before the refrigeration device is frequently used, the defrosting controller first detects whether the user has a functional requirement on the refrigeration device, and then continues to perform the operation of detecting whether the refrigeration device is frequently used according to the detection result. It should be noted that in one embodiment, detecting whether a user has a functional requirement on the refrigeration appliance may be performed once before each frequent use detection of the refrigeration appliance at a cycle of a first preset duration to ensure that defrost control is performed without a user having a particular functional requirement on the refrigeration appliance. In another embodiment, the detecting whether the user has a functional requirement on the refrigeration equipment may be performed once before the detecting whether the refrigeration equipment is frequently used is performed for the first time in a period of a first preset time period.
In one embodiment, taking a refrigeration device as an example of a refrigerator, the corresponding functional requirements include quick freezing, deep freezing, holidays and the like, and the refrigerator has corresponding different operation modes in the functional states. The defrosting controller firstly detects whether the refrigerator is in running states such as quick freezing, deep freezing and holidays, and then detects whether the refrigerator is frequently used according to results.
If the user has no function request to the refrigeration equipment, step S300 is executed. That is, only when the refrigeration equipment has no functional requirement, the detection operation of whether the refrigeration equipment is frequently used is further periodically performed by taking the first preset time period as a period.
Referring to fig. 2, in an embodiment, after step S100, if the user has a function request for the refrigeration apparatus, the method further includes step S200 of controlling the refrigeration apparatus to operate according to the corresponding function request.
Specifically, when the defrosting controller detects whether the refrigeration equipment has a function requirement, the refrigeration equipment may have the function requirement, and at this time, the defrosting controller will not perform subsequent detection and defrosting operation, but control the operation mode corresponding to the function requirement of the refrigeration equipment to operate. Through this scheme, can guarantee that refrigeration plant is preferred to be operated according to the operation mode that the functional requirement corresponds, just can change the frost control according to whether frequently using when only refrigeration plant is not in this kind of mode.
It is understood that the specific manner of detecting whether the refrigeration equipment is frequently used is not exclusive, and in one embodiment, referring to fig. 3, step S300 includes step S310 and step S320.
Step S310, taking the first preset time as a period, and periodically acquiring the door opening times and the door opening time information of the refrigeration equipment.
Specifically, in this embodiment, the door opening times and the door opening time of the refrigeration equipment are used as the basis for determining whether the refrigeration equipment is frequently used, the refrigeration equipment is further provided with a detection device for detecting whether a door of the refrigeration equipment is opened and the opening time, and information obtained by detection is sent to the defrosting controller in real time for analysis. It should be noted that, in an embodiment, the manner of detecting the door opening time and the door opening times of the refrigeration equipment is not exclusive, and specifically, the detection may be performed by an opening sensor and a timer, etc. disposed at the door body of the refrigeration equipment, or the light intensity change before and after the door opening of the refrigeration equipment is detected by a light sensor to determine whether to open the door, and the door opening time is obtained by timing by the timer, etc.
And step S320, judging whether the refrigeration equipment is frequently used or not according to the door opening times and/or the door opening time.
Specifically, the defrosting controller stores preset door opening times and preset door opening time, when the door opening times are larger than or equal to the preset door opening times, the refrigerating equipment is frequently opened by a user, and similarly, when the door opening time is larger than the preset door opening time, the refrigerating equipment is frequently opened by the user, the time for the user to open the refrigerating equipment is too long, and the refrigerating equipment can be frequently used by the user in both cases. In this embodiment, the door opening times and the preset door opening times may be compared and analyzed, and when the door opening times is greater than or equal to the preset door opening times, the refrigeration equipment is considered to be frequently used. Or carrying out comparative analysis according to the door opening time and the preset door opening time, and considering that the refrigeration equipment is frequently used when the door opening time is greater than or equal to the preset door opening time. The method can be used for judging whether the refrigeration equipment is frequently used or not by analyzing the door opening times and the door opening time in a combined mode, the specific combined analysis mode is not unique, and in one embodiment, the refrigeration equipment can be considered to be frequently used only when the door opening times are larger than or equal to the preset door opening times and the door opening time is larger than or equal to the preset door opening time.
According to the defrosting control method for the refrigeration equipment, whether the refrigeration equipment is frequently used by a user is periodically detected by taking the first preset time as a period in the operation process, and when the refrigeration equipment is detected not to be frequently used, the defrosting mode of the refrigeration equipment is changed, the time interval of each defrosting operation is gradually increased, and the energy consumption of the refrigeration equipment is effectively reduced. Meanwhile, the defrosting control can be carried out at preset defrosting intervals under the condition that the refrigerating equipment is frequently used by a user, so that the refrigerating equipment can be completely defrosted. Through the scheme, the refrigeration equipment can ensure complete defrosting and has lower electric energy loss under the condition that a user uses less refrigeration equipment, and compared with the traditional defrosting mode, the refrigeration equipment has stronger defrosting reliability.
Referring to fig. 4, a defrosting control device of a refrigeration apparatus includes: the usage detection module 300, the first defrosting control module 400 and the second defrosting control module 500.
The usage detection module 300 is configured to periodically detect whether the refrigeration equipment is frequently used in a corresponding period, with a first preset duration as a period. The first defrosting control module 400 is configured to gradually increase a defrosting interval on the basis of a preset defrosting interval to perform defrosting control on the refrigeration equipment when it is detected that the refrigeration equipment is not frequently used. The second defrosting control module 500 is configured to perform defrosting control on the refrigeration apparatus at preset defrosting intervals when it is detected that the refrigeration apparatus is frequently used.
In one embodiment, the first defrosting control module 400 is further configured to gradually increase the defrosting interval with a second preset duration on the basis of the preset defrosting interval as the defrosting times increase until the defrosting interval reaches the preset maximum defrosting interval.
In one embodiment, the first defrost control module 400 is further configured to control a compressor of the refrigeration unit to operate at a reduced speed based on the initial speed.
In one embodiment, the second frost control module 500 is also used to control the compressor to operate at an initial speed.
Referring to fig. 5, in an embodiment, before the detection module 300 is used, the defrosting control device of the refrigeration equipment further includes a function detection module 100. The function detecting module 100 is used for detecting whether a user has a function requirement on the refrigeration equipment.
Referring to fig. 5, in an embodiment, after the function detecting module 100, the defrosting control device of the refrigeration equipment further includes a function operating module 200. The function operating module 200 is used for controlling the refrigeration equipment to operate according to the corresponding function requirement.
In one embodiment, the usage detection module 300 is further configured to periodically obtain the door opening times and the door opening time information of the refrigeration equipment with a first preset time period as a period; and judging whether the refrigeration equipment is frequently used or not according to the door opening times and/or the door opening time.
For specific limitations of the defrosting control device of the refrigeration equipment, reference may be made to the above limitations of the defrosting control method of the refrigeration equipment, and details are not described herein again. All or part of each module in the defrosting control device of the refrigeration equipment can be realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
According to the defrosting control device of the refrigeration equipment, the first preset time length is taken as the period in the operation process, whether the refrigeration equipment is frequently used by a user is periodically detected, the defrosting mode of the refrigeration equipment is changed when the refrigeration equipment is not frequently used, the time length of the interval of each defrosting operation is gradually increased, and the energy consumption of the refrigeration equipment is effectively reduced. Meanwhile, the defrosting control can be carried out at preset defrosting intervals under the condition that the refrigerating equipment is frequently used by a user, so that the refrigerating equipment can be completely defrosted. Through the scheme, the refrigeration equipment can ensure complete defrosting and has lower electric energy loss under the condition that a user uses less refrigeration equipment, and compared with the traditional defrosting mode, the refrigeration equipment has stronger defrosting reliability.
Referring to fig. 6, a refrigeration apparatus includes a defrosting controller 10, a defrosting device 20 and a compressor 30, the defrosting controller 10 is connected to the defrosting device 20 and the compressor 30, and the defrosting controller 10 is configured to control the defrosting device 20 to perform a defrosting process on the refrigeration apparatus according to the above-mentioned method.
Specifically, in the operation process of the refrigeration equipment, because certain water vapor exists in the gas inside the refrigeration equipment, and the temperature inside the refrigeration equipment is generally low, the water vapor inside the refrigeration equipment is easily condensed into frost to be attached to the inside of the refrigeration equipment. In order to avoid this, the present embodiment provides a defrosting device 20 for defrosting process and a defrosting controller 10 for controlling the operation of the defrosting device 20 in the refrigeration apparatus, and the defrosting controller 10 performs a detection operation of whether the user frequently uses the refrigeration apparatus according to the received information, thereby facilitating a corresponding control operation in the case where the user frequently uses the refrigeration apparatus and does not frequently use the refrigeration apparatus. In this embodiment, in order to ensure that the defrosting controller 10 can detect when the user uses the refrigeration equipment, the first preset time is used as a period to periodically detect the use condition of the refrigeration equipment, the defrosting controller 10 detects whether the user frequently uses the refrigeration equipment in the previous period, and controls the refrigeration equipment in the current period to perform defrosting operation in a certain mode according to a detection result of whether the user frequently uses the refrigeration equipment in the previous period. It should be noted that the first preset time period is not exclusive, as long as the usage of the refrigeration equipment by the user can be reasonably indicated.
When the defrosting controller 10 detects whether the refrigeration equipment is frequently used or not according to the received information, the detection result shows that the refrigeration equipment is not frequently used, that is, the content of the vapor in the refrigeration equipment is low, and the amount of the condensed frost is low. At this time, the defrosting controller 10 controls the refrigeration equipment to adopt a progressive defrosting mode, and gradually increases the defrosting interval between each defrosting operation, so as to avoid that defrosting is too frequent and unnecessary electric energy is wasted. The preset defrosting interval is that the defrosting controller 10 controls the defrosting device 20 to defrost at fixed intervals for an interval time in a case where the refrigeration apparatus is frequently used or in a case where the refrigeration apparatus is normally used.
When the defrosting controller 10 detects whether the refrigeration equipment is frequently used or not according to the received information, the refrigeration equipment is frequently used by detection, and the refrigeration equipment and the external air can be subjected to gas exchange when the refrigeration equipment is used every time, so that the content of vapor in the refrigeration equipment is high, and the quantity of condensed frost is high. At this moment, the defrosting controller 10 controls the refrigeration equipment to perform defrosting control on the refrigeration equipment according to a preset defrosting interval, so that the condensed frost in the refrigeration equipment can be melted, and the safe operation of the refrigeration equipment is ensured.
Furthermore, when the user does not frequently use the refrigeration equipment, the corresponding internal gas and the external gas of the refrigeration equipment are not exchanged basically, the internal temperature of the refrigeration equipment is stable, and the internal temperature of the refrigeration equipment can meet the food storage requirement only by little refrigerating capacity. Therefore, in the embodiment, the refrigeration capacity is reduced by reducing the operation rotating speed of the compressor 30, and the consumption of electric energy is further reduced while the refrigeration capacity of the refrigeration equipment can meet the food storage requirement, so that the energy is saved.
In one embodiment, the refrigeration appliance is a refrigerator. In this embodiment, the defrosting control method of the refrigeration apparatus is applied to the refrigerator, and the defrosting control operation of the refrigerator is realized according to the use condition of the refrigerator under the condition that the refrigerator does not have special operation states such as quick freezing, deep freezing or holidays.
According to the refrigeration equipment, the first preset time is used as a period in the operation process, whether the refrigeration equipment is frequently used by a user is periodically detected, and when the refrigeration equipment is not frequently used, the defrosting mode of the refrigeration equipment is changed, the time interval of each defrosting operation is gradually increased, and the energy consumption of the refrigeration equipment is effectively reduced. Meanwhile, the defrosting control can be carried out at preset defrosting intervals under the condition that the refrigerating equipment is frequently used by a user, so that the refrigerating equipment can be completely defrosted. Through the scheme, the refrigeration equipment can ensure complete defrosting and has lower electric energy loss under the condition that a user uses less refrigeration equipment, and compared with the traditional defrosting mode, the refrigeration equipment has stronger defrosting reliability.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (11)
1. A defrosting control method of a refrigeration device is characterized by comprising the following steps:
periodically detecting whether the refrigeration equipment is frequently used in a corresponding period by taking a first preset time as a period;
when the refrigeration equipment is detected not to be frequently used, gradually increasing a defrosting interval on the basis of a preset defrosting interval to carry out defrosting control on the refrigeration equipment;
when the refrigeration equipment is detected to be frequently used, defrosting control is carried out on the refrigeration equipment at the preset defrosting interval.
2. The defrosting control method according to claim 1, wherein the step of gradually increasing the defrosting interval on the basis of a preset defrosting interval to perform defrosting control on the refrigeration apparatus includes:
and along with the increase of the defrosting times, gradually increasing the defrosting interval by a second preset time length on the basis of the preset defrosting interval to carry out defrosting control on the refrigeration equipment until the defrosting interval reaches the preset maximum defrosting interval.
3. The defrosting control method according to claim 2, wherein the gradually increasing the defrosting interval on the refrigeration equipment based on the preset defrosting interval by a second preset time length as the defrosting times increase comprises:
t1＝t0+n*t2
wherein, t1Interval for defrosting, t0A preset defrosting interval, n is the defrosting times, t2And the second preset time length represents multiplication.
4. The defrosting control method according to claim 1, further comprising, when it is detected that the cooling apparatus is not frequently used:
and controlling the compressor of the refrigeration equipment to run at a reduced speed on the basis of the initial speed.
5. The defrosting control method according to claim 4, further comprising, when it is detected that the cooling apparatus is frequently used:
controlling the compressor to operate at the initial rotation speed.
6. The defrosting control method according to claim 1, wherein before the step of periodically detecting whether the refrigeration equipment is frequently used in the corresponding period with the first preset time period as the period, the method further comprises:
detecting whether a user has a functional requirement on the refrigeration equipment;
if not, the first preset time is used as a period, and whether the refrigeration equipment is frequently used in the corresponding period is periodically detected.
7. The defrosting control method of claim 6, wherein after the step of detecting whether the user has a functional requirement for the refrigeration equipment, the method further comprises:
and if so, controlling the refrigeration equipment to operate according to the corresponding functional requirements.
8. The defrosting control method according to claim 1, wherein the step of periodically detecting whether the refrigeration equipment is frequently used in the corresponding period with the first preset time period as the period comprises the following steps:
periodically acquiring the door opening times and the door opening time information of the refrigeration equipment by taking a first preset time length as a period;
and judging whether the refrigeration equipment is frequently used or not according to the door opening times and/or the door opening time.
9. A defrosting control device of a refrigeration apparatus, characterized by comprising:
the usage detection module is used for periodically detecting whether the refrigeration equipment is frequently used in a corresponding period by taking a first preset time as the period;
the first defrosting control module is used for gradually increasing defrosting intervals on the basis of preset defrosting intervals to carry out defrosting control on the refrigeration equipment when the refrigeration equipment is detected not to be frequently used;
and the second defrosting control module is used for carrying out defrosting control on the refrigeration equipment at the preset defrosting interval when the refrigeration equipment is detected to be frequently used.
10. A refrigeration device, comprising a defrosting controller, a defrosting device and a compressor, wherein the defrosting controller is connected with the defrosting device and the compressor, and the defrosting controller is used for controlling the defrosting device to carry out defrosting treatment on the refrigeration device according to the method of any one of claims 1 to 8.
11. The refrigeration appliance of claim 10 wherein the refrigeration appliance is a refrigerator.
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| CN202010057698.6A CN111238121B (en) | 2020-01-19 | 2020-01-19 | Refrigeration equipment and defrosting control method and device thereof |
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| CN202010057698.6A CN111238121B (en) | 2020-01-19 | 2020-01-19 | Refrigeration equipment and defrosting control method and device thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112303814A (en) * | 2020-09-24 | 2021-02-02 | 青岛海信日立空调系统有限公司 | Air conditioner and air conditioner defrosting method |
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| CN111238121B (en) | 2021-07-06 |
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