CN111189296B - Control method of refrigeration system, refrigeration equipment and storage medium - Google Patents
Control method of refrigeration system, refrigeration equipment and storage medium Download PDFInfo
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- CN111189296B CN111189296B CN202010034490.2A CN202010034490A CN111189296B CN 111189296 B CN111189296 B CN 111189296B CN 202010034490 A CN202010034490 A CN 202010034490A CN 111189296 B CN111189296 B CN 111189296B
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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
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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
- F25D2600/02—Timing
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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 invention provides a control method of a refrigeration system, the refrigeration system, refrigeration equipment and a storage medium, wherein the refrigeration system comprises a compressor and an evaporator, and the control method of the refrigeration system comprises the following steps: acquiring the inlet temperature of an evaporator and the outlet temperature of the evaporator; determining a reference value interval according to the inlet temperature and the outlet temperature, and determining a target operation frequency corresponding to the compressor according to the reference interval; and controlling the compressor to work according to the target running frequency. Through the operating frequency according to the inlet temperature and the outlet temperature control compressor of refrigerating system evaporimeter, refrigeration regulation response speed is fast, and the difference in temperature between the inlet temperature and the outlet temperature of evaporimeter can direct expression current refrigerating system's the load condition, adjusts compressor operating frequency according to real-time load condition, can realize refrigerating system's dynamic regulation and meticulous regulation, and then guarantees refrigerating system's operation and load phase-match, improves refrigerating system's operation effect.
Description
Technical Field
The invention relates to the technical field of refrigeration control, in particular to a control method of a refrigeration system, the refrigeration system, refrigeration equipment and a computer readable storage medium.
Background
In the related art, the frequency adjustment of a compressor of refrigeration equipment such as a refrigerator is adjusted according to the temperature in a compartment or the room temperature, and the distribution of the temperature in the compartment or the room temperature is uneven, so that the operation adjustment response speed of a refrigeration system is low, the dynamic adjustment and the fine adjustment cannot be realized, and the system is difficult to match.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, a first aspect of the invention proposes a method of controlling a refrigeration system.
A second aspect of the present invention is directed to a refrigeration system.
A third aspect of the invention provides a refrigeration apparatus.
A fourth aspect of the present invention is directed to a computer-readable storage medium.
In view of the above, a first aspect of the present invention provides a control method of a refrigeration system including a compressor and an evaporator, the control method including: acquiring the inlet temperature of an evaporator and the outlet temperature of the evaporator; determining a reference value interval according to the inlet temperature and the outlet temperature, and determining a target operation frequency corresponding to the compressor according to the reference interval; and controlling the compressor to work according to the target running frequency.
In the technical scheme, when the refrigeration system is controlled, the running frequency of the compressor is controlled according to the inlet temperature and the outlet temperature of the evaporator of the refrigeration system, the existing technical scheme that the running frequency of the compressor is controlled according to the room temperature or the room temperature is replaced, the response speed of refrigeration regulation is high, the temperature difference between the inlet temperature and the outlet temperature of the evaporator can directly represent the load condition of the current refrigeration system, the running frequency of the compressor is regulated according to the real-time load condition, dynamic regulation and fine regulation of the refrigeration system can be realized, further, the running and the load capacity of the refrigeration system are matched, and the running effect of the refrigeration system is improved.
In addition, the control method of the refrigeration system in the above technical solution provided by the present invention may further have the following additional technical features:
in the above technical solution, the step of determining the reference interval according to the inlet temperature and the outlet temperature specifically includes: determining the average value of the inlet temperature and the average value of the outlet temperature within a preset time period, and calculating the difference value of the average value of the inlet temperature and the average value of the outlet temperature; acquiring a preset reference value interval comparison table, determining a first reference value interval corresponding to the difference value according to the comparison table, and determining a second reference value interval corresponding to the outlet temperature value; and determining the target operating frequency according to the first reference value interval and the second reference value interval.
According to the technical scheme, the difference value of the average value of the inlet temperature and the outlet temperature of the evaporator within the preset time length is determined, a table is looked up to determine a first reference value interval corresponding to the difference value, and the difference value can accurately reflect the load capacity of the current refrigeration system. And then, according to the outlet temperature of the evaporator, determining a second reference value interval corresponding to the outlet temperature through table lookup, and further determining the final target operation frequency corresponding to the compressor according to the first reference value interval and the second reference value interval.
The obtained temperature value and the average temperature difference value obtained by calculation are corresponding to a reference interval, and a final target operation frequency is determined according to the reference interval, so that the calculated amount can be effectively reduced, and the response speed and the working efficiency of the frequency adjustment of the refrigeration equipment are improved.
In any of the above technical solutions, the step of determining the target operating frequency according to the first reference value interval and the second reference value interval specifically includes: acquiring a preset operation parameter comparison table, and inquiring a first frequency value set corresponding to a first reference value interval and a second frequency value set corresponding to a second reference value interval through the operation parameter comparison table; and determining the intersection corresponding frequency value of the first frequency value set and the second frequency value set, and determining the intersection corresponding frequency value as the target operating frequency.
In the technical scheme, a preset operation parameter comparison table is stored in the refrigeration system, in the operation parameter comparison table, a first reference value interval and a second reference value interval respectively correspond to a first frequency value set and a second frequency value set, and after the first reference value interval and the second reference value interval are determined, a target operation frequency is determined according to an intersection of the first frequency value set and the second frequency value set. Wherein the intersection of any set of first reference value intervals and any set of second reference value intervals always has only one frequency value. The preset operation parameter comparison table is set according to the working condition environment of the refrigeration system and can be updated in subsequent use.
In any of the above technical solutions, the refrigeration system further includes a fan, and the control method further includes: and determining a target rotating speed corresponding to the fan according to the first reference value interval, and controlling the fan to work according to the target rotating speed.
In the technical scheme, the load of the refrigeration system comprises the frequency of the compressor and the rotating speed of the fan, and the operation effect of the refrigeration system can be further adjusted by adjusting the rotating speed of the fan while adjusting the frequency of the compressor. Specifically, the difference value of the average value of the inlet temperature and the outlet temperature of the evaporator can be a first reference value interval, the load condition of the current refrigeration system can be accurately expressed in the first reference value interval, the rotating speed of the fan is adjusted according to the first reference value interval, the matching of the load condition and the load condition of the refrigeration system can be guaranteed, and the dynamic adjustment and the fine adjustment of the refrigeration system are achieved.
In any of the above technical solutions, the step of determining the target rotation speed according to the first reference value interval specifically includes: and inquiring a rotating speed value corresponding to the first reference value interval through a preset operating parameter comparison table, and determining the rotating speed value as the target rotating speed.
In the technical scheme, the operation parameter comparison table further comprises a comparison relation between the first reference value interval and the target rotating speed corresponding to the fan, wherein the operation parameter comparison table is set according to the working condition environment of the refrigeration system and can be updated in subsequent use. The target rotating speed is determined in a table look-up mode, so that the calculated amount during system adjustment can be effectively reduced, and the response speed and the adjustment efficiency are improved.
In any of the above technical solutions, the control method of the refrigeration system further includes: receiving and storing a reference value interval comparison table and an operation parameter comparison table; and receiving an updating instruction, determining updating data according to the updating instruction, and updating the data in the reference interval comparison table and/or the operation parameter comparison table through the updating data.
In the technical scheme, the refrigerating system can receive the reference value interval comparison table and the operation parameter comparison table sent by the upper computer or the management terminal, and stores the reference value interval comparison table and the operation parameter comparison table so as to be called when the refrigerating system operates. The refrigeration system can also receive an updating instruction, wherein the updating instruction comprises a target comparison table to be updated and corresponding updating data, and the updating data is updated into the reference interval comparison table and/or the operation parameter comparison table, so that the reference interval comparison table and/or the operation parameter comparison table can be always matched with the working condition environment of the refrigeration system, and the accuracy and the reliability of the adjustment of the refrigeration system are improved.
A second aspect of the present invention provides a refrigeration system comprising: a compressor; the evaporator is connected with the compressor; a fan configured to supply air to the evaporator; controlling means, controlling means is connected with compressor and fan, and controlling means includes memory and treater, wherein: the memory is configured to store a computer program; the processor is configured to run the computer program to implement the control method of the refrigeration system as provided in any of the above-mentioned technical solutions, and therefore, the refrigeration system includes all the advantageous effects of the control method of the refrigeration system as provided in any of the above-mentioned technical solutions.
In this technical scheme, refrigerating system includes evaporimeter and compressor, through compressor compression refrigerant to supply air to the evaporimeter through the fan, make the evaporimeter can purchase with the quick heat transfer of outside air, and then realize refrigerating. Wherein, compressor and fan are controlled through controlling means, and controlling means can realize refrigerating system's dynamic adjustment and meticulous regulation according to the operating frequency of the inlet temperature of evaporimeter and outlet temperature control compressor and the rotational speed of fan, and then guarantee refrigerating system's operation and load phase-match, improve refrigerating system's operation effect.
In the above technical solution, the refrigeration system further includes: the first temperature sensor is connected with the control device and arranged at an air inlet of the evaporator, and the first temperature sensor is configured to acquire the inlet temperature of the evaporator; and the second temperature sensor is connected with the control device and arranged at the air outlet of the evaporator, and the second temperature sensor is configured to acquire the outlet temperature of the evaporator.
In the technical scheme, a first temperature sensor is arranged at an air inlet of an evaporator and used for acquiring the inlet temperature of the evaporator. And a second temperature sensor is arranged at the air outlet of the evaporator and used for acquiring the outlet temperature of the evaporator. The inlet temperature and the outlet temperature of the evaporator are obtained in real time, the difference value of the average values of the inlet temperature and the outlet temperature of the evaporator is determined within the preset time, the target operation frequency corresponding to the compressor is determined according to the difference value and the outlet temperature value, the target rotating speed corresponding to the fan is further determined according to the difference value, dynamic adjustment and fine adjustment of the operation of the refrigeration system can be achieved, the operation of the refrigeration system is guaranteed to be matched with the load, and the operation effect of the refrigeration system is improved.
A third aspect of the present invention provides a refrigeration apparatus comprising: a refrigeration compartment; in any of the above embodiments, a refrigeration system is provided, the refrigeration system being configured to supply cooling to a refrigeration compartment. Therefore, the refrigeration equipment comprises all the advantages of the refrigeration system provided in any of the above technical solutions, and the details are not repeated herein.
In the technical scheme, the refrigeration equipment comprises a refrigerator, an ice chest, a refrigerated cabinet and a mobile refrigeration vehicle.
A fourth aspect of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when being executed by a processor, implements the control method for a refrigeration system as provided in any one of the above technical solutions, and therefore, the computer-readable storage medium includes all the beneficial effects of the control method for a refrigeration system as provided in any one of the above technical solutions, and details are not repeated herein.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 shows a flow chart of a method of controlling a refrigeration system according to an embodiment of the invention;
FIG. 2 illustrates another flow diagram of a method of controlling a refrigeration system according to an embodiment of the present invention;
FIG. 3 shows yet another flow chart of a method of controlling a refrigeration system according to an embodiment of the invention;
FIG. 4 is a schematic diagram illustrating a parameter map in a control method for a refrigerant system according to an embodiment of the present invention;
FIG. 5 illustrates a control logic schematic of a control system of a refrigeration system according to an embodiment of the present invention;
FIG. 6 is a flow chart illustrating dynamic adjustment of a refrigerant system according to the present invention;
FIG. 7 shows a block diagram of a refrigeration system according to an embodiment of the present invention;
fig. 8 shows a block diagram of a refrigeration apparatus according to an embodiment of the present invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A control method of a refrigeration system, a refrigeration apparatus, and a computer-readable storage medium according to some embodiments of the present invention are described below with reference to fig. 1 to 8.
The first embodiment is as follows:
in an embodiment of the first aspect of the present invention, as shown in fig. 1, there is provided a control method of a refrigeration system including a compressor and an evaporator, the control method including:
step S102, acquiring the inlet temperature of an evaporator and the outlet temperature of the evaporator;
step S104, determining a reference value interval according to the inlet temperature and the outlet temperature, and determining a target operation frequency corresponding to the compressor according to the reference interval;
and step S106, controlling the compressor to work according to the target running frequency.
In step S104, as shown in fig. 2, the step of determining the reference interval according to the inlet temperature and the outlet temperature specifically includes:
step S202, determining the average value of the inlet temperature and the average value of the outlet temperature within a preset time period, and calculating the difference value of the average value of the inlet temperature and the average value of the outlet temperature;
step S204, acquiring a preset reference value interval comparison table, determining a first reference value interval corresponding to the difference value according to the comparison table, and determining a second reference value interval corresponding to the outlet temperature value;
and step S206, determining a target operation frequency according to the first reference value interval and the second reference value interval.
In step S206, as shown in fig. 3, the step of determining the target operating frequency according to the first reference value interval and the second reference value interval specifically includes:
step S302, acquiring a preset operation parameter comparison table, and inquiring a first frequency value set corresponding to a first reference value interval and a second frequency value set corresponding to a second reference value interval through the operation parameter comparison table;
step S304, determining the intersection corresponding frequency value of the first frequency value set and the second frequency value set, and determining the intersection corresponding frequency value as the target running frequency.
In the embodiment, when the refrigeration system is controlled, the operation frequency of the compressor is controlled according to the inlet temperature and the outlet temperature of the evaporator of the refrigeration system, the existing technical scheme that the operation frequency of the compressor is controlled according to the compartment temperature or the room temperature is replaced, the response speed of refrigeration adjustment is high, the temperature difference between the inlet temperature and the outlet temperature of the evaporator can directly represent the load condition of the current refrigeration system, the operation frequency of the compressor is adjusted according to the real-time load condition, dynamic adjustment and fine adjustment of the refrigeration system can be realized, the operation of the refrigeration system is guaranteed to be matched with the load quantity, and the operation effect of the refrigeration system is improved.
Specifically, the difference value of the average values of the inlet temperature and the outlet temperature of the evaporator within the preset time length is determined, a table is looked up to determine a first reference value interval corresponding to the difference value, and the difference value can accurately reflect the load capacity of the current refrigeration system. And then, according to the outlet temperature of the evaporator, determining a second reference value interval corresponding to the outlet temperature through table lookup, and further determining the final target operation frequency corresponding to the compressor according to the first reference value interval and the second reference value interval.
As shown in fig. 4, a preset operation parameter comparison table is stored in the refrigeration system, and in the operation parameter comparison table shown in fig. 4, intervals a to a eight in the first row correspond to a difference between average values of the inlet temperature and the outlet temperature of the evaporator, that is, a first reference value interval. The interval B of the second row, interval one to interval B, corresponds to the outlet temperature value of the evaporator, i.e. the second reference value interval. R1 to R17 correspond to different preset target operating frequencies, respectively. Wherein each column is a first set of frequency values, each row is a second set of frequency values, and the intersection of each first set (row) of frequency values and each second set (column) of frequency values comprises a frequency value.
After the first reference value interval and the second reference value interval are determined, the target operation frequency is determined according to the intersection of the first frequency value set and the second frequency value set. Wherein the intersection of any set of first reference value intervals and any set of second reference value intervals always has only one frequency value. The preset operation parameter comparison table is set according to the working condition environment of the refrigeration system and can be updated in subsequent use.
The obtained temperature value and the average temperature difference value obtained by calculation are corresponding to a reference interval, and a final target operation frequency is determined according to the reference interval, so that the calculated amount can be effectively reduced, and the response speed and the working efficiency of the frequency adjustment of the refrigeration equipment are improved.
In one embodiment of the present invention, the refrigeration system further includes a fan, and the control method further includes: and determining a target rotating speed corresponding to the fan according to the first reference value interval, and controlling the fan to work according to the target rotating speed.
The step of determining the target rotating speed according to the first reference value interval specifically includes: and inquiring a rotating speed value corresponding to the first reference value interval through a preset operating parameter comparison table, and determining the rotating speed value as the target rotating speed.
In this embodiment, the load of the refrigeration system includes the compressor frequency and the fan speed, and adjusting the compressor frequency and the fan speed can further adjust the operation effect of the refrigeration system. Specifically, the difference value of the average value of the inlet temperature and the outlet temperature of the evaporator can be a first reference value interval, the load condition of the current refrigeration system can be accurately expressed in the first reference value interval, the rotating speed of the fan is adjusted according to the first reference value interval, the matching of the load condition and the load condition of the refrigeration system can be guaranteed, and the dynamic adjustment and the fine adjustment of the refrigeration system are achieved.
As shown in fig. 4, the operation parameter comparison table further includes a comparison relationship between a first reference value interval and a target rotation speed corresponding to the fan, where in the operation parameter comparison table shown in fig. 4, one to eight intervals a corresponding to each column in the first row correspond to a difference between average values of the inlet temperature and the outlet temperature of the evaporator, that is, the first reference value interval. The target rotating speed is in different intervals, the unit of the target rotating speed is rpm of the fan.
The operation parameter comparison table is set according to the working condition environment of the refrigeration system and can be updated in subsequent use. The target rotating speed is determined in a table look-up mode, so that the calculated amount during system adjustment can be effectively reduced, and the response speed and the adjustment efficiency are improved.
In one embodiment of the present invention, the control method of the refrigeration system further includes: receiving and storing a reference value interval comparison table and an operation parameter comparison table; and receiving an updating instruction, determining updating data according to the updating instruction, and updating the data in the reference interval comparison table and/or the operation parameter comparison table through the updating data.
In this embodiment, the refrigeration system may receive the reference value interval comparison table and the operation parameter comparison table sent by the upper computer or the management terminal, and store the reference value interval comparison table and the operation parameter comparison table for the refrigeration system to call when operating. The refrigeration system can also receive an updating instruction, wherein the updating instruction comprises a target comparison table to be updated and corresponding updating data, and the updating data is updated into the reference interval comparison table and/or the operation parameter comparison table, so that the reference interval comparison table and/or the operation parameter comparison table can be always matched with the working condition environment of the refrigeration system, and the accuracy and the reliability of the adjustment of the refrigeration system are improved.
Example two:
in a complete embodiment of the present invention, the control logic of the control system of the refrigeration system is shown in fig. 5, wherein an MCU (Micro Controller Unit) detects the evaporator inlet temperature and the evaporator outlet temperature, and performs the compressor frequency control and the fan speed control according to the detected evaporator inlet temperature and evaporator outlet temperature.
Specifically, taking the application of the refrigeration system to a refrigerator as an example, after the refrigerator is powered on, the refrigeration system receives a refrigeration request command, and at this time, the MCU detects the inlet temperature and the outlet temperature of the evaporator in real time.
And determining a first reference interval according to the detected difference value between the inlet temperature and the outlet temperature of the evaporator in unit time (within a preset time length), determining a second reference interval according to the outlet temperature, referring to a parameter comparison table shown in fig. 4, and looking up the table to obtain the target operating frequency of the compressor.
Meanwhile, a first reference interval is determined according to the detected difference value between the inlet temperature and the outlet temperature of the evaporator in unit time (within a preset time length), and the target rotating speed of the fan is obtained by referring to a parameter comparison table shown in fig. 4 and looking up a table.
And after the operation parameters of the compressor and the fan are determined, controlling the corresponding load to work according to the operation parameters.
The specific control flow is shown in fig. 6:
step S602, collecting the inlet temperature and the outlet temperature of the evaporator in real time, and calculating a difference value;
step S604, adjusting the frequency of the compressor according to the outlet temperature and the difference value in unit time;
step S606, adjusting the rotating speed of the fan according to the difference value in unit time;
and step S608, controlling the compressor and the fan to operate according to corresponding parameters.
According to the embodiment provided by the invention, under the condition that the heat exchange area of the refrigerator evaporator is fixed, the running parameters are dynamically adjusted by controlling the fan and the compressor, the system matching is adjusted as far as possible in real time, and the heat exchange efficiency is improved.
Example three:
as shown in fig. 7, in one embodiment of the present invention, there is provided a refrigeration system 700 comprising: a compressor 702; an evaporator 704, the evaporator 704 being connected to the compressor 702; a fan 706, the fan 706 configured to blow air to the evaporator 704; a control device 708, the control device 708 being coupled to the compressor 702 and the fan 706, the control device 708 comprising a memory 7082 and a processor 7084, wherein: the memory 7082 is configured to store computer programs; the processor 7084 is configured to run a computer program to implement the control method of the refrigeration system as provided in any of the above embodiments, and therefore, the refrigeration system 700 includes all the advantageous effects of the control method of the refrigeration system as provided in any of the above embodiments.
In this embodiment, refrigerating system includes evaporimeter and compressor, compresses the refrigerant through the compressor to supply air to the evaporimeter through the fan, make the evaporimeter can purchase with the quick heat transfer of outside air, and then realize refrigerating. Wherein, compressor and fan are controlled through controlling means, and controlling means can realize refrigerating system's dynamic adjustment and meticulous regulation according to the operating frequency of the inlet temperature of evaporimeter and outlet temperature control compressor and the rotational speed of fan, and then guarantee refrigerating system's operation and load phase-match, improve refrigerating system's operation effect.
In one embodiment of the present invention, the refrigeration system further comprises: the first temperature sensor is connected with the control device and arranged at an air inlet of the evaporator, and the first temperature sensor is configured to acquire the inlet temperature of the evaporator; and the second temperature sensor is connected with the control device and arranged at the air outlet of the evaporator, and the second temperature sensor is configured to acquire the outlet temperature of the evaporator.
In this embodiment, a first temperature sensor is provided at the air inlet of the evaporator for acquiring the inlet temperature of the evaporator. And a second temperature sensor is arranged at the air outlet of the evaporator and used for acquiring the outlet temperature of the evaporator. The inlet temperature and the outlet temperature of the evaporator are obtained in real time, the difference value of the average values of the inlet temperature and the outlet temperature of the evaporator is determined within the preset time, the target operation frequency corresponding to the compressor is determined according to the difference value and the outlet temperature value, the target rotating speed corresponding to the fan is further determined according to the difference value, dynamic adjustment and fine adjustment of the operation of the refrigeration system can be achieved, the operation of the refrigeration system is guaranteed to be matched with the load, and the operation effect of the refrigeration system is improved.
Example four:
as shown in fig. 8, in one embodiment of the present invention, there is provided a refrigerating apparatus 800 including: a refrigeration compartment 802; as with the refrigeration system 804 provided in any of the embodiments described above, the refrigeration system 804 is configured to provide cooling to the interior of the refrigeration compartment 802. Accordingly, the refrigeration apparatus 800 includes all the advantages of the refrigeration system provided in any of the above embodiments, and will not be described herein.
Wherein, the refrigeration equipment comprises a refrigerator, an ice chest, a refrigerated cabinet and a mobile refrigeration vehicle.
Example five:
in an embodiment of the present invention, a computer-readable storage medium is provided, on which a computer program is stored, and the computer program is executed by a processor to implement the control method of the refrigeration system provided in any of the above embodiments, so that the computer-readable storage medium includes all the advantages of the control method of the refrigeration system provided in any of the above embodiments, and details are not described herein.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically defined, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A control method of a refrigeration system including a compressor and an evaporator, characterized by comprising:
acquiring an inlet temperature of the evaporator and an outlet temperature of the evaporator;
determining a reference value interval according to the inlet temperature and the outlet temperature, and determining a target operation frequency corresponding to the compressor according to the reference interval;
controlling the compressor to work according to the target running frequency;
the step of determining a reference interval according to the inlet temperature and the outlet temperature specifically includes:
determining the average value of the inlet temperature and the average value of the outlet temperature within a preset time period, and calculating the difference value of the average value of the inlet temperature and the average value of the outlet temperature;
acquiring a preset reference value interval comparison table, determining a first reference value interval corresponding to the difference value according to the comparison table, and determining a second reference value interval corresponding to the outlet temperature value;
and determining the target operating frequency according to the first reference value interval and the second reference value interval.
2. The method of claim 1, wherein the step of determining the target operating frequency according to the first reference value interval and the second reference value interval specifically comprises:
acquiring a preset operation parameter comparison table, and inquiring a first frequency value set corresponding to the first reference value interval and a second frequency value set corresponding to the second reference value interval through the operation parameter comparison table;
and determining the intersection corresponding frequency value of the first frequency value set and the second frequency value set, and determining the intersection corresponding frequency value as the target operating frequency.
3. The control method of a refrigeration system as set forth in claim 2, wherein the refrigeration system further includes a fan, the control method further including:
and determining a target rotating speed corresponding to the fan according to the first reference value interval, and controlling the fan to work according to the target rotating speed.
4. A method as claimed in claim 3, wherein said step of determining a target speed from said first interval of reference values comprises:
and inquiring the rotating speed value corresponding to the first reference value interval through the operating parameter comparison table, and determining the rotating speed value as the target rotating speed.
5. The control method of a refrigeration system according to any one of claims 2 to 4, further comprising:
receiving and storing the reference value interval comparison table and the operation parameter comparison table; and
and receiving an updating instruction, determining updating data according to the updating instruction, and updating the data in the reference interval comparison table and/or the operating parameter comparison table through the updating data.
6. A refrigeration system, comprising:
a compressor;
the evaporator is connected with the compressor;
a fan configured to supply air to the evaporator;
a control device, the control device with the compressor with the fan is connected, the control device includes memory and treater, wherein:
the memory is configured to store a computer program;
the processor is configured to run the computer program to implement the control method of the refrigeration system according to any one of claims 1 to 5.
7. The refrigerant system as set forth in claim 6, further including:
a first temperature sensor connected with the control device and disposed at an air inlet of the evaporator, the first temperature sensor being configured to acquire an inlet temperature of the evaporator;
the second temperature sensor is connected with the control device and arranged at the air outlet of the evaporator, and the second temperature sensor is configured to acquire the outlet temperature of the evaporator.
8. A refrigeration apparatus, comprising:
a refrigeration compartment;
the refrigeration system of claim 6 or 7, configured to supply cold into the refrigeration compartment.
9. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out a method of controlling a refrigeration system according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010034490.2A CN111189296B (en) | 2020-01-14 | 2020-01-14 | Control method of refrigeration system, refrigeration equipment and storage medium |
Applications Claiming Priority (1)
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| CN112690199A (en) * | 2021-02-01 | 2021-04-23 | 深圳市蔬心宝科技有限公司 | Nutrient solution refrigeration control method, control device and storage medium |
| CN112984949B (en) * | 2021-03-16 | 2022-08-05 | 长虹美菱股份有限公司 | Noise control method of variable frequency refrigerator |
| CN115200287A (en) * | 2021-04-13 | 2022-10-18 | 合肥美的电冰箱有限公司 | Control method and device of compressor and refrigeration equipment |
| CN113915906A (en) * | 2021-08-25 | 2022-01-11 | 海信（山东）冰箱有限公司 | Refrigerator and control method for flow valve of refrigerator |
| CN113758116B (en) * | 2021-09-30 | 2022-07-29 | 珠海格力电器股份有限公司 | Refrigeration control method and device after defrosting of refrigerator, controller and refrigerator |
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| JPS61178216A (en) * | 1985-02-01 | 1986-08-09 | Sanden Corp | Control unit for variable displacement compressor in air conditioner for vehicles |
| US6109048A (en) * | 1999-01-20 | 2000-08-29 | Samsung Electronics Co., Ltd. | Refrigerator having a compressor with variable compression capacity |
| JP2004019949A (en) * | 2002-06-12 | 2004-01-22 | Sharp Corp | Refrigerator |
| KR20100077946A (en) * | 2008-12-29 | 2010-07-08 | 위니아만도 주식회사 | Device for keeping constant temperature in kimchi refrigerator and control method thereof |
| CN204853716U (en) * | 2015-07-23 | 2015-12-09 | 珠海市金诚科技有限公司 | New energy automobile variable frequency air conditioner system through dynamic super -heated rate of PLC control |
| CN105180351B (en) * | 2015-08-07 | 2017-12-22 | 美的集团武汉制冷设备有限公司 | Air-conditioner control method and air conditioner |
| CN105258449B (en) * | 2015-11-05 | 2018-04-20 | 青岛海尔股份有限公司 | Using the refrigerator and its control method of linear compressor |
| CN108088143B (en) * | 2017-11-21 | 2021-02-05 | 广州美的华凌冰箱有限公司 | Fan operation control method, control device, refrigeration equipment and storage medium |
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