CN115289639A - Control method, device, equipment and medium for fluorine pump air conditioner - Google Patents
Control method, device, equipment and medium for fluorine pump air conditioner Download PDFInfo
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- CN115289639A CN115289639A CN202211192870.4A CN202211192870A CN115289639A CN 115289639 A CN115289639 A CN 115289639A CN 202211192870 A CN202211192870 A CN 202211192870A CN 115289639 A CN115289639 A CN 115289639A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The application discloses a control method, a control device, control equipment and a control medium of a fluorine pump air conditioner, which belong to the technical field of air conditioning equipment, and the method comprises the following steps: if the current environment temperature of the fluorine pump air conditioner is lower than the preset temperature value, starting a fluorine pump refrigeration mode of the fluorine pump air conditioner, and determining a first return air temperature of the fluorine pump air conditioner at the current moment; when the fluorine pump refrigeration mode is started for a preset time, determining a second return air temperature of the fluorine pump air conditioner at the current moment; if the fluorine pump refrigeration mode does not meet the field refrigeration requirement of the fluorine pump air conditioner according to the first return air temperature and the second return air temperature, starting a compressor refrigeration mode of the fluorine pump air conditioner, determining the load power of the fluorine pump air conditioner at the current moment, and simultaneously detecting the current environment temperature of the fluorine pump air conditioner in real time to obtain a target temperature value; and if the fluorine pump refrigerating capacity of the fluorine pump air conditioner is determined to be larger than the load power according to the target temperature value, starting a fluorine pump refrigerating mode. The method can further improve the working energy efficiency of the fluorine pump air conditioner.
Description
Technical Field
The invention relates to the technical field of air conditioning equipment, in particular to a control method, a control device, control equipment and a control medium for a fluorine pump air conditioner.
Background
The fluorine pump air conditioner is a dual-mode air conditioner device with a compressor refrigeration mode and a fluorine pump refrigeration mode. The fluorine pump air conditioner is provided with a fluorine pump air conditioner and a compressor, wherein the compressor refrigeration mode provides refrigeration capacity for the fluorine pump air conditioner through the circulating flow of refrigerant vapor in the system, and the fluorine pump refrigeration mode provides refrigeration capacity for the fluorine pump air conditioner by utilizing a natural cold source in the external environment, so that the fluorine pump refrigeration mode can effectively reduce the energy consumption of the fluorine pump air conditioner.
In the prior art, in order to ensure that a fluorine pump air conditioner can provide a refrigeration constant-temperature and constant-humidity operating environment for places such as a machine room data center and the like and reduce the energy consumption of the fluorine pump air conditioner, a fluorine pump refrigeration mode and a compressor refrigeration mode of the fluorine pump air conditioner are generally used in a mixed manner to dissipate heat for the machine room data center. It is now common to switch between the fluorine pump cooling mode and the compressor cooling mode of a fluorine pump air conditioner depending on the temperature of the outdoor environment of the fluorine pump air conditioner. However, the method cannot adjust the refrigeration mode of the fluorine pump air conditioner according to the field refrigeration requirement of the fluorine pump air conditioner, so that the situation that the field refrigeration requirement of the fluorine pump air conditioner is not very high, but the fluorine pump air conditioner uses the compressor refrigeration mode to refrigerate and radiate heat for a machine room data center occurs under the control strategy, and thus the working energy efficiency of the fluorine pump air conditioner is greatly reduced. At present, no effective solution exists for the technical problem.
Disclosure of Invention
In view of the above, the present invention provides a method, an apparatus, a device and a medium for controlling a fluorine pump air conditioner, so as to further improve the working energy efficiency of the fluorine pump air conditioner. The specific scheme is as follows:
a control method of a fluorine pump air conditioner comprises the following steps:
if the current environment temperature of the fluorine pump air conditioner is lower than a preset temperature value, starting a fluorine pump refrigeration mode of the fluorine pump air conditioner, and determining a first return air temperature of the fluorine pump air conditioner at the current moment;
when the fluorine pump refrigeration mode is started for a preset time, determining a second return air temperature of the fluorine pump air conditioner at the current moment;
if the fluorine pump refrigeration mode does not meet the field refrigeration requirement of the fluorine pump air conditioner according to the first return air temperature and the second return air temperature, starting a compressor refrigeration mode of the fluorine pump air conditioner, determining the load power of the fluorine pump air conditioner at the current moment, and simultaneously detecting the current environment temperature of the fluorine pump air conditioner in real time to obtain a target temperature value;
and if the fluorine pump refrigerating capacity of the fluorine pump air conditioner is determined to be larger than the load power according to the target temperature value, starting the fluorine pump refrigerating mode.
Preferably, the preset temperature value is a temperature value set according to energy efficiency of the fluorine pump refrigeration mode and the compressor refrigeration mode.
Preferably, the method further comprises the following steps:
and if the second return air temperature is greater than or equal to the first return air temperature, judging that the fluorine pump refrigeration mode does not meet the field refrigeration requirement of the fluorine pump air conditioner.
Preferably, the method further comprises the following steps:
determining a target difference value between the first return air temperature and the second return air temperature, and determining a ratio between the target difference value and the preset time length to obtain a target change rate;
and if the target change rate is smaller than a preset change rate, judging that the fluorine pump refrigeration mode does not meet the field refrigeration requirement of the fluorine pump air conditioner.
Preferably, if it is determined that the fluorine pump refrigeration capacity of the fluorine pump air conditioner is greater than the load power according to the target temperature value, the process of starting the fluorine pump refrigeration mode includes:
if the fluorine pump refrigerating capacity of the fluorine pump air conditioner is determined to be larger than the load power according to the target temperature value and the target curve, starting a fluorine pump refrigerating mode; the target curve is a curve obtained by fitting corresponding fluorine pump refrigerating capacity at different environmental temperatures when the fluorine pump air conditioner starts the fluorine pump refrigerating mode.
Preferably, the process of determining the load power of the fluorine pump air conditioner at the current moment includes:
determining the load power of the fluorine pump air conditioner at the current moment according to a target model; wherein the expression of the target model is:
in the formula (I), the compound is shown in the specification,
for the purpose of the power of the load,
is the specific heat capacity of the air,
as a function of the air volume of the fluorine pump air conditioner,
is the density of the air, and is,
is the first return air temperature and is,
is the second return air temperature and is,
the time is the preset time length and is the time length,
the refrigerating capacity of the fluorine pump air conditioner is corresponding to the target ambient temperature when the fluorine pump refrigerating mode is started, and the target ambient temperature is the ambient temperature corresponding to the starting of the compressor refrigerating mode.
Preferably, the air volume function of the fluorine pump air conditioner
The air quantity is obtained by fitting the rotating speed of a fan of the fluorine pump air conditioner and the output air quantity.
Correspondingly, the invention also discloses a control device of the fluorine pump air conditioner, which comprises the following components:
the fluorine pump starting module is used for starting a fluorine pump refrigeration mode of the fluorine pump air conditioner and determining a first return air temperature of the fluorine pump air conditioner at the current moment if the current environment temperature of the fluorine pump air conditioner is less than a preset temperature value;
the temperature determining module is used for determining a second return air temperature of the fluorine pump air conditioner at the current moment when the fluorine pump refrigerating mode is started for a preset time;
the load determining module is used for starting a compressor refrigeration mode of the fluorine pump air conditioner and determining the load power of the fluorine pump air conditioner at the current moment if the fluorine pump refrigeration mode is determined to not meet the field refrigeration requirement of the fluorine pump air conditioner according to the first return air temperature and the second return air temperature, and simultaneously detecting the current environment temperature of the fluorine pump air conditioner in real time to obtain a target temperature value;
and the refrigeration adjusting module is used for starting the fluorine pump refrigeration mode if the fluorine pump refrigeration capacity of the fluorine pump air conditioner is determined to be larger than the load power according to the target temperature value.
Correspondingly, the invention also discloses a control device of the fluorine pump air conditioner, which comprises the following components:
a memory for storing a computer program;
a processor for implementing the steps of a method for controlling a fluorine pump air conditioner as disclosed in the foregoing when executing the computer program.
Accordingly, the present invention also discloses a computer readable storage medium having a computer program stored thereon, which, when being executed by a processor, implements the steps of a method for controlling a fluorine pump air conditioner as disclosed in the foregoing.
Therefore, in the invention, when the current environment temperature of the fluorine pump air conditioner is less than the preset temperature value, firstly, the fluorine pump refrigeration mode of the fluorine pump air conditioner is started, and the first return air temperature of the fluorine pump air conditioner at the current moment is determined; if the fluorine pump refrigeration mode is started for a preset time, determining a second return air temperature of the fluorine pump air conditioner at the current moment; if the fluorine pump refrigeration mode does not meet the field refrigeration requirement of the fluorine pump air conditioner according to the first return air temperature and the second return air temperature of the fluorine pump air conditioner, starting a compressor refrigeration mode of the fluorine pump air conditioner, determining the load power of the fluorine pump air conditioner at the current moment, and simultaneously detecting the current environment temperature of the fluorine pump air conditioner in real time to obtain a target temperature value; and if the fluorine pump refrigerating capacity of the fluorine pump air conditioner is determined to be larger than the load power according to the target temperature value, starting a fluorine pump refrigerating mode. Compared with the prior art, the method can adjust and switch the refrigeration mode of the fluorine pump air conditioner in real time according to the field refrigeration requirement of the fluorine pump air conditioner and the change of the external environment temperature, so that the fluorine pump refrigeration mode can be used to the maximum extent to provide corresponding refrigeration capacity for the fluorine pump air conditioner, the running time of the fluorine pump refrigeration mode in the fluorine pump air conditioner can be greatly prolonged, and the working energy efficiency of the fluorine pump air conditioner is remarkably improved. Correspondingly, the control device, the equipment and the medium of the fluorine pump air conditioner have the beneficial effects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a flowchart of a control method of a fluorine pump air conditioner according to an embodiment of the present invention;
fig. 2 is a structural diagram of a control device of a fluorine pump air conditioner according to an embodiment of the present invention;
fig. 3 is a structural diagram of a control device of a fluorine pump air conditioner according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a flowchart of a control method of a fluorine pump air conditioner according to an embodiment of the present invention, the method including:
step S11: if the current environment temperature of the fluorine pump air conditioner is lower than the preset temperature value, starting a fluorine pump refrigeration mode of the fluorine pump air conditioner, and determining a first return air temperature of the fluorine pump air conditioner at the current moment;
step S12: when the fluorine pump refrigeration mode is started for a preset time, determining a second return air temperature of the fluorine pump air conditioner at the current moment;
step S13: if the fluorine pump refrigeration mode does not meet the field refrigeration requirement of the fluorine pump air conditioner according to the first return air temperature and the second return air temperature, starting a compressor refrigeration mode of the fluorine pump air conditioner, determining the load power of the fluorine pump air conditioner at the current moment, and simultaneously detecting the current environment temperature of the fluorine pump air conditioner in real time to obtain a target temperature value;
step S14: and if the fluorine pump refrigerating capacity of the fluorine pump air conditioner is determined to be larger than the load power according to the target temperature value, starting a fluorine pump refrigerating mode.
In this embodiment, a new method for controlling a fluorine pump air conditioner is provided, and the method is used to switch and control a fluorine pump refrigeration mode and a compressor refrigeration mode of the fluorine pump air conditioner, so that the work energy efficiency of the fluorine pump air conditioner can be significantly improved.
In the control method, the environmental temperature of the fluorine pump air conditioner is detected, if the current environmental temperature of the fluorine pump air conditioner is lower than a preset temperature value, the energy efficiency of the fluorine pump refrigeration mode of the fluorine pump air conditioner is higher than that of the compressor refrigeration mode, and at the moment, the fluorine pump refrigeration mode of the fluorine pump air conditioner can be started. The preset temperature value is a temperature value set according to the energy efficiency of the fluorine pump refrigeration mode and the compressor refrigeration mode of the fluorine pump air conditioner. Specifically, in this embodiment, the preset temperature value refers to a temperature value corresponding to the energy efficiency of the fluorine pump refrigeration mode in the fluorine pump air conditioner being greater than the energy efficiency of the compressor refrigeration mode, and the preset temperature value is generally set to be 15 ℃ by default.
After the fluorine pump refrigeration mode of the fluorine pump air conditioner is started, the first return air temperature of the fluorine pump air conditioner at the current moment is required to be detected. After the fluorine pump refrigeration mode of the fluorine pump air conditioner is started for the preset time, the second return air temperature of the fluorine pump air conditioner at the current moment is required to be determined. It can be thought that whether the fluorine pump refrigeration mode meets the field refrigeration requirement of the fluorine pump air conditioner can be determined according to the first return air temperature and the second return air temperature corresponding to the fluorine pump air conditioner at two moments. If the fluorine pump refrigeration mode can meet the field refrigeration requirement of the fluorine pump air conditioner according to the first return air temperature and the second return air temperature of the fluorine pump air conditioner, the fluorine pump refrigeration mode of the fluorine pump air conditioner can be continuously started at the moment.
If the fluorine pump refrigeration mode cannot meet the field refrigeration requirement of the fluorine pump air conditioner according to the first return air temperature and the second return air temperature of the fluorine pump air conditioner, the situation that the field refrigeration requirement of the fluorine pump air conditioner cannot be met by using a natural cold source in the external environment is shown. In this case, the compressor cooling mode of the fluorine pump air conditioner needs to be turned on to provide a cooling source for the fluorine pump air conditioner.
When the compressor refrigeration mode of the fluorine pump air conditioner is started, the load power of the fluorine pump air conditioner at the current moment needs to be determined, and meanwhile, the current environment temperature of the fluorine pump air conditioner needs to be detected to obtain a target temperature value. If the fluorine pump refrigerating capacity of the fluorine pump air conditioner is determined to be larger than the load power of the fluorine pump air conditioner according to the target temperature value, the situation that the field refrigerating requirement of the fluorine pump air conditioner can be completely met by utilizing the fluorine pump refrigerating mode of the fluorine pump air conditioner is indicated, and then the operation mode of the fluorine pump air conditioner can be switched to the fluorine pump refrigerating mode from the compressor refrigerating mode at the moment.
The method is characterized in that the fluorine pump air conditioner is switched from the compressor refrigeration mode to the fluorine pump refrigeration mode according to the on-site refrigeration requirement of the fluorine pump air conditioner, and the ambient temperature corresponding to the switching of the fluorine pump air conditioner from the compressor refrigeration mode to the fluorine pump refrigeration mode is adjusted and corrected in real time. Therefore, the fluorine pump air conditioner can meet the field refrigeration requirement of the fluorine pump air conditioner by using the fluorine pump refrigeration mode to the maximum extent, and the running time of the fluorine pump refrigeration mode in the fluorine pump air conditioner is prolonged relatively. Obviously, the operating energy efficiency of the fluorine pump air conditioner can be obviously improved in the arrangement mode.
Compared with the prior art that the fluorine pump air conditioner can only switch the fluorine pump refrigeration mode and the compressor refrigeration mode according to a fixed environmental temperature value, the control method provided by the embodiment can adjust and switch the refrigeration mode of the fluorine pump air conditioner in real time according to the field refrigeration requirement of the fluorine pump air conditioner and the change of the external environmental temperature, so that the fluorine pump refrigeration mode can be used to the maximum extent to provide corresponding refrigeration capacity for the fluorine pump air conditioner, and the running time of the fluorine pump refrigeration mode in the fluorine pump air conditioner can be prolonged relatively. Obviously, the working energy efficiency of the fluorine pump air conditioner can be obviously improved by the method.
As can be seen, in this embodiment, when the current ambient temperature of the fluorine pump air conditioner is less than the preset temperature value, the fluorine pump refrigeration mode of the fluorine pump air conditioner is started first, and the first return air temperature of the fluorine pump air conditioner at the current time is determined; if the fluorine pump refrigeration mode is started for a preset time, determining a second return air temperature of the fluorine pump air conditioner at the current moment; if the fluorine pump refrigeration mode does not meet the field refrigeration requirement of the fluorine pump air conditioner according to the first return air temperature and the second return air temperature of the fluorine pump air conditioner, starting a compressor refrigeration mode of the fluorine pump air conditioner, determining the load power of the fluorine pump air conditioner at the current moment, and simultaneously detecting the current environment temperature of the fluorine pump air conditioner in real time to obtain a target temperature value; and if the fluorine pump refrigerating capacity of the fluorine pump air conditioner is determined to be larger than the load power according to the target temperature value, starting a fluorine pump refrigerating mode. Compared with the prior art, the method can adjust and switch the refrigeration mode of the fluorine pump air conditioner in real time according to the field refrigeration requirement of the fluorine pump air conditioner and the change of the external environment temperature, so that the fluorine pump refrigeration mode can be used to the maximum extent to provide corresponding refrigeration capacity for the fluorine pump air conditioner, the running time of the fluorine pump refrigeration mode in the fluorine pump air conditioner can be greatly prolonged, and the working energy efficiency of the fluorine pump air conditioner is remarkably improved.
Based on the foregoing embodiment, this embodiment further describes and optimizes the technical solution, and as a preferred implementation, the control method further includes:
and if the second return air temperature is greater than or equal to the first return air temperature, judging that the fluorine pump refrigeration mode does not meet the field refrigeration requirement of the fluorine pump air conditioner.
In this embodiment, in the process of determining whether the fluorine pump refrigeration mode satisfies the on-site refrigeration requirement of the fluorine pump air conditioner, the first return air temperature and the second return air temperature may be compared to determine whether the fluorine pump refrigeration mode satisfies the on-site refrigeration requirement of the fluorine pump air conditioner. Specifically, if the second return air temperature is lower than the first return air temperature, the fluorine pump refrigeration mode meets the field refrigeration requirement of the fluorine pump air conditioner. And if the second return air temperature is greater than or equal to the first return air temperature, the fluorine pump refrigeration mode does not meet the field refrigeration requirement of the fluorine pump air conditioner.
It should be noted that, in practical applications, the preset time, the first return air temperature, and the second return air temperature may be adaptively adjusted and modified according to the model of the fluorine pump air conditioner, the on-site refrigeration requirement of the fluorine pump air conditioner, and the ambient temperature of the fluorine pump air conditioner, which are not described herein in detail.
Alternatively, the control method further includes:
determining a target difference value between the first return air temperature and the second return air temperature, and determining a ratio between the target difference value and a preset time length to obtain a target change rate;
and if the target change rate is smaller than the preset change rate, judging that the fluorine pump refrigeration mode does not meet the field refrigeration requirement of the fluorine pump air conditioner.
In practical application, whether the fluorine pump refrigeration mode meets the field refrigeration requirement of the fluorine pump air conditioner can be judged according to the change condition of the return air temperature of the fluorine pump air conditioner. That is, after obtaining the first return air temperature corresponding to the fluorine pump air conditioner when the fluorine pump refrigeration mode is started and the second return air temperature corresponding to the fluorine pump air conditioner when the fluorine pump refrigeration mode is started and the preset time duration is reached, the target difference between the first return air temperature and the second return air temperature may be calculated first, and then the ratio between the target difference and the preset time duration is calculated, so as to obtain the target change rate.
If the target change rate is greater than or equal to the preset change rate, the refrigerating capacity generated by the fluorine pump refrigerating mode can meet the field refrigerating requirement of the fluorine pump air conditioner after the fluorine pump refrigerating mode is started by the fluorine pump air conditioner; if the target change rate is smaller than the preset change rate, the refrigerating capacity generated in the fluorine pump refrigerating mode cannot meet the field refrigerating requirement of the fluorine pump air conditioner after the fluorine pump refrigerating mode is started.
Obviously, by the technical scheme provided by the embodiment, whether the fluorine pump refrigeration mode of the fluorine pump air conditioner can meet the field refrigeration requirement of the fluorine pump air conditioner can be accurately and reliably judged.
Based on the above embodiments, this embodiment further describes and optimizes the technical solution, and as a preferred implementation, the above steps: if the fluorine pump refrigerating capacity of the fluorine pump air conditioner is determined to be larger than the load power according to the target temperature value, starting a fluorine pump refrigerating mode, and the process comprises the following steps:
if the fluorine pump refrigerating capacity of the fluorine pump air conditioner is determined to be larger than the load power according to the target temperature value and the target curve, starting a fluorine pump refrigerating mode; the target curve is a curve obtained by fitting corresponding fluorine pump refrigerating capacity at different environmental temperatures according to the fluorine pump air conditioner when a fluorine pump refrigerating mode is started.
In order to quickly and accurately calculate the corresponding fluorine pump refrigerating capacity of the fluorine pump air conditioner at the target temperature value, a target curve can be fitted according to the corresponding fluorine pump refrigerating capacity of the fluorine pump air conditioner at different environmental temperatures when the fluorine pump refrigerating mode is started, and then the fluorine pump refrigerating capacity of the fluorine pump air conditioner is determined according to the target curve and the target temperature value. When the fluorine pump refrigerating capacity of the fluorine pump air conditioner is determined to be larger than the corresponding load power of the fluorine pump air conditioner when the compressor refrigerating mode is started according to the target temperature value and the target curve, the refrigerating mode of the fluorine pump air conditioner can be switched from the compressor refrigerating mode to the fluorine pump refrigerating mode.
Specifically, in this embodiment, the expression of the target curve obtained by fitting the historical operating data of the fluorine pump air conditioner in the fluorine pump refrigeration mode is as follows:
in the formula (I), the compound is shown in the specification,
the refrigerating capacity of the fluorine pump air conditioner in the refrigerating mode of the fluorine pump,
the ambient temperature of the fluorine pump air conditioner.
Obviously, the technical scheme provided by the embodiment can be used for more quickly calculating the refrigerating capacity of the fluorine pump air conditioner at the target temperature value.
Based on the above embodiment, this embodiment further describes and optimizes the technical solution, and as a preferred implementation, the above steps: the process of determining the load power of the fluorine pump air conditioner at the current moment comprises the following steps:
determining the load power of the fluorine pump air conditioner at the current moment according to the target model; wherein, the expression of the target model is as follows:
in the formula (I), the compound is shown in the specification,
is the power of the load and is,
is the specific heat capacity of the air,
as a function of the air volume of the fluorine pump air conditioner,
is the density of the air, and is,
is the first return air temperature of the air conditioner,
the temperature of the air is the second return air temperature,
the time is a preset time length,
the refrigerating capacity of the fluorine pump air conditioner is corresponding to the target ambient temperature when the fluorine pump refrigerating mode is started, and the target ambient temperature is the ambient temperature corresponding to the starting of the compressor refrigerating mode.
In this embodiment, the load power corresponding to the fluorine pump air conditioner when the compressor cooling mode is turned on is determined according to the target model. That is, as long as the specific heat capacity of air is adjusted
Air volume function of fluorine pump air conditioner
Air density
First return air temperature
Second return air temperature
A preset time period
And the refrigerating capacity corresponding to the target ambient temperature when the fluorine pump air conditioner is in the fluorine pump starting mode
And the load power corresponding to the fluorine pump air conditioner in the mode of starting the compressor can be output and obtained by inputting the load power into the target model.
The method can avoid the influence of human factors on the calculated value of the load power by determining the load power corresponding to the fluorine pump air conditioner when the compressor refrigeration mode is started through a mathematical model, so that the load power corresponding to the fluorine pump air conditioner when the compressor is started can be determined more accurately and reliably.
Specifically, air volume function of fluorine pump air conditioner
The method is obtained by fitting the rotating speed of a fan of the fluorine pump air conditioner and the output air quantity. It can be understood that the fluorine pump air conditioner corresponds to an output air volume corresponding to the fluorine pump air conditioner at different fan rotating speeds, so that the air volume function of the fluorine pump air conditioner can be fitted according to the fan rotating speed and the output air volume of the fluorine pump air conditioner
. In the present embodiment, the expression of the air volume function of the fluorine pump air conditioner is:
in the formula (I), the compound is shown in the specification,
as a function of the air volume of the fluorine pump air conditioner,
the fan speed of the fluorine pump air conditioner.
In addition, in practical application, the target curve, the target model and the air volume function of the fluorine pump air conditioner can be directly stored in the fluorine pump air conditioner, so that the complicated process of calling the function model from other storage positions can be avoided, and the regulation speed during the regulation and control of the refrigeration mode of the fluorine pump air conditioner can be further improved.
Obviously, by the technical scheme provided by the embodiment, the load power corresponding to the fluorine pump air conditioner when the compressor refrigeration mode is started can be accurately and reliably determined.
Referring to fig. 2, fig. 2 is a structural diagram of a control device of a fluorine pump air conditioner according to an embodiment of the present invention, the device including:
the fluorine pump starting module 21 is used for starting a fluorine pump refrigeration mode of the fluorine pump air conditioner and determining a first return air temperature of the fluorine pump air conditioner at the current moment if the current environment temperature of the fluorine pump air conditioner is less than a preset temperature value;
the temperature determining module 22 is used for determining a second return air temperature of the fluorine pump air conditioner at the current moment when the fluorine pump refrigerating mode is started for a preset time length;
the load determining module 23 is configured to, if it is determined according to the first return air temperature and the second return air temperature that the fluorine pump refrigeration mode does not meet the field refrigeration requirement of the fluorine pump air conditioner, start a compressor refrigeration mode of the fluorine pump air conditioner, determine a load power of the fluorine pump air conditioner at the current moment, and detect a current ambient temperature of the fluorine pump air conditioner in real time to obtain a target temperature value;
and the refrigeration adjusting module 24 is used for starting a fluorine pump refrigeration mode if the fluorine pump refrigeration capacity of the fluorine pump air conditioner is determined to be larger than the load power according to the target temperature value.
The control device of the fluorine pump air conditioner provided by the embodiment of the invention has the beneficial effects of the control method of the fluorine pump air conditioner disclosed by the embodiment of the invention.
Referring to fig. 3, fig. 3 is a structural diagram of a control apparatus of a fluorine pump air conditioner according to an embodiment of the present invention, the apparatus includes:
a memory 31 for storing a computer program;
the processor 32 is configured to execute the computer program to implement the steps of the control method of the fluorine pump air conditioner as disclosed above.
The control equipment of the fluorine pump air conditioner provided by the embodiment of the invention has the beneficial effects of the control method of the fluorine pump air conditioner disclosed by the embodiment of the invention.
Correspondingly, the embodiment of the invention also discloses a computer readable storage medium, wherein a computer program is stored on the computer readable storage medium, and when the computer program is executed by a processor, the steps of the control method of the fluorine pump air conditioner are realized.
The computer-readable storage medium provided by the embodiment of the invention has the beneficial effects of the control method of the fluorine pump air conditioner disclosed in the foregoing.
In the present specification, the embodiments are described in a progressive manner, and each embodiment focuses on differences from other embodiments, and the same or similar parts between the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The above detailed description is provided for the control method, apparatus, device and medium of a fluorine pump air conditioner, and the principle and implementation of the present invention are explained by applying specific examples, and the description of the above examples is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A method of controlling a fluorine pump air conditioner, comprising:
if the current environment temperature of the fluorine pump air conditioner is lower than a preset temperature value, starting a fluorine pump refrigeration mode of the fluorine pump air conditioner, and determining a first return air temperature of the fluorine pump air conditioner at the current moment;
when the fluorine pump refrigeration mode is started for a preset time, determining a second return air temperature of the fluorine pump air conditioner at the current moment;
if the fluorine pump refrigeration mode does not meet the field refrigeration requirement of the fluorine pump air conditioner according to the first return air temperature and the second return air temperature, starting a compressor refrigeration mode of the fluorine pump air conditioner, determining the load power of the fluorine pump air conditioner at the current moment, and simultaneously detecting the current environment temperature of the fluorine pump air conditioner in real time to obtain a target temperature value;
and if the fluorine pump refrigerating capacity of the fluorine pump air conditioner is determined to be larger than the load power according to the target temperature value, starting the fluorine pump refrigerating mode.
2. The control method according to claim 1, wherein the preset temperature value is a temperature value set according to energy efficiency of the fluorine pump cooling mode and the compressor cooling mode.
3. The control method according to claim 1, characterized by further comprising:
and if the second return air temperature is greater than or equal to the first return air temperature, judging that the fluorine pump refrigeration mode does not meet the field refrigeration requirement of the fluorine pump air conditioner.
4. The control method according to claim 1, characterized by further comprising:
determining a target difference value between the first return air temperature and the second return air temperature, and determining a ratio between the target difference value and the preset time length to obtain a target change rate;
and if the target change rate is smaller than a preset change rate, judging that the fluorine pump refrigeration mode does not meet the field refrigeration requirement of the fluorine pump air conditioner.
5. The control method according to claim 1, wherein the process of starting the fluorine pump refrigeration mode if it is determined that the fluorine pump refrigeration capacity of the fluorine pump air conditioner is greater than the load power according to the target temperature value includes:
if the fluorine pump refrigerating capacity of the fluorine pump air conditioner is determined to be larger than the load power according to the target temperature value and the target curve, starting a fluorine pump refrigerating mode; the target curve is a curve obtained by fitting corresponding fluorine pump refrigerating capacity at different environmental temperatures when the fluorine pump air conditioner starts the fluorine pump refrigerating mode.
6. The control method according to any one of claims 1 to 5, wherein the process of determining the load power of the fluorine pump air conditioner at the current moment comprises:
determining the load power of the fluorine pump air conditioner at the current moment according to a target model; wherein the expression of the target model is:
in the formula (I), the compound is shown in the specification,
for the purpose of the power of the load,
is the specific heat capacity of the air,
as a function of the air volume of the fluorine pump air conditioner,
in order to be the density of the air,
is the first return air temperature and is,
is the temperature of the second return air temperature,
the time is the preset time length,
the refrigerating capacity of the fluorine pump air conditioner is corresponding to the target ambient temperature when the fluorine pump refrigerating mode is started, and the target ambient temperature is the ambient temperature corresponding to the starting of the compressor refrigerating mode.
7. According to the rightThe control method according to claim 6, wherein the air volume function of the fluorine pump air conditioner
The air quantity is obtained by fitting the rotating speed of a fan of the fluorine pump air conditioner and the output air quantity.
8. A control device for a fluorine pump air conditioner, comprising:
the fluorine pump starting module is used for starting a fluorine pump refrigeration mode of the fluorine pump air conditioner and determining a first return air temperature of the fluorine pump air conditioner at the current moment if the current environment temperature of the fluorine pump air conditioner is less than a preset temperature value;
the temperature determining module is used for determining a second return air temperature of the fluorine pump air conditioner at the current moment when the fluorine pump refrigerating mode is started for a preset time;
the load determining module is used for starting a compressor refrigeration mode of the fluorine pump air conditioner and determining the load power of the fluorine pump air conditioner at the current moment if the fluorine pump refrigeration mode is determined to not meet the field refrigeration requirement of the fluorine pump air conditioner according to the first return air temperature and the second return air temperature, and simultaneously detecting the current environment temperature of the fluorine pump air conditioner in real time to obtain a target temperature value;
and the refrigeration adjusting module is used for starting the fluorine pump refrigeration mode if the fluorine pump refrigeration capacity of the fluorine pump air conditioner is determined to be larger than the load power according to the target temperature value.
9. A control apparatus of a fluorine pump air conditioner, characterized by comprising:
a memory for storing a computer program;
a processor for implementing the steps of a method of controlling a fluorine pump air conditioner as claimed in any one of claims 1 to 7 when executing said computer program.
10. A computer-readable storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of a method of controlling a fluorine pump air conditioner according to any one of claims 1 to 7.
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Application publication date: 20221104 |