CN113390206B - Air conditioner, air conditioner working method, computer device and storage medium - Google Patents
Air conditioner, air conditioner working method, computer device and storage medium Download PDFInfo
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- CN113390206B CN113390206B CN202110769777.4A CN202110769777A CN113390206B CN 113390206 B CN113390206 B CN 113390206B CN 202110769777 A CN202110769777 A CN 202110769777A CN 113390206 B CN113390206 B CN 113390206B
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/22—Disposition of valves, e.g. of on-off valves or flow control valves between evaporator and compressor
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
Abstract
The invention provides an air conditioner, an air conditioner working method, a computer device and a storage medium, wherein an adjusting branch is arranged in the air conditioner, the adjusting branch and an indoor heat exchanger are connected between a compressor and a throttling device in parallel, and the conduction of the adjusting branch and the indoor heat exchanger is respectively switched and controlled through a first valve control device and a second valve control device; the adjusting branch comprises a cold accumulation module and a liquid storage tank. According to the method, the adjusting branch is controlled according to the current temperature of the indoor heat exchanger, the refrigerant circulation quantity of the system is adjusted, the evaporation temperature is changed, and the cold accumulation module is controlled to prolong the on-off period of the air conditioner. The invention can reduce the times of starting and stopping the air conditioner during refrigeration and can adjust the indoor relative humidity.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner, an air conditioner working method, a computer device applying the air conditioner working method and a computer readable storage medium applying the air conditioner working method.
Background
When the existing fixed-frequency air conditioner operates in a refrigerating mode, the compressor is fixed in frequency and cannot be automatically adjusted, the maximum operation state is always kept, the air outlet temperature is far lower than the air dew point temperature, the windshield can be usually reduced after a room reaches a set temperature, the heat exchange of the evaporator is further reduced, and therefore the evaporation temperature can be lower and can lead to extreme dryness of indoor air after long-time operation, and the comfort experience is poor.
The existing refrigeration and humidity control technology is realized by adding an electric heater, a multistage heat exchanger and refrigeration and heating switching, the structure is complex, and the temperature change in the dehumidification process frequently causes the air conditioner to be frequently started and stopped, so that the room temperature fluctuation is caused, and the user experience effect is poor.
Disclosure of Invention
The first purpose of the invention is to provide an air conditioner which has simple structure, is convenient for reducing the times of starting and stopping the air conditioner during refrigeration and adjusting the indoor relative humidity.
The second objective of the present invention is to provide an air conditioner working method capable of reducing the number of times of starting and stopping the air conditioner during cooling and adjusting the indoor relative humidity.
The third objective of the present invention is to provide a computer device capable of reducing the number of times of starting and stopping the air conditioner during cooling and adjusting the indoor relative humidity.
It is a fourth object of the present invention to provide a computer readable storage medium that can reduce the number of times of start-up and shut-down of an air conditioner during cooling and adjust the relative humidity of a room.
In order to achieve the first purpose, the air conditioner provided by the invention comprises a compressor, a first valve control device, an indoor heat exchanger, an adjusting branch, a second valve control device and a throttling device, wherein the first end of the indoor heat exchanger and the first end of the adjusting branch are both connected with the compressor through the first valve control device; the adjusting branch comprises a cold accumulation module.
According to the scheme, the air conditioner is provided with the first valve control device, the adjusting branch and the second valve control device, the adjusting branch and the indoor heat exchanger are connected between the compressor and the throttling device in parallel, and the first valve control device and the second valve control device are used for respectively switching and controlling the conduction of the adjusting branch and the indoor heat exchanger, so that the structure is simple, the start-stop period of the air conditioner can be prolonged by using the cold accumulation module in the refrigeration state of the air conditioner, the current situation that the constant-frequency air conditioner frequently stops when reaching a temperature point to cause room temperature fluctuation is improved, and the user experience degree is improved.
In a further scheme, the cold accumulation module and the indoor heat exchanger are sequentially arranged between the air inlet and the air outlet on the indoor side.
Therefore, the cold accumulation module and the indoor heat exchanger are sequentially arranged between the air inlet and the air outlet of the indoor side, indoor air is blown out after passing through the cold accumulation module and the indoor heat exchanger, the cold accumulation module can be used for adjusting the indoor air outlet temperature, and the temperature change is avoided being overlarge.
In a further scheme, the adjusting branch circuit further comprises a liquid storage tank connected with the cold accumulation module in series.
Therefore, the adjusting branch is provided with the liquid storage tank, so that the evaporation temperature of the indoor heat exchanger can be controlled by utilizing the refrigerant of the liquid storage tank in the refrigerating state of the air conditioner, and the indoor relative humidity can be adjusted.
In a further aspect, the first valve control device and/or the second valve control device is a three-way valve.
Therefore, the first valve control device and/or the second valve control device adopt three-way valves, the structure setting can be simplified, and the control is convenient.
In order to achieve the second object, an air conditioner operating method of the present invention includes: entering a refrigeration state; when the indoor temperature is detected to be less than or equal to a first preset temperature for a first preset time and the running time of the compressor is detected to be greater than or equal to a second preset time, judging whether the current indoor heat exchanger temperature is within a target temperature range, if so, judging whether the indoor temperature is detected to be less than or equal to a second preset temperature for a third preset time, if so, controlling the first valve control device and the second valve control device to open a passage on one side of the regulating branch circuit, controlling the first valve control device and the second valve control device to close the passage on one side of the indoor heat exchanger, and entering a cold accumulation state, wherein the second preset temperature is less than the first preset temperature; and judging whether the indoor temperature is detected to be less than or equal to a third preset temperature for a fourth preset time, if so, entering a shutdown state, wherein the third preset temperature is less than the second preset temperature.
According to the scheme, in the working method of the air conditioner, when the room temperature is close to the set temperature and the temperature of the current indoor heat exchanger is in the target temperature range in the refrigeration state, the cold accumulation module of the adjusting branch is started, the cold accumulation module is used for storing cold energy, the compressor is allowed to stop after the cold accumulation of the cold accumulation module is completed and the indoor temperature is less than or equal to the third preset temperature, and meanwhile, when the air conditioner is stopped, the cold energy stored by the cold accumulation module is used for refrigeration, the air conditioner is prevented from frequently entering the start-stop state, so that the start-stop period reaching the temperature point is prolonged, the start-stop times are reduced, and the fluctuation of the indoor temperature is reduced.
In a further aspect, after the step of determining whether the current temperature of the indoor heat exchanger is within the target temperature range, the method further includes: and if the current temperature of the indoor heat exchanger is out of the target temperature range, controlling the first valve control device and the second valve control device to adjust the refrigerant circulation quantity according to the current temperature of the indoor heat exchanger.
Therefore, when the temperature of the indoor heat exchanger is out of the target temperature range, the temperature of the indoor heat exchanger needs to be adjusted, the refrigerant circulation quantity is adjusted by controlling the first valve control device and the second valve control device, the refrigerant circulation quantity of the system is adjusted, the temperature of the indoor heat exchanger is adjusted to the target temperature range, and the indoor relative humidity is adjusted.
In a further scheme, the step of controlling the first valve control device and the second valve control device to adjust the refrigerant circulation volume according to the current temperature of the indoor heat exchanger comprises the following steps: if the current temperature of the indoor heat exchanger is smaller than the lower limit value of the target temperature range, controlling the first valve control device to close a passage on one side of the indoor heat exchanger and open a passage on one side of the adjusting branch, and controlling the second valve control device to open a passage on one side of the indoor heat exchanger and close a passage on one side of the adjusting branch to enter a state of increasing refrigerants; after the refrigerant entering state exceeds a fourth preset time, controlling the first valve control device and the second valve control device to close the passage on one side of the adjusting branch, and controlling the first valve control device and the second valve control device to open the passage on one side of the indoor heat exchanger to enter a refrigerating state.
Therefore, when the temperature of the current indoor heat exchanger is smaller than the lower limit value of the target temperature range, the temperature of the current indoor heat exchanger is too low, the temperature needs to be raised, the state of increasing the refrigerant is entered, the refrigerant circulation volume is increased, the pressure of the indoor heat exchanger is increased, and the temperature is further increased.
In a further scheme, the step of controlling the first valve control device and the second valve control device to adjust the refrigerant circulation volume according to the current temperature of the indoor heat exchanger further comprises: if the temperature of the current indoor heat exchanger is larger than the upper limit value of the target temperature range, controlling a first valve control device to open a passage on one side of the indoor heat exchanger and close a passage on one side of an adjusting branch, and controlling a second valve control device to close the passage on one side of the indoor heat exchanger and open a passage on one side of the adjusting branch to enter a state of reducing refrigerants; after the refrigerant entering state is reduced for more than a fifth preset time, the first valve control device and the second valve control device are controlled to close the passage on one side of the adjusting branch, and the first valve control device and the second valve control device are controlled to open the passage on one side of the indoor heat exchanger to enter a refrigerating state.
Therefore, when the temperature of the current indoor heat exchanger is larger than the upper limit value of the target temperature range, the temperature of the current indoor heat exchanger is over high, cooling is needed, the state of reducing the refrigerant is entered, the circulating quantity of the refrigerant is reduced, the pressure of the indoor heat exchanger is reduced, and the temperature is reduced.
In a further scheme, after the step of controlling the first valve control device and the second valve control device to adjust the refrigerant circulation volume according to the current temperature of the indoor heat exchanger, the method further comprises the following steps: and judging whether the number of times of entering refrigerant quantity regulation in the current operation period exceeds a preset number, if so, executing a step of judging whether the indoor temperature is detected to be less than or equal to a second preset temperature for a third preset time.
Therefore, in order to avoid the damage of the equipment caused by long-time refrigeration work of the air conditioner, when the number of times of entering refrigerant quantity adjustment exceeds the preset number of times, the refrigerant adjustment is not carried out any more.
In a further aspect, the step of entering the shutdown state comprises: and controlling the compressor and the outdoor fan to stop, and keeping the indoor fan running.
Therefore, after the air conditioner enters the shutdown state, the indoor fan is kept running, the cold energy in the cold accumulation module is continuously output, the fluctuation of the indoor temperature is delayed, and the times of startup and shutdown are reduced.
In a further aspect, after the step of entering the shutdown state, the method further comprises: and judging whether the indoor temperature is detected to be higher than the fourth preset temperature for the sixth preset time, and if so, entering a refrigerating state.
Therefore, after the machine is stopped, the refrigeration cycle is restarted when the indoor temperature is higher than the fourth preset temperature, and the frequent starting refrigeration state is avoided.
In order to achieve the third object of the present invention, the present invention provides a computer device including a processor and a memory, wherein the memory stores a computer program, and the computer program implements the steps of the air conditioner operating method when being executed by the processor.
In order to achieve the fourth object of the present invention, the present invention provides a computer readable storage medium having a computer program stored thereon, the computer program, when executed by a controller, implementing the steps of the above-described air conditioner operating method.
Drawings
Fig. 1 is a schematic structural view of an embodiment of an air conditioner according to the present invention.
Fig. 2 is a flowchart of an embodiment of an operating method of an air conditioner according to the present invention.
Fig. 3 is a schematic switching diagram of the first valve control device and the second valve control device in a cooling state according to the embodiment of the operating method of the air conditioner of the present invention.
Fig. 4 is a schematic switch diagram of the first valve control device and the second valve control device in the cold storage state in the working method embodiment of the air conditioner of the invention.
FIG. 5 is a flowchart illustrating a step of adjusting a refrigerant circulation amount according to an embodiment of the method of the present invention.
Fig. 6 is a schematic switch diagram of the first valve control device and the second valve control device in a state of adding refrigerant according to the embodiment of the air conditioner working method of the present invention.
Fig. 7 is a schematic switch diagram of the first valve control device and the second valve control device in a state of reducing refrigerant in the embodiment of the air conditioner working method of the invention.
The invention is further explained with reference to the drawings and the embodiments.
Detailed Description
Air conditioner embodiment:
referring to fig. 1, in this embodiment, the air conditioner includes a compressor 1, an outdoor heat exchanger 2, an outdoor fan 3, a throttling device 4, an indoor heat exchanger 5, an adjusting branch 6, a first valve control device 7, a second valve control device 8, an outdoor fan 9, an indoor thermal bulb 10, and an evaporation temperature thermal bulb 11, and the compressor 1, the outdoor heat exchanger 2, the throttling device 4, the indoor heat exchanger 5, the adjusting branch 6, the first valve control device 7, and the second valve control device 8 are all connected by refrigerant pipes to form a loop.
In the embodiment, the first end of the compressor 1 is connected with the first end of the outdoor heat exchanger 2, the second end of the outdoor heat exchanger 2 is connected with the first end of the throttling device 4, the first end of the indoor heat exchanger 5 and the first end of the adjusting branch 6 are both connected with the second end of the compressor 1 through the first valve control device 7, the second end of the indoor heat exchanger 5 and the second end of the adjusting branch 6 are both connected with the second end of the throttling device 4 through the second valve control device 8, the first valve control device 7 controls the on-off of the first end of the indoor heat exchanger 5 and the compressor 1, the first valve control device 7 controls the on-off of the first end of the adjusting branch 6 and the compressor 1, the second valve control device 8 controls the on-off of the second end of the indoor heat exchanger 5 and the throttling device 4, and the second valve control means 8 controls the opening and closing of the second end of the regulating branch 6 and the throttling means 4.
The adjusting branch 6 comprises a cold accumulation module 61 and a liquid storage tank 62, the first end of the cold accumulation module 61 is connected with the first valve control device 7, the second end of the cold accumulation module 62 is connected with the first end of the liquid storage tank 62, and the second end of the liquid storage tank 62 is connected with the second valve control device 8. Of course, the positions of the cold accumulation module 61 and the liquid storage tank 62 may be interchanged. Preferably, the cold accumulation module 62 and the indoor heat exchanger 5 are sequentially arranged between the air inlet and the air outlet on the indoor side. The types of the first valve control device 7 and the second valve control device 8 may be set as needed, and in the present embodiment, the first valve control device 7 and the second valve control device 8 each employ a three-way valve. The cold storage module 61 is realized by a known cold storage module, and preferably, the phase transition temperature of the cold storage material selected by the cold storage module 61 is 13 ℃ to 15 ℃.
In addition, the indoor thermal bulb 10 is used to detect the indoor ambient temperature, and the evaporation temperature thermal bulb 11 is used to detect the temperature of the indoor heat exchanger 5.
The air conditioner of the present embodiment is a fixed-frequency air conditioner.
The embodiment of the working method of the air conditioner comprises the following steps:
the air conditioner working method of the embodiment is an application program applied to the air conditioner of the above air conditioner embodiment, and is used for performing refrigeration control on the air conditioner.
Referring to fig. 2, in the present embodiment, when the air conditioner operating method is in operation, step S1 is first executed to enter the cooling state. When the refrigerator is started, the refrigerator operates according to the indoor temperature, the outdoor temperature, the set windshield and the set temperature detected during the starting, which is a technology known by those skilled in the art and is not described herein again. Referring to fig. 3, in the cooling state, the first valve control device 7 and the second valve control device 8 are controlled to close the passage on the side of the regulating branch 6, and the first valve control device 7 and the second valve control device 8 are controlled to open the passage on the side of the indoor heat exchanger 5, so that cooling is performed by the indoor heat exchanger 5.
After the cooling state is entered, step S2 is executed to determine whether the indoor temperature is less than or equal to the first preset temperature and the compressor operation duration is greater than or equal to the second preset duration when the first preset duration is detected. The first preset time, the first preset temperature and the second preset time are preset according to experimental data, in the embodiment, the first preset temperature is determined according to a temperature set by a user, the first preset temperature is greater than the temperature set by the user, the first preset temperature is equal to the set temperature plus 1 ℃, the first preset time is two minutes, and the second preset time is thirty minutes.
If the indoor temperature is detected to be less than or equal to the first preset temperature and the compressor operation time is detected to be greater than or equal to the second preset time without meeting the duration of the first preset time, the step S2 is continuously executed to perform continuous monitoring.
When the indoor temperature is detected to be less than or equal to the first preset temperature and the compressor operation time is detected to be greater than or equal to the second preset time for the first preset time, step S3 is executed to determine whether the current indoor heat exchanger temperature is within the target temperature range. When the indoor temperature is detected to be less than or equal to the first preset temperature and the compressor operation time is detected to be greater than or equal to the second preset time continuously for the first preset time, the air conditioner is considered to enter a stable operation state and approach the temperature set by a user, the temperature of the indoor heat exchanger needs to be controlled to adjust the humidity, and therefore whether the current temperature of the indoor heat exchanger is within the target temperature range or not is judged. The target temperature range is determined according to the temperature set by the user, for example, the values of the target temperature range are as follows:
if the current indoor heat exchanger temperature is within the target temperature range, step S4 is executed to determine whether the detected indoor temperature is less than or equal to the second preset temperature for the third preset duration. The third preset time and the second preset temperature can be preset according to experimental data. In this embodiment, the second predetermined temperature is lower than the first predetermined temperature, and the second predetermined temperature is equal to the set temperature minus 1.5 ℃. The current temperature of the indoor heat exchanger is within the target temperature range, which indicates that the current temperature of the indoor heat exchanger meets the humidity control requirement, at the moment, the cold accumulation can be carried out to delay entering the shutdown state, and therefore, whether the indoor temperature is detected to be less than or equal to the second preset temperature for the third preset time needs to be judged. In this embodiment, the third preset duration is equal to the first preset duration.
If it is determined that the indoor temperature is detected to be less than or equal to the second preset temperature for the third preset time period, the step S4 is continuously executed to perform the continuous monitoring. If the indoor temperature is detected to be less than or equal to the second preset temperature for the third preset time, step S5 is executed to enter the cold storage state. When the cold storage state is entered, referring to fig. 4, the first valve control device 7 and the second valve control device 8 are controlled to open the passage on the side of the regulating branch 6, and the first valve control device 7 and the second valve control device 8 are controlled to close the passage on the side of the indoor heat exchanger 5. The cold accumulation is carried out through the cold accumulation module 61, so that the temperature of the indoor heat exchanger is increased, and the shutdown period is delayed. In order to balance the pressure, after the first valve control device 7 and the second valve control device 8 are controlled to open the passage on one side of the regulating branch 6, the first valve control device 7 and the second valve control device 8 are controlled to close the passage on one side of the indoor heat exchanger 5 after a certain time delay.
After entering the cold storage state, step S6 is executed to determine whether the room temperature is detected to be less than or equal to the third preset temperature for the fourth preset time. After entering the cold accumulation state, if the indoor temperature is detected to be less than or equal to the third preset temperature for the fourth preset time, the indoor temperature meets the temperature requirement, and refrigeration needs to be stopped.
If the indoor temperature is detected to be less than or equal to the third preset temperature for the fourth preset time period, the step S6 is continuously executed to perform continuous monitoring. And when the indoor temperature is detected to be less than or equal to the third preset temperature for the fourth preset time, executing step S7, and entering a shutdown state. When the indoor temperature reaches the temperature requirement, the air conditioner enters a shutdown state and stops refrigerating.
In this embodiment, the step of entering the shutdown state includes: the compressor 1 and the outdoor fan 3 are controlled to stop and the indoor fan 9 is kept running. After the air conditioner enters the shutdown state, the indoor fan 9 is kept running, the cold energy in the cold accumulation module 61 is continuously output, the fluctuation of the indoor temperature is delayed, and the time for entering startup refrigeration is delayed.
When the current indoor heat exchanger temperature is out of the target temperature range in step S3, step S8 is performed to control the first valve control device 7 and the second valve control device 8 to adjust the refrigerant circulation amount according to the current indoor heat exchanger temperature. And if the temperature of the current indoor heat exchanger is out of the target temperature range, the temperature of the current indoor heat exchanger does not meet the humidity control requirement, and the temperature of the indoor heat exchanger needs to be adjusted. Therefore, the first valve control device 7 and the second valve control device 8 are controlled to adjust the refrigerant circulation amount according to the current indoor heat exchanger temperature.
Referring to fig. 5, when the first valve control device 7 and the second valve control device 8 are controlled to adjust the refrigerant circulation amount according to the current temperature of the indoor heat exchanger, step S81 is first executed to determine whether the current temperature of the indoor heat exchanger is less than the lower limit of the target temperature range.
If the current indoor heat exchanger temperature is less than the lower limit value of the target temperature range, it indicates that the current indoor heat exchanger temperature is too low and temperature rise is required, so step S82 is executed to enter a refrigerant increasing state. When the refrigerant increasing state is entered, as shown in fig. 6, the first valve control device 7 is controlled to close the passage on the side of the indoor heat exchanger 5 and open the passage on the side of the adjustment branch 6, and the second valve control device 8 is controlled to open the passage on the side of the indoor heat exchanger 5 and close the passage on the side of the adjustment branch 6. At this time, the refrigerant in the accumulator 62 is drawn by the compressor 1 to circulate, thereby increasing the amount of refrigerant. When the amount of refrigerant is increased, the pressure of the indoor heat exchanger 5 is increased due to the increase of the amount of refrigerant, so that the evaporation temperature of the indoor heat exchanger 5 is increased, and the condensation of water vapor in the air is prevented.
After entering the refrigerant adding state, step S83 is executed to determine whether the refrigerant adding state exceeds a fourth preset time period. The fourth preset time period may be preset according to the experimental data, and in this embodiment, the fourth preset time period is 5 seconds. After entering the state of increasing the refrigerant, the refrigerant increase can be realized only by operating for a certain period of time, thereby realizing the effect of adjusting the evaporation temperature of the indoor heat exchanger 5. Therefore, it is necessary to determine whether the refrigerant charge state exceeds a fourth preset time period.
If the refrigerant adding state does not reach the fourth preset time period, the step S6 is continuously executed to continue the monitoring. If the state of refrigerant charge reaches the fourth predetermined time, step S84 is executed to enter the cooling state. At this time, the first valve control device 7 and the second valve control device 8 are controlled to close the passage on the side of the regulating branch 6, and the first valve control device 7 and the second valve control device 8 are controlled to open the passage on the side of the indoor heat exchanger 5.
When the current indoor heat exchanger temperature is not lower than the lower limit of the target temperature range in the step S81, it is determined that the current indoor heat exchanger temperature is higher than the upper limit of the target temperature range, and the current indoor heat exchanger temperature is too high and needs to be reduced, and the state of reducing the refrigerant is entered, so the step S85 is executed to enter the state of reducing the refrigerant. When the refrigerant reducing state is entered, as shown in fig. 7, the first valve control device 7 is controlled to open the passage on the side of the indoor heat exchanger 5 and close the passage on the side of the adjustment branch 6, and the second valve control device 8 is controlled to close the passage on the side of the indoor heat exchanger 5 and open the passage on the side of the adjustment branch 6. At this time, the refrigerant in the circulation system is stored in the accumulator 62 by the compressor 1, and the amount of the refrigerant is reduced. When the amount of refrigerant is reduced, the pressure of the indoor heat exchanger 5 is reduced due to the increase in the amount of refrigerant, and the evaporation temperature of the indoor heat exchanger 5 is reduced.
After entering the refrigerant reducing state, step S86 is executed to determine whether the refrigerant reducing state exceeds a fifth preset time period. The fifth preset time period may be preset according to the experimental data, and in this embodiment, the fifth preset time period is 10 seconds. After entering the state of reducing the refrigerant, the refrigerant reduction can be realized only by running for a certain time, so that the evaporation temperature adjusting effect of the indoor heat exchanger 5 is realized. Therefore, it is necessary to determine whether the refrigerant charge state exceeds a fifth preset time period.
If the refrigerant entering the reduced state does not reach the fifth preset time period, the step S6 is continuously executed to continue the monitoring. If the state of reducing the refrigerant reaches the fifth preset time length, step S84 is executed to enter the cooling state. At this time, the first valve control device 7 and the second valve control device 8 are controlled to close the passage on the side of the regulating branch 6, and the first valve control device 7 and the second valve control device 8 are controlled to open the passage on the side of the indoor heat exchanger 5.
In order to avoid frequent adjustment of the refrigerant circulation amount, after increasing or decreasing the refrigerant amount each time, the step S3 is executed after entering the cooling state for a target time period, in this embodiment, the target time period is 5 minutes.
After the first valve control device 7 and the second valve control device 8 are controlled to adjust the refrigerant circulation amount according to the current indoor heat exchanger temperature, step S9 is executed to determine whether the number of times of entering refrigerant amount adjustment in the current operation cycle exceeds the preset number of times. The preset times can be preset according to experimental data. In order to avoid the damage of the equipment caused by long-time refrigeration work of the air conditioner, the times of refrigerant quantity adjustment are counted every time the refrigerant circulation quantity is adjusted.
And if the number of times of entering the refrigerant quantity regulation in the current operation period does not exceed the preset number of times, returning to the step of executing S3, and continuously judging the current temperature of the indoor heat exchanger. If the number of times of entering the refrigerant quantity adjustment in the current operation period exceeds the preset number, executing step S4 to judge the cold accumulation state, and if the number of times of entering the refrigerant quantity adjustment exceeds the preset number, no refrigerant adjustment is carried out, so as to avoid the long-time refrigeration work of the air conditioner to damage the equipment.
In addition, after the shutdown state is performed in step S7, it is determined whether the indoor temperature is detected to be greater than the fourth preset temperature for the sixth preset time period, and if so, the cooling state is performed. In this embodiment, the sixth preset time period is 2 minutes, and the fourth preset temperature is equal to the set temperature plus 1.5 ℃. And if the indoor temperature is detected to be higher than the fourth preset temperature for the sixth preset time, the indoor temperature is increased, and the next refrigeration cycle is required, so that the air conditioner is controlled to reenter the refrigeration state, and the aim of refrigeration control is fulfilled.
The embodiment of the computer device comprises:
the computer device of the embodiment comprises a controller, and the steps in the working method embodiment of the air conditioner are realized when the controller executes a computer program.
For example, a computer program may be partitioned into one or more modules, which are stored in a memory and executed by a controller to implement the present invention. One or more of the modules may be a sequence of computer program instruction segments for describing the execution of a computer program in a computer device that is capable of performing certain functions.
The computer device may include, but is not limited to, a controller, a memory. Those skilled in the art will appreciate that the computer apparatus may include more or fewer components, or combine certain components, or different components, e.g., the computer apparatus may also include input-output devices, network access devices, buses, etc.
For example, the controller may be a Central Processing Unit (CPU), other general purpose controller, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, and so on. The general controller may be a microcontroller or the controller may be any conventional controller or the like. The controller is the control center of the computer device and connects the various parts of the entire computer device using various interfaces and lines.
The memory may be used to store computer programs and/or modules, and the controller may implement various functions of the computer apparatus by executing or otherwise executing the computer programs and/or modules stored in the memory and invoking data stored in the memory. For example, the memory may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function, and the like. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
Computer-readable storage medium embodiments:
the modules integrated by the computer apparatus of the above embodiments, if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable storage medium. Based on such understanding, all or part of the flow of the above embodiments of the air conditioner working method may also be implemented by a computer program instructing related hardware to complete, where the computer program may be stored in a computer readable storage medium, and when the computer program is executed by a controller, the steps of the above embodiments of the air conditioner working method may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The storage medium may include: any entity or device capable of carrying computer program code, recording medium, U.S. disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution media, and the like. It should be noted that the computer readable medium may contain other components which may be suitably increased or decreased as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, in accordance with legislation and patent practice, the computer readable medium does not include electrical carrier signals and telecommunications signals.
According to the air conditioner, the first valve control device, the adjusting branch and the second valve control device are arranged, the adjusting branch and the indoor heat exchanger are connected between the compressor and the throttling device in parallel, and the first valve control device and the second valve control device are used for respectively switching and controlling the conduction of the adjusting branch and the indoor heat exchanger.
It should be noted that the above is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept also fall within the protection scope of the present invention.
Claims (7)
1. An air conditioner working method, the air conditioner includes compressor, the first valve control device, indoor heat exchanger, adjusts the branch road, the second valve control device and throttling set, characterized by that: the first end of the indoor heat exchanger and the first end of the adjusting branch are both connected with the compressor through the first valve control device, and the second end of the indoor heat exchanger and the second end of the adjusting branch are both connected with the throttling device through the second valve control device; the adjusting branch comprises a cold accumulation module and a liquid storage tank connected with the cold accumulation module in series;
the method comprises the following steps:
entering a refrigeration state;
when the indoor temperature is detected to be less than or equal to a first preset temperature for a first preset time and the running time of the compressor is detected to be greater than or equal to a second preset time, judging whether the current indoor heat exchanger temperature is within a target temperature range;
if the current temperature of the indoor heat exchanger is out of the target temperature range, controlling the first valve control device and the second valve control device to adjust the refrigerant circulation quantity according to the current temperature of the indoor heat exchanger;
if the current temperature of the indoor heat exchanger is within a target temperature range, judging whether the indoor temperature is detected to be less than or equal to a second preset temperature for a third preset time, if so, controlling the first valve control device and the second valve control device to open a passage on one side of the adjusting branch, controlling the first valve control device and the second valve control device to close the passage on one side of the indoor heat exchanger, and entering a cold accumulation state, wherein the second preset temperature is less than the first preset temperature;
judging whether the indoor temperature is detected to be less than or equal to a third preset temperature for the fourth preset time, if so, entering a shutdown state, wherein the third preset temperature is less than the second preset temperature;
the step of controlling the first valve control device and the second valve control device to adjust the refrigerant circulation volume according to the current temperature of the indoor heat exchanger comprises the following steps: if the current temperature of the indoor heat exchanger is smaller than the lower limit value of the target temperature range, controlling the first valve control device to close a passage on one side of the indoor heat exchanger and open a passage on one side of the adjusting branch, and controlling the second valve control device to open a passage on one side of the indoor heat exchanger and close a passage on one side of the adjusting branch to enter a state of increasing refrigerants; and after the refrigerant entering state exceeds a fourth preset time, controlling the first valve control device and the second valve control device to close the passage on one side of the adjusting branch, and controlling the first valve control device and the second valve control device to open the passage on one side of the indoor heat exchanger to enter a refrigerating state.
2. The air conditioner operating method as claimed in claim 1, wherein:
the step of controlling the first valve control device and the second valve control device to adjust the refrigerant circulation amount according to the current temperature of the indoor heat exchanger further comprises:
if the current temperature of the indoor heat exchanger is larger than the upper limit value of the target temperature range, controlling the first valve control device to open a passage on one side of the indoor heat exchanger and close a passage on one side of the adjusting branch, and controlling the second valve control device to close the passage on one side of the indoor heat exchanger and open the passage on one side of the adjusting branch to enter a state of reducing refrigerants;
after the refrigerant reducing state exceeds a fifth preset time, controlling the first valve control device and the second valve control device to close the passage on one side of the adjusting branch, and controlling the first valve control device and the second valve control device to open the passage on one side of the indoor heat exchanger to enter a refrigerating state.
3. The air conditioner operating method as claimed in claim 1, wherein:
after the step of controlling the first valve control device and the second valve control device to adjust the refrigerant circulation amount according to the current temperature of the indoor heat exchanger, the method further includes:
and judging whether the number of times of entering refrigerant quantity regulation in the current operation period exceeds a preset number, if so, executing a step of judging whether the indoor temperature is detected to be less than or equal to a second preset temperature for a third preset time.
4. An operating method of an air conditioner according to any one of claims 1 to 3, characterized in that:
the cold accumulation module and the indoor heat exchanger are sequentially arranged between the air inlet and the air outlet on the indoor side;
the step of entering the shutdown state comprises:
and controlling the compressor and the outdoor fan to stop, and keeping the indoor fan running.
5. An operating method of an air conditioner according to any one of claims 1 to 3, characterized in that:
after the step of entering the shutdown state, the method further comprises:
and judging whether the indoor temperature is detected to be higher than a fourth preset temperature for the sixth preset time, and if so, entering a refrigerating state.
6. A computer device comprising a processor and a memory, wherein: the memory stores a computer program which, when executed by the processor, implements the steps of the air conditioner operation method according to any one of claims 1 to 5.
7. A computer-readable storage medium having stored thereon a computer program, characterized in that: the computer program, when executed by a controller, implements the steps of the air conditioner operating method of any one of claims 1 to 5.
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| CN114484806B (en) * | 2022-03-01 | 2024-01-16 | 青岛海尔空调器有限总公司 | Control method, control system, electronic equipment and storage medium for air conditioner sterilization |
| WO2024021600A1 (en) * | 2022-07-26 | 2024-02-01 | 广东美的制冷设备有限公司 | Ice storage air conditioner, method, apparatus, and computer readable storage medium |
| CN117255545B (en) * | 2023-11-20 | 2024-04-02 | 浙江银轮机械股份有限公司 | Bionic thermal management method |
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