CN108413580B - Air conditioner control method and device, readable storage medium and air conditioner - Google Patents
Air conditioner control method and device, readable storage medium and air conditioner Download PDFInfo
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- CN108413580B CN108413580B CN201810187638.9A CN201810187638A CN108413580B CN 108413580 B CN108413580 B CN 108413580B CN 201810187638 A CN201810187638 A CN 201810187638A CN 108413580 B CN108413580 B CN 108413580B
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
Abstract
The invention provides an air conditioner control method, which is applied to an air conditioner, wherein the air conditioner is provided with a fresh air inlet valve and an internal circulation air inlet valve, and the method comprises the following steps: acquiring indoor and outdoor temperature and humidity values; confirming a current control mode of the air conditioner; and controlling the opening degrees of the fresh air inlet valve and the internal circulation air inlet valve according to the indoor temperature value and the outdoor temperature value, the humidity value and the current control mode of the air conditioner. The invention also provides an air conditioner control device, a readable storage medium and an air conditioner. The method and the device solve the problem that the fresh air updating effect conflicts with the operation effect of the current control mode of the air conditioner when fresh air is introduced into the air conditioner, realize the accurate control of the introduction of the fresh air and improve the use experience of users.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner control method and device, a readable storage medium and an air conditioner.
Background
The air conditioner is used as an important household appliance in the life of ordinary people, and can well improve the life quality of people. However, it is generally desirable to maintain a relatively closed indoor environment when turning on the air conditioner; therefore, the indoor air is turbid, so that the user feels unsmooth breathing and uncomfortable, and the physical health of the user is affected for a long time.
The existing air conditioner can be combined with a fresh air system, and the turbidity degree of indoor air is reduced by introducing fresh air to update the indoor air; in order to ensure the updating effect, the air volume of the fresh air cannot be too small; however, the temperature and humidity of the outdoor fresh air generally have a certain difference from those of the indoor air, and the introduction of a large amount of fresh air will inevitably cause the change of the indoor air with the temperature and humidity relatively balanced, thereby affecting the operation effects (such as cooling and heating effects) of the air conditioner. For example, in hot summer, the temperature of outdoor fresh air reaches up to 30 ℃, while the indoor air in the cooling mode of the air conditioner is generally kept at about 26 ℃, and the temperature of the indoor air can be rapidly increased by introducing a large amount of high-temperature fresh air, so that the cooling effect is greatly reduced; in cold winter, the temperature of the indoor air in the heating mode of the air conditioner is also rapidly reduced due to the introduction of outdoor cold air, and the heating effect is affected. In plum rain season, the humidity of the outdoor fresh air can be far higher than that of the indoor air, and the humidity of the indoor air in the dehumidification mode of the air conditioner can greatly rise due to the introduction of the outdoor fresh air, so that the dehumidification effect is influenced.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide an air conditioner control method and device, a readable storage medium and an air conditioner, and aims to solve the problem that the fresh air updating effect conflicts with the operation effect of the current control mode of the air conditioner when fresh air is introduced into the air conditioner, realize the precise control of the introduction of the fresh air and improve the use experience of a user.
In order to achieve the above object, the present invention provides an air conditioner control method, which is applied to an air conditioner, wherein the air conditioner is provided with a fresh air inlet valve and an internal circulation air inlet valve, and the method comprises the following steps:
acquiring indoor and outdoor temperature and humidity values;
confirming a current control mode of the air conditioner;
and controlling the opening degrees of the fresh air inlet valve and the internal circulation air inlet valve according to the indoor temperature value and the outdoor temperature value, the humidity value and the current control mode of the air conditioner.
Preferably, the step of controlling the opening degrees of the fresh air inlet valve and the internal circulation air inlet valve according to the indoor and outdoor temperature values, the humidity value, and the current control mode of the air conditioner specifically includes:
when the current control mode of the air conditioner is a first type of preset mode, calculating a temperature difference value between an indoor temperature value and an outdoor temperature value;
the first type of preset mode comprises a cooling mode and a heating mode;
determining the maximum opening degree of the fresh air inlet valve corresponding to the temperature difference value according to the temperature difference value and the matching relation between the preset temperature difference value and the maximum opening degree of the fresh air inlet valve;
and controlling the opening degree of the fresh air inlet valve to be smaller than or equal to the maximum opening degree of the fresh air inlet valve.
Preferably, the step of controlling the opening degrees of the fresh air inlet valve and the internal circulation air inlet valve according to the indoor and outdoor temperature values, the humidity value, and the current control mode of the air conditioner further includes:
confirming whether the temperature difference value is larger than a preset temperature threshold value or not;
if so, determining the maximum opening degree of the internal circulation air inlet valve corresponding to the temperature difference value according to the temperature difference value and the preset matching relation between the temperature difference value and the maximum opening degree of the internal circulation air inlet valve;
and controlling the opening degree of the internal circulation air inlet valve to be smaller than or equal to the maximum opening degree of the internal circulation air inlet valve.
Preferably, the step of controlling the opening degrees of the fresh air inlet valve and the internal circulation air inlet valve according to the indoor and outdoor temperature values, the humidity value, and the current control mode of the air conditioner specifically includes:
when the current control mode of the air conditioner is a second-type preset mode, calculating a humidity difference value between an indoor humidity value and an outdoor humidity value;
the second type of preset mode comprises a humidifying mode and a dehumidifying mode;
determining the maximum opening degree of the fresh air inlet valve corresponding to the humidity difference value according to the temperature difference value and the matching relation between the preset humidity difference value and the maximum opening degree of the fresh air inlet valve;
and controlling the opening degree of the fresh air inlet valve to be smaller than or equal to the maximum opening degree of the fresh air inlet valve.
Preferably, the step of controlling the opening degrees of the fresh air inlet valve and the internal circulation air inlet valve according to the indoor and outdoor temperature values, the humidity value, and the current control mode of the air conditioner further includes:
determining whether the humidity difference value is larger than a preset humidity threshold value;
if so, determining the maximum opening of the internal circulation air inlet valve corresponding to the humidity difference according to the humidity difference and the matching relation between the preset humidity difference and the maximum opening of the internal circulation air inlet valve;
and controlling the opening degree of the internal circulation air inlet valve to be smaller than or equal to the maximum opening degree of the internal circulation air inlet valve.
Preferably, the step of controlling the opening degrees of the fresh air inlet valve and the internal circulation air inlet valve according to the indoor and outdoor temperature values, the humidity value, and the current control mode of the air conditioner further includes:
and controlling the opening change rate of the fresh air inlet valve to be maintained at a preset change rate value.
Preferably, the step of controlling the opening degrees of the fresh air inlet valve and the internal circulation air inlet valve according to the indoor and outdoor temperature values, the humidity value, and the current control mode of the air conditioner specifically includes:
and controlling the rotating speed of a fan of the air conditioner to be adjusted to a preset rotating speed range according to the indoor and outdoor temperature values, the outdoor humidity value and the current control mode of the air conditioner.
In addition, to achieve the above object, the present invention also provides an air conditioner control device including: a memory, a processor, and an air conditioner control program stored on the memory and executable on the processor, wherein:
the air conditioner control program, when executed by the processor, implements the steps of the air conditioner control method described above.
Further, to achieve the above object, the present invention also provides a readable storage medium having stored thereon an air conditioner control program, which when executed by a processor, implements the steps of the air conditioner control method as described above.
In addition, in order to achieve the above object, the present invention further provides an air conditioner including the air conditioner control device as described above.
According to the air conditioner control method and device, the readable storage medium and the air conditioner, the indoor and outdoor air difference condition is effectively and objectively reflected by calculating the indoor and outdoor temperature difference value or humidity difference value; the opening degree of the fresh air inlet and/or the internal circulation air inlet valve is determined based on the indoor and outdoor temperature difference or humidity difference, and corresponding control actions are carried out on the fresh air inlet and/or the internal circulation air inlet, so that on one hand, fresh air with certain air volume can be introduced, and the indoor air updating effect is guaranteed; on the other hand, the introduction of the fresh air can be coordinated with the control mode and the actual field operation condition of the air conditioner, so that the operation effect of the air conditioner is prevented from being influenced, the operation effect is reduced and the temperature value or the humidity value of the indoor air is prevented from deviating from the stable comfortable range before the fresh air is introduced due to the fact that the fresh air is introduced in a large amount and rapidly. Finally, the accurate control of introducing the fresh air is realized, so that the fresh air updating effect is coordinated with the operation effect of the current control mode of the air conditioner when the fresh air is introduced into the air conditioner, and the use experience of a user is improved.
Drawings
FIG. 1 is a schematic diagram of an operating environment of an air conditioner control device according to the present invention;
FIG. 2 is a schematic flow chart illustrating a control method of an air conditioner according to a first embodiment of the present invention;
fig. 3 is a detailed flowchart of step S30 of the air conditioner control method according to the first embodiment of the present invention;
fig. 4 is another detailed flowchart of step S30 of the air conditioner control method according to the first embodiment of the present invention;
FIG. 5 is a front view showing the appearance of an air conditioner according to a first embodiment of the method for controlling an air conditioner of the present invention;
FIG. 6 is a rear appearance effect diagram of the air conditioner of FIG. 5;
FIG. 7 is a block diagram of an air conditioner according to the present invention;
fig. 8 is a schematic view illustrating the air duct control of the air conditioner according to the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Because the fresh air updating effect conflicts with the air conditioner operation effect when the existing air conditioner introduces fresh air, the main solution of the embodiment of the invention is as follows: the air conditioner control method is applied to an air conditioner, the air conditioner is provided with a fresh air inlet valve and an internal circulation air inlet valve, and the method comprises the following steps: acquiring indoor and outdoor temperature and humidity values; confirming a current control mode of the air conditioner; and controlling the opening degrees of the fresh air inlet valve and the internal circulation air inlet valve according to the indoor temperature value and the outdoor temperature value, the humidity value and the current control mode of the air conditioner.
As shown in fig. 1, the air conditioner control device according to the embodiment of the present invention may be any of various computers, single-chip microcomputers, MCUs, smartphones, tablet computers, and notebook computers. As shown in fig. 1, fig. 1 is a schematic structural diagram of an operating environment of an air conditioner control device according to an embodiment of the present invention, where the operating environment may specifically include: a processor 1001, such as a CPU, a network interface 1004, a user interface 1003, a memory 1005, a communication bus 1002. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may include a Display screen (Display), an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 1005 may be a high-speed RAM memory or a non-volatile memory (e.g., a magnetic disk memory). The memory 1005 may alternatively be a storage device separate from the processor 1001.
Those skilled in the art will appreciate that the configuration of the operating environment shown in FIG. 1 does not constitute a limitation of the air conditioner control device, and may include more or fewer components than shown, or some components in combination, or a different arrangement of components.
As shown in fig. 1, the memory 1005, which is a readable storage medium, may include therein an operating system, a network communication module, a user interface module, and an air conditioner control program.
In the terminal shown in fig. 1, the network interface 1004 is mainly used for connecting to a backend server and performing data communication with the backend server; the user interface 1003 is mainly used for connecting a client (user side) and performing data communication with the client; and the processor 1001 may be configured to call the air conditioner control program stored in the memory 1005 and perform the following operations:
acquiring indoor and outdoor temperature and humidity values;
confirming a current control mode of the air conditioner;
and controlling the opening degrees of the fresh air inlet valve and the internal circulation air inlet valve according to the indoor temperature value and the outdoor temperature value, the humidity value and the current control mode of the air conditioner.
Further, the processor 1001 may call the air conditioner control program stored in the memory 1005, and also perform the following operations:
when the current control mode of the air conditioner is a first type of preset mode, calculating a temperature difference value between an indoor temperature value and an outdoor temperature value;
the first type of preset mode comprises a cooling mode and a heating mode;
determining the maximum opening degree of the fresh air inlet valve corresponding to the temperature difference value according to the temperature difference value and the matching relation between the preset temperature difference value and the maximum opening degree of the fresh air inlet valve;
and controlling the opening degree of the fresh air inlet valve to be smaller than or equal to the maximum opening degree of the fresh air inlet valve.
Further, the processor 1001 may call the air conditioner control program stored in the memory 1005, and also perform the following operations:
confirming whether the temperature difference value is larger than a preset temperature threshold value or not;
if so, determining the maximum opening degree of the internal circulation air inlet valve corresponding to the temperature difference value according to the temperature difference value and the preset matching relation between the temperature difference value and the maximum opening degree of the internal circulation air inlet valve;
and controlling the opening degree of the internal circulation air inlet valve to be smaller than or equal to the maximum opening degree of the internal circulation air inlet valve.
Further, the processor 1001 may call the air conditioner control program stored in the memory 1005, and also perform the following operations:
when the current control mode of the air conditioner is a second-type preset mode, calculating a humidity difference value between an indoor humidity value and an outdoor humidity value;
the second type of preset mode comprises a humidifying mode and a dehumidifying mode;
determining the maximum opening degree of the fresh air inlet valve corresponding to the humidity difference value according to the temperature difference value and the matching relation between the preset humidity difference value and the maximum opening degree of the fresh air inlet valve;
and controlling the opening degree of the fresh air inlet valve to be smaller than or equal to the maximum opening degree of the fresh air inlet valve.
Further, the processor 1001 may call the air conditioner control program stored in the memory 1005, and also perform the following operations:
determining whether the humidity difference value is larger than a preset humidity threshold value;
if so, determining the maximum opening of the internal circulation air inlet valve corresponding to the humidity difference according to the humidity difference and the matching relation between the preset humidity difference and the maximum opening of the internal circulation air inlet valve;
and controlling the opening degree of the internal circulation air inlet valve to be smaller than or equal to the maximum opening degree of the internal circulation air inlet valve.
Further, the processor 1001 may call the air conditioner control program stored in the memory 1005, and also perform the following operations:
and controlling the opening change rate of the fresh air inlet valve to be maintained at a preset change rate value.
Further, the processor 1001 may call the air conditioner control program stored in the memory 1005, and also perform the following operations:
and controlling the rotating speed of a fan of the air conditioner to be adjusted to a preset rotating speed range according to the indoor and outdoor temperature values, the outdoor humidity value and the current control mode of the air conditioner.
Referring to fig. 2, a first embodiment of the air conditioner control method of the present invention is applied to an air conditioner, wherein the air conditioner is provided with a fresh air inlet valve and an internal circulation air inlet valve, and the method includes the following steps:
step S10, obtaining indoor and outdoor temperature and humidity values;
in specific implementation, after the air conditioner enters various control modes to operate, the indoor and outdoor temperature values and the outdoor humidity values can be periodically and repeatedly acquired; the indoor and outdoor temperature and humidity values can be obtained after receiving related control signals of fresh air introduction (for example, after a user presses a fresh air introduction function key on a remote controller, the remote controller sends related infrared signals to a microprocessor of the air conditioner, and the microprocessor triggers the related control signals of fresh air introduction after receiving the infrared signals). The indoor and outdoor temperature values are preferably detected by temperature sensors disposed at different positions of the air conditioner, and the indoor and outdoor humidity values are preferably detected by humidity sensors disposed at different positions of the air conditioner.
Step S20, confirming the current control mode of the air conditioner;
the current control mode of the air conditioner is the current operation mode of the air conditioner, and may be a control mode defined by an air conditioner manufacturer or a control mode customized by a user, such as a heating mode, a cooling mode, a humidifying mode, and a dehumidifying mode.
And step S30, controlling the opening degree of the fresh air inlet valve and the internal circulation air inlet valve according to the indoor and outdoor temperature values, the humidity values and the current control mode of the air conditioner.
After the indoor and outdoor temperature and humidity values are obtained and the current control mode of the air conditioner is determined, accurate control operation can be performed on the premise of function realization based on fresh air introduction. For example, a temperature difference value of an indoor temperature value and an outdoor temperature value or a humidity difference value of an indoor humidity value and an outdoor humidity value is calculated based on a current control mode of the air conditioner. The temperature difference or the humidity difference is determined according to the influence degree of the temperature index and the humidity index on the current control mode and the corresponding operation effect of the air conditioner. For example, when the current control mode of the air conditioner is the heating/cooling mode, the influence degree of the temperature index is higher than that of the humidity index, and the temperature difference is preferably calculated; when the current control mode of the air conditioner is the humidification/dehumidification mode, the degree of influence by the humidity index is higher than the degree of influence by the temperature index, and at this time, the humidity difference value is preferably calculated. And further, determining the opening degree of the fresh air inlet and/or the internal circulation air inlet valve according to the temperature difference or the humidity difference. It should be noted that, the temperature difference and the humidity difference can also be calculated at the same time, and the opening degree of the fresh air inlet and/or the internal circulation air inlet valve can be comprehensively determined according to the temperature difference and the humidity difference. And further, executing corresponding control action on the fresh air opening and/or the internal circulation air opening according to the determined opening degree of the fresh air opening and/or the internal circulation air inlet valve. The fresh air inlet is used for introducing outdoor fresh air, and the internal circulation air inlet is used for realizing the internal circulation flow of indoor air-the air conditioner. For a more detailed description of the control operation, reference may be made to the following description of other embodiments of the control method of the air conditioner according to the present invention.
Specifically, the steps in the present embodiment are applied to the air conditioner shown in fig. 5 and 6. The air conditioner is a vertical type upper and lower air conditioner, which is divided into an upper part (10 in dotted line boxes A1 and A2) and a lower part (20 in dotted line boxes A2 and B2). Wherein, the upper part is independently provided with a refrigerating/heating system of the air conditioner (namely comprising a sealed refrigerating/heating circulating system consisting of a refrigerating compressor, a condenser, a capillary tube, an evaporator, an electromagnetic directional valve, a filter, a refrigerant and the like), and the upper part mainly provides refrigerating and heating functions; the lower part mainly provides air quality improving functions such as humidification, dehumidification, purification and dust removal, the back of the shell is provided with an internal circulation air inlet (such as 220-1 and 220-2) and a fresh air port 230, the front and the back of the lower part of the shell are respectively provided with an indoor air outlet (such as 210-1, 210-2, 210-3 and 210-4), and the lower part of the air conditioner is also provided with the internal circulation air inlet valve and the fresh air port valve (not shown in the figure).
When the outdoor fresh air needs to be introduced, the opening degree of the fresh air inlet valve is controlled, so that the outdoor fresh air is sucked into the room through the fresh air inlet 230 by the corresponding air quantity. When indoor air needs to be sucked, the opening of the valve of the internal circulation air inlet is controlled, so that the indoor air is sucked into the inner cavity of the lower part of the air conditioner from the indoor through the indoor air internal circulation air inlet with the corresponding air quantity. The fresh outdoor air or the indoor air is blown out to the indoor through the indoor air outlet. Therefore, the ratio of the fresh air volume to the indoor air volume is controlled, the updating effect of the fresh air on the indoor air is ensured, and the phenomenon that the actual operation effect of the air conditioner is influenced by introducing the fresh air too fast is avoided.
In the embodiment, the difference between the indoor temperature and the outdoor temperature or the difference between the indoor temperature and the outdoor humidity can effectively and objectively reflect the difference between the indoor air and the outdoor air; the opening degree of the fresh air inlet and/or the internal circulation air inlet valve is determined based on the indoor and outdoor temperature difference or humidity difference, and corresponding control actions are carried out on the fresh air inlet and/or the internal circulation air inlet, so that on one hand, fresh air with certain air volume can be introduced, and the indoor air updating effect is guaranteed; on the other hand, the introduction of the fresh air can be coordinated with the control mode and the actual field operation condition of the air conditioner, so that the operation effect of the air conditioner is prevented from being influenced, the operation effect is reduced and the temperature value or the humidity value of the indoor air is prevented from deviating from the stable comfortable range before the fresh air is introduced due to the fact that the fresh air is introduced in a large amount and rapidly. Finally, the accurate control of introducing the fresh air is realized, so that the fresh air updating effect is coordinated with the operation effect of the current control mode of the air conditioner when the fresh air is introduced into the air conditioner, and the use experience of a user is improved.
Further, as shown in fig. 3, based on the first embodiment of the air conditioner control method of the present invention, in the second embodiment of the air conditioner control method of the present invention, step S30 specifically includes:
step S31, when the current control mode of the air conditioner is a first type preset mode, calculating a temperature difference value between an indoor temperature value and an outdoor temperature value;
the first type of preset mode comprises a cooling mode, a heating mode and other control modes; understandably, the first type of preset mode is influenced by the temperature index to a higher degree than the humidity index, and the corresponding control target is the temperature index.
Step S32, determining the maximum opening degree of the fresh air inlet valve corresponding to the temperature difference value according to the temperature difference value and the matching relation between the preset temperature difference value and the maximum opening degree of the fresh air inlet valve;
wherein, the opening degree of the fresh air inlet valve is equal to the valve opening degree arranged at the fresh air inlet.
For example, assume that the temperature difference Δ T between the indoor temperature value T1 and the outdoor temperature value T2 is | T1-T4| (where the temperature difference Δ T is actually an absolute value). The matching relation between the preset temperature difference value and the maximum opening degree of the fresh air inlet valve is as follows:
when the delta T is less than 3 ℃, the maximum opening degree allowed by the fresh air inlet valve is 100 percent;
when the temperature is more than or equal to 3 ℃ and delta T is less than 5 ℃, the maximum opening degree allowed by the fresh air inlet valve is 60 percent;
when the temperature is more than or equal to 5 ℃ and delta T is less than 7 ℃, the maximum opening degree allowed by the fresh air inlet valve is 30 percent;
when the delta T is more than 7 ℃, the maximum opening degree allowed by the fresh air inlet valve is 20 percent;
at this time, the maximum opening degree of the fresh air inlet valve can be determined according to the temperature difference value delta T and the matching relation. For example, when Δ T is 4 ℃, the maximum opening degree allowed by the fresh air port valve is 60%. In practical application, in hot summer, if the indoor temperature value T1 is far higher than the outdoor temperature value T2, Δ T is large, that is, the outdoor temperature is high, and it is not suitable to introduce a large amount of outdoor fresh air at this time, so the maximum opening allowed by the fresh air inlet should be set to be a small value. In cold winter, if the indoor temperature value T1 is far lower than the outdoor temperature value T2, Δ T is large, that is, the outdoor temperature is low, and it is not desirable to introduce a large amount of outdoor fresh air at this time, so the maximum opening allowed by the fresh air inlet should also be set to a small value.
And step S33, controlling the opening degree of the fresh air inlet valve to be smaller than or equal to the maximum opening degree of the fresh air inlet valve.
The opening of the fresh air inlet valve is controlled to be smaller than or equal to the determined maximum opening of the fresh air inlet valve, so that the opening of the fresh air inlet valve is matched with the current indoor and outdoor air temperature difference condition, the temperature value of indoor air is prevented from being changed violently due to the introduction of outdoor fresh air, and the operation effect of the air conditioner is reduced.
Further, optionally, step S32 also includes:
step S34, determining whether the temperature difference is greater than a preset temperature threshold value;
step S35, if yes, determining the maximum opening of the internal circulation air inlet valve corresponding to the temperature difference according to the temperature difference and the matching relation between the preset temperature difference and the maximum opening of the internal circulation air inlet valve;
the preset temperature threshold may be set according to actual needs, for example, 5 ℃. And the opening degree of the valve of the internal circulation air inlet is equal to the opening degree of the valve arranged at the internal circulation air inlet. A preset temperature difference value and the maximum opening matching relation of an internal circulation air inlet valve are as follows:
when the temperature is higher than 5 ℃ and less than delta T and less than 6 ℃, the maximum allowable opening degree of the valve of the internal circulation air inlet is 60 percent;
when the temperature is more than or equal to 6 ℃ and delta T is less than 7 ℃, the maximum opening degree allowed by the valve of the internal circulation air inlet is 80 percent;
when the delta T is more than 7 ℃, the maximum opening degree allowed by the internal circulation air inlet valve is 100 percent.
At this time, the maximum opening degree of the inner circulation tuyere can be determined according to the temperature difference Δ T and the matching relationship.
And step S36, controlling the opening degree of the internal circulation air inlet valve to be smaller than or equal to the maximum opening degree of the internal circulation air inlet valve.
That is, when the temperature difference between the indoor air and the outdoor air is large, the inner circulation air opening is allowed to be opened, so that the mixing of the outdoor fresh air and the indoor air is realized inside the air conditioner, the larger the temperature difference is, the larger the mixed indoor air volume is, the influence of the indoor fresh air on the indoor air is buffered, and the drastic change of the temperature value of the indoor air caused by the introduction of the outdoor fresh air is favorably prevented.
In this embodiment, when the air conditioner is in the first type of control mode greatly affected by the temperature index, the indoor and outdoor temperature difference is calculated, the maximum opening of the fresh air inlet is determined according to the temperature difference, and the opening of the fresh air inlet valve is controlled to be smaller than or equal to the determined maximum opening of the fresh air inlet valve, so that the opening of the fresh air inlet valve is matched with the current indoor and outdoor air temperature difference condition, the drastic change of the temperature value of the indoor air caused by the introduction of the outdoor fresh air is prevented, and the operation effect of the air conditioner is reduced. Meanwhile, when the temperature difference between indoor air and outdoor air is large, the inner circulation air opening is allowed to be opened, the mixing of outdoor fresh air and the indoor air is realized, the influence of the indoor fresh air on the indoor air is buffered, and the drastic change of the temperature value of the indoor air caused by the introduction of the outdoor fresh air is prevented.
Further, as shown in fig. 4, based on the first embodiment of the air conditioner control method according to the present invention, in the third embodiment of the air conditioner control method according to the present invention, step S30 specifically further includes:
step S41, when the current control mode of the air conditioner is a second type preset mode, calculating a humidity difference value between an indoor humidity value and an outdoor humidity value;
the second type of preset mode comprises a cooling mode, a heating mode and other control modes; understandably, the influence degree of the second type of preset mode by the humidity index is higher than the influence degree by the temperature index, and the corresponding control target is the humidity index.
Step S42, determining the maximum opening degree of the fresh air inlet valve corresponding to the humidity difference value according to the humidity difference value and the matching relation between the preset humidity difference value and the maximum opening degree of the fresh air inlet valve;
wherein, the opening degree of the fresh air inlet valve is equal to the valve opening degree arranged at the fresh air inlet. The matching relationship between the preset humidity difference and the maximum opening of the fresh air inlet valve is similar to that of the second embodiment of the air conditioner control method, namely, the maximum opening of the fresh air inlet valve is determined according to the humidity difference and the matching relationship. In practical application, when the outdoor humidity value is far higher than the indoor temperature value in plum rain season, a large amount of outdoor fresh air with high humidity is not suitable to be introduced, and therefore the maximum opening allowed by the fresh air inlet is set to be a small value.
And step S43, controlling the opening degree of the fresh air inlet valve to be smaller than or equal to the maximum opening degree of the fresh air inlet valve.
The valve opening of the fresh air inlet is controlled to be smaller than or equal to the determined maximum opening of the fresh air inlet valve, so that the opening of the fresh air inlet valve is matched with the current indoor and outdoor air humidity difference condition, the severe change of the humidity value of indoor air caused by the introduction of outdoor fresh air is prevented, and the operation effect of the air conditioner is reduced.
Further, optionally, step S42 also includes:
step S44, determining whether the humidity difference value is greater than a preset humidity threshold value;
the preset humidity threshold may be set according to actual needs, for example, 80% (relative humidity). And the opening degree of the valve of the internal circulation air inlet is equal to the opening degree of the valve arranged at the internal circulation air inlet. A preset humidity difference delta H and the maximum opening degree of an air inlet valve of an internal circulation are matched as follows, wherein the delta H is | H1-H2| (H1 and H2 are respectively an indoor humidity value and an outdoor humidity value, and the humidity difference delta H is actually an absolute value at the moment)
When the delta H is more than or equal to 80% and less than 90%, the maximum opening degree allowed by the valve of the internal circulation air inlet is 60%;
when the delta H is more than 90 percent, the maximum opening degree allowed by the internal circulation air inlet valve is 100 percent.
At this time, the maximum opening degree of the inner circulation tuyere can be determined according to the humidity difference value Δ T and the matching relationship.
Step S45, if yes, determining the maximum opening of the internal circulation air inlet valve corresponding to the humidity difference value according to the humidity difference value and the matching relation between the preset humidity difference value and the maximum opening of the internal circulation air inlet valve;
and step S46, controlling the opening degree of the internal circulation air inlet valve to be smaller than or equal to the maximum opening degree of the internal circulation air inlet valve. That is, when the humidity difference of indoor, outdoor air is great, the permission is opened the inner loop wind gap to realize the mixture of outdoor new trend and indoor air inside the air conditioner, and the humidity difference is big more, and the indoor air amount of wind of mixture is big more, thereby the influence of buffering indoor new trend to indoor air helps preventing to lead to the drastic change of humidity value of indoor air because of the introduction of outdoor new trend.
In this embodiment, when the air conditioner is in the second type of control mode greatly affected by the humidity index, the indoor and outdoor humidity difference is calculated, the maximum opening of the fresh air inlet is determined according to the humidity difference, and the opening of the fresh air inlet valve is controlled to be smaller than or equal to the determined maximum opening of the fresh air inlet valve, so that the opening of the fresh air inlet valve is matched with the current indoor and outdoor air humidity difference condition, the severe change of the humidity value of the indoor air caused by the introduction of the outdoor fresh air is prevented, and the operation effect of the air conditioner is reduced. Meanwhile, when the humidity difference value of indoor air and outdoor air is large, the inner circulation air opening is allowed to be opened, the mixing of outdoor fresh air and the indoor air is realized, the influence of the indoor fresh air on the indoor air is buffered, and the drastic change of the humidity value of the indoor air caused by the introduction of the outdoor fresh air is prevented.
Further, based on the first embodiment of the air conditioner control method of the present invention, in the fourth embodiment of the air conditioner control method of the present invention, the step S30 specifically further includes:
and step S50, controlling the opening change rate of the fresh air inlet valve to be maintained at a preset change rate value.
In the process of introducing fresh air, the opening degree of the fresh air inlet valve is smaller than or equal to the maximum opening degree; in the change process of the opening of the fresh air port from zero to the maximum opening, the opening change rate of a fresh air port valve is not easy to be too small or too large, and the too small air volume can cause the small air volume of fresh air and slow air update rate; too large will lead to a large amount of wind to introduce fresh air, which is easy to produce severe influence on indoor air. The opening change rate of the fresh air inlet valve is controlled to be maintained at a preset change rate value, for example, 5 degrees/second, the opening of the fresh air inlet valve can be kept to change stably, severe influence on indoor air is avoided when the introduced fresh air volume reaches the basic required volume, and influence on the operation effect of the current control mode of the air conditioner is reduced.
Further, based on the first embodiment of the air conditioner control method of the present invention, in the fourth embodiment of the air conditioner control method of the present invention, the step S30 specifically further includes:
and step S60, controlling the rotating speed of a fan of the air conditioner to be adjusted to a preset rotating speed range according to the indoor and outdoor temperature values, the humidity value and the current control mode of the air conditioner.
Except for the opening degree of the fresh air inlet valve, the rotating speed of a fan of the air conditioner can also influence the introduced air quantity of fresh air. Specifically, according to the current control mode of the air conditioner, calculating the difference value of indoor and outdoor temperatures; determining the rotating speed of the fan according to the temperature difference and the matching relation between the preset temperature difference and the rotating speed of the fan, and realizing the rotating speed control of the fan; or, according to the current control mode of the air conditioner, calculating the difference value of indoor and outdoor humidity; and determining a proper rotating speed range of the fan according to the matching relation between the humidity difference value and the preset temperature difference value and the rotating speed of the fan, and realizing the rotating speed control of the fan, so that the introduced air volume of the fresh air is matched with the current control mode and the indoor and outdoor air difference conditions by controlling the rotating speed of the fan.
As shown in fig. 7, the present invention provides an air conditioner, in particular, an air conditioner with fresh air introducing function, such as a floor air conditioner. The air conditioner is provided with an air conditioner control device 10; the air conditioner is provided with a temperature sensor 20 and a humidity sensor 30, the temperature sensor 20 is used for detecting a temperature value To of outdoor air or a temperature value of indoor air, and the humidity sensor 30 is used for detecting a humidity value Ho of the outdoor air or a humidity value of the indoor air.
The temperature sensor in contact with the outdoor air is used for detecting the temperature value of the outdoor air, and the temperature sensor in contact with the indoor air is used for detecting the temperature value of the indoor air; the humidity sensor in contact with the outdoor air is used to detect a humidity value of the outdoor air, and the humidity sensor in contact with the indoor air is used to detect a humidity value of the indoor air.
In addition, optionally, the air conditioner is further provided with a fresh air stepping motor 40, a fresh air inlet valve 41, an internal circulation stepping motor 50 and an internal circulation air inlet valve 51. As shown in fig. 8, the fresh air inlet valve 41 is used for controlling the opening and closing of the fresh air duct 42; when outdoor fresh air needs to be introduced, the fresh air stepping motor 40 receives a control instruction of the air conditioner control device 10 and then adjusts the opening degree of the fresh air inlet valve 41, and the larger the opening degree of the fresh air inlet valve 41 is, the larger the introduced air volume of the fresh air is.
The internal circulation air inlet valve 51 is used for controlling the opening and closing of the internal circulation air duct 52; when the indoor air needs to be introduced, the internal circulation stepping motor 50 receives the control instruction of the air conditioner control device 10 and then adjusts the opening degree of the internal circulation air inlet valve 51 (at this time, the internal circulation mode is opened), and the larger the opening degree of the internal circulation air inlet valve 51 is, the larger the introduced air volume of the indoor air is. The introduced fresh air or outdoor air enters the interior of the air conditioner through the main air duct 60, and is blown out of the air outlet of the air conditioner through relevant processing (such as purification and humidification).
The air conditioner may be specifically a floor air conditioner as shown in fig. 5 and 6.
Furthermore, an embodiment of the present invention further provides a readable storage medium, where an air conditioner control program is stored on the readable storage medium, and when executed by a processor, the air conditioner control program implements the following operations:
acquiring indoor and outdoor temperature and humidity values;
confirming a current control mode of the air conditioner;
and controlling the opening degrees of the fresh air inlet valve and the internal circulation air inlet valve according to the indoor temperature value and the outdoor temperature value, the humidity value and the current control mode of the air conditioner.
Further, the air conditioner control program, when executed by the processor, further performs the following operations:
when the current control mode of the air conditioner is a first type of preset mode, calculating a temperature difference value between an indoor temperature value and an outdoor temperature value;
the first type of preset mode comprises a cooling mode and a heating mode;
determining the maximum opening degree of the fresh air inlet valve corresponding to the temperature difference value according to the temperature difference value and the matching relation between the preset temperature difference value and the maximum opening degree of the fresh air inlet valve;
and controlling the opening degree of the fresh air inlet valve to be smaller than or equal to the maximum opening degree of the fresh air inlet valve.
Further, the air conditioner control program, when executed by the processor, further performs the following operations:
confirming whether the temperature difference value is larger than a preset temperature threshold value or not;
if so, determining the maximum opening degree of the internal circulation air inlet valve corresponding to the temperature difference value according to the temperature difference value and the preset matching relation between the temperature difference value and the maximum opening degree of the internal circulation air inlet valve;
and controlling the opening degree of the internal circulation air inlet valve to be smaller than or equal to the maximum opening degree of the internal circulation air inlet valve.
Further, the air conditioner control program, when executed by the processor, further performs the following operations: when the current control mode of the air conditioner is a second-type preset mode, calculating a humidity difference value between an indoor humidity value and an outdoor humidity value;
the second type of preset mode comprises a humidifying mode and a dehumidifying mode;
determining the maximum opening degree of the fresh air inlet valve corresponding to the humidity difference value according to the temperature difference value and the matching relation between the preset humidity difference value and the maximum opening degree of the fresh air inlet valve;
and controlling the opening degree of the fresh air inlet valve to be smaller than or equal to the maximum opening degree of the fresh air inlet valve.
Further, the air conditioner control program, when executed by the processor, further performs the following operations:
determining whether the humidity difference value is larger than a preset humidity threshold value;
if so, determining the maximum opening of the internal circulation air inlet valve corresponding to the humidity difference according to the humidity difference and the matching relation between the preset humidity difference and the maximum opening of the internal circulation air inlet valve;
and controlling the opening degree of the internal circulation air inlet valve to be smaller than or equal to the maximum opening degree of the internal circulation air inlet valve.
Further, the air conditioner control program, when executed by the processor, further performs the following operations:
and controlling the opening change rate of the fresh air inlet valve to be maintained at a preset change rate value.
Further, the air conditioner control program, when executed by the processor, further performs the following operations:
and controlling the rotating speed of a fan of the air conditioner to be adjusted to a preset rotating speed range according to the indoor and outdoor temperature values, the outdoor humidity value and the current control mode of the air conditioner.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system 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 system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for causing a terminal device to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The control method of the air conditioner is characterized by being applied to the air conditioner, wherein the air conditioner is provided with a fresh air inlet valve and an internal circulation air inlet valve, and the method comprises the following steps:
acquiring indoor and outdoor temperature and humidity values;
confirming a current control mode of the air conditioner; the current control mode comprises a first type preset mode;
controlling the opening degrees of the fresh air inlet valve and the internal circulation air inlet valve according to the indoor temperature value and the outdoor temperature value, the humidity value and the current control mode of the air conditioner; the step of controlling the opening degrees of the fresh air inlet valve and the internal circulation air inlet valve according to the indoor and outdoor temperature values, the humidity values and the current control mode of the air conditioner specifically comprises the following steps:
when the current control mode of the air conditioner is a first type of preset mode, calculating a temperature difference value between an indoor temperature value and an outdoor temperature value;
the first type of preset mode comprises a cooling mode and a heating mode;
determining the maximum opening degree of the fresh air inlet valve corresponding to the temperature difference value according to the temperature difference value and the matching relation between the preset temperature difference value and the maximum opening degree of the fresh air inlet valve; wherein the greater the temperature difference; the smaller the maximum opening degree of the fresh air inlet valve is;
controlling the opening degree of the fresh air inlet valve to be smaller than or equal to the maximum opening degree of the fresh air inlet valve;
the current control mode further includes a second type preset mode, and the step of controlling the opening degrees of the fresh air inlet valve and the internal circulation air inlet valve according to the indoor and outdoor temperature values, the humidity value and the current control mode of the air conditioner specifically further includes:
when the current control mode of the air conditioner is a second-type preset mode, calculating a humidity difference value between an indoor humidity value and an outdoor humidity value;
the second type of preset mode comprises a humidifying mode and a dehumidifying mode;
determining the maximum opening degree of the fresh air inlet valve corresponding to the humidity difference value according to the temperature difference value and the matching relation between the preset humidity difference value and the maximum opening degree of the fresh air inlet valve;
and controlling the opening degree of the fresh air inlet valve to be smaller than or equal to the maximum opening degree of the fresh air inlet valve.
2. The method as claimed in claim 1, wherein the step of controlling the opening degrees of the fresh air inlet valve and the internal circulation air inlet valve according to the indoor and outdoor temperature values, the humidity value, and the current control mode of the air conditioner further comprises:
confirming whether the temperature difference value is larger than a preset temperature threshold value or not;
if so, determining the maximum opening degree of the internal circulation air inlet valve corresponding to the temperature difference value according to the temperature difference value and the preset matching relation between the temperature difference value and the maximum opening degree of the internal circulation air inlet valve;
and controlling the opening degree of the internal circulation air inlet valve to be smaller than or equal to the maximum opening degree of the internal circulation air inlet valve.
3. The method as claimed in claim 1, wherein the step of controlling the opening degrees of the fresh air inlet valve and the internal circulation air inlet valve according to the indoor and outdoor temperature values, the humidity value, and the current control mode of the air conditioner further comprises:
determining whether the humidity difference value is larger than a preset humidity threshold value;
if so, determining the maximum opening of the internal circulation air inlet valve corresponding to the humidity difference according to the humidity difference and the matching relation between the preset humidity difference and the maximum opening of the internal circulation air inlet valve;
and controlling the opening degree of the internal circulation air inlet valve to be smaller than or equal to the maximum opening degree of the internal circulation air inlet valve.
4. The method as claimed in any one of claims 1 to 3, wherein the step of controlling the opening degrees of the fresh air inlet valve and the internal circulation air inlet valve according to the indoor and outdoor temperature values, the humidity value, and the current control mode of the air conditioner further comprises:
and controlling the opening change rate of the fresh air inlet valve to be maintained at a preset change rate value.
5. The air conditioner controlling method as claimed in any one of claims 1 to 3, wherein the step of controlling the opening degrees of the fresh air inlet valve and the internal circulation air inlet valve according to the indoor and outdoor temperature values, the humidity value and the current control mode of the air conditioner further comprises:
and controlling the rotating speed of a fan of the air conditioner to be adjusted to a preset rotating speed range according to the indoor and outdoor temperature values, the outdoor humidity value and the current control mode of the air conditioner.
6. An air conditioner control device, comprising: a memory, a processor, and an air conditioner control program stored on the memory and executable on the processor, wherein:
the air conditioner control program, when executed by the processor, implements the steps of the air conditioner control method according to any one of claims 1 to 5.
7. A readable storage medium having stored thereon an air conditioner control program, which when executed by a processor, implements the steps of the air conditioner control method according to any one of claims 1 to 5.
8. An air conditioner characterized by comprising the air conditioner control device according to claim 6.
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| US11079130B2 (en) * | 2018-09-14 | 2021-08-03 | University Of Central Florida Research Foundation, Inc. | Weather responsive smart ventilation system using multiple optimization parameters |
| CN109708225B (en) * | 2018-12-28 | 2021-02-09 | 广东美的暖通设备有限公司 | Air conditioner, control method and device thereof and readable storage medium |
| CN110173848B (en) * | 2019-02-27 | 2021-11-02 | 青岛海尔空调电子有限公司 | Air conditioner humidification control method and device and computer storage medium |
| CN109974096B (en) * | 2019-03-28 | 2021-03-19 | 广东美的制冷设备有限公司 | Control method of air conditioner, air conditioner and computer readable storage medium |
| CN110081519B (en) * | 2019-04-29 | 2023-07-14 | 珠海格力电器股份有限公司 | Fresh air device, air conditioner indoor unit and fresh air device control method |
| CN110108000A (en) * | 2019-05-29 | 2019-08-09 | 广东美的制冷设备有限公司 | Control method, air conditioner and the computer readable storage medium of air conditioner |
| CN112283893B (en) * | 2019-07-24 | 2022-11-15 | 青岛海尔空调器有限总公司 | Method and device for controlling air conditioner and air conditioner |
| CN112443950B (en) * | 2019-09-04 | 2022-05-20 | 广东美的制冷设备有限公司 | Air conditioning system and control method and device thereof |
| CN111412596A (en) * | 2020-03-31 | 2020-07-14 | 宁波奥克斯电气股份有限公司 | Fresh air conditioner control method |
| CN111536673B (en) * | 2020-05-13 | 2021-07-27 | 广东美的制冷设备有限公司 | Control method of air conditioner, air conditioner and readable storage medium |
| CN112344534A (en) * | 2020-10-27 | 2021-02-09 | 珠海格力电器股份有限公司 | Air conditioning system control method, air conditioning system, storage medium and processor |
| CN112696737A (en) * | 2020-12-17 | 2021-04-23 | 湖南中南智能装备有限公司 | Method for controlling indoor fresh air volume by combining air conditioner and automatic window |
| CN112944645A (en) * | 2021-03-26 | 2021-06-11 | 北京小米移动软件有限公司 | Control method and device of fresh air conditioning system and fresh air conditioning system |
| CN113932418A (en) * | 2021-11-16 | 2022-01-14 | 广东百朗新风系统有限公司 | Fresh air conditioner dehumidifier and control method thereof |
| CN114608163A (en) * | 2022-02-18 | 2022-06-10 | 青岛海尔空调器有限总公司 | Fresh air device control method, control equipment, fresh air conditioner and medium |
| CN114935206B (en) * | 2022-05-11 | 2024-04-05 | 合肥美的暖通设备有限公司 | Air conditioner, control method and device thereof and readable storage medium |
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