CN107883521B - Control method of fresh air machine, fresh air machine and computer readable storage medium - Google Patents
Control method of fresh air machine, fresh air machine and computer readable storage medium Download PDFInfo
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- CN107883521B CN107883521B CN201710934409.4A CN201710934409A CN107883521B CN 107883521 B CN107883521 B CN 107883521B CN 201710934409 A CN201710934409 A CN 201710934409A CN 107883521 B CN107883521 B CN 107883521B
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Abstract
The invention discloses a control method of a fresh air fan, wherein the fresh air fan is provided with a first pressure sensor for detecting the pressure in an air duct of the fresh air fan and a second pressure sensor for detecting the pressure of an indoor environment where the fresh air fan is located, and the control method of the fresh air fan comprises the following steps: acquiring the current air duct pressure of the air duct through the first pressure sensor, and acquiring the indoor pressure of the indoor environment through the second pressure sensor; calculating a pressure difference between the duct pressure and the chamber pressure; when the pressure difference is greater than the preset threshold value, outputting prompt information to prompt a user to clean the filter screen of the fan. The invention also discloses a new fan and a computer readable storage medium. The novel fan can prompt a user to clean the filter screen according to the air duct pressure and the indoor pressure, so that the filter screen of the novel fan can be cleaned in time.
Description
Technical Field
The invention relates to the technical field of fresh air fans, in particular to a control method of a fresh air fan, the fresh air fan and a computer readable storage medium.
Background
With the improvement of health consciousness of people, the comprehensive requirements on the air environment are higher and higher. In recent years, haze influence is serious, and various fresh air fans are in charge of. The fresh air machine is an effective air purification device, can circulate indoor air, on one hand, discharges indoor dirty air outdoors, on the other hand, inputs outdoor fresh air into the room after being sterilized, disinfected, filtered and the like, so that the room is always fresh and clean air, and maintains indoor comfortable and healthy air environment.
New trend of new fan import is provided with the filter screen usually, and this filter screen is arranged in the great dust particle of filtered air, and along with the live time of filter screen increases gradually, the pollutant of accumulation on the filter screen is more, and the filter screen just loses normal filtration purification performance, needs to be changed or clean. However, the user does not know when to replace or clean the filter screen, which often causes the filter screen of the fresh air machine to be untimely cleaned, and leads to the gradual deterioration of the air filtering and purifying effect of the filter screen.
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 a control method of a fresh air fan, the fresh air fan and a computer readable storage medium, and aims to solve the technical problem that a filter screen of the existing fresh air fan is not timely cleaned.
In order to achieve the above object, the present invention provides a method for controlling a fresh air machine, where the fresh air machine is provided with a first pressure sensor for detecting a pressure in an air duct of the fresh air machine, and a second pressure sensor for detecting a pressure of an indoor environment where the fresh air machine is located, and the method for controlling the fresh air machine includes the following steps:
acquiring the current air duct pressure of the air duct through the first pressure sensor, and acquiring the indoor pressure of the indoor environment through the second pressure sensor;
calculating a pressure difference between the duct pressure and the chamber pressure;
when the pressure difference is greater than the preset threshold value, outputting prompt information to prompt a user to clean the filter screen of the fan.
Further, in an embodiment, after the step of outputting a prompt message when the pressure difference is greater than the preset threshold, the method for controlling the fresh air machine further includes:
and reducing the rotating speed of the fresh air fan.
Further, in an embodiment, the step of reducing the rotation speed of the fresh air fan includes:
acquiring the current rotating speed of the fresh air fan;
calculating a first target rotating speed based on the current rotating speed and a first preset rotating speed;
and reducing the rotating speed of the fresh air fan to the first target rotating speed.
Further, in an embodiment, after the step of calculating the pressure difference between the duct pressure and the indoor pressure, the method for controlling the fresh air machine further includes:
and when the pressure difference is smaller than the preset threshold value, increasing the rotating speed of the fresh air fan.
Further, in an embodiment, the step of increasing the rotation speed of the fresh air machine includes:
acquiring the current rotating speed of the fresh air fan;
calculating a second target rotating speed based on the current rotating speed and a second preset rotating speed;
and increasing the rotating speed of the fresh air fan to the second target rotating speed.
Further, in an embodiment, the fresh air machine is further provided with a dust sensor, and the control method of the fresh air machine further includes:
acquiring a first dust concentration of the indoor environment through the dust sensor;
determining whether the obtained first dust concentration is smaller than a preset concentration;
and when the first dust concentration is less than the preset concentration, closing the dust sensor.
Further, in an embodiment, after the step of turning off the dust sensor when the first dust concentration is less than the preset concentration, the method for controlling the fresh air machine further includes:
when the continuous duration after the dust sensor is closed is longer than the preset duration, the dust sensor is opened;
the step of obtaining a first dust concentration of the indoor environment by the dust sensor is performed.
Further, in an embodiment, after the step of determining whether the acquired first dust concentration is less than a preset concentration, the method for controlling the fresh air machine further includes:
when the first dust concentration is larger than or equal to the preset concentration, a second dust concentration of the indoor environment is obtained through the dust sensor at regular time;
and when the second dust concentration is less than the preset concentration, closing the dust sensor.
In addition, in order to achieve the above object, the present invention further provides a new fan, wherein the new fan is provided with a first pressure sensor for detecting the pressure in the air duct of the new fan, and a second pressure sensor for detecting the pressure of the indoor environment where the new fan is located; the new fan includes: the control method comprises a memory, a processor and a control program of the fresh air fan, wherein the control program of the fresh air fan is stored on the memory and can run on the processor, and when the control program of the fresh air fan is executed by the processor, the steps of the control method of the fresh air fan are realized.
In addition, to achieve the above object, the present invention further provides a computer readable storage medium, where a control program of a fresh air machine is stored, and the control program of the fresh air machine, when executed by a processor, implements the steps of the control method of the fresh air machine according to any one of the above aspects.
According to the invention, the current air duct pressure of the air duct is obtained through the first pressure sensor, the indoor pressure of the indoor environment is obtained through the second pressure sensor, then the pressure difference between the air duct pressure and the indoor pressure is calculated, when the pressure difference is greater than the preset threshold value, prompt information is output to prompt a user to clean the filter screen of the fan, and the user can be prompted to clean the filter screen according to the air duct pressure and the indoor pressure, so that the filter screen of the fresh air fan can be cleaned in time.
Drawings
FIG. 1 is a schematic structural diagram of a new fan in a hardware operating environment according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a control method of a fresh air machine according to a first embodiment of the present invention;
FIG. 3 is a detailed flowchart of the step of decreasing the rotation speed of the fresh air machine according to the second embodiment of the method for controlling a fresh air machine of the present invention;
FIG. 4 is a detailed flowchart of the step of increasing the rotation speed of the fresh air machine according to the third embodiment of the method for controlling a fresh air machine of the present invention;
FIG. 5 is a schematic flow chart of a fourth embodiment of a method for controlling a fresh air machine according to the present invention;
fig. 6 is a schematic flow chart of a control method of a fresh air machine according to a fifth embodiment of 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.
As shown in fig. 1, fig. 1 is a schematic structural diagram of a new fan in a hardware operating environment according to an embodiment of the present invention.
As shown in fig. 1, the new blower may 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.
Optionally, the new fan may further include a camera, a Radio Frequency (RF) circuit, a sensor, an audio circuit, a WiFi module, and the like. Such as light sensors, motion sensors, and other sensors. Specifically, the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display screen according to the brightness of ambient light.
Those skilled in the art will appreciate that the new fan configuration shown in fig. 1 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 1, a memory 1005, which is a kind of computer storage medium, may include therein an operating system, a network communication module, a user interface module, and a control program of the fresh air machine.
In the new fan shown in fig. 1, the network interface 1004 is mainly used for connecting to a background server and performing data communication with the background server; the user interface 1003 is mainly used for connecting a client (user side) and performing data communication with the client; and processor 1001 may be used to invoke a control program for the new fan stored in memory 1005.
In this embodiment, the new fan includes: the system comprises a memory 1005, a processor 1001 and a control program of the new fan, wherein the control program of the new fan is stored in the memory 1005 and can run on the processor 1001, and when the processor 1001 calls the control program of the new fan stored in the memory 1005, the following operations are performed:
acquiring the current air duct pressure of the air duct through the first pressure sensor, and acquiring the indoor pressure of the indoor environment through the second pressure sensor;
calculating a pressure difference between the duct pressure and the chamber pressure;
when the pressure difference is greater than the preset threshold value, outputting prompt information to prompt a user to clean the filter screen of the fan.
Further, the processor 1001 may call the control program of the new wind machine stored in the memory 1005, and also perform the following operations:
and reducing the rotating speed of the fresh air fan.
Further, the processor 1001 may call the control program of the new wind machine stored in the memory 1005, and also perform the following operations:
acquiring the current rotating speed of the fresh air fan;
calculating a first target rotating speed based on the current rotating speed and a first preset rotating speed;
and reducing the rotating speed of the fresh air fan to the first target rotating speed.
Further, the processor 1001 may call the control program of the new wind machine stored in the memory 1005, and also perform the following operations:
and when the pressure difference is smaller than the preset threshold value, increasing the rotating speed of the fresh air fan.
Further, the processor 1001 may call the control program of the new wind machine stored in the memory 1005, and also perform the following operations:
acquiring the current rotating speed of the fresh air fan;
calculating a second target rotating speed based on the current rotating speed and a second preset rotating speed;
and increasing the rotating speed of the fresh air fan to the second target rotating speed.
Further, the processor 1001 may call the control program of the new wind machine stored in the memory 1005, and also perform the following operations:
acquiring a first dust concentration of the indoor environment through the dust sensor;
determining whether the obtained first dust concentration is smaller than a preset concentration;
and when the first dust concentration is less than the preset concentration, closing the dust sensor.
Further, the processor 1001 may call the control program of the new wind machine stored in the memory 1005, and also perform the following operations:
when the continuous duration after the dust sensor is closed is longer than the preset duration, the dust sensor is opened;
the step of obtaining a first dust concentration of the indoor environment by the dust sensor is performed.
Further, the processor 1001 may call the control program of the new wind machine stored in the memory 1005, and also perform the following operations:
when the first dust concentration is larger than or equal to the preset concentration, a second dust concentration of the indoor environment is obtained through the dust sensor at regular time;
and when the second dust concentration is less than the preset concentration, closing the dust sensor.
The invention also provides a control method of the fresh air machine, and referring to fig. 2, fig. 2 is a schematic flow diagram of a first embodiment of the control method of the fresh air machine.
In this embodiment, this new fan is equipped with and is used for detecting the first pressure sensor of the pressure in the new fan wind channel and is used for detecting the second pressure sensor of the indoor environment of new fan place, wherein, this first pressure sensor sets up in the wind channel of this new fan, and this second pressure sensor can set up in the optional position of the indoor environment of new fan place, and this new fan respectively with this first pressure sensor and second pressure sensor communication connection to make this new fan can acquire this first pressure sensor and second pressure sensor's testing result.
The control method of the fresh air machine comprises the following steps:
step S110, acquiring the current air duct pressure of the air duct through the first pressure sensor, and acquiring the indoor pressure of the indoor environment through the second pressure sensor;
in this embodiment, after the new fan starts, this first pressure sensor and second pressure sensor start thereupon, and this new fan accessible this first pressure sensor and second pressure sensor acquire the wind channel pressure in this new fan wind channel and the indoor pressure of the indoor environment where this new fan is located, and this new fan acquires this first pressure sensor and second pressure sensor's testing result, and wherein this first pressure sensor's testing result is wind channel pressure, second pressure sensor's testing result is indoor pressure.
Step S120, calculating the pressure difference between the air duct pressure and the indoor pressure;
wherein the pressure difference is the duct pressure minus the room pressure.
And S130, when the pressure difference is greater than the preset threshold value, outputting prompt information to prompt a user to clean a filter screen of the fan.
The preset threshold value can be reasonably set, corresponds to the rotating speed of the fresh air fan, the indoor pressure and the dust deposition rate of the filter screen one to one, and can be determined according to the rotating speed of the fresh air fan, the indoor pressure and the dust deposition rate of the filter screen. The preset threshold may also be a preset range, and determining whether the pressure difference is less than the preset threshold may be substituted with determining whether the pressure difference is less than a minimum value of the preset range.
In this embodiment, when the pressure difference between duct pressure and indoor pressure is greater than the preset threshold value, the laying dust rate of this new fan's filter screen is great, and the pollutant that accumulates on the filter screen is more, consequently, output prompt message to the suggestion user is clean the filter screen of fan.
Further, in an embodiment, after step S130, the method for controlling a fresh air machine further includes: and step S140, reducing the rotating speed of the fresh air machine.
In this embodiment, when the pressure difference between the air duct pressure and the indoor pressure is greater than the preset threshold value, the current rotating speed of the new fan is large, and the air volume of the new fan is too large, so that the rotating speed of the new fan can be reduced, and the air volume of the new fan can be reduced.
Further, in an embodiment, after step S120, the method for controlling a fresh air machine further includes: and S150, increasing the rotating speed of the fresh air machine when the pressure difference is smaller than the preset threshold value.
In this embodiment, when obtaining the wind channel pressure with the pressure difference between the indoor pressure, adjust the rotational speed of this new fan according to this pressure difference, it is specific, if this pressure difference is too big, then reduce the rotational speed of fan, if this pressure difference undersize, then increase the rotational speed of fan, and then reduce the pressure difference between wind channel pressure and the indoor pressure, improve the comfort level of the wind that this new fan blew off.
According to the control method of the new fan, the first pressure sensor is used for obtaining the current air duct pressure of the air duct, the second pressure sensor is used for obtaining the indoor pressure of the indoor environment, then the pressure difference between the air duct pressure and the indoor pressure is calculated, when the pressure difference is larger than the preset threshold value, prompt information is output to prompt a user to clean the filter screen of the fan, the user can be prompted to clean the filter screen according to the air duct pressure and the indoor pressure, and therefore the filter screen of the new fan can be cleaned in time.
Based on the first embodiment, a second embodiment of the method for controlling a fresh air machine according to the present invention is provided, and referring to fig. 3, in this embodiment, step S140 includes:
step S141, acquiring the current rotating speed of the fresh air fan;
step S142, calculating a first target rotating speed based on the current rotating speed and a first preset rotating speed;
and S143, reducing the rotating speed of the fresh air machine to the first target rotating speed.
In this embodiment, through current rotational speed and the first predetermined rotational speed according to this new fan calculate first target rotational speed, then reduce the rotational speed of new fan to first target rotational speed, can adjust the rotational speed of this new fan according to the current actual rotational speed of this new fan to make this new fan can be with a suitable rotational speed operation after the rotational speed adjustment, and then can reduce the pressure differential between duct pressure and the indoor pressure fast.
Wherein, first predetermined rotational speed can rationally set up according to actual need.
According to the control method of the fresh air machine, the current rotating speed of the fresh air machine is obtained, then the first target rotating speed is calculated based on the current rotating speed and the first preset rotating speed, then the rotating speed of the fresh air machine is reduced to the first target rotating speed, and then the rotating speed of the fresh air machine can be adjusted according to the current actual rotating speed of the fresh air machine, so that the fresh air machine can operate at a proper rotating speed after the rotating speed is adjusted, the pressure difference between the air duct pressure and the indoor pressure can be rapidly reduced, the comfort of air blown out by the fresh air machine after the rotating speed is adjusted is improved, and the comfort experience of users is further improved.
Based on the first embodiment, a third embodiment of the method for controlling a fresh air machine according to the present invention is provided, and referring to fig. 4, in this embodiment, step S150 includes:
step S151, acquiring the current rotating speed of the fresh air fan;
step S152, calculating a second target rotating speed based on the current rotating speed and a second preset rotating speed;
and step S153, increasing the rotating speed of the fresh air fan to the second target rotating speed.
The control method of the fresh air machine provided by the embodiment comprises the following steps of
In this embodiment, through the current rotational speed and the second preset rotational speed according to this new fan calculate the second target rotational speed, then increase new fan's rotational speed to second target rotational speed, can adjust this new fan's rotational speed according to the current actual rotational speed of this new fan to this new fan can be with a suitable rotational speed operation after making the rotational speed regulation, and then can reduce the pressure differential between duct pressure and the indoor pressure fast.
Wherein, the second preset rotating speed can be reasonably set according to actual needs.
According to the control method of the fresh air machine, the current rotating speed of the fresh air machine is obtained, the second target rotating speed is calculated based on the current rotating speed and the second preset rotating speed, then the rotating speed of the fresh air machine is increased to the second target rotating speed, and then the rotating speed of the fresh air machine can be adjusted according to the current actual rotating speed of the fresh air machine, so that the fresh air machine can operate at a proper rotating speed after the rotating speed is adjusted, the pressure difference between the air duct pressure and the indoor pressure can be rapidly reduced, the comfort of air blown out by the fresh air machine after the rotating speed is adjusted is improved, and the comfort experience of users is further improved.
Based on the foregoing embodiment, a fourth embodiment of the control method of the fresh air fan of the present invention is provided, and referring to fig. 5, in this embodiment, the fresh air fan is further provided with a dust sensor, and the dust sensor is used for detecting a dust concentration of an indoor environment where the fresh air fan is located, where the dust sensor may be disposed at any position of the indoor environment where the fresh air fan is located, and the fresh air fan is in communication connection with the dust sensor, so that the fresh air fan can obtain a detection result of the dust sensor.
The control method of the fresh air machine further comprises the following steps:
step S160, acquiring a first dust concentration of the indoor environment through the dust sensor;
in this embodiment, after new fan starts, this dust sensor starts thereupon, and this new fan accessible this dust sensor acquires the first dust concentration of the indoor environment that this new fan is located, and this new fan acquires the testing result of this dust sensor, and this testing result is first dust concentration promptly.
Step S170, determining whether the acquired first dust concentration is less than a preset concentration;
the preset concentration is a concentration value of dust in the air on the premise of not influencing the health of a user.
In this embodiment, when the first dust concentration is acquired, the fresh air determines whether the first dust concentration is greater than a preset concentration to determine whether the concentration of dust in the air in the current indoor environment exceeds an index that affects the health of the user.
And S180, when the first dust concentration is smaller than the preset concentration, closing the dust sensor.
In this embodiment, when the first dust concentration is less than the preset concentration, the dust sensor may be turned off when the dust concentration of the current indoor environment is low, for example, the dust sensor is controlled to be directly turned off by the fresh air machine, and of course, the switch between the dust sensor and the power supply may also be controlled to be turned off.
In this embodiment, the preset concentration may also be in a preset range, and the dust sensor is turned off when the first dust concentration is smaller than the minimum value of the preset range.
Further, in an embodiment, after step S180, the method for controlling the fresh air machine further includes:
and when the continuous time length after the dust sensor is closed is longer than the preset time length, the dust sensor is opened, and step S160 is executed.
The preset time duration can be reasonably set according to requirements, for example, the preset time duration can be set to 30min, 1 hour and the like.
Through closing this dust sensor after, regularly open this dust sensor to the dust concentration of air in the inspection indoor environment can in time inspect out the higher condition of dust concentration of air in the indoor environment, and then modes such as the operational mode of accessible regulation new fan reduce the dust concentration of air in the indoor environment, so as to prevent that the dust concentration of air is higher and influence user's health in the indoor environment.
According to the control method of the fresh air machine, the dust sensor is used for acquiring the first dust concentration of the indoor environment, then whether the acquired first dust concentration is smaller than the preset concentration is determined, and then the dust sensor is closed when the first dust concentration is smaller than the preset concentration, so that the dust sensor of the fresh air machine is controlled to be closed according to the first dust concentration of the indoor environment, further, when the first dust concentration is smaller than the preset concentration, the dust sensor of the fresh air machine is in a closed state, the dust sensor is prevented from being in a working state for a long time when the fresh air machine runs, and the service life of the dust sensor is prolonged.
A fifth embodiment of the control method of the fresh air machine according to the present invention is proposed based on the fourth embodiment, and referring to fig. 6, in this embodiment, after step S170, the control method of the fresh air machine further includes:
step S190, when the first dust concentration is larger than or equal to the preset concentration, acquiring a second dust concentration of the indoor environment through the dust sensor at regular time;
and step S200, when the second dust concentration is smaller than the preset concentration, closing the dust sensor.
In this embodiment, when the first dust concentration is greater than or equal to the preset concentration, the dust concentration in the air of the current indoor environment is relatively high, the second dust concentration of the indoor environment can be obtained by the dust sensor at regular time, so that when the dust concentration in the air is reduced, the dust sensor is turned off, that is, when the second dust concentration is less than the preset concentration, the dust sensor is turned off, so as to prolong the service life of the dust sensor.
When the first dust concentration is greater than or equal to the preset concentration, the operation mode of the fresh air fan can be adjusted to be the external circulation mode, the dust concentration of air in the indoor environment is reduced through air exchange between the indoor environment and the outdoor environment, or the dust concentration of air in the indoor environment is reduced through starting a purifier in the indoor environment and the like.
According to the control method of the fresh air machine, when the first dust concentration is greater than or equal to the preset concentration, the second dust concentration of the indoor environment is obtained through the dust sensor at regular time, and then when the second dust concentration is smaller than the preset concentration, the dust sensor is closed, so that the dust sensor can be closed timely along with the continuous reduction of the dust concentration under the condition that the dust concentration of the indoor environment is high, the dust sensor is prevented from being in a working state for a long time when the fresh air machine operates, and the service life of the dust sensor is further prolonged.
In addition, an embodiment of the present invention further provides a computer-readable storage medium, where a control program of a fresh air machine is stored on the computer-readable storage medium, and when executed by a processor, the control program of the fresh air machine implements the following operations:
acquiring the current air duct pressure of the air duct through the first pressure sensor, and acquiring the indoor pressure of the indoor environment through the second pressure sensor;
calculating a pressure difference between the duct pressure and the chamber pressure;
when the pressure difference is greater than the preset threshold value, outputting prompt information to prompt a user to clean the filter screen of the fan.
Further, when executed by the processor, the control program of the new wind turbine further implements the following operations:
and reducing the rotating speed of the fresh air fan.
Further, when executed by the processor, the control program of the new wind turbine further implements the following operations:
acquiring the current rotating speed of the fresh air fan;
calculating a first target rotating speed based on the current rotating speed and a first preset rotating speed;
and reducing the rotating speed of the fresh air fan to the first target rotating speed.
Further, when executed by the processor, the control program of the new wind turbine further implements the following operations:
and when the pressure difference is smaller than the preset threshold value, increasing the rotating speed of the fresh air fan.
Further, when executed by the processor, the control program of the new wind turbine further implements the following operations:
acquiring the current rotating speed of the fresh air fan;
calculating a second target rotating speed based on the current rotating speed and a second preset rotating speed;
and increasing the rotating speed of the fresh air fan to the second target rotating speed.
Further, when executed by the processor, the control program of the new wind turbine further implements the following operations:
acquiring a first dust concentration of the indoor environment through the dust sensor;
determining whether the obtained first dust concentration is smaller than a preset concentration;
and when the first dust concentration is less than the preset concentration, closing the dust sensor.
Further, when executed by the processor, the control program of the new wind turbine further implements the following operations:
when the continuous duration after the dust sensor is closed is longer than the preset duration, the dust sensor is opened;
the step of obtaining a first dust concentration of the indoor environment by the dust sensor is performed.
Further, when executed by the processor, the control program of the new wind turbine further implements the following operations:
when the first dust concentration is larger than or equal to the preset concentration, a second dust concentration of the indoor environment is obtained through the dust sensor at regular time;
and when the second dust concentration is less than the preset concentration, closing the dust sensor.
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 enabling a terminal device (e.g., a mobile phone, a computer, a server, an air conditioner, or a network 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. A control method of a fresh air fan is characterized in that the fresh air fan is provided with a first pressure sensor for detecting the pressure in an air duct of the fresh air fan and a second pressure sensor for detecting the pressure of the indoor environment where the fresh air fan is located, and the control method of the fresh air fan comprises the following steps:
acquiring the current air duct pressure of the air duct through the first pressure sensor, and acquiring the indoor pressure of the indoor environment through the second pressure sensor;
calculating a pressure difference between the duct pressure and the chamber pressure;
when the pressure difference is larger than a preset threshold value, outputting prompt information to prompt a user to clean a filter screen of the fan;
wherein, the new fan still is equipped with the dust sensor, new fan's control method still includes:
acquiring a first dust concentration of the indoor environment through the dust sensor;
determining whether the obtained first dust concentration is smaller than a preset concentration;
when the first dust concentration is smaller than the preset concentration, turning off the dust sensor;
when the first dust concentration is larger than or equal to the preset concentration, a second dust concentration of the indoor environment is obtained through the dust sensor at regular time;
and when the second dust concentration is less than the preset concentration, closing the dust sensor.
2. The method of controlling a fresh air machine according to claim 1, wherein after the step of outputting a prompt message when the pressure difference is greater than the preset threshold, the method further comprises:
and reducing the rotating speed of the fresh air fan.
3. The method of controlling a fresh air machine according to claim 2, wherein the step of reducing the rotational speed of the fresh air machine comprises:
acquiring the current rotating speed of the fresh air fan;
calculating a first target rotating speed based on the current rotating speed and a first preset rotating speed;
and reducing the rotating speed of the fresh air fan to the first target rotating speed.
4. The method of controlling a fresh air machine according to claim 1, wherein after the step of calculating the pressure difference between the duct pressure and the chamber pressure, the method further comprises:
and when the pressure difference is smaller than the preset threshold value, increasing the rotating speed of the fresh air fan.
5. The method of controlling a fresh air machine according to claim 4, wherein the step of increasing the rotational speed of the fresh air machine comprises:
acquiring the current rotating speed of the fresh air fan;
calculating a second target rotating speed based on the current rotating speed and a second preset rotating speed;
and increasing the rotating speed of the fresh air fan to the second target rotating speed.
6. The method of controlling a fresh air machine according to claim 1, wherein after the step of turning off the dust sensor when the first dust concentration is less than the preset concentration, the method of controlling a fresh air machine further comprises:
when the continuous duration after the dust sensor is closed is longer than the preset duration, the dust sensor is opened;
the step of obtaining a first dust concentration of the indoor environment by the dust sensor is performed.
7. A new fan is characterized in that the new fan is provided with a first pressure sensor for detecting the pressure in an air duct of the new fan and a second pressure sensor for detecting the pressure of the indoor environment where the new fan is located; the new fan includes: a memory, a processor and a control program for a fresh air machine stored on the memory and executable on the processor, the control program for a fresh air machine when executed by the processor implementing the steps of the method of controlling a fresh air machine as claimed in any one of claims 1 to 6.
8. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a control program of a fresh air machine, which when executed by a processor implements the steps of the method of controlling a fresh air machine according to any one of claims 1 to 6.
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| CN107084556B (en) * | 2017-06-14 | 2019-09-13 | 合肥美的电冰箱有限公司 | Control method, device and the computer readable storage medium of condenser |
| CN108968806B (en) * | 2018-07-16 | 2020-05-22 | 珠海格力电器股份有限公司 | Speed regulation method and device of dust collector, speed regulation system and storage medium |
| CN111928451A (en) * | 2020-07-24 | 2020-11-13 | Tcl空调器(中山)有限公司 | Control method of fresh air system, air conditioner and storage medium |
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| CN102777984A (en) * | 2011-05-11 | 2012-11-14 | 吴勇 | Ventilating and dehumidifying machine for capillary-network air conditioner room |
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| CN104930660A (en) * | 2015-06-24 | 2015-09-23 | 北京奇虎科技有限公司 | Air state monitoring method and device |
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| JPH07120025A (en) * | 1993-10-27 | 1995-05-12 | Mitsubishi Electric Corp | Air conditioner |
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| CN203404845U (en) * | 2013-07-12 | 2014-01-22 | 广东美的暖通设备有限公司 | Air conditioner indoor unit |
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