CN113074437A - Control method of fresh air structure - Google Patents
Control method of fresh air structure Download PDFInfo
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- CN113074437A CN113074437A CN202110467144.8A CN202110467144A CN113074437A CN 113074437 A CN113074437 A CN 113074437A CN 202110467144 A CN202110467144 A CN 202110467144A CN 113074437 A CN113074437 A CN 113074437A
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/39—Monitoring filter performance
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
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- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a control method of a fresh air structure. Wherein, the method comprises the following steps: acquiring a distance between a first sensor and a second sensor, wherein the first sensor is used for acquiring the air speed of an air inlet side of a high-efficiency air filtration HEPA (high efficiency air filtration) net, the second sensor is used for acquiring the air speed of an air outlet side of the HEPA net, and the HEPA net is arranged in an air cavity structure of a fresh air structure; determining the filth blockage rate of the HEPA network according to the original weight, the actual weight and the distance of the HEPA network; the fresh air structure is controlled based on the filth blockage rate. The invention solves the technical problem of lower reliability of a mode for monitoring filth blockage of the HEPA network in the fresh air structure in the related art.
Description
Technical Field
The invention relates to the technical field of household appliance control, in particular to a control method of a fresh air structure.
Background
In the fresh Air structure of the Air conditioner, a High Efficiency Particulate Air Filter (HEPA for short) is an important component for realizing the health function of the Air conditioner. After the outdoor air enters the fresh air structure through the air inlet duct, harmful substances in the outdoor air flow are filtered through the HEPA net, and therefore a certain air purification effect is achieved. Use new trend function for a long time, harmful substance such as dust, particulate matter that HEPA net easily remained to filter, if not clear up, probably influence the new trend effect, more probably cause secondary pollution. In addition, HEPA net replacement cost is higher, for making its utilization ratio maximize, needs to set up filthy stifled monitoring reminding device to HEPA net, saves HEPA net replacement cost on the basis of guaranteeing the new trend function.
There are also some solutions in the related art to the above-mentioned problems. For example, some air filtration systems with a filter screen detection alarm function may be connected to an air pressure sensor located in front of the filter screen and an air pressure sensor located in the rear of the filter screen by using an acquisition module. And when the pressure difference before and after the filter screen exceeds a rated value, judging that the service life of the filter screen in the air purification device is due, and reminding a user to replace the filter screen. Some use air purifier filter screen to change and remind method, specifically utilize the first dust numerical value of dust sensor detection filter screen department to blow to the filter screen with detecting the fan and blow in order to blow the dust on the filter screen, and reuse the dust sensor and detect the second dust numerical value of filter screen department, judge whether send the warning of changing the filter screen according to first dust numerical value and second dust numerical value afterwards. Some direct quantitative control methods for replacing the filter screen of the indoor air purifier are also adopted, specifically, the filter screen is arranged on a frame with a weight sensor, after a filter assembly formed by the filter screen and the filter screen frame is installed, the initial weight of the filter assembly is obtained through the weight sensor, and the controller records the initial weight; when the filter starts to work, the controller obtains the current weight of the filtering assembly by reading the weight sensor in real time; the weight of the filtered material is the current weight-the initial weight, and when the weight of the filtered material exceeds the mass threshold, the controller controls the alarm mechanism to give an alarm.
However, the dirty and blocked monitoring of the HEPA network is not comprehensive enough, so that the accuracy of an alarm result based on the monitored data is greatly reduced, the defects of alarm error and the like easily occur, the filtering efficiency of the HEPA network cannot be improved, the fresh air filtering effect of a fresh air structure of an air conditioner cannot be improved, and the user experience is reduced.
Aiming at the problem that the mode for monitoring the filth blockage of the HEPA network in the fresh air structure in the related art is low in reliability, an effective solution is not provided at present.
Disclosure of Invention
The embodiment of the invention provides a control method of a fresh air structure, which at least solves the technical problem of low reliability of a mode for monitoring filth blockage of a HEPA network in the fresh air structure in the related art.
According to an aspect of an embodiment of the present invention, there is provided a control method for a fresh air structure, including: acquiring a distance between a first sensor and a second sensor, wherein the first sensor is used for acquiring the air speed of an air inlet side of a high-efficiency air filtration HEPA (high efficiency air filtration) net, the second sensor is used for acquiring the air speed of an air outlet side of the HEPA net, and the HEPA net is arranged in an air cavity structure of the fresh air structure; determining the filth blockage rate of the HEPA network according to the original weight, the actual weight and the distance of the HEPA network; and controlling the fresh air structure based on the filth blockage rate.
Optionally, before determining the filth blockage rate of the HEPA network according to the original weight, the actual weight and the distance of the HEPA network, the control method of the fresh air structure further includes: and determining that the difference value of the wind speeds of the air inlet side and the air outlet side of the HEPA network is greater than a wind difference constant value.
Optionally, the original weight is acquired by a weight sensor before the fresh air structure is started; the actual weight is acquired by utilizing the weight sensor after the fresh air structure is opened; wherein, weight sensor set up in on the filter screen frame of new trend structure.
Optionally, determining the dirty blocking rate of the HEPA network according to the original weight, the actual weight and the distance of the HEPA network includes: determining that the fresh air structure is in an open state; counting the accumulated running time of the fresh air structure; determining a weight difference between the original weight and the actual weight; and determining the filth blockage rate of the HEPA network based on the weight difference, the accumulated running time, the distance and the dust holding capacity of the HEPA network.
Optionally, controlling the fresh air structure based on the filth blockage rate includes: dirty blockage prompt information is generated according to the dirty blockage rate, wherein the dirty blockage prompt information is used for indicating the level of coverage of the HEPA network by a preset attachment; and sending the filth blockage prompt information through an alarm module of the fresh air structure.
Optionally, the control method of the fresh air structure further includes: determining that the fresh air structure is in an open state; acquiring outdoor environment quality parameters of the fresh air structure; and controlling the running state of the fresh air structure according to the outdoor environment parameters.
Optionally, obtain outdoor environmental quality parameter of new trend structure, include: acquiring a first outdoor dust amount and a second outdoor dust amount of the fresh air structure, wherein the first outdoor dust amount represents the outdoor dust content except PM2.5, and the second outdoor dust amount represents the outdoor PM2.5 content; and determining the outdoor environment quality parameter based on the first outdoor dust amount and the second outdoor dust amount.
Optionally, controlling the operation state of the fresh air structure according to the outdoor environment parameter includes: when the outdoor environment parameter satisfies a first preset condition, sending reminding information through the alarm module of the fresh air structure, wherein the reminding information is used for prompting to close the fresh air structure, and the preset condition is as follows: the sum of the first outdoor dust amount and the second outdoor dust amount is not less than a preset dust content, or the second outdoor dust amount is not less than a preset PM2.5 content, and the preset dust content is determined according to the dust holding capacity of the HEPA network; when the outdoor environment parameters meet a second preset condition, controlling the fresh air structure to continue to be in an operating state, wherein the second preset condition is as follows: the sum of the first outdoor dust amount and the second outdoor dust amount is smaller than a preset dust content, and the second outdoor dust amount is smaller than a preset PM2.5 content.
According to another aspect of the embodiments of the present invention, there is provided a control device for a fresh air structure, including: the device comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring the distance between a first sensor and a second sensor, the first sensor is used for acquiring the air speed of an air inlet side of a high-efficiency air filtration HEPA (high efficiency particulate air) net, the second sensor is used for acquiring the air speed of an air outlet side of the HEPA net, and the HEPA net is arranged in an air cavity structure of a fresh air structure; the first determining unit is used for determining the dirty blocking rate of the HEPA network according to the original weight, the actual weight and the distance of the HEPA network; and the control unit is used for controlling the fresh air structure based on the filth blockage rate.
Optionally, the control device of this new trend structure still includes: and the second determining unit is used for determining that the air speed difference value between the air inlet side and the air outlet side of the HEPA network is greater than the air difference constant value before determining the filth blockage rate of the HEPA network according to the original weight, the actual weight and the distance of the HEPA network.
Optionally, the original weight is acquired by a weight sensor before the fresh air structure is started; the actual weight is acquired by utilizing the weight sensor after the fresh air structure is opened; wherein, weight sensor set up in on the filter screen frame of new trend structure.
Optionally, the first determining unit includes: the first determining module is used for determining that the fresh air structure is in an opening state; the statistical module is used for counting the accumulated running time of the fresh air structure; a second determining module for determining a weight difference between the original weight and the actual weight; and the third determining module is used for determining the filth blockage rate of the HEPA network based on the weight difference, the accumulated running time, the distance and the dust holding capacity of the HEPA network.
Optionally, the control unit includes: the generating module is used for generating filth blockage prompt information according to the filth blockage rate, wherein the filth blockage prompt information is used for indicating the grade of the HEPA network covered by the preset attachments; and sending the filth blockage prompt information through an alarm module of the fresh air structure.
Optionally, the control device of this new trend structure still includes: the fourth determining module is used for determining that the fresh air structure is in an opening state; the first acquisition module is used for acquiring the outdoor environment quality parameter of the fresh air structure; and the control module is used for controlling the running state of the fresh air structure according to the outdoor environment parameters.
Optionally, the first obtaining module includes: the acquisition submodule is used for acquiring a first outdoor dust amount and a second outdoor dust amount of the fresh air structure, wherein the first outdoor dust amount represents the outdoor dust content except PM2.5, and the second outdoor dust amount represents the outdoor PM2.5 content; and the determining submodule is used for determining the outdoor environment quality parameter based on the first outdoor dust amount and the second outdoor dust amount.
Optionally, the control module includes: the sending submodule is used for sending reminding information through the alarm module of the fresh air structure when the outdoor environment parameter meets a first preset condition, wherein the reminding information is used for prompting to close the fresh air structure, and the preset condition is as follows: the sum of the first outdoor dust amount and the second outdoor dust amount is not less than a preset dust content, or the second outdoor dust amount is not less than a preset PM2.5 content, and the preset dust content is determined according to the dust holding capacity of the HEPA network; the control submodule is used for controlling the fresh air structure to continue to be in an operating state when the outdoor environment parameter meets a second preset condition, wherein the second preset condition is as follows: the sum of the first outdoor dust amount and the second outdoor dust amount is smaller than a preset dust content, and the second outdoor dust amount is smaller than a preset PM2.5 content.
According to another aspect of the embodiment of the invention, an air conditioner fresh air structure is further provided, and a control method using any one of the fresh air structures is provided.
According to another aspect of the embodiment of the invention, an air conditioner is further provided, which comprises the air conditioner fresh air structure.
According to another aspect of the embodiment of the present invention, there is also provided a computer-readable storage medium, which includes a stored computer program, wherein when the computer program is executed by a processor, the apparatus in which the computer storage medium is located is controlled to execute the control method of the fresh air structure according to any one of the above descriptions.
According to another aspect of the embodiment of the present invention, there is further provided a processor, where the processor is configured to run a computer program, where the computer program is configured to execute the control method of the fresh air structure described in any one of the above when running.
In the embodiment of the invention, the distance between a first sensor and a second sensor is obtained, wherein the first sensor is used for collecting the air speed of the air inlet side of the high-efficiency air filtration HEPA net, the second sensor is used for collecting the air speed of the air outlet side of the HEPA net, and the HEPA net is arranged in an air cavity structure of a fresh air structure; determining the filth blockage rate of the HEPA network according to the original weight, the actual weight and the distance of the HEPA network; the fresh air structure is controlled based on the filth blockage rate, and the control method of the fresh air structure provided by the embodiment of the invention realizes the purpose of determining the filth blockage rate of the HEPA network from multi-dimensional data of the distance values between sensors for collecting the wind speed and the wind speed, which are changed from the front to the back of the HEPA network, so as to determine the degree of coverage of the HEPA network by attachments, thereby achieving the technical effect of improving the reliability of filth blockage monitoring on the HEPA network in the fresh air structure, and further solving the technical problem of lower reliability of a mode for filth blockage monitoring on the HEPA network in the fresh air structure in the related art.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a flow chart of a method of controlling a fresh air structure according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a first sensor and a second sensor with a HEAP mesh, according to an embodiment of the present invention;
FIG. 3 is a flow chart of a monitoring alert control method of a fresh air structure according to an embodiment of the present invention;
FIG. 4 is a flow chart of a monitoring alarm control method of a fresh air structure according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a control device of a fresh air structure according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In view of the above technical problems, in an embodiment of the present invention, a fresh air structure is designed, and the fresh air structure may include: air inlet chamber, HEPA net, centrifugal fan, wind channel structure, monitoring and alarm device. The HEPA net-through filter frame is fixed in the air cavity structure, and the monitoring and alarming device comprises a weight sensor, a time monitor, an air speed sensor 1, an air speed sensor 2, a dust sensor, an air quality monitor (PM2.5), a controller and an alarming device.
Through the HEPA network filth blockage monitoring and alarm control method based on the fresh air structure, the HEPA network filth blockage rate can be monitored from multiple dimensions such as operation time, front and back wind speed and weight change, on one hand, error reminding caused by inaccurate monitoring data can be avoided, the filth blockage reminding accuracy rate is improved, and waste is reduced. When the wind speed changes to reach the designated value, the change of the weight sensor is monitored, so that the multidimensional monitoring can be realized, and unnecessary monitoring behaviors can be reduced. On the other hand, the filtering effect of the HEPA network can be accurately monitored by applying a filth blockage rate calculation method, so that the fresh air filtering effect of the air conditioner can be better achieved.
It should be noted that the fresh air structure herein can be applied to various household appliances, such as an air conditioner, an air purifier, etc., and is not limited herein.
The following describes a method and an apparatus for controlling the fresh air structure in the embodiment of the present invention in detail.
Example 1
In accordance with an embodiment of the present invention, there is provided a method embodiment of a method for controlling a fresh air structure, where the steps illustrated in the flowchart of the accompanying drawings may be performed in a computer system, such as a set of computer-executable instructions, and where a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than that illustrated herein.
Fig. 1 is a flowchart of a method for controlling a fresh air structure according to an embodiment of the present invention, and as shown in fig. 1, the method for controlling a fresh air structure includes the following steps:
step S102, obtaining the distance between a first sensor and a second sensor, wherein the first sensor is used for collecting the air speed of the air inlet side of the high-efficiency air filtration HEPA net, the second sensor is used for collecting the air speed of the air outlet side of the HEPA net, and the HEPA net is arranged in an air cavity structure of a fresh air structure.
Optionally, the first sensor and the second sensor are wind speed sensors, and can be used for monitoring wind speeds of an air inlet side and an air outlet side of the HEPA network respectively.
Optionally, above-mentioned HEPA net accessible filter screen frame is fixed in the wind cavity structure of new trend structure.
As an optional embodiment, the first sensor may be disposed at the air inlet end of the screen frame, and the second sensor may be disposed at the air outlet end of the screen frame, and may use the central point of the HEPA network as an origin, and use two central lines extending from the central point as xy coordinate axes, and use the central point as a z axis in a direction perpendicular to the HEPA network. The first sensor and the second sensor probe can be respectively arranged at the positions with the coordinates of (0.3d, -0.25d, 0.1d) and (0.3d, -0.25d, -0.1d), wherein d is the HEPA net frame side length, as shown in FIG. 2 (FIG. 2 is a schematic diagram of the first sensor and the second sensor according to the embodiment of the invention and the HEAP net), and after the fresh air structure is opened, the front end wind speed V1 and the rear end wind speed V2 are respectively read.
Because when the new trend structure was opened, centrifugal fan was in high rotational speed running state, and the HEPA net front and back air current was the swirl form and flows this moment, and the swirl center is located the above-mentioned coordinate position that corresponds, locates the swirl center with the wind speed sensor probe, can avoid the wind speed that produces by the high-speed operation of fan uneven distribution to the inaccurate problem of monitoring data has effectively been overcome.
And step S104, determining the dirty blocking rate of the HEPA network according to the original weight, the actual weight and the distance of the HEPA network.
Optionally, the original weight here is the weight of the HEPA network read by the weight sensor before the fresh air structure works for the first time after leaving the factory, that is, the original weight M1 of the HEPA network working area can be read by the weight sensor before the fresh air structure works for the first time (this value remains unchanged).
As an alternative embodiment, before determining the blockage rate of the HEPA network according to the original weight, the actual weight and the distance of the HEPA network, the control method of the fresh air structure further includes: and determining that the difference value of the wind speeds of the air inlet side and the air outlet side of the HEPA network is greater than a wind difference constant value.
That is, after the wind speeds V1 and V2 on the air inlet side and the air outlet side of the HEPA net are monitored by the first sensor and the second sensor, the wind speed difference V between the air inlet side and the air outlet side of the HEPA net can be determined, specifically, V1-V2 can be set, and when V > V0 (a preset wind difference constant value), the weight M2 of the HEPA net can be monitored in real time by the weight sensor.
Optionally, the original weight is acquired by a weight sensor before the fresh air structure is started; the actual weight is acquired by a weight sensor after the fresh air structure is opened; wherein, weight sensor sets up on the filter screen frame of new trend structure.
And S106, controlling a fresh air structure based on the filth blockage rate.
As can be seen from the above, in the embodiment of the present invention, after the distance between the first sensor and the second sensor is obtained, wherein the first sensor is used to collect the air speed at the air inlet side of the high efficiency air filtration HEPA network, the second sensor is used to collect the air speed at the air outlet side of the HEPA network, the HEPA network is disposed in the air cavity structure of the fresh air structure, the dirty blocking rate of the HEPA network is determined according to the original weight, the actual weight and the distance of the HEPA network, and the fresh air structure is controlled based on the dirty blocking rate, so that the purpose of determining the degree of coverage of the HEPA network by the attachment from the multi-dimensional data of the air speed, the change of the air speed and the change of the distance value between the sensors for collecting the air speed is achieved, and the technical effect of improving the reliability of the dirty blocking monitoring of the HEPA network in the fresh air structure is achieved.
Therefore, the control method of the fresh air structure provided by the embodiment of the invention solves the technical problem of low reliability of a mode for monitoring filth blockage of the HEPA network in the fresh air structure in the related art.
As an alternative embodiment, determining the rate of filth blockage of the HEPA network according to the original weight, the actual weight and the distance of the HEPA network comprises: determining that the fresh air structure is in an open state; counting the accumulated running time of the fresh air structure; determining a weight difference between the original weight and the actual weight; and determining the dirty blocking rate of the HEPA network based on the weight difference, the accumulated running time, the distance and the dust holding capacity of the HEPA network.
Optionally, the dirty rate in the embodiment of the present invention is used to indicate a degree of coverage of the HEPA network by a predetermined attachment (e.g., dust, etc.), and the grades of the HEPA network covered by the predetermined attachment in different degrees of coverage may be set according to the attributes of the HEPA, where different grades may set different reminding information.
For example, after the operation of the fresh air structure is started, the total operation time period Ts of the fresh air structure (i.e., the accumulated operation time period of the fresh air structure) is monitored by a counter, the wind speed V1 at the front end of the HEPA net is monitored by a wind speed sensor 1 (i.e., a first sensor), the wind speed V2 at the rear end of the HEPA net is monitored by a wind speed sensor 2 (i.e., a second sensor), and when V is equal to V1-V2>And V0 (preset wind difference constant), reading the real-time HEPA network weight M2 through a weight sensor, and simultaneously acquiring the HEPA dust holding capacity as a preset value R and the distance between two wind speed sensors as a preset value D. And calculating the filth blockage rate of the HEPA network according to an HEPA network filth blockage rate formula S. Wherein, S ═ (0.7(M1-M2)/R +0.3V ═ Ts 10-8/D)*100％。
It should be noted that the above calculation formula and preset values (e.g., dust holding rate, raw weight, distance between wind speed sensors, wind difference constant V0) required in calculating the dirty rate of the HEPA network may be stored in the control system.
The dirty blockage rate of the HEPA network is determined in the mode, and data influencing the calculation accuracy of the dirty blockage rate of the HEPA network are considered from all aspects, so that the data for calculating the dirty blockage rate of the HEPA network are obtained from multiple dimensions, the calculation accuracy of the coverage degree of attachments on the HEPA network is improved, and the control of a fresh air structure is more reasonable.
As an optional embodiment, the fresh air structure is controlled based on the filth blockage rate, including: the method comprises the steps of generating filth blockage prompt information according to a filth blockage rate, wherein the filth blockage prompt information is used for indicating the grade of the HEPA network covered by a preset attachment; and sending filth blockage prompt information through an alarm module of the fresh air structure.
For example, when the wind speed difference reaches a preset value, the signals read by the sensors are transmitted to the controller, and the filth blockage rate S is obtained through a filth blockage rate calculation formula. When S is more than 75%, the controller controls the alarm device to issue an orange filth blockage prompt; when S is more than 90%, the controller controls the alarm device to issue a red filth blockage prompt. By the method for monitoring and reminding the blocking rate of the HEPA network, the blocking rate of the HEPA network can be monitored from multiple dimensions such as running time, front and back wind speed, weight change and the like, on one hand, error reminding caused by inaccurate monitoring data can be avoided, the blocking reminding accuracy is improved, and waste is reduced. When the wind speed changes to reach the designated value, the change of the weight sensor is monitored, so that the multidimensional monitoring can be realized, and unnecessary monitoring behaviors can be reduced. On the other hand, the filtering effect of the HEPA network can be accurately monitored by applying a filth blockage rate calculation method, so that the fresh air filtering effect of the air conditioner can be better achieved.
As an optional embodiment, the control method of the fresh air structure further includes: determining that the fresh air structure is in an open state; acquiring outdoor environment quality parameters of a fresh air structure; and controlling the operation of the fresh air structure according to the outdoor environment parameters.
Wherein, acquire the outdoor environment quality parameter of new trend structure, include: acquiring a first outdoor dust amount and a second outdoor dust amount of a fresh air structure, wherein the first outdoor dust amount represents the outdoor dust content except PM2.5, and the second outdoor dust amount represents the outdoor PM2.5 content; and determining an outdoor environment quality parameter based on the first outdoor dust amount and the second outdoor dust amount.
For example, when the user starts the fresh air function, the dust sensor and the air quality monitor the air quality at the air inlet of the current outdoor environment (the dust sensor can only monitor PM10 and above suspended particulate matter, and can not capture PM2.5, but PM2.5 is extremely harmful to the human body, so a PM2.5 monitor device (i.e., an air quality monitor) is added).
It should be noted here that the dust sensor and the air quality monitor are disposed at an air inlet of the fresh air structure, and are connected to the alarm device through the controller together with the weight sensor, the time monitor, the air speed sensor 1 disposed on the air inlet side of the HEPA network, and the air speed sensor 2 disposed on the air outlet side of the HEPA network, which are disposed on the filter screen frame.
As an optional embodiment, the controlling the operation state of the fresh air structure according to the outdoor environment parameter includes: when outdoor environmental parameter satisfies first preset condition, send warning information through the alarm module of new trend structure, wherein, warning information is used for the suggestion to close the new trend structure, and the preset condition is: the sum of the first outdoor dust amount and the second outdoor dust amount is not less than the preset dust content, or the second outdoor dust amount is not less than the preset PM2.5 content, and the preset dust content is determined according to the dust holding amount of the HEPA network; when the outdoor environment parameter satisfies the second preset condition, the fresh air structure is controlled to continue to be in the running state, wherein the second preset condition is as follows: the sum of the first outdoor dust amount and the second outdoor dust amount is less than the preset dust content, and the second outdoor dust amount is less than the preset PM2.5 content.
For example, after the amount of dust H1 (i.e., the first amount of outdoor dust) and the PM2.5 index P1 (i.e., the second amount of outdoor dust) are read, Q is H1+ P1, when Q is equal to or greater than 0.01R or P1 is equal to or greater than P0, (R is the amount of dust held by the HEPA net and P0 is the PM2.5 pollution index of the preset environment), it is determined that the pollution index is high, and the alarm device issues a reminder not to suggest to start the fresh air function to ask the user whether to continue to start the fresh air function. When Q < 0.01R and P1 < P0, (R is HEPA net dust holding capacity, P0 is the environmental PM2.5 pollution index of predetermineeing), judge that the pollution index is normal, can normally open the new trend function, thereby can reduce outdoor adverse air environment to HEPA net single high destructive influence to a certain extent, increase HEPA net life, also solved under extreme weather, outdoor adverse air environment is to air conditioner new trend structure HEPA net's single high destructive influence.
Through the scheme in the embodiment, the outdoor environment air quality can be monitored and reminded, fig. 3 is a flow chart of the monitoring, reminding and control method of the fresh air structure according to the embodiment of the invention, and as shown in fig. 3, when the fresh air function of the fresh air structure is started, the dust quantity H1 can be read by using a dust sensor, and meanwhile, the PM2.5 index P1 can be read by using an air quality monitor; determining whether Q is greater than or equal to 0.1R or P1 is greater than or equal to P0; if so, determining that the pollution index is higher, otherwise, determining that the air quality is normal; under the condition that the pollution index is determined to be higher, the fresh air structure is not suggested to be started, and a user is inquired whether to continue to start the fresh air structure or not; if the feedback is yes, continuing to start; otherwise, the switch is not turned on.
Through the adoption of the mode, the influence on the HEPA network is preset by monitoring the outdoor air quality, when the outdoor environmental pollution index is higher, and the user starts the fresh air function, the alarm device sends out an advice-free fresh air function prompt to inquire whether the user continues to start the fresh air function. The method can reduce the single high destructive influence of outdoor severe air environment on the HEPA network to a certain extent and prolong the service life of the HEPA network.
Fig. 4 is a flowchart of a monitoring alarm control method of a fresh air structure according to an embodiment of the present invention, and as shown in fig. 4, when it is determined that the fresh air structure is opened, the original weight M1 of the HEPA network collected by the weight sensor is obtained, the accumulated operating time Ts of the fresh air mechanism is monitored in real time by using the time monitor, and the wind speed V1 at the air inlet side and the wind speed V2 at the air outlet side of the HEAP network are monitored by using the wind speed sensor; then judging whether the wind speed difference V between the wind speed V1 at the air inlet side and the wind speed V2 at the air outlet side is greater than a preset wind difference constant value V0; reading the actual weight M2 of the HEPA net monitored by the weight sensor; calculating the filth blockage rate S; when the S is more than 90% and is more than or equal to 75%, the alarm device issues an orange dirty blockage prompt; and when the S is more than or equal to 90 percent, the alarm device issues a red filth blockage prompt.
As can be seen from the above, in the control method of the fresh air structure provided by the embodiment of the invention, the filth blockage rate calculation method and the alarm mechanism consider the operation time of the HEPA network, the wind speed and the weight change before and after the HEPA network, and the filth blockage rate of the HEPA network is monitored in a multi-dimensional manner, so that on one hand, the error reminding caused by inaccurate monitoring data can be avoided, the filth blockage reminding accuracy is improved, and the waste is reduced; in addition, when the wind speed changes to reach the designated value, the change of the weight sensor is monitored, so that the multidimensional monitoring can be realized, and unnecessary monitoring behaviors can be reduced. On the other hand, by adopting the filth blockage rate calculation method, the HEPA net filtering effect can be accurately monitored, so that the air conditioner fresh air filtering effect is better achieved, and the air conditioner fresh air filtering effect is better achieved. The problems that the HEPA network filth blockage monitoring is not comprehensive and the filth blockage reminding accuracy is low are solved; but also solves the problems that the HEPA net filth blockage reminding function of the fresh air structure of the air conditioner is imperfect, the filth blockage rate is too high and the fresh air effect is influenced.
In addition, in the embodiment of the present invention, a plurality of wind speed sensors may be additionally disposed at corresponding positions on the air inlet side and the air outlet side of the HEPA network, and the wind speed values V1-VN are measured on the air inlet side, the average value VA is V1+ V2+ … … VN/N, the wind speed values V2-VM are measured on the air outlet side, the average value VB is V1+ V2+ … … VM/M, and V is VA-VB, and the average value of the speeds on both sides is monitored to replace the two-point method for speed measurement. In addition, new trend structure air intake is equipped with dust sensor and air quality monitor (PM2.5), can be when the new trend structure is opened (no matter open the new trend function), and real-time supervision air quality adds air quality display device on the panel to through controller real-time supervision outdoor air quality. In addition, the accumulated running time of the HEPA network can be synchronously detected through the wind speed sensor device, so that the cost of a time monitor for reducing a fresh air structure is not required to be arranged on the filter screen frame.
Example 2
According to another aspect of the embodiment of the present invention, there is provided a control device of a fresh air structure, fig. 5 is a schematic diagram of the control device of the fresh air structure according to the embodiment of the present invention, and as shown in fig. 5, the control device of the fresh air structure of the air conditioner includes: an acquisition unit 51, a first determination unit 53, and a control unit 55. The control device of this fresh air structure will be explained below.
The obtaining unit 51 is used for obtaining the distance between the first sensor and the second sensor, wherein the first sensor is used for collecting the air speed of the air inlet side of the high-efficiency air filtration HEPA net, the second sensor is used for collecting the air speed of the air outlet side of the HEPA net, and the HEPA net is arranged in an air cavity structure of an air conditioner fresh air structure.
And the first determining unit 53 is used for determining the filth blockage rate of the HEPA network according to the original weight, the actual weight and the distance of the HEPA network.
And the control unit 55 is used for controlling the fresh air structure based on the filth blockage rate.
It should be noted here that the acquiring unit 51, the first determining unit 53 and the control unit 55 correspond to steps S102 to S106 in embodiment 1, and the modules are the same as the examples and application scenarios realized by the corresponding steps, but are not limited to the disclosure in embodiment 1. It should be noted that the modules described above as part of an apparatus may be implemented in a computer system such as a set of computer-executable instructions.
As can be seen from the above, in the embodiment of the present invention, the obtaining unit may be used to obtain the distance between the first sensor and the second sensor, where the first sensor is used to collect the wind speed at the air inlet side of the high efficiency air filtration HEPA net, the second sensor is used to collect the wind speed at the air outlet side of the HEPA net, and the HEPA net is disposed in the air cavity structure of the fresh air structure; then determining the dirty blocking rate of the HEPA network according to the original weight, the actual weight and the distance of the HEPA network by using a first determination unit; and the control unit is used for controlling the fresh air structure based on the filth blockage rate. The control device of the fresh air structure provided by the embodiment of the invention realizes the purpose of determining the filth blockage rate of the HEPA network from multi-dimensional data of the wind speed and the quality change in the front and back of the HEPA network and the distance value between the sensors for collecting the wind speed so as to determine the degree of coverage of the HEPA network by attachments, achieves the technical effect of improving the reliability of filth blockage monitoring on the HEPA network in the fresh air structure, and further solves the technical problem of lower reliability of a mode for filth blockage monitoring on the HEPA network in the fresh air structure in the related art.
Optionally, the control device of this new trend structure still includes: and the second determining unit is used for determining that the air speed difference value of the air inlet side and the air outlet side of the HEPA network is greater than the air difference constant value before determining the filth blockage rate of the HEPA network according to the original weight, the actual weight and the distance of the HEPA network.
Optionally, the original weight is acquired by a weight sensor before the fresh air structure is started; the actual weight is acquired by a weight sensor after the fresh air structure is opened; wherein, weight sensor sets up on the filter screen frame of new trend structure.
Optionally, the first determining unit includes: the first determining module is used for determining that the fresh air structure is in an opening state; the statistical module is used for counting the accumulated running time of the fresh air structure; a second determining module for determining a weight difference between the original weight and the actual weight; and the third determining module is used for determining the dirty blockage rate of the HEPA network based on the weight difference, the accumulated running time length, the distance and the dust holding capacity of the HEPA network.
Optionally, a control unit comprising: the generating module is used for generating filth blockage prompt information according to the filth blockage rate, wherein the filth blockage prompt information is used for indicating the grade of the HEPA network covered by the preset attachments; and sending filth blockage prompt information through an alarm module of the fresh air structure.
Optionally, the control device of this new trend structure still includes: the fourth determining module is used for determining that the fresh air structure is in an opening state; the first acquisition module is used for acquiring outdoor environment quality parameters of the fresh air structure; and the control module is used for controlling the operation of the fresh air structure according to the outdoor environment parameters.
Optionally, the first obtaining module includes: the acquisition submodule is used for acquiring a first outdoor dust amount and a second outdoor dust amount of the fresh air structure, wherein the first outdoor dust amount represents the outdoor dust content except PM2.5, and the second outdoor dust amount represents the outdoor PM2.5 content; and the determining submodule is used for determining the outdoor environment quality parameter based on the first outdoor dust amount and the second outdoor dust amount.
Optionally, a control module comprising: the sending submodule is used for sending reminding information through an alarm module of the fresh air structure when the outdoor environment parameter meets a first preset condition, wherein the reminding information is used for prompting to close the fresh air structure, and the preset condition is as follows: the sum of the first outdoor dust amount and the second outdoor dust amount is not less than the preset dust content, or the second outdoor dust amount is not less than the preset PM2.5 content, and the preset dust content is determined according to the dust holding amount of the HEPA network; the control submodule is used for controlling the fresh air structure to continue to be in an operating state when the outdoor environment parameter meets a second preset condition, wherein the second preset condition is as follows: the sum of the first outdoor dust amount and the second outdoor dust amount is less than the preset dust content, and the second outdoor dust amount is less than the preset PM2.5 content.
Example 3
According to another aspect of the embodiment of the invention, the invention further provides an air conditioner fresh air structure and a control method using any one of the fresh air structures.
Example 4
According to another aspect of the embodiment of the invention, an air conditioner is further provided, which comprises the air conditioner fresh air structure.
Example 5
According to another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium, which includes a stored computer program, wherein when the computer program is executed by a processor, an apparatus in which the computer storage medium is located is controlled to execute the control method of the fresh air structure in any one of the above.
Example 6
According to another aspect of the embodiment of the present invention, there is further provided a processor, where the processor is configured to execute a computer program, where the computer program executes a control method of the fresh air structure of any one of the above.
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.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. 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 and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (13)
1. A control method of a fresh air structure is characterized by comprising the following steps:
acquiring a distance between a first sensor and a second sensor, wherein the first sensor is used for acquiring the air speed of an air inlet side of a high-efficiency air filtration HEPA (high efficiency air filtration) net, the second sensor is used for acquiring the air speed of an air outlet side of the HEPA net, and the HEPA net is arranged in an air cavity structure of the fresh air structure;
determining the filth blockage rate of the HEPA network according to the original weight, the actual weight and the distance of the HEPA network;
and controlling the fresh air structure based on the filth blockage rate.
2. The method of claim 1, wherein prior to determining the rate of fouling of the HEPA network in terms of the original weight, the actual weight, and the distance of the HEPA network, the method further comprises:
and determining that the difference value of the wind speeds of the air inlet side and the air outlet side of the HEPA network is greater than a wind difference constant value.
3. The method according to claim 1, wherein the original weight is collected by a weight sensor before the fresh air structure is opened; the actual weight is acquired by utilizing the weight sensor after the fresh air structure is opened; wherein, weight sensor set up in on the filter screen frame of new trend structure.
4. The method of claim 1, wherein determining the dirty blocking rate of the HEPA network from the raw weight, the actual weight, and the distance of the HEPA network comprises:
determining that the fresh air structure is in an open state;
counting the accumulated running time of the fresh air structure;
determining a weight difference between the original weight and the actual weight;
and determining the filth blockage rate of the HEPA network based on the weight difference, the accumulated running time, the distance and the dust holding capacity of the HEPA network.
5. The method of any of claims 1 to 4, wherein controlling the fresh air structure based on the filth blockage rate comprises:
dirty blockage prompt information is generated according to the dirty blockage rate, wherein the dirty blockage prompt information is used for indicating the level of coverage of the HEPA network by a preset attachment;
and sending the filth blockage prompt information through an alarm module of the fresh air structure.
6. The method of claim 5, further comprising:
determining that the fresh air structure is in an open state;
acquiring outdoor environment quality parameters of the fresh air structure;
and controlling the operation of the fresh air structure according to the outdoor environment parameters.
7. The method of claim 6, wherein obtaining outdoor environmental quality parameters of the fresh air structure comprises:
acquiring a first outdoor dust amount and a second outdoor dust amount of the fresh air structure, wherein the first outdoor dust amount represents the outdoor dust content except PM2.5, and the second outdoor dust amount represents the outdoor PM2.5 content;
and determining the outdoor environment quality parameter based on the first outdoor dust amount and the second outdoor dust amount.
8. The method of claim 7, wherein controlling the operational state of the fresh air structure based on the outdoor environmental parameter comprises:
when the outdoor environment parameter satisfies a first preset condition, sending reminding information through the alarm module of the fresh air structure, wherein the reminding information is used for prompting to close the fresh air structure, and the preset condition is as follows: the sum of the first outdoor dust amount and the second outdoor dust amount is not less than a preset dust content, or the second outdoor dust amount is not less than a preset PM2.5 content, and the preset dust content is determined according to the dust holding capacity of the HEPA network;
when the outdoor environment parameters meet a second preset condition, controlling the fresh air structure to continue to be in an operating state, wherein the second preset condition is as follows: the sum of the first outdoor dust amount and the second outdoor dust amount is smaller than a preset dust content, and the second outdoor dust amount is smaller than a preset PM2.5 content.
9. The utility model provides a controlling means of new trend structure which characterized in that includes:
the device comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring the distance between a first sensor and a second sensor, the first sensor is used for acquiring the air speed of an air inlet side of a high-efficiency air filtration HEPA (high efficiency particulate air) net, the second sensor is used for acquiring the air speed of an air outlet side of the HEPA net, and the HEPA net is arranged in an air cavity structure of a fresh air structure;
the first determining unit is used for determining the dirty blocking rate of the HEPA network according to the original weight, the actual weight and the distance of the HEPA network;
and the control unit is used for controlling the fresh air structure based on the filth blockage rate.
10. An air conditioner fresh air structure, characterized in that a control method of the fresh air structure according to any one of the preceding claims 1 to 8 is used.
11. An air conditioner characterized in that, comprising the fresh air structure of the air conditioner of claim 10.
12. A computer-readable storage medium, characterized in that the computer-readable storage medium comprises a stored computer program, wherein when the computer program is executed by a processor, the computer-readable storage medium controls an apparatus to execute the method for controlling the fresh air structure according to any one of the preceding claims 1 to 8.
13. A processor for executing a computer program, wherein the computer program executes to perform the method for controlling a fresh air structure according to any one of claims 1 to 8.
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