CN109668261B - Control method and device for air conditioning device and air conditioning device - Google Patents

Control method and device for air conditioning device and air conditioning device Download PDF

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Publication number
CN109668261B
CN109668261B CN201811579618.2A CN201811579618A CN109668261B CN 109668261 B CN109668261 B CN 109668261B CN 201811579618 A CN201811579618 A CN 201811579618A CN 109668261 B CN109668261 B CN 109668261B
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air
speed
fan
purification
wind
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CN109668261A (en
Inventor
林勇
罗彪
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Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Priority to CN201811579618.2A priority Critical patent/CN109668261B/en
Publication of CN109668261A publication Critical patent/CN109668261A/en
Priority to PCT/CN2019/113059 priority patent/WO2020134439A1/en
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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
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • 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
    • F24F11/77—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 by controlling the speed of ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/30—Velocity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Human Computer Interaction (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The application provides a control method and a control device of an air conditioning device and the air conditioning device, wherein an indoor unit of the air conditioning device is provided with an air outlet, a fan and a purification unit for purifying air flow output by the fan are arranged in an air channel communicated with the air outlet, the air outlet is also provided with a first sensor for detecting air speed, and the method comprises the following steps: controlling a first sensor to detect the air outlet speed of the air flow passing through the purification unit; determining the air quantity or the loss quantity of the air speed for the purification unit according to the difference value between the air outlet speed and the reference air speed; and adjusting the rotating speed of the fan according to the loss amount. The method can automatically adjust the rotating speed of the fan according to the loss of the air quantity or the air speed, can adjust the purified air quantity, and ensures the purification efficiency and the purification effect. In addition, the rotating speed of the fan changes along with the change of the loss amount, so that the condition that the fan runs at a higher rotating speed all the time to cause higher energy consumption can be avoided, and the energy consumption can be effectively reduced.

Description

Control method and device for air conditioning device and air conditioning device
Technical Field
The present application relates to the field of household appliance technologies, and in particular, to a control method and device for an air conditioning device, and an air conditioning device.
Background
With the improvement of living standards of people, air conditioning devices such as air conditioners, air purifiers, etc. are gradually present in thousands of homes and offices. Currently, air conditioning devices are used to purify air to improve the comfort of the environment in the space in which the air conditioning device is located.
However, the applicant found that, in practical use, the existing air conditioning device operates at a fixed fan rotation speed, and when the filter screen is dirty or other functional filter screens with low wind resistance or high wind resistance are replaced, in this way, if the purifying air quantity of the air conditioning device cannot be effectively adjusted, the purifying effect cannot be ensured, or the energy consumption will be increased.
Disclosure of Invention
The application provides a control method and a control device of an air conditioning device and the air conditioning device, so that the rotating speed of a fan can be automatically adjusted according to the loss of air quantity or air speed, the purified air quantity of the air conditioning device can be adjusted, and the purification efficiency and the purification effect are ensured. And the rotating speed of the fan changes along with the change of the loss amount, so that the condition that the energy consumption is higher due to the fact that the fan always runs at a higher rotating speed can be avoided, the energy consumption can be effectively reduced, and the technical problem that the purifying effect cannot be guaranteed because the purifying air quantity of the air conditioning device cannot be adjusted in the prior art is solved.
An embodiment of one aspect of the present application provides a control method for an air conditioning device, where an indoor unit of the air conditioning device is provided with an air outlet, a fan is disposed in an air duct communicated with the air outlet, and a purification unit that purifies an air flow output by the fan is disposed in the air duct, and the air outlet is further provided with a first sensor for detecting a wind speed, where the method includes:
controlling the first sensor to detect the air outlet speed of the air flow passing through the purification unit;
determining the air quantity or the loss quantity of the air speed of the purification unit according to the difference value between the air outlet speed and the reference air speed;
and adjusting the rotating speed of the fan according to the loss amount.
An embodiment of another aspect of the present application provides a control device for an air conditioning device, an indoor unit of the air conditioning device is provided with an air outlet, a fan is arranged in an air duct communicated with the air outlet, and a purification unit for purifying an air flow output by the fan is provided, the air outlet is further provided with a first sensor for detecting a wind speed, the device includes:
the detection module is used for controlling the first sensor to detect the air outlet speed of the air flow passing through the purification unit;
the determining module is used for determining the air quantity or the loss quantity of the air speed for the purifying unit according to the difference value between the air outlet speed and the reference air speed;
and the control module is used for adjusting the rotating speed of the fan according to the loss amount.
An embodiment of another aspect of the present application provides an air conditioning device, an indoor unit of the air conditioning device is provided with an air outlet, a fan is arranged in an air duct of the air outlet communication, and a purification unit for purifying an air flow output by the fan is provided, the air outlet is further provided with a first sensor for detecting a wind speed, and the air conditioning device further includes: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the control method of the air conditioning device as proposed in the previous embodiments of the present application when executing the program.
A further embodiment of the present application proposes a computer-readable storage medium, on which a computer program is stored, which program, when executed by a processor, implements a control method of an air conditioning apparatus as proposed in the previous embodiment of the present application.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages: on the one hand, the first sensor is controlled to detect the air outlet speed of the air flow after passing through the purification unit, then the air quantity or the loss amount of the air speed is determined for the purification unit according to the difference value between the air outlet speed and the reference air speed, and finally the rotating speed of the fan is adjusted according to the loss amount. In addition, the rotating speed of the fan changes along with the change of the loss amount, so that the condition that the fan runs at a higher rotating speed all the time to cause higher energy consumption can be avoided, and the energy consumption can be effectively reduced.
On the other hand, the air quality is detected, and when the air quality indicates that the pollutant concentration is greater than the threshold concentration, the purification unit is started to purify the air in the air channel, so that the pollutants in the space where the air conditioning device is located can be removed, and the comfort of the environment in the space where the air conditioning device is located is improved.
In another aspect, the applicability of the control method can be improved by adopting different modes to determine and adjust the rotating speed of the fan.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic flowchart of a control method of an air conditioning device according to an embodiment of the present application;
fig. 2 is a schematic flowchart of a control method of an air conditioning device according to a second embodiment of the present application;
fig. 3 is a schematic flowchart of a control method of an air conditioning device according to a third embodiment of the present application;
fig. 4 is a schematic structural diagram of a control device of an air conditioning device according to a fourth embodiment of the present application;
fig. 5 is a schematic structural diagram of a control device of an air conditioning device according to a fifth embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.
The application mainly aims at the technical problem that the purifying air quantity of the air conditioning device cannot be adjusted in the prior art, so that the purifying effect cannot be guaranteed, and provides a control method of the air conditioning device.
According to the control method of the air conditioning device, the first sensor is controlled to detect the air outlet speed of the air flow passing through the purification unit, then the air quantity or the air speed loss amount of the purification unit is determined according to the difference value between the air outlet speed and the reference air speed, and finally the rotating speed of the fan is adjusted according to the loss amount. Therefore, the rotating speed of the fan can be automatically adjusted according to the loss of the air quantity or the air speed, the purified air quantity of the air conditioning device can be adjusted, and the purification efficiency and the purification effect are ensured. In addition, the rotating speed of the fan changes along with the change of the loss amount, so that the condition that the fan runs at a higher rotating speed all the time to cause higher energy consumption can be avoided, and the energy consumption can be effectively reduced.
A control method, a device, and an air conditioning device of an embodiment of the present application are described below with reference to the drawings.
Fig. 1 is a flowchart illustrating a control method of an air conditioning device according to an embodiment of the present application.
In the embodiment of the application, the air conditioning device can be household appliances such as an air conditioner, an air purifier and an electric fan. The indoor unit of the air conditioning device is provided with an air outlet, a fan and a purification unit for purifying air flow output by the fan are arranged in an air channel communicated with the air outlet, and the air outlet is also provided with a first sensor for detecting air speed.
As shown in fig. 1, the control method of the air conditioning device includes the steps of:
step 101, controlling a first sensor to detect the air outlet speed of the air flow passing through a purification unit.
In the embodiment of the application, the purification unit is used for purifying solid pollutants and/or gas pollutants in the air duct, wherein the gas pollutants comprise formaldehyde, benzene, ozone, nitrogen oxides NOx (such as nitrous oxide N)2O, NO2Dinitrogen trioxide N2O3Dinitrogen tetroxide N2O4And dinitrogen pentoxide N2O5Etc.), Total Volatile Organic Compounds (TVOC for short), etcThe body contaminants include Total Suspended Particulates (TSP), respirable Particulates PM10, PM2.5, and the like.
Specifically, when the solid pollutants (such as inhalable particulate matters PM10, PM2.5 and the like) are purified by the purification unit, the solid pollutants are mainly adsorbed by the purification unit to achieve the purpose of purifying air, and the gaseous pollutants (such as formaldehyde, total volatile organic compounds and the like) can be adsorbed or decomposed by the purification unit. For example, when the gaseous pollutant is formaldehyde, it can be decomposed by a purification unit to obtain carbon dioxide CO2And water H20 or, when the gas pollutant is chlorine-containing volatile organic compound, decomposing the gas pollutant by using a purification unit to obtain carbon dioxide CO2Water H20, and others, without limitation.
In the embodiment of the present application, the first sensor is used for detecting wind speed, and may be, for example, a flow sensor, a differential pressure sensor, or the like. Specifically, the air flow output by the fan is purified by the purification unit, and then the outlet air speed of the air flow passing through the purification unit is detected by a first sensor arranged at the air outlet, for example, the outlet air speed is marked as v1 (m/s).
And 102, determining the air quantity or the loss quantity of the air speed of the purification unit according to the difference value between the air outlet speed and the reference air speed.
As a possible implementation, the reference wind speed may refer to the wind speed of the airflow before passing through the purification unit, i.e. the wind speed of the airflow passing between the fan and the purification unit. Specifically, a second sensor may be provided between the purifying unit and the fan, and the speed of the air flowing between the purifying unit and the fan may be detected by the second sensor, and the detected speed may be used as a reference speed, for example, to mark the reference speed as v2 (m/s). Wherein the second sensor may likewise be a flow sensor, a differential pressure sensor, or the like.
That is to say, in this application, can set up first sensor and second sensor respectively in the both sides of purifying unit, first sensor is used for detecting the air-out wind speed behind the air current through purifying unit, and the second sensor is used for detecting the reference wind speed of air current between purifying unit and the fan of flowing through. After the wind speed v1 and the reference wind speed v2 are determined, the wind speed and the reference wind speed may be differentiated to obtain the loss amount of the wind speed, for example, when the loss amount of the marker wind speed is Δ v, Δ v is equal to v2-v 1.
As another possible implementation manner, the reference wind speed v2 may also be a preset wind speed value, for example, preset by a built-in program of the air conditioning device, or may be set by a user to improve flexibility and adaptability of the control method, which is not limited in this respect. After the wind speed v1 and the reference wind speed v2 are determined, the wind speed and the reference wind speed may be differentiated to obtain the loss amount of the wind speed, for example, when the loss amount of the marker wind speed is Δ v, Δ v is equal to v2-v 1.
It will be appreciated that after determining the amount of loss of wind speed, the amount of loss of wind volume may be further calculated, for example, by marking the amount of loss of wind volume as Δ Q (m)3And/h), Δ Q3600 Δ v a, where a represents the cross-sectional area of the purification unit, which may be, for example, the area of a screen. Alternatively, the loss amount Δ Q of the air volume per unit time may be obtained by multiplying the loss amount of the air velocity by the cross-sectional area of the purifying means.
And 103, adjusting the rotating speed of the fan according to the loss amount.
In the embodiment of the application, after the loss amount of the wind speed or the loss amount of the wind volume is determined, the rotating speed of the fan can be adjusted according to the loss amount of the wind speed or the loss amount of the wind volume, so that the rotating speed of the fan can be automatically adjusted according to the loss amount of the wind volume or the wind speed, the purification wind volume of the air conditioning device can be adjusted, and the purification efficiency and the purification effect are ensured. In addition, the rotating speed of the fan changes along with the change of the loss amount, so that the condition that the fan runs at a higher rotating speed all the time to cause higher energy consumption can be avoided, and the energy consumption can be effectively reduced.
As an application scenario, in the process of purifying air by the purifying unit, dust adsorbed by the purifying unit is increased continuously, so that the loss amount of the wind speed or the loss amount of the wind volume is increased continuously, and under the condition that the loss amount of the wind speed or the loss amount of the wind volume is increased, the corresponding fan rotating speed can be increased in order to maintain the wind volume at the wind outlet.
As another application scenario, when the filter screen in the purification unit reaches the end of the service life, or a user replaces the filter screen according to the own purification requirement, the loss amount of the wind speed or the loss amount of the wind volume calculated after replacing the filter screen is smaller than the loss amount of the wind speed or the loss amount of the wind volume calculated before replacing the filter screen, so that under the condition that the loss amount of the wind speed or the loss amount of the wind volume is reduced, in order to maintain the wind volume of the outlet, the corresponding fan rotation speed can be reduced to reduce the energy consumption.
According to the control method of the air conditioning device, the first sensor is controlled to detect the air outlet speed of the air flow passing through the purification unit, then the air quantity or the air speed loss amount of the purification unit is determined according to the difference value between the air outlet speed and the reference air speed, and finally the rotating speed of the fan is adjusted according to the loss amount. Therefore, the rotating speed of the fan can be automatically adjusted according to the loss of the air quantity or the air speed, the purified air quantity of the air conditioning device can be adjusted, and the purification efficiency and the purification effect are ensured. In addition, the rotating speed of the fan changes along with the change of the loss amount, so that the condition that the fan runs at a higher rotating speed all the time to cause higher energy consumption can be avoided, and the energy consumption can be effectively reduced.
As one possible implementation manner, in step 103, a standard air volume may be preset, the loss amount of the air volume may be compared with the standard air volume, if the loss amount of the air volume is greater than the standard air volume, the fan rotation speed may be increased according to the difference between the loss amount of the air volume and the standard air volume in order to maintain the air volume of the outlet, and if the loss amount of the air volume is smaller than the set standard air volume, the fan rotation speed may be decreased according to the difference between the loss amount of the air volume and the standard air volume in order to reduce energy consumption.
The standard air volume may be preset by a built-in program of the air conditioning device, or may be set by a user to improve flexibility and applicability of the control method, which is not limited to this.
For example, the standard air volume is labeled Q1Loss amount of air quantity delta Q and standard air quantity Q1The difference is | Δ Q-Q1And marking the rotating speed of the fan needing to be increased or decreased as delta n (r/min). For | Δ Q-Q1In the case of | there is a predetermined relationship between | and Δ n, i.e. | Δ Q-Q1|＝f1(Δ n) so that when | Δ Q-Q is determined1After | can be substituted into the equation | Δ Q-Q1|＝f1(Δ n), and the corresponding Δ n is determined.
As another possible implementation manner, in step 103, a standard wind resistance may be preset, the loss amount of the wind speed is compared with the standard wind resistance, if the loss amount of the wind speed is greater than the standard wind resistance, the rotation speed of the fan may be increased according to the difference between the loss amount of the wind speed and the standard wind resistance in order to maintain the outlet wind volume of the air outlet, and if the loss amount of the wind speed is less than the set standard wind resistance, the rotation speed of the fan may be decreased according to the difference between the standard wind resistance and the loss amount of the wind speed in order to reduce energy consumption.
The standard wind resistance may be preset for a built-in program of the air conditioning device, or may be set by a user to improve flexibility and applicability of the control method, which is not limited in this respect.
For example, mark standard wind resistance as v1Loss amount of wind speed Δ v and standard wind volume v1The difference is | Δ v-v1L. For | Δ v-v1For | there is also a predetermined relationship between it and Δ n, i.e. | Δ v-v1|＝f2(Δ n) so that when | Δ v-v is determined1After | can be substituted into the equation | Δ v-v1|＝f2(Δ n), and the corresponding Δ n is determined.
As another possible implementation manner, for step 103, different purification modes and standard rotation speeds of the corresponding fans in each purification mode may be preset, and a corresponding relationship between the different purification modes and the loss amount of the wind speed or the loss amount of the wind volume may also be established, so that, in the present application, after determining the loss amount of the wind speed or the loss amount of the wind volume, the corresponding relationship may be queried to determine the corresponding purification mode, and then, the rotation speed of the fan may be adjusted to the standard rotation speed corresponding to the purification mode. The above process is described in detail below with reference to fig. 2.
Fig. 2 is a flowchart illustrating a control method of an air conditioning device according to a second embodiment of the present application.
As shown in fig. 2, based on the embodiment shown in fig. 1, step 103 may specifically include the following sub-steps:
step 201, if the fan is operated for the first time after the third sensor detects the opening and closing action for the last time, determining the purification mode of the purification unit according to the loss amount; wherein, adopt corresponding filter screen to carry out air purification under each purification mode.
In the embodiment of the application, the air duct is provided with an opening corresponding to the purification unit, the panel of the air conditioning device covers the opening, and a third sensor is arranged at the edge of the opening. The third sensor is used for detecting whether the panel has an opening and closing action, for example, the third sensor may be a pressure sensor or the like. Specifically, when the third sensor detects an opening and closing motion, it indicates that the user has replaced the filter screen, and when the third sensor does not detect an opening and closing motion, it indicates that the user has not replaced the filter screen.
In the embodiment of the present application, the purification mode may be an aldehyde removal mode, a PM removal 2.5 mode, an aldehyde removal PM removal 2.5 mode, or the like. When the fan detects the first operation after opening and shutting the action for the third sensor for the last time, the fan is the first operation after the filter screen is changed promptly, at this moment, can be according to the loss volume, confirm purification unit's purification mode. For example, a corresponding relationship between each purification mode and the loss amount may be established, and after the loss amount is determined, the purification mode of the purification unit may be determined by looking up the corresponding relationship according to the loss amount.
Wherein, the purification unit adopts the filter screen that corresponds to carry out air purification under each purification mode, for example, under removing aldehyde mode, adopts the high-efficient aldehyde filter screen that removes to carry out air purification, for example, under removing PM2.5 mode, adopts high-efficient dust removal filter screen to carry out air purification, under removing aldehyde and removing PM2.5 mode, adopts the high-efficient aldehyde filter screen that removes to carry out air purification.
And 202, adjusting the rotating speed of the fan to a standard rotating speed corresponding to the purification mode.
In the embodiment of the application, different purification modes and corresponding standard rotating speeds in the purification modes can be preset. After the purification mode of the purification unit is determined, the rotating speed of the fan can be adjusted to the standard rotating speed corresponding to the purification mode, the operation is simple, and the realization is easy.
From this, through under different purification mode, set up different standard rotational speeds, can be so that fan rotational speed and purification mode match, and then under the purification mode that corresponds, can guarantee to purify the amount of wind to guarantee purifying effect. In addition, under the purification mode, the fan is controlled to operate at the corresponding standard rotating speed, and the energy consumption can be reduced.
It should be noted that, in this embodiment of the application, only the example of adjusting the rotating speed of the fan according to the loss amount is used, and in practical application, the wind resistance of the purifying unit can be detected, and the rotating speed of the fan is adjusted according to the wind resistance. Specifically, the corresponding relationship between each purification mode and the wind resistance may be pre-established, and after the wind resistance of the purification unit is detected, the corresponding relationship may be queried to determine the corresponding purification mode, so that the rotation speed of the fan may be adjusted to the standard rotation speed corresponding to the purification mode. Therefore, the rotating speed of the fan can be determined according to different modes, and the applicability of the method is improved.
For example, the wind resistances corresponding to the aldehyde removal mode, the PM removal 2.5 mode, and the aldehyde removal PM removal 2.5 mode may be set as follows: 10pa, 20pa and 40pa, and if the detected wind resistance of the purification unit is 20pa, the rotating speed of the fan can be adjusted to the standard rotating speed corresponding to the PM2.5 removal mode.
It should be understood that, in practical application, a preset error range may exist in the loss amount or the wind resistance corresponding to each purification mode, and therefore, in the present application, after the loss amount or the wind resistance is obtained through calculation, the purification mode of the purification unit may be determined according to the preset error range (for example, 20%) and the loss amount (or the wind resistance), and the rotation speed of the fan is set to the standard rotation speed corresponding to the purification mode, so as to improve the accuracy of determining the rotation speed of the fan, thereby maintaining the air outlet volume of the air outlet, and improving the purification effect.
It should be noted that, in the process of actually using the purifying unit, as the using time of the filter screen is continuously increased, the wind resistance and the loss amount will be changed, for example, when the purifying unit is in the PM2.5 removing mode, after the purifying unit is used for one month, the wind resistance will be increased from 20pa to 25pa, and at this time, if the rotating speed of the fan is adjusted according to the standard rotating speed corresponding to the previously determined purifying mode, the purifying air volume and the purifying effect will not be ensured. Therefore, as a possible implementation manner of the embodiment of the present application, the standard rotation speed corresponding to the purge mode may be corrected according to the usage duration of the purge unit.
The corrected standard rotation speed and the service life have a positive relationship, for example, the corrected standard rotation speed and the service life may have a direct relationship, or the corrected standard rotation speed may increase with the increase of the service life.
For example, when the fan is not operated for the first time after the third sensor detects the opening and closing action for the last time, for example, after the purifying unit is used for one month, the wind resistance changes from 20pa to 25pa, that is, the wind resistance changes to 1.25 times of the previous wind resistance, the standard rotating speed corresponding to the purifying mode may be multiplied by 1.25, so as to obtain the corrected standard rotating speed.
In the embodiment of the application, after the standard rotating speed corresponding to the purification mode is corrected, the rotating speed of the fan can be adjusted to the standard rotating speed corresponding to the purification mode. Therefore, the standard rotating speed corresponding to the purification mode can be corrected in real time in the using process of the purification unit, so that the purification air quantity and the purification effect can be ensured.
As a possible implementation manner, when the concentration of the pollutant in the space where the air conditioning device is located is low, that is, when the air quality is good, the user is comfortable when the user is located in the space where the air conditioning device is located, therefore, the purification unit does not need to be started to purify the gas in the air duct, and when the concentration of the pollutant is high, the air quality is low, at this time, the purification unit can be started to purify the gas in the air duct, so as to improve the comfort of the environment in the space where the air conditioning device is located. The above process is described in detail below with reference to fig. 3.
Fig. 3 is a flowchart illustrating a control method of an air conditioning device according to a third embodiment of the present application.
As shown in fig. 3, on the basis of the embodiments shown in fig. 1-2, before step 101, the control method of the air conditioning device may further include the following steps:
step 301, detecting air quality.
In the embodiment of the application, the indoor unit can also be provided with an air quality detection unit, and the air quality is detected by controlling the air quality detection unit. The air quality detection unit is used for detecting the concentration of the gas pollutants and/or the concentration of the fixed pollutants in the space where the air conditioning device is located.
In the embodiment of the present application, the air quality detecting unit may be a correlation sensor, and the gas pollutant concentration and/or the fixed pollutant concentration in the indoor environment are detected by the correlation sensor, for example, the PM2.5 concentration may be detected by the PM2.5 sensor, the formaldehyde concentration may be detected by the formaldehyde sensor, the TVOC concentration may be detected by the TVOC sensor, and the like, so as to determine the air quality according to the detected gas pollutant concentration and/or fixed pollutant concentration. For example, air quality is better when the concentration of gaseous pollutants is lower and the concentration of fixed pollutants is lower, and air quality is lower when the concentration of gaseous pollutants is higher and/or the concentration of fixed pollutants is higher.
Step 302, if the air quality indicates that the concentration of the pollutant is greater than the threshold concentration, the purification unit is started to purify the air in the air duct.
In an embodiment of the present application, the air quality is used to indicate a contaminant concentration in a space in which the air conditioning device is located, wherein the contaminant concentration includes a gaseous contaminant concentration and/or a fixed contaminant concentration. Specifically, when the pollutant concentration only includes the gas pollutant, the gas pollutant concentration detected by the air quality detection unit can be directly used as the pollutant concentration in the space where the air conditioning device is located; when the pollutant concentration only comprises solid pollutants, the solid pollutant concentration detected by the air quality detection unit can be directly used as the pollutant concentration in the space where the air conditioning device is located; when the pollutant concentration includes gas pollutant concentration and solid pollutant concentration simultaneously, can directly carry out the weighting summation with the gas pollutant concentration and the solid pollutant concentration that air quality detecting element detected and obtain the pollutant concentration of air conditioner place space, for example, can set up the weight value that gas pollutant concentration and solid pollutant concentration correspond in advance, after the gas pollutant concentration and the solid pollutant concentration that air quality detecting element detected, can be according to the weight value that gas pollutant concentration and solid pollutant concentration correspond, carry out the weighting summation to gas pollutant concentration and solid pollutant concentration, obtain the pollutant concentration in above-mentioned air conditioner place space.
It should be noted that, when the types of the gas pollutants are multiple, after the concentration of each gas pollutant is obtained, the concentrations of the multiple gas pollutants can be weighted and summed to obtain the concentration of the gas pollutant in the space where the air conditioning device is located, for example, after the concentration of formaldehyde, the concentration of NOx, and the concentration of TVOC are obtained through detection, the concentration of formaldehyde, the concentration of NOx, and the concentration of TVOC can be weighted and summed according to the preset weight values corresponding to the concentration of formaldehyde, the concentration of NOx, and the concentration of TVOC to obtain the concentration of the gas pollutant in the space where the air conditioning device is located. Similarly, when the types of the solid pollutants are multiple, after the concentration of each solid pollutant is obtained, the concentrations of the multiple solid pollutants can be weighted and summed to obtain the concentration of the solid pollutants in the space where the air conditioning device is located.
It can be understood that, when gaseous pollutant concentration is lower and fixed pollutant concentration is lower, at this moment, the air quality preferred, it is comparatively comfortable when the user is in this air conditioning equipment place space, consequently, can need not to launch the gas that purification unit purified in the wind channel, and when gaseous pollutant concentration is higher and/or fixed pollutant concentration is higher, the air quality is lower, at this moment, can launch the gas that purification unit purified in the wind channel, in order to promote the travelling comfort of the environment in air conditioning equipment place space.
Therefore, in this application embodiment, when air quality indicates that pollutant concentration is greater than threshold value concentration, at this moment, can launch the purification unit that sets up in the wind channel between air outlet and the air intake and purify the gas in the wind channel to promote the air quality of air outlet air-out, and then promote the travelling comfort of the environment in air conditioning equipment place space. And when the air quality indicates that the contaminant concentration is less than or equal to the threshold concentration, no treatment may be performed.
The threshold concentration may be preset by a built-in program of the air conditioning apparatus, or may be set by a user to improve the applicability and flexibility of the control method, which is not limited thereto. It should be understood that the threshold concentration is a safe concentration suitable for human habitation.
According to the control method of the air conditioning device, the air quality is detected, and when the air quality indicates that the pollutant concentration is greater than the threshold concentration, the purification unit is started to purify the air in the air channel. Therefore, pollutants in the space where the air conditioning device is located can be removed, and the comfort of the environment in the space where the air conditioning device is located is improved.
In order to realize the above embodiments, the present application also proposes a control device of an air conditioning device.
Fig. 4 is a schematic structural diagram of a control device of an air conditioning device according to a fourth embodiment of the present application.
In this application embodiment, air conditioning equipment's indoor set is provided with the air outlet, is provided with the fan in the wind channel with the air outlet intercommunication and purifies the unit to the air current of fan output, and the air outlet still is provided with the first sensor that is used for detecting the wind speed.
As shown in fig. 4, the control device of the air conditioning device includes: a detection module 110, a determination module 120, and a control module 130.
The detection module 110 is configured to control the first sensor to detect an outlet air speed of the airflow passing through the purification unit.
The determining module 120 is configured to determine an amount of air or a loss amount of the air speed to the purifying unit according to a difference between the outlet air speed and the reference air speed.
And the control module 130 is used for adjusting the rotating speed of the fan according to the loss amount.
As a possible implementation manner of the embodiment of the present application, referring to fig. 5, on the basis of the embodiment shown in fig. 4, the control device of the air conditioning device may further include: a correction module 140 and a purge module 150.
As a possible implementation, a second sensor is further provided between the purification unit and the fan.
The control module 130 is further configured to control the second sensor to detect a speed of the airflow passing between the purification unit and the fan.
The determining module 120 is further configured to determine a reference wind speed according to the wind speed between the purifying unit and the fan.
As a possible implementation manner, the control module 130 is specifically configured to: if the loss of the air volume is larger than the set standard air volume, increasing the rotating speed of the fan according to the difference between the loss of the air volume and the standard air volume; and if the loss of the air volume is smaller than the set standard air volume, reducing the rotating speed of the fan according to the difference between the standard air volume and the loss of the air volume.
As another possible implementation manner, the control module 130 is specifically configured to: if the loss amount of the wind speed is larger than the set standard wind resistance, increasing the rotating speed of the fan according to the difference between the loss amount of the wind speed and the standard wind resistance; and if the loss amount of the wind speed is smaller than the set standard wind resistance, reducing the rotating speed of the fan according to the difference between the standard wind resistance and the loss amount of the wind speed.
As a possible implementation manner, the determining module 120 is specifically configured to: and determining the difference between the air outlet speed and the reference air speed as the loss amount of the air speed, and multiplying the loss amount of the air speed by the sectional area of the purification unit to obtain the loss amount of the air volume in unit time.
As a possible implementation mode, the air duct is provided with an opening corresponding to the position of the purification unit, a panel of the air conditioning device covers the opening, and a third sensor is arranged at the edge of the opening and used for detecting whether the panel has opening and closing actions.
The control module 130 is specifically configured to: if the fan operates for the first time after the third sensor detects the opening and closing action for the last time, determining the purification mode of the purification unit according to the loss amount; wherein, the air purification is carried out by adopting a corresponding filter screen in each purification mode; and adjusting the rotating speed of the fan to the standard rotating speed corresponding to the purification mode.
As a possible implementation manner, the control module 130 is further configured to query a corresponding relationship between the purification mode and the loss amount according to the loss amount to determine the purification mode of the purification unit.
The correction module 140 is configured to correct the standard rotation speed corresponding to the purification mode according to the service life of the purification unit if the fan is not operated for the first time after the third sensor detects the opening and closing action for the last time; and the corrected standard rotating speed has a positive relation with the service life.
And the control module 130 is further configured to adjust the fan to the corrected standard rotating speed.
As a possible implementation manner, the detection module 110 is further configured to: and detecting the air quality.
And the purification module 150 is used for starting the purification unit to purify the gas in the air duct when the air quality indicates that the pollutant concentration is greater than the threshold concentration.
It should be noted that the foregoing explanation of the embodiment of the control method of the air conditioning apparatus is also applicable to the control apparatus of the air conditioning apparatus of this embodiment, and will not be described again here.
The control device of the air conditioning device provided by the embodiment of the application detects the air outlet speed of the air flow after passing through the purification unit by controlling the first sensor, then determines the loss amount of the air volume or the air speed of the purification unit according to the difference value between the air outlet speed and the reference air speed, and finally adjusts the rotating speed of the fan according to the loss amount. Therefore, the rotating speed of the fan can be automatically adjusted according to the loss of the air quantity or the air speed, the purified air quantity of the air conditioning device can be adjusted, and the purification efficiency and the purification effect are ensured. In addition, the rotating speed of the fan changes along with the change of the loss amount, so that the condition that the fan runs at a higher rotating speed all the time to cause higher energy consumption can be avoided, and the energy consumption can be effectively reduced.
In order to realize the above-mentioned embodiment, this application still provides an air conditioning equipment, and air conditioning equipment's indoor set is provided with the air outlet, is provided with the fan in the wind channel with the air outlet intercommunication and carries out the purification unit that purifies to the air current of fan output, and the air outlet still is provided with the first sensor that is used for detecting the wind speed, and air conditioning equipment still includes: the present invention relates to a control method for an air conditioning device, and more particularly, to a control method for an air conditioning device, which is capable of controlling an air conditioning device according to an embodiment of the present invention.
In order to achieve the above embodiments, the present application also proposes a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements a control method of an air conditioning apparatus as proposed in the foregoing embodiments of the present application.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing steps of a custom logic function or process, and alternate implementations are included within the scope of the preferred embodiment of the present application in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. If implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims (10)

1. A control method of an air conditioning device is characterized in that an indoor unit of the air conditioning device is provided with an air outlet, a fan and a purification unit for purifying airflow output by the fan are arranged in an air duct communicated with the air outlet, the air outlet is also provided with a first sensor for detecting the air speed, an opening is arranged in the air duct corresponding to the purification unit, a panel of the air conditioning device covers the opening, and a third sensor is arranged on the edge of the opening and used for detecting whether the panel has opening and closing actions, and the method comprises the following steps:
controlling the first sensor to detect the air outlet speed of the air flow passing through the purification unit;
determining the air quantity or the loss quantity of the air speed of the purification unit according to the difference value between the air outlet speed and the reference air speed;
and adjusting the rotating speed of the fan according to the loss amount, wherein if the fan is the first operation of the third sensor after the third sensor detects the opening and closing action for the last time, the corresponding relation between the purification mode and the loss amount is inquired according to the loss amount, the purification mode of the purification unit is determined, the corresponding filter screen is adopted to carry out air purification in each purification mode, and the rotating speed of the fan is adjusted to the standard rotating speed corresponding to the purification mode.
2. The control method according to claim 1, wherein a second sensor is further provided between the purification unit and the fan, and before determining the amount of air or the amount of air loss for the purification unit according to the difference between the outlet air speed and the reference air speed, the method further comprises:
controlling the second sensor to detect a speed of air flowing between the purification unit and the fan;
and determining the reference wind speed according to the wind speed between the purification unit and the fan.
3. The control method according to claim 1, wherein the adjusting the fan speed according to the loss amount includes:
if the loss of the air volume is larger than the set standard air volume, increasing the rotating speed of the fan according to the difference between the loss of the air volume and the standard air volume;
and if the loss of the air volume is smaller than the set standard air volume, reducing the rotating speed of the fan according to the difference between the standard air volume and the loss of the air volume.
4. The control method according to claim 1, wherein the adjusting the fan speed according to the loss amount includes:
if the loss amount of the wind speed is larger than the set standard wind resistance, increasing the rotating speed of the fan according to the difference between the loss amount of the wind speed and the standard wind resistance;
and if the loss amount of the wind speed is smaller than the set standard wind resistance, reducing the rotating speed of the fan according to the difference between the standard wind resistance and the loss amount of the wind speed.
5. The control method according to claim 1, wherein the determining the amount of air or air speed loss for the purification unit based on the difference between the outlet air speed and a reference air speed comprises:
determining the difference between the wind outlet speed and the reference wind speed as the loss amount of the wind speed;
and multiplying the loss amount of the wind speed by the sectional area of the purification unit to obtain the loss amount of the wind volume in unit time.
6. The control method according to claim 1, wherein after the adjusting the fan speed to the standard speed corresponding to the purge mode, the method further comprises:
if the fan is not operated for the first time after the third sensor detects the opening and closing action for the last time, correcting the standard rotating speed corresponding to the purification mode according to the service life of the purification unit; wherein, the corrected standard rotating speed and the service life have a positive relation;
and adjusting the fan to the corrected standard rotating speed.
7. The control method according to any one of claims 1 to 6, wherein before detecting the wind speed of the outlet air after the air flow passes through the purification unit, the method further comprises:
detecting the air quality;
and if the air quality indicates that the pollutant concentration is greater than the threshold concentration, starting the purification unit to purify the air in the air channel.
8. The utility model provides an air conditioning equipment's controlling means, its characterized in that, air conditioning equipment's indoor set is provided with the air outlet, with be provided with the fan in the wind channel of air outlet intercommunication and to carry out the purification unit that purifies to the air current of fan output, the air outlet still is provided with the first sensor that is used for detecting the wind speed, the wind channel corresponds the purification unit position is provided with the opening, air conditioning equipment's panel covers the opening, and the opening border is provided with the third sensor, is used for detecting whether there is the action of opening and shutting in the panel, the device includes:
the detection module is used for controlling the first sensor to detect the air outlet speed of the air flow passing through the purification unit;
the determining module is used for determining the air quantity or the loss quantity of the air speed for the purifying unit according to the difference value between the air outlet speed and the reference air speed;
and the control module is used for adjusting the rotating speed of the fan according to the loss amount, inquiring the corresponding relation between a purification mode and the loss amount according to the loss amount if the fan is operated for the first time after the third sensor detects the opening and closing action for the last time, determining the purification mode of the purification unit, adopting a corresponding filter screen to purify air in each purification mode, and adjusting the rotating speed of the fan to the standard rotating speed corresponding to the purification mode.
9. The utility model provides an air conditioning equipment, its characterized in that, air conditioning equipment's indoor set is provided with the air outlet, with be provided with the fan in the wind channel of air outlet intercommunication and to the purification unit that the air current of fan output purifies, the air outlet still is provided with the first sensor that is used for detecting the wind speed, air conditioning equipment still includes: memory, processor and computer program stored on the memory and executable on the processor, which when executing the program implements a control method according to any of claims 1 to 7.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the control method according to any one of claims 1 to 7.
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