CN114251690A - Air purification control method and device, range hood and readable medium - Google Patents

Air purification control method and device, range hood and readable medium Download PDF

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Publication number
CN114251690A
CN114251690A CN202010996002.6A CN202010996002A CN114251690A CN 114251690 A CN114251690 A CN 114251690A CN 202010996002 A CN202010996002 A CN 202010996002A CN 114251690 A CN114251690 A CN 114251690A
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China
Prior art keywords
component
parameter
air quality
air
value
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CN202010996002.6A
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Chinese (zh)
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CN114251690B (en
Inventor
何雄明
魏中科
刘智
全永兵
曲绍鹤
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Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
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Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • F24C15/2021—Arrangement or mounting of control or safety systems
    • 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
    • F24F11/70—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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0096—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater combined with domestic apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/18—Details or features not otherwise provided for combined with domestic apparatus
    • 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)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Fluid Mechanics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Ventilation (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention discloses an air purification control method, an air purification control device, a range hood and a readable medium, wherein the air purification control method comprises the following steps: acquiring air quality parameters; under the condition that the first component operates, the air quality parameter is detected to exceed a preset value interval, and the second component is controlled to operate, wherein the first component is a purifying component and the second component is a fan, or the first component is a fan and the second component is a purifying component. According to the invention, the air quality parameter in the environment is obtained, and the parameter is determined to exceed the preset numerical value interval, so that the operation parameters of the purification component and the fan are cooperatively controlled, and the air purification capacity is reasonably improved; the method also utilizes a preset numerical value interval to accurately judge the air quality in the current environment, so as to avoid increasing the power consumption of the equipment; the sectional type control mode that first part and second part operate successively has reduced the noise that starts fan and purification unit simultaneously and produced, but wide application in smoke ventilator technical field.

Description

Air purification control method and device, range hood and readable medium
Technical Field
The invention relates to the technical field of range hoods, in particular to an air purification control method and device, a range hood and a readable medium.
Background
In a general closed kitchen, because the kitchen is closed when being idle, no matter the oil smoke is generated during cooking; or when the cooking is not finished, the fume smell flowing backwards from the outdoor and the pipeline of the range hood can cause the air in the space to be polluted and the peculiar smell to be serious, thereby causing the physiological discomfort of the user.
Generally, a range hood, a ventilator, or other purification equipment is used to ventilate and deodorize the air in the kitchen space. On one hand, most of the existing devices such as the range hood, the ventilator and the like execute the actions of ventilation and odor removal by receiving user instructions, and the power of the devices cannot be controlled according to the real-time air quality in the space in the working process; on the other hand, in order to improve the air purification intensity, a plurality of purification devices are generally adopted for ventilation in the prior art, but due to the simultaneous operation of a plurality of devices, reasonable cooperative control is lacked, so that the noise in the space is too large, and meanwhile, the waste of power resources is also caused.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an air purification control method, device, range hood and readable medium with low power consumption and high efficiency.
An air purification control method according to an embodiment of a first aspect of the present invention includes the steps of:
acquiring air quality parameters;
under the condition that the first component operates, the air quality parameter is detected to exceed a preset value interval, and the second component is controlled to operate, wherein the first component is a purifying component and the second component is a fan, or the first component is a fan and the second component is a purifying component.
According to the air purification control method provided by the embodiment, at least the following beneficial effects are achieved:
the method comprises the steps that the air quality parameters in the environment are obtained, and the parameters are determined to exceed a preset numerical value interval, so that the operation parameters of a purification component and a fan are cooperatively controlled; the embodiment reasonably improves the air purification capacity, and simultaneously utilizes the preset numerical value interval to accurately judge the air quality in the current environment, thereby avoiding the condition that the power consumption of the equipment is increased without considering the air quality of the environment; the segmented control of the sequential operation of the first and second components reduces the noise generated by the simultaneous activation of the fan and the cleaning component.
In the above embodiment, the air purification control method may further include:
detecting that the air quality parameter is within a preset value interval, and controlling the first component to operate according to a first parameter; wherein the first parameter is positively correlated with the air quality parameter.
This embodiment is through the air quality parameter that obtains that detects, and the definite parameter is in presetting the numerical value interval, through positive correlation, improves the operating parameter of part along with the increase of air quality parameter, compares in the control mode of artificially selecting the gear, and is more intelligent, can promote simultaneously and purify work efficiency.
In the above embodiment, the step of controlling the first component to operate at the first parameter when the air quality parameter is detected to be within the preset value range includes:
determining a first difference value according to the lower limit value of the preset value interval and the air quality parameter; the first difference value is positively correlated with the first parameter;
and determining a first parameter according to the first difference value.
In the embodiment, by determining the difference value between the lower limit of the interval and the air quality parameter and further controlling the operation of the component according to the difference value, more accurate control can be realized and the efficiency of the purification process is further improved compared with the control according to the positive correlation relation between the first parameter and the air quality; and meanwhile, the operation parameters of the components are in a reasonable range, and unnecessary power resource consumption is avoided.
In the above embodiment, the air purification control method may further include:
determining that the air quality parameter is greater than or equal to a first preset value, acquiring a rated value of the first parameter as a first rated value, and controlling the first component to operate according to the first rated value;
the first parameter is an operation parameter of the first component, and the first preset value is larger than or equal to an upper limit value of a preset value interval.
The embodiment maintains the first component to operate at the rated parameter value after the air quality exceeds the preset value, and plays a role in protecting equipment while improving the purification efficiency.
In the above embodiment, the air quality parameter may be positively correlated with the operating parameter of the second component.
This embodiment is when the air quality parameter that obtains that detects when presetting numerical value interval, and the accessible positive correlation improves the operating parameter of part along with the increase of air quality parameter, compares in the control mode of artificially selecting the gear, and is more intelligent, can promote simultaneously and purify work efficiency.
In the above embodiment, the step of controlling the second component to operate at the second parameter when the air quality parameter is detected to exceed the preset value interval includes:
determining a second difference value according to an upper limit value of a preset value interval and the air quality parameter; wherein the second difference value is positively correlated with a second parameter of the second component; the second parameter is an operating parameter of the second component.
And determining a second parameter according to the second difference value, and controlling the second component to operate at the second parameter.
In the embodiment, the operation parameters of the second component are determined according to the difference value between the upper limit value of the preset interval and the air quality parameter; the purification efficiency is improved, and meanwhile, the accurate control is realized through the difference value.
In the above embodiment, the step of controlling the second component to operate when the air quality parameter is detected to exceed the preset value interval may further include:
determining that the air quality parameter is greater than or equal to a second preset value, acquiring a rated value of the second parameter as a second rated value, and controlling a second component to operate according to the second rated value;
and the second preset value is larger than the upper limit value of the preset value interval.
In the present embodiment, by determining that the air quality parameter exceeds the second preset value, the control section operates at the rated parameter value (for example, both sections perform air purification at the maximum power value), thereby improving the efficiency of air purification.
An air purification control apparatus according to an embodiment of a second aspect of the present invention includes;
the parameter acquisition unit is used for acquiring air quality parameters;
and the control unit is used for detecting that the air quality parameter exceeds a preset value interval under the condition that the first component operates, and controlling the second component to operate.
The device that this implementation provided, it has following beneficial effect at least:
executing a program on a memory through a processor to obtain an air quality parameter in the environment, and determining that the parameter exceeds a preset numerical value interval, thereby realizing the cooperative control of the operation parameters of the purification component and the fan; the air quality in the current environment is accurately judged by utilizing the preset numerical value interval, so that the increase of equipment power consumption caused by no consideration of the air quality of the environment is avoided; the segmented control of the sequential operation of the first and second components reduces the noise generated by the simultaneous activation of the fan and the cleaning component.
An air purification control apparatus according to an embodiment of a third aspect of the present invention includes:
at least one processor;
at least one memory for storing at least one program;
when the at least one program is executed by the at least one processor, the at least one processor is caused to implement the air purification control method as described above.
The air purification control device provided by the embodiment of the invention has at least the following beneficial effects:
through presetting the numerical value interval, confirm that the air quality parameter in the environment falls into or surpasss this interval, realize the segmentation control of purifying part and fan, when rationally promoting air purification ability, reduce the energy consumption of equipment operation process to reduce the noise that produces in the operation process.
A range hood according to a fourth aspect embodiment of the present invention includes the above air purification control apparatus.
The range hood provided by the embodiment of the invention at least has the following beneficial effects:
the built-in control device of the range hood can accurately judge the air quality in the current environment by utilizing a preset numerical value interval, and avoids increasing the equipment power consumption because the air quality of the environment is not considered; the segmented control of the sequential operation of the first and second components reduces the noise generated by the simultaneous activation of the fan and the cleaning component.
In the above oil smoke pumping embodiment, the range hood may further include a purification part and a fan, both of which are connected to the air purification control device.
In this embodiment, by smoke ventilator's main control unit control purification part and fan collaborative work, can realize intelligent, accurate control, can carry out air purification high-efficiently and with low energy consumption.
A computer-readable storage medium according to an embodiment of the fifth aspect of the present invention, on which a processor-executable program is stored, the processor-executable program, when being executed by a processor, is for implementing the air purification method as above.
The computer-readable storage medium according to the embodiment of the invention has at least the following advantages:
acquiring air quality parameters in the environment by executing a program executable by a processor, and determining that the parameters exceed a preset numerical value interval, thereby realizing the cooperative control of the operation parameters of the purification component and the fan; the embodiment reasonably improves the air purification capacity, and simultaneously utilizes the preset numerical value interval to accurately judge the air quality in the current environment, thereby avoiding the increase of equipment power consumption caused by not considering the air quality of the environment; the segmented control of the sequential operation of the first and second components reduces the noise generated by the simultaneous activation of the fan and the cleaning component.
Drawings
The above and/or additional aspects and advantages of the present invention 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 connection relationship diagram of a main controller, a gas sensor, a purification unit, a fan, and a power module in a range hood according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an air purification control apparatus according to an embodiment of the present invention;
FIG. 3 is a flow chart illustrating steps of an air purification control method according to an embodiment of the present invention;
FIG. 4 is a flowchart illustrating steps of controlling operation of a first component according to an air quality parameter in an air purification control method according to an embodiment of the present invention;
FIG. 5 is a flowchart illustrating steps of controlling a first component to operate according to a lower limit of a preset value range and an air quality parameter in the air purification control method according to an embodiment of the present invention;
FIG. 6 is a flowchart illustrating steps of controlling operation of a second component according to an air quality parameter in an air purification control method according to an embodiment of the present invention;
FIG. 7 is a flowchart illustrating steps of controlling the operation of the second component according to the lower limit of the preset value range and the air quality parameter in the air purification control method according to the embodiment of the invention;
FIG. 8 is a flowchart illustrating another step of controlling the operation of the second component according to the air quality parameter in the air purification control method according to the embodiment of the present invention;
fig. 9 is a schematic structural diagram of another air purification control device according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, 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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, and the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood to exclude the essential numbers. If there is a description to first, second, third etc. for the purpose of distinguishing between technical features, it is not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated or to implicitly indicate the precedence of technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
First, the terms of the related nouns referred to in the embodiments of the present application are introduced and explained:
total Volatile Organic Compounds (TVOC): organic matter with saturated vapor pressure over 133.32pa at room temperature has boiling point of 50-250 deg.c, and may be evaporated in air at room temperature, and its toxicity, irritation, carcinogenicity and special smell may affect skin and mucous membrane and produce acute damage to human body.
The following is a description of the main mechanism of the range hood example in the present embodiment. As shown in fig. 1, the range hood in this embodiment mainly includes a main controller 100, a gas sensor 101, a purification part 102, and a fan 103.
The main controller 100 is mainly configured to obtain an air quality parameter in an environment obtained by the gas sensor 101, and receive a digital signal of the air quality parameter obtained by conversion in a communication connection manner such as a CAN bus after analog-to-digital conversion. It will be appreciated that the air quality parameters in the examples include primarily the level of contaminants in the air, such as respirable solid particles, and volatile, toxic organic compounds. The main controller 100 controls the operation of the purge unit 102 and the fan 103 according to the received air parameter signal uploaded by the gas sensor 101 and a control program written in the main controller 100 in advance. It is understood that controlling the operational status of the decontaminating members 102 and fans 103 may include, but is not limited to, shutting down, starting up, increasing their operating parameters, and decreasing their operating parameters; the operation parameters include the rotation speed, the intake air amount, the power and the like of the motor. A control program in the main control 100 sends control signals to the purification component 102 and the fan 103 according to a preset numerical value interval or range and signals of the air quality parameters acquired in real time, so that the purification component 102 and the fan 103 work cooperatively to purify air in the environment; wherein the cooperative control can be that the purification component 102 and the fan 103 are started one by one according to different parameter values. The air purification may include removing odor and ventilating.
The main controller may include: a processor (e.g., CPU, single-chip), a bus, a user interface, and a memory. Wherein a communication bus is used to enable communication connections between these components. The user interface may comprise an electronic display screen, an input unit such as interactive keys, etc. The user interface may also include a standard wired interface, a wireless interface.
The gas sensor 101 in the range hood is used for collecting the pollutant content in the air in the environment, converting the pollutant content to obtain an analog signal of the air quality parameter, and uploading the analog signal to the main controller 100 after further analog-to-digital conversion. Optionally, the gas sensor 101 may have an offline monitoring function, which may not only obtain the air quality parameter in the environment in real time when the range hood is turned on, but also monitor the content of pollutants in the air environment offline when the range hood is not in use, for example, gas pollutants drifting into the room from the outdoors, or gas such as oil smoke entering the kitchen due to backflow of gas in the range hood pipeline. Through gas sensor 101's off-line monitoring function, can realize the self-starting of lampblack absorber, carry out the air purification in the environment automatically, bring more comfortable user experience. It is understood that the contaminants in the air environment may include the content of respirable solid particles, as well as volatile, toxic organics; correspondingly, the gas sensor 101 may monitor the content of inhalable solid particles and TVOC, for example, the gas sensor 101 may include at least one TVOC sensor, by which the content of TVOC in the air environment is collected. Alternatively, the TVOC gas collected includes, but is not limited to, benzene series, organic chlorides, freon series, organic ketones, amines, alcohols, ethers, esters, acids, petroleum hydrocarbon compounds, and the like in an air environment.
The range hood purification component 102 and the fan 103 are configured to switch to different operating modes according to a control signal issued by the main controller 100 in real time, for example, according to a command signal issued by the main controller 100 to start the purification component 102, to start a motor of the purification component 102. Or according to a command signal for increasing the rotation speed of the motor of the purification component 102 and a command signal for starting the fan 103, which are simultaneously issued by the main control 100, the fan in the range hood is started while the rotation speed of the motor of the purification component 102 is increased, and air purification in the environment is cooperatively performed through the cooperation of the fan and the fan. The purification component and the fan are both units with air purification function, and the component replacement of the cleaning unit can be carried out according to different requirements; for example, the first member of the range hood is a cleaning member and the second member is a fan, and since the requirement for ventilation is high, the first member can be replaced with a fan, and the ventilation task in the environment can be performed in cooperation with the two fans of the first member and the second member. It will be appreciated that the purification component in the range hood, as distinguished from the fan of the second component, includes, but is not limited to, a fan with a composite screen, a fan with an activated carbon screen, etc.
It will be appreciated that in a range hood, a power module 104 may be included which can convert mains electricity into direct current for other modules or components when powered; also have the accumulate ability simultaneously, when the outage, for modules such as TVOC sensor and main control unit power supply, can switch on the power supply when necessary, start purification part and fan.
Those skilled in the art will appreciate that the configurations shown in fig. 1 and 2 do not constitute limitations on the apparatus, and may include more or fewer components than shown, or some components in combination, or a different arrangement of components.
Based on the hardware structures of fig. 1 and fig. 2, various embodiments of the air purification control method of the range hood in the present application can be provided.
Referring to fig. 3, fig. 3 is a flowchart illustrating steps of an air purification control method according to an embodiment of the present application. The air purification control method can be applied to a range hood or other devices with air purification capacity; it may include, but is not limited to, the following steps:
s300, acquiring air quality parameters;
s301, under the condition that the first component operates, detecting that the air quality parameter exceeds a preset value interval, and controlling the second component to operate; wherein the first component may be a decontaminating component; the second component may be a fan; or the first component may be a decontaminating component; the second component may be a fan. It will be appreciated by those skilled in the art that the first component as well as the second component may be replaceable as required for a particular environmental condition or decontamination task.
According to lampblack absorber in the course of the work, to the consideration of purification capacity, operation mode and noise pollution, the smoke ventilator of this embodiment can be through obtaining the air quality parameter in the environment, according to the numerical value interval that predetermines, obtains the operating parameter (for example the rotational speed of motor) of purifying part and fan, carries out air purification according to this operating parameter control purifying part and fan.
Specifically, the air quality parameter is obtained by collecting polluted gas or pollutants in the environment through a gas sensor in the range hood; for example, the total volatile organic compounds TVOC in the kitchen environment are collected by TVOC sensors, and the sensors can obtain corresponding control quality parameter signals according to the concentration of the TVOC. In step S301, the preset value interval is a working interval of the first component, and in this interval, the task of air purification can be performed by the purification component or the fan alone, and if the preset value interval is exceeded, it should be understood that the air quality parameter is greater than the upper limit value of the preset value interval, which indicates that the air quality in the environment is poor, and exceeds the rated capacity range of the single purification component or the fan, the task of air purification needs to be assisted by the second component.
It will be appreciated that if the first component is a purge component, then the second component that is subsequently turned on should be a fan; if the first component is a fan, the subsequently opened second component should be a purge component. For example: in one embodiment, the first component is set as a purification component, the second component is set as a fan, the preset value interval is [ A, B ], the value of the air quality parameter acquired and obtained by the odor sensor is C, and the C is determined to be greater than B through a program executed by the main controller, so that the fan is started again by the range hood under the condition that the purification component is already working, the purification component is assisted to purify air, the purification component absorbs odor gas, and the fan performs ventilation.
For another example, in another embodiment, the first component is set as a fan, the second component is set as a purification component, the preset value interval is [ a, B ], the content of TVOC in the environment is acquired and obtained through a TVOC sensor, the value of the air quality parameter is C, it is determined through a program executed by the master controller that C is greater than B, and the value of C acquired through the TVOC sensor is increasing. Under the condition that the fan works, the range hood starts the purification part, and the operation parameters of the purification part, such as the rotating speed of the motor, are gradually improved, and the air purification force is increased; and determining that the value of C collected by the TVOC sensor is continuously reduced, the operating parameters of the purifying part can be gradually reduced, so that the generation of noise is reduced, and the energy conservation and consumption reduction are realized.
As can be seen from the above, in the embodiment of the present invention, the operation parameters of the purification component or the fan are determined by presetting a value interval and monitoring the obtained air quality parameters in the environment, such as the total amount of TVOCs; the air purification capacity is reasonably improved, meanwhile, the air quality in the current environment is accurately judged by using a preset numerical value interval, and the condition that the power consumption of equipment is increased because the air quality of the environment is not considered is avoided; the segmented control of the sequential operation of the first and second components reduces the noise generated by the simultaneous activation of the fan and the cleaning component.
Referring to fig. 4, as will be understood in conjunction with fig. 4, the air purification control method, in which determining the first parameter and controlling the first component to operate at the first parameter, may further include the steps of:
s401, controlling a first component to operate according to a first parameter when the air quality parameter is detected to be within a preset value interval; wherein the first parameter is positively correlated with the air quality parameter.
Specifically, the first parameter is an operation parameter of the first component, which includes, but is not limited to, a rotation speed of the motor, an actual power of the motor, an exhaust air volume, and the like. In the implementation of the air purification control method shown in fig. 3, in some possible cases, the air quality parameter acquired by the gas sensor or the TVOC sensor in step S400 does not exceed a preset value interval, for example: the air quality parameter is in the preset value interval; or the air quality parameter is smaller than the lower limit value of the preset value interval. Aiming at the condition that the air quality parameter is in the preset value interval, the range hood can control a single component to independently purify air. And in the range of the preset value interval, the air quality parameter and the operation parameter of the component are in a positive correlation mapping relation. For example, the air quality parameter and the operation parameter of the component are in a direct proportional function relationship, and if the air quality parameter in the environmental energy is monitored to be increased, the operation parameter of the component is gradually increased so as to improve the air purification efficiency; or if the air quality parameter in the environment energy is monitored to be gradually reduced, the operation parameter of the component can be gradually reduced, and unnecessary waste of power resources can be avoided.
It is understood that in the steps of this embodiment, the first component may be a blower, a purifying component, and other components or assemblies with air purifying capability. For example, in an embodiment, the first component is configured as a cleaning component, a value interval set in a program of the master controller of the embodiment is [ a, B ], an air quality parameter value in the current environment acquired by the TVOC sensor is C, and a < C < B, the master controller determines that the parameter value C is within the preset value interval, issues a control instruction for starting the cleaning component, and the cleaning component performs air cleaning independently. The main controller can determine the motor rotating speed of the purifying component according to the direct proportional relation between the air quality parameter and the motor rotating speed of the purifying component; wherein the direct proportional relation is:
Vj＝kj×TVOC (1)
in the relation (1), kjIs a constant, the constant kjThe determination can be realized by a table look-up method, a calculation method and the like; j represents time or frequency, and when j represents the frequency, the value of j is a positive integer. For example, k is determined by a table lookupjThe process comprises the following steps: establishing a table according to experimental data and historical operating data of the first part, and searching k of the part from the tablej. For another example, the rotating speed of the motor in the operation of the purifying component under different air environment qualities can be obtained in advance through actual tests, then an equation set is established, and the constant kj is obtained through calculation; or, the historical data is used for constructing a training set, and the characteristic parameter k in the linear equation is trained by training a linear regression modelj. If the air quality parameters acquired by the TVOC sensor for multiple times are in an ascending trend, the air quality parameters can be acquired according to the turn-offThe system formula (1) gradually increases the rotating speed of the motor in the operation of the purifying component, and improves the efficiency of air purification so as to obtain better air quality.
It can be understood that, when the acquired air quality parameter is smaller than the lower limit value of the preset value interval, the operating purification component and the fan are turned off, or the purification component or the fan is not started. For example, in an embodiment, the set value interval is [ a, B ], after the purification unit is independently purified, the TVOC sensor acquires the TVOC content in the environment, the obtained air quality parameter is D, and D is less than a, the master controller cannot map the parameter value D to obtain the operation parameter of the corresponding purification unit, and the master controller issues a corresponding control instruction to close the purification unit in operation. For another example, in the off-line mode, the TVOC sensor obtains the air quality parameter D and D < a, but before that, the purging component of the range hood does not start the purging component, and since D < a, the threshold for starting the purging component cannot be reached, the main controller will not trigger the signal for starting the purging component, and the purging component remains in the off-state.
As can be seen from the above, the present embodiment is more intelligent than the simple gear adjustment mode; can purify part and fan according to real-time air quality parameter adjustment in the environment, can save artificial controlling, user experience is better. In addition, compared with the method that the purification part and the fan are simply opened, the embodiment can realize the independent work of the purification part and the fan, and reduce the noise and the energy consumption; and the cooperative work of the purification component and the fan can be realized, so that the efficiency of air purification is improved.
In the above embodiment, in step S401, it is detected that the air quality parameter is in the preset value interval, and in the step of controlling the first component to operate according to the first parameter, the first parameter is in positive correlation with the air quality parameter, which may specifically be: the first difference value is positively correlated with the first parameter, wherein the first difference value is positively correlated with the first parameter, and the first difference value can be a difference value between the first parameter and the second parameter, or a ratio of the first parameter and the second parameter. As shown in fig. 5, the specific steps are:
s501, determining a first difference value according to a preset value interval lower limit value and an air quality parameter; wherein the first difference value is positively correlated with the first parameter of the first component; wherein the first parameter includes but is not limited to: the power of the motor, the rotating speed of the motor and the air exhaust amount.
S502, determining a value of the first parameter according to the first difference value.
The present implementation may adopt the same collection step S500 of the air quality parameters as step S300 in the method of the previous embodiment, collect the air quality parameters in the environment, and adopt the same preset method of the numerical value interval as step S301. Compared with the foregoing embodiment, the air quality parameter and the operation parameter of the component are in a positive correlation in a different manner, in this embodiment, the air quality parameter is obtained according to the acquisition, and the main controller determines whether the air quality parameter is within a preset value interval; if so, generating a difference value between the lower limit value of the preset value interval and the air quality parameter, such as a difference value between the lower limit value and the air quality parameter, and mapping the difference value to obtain the operating parameter of the component, wherein the mapping rule is a linear function, such as a linear equation, related to the difference value. If not, the current operating state of the component is maintained, for example, the component is kept closed, or the operating parameters at the previous time are kept unchanged. Another example is: the mapping relation between the lower limit value of the preset value interval and the difference value of the air quality parameter and the operation parameter is a unitary linear equation, the air quality parameter is determined to be in the preset value interval, the main controller firstly processes the difference value to obtain the difference value of the air quality parameter and the operation parameter according to the difference value mapping, and the control signal of the purification component is triggered according to the operation parameter.
In the embodiment, the operating parameter of the first component is determined by determining the difference value between the lower limit value of the preset value interval and the air quality parameter and according to the positive correlation mapping relationship between the difference value and the operating parameter of the first component. The control method is more accurate, and the control of the operation parameters from zero to the maximum value of the rated operation parameters in a preset value interval can be realized; this embodiment can realize controlling more accurately, also plays the effect such as the working life of extension first part simultaneously.
Referring to fig. 6, it can be understood that, in the case where the first component is operated, the air purification control method may further include, but is not limited to, the steps of:
s601, determining that the air quality parameter is larger than or equal to a first preset value, acquiring a rated value of the first parameter as a first rated value, and controlling a first component to operate according to the first rated value; the first parameter is an operation parameter of the first component, the first preset value is greater than or equal to an upper limit value of a preset value interval, and the first rated value includes but is not limited to a maximum power value or a maximum air exhaust value of the first component.
Specifically, when the first component is running, the air quality parameter is obtained through step S600, the value of the air quality parameter exceeds the preset value interval, the main controller triggers the second component running signal, and obtains the running parameter of the second component according to the value mapping of the air quality parameter, and for the first component, the main controller gradually increases the running parameter of the first component to reach the maximum running parameter of the component, such as the maximum rotating speed of the motor. The first preset value is the maximum value of the operation parameter of the mapped first component, and can be the upper limit value of the preset value interval or larger than the upper limit value of the preset value interval. For example, in this embodiment, the first component is a purification component, the second component is a fan, the first preset value is an upper limit value B of a preset value interval, the TVOC sensor detects that the air quality parameter is D, the value D is greater than the upper limit value B, the main controller triggers a start signal of the fan, and at the same time, the main controller controls the motor of the purification component to operate at the maximum rotation speed, so as to achieve a better purification effect.
For another example, the first component is a purification component, the second component is a fan, the first preset value E is greater than an upper limit value B of a preset value interval, the TVOC sensor detects that the air quality parameter in the environment is continuously rising, a maximum value point of the rising is D, and the value D is greater than the upper limit value B and is greater than the preset value E. Firstly, the main controller determines that D is larger than B, a starting signal of the fan is triggered, the rotating speeds of the fan and the motor of the purifying component are continuously increased along with the increase of the D value, the maximum rotating speed of the motor of the purifying component is reached at the same time of the D value and the E value, and the motor of the purifying component keeps the highest rotating speed to operate; after the D value exceeds the E value, the motor of the purifying component still keeps the maximum rotating speed operation, and the rotating speed of the motor of the fan is continuously increased along with the increase of the D value.
In conclusion, this embodiment realizes the sectional type control mode that purification unit and fan operate successively through first default, can improve purification efficiency, can avoid unnecessary power resource consumption again, can also prolong the life of motor simultaneously.
It will be appreciated that the air quality parameter is positively correlated to the operating parameter of the second component, and as with the first component, after the range hood is activated for the second component, the operating parameter of the second component is also positively correlated to the air quality parameter in a mapping relationship, including but not limited to a direct proportional function. For example, in the execution program of the main controller, the operation parameter of the fan is also in a proportional function with the air quality parameter, and the relationship is as follows:
Vd＝kd×TVOC (2)
in the relation (2), kdThe constant can be determined by a table look-up method, a calculation method and the like; d represents time or frequency, and when d represents the frequency, the value of d is a positive integer. For example, k is determined by a table lookupdThe specific process comprises the following steps: establishing a table according to the experimental data and the historical operating data of the second part, and searching k of the part from the tabled. The rotating speed of the motor in the operation of the purifying component under different air environment qualities can be obtained through actual tests in advance, then an equation set is established, and the constant k is obtained through calculationd. The operation parameters of the fan can be obtained according to the relation (2), and the main controller triggers a corresponding control signal to control the fan to operate. The embodiment can realize the independent control of the fan, and obtains the operating parameters of the second component through the positive correlation mapping relation, thereby obtaining better air purification effect.
Referring to fig. 7, it can be understood that, in the above embodiment, in the step of detecting that the air quality parameter is in the preset value range and controlling the second component to operate according to the second parameter, the second parameter is in positive correlation with the air quality parameter, which may specifically be: the second difference value is positively correlated with the second parameter; the second parameter is an operating parameter of the second component, the second difference value is obtained by presetting a numerical interval upper limit value and an air quality parameter, and the difference value can be a difference value of the two or a ratio of the two. As shown in fig. 7, the process of controlling the second component to operate when the air quality parameter detected in step S101 exceeds the preset value interval may specifically include, but is not limited to, the following steps:
s701, determining a second difference value according to an upper limit value of a preset value interval and the air quality parameter; wherein the second difference value is positively correlated with a second operating parameter of the second component; wherein the second operating parameter includes, but is not limited to: the power of the motor, the rotating speed of the motor and the air exhaust amount.
And S702, acquiring a numerical value of a second operation parameter according to the second difference value, and controlling the second component to operate according to the second parameter.
Specifically, the second parameter is an operation parameter of the second component, which includes, but is not limited to, a rotation speed of the motor, an actual power of the motor, an exhaust air volume, and the like. The range hood executes step S700, and sets a numerical range according to the air quality parameter collected by the TVOC sensor. Compared with the foregoing embodiment, the air quality parameter and the operation parameter of the second component are slightly different in a positive correlation manner, and when it is determined that the second component is operating, the master controller directly generates a difference value between the upper limit value of the preset value interval and the air quality parameter, for example, a difference value between the upper limit value and the air quality parameter, and the difference value is mapped to obtain the operation parameter of the component, where the mapping rule is a linear function, for example, a linear equation, related to the difference value. For example: the mapping relation between the upper limit value of the preset value interval, the air quality parameter difference value and the operation parameter is a unitary linear equation; under the condition that a purification part of the range hood is operated, the main controller determines that the air quality parameter exceeds a preset value interval, the air quality parameter and the preset value interval are processed to obtain a difference value, then an operation parameter is obtained according to the difference value mapping, and a control signal of the fan is triggered according to the operation parameter.
Compared with the mapping relation of a simple direct proportional function, the model of the embodiment is more accurate, and the control of the operation parameters from zero to the maximum value in a preset value interval can be realized; this embodiment can realize controlling more accurately, also plays the effect such as extension second part's working life simultaneously.
Referring to fig. 8, it can be understood that the air purification control method may further include, but is not limited to, the steps of:
s801, determining that the air quality parameter is larger than or equal to a second preset value, acquiring a rated value of the second parameter as a second rated value, and controlling a second component to operate according to the second rated value; the second preset value is greater than or equal to the upper limit value of the preset value interval, and the second rated value includes but is not limited to the maximum power value or the maximum air exhaust value of the second component.
Specifically, when the first component is running, the value of the air quality parameter obtained in step S800 exceeds the preset value interval, the main controller triggers the second component running signal, and obtains the running parameter of the second component according to the value mapping of the air quality parameter, and for the second component, the main controller increases the running parameter of the second component step by step according to the value of the air quality parameter, so as to reach the maximum running parameter of the component, such as the maximum rotation speed of the motor. The second preset value is the maximum value of the operation parameters of the mapped second component and is larger than the upper limit value of the preset value interval. For example, in this embodiment, the first component is a purification component, the second component is a fan, and the second preset value is G, the TVOC sensor detects that the air quality parameter is continuously rising, the maximum value point of the rising is F, the value F is greater than the upper limit value B of the preset value interval, the main controller will trigger a start signal of the fan, at the same time of the value F and the value G, the fan reaches the maximum value of the operation parameter, and the motor thereof keeps the highest rotation speed to operate; after the value of F exceeds the value of G, the operation parameters of the fan are maintained at the maximum value. The embodiment realizes the sectional control of a single part through the second preset value, can improve the purification efficiency, can avoid unnecessary power resource consumption, and can prolong the service life of the motor.
As shown in fig. 2, an embodiment of the present invention further provides an air purification control apparatus, including:
a parameter obtaining unit 200 for obtaining an air quality parameter;
and the control unit 201 is used for controlling the operation of the second component when the air quality parameter is detected to exceed the preset value interval under the condition that the first component operates.
The contents of the embodiment of the detection method shown in fig. 3 are all applied to the embodiment of the air purification control device, the functions implemented by the embodiment of the air purification control device are the same as those of the embodiment of the control method shown in fig. 3, and the beneficial effects achieved by the embodiment of the control method shown in fig. 3 are also the same as those achieved by the embodiment of the control method shown in fig. 3.
Referring to fig. 9, an embodiment of the present invention further provides an air purification control device 900, which is used for a range hood, and specifically includes:
at least one processor 910;
at least one memory 920 for storing at least one program;
when the at least one program is executed by the at least one processor 910, the at least one processor 910 may implement the air purification control method as shown in any one of fig. 3 to 8.
The memory 920, which is a non-transitory computer readable storage medium, may be used to store non-transitory software programs and non-transitory computer executable programs. The memory 920 may include high-speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid-state storage device. In some embodiments, the memory 920 may optionally include remote memory located remotely from the processor 910 and coupled to the processor 910 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
It is to be understood that the device configuration shown in fig. 9 does not constitute a limitation of the air purification control device 900, and may include more or fewer components than those shown, or some components in combination, or a different arrangement of components.
As shown in the air purification control apparatus 900 of fig. 9, the processor 910 may retrieve the program stored in the memory 920 and perform, but not limited to, the steps of any of the embodiments shown in fig. 3 to 8.
The air purification control device 900 executes the program on the memory 920 through the processor 910, can determine that the air quality parameter in the environment falls into or exceeds the preset numerical interval, realizes the sectional control of the purification component and the fan, reasonably improves the air purification capacity, reduces the energy consumption of the equipment in the operation process, and reduces the noise generated in the operation process.
The above-described embodiments of the air purification apparatus 900 are merely exemplary, wherein the units illustrated as separate components may or may not be physically separate, i.e., may be located in one location, or may be distributed over a plurality of network units. Some or all of the modules can be selected according to actual needs to achieve the purposes of the embodiments.
An embodiment of the present invention provides a range hood, which includes an air purification control apparatus 900 according to the embodiment shown in fig. 9. The range hood in the embodiment has the hardware structure of the air purification device 900, and the processor 910 in the air purification control device 900 can call the program stored in the memory 920 to realize the air purification control method shown in any one of fig. 3 to 8. The specific implementation of the range hood of this embodiment can refer to the above embodiments, and is not described herein again.
In the above-mentioned embodiment of the range hood, the range hood may further include a purifying part and a blower, and both the purifying part and the blower are connected to the output end of the air purification control device 900.
The smoke ventilator of this embodiment, accessible main control unit control purifies part and fan collaborative work, can realize intelligent control, can carry out air purification high-efficiently, low energy consumption ground.
Embodiments of the present invention also provide a computer-readable storage medium storing a program executable by a processor, the program executable by the processor being configured to implement the air purification control method shown in any one of fig. 3 to 8 when being executed by the processor.
It will be understood that all or some of the steps, systems of methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (12)

1. An air purification control method is characterized by comprising the following steps:
acquiring air quality parameters;
under the condition that a first component operates, the air quality parameter is detected to exceed a preset value interval, a second component is controlled to operate, the first component is a purification component, the second component is a fan, or the first component is a fan and the second component is a purification component.
2. The air purification control method according to claim 1, further comprising the steps of:
detecting that the air quality parameter is within the preset value interval, and controlling the first component to operate at a first parameter;
wherein the first parameter is positively correlated with the air quality parameter.
3. The air purification control method according to claim 2, wherein the detecting that the air quality parameter is within the preset value range, and controlling the first component to operate at a first parameter comprises:
determining a first difference value according to the lower limit value of the preset value interval and the air quality parameter; the first difference value is positively correlated with the first parameter;
and determining the first parameter according to the first difference value.
4. The air purification control method according to claim 1, characterized by further comprising:
determining that the air quality parameter is greater than or equal to a first preset value, acquiring a rated value of the first parameter as a first rated value, and controlling the first component to operate according to the first rated value;
the first parameter is an operation parameter of the first component, and the first preset value is greater than or equal to an upper limit value of the preset value interval.
5. An air cleaning control method according to claim 1, characterized in that the operating parameter of the second component is positively correlated to the air quality parameter.
6. The air purification control method according to claim 5, wherein the step of detecting that the air quality parameter exceeds a preset value range and controlling the second component to operate comprises the steps of:
determining a second difference value according to the upper limit value of the preset value interval and the air quality parameter; wherein the second difference value is in positive correlation with a second parameter, and the second parameter is an operating parameter of the second component;
and controlling the second component to operate at the second parameter according to the second parameter of the second difference value.
7. The air purification control method according to claim 6, wherein the detecting that the air quality parameter exceeds a preset value range controls the second component to operate, further comprising:
determining that the air quality parameter is greater than or equal to a second preset value, acquiring a rated value of a second parameter as a second rated value, and controlling the second component to operate according to the second rated value;
and the second preset value is larger than the upper limit value of the preset value interval.
8. An air purification control apparatus, characterized by comprising:
the parameter acquisition unit is used for acquiring air quality parameters;
and the control unit is used for detecting that the air quality parameter exceeds a preset value interval under the condition that the first component operates, and controlling the second component to operate.
9. An air purification control apparatus, characterized by comprising:
at least one processor;
at least one memory for storing at least one program;
when the at least one program is executed by the at least one processor, the at least one processor is caused to implement the air purification control method according to any one of claims 1 to 7.
10. A range hood, characterized by comprising the air purification control apparatus as claimed in claim 8 or 9.
11. The range hood of claim 10, further comprising a purification component and a fan, both connected to the output of the air purification control device.
12. A computer-readable storage medium, characterized in that a program executable by a processor is stored thereon, the program executable by the processor being used to implement the air purification control method according to any one of claims 1 to 7 when being executed by the processor.
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