CN114110914A - Air purifier and control method thereof - Google Patents
Air purifier and control method thereof Download PDFInfo
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- CN114110914A CN114110914A CN202111354632.4A CN202111354632A CN114110914A CN 114110914 A CN114110914 A CN 114110914A CN 202111354632 A CN202111354632 A CN 202111354632A CN 114110914 A CN114110914 A CN 114110914A
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- voltage
- purification assembly
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- electric purification
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000000746 purification Methods 0.000 claims abstract description 158
- 239000000428 dust Substances 0.000 claims abstract description 115
- 238000009825 accumulation Methods 0.000 claims abstract description 70
- 230000008021 deposition Effects 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 60
- 238000004140 cleaning Methods 0.000 claims description 36
- 238000001514 detection method Methods 0.000 claims description 14
- 238000005406 washing Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005507 spraying Methods 0.000 description 3
- 238000004887 air purification Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/90—Cleaning of purification apparatus
-
- 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
- F24F2221/22—Cleaning ducts or apparatus
- F24F2221/225—Cleaning ducts or apparatus using a liquid
Abstract
The invention discloses an air purifier and a control method thereof, wherein the method comprises the following steps: controlling an electric purification assembly of the air purifier to operate at a preset first voltage, and acquiring a first voltage value fed back by the electric purification assembly in real time; judging whether the first voltage value meets a preset first dust accumulation condition or not; and if so, predicting that the electric purification assembly has dust deposition, controlling the electric purification assembly to operate at a second voltage, and detecting the dust deposition again, wherein the second voltage is less than the first voltage. According to the air purifier and the control method thereof, the dust deposition degree of the electric purification assembly is judged by changing the working voltage of the electric purification assembly, and the dust deposition judgment result is more accurate.
Description
Technical Field
The invention belongs to the technical field of air purification, and particularly relates to an air purifier and a control method thereof.
Background
The electric purifying air purifier adopts electrostatic dust removing technology to reach the aim of purifying air. In the long-term use process, the high-voltage pole plate is easy to accumulate dust, and the high-voltage value is influenced, so that the air purification amount is influenced.
At present, the electric purification type air purifier can carry out self-checking on the high-voltage module, remind a user to clean and clear dust. However, the user needs to clean the high-voltage pole plate by himself, which is troublesome, and therefore the purifier needs to be capable of self-cleaning the high-voltage pole plate while detecting the high voltage.
Disclosure of Invention
In order to solve the technical problems mentioned in the background art, the invention provides the air purifier and the control method thereof, the dust deposition degree of the electric purification assembly is judged by changing the working voltage of the electric purification assembly, and the dust deposition judgment result is more accurate.
In order to achieve the purpose, the specific technical scheme of the air purifier and the control method thereof is as follows:
in one aspect of the present invention, there is provided a control method of an air purifier, including the steps of:
the method comprises the steps of obtaining a first voltage value fed back when an electric purification assembly of the air purifier operates at a preset first voltage in real time;
judging whether the first voltage value meets a preset first dust accumulation condition or not;
and if so, predicting that the electric purification assembly has dust deposition, controlling the electric purification assembly to operate at a second voltage, and detecting the dust deposition again, wherein the second voltage is less than the first voltage.
Further, the determining whether the first voltage value meets a preset first dust accumulation condition includes:
and continuously acquiring that the first voltage value is smaller than a preset first voltage threshold value within a preset detection duration, wherein the first voltage value meets a preset first dust accumulation condition.
Further, the controlling the electrical purification assembly to operate at a second voltage and to perform the dust deposition detection again includes:
acquiring a second voltage value fed back by the electric purification assembly in real time;
judging whether the second voltage value meets a preset second dust accumulation condition or not;
if yes, predicting that dust is deposited on the electric purification assembly, and controlling the electric purification assembly to operate at a third voltage, wherein the third voltage is smaller than the second voltage;
if not, the electric purification assembly is controlled to operate at the second voltage, and the operation time length reaches a first preset time length, the electric purification assembly is controlled to operate at the first voltage.
Further, after the controlling the electrical purification assembly to operate at the third voltage, the method further comprises:
acquiring a third voltage value fed back by the electric purification assembly in real time;
judging whether the third voltage value meets a preset third dust accumulation condition or not;
if the voltage does not meet the preset voltage, the electric purification assembly is controlled to operate at the third voltage, and the operation time length reaches a second preset time length, the electric purification assembly is controlled to operate at the first voltage;
and if so, recording the dust accumulation judgment times that the third voltage value continuously meets the preset third dust accumulation condition, and judging that the electric purification assembly has serious dust accumulation when the dust accumulation judgment times exceed a preset time threshold value.
Further, the method further comprises:
when the electric purification assembly is seriously accumulated with dust, controlling a cleaning assembly in the air purifier to be opened so as to clean the dust on the electric purification assembly;
when the cleaning parameters of the cleaning assembly meet the preset cleaning conditions, the fan assembly and the heating assembly in the air purifier are controlled to work, so that the electric purification assembly is dried.
In another aspect of the present invention, an air purifier is further provided, which includes an air duct and an electrical purification assembly disposed at an air inlet of the air duct, and further includes:
the acquisition unit is used for acquiring a first voltage value fed back by the electric purification assembly when the electric purification assembly operates at a preset first voltage;
the judging unit is used for judging whether the first voltage value meets a preset first dust accumulation condition or not;
and the control unit is used for predicting that the electric purification assembly has dust accumulation if the first voltage value meets a preset first dust accumulation condition, controlling the electric purification assembly to operate at a second voltage and detecting the dust accumulation again, wherein the second voltage is less than the first voltage.
Further, the obtaining unit is configured to obtain a second voltage value fed back by the electrical purification assembly when the electrical purification assembly operates at a second voltage;
the judging unit is further used for judging whether the second voltage value meets a preset second dust accumulation condition;
the control unit is further configured to predict that dust is deposited on the electrical purification assembly if the second voltage value meets a preset second dust deposition condition, and control the electrical purification assembly to operate at a third voltage, where the third voltage is lower than the second voltage;
if not, the electric purification assembly is controlled to operate at the second voltage, and the operation time length reaches a first preset time length, the electric purification assembly is controlled to operate at the first voltage.
Further, the obtaining unit is further configured to obtain, in real time, a third voltage value fed back by the electrical purification assembly after controlling the electrical purification assembly to operate at a third voltage;
the judging unit is further configured to judge whether the third voltage value meets a preset third dust accumulation condition;
the control unit is further used for controlling the electric purification assembly to operate at the third voltage if the voltage does not meet the preset voltage, and controlling the electric purification assembly to operate at the first voltage when the operation time reaches a second preset time;
and if so, recording the dust accumulation judgment times that the third voltage value continuously meets the preset third dust accumulation condition, and judging that the electric purification assembly has serious dust accumulation when the dust accumulation judgment times exceed a preset time threshold value.
Further, the air purifier further comprises a cleaning assembly, wherein the cleaning assembly comprises a nozzle for spraying washing water to the electric purification assembly so as to clean dust on the electric purification assembly.
Furthermore, the cleaning assembly further comprises a water conveying pipeline and a water pump arranged on the water conveying pipeline, one end of the water conveying pipeline is connected with the water collecting tank, the other end of the water conveying pipeline is connected with the water distribution pipe, the water distribution pipe is arranged above the electric purification assembly, and the water distribution pipe is provided with a plurality of nozzles.
Further, the nozzles are obliquely arranged with respect to the vertical plane so that the washing water sprayed from the nozzles covers the electrode plates in the electrical purification assembly.
Furthermore, a water collecting plate is arranged below the electric purification assembly, and the end part of the water collecting plate is connected with the water collecting tank, so that the washing water for cleaning the electric purification assembly is collected in the water collecting tank.
Furthermore, the air inlet of the air duct is arranged at the bottom of the air purifier, the air outlet is arranged at the top of the air purifier, the electric purification assembly is arranged close to the air inlet, and the heating assembly and the fan assembly are respectively arranged above the electric purification assembly to dry and clean the electric purification assembly.
The air purifier and the control method thereof have the following advantages that: according to the air purifier and the control method thereof, whether the electric purification assembly needs to be cleaned is judged by changing the working voltage of the electric purification assembly and comparing the actual output voltage value fed back by the electric purification assembly with the preset value of the corresponding working voltage, so that the detection precision of the dust deposition of the electric purification assembly is improved, automatic dust removal is realized, and the user experience is greatly improved.
Drawings
Fig. 1 is a flowchart of a control method of an air purifier according to a first embodiment of the present invention;
fig. 2 is a flowchart of a control method of an air purifier according to a second embodiment of the present invention;
fig. 3 is a schematic structural view of an air purifier according to the present invention.
The notation in the figure is:
1. an electrical purification assembly; 11. a polar plate; 2. cleaning the assembly; 21. a water diversion pipe; 211. a nozzle; 22. a water delivery pipeline; 23. a water pump; 3. a water collection tank; 4. a water collection plate.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Fig. 1 schematically shows a flow chart of a control method of an air purifier. As shown in fig. 1, in the technical solution of this embodiment, a control method of an air purifier includes the following steps:
s10, acquiring a first voltage value fed back when an electric purification assembly of the air purifier operates at a preset first voltage in real time;
specifically, establish the wind channel in the air purifier, the air intake setting in air purifier in the air purifier, the air outlet setting is at air purifier's top, along the circulation of air direction, sets gradually electric purification subassembly, filter screen subassembly and fan subassembly in the wind channel, for killing absorbent bacterium on the filter screen, still is equipped with heating element in the wind channel that is close to the filter screen subassembly, and above-mentioned subassembly all is connected with the controller.
In this embodiment, among the air purifier actual work process, electricity purifies the subassembly and produces the high pressure with the operation of preset first voltage between the polar plate in the electricity purifies the subassembly to adsorb dust, particulate matter etc. in the air, at this in-process, the controller real-time detection the first voltage value that the electricity purified the subassembly and produced, at the operation in-process, along with the dust is constantly accumulated, under the first voltage of presetting, the first voltage value that the electricity actually produced of purifying the subassembly descends gradually.
S20, judging whether the first voltage value meets a preset first dust accumulation condition;
and if so, predicting that the electric purification assembly has dust deposition, controlling the electric purification assembly to operate at a second voltage, and detecting the dust deposition again, wherein the second voltage is less than the first voltage.
The control method of the air purifier provided by the embodiment, when the electric purification assembly normally works at the preset first voltage, the first voltage value actually generated by the electric purification assembly is gradually reduced along with the accumulation of dust, so that the preset dust accumulation condition is met, however, the change of the output voltage value of the electric purification assembly possibly caused by environmental fluctuation is realized, the dust accumulation detection is carried out again by reducing the working voltage of the electric purification assembly, the error of determining the dust accumulation condition in a single mode is effectively avoided, and the detection precision is improved.
In this embodiment, the determining whether the first voltage value meets a preset first dust accumulation condition includes:
continuously acquiring that the first voltage value is smaller than a preset first voltage threshold value within a preset detection duration, wherein the first voltage value meets a preset first dust accumulation condition;
if the obtained first voltage values are all larger than or equal to a preset first voltage threshold value, the first voltage values do not meet a preset first dust accumulation condition.
Usually, the preset detection time is that the air purifier is configured in the controller before leaving the factory, for example, 5 min; or, the preset detection duration is set by the user, and the application is not particularly limited.
The first voltage threshold can be set to 80% of the maximum voltage value output when the electrical purification assembly is used for the first time or when the cleaning is completed, and the first voltage threshold can be set according to actual conditions.
In this embodiment, as shown in fig. 2, the controlling the electrical purification assembly to operate at the second voltage and to perform the dust deposition detection again includes:
acquiring a second voltage value fed back by the electric purification assembly in real time;
judging whether the second voltage value meets a preset second dust accumulation condition or not;
if yes, predicting that dust is deposited on the electric purification assembly, and controlling the electric purification assembly to operate at a third voltage, wherein the third voltage is smaller than the second voltage;
if the voltage does not meet the preset voltage, namely the dust accumulation of the pole plate is judged by mistake, the electric purification assembly is controlled to operate at the second voltage, and the operation time length reaches a first preset time length, the electric purification assembly is controlled to operate at the first voltage.
Specifically, within a preset detection duration, if the second voltage value is continuously acquired to be smaller than a preset second voltage threshold, the second voltage value meets a preset second dust accumulation condition; and if the acquired second voltage value is greater than or equal to a preset second voltage threshold, the second voltage value does not meet a preset second dust accumulation condition.
Further, after the controlling the electrical purification assembly to operate at the third voltage, the method further comprises:
acquiring a third voltage value fed back by the electric purification assembly in real time;
judging whether the third voltage value meets a preset third dust accumulation condition or not;
if the voltage does not meet the preset voltage, the electric purification assembly is controlled to operate at the third voltage, and the operation time length reaches a second preset time length, the electric purification assembly is controlled to operate at the first voltage;
and if so, recording the dust accumulation judgment times that the third voltage value continuously meets the preset third dust accumulation condition, and judging that the electric purification assembly has serious dust accumulation when the dust accumulation judgment times exceed a preset time threshold value.
Specifically, within a preset detection duration, if the third voltage value is continuously acquired to be smaller than a preset third voltage threshold, the third voltage value meets a preset third dust accumulation condition; and if the acquired third voltage value is greater than or equal to a preset third voltage threshold, the third voltage value does not meet a preset third dust accumulation condition.
Before leaving the factory, the air purifier of this embodiment configures first voltage, second voltage, third voltage, and preset first voltage threshold, second voltage threshold, third voltage threshold in the controller, and sets the turn-on period and duty cycle corresponding to the above three kinds of operating voltages.
According to the control method of the air purifier provided by the embodiment of the invention, the dust accumulation condition of the electric purification assembly is accurately determined by setting the plurality of dust accumulation judgment voltages, so that the electric purification assembly is automatically cleaned, or a user is timely reminded to process the electric purification assembly.
To achieve self-cleaning of the electrical purification assembly, the method further comprises:
when the electric purification assembly is seriously accumulated with dust, controlling a cleaning assembly in the air purifier to be opened so as to clean the dust on the electric purification assembly;
when the cleaning parameters of the cleaning assembly meet the preset cleaning conditions, the fan assembly and the heating assembly in the air purifier are controlled to work, so that the electric purification assembly is dried.
Specifically, the cleaning assembly can be a water cleaning device, and the dust on the electric purification assembly can be cleaned by controlling the washing times, the washing time and other parameters of the cleaning assembly.
According to the control method of the air purifier, when the electric purification assembly is serious in dust accumulation, the polar plate is washed through the cleaning assembly, after the cleaning is finished, the electric purification assembly is dried through the fan assembly and the heating assembly of the air purifier, the self-cleaning function is achieved, and the user experience is improved.
In another aspect of the present invention, an air purifier is further provided, which includes an air duct and an electrical purification assembly 1 disposed at an air inlet of the air duct, and further includes:
the acquisition unit is used for acquiring a first voltage value fed back by the electric purification assembly 1 when the electric purification assembly 1 operates at a preset first voltage;
the judging unit is used for judging whether the first voltage value meets a preset first dust accumulation condition or not;
and the control unit is used for predicting that the electric purification assembly 1 has dust accumulation if the first voltage value meets a preset first dust accumulation condition, controlling the electric purification assembly 1 to operate at a second voltage, and detecting the dust accumulation again, wherein the second voltage is less than the first voltage.
Further, the acquiring unit is configured to acquire a second voltage value fed back by the electrical purification assembly 1 when the electrical purification assembly 1 operates at a second voltage;
the judging unit is further used for judging whether the second voltage value meets a preset second dust accumulation condition;
the control unit is further configured to predict that dust is deposited on the electrical purification assembly 1 if the second voltage value meets a preset second dust deposition condition, and control the electrical purification assembly 1 to operate at a third voltage, where the third voltage is lower than the second voltage;
if the voltage does not meet the preset voltage, the electric purification assembly 1 is controlled to operate at the second voltage, and the operation time reaches a first preset time, the electric purification assembly 1 is controlled to operate at the first voltage.
Further, the obtaining unit is further configured to obtain, in real time, a third voltage value fed back by the electrical purification assembly 1 after controlling the electrical purification assembly 1 to operate at a third voltage;
the judging unit is further configured to judge whether the third voltage value meets a preset third dust accumulation condition;
the control unit is further configured to control the electrical purification assembly 1 to operate at the third voltage if the voltage is not satisfied, and control the electrical purification assembly 1 to operate at the first voltage when the operation duration reaches a second preset duration;
and if so, recording the dust accumulation judgment times that the third voltage value continuously meets the preset third dust accumulation condition, and judging that the electric purification assembly 1 has serious dust accumulation when the dust accumulation judgment times exceed a preset time threshold value.
The functions and working processes of the units are the same as those of the method, and are not described again here.
Specifically, as shown in fig. 3, the air purifier further includes a cleaning assembly 2, and the cleaning assembly 2 includes a nozzle 211 for spraying washing water to the electrical purification assembly 1 to clean dust on the electrical purification assembly 1, so as to implement a self-cleaning function.
Further, in order to improve the cleaning efficiency of the cleaning assembly, the cleaning assembly 2 further comprises a water conveying pipeline and a water pump 23 arranged on the water conveying pipeline, one end of the water conveying pipeline is connected with the water collecting tank 3, the other end of the water conveying pipeline is connected with the water distribution pipe 21, the water distribution pipe 21 is arranged above the electric purification assembly 1, the water distribution pipe 21 is provided with a plurality of nozzles 211, and the nozzles 211 can spray high-pressure water to wash dust on the polar plate 11.
Since the electrical purification assembly 1 has a certain area, the number of nozzles 211 and the number of water distribution pipes 21 are determined according to actual conditions, so that the spraying range of the nozzles 211 covers the whole area of the electrical purification assembly 1. Besides, a driving mechanism for driving the water distribution pipe 21 to translate along the long side direction of the pole plate 11 can be arranged, the driving mechanism can be an electric push rod, a screw rod and nut driving mechanism, a belt transmission mechanism and the like, and the application is not specifically limited.
In this embodiment, the nozzles 211 are divided into a plurality of pairs, each pair of the nozzles 211 is disposed opposite to one of the plates 11, and each pair of the nozzles 211 is disposed obliquely with respect to a vertical plane, so that the washing water sprayed from the nozzles 211 covers both side surfaces of the plate 11 in the electrical purification assembly 1, thereby improving the cleaning efficiency.
Further, after the polar plate 11 is cleaned by the washing water, in order to prevent the washing water from escaping from the air purifier, the water collecting plate 4 is arranged below the electric purification assembly 1, and the end part of the water collecting plate 4 is connected with the water collecting tank 3, so that the washing water for cleaning the electric purification assembly 1 is collected in the water collecting tank 3, the environmental pollution is prevented, and the water resource is repeatedly utilized.
Specifically, the air inlet setting in air purifier in wind channel is in air purifier's bottom, and the air outlet setting is at air purifier's top, and electric purification subassembly 1 is close to the air inlet setting, and electric purification subassembly 1 top sets up heating element and fan subassembly respectively to electric purification subassembly 1 after the dry cleaning.
According to the air purifier and the control method thereof provided by the invention, whether the electric purification assembly 1 needs to be cleaned or not is judged by changing the working voltage of the electric purification assembly 1 and comparing the actual output voltage value fed back by the electric purification assembly 1 with the preset value of the corresponding working voltage, so that the detection precision of the accumulated dust of the electric purification assembly 1 is improved, automatic dust removal is realized, and the user experience is greatly improved.
Those skilled in the art will appreciate that while some embodiments herein include some features included in other embodiments, rather than others, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (13)
1. A control method of an air purifier, comprising the steps of:
the method comprises the steps of obtaining a first voltage value fed back when an electric purification assembly of the air purifier operates at a preset first voltage in real time;
judging whether the first voltage value meets a preset first dust accumulation condition or not;
and if so, predicting that the electric purification assembly has dust deposition, controlling the electric purification assembly to operate at a second voltage, and detecting the dust deposition again, wherein the second voltage is less than the first voltage.
2. The method according to claim 1, wherein the determining whether the first voltage value satisfies a first predetermined dust deposition condition comprises:
and continuously acquiring that the first voltage value is smaller than a preset first voltage threshold value within a preset detection duration, wherein the first voltage value meets a preset first dust accumulation condition.
3. The method of claim 1, wherein controlling the electrical purification assembly to operate at a second voltage and to re-perform the dust deposition detection comprises:
acquiring a second voltage value fed back by the electric purification assembly in real time;
judging whether the second voltage value meets a preset second dust accumulation condition or not;
if yes, predicting that dust is deposited on the electric purification assembly, and controlling the electric purification assembly to operate at a third voltage, wherein the third voltage is smaller than the second voltage;
if not, the electric purification assembly is controlled to operate at the second voltage, and the operation time length reaches a first preset time length, the electric purification assembly is controlled to operate at the first voltage.
4. The method of claim 3, wherein after controlling the electrical purification assembly to operate at the third voltage, the method further comprises:
acquiring a third voltage value fed back by the electric purification assembly in real time;
judging whether the third voltage value meets a preset third dust accumulation condition or not;
if the voltage does not meet the preset voltage, the electric purification assembly is controlled to operate at the third voltage, and the operation time length reaches a second preset time length, the electric purification assembly is controlled to operate at the first voltage;
and if so, recording the dust accumulation judgment times that the third voltage value continuously meets the preset third dust accumulation condition, and judging that the electric purification assembly has serious dust accumulation when the dust accumulation judgment times exceed a preset time threshold value.
5. The method of claim 4, further comprising:
when the electric purification assembly is seriously accumulated with dust, controlling a cleaning assembly in the air purifier to be opened so as to clean the dust on the electric purification assembly;
when the cleaning parameters of the cleaning assembly meet the preset cleaning conditions, the fan assembly and the heating assembly in the air purifier are controlled to work, so that the electric purification assembly is dried.
6. The utility model provides an air purifier, includes wind channel and the electric purification subassembly of setting in wind channel air intake department, its characterized in that still includes:
the acquisition unit is used for acquiring a first voltage value fed back by the electric purification assembly when the electric purification assembly operates at a preset first voltage;
the judging unit is used for judging whether the first voltage value meets a preset first dust accumulation condition or not;
and the control unit is used for predicting that the electric purification assembly has dust accumulation if the first voltage value meets a preset first dust accumulation condition, controlling the electric purification assembly to operate at a second voltage and detecting the dust accumulation again, wherein the second voltage is less than the first voltage.
7. The air purifier of claim 6, wherein the obtaining unit is configured to obtain a second voltage value fed back by the electrical purification assembly when the electrical purification assembly operates at a second voltage;
the judging unit is further used for judging whether the second voltage value meets a preset second dust accumulation condition;
the control unit is further configured to predict that dust is deposited on the electrical purification assembly if the second voltage value meets a preset second dust deposition condition, and control the electrical purification assembly to operate at a third voltage, where the third voltage is lower than the second voltage;
if not, the electric purification assembly is controlled to operate at the second voltage, and the operation time length reaches a first preset time length, the electric purification assembly is controlled to operate at the first voltage.
8. The air purifier of claim 7, wherein the obtaining unit is further configured to obtain a third voltage value fed back by the electrical purification assembly in real time after controlling the electrical purification assembly to operate at a third voltage;
the judging unit is further configured to judge whether the third voltage value meets a preset third dust accumulation condition;
the control unit is further used for controlling the electric purification assembly to operate at the third voltage if the voltage does not meet the preset voltage, and controlling the electric purification assembly to operate at the first voltage when the operation time reaches a second preset time;
and if so, recording the dust accumulation judgment times that the third voltage value continuously meets the preset third dust accumulation condition, and judging that the electric purification assembly has serious dust accumulation when the dust accumulation judgment times exceed a preset time threshold value.
9. The air cleaner of claim 6, further comprising a cleaning assembly including a nozzle to spray wash water toward the electrical purification assembly to clean dust on the electrical purification assembly.
10. The air purifier of claim 9, wherein the cleaning assembly further comprises a water conveying pipeline and a water pump arranged on the water conveying pipeline, one end of the water conveying pipeline is connected with the water collecting tank, the other end of the water conveying pipeline is connected with the water dividing pipe, the water dividing pipe is arranged above the electric purifying assembly, and the water dividing pipe is provided with a plurality of nozzles.
11. The air cleaner of claim 10, wherein the spray nozzles are disposed to be inclined with respect to a vertical plane so that the washing water sprayed from the spray nozzles covers the electrode plates in the electrical purification assembly.
12. The air cleaner according to claim 10, wherein a water collecting plate is provided under the electric purification assembly, and an end of the water collecting plate is connected to the water collecting tank so that the washing water for washing the electric purification assembly is collected in the water collecting tank.
13. The air purifier of claim 10, wherein the air inlet of the air duct is disposed at the bottom of the air purifier, the air outlet is disposed at the top of the air purifier, the electrical purification assembly is disposed near the air inlet, and the heating assembly and the fan assembly are disposed above the electrical purification assembly respectively to dry the cleaned electrical purification assembly.
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