CN113091146A - Air treatment device, control method thereof and air conditioner - Google Patents
Air treatment device, control method thereof and air conditioner Download PDFInfo
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- CN113091146A CN113091146A CN202110350811.4A CN202110350811A CN113091146A CN 113091146 A CN113091146 A CN 113091146A CN 202110350811 A CN202110350811 A CN 202110350811A CN 113091146 A CN113091146 A CN 113091146A
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- 238000000034 method Methods 0.000 title claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 175
- 238000005406 washing Methods 0.000 claims abstract description 32
- 238000004140 cleaning Methods 0.000 claims description 14
- 230000003749 cleanliness Effects 0.000 claims description 14
- 230000001965 increasing effect Effects 0.000 claims description 10
- 238000000746 purification Methods 0.000 description 18
- 238000010438 heat treatment Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000000356 contaminant Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000004887 air purification Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000005201 scrubbing Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
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- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
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- 238000007710 freezing Methods 0.000 description 1
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- 239000008236 heating water Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0087—Indoor units, e.g. fan coil units with humidification means
-
- 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
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
- F24F6/06—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using moving unheated wet elements
-
- 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
- F24F2110/20—Humidity
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Fluid Mechanics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to an air treatment device, a control method thereof and an air conditioner. The air treatment device comprises a shell, an air inlet and an air outlet are formed in the shell, a fan, a water storage tank and a roller are arranged in an air duct in the shell, so that water in the water storage tank is taken out by rotation of the roller, and the air flow is washed, purified and humidified by the taken-out water when flowing through the roller. The control method of the invention comprises the following steps: when the air treatment device is in a water washing mode, acquiring the indoor humidity of the indoor environment where the air treatment device is located; in the water washing mode, the roller is in a rotating state; and adjusting the rotating speed of the roller according to the indoor humidity, wherein the rotating speed of the roller is inversely related to the indoor humidity. The control method not only can clean and purify the air flow, but also can effectively control the humidity of the air flow.
Description
Technical Field
The invention relates to the technical field of air treatment, in particular to an air treatment device for an air conditioner, a control method of the air treatment device and the air conditioner.
Background
At present, people attach more and more importance to the quality of daily life environment, and this is not only because outdoor haze phenomenon is frequent, but also has interior decoration material, furniture, goods of furniture for display rather than for use, the gaseous not good problem of indoor air quality that leads to that the food etc. distributes. Therefore, air pollution and indoor pollution both affect the life and health of people, and air purification is gradually being emphasized.
The purification parts adopted by the common air purification device in the prior art are all consumables, consumables need to be frequently replaced, the cost is high, and the use is troublesome. For this reason, a water washing and purifying device which contacts air with water has appeared in the prior art, and the purpose of purification is achieved by washing the air to leave pollutants such as dust, particles, floc, water-soluble harmful gas and the like in the air in water. However, in such a water washing purification apparatus, after the air is washed with water, a part of moisture is carried by the air, which is equivalent to humidifying the air at the same time. When the indoor environment does not need to be humidified, the air flow is usually dehumidified by adding a dehumidifying part after water washing, so that the parts of the water washing and purifying device are various, the structure is complex, the cost is increased, and air drying can be caused because the air is dehumidified too thoroughly.
Disclosure of Invention
It is an object of a first aspect of the present invention to overcome at least one of the disadvantages of the prior art and to provide a method for controlling an air treatment device capable of both water scrubbing and air humidity control of the air stream.
It is a further object of the first aspect of the invention to increase the speed of humidity conditioning of the air stream.
It is an object of a second aspect of the invention to provide an air treatment device.
An object of a third aspect of the present invention is to provide an air conditioner having the above air processing apparatus.
According to a first aspect of the present invention, the present invention provides a control method of an air treatment device, the air treatment device includes a housing, an air inlet and an air outlet are opened on the housing, an air duct communicating the air inlet and the air outlet is formed in the housing, a fan for driving an air flow to flow from the air inlet to the air outlet, a water storage tank for containing water, and a drum rotatably disposed in the water storage tank and allowing the air flow in the air duct to flow through are disposed in the air duct, so as to take out water in the water storage tank by rotation of the drum and perform water washing purification and humidification on the air flow by using the taken-out water when the air flow passes through the drum;
the control method comprises the following steps:
when the air treatment device is in a water washing mode, acquiring the indoor humidity of the indoor environment where the air treatment device is located; in the water washing mode, the drum is in a rotating state; and
and adjusting the rotating speed of the roller according to the indoor humidity, wherein the rotating speed of the roller is inversely related to the indoor humidity.
Optionally, the step of adjusting the rotation speed of the drum according to the indoor humidity includes:
judging whether the indoor humidity is greater than or equal to a first preset humidity threshold value or not;
if the indoor humidity is greater than or equal to the first preset humidity threshold value, reducing the rotating speed of the roller to reduce the amount of water used for contacting with the air flow, so that the humidity of the air flow is reduced;
if the indoor humidity is smaller than the first preset humidity threshold value, continuously judging whether the indoor humidity is smaller than or equal to a second preset humidity threshold value; if so, increasing the rotational speed of the drum to increase the amount of water available for contact with the airflow to increase the humidity of the airflow; if not, keeping the rotating speed of the roller unchanged; wherein
The first preset humidity threshold is greater than the second preset humidity threshold.
Optionally, when the indoor humidity is greater than or equal to the first preset humidity threshold, the control method further includes:
increasing the rotation speed of the fan to increase the flow rate of the airflow and reduce the contact time of the airflow and the water, so as to reduce the humidity of the airflow; and/or
When the indoor humidity is less than or equal to the second preset humidity threshold, the control method further includes:
and reducing the rotating speed of the fan to reduce the flow speed of the airflow and increase the contact time of the airflow and the water, so that the humidity of the airflow is improved.
Optionally, the shell is further provided with a return air inlet for communicating an indoor environment with the air duct, and the return air inlet is provided with an electric control air door; on the airflow flow path in the air duct, the air return opening is located downstream of the water storage tank; wherein
When the indoor humidity is greater than or equal to the first preset humidity threshold, the control method further includes: controlling the electric control air door to open the air return opening or increase the opening degree of the air return opening so as to allow indoor air to enter the air duct through the air return opening, mix with the airflow processed by the roller and then be sent out from the air outlet or increase the amount of the indoor air entering the air duct through the air return opening;
when the indoor humidity is less than or equal to the second preset humidity threshold, the control method further includes:
and controlling the electric control air door to close the air return opening or reduce the opening degree of the air return opening so as to prevent or reduce indoor air from entering the air duct through the air return opening.
Optionally, before obtaining the indoor humidity of the indoor environment in which the air processing device is located, the control method further includes:
after the air treatment device is started, acquiring the height of water in the water storage tank; and
and starting the roller when the height of the water in the water storage tank reaches a preset height so that the air treatment device enters a water washing mode.
Optionally, the air inlet includes an outdoor air inlet for communicating with the outside, and before the height of the water in the storage tank is obtained, the control method further includes:
judging whether a preset fresh air starting condition is met or not;
if so, starting the air treatment device to open the air inlet and the air outlet and start the fan to operate; wherein
The fresh air starting condition comprises the steps that an indicating signal used for indicating that fresh air is introduced into the room is received and/or the indoor air quality index exceeds a preset index is detected.
Optionally, the control method further includes:
acquiring the cleanliness of the roller; and
and entering a roller cleaning mode for cleaning the roller when the cleanliness of the roller is less than the preset minimum cleanliness.
Optionally, in the drum cleaning mode, the drum is in a rotating state, and the fan is in a stopped state.
According to a second aspect of the present invention, there is also provided an air treatment device comprising:
the air conditioner comprises a shell, an air inlet and an air outlet are formed in the shell, an air duct communicated with the air inlet and the air outlet is formed in the shell, a fan used for driving air flow to flow from the air inlet to the air outlet, a water storage tank used for containing water and a roller which is rotatably arranged in the water storage tank and allows the air flow in the air duct to flow through are arranged in the air duct, so that the water in the water storage tank is taken out by utilizing the rotation of the roller, and the air flow is washed, purified and humidified by utilizing the taken-out water when the air flow flows through the roller;
the humidity acquisition device is used for acquiring the indoor humidity of the indoor environment where the air treatment device is located; and
control apparatus comprising a processor and a memory, the memory having stored therein a machine executable program, and the machine executable program when executed by the processor being for implementing a control method according to any of the above aspects.
According to a third aspect of the present invention, the present invention also provides an air conditioner comprising:
the air inlet is used for introducing air flow into the shell; and
in the air treatment device of any of the above aspects, the air outlet of the air treatment device is connected to the air induction port to introduce the airflow treated by the air treatment device into the casing.
The application discloses air treatment facilities includes the storage water tank and rotationally sets up the cylinder in the storage water tank, utilizes the cylinder to take out the water in the storage water tank to the air current that flows through the cylinder carries out washing purification and humidification. The applicant has realised that the degree to which the air stream is humidified is closely related to the amount of water in contact with the air stream, which is somewhat dependent on how fast the drum is rotating. To this end, in the control method of the present application, the rotation speed of the drum is controlled by detecting the humidity of the indoor environment in which the air processing device is located, and the rotation speed of the drum has an inverse correlation with the humidity of the indoor environment. That is, the lower the indoor humidity, the higher the speed of rotation of the drum, the more water it brings out per unit time for contact with the airflow, and the higher the degree to which the airflow is humidified. The rotation speed of the drum can be suitably reduced when the indoor humidity is high, and the slower the drum rotates, the less water it brings out per unit time for contacting the air flow, and the lower the degree to which the air flow is humidified. Therefore, the control method not only can clean and purify the air flow, but also can effectively control the humidity of the air flow.
Further, this application still adjusts air current humidity through control fan rotational speed, and the change of fan rotational speed can adjust the speed that the air current flows through the cylinder, and the time that air current and water contacted, the fan rotational speed is bigger, and the air current is shorter with the contact time of the water on the cylinder, and the degree that the air current is humidified is lower, and conversely, the fan rotational speed is smaller, and the degree that the air current is humidified is higher. The air flow humidity is adjusted by adjusting the opening and closing or the opening of the air return opening, the size of the opening of the air return opening determines the amount of non-humidified air flow entering the air channel through the air return opening, and the non-humidified air flow is mixed with the air flow humidified by the roller to adjust the overall humidity of the air flow sent out by the air treatment device. This application is through combining cylinder rotational speed, fan rotational speed, return air inlet switching etc. and adjusting the humidity of air current synthetically, has accelerated the speed that air current humidity adjusted at to a great extent.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic block diagram of an air treatment device according to one embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an air treatment device according to one embodiment of the present invention;
FIG. 3 is a schematic flow chart of a control method of an air treatment device according to a first embodiment of the invention;
FIG. 4 is a schematic flow chart of adjusting a rotation speed of a drum according to an indoor humidity according to an embodiment of the present invention;
FIG. 5 is a schematic flowchart of adjusting a rotation speed of a drum according to an indoor humidity according to another embodiment of the present invention;
FIG. 6 is a schematic flowchart of adjusting a rotation speed of a drum according to an indoor humidity according to still another embodiment of the present invention;
fig. 7 is a schematic flow chart of a control method of an air treatment device according to a second embodiment of the present invention;
fig. 8 is a schematic flowchart of a control method of an air treatment device according to a third embodiment of the invention;
fig. 9 is a schematic flowchart of a control method of an air treatment device according to a fourth embodiment of the invention;
FIG. 10 is a schematic block diagram of an air treatment device according to an embodiment of the present invention;
fig. 11 is a schematic structural view of an air conditioner according to an embodiment of the present invention.
Detailed Description
The present invention first provides a control method of an air treatment device, fig. 1 is a schematic configuration diagram of an air treatment device according to an embodiment of the present invention, and fig. 2 is a schematic sectional view of an air treatment device according to an embodiment of the present invention.
Referring to fig. 1 and 2, the air treatment device 1 of the present invention includes a housing 10. The housing 10 is provided with an air inlet and an air outlet 13. The air outlet 13 is used for communicating with the indoor. In a specific embodiment, the number of the air inlets can be one, and the air inlets can be communicated with the indoor space or the outdoor space. In another specific embodiment, the number of the air intakes may also be two or more, for example, in the embodiment shown in fig. 1, the number of the air intakes is two, and it includes an indoor air intake 11 for communicating with the indoor space and an outdoor air intake 12 for communicating with the outdoor space to introduce fresh air. The indoor air inlet 11 and/or the outdoor air inlet 12 can be selectively opened or closed by a damper, so as to selectively allow indoor return air and/or outdoor fresh air to enter the air processing device 1, and the air is processed by the air processing device 1 and then sent out.
It should be noted that the indoor space in the embodiment of the present invention means an indoor environment space where the air processing device 1 is located, and the outdoor space in the embodiment of the present invention means an outdoor environment space.
An air duct communicating the air inlet and the air outlet 13 is formed in the housing 10, and a fan 21 for driving an air flow to flow from the air inlet to the air outlet 13, a water storage tank 31 for containing water, and a roller 41 rotatably disposed in the water storage tank 31 are disposed in the air duct, so that the water in the water storage tank 31 is taken out by rotation of the roller 41 and the air flow is washed, purified and humidified by the taken-out water when the air flow passes through the roller 41. Specifically, as the drum 41 rotates, water within the water storage tank 31 may be brought into the airflow flow path. When the airflow contacts with water, pollutants such as impurities, floccules, water-soluble harmful gases and the like in the airflow are dissolved in the water, so that the water washing and purification of the airflow are realized. Meanwhile, the air flow can also carry away part of water vapor, thereby realizing the humidification of the air flow.
The applicant has realised that the degree to which the air stream is humidified is closely related to the amount of water in contact with the air stream, which depends on how fast the drum 41 is rotating. For this reason, the present application contemplates a method of controlling the air treatment device 1. Fig. 3 is a schematic flowchart of a control method of an air treatment device according to a first embodiment of the present invention. The control method may include:
step S40, when the air processing apparatus 1 is in the water washing mode, acquiring the indoor humidity of the indoor environment in which the air processing apparatus 1 is located; in the water washing mode, the drum 41 is in a rotating state; and
in step S50, the rotation speed of the drum 41 is adjusted according to the indoor humidity, and the rotation speed of the drum 41 has an inverse correlation with the indoor humidity.
That is, when the indoor humidity is low, the rotation speed of the drum 41 can be increased appropriately, and the faster the drum 41 rotates, the more water it brings out per unit time for contacting with the air flow, the higher the degree to which the air flow is humidified. The rotation speed of the drum 41 can be suitably reduced when the indoor humidity is high, and the slower the drum 41 rotates, the less water it takes for contact with the air flow per unit time, and the lower the degree to which the air flow is humidified. Therefore, the control method not only can clean and purify the air flow, but also can effectively control the humidity of the air flow.
Fig. 4 is a schematic flowchart of adjusting a rotation speed of a drum according to an indoor humidity according to an embodiment of the present invention. In some embodiments, the step S50 of adjusting the rotation speed of the drum 41 according to the indoor humidity may specifically include:
step S51, judging whether the indoor humidity is larger than or equal to a first preset humidity threshold value; if the indoor humidity is greater than or equal to the first preset humidity threshold, turning to step S52, and if the indoor humidity is less than the first preset humidity threshold, turning to step S53;
step S52, reducing the rotation speed of the drum 41 to reduce the amount of water for contact with the airflow, thereby reducing the humidity of the airflow;
step S53, continuously judging whether the indoor humidity is less than or equal to a second preset humidity threshold value; if yes, go to step S54, otherwise go to step S55;
step S54, increasing the rotation speed of the drum 41 to increase the amount of water for contact with the airflow to increase the humidity of the airflow;
step S55, keeping the rotation speed of the drum 41 unchanged; wherein
The first preset humidity threshold is greater than the second preset humidity threshold.
Fig. 5 is a schematic flowchart of adjusting a rotation speed of a drum according to an indoor humidity according to another embodiment of the present invention. In some embodiments, when the indoor humidity is greater than or equal to the first preset humidity threshold, the step S52 may further include:
the rotation speed of the fan 21 is increased to increase the flow rate of the air flow and reduce the contact time of the air flow and the water, thereby reducing the humidity of the air flow.
In some embodiments, when the indoor humidity is less than or equal to the second preset humidity threshold, the step S54 may further include:
the rotation speed of the fan 21 is reduced to reduce the flow rate of the air flow and increase the contact time of the air flow and the water, thereby increasing the humidity of the air flow.
Of course, when the indoor humidity is between the second preset humidity threshold and the first preset humidity threshold, the rotation speed of the fan 21 may be kept unchanged.
That is, the humidity of the air flow is also adjusted by controlling the rotation speed of the fan 21, the speed of the air flow flowing through the drum 41, i.e. the time of the air flow contacting with the water, can be adjusted by changing the rotation speed of the fan 21, the larger the rotation speed of the fan 21, the shorter the time of the air flow contacting with the water on the drum 41, the lower the degree of humidification of the air flow, and conversely, the smaller the rotation speed of the fan 21, the higher the degree of humidification of the air flow.
In some embodiments, the casing 10 further has a return air inlet 14 for communicating the indoor environment with the air duct, and the return air inlet 14 is provided with an electrically controlled damper 22; the air return opening 14 is located downstream of the water storage tank 31 in the air flow path within the air duct. When the blower 21 is operated, indoor air and/or outdoor fresh air entering the housing 10 through the air inlet can be forced to flow to the air outlet 13 through the air duct. Meanwhile, when the air return opening 14 is opened, part of indoor air can enter the air duct through the air return opening 14 under the action of negative pressure generated by air supply in the casing 10, so that the indoor air is mixed with air flowing through the roller 41 and then is sent out from the air outlet 13. Since the indoor air introduced into the duct through the return air inlet 14 is not humidified by the drum 41, the humidity is relatively low. Therefore, the humidity of the mixed air flow formed by mixing the indoor air entering the air duct through the air return opening 14 and the air flow passing through the drum 41 is lower than that of the air flow humidified by the drum 41.
To this end, fig. 6 is a schematic flowchart of adjusting the rotation speed of the drum according to the indoor humidity according to still another embodiment of the present invention, and when the indoor humidity is greater than or equal to the first preset humidity threshold, the step S52 may further include:
the electrically controlled damper 22 is controlled to open the air return opening 14 or increase the opening degree of the air return opening 14, so as to allow the indoor air to enter the air duct through the air return opening 14, mix with the air flow processed by the roller 41 and then be sent out from the air outlet 13 or increase the amount of the indoor air entering the air duct through the air return opening 14.
When the indoor humidity is less than or equal to the second preset humidity threshold, the step S54 may further include:
the electrically controlled damper 22 is controlled to close the air return opening 14 or to reduce the opening degree of the air return opening 14 to prevent or reduce the indoor air from entering the air duct through the air return opening 14.
That is, the present application also adjusts the humidity of the air flow by adjusting the opening or closing or the opening of the air return opening 14, the size of the opening of the air return opening 14 determines the amount of the un-humidified air flow entering the air duct through the air return opening 14, and the mixing of the un-humidified air flow and the air flow humidified by the drum 41 can adjust the overall humidity of the air flow sent out by the air treatment device 1.
The humidity of the air flow is comprehensively adjusted by combining the rotating speed of the roller 41, the rotating speed of the fan 21, the opening and closing of the air return opening 14 and the like, and the speed of adjusting the air flow humidity is accelerated to a great extent.
Fig. 7 is a schematic flowchart of a control method of an air treatment device according to a second embodiment of the present invention. In some embodiments, before obtaining the indoor humidity of the indoor environment in which the air processing device 1 is located, the control method of the present invention further includes:
step S31, acquiring the height of water in the water storage tank 31 after the air treatment device 1 is turned on; and
in step S32, the drum 41 is activated when the level of water in the water storage tank 31 reaches a preset level, so that the air treatment device 1 enters a water washing mode.
That is, the drum 41 is activated only when the amount of water in the water storage tank 31 is sufficient, and the air treatment device 1 is forced into the water washing mode, so as to ensure good purification effect and humidification effect in the water washing mode. This is because the present application uses the rotation of the drum 41 to take out the water in the water storage tank 31 to perform the water washing purification and humidification of the air flow. If the water in the water storage tank 31 is too small, the amount of water carried out by the roller 41 is small, even the water cannot be carried out, and therefore the air flow purification effect and the humidification effect are seriously affected.
Further, when the height of the water in the water storage tank 31 is lower than the preset height, a prompt signal for prompting to add water into the water storage tank 31 can be sent.
Fig. 8 is a schematic flowchart of a control method of an air treatment device according to a third embodiment of the present invention. In some embodiments, the intake vent includes an outdoor intake vent 12 for communicating with the outdoor. In these embodiments, before obtaining the water level in the water storage tank 31, the control method of the present invention further includes:
step S21, judging whether the preset fresh air starting condition is met; if yes, go to step S22;
step S22 is to start the air treatment device 1 to open the air inlet and the air outlet, so that the blower 21 is started to operate.
That is to say, when outdoor fresh air is introduced into the room through the outdoor air inlet 12, the impurities and harmful gases in the outdoor fresh air are more in types and amounts, so that the quality of the indoor air can be effectively improved by using the air processing device 1 of the present application to wash, purify and humidify the outdoor fresh air and then inputting the outdoor fresh air into the room.
Further, the fresh air starting condition may include receiving an indication signal for indicating introduction of fresh air into the room and/or detecting that the indoor air quality index exceeds a preset index. That is, the air treatment device 1 may be started when a fresh air introduction instruction signal sent by a user is received, or the air treatment device 1 may be automatically started when an indoor air quality index exceeds a standard and outdoor fresh air needs to be introduced.
Specifically, the indoor air quality index may include the concentration or content of various gases, such as carbon dioxide, formaldehyde, benzene, and the like.
The applicant has recognised that there is a problem with water scrubbing of the air stream using the drum 41. After a long time of use, a certain amount of contaminants may accumulate on the drum 41, and if the contaminants are not cleaned in time, the contaminants on the drum 41 may be thicker and thicker, which may affect the service life and function of the drum 41, and thus affect the air flow purification effect.
To this end, fig. 9 is a schematic flowchart of a control method of an air treatment device according to a fourth embodiment of the present invention. In some embodiments, the control method of the present invention further comprises:
step S11, acquiring the cleanliness of the drum 41; and
step S12, when the cleanliness of the drum 41 is less than the preset minimum cleanliness, a drum cleaning mode for cleaning the drum 41 is entered.
Thereby, the self-cleaning of the drum 41 is realized, the service life thereof is prolonged, and the excellent water washing purification capability thereof is ensured for a long time.
Specifically, the above steps S11 and S12 may be performed before step S21, or may be performed after the air treatment device 1 enters the water washing mode, or may be performed cyclically according to a preset time period. That is, there is no restriction on the order between the above steps S11 and S12 and other steps.
Further, in the drum washing mode, the drum 41 is in a rotating state and the fan 21 is in a stopped state. That is, when the drum 41 is washed, the drum 41 is continuously rotated, and the uniformity and the thoroughness of the washing of the drum 41 can be improved. When the drum 41 is cleaned, the fan 21 is stopped, that is, the air processing apparatus 1 does not introduce the air flow and does not send out the air flow, so that the dirt cleaned on the drum 41 can be prevented from entering the room along with the air flow to cause secondary pollution.
The invention also provides an air treatment device 1, the air treatment device 1 of the invention comprising a housing 10. The housing 10 is provided with an air inlet and an air outlet 13. An air duct communicating the air inlet and the air outlet 13 is formed in the housing 10, and a fan 21 for driving an air flow to flow from the air inlet to the air outlet 13, a water storage tank 31 for containing water, and a roller 41 rotatably disposed in the water storage tank 31 and allowing the air flow in the air duct to flow through are disposed in the air duct, so that the water in the water storage tank 31 is taken out by rotation of the roller 41, and the air flow is washed, purified and humidified by the taken-out water when the air flow flows through the roller 41.
Fig. 10 is a schematic structural block diagram of an air treatment device according to an embodiment of the present invention. In particular, the air treatment device 1 further comprises humidity acquisition means 61 and control means 62. The humidity acquiring device 61 is used for acquiring the indoor humidity of the indoor environment in which the air processing device 1 is located. Specifically, the humidity acquisition device 61 may be a humidity sensor. The control device 62 may include a processor 621 and a memory 622, the memory 622 stores a machine-executable program 623, and the machine-executable program 623 is executed by the processor 621 to implement the control method described in any of the above embodiments.
Further, the air processing apparatus 1 further includes a driving mechanism 42 for driving the drum 41 to rotate, and the rotation speed of the drum 41 can be adjusted by controlling the driving mechanism 42. Specifically, the drive mechanism 42 may include a motor, a gear assembly, and the like.
In some embodiments, the air flow in the air flow path flows through the drum 41 in a radial direction of the drum 41, and the drum 41 may include a rotating shaft 411 extending horizontally and a plurality of rotating disks 412 disposed on the rotating shaft 411 at intervals, so as to carry the water in the water storage tank 31 out by the rotating disks 412 when the drum 41 rotates, thereby performing water washing purification on the air flow by the water attached to the rotating disks 412 when the air flow flows through the drum 41 through a gap between two adjacent rotating disks 412.
That is to say, a gap is formed between every two adjacent rotating disks 412, when the airflow flows to the drum 41 along the radial direction of the drum 41, the airflow can flow through the gap between the two adjacent rotating disks 412, and the drum 41 hardly generates any resistance to the airflow, so that the air outlet speed of the air outlet 13 is hardly affected. When the drum 41 rotates, part of the water in the water storage tank 31 may adhere to the rotary disk 412 and be carried out with the rotation of the rotary disk 412. When the airflow contacts with the water on the rotating disc 412 when flowing through the roller 41, contaminants such as impurities, lint, water-soluble harmful gas and the like in the airflow are dissolved in the water, thereby realizing water washing purification of the airflow. The rotating disc 412 provides a reliable and large contact area for the air flow and the water, and the water is distributed on the rotating disc 412 more uniformly, so that the water can be ensured to be in full and effective contact with the air flow, and the air flow purification effect and efficiency are improved.
It will be appreciated that the height of the drum 41 in the storage tank 31 may be set such that at least a section of the drum 41 is above the water level of the storage tank 31 when the water in the storage tank 31 reaches a maximum level such that at least a section of the drum 41 is in the airflow flow path and such that at least a section of the drum 41 is submerged in the water when the water in the storage tank 31 reaches a minimum level so as to be able to carry the water out as the drum rotates.
The water level in the water storage tank 31 can be obtained by the existing methods such as a liquid level sensor and a magnetic float, and when the liquid level in the water storage tank 31 is lower than the lowest water level, a user can be prompted to add water into the water storage tank 31 through a display screen, a buzzer and the like.
In some embodiments, a liquid level detection device is further disposed in the water storage tank 31, and the liquid level detection device is used for detecting the liquid level of the water contained in the water storage tank 31.
In some embodiments, the air treatment device 1 further comprises a prompting device for sending a prompting signal for prompting to add water into the water storage tank 31 when the water level in the water storage tank 31 is lower than a preset level.
In some embodiments, the air treatment device 1 further comprises air quality detection means for detecting an air quality index in the room.
In some embodiments, the air treatment device 1 further comprises a cleanliness detection device and an automatic cleaning device. The cleanliness detection device is used for detecting the cleanliness of the roller so as to timely acquire the dirty condition of the roller. The automatic cleaning device is used for cleaning the roller in a controlled manner, so that the self-cleaning of the roller is realized, and the water washing purification and humidification capabilities of the roller are restored.
Specifically, the cleanliness detecting means may include a light emitter for emitting light and a light receiver for receiving light to judge the light transmittance of the drum based on the light received by the light receiver, thereby judging the cleanliness of the drum based on the light transmittance.
Specifically, the automatic cleaning device may be any one of a brush, a nozzle, and an ultrasonic cleaning device.
The applicant has recognised that when the air temperature is low, particularly when fresh air is introduced into the room at an outdoor temperature below zero, it is likely that the air will cause freezing in the storage tank 31 when it comes into contact with water. For this purpose, in some embodiments, a tank heating device 33 for heating water in the water storage tank 31 is disposed in the water storage tank 31, so as to perform water washing purification on the air flow passing through the water washing device by using the heated water. When the heated water contacts with the airflow, the heat can be transferred to the airflow, and the temperature of the airflow is further increased. That is to say, this application develops the heating of air current into the heating of water in a new way for purification, humidification, the intensification of air current all go on simultaneously when air current and water contact, and the realization of three kinds of functions does not influence each other, can not only carry out humidification and washing purification to the air effectively, can compensate air temperature, auxiliary heating again.
Further, the tank heating device 33 may be disposed at the bottom of the storage tank 31 to directly contact with water after the storage tank 31 is filled with water, so as to transfer heat to the water, in such a manner that the heat transfer efficiency is high and the heating speed is high. At the same time, it is ensured that water can be heated efficiently by direct contact when there is a small amount of water in the water storage tank 31.
Specifically, the tank heating device 33 may be a heating rod, a heating wire, or the like.
The application also provides an air conditioner. Fig. 11 is a schematic structural view of an air conditioner according to an embodiment of the present invention. The air conditioner 100 of the present application may include the cabinet 200 and the air treatment device 1 described in any of the above embodiments.
Specifically, the casing 200 is opened with an air introduction port 301 for introducing an air flow therein. The air outlet 13 of the air treatment device 1 is connected to the induced air port 301 to introduce the air flow treated by the air treatment device 1 into the cabinet 200. Therefore, the air flows introduced into the cabinet 200 through the air treatment device 1 are all air flows which are washed, purified and/or humidified, so that the quality of indoor air is improved, and the humidity of the indoor air is improved.
In some embodiments, the air conditioner 100 further includes a jet device 300, and the jet device 300 is configured to controllably cause the airflow outside the air conditioner to flow into the air conditioner and be discharged through the jet outlet thereof, and mix the airflow discharged through the jet outlet with the heat exchange airflow discharged through the heat exchange airflow outlet of the air conditioner 100, so as to avoid the air conditioner 100 from being too cold or too hot, and improve the softness of the air and the comfort experience of the user. That is, the jet device 300 is used to introduce natural air into the air conditioner 100, which is not heat-exchanged by the heat exchanging device of the air conditioner 100, so as to moderate the outlet air temperature of the air conditioner 100.
Further, the induced draft opening 301 may be opened on the jet device 300 of the air conditioner 100 and serve as an air flow inlet of the jet device 300. Therefore, the air flow processed by the air processing device 1 can directly flow out through the jet device 300 and is mixed with the heat exchange air flow and then is sent into the room, the air flow directly sent into the room is washed, purified and/or humidified through the air processing device 1, a corresponding purifying device and/or a humidifying device do not need to be arranged in the air conditioner 100, and the structure of the air conditioner 100 body is simplified.
Further, the air conditioner 100 may be a cabinet air conditioner indoor unit, and the jet device 300 may extend vertically as a whole so that the jet air outlet thereof matches the shape of the air outlet of the cabinet air conditioner indoor unit. In these embodiments, the air inducing opening 301 may be disposed at the bottom of the jet device 300, and the air outlet 13 of the air processing device 1 may be disposed at the top thereof, so as to facilitate connection between the air inducing opening 301 and the air outlet 13.
Of course, in some alternative embodiments, the induced air opening 301 may also be a normal air inlet of the air conditioner 100, and the air flow purified and/or humidified by the air treatment device 1 is sent into the casing 200 through the induced air opening 301, and sent out after being heat-exchanged by the heat exchanging device of the air conditioner 100.
It should be further understood by those skilled in the art that the terms "upper", "lower", "front", "rear", "top", "bottom", and the like used in the embodiments of the present invention are used with reference to the actual usage state of the air treatment device 1 and the air conditioner 100, and these terms are only used for convenience of description and understanding of the technical solutions of the present invention, and do not indicate or imply that the devices referred to must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A control method of an air treatment device comprises a shell, wherein an air inlet and an air outlet are formed in the shell, an air duct communicated with the air inlet and the air outlet is formed in the shell, a fan used for driving air flow to flow from the air inlet to the air outlet, a water storage tank used for containing water and a roller which is rotatably arranged in the water storage tank and allows the air flow in the air duct to flow through are arranged in the air duct, so that the water in the water storage tank is taken out by utilizing the rotation of the roller, and the air flow is washed, purified and humidified by utilizing the taken-out water when the air flow flows through the roller;
the control method comprises the following steps:
when the air treatment device is in a water washing mode, acquiring the indoor humidity of the indoor environment where the air treatment device is located; in the water washing mode, the drum is in a rotating state; and
and adjusting the rotating speed of the roller according to the indoor humidity, wherein the rotating speed of the roller is inversely related to the indoor humidity.
2. The control method of claim 1, wherein the step of adjusting the rotation speed of the drum according to the indoor humidity comprises:
judging whether the indoor humidity is greater than or equal to a first preset humidity threshold value or not;
if the indoor humidity is greater than or equal to the first preset humidity threshold value, reducing the rotating speed of the roller to reduce the amount of water used for contacting with the air flow, so that the humidity of the air flow is reduced;
if the indoor humidity is smaller than the first preset humidity threshold value, continuously judging whether the indoor humidity is smaller than or equal to a second preset humidity threshold value; if so, increasing the rotational speed of the drum to increase the amount of water available for contact with the airflow to increase the humidity of the airflow; if not, keeping the rotating speed of the roller unchanged; wherein
The first preset humidity threshold is greater than the second preset humidity threshold.
3. The control method according to claim 2, wherein,
when the indoor humidity is greater than or equal to the first preset humidity threshold, the control method further includes:
increasing the rotation speed of the fan to increase the flow rate of the airflow and reduce the contact time of the airflow and the water, so as to reduce the humidity of the airflow; and/or
When the indoor humidity is less than or equal to the second preset humidity threshold, the control method further includes:
and reducing the rotating speed of the fan to reduce the flow speed of the airflow and increase the contact time of the airflow and the water, so that the humidity of the airflow is improved.
4. The control method according to claim 2, wherein
The shell is also provided with an air return opening for communicating the indoor environment with the air duct, and the air return opening is provided with an electric control air door; on the airflow flow path in the air duct, the air return opening is located downstream of the water storage tank; wherein
When the indoor humidity is greater than or equal to the first preset humidity threshold, the control method further includes: controlling the electric control air door to open the air return opening or increase the opening degree of the air return opening so as to allow indoor air to enter the air duct through the air return opening, mix with the airflow processed by the roller and then be sent out from the air outlet or increase the amount of the indoor air entering the air duct through the air return opening;
when the indoor humidity is less than or equal to the second preset humidity threshold, the control method further includes:
and controlling the electric control air door to close the air return opening or reduce the opening degree of the air return opening so as to prevent or reduce indoor air from entering the air duct through the air return opening.
5. The control method of claim 1, wherein prior to obtaining the indoor humidity of the indoor environment in which the air treatment device is located, the control method further comprises:
after the air treatment device is started, acquiring the height of water in the water storage tank; and
and starting the roller when the height of the water in the water storage tank reaches a preset height so that the air treatment device enters a water washing mode.
6. The control method of claim 5, the intake vent comprising an outdoor intake vent for communicating with the outside of the room, and prior to obtaining the level of water within the storage tank, the control method further comprising:
judging whether a preset fresh air starting condition is met or not;
if so, starting the air treatment device to open the air inlet and the air outlet and start the fan to operate; wherein
The fresh air starting condition comprises the steps that an indicating signal used for indicating that fresh air is introduced into the room is received and/or the indoor air quality index exceeds a preset index is detected.
7. The control method according to claim 1, further comprising:
acquiring the cleanliness of the roller; and
and entering a roller cleaning mode for cleaning the roller when the cleanliness of the roller is less than the preset minimum cleanliness.
8. The control method according to claim 7, wherein
In the drum cleaning mode, the drum is in a rotating state and the fan is in a stopped state.
9. An air treatment device comprising:
the air conditioner comprises a shell, an air inlet and an air outlet are formed in the shell, an air duct communicated with the air inlet and the air outlet is formed in the shell, a fan used for driving air flow to flow from the air inlet to the air outlet, a water storage tank used for containing water and a roller which is rotatably arranged in the water storage tank and allows the air flow in the air duct to flow through are arranged in the air duct, so that the water in the water storage tank is taken out by utilizing the rotation of the roller, and the air flow is washed, purified and humidified by utilizing the taken-out water when the air flow flows through the roller;
the humidity acquisition device is used for acquiring the indoor humidity of the indoor environment where the air treatment device is located; and
control apparatus comprising a processor and a memory, the memory having stored therein a machine executable program, and the machine executable program when executed by the processor being for implementing a control method according to any one of claims 1 to 8.
10. An air conditioner comprising:
the air inlet is used for introducing air flow into the shell; and
the air treatment device of claim 9, wherein the outlet of the air treatment device is connected to the induced draft opening to introduce the airflow into the housing after being treated by the air treatment device.
Priority Applications (2)
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| CN202110350811.4A CN113091146A (en) | 2021-03-31 | 2021-03-31 | Air treatment device, control method thereof and air conditioner |
| PCT/CN2021/127560 WO2022205879A1 (en) | 2021-03-31 | 2021-10-29 | Air treatment device and control method therefor, and air conditioner |
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| CN202110350811.4A CN113091146A (en) | 2021-03-31 | 2021-03-31 | Air treatment device, control method thereof and air conditioner |
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Application publication date: 20210709 |