CN114294761A - Air duct assembly, range hood, control method and nonvolatile storage medium - Google Patents
Air duct assembly, range hood, control method and nonvolatile storage medium Download PDFInfo
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- CN114294761A CN114294761A CN202210122122.2A CN202210122122A CN114294761A CN 114294761 A CN114294761 A CN 114294761A CN 202210122122 A CN202210122122 A CN 202210122122A CN 114294761 A CN114294761 A CN 114294761A
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- air duct
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- oil smoke
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000000746 purification Methods 0.000 claims abstract description 113
- 239000002245 particle Substances 0.000 claims abstract description 111
- 239000000779 smoke Substances 0.000 claims abstract description 84
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 238000007791 dehumidification Methods 0.000 claims description 30
- 239000004071 soot Substances 0.000 claims description 27
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 8
- 230000004888 barrier function Effects 0.000 claims description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 60
- 230000006870 function Effects 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 7
- 238000001914 filtration Methods 0.000 description 6
- 238000010411 cooking Methods 0.000 description 5
- 239000003517 fume Substances 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 238000004887 air purification Methods 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The invention provides an air channel assembly, a range hood, a control method and a nonvolatile storage medium, wherein the air channel assembly comprises an air inlet and a purification air channel, the purification air channel comprises a first purification air channel, an oil smoke particle purification piece is arranged in the first purification air channel, the purification air channel also comprises a second purification air channel, and a first filter piece is arranged in the second purification air channel; the air duct assembly further comprises a first detection piece, and the first detection piece is used for detecting the concentration of oil smoke particles so as to control air entering from the air inlet to enter the first purification air duct or the second purification air duct according to the detected concentration of the first oil smoke particles. The air duct assembly solves the problem of insufficient space caused by adding an air purifier in a kitchen in the prior art.
Description
Technical Field
The invention relates to the field of household appliances, in particular to an air duct assembly, a range hood, a control method and a nonvolatile storage medium.
Background
Along with the improvement of living standard, the users who use air purifier and range hood are gradually increasing. However, the general air cleaner has a limited cleaning range. Meanwhile, the air quality of the kitchen is poor, the space is small, and the space is insufficient when the air purifier is placed in the kitchen; moreover, the oil screen of the range hood has poor oil-smoke separation effect, and the problem of cleaning the interior of the range hood can be increased after the range hood is used for a long time; in addition, the direct emission of untreated fumes into the atmosphere can pollute the environment.
Disclosure of Invention
The invention mainly aims to provide an air duct assembly, a range hood, a control method and a nonvolatile storage medium, so as to solve the problem of insufficient space caused by adding an air purifier in a kitchen in the prior art.
In order to achieve the above object, according to a first aspect of the present invention, there is provided an air duct assembly, comprising an air inlet and a purifying air duct, wherein the purifying air duct comprises a first purifying air duct, a soot particle purifying member is disposed in the first purifying air duct, the purifying air duct further comprises a second purifying air duct, and a first filtering member is disposed in the second purifying air duct; the air duct assembly further comprises a first detection piece, and the first detection piece is used for detecting the concentration of oil smoke particles so as to control air entering from the air inlet to enter the first purification air duct or the second purification air duct according to the detected concentration of the oil smoke particles.
Furthermore, the purification air duct also comprises a dehumidification air duct, and a dehumidification part is arranged in the dehumidification air duct; the wind channel subassembly still includes: the humidity sensor is used for detecting the indoor environment humidity; when the first detection piece detects that the concentration of the first oil smoke particles is smaller than a first preset concentration, the air entering from the air inlet is controlled to enter the dehumidification air duct or the second purification air duct according to the indoor environment humidity detected by the humidity sensor.
Further, the wind channel subassembly still includes the wind channel of airing exhaust, and the wind channel of airing exhaust includes: a discharge duct for communicating with an outdoor environment; the circulating air duct is communicated with an air outlet of the air duct assembly, and the air outlet is communicated with the indoor space; the air channel assembly further comprises a second detection piece, the second detection piece is used for detecting the concentration of oil smoke particles in the air and is arranged between the purification air channel and the exhaust air channel, so that the purification air channel is controlled to be communicated with the discharge air channel or the circulation air channel according to the detected concentration of the second oil smoke particles.
Further, the air duct assembly further includes: the first switching part comprises a first supporting part, a first baffle connected with the first supporting part and a second baffle connected with the first supporting part, and the first supporting part comprises a first opening and a second opening; the first baffle is arranged in an openable and closable manner to open or close the first opening; the second baffle can be arranged in an opening and closing manner to open or close the second opening; the first purifying air channel is communicated with the air inlet through the first opening; the second purifying air channel is communicated with the air inlet through the second opening.
Further, the air duct assembly further includes: the first switching part comprises a first supporting part and a third baffle connected with the first supporting part, and the first supporting part comprises a third opening; the third baffle is arranged in an opening and closing manner to open or close the third opening; the dehumidification air duct is communicated with the air inlet through the third opening.
Further, the air duct assembly further includes: the second switching component comprises a second supporting part, a fourth baffle connected with the second supporting part and a fifth baffle connected with the second supporting part, and the second supporting part comprises a fourth opening and a fifth opening; the fourth baffle is arranged in an openable and closable manner to open or close the fourth opening; the fifth baffle is arranged in an openable and closable manner to open or close the fifth opening; the purification air channel is communicated with the discharge air channel through the fourth opening, and the purification air channel is communicated with the circulating air channel through the fifth opening.
Furthermore, the oil smoke particle purifying part comprises a tungsten wire electrode assembly and a collector assembly, so that air entering the first purifying air channel sequentially passes through the tungsten wire electrode assembly and the collector assembly.
Further, the first filter member is a filter net.
Furthermore, a second filtering piece is arranged in the dehumidification air duct, so that air entering the dehumidification air duct flows through the second filtering piece.
According to a second aspect of the present invention, there is provided a range hood, comprising an air duct assembly, wherein the air duct assembly is the above-mentioned air duct assembly.
According to a third aspect of the present invention, there is provided a control method of an air duct assembly, which is suitable for the air duct assembly, the control method of the air duct assembly including: acquiring a first oil smoke particle concentration in the air detected by a first detection piece; judging the relation between the first oil smoke particle concentration and a first preset concentration; when the concentration of the first oil smoke particles is greater than or equal to a first preset concentration, controlling air to enter a first purification air channel; and when the concentration of the first oil smoke particles is smaller than a first preset concentration, controlling air to enter the second purifying air channel.
Further, the control method comprises the following steps: acquiring indoor environment humidity detected by a humidity sensor; judging the relation between the indoor environment humidity and the preset humidity; when the concentration of the first oil smoke particles is smaller than a first preset concentration and the indoor environment humidity is larger than or equal to a preset humidity, controlling air to enter a dehumidification air duct; when the concentration of the first oil smoke particles is smaller than the first preset concentration and the indoor environment humidity is smaller than the preset humidity, the air is controlled to enter the second purifying air channel.
Further, the control method of the air duct assembly comprises the following steps: acquiring a second oil smoke particle concentration detected by a second detection piece; judging the relation between the second oil smoke particle concentration and a second preset concentration; when the concentration of the second oil smoke particles is greater than or equal to a second preset concentration, controlling the air to be discharged to the outdoor environment through the discharge air duct; and when the concentration of the second oil smoke particles is less than a second preset concentration, controlling the air to be discharged to the indoor through the circulating air duct.
According to a fourth aspect of the present invention, there is provided a control device for an air duct assembly, for performing the above-mentioned control method for an air duct assembly, the control device for an air duct assembly comprising: the acquisition unit is used for acquiring the concentration of first oil smoke particles in the air detected by the first detection piece; the judging unit is used for receiving the information acquired by the acquiring unit and judging the relation between the first oil smoke particle concentration acquired by the acquiring unit and a first preset concentration; the adjusting unit is used for receiving the judgment result of the judging unit, and controlling air to enter the first purifying air channel when the concentration of the first oil smoke particles is greater than or equal to a first preset concentration; and when the concentration of the first oil smoke particles is smaller than the first preset concentration, the adjusting unit is also used for controlling air to enter the second purifying air channel.
According to a fifth aspect of the present invention, there is provided a non-volatile storage medium comprising a stored program, wherein an apparatus in which the non-volatile storage medium is controlled during execution of the program performs the above-described control method of the air duct assembly.
The air duct assembly comprises an air inlet and a purification air duct, wherein air with oil smoke particles enters the purification air duct from the air inlet, the purification air duct also comprises a first purification air duct and a second purification air duct, the air enters the first purification air duct or enters the second purification air duct according to the detected concentration of the first oil smoke particles, an oil smoke particle purification piece is arranged in the first purification air duct, and a first filter piece is arranged in the second purification air duct. When the first detection piece detects that the concentration of the first oil smoke particles is greater than or equal to a first preset concentration, the air enters a first purification air channel and is purified by the oil smoke particle purification piece; when the first detection piece detects that the concentration of the first oil smoke particles is smaller than a first preset concentration, the air enters the second purification air channel and is treated through the first filter piece. According to the air channel assembly, the first purifying air channel and the second purifying air channel are arranged in the air channel assembly, so that the oil fume purifying function of the range hood and the air purifying function of the purifier can be integrated, and the problem of insufficient space caused by the addition of the air purifier in a kitchen in the prior art is solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 shows a schematic view of an embodiment of a duct assembly according to the present invention;
FIG. 2 illustrates a schematic view of a dehumidification air duct of an air duct assembly according to the present disclosure;
FIG. 3 shows a schematic view of a first purge air duct of the air duct assembly according to the present invention;
FIG. 4 shows a schematic view of a second purge air duct of the air duct assembly according to the present invention;
figure 5 shows an isometric view of a range hood according to the present invention;
figure 6 shows a front view of a range hood according to the present invention;
FIG. 7 illustrates a schematic view of a first switching member of the air duct assembly according to the present invention;
FIG. 8 shows a schematic view of a second switch member of the air duct assembly according to the present invention;
FIG. 9 illustrates a partial flow diagram of an embodiment of a control method of a duct assembly according to the present disclosure;
FIG. 10 shows a schematic view of an embodiment of a control device of the air duct assembly according to the present invention; and
FIG. 11 illustrates a control flow diagram of an embodiment of a method of controlling a duct assembly according to the present invention.
Wherein the figures include the following reference numerals:
10. an air inlet; 20. a first purification air duct; 21. a soot particle purifying member; 211. a tungsten filament electrode assembly; 212. a collector electrode assembly; 30. a second purification air duct; 31. a first filter member; 40. a dehumidification air duct; 41. a dehumidifying part; 42. a second filter member; 50. a discharge duct; 51. a formaldehyde sensor; 60. a circulating air duct; 70. an air outlet; 71. a fan assembly; 80. a first switching member; 81. a first support section; 811. a first opening; 812. a second opening; 813. a third opening; 82. a first baffle plate; 83. a second baffle; 84. a third baffle plate; 90. a second switching member; 91. a second support portion; 911. a fourth opening; 912. a fifth opening; 92. a fourth baffle; 93. a fifth baffle;
100. an acquisition unit; 110. a judgment unit; 120. an adjustment unit.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The invention provides an air duct assembly, please refer to fig. 1 to 11, which comprises an air inlet 10 and a purification air duct, wherein the purification air duct comprises a first purification air duct 20, an oil smoke particle purification piece 21 is arranged in the first purification air duct 20, the purification air duct further comprises a second purification air duct 30, and a first filter piece 31 is arranged in the second purification air duct 30; the air duct assembly further includes a first detecting element for detecting the concentration of the oil smoke particles, so as to control the air entering from the air inlet 10 to enter the first purifying air duct 20 or the second purifying air duct 30 according to the detected concentration of the first oil smoke particles.
The air duct assembly comprises an air inlet 10 and a purification air duct, wherein air with oil smoke particles enters the purification air duct from the air inlet, the purification air duct also comprises a first purification air duct 20 and a second purification air duct 30, the air is judged to enter the first purification air duct 20 or enter the second purification air duct 30 according to the detected concentration of the first oil smoke particles, an oil smoke particle purification piece 21 is arranged in the first purification air duct 20, and a first filter piece 31 is arranged in the second purification air duct 30. When the first detection part detects that the concentration of the first oil smoke particles is greater than or equal to a first preset concentration, the air enters a first purification air duct 20 and is purified by an oil smoke particle purification part 21; when the first detecting element detects that the concentration of the first soot particles is less than the first predetermined concentration, the air enters the second purifying air duct 30 and is processed by the first filtering element 31. According to the air channel assembly, the first purifying air channel 20 and the second purifying air channel 30 are arranged in the air channel assembly, so that the oil fume purifying function of the range hood and the air purifying function of the purifier can be integrated, and the problem of insufficient space caused by the addition of the air purifier in a kitchen in the prior art is solved.
Specifically, the first detection piece is an infrared sensor and is used for detecting the concentration of oil smoke particles.
In this embodiment, the purifying air duct further includes a dehumidifying air duct 40, and a dehumidifying part 41 is disposed in the dehumidifying air duct 40; the wind channel subassembly still includes: the humidity sensor is used for detecting the indoor environment humidity; when the first detecting element detects that the concentration of the first soot particles is less than the first preset concentration, the air entering from the air inlet 10 is controlled to enter the dehumidification air duct 40 or the second purification air duct 30 according to the indoor environment humidity detected by the humidity sensor. This wind channel subassembly is through setting up dehumidification wind channel 40 to judge through humidity transducer, can make the little air of oil smoke particle concentration directly get into dehumidification wind channel 40 and dehumidify or get into second purification wind channel 30 and carry out air purification, guarantee that the humidity of indoor air makes the user feel comfortable.
Specifically, the air inlet 10 is located at the lowest portion of the air duct assembly, and air is sucked into the air duct assembly from the air inlet 10 and enters the purification air duct.
Specifically, the first sensing member and the humidity sensor are disposed between the intake vent 10 and the first switching member 80.
In specific implementation, before entering the purification air duct, the air may be subjected to detection of the concentration and humidity of the soot particles, and under the joint detection action of the infrared sensor and the humidity sensor, the air may enter the first purification air duct 20, the second purification air duct 30, or the dehumidification air duct 40 through judgment.
In this embodiment, the wind channel subassembly still includes the wind channel of airing exhaust, and the wind channel of airing exhaust includes: a discharge duct 50 for communicating with the outdoor environment; the circulating air duct 60 is communicated with an air outlet 70 of the air duct assembly, and the air outlet 70 is used for being communicated with the indoor space; the air duct assembly further includes a second detection element for detecting the concentration of the soot particles and disposed between the purification air duct and the exhaust air duct to control the purification air duct to be communicated with the discharge air duct 50 or the circulation air duct 60 according to the detected concentration of the second soot particles. After the air passes through the first purifying air duct 20, the second purifying air duct 30 or the dehumidifying air duct 40, the second oil smoke particle concentration of the air is judged, and when the second oil smoke particle concentration reaches the standard, the air is discharged to the indoor through the circulating air duct 60 to circulate; when the concentration of the second oil smoke particles does not reach the standard, the second oil smoke particles are discharged to the outside through the discharge air duct 50, and the environment pollution can be reduced by the treated air.
Specifically, the second detection member is an infrared sensor.
In this embodiment, the air duct assembly further includes a formaldehyde sensor 51, the formaldehyde sensor 51 is used for detecting the concentration of formaldehyde in the air and is disposed between the purification air duct and the exhaust air duct, so as to control the purification air duct to be communicated with the discharge air duct 50 or the circulation air duct 60 according to the detected concentration of formaldehyde. In specific implementation, after the air passes through the first purifying air duct 20, the second purifying air duct 30 or the dehumidifying air duct 40, the formaldehyde concentration of the air is determined, and when the formaldehyde concentration reaches the standard, the air is discharged to the indoor through the circulating air duct 60 for air circulation; when the concentration of formaldehyde does not reach the standard, the formaldehyde is discharged to the outside through the discharging air duct 50.
Specifically, the air passing through the purification air duct contains formaldehyde with a certain concentration, and the formaldehyde concentration of the purified and filtered air is detected by the formaldehyde sensor 51 to determine whether the air is discharged through the discharge air duct 50 or the circulation air duct 60.
Specifically, a fan assembly 71 is provided between the purge air duct and the exhaust air duct for performing air extraction and discharge.
In this embodiment, the air duct assembly further includes: a first switching member 80 including a first support part 81, a first barrier 82 connected to the first support part 81, and a second barrier 83 connected to the first support part 81, the first support part 81 including a first opening 811 and a second opening 812; the first shutter 82 is openably and closably provided to open or close the first opening 811; the second shutter 83 is openably and closably provided to open or close the second opening 812; the first purifying air duct 20 is communicated with the air inlet 10 through a first opening 811; the second purge air duct 30 is communicated with the air inlet 10 through the second opening 812.
In this embodiment, the air duct assembly further includes: a first switching member 80 including a first support part 81 and a third barrier 84 connected to the first support part 81, the first support part 81 including a third opening 813; the third shutter 84 is openably and closably provided to open or close the third opening 813; the dehumidification air duct 40 is communicated with the air inlet 10 through the third opening 813. The arrangement of the first switching member 80 enables the air to pass through different openings of the first switching member 80 before entering the purified air duct, so as to enter different air ducts for purification or filtration in different manners.
Specifically, the different air channels are switched by opening and closing different baffles, when one baffle is opened, the corresponding opening is in an open state, air flows into the corresponding air channel from the opening to be purified, and the other two baffles are in a closed state.
Specifically, the first opening 811 of the first switching member 80 occupies half the space of the first switching member; the second opening 812 and the third opening 813 bisect the remaining half of the space. The first support part 81 constitutes a frame of the first switching member 80.
In this embodiment, the air duct assembly further includes: a second switching member 90 including a second support portion 91, a fourth shutter 92 connected to the second support portion 91, and a fifth shutter 93 connected to the second support portion 91, the second support portion 91 including a fourth opening 911 and a fifth opening 912; the fourth shutter 92 is openably and closably provided to open or close the fourth opening 911; the fifth shutter 93 is openably and closably provided to open or close the fifth opening 912; the purification air duct is communicated with the discharge air duct 50 through the fourth opening 911, and the purification air duct is communicated with the circulation air duct 60 through the fifth opening 912. The second switching member 90 is provided to switch air to enter different circulating air paths 60 or discharge air paths 50.
Specifically, the formaldehyde sensor 51 and the second detection member are both located between the purified air duct and the second switching member 90.
Specifically, the fourth opening 911 and the fifth opening 912 each occupy half of the space inside the second support portion 91 of the second switching member 90.
In specific implementation, when the fourth baffle 92 is opened, the fourth opening 911 is opened, the fifth baffle 93 is in a closed state, and the first purification air duct 20, the second purification air duct 30 and the dehumidification air duct 40 are all communicated with the exhaust air duct 50 through the fourth opening 911; when the fifth shutter 93 is opened, the fifth opening 912 is opened, the fourth shutter 92 is in a closed state, and the first purifying air duct 20, the second purifying air duct 30 and the dehumidifying air duct 40 are all communicated with the circulating air duct 60 through the fifth opening 912.
Specifically, the first purifying air duct 20 and the second purifying air duct 30 are both communicated with the discharge air duct 50 through a fourth opening 911, and the first purifying air duct 20 and the second purifying air duct 30 are both communicated with the circulating air duct 60 through a fifth opening 912; the dehumidifying air duct communicates with the discharge air duct 50 through the fourth opening 911, and the dehumidifying air duct communicates with the circulating air duct 60 through the fifth opening 912.
In this embodiment, the soot particle purifying member 21 includes a tungsten electrode assembly 211 and a collector electrode assembly 212, so that the air entering the first purifying air duct 20 passes through the tungsten electrode assembly 211 and the collector electrode assembly 212 in sequence.
Specifically, the tungsten wire electrode assembly 211 may ionize the entrained highly contaminated soot particles and various dusts, attach an electrical charge, and then the particles attached with the electrical charge may adhere to the collector assembly 212 while passing through the collector assembly 212.
Specifically, the first filter member 31 is a filter screen, and such an arrangement can filter less soot particles and dust in the air through the filter screen.
Preferably, the first filter 31 is a HEPA filter.
Specifically, the HEPA filter screen is a High Efficiency Air filter screen, and the english language of HEPA is called High Efficiency Particulate Air. The HEPA filter screen can pass through air, but fine particles cannot pass through the HEPA filter screen, and the removal efficiency of particles with the diameter of more than 0.3 micrometer can reach more than 99.7%.
In the present embodiment, a second filter 42 is disposed in the dehumidification air duct 40, so that the air entering the dehumidification air duct 40 flows through the second filter 42. This arrangement allows the air entering the dehumidification air duct 40 to be filtered by the second filter 42, so as to purify the air.
Specifically, the second filter 42 is a filter screen, and such an arrangement can filter less soot particles and dust in the air through the filter screen. Optionally, the second filter 42 is a HEPA filter.
The invention also provides a range hood which comprises the air duct assembly.
The range hood solves the problem of insufficient space caused by adding an air purifier in a kitchen; through the setting of wind channel subassembly, realized can using the function of different modes automatically under the different conditions, reduced the harm of emission oil smoke to the environment.
The range hood of the invention also has the following beneficial effects: through set up the wind channel subassembly in range hood inside, saved kitchen usage space, can keep the inside cleanliness factor of range hood moreover. The function of automatically switching different modes under different working conditions is realized through the arrangement of the air duct assembly, and the environmental pollution can be reduced in the face of different cooking working conditions.
The invention also provides a control method of the air duct assembly, which is suitable for the air duct assembly in the embodiment, and the control method of the air duct assembly comprises the following steps:
step S100: acquiring a first oil smoke particle concentration in the air detected by a first detection piece;
step S200: judging the relation between the first oil smoke particle concentration and a first preset concentration;
step S300: when the concentration of the first soot particles is greater than or equal to a first preset concentration, controlling air to enter the first purifying air duct 20; when the first soot particle concentration is less than the first preset concentration, the air is controlled to enter the second purifying air duct 30.
During specific implementation, the air duct assembly determines whether the concentration of the first oil smoke particles in the detected air exceeds a first preset concentration, and the first oil smoke particles enter the first purification air duct 20 or the second purification air duct 30, and different air ducts have different air purification modes. Through the working mode of the automatic switching purification mode, different cooking working conditions of users can be met, and environmental pollution is reduced. The operation modes include a first cleaning mode for introducing air into the first cleaning air duct 20, a second cleaning mode for introducing air into the second cleaning air duct 30, and a dehumidifying and cleaning mode for introducing air into the dehumidifying air duct 40.
In this embodiment, the control method further includes: acquiring indoor environment humidity detected by a humidity sensor; judging the relation between the indoor environment humidity and the preset humidity; when the concentration of the first oil smoke particles is less than a first preset concentration and the indoor environment humidity is greater than or equal to a preset humidity, controlling air to enter the dehumidification air duct 40; when the concentration of the first soot particles is less than the first predetermined concentration and the indoor environment humidity is less than the predetermined humidity, the air is controlled to enter the second purifying air duct 30.
In specific implementation, when the concentration of the first soot particles is less than the first preset concentration, the relationship between the indoor environment humidity and the preset humidity is determined, and the air entering the second purifying air duct 30 or the dehumidifying air duct 40 is determined according to the indoor environment humidity.
In this embodiment, the control method of the air duct assembly includes: acquiring a second oil smoke particle concentration detected by a second detection piece; judging the relation between the second oil smoke particle concentration and a second preset concentration; when the second soot particle concentration is greater than or equal to a second preset concentration, controlling the air to be discharged to the outdoor environment through the discharge air duct 50; when the second soot particle concentration is less than the second predetermined concentration, the air is controlled to be discharged to the room through the circulation duct 60.
In this embodiment, the control method of the air duct assembly further includes: acquiring the concentration of formaldehyde detected by a formaldehyde sensor; judging the relation between the concentration of formaldehyde and the preset concentration of formaldehyde; when the concentration of formaldehyde is greater than or equal to the preset concentration of formaldehyde, controlling the air to be discharged to the outdoor environment through the discharge air duct 50; when the formaldehyde concentration is less than the preset formaldehyde concentration, the air is controlled to be discharged to the indoor through the circulating air duct 60.
Specifically, air passing through the circulation duct 60 enters the room for internal circulation.
In a specific implementation, when the cooking device is not used in cooking, the cooking device can be switched to a manual mode, and a first purification mode for allowing air to enter the first purification air duct 20, a second purification mode for allowing air to enter the second purification air duct 30, or a dehumidification purification mode for allowing air to enter the dehumidification air duct 40 is selected to meet various requirements.
The present invention further provides a control device of an air duct assembly, which is used for executing the control method of the air duct assembly in the above embodiment, and the control device of the air duct assembly comprises:
an acquiring unit 100, configured to acquire a first soot particle concentration in air detected by a first detecting element;
the judging unit 110 is configured to receive the information acquired by the acquiring unit, and judge a relationship between the first soot particle concentration acquired by the acquiring unit and a first preset concentration;
the adjusting unit 120 is configured to receive the determination result of the determining unit, so that when the first soot particle concentration is greater than or equal to the first preset concentration, the adjusting unit is further configured to control air to enter the first purifying air duct 20; and when the concentration of the first soot particles is smaller than the first preset concentration, the adjusting unit is further configured to control air to enter the second purifying air duct 30.
In the control device, an obtaining unit 100 is used for obtaining a first oil smoke particle concentration in the air detected by a first detecting piece; the judging unit 110 is configured to receive the information acquired by the acquiring unit, and judge a relationship between the first soot particle concentration acquired by the acquiring unit and a first preset concentration; the adjusting unit 120 is configured to receive the determination result of the determining unit, so that when the first soot particle concentration is greater than or equal to the first preset concentration, the adjusting unit is further configured to control air to enter the first purifying air duct 20; when the concentration of the first oil smoke particles is less than the first preset concentration, the adjusting unit is further used for controlling air to enter the second purifying air duct 30; by judging the relationship between the first oil smoke particle concentration and the first preset concentration, a specific air purification mode can be selected, and when the first oil smoke particle concentration is greater than or equal to the first preset concentration, the air channel assembly automatically selects a first purification mode for enabling air to enter the first purification air channel 20; when the first soot particle concentration is less than the first predetermined concentration, the air duct assembly automatically selects a second purification mode in which the air is made to evolve into the second purification air duct 30.
The invention also provides a nonvolatile storage medium, which comprises a stored program, wherein when the program runs, the device where the nonvolatile storage medium is located is controlled to execute the control method of the air duct assembly in the embodiment.
Specifically, the storage medium is used for storing program instructions for executing the following functions, and the following functions are realized:
acquiring a first oil smoke particle concentration in the air detected by a first detection piece; judging the relation between the first oil smoke particle concentration acquired by the acquisition unit and a first preset concentration; when the first oil smoke particle concentration is greater than or equal to the first preset concentration, the adjusting unit is further used for controlling air to enter the first purifying air duct 20; and when the concentration of the first soot particles is smaller than the first preset concentration, the adjusting unit is further configured to control air to enter the second purifying air duct 30.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
the air duct assembly comprises an air inlet 10 and a purification air duct, wherein air with oil smoke particles enters the purification air duct from the air inlet, the purification air duct also comprises a first purification air duct 20 and a second purification air duct 30, the air is judged to enter the first purification air duct 20 or enter the second purification air duct 30 according to the detected concentration of the first oil smoke particles, an oil smoke particle purification piece 21 is arranged in the first purification air duct 20, and a first filter piece 31 is arranged in the second purification air duct 30. When the first detection part detects that the concentration of the first oil smoke particles is greater than or equal to a first preset concentration, the air enters a first purification air duct 20 and is purified by an oil smoke particle purification part 21; when the first detecting element detects that the concentration of the first soot particles is less than the first predetermined concentration, the air enters the second purifying air duct 30 and is processed by the first filtering element 31. According to the air channel assembly, the first purifying air channel 20 and the second purifying air channel 30 are arranged in the air channel assembly, so that the oil fume purifying function of the range hood and the air purifying function of the purifier can be integrated, and the problem of insufficient space caused by the addition of the air purifier in a kitchen in the prior art is solved.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (15)
1. An air duct assembly comprises an air inlet (10) and a purification air duct, wherein the purification air duct comprises a first purification air duct (20), and an oil smoke particle purification piece (21) is arranged in the first purification air duct (20), and the purification air duct assembly is characterized by further comprising a second purification air duct (30), and a first filter piece (31) is arranged in the second purification air duct (30);
the air duct assembly further comprises a first detection piece, and the first detection piece is used for detecting the concentration of oil smoke particles so as to control air entering from the air inlet (10) to enter the first purification air duct (20) or the second purification air duct (30) according to the detected concentration of the first oil smoke particles.
2. The air duct assembly according to claim 1, characterized in that the purification air duct further comprises a dehumidification air duct (40), and a dehumidification member (41) is provided in the dehumidification air duct (40); the air duct assembly further includes:
the humidity sensor is used for detecting the indoor environment humidity; when the first detection piece detects that the concentration of the first oil smoke particles is smaller than a first preset concentration, the air entering from the air inlet (10) is controlled to enter the dehumidification air duct (40) or the second purification air duct (30) according to the indoor environment humidity detected by the humidity sensor.
3. The air duct assembly of claim 1, further comprising an exhaust air duct, the exhaust air duct comprising:
a discharge duct (50) for communication with the outdoor environment;
the circulating air duct (60) is communicated with an air outlet (70) of the air duct assembly, and the air outlet (70) is used for being communicated with the indoor space;
the air channel assembly further comprises a second detection piece, the second detection piece is used for detecting the concentration of oil smoke particles and is arranged between the purification air channel and the exhaust air channel, so that the purification air channel is controlled to be communicated with the discharge air channel (50) or communicated with the circulating air channel (60) according to the detected concentration of the second oil smoke particles.
4. The air duct assembly of claim 1, further comprising:
a first switching member (80) including a first support portion (81), a first barrier (82) connected to the first support portion (81), and a second barrier (83) connected to the first support portion (81), the first support portion (81) including a first opening (811) and a second opening (812); the first shutter (82) is openably and closably provided to open or close the first opening (811); the second baffle (83) is arranged in an openable and closable manner to open or close the second opening (812);
the first purifying air duct (20) is communicated with the air inlet (10) through the first opening (811); the second purifying air duct (30) is communicated with the air inlet (10) through the second opening (812).
5. The air duct assembly of claim 2, further comprising:
a first switching member (80) including a first support portion (81) and a third barrier (84) connected to the first support portion (81), the first support portion (81) including a third opening (813); the third baffle (84) is arranged in an openable and closable manner to open or close the third opening (813); the dehumidification air duct (40) is communicated with the air inlet (10) through the third opening (813).
6. The air duct assembly of claim 3, further comprising:
a second switching member (90) including a second support portion (91), a fourth shutter (92) connected to the second support portion (91), and a fifth shutter (93) connected to the second support portion (91), the second support portion (91) including a fourth opening (911) and a fifth opening (912); the fourth baffle (92) is arranged in an openable and closable manner to open or close the fourth opening (911); the fifth baffle (93) is arranged in an openable and closable manner to open or close the fifth opening (912);
the purification air duct is communicated with the discharge air duct (50) through the fourth opening (911), and the purification air duct is communicated with the circulation air duct (60) through the fifth opening (912).
7. The air duct assembly according to any one of claims 1 to 6, wherein the soot particle purifying member (21) includes a tungsten wire electrode assembly (211) and a collector electrode assembly (212) such that air entering the first purifying air duct (20) passes through the tungsten wire electrode assembly (211) and the collector electrode assembly (212) in sequence.
8. The air duct assembly according to any one of claims 1 to 6, characterized in that the first filter (31) is a filter screen.
9. The air duct assembly according to claim 2, wherein a second filter (42) is disposed within the dehumidification air duct (40) such that air entering the dehumidification air duct (40) flows through the second filter (42).
10. A range hood comprising an air duct assembly, wherein the air duct assembly is as claimed in any one of claims 1 to 9.
11. A control method of an air duct assembly, which is applied to the air duct assembly according to any one of claims 1 to 9, the control method of the air duct assembly comprising:
acquiring a first oil smoke particle concentration in the air detected by a first detection piece;
judging the relation between the first oil smoke particle concentration and a first preset concentration;
when the concentration of the first oil smoke particles is greater than or equal to the first preset concentration, controlling air to enter a first purification air duct (20); and when the concentration of the first oil smoke particles is less than the first preset concentration, controlling air to enter a second purification air duct (30).
12. The method of controlling an air duct assembly according to claim 11, comprising:
acquiring indoor environment humidity detected by a humidity sensor;
judging the relation between the indoor environment humidity and the preset humidity;
when the concentration of the first oil smoke particles is less than the first preset concentration and the indoor environment humidity is greater than or equal to the preset humidity, controlling air to enter a dehumidification air duct (40); and when the concentration of the first oil smoke particles is less than the first preset concentration and the indoor environment humidity is less than the preset humidity, controlling air to enter the second purification air channel (30).
13. The method of controlling an air duct assembly according to claim 11, comprising:
acquiring a second oil smoke particle concentration detected by a second detection piece;
judging the relation between the second oil smoke particle concentration and a second preset concentration;
when the concentration of the second oil smoke particles is greater than or equal to the second preset concentration, controlling the air to be discharged to the outdoor environment through a discharge air duct (50); and when the concentration of the second oil smoke particles is less than the second preset concentration, controlling the air to be discharged to the indoor through a circulating air duct (60).
14. A control device for an air duct assembly for performing the control method for an air duct assembly according to any one of claims 11 to 13, the control device comprising:
the acquisition unit is used for acquiring the concentration of first oil smoke particles in the air detected by the first detection piece;
the judging unit is used for receiving the information acquired by the acquiring unit and judging the relation between the first oil smoke particle concentration acquired by the acquiring unit and a first preset concentration;
the adjusting unit is used for receiving the judgment result of the judging unit, and controlling air to enter a first purifying air channel (20) when the concentration of the first oil smoke particles is greater than or equal to the first preset concentration; and when the concentration of the first oil smoke particles is smaller than the first preset concentration, the adjusting unit is also used for controlling air to enter a second purifying air channel (30).
15. A non-volatile storage medium, comprising a stored program, wherein the program, when executed, controls an apparatus in which the non-volatile storage medium is located to perform the control method of the air duct assembly according to any one of claims 11 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210122122.2A CN114294761A (en) | 2022-02-09 | 2022-02-09 | Air duct assembly, range hood, control method and nonvolatile storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210122122.2A CN114294761A (en) | 2022-02-09 | 2022-02-09 | Air duct assembly, range hood, control method and nonvolatile storage medium |
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| CN114294761A true CN114294761A (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210122122.2A Pending CN114294761A (en) | 2022-02-09 | 2022-02-09 | Air duct assembly, range hood, control method and nonvolatile storage medium |
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| CN (1) | CN114294761A (en) |
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