Air purifier and control method thereof

Abstract

The embodiment of the invention provides an air purifier. The air purifier comprises a purifier main body, an air inlet and an air outlet, and the detection piece is arranged on the purifier main body, and the detection piece gradually detects the air quality in multiple directions in the circumferential direction of the purifier main body. Therefore, the air quality in multiple directions in the circumferential direction of the purifier main body is detected step by step through the detection piece, so that the purification treatment direction can be determined according to the detection results in different directions, the air purification treatment with high pertinence can be realized, and the purification efficiency is improved.

Description

Technical Field

[0001] The present application relates to the field of air purification, and in particular to an air purifier and a control method thereof. Background Art

[0002] With the development of science and technology and the improvement of living standards, people are paying more and more attention to air quality. Compared with outdoor air quality, people are more concerned about the air quality in specific spaces, such as the air quality in houses or cars.

[0003] At present, the improvement of air quality in a space is mainly achieved by purifying the air in the space through air purification equipment. Usually, the air to be purified is sucked into the equipment, and the air is purified inside the equipment through adsorption technology, negative (positive) ion technology, catalytic technology, photocatalyst technology, super-structured light mineralization technology, HEPA high-efficiency filtration technology, electrostatic dust collection technology, etc. before being discharged out of the equipment.

[0004] It should be noted that the above introduction to the technical background is only for the convenience of providing a clear and complete description of the technical solutions of the present application and for the convenience of understanding by those skilled in the art. It cannot be considered that the above technical solutions are well known to those skilled in the art simply because they are described in the background technology section of the present application. Summary of the invention

[0005] The air quality in a space is not only related to the air quality outside the space, but also to human activities in the space. For example, in a house, pollutants such as harmful gases emitted by decoration materials, fumes from cooking, and lint on fabrics will affect the indoor air quality. For another example, in a car, pollutants such as harmful gases emitted by decorative materials and exhaust gas flowing back into the car will also affect the air quality inside the car.

[0006] In fact, the distribution of pollutants in the air is usually uneven in space or time. For example, in space, if the decorative materials emit harmful gases such as formaldehyde, the formaldehyde concentration is higher in the area closer to the decorative materials; in time, the fume concentration is higher when cooking than when not cooking. However, the air purification equipment in the prior art cannot perform targeted purification treatment for the situation where the pollutants are unevenly distributed in space or time, resulting in low purification efficiency.

[0007] In response to at least one of the above problems, an embodiment of the present application provides an air purifier and a control method thereof.

[0008] According to a first aspect of an embodiment of the present application, an air purifier is provided, comprising: a purifier body; and a detection component, which is arranged on the purifier body, and the detection component gradually detects air quality in multiple directions on the circumference of the purifier body.

[0009] According to the second aspect of the embodiment of the present application, a control method for an air purifier is provided, and the control method is used to control the air purifier described in the first aspect of the embodiment of the present application. The control method includes: controlling the detection element to gradually detect the air quality in multiple directions on the circumference of the purifier body.

[0010] One beneficial effect of the embodiments of the present application is that the air quality in multiple directions on the circumference of the purifier body is gradually detected by the detection component, so that the direction of purification treatment can be determined according to the detection results in different directions. Therefore, highly targeted air purification treatment can be achieved, thereby improving purification efficiency.

[0011] With reference to the following description and accompanying drawings, the specific embodiments of the present application are disclosed in detail, indicating the way in which the principles of the present application can be adopted. It should be understood that the embodiments of the present application are not limited in scope. Within the scope of the spirit and clauses of the appended claims, the embodiments of the present application include many changes, modifications and equivalents. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The included drawings are used to provide a further understanding of the embodiments of the present application, which constitute a part of the specification, are used to illustrate the implementation methods of the present application, and together with the text description, explain the principles of the present application. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0013] Figure 1 Schematic diagram of an air purifier according to an embodiment of the present application.

[0014] Figure 2 It is a three-dimensional diagram of an implementation of an air purifier according to an embodiment of the present application.

[0015] Figure 3 yes Figure 2 A schematic diagram of an air purifier in a working state is shown.

[0016] Figure 4 It is a schematic diagram of an implementation of the inner shell of an embodiment of the present application.

[0017] Figure 5 It is a schematic diagram of another implementation of the inner shell of the embodiment of the present application.

[0018] Figure 6 It is a schematic diagram of another implementation of the inner shell of the embodiment of the present application.

[0019] Figure 7 It is a schematic diagram of another implementation of the inner shell of the embodiment of the present application.

[0020] Figure 8 It is a schematic diagram of a control method for an air purifier according to an embodiment of the present application. DETAILED DESCRIPTION

[0021] With reference to the accompanying drawings, the above and other features of the present application will become apparent through the following description. In the description and the accompanying drawings, specific embodiments of the present application are specifically disclosed, which show some embodiments in which the principles of the present application can be adopted. It should be understood that the present application is not limited to the described embodiments. On the contrary, the present application includes all modifications, variations and equivalents falling within the scope of the attached claims.

[0022] In the embodiments of the present application, the terms "first", "second", "upper", "lower", etc. are used to distinguish different elements in terms of title, but do not indicate the spatial arrangement or time order of these elements, etc., and these elements should not be limited by these terms. The term "and / or" includes any one and all combinations of one or more of the associated listed terms. The terms "comprising", "including", "having", etc. refer to the presence of the stated features, elements, components or components, but do not exclude the presence or addition of one or more other features, elements, components or components.

[0023] In the embodiments of the present application, the singular forms "a", "the", etc. include plural forms and should be broadly understood as "a kind" or "a type" rather than being limited to the meaning of "one"; in addition, the term "said" should be understood to include both singular and plural forms, unless the context clearly indicates otherwise. In addition, the term "according to" should be understood as "at least in part according to...", and the term "based on" should be understood as "at least in part based on...", unless the context clearly indicates otherwise.

[0024] In addition, in the following description of the present application, for the convenience of explanation, the direction of gravity is referred to as the "axial direction", and the direction around the "axial direction" is referred to as the "circumferential direction".

[0025] The embodiments of the present application are described below with reference to the accompanying drawings.

[0026] Embodiments of the first aspect

[0027] A first aspect of an embodiment of the present application provides an air purifier, Figure 1 Schematic diagram of an air purifier according to an embodiment of the present application.

[0028] like Figure 1 As shown, the air purifier 1 includes a purifier body 10 and a detection component 20 disposed on the purifier body 10 .

[0029] In some embodiments, Figure 1 As shown, the purifier body 10 is a columnar structure, which may include an air inlet 110 arranged on the outer peripheral surface, a filter 120 arranged inside, a fan 130 and an air outlet 140 arranged at the top, and the air inlet 110, the filter 120, the fan 130 and the air outlet 140 are arranged, for example, along the axial direction OO'. For example, when the air purifier 1 is performing purification treatment, the fan 130 works to suck the air around the purifier body 10 from the air inlet 110 into the inside of the purifier body 10, and the sucked air is filtered by the filter 120 and discharged from the air outlet 140. However, the embodiments of the present application are not limited to this. For example, the purifier body 10 may not include the filter 120, or the purifier body 10 may include an air catalytic device that catalyzes harmful gases in the air and converts them into harmless gases; in addition, the embodiments of the present application do not limit the shape, structure, the location of the above-mentioned components, and the purification treatment method of the purifier body 10, and the relevant technology can be referred to for details.

[0030] In some embodiments, the detection element 20 gradually detects the air quality in multiple directions on the circumference of the purifier body 10. Therefore, the direction that needs to be purified can be determined according to the results of the gradual detection of the detection element 20.

[0031] In the embodiment of the present application, "gradual detection" means that the detection element 20 detects the air quality in different directions one by one or at a time in a certain or predetermined order.

[0032] For example, the detection element 20 detects the air quality in one direction of the circumference each time, and detects in multiple directions one by one in sequence;

[0033] For another example, the detection element 20 switches one detection direction at a time to detect the air quality in the switched direction. For example, the detection element 20 is controlled to be able to switch the detection direction in the circumferential direction of the purifier body 10. When the detection direction is switched, the air quality in the switched direction is detected.

[0034] For another example, the air quality in different directions is detected one by one at predetermined time intervals.

[0035] In the embodiment of the present application, "multiple directions" can be multiple pre-set directions. For example, the 360° range of the circumference of the purifier body 10 is divided at intervals of a predetermined angle (for example, 60°), thereby determining, for example, 6 directions; or, it can also be continuous directions in the circumference, that is, all directions in the entire circumference.

[0036] Alternatively, the “multiple directions” may also dynamically adjust the directions to be detected according to the actual detection results of the detection member 20;

[0037] Alternatively, "multiple directions" can also be set according to the actual usage scenarios to set the directions that need to be detected. For example, when the air purifier 1 is placed in the living room, the directions of bedroom A, bedroom B, kitchen, etc. can be set as multiple directions. For another example, in the scenario where the formaldehyde content in the house needs to be detected, cabinets, walls, etc. are the main sources of formaldehyde release, and the cabinet direction, wall direction, etc. can be set as multiple directions.

[0038] The embodiments of the present application do not limit the number of "multiple directions", the specific directions, and the method of determining "multiple directions".

[0039] In the embodiment of the present application, the "air quality" detected by the detection element 20 can be characterized by a specific value, for example, by the concentration of pollutants in the air, and the higher the concentration of pollutants, the worse the air quality; for another example, by the oxygen concentration or carbon dioxide concentration in the air, the higher the oxygen concentration, the better the air quality, and the higher the carbon dioxide concentration, the worse the air quality;

[0040] For example, pollutants may include particulate matter and / or harmful gases. Particulate matter includes, but is not limited to, PM2.5, PM10, flocculent matter, kitchen fume, smoke from tobacco combustion, etc., and harmful gases include, but are not limited to, formaldehyde, TVOC, coal gas, ozone, nitrogen oxides, sulfides, etc.

[0041] Alternatively, the "air quality" detected by the detection element 20 may also be characterized by a grade, for example, a higher grade indicates a better air quality, or a higher grade indicates a worse air quality.

[0042] In some embodiments, the detection element 20 includes at least one sensor. For example, when the air quality to be detected is formaldehyde concentration, the detection element 20 includes a sensor for detecting formaldehyde; when the air quality to be detected includes particulate matter concentration, the detection element 20 includes a sensor for detecting particulate matter.

[0043] In some embodiments, when the detection element 20 includes multiple sensors, the multiple sensors can be provided separately or integrated into one sensor.

[0044] The sensor type and detection result included in the detection element 20, that is, the specific content of the air quality, can be determined according to the actual application scenario, and the embodiments of the present application are not limited to this.

[0045] In the embodiment of the present application, Figure 1In the figure, one detection element 20 is used as an example, but the embodiments of the present application are not limited thereto. The number of detection elements 20 can be multiple, for example, the detection elements 20 can be two or other numbers, for example, two detection elements 20 can respectively detect the air quality in two directions, for example, the directions detected by the two detection elements 20 are 180° apart, etc., and the embodiments of the present application are not limited thereto. The embodiments of the present application are described below using one detection element 20 as an example, but those skilled in the art know that the embodiments of the present application are also applicable to other numbers of detection elements 20.

[0046] In the case where the purifier has one detection element 20, multi-directional detection of air quality can be achieved with a simple structure and operation.

[0047] in addition, Figure 1 The detection component 20 is located outside the purifier body 10, but the embodiments of the present application are not limited thereto. The detection component 20 may be located at any position of the purifier body 10. For example, the detection component 20 may also be located inside the purifier body 10. The embodiments of the present application do not limit the relative position of the detection component 20 to the purifier body 10 and may be set according to actual conditions.

[0048] Figure 2 It is a three-dimensional diagram of an implementation of an air purifier according to an embodiment of the present application.

[0049] In some embodiments, the detection member 20 can gradually detect the air quality in multiple directions of the circumference of the purifier body 10 by rotating around the circumference of the purifier body 10 .

[0050] For example, Figure 2 As shown, the detection member 20 can be arranged on the circumference of the purifier body 10 , and the air purifier 1 further includes a first driving member 30 , which can drive the detection member 20 to rotate around the circumference of the purifier body 10 .

[0051] In some embodiments, Figure 2 As shown, the purifier body 10 is, for example, provided with an annular opening 40 extending in the circumferential direction, and the first driving member 30 drives the detecting member 20 to move along the annular opening 40 .

[0052] For example, Figure 2 As shown, the purifier body 10 may include an annular guide rail 50 , which is arranged along the annular opening 40 , the detection member 20 is movably connected to the annular guide rail 50 , and the first driving member 30 drives the detection member 20 to move under the guidance of the annular guide rail 50 .

[0053] In some embodiments, the first driving member 30 can adopt various driving methods. For example, the first driving member 30 can realize the movement of the detection member 20 by magnetic drive; or, the first driving member 30 can include a connecting rod, and the detection member 20 is installed at one end of the connecting rod, and the connecting rod can rotate around the other end, thereby driving the detection member 20 to rotate circumferentially around the purifier body 10; or, other related technologies can be referred to to realize the circumferential rotation of the detection member 20 around the purifier body 10. The embodiment of the present application does not limit the implementation method of the circumferential rotation of the detection member 20 around the purifier body 10.

[0054] in addition, Figure 2 The first driving member 30 is schematically shown in FIG. 1 , and the actual position of the first driving member 30 can be set inside the purifier body 10 .

[0055] In some embodiments, the detection member 20 can gradually detect the air quality in multiple directions on the circumference of the purifier body 10 by switching the detection direction.

[0056] For example, the detection member 20 can switch the detection direction by self-rotation. For example, a self-rotation device can be set at the top or bottom of the purifier body 10, and the detection member 20 can be installed on the self-rotation device. The self-rotation device drives the detection member 20 to rotate, so that the detection member 20 can detect in multiple directions. In addition, step-by-step detection can be achieved by controlling the rotation angle, speed or frequency of the self-rotation device.

[0057] For another example, the detection member 20 can switch the detection direction through an introduction portion that can select the air intake direction. For example, an air duct is provided on the detection surface of the detection member 20 so that the air duct inhales air in multiple directions in the circumferential direction of the purifier body 10, so that the detection member 20 can detect in multiple directions. In addition, the speed or frequency of switching the air intake direction of the air duct can be controlled to achieve step-by-step detection. The air duct is, for example, a trunk-shaped pipe or a bendable and retractable pipe, as long as it is a pipe that can switch the air intake direction, and the embodiments of the present application are not limited to this. In addition, the detection member 20 can also switch the detection direction by other means, and the relevant technology can be referred to for details, and the embodiments of the present application are not limited to this.

[0058] Since the air quality in different directions on the circumference of the purifier body 10 can be gradually detected by rotating the detection part 20 around the circumference of the purifier body 10 or switching the detection direction without moving the position or orientation of the purifier body 10, the detection of air quality in different directions can be achieved through a simple structure, the operation is more convenient and efficient, and the user experience is improved.

[0059] It should be noted that the “control” described in the embodiments of the present application can be implemented through hardware, software, or a combination of hardware and software. The specific implementation method can refer to the relevant technology, and the embodiments of the present application are not limited to this.

[0060] In some embodiments, a gas channel is provided on the purifier body 10, and the direction of the gas channel changes according to the air quality detected by the detection element, thereby enabling targeted air purification, thereby improving purification efficiency.

[0061] The gas channel in the embodiment of the present application may be an air inlet channel or an air outlet channel, or may include an air inlet channel and an air outlet channel, and may be configured according to actual needs, and the embodiment of the present application is not limited to this.

[0062] For example, Figure 2 As shown, the purifier body 10 may include an outer shell 60 and an inner shell 70 disposed inside the outer shell 60 , and a gas channel may be formed by the inner shell 70 cooperating with the outer shell 60 , and the direction of the gas channel may be controlled by the relative movement of the inner shell 70 and the outer shell 60 .

[0063] In some embodiments, Figure 2 As shown, the outer shell 60 is provided with an annular opening 60a extending in the circumferential direction, and the inner shell 70 has a notch 70a extending in the axial direction in the circumferential direction, and a gas passage can be formed by the cooperation of the annular opening 60a of the outer shell 60 and the notch 70a of the inner shell 70. It should be noted that the annular opening 60a can be the same as or overlap with the annular opening 40 in the aforementioned embodiment, or can be an opening different from the annular opening 40, which is not limited in the embodiment of the present application and can be set according to actual needs. The following description takes the annular opening 60a and the annular opening 40 as the same opening as an example.

[0064] In some embodiments, Figure 2 As shown, the air purifier 1 may further include a second driving member 80, which may drive the inner shell 70 to rotate in the circumferential direction to change the direction of the gas passage. Figure 2 The second driving member 80 is schematically shown in the figure, and the actual position of the second driving member 80 can be set inside the purifier body 10.

[0065] Figure 3 yes Figure 2 A schematic diagram of an air purifier in a working state is shown.

[0066] like Figure 3 As shown, the gas passage can be formed by the cooperation of the annular opening 60a of the outer shell 60 and the notch 70a of the inner shell 70, for example, Figure 3As shown, when the inner shell 70 is located within the annular opening 60a of the outer shell 60 in the axial direction OO', the wall of the inner shell 70 blocks a portion of the annular opening 60a in the circumferential direction, and the portion of the annular opening 60a that overlaps with the notch 70a in the circumferential direction forms a gas channel CH.

[0067] In some embodiments, Figure 2 and Figure 3 As shown, the air purifier 1 may further include a third driving member 90, which may drive the inner housing 70 to the first position ( Figure 2 The position of the middle inner shell 70) and the second position ( Figure 3 The inner shell 70 is located between the inner shell 70 and the outer shell 60 and moves in the axial direction OO'. Figure 2 As shown, when the inner shell 70 is located at the first position, the annular opening 60a of the outer shell 60 is in an open state. Figure 3 As shown, when the inner shell 70 is in the second position, the inner shell 70 blocks a portion of the annular opening 60a of the outer shell 60, and the notch 70a of the inner shell 70 cooperates with the annular opening 60a of the outer shell 60 to form a gas channel CH. Figure 2 and Figure 3 The third driving member 90 is schematically shown in the figure, and the actual position of the third driving member 90 can be set inside the purifier body 10.

[0068] It should be noted that, for the convenience of description, in the embodiment of the present application, "first driving member 30", "second driving member 80", and "third driving member 90" are used to distinguish different driving modes or different driving objects, but this does not mean that three different driving devices need to be used to respectively realize the above-mentioned drive, that is, "first driving member 30", "second driving member 80", and "third driving member 90" can be realized by the same driving device, or by different driving devices, and the embodiment of the present application does not limit this. Except for special instructions, all driving members or all driving devices described in the embodiment of the present application can be realized by the same driving member or driving device, or by different driving members or driving devices, and some driving members or driving devices can be realized by the same driving member or driving device, and some driving members or driving devices can be realized by different driving members or driving devices. In addition, the driving member or driving device of the embodiment of the present application can be arranged in the purifier body 10 of the air purifier 1, or it can not be arranged in the purifier body 10, and the embodiment of the present application does not limit this.

[0069] In some embodiments, the detection member 20 corresponds to the notch 70a of the inner shell 70 in the axial direction, the detection member 20 and the inner shell 70 can rotate synchronously, and the inner shell 70 and the detection member 20 can move relative to each other in the axial direction. For example, when the inner shell 70 is located in the first position in the axial direction, the detection member 20 and the notch 70a of the inner shell 70 are staggered in the axial direction, and the detection member 20 is not in the notch 70a of the inner shell 70, but the two are still in corresponding positions in the axial direction; after the detection member 20 completes the detection of air quality in multiple directions in the circumferential direction by rotating in the circumferential direction, it rotates to the direction where air purification treatment is required according to the detection results, and the inner shell 70 moves to the second position in the axial direction. Since the detection member 20 corresponds to the notch 70a of the inner shell 70 in the axial direction, the detection member 20 is located in the notch 70a of the inner shell 70.

[0070] Therefore, by confirming and moving the position of the detection member 20, the position of the notch can be confirmed and moved synchronously, that is, the direction of the gas passage can be confirmed synchronously, thereby improving the working efficiency of the air purifier.

[0071] As described above, the detection member 20 of the embodiment of the present application can rotate synchronously with the inner shell 70, for example, the detection member 20 is arranged on the inner shell 70, the detection member 20 rotates with the rotation of the inner shell 70 or the inner shell 70 rotates with the rotation of the detection member 20, or the driving device driving the rotation of the detection member 20 and the driving device driving the rotation of the inner shell 70 are the same driving device; or the driving device driving the rotation of the detection member 20 and the driving device driving the rotation of the inner shell 70 are independent and the two driving devices are driven synchronously. The embodiment of the present application is not limited to this.

[0072] In some embodiments, Figure 3 As shown, in the circumferential direction, the detection member 20 is located in the notch 70a of the inner shell 70. Thus, the detection member 20 can specifically detect the air quality in the direction of the gas channel CH. For example, the detection member 20 is integrally arranged with the inner shell 70 and is located at a corresponding position of the notch 70a of the inner shell 70.

[0073] In order to make the embodiments of the present application clearer, Figure 2 and Figure 3 An implementation method of detecting air quality by the air purifier 1 in an embodiment of the present application is described by taking an example, but those skilled in the art should know that the following description should not be interpreted as limiting the embodiment of the present application.

[0074] In some embodiments, Figure 2 and Figure 3 As shown, when air quality detection is required, the inner shell 70 is located, for example, Figure 2In the first position shown, the detection member 20 is controlled to rotate around the circumference of the purifier body 10 to detect the air quality in multiple directions on the circumference of the purifier body 10, for example, the direction with the worst air quality is determined according to the detected results, and then the inner shell 70 is controlled to move in the axial direction OO' to Figure 3 The second position shown in the figure is set, and the inner shell 70 is controlled to rotate relative to the outer shell 60, and the notch 70a of the inner shell 70 is rotated to an angle corresponding to the direction of the worst air quality, so that the gas channel CH faces the direction of the worst air quality. The gas channel CH is, for example, an air intake channel. Then, the fan 130 starts to work, and the air to be purified in this direction is sucked into the purifier body 10 through the air intake channel. The air to be purified passes through the filter 120 and other purification treatments inside the purifier body 10 and is discharged from the purifier body 10. For example, the purification treatment is terminated until a preset condition is met (for example, a preset time has passed or the air quality in this direction meets the standard). In addition, the inner shell 70 can be controlled to reset, that is, the inner shell 70 is controlled to return to Figure 2 Status shown.

[0075] In some embodiments, the opening degree of the gas channel CH is adjustable.

[0076] Figure 4 is a schematic diagram of an implementation of an inner shell of an embodiment of the present application, Figure 5 is a schematic diagram of another embodiment of the inner shell of the present application, Figure 6 It is a schematic diagram of another implementation of the inner shell of the embodiment of the present application.

[0077] For example, Figure 4 As shown, the inner shell 70 may include a first half shell 701 and a second half shell 702 that can rotate relatively, a gap 70a is formed between one end 701a of the first half shell 701 and one end 702a of the second half shell 702 in the circumferential direction, and the size L1 of the gap 70a is adjusted by rotating at least one of the first half shell 701 and the second half shell 702, thereby adjusting the opening of the gas channel CH. The size L1 of the gap 70a is, for example, the width of the gap 70a in the circumferential direction, and for example, at least one of the first half shell 701 and the second half shell 702 can be driven to rotate in the circumferential direction by the second driving member 80.

[0078] For example, Figure 5 As shown, the inner shell 70 may include a slider 703 matched with the notch 70a, and the size H1 of the notch 70a can be adjusted by sliding the slider 703 in the axial direction OO', thereby adjusting the opening of the gas channel CH. The size H1 of the notch 70a is, for example, the height of the notch 70a in the axial direction.

[0079] For example, Figure 6As shown, the inner shell 70 may include a baffle portion 704 located on one side of the notch 70a in the axial direction OO', and the distance S1 between the baffle portion 704 and the edge 60a1 of the annular opening 60a of the outer shell 60 is adjusted by controlling the movement of the inner shell 70 relative to the outer shell 60 in the axial direction OO', thereby adjusting the opening of the gas channel CH. Figure 6 As shown, the axial dimension of the inner shell 70 is larger than the axial dimension of the annular opening 60a, and the baffle portion 704 is arranged on the upper side of the notch 70a in the axial direction OO' (i.e., the O side), so that the inner shell 70 can be moved toward the lower side of the axial direction OO' (i.e., the O' side) relative to the outer shell 60 until the inner shell 70 completely covers the annular opening 60a in the axial direction. At this time, the opening of the gas channel is the largest. When the inner shell 70 continues to move toward the lower side of the axial direction OO' relative to the outer shell 60, the distance S1 between the lower edge of the baffle portion 704 and the lower edge 60a1 of the annular opening 60a will be reduced, thereby reducing the opening of the gas channel CH.

[0080] In some embodiments, the baffle portion 704 can also be arranged on the lower side of the notch 70a in the axial direction OO' (i.e., the O' side). In this case, the inner shell 70 can be moved toward the upper side of the axial direction OO' (i.e., the O side) relative to the outer shell 60 until the inner shell 70 completely covers the annular opening 60a in the axial direction. At this time, the opening of the gas channel is the largest. When the inner shell 70 continues to move toward the upper side of the axial direction OO' relative to the outer shell 60, the distance between the upper edge of the baffle portion 704 and the upper edge 60a2 of the annular opening 60a will decrease, thereby reducing the opening of the gas channel CH.

[0081] Figure 7 It is a schematic diagram of another implementation of the inner shell of the embodiment of the present application.

[0082] In some embodiments, the inner shell may further include a plurality of sub-shells connected in sequence to form a ring, at least one of the plurality of sub-shells moves axially relative to the other sub-shells, and a gap in the inner shell is formed by the misalignment of the at least one sub-shell with the other sub-shells.

[0083] For example, Figure 7 As shown, the inner shell 70 includes a plurality of sub-shells 705. For the convenience of description, Figure 7Only subshells 705-1 to 705-5 are marked, but the embodiment of the present application does not limit the number of subshells. For example, subshell 705-1 can move in the axial direction relative to other subshells 705-2 to 705-5, so that subshell 705-1 is misaligned with adjacent subshells 705-2 and 705-4, forming a gap 70a. However, the embodiment of the present application is not limited to this. For example, subshell 705-1 and subshell 705-2 can also move in the axial direction, so that subshell 705-1 and subshell 705-2 are misaligned with adjacent subshells 705-3 and 705-4, forming a gap 70a; or, subshell 705-1 and subshell 705-5 can also move in the axial direction, so as to be misaligned with adjacent subshells to form two gaps. Which subshells are moved in the axial direction can be set according to actual needs, and the embodiment of the present application does not limit this.

[0084] in addition, Figure 7 In the figure, a rectangular subshell and a rectangular ring inner shell are used as examples, but the embodiment of the present application is not limited to this. The shapes of the inner shell 70 and the subshell 705 can be set accordingly according to actual needs. For example, the subshell can also be tile-shaped, and a cylindrical inner shell is formed by connecting multiple tile-shaped subshells. In addition, the embodiment of the present application does not limit the implementation method of the subshell moving in the axial direction. For example, the subshell 705 can be driven to move in the axial direction by a driving device.

[0085] In some embodiments, the distance between at least one subshell and the edge of the annular opening of the outer shell can be adjusted by controlling the axial movement of at least one subshell relative to other subshells, so as to adjust the opening of the gas channel formed by the notch of the inner shell and the annular opening of the outer shell.

[0086] For example, in Figure 7 The inner shell 70 is shown relative to the outer shell 60 ( Figure 7 The axial position of Figure 6 In the case where the relative positions of the inner shell 70 and the outer shell 60 are the same or similar, as shown in FIG. Figure 7 As shown, the sub-shell 705-1 can be controlled to move back and forth in the axial direction by changing the edge 705b of the axial side of the sub-shell 705-1 and the Figure 6 The distance between the edge 60a1 of the axial side of the housing 60 shown or by changing the distance between the edge 705a of the axial side of the sub-housing 705-1 and the edge 60a1 of the axial side of the housing 60 shown Figure 6 The distance between the edges 60a2 on the axial side of the housing 60 shown in the figure is used to adjust the size of the notch 70a in the axial direction, thereby adjusting the opening of the gas channel CH.

[0087] In some embodiments, the opening of the gas channel formed by the notch of the inner shell and the annular opening of the outer shell can be adjusted by controlling the number of at least one subshell that moves axially relative to other subshells.

[0088] For example, Figure 7 As shown, when the opening of the gas channel needs to be larger, a larger number of sub-shells can be controlled to move, for example, sub-shells 705-1, 705-2, 705-5, etc. can be controlled to move relative to adjacent sub-shells. When the opening of the gas channel needs to be smaller, a smaller number of sub-shells can be controlled to move, for example, only sub-shell 705-1 can be controlled to move.

[0089] According to the air purifier described in the embodiment of the first aspect of the present application, the air quality in multiple directions on the circumference of the purifier body is gradually detected by the detection component, so that the direction of purification treatment can be determined according to the detection results in different directions. Therefore, highly targeted air purification treatment can be achieved, thereby improving the purification efficiency.

[0090] Embodiments of the second aspect

[0091] The second aspect of the embodiments of the present application provides a control method for an air purifier, which can be used to control the air purifier described in the embodiments of the first aspect. The relevant contents described in the embodiments of the first aspect are incorporated herein and will not be repeated.

[0092] Figure 8 It is a schematic diagram of a control method for an air purifier according to an embodiment of the present application.

[0093] like Figure 8 As shown, the control method 800 may include:

[0094] Step 801: Control the detection component to gradually detect the air quality in multiple directions around the purifier body.

[0095] Below Figure 2 and Figure 3 The control method of the embodiment of the present application is described by taking the air purifier 1 as an example. However, those skilled in the art should know that the control method of the embodiment of the present application is applicable to the air purifiers of each embodiment of the first aspect.

[0096] In step 801, the detection member 20 can be controlled to gradually detect the air quality in multiple directions on the circumference of the purifier body 10. For example, the air quality in multiple directions can be detected by changing the detection direction of the detection member 20. For example, the detection member 20 can be driven to rotate around the circumference of the purifier body 10 to change the detection direction, or the detection member 20 can be driven to rotate to change the detection direction, or the detection member 20 can change the detection direction as the purifier body 10 turns. For another example, the air quality in multiple directions can be detected by controlling the air from different directions to enter the detection member 20. For example, an air introduction pipe is set on the detection surface of the detection member 20, and the air source detected by the detection surface is changed by changing the position and direction of the air inlet of the introduction pipe, so as to realize the step-by-step detection of the air quality in multiple directions on the circumference of the purifier body 10.

[0097] In addition, in step 801, the detection results of air quality in multiple directions may also be stored.

[0098] In some embodiments, Figure 8 As shown, the control method 800 may further include:

[0099] Step 802: changing the direction of the gas passage on the purifier body according to the air qualities in the multiple directions detected by the detection element.

[0100] In this way, targeted air purification can be carried out, thereby improving purification efficiency.

[0101] In some embodiments, in step 802, for example, the direction with the worst air quality among the multiple directions is determined, and the direction of the gas channel is changed to the direction with the worst air quality. Thus, the air can be purified in the direction with the worst air quality, which can improve the purification efficiency.

[0102] The embodiments of the present application do not limit the evaluation criteria for air quality. For example, when the detection element 20 detects the concentration of pollutants in the air, the higher the pollution concentration, the worse the air quality is, and the direction with the highest detected pollutant concentration can be determined as the direction with the worst air quality; or, when the detection element 20 detects the oxygen concentration, the lower the oxygen concentration, the worse the air quality is, and the direction with the lowest oxygen concentration can be determined as the direction with the worst air quality.

[0103] In some embodiments, in step 802, for example, the average value of the air quality in multiple directions is calculated, and the direction in which the difference between the air quality and the average value is the largest among the multiple directions is determined; the direction of the gas channel is changed to the direction in which the difference between the air quality and the average value is the largest. Thus, air purification is performed in the direction in which the difference between the air quality and the average value is the largest, so that the air quality in the space can be more uniform, making the user feel more comfortable.

[0104] The embodiment of the present application does not limit the measurement value of "air quality". For example, the air quality can be measured by pollutant concentration, and the average value of pollutant concentration is used as the average value of air quality, and the direction corresponding to the pollutant concentration that is higher than the average value and has the largest difference is used as the "direction where the difference between air quality and the average value is the largest". For example, the air quality can be measured by different levels, and the higher the level, the better the air quality. The average value of the level is used as the average value of air quality, and the direction corresponding to the level that is lower than the average value and has the largest difference is used as the "direction where the difference between air quality and the average value is the largest". In addition, for the calculation of the "average value", a weighted average value can also be calculated. For example, the concentration of one or more pollutants can be detected, and the concentration of one or more pollution levels can be weighted averaged according to pre-set weights.

[0105] For how to change the direction of the gas channel, reference may be made to the relevant description in the embodiment of the first aspect, which will not be repeated here. In addition, the control method 800 may also include the drive control involved in changing the direction of the gas channel, and the specific control may refer to the relevant description in the embodiment of the first aspect; or, the control method 800 may not include the drive control, which is not limited in the embodiment of the present application.

[0106] In some embodiments, Figure 8 As shown, the control method 800 may further include:

[0107] Step 803: Control the purifier body to purify the air in a direction corresponding to the direction of the gas channel;

[0108] Step 804: End the purification process when the first preset condition is met.

[0109] Thus, the purification process is carried out in a targeted manner to improve the purification efficiency.

[0110] The present application embodiment does not limit the specific implementation of the purification process. For example, Figure 3 As shown, the gas channel CH can be an air intake channel. The air purifier 1 starts the fan 130, and the air around the purifier body 10 is sucked into the purifier body 10 from the air intake channel CH through the operation of the fan 130. The sucked air is filtered by the filter 120 and then discharged to the outside of the air purifier 1. For example, the gas channel CH can also be an air outlet channel, and the purified air can be discharged from the air outlet channel CH, thereby realizing air purification.

[0111] In addition, in step 804, the end of the purification process may be to temporarily stop the purification process, for example, the purification process may continue if a preset condition is met, such as detecting that the pollutant concentration exceeds a threshold, or detecting that the rate of change of the pollutant concentration exceeds a threshold, etc.; or, the end of the purification process may be to stop the targeted purification process in the corresponding direction and perform a general purification process in the entire circumference of the purifier body 10; or, the end of the purification process may be to stop the air purifier 1 from working. The embodiment of the present application does not limit this.

[0112] In addition, in step 804, after the purification process is completed, the inner shell can also be controlled to reset, for example, Figure 2 As shown, the control inner shell 70 is reset to Figure 2 Status shown.

[0113] In some embodiments, the first preset condition is at least one of the following conditions: the detection component detects that the air quality in the direction corresponding to the direction of the gas channel meets the second preset condition; and the purification process time reaches the preset time.

[0114] For example, the second preset condition may include: the pollutant concentration representing the air quality is less than or equal to a first threshold value, wherein the first threshold value is an average value or a preset value of the pollutant concentrations in multiple directions detected by the detection element. The preset value may be, for example, a standard value that meets a specific standard, or a user-defined value, or a value set by the manufacturer, etc. For example, taking formaldehyde concentration as an example, in step 804, when the formaldehyde content in the measured air is less than or equal to the average value of the formaldehyde content in multiple directions detected, the purification process may be terminated; or, when the formaldehyde content in the measured air is below the indoor air quality standard value, the purification process may be terminated; or, when the formaldehyde content in the measured air is below the user-defined value or the value set by the manufacturer, the purification process may be terminated.

[0115] In addition, the control method may also include timing the purification process, and ending the purification process when the purification process time exceeds a preset time. The preset time may be a user-defined purification time or a factory-preset purification time, or a user-defined time or time period for ending purification, for example, 8 pm, or 6 am to 6 pm. The present application embodiment does not limit this.

[0116] According to the control method described in the embodiment of the second aspect of the present application, the detection component is controlled to gradually detect the air quality in multiple directions on the circumference of the purifier body, so that the direction of purification treatment can be determined according to the detection results in different directions. Therefore, highly targeted air purification can be achieved and the purification efficiency is improved.

[0117] It should be noted that the control method of the embodiment of the present application can be controlled by software, for example, a storage medium stores a control program, and the control program is executed by a processor to implement the control method described in the embodiment of the present application; or, the control method of the embodiment of the present application can also be controlled by hardware, for example, by controlling the actions of the detection element and the driving element through a relay; or, it can also be controlled by a combination of software and hardware. For details, please refer to the relevant technology, and the embodiment of the present application is not limited to this.

[0118] The present application is described above in conjunction with specific implementation methods, but it should be clear to those skilled in the art that these descriptions are exemplary and are not intended to limit the scope of protection of the present application. Those skilled in the art can make various modifications and variations to the present application based on the spirit and principles of the present application, and these modifications and variations are also within the scope of the present application.

Claims

1. An air purifier, It is characterized in that The air purifier comprises: a purifier body; and A detection component is arranged on the purifier body, and the detection component gradually detects the air quality in multiple directions on the circumference of the purifier body.

2. The air purifier according to claim 1, in, The detection element gradually detects the air quality in multiple directions of the circumference of the purifier body by rotating around the circumference of the purifier body.

3. The air purifier according to claim 2, in, The detection member is arranged on the circumference of the purifier body. The air purifier also includes: The first driving member drives the detecting member to rotate around the circumference of the purifier body.

4. The air purifier according to claim 3, in, The purifier body is provided with an annular opening extending in the circumferential direction; The first driving member drives the detecting member to move along the annular opening.

5. The air purifier according to claim 4, in, The purifier body also includes: an annular guide rail disposed along the annular opening, The detection member is movably connected to the annular guide rail, and the first driving member drives the detection member to move under the guidance of the annular guide rail.

6. The air purifier according to any one of claims 3 to 5, in, The first driving member drives the detecting member to move by magnetic force.

7. The air purifier according to any one of claims 3 to 5, in, The first driving member includes a connecting rod, the detecting member is mounted on one end of the connecting rod, and the connecting rod rotates around the other end to drive the detecting member to rotate around the circumference of the purifier body.

8. The air purifier according to claim 1, in, The detection element gradually detects the air quality in multiple directions on the circumference of the purifier body by switching the detection direction.

9. The air purifier according to claim 8, in, The detection member switches the detection direction by self-rotation; or, The detection element switches the detection direction through an introduction portion capable of selecting the air intake direction.

10. The air purifier according to claim 1, in, The purifier body is provided with a gas channel. The direction of the gas passage changes according to the air quality detected by the detection element.

11. The air purifier according to claim 10, in, The purifier body comprises an outer shell and an inner shell arranged inside the outer shell, wherein the inner shell cooperates with the outer shell to form the gas channel. Furthermore, the direction of the gas passage is controlled by the relative movement of the inner shell and the outer shell.

12. The air purifier according to claim 11, in, The housing is provided with an annular opening extending in the circumferential direction. The inner shell has a notch extending in the axial direction in the circumferential direction, and the annular opening of the outer shell cooperates with the notch of the inner shell to form the gas channel.

13. The air purifier according to claim 12, in, The air purifier further includes a second driving member, which drives the inner shell to rotate in a circumferential direction to change the direction of the gas passage.

14. The air purifier according to claim 12, in, The air purifier further comprises a third driving member, which drives the inner shell to move axially relative to the outer shell between a first position and a second position. When the inner shell is located at the first position, the annular opening of the outer shell is in an open state. When the inner shell is located at the second position, the inner shell blocks a portion of the annular opening of the outer shell, and the notch of the inner shell cooperates with the annular opening of the outer shell to form the gas channel.

15. The air purifier according to claim 12, in, The detection member corresponds to the notch of the inner shell in the axial direction.

16. The air purifier according to claim 12, in, The opening of the gas channel is adjustable.

17. The air purifier according to claim 16, in, The inner shell comprises a first half shell and a second half shell which are relatively rotatable, and the notch is formed between one end of the first half shell in the circumferential direction and one end of the second half shell in the circumferential direction. The size of the notch is adjusted by rotating at least one of the first half shell and the second half shell, so as to adjust the opening of the gas channel.

18. The air purifier according to claim 16, in, The inner shell includes a sliding block matched with the notch, The size of the notch is adjusted by sliding the slider in the axial direction, so as to adjust the opening of the gas channel.

19. The air purifier according to claim 16, in, The inner shell includes a baffle portion located on one axial side of the notch, The distance between the baffle portion and the annular opening edge of the outer shell is adjusted by controlling the movement of the inner shell relative to the outer shell in the axial direction, so as to adjust the opening degree of the gas passage.

20. The air purifier according to claim 12, in, The inner shell comprises a plurality of subshells connected in sequence to form a ring. At least one sub-shell among the plurality of sub-shells moves in the axial direction relative to the other sub-shells, and the gap is formed by the misalignment between the at least one sub-shell and the other sub-shells.

21. The air purifier according to claim 20, in, The distance between the at least one subshell and the edge of the annular opening of the outer shell is adjusted by controlling the axial movement of the at least one subshell relative to the other subshells, so as to adjust the opening of the gas passage formed by the notch of the inner shell and the annular opening of the outer shell; or, The opening of the gas passage formed by the notch of the inner shell and the annular opening of the outer shell is adjusted by controlling the number of the at least one subshell that moves in the axial direction relative to the other subshells.

22. The air purifier according to any one of claims 10 to 21, in, The gas channel includes at least one of an inlet channel and an outlet channel.

23. A method for controlling an air purifier according to any one of claims 1 to 22, It is characterized in that The control method comprises: The detection element is controlled to gradually detect the air quality in multiple directions on the circumference of the purifier body.

24. The control method according to claim 23, in, The control method further comprises: The orientation of the gas passage on the purifier body is changed according to the air qualities in the multiple directions detected by the detection element.

25. The control method according to claim 24, in, Changing the direction of the gas passage on the purifier body according to the air qualities in the multiple directions detected by the detection element comprises: determining a direction with the worst air quality among the multiple directions, The direction of the gas passage is changed to the direction where the air quality is the worst.

26. The control method according to claim 24, in, Changing the direction of the gas passage on the purifier body according to the air qualities in the multiple directions detected by the detection element comprises: Calculating an average value of the air qualities in the multiple directions, and determining a direction in which the difference between the air qualities in the multiple directions and the average value is the largest; The direction of the gas passage is changed to a direction in which the difference between the air mass and the average value is the largest.

27. The control method according to claim 24, in, The control method further comprises: Controlling the purifier body to purify the air in a direction corresponding to the direction of the gas passage; The purification process is terminated when the first preset condition is met.

28. The control method according to claim 27, in, The first preset condition is at least one of the following conditions: The detection element detects that the air mass in the direction corresponding to the direction of the gas passage meets a second preset condition; and The purification process time reaches the preset time.

29. The control method according to claim 28, in, The second preset condition includes: the pollutant concentration indicating the air quality is less than or equal to a first threshold value, Wherein, the first threshold is an average value or a preset value of the pollutant concentrations in the multiple directions detected by the detection element.

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