CN114811925B - Air purifier - Google Patents

Air purifier Download PDF

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Publication number
CN114811925B
CN114811925B CN202210269608.9A CN202210269608A CN114811925B CN 114811925 B CN114811925 B CN 114811925B CN 202210269608 A CN202210269608 A CN 202210269608A CN 114811925 B CN114811925 B CN 114811925B
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CN
China
Prior art keywords
air
air outlet
curved surface
fan assembly
duct
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202210269608.9A
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Chinese (zh)
Other versions
CN114811925A (en
Inventor
张吉义
张继通
张中晓
蔡艳芳
徐雪峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Air Conditioner Gen Corp Ltd, Qingdao Haier Air Conditioning Electric Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Priority to CN202210269608.9A priority Critical patent/CN114811925B/en
Publication of CN114811925A publication Critical patent/CN114811925A/en
Application granted granted Critical
Publication of CN114811925B publication Critical patent/CN114811925B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02Ducting arrangements
    • F24F13/06Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F13/072Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser of elongated shape, e.g. between ceiling panels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/15Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
    • F24F8/158Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using active carbon
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/192Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The application relates to the technical field, and discloses an air purifier, which comprises: the shell is provided with an air outlet and an air inlet; the purifying component is arranged in the shell and is positioned at the air outlet or the air inlet; the fan assembly is arranged in the shell; the air duct component is arranged in the shell and comprises an air duct side wall; the side wall of the air duct is provided with a curved surface, and the curved surface is fitted with the fastest curve; the fan assembly and the air outlet are both positioned on the same side of the curved surface, and the air outlet direction of the fan assembly faces the side wall of the air duct, so that the air outlet of the fan assembly flows along the curved surface to the air outlet. Because the side wall of the air duct is provided with the curved surface which is matched with the fastest curve, the air outlet efficiency of the air purifier is improved, and the air outlet is more uniform.

Description

Air purifier
Technical Field
The application relates to the technical field of air purification equipment, in particular to an air purifier.
Background
The air purifier is also called as an air cleaner, an air freshener and an air purifier, and can adsorb, decompose or convert various air pollutants (generally including PM2.5, dust, pollen, peculiar smell, decoration pollution such as formaldehyde, bacteria, allergen and the like), so that the air purifier can effectively improve the air cleanliness, and has wide application in the scenes such as families, buildings, workshops and the like. The air purifier is internally provided with a fan, and air discharged by the fan is guided to circulate to an air outlet of the air purifier by an air duct assembly.
In the related art, a duct type air duct is generally adopted in an air duct component of the air purifier, the head end of the air duct is communicated with a fan, and the tail end of the air duct is connected with an air outlet of an air duct machine, so that air outlet of the fan is guided to the air outlet, and then the air is blown into a room.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:
The air outlet speed of the pipeline type air duct is low, and the blown air is uneven due to pressure loss when the air circulates in the ventilating duct.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows.
The embodiment of the disclosure provides an air purifier, which solves the problems of slower and uneven air outlet speed of an air duct assembly.
In some embodiments, the air purifier comprises:
The shell is provided with an air outlet and an air inlet;
the purifying component is arranged in the shell and is positioned at the air outlet or the air inlet;
The fan assembly is arranged in the shell;
The air duct component is arranged in the shell and comprises an air duct side wall; the side wall of the air duct is provided with a curved surface, and the curved surface is fitted with the fastest curve;
The fan assembly and the air outlet are both positioned on the same side of the curved surface, and the air outlet direction of the fan assembly faces the side wall of the air duct, so that the air outlet of the fan assembly flows along the curved surface to the air outlet.
Optionally, the projection of the curved surface on the plane where the air outlet of the fan assembly is located covers the air outlet.
Optionally, the projection of the curved surface on the plane where the air outlet of the casing is located covers the air outlet.
Optionally, the side wall of the air duct is configured with two curved surfaces, and the two curved surfaces are adjacent.
Optionally, the projections of the two curved surfaces on the plane where the air outlet of the fan assembly is located cover the air outlet.
Optionally, the projections of the two curved surfaces on the plane where the air outlet of the casing is located cover the air outlet.
Optionally, the air outlet and the air inlet are arranged on the same side plate of the casing.
Optionally, the fan assembly includes a centrifugal fan, the centrifugal fan including:
An impeller with its axis parallel or perpendicular to the bottom plate of the housing.
Optionally, the purification assembly includes:
and the air filter covers the air outlet or the air inlet.
Optionally, the air filter comprises a HEPA filter, a glass fiber filter, an electrostatic filter or an activated carbon fiber filter.
The air purifier provided by the embodiment of the disclosure can realize the following technical effects:
Indoor air enters the shell from the air inlet, and under the blowing action of the fan assembly, the air in the shell circulates to the air outlet along the side wall of the air channel, and finally is blown into a room. Because the side wall of the air duct is provided with the curved surface matched with the fastest curve, when the air outlet of the fan assembly circulates along the curved surface to the air outlet, compared with the air flowing along other paths between the fan assembly and the air outlet, the air can be quickly blown to the air outlet, and the air outlet speed of the air purifier is improved. And the fan assembly blows air at different positions on the curved surface at the same time, and can circulate to the tail end of the curved surface at the same time, so that the air outlet of the side wall of the air duct is more uniform.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which like reference numerals refer to similar elements, and in which:
FIG. 1 is a schematic view of an air purifier provided in an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a centrifugal fan layout provided by an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of another centrifugal fan layout provided by an embodiment of the present disclosure;
FIG. 4 is a schematic view of a side wall of an air duct provided by an embodiment of the present disclosure;
FIG. 5 is a schematic illustration of a symmetrically arranged duct sidewall provided by an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a motor base according to an embodiment of the present disclosure;
FIG. 7 is a schematic diagram of a centrifugal fan provided by an embodiment of the present disclosure;
FIG. 8 is a schematic view of a separator provided in an embodiment of the present disclosure;
fig. 9 is a schematic structural diagram of another motor base according to an embodiment of the present disclosure.
Reference numerals:
100: a housing; 110: a front side plate; 111: an air inlet; 112: an air outlet; 120: a bottom plate;
200: a centrifugal fan; 210: an impeller; 220: a volute; 221: an air suction port; 222: an air outlet; 223: a flange; 224: a clamping hook; 230: a single-shaft motor; 240: a double-output shaft motor; 250: a motor base; 251: a bracket; 260: a side wall of the air duct; 261: a first curved surface; 262: a second curved surface;
300: a partition plate; 310: a mounting port; 311: a bayonet;
400: an air filter.
Detailed Description
So that the manner in which the features and techniques of the disclosed embodiments can be understood in more detail, a more particular description of the embodiments of the disclosure, briefly summarized below, may be had by reference to the appended drawings, which are not intended to be limiting of the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.
The terms first, second and the like in the description and in the claims of the embodiments of the disclosure and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe embodiments of the present disclosure. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe embodiments of the present disclosure and embodiments thereof and are not intended to limit the apparatus, elements or components indicated to have a particular orientation or to be constructed and operated in a particular orientation. Also, some of the terms described above may be used to indicate other meanings besides orientation or positional relationship, for example, the term "upper" may also be used to indicate some kind of attachment relationship or connection relationship in some cases. The specific meaning of these terms in the embodiments of the present disclosure will be understood by those of ordinary skill in the art in view of the specific circumstances.
In addition, the terms "disposed," "connected," "secured" and "affixed" are to be construed broadly. For example, "connected" may be in a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the embodiments of the present disclosure may be understood by those of ordinary skill in the art according to specific circumstances.
The term "plurality" means two or more, unless otherwise indicated.
In the embodiment of the present disclosure, the character "/" indicates that the front and rear objects are an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes an object, meaning that there may be three relationships. For example, a and/or B, represent: a or B, or, A and B.
It should be noted that, without conflict, the embodiments of the present disclosure and features of the embodiments may be combined with each other.
Referring to fig. 1-9, embodiments of the present disclosure provide an air purifier including a cabinet 100, a purification assembly, a fan assembly, and a duct assembly. Wherein, the casing 100 is provided with an air outlet 112 and an air inlet 111; the purifying component is arranged in the shell 100 and is positioned at the air outlet 112 or the air inlet 111; the fan assembly is arranged in the casing 100; the air duct assembly is disposed in the housing 100 and includes an air duct sidewall 260; the air duct side wall 260 is configured with a curved surface, and the curved surface is fitted with the fastest curve; the fan assembly and the air outlet 112 are both located on the same side of the curved surface, and the air outlet direction of the fan assembly faces the air duct side wall 260, so that the air outlet of the fan assembly flows along the curved surface to the air outlet 112.
The line segment between the two points is the shortest, but the path between the two points with the fastest speed is the curve. For example, on an incline, two tracks are swung, one being a straight line and one being a curved line, the starting point height and the ending point height being the same. Two pellets of the same mass and size simultaneously slide down from the starting point, whereas the pellets of the curve reach the ending point first. Whereas the fastest curve among the numerous curves can bring the pellet to the end point fastest. The fastest curve is a cycloid, which is a track formed by a fixed point on a circle when the circle moves along a straight line. And, the object that initial coordinate is different is the same and is sliding motion downwards on the fastest curve, can arrive the terminal point at the same moment. The surface that fits to the fastest curve is referred to herein as the fastest surface.
With the air purifier provided in the embodiment of the present disclosure, indoor air enters the casing 100 from the air inlet 111, and under the blowing action of the fan assembly, the air in the casing 100 circulates along the air duct side wall 260 to the air outlet 112, and finally is blown into the room. Because the air duct side wall 260 is configured with a curved surface that fits the fastest curve, when the air outlet of the fan assembly circulates along the fastest curved surface to the air outlet 112, air can be quickly blown to the air outlet 112, improving the air outlet rate of the air purifier, as compared to circulating along other paths between the fan assembly and the air outlet 112. In addition, the air blown by the fan assembly at different positions on the fastest curved surface at the same time can flow to the tail end of the fastest curved surface at the same time, so that the air outlet of the air duct side wall 260 is more uniform.
Optionally, the projection of the fastest curved surface on the plane where the air outlet 222 of the fan assembly is located covers the air outlet 222, so that the air outlet of the fan assembly blows on the fastest curved surface.
Optionally, the projection of the fastest curved surface on the plane of the air outlet 112 of the casing 100 covers the air outlet 112, so that the air flowing along the fastest curved surface is blown out from the air outlet 112 into the room.
In some embodiments, the purification assembly includes an air filter 400, the air filter 400 covering the air outlet 112 or the air inlet 111. If the air filter 400 is disposed at the air inlet 111, air is filtered and purified by the air filter 400 when entering the casing 100 from the air inlet 111; if the air filter 400 is disposed at the air outlet 112, air is filtered and purified by the air filter 400 when the air is blown into the room from the air outlet 112.
Alternatively, the air filter 400 is configured in a U-shape with the opening of the U-shape facing the air outlet 112 or the air inlet 111. Thus, the U-shaped air filter 400 can increase the purification area and improve the purification efficiency of the air purifier.
Alternatively, the air filter 400 is configured in a plate shape, and the plate surface thereof is parallel to the plane in which the air outlet 112 or the air inlet 111 is located. In this way, the air filter 400 having a plate shape parallel to the plane of the air outlet 112 or the air inlet 111 is used, so that the installation space in the cabinet 100 can be saved.
Alternatively, the air filter 400 is configured in a plate shape, and the plate surface thereof is inclined to the plane in which the air outlet 112 or the air inlet 111 is located. Compared with the air filter 400 which adopts a plate shape parallel to the plane of the air outlet 112 or the air inlet 111, the air filter 400 which adopts a plate shape inclined to the plane of the air outlet 112 or the air inlet 111 can increase the purification area and improve the purification efficiency of the air purifier.
Alternatively, the types of air filters 400 include, but are not limited to, HEPA filters (high efficiency air filters 400), glass fiber filters, electrostatic filters, activated carbon fiber filters. Among them, HEPA filters have a particle removal efficiency of more than about @ micron, and are the most effective filter media for contaminants such as smoke, dust, and bacteria.
In some embodiments, the air duct sidewall 260 is configured with two curved surfaces that are adjacent, and both curved surfaces are the fastest curved surfaces; the fan assembly and the air outlet 112 are both located on the same side of the two curved surfaces, and the air outlet direction of the fan assembly faces the air duct side wall 260, so that the air outlet of the fan assembly blows to the air outlet 112 along the two curved surfaces.
Alternatively, the two adjacent curved surfaces are referred to as a first curved surface 261 and a second curved surface 262, respectively, where the first curved surface 261 is close to the fan assembly, the second curved surface 262 is close to the air outlet 112, and a tangent line at the end of the first curved surface 261 intersects the second curved surface 262. The fan assembly blows air to the first curved surface 261, that is, all the air outlet of the fan assembly falls on the first curved surface 261, and when the air flows to the tail end of the first curved surface 261, the air has two circulation directions: one is directed vertically toward the air outlet 112, and the other is along a tangent line at the end of the first curved surface 261. Next, air flowing along a tangent line at the end of the first curved surface 261 is blown toward the second curved surface 262, and when the air flows to the end of the second curved surface 262, the air has two flowing directions: one vertically toward the air outlet 112 and the other along a tangent line at the end of the second curved surface 262. It can be seen that when the air circulates on the two curved surfaces, part of the air vertically flows out towards the air outlet 112, so that the air outlet is relatively uniform. And the duct sidewall 260 is configured with two adjacent curved surfaces, compared to using one curved surface to guide the fan assembly to exhaust air to the air outlet 112, since the air flowing along the tangent line at the end of the first curved surface 261 is continuously guided by the second curved surface 262, the air is buffered and flows along two directions at the end of the second curved surface 262, so that the noise generated by the air wake at the end of the second curved surface 262 is small. Under the condition that the fan assembly simultaneously blows air to the first curved surface 261 and the second curved surface 262, namely, the air outlet of the fan assembly simultaneously falls on the first curved surface 261 and the second curved surface 262, the effects of uniform air outlet and low noise are achieved.
Optionally, as shown in fig. 4, a rounded corner is disposed at the connection between the first curved surface 261 and the second curved surface 262. In the case where a tangent line at the end of the first curved surface 261 does not intersect with the second curved surface 262, when air flows to the end of the first curved surface 261, the air has two flow directions: one vertically toward the air outlet 112 and the other along the rounded corner toward the second curved surface 262. In this way, the air of the first curved surface 261 can be guided to circulate toward the second curved surface 262 by the rounded corners.
Optionally, the projection of the first curved surface 261 and the second curved surface 262 adjacent to each other on the plane where the air outlet 222 of the fan assembly is located covers the air outlet 222, so that the air outlet of the fan assembly blows on at least one of the fastest curved surfaces.
Optionally, the projections of the adjacent first curved surface 261 and second curved surface 262 on the plane of the air outlet 112 of the casing 100 cover the air outlet 112, so that the air flowing along the two fastest curved surfaces is blown out from the air outlet 112 into the room.
Alternatively, the first curved surface 261 is an inner concave surface, and the second curved surface 262 is an outer convex surface. The first curved surface 261 shown in fig. 4 is an inner concave surface, and the second curved surface 262 is opposite to the protruding direction of the cambered surface of the first curved surface 261 (not shown in the figure). The fan assembly blows air towards the air duct side wall 260, and because the second curved surface 262 is the outer convex surface, compared with the inner concave windward surface, the outer convex windward surface is easier to break the wall attaching effect of wind, reduces the phenomenon that wind advances along the air duct, accelerates the wind redirecting effect of the outward convex air duct, and improves the uniformity of the air outlet 112. Meanwhile, the rear end of the first curved surface 261 is connected with the second curved surface 262 which is convex inwards, so that the wall attaching effect of wind at the rear end of the first curved surface 261 is broken, the wind blows to the heat exchange assembly, and the uniformity of the wind outlet 112 is improved. In this embodiment, in the case that the first curved surface 261 is the fastest curved surface, the air outlet efficiency and the air outlet uniformity can be effectively improved.
In some embodiments, as shown in fig. 1, the cabinet 100 of the air cleaner is constructed in a rectangular parallelepiped shape in a ceiling-mounted manner, and the bottom plate 120 of the cabinet 100 is horizontally disposed, and one side plate of the cabinet 100 faces indoors and is referred to as a front side plate 110. The air inlet 111 and the air outlet 112 of the casing 100 are both arranged on the front side plate 110, so that other side plates of the casing 100, the bottom plate 120 and the top plate can be attached to a wall or a cabinet body according to decoration requirements, thereby achieving the effect of hiding the air purifier and further improving decoration effects.
Alternatively, the fan assembly includes a centrifugal fan 200, the centrifugal fan 200 including an impeller 210, the axis of the impeller 210 being parallel or perpendicular to the bottom plate 120 of the housing 100.
Alternatively, as shown in fig. 2 and 3, an air outlet 112 and two air inlets 111 are disposed on the front side plate 110 of the casing 100, and the two air inlets 111 are located on two sides of the air outlet 112 respectively. The fan assembly comprises two centrifugal fans 200, the air inlets 221 of the two centrifugal fans 200 are respectively arranged at the two air inlets 111, and the air outlets 222 of the two centrifugal fans 200 are oppositely arranged. The two air duct side walls 260 are symmetrically disposed between the two centrifugal fans 200, and the air outlet 222 of each centrifugal fan 200 faces one air duct side wall 260 to guide the air outlet 112 of the two centrifugal fans 200 to circulate. The two adjacent curved surfaces of the air duct sidewall 260 are respectively referred to as a first curved surface 261 and a second curved surface 262, wherein the first curved surface 261 is close to the fan assembly, and the second curved surface 262 is close to the air outlet 112. The ends of the second curved surfaces 262 of the two tunnel sidewalls 260 are connected.
In the above embodiment, the exhaust ports 222 of the two centrifugal fans 200 are disposed opposite to each other, and the two air duct sidewalls 260 are symmetrically disposed between the two centrifugal fans 200. It can be seen that in the case where the air outlet 112 is long, it is difficult to use a conventional duct type air duct. The reason is that the conventional duct type air duct needs to be connected with the air outlet 222 of the centrifugal fan 200 and the air outlet 112 of the casing 100 through two ends of the air duct, and the port of the air duct is limited in size, so that it is difficult to adapt to the long air outlet 112. However, the present invention only needs to provide two symmetrical air duct sidewalls 260 as shown in fig. 5, and the manufacturing cost is reduced compared to the conventional duct type air duct.
In the above embodiment, the ends of the second curved surfaces 262 of the two air duct side walls 260 are connected. The air discharged from the air outlet 222 of each centrifugal fan 200 uniformly circulates to the air outlet 112 along two adjacent curved surfaces of the corresponding air channel side wall 260, and when the air discharged from the air outlet 222 of the two centrifugal fans 200 circulates to the end of the second curved surface 262, the air circulates along the tangent line of the end of the corresponding curved surface. Since the two air duct side walls 260 are symmetrical and the ends of the two second curved surfaces 262 are connected, after the wind forces act on each other when the two air portions meet, the two air portions originally flowing along the tangent line of the ends of the corresponding second curved surfaces 262 vertically flow towards the air outlet 112, so that the air outlet at the joint of the two second curved surfaces 262 is more uniform, as shown in fig. 5.
In some embodiments, as shown in fig. 6, the centrifugal fan 200 further includes a volute 220, and the fan assembly further includes a baffle 300. The volute 220 defines a volute air channel in which the impeller 210 is located; the first end of the volute air channel is an air suction inlet 221 of the centrifugal fan 200, and the second end is an air outlet 222 of the centrifugal fan 200; the partition 300 is provided with a mounting port 310; the scroll 220 is located at one side of the partition 300, the second end of the scroll duct is mounted on the partition 300, and the air outlet 222 corresponds to the mounting opening 310, while the air outlet 222 faces the duct sidewall 260. In this way, the scroll 220 can be effectively fixed by the partition 300. Indoor air enters the casing 100 from the air inlet 111, the impeller 210 sucks the air in the casing 100 into the volute air channel from the air suction inlet 221 through centrifugal force when rotating, and after being compressed, the air is blown to the air channel side wall 260 from the air outlet 222, finally the air flows to the air outlet 112 of the casing 100 along the two fastest curved surfaces of the air channel side wall 260, and finally the air is uniformly blown into the room.
Optionally, a first wind speed sensor is arranged at the air suction inlet 221 of the centrifugal fan 200, and the first wind speed sensor is used for detecting the wind quantity entering the volute air channel; the air outlet 222 of the centrifugal fan 200 is provided with a second air speed sensor for detecting the air quantity discharged from the air channel of the volute. The first wind speed sensor and the second wind speed sensor are electrically connected to the controller of the air purifier, and the air inlet and outlet of the centrifugal fan 200 correspond to the mode of the air purifier. When the air purifier operates in a certain mode, if the first wind speed sensor detects that the air inlet quantity is not consistent with the air inlet quantity corresponding to the mode or the air outlet quantity detected by the second wind speed sensor is not consistent with the air outlet quantity corresponding to the mode, the controller sends an overhaul prompt to a user.
Optionally, the end of the second end of the volute air channel extends out of the mounting opening 310 of the partition 300. The side wall of the second end of the air channel of the volute is attached to the inner wall of the mounting opening 310, so that the mounting opening 310 plays a certain limiting role on the air channel volute 220, and the connection stability between the volute 220 and the partition plate 300 is improved.
Optionally, a flange 223 is disposed at the periphery of the second end of the volute air channel, and corresponding bolt holes are disposed on the flange 223 and the partition 300. The flange 223 may be fixed to the partition 300 using bolt fasteners fitted to the bolt holes.
Optionally, a web is provided at the junction of the flange 223 and the scroll 220. The flange 223 is supported and protected by the ribs, so that the connection strength between the flange 223 and the volute 220 is improved.
Alternatively, as shown in fig. 7 and 8, the periphery of the second end of the volute air channel is provided with a clamping hook 224, and the periphery of the mounting opening 310 of the partition 300 is provided with a bayonet 311. The hook 224 corresponds to the bayonet 311, and the scroll 220 can be fixed to the partition 300 by engaging the hook 224 with the bayonet 311.
Optionally, the volute 220 includes an upper housing and a lower housing. The lower shell is detachably connected to the upper shell, and the upper shell and the lower shell are connected to define a volute air channel. After the upper and lower housings are disassembled, the components within the volute 220 are easily serviced.
Optionally, the axis of the impeller 210 of the centrifugal fan 200 is disposed parallel to the bottom plate 120 of the casing 100, and the centrifugal fan 200 further includes a single-shaft motor 230 and a motor mount 250. The motor base 250 is disposed on the partition 300 and corresponds to the single-shaft motor 230, and is used for mounting and fixing the single-shaft motor 230. Thus, both the scroll 220 and the motor housing 250 are mounted on the partition 300.
Optionally, the axis of the impeller 210 of the centrifugal fan 200 is disposed parallel to the bottom plate 120 of the casing 100, and the centrifugal fan 200 further includes a double-output-shaft motor 240 and a motor mount 250. The motor base 250 is disposed on the partition 300 and corresponds to the dual-output motor 240, so as to mount and fix the dual-output motor 240. Thus, both the scroll 220 and the motor housing 250 are mounted on the partition 300.
Alternatively, the axis of the impeller 210 of the centrifugal fan 200 is disposed perpendicular to the bottom plate 120 of the casing 100, and the centrifugal fan 200 is mounted in a lying manner. The centrifugal fan 200 includes a single-shaft motor 230 and a motor base 250, as shown in fig. 9, the single-shaft motor 230 is disposed below the impeller 210, and the driving shaft penetrates through the impeller 210, and the motor base 250 is disposed below the single-shaft motor 230 and is fixed on the bottom plate 120 of the casing 100. The upper surface of the motor housing 250 is provided with a plurality of holders 251. Thus, the single-shaft motor 230 is fixed through the motor base 250, and the volute 220 is supported through the bracket 251, so that the centrifugal fan 200 is more stable.
Alternatively, the axis of the impeller 210 of the centrifugal fan 200 is disposed perpendicular to the bottom plate 120 of the casing 100, and the centrifugal fan 200 is mounted in a lying manner. The centrifugal fan 200 includes a single-shaft motor 230 and a motor base 250, the single-shaft motor 230 is disposed above the impeller 210, the driving shaft penetrates through the impeller 210, the motor base 250 is disposed above the single-shaft motor 230 and fixed on the top plate of the casing 100, and the motor base 250 is used for fixing the single-shaft motor 230. In this way, the single-shaft motor 230 is hoisted by the motor mount 250.
The above description and the drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may include structural and other modifications. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (6)

1. An air purifier, comprising:
A casing (100) provided with an air outlet (112) and an air inlet (111);
the purifying component is arranged in the shell (100) and is positioned at the air outlet (112) or the air inlet (111);
The fan assembly is arranged in the shell (100);
The air duct assembly is arranged in the shell (100) and comprises an air duct side wall (260); the side wall (260) of the air duct is provided with two curved surfaces, namely a first curved surface (261) and a second curved surface (262); the first curved surface (261) is an inner concave surface, the inner concave side of the first curved surface faces the air outlet (112) and is fitted with the fastest curve; the second curved surface (262) is an outer convex surface, and the outer convex side of the second curved surface faces the air outlet (112), so that air can quickly pass through the fastest curved surface and the wall attachment effect can be broken through the outer convex surface, and the air outlet efficiency and the air outlet uniformity can be improved; the projections of the two curved surfaces on the plane where the air outlet (222) of the fan assembly is located cover the air outlet (222);
The fan assembly and the air outlet (112) are both positioned on the same side of the curved surface, and the air outlet direction of the fan assembly faces the side wall (260) of the air duct, so that the air outlet of the fan assembly flows to the air outlet (112) along a first curved surface (261) and a second curved surface (262) in sequence.
2. An air purifier as recited in claim 1, wherein,
And the projections of the two curved surfaces on the plane of the air outlet (112) of the casing (100) cover the air outlet (112).
3. An air purifier as recited in claim 1, wherein,
The air outlet (112) and the air inlet (111) are arranged on the same side plate of the casing (100).
4. The air cleaner of claim 1, wherein the fan assembly includes a centrifugal fan (200), the centrifugal fan (200) including:
-an impeller (210) with its axis parallel or perpendicular to the bottom plate (120) of the casing (100).
5. The air purifier of claim 1, wherein the purification assembly comprises:
An air filter (400) covers the air outlet (112) or the air inlet (111).
6. The air purifier as recited in claim 5, wherein,
The air filter (400) comprises a HEPA filter, a glass fiber filter, an electrostatic filter or an activated carbon fiber filter.
CN202210269608.9A 2022-03-18 2022-03-18 Air purifier Active CN114811925B (en)

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Application Number Priority Date Filing Date Title
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CN114811925B true CN114811925B (en) 2024-08-09

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Citations (4)

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Publication number Priority date Publication date Assignee Title
JPS62141126U (en) * 1986-02-28 1987-09-05
CN106382681A (en) * 2016-11-04 2017-02-08 珠海格力电器股份有限公司 Air conditioner indoor unit
CN208475585U (en) * 2018-03-09 2019-02-05 武城县冠智信息产业技术有限公司 A kind of steepest curved tubular visualization wind outlet unit
CN210688457U (en) * 2019-10-31 2020-06-05 广东美的制冷设备有限公司 Air duct machine and air conditioner with same

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Publication number Priority date Publication date Assignee Title
JP2730351B2 (en) * 1991-10-18 1998-03-25 三菱電機株式会社 Air conditioner
JPH10196989A (en) * 1997-01-13 1998-07-31 Mitsubishi Electric Corp Air conditioner
CN202792238U (en) * 2012-07-05 2013-03-13 大金工业株式会社 Air-conditioner
CN108361852B (en) * 2018-05-09 2023-04-07 青岛海尔空调器有限总公司 Cabinet type air conditioner indoor unit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62141126U (en) * 1986-02-28 1987-09-05
CN106382681A (en) * 2016-11-04 2017-02-08 珠海格力电器股份有限公司 Air conditioner indoor unit
CN208475585U (en) * 2018-03-09 2019-02-05 武城县冠智信息产业技术有限公司 A kind of steepest curved tubular visualization wind outlet unit
CN210688457U (en) * 2019-10-31 2020-06-05 广东美的制冷设备有限公司 Air duct machine and air conditioner with same

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