Air Purifying Apparatus for Noise Reduction

Abstract

A noise-reducing air purification device for reducing noise caused by the high-speed rotation of a motor and impeller included in a blower may include: baffles installed at the top and bottom of the blower and partitioning the space to which the blower belongs; and a penetration pipe provided in the baffles and passing air purified by passing through a filter to reduce the flow velocity. The penetration pipe may be a cylindrical structure having a plurality of penetration holes formed on its outer surface, and a plurality of such pipes may be provided in a manner that they are coupled to penetrate the baffles, and may include a hollow portion inside, with the upper and lower surfaces partially open to allow air circulation. By providing such a noise-reducing air purification device, it is possible to minimize noise generated by the high-speed rotation of the motor and impeller, reduce discomfort or stress caused by high noise, and create a pleasant living and working environment.

Description

Technology Field

[0001] The present invention relates to a technology for reducing noise in an air purification device. Background Technology

[0003] The installation of air purification devices is becoming widespread for the management of harmful substances, such as indoor fine dust, and accordingly, various types of air purification devices are being proposed. Generally, air purification devices are equipped with a blower featuring a motor and impeller to draw in contaminated air and discharge purified air; however, the high noise generated during the high-speed rotation of this blower causes significant discomfort and stress to residents and workers. Furthermore, as cases of hearing deterioration caused by such noise continue to occur, there is a demand for the development of technologies to effectively block or reduce the noise generated by the blower.

[0004] Generally, the noise generated by air purifiers varies depending on the model and size of the air purifier, but on average it is about 60 to 80 dB, which is relatively high noise.

[0005] However, in most existing air purification devices, egg carton-shaped sound-absorbing materials were attached to the inner upper surface of the blower and the ceiling surface to reduce noise. Recently, devices equipped with separate noise reduction units near the blower and air outlet have been devised; however, there have been no reported cases where technology to minimize noise has been applied not only to the air outflow space surrounding the blower—the primary source of noise—but also to the air inflow space. Prior art literature

[0007] KR10-2678839 The problem to be solved

[0008] One aspect of the present invention can provide a technology that can reduce the noise of an air purification device.

[0009] One aspect of the present invention provides a structure that can be easily installed inside an air purification device without the need for a separate external device or additional space, and can reduce noise.

[0010] One aspect of the present invention can provide a noise-reducing air purification device applicable to various types and sizes.

[0011] The technical problems of the present invention are not limited to those mentioned above, and other unmentioned technical problems will be clearly understood by a person skilled in the art from the description below. means of solving the problem

[0013] A noise-reducing air purification device for reducing noise caused by high-speed rotation of a motor and impeller included in a blower may include: baffles installed at the top and bottom of the blower and partitioning the space to which the blower belongs; and a penetration pipe provided on the baffle plate and allowing air purified by passing through a filter to pass through to reduce the flow velocity. The penetration pipe may be a cylindrical structure having a plurality of penetration holes formed on its outer surface, and a plurality of such pipes may be provided in a manner that allows them to penetrate the baffle plate. Additionally, the penetration pipe may include a hollow portion inside, and may be provided such that parts of its upper and lower surfaces are open to allow air to flow. Effects of the invention

[0015] According to one embodiment of the present invention, by providing a noise-reducing air purification device capable of reducing the noise of a blower,

[0016] It is possible to provide a structure capable of reducing noise without requiring separate external devices or additional space, which has the effect of reducing installation costs.

[0017] In addition, it has the effect of reducing noise in living rooms or workplaces, thereby alleviating discomfort or stress caused by such noise, protecting hearing and health, and creating a pleasant working environment. Brief explanation of the drawing

[0019] FIG. 1 is a diagram for schematically explaining an air purification device according to the prior art, and FIG. 2 is a diagram schematically illustrating a noise-reducing air purification device according to one embodiment of the present invention, and FIG. 3 is a cross-sectional view illustrating a baffle plate and a penetration tube according to an embodiment of the present invention, and FIG. 4 is a drawing for explaining the principle of noise reduction by a baffle plate and a penetration tube according to an embodiment of the present invention, and FIG. 5 is a drawing illustrating a baffle plate and a penetration tube according to another embodiment of the present invention. Specific details for implementing the invention

[0020] The advantages and features of the present invention and the methods for achieving them will become clear by referring to the embodiments described in detail below. However, the present invention is not limited to the embodiments disclosed below but can be implemented in various different forms. These embodiments are provided to ensure that the disclosure of the present invention is complete and to fully inform those skilled in the art of the scope of the invention.

[0021] The terms used herein are for describing the embodiments and are not intended to limit the invention. In this specification, the singular form includes the plural form unless specifically stated otherwise in the text. As used herein, 'comprise' and / or 'comprising' do not exclude the presence or addition of one or more other components, steps, actions, and / or elements to the mentioned components, steps, actions, and / or elements.

[0023] Unless otherwise defined, all terms used herein have the same meaning as generally understood by those skilled in the art to which this invention pertains. Terms defined in commonly used dictionaries should be interpreted as having meanings consistent with the context of the relevant technology and should not be interpreted as having an ideal or overly formal meaning unless explicitly defined in this application.

[0025] The structure, operating principle, and effects of the present invention will be explained in more detail below with reference to the attached drawings.

[0027] FIG. 1 is a diagram for schematically explaining an air purification device according to the prior art, FIG. 2 is a diagram for schematically explaining a noise-reducing air purification device according to one embodiment of the present invention, FIG. 3 is a cross-sectional view for explaining baffle plates (10, 12) and penetration tubes (11, 13) according to one embodiment of the present invention, FIG. 4 is a diagram for explaining the principle of noise reduction by baffle plates (10, 12) and penetration tubes (11, 13) according to one embodiment of the present invention, and FIG. 5 is a diagram for explaining baffle plates (10, 12) and penetration tubes (11, 13) according to another embodiment of the present invention.

[0029] Referring to FIGS. 1 to 5, a noise-reducing air purification device according to one embodiment of the present invention may include an intake port (1), a filter (2), an impeller (3), a motor (4), and an exhaust port (5). Additionally, as a structure for reducing noise, it may include baffles (10, 12) and penetration tubes (11, 13).

[0031] Referring to FIGS. 1 and 2, the airflow within the noise-reducing air purifier is examined. First, contaminated air is introduced through an intake port (1) located at the bottom. The introduced air is purified into clean air as it passes through a filter (2), and the purified air is discharged into the atmosphere through an outlet port (5) located at the top, passing through an impeller (3) and a motor (4). During this process, the motor (4) rotates at high speed, and the impeller (3) connected to the bottom of the motor (4) also rotates at high speed, generating high noise. In an exemplary embodiment, the rotational speed of the motor (4) and the impeller (3) may reach approximately 3440 rpm. At this time, baffles (10, 12) and penetration pipes (11, 13) may be installed to block or reduce the noise generated by the high-speed rotation of the motor (4) and the impeller (3). Hereinafter, the device including the motor (4) and the impeller (3) is collectively referred to as a blower.

[0033] Baffle plates (10, 12) can be installed at the upper and lower parts of the blower. In one embodiment, the first baffle plate (10) can be provided between the filter (2) and the impeller (3), and the second baffle plate (12) can be provided between the motor (4) and the outlet (5).

[0034] The first baffle plate (10) can primarily block the first noise generated during the process in which air purified by passing through the filter (2) is sucked into the inside of the blower by the rotation of the blower. At this time, the first noise can be blocked by hitting the first baffle plate (10), as shown in FIG. 4.

[0035] The second baffle plate (12) can primarily block the second noise generated during the process of discharging purified air inside the blower to the outlet (5) by the rotation of the blower. At this time, the second noise can also be blocked by hitting the second baffle plate (12), as shown in FIG. 4. In this way, the baffle plates (10, 12) can perform the function of separating the space to which the blower belongs from other spaces and partitioning it into a space that reduces noise.

[0036] In addition, noise generated during the rotation of the motor (4) and impeller (3) can also be reduced by the baffle plates (10, 12).

[0038] The penetration tube (11, 13) is A plurality of penetration tubes (11, 13) may be provided on the baffle plates (10, 12) in a manner that allows them to be joined by penetrating through the baffle plates (10, 12). The penetration tubes (11, 13) may be cylindrical structures, and a plurality of penetration holes (11-1, 13-1) may be formed on their outer surface. The penetration tubes (11, 13) may have an internal opening and may include a hollow portion (11-2, 13-2). In one embodiment, a separate sound-absorbing material may be provided inside the penetration tubes (11, 13).

[0039] In one embodiment, a plurality of through holes (11-1, 13-1) may be provided on the side of the cylindrical structure of the through tube (11, 13). In another embodiment, an opening (11-3, 13-3) with at least a portion open may be provided on the upper and lower surfaces of the cylindrical structure of the through tube (11, 13). For example, the upper and lower surfaces of the cylindrical structure of the through tube (11, 13) may be implemented in the form of a cover with perforated holes formed therein, and these perforated holes may function as openings.

[0040] In one embodiment, air may flow in and out through the through hole (11-1, 13-1), the hollow portion (11-2, 13-2), and the opening (11-3, 13-3). The first through pipe (11) may perform the role of secondarily reducing the first noise. Referring to FIG. 4, in an exemplary embodiment, with respect to the first baffle plate (10), air may be introduced (B) through the first through hole (11-1) located below the first baffle plate (10), and air may be discharged (D) through the first through hole (11-1) located above the first baffle plate (10).

[0041] In another embodiment, air may also be introduced (A) through the opening located below the first baffle plate (10) among the first openings (11-3) provided on the upper and lower surfaces of the first penetration tube (11). Additionally, air may also be introduced (C) through the opening located above the first baffle plate (10) among the first openings (11-3) provided on the upper and lower surfaces of the first penetration tube (11).

[0042] Meanwhile, air introduced into the first penetration tube (11) can pass through the first hollow section (11-2) and be discharged outside the first penetration tube (11).

[0043] In this way, as air from outside the first penetration pipe (11) passes through the inside of the first penetration pipe (11) and is discharged back outside the first penetration pipe (11), the air flow velocity is reduced and the pressure is changed, thereby reducing noise.

[0044] The second penetration tube (13) can also reduce noise in the same way as the first penetration tube (11) described above.

[0045] In addition, the penetration pipe (11, 13) is combined with the baffle plate (10, 12) to separate the space containing the blower from other spaces, thereby serving the function of partitioning the space into a noise-reducing space.

[0046] In one embodiment, a penetration tube (11, 13) can be coupled to a baffle plate (10, 12) such that the upper and lower surfaces of the cylindrical structure are perpendicular to the baffle plate (10, 12). Accordingly, the effect of reducing noise can be enhanced as noise is reflected to the side of the penetration tube (11, 13) forming a curved surface.

[0047] In another embodiment, the airflow may be changed several times during the process of air entering and exiting through the penetration tubes (11, 13), and the effect of noise reduction may be enhanced as it collides with the penetration tubes (11, 13).

[0048] Meanwhile, in another embodiment, the penetration tube (11, 13) may be arranged such that an imaginary line perpendicular to the upper and lower surfaces of the cylindrical penetration tube (11, 13) is perpendicular to the baffle plate (10, 12). In this case, the noise reduction function may be relatively reduced compared to the previously described embodiment (an embodiment in which an imaginary line perpendicular to the upper and lower surfaces of the cylindrical penetration tube (11, 13) is horizontal to the baffle plate (10, 12).

[0050] Although representative embodiments of the present invention have been described in detail above, those skilled in the art will understand that various modifications can be made to the above-described embodiments without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined by the claims set forth below as well as equivalents thereof. Explanation of the symbols

[0052] 1 : Intake port 2 : Filter 3 : Impeller 4 : Motor 5 : Outlet 10, 12: Baffle board 11, 13: Penetrating tube 11-1, 13-1: Through hole 11-2, 13-2 : Central Department 11-3, 13-3 : Opening

Claims

Claim 1 A noise-reducing air purification device for reducing noise caused by high-speed rotation of a motor and impeller included in a blower, comprising: a first baffle plate installed at the upper and lower portions of the blower and partitioning the space to which the blower belongs; a second baffle plate installed at the lower portion of the blower and partitioning the space to which the blower belongs; and a first through-tube provided in the first baffle plate and passing air purified by passing through a filter to reduce the flow velocity. A noise-reducing air purification device comprising: a second through-tube provided on the second baffle plate and passing the purified air through the filter to reduce the flow rate; wherein the first through-tube and the second through-tube are cylindrical structures and are provided in a plurality of such a manner, each coupled to pass through the first baffle plate and the second baffle plate, and are provided such that an imaginary line perpendicular to the upper and lower surfaces is horizontal to the first baffle plate and the second baffle plate, wherein the first through-tube includes a first opening formed with a plurality of first through-holes on its outer surface and a first hollow portion inside, and the upper and lower surfaces are partially open to allow air to flow, and the second through-tube includes a second opening formed with a plurality of second through-holes on its outer surface and a second hollow portion inside, and the upper and lower surfaces are partially open to allow air to flow. Claim 2 In claim 1, the first baffle plate primarily blocks a first noise generated during the process in which the purified air is sucked into the interior of the blower by the rotation of the blower, and the second baffle plate primarily blocks a second noise generated during the process in which the purified air inside the blower is discharged through the outlet by the rotation of the blower, and the first penetration pipe has air flowing in through the first penetration hole located below the first baffle plate and the first hollow portion and / or the first opening, separated by the first baffle plate, and air flowing out through the first penetration hole located above the first baffle plate and the first hollow portion and / or the first opening, thereby secondarily reducing the first noise, and the second penetration pipe has air flowing in through the second penetration hole located below the second baffle plate and the second hollow portion and / or the second opening, separated by the second baffle plate, and the second penetration hole located above the second baffle plate and the second hollow portion A noise-reducing air purification device characterized by air flowing out through the second opening and / or secondarily reducing the second noise. Claim 3 delete

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