CN211914185U

CN211914185U - Air purification apparatus for separating airborne particles from an air stream

Info

Publication number: CN211914185U
Application number: CN201922359955.7U
Authority: CN
Inventors: 拉尔斯·韦特; 埃米·海林; 莱纳·尼列维; 阿蒂拉·福多尔
Original assignee: Boluya Technology Shenzhen Co ltd
Current assignee: Boluya Technology Shenzhen Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-11-13
Anticipated expiration: 2029-12-24

Abstract

An air purification apparatus for separating airborne particles from an air stream is disclosed. The air purification apparatus comprises a frame for holding a filter medium arranged to attract at least a subset of the airborne particles. The air purification apparatus also includes a housing having a power source. The frame has a rectangular shape with one corner cut off and the housing has a triangular shape adapted to be fixed to a wall of the frame at the cut off corner, so that the combined housing and frame has a complete rectangular shape. This may simplify the manufacture of the filter and the combined housing and frame have a shape that enables simplified installation, for example in a vehicle.

Description

Air purification apparatus for separating airborne particles from an air stream

Technical Field

The present disclosure relates to the field of air purification. More particularly, the present disclosure relates to an air purification apparatus for separating airborne particles (airborn particles) from an air stream.

Background

In many different technical fields, like for example different types of vehicles or buildings, air filtration systems are used to ensure a desired air quality in a cabin or a building or other enclosed space.

Ionization filtration systems are often used because they provide effective cleaning of airborne particles. The ionization filter system includes an ionizer configured to generate an ionization volume for charging particles in the air such that the particles adhere to a filter medium disposed downstream of the airflow path.

Ions can be generated in several ways, but one frequently used arrangement comprises an emitter electrode and a collector electrode, e.g. a corona tip surrounded by a collector electrode which can be connected to ground, such that when a high voltage is applied across the emitter electrode and the collector electrode, ions are generated in a volume surrounding the emitter electrode (i.e. the corona tip). The volume in which the ions are generated is referred to as the ionization volume, and the emitter and collector electrodes are preferably arranged such that the ionization volume spans the flow path. At least a portion of the particles are charged as they pass through the ionization volume. The charged particles then adhere to the filter media downstream of the airflow path.

When providing an ionization filter system in a vehicle, several parameters need to be considered, such as the need for an ionization volume of sufficient size, i.e. the volume in which airborne particles are charged by the ion field, limited space for different systems and components, limited possibilities for the influence of electromagnetic emissions from the ionization filter system to influence other components and to adapt to other devices and arrangements, the addition of other arrangements in the air flow to influence the air flow, etc. Therefore, there is a need for an ionization arrangement that provides a suitable compromise between different limiting parameters.

SUMMERY OF THE UTILITY MODEL

It is an object of the present disclosure to provide an air purification apparatus that seeks to mitigate, alleviate or eliminate one or more of the above-identified deficiencies in the art and disadvantages singly or in any combination.

This object is achieved by the air cleaning device provided by the present disclosure.

An air purification apparatus for separating airborne particles from an air stream is provided. The air purification apparatus comprises a frame for holding a filter medium arranged to attract at least a subset of the airborne particles. The air purification apparatus also includes a housing including a power source. The frame has a rectangular shape with one corner cut off and the housing has a triangular shape adapted to be fixed to a wall of the frame at the cut off corner, so that the combined housing and frame has a complete rectangular shape.

In an embodiment, the housing comprises a fastener, wherein the fastener is arranged to clip onto a wall of the box or frame.

In an embodiment, the fastener comprises a first flat portion attached to the horizontal wall of the housing and a second portion parallel to the first flat portion, the second portion comprising a hook, wherein the hook is arranged to slide into a pleat of a filter to be used with the air cleaning device.

In an embodiment, the hook is provided with rolled tips arranged to slide into pleats of a filter to be used with the air cleaning device.

When using the air cleaning device, the power supply is fixed to the wall of the box or frame in which the filter medium is arranged. When the air cleaning apparatus is used, the fastener may be electrically connected to an electrical ground or to a voltage different from the voltage supplied to the emitter electrode.

By providing the frame with a rectangular shape having one corner cut and the housing with a triangular shape adapted to be fixed to the wall of the frame at the corner cut, such that the combined housing and frame has a complete rectangular shape, the manufacture of the filter can be simplified and the combined housing and frame have a shape enabling simplified installation, for example in a vehicle.

The terms "ionization cell" and "ionizer" are used herein to denote the combination of emitter and collector electrodes (or transmission and reception electrodes).

By air flow is meant the air flow through the equipment in use. The air flow may be actively generated in that it is driven by a fan or other such air displacing means, or it may be passive in that it is generated by directing air through a filter while a vehicle comprising such a device is being driven. The air flow may also be driven by the air conditioning system of the vehicle.

Drawings

The foregoing will be apparent from the following more particular description of example embodiments, as illustrated in the accompanying drawings in which like reference characters refer to the same parts throughout the different views. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating example embodiments.

Fig. 1 is an exemplary configuration and detail of an air cleaning apparatus according to the present disclosure.

Fig. 2 is a close-up view of a detail in the air cleaning device of fig. 1.

Fig. 3 shows the housing 52 and fasteners 62 when removed from the cabinet or frame of the air purification apparatus according to the present disclosure.

Detailed Description

Aspects of the present disclosure are described more fully hereinafter with reference to the accompanying drawings. The devices disclosed herein may, however, be embodied in many different forms and should not be construed as limited to the aspects set forth herein. Like numbers refer to like elements throughout.

The terminology used herein is for the purpose of describing particular aspects of the disclosure only and is not intended to be limiting of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

Fig. 1 is an example of a configuration of an air purification apparatus 40 for separating airborne particles from an air stream. The air purification device 40 comprises a transmitter unit 42, the transmitter unit 42 comprising a transmitting electrode 44, and a filter medium 22, the filter medium 22 being arranged to attract at least a subset of the airborne particles. The filter media 22 may be disposed in a frame or box 50.

The air cleaning device 40 further comprises a housing 52 adapted to be fixed to a wall of the frame 50.

The air purification apparatus 40 further comprises a housing 52, which housing 52 comprises a power supply (not shown) and other electronics (not shown) for operating the air purification apparatus 40. The emitter electrode 44 is arranged for charging airborne particles present in the air flow when the air cleaning device 40 is in use. The voltage is applied by a power source (not shown) in the housing 52 via an electrical connector, such as the power cable 54 shown in fig. 1. The voltage applied to the emitter electrode 44 may be between-10 kV DC and 10kV DC, and more preferably between-7 kV DC and 7kV DC.

As shown in fig. 1, the box or frame 50 has a rectangular shape with one corner cut, and the housing 52 has a triangular shape adapted to be secured to the wall of the frame 50 at the corner cut, such that the combined housing 52 and box or frame 50 have a complete rectangular shape. Even though the housing 52 has a triangular shape, the housing 52 and the box or frame 50 may have other shapes. The use of the corner cut of the box or frame 50 and the triangular housing 52 has been selected to simplify the manufacture of the filter. The air cleaning apparatus may be designed such that the frame or box 50 has the same size and shape as a standard filter box comprising a filter medium which is typically placed in a filter chamber of a vehicle.

Fig. 2 shows a detail of the air cleaning apparatus 40 of fig. 1. A housing 52, which includes a power source (not shown) and other electronics (not shown) for operating the air purification apparatus, is attached to the frame or wall of the box 50 by fasteners 62. When the air cleaning apparatus is used, the fastener 52 is electrically connected to an electrical ground or to a voltage different from the voltage supplied to the emitter electrode. The fasteners 62 are also electrically connected to the conductive material of the filter media 22 when the air purification apparatus is in use.

Fig. 3 shows the housing 52 and fasteners 62 when removed from the box or frame. The fastener, for example made of metal, is a clip attached to the housing and arranged to clip onto a wall of the tank or frame. The fastener 62 includes a first flat portion attached to the horizontal wall of the housing 52 and a second portion parallel to the first flat portion that includes a hook 64 with an optional rolled tip. A hook 64 with an optional rolled tip is arranged to slide into the pocket (pleat) of the filter.

It should be noted that the word "comprising" does not necessarily exclude the presence of other elements or steps than those listed and the word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. It should also be noted that any reference signs do not limit the scope of the claims, that the example embodiments may be implemented at least partly in both hardware and software, and that several "means", "units" or "devices" may be represented by the same item of hardware.

In the drawings and specification, there have been disclosed exemplary embodiments. However, many variations and modifications may be made to these embodiments. Accordingly, although specific terms are employed, they are used in a generic and descriptive sense only and not for purposes of limitation, the scope of the embodiments being defined by the following claims.

Claims

1. An air purification apparatus for separating airborne particles from an air stream, the air purification apparatus comprising:

a frame (50), the frame (50) for holding a filter medium (22), the filter medium (22) arranged to attract at least a subset of the airborne particles, an

A housing (52), the housing (52) including a power source,

wherein the frame (50) has a rectangular shape with one corner cut off and the housing (52) has a triangular shape adapted to be fixed to a wall of the frame (50) at the cut off corner, such that the housing (52) and the frame (50) in combination have a complete rectangular shape.

2. Air cleaning device according to claim 1, characterized in that the housing (52) comprises a fastening member (62), wherein the fastening member (62) is arranged to be clipped onto a wall of a box or frame.

3. Air cleaning device according to claim 2, wherein the fastening element (62) comprises a first flat portion attached to a horizontal wall of the housing (52) and a second portion parallel to the first flat portion, the second portion comprising a hook (64), wherein the hook (64) is arranged to slide into a pleat of a filter to be used with the air cleaning device.

4. An air cleaning device according to claim 3, characterized in that the hook (64) is provided with rolled tips arranged to slide into the pleats of the filter to be used with the air cleaning device.