Dust collecting device and air purifier

Abstract

The dust collecting device and air purifier provided by the present invention include: a shell, with a built-in driving device and a power supply unit, including a ventilation chamber; a plurality of dust collecting units arranged side by side, arranged in the ventilation chamber, connected to the power supply unit, including a shaft body, the shaft body is connected to the shell, and the shaft body is suitable for driving the dust collecting unit to rotate under the drive of the driving device. This arrangement, on the one hand, allows the windward side and the leeward side of the dust collecting unit to contact the flowing air, thereby improving the contact efficiency between the dust collecting unit as a whole and the surrounding flowing air, and can adsorb more charged particles per unit time, thereby realizing multi-directional and three-dimensional dust removal and improving the dust collecting efficiency; on the other hand, the rotation of the dust collecting unit increases the flow rate of the surrounding gas, further improving the contact efficiency between the dust collecting unit and the air, and improving the dust collecting effect.

Description

Technical Field

[0001] The present invention relates to the technical field of household appliances, and in particular to a dust collecting device and an air purifier. Background Art

[0002] Air purifiers have become common electrical appliances in daily life. They can absorb, decompose or transform various air pollutants, effectively improving the cleanliness of the air. Air purifiers usually use fans to draw air from the bottom into the air purifier for filtration and evolution. When dust and other particulate pollutants in the air pass through the electric field in the electric purification unit, the electric field makes the dust and other particulate impurities and gases carry electric charges. The dust collecting device, through the dust collecting part set on it, absorbs the particulate pollutants in the air according to the principle of mutual attraction of different charges, so as to achieve the purpose of filtration and purification.

[0003] During the operation of the dust collecting unit, the dust collecting unit is usually set statically, relying on air flow to absorb the charged particles passing through. However, since the angle of the dust collecting unit inside the dust collecting unit is relatively fixed, during the adsorption process, the charged particles will always be in contact with the windward side of the dust collecting unit, and the leeward side of the dust collecting unit has a lower chance of contacting the charged particles, resulting in the inability to fully utilize the adsorption capacity of the dust collecting unit. Summary of the invention

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defect of the air purifier in the prior art that the adsorption capacity of the dust collecting part cannot be fully utilized, thereby providing a dust collecting device and an air purifier.

[0005] The present invention provides a dust collecting device, comprising:

[0006] The housing has a driving device and a power supply unit built in, and includes a ventilation cavity;

[0007] A plurality of dust collecting parts arranged side by side are arranged in the ventilation cavity and connected to the power supply part, and include a shaft body, wherein the shaft body is connected to the shell and is suitable for driving the dust collecting parts to rotate under the drive of the driving device.

[0008] One end of the shaft body passes through the power supply part and is provided with a driven part, and the driving device acts on the driven part.

[0009] The driven part is a driven gear, and the driving device comprises:

[0010] A chain is meshed with the driven gear of each shaft;

[0011] The driving motor comprises a driving shaft parallel to the shaft body, and the driving shaft is provided with a driving gear meshing with the chain.

[0012] The housing comprises: a first accommodating cavity, comprising a first receiving portion, a top end of the first receiving portion is provided with an axis groove, the axis groove is suitable for accommodating the shaft body and allowing the shaft body to rotate relative to the axis groove;

[0013] The second accommodating cavity is arranged opposite to the first accommodating cavity along the extension direction of the shaft body, and includes a second receiving portion and the driving device. The second receiving portion has the power supply portion built therein, and the power supply portion is movably connected to the shaft body.

[0014] A plurality of dust collecting parts are arranged in parallel and evenly spaced in the ventilation cavity.

[0015] The dust collecting part is in a single-piece shape and is centrally symmetrical along the shaft body. The dust collecting parts on both sides of the shaft body are arranged in an arc shape.

[0016] The dust collecting part is made of aluminum alloy.

[0017] The shell is a frame-type structure, comprising a first frame and a second frame, wherein the second frame is arranged at the bottom side of the first frame and is fixedly connected to the second frame.

[0018] The power supply part is a brush.

[0019] The present invention also provides an air purifier, comprising the above-mentioned dust collecting device.

[0020] The technical solution of the present invention has the following advantages:

[0021] 1. The dust collecting device provided by the present invention comprises: a shell, in which a driving device and a power supply part are built-in, including a ventilation cavity; a plurality of dust collecting parts arranged side by side with each other, arranged in the ventilation cavity, connected to the power supply part, including a shaft body, the shaft body is connected to the shell, and the shaft body is suitable for driving the dust collecting parts to rotate under the drive of the driving device.

[0022] By arranging a dust collecting part in the ventilation cavity of the shell and connecting the power supply part to the dust collecting part so as to make the dust collecting part charged, the charged particles flowing through the ventilation cavity can be effectively adsorbed. By arranging a driving device in the shell to drive the shaft of the dust collecting part to rotate, the dust collecting part can also be rotated. With this arrangement, on the one hand, both the windward side and the leeward side of the dust collecting part can be in contact with the flowing air, thereby improving the contact efficiency between the dust collecting part as a whole and the surrounding flowing air, and more charged particles can be adsorbed per unit time, thereby realizing multi-directional and three-dimensional dust removal and improving the dust collecting efficiency. On the other hand, the rotation of the dust collecting part increases the flow rate of the surrounding gas, further improving the contact efficiency between the dust collecting part and the air, and improving the dust collecting effect.

[0023] 2. The dust collecting device provided by the present invention comprises a shell including: a first accommodating chamber, including a first receiving portion, a top end of the first receiving portion is provided with an axial groove, the axial groove is suitable for accommodating the shaft body and allowing the shaft body to rotate relative to the axial groove; a second accommodating chamber, arranged opposite to the first accommodating chamber along the extension direction of the shaft body, including a second receiving portion and the driving device, the second receiving portion having the power supply portion built therein, and the power supply portion is movably connected to the shaft body.

[0024] By arranging two closed chambers in the shell to accommodate the first receiving part, the second receiving part and the driving device, the charged foreign particles entering the first accommodating chamber or the second accommodating chamber are reduced, the driving effect of the driving device on the rotation of the dust collecting part is ensured, and the stability of the operation of the dust collecting device is improved.

[0025] 3. The dust collecting device provided by the present invention has a dust collecting portion in a single-piece shape and is centrally symmetrical along the axis, and the dust collecting portions on both sides of the axis are arranged in an arc shape.

[0026] The dust collecting part is in the shape of a single piece with central symmetry. Under the premise of ensuring less consumables, simple structure and easy manufacturing, the dust collecting part arranged in this way has fewer airflow vortices, is easier to contact with flowing air, and has higher dust collecting efficiency. In addition, the dust collecting parts on both sides of the shaft body are arranged in an arc shape, which increases the area of ​​the dust collecting part within the radial unit length of the shaft body, thereby increasing the contact area between the dust collecting part and the air, and further increasing the contact efficiency between the dust collecting part and the air by increasing the flow rate of the surrounding airflow, thereby improving the dust collecting efficiency.

[0027] 4. The dust collecting device provided by the present invention has a dust collecting part made of aluminum alloy.

[0028] Aluminum alloy materials have the characteristics of low cost, low density, low mass and good adsorption effect, which makes the weight of a single dust collecting part smaller, reduces the load of the driving device, and further reduces the cost of the dust collecting device.

[0029] 5. The dust collecting device provided by the present invention has a shell of a frame-type structure, including a first frame and a second frame, wherein the second frame is arranged at the bottom side of the first frame and is fixedly connected to the second frame.

[0030] The shell is divided into a detachable first frame and a second frame along the height direction, which is convenient for installing and setting various structures or circuits in the first accommodating cavity and the second accommodating cavity inside the shell, and the assembly is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 A schematic diagram of the structure of a dust collecting device provided in an embodiment of the present invention;

[0033] Figure 2 for Figure 1 A schematic diagram of the structure of the dust collecting device shown;

[0034] Figure 3 for Figure 2 A partial enlarged view of the first accommodating chamber and part of the ventilation chamber in the dust collecting device shown;

[0035] Figure 4 for Figure 2 A partial enlarged view of the second accommodating chamber and part of the ventilation chamber in the dust collecting device shown;

[0036] Figure 5 for Figure 1 A schematic diagram of the structure of the dust collecting part in the dust collecting device shown;

[0037] Description of reference numerals:

[0038] 1-housing; 11-ventilation chamber; 12-first accommodating chamber; 121-first receiving portion; 122-shaft groove; 13-second accommodating chamber; 131-second receiving portion; 132-chain; 133-driving motor; 134-driving gear; 14-first frame; 15-second frame; 2-dust collecting portion; 21-shaft; 211-driven gear. DETAILED DESCRIPTION

[0039] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0041] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0043] like Figure 1 - Figure 5 This embodiment provides a dust collecting device, including: a shell 1 and a dust collecting part 2.

[0044] The housing 1 is a rectangular frame structure, with a drive device and a power supply unit built in, and a square ventilation cavity 11 is provided in the middle. As a convertible implementation, the housing 1 can also be in other forms such as a barrel shape.

[0045] Several dust collecting parts 2 are arranged side by side in the ventilation cavity 11. In this embodiment, a shaft 21 is arranged in the middle of the dust collecting part 2. Both ends of the shaft 21 are arranged inside the shell 1, and one end is connected to the power supply part. The setting of the power supply part can make the dust collecting part 2 charged and absorb the charged impurity particles in the surrounding air. Both ends of the shaft 21 are movably connected to the shell 1, and the dust collecting part 2 can rotate along the central axis of the shaft 21 under the drive of the driving device. As a convertible embodiment, the shaft 21 can also be arranged at the edge of the dust collecting part 2 or other positions.

[0046] By arranging a dust collecting part 2 in the ventilation cavity 11 of the shell 1 and connecting the power supply part, the dust collecting part 2 is charged, which can effectively absorb the charged particles flowing through the ventilation cavity 11. By arranging a driving device in the shell 1, the shaft 21 of the dust collecting part 2 is driven to rotate, and the dust collecting part 2 is rotated together. In this way, on the one hand, both the windward side and the leeward side of the dust collecting part 2 can contact the flowing air, thereby improving the contact efficiency between the dust collecting part 2 as a whole and the surrounding flowing air, and can absorb more charged particles per unit time, thereby realizing multi-directional and three-dimensional dust removal and improving the dust collection efficiency. On the other hand, the rotation of the dust collecting part 2 increases the flow rate of the surrounding gas, further improves the contact efficiency between the dust collecting part 2 and the air, and improves the dust collection effect.

[0047] The housing 1 is divided into a first frame 14 and a second frame 15 along the horizontal midline, the second frame 15 is arranged at the bottom of the first frame 14, the first frame 14 and the second frame 15 are fixedly connected by screws, and the interior of the rectangular frame-shaped housing 1 formed by the first frame 14 and the second frame 15 includes a first accommodating cavity 12 and a second accommodating cavity 13, and the first accommodating cavity 12 and the second accommodating cavity 13 are arranged inside two oppositely arranged frames of the housing 1. The housing 1 is divided into a detachable first frame 14 and a second frame 15 along the height direction, which facilitates the installation and setting of various structures or circuits in the first accommodating cavity 12 and the second accommodating cavity 13 inside the housing 1, and the assembly is simple.

[0048] A plurality of first receiving parts 121 are arranged inside the first accommodating cavity 12, and reinforcing ribs are arranged on the sides. The first receiving part 121 is arranged at the bottom of the first accommodating cavity 12, and a semi-annular shaft groove 122 is arranged on the top side thereof, which can accommodate the shaft body 21 and allow one end of the shaft body 21 to pass through and rotate relative to the shaft groove 122. As a convertible embodiment, the shaft groove 122 can be a bearing or a bearing.

[0049] The second accommodating chamber 13 is arranged opposite to the first accommodating chamber 12 along the extension direction of the shaft body 21, and a second receiving portion 131 is arranged at the bottom of the chamber, a power supply portion is arranged inside the second receiving portion 131, and a bearing is arranged in the middle for the shaft body 21 to pass through. In this embodiment, the power supply portion is a brush. As a convertible implementation, the power supply portion can also be a wire terminal connected to an external power supply. In this embodiment, the connection line of each first receiving portion 121 and the connection line of each second receiving portion 131 are parallel and perpendicular to the shaft body 21. As a convertible implementation, the power supply portion can also be arranged on the first receiving portion 121.

[0050] By providing two closed chambers in the housing 1 to accommodate the first receiving portion 121 and the second receiving portion 131 and the driving device, the charged impurity particles entering the first receiving chamber 12 or the second receiving chamber are reduced, the driving effect of the driving device on the rotation of the dust collecting portion 2 is ensured, and the stability of the operation of the dust collecting device is improved.

[0051] One end of the shaft 21 passes through the power supply part and is provided with a driven part 211. In this embodiment, the driven part 211 is a driven gear, and a plurality of dust collecting parts 2 are arranged in parallel and evenly spaced in the ventilation cavity 11. As a convertible embodiment, only a single dust collecting part 2 can be provided.

[0052] The driving device includes a chain 132 and a driving motor 133 .

[0053] The chain 132 is meshed with the driven gears on each shaft body 21; the driving motor 133 includes a driving shaft parallel to the shaft body 21, and the driving shaft is provided with a driving gear 134 meshed with the chain 132. By providing the chain 132 and the gear drive, the linkage of multiple dust collecting parts 2 is realized, and the transmission efficiency is improved.

[0054] In this embodiment, the driven part 211 and the driving device are driven by gears and chain 132. As a convertible implementation, the chain 132 can also be set as a rack, and the rotation direction of the shaft body can be controlled by the positive and negative rotation of the driving gear. As another convertible implementation, the chain 132 can also be a transmission belt, and the driven part 211 can also be a transmission wheel.

[0055] The dust collecting part 2 is in a single piece and is centrally symmetrical along the shaft 21. The dust collecting parts 2 on both sides of the shaft 21 are arranged in an arc-shaped wave shape. The dust collecting part 2 is in a centrally symmetrical single piece. The dust collecting part 2 arranged in this way has fewer airflow vortices, is easier to contact the flowing air, and has a higher dust collecting efficiency, while ensuring less consumables, a simple structure, and easy manufacturing. In addition, the dust collecting parts 2 on both sides of the shaft 21 are arranged in an arc shape, which increases the area of ​​the dust collecting part 2 within the radial unit length of the shaft 21, which not only increases the contact area between the dust collecting part 2 and the air, but also further increases the contact efficiency between the dust collecting part 2 and the air by increasing the surrounding airflow rate, thereby improving the dust collecting efficiency.

[0056] As a convertible embodiment, the dust collecting part 2 can also be arranged in a multi-piece or flat plate shape.

[0057] In this embodiment, the dust collecting part 2 is made of aluminum alloy. Aluminum alloy has the characteristics of low cost, low density, low mass and good adsorption effect, which makes the weight of a single dust collecting part 2 smaller, reduces the load of the driving device, and further reduces the cost of the dust collecting device.

[0058] This embodiment also provides an air purifier, including the above-mentioned dust collecting device.

[0059] Obviously, the above embodiments are merely examples for clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from them are still within the protection scope of the invention.

Claims

1. A dust collecting device, characterized in that: include: A housing (1) having a drive device and a power supply unit built therein, and including a ventilation chamber (11); A plurality of dust collecting parts (2) arranged side by side are arranged in the ventilation cavity (11) and connected to the power supply part, comprising a shaft (21), wherein the shaft (21) is connected to the housing (1), and the shaft (21) is suitable for driving the dust collecting part (2) to rotate under the drive of a driving device, and one end of the shaft (21) passes through the power supply part and is provided with a driven part (211), and the driving device acts on the driven part (211); The driven part (211) is a driven gear, and the driving device comprises: a chain (132) and a driving motor (133), the chain (132) is meshed with the driven gear of each shaft body (21), the driving motor (133) comprises a driving shaft parallel to the shaft body (21), and a driving gear (134) meshed with the chain (132) is arranged on the driving shaft; The housing (1) comprises: The first accommodating cavity (12) comprises a first receiving portion (121), a top end of the first receiving portion (121) being provided with an axis groove (122), the axis groove (122) being suitable for accommodating the shaft body (21) and allowing the shaft body (21) to rotate relative to the axis groove (122); The second accommodating chamber (13) is arranged opposite to the first accommodating chamber (12) along the extension direction of the shaft body (21), and comprises a second receiving portion (131) and the driving device, wherein the second receiving portion (131) has the power supply portion built therein, and the power supply portion is movably connected to the shaft body (21).

2. The dust collecting device according to claim 1, characterized in that: A plurality of dust collecting parts (2) are arranged in parallel and evenly spaced apart in the ventilation cavity (11).

3. The dust collecting device according to claim 1 or 2, characterized in that: The dust collecting portion (2) is in a single-piece shape and is centrally symmetrical along the shaft (21); the dust collecting portions (2) on both sides of the shaft (21) are arranged in an arc shape.

4. The dust collecting device according to claim 3, characterized in that: The dust collecting part (2) is made of aluminum alloy.

5. The dust collecting device according to any one of claims 1 to 2 or 4, characterized in that: The housing (1) is a frame-type structure, comprising a first frame (14) and a second frame (15); the second frame (15) is arranged on the bottom side of the first frame (14) and is fixedly connected to the second frame (15).

6. The dust collecting device according to claim 5, characterized in that: The power supply part is a brush.

7. An air purifier, characterized in that: It comprises the dust collecting device as described in any one of claims 1 to 6.

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