WO2019096305A1

WO2019096305A1 - Lint filtering device and dryer

Info

Publication number: WO2019096305A1
Application number: PCT/CN2018/116201
Authority: WO
Inventors: 程宝珍; 成荣峰; 窦娜; 李艳华; 孟庆川
Original assignee: 青岛海尔洗衣机有限公司
Priority date: 2017-11-17
Filing date: 2018-11-19
Publication date: 2019-05-23
Also published as: JP2021503363A; JP7015100B2

Abstract

Provided in the invention are a dryer lint filtering device and a dryer. The lint filtering device comprises an integrally formed frame and a filter mesh. The filter screen is arranged in the frame, and the frame is folded along the middle portion thereof and an edge of the frame is fixed to form a box structure, and one end of the box structure forms an air inlet.

Description

Chip filter and dryer

This application requires the application date is November 17, 2017, the application number is 201711147734.2, the name is "a wire filter device and dryer for clothes dryers" and the application date is November 21, 2017. The application number is The priority of the Chinese Patent Application, the disclosure of which is hereby incorporated by reference in its entirety in its entirety in the the the the the the the the the the

Technical field

The present disclosure relates to the field of dryer technology, for example, to a chip filter device and a clothes dryer.

Background technique

The clothes dryer is a cleaning type household appliance that uses electric heating to evaporate and dry the moisture in the washed clothes. The drying principle of the dryer is generally to heat the air through a set of heating elements. The heated air is brought into the drum by the fan. After the clothes in the drum are heated, the moisture on the clothes evaporates into hot and humid air, and the hot and humid air is sucked and condensed by the fan. In the device, the hot and humid air flows out along the inner wall of the condenser after the condenser becomes condensed water, and the dried gas is heated by the heating element and then enters into the drum, so as to achieve the purpose of drying the clothes.

According to the different ways of exhaust, dryers are divided into two types: straight-line dryers and condensing dryers. The drying air of the in-line dryer is discharged directly into the air after passing through the drum, and the drying wind of the condensing dryer circulates through the entire circulation system. Regardless of the type of dryer, the dryer's drying wind will always carry out some fine thread after passing through the clothes in the drum.

As the clothes are in the process of drying, fine swarf will enter the air duct along with the hot and humid air, thereby blocking the flow of the air, affecting the flow of the dry air, or entering the motor, affecting the operation of the motor, thereby affecting the drying effect. In the prior art, a wire dust filter is usually disposed between the drum and the air duct. The hot and humid air passes through the wire filter to filter the wire and enters the air passage to avoid clogging the air passage or affecting the normal operation of the motor and the like.

In order to prevent the wire from being discharged into the air to pollute the air when the dryer is exhausted, or the wire dust is circulated in the air circulation system with the drying air, the clothes are attached with more fine wires, and the dryer needs to be configured with dry air. The thread filter device of the clothes machine.

In the related art, the wire filter device of the clothes dryer is generally composed of a first filter frame and a second filter frame, the bottoms of the first filter frame and the second filter frame are overlapped by a rotating shaft, and the bottom is a solid structure. Without the filter net, the air outlet area of the drying air is small; and the bottom of the wire filter device of the clothes dryer is caused by the overlapping connection due to the overlapping connection, and the wire chips enter the air passage by the overlapping gap, thereby affecting the operation of the motor. . The above-mentioned swarf filter not only has a large number of parts, but is inconvenient to disassemble, and since the two frames on both sides are connected by the connecting members at the bottom, the fine swarf carried by the hot and humid air entering the swarf filter is easily connected by the connecting piece and The assembly gap of the frame enters the air duct, thereby blocking the air passage or entering the motor, thereby affecting the drying efficiency.

In addition, since the connecting member provided at the bottom of the chip filter is a non-permeable solid structure, the air outlet area of the chip filter is small, which affects the flow ventilation of the wire filter, thereby affecting the drying efficiency.

Summary of the invention

The present disclosure provides a wire filtering device and a clothes dryer, which solves the technical problem that the bottom of the wire filtering device of the dryer in the related art has a small air outlet area and the wire is easily entered from the bottom into the air passage. .

A wire filtering device comprising an integrally formed frame and a filter mesh, the filter mesh being disposed in the frame, the frame being folded along a middle portion and fixed at an edge to form a box structure, One end of the box structure forms an air inlet.

A clothes dryer comprising the above-mentioned wire dust filtering device.

DRAWINGS

1 is a schematic structural view of a wire filtering device according to an embodiment;

2 is a schematic structural view of a wire dust filtering device provided in an embodiment;

3 is a schematic structural view of a wire filtering device provided by an embodiment after removing a filter;

4 is a schematic structural view of a wire dust filtering device provided in an embodiment after the filter is removed;

FIG. 5 is a schematic structural view of the wire dust filtering device provided by an embodiment when the filter is completely opened after removing the filter; FIG.

6 is a schematic view showing another angle structure after the wire dust filtering device provided by an embodiment is opened;

Figure 7 is a front elevational view of a lint filter provided by an embodiment;

Figure 8 is a schematic structural view of a clothes dryer according to an embodiment;

FIG. 9 is a schematic structural view showing a front air duct of a clothes dryer according to an embodiment; FIG.

10 is a schematic view showing the installation of a wire dust filter device of a clothes dryer according to an embodiment;

11 is a schematic structural view of another angle of the clothes dryer according to an embodiment;

Figure 12 is a front elevational view of the dryer provided in an embodiment;

Figure 13 is a cross-sectional view taken along line A-A of Figure 12;

Figure 14 is a partial enlarged view of the portion B in Figure 13.

In the picture:

100, wire dust filter device; 200, roller;

101, a housing; 102, a front air duct; 103, a drum air outlet;

2, filter net; 3, wire dust filter warehouse;

1. Frame; 11, first filter frame; 12, second filter frame; 13, flexible joint; 14, crease; 15, grid structure;

111, the card portion; 112, the support column; 121, the first air inlet; 122, the second air inlet; 123, the limit portion; 124, the first rib position; 125, the second rib position; 126, the support card slot 131, the first air outlet; 132, support ribs.

Detailed ways

As shown in FIG. 1 to FIG. 7 , the present embodiment protects a wire filtering device of a clothes dryer. As shown in FIG. 1 and FIG. 2 , the filtering device of the clothes dryer has a box-like structure, and the inside of the box structure The cavity is used for filtering and collecting the lint in the hot and humid air. When the wire removing filter device 100 is cleaned, since the wire is inside the casing structure, the wire does not fall, which is convenient for cleaning. The filter device comprises an integrally formed frame 1 comprising a first filter frame 11 and a second filter frame 12, the edges of the first filter frame 11 and the second filter frame 12 being detachably connected. In an embodiment, the frame 1 includes a first filter frame 11, a flexible connecting portion 13 and a second filter frame 12, which are sequentially connected. The flexible connecting portion 13 is provided with a first air outlet 131, and the filter 2 is respectively filtered with the first filter. The frame 11, the second filter frame 12 and the flexible connecting portion 13 cooperate to form a lint filter bin 3. In an embodiment, the first filter frame 11, the second filter frame 12 and the flexible connecting portion 13 are integrally formed, and the frame 1 is bent along the middle portion and the edge is fixed to form a box structure, and the upper end of the box structure forms an air inlet, so that The wire filter device has a simple structure, is easy to process, is convenient to install, saves installation time, and improves work efficiency. The first filter frame 11, the second filter frame 12 and the flexible connecting portion 13 are all made of a flexible material, and at the same time In the related art, the bottom is connected by a connecting member, and the bottom of the chip filtering device 100 can also be provided with a filter net 2 to increase the air outlet area of the wire filtering device 100, thereby increasing the flow ventilation of the wire filtering device 100 and improving the drying efficiency. . In addition, a mounting gap at the bottom is avoided, thereby preventing the wire from leaking out of the chip filtering device 100.

Wherein, the junction of the first filter frame 11 and the second filter frame 12 is provided with a fold 14 which may include two folds 14 symmetrically disposed with respect to the center of the frame 1. When assembled, the first filter frame 11 and the second filter frame 12 are respectively bent along the corresponding folds 14 such that the edges of the first filter frame 11 and the second filter frame 12 are joined to form a box structure, and the cavity inside the box structure , that is, the wire dust filter chamber is arranged to filter and collect the wire dust in the hot and humid air, and when the wire dust filter device 100 is cleaned, since the wire dust is inside the box structure, the wire dust does not fall, and the cleaning is convenient. .

The flexible connecting portion 13 can also be detachably disposed with the first filter frame 11 and the second filter frame 12. The chip filter device of the dryer connects the first filter frame 11 and the second filter frame 12 through the flexible connecting portion 13, and the filter device can be formed into a box-like structure by bending the flexible connecting portion 13, which is simple in structure The first air outlet 131 is disposed on the flexible connecting portion 13 to increase the air outlet area, and the first filter frame 11, the flexible connecting portion 13 and the second filter frame 12 form a chip filter chamber 3 for drying the air. Effective filtration effectively prevents the lint from entering the air duct through the wire filter device, preventing the wire from entering the motor and affecting the operation of the motor.

In an embodiment, in order to facilitate the removal of the lint in the cleaning chip filter device 100, the edges of the first filter frame 11 and the second filter frame 12 may be fixed by a detachable connection, for example, by a snap structure. When the wire filter device 100 is cleaned, the first filter frame 11 and the second filter frame 12 are disassembled, and the frame 1 can be flattened, so that the user can clean the internal wire in time and ensure the filtering effect.

In an embodiment, as shown in FIG. 3 and FIG. 5, the first filter frame 11 is provided with a latching portion 111, and the second filter frame 12 is provided with a limiting portion 123 that is engaged with the latching portion 111. The latching portion 111 is disposed opposite to the limiting portion 123, and the latching portion 111 and the limiting portion 123 are engaged to realize the connection between the first filter frame 11 and the second filter frame 12, thereby preventing the line of the dryer from being pulled out. When the chip filter device is used, the lint falls. In an embodiment, the latching portion 111 is a tab disposed at the top of the first filter frame 11, and the limiting portion 123 is a card slot disposed at the top of the second filter frame 12, and the tab is engaged with the card slot. Thereby, the connection of the first filter frame 11 and the second filter frame 12 is achieved. In an embodiment, the chip filter device may also be disposed such that the edge of the first filter frame 11 is provided with a limiting portion 123, and the edge of the second filter frame 12 is provided with a latching portion 111 to implement the first filter frame 11 and A detachable connection of the second filter frame 12.

In order to prevent the lint from leaking from the edges of the first filter frame 11 and the second filter frame 12, a seal may be disposed between the edges of the first filter frame 11 and the second filter frame 12, for example, it may be a seal ring, and the reinforcement may be The sealing of the edge of the filter frame 11 and the second filter frame 12 is connected to the gap.

In addition, the edge of the first filter frame 11 or the second filter frame 12 may further be provided with a shielding edge. When the first filter frame 11 is engaged with the second filter frame 12, the shielding edge covers the first filtering frame 11 and the second filtering. The connection position of the frame 12 is further blocked to avoid leakage of the chips.

As shown in FIG. 3, the flexible connecting portion 13 is a rib connecting the bottom of the first filter frame 11 and the bottom of the second filter frame 12, as shown in FIG. 5, the rib position and the first filter frame 11 and the second filter frame 12 The first air outlet 131 is enclosed, and the filter 2 is disposed at the first air outlet 131. The area of the first air outlet 131 can be increased by connecting the first filter frame 11 and the second filter frame 12 by the rib position. A support rib 132 is disposed in the middle of the flexible connecting portion 13. The first end of the supporting rib 132 is connected to the first filter frame 11, and the second end of the supporting rib 132 is connected to the second filter frame 12. The setting of the support ribs 132 serves as a certain supporting function to prevent the filter net 2 from being deformed or broken when the drying wind pressure is large.

The air inlet on the chip filter device 100 may include a first air inlet 121 and a second air inlet 122, and the first air inlet 121 is disposed at a top of at least one of the first filter frame 11 and the second filter frame 12; A second air inlet 122 is disposed at an upper portion of the side of the filter frame 11 or the second filter frame 12 to allow the drying air to enter from the first air inlet 121 and the second air inlet 122 at the same time, thereby increasing the air intake amount per unit time and improving the filtration efficiency. , reducing energy consumption and improving drying efficiency. Here, the above top and upper portions refer to the top and upper portions of FIG.

The first air inlet 121 and the second air inlet 122 are both in communication with the drum air outlet 103, so that the hot and humid air can be simultaneously entered from the top and the side of the chip filtering device 100, thereby increasing the air inlet area of the wire filtering device 100, thereby The air volume per unit time is increased, the filtering effect is improved, the energy consumption is reduced, and the drying efficiency is improved.

In this embodiment, as shown in FIG. 3 and FIG. 4, the first air inlet 121 is disposed at the top of the second filter frame 12, and the second air inlet 122 is disposed at the upper portion of the side of the second filter frame 12, as shown in FIG. The lower portion of the side of the second filter frame 12 is provided with a filter net 2, and the filter net 2 is provided on the entire side of the first filter frame 11. The first filter frame 11 and the second filter frame 12 are provided with a second air outlet at a position where the filter 2 is disposed. Wherein, the top, the upper portion and the lower portion refer to the top, the upper portion and the lower portion of FIG. 2, FIG. 3 or FIG.

In order to increase the strength of the frame 1, a plurality of connecting ribs may be disposed between the frames 1, and a filter 2 is installed between the connecting ribs and the frame 1. In an embodiment, as shown in FIG. 5, a middle portion of the second filter frame 12 is laterally disposed with a first rib 124, and a first air inlet 122 is formed between the first rib 124 and the upper frame of the second filter frame 12. A mounting frame disposed to mount the filter 2 is formed between the first rib 124 and the lower frame of the second filter frame 12. In an embodiment, a second rib position 125 is disposed between the first rib position 124 and the upper frame of the second filter frame 12, that is, at a position intermediate the second air inlet 122, and the second rib position 125 is the second air inlet. The 122 is divided into two air inlets, the first rib 124 extends in a first predetermined direction, and the second rib 125 extends in a second predetermined direction, the first predetermined direction being perpendicular to the second predetermined direction. As shown in Fig. 5, the first rib position 124 is laterally disposed, and the second rib position 125 is vertically disposed. In the present embodiment, the first rib position and the second rib position are alternately arranged, which is advantageous for improving the strength of the frame 1 and preventing the swarf filter device 100 from being deformed during use. In this embodiment, a second rib is disposed in the longitudinal direction of the frame 1 in the frame 1, and the four first ribs are connected to the second rib and symmetrically disposed with respect to the bending center of the frame 1, so that the frame 1 is formed after being bent. The box body structure is provided with a filter net 2 at the bottom of the box structure to increase the air outlet area of the wire filter device 100.

Since the wind at the inlet of the wire filter device of the dryer is generally high in wind speed and has a certain temperature, and the first filter frame 11 and the second filter frame 12 are generally made of plastic, the second air inlet 122 is provided. Excessive assembly tends to cause deformation of the second filter frame 12, and the second rib position 125 increases the overall strength of the second filter frame 12, prevents deformation of the second filter frame 12, and prolongs the service life of the wire filter device of the dryer. . In an embodiment, the first filter frame 11 may also be provided with first and second ribs that intersect each other to increase the strength of the first filter frame 11. As shown in FIG. 5, a middle portion of the first rib 124 on the second filter frame 12 is provided with a support slot 126, and a middle portion of the first rib on the first filter frame 12 is provided with a support post 112 when the first filter When the frame 11 and the second filter frame 12 are connected, the support post 112 extends into the support slot 126 to support the first filter frame 11 and the second filter frame 12 to prevent deformation.

In this embodiment, after the first filter frame 11 is connected to the second filter frame 12, the first air inlet 121 is a grid structure 15 formed by a series of small mesh openings provided on the upper end surface of the second filter frame 12. The grid structure 15 can serve as an end cap for the chip filter device 100. Furthermore, the grid structure 15 can ensure the overall structural strength of the second filter frame 12.

In order to ensure the air inlet area of the chip filter device 100 and the collection space of the wire dust, the area of the second air inlet 122 is not excessive, and preferably 1/3-2/3 of the area of the second filter frame 12, which can ensure The amount of air introduced by the chip filter device 100 can also ensure the volume of the wire collected in the wire filter device 100.

In this embodiment, the grid structure 15 of the first filter frame 11 is provided with a lap portion, and the top of the second filter frame 12 is provided with a support portion. When the frame 1 is bent and the edges are fastened, the grid structure 15 is The lap overlaps the support on the top of the second filter frame 12. The top of the grille structure 15 and the second filter frame 12 can also be detachably connected by a snap structure to facilitate cleaning of the chip filter device 100. In an embodiment, the grille structure 15 may be provided with a tab, and the top of the second filter frame 12 may be provided with a card slot, and the tab cooperates with the card slot to realize the detachability of the grille structure 15 and the second filter frame 12. connection.

The present embodiment also protects a clothes dryer. As shown in FIGS. 8 to 10, a casing 101 is disposed outside the dryer, and the casing 101 of the dryer includes the wire filtering device of the dryer described above.

The clothes dryer comprises a drum 200, a duct, a fan, a heating device and a condenser. As shown in FIG. 8 to FIG. 14, the drum 200 is provided with an air inlet and a drum air outlet 103, and the air passage is sequentially connected to the drum air outlet 103. The condenser, the fan, the heating device, and the air inlet of the drum 200 form a circulation duct in the dryer.

The air duct includes a front air duct 102 that communicates with the air outlet of the drum 200. The moist hot air after drying the laundry enters the front air duct 102 through the air outlet, thereby sequentially passing through condensation and heating to enter the drum 200.

In order to prevent the swarf from entering the front air duct 102, the swarf filtering device 100 is disposed in the front air duct 102, and the air inlet of the swarf filtering device 100 is connected with the drum air outlet 103, and the swarf filtering device 100 can be fixed by the connecting member. Inside the front air duct 102.

The wire filter device of the clothes dryer is disposed at a communication between the drum air outlet 103 and the front air duct 102, and the first air inlet 121 and the second air inlet 122 of the wire filter device of the clothes dryer are both connected to the drum air outlet 103. In connection with each other, the first air outlet 131 and the second air outlet of the chip device are in communication with the front air duct 102. The wire filter device of the dryer has the advantages of simple structure, convenient installation, increased air outlet area, and prevention of the occurrence of wire dust leaking into the air passage through the lap seam of the wire filter device.

Claims

A wire filtering device comprising an integrally formed frame (1) and a filter mesh (2), the filter mesh (2) being disposed in the frame (1), the frame (1) being folded along the middle and having an edge After being fixed, a box structure is formed, and one end of the box structure forms an air inlet.
The chip filtering device according to claim 1, wherein the frame (1) comprises a first filter frame (11) and a second filter frame (12) connected to each other, the first filter frame (11) The edge and the edge of the second filter frame (12) are detachably connected.
The chip filtering device according to claim 2, wherein said frame (1) further comprises a flexible connecting portion (13) and a chip filtering chamber (3), said first filtering frame (11), said second The filter frame (12) and the flexible connecting portion (13) are sequentially connected, and the flexible connecting portion (13) is provided with a first air outlet (131), wherein the filter mesh (2) and the first A filter frame (11), the second filter frame (12) and the flexible connecting portion (13) cooperate to form the chip filter housing (3).
The chip filtering device according to claim 3, wherein the flexible connecting portion (13) is a rib that connects the bottom of the first filter frame (11) and the bottom of the second filter frame (12). The rib position and the first filter frame (11) and the second filter frame (12) enclose the first air outlet (131), and the first air outlet (131) is provided with the filtering Net (2).
A chip filtering device according to claim 4, wherein said frame (1) further comprises a support rib (132), said support rib (132) being disposed in the middle of said flexible joint (13) The first end of the support rib (132) is coupled to the first filter frame (11), and the second end of the support rib (132) is coupled to the second filter frame (12).
The chip filtering device according to claim 2 or 3, wherein an edge of any one of the first filter frame (11) and the second filter frame (12) is provided with a card portion (111), The other edge is provided with a limiting portion (123) that cooperates with the latching portion (111).
The chip filtering device according to claim 4, wherein the latching portion (111) is disposed on the first filter frame (11), and the limiting portion (123) is disposed on the second filter The frame (12) is engaged with the card portion (111).
A chip filtering device according to claim 6, further comprising a seal disposed between an edge of said first filter frame (11) and an edge of said second filter frame (12).
A chip filtering device according to any one of claims 3-5, wherein the first filter frame (11), the second filter frame (12) and the flexible connecting portion (13) are integrally formed.
The chip filtering device according to any one of claims 1 to 9, wherein the air inlet port comprises a first air inlet (121) and a second air inlet (122), and the first air inlet (121) is set At the top of the box structure, the second air inlet (122) is disposed at an upper side of the side of the box structure.
The chip filtering device according to claim 10, wherein the first air inlet (121) is disposed at least one of a position of the first filter frame (11) and a second filter frame ( At the top of 12), the second air inlet (122) is disposed at an upper portion of the first filter frame (11) or an upper portion of the second filter frame (12).
The chip filtering device according to claim 11, wherein the first air inlet (121) is disposed at a top of the second filter frame (12), and the second air inlet (122) is disposed at the An upper portion of the side of the second filter frame (12), a lower portion of the side of the second filter frame (12) is provided with the filter net (2), and the entire side of the first filter frame (11) is provided with the The filter (2), the first filter frame (11) and the second filter frame (12) are provided with a second air outlet at a position where the filter (2) is disposed.
The chip filtering device according to claim 12, wherein a plurality of connecting ribs (3) are disposed between the frames (1), and a mounting portion between the connecting ribs (3) and the frame (1) Said filter (2).
The chip filtering device according to claim 13, wherein the connecting rib (3) comprises a first rib position (124) and a second rib position (125), and the number of the first rib positions (124) is one, The first rib position (124) is disposed at a middle portion of the second filter frame (12), and a length direction of the first rib position (124) extends along a first predetermined direction, the first rib position (124) a second air inlet (122) is formed between the upper frame of the second filter frame (12), and the second rib position (125) is disposed between the second air inlet (122), the first The second rib position (125) extends in a second predetermined direction, and the first preset direction is perpendicular to the second preset direction.
The chip filtering device according to claim 10, wherein a top of the first filter frame (11) is provided with a grid structure (15), the first filter frame (11) and the second filter frame (12) After the connection, the grill structure (15) is coupled to the top of the second filter frame (12) and forms the first air inlet (121).
The chip filtering device according to claim 15, wherein the grill structure (15) and the top of the second filter frame (12) are detachably connected by a snap structure.
A chip filtering device according to any one of claims 1 to 16, wherein a middle portion of the frame (1) is provided with a fold (14), and the frame (1) is folded along the fold (14) .
The chip filtering device according to claim 6, wherein the latching portion (111) is a card slot, and the limiting portion (123) is a buckle.
A clothes dryer comprising the wire filtering device of any one of claims 1-18.
A clothes dryer according to claim 19, further comprising a drum (200) and a front air duct (102), said drum (200) being provided with a drum air outlet (103); said thread filtering device being provided in said The front air duct (102) is connected to the drum air outlet (103).
A clothes dryer according to claim 20, wherein said swarf filtering means is located at a communication between said drum air outlet (103) of said dryer and said front air duct (102), said swarf filtering The first air inlet (121) and the second air inlet (122) of the device are both connected to the drum air outlet (103), and the first air outlet (131) and the second air outlet of the chip filter device are both It is in communication with the front air duct (102).