Fluff collecting device and clothes dryer

Abstract

The present application proposes a lint collection device and a dryer, comprising: an air duct structure, the air duct structure being arranged in the dryer; a first filter structure, the first filter structure being arranged in the air duct structure; a collection box, the collection box being arranged in the air duct structure and being located downstream of the first filter structure; a cleaning structure, the cleaning structure being connected to the first filter structure and being used to clean the lint on the first filter structure into the collection box; a sensor, the sensor being arranged in the air duct structure, being located downstream of the first filter structure and upstream of the collection box and being used to collect wind speed and / or wind pressure in the air duct structure; and a controller, the controller being connected to the sensor and the cleaning structure signal, and being configured to receive the wind speed and / or wind pressure of the sensor and send a cleaning signal to the cleaning structure.

Description

Technical Field

[0001] The present application relates to the technical field of washing equipment, and in particular to a lint collecting device and a clothes dryer. Background Art

[0002] With the improvement of living standards, clothes dryers have gradually entered thousands of households. During the operation of the clothes dryer, the lint on the clothes will inevitably flow with the dry air, so a lint collection device is provided on the inner side of the front support and the front side of the inner drum to collect the lint when the dryer returns air, so as to prevent the lint from entering the heat exchange device and causing pollution and blockage of the internal heat exchange device. However, the lint will gather on the filter net of the lint collection device, blocking the air flow and reducing the drying efficiency. Utility Model Content

[0003] The main purpose of the present application is to provide a lint collection device and a clothes dryer, aiming to solve the technical problem in the prior art that lint is accumulated on the filter net, resulting in poor air flow and insufficient drying efficiency.

[0004] The present application proposes a lint collecting device, comprising:

[0005] An air duct structure, wherein the air duct structure is arranged in the clothes dryer;

[0006] A first filter structure, wherein the first filter structure is disposed in the air duct structure;

[0007] A collection box, the collection box is arranged in the air duct structure and is located downstream of the first filtering structure;

[0008] A cleaning structure, the cleaning structure is connected to the first filtering structure and is used to clean the fluff on the first filtering structure into the collection box;

[0009] a sensor, the sensor being arranged in the air duct structure, downstream of the first filtering structure and upstream of the collecting box, and being used for collecting wind speed and / or wind pressure in the air duct structure; and

[0010] A controller is connected to the sensor and the cleaning structure signal, and is configured to receive the wind speed and / or wind pressure from the sensor and send a cleaning signal to the cleaning structure.

[0011] Optionally, the collecting box is detachably connected to the air duct structure.

[0012] Optionally, the first filter structure includes a first filter screen and a second filter screen, the first filter screen and the second filter screen are arranged in a V shape, and the distance between the filter surfaces of the first filter screen and the second filter screen gradually decreases in the airflow direction.

[0013] Optionally, the first filter is arranged close to the front side of the dryer; and the cleaning structure is arranged on the first filter.

[0014] Optionally, the cleaning structure includes a cleaning motor and a cleaning brush; the cleaning motor is transmission-connected to the cleaning brush; the cleaning motor is arranged on the frame of the first filter, and the cleaning brush is arranged on the filtering surface of the first filter.

[0015] Optionally, the cleaning brush has a first position and a second position, and the cleaning motor is configured to drive the cleaning brush to rotate between the first position and the second position; wherein the cleaning brush also has a third position between the first position and the second position, and when the cleaning brush is in the third position, the length direction of the cleaning brush is parallel to the direction of gravity.

[0016] Optionally, the cleaning motor includes a transmission shaft, and the transmission shaft is connected to the cleaning brush; a first positioning structure is provided on the transmission shaft, and a second positioning structure is provided on the cleaning brush.

[0017] Optionally, the air duct structure has a guiding slope, and the guiding slope is used to guide the fluff to the collection box; the guiding slope is located at the lower side of the first filtering structure.

[0018] Optionally, the air duct structure has an air inlet and an air outlet;

[0019] The first filtering structure comprises a ventilation hole plate, and the ventilation hole plate is arranged at the air inlet;

[0020] The lint collecting device further comprises a second filtering structure, and the second filtering structure is arranged at the air outlet.

[0021] The embodiment of the present application also provides a clothes dryer, comprising the lint collecting device as described above.

[0022] In the technical solution of the embodiment of the present application, the gas after drying clothes in the dryer flows into the air duct structure, and flows through the first filter structure and the collection box in sequence. The first filter structure filters the gas, and fluff gathers on it; sensors are arranged downstream of the first filter structure and upstream of the collection box for collecting wind speed and / or wind pressure of the air duct structure; the controller is used to receive the wind speed and / or wind pressure collected by the sensor, and send a cleaning signal to the cleaning structure on the first filter structure to clean the accumulated fluff on the first filter structure to avoid clogging of the first filter structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0024] Figure 1 A schematic diagram of the structure of a lint collecting device provided in an embodiment of the present application;

[0025] Figure 2 A schematic diagram of the structure of the lint collection device provided in an embodiment of the present application (part of the air duct structure is removed);

[0026] Figure 3 A schematic diagram of the lower half of the air duct structure of the lint collecting device provided in an embodiment of the present application;

[0027] Figure 4 A schematic diagram of the structure of a first filter screen of a lint collection device provided in an embodiment of the present application;

[0028] Figure 5 A schematic diagram of the structure of the cleaning structure provided in the embodiment of the present application;

[0029] Figure 6 A schematic diagram of the structure of a clothes dryer provided in an embodiment of the present application.

[0030] Reference numerals list

[0031] 100 Lint collection device 111 Guide bevel 200 Cabinet 121 First filter 110 Air duct structure 122 Second filter 120 The first filter structure 123 Air duct plate 130 Collection Box 151 Cleaning motor 140 sensor 152 Cleaning brush 150 Cleaning structure 1511 The first positioning structure 160 Second filter structure 1521 The second positioning structure DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0033] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0034] In this application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0035] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in the field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0036] The lint collecting device 100 is a device in the clothes dryer for collecting lint separated from clothes. Figure 1 to Figure 2 As shown, the embodiment of the present application provides a lint collecting device 100, comprising:

[0037] An air duct structure 110, wherein the air duct structure 110 is disposed in the clothes dryer;

[0038] A first filter structure 120, wherein the first filter structure 120 is disposed in the air duct structure 110;

[0039] A collecting box 130 , wherein the collecting box 130 is disposed in the air duct structure 110 and is located downstream of the first filtering structure 120 ;

[0040] A cleaning structure 150, which is connected to the first filter structure 120 and is used to clean the fluff on the first filter structure 120 into the collection box 130;

[0041] A sensor 140, wherein the sensor 140 is disposed in the air duct structure 110, downstream of the first filter structure 120 and upstream of the collection box 130, and is used to collect wind speed and / or wind pressure in the air duct structure 110; and

[0042] A controller is connected to the sensor 140 and the cleaning structure 150 by signals, and is configured to receive the wind speed and / or wind pressure from the sensor 140 and send a cleaning signal to the cleaning structure 150 .

[0043] In the technical solution of the embodiment of the present application, the gas after drying by the dryer flows into the air duct structure 110, and flows through the first filter structure 120 and the collection box 130 in sequence. The first filter structure 120 filters the gas and gathers fluff thereon; a sensor 140 is arranged downstream of the first filter structure 120 and upstream of the collection box 130, for collecting the wind speed and / or wind pressure of the air duct structure 110; the controller is used to receive the wind speed and / or wind pressure collected by the sensor 140, and can send a cleaning signal to the cleaning structure 150 on the first filter structure 120, so as to clean the gathered fluff on the first filter structure 120 and avoid clogging of the first filter structure 120.

[0044] In some embodiments, a comparator is provided in the controller, and the comparator is used to compare the wind speed with the first set wind speed and / or compare the wind pressure with the first set wind pressure. When the wind speed is lower than the first set wind speed or the wind pressure is lower than the first set wind pressure, a cleaning signal is generated to clean the fluff on the first filtering structure 120, thereby reducing damage to the cleaning structure 150 caused by long-term cleaning of the first filtering structure 120.

[0045] In some embodiments, the comparator is used to compare the wind speed with the second set wind speed and / or the wind pressure with the second set wind pressure, and when the wind speed is lower than the second set wind speed or the wind pressure is lower than the second set wind pressure, a reminder signal is generated to prompt the user to clean the collection box 130 and the inside of the air duct structure 110. The first set wind speed is greater than the second set wind speed, and the first set wind pressure is greater than the second set wind pressure.

[0046] In the embodiment, the first set wind speed, the second set wind speed, the first set wind pressure, and the second set wind pressure are specifically set according to actual conditions. For example, the first set wind speed and the first set wind pressure are set values ​​when a layer of fluff is gathered on the surface of the first filter structure 120 (set according to experimental data during the research and development stage); the second set wind speed and the second set wind pressure are set values ​​when the air duct structure 110 is blocked inside (set according to experimental data during the research and development stage).

[0047] In an embodiment, the sensor 140 may be a pressure sensor 140 or a wind speed sensor 140. The sensor may be fixed to the air duct structure 110 by means of screws or the like.

[0048] In an embodiment, the controller is a control main board in the clothes dryer, which may be disposed in an electrical box of the clothes dryer, which is not illustrated in the figure.

[0049] It should be noted that the clothes dryer includes a housing 200, an outer drum fixed in the housing 200, an inner drum rotatably arranged in the outer drum, and a front support body (door body assembly). The lint collection device 100 is arranged on the front side of the inner drum and the inner side of the front support, or it can be understood as being arranged in the area where the inner drum and the door body assembly intersect. The gas after the clothes are dried in the inner drum flows to the heat exchange device through the air duct structure 110, and then flows into the inner drum after drying to achieve circulation. The airflow direction refers to Figures 1 to 3 As shown by the dotted line in .

[0050] In an embodiment, the controller and the cleaning structure 150 may transmit signals via wires or wireless signals; the controller and the sensor 140 may transmit signals via wires or wireless signals.

[0051] As an optional implementation of the above embodiment, the collection box 130 is detachably connected to the air duct structure 110. In the embodiment, after a lot of fluff is collected inside the collection box 130, the collection box 130 is removed from the air duct structure 110 to process the fluff inside the collection box 130 and ensure the smoothness of the air duct inside the air duct structure 110. In the embodiment, the collection box 130 is slidably connected to the air duct structure 110. A locking mechanism is provided on the outside of the air duct structure 110, and the locking mechanism locks the collection box 130 when the collection box 130 is placed in the air duct structure 110. For example, in some embodiments, a positioning hole is provided on the collection box 130; a positioning column is provided on the air duct structure 110; the positioning column is adapted to the positioning hole; the positioning column can extend out of the positioning hole, and the extended part is a threaded structure, and the collection box 130 is locked by the cooperation of a bolt and the threaded structure. For another example, a rotatable stopper is provided on the air duct structure 110, and when the stopper is in the first position, the collection box 130 is locked, and the collection box 130 is prevented from sliding out of the air duct structure 110; when the stopper is in the second position, the collection box 130 does not block the sliding path of the collection box 130, and the collection box 130 can slide out of the air duct structure 110. In some embodiments, the collection box 130 can also cooperate with the air duct structure 110 by using a push-to-unlock structure.

[0052] As an optional implementation of the above embodiment, Figure 2 As shown, the first filter structure 120 includes a first filter screen 121 and a second filter screen 122. The first filter screen 121 and the second filter screen 122 are arranged in a V shape, and the distance between the filter surfaces of the two gradually decreases in the airflow direction. Such an arrangement can intercept the fluff in the airflow. In the technical solution of the embodiment, the first filter screen 121 and the second filter screen 122 are both connected (such as snap connection, threaded connection, etc.) to the air duct structure 110, and the distance between the filter surfaces of the two gradually decreases.

[0053] As an optional implementation of the above embodiment, the first filter 121 is arranged near the front side of the dryer; the cleaning structure 150 is arranged on the first filter 121. During use, it is found that compared with the second filter 122, fluff is more likely to gather on the first filter 121 near the front side of the dryer (close to the door body), and fluff is more likely to gather, so the cleaning structure 150 is arranged on the first filter 121.

[0054] Of course, in some embodiments, a cleaning structure 150 may also be provided on the second filter screen 122 .

[0055] As an optional implementation of the above embodiment, Figure 4 As shown, the cleaning structure includes a cleaning motor 151 and a cleaning brush 152; the cleaning motor 151 is in transmission connection with the cleaning brush 152; the cleaning motor 151 is arranged on the frame of the first filter 121, and the cleaning brush 152 is arranged on the filter surface of the first filter 121. The cleaning motor 151 drives the cleaning brush 152 to rotate, so as to scrape off the fluff accumulated on the filter surface of the first filter 121, so that the circulating air flows smoothly.

[0056] As an optional implementation of the above embodiment, the cleaning brush 152 has a first position and a second position, and the cleaning motor 151 is configured to drive the cleaning brush 152 to rotate between the first position and the second position; wherein, the cleaning brush 152 also has a third position between the first position and the second position, and when the cleaning brush 152 is in the third position, the length direction of the cleaning brush 152 is parallel to the gravity direction. In an embodiment, the first position and the second position are the extreme cleaning positions of the cleaning brush 152. In some embodiments, when cleaning from the first position to the second position, the cleaning brush 152 rotates 180°, that is, the rotation path of the cleaning brush 152 is semicircular; when cleaning from the first position to the second position, the rotation angle of the cleaning brush 152 can be specifically set, which will not be elaborated here. In this embodiment, the cleaning brush 152 also has a third position between the first position and the second position. When the cleaning brush 152 is in the third position, the length direction of the cleaning brush 152 is parallel to the gravity direction. At this time, during the drying process, if there is no need to clean, the cleaning brush 152 can be placed in the third position to reduce the wind speed and wind pressure. Generally speaking, the first position and the second position are symmetrical to the third position, that is, the angle of rotation from the first position to the third position is the same as the angle of rotation from the second position to the third position.

[0057] In some embodiments, the frame of the first filter 121 has a frame located in the middle of the filter, and the cleaning structure 150 is arranged on the frame; when the cleaning brush 152 is in the third position, the length direction of the cleaning brush 152 is parallel to the direction of gravity, and when projected in the direction perpendicular to the filter, the cleaning brush 152 overlaps with the frame and does not block the air.

[0058] As an optional implementation of the above embodiment, Figure 5 As shown, the cleaning motor 151 includes a transmission shaft, and the transmission shaft is connected to the cleaning brush 152; a first positioning structure 1511 is provided on the transmission shaft, and a second positioning structure 1521 is provided on the cleaning brush 152, and the first positioning structure 1511 and the second positioning structure cooperate. In an embodiment, the first positioning structure 1511 can be a groove structure on the circumferential side of the transmission shaft, and the second positioning structure 1521 can be a convex rib structure on the cleaning brush 152. The groove structure and the convex rib structure cooperate so that the cleaning brush 152 is synchronized with the transmission shaft, thereby avoiding the situation where the cleaning brush 152 is not rotated in place when cleaning.

[0059] In the embodiment, there are multiple first positioning structures 1511, which are spaced apart along the circumference of the transmission shaft; there are multiple second positioning structures 1521, which are spaced apart along the circumference of the cleaning brush 152. The first positioning structures 1511 and the second positioning structures 1521 are matched one by one.

[0060] In some other embodiments, the cleaning brush 152 may also be connected to the transmission shaft via gears.

[0061] As an optional implementation of the above embodiment, Figure 2 and Figure 3 As shown, the air duct structure 110 has a guide slope 111, and the guide slope 111 is used to guide the fluff to the collection box 130; the guide slope 111 is located at the lower side of the first filter structure 120. In the embodiment, the fluff scraped from the first filter structure 120 by the cleaning structure 150 is guided to the collection box 130 through the guide slope 111, which can reduce the obstruction of the scraped fluff in the air duct and reduce the impact on wind speed and wind pressure. In the embodiment, the guide slope 111 is more inclined to the side of the first filter 121, which is mainly because it is found that the fluff is more attached to the first filter 121.

[0062] As an optional implementation of the above embodiment, Figure 1 and Figure 3As shown, the air duct structure 110 has an air inlet and an air outlet; the first filter structure 120 includes a vent plate 123, and the vent plate 123 is arranged at the air inlet; the lint collection device 100 also includes a second filter structure 160, and the second filter structure 160 is arranged at the air outlet. The vent plate 123 is provided with a large number of holes to guide the drying air and isolate the clothes in the inner drum from contacting the inside of the air duct structure 110, so as to prevent the clothes from contacting the lint inside the air duct structure 110 during the drying process. The second filter structure 160 is to prevent the lint collected in the collection box 130 from entering the subsequent heat exchange component.

[0063] In the embodiment, the ventilation hole plate 123 is connected to both the first filter screen 121 and the second filter screen 122 , and the airflow enters through the ventilation hole plate 123 and then passes through the first filter screen 121 and the second filter screen 122 .

[0064] The present application also provides a clothes dryer, such as Figure 6 As shown, the lint collecting device 100 is included. The specific structure of the lint collecting device 100 refers to the above embodiment. Since the lint collecting device 100 adopts all the technical solutions of all the above embodiments, it at least has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described one by one here. In the embodiment, the dryer includes a box 200, and the lint collecting device 100 is installed in the box 200, located at the entrance of the inner drum and the rear side of the door body.

[0065] The above description is only an optional embodiment of the present application, and does not limit the patent scope of the present application. All equivalent structural changes made by using the contents of the present application specification and drawings under the application concept of the present application, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present application.

Claims

1. A fluff collecting device, characterized in that: include: An air duct structure, wherein the air duct structure is arranged in the clothes dryer; A first filter structure, wherein the first filter structure is disposed in the air duct structure; A collection box, the collection box is arranged in the air duct structure and is located downstream of the first filtering structure; A cleaning structure, the cleaning structure is connected to the first filtering structure and is used to clean the fluff on the first filtering structure into the collection box; A sensor, the sensor is arranged in the air duct structure, located downstream of the first filtering structure and upstream of the collecting box, and is used to collect wind speed and / or wind pressure in the air duct structure; as well as A controller is connected to the sensor and the cleaning structure signal, and is configured to receive the wind speed and / or wind pressure from the sensor and send a cleaning signal to the cleaning structure.

2. The lint collecting device according to claim 1, characterized in that: The collecting box is detachably connected to the air duct structure.

3. The lint collecting device according to claim 1, characterized in that: The first filter structure includes a first filter screen and a second filter screen. The first filter screen and the second filter screen are arranged in a V shape, and the distance between the filter surfaces of the first filter screen and the second filter screen gradually decreases in the airflow direction.

4. The lint collecting device according to claim 3, characterized in that: The first filter is arranged close to the front side of the clothes dryer; and the cleaning structure is arranged on the first filter.

5. The lint collecting device according to claim 4, characterized in that: The cleaning structure includes a cleaning motor and a cleaning brush; the cleaning motor is transmission-connected to the cleaning brush; the cleaning motor is arranged on the frame of the first filter screen, and the cleaning brush is arranged on the filtering surface of the first filter screen.

6. The lint collecting device according to claim 5, characterized in that: The cleaning brush has a first position and a second position, and the cleaning motor is configured to drive the cleaning brush to rotate between the first position and the second position; wherein the cleaning brush also has a third position between the first position and the second position, and when the cleaning brush is in the third position, the length direction of the cleaning brush is parallel to the direction of gravity.

7. The lint collecting device according to claim 5, characterized in that: The cleaning motor comprises a transmission shaft, and the transmission shaft is connected to the cleaning brush; a first positioning structure is arranged on the transmission shaft, and a second positioning structure is arranged on the cleaning brush.

8. The lint collecting device according to claim 1, characterized in that: The air duct structure has a guiding slope, and the guiding slope is used to guide the fluff to the collection box; the guiding slope is located at the lower side of the first filtering structure.

9. The lint collecting device according to claim 1, characterized in that: The air duct structure has an air inlet and an air outlet; The first filtering structure comprises a ventilation hole plate, and the ventilation hole plate is arranged at the air inlet; The lint collecting device further comprises a second filtering structure, and the second filtering structure is arranged at the air outlet.

10. A clothes dryer, characterized in that: The invention comprises the lint collecting device according to any one of claims 1 to 9.

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