Drying fan speed increasing assembly, drying fan system and washing and drying all-in-one machine

Abstract

The utility model provides a drying fan speed increasing assembly, a drying fan system and a washing and drying all-in-one machine, the drying fan speed increasing assembly is applied to the washing and drying all-in-one machine, the washing and drying all-in-one machine comprises a drying fan, and the drying speed increasing assembly comprises a driving motor with an output shaft; and the speed increasing mechanism is connected with the output shaft and is configured to increase the rotating speed of the output shaft and then transmit the rotating speed to a rotating shaft of a drying fan so as to drive the drying fan to rotate. According to the drying fan speed increasing assembly, the rotating speed of the drying fan of the washing and drying all-in-one machine using the low-speed motor as the driving motor can be increased, the cost of the washing and drying all-in-one machine is reduced, the drying air volume is increased, the drying time is saved, and the user experience is improved.

Description

Technical Field

[0001] The present application relates to the technical field of clothing processing, and in particular to a drying fan speed increasing component, a drying fan system and a washer-dryer. Background Art

[0002] The drying methods of existing washer-dryers are divided into two types: direct exhaust and condensing. Regardless of the direct exhaust or condensing drying method, if you want to shorten the drying time, you need to increase the circulating air volume of the drying fan, that is, the speed of the drying fan. In order to reduce the cost of the washer-dryer, the drying fans of most current washer-dryers are driven by low-speed drive motors. Compared with the drying fans driven by high-speed motors, the air drying time is almost doubled, resulting in a poor user experience. Utility Model Content

[0003] The embodiments of the present application provide a drying fan speed increasing component, a drying fan system and a washer-dryer, which can improve the technical problems of long drying time and poor user experience in a washer-dryer that uses a low-speed drive motor to drive the drying fan.

[0004] In a first aspect, an embodiment of the present application provides a drying fan speed-increasing component, which is applied to a washing and drying machine, the washing and drying machine includes a drying fan, and the drying fan speed-increasing component includes:

[0005] A drive motor having an output shaft;

[0006] The speed increasing mechanism is connected to the output shaft and is configured to increase the speed of the output shaft and transmit the speed to the rotating shaft of the drying fan to drive the drying fan to rotate.

[0007] In some embodiments, the drive motor comprises a shaded pole motor or an AC motor.

[0008] In some embodiments, the speed increasing mechanism includes a first transmission wheel and a second transmission wheel, wherein:

[0009] The first transmission wheel is fixedly connected to the output shaft, and the second transmission wheel is fixedly connected to the rotating shaft of the drying fan;

[0010] The first transmission wheel is transmission-connected to the second transmission wheel, and a diameter of the first transmission wheel is greater than a diameter of the second transmission wheel.

[0011] In some embodiments, the ratio of the diameter of the first transmission wheel to the diameter of the second transmission wheel is 2-3.

[0012] In some embodiments, the speed increasing mechanism is a belt transmission mechanism, and the first transmission wheel and the second transmission wheel are both connected by a belt transmission.

[0013] In some embodiments, the speed increasing mechanism is a gear transmission mechanism, the first transmission wheel and the second transmission wheel are both transmission gears, and the first transmission wheel and the second transmission wheel are meshed through gears.

[0014] In a second aspect, an embodiment of the present application provides a drying fan system, comprising a drying fan speed increasing component and a drying fan as described in any of the above items.

[0015] In some embodiments, a mounting box is further included, the driving motor and the speed increasing mechanism are arranged on the mounting box, and the mounting box is integrally arranged with the housing of the drying fan.

[0016] In some embodiments, the drying fan includes a fan impeller flange assembly, a heating pipe, a drying tunnel and an air outlet, wherein:

[0017] The outlet of the fan impeller flange assembly is fixedly connected to one end of the drying tunnel, the other end of the drying tunnel is connected to the air outlet, the air outlet is connected to the inside of the drum of the washer-dryer, and the heating pipe is arranged on the drying tunnel.

[0018] In a third aspect, an embodiment of the present application provides a washer-dryer, comprising a drying fan speed increasing component as described in any of the above items or a drying fan system as described in any of the above items.

[0019] Beneficial effects of the embodiments of the present application:

[0020] In the embodiments of the present application, the present application can increase the rotation speed of the drying fan of a washer-dryer that uses a low-speed motor as a driving motor, increase the drying air volume, save drying time, and improve user experience by setting a drying fan speed-increasing component. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a structural schematic diagram of a drying fan speed-increasing component and a drying fan speed-increasing system provided in one embodiment of the present application;

[0023] Figure 2is a structural schematic diagram of a drying fan speed-increasing component and a drying fan speed-increasing system provided by another embodiment of the present application;

[0024] Figure 3 It is a schematic diagram of the structure of a washer-dryer provided in an embodiment of the present application.

[0025] In the figure:

[0026] 1-driving motor, 2-speed increasing mechanism, 21-first transmission wheel, 22-second transmission wheel, 23-belt, 3-drying fan, 31-fan impeller flange assembly, 32-heating tube, 33-drying tunnel, 34-air outlet, 4-installation box. DETAILED DESCRIPTION

[0027] 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 those skilled in the art without creative work are within the scope of protection of this application.

[0028] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply 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 a limitation on the present application. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0029] In this application, the word "exemplary" is used to mean "used as an example, illustration, or description." Any embodiment described in this application as "exemplary" is not necessarily to be construed as being preferred or advantageous over other embodiments. The following description is given to enable any technician in the field to implement and use the present application. In the following description, details are listed for the purpose of explanation. It should be understood that a person of ordinary skill in the art can recognize that the present application can be implemented without using these specific details. In other instances, well-known structures and processes will not be elaborated in detail to avoid obscuring the description of the present application with unnecessary details. Therefore, the present application is not intended to be limited to the embodiments shown, but is consistent with the widest scope consistent with the principles and features disclosed in the present application.

[0030] At present, the drying methods of integrated washing and drying machines are divided into two types: direct exhaust and condensing. The working principle of the direct exhaust is that the air is heated by the heater, heats the clothes, becomes hot and humid air and is discharged outdoors, forming a cycle, and continuously removes the moisture from the clothes to achieve the purpose of drying clothes; the working principle of the condensing type is that the air is heated by the heater, enters the drum to heat the clothes, and becomes hot and humid air in the drum, and then passes through the condensation system to condense the moisture into water and collect it in the water storage box, forming a cycle, and continuously removes the moisture from the clothes to achieve the purpose of drying clothes. Regardless of the direct exhaust or condensing drying method, in order to shorten the drying time, it is necessary to increase the circulating air volume of the drying fan. Currently, there are two main driving modes for the drying fan of a washer-dryer. One is to use a high-speed motor with a speed of up to about 4000rpm. This method has the best drying effect and short drying time, but it requires the setting of a corresponding variable frequency drive circuit, which is relatively expensive and is usually only used on high-end products. The other is to use a low-cost low-speed drive motor to drive, which reduces the cost of setting up a variable frequency drive circuit, but the maximum speed of the low-speed drive motor is only about 2000rpm. Compared with the drying fan with a high-speed motor, the drying time is almost doubled, resulting in a poor user experience.

[0031] The embodiment of the present application provides a drying fan speed increasing component, please refer to Figure 1-Figure 3 ,

[0032] Figure 1 It is a structural schematic diagram of a drying fan speed-increasing component and a drying fan speed-increasing system provided in one embodiment of the present application; Figure 2 It is a structural schematic diagram of a drying fan speed-increasing component and a drying fan speed-increasing system provided in another embodiment of the present application; Figure 3 1 is a schematic diagram of the structure of a washer-dryer provided in an embodiment of the present application. The drying fan speed increasing assembly is applied to the washer-dryer, and the washer-dryer includes a drying fan 3 .

[0033] The drying speed increasing component comprises a driving motor 1 and a speed increasing mechanism 2.

[0034] In this embodiment, the drive motor 1 has an output shaft.

[0035] It can be understood that the function of the drive motor is to provide input power to the speed increasing mechanism.

[0036] The speed increasing mechanism 2 is fixedly connected to the output shaft, and is configured to transmit the speed of the output shaft of the driving motor 1 to the rotating shaft of the drying fan 3 after speed regulation, so as to drive the drying fan 3 to rotate at a higher speed, thereby increasing the air intake of the drying fan 3, speeding up the drying process of the clothes, and shortening the drying time.

[0037] In this embodiment, the rotation speed of the low-speed drive motor is usually below 2000 rpm.

[0038] In a specific embodiment, the low speed drive motor may include a shaded pole motor or an AC motor.

[0039] It can be understood that the use of low-speed motors such as shaded-pole motors or AC motors does not require the additional setting of variable-frequency drive circuits, which can reduce the cost of washer-dryers that use them as the driving motors of the drying fans.

[0040] In this embodiment, if Figure 1 As shown, the speed increasing mechanism 2 includes a first transmission wheel 21 and a second transmission wheel 22 .

[0041] The first transmission wheel 21 is fixedly connected to the output shaft of the driving motor 1 to rotate under the drive of the driving motor 1. The second transmission wheel 22 is fixedly connected to the rotating shaft of the drying fan 3 to drive the impeller of the drying fan 3 to rotate.

[0042] The first transmission wheel 21 is transmission-connected to the second transmission wheel 22 , and the diameter of the first transmission wheel 21 is greater than the diameter of the second transmission wheel 22 .

[0043] In one embodiment, the ratio of the diameter of the first transmission wheel to the diameter of the second transmission wheel is 2-3, for example, 2, 2.5, 3, etc.

[0044] It can be understood that when the diameter of the first transmission wheel is D1 and the rotation speed is n1, and the diameter of the second transmission wheel is D2 and the rotation speed is n2, the rotation speed ratio is n2 / n1=D1 / D2, so the rotation speed of the second transmission wheel n2=(D1 / D2)*n1. For example, when the rotation speed of the first transmission wheel n1=1300rpm, the diameter ratio of the first transmission wheel to the second transmission wheel D1 / D2=3 is selected, then the rotation speed of the second transmission wheel n2=3*1300=3900rpm, that is, the rotation speed of the drying fan is 3900rpm, which can achieve the same effect as using a high-speed drive motor.

[0045] In one embodiment, if Figure 1 As shown, the speed increasing mechanism 2 is a belt transmission mechanism, and the speed increasing mechanism 2 also includes a belt 23 . The first transmission wheel 21 and the second transmission wheel 22 are both belt pulleys, and the first transmission wheel 21 and the second transmission wheel 22 are connected through the belt 23 .

[0046] In this example, see Figure 1 The first transmission wheel 21 and the second transmission wheel 22 are arranged on the same plane, and the first transmission wheel 21 and the driving motor 1 are arranged side by side.

[0047] It can be understood that by arranging the first transmission wheel 21 and the second transmission wheel 22 on the same plane and arranging the first transmission wheel 21 and the drive motor 1 side by side, that is, arranging the drive motor and the drying fan on the same side of the speed increasing component, the height from the center of the drying fan 3 to the top cover plate of the washer-dryer can be reduced, freeing up space for a safe distance to prevent the risk of collision with the drum, and the overall height of the washer-dryer can also be controlled, and the height can be the same as or smaller than that of existing products.

[0048] In this embodiment, the speed increasing mechanism is a gear transmission mechanism, the first transmission wheel and the second transmission wheel are both transmission gears, and the first transmission wheel and the second transmission wheel are driven by gear meshing.

[0049] It can be understood that the first transmission wheel and the second transmission wheel can be directly meshed and transmitted, or can be indirectly meshed and transmitted by providing other transmission wheels.

[0050] In a specific embodiment, if Figure 2 As shown, the gear transmission mechanism is coaxially arranged with the drying fan, and the driving motor is arranged beside the gear transmission mechanism.

[0051] Furthermore, the gear transmission mechanism may include more than two gears. By providing more than two gears, the overall size of the gear transmission mechanism can be reduced. For example, when the diameter ratio of the first gear to the second gear is 3 to meet the speed increase requirement, a third gear can be provided between the first gear and the second gear, so that the diameter ratio of the first gear to the third gear is 2, and the diameter ratio of the third gear to the second gear is 1.5, thereby achieving the same effect. In addition, more than two gears can also be provided with a housing to package the gears to avoid danger caused by the gears being exposed.

[0052] It is understandable that common speed increasing mechanisms mainly include belt transmission mechanisms or gear transmission mechanisms, which are simple in structure and easy to set up. However, the present application is not limited thereto, as long as the speed of the output shaft of the driving motor can be increased and transmitted to the rotating shaft of the drying fan.

[0053] Based on the same inventive concept, the present application also provides a drying fan system, including the drying fan speed increasing component and the drying fan as described above.

[0054] In one embodiment, if Figure 1 As shown, the drying fan system further includes a mounting box 4 , the driving motor 1 and the first transmission wheel 21 of the speed increasing mechanism 2 are both arranged on the mounting box 4 , and the mounting box 4 is integrally arranged with the outer shell of the drying fan 3 .

[0055] In this example, see Figure 1 or Figure 2 The drying fan 3 includes a fan impeller flange assembly 31 , a heating pipe 32 , a drying channel 33 and an air outlet 34 .

[0056] Among them, the outlet of the fan impeller flange assembly 31 is fixedly connected to one end of the drying channel 33, the other end of the drying channel 33 is connected to the air outlet 34, the air outlet 34 is connected to the inside of the drum of the washer-dryer, and the heating pipe 32 is arranged on the drying channel 33 to heat the air entering the drying channel 33.

[0057] It is understood that the heating pipe can be arranged on the outer wall of the drying tunnel to indirectly heat the airflow therein by heating the outer wall of the drying tunnel. The heating pipe can also be arranged in the drying tunnel to directly heat the gas in the drying tunnel. The impeller flange assembly 31, the heating pipe 32, the drying tunnel 33 and the air outlet 34 are all common structures in the art and can be replaced as needed.

[0058] Based on the same inventive concept, the present application embodiment provides a washer-dryer, please refer to Figure 3 The washer-dryer includes the drying fan speed increasing component as described above or the drying fan system as described above.

[0059] It can be understood that the position of the drying fan speed increasing component or the drying fan setting can be adaptively adjusted according to the position of the drying fan 3 of the washer-dryer.

[0060] The embodiments of the present application are introduced in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method and core idea of ​​the present application. At the same time, for technical personnel in this field, according to the idea of ​​the present application, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A drying fan speed increasing assembly, characterized in that: The drying fan speed-increasing component is applied to a washing and drying machine, the washing and drying machine includes a drying fan, and the drying fan speed-increasing component includes: A drive motor having an output shaft; The speed increasing mechanism is connected to the output shaft and is configured to increase the speed of the output shaft and transmit the speed to the rotating shaft of the drying fan to drive the drying fan to rotate.

2. The drying fan speed increasing assembly according to claim 1, characterized in that: The driving motor includes a shaded-pole motor or an AC motor.

3. The drying fan speed increasing assembly according to claim 1 or 2, characterized in that: The speed increasing mechanism comprises a first transmission wheel and a second transmission wheel, wherein: The first transmission wheel is fixedly connected to the output shaft, and the second transmission wheel is fixedly connected to the rotating shaft of the drying fan; The first transmission wheel is transmission-connected to the second transmission wheel, and a diameter of the first transmission wheel is greater than a diameter of the second transmission wheel.

4. The drying fan speed increasing assembly according to claim 3, characterized in that: The ratio of the diameter of the first transmission wheel to the diameter of the second transmission wheel is 2-3.

5. The drying fan speed increasing assembly according to claim 3, characterized in that: The speed increasing mechanism is a belt transmission mechanism, the first transmission wheel and the second transmission wheel are both belt wheels, and the first transmission wheel and the second transmission wheel are connected by belt transmission.

6. The drying fan speed increasing assembly according to claim 3, characterized in that: The speed increasing mechanism is a gear transmission mechanism, the first transmission wheel and the second transmission wheel are both transmission gears, and the first transmission wheel and the second transmission wheel are meshed through gears.

7. A drying fan system, characterized in that: It comprises a drying fan speed increasing assembly and a drying fan as described in any one of claims 1 to 6.

8. The drying fan system according to claim 7, characterized in that: Also includes mounting box, The driving motor and the speed increasing mechanism are arranged on the installation box, and the installation box is integrally arranged with the housing of the drying fan.

9. The drying fan system according to claim 7 or 8, characterized in that: The drying fan comprises a fan impeller flange assembly, a heating pipe, a drying tunnel and an air outlet, wherein: The outlet of the fan impeller flange assembly is fixedly connected to one end of the drying tunnel, the other end of the drying tunnel is connected to the air outlet, the air outlet is connected to the inside of the drum of the washer-dryer, and the heating pipe is arranged on the drying tunnel.

10. A washer-dryer, characterized in that: It comprises a drying fan speed increasing component as described in any one of claims 1 to 6 or a drying fan system as described in any one of claims 7 to 9.

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