WO2021027935A1 - Noise elimination device for humidifier and humidifier - Google Patents

Abstract

Disclosed are a noise elimination device for a humidifier and a humidifier. The noise elimination device comprises a noise elimination main body and water baffles, wherein the noise elimination main body is formed by a side wall in a surrounding manner, furthermore, a first opening and a second opening are provided at the two ends respectively, the first opening is in communication with the second opening to form a mist channel, the cross section area of the mist channel gradually reduces in the direction from the first opening towards the second opening, through holes are provided in the side wall, at least one end of the water baffle is connected to the ends, in the extension direction of the mist channel, of the through holes, and ventilation holes are provided between the water baffles and the side wall. Based on the noise elimination device for the humidifier in the present application, due to the fact that the noise elimination main body and the water baffles are arranged above an atomization sheet, water droplets excited in the atomization process of the atomization sheet can slide down along the side wall of the noise elimination main body and the water baffles, avoiding the situation that the excited water droplets directly fall back onto the water surface, effectively reducing the water dripping sound generated in the humidification process of the humidifier, and improving the degree of usage satisfaction of a user.

Description

Muffler of humidifier and humidifier

Priority information

This application claims the priority of the Chinese application number 201910753784.8 filed on August 15, 2019, and the entire content is incorporated herein by reference.

Technical field

This application relates to the technical field of household electrical appliances, and in particular to a muffler device of a humidifier and a humidifier.

Background technique

At present, most of the humidifier products on the market adopt the principle of ultrasonic atomization. Ultrasonic atomizers use electronic high-frequency vibration to cause high-frequency resonance of the ceramic atomizing sheet to generate ultrasonic waves. Cavitation occurs when ultrasonic waves propagate in water. The atomizer uses the explosion of the cavity between the water and the air to pulverize the water around the cavity into 1--3μm particles, so that water mist is generated on the water surface. With the popularity of ultrasonic aromatherapy and humidification, there is a general feedback in the market: the noise of falling water affects the experience of some customers who are sensitive to sound, and the ultrasonic atomizer will inevitably wash water droplets away from the water surface during work. Different, the sound of falling water is different. Observing the products on the market, it is found that this problem is not well solved.

Summary of the invention

The purpose of this application is to provide a noise reduction device for a humidifier, which can reduce the noise of the humidifier and improve user experience.

Another purpose of the present application is to provide a humidifier with low working noise and high user satisfaction.

In order to achieve the above technical effects, the technical solution of this application is as follows:

A muffler device for a humidifier includes a muffler main body, the muffler main body is enclosed by side walls, and a first opening and a second opening are respectively formed at both ends, the first opening and the second opening The openings communicate with each other to form a mist channel, the cross-sectional area of the mist channel gradually decreases in the direction from the first opening to the second opening, the side wall is provided with a through hole; a water baffle, the water blocking At least one end of the plate is connected to the side wall at one end of the through hole in the extension direction of the mist channel, and a ventilation hole is provided between the water baffle plate and the side wall.

In some embodiments, it is characterized in that the water baffle and the side wall are staggered in the radial direction of the sound absorbing body.

In some optional embodiments, at least a part of the projection of the water baffle in the vertical direction overlaps with the projection of the through hole in the vertical direction.

In some specific embodiments, at least a part of the projection of the water baffle in the horizontal direction overlaps with the projection of the through hole in the horizontal direction.

In some optional embodiments, at least a part of the projection of the water baffle in the horizontal direction overlaps with the projection of the through hole in the horizontal direction, and the projection of the water baffle in the vertical direction covers the through hole Projection in the vertical direction.

In some optional embodiments, the lower end of the water baffle is connected to the side wall at the lower end of the through hole.

In some optional embodiments, there are multiple through holes and multiple water baffles;

The water baffle plate corresponds to at least one of the through holes, or the water baffle plate and the through holes are arranged in one-to-one correspondence.

In some optional embodiments, both ends of the water baffle are respectively connected to the side walls at both ends of the through hole in the axial direction of the sound-absorbing body.

In some optional embodiments, each of the through holes is formed as a long hole extending along the axial direction of the sound-absorbing body, and is distributed at intervals along the circumferential direction of the sound-absorbing body; the sound-absorbing device It also includes a drainage piece, the drainage piece is connected with the side wall and communicates with the second opening, one end of the water baffle is connected with the upper end of the drainage piece, and the other end of the water baffle is connected with The side walls at the upper end of the through hole are connected.

In some optional embodiments, the end of the side wall connected with the drainage member forms a first curved part; the end of the water baffle connected with the side wall at the upper end of the through hole forms a second Flexure.

A humidifier includes the muffler device, an atomization channel, an atomization cavity and an atomization sheet of the humidifier described above. The first opening of the muffler device is connected to the bottom end of the atomization channel, and The second opening of the muffler device is facing the atomization sheet, and the drainage member of the muffler device is arranged adjacent to the atomization sheet.

Since the muffler device of the humidifier of the present application has a muffler body 1 and a water baffle arranged above the atomization sheet, the water droplets aroused during the atomization of the mist sheet can follow the side wall of the muffling body 1 And the water baffle slips off, avoiding the agitated water drop directly falling back to the water surface, better reducing the dripping sound generated during the atomization of the humidifier, reducing noise, and improving user satisfaction.

The humidifier of the present application, due to the muffler device described above, can make the water droplets aroused during the atomization process of the atomizing sheet slide down along the muffler device, avoiding the agitated water droplets from directly falling back to the water surface. The dripping sound generated during the humidification process of the humidifier is reduced, the noise is reduced, and the user satisfaction is improved.

The additional aspects and advantages of the present application will be partially given in the following description, and some will become obvious from the following description, or be understood through the practice of the present application.

Description of the drawings

FIG. 1 is a schematic diagram of the structure of the muffler device of the humidifier in Embodiment 1 of the present application;

Fig. 2 is a schematic structural diagram of the muffler device of the humidifier according to Embodiment 2 of the present application;

Fig. 3 is a schematic structural diagram of the muffler device of the humidifier according to Embodiment 3 of the present application;

Figure 4 is a schematic structural diagram of the muffler device of the humidifier according to Embodiment 4 of the present application;

Fig. 5 is a schematic structural diagram of the muffler device of the humidifier of Embodiment 5 of the present application;

Fig. 6 is a schematic structural diagram of a humidifier according to an embodiment of the present application;

Fig. 7 is a cross-sectional view of the humidifier of the embodiment of the present application.

Reference signs:

1. Muffling body; 11. Side wall; 111. Through hole; 12. Ventilation hole; 13. First opening; 14. Second opening; 15. Fog channel; 16. First bending part; 2. Water baffle 21. The second bending part; 3. Drainage member; 4. Water tank; 41. Atomization channel; 5. Base; 51. Atomization cavity; 52. Receiving cavity; 6. Atomization sheet; 7. Spray assembly; 8. ,fan.

detailed description

In order to make the technical problems solved by the present application, the technical solutions adopted, and the technical effects achieved more clear, the technical solutions of the present application will be further described below in conjunction with the drawings and specific implementations.

In the description of this application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" , "Radial", "Circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply the device or The element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present application.

In addition, the features defined with "first" and "second" may explicitly or implicitly include one or more of these features, which are used to distinguish and describe the features, without ordering, and without priority. In the description of this application, unless otherwise specified, "plurality" means two or more.

In the description of this application, it should be noted that the terms "installation", "connection", and "connection" should be interpreted broadly unless otherwise clearly specified and limited. For example, it can be a fixed connection or a detachable connection. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in this application can be understood under specific circumstances.

The specific structure of the muffler device of the humidifier according to the embodiment of the present application will be described below with reference to FIGS. 1 to 7.

First, it should be noted that, as shown in FIGS. 6-7, the humidifier in the embodiment of the present application includes a water tank 4 and a base 5 located on the bottom wall of the water tank 4. The water tank 4 stores water, and the base 5 is provided with an atomization cavity 51. When the water tank 4 is installed on the base 5, the water in the water tank 4 can flow into the atomization cavity 51, and in the atomization cavity 51 due to atomization The atomization of the sheet 6 forms water mist. An atomization channel 41 is also provided in the water tank 4, the lower end of the atomization channel 41 is connected with the muffler of this embodiment, and the upper end of the atomization channel 41 is connected with the spray assembly 7 on the top of the water tank 4. The water mist generated in the atomization cavity 51 sequentially passes through the muffler and the atomization channel 41 and is sprayed out by the spray assembly 7, thereby increasing the indoor humidity.

As shown in Figure 1, the muffler device of the humidifier of the present application includes a muffler main body 1 and a water baffle plate 2. The muffler main body 1 is enclosed by side walls 11, and first openings 13 and The second opening 14, the first opening 13 and the second opening 14 are connected to form a mist channel 15, and the cross-sectional area of the mist channel 15 gradually decreases in the direction from the first opening 13 to the second opening 14. The side wall 11 is provided with a through hole 111, at least one end of the water baffle 2 is connected to the side wall 11 at one end of the through hole 111 in the extending direction of the mist channel 15, and a vent hole 12 is provided between the water baffle 2 and the side wall 11 .

It can be understood that, in this embodiment, the mist channel 15 is in communication with the atomization channel 41 of the humidifier, and the atomization sheet 6 is located below the second opening 14, and is usually arranged directly below the second opening 14. The mist atomized by the atomizing sheet 6 enters the mist channel 15 through the second opening 14 and thus enters the atomization channel 41 of the humidifier. However, when the atomizing sheet 6 atomizes the water in the atomizing cavity 51, it will cause the water in the atomizing cavity 51 to splash, and the splashed water will produce a loud dripping sound after falling back to the water surface, and the noise generated by the dripping sound It affects the user’s attention or sleep, and reduces the user’s satisfaction. On the other hand, a small amount of atomized mist may condense into water droplets during the process of spraying out of the humidifier, and the water droplets fall back to the atomization cavity 51 Noise can also be generated at times. In the present application, when the liquid in the atomization chamber 51 splashes upwards, the water droplets will slide down along the side wall 11 and the baffle plate 2 of the sound absorbing body 1, and the water droplets will slide down to the side wall 11 and the side wall 11 of the sound absorbing body 1. After the bottom end of the water baffle 2 drips into the water surface, in actual use, when the water level of the atomization cavity 51 is high, the side wall 11 and the lower end of the water baffle 2 may be located below the water surface. When the water level of 51 is low, the distance between the lower end of the side wall 11 and the water baffle 2 and the water surface is also small. Therefore, the noise reduction device of the present application can greatly reduce the falling noise caused by the water droplets agitated by the atomization of the atomization sheet 6 falling back into the atomization cavity 51, and improve the user satisfaction.

It should be supplemented that in actual use, in order to ensure a stable output of the mist, the highest water level in the atomization cavity 51 is lower than the uppermost end of the vent 12. In order to ensure the silencing effect of the silencing device, both the side wall 11 and the lower end of the water baffle 2 are submerged in the water in the atomization cavity 51.

In addition, the cross-sectional area of the mist channel 15 gradually decreases in the direction from the first opening 13 to the second opening 14, which ensures that the side wall 11 of the muffler body 1 and the water baffle 2 can receive the dripping water droplets. Under the drainage of the side wall 11 of the muffling body 1 and the water baffle 2, it slowly slides down into the atomization cavity 51, which better prevents water droplets from directly falling into the water in the atomization cavity 51, reducing noise and ensuring The noise reduction effect of the noise reduction device.

Since the muffler device of the humidifier of the present application has the muffler body 1 and the water baffle 2 arranged above the atomization sheet 6, the water droplets provoked during the atomization of the atomization sheet 6 can follow the sound absorption body 1 The side wall 11 and the water baffle 2 slide down, and the side wall 11 and the water baffle 2 serve to receive the falling water droplets and guide the water droplets to the atomization cavity 51, preventing the water droplets aroused by atomization from directly falling back to the water surface. It also prevents the atomized water mist from condensing into water droplets directly falling back to the water surface in the atomizing cavity 51 during the process of spraying the humidifier, which better reduces the dripping sound generated during the atomization of the humidifier, reduces noise and improves Improve user satisfaction.

In some embodiments, as shown in FIG. 1, the water baffle 2 and the side wall 11 are staggered in the radial direction of the muffling body 1, that is, the water baffle 2 and the side wall 11 are in different planes. The water baffle 2 and the side wall 11 are staggered in the radial direction of the muffling body 1, so that in the radial direction, a vent 12 is formed between the water baffle 2 and the side wall 11, and the atomizing sheet 6 is atomized. The water droplets aroused in the process will be double-blocked by the water baffle 2 and the side wall 11 during the splashing process, which reduces the probability of the water droplets directly dripping from the ventilation holes 12, thereby ensuring the noise reduction effect of the noise reduction device. It should be noted here that, in this embodiment, the staggered arrangement of the water baffle 2 and the side wall 11 in the radial direction of the muffling body 1 is only a better choice for improving the muffler device, not for the water baffle. 2 The relative position of the side wall 11 is completely defined, and the relative position of the water baffle 2 and the side wall 11 can be selected according to actual conditions. The farther the water baffle 2 and the side wall 11 are relative to each other, the larger the ventilation hole 12 and the greater the ventilation. The air is blown into the atomization chamber 51 by the fan 8 in the base 5 of the humidifier, and the air passes through the ventilation hole 12 Enter the muffler, and blow the mist atomized into the muffler out of the humidifier through the atomization channel 41. The larger the air volume of the fan 8 is, the larger the ventilation holes 12 are to ensure smooth air circulation, so as to better spray the mist generated by the atomization out of the humidifier.

In some optional embodiments, at least a part of the projection of the water baffle 2 in the vertical direction overlaps with the projection of the through hole 111 in the vertical direction. It can be understood that the projection in the vertical direction means that both the water baffle 2 and the through hole 111 are projected to a plane perpendicular to the axis. When at least a part of the projection of the water baffle 2 in the vertical direction overlaps with the projection of the through hole 111 in the vertical direction, and the upper end of the water baffle 2 is connected with the side wall 11, the water baffle 2 can drain, so that The water droplets aroused by the atomizing sheet and the water droplets condensed in the fog channel 15 slide down the water baffle 2 and then flow from the lower end of the water baffle 2 to the atomization cavity 51, which better reduces the dripping noise. When at least a part of the projection of the water baffle 2 in the vertical direction overlaps with the projection of the through hole 111 in the vertical direction, and the lower end of the water baffle 2 is connected to the side wall 11, the water baffle 2 can receive water droplets, It can also drain water droplets, which reduces the noise of dripping water.

In some optional embodiments, at least a part of the projection of the water baffle 2 in the vertical direction overlaps with the projection of the through hole 111 in the vertical direction, and at least a part of the projection of the water baffle 2 in the horizontal direction is The projections of the through holes 111 in the horizontal direction overlap. It can be understood that the projection of the water baffle 2 in the horizontal direction is the projection of the water baffle 2 on a plane parallel to the plane of the axis. In this way, it can be ensured that when only one end of the water baffle 2 is connected to the side wall 11, the free end of the water baffle 2 is bent toward the through hole 111. When the lower end of the water baffle 2 and the through hole 111 are adjacent to the second opening 14 When the side wall 11 at one end is connected, the free end of the water baffle 2 is higher than the connection end of the water baffle 2 and the side wall 11; when the upper end of the water baffle 2 is connected to the side wall 11 at the end of the through hole 111 adjacent to the first opening 13 At this time, the free end of the water baffle 2 is lower than the connecting end of the water baffle 2 and the side wall 11, and is bent in the direction of the through hole 111. Therefore, the free end of the water baffle 2 can accept the atomization of the atomization sheet 6 The water droplets can also accept the water droplets formed by the condensation of the water mist on the mist channel 15, the atomization channel 41, and the inner side wall 11 of the spray assembly 7, so as to prevent the water droplets from directly dripping back to the atomization cavity 51, thereby reducing the direct drip of the water droplets back to the water surface. The possibility of not passing through the water baffle 2 to undertake the drainage, which better reduces the dripping noise.

In some optional embodiments, as shown in FIGS. 2 to 5, at least a part of the horizontal projection of the water baffle 2 overlaps with the projection of the through hole 111 in the horizontal direction, and the water baffle 2 is in the vertical direction. The projection of covers the projection of the through hole 111 in the vertical direction. Specifically, the projections of the water baffle 2 and the through hole 111 in the vertical direction are both square, so the length and width of the projection of the water baffle 2 are greater than the length and width of the projection of the through hole 111, that is, the water baffle 2 is vertical The projection of the direction covers the projection of the through hole 111 in the vertical direction. It is understandable that the projection in the vertical direction means that both the baffle 2 and the through hole 111 are projected to a plane perpendicular to the axis, and the projection in the horizontal direction means that the projection of the baffle 2 in the horizontal direction is that the baffle 2 is in the horizontal direction. Projection on a plane parallel to the plane of the axis. According to the foregoing, the water baffle 2 and the side wall 11 are staggered in the radial direction of the muffling body 1, when at least a part of the projection of the water baffle 2 in the horizontal direction overlaps with the projection of the through hole 111 in the horizontal direction, and When the projection in the vertical direction covers the through hole 111, the width of the water baffle plate 2 is greater than or equal to the width of the through hole 111, so in the axial direction, from the first opening 13 to the second opening 14, the through hole 111 is blocked The water plate 2 is covered so that no water droplets will drip from the through holes 111, which ensures that the water droplets agitated by the atomization sheet 6 or the water droplets condensed on the mist channel 15, the atomization channel 41 and the inner wall of the spray assembly 7 can all be The water baffle 2 and the side wall 11 of the muffler body 1 are received, thereby minimizing dripping noise. Of course, in other embodiments of the present application, the relative positional relationship between the water baffle 2 and the through hole 111 is not limited to the relationship described above, and can be selected according to actual conditions.

In some embodiments, the lower end of the water baffle 2 is connected to the side wall 11 at the lower end of the through hole 111. As a result, it is better ensured that the lower end of the water baffle 2 can receive the water droplets aroused by the atomization of the atomization sheet 6 and the water droplets condensed on the atomization channel 15, the atomization channel 41, and the inner wall of the spray assembly 7, thereby better The dripping noise is reduced, and the air entering the vent 12 is ensured to flow upward, which is beneficial to better spray the mist out of the spray assembly 7.

In some embodiments, as shown in FIGS. 1 to 5, there are multiple through holes 111, and there are multiple water baffle plates 2, and the water baffle plate 2 corresponds to at least one through hole 111. It is understandable that there are multiple through holes 111 and multiple water baffle 2 means that there are multiple ventilation holes 12, which increases the ventilation area of the muffler and ensures that the muffler can effectively eliminate the noise. The sound effect can also ensure the mist output of the humidifier, which improves user satisfaction.

It should be supplemented here that, according to the foregoing description, the projection of the water baffle 2 in the vertical direction covers the projection of the through hole 111 in the vertical direction. Therefore, in the embodiment of the present application, when one water baffle 2 is provided corresponding to a plurality of through holes 111, the projection of the water baffle 2 in the vertical direction needs to be able to cover the corresponding through holes 111 in the vertical direction. Projection on. However, in some embodiments of the present application, the through holes 111 are unevenly distributed on the side wall 11 of the sound absorbing body 1, so the shape of the water baffle 2 provided corresponding to the multiple through holes 111 may be strange. The plate 2 is produced. In this case, you can choose a one-to-one correspondence between the water baffle 2 and the through hole 111, or you can choose to set the water baffle 2 into a regular shape and shield as much as possible. One through hole 111. That is to say, in the embodiment of the present application, some of the through holes 111 may not be blocked by the water baffle 2, which reduces the noise of water droplets directly falling into the water to a certain extent.

In some more specific embodiments, as shown in FIG. 1, the plurality of through holes 111 are formed into a plurality of groups of through holes 111, and the groups of through holes 111 are distributed at intervals along the circumferential direction of the muffler body 1. The 111 group includes a plurality of through holes 111 spaced apart along the axial direction of the muffler main body 1, there are multiple water baffle plates 2, and the multiple water baffle plates 2 are arranged in one-to-one correspondence with the multiple through hole groups 111. Therefore, the distribution of the through holes 111 on the sound absorbing body 1 is relatively uniform, so that the water baffle 2 and the ventilation holes 12 are distributed on the sound absorbing body 1 relatively evenly. Since the water droplets splashed by the atomizing sheet 6 are facing in all directions, the relatively even distribution of the water baffle 2 on the sound absorbing body 1 can greatly ensure the water blocking effect of the water baffle 2, thereby ensuring the sound damping effect of the muffler.

In some optional embodiments, as shown in FIGS. 2 to 5, the water baffle 2 and the through hole 111 are arranged in a one-to-one correspondence. It can be understood that the water baffle 2 and the through hole 111 are arranged in a one-to-one correspondence, which can avoid the phenomenon that the water droplets splashed by the atomizing sheet 6 pass through and directly drop back to the water surface, thereby ensuring the sound absorbing effect of the muffler.

In addition, when the water baffle plate 2 and the through hole 111 are arranged in one-to-one correspondence, in some embodiments, as shown in FIG. 2, the water baffle plate 2 is connected to the side wall 11 of the through hole 111 near the end of the second opening 14, and The water baffle 2 extends toward the outside of the mist channel 15. In some embodiments, as shown in FIG. 3, the water baffle 2 is connected to the side wall 11 of the through hole 111 near the end of the second opening 14, and the water baffle 2 extends toward the inside of the mist channel 15. Under the premise of ensuring that the wind enters the mist channel 15 from the vent 12, when the water droplets splashed by the atomization sheet 6 fall, due to the blocking effect of the water baffle 2, the water drop will not directly fall from the vent 12 to the atomization cavity 51 The water in the middle is received by the baffle 2 and drained into the water flowing into the atomization cavity 51 along the side wall 11 of the noise absorbing body 1, which reduces the noise caused by water droplets directly falling into the atomization cavity 51.

In some embodiments, the two ends of the water baffle 2 are respectively connected to the side walls 11 at the two ends of the through hole 111 in the axial direction of the muffling body 1. Preferably, each through hole 111 corresponds to a water baffle plate 2, and a vent hole 12 is formed between the water baffle plate 2 and the side wall 11 of the muffler body 1, because the water baffle plate 2 and the side wall 11 are staggered to prevent water The projection of the plate 2 in the vertical direction covers the projection of the through hole 111 in the vertical direction, so the water baffle 2 can completely block the through hole 111. Thereby, it is possible to prevent the water vapor aroused by the atomization of the atomizing sheet 6 and the water droplets condensed on the inner wall of the mist channel 15, the atomization channel 41 and the spray assembly 7 directly from the end of the water baffle plate 2 that is not connected to the through hole 111. The phenomenon of flying out of the through hole 111 and directly dripping onto the water surface occurs, thereby ensuring the noise reduction effect of the noise reduction device. The through holes 111 may be regularly arranged on the side wall 11 of the sound-absorbing main body 1, or may be arranged arbitrarily, which is not limited here.

It should be supplemented that although both ends of the water baffle 2 are fixedly connected to the side walls 11 at both ends of the through hole 111, there are many possibilities for the position of the water baffle 2 relative to the mist channel 15. Specifically, in some embodiments, as shown in FIG. 4, both ends of the water baffle 2 are respectively connected to the side walls 11 at both ends of the through hole 111, and the water baffle 2 extends toward the outside of the mist channel 15. In some embodiments, as shown in FIG. 5, both ends of the water baffle 2 are respectively connected to the side walls 11 at both ends of the through hole 111, and the water baffle 2 extends toward the inner side of the mist channel 15. Therefore, the position of the water baffle 2 relative to the mist channel 15 can be selected according to actual needs.

In some embodiments, as shown in FIG. 1, each through hole 111 is formed as an elongated hole extending along the axial direction of the sound-absorbing body 1 and is distributed at intervals along the circumferential direction of the sound-absorbing body 1. The muffler device also includes a drainage element 3 connected to the side wall 11 and communicated with the second opening 14. One end of the water baffle 2 is connected to the upper end of the drainage element 3, and the other end of the water baffle 2 is connected to the through hole The side walls 11 at the upper end of 111 are connected. It can be understood that the through holes 111 are formed as long holes extending in the axial direction of the noise absorbing body 1 and distributed around the noise absorbing body 1, and the water baffle 2 and the through holes 111 are arranged in one-to-one correspondence. As a result, the vent hole 12 is formed as a long hole extending along the axis of the muffling body 1 and distributed along the muffling body 1, thus increasing the area of the vent hole 12, thereby ensuring the amount of mist out of the entire humidifier. At the same time, the muffler device also includes a drainage piece 3 arranged below the sound-absorbing body 1, so that the water droplets drained to the lower end by the side wall 11 and the water baffle 2 flow into the water surface under the further drainage of the drainage piece 3, which further improves The silencing effect of the silencing device reduces the dripping noise of the humidifier.

Preferably, the lower end surface of the drainage member 3 is lower than the highest water level of the humidifier atomization cavity 51. Therefore, in the actual practical process, when the amount of water in the humidifier is large, the lower end surface of the drainage member 3 is located below the water surface, which greatly reduces the dripping noise of the humidifier. As a preferred solution, the lower end of the drainage member 3 is slightly higher than the atomization sheet 6, so that as the humidifier works, the water in the atomization cavity 51 is gradually reduced, and the water droplets produced by the atomization can still be on the baffle 2, the side walls 11 and The water flowing into the atomization cavity 51 under the drainage of the drainage member 3 will not produce the sound of dripping water, and the noise reduction effect is better.

In some embodiments, as shown in FIG. 1, the end of the side wall 11 connected with the drainage member 3 is formed as a first curved portion 16 protruding toward the radially outer side of the sound-absorbing body 1. One end of the water baffle plate 2 connected to the through hole 111 is formed as a second curved portion 21 protruding toward the radially inner side of the noise absorbing body 1. It can be understood that the existence of the first curved portion 16 and the second curved portion 21 can increase the ventilation hole 12 and increase the air volume entering the atomization channel 41, so that the mist generated by the atomization of the atomization sheet 6 is blown out of the humidifier, and the second The curved portion 21 and the second curved portion 21 can also better receive the dripping water droplets, and enhance the drainage effect of the side wall 11 and the water baffle 2, thereby indirectly improving the noise reduction effect of the noise reduction device.

Advantageously, in order to prevent water droplets from accumulating on the first curved portion 16, the first curved portion 16 may be formed as a structure with lower ends protruding in the middle, which can make the water droplets remaining on the first curve flow toward both sides. Of course, the first curved portion 16 can also be formed into a structure with a small arc, and the water droplets can leave the first curved portion under the action of gravity.

Examples:

The noise reduction device of the humidifier according to the specific embodiment of the present application will be described below with reference to FIG. 1.

As shown in Figure 1, the muffler device of the humidifier of this embodiment includes a muffler body 1, a water baffle 2 and a drainage member 3. The muffler body 1 is enclosed by side walls 11 and is formed at both ends. The first opening 13 and the second opening 14, the first opening 13 and the second opening 14 are connected to form a mist channel 15, and the cross-sectional area of the mist channel 15 gradually decreases in the direction from the first opening 13 to the second opening 14. The side wall 11 is provided with a through hole 111, the projection of the water baffle 2 in the vertical direction covers the projection of the through hole 111 in the vertical direction, a ventilation hole 12 is provided between the water baffle 2 and the side wall 11, and the drainage piece 3 surrounds The second opening 14 is provided and connected to the lower end of the side wall 11.

In this embodiment, the corresponding relationship between the water baffle 2 and the through hole 111 may exist in the following five types:

As shown in FIG. 1, each through hole 111 is formed as an elongated hole extending along the axial direction of the sound-absorbing body 1 and is distributed at intervals along the circumferential direction of the sound-absorbing body 1. The upper end of the water baffle 2 is connected with the upper end of the long hole, and one end of the water baffle 2 is connected with the drainage member 3.

As shown in Fig. 2, the through holes 111 are distributed along the axial and axial directions of the muffler body 1, the baffle plate 2 and the through holes 111 are arranged in one-to-one correspondence, and the lower end of the baffle plate 2 is connected to the lower end of the through hole 111. , And the water baffle 2 extends toward the outside of the mist channel 15.

As shown in FIG. 3, the through holes 111 are multiple distributed along the axis and the axial direction of the muffler body 1, the water baffle 2 and the through holes 111 are arranged one by one, and the lower end of the water baffle 2 is connected with the lower end of the through hole 111 , And the water baffle 2 extends toward the inner side of the mist channel 15.

As shown in Fig. 4, the through holes 111 are multiple distributed along the axis and the axial direction of the muffler body 1, the baffle 2 and the through holes 111 are arranged in one-to-one correspondence, and two ends of the baffle 2 and the through holes 111 The ends are connected respectively, and the water baffle 2 extends toward the outside of the mist channel 15.

As shown in FIG. 5, the through holes 111 are multiple distributed along the axis and the axial direction of the muffler body 1, the water baffle 2 and the through holes 111 are arranged in one-to-one correspondence, and two ends of the water baffle 2 and the through holes 111 The ends are connected respectively, and the water baffle 2 extends toward the inner side of the mist channel 15.

The specific structure of the humidifier of the embodiment of the present application will be described below with reference to FIGS. 6-7.

As shown in Figs. 6-7, the humidifier of the present application includes a water tank 4, a base 5, a noise reduction device and an atomizing sheet 6. The base 5 is arranged on the water tank 4, an atomizing cavity 51 is arranged on the base 5, and the atomizing sheet 6 is arranged in the atomizing cavity 51. The water tank 4 is used to store the liquid used for humidification. An atomization channel 41 is provided in the water tank 4. One end of the atomization channel 41 is in communication with the atomization cavity 51, and the other end is in communication with the spray assembly 7 on the top of the water tank 4. The first opening 13 of the muffler device is fixed at the bottom end of the atomization channel 41 and the second opening 14 is arranged directly opposite to the atomization sheet 6, and the drainage member 3 of the muffler device is arranged adjacent to the atomization sheet 6. The noise reduction device may be any of the above-mentioned embodiments. An accommodating cavity 52 is provided in the base 5, and a bottom cover is provided at the bottom of the accommodating cavity 52. The accommodating cavity 52 is used for installing a fan 8 and circuit board electrical components. The air outlet of the fan 8 is arranged in the atomization cavity 51, and the fan 8 can suck external air into the atomization cavity 51 and enter the atomization channel 41 through the ventilation holes of the muffler to atomize the atomization sheet 6 to produce The water mist blows out of the humidifier.

When the water tank 4 is installed on the base 5, as the atomization of the water in the atomization cavity 51 decreases, the water outlet at the bottom of the water tank 4 opens to add water to the atomization cavity 51, and the atomization sheet 6 mists the liquid in the atomization cavity 51 It turns into water mist. The water mist generated in the atomization cavity 51 passes through the atomization channel 41 in the water tank 4 and then is sprayed from the spray assembly 7 to increase the indoor humidity. The water droplets splashed when the atomizing sheet 6 generates mist can be blocked by the side wall 11 and the water baffle 2 of the muffler body 1, and drip back under the drainage action of the side wall 11, the water baffle 2 and the drainage member 3. water surface. Thus, it is avoided that the water droplets splashed when the atomizing sheet 6 generates mist directly fall back to the water surface, which greatly reduces the dripping noise generated during the operation of the humidifier.

It should be noted that the water tank 4 can be filled with water, or other sanitary, clean and harmless liquid that can be atomized.

In the description of this specification, the description with reference to the terms "some embodiments", "other embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiments or examples are included in at least one implementation of the application Examples or examples. In this specification, the schematic representation of the above-mentioned terms does not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner.

The above content is only a preferred embodiment of this application. For those of ordinary skill in the art, according to the ideas of this application, there will be changes in the specific implementation and scope of application. The content of this specification should not be construed as a reference to this application. limits.

Claims (11)

A noise reduction device for a humidifier, characterized in that it comprises: A sound-absorbing body (1), the sound-absorbing body (1) is enclosed by side walls (11), and a first opening (13) and a second opening (14) are formed at both ends, the first The opening (13) communicates with the second opening (14) to form a mist passage (15), and the cross-sectional area of the mist passage (15) is in the direction from the first opening (13) to the second opening (14) Gradually decrease, the side wall (11) is provided with a through hole (111); A water baffle (2), at least one end of the water baffle (2) is connected to the side wall (11) at one end of the through hole (111) in the extending direction of the mist channel (15), and the baffle Ventilation holes (12) are arranged between the water plate (2) and the side wall (11). The noise reduction device for a humidifier according to claim 1, wherein the water baffle (2) and the side wall (11) are staggered in the radial direction of the noise reduction body (1) . The noise reduction device for a humidifier according to claim 2, wherein at least a part of the projection of the water baffle in the vertical direction overlaps with the projection of the through hole (111) in the vertical direction. The noise reduction device for a humidifier according to claim 3, characterized in that at least a part of the projection of the water baffle (2) in the horizontal direction overlaps with the projection of the through hole (111) in the horizontal direction. The muffler device for a humidifier according to claim 2, wherein at least a part of the projection of the water baffle (2) in the horizontal direction overlaps with the projection of the through hole (111) in the horizontal direction, and The projection of the water baffle (2) in the vertical direction covers the projection of the through hole (111) in the vertical direction. The noise reduction device for a humidifier according to claim 5, wherein the lower end of the water baffle (2) is connected to the side wall (11) at the lower end of the through hole (111). The noise reduction device for a humidifier according to claim 5, characterized in that there are multiple through holes (111), and multiple water baffles (2); The water baffle (2) corresponds to at least one through hole (111), or the water baffle (2) and the through hole (111) are arranged in a one-to-one correspondence. The muffler device for a humidifier according to claim 5, wherein the two ends of the water baffle (2) are respectively connected to the through hole (111) in the axial direction of the muffler body (1). The side walls (11) at both ends are connected. The muffler device for a humidifier according to claim 5, wherein each of the through holes (111) is formed as a long hole extending along the axial direction of the muffling body (1), and The sound-absorbing main body (1) is distributed at intervals in the circumferential direction; the sound-absorbing device further includes a drainage piece (3), the drainage piece (3) is connected to the side wall (11) and is connected to the second opening (14) Communication, one end of the water baffle (2) is connected to the upper end of the drainage member (3), and the other end of the water baffle (2) is connected to the upper end of the through hole (111) The side walls (11) are connected. The muffler device for a humidifier according to claim 9, characterized in that the end of the side wall (11) connected with the drainage member (3) forms a first curved portion (16); One end of the plate (2) connected to the side wall (11) at the upper end of the through hole (111) forms a second bent portion (21). A humidifier, characterized by comprising the humidifier muffler as claimed in any one of claims 1-10, an atomization channel (41), an atomization cavity (51) and an atomization sheet (6) , The first opening (13) of the muffler device is connected to the bottom end of the atomization channel (41), and the second opening (14) of the muffler device is directly opposite to the atomizer sheet (6), The drainage member (3) of the noise reduction device is arranged adjacent to the atomization sheet (6).

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