CN218442610U - Humidifying device - Google Patents

Abstract

The utility model provides a humidifying device, it includes: an atomizer; the first shell is provided with a mist outlet and a first liquid mist channel piece positioned in the first shell, and one end of the first liquid mist channel piece is communicated with the mist outlet; the second shell is provided with an opening and a first accommodating space, and the first shell is covered on one side where the opening is located; the liquid storage box is arranged in the first accommodating space and comprises a first bottom wall, a first annular side wall and a second annular side wall, the first bottom wall is provided with an opening, the first annular side wall is annularly arranged on the outer edge of the first bottom wall, the second annular side wall is annularly arranged on the periphery of the opening, the second annular side wall is communicated with the other end of the first liquid fog channel piece, the second annular side wall is coincided with the geometric center of the liquid storage box, and the first annular side wall, the first bottom wall and the second annular side wall are encircled to form a liquid storage cavity for containing the liquid to be atomized.

Description

Humidifying device

Technical Field

The utility model relates to a humidification technical field, especially a humidification device.

Background

In dry climates or environments, in order to reduce the discomfort of the skin, respiratory tract, etc. caused by dryness, some humidification devices, such as humidifiers, aromatherapy machines, etc., are commonly used to increase the humidity of the air. When the humidifying device is moved or placed, due to the fact that liquid is added inside the humidifying device, if the center of gravity deviates to one side, the humidifying device is prone to toppling.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a center of gravity balanced humidifier.

The utility model provides a humidifying device, include: an atomizer for atomizing a liquid to be atomized to generate a liquid mist; the first shell is provided with a mist outlet for discharging the liquid mist and a first liquid mist channel piece positioned in the first shell, and one end of the first liquid mist channel piece is communicated with the mist outlet; the second shell is provided with an opening and a first accommodating space communicated with the opening, and the first shell is covered on one side where the opening is located; the liquid storage box is arranged in the first accommodating space and comprises a first bottom wall, a first annular side wall and a second annular side wall, the first bottom wall is arranged on one side far away from the opening, the first bottom wall is provided with an opening, the first annular side wall is annularly arranged on the outer edge of the first bottom wall, the second annular side wall is arranged in the first annular side wall and annularly arranged on the periphery of the opening, the first annular side wall and the second annular side wall face the first shell to extend, the second annular side wall is communicated with the other end of the first liquid fog channel piece, the second annular side wall is coincided with the geometric center of the liquid storage box, and the first annular side wall, the first bottom wall and the second annular side wall are encircled to form a liquid storage cavity for containing liquid to be atomized.

Compared with the prior art, the liquid storage tank of the humidifying device provided by the embodiment of the invention is surrounded by the first annular side wall, the first bottom wall and the second annular side wall to form a liquid storage cavity, the liquid storage cavity is filled with the liquid to be atomized, and as the second annular side wall is superposed with the geometric center of the liquid storage tank, the gravity center of the liquid storage tank filled with the liquid to be atomized is positioned at the geometric center of the liquid storage tank, so that the gravity center of the whole device is stable, the liquid to be atomized cannot fall down due to shaking, the device is prevented from being damaged by adopting a stable gravity center anti-falling design, and the use experience of a user is further improved; the second annular side wall can be used as a channel of the liquid mist, so that the liquid mist flows to the mist outlet.

In one embodiment, the second housing has a second mist channel, the second mist channel includes a second bottom wall and a third annular side wall, the second bottom wall is abutted to one side of the first bottom wall far away from the liquid storage tank, the third annular side wall is disposed on the second bottom wall, the extending direction of the third annular side wall is the same as the extending direction of the first annular side wall, the third annular side wall is overlapped with the geometric center of the second mist channel, the third annular side wall extends into the second annular side wall, the third annular side wall, the second annular side wall and the first mist channel are hollow to form a mist cavity, and two ends of the mist cavity respectively correspond to the atomizer and the mist outlet. The humidifying device of this embodiment, through the setting of second liquid fog passageway spare, third annular lateral wall second annular lateral wall first liquid fog passageway spare cavity forms the liquid fog chamber, makes the circulation route of liquid fog is more reasonable, for a sharp passageway, has improved the flow efficiency of liquid fog. Meanwhile, the third annular side wall of the second liquid mist channel piece is also overlapped with the geometric center of the second liquid mist channel piece, the gravity center of the humidifying device cannot be influenced, and the design is reasonable.

In one of them embodiment, first casing includes the roof structure, the lid is located structural apron of roof, ring are located the peripheral curb plate of roof structure and connection the curb plate just keeps away from the base plate of roof structure, the roof structure include with first roof board and the second roof board of cover connection, first roof board with form the filling opening between the second roof board, have the intercommunication on the base plate the filling opening with the inlet channel in stock solution chamber, the second roof board is close to the edge of filling opening compare in first roof board is close to the edge of filling opening is closer to the base plate, the apron is close to the edge of filling opening with the second roof board is close to the projection part of the edge of filling opening on the vertical direction overlaps. First roof portion with form between the second roof portion the filling opening during humidification device lacks liquid, need not carry out any dismantlement action and just can directly carry out the fluid infusion operation, easy operation has promoted user experience. In addition, the edge of the cover plate close to the liquid filling opening and the projection part of the edge of the second top plate close to the liquid filling opening in the vertical direction are overlapped, so that the liquid filling opening is arranged in a hidden mode in the vertical direction, and dust and sundries are effectively prevented from entering the humidifying device.

In one embodiment, the first top plate portion has a first opening area thereon, the cover plate has a second opening area having the same shape as the first opening area, the second opening area has a mist outlet partition plate thereon, the mist outlet partition plate includes a grid structure having a plurality of through hole areas, one part of the plurality of through hole areas serves as the mist outlet, and the other part of the plurality of through hole areas serves as the air outlet. Through install on the second opening region of apron go out the fog baffle to with go out the fog baffle pass through the hole area partly as go out the fog mouth, another part is as the air outlet, can more accurate wind-guiding promotes when the diffusion efficiency of play fog mouth liquid smoke, simplifies humidification device's part sets up, is convenient for produce the equipment.

In one embodiment, a surface of the first top plate portion on a side away from the base plate is an arc-shaped surface recessed from an edge toward the first opening region, the cover plate is matched in shape with the arc-shaped surface of the first top plate portion, and a surface of the second top plate portion on a side away from the base plate is an arc-shaped surface recessed from the side plate toward the filling opening. The width of the liquid adding opening can be further increased through the arc-shaped surface of the first top plate part and the arc-shaped surface of the second top plate part, and the arc-shaped surface of the second top plate part plays a role in guiding when liquid is added, so that liquid is prevented from flowing out when liquid is added.

In one embodiment, the first liquid mist channel member is disposed on the substrate, the width of the first liquid mist channel member gradually decreases in a direction toward the second opening region, and a shape of an end of the first liquid mist channel member, which is communicated with the mist outlet, is identical to a shape of the mist outlet. Through the arrangement, the mist outlet speed of the mist outlet can be increased by compressing the width from the inlet to the outlet of the first liquid mist channel piece, the mist outlet efficiency is improved, and the humidifying efficiency of the humidifying device is further accelerated.

In one embodiment, the humidifying device further includes a first fan assembly, the first fan assembly is located in a first receiving cavity defined by the first liquid mist channel member, the first top plate portion, the base plate and the side plate, the air outlet is disposed corresponding to the first fan assembly, the side plate is disposed corresponding to the first fan assembly and provided with an air inlet, the first fan assembly is used for blowing air towards the mist outlet via the air outlet so as to diffuse the liquid mist discharged from the mist outlet, and a surface of the first liquid mist channel member, which is close to one side of the first fan assembly, is an arc-shaped air deflector so as to guide the outlet air of the first fan assembly to the air outlet; the first fan assembly includes a cross flow fan, and an extending direction of the cross flow fan is the same as a length direction of the first opening region. Through being close to the air outlet sets up first fan assembly, can via the air outlet orientation the fog outlet is bloied to make the fog outlet discharges the liquid fog diffusion makes the liquid fog diffusion that humidification device discharged is more even, simultaneously can accelerate the diffusion of liquid fog under first fan assembly's blowing for the discharge efficiency of liquid fog. The first fan assembly is a cross-flow fan, the extending direction of the first fan assembly is the same as the length direction of the second opening area, and the air outlet efficiency can be further improved in the irregular arc-shaped channel.

In one embodiment, the cover plate is a control panel and has a key portion, the first housing further has a second receiving cavity, the first receiving cavity and the second receiving cavity are respectively located at two sides of the first liquid fog channel member, and the humidifying device includes an electric control assembly located in the second receiving cavity and connected with the key portion. Through foretell setting, in the user's of being convenient for key operation, can avoid automatically controlled subassembly receives the influence of the liquid of atomizing liquid fog and fluid infusion and the problem that became damp inefficacy can also avoid foreign matter, dust etc. to fall into among the automatically controlled subassembly, ensured humidification device's electric power safety.

In one embodiment, the second housing includes a third bottom wall far from the opening and a fourth annular side wall annularly disposed on an outer edge of the third bottom wall and extending toward the first housing, the third bottom wall and the fourth annular side wall enclose the first accommodating space having the opening, and the atomizer is disposed on the third bottom wall. Through with the atomizer sets up on the third diapire, enable treat that atomized liquid can better with atomizing contact further improves atomizing efficiency, simultaneously, the atomizer corresponds the liquid fog chamber sets up, can make better the liquid fog gets into the liquid fog chamber.

In one embodiment, the humidifying device further includes a third housing and a second fan assembly, the third housing is located on a side of the third bottom wall away from the liquid storage tank, the second fan assembly is disposed adjacent to the atomizer, the second fan assembly is located on a side of the third housing facing the third bottom wall, and the second fan assembly is used for blowing air to the liquid mist chamber to discharge the liquid mist through the third annular side wall, the second annular side wall, the first liquid mist channel member and the mist outlet. Through by the other setting of atomizer second fan assembly can with liquid after the atomizer atomizing is through third annular lateral wall second annular lateral wall first liquid fog passageway spare with the fog outlet is discharged, improves fog efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of a humidifying device according to an embodiment of the present invention.

Fig. 2 is a perspective view of the humidifying device according to the embodiment of the present invention at another angle.

Fig. 3 is an exploded schematic view of a humidifying device according to an embodiment of the present invention.

Fig. 4 isbase:Sub>A sectional view of the humidifying device shown in fig. 1 taken along the linebase:Sub>A-base:Sub>A.

Fig. 5 is a sectional view of the humidifying device shown in fig. 1, taken along the section line B-B.

Fig. 6 is a perspective view of a second housing of the humidifying device according to the embodiment of the present invention.

Fig. 7 is a perspective view of a liquid storage tank of a humidifying device according to an embodiment of the present invention.

Fig. 8 is a perspective view of the second mist passage member of the humidifying device according to the embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used in other meanings besides orientation or positional relationship, for example, the term "upper" may also be used in some cases to indicate a certain attaching or connecting relationship. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.

Referring to fig. 1 to 3, fig. 1 is a perspective view of a humidifying device according to an embodiment of the present invention. Fig. 2 is a perspective view of the humidifying device according to the embodiment of the present invention at another angle. Fig. 3 is an exploded schematic view of a humidifying device according to an embodiment of the present invention. The utility model discloses humidification device 100, include: atomizer 10, first housing 20, second housing 30 and reservoir 40. Wherein the atomizer 10 is used for atomizing a liquid to be atomized to generate a liquid mist; referring to fig. 4 again, the first housing 20 has a mist outlet 2511 for discharging the liquid mist, and a first liquid mist channel 241 located in the first housing 20, and one end of the first liquid mist channel 241 is communicated with the mist outlet 2511; referring to fig. 6 again, the second housing 30 has an opening 301 and a first accommodating space 302 communicating with the opening 301, and the first housing 20 is covered on one side of the opening 301; referring to fig. 7 again, the liquid storage tank 40 is disposed in the first accommodating space 302, the liquid storage tank 40 includes a first bottom wall 41, a first annular side wall 42 and a second annular side wall 43, the first bottom wall 41 is disposed on a side away from the opening 301, the first bottom wall 41 has an opening, the first annular side wall 42 is disposed around an outer edge of the first bottom wall 41, the second annular side wall 43 is disposed in the first annular side wall 42 and is disposed around a periphery of the opening, the first annular side wall 42 and the second annular side wall 43 extend toward the first housing 20, the second annular side wall 43 is communicated with the other end of the first liquid mist channel member 241, the second annular side wall 43 is coincident with a geometric center of the liquid storage tank 40, and the first annular side wall 42, the first bottom wall 41 and the second annular side wall 43 define a liquid storage cavity 44 for accommodating the liquid to be atomized.

Compared with the prior art, the liquid storage tank 40 of the humidifying device 100 of the embodiment of the present invention is a liquid storage chamber 44 enclosed by the first annular side wall 42, the first bottom wall 41 and the second annular side wall 43, the liquid storage chamber 44 contains the liquid to be atomized, because the second annular side wall 43 coincides with the geometric center of the liquid storage tank 40, the center of gravity of the liquid storage tank 40 filled with the liquid to be atomized is located at the geometric center of the liquid storage tank 40, so that the center of gravity of the whole device is stable, the liquid to be atomized cannot fall down due to shaking, the stable center of gravity falling prevention design is adopted to prevent the device from being damaged, and the use experience of the user is further improved; the second annular sidewall 43 can serve as a passage for the liquid mist to pass through to the mist outlet 2511.

Further, referring to fig. 3, 4, 5 and 8, a second mist channel 50 is provided in the second housing 30, the second mist channel 50 includes a second bottom wall 51 abutting against a side of the first bottom wall 41 away from the reservoir 40 and a third annular side wall 52 provided on the second bottom wall 51, an extending direction of the third annular side wall 52 is the same as an extending direction of the first annular side wall 42, the third annular side wall 52 coincides with a geometric center of the second mist channel 50, the third annular side wall 52 extends into the second annular side wall 43, the third annular side wall 52, the second annular side wall 43 and the first mist channel 241 are hollow to form a mist cavity 53, and two ends of the mist cavity 53 respectively correspond to the atomizer 10 and the mist outlet 2511. In the humidifying device 100 of this embodiment, through the arrangement of the second liquid mist channel member 50, the third annular side wall 52, the second annular side wall 43 and the first liquid mist channel member 241 are hollow to form the liquid mist cavity 53, so that the flow path of the liquid mist is more reasonable, and is a straight line channel, thereby improving the flow efficiency of the liquid mist. Meanwhile, the third annular side wall 52 of the second mist channel 50 is also overlapped with the geometric center of the second mist channel 50, so that the center of gravity of the humidifying device 100 is not influenced, and the design is reasonable.

Further, referring to fig. 3-5, the first housing 20 includes a top plate structure 21, a cover plate 22 covering the top plate structure 21, a side plate 23 surrounding the top plate structure 21, and a base plate 24 connecting the side plate 23 and far from the top plate structure 21, the top plate structure 21 includes a first top plate portion 211 and a second top plate portion 212 connected to the cover plate 22, a liquid filling opening 213 is formed between the first top plate portion 211 and the second top plate portion 212, the base plate 24 has a liquid inlet channel 242 communicating the liquid filling opening 213 and the liquid storage cavity 44, an edge of the second top plate portion 212 close to the liquid filling opening 213 is closer to the base plate 24 than an edge of the first top plate portion 211 close to the liquid filling opening 213, and a projection portion of the edge of the cover plate 22 close to the liquid filling opening 213 and an edge of the second top plate portion 212 close to the liquid filling opening 213 in a vertical direction are overlapped. First top plate 211 with form between the second top plate 212 filling opening 213 humidification device 100 lacks the liquid, need not carry out any dismantlement action and just can directly carry out the fluid infusion operation, easy operation has promoted user experience. In addition, the edge of the cover plate 22 close to the liquid filling opening 213 and the projection part of the edge of the second top plate 212 close to the liquid filling opening 213 in the vertical direction are overlapped, so that the liquid filling opening 213 is in a hidden type arrangement in the vertical direction, and dust and impurities are effectively prevented from entering the humidifying device.

Further, referring to fig. 3 to 5, a first opening region 2111 is provided on the first top plate portion 211, the cover plate 22 has a second opening region 221 having the same shape as the first opening region 2111, a mist outlet partition plate 25 is provided on the second opening region 221, the mist outlet partition plate 25 includes a grid structure having a plurality of through hole regions 251, a part of the plurality of through hole regions 251 serves as the mist outlet 2511, and another part of the plurality of through hole regions 251 serves as the air outlet 2512. By mounting the mist outlet partition plate 25 on the second opening region 221 of the cover plate 22, and using a part of the through hole region 251 of the mist outlet partition plate 25 as the mist outlet 2511 and another part as the air outlet 2512, it is possible to guide air more precisely, improve the diffusion efficiency of the liquid mist of the mist outlet 2511, simplify the component arrangement of the humidifying device 100, and facilitate production and assembly.

Further, referring to fig. 3 to 5, a surface of a side of the first top plate portion 211 away from the base plate 24 is an arc-shaped surface recessed from an edge toward the first opening region 2111, the cover plate 22 matches the shape of the arc-shaped surface of the first top plate portion 211, and a surface of a side of the second top plate portion 212 away from the base plate 24 is an arc-shaped surface recessed from the side plate 23 toward the filling opening 213. The width of the liquid adding port 213 can be further increased by arranging the arc-shaped surfaces of the first top plate part 211 and the second top plate part 212, and the arc-shaped surface of the second top plate part 212 plays a role in guiding when liquid is added, so that liquid is prevented from flowing out when the liquid is added.

Further, referring to fig. 3 to 5, the first liquid mist channel member 241 is disposed on the substrate 24, a width of the first liquid mist channel member 241 gradually decreases in a direction toward the second opening region 221, and a shape of an end of the first liquid mist channel member 241 communicating with the mist outlet 2511 is identical to a shape of the mist outlet 2511. Through the arrangement, the mist outlet speed of the mist outlet 2511 can be increased by compressing the width from the inlet to the outlet of the first liquid mist channel part 241, the mist outlet efficiency is improved, and the humidifying efficiency of the humidifying device 100 is further improved.

Further, referring to fig. 3 to fig. 5, the humidifying device 100 further includes a first fan assembly 60, the first fan assembly 60 is located in a first receiving cavity 26 enclosed by the first liquid mist channel member 241, the first top plate 211, the base plate 24 and the side plate 23, the air outlet 2512 is disposed corresponding to the first fan assembly 60, the side plate 23 is provided with an air inlet 231 corresponding to the first fan assembly 60, the first fan assembly 60 is configured to blow air towards the mist outlet 2511 through the air outlet 2512 so as to diffuse the liquid mist discharged from the mist outlet 2511, and a surface of the first liquid mist channel member 241 close to one side of the first fan assembly 60 is an arc-shaped air deflector 243 so as to guide the air discharged from the first fan assembly 60 to the air outlet 2512; the first fan assembly 60 includes a cross flow fan extending in the same direction as the longitudinal direction of the first opening region 2111. By arranging the first fan assembly 60 adjacent to the air outlet 2512, air can be blown towards the mist outlet 2511 through the air outlet 2512, so that the mist outlet 2511 discharges the diffused liquid mist, the diffused liquid mist discharged by the humidifying device 100 is more uniform, and the diffusion of the liquid mist can be accelerated under the blowing of the first fan assembly 60, thereby accelerating the discharge efficiency of the liquid mist. The first fan assembly 60 is a cross-flow fan, and the extending direction of the first fan assembly is the same as the length direction of the second opening region 221, so that the air outlet efficiency can be further improved in the irregular arc-shaped passage.

Further, referring to fig. 1 to 5, the cover plate 22 is a control panel and has a key portion 222, the first housing 20 further has a second receiving cavity 27, the first receiving cavity 26 and the second receiving cavity 27 are respectively located at two sides of the first liquid fog channel 241, the humidifying device 100 includes an electric control component 80, and the electric control component 80 is located in the second receiving cavity 27 and connected to the key portion 222. Through foretell setting, when the user's key operation of being convenient for, can avoid automatically controlled subassembly 80 receives the influence of the liquid of atomizing liquid fog and fluid infusion and the inefficacy problem that wets, can also avoid foreign matter, dust etc. to fall into among the automatically controlled subassembly 80, ensured humidification device 100's electric power safety.

Further, referring to fig. 3 to 6, the second housing 30 includes a third bottom wall 31 far away from the opening 301 and a fourth annular side wall 32 disposed around an outer edge of the third bottom wall 31 and extending toward the first housing 20, the third bottom wall 31 and the fourth annular side wall 32 enclose the first accommodating space 302 with the opening 301, and the atomizer 10 is disposed on the third bottom wall 31. Through inciting somebody to action the atomizer 10 sets up on the third diapire 31, enable treat the atomizing liquid can better with atomizing contact further improves atomizing efficiency, simultaneously, atomizer 10 corresponds liquid fog chamber 53 sets up, can make better the liquid fog gets into liquid fog chamber 53.

Further, referring to fig. 3 to 5, the humidifying device 100 further includes a third casing 90 and a second fan assembly 70, the third casing 90 is located on a side of the third bottom wall 31 away from the liquid storage tank 40, the second fan assembly 70 is disposed adjacent to the atomizer 10, the second fan assembly 70 is located on a side of the third casing 90 facing the third bottom wall 31, and the second fan assembly 70 is configured to blow air to the liquid mist cavity 53 so as to discharge the liquid mist through the third annular side wall 52, the second annular side wall 43, the first liquid mist channel member 241 and the mist outlet 2511. By arranging the second fan assembly 70 beside the atomizer 10, the atomized liquid of the atomizer 10 can be discharged through the third annular sidewall 52, the second annular sidewall 43, the first liquid-mist channel 241 and the mist outlet 2511, so as to improve the mist outlet efficiency.

The above detailed description has been made on the humidifying device disclosed in the embodiment of the present invention, and the specific examples are applied herein to explain the principle and the implementation of the present invention, and the above description of the embodiments is only used to help understand the humidifying device and the core idea thereof; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, and in summary, the content of the present specification should not be understood as the limitation of the present invention.

Claims (10)

1. A humidification device, comprising:

an atomizer for atomizing a liquid to be atomized to generate a liquid mist;

the first shell is provided with a mist outlet for discharging the liquid mist and a first liquid mist channel piece positioned in the first shell, and one end of the first liquid mist channel piece is communicated with the mist outlet;

the second shell is provided with an opening and a first accommodating space communicated with the opening, and the first shell is covered on one side where the opening is located;

the liquid storage box is arranged in the first accommodating space and comprises a first bottom wall, a first annular side wall and a second annular side wall, the first bottom wall is arranged on one side far away from the opening, the first bottom wall is provided with an opening, the first annular side wall is annularly arranged on the outer edge of the first bottom wall, the second annular side wall is arranged in the first annular side wall and annularly arranged on the periphery of the opening, the first annular side wall and the second annular side wall face the first shell in an extending mode, the second annular side wall is communicated with the other end of the first liquid mist channel piece, the second annular side wall coincides with the geometric center of the liquid storage box, and the first annular side wall, the first bottom wall and the second annular side wall are encircled to form a liquid storage cavity for containing liquid to be atomized.

2. The humidifying device as claimed in claim 1, wherein the second housing has a second mist passage member, the second mist passage member includes a second bottom wall abutting against a side of the first bottom wall away from the reservoir and a third annular side wall disposed on the second bottom wall, the third annular side wall extends in a direction same as the first annular side wall, the third annular side wall coincides with a geometric center of the second mist passage member, the third annular side wall extends into the second annular side wall, the third annular side wall, the second annular side wall and the first mist passage member are hollow to form a mist chamber, and two ends of the mist chamber respectively correspond to the atomizer and the mist outlet.

3. The humidifying device according to claim 2, wherein the first housing includes a top plate structure, a cover plate covering the top plate structure, a side plate surrounding the top plate structure, and a base plate connecting the side plate and being away from the top plate structure, the top plate structure includes a first top plate portion and a second top plate portion connected to the cover plate, a liquid filling opening is formed between the first top plate portion and the second top plate portion, the base plate has a liquid inlet passage communicating the liquid filling opening and the liquid storage chamber, an edge of the second top plate portion close to the liquid filling opening is closer to the base plate than an edge of the first top plate portion close to the liquid filling opening, and a projection of the edge of the cover plate close to the liquid filling opening and an edge of the second top plate portion close to the liquid filling opening in a vertical direction are partially overlapped.

4. The humidifying device as claimed in claim 3, wherein the first top plate portion has a first opening region thereon, the cover plate has a second opening region having the same shape as the first opening region, the second opening region has a mist-discharging partition plate thereon, the mist-discharging partition plate includes a lattice structure having a plurality of through-hole regions, one portion of the plurality of through-hole regions serves as the mist-discharging port, and the other portion of the plurality of through-hole regions serves as the air outlet port.

5. The humidifying device according to claim 4, wherein a surface of a side of the first top plate portion remote from the base plate is an arc-shaped surface recessed from an edge toward the first opening region, the cover plate is matched in shape with the arc-shaped surface of the first top plate portion, and a surface of a side of the second top plate portion remote from the base plate is an arc-shaped surface recessed from the side plate toward the charging port.

6. The humidifying device as claimed in claim 5, wherein the first liquid mist passage member is provided on the base plate, a width of the first liquid mist passage member is gradually reduced in a direction toward the second opening region, and a shape of an end of the first liquid mist passage member communicating with the mist outlet is identical to a shape of the mist outlet.

7. The humidifying device according to claim 6, further comprising a first fan assembly, the first fan assembly is located in a first receiving cavity defined by the first liquid mist channel member, the first top plate portion, the base plate and the side plate, the air outlet is arranged corresponding to the first fan assembly, the side plate is provided with an air inlet corresponding to the first fan assembly, the first fan assembly is used for blowing air towards the mist outlet through the air outlet so as to diffuse the liquid mist discharged from the mist outlet, and a surface of the first liquid mist channel member, which is close to one side of the first fan assembly, is an arc-shaped air deflector so as to guide the outlet air of the first fan assembly to the air outlet; the first fan assembly includes a cross flow fan, and an extending direction of the cross flow fan is the same as a length direction of the first opening region.

8. The humidifying device according to claim 7, wherein the cover plate is a control panel and has a key portion, the first housing further has a second housing chamber, the first housing chamber and the second housing chamber are respectively located at both sides of the first mist channel member, and the humidifying device includes an electric control assembly located in the second housing chamber and connected to the key portion.

9. The humidifying device as claimed in claim 2, wherein the second housing includes a third bottom wall remote from the opening and a fourth annular side wall provided around an outer edge of the third bottom wall and extending toward the first housing, the third bottom wall and the fourth annular side wall enclosing the first accommodating space having the opening, and the atomizer is provided on the third bottom wall.

10. The humidifying device as claimed in claim 9, further comprising a third housing and a second fan assembly, the third housing being located on a side of the third bottom wall remote from the tank, the second fan assembly being disposed adjacent to the atomizer, the second fan assembly being located on a side of the third housing facing the third bottom wall, the second fan assembly being configured to blow air into the mist chamber to discharge the mist through the third annular side wall, the second annular side wall, the first mist passage member and the mist outlet.

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