A humidifying component and a heating device

By designing humidification components with water inlet, water storage, steps and outlet tubes, the problem of water overflow in the sink when users carry or place uneven grounds is solved, and the effect of automatic water stop and overflow prevention is achieved, improving the user experience.

CN112815433BActive Publication Date: 2025-06-17GREE ELECTRIC APPLIANCE INC OF ZHUHAI
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Patent Information

Application Number
CN202110151302.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-02-03
Publication Date
2025-06-17
Estimated Expiration
2041-02-03

AI Technical Summary

Technical Problem

When existing humidification components are carried or placed uneven ground, water in the sink is prone to overflow, resulting in poor user experience.

Method used

A humidification assembly is designed, including a sink, a sink cover and a water outlet tube. The sink is provided with a water inlet area and a water storage area. The water inlet area has a step and a first water channel. The sink cover has an inlet hole and an air pressure through hole. The outlet tube is in communication with the inlet hole. The distance between the step away from the sink and the sink is smaller than the distance between the opening away from the end of the sink and the sink.

Benefits of technology

When users carry or place uneven grounds, the inclined water level in the water inlet area automatically seals the outlet of the water tank to prevent the water tank from continuously supplying water to the water inlet area, preventing water from overflowing in the water tank and improving user experience.

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Abstract

The present invention discloses a humidifying component and a heating device. The humidifying component includes: a water tank, a water tank cover adapted to cover the water tank; an embedding hole adapted for the water outlet of the water tank to be embedded is further provided on the water tank cover; a water outlet cylinder disposed on a side of the water tank cover close to the water tank and communicating with the embedding hole; an opening is provided at one end of the water outlet cylinder close to the water tank; the distance between one end of the step away from the water tank and the water tank is less than the distance between one end of the opening away from the water tank and the water tank. With such a setting, when the user lifts or moves the whole machine or places it on an uneven desktop or ground, the inclined water level in the water inlet area can automatically seal the water outlet of the water tank. Under the action of atmospheric pressure, the water tank realizes automatic water stop, preventing the water tank from continuously supplying water to the water inlet area from the water outlet and causing the water in the water tank to overflow.
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Description

Technical Field

[0001] The present invention relates to the technical field of household appliances, and particularly relates to a humidifying component and a heating device. Background Art

[0002] With the improvement of people's living standards, many intelligent appliances have entered people's daily lives. In the prior art, a humidifying device is added to a heating device. The general technical solution is to set a wet curtain made of non-woven fabric at the air inlet of the heating device. The wet curtain has a good self-absorbing effect. The water in the water tank is sucked up by a water-absorbing cotton to wet the wet curtain. When the heating device works, air passes through the wet curtain, taking away the water on the wet curtain and evaporating it to achieve humidification.

[0003] However, when the user performs a lifting action or places the heating device on an uneven tabletop or ground, the water in the water tank is prone to tilt to one side. After the liquid level overflows the water tank, water overflows, resulting in a poor user experience. Summary of the Invention

[0004] Therefore, the technical problem to be solved by the present invention is the problem that the water in the water tank is prone to overflow when the user performs a lifting action or places the heating device on an uneven tabletop or ground in the prior art, so as to provide a humidifying component and a heating device.

[0005] To achieve the above object, an embodiment of the present invention provides a humidifying component, which includes: a water tank, the water tank includes a water inlet area, and the water inlet area is adapted to communicate with the water outlet of a water tank; a first water channel surrounded by a retaining rib is arranged in the water inlet area, and a step is arranged at one end of the first water channel close to the water inlet area; a water tank cover adapted to cover the water tank; an embedding hole adapted for the water outlet of the water tank to be embedded is further arranged on the water tank cover; a water outlet cylinder arranged on the side of the water tank cover close to the water tank and communicated with the embedding hole; an opening is arranged at one end of the water outlet cylinder close to the water tank; the distance between the end of the step far from the water tank and the water tank is less than the distance between the end of the opening far from the water tank and the water tank.

[0006] Optionally, the water tank further includes a water storage area, and a retaining rib is arranged between the water storage area and the water inlet area; a notch is arranged at one end of the retaining rib close to the water tank cover, and the notch is adapted to communicate the water inlet area and the water storage area; the distance between the bottom end of the notch and the water tank is greater than or equal to the distance between the water inlet and the water tank.

[0007] Optionally, the water tank cover is provided with a placement groove adapted to place a wet curtain, and a plurality of through holes are arranged in the placement groove, and the through holes are adapted to insert water-absorbing cotton.

[0008] Optionally, a first water channel surrounded by the retaining ribs is provided in the water inlet area, and at least one of the notches is formed in the first water channel.

[0009] Optionally, a plurality of first receiving grooves are provided on at least one side of the first water channel, and the first receiving grooves are adapted to place absorbent cotton.

[0010] Optionally, a second water channel is further provided in the water tank, and the second water channel is communicated with the water inlet area.

[0011] Optionally, a second receiving groove is provided at one end of the second water channel away from the water inlet area, and the second receiving groove is adapted to place absorbent cotton.

[0012] Optionally, a plurality of third receiving grooves are provided in the water storage area, the third receiving grooves are communicated with the water storage area, and the third receiving grooves are adapted to place absorbent cotton.

[0013] Optionally, a first ventilation cavity adapted to discharge air is formed in the water tank, and the first water channel is arranged along the outer periphery of the first ventilation cavity; a second ventilation cavity adapted to discharge air is formed in the placement groove of the water tank cover, and the through hole is arranged on the outer periphery of the second ventilation cavity.

[0014] Optionally, a top column is provided in the water inlet area, and a water valve adapted to cooperate with the top column is provided at the water outlet of the water tank; the water valve is opened when the top column jacks up the valve body of the water valve, and is closed when the top column does not act on the valve body.

[0015] Optionally, the water tank cover is hermetically connected to the water tank, and an air pressure through hole is provided on the water tank cover, one end of the air pressure through hole is communicated with the water tank, and the other end is communicated with the outside.

[0016] Optionally, it further includes: a water absorption sheet laid on the through hole of the placement groove.

[0017] An embodiment of the present invention further provides a heating device, and the heating device includes: the humidifying component as described in any one of the above embodiments.

[0018] Compared with the prior art, the technical solution of the present invention has the following advantages:

[0019] 1. An embodiment of the present invention provides a humidifying component, which includes: a water tank, the water tank includes a water inlet area, the water inlet area is suitable for being connected to the water outlet of a water tank; the water inlet area is provided with a first water channel surrounded by the retaining ribs, and the first water channel is provided with a step at one end close to the water inlet area; a water tank cover is suitable for covering the water tank; the water tank cover is also provided with an embedding hole suitable for the water outlet of the water tank to be embedded; a water outlet cylinder is provided on a side of the water tank cover close to the water tank and connected to the embedding hole; an opening is provided at one end of the water outlet cylinder close to the water tank; the distance between the end of the step away from the water tank and the water tank is smaller than the distance between the end of the opening away from the water tank and the water tank.

[0020] With this arrangement, when the user lifts the entire machine or places it on an uneven table or ground, the inclined water level in the water inlet area can automatically seal the water outlet of the water tank. Under the action of atmospheric pressure, the water tank automatically stops water, preventing the water tank from continuously supplying water from the water outlet to the water inlet area, causing the water tank to overflow.

[0021] 2. In the embodiment of the present invention, a notch is provided at one end of the retaining rib close to the water tank cover, and the notch is suitable for connecting the water inlet area and the water storage area. With such a configuration, when the water inlet area is full during normal operation, when the user lifts the whole machine or places it on an uneven table or ground, water will flow from the water inlet area through the notch into the water storage area, and the water storage area will store the overflowed water, thereby preventing the liquid level from being higher than the absorbent cotton after the water is tilted, causing overflow from the absorbent cotton, thereby achieving the effect of preventing overflow.

[0022] 3. If water stopping is required when the water volume in the water inlet area is the same, a longer waterway is required to achieve this. The embodiment of the present invention can increase the water storage height of the water inlet area by setting steps, thereby shortening the length in the water flow direction, achieving water stopping in advance, and reducing the volume of the humidification component.

[0023] 4. In the embodiment of the present invention, a second containing tank is arranged in the second water channel, and absorbent cotton can be placed in the second containing tank. When it is not in use but there is water in the water inlet area, the absorbent cotton can absorb the remaining water in the water inlet area to prevent the water in the water inlet area from not drying up for a long time, which will lead to the growth of bacteria and the generation of odor.

[0024] 5. In the embodiment of the present invention, a third receiving tank is provided. When the user lifts the whole machine or places it on an uneven table or ground, water will flow from the water inlet area through the notch into the water storage area. After the overflowing water is stored in the water storage area, the absorbent cotton in the third receiving tank can flow into the water in the water storage area to absorb the water, thereby preventing the water from not drying up for a long time, causing the growth of bacteria and the generation of odor. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0026] Figure 1 It is a schematic diagram of the overall structure of the humidification component in the embodiment of the present invention;

[0027] Figure 2 It is a top view of the water tank in the embodiment of the present invention;

[0028] Figure 3 It is a perspective view of the water tank in the embodiment of the present invention;

[0029] Figure 4 It is a perspective view of the embodiment of the present invention in another direction;

[0030] Figure 5 It is a cross-sectional view of the water tank in the embodiment of the present invention in the A-A direction;

[0031] Figure 6 It is a top view of the humidification component in the embodiment of the present invention;

[0032] Figure 7 It is a schematic diagram of the water tank cover in the first direction in the embodiment of the present invention;

[0033] Figure 8 It is a schematic diagram of the water tank cover in the second direction in the embodiment of the present invention;

[0034] Figure 9 It is a cross-sectional view of the humidification component in the embodiment of the present invention;

[0035] Figure 10 It is a schematic diagram of the humidification component in the length direction in the embodiment of the present invention;

[0036] Figure 11 It is a schematic diagram of the humidification component in the width direction in the embodiment of the present invention.

[0037] Reference numerals:

[0038] 1 - wet curtain; 2 - water absorption sheet;

[0039] 3 - water tank cover; 301 - embedding hole; 302 - air pressure through hole; 303 - through hole; 304 - second ventilation cavity;

[0040] 4 - Absorbent cotton; 5 - Water tank; 501 - Water inlet area; 502 - Step; 503 - First water channel; 504 - Second water channel; 505 - Second receiving groove; 506 - First receiving groove; 507 - Third receiving groove; 508 - Water storage area; 509 - Top post; 510 - Notch; 511 - Baffle rib; 512 - First ventilation cavity;

[0041] 6 - Water tank; 601 - Valve core; 602 - Valve body; 603 - Sealing gasket; 604 - Sealing cover; 605 - Sealing ring;

[0042] 7 - Water outlet tube; 701 - Opening. Detailed implementation manners

[0043] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts fall within the protection scope of the present invention.

[0044] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation of the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0045] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can also be the communication inside two elements. It can be a wireless connection or a wired connection. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0046] In addition, the technical features involved in different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0047] With the improvement of people's living standards, many intelligent appliances have entered people's daily lives. In the prior art, a humidifying device has been added to the heating device. The general technical solution is to set a wet curtain made of non-woven fabric at the air inlet of the heating device. The wet curtain has a good self-absorbing effect. The water in the water tank is sucked up by the absorbent cotton to wet the wet curtain. When the heating device works, the air passes through the wet curtain, takes away the water on the wet curtain and evaporates it to achieve humidification. However, when the user moves or places the heating device on an uneven tabletop or ground, the water in the water tank is likely to tilt to one side. After the liquid level overflows the water tank, the water will overflow. This makes the user experience poor.

[0048] Therefore, the technical problem to be solved by the present invention is the problem that the water in the water tank is likely to overflow in the prior art when the user moves or places the heating device on an uneven tabletop or ground, so as to provide a humidifying component and a heating device.

[0049] Embodiment 1

[0050] As Figures 1 to 11 shown, the embodiment of the present invention provides a humidifying component, which includes: a water tank 5, a water tank cover 3 and a water outlet cylinder 7.

[0051] In the embodiment of the present invention, the water tank 5 includes a water inlet area 501 and a water storage area 508. The water inlet area 501 is adapted to communicate with the water outlet of the water tank 6. The water inlet area 501 is provided with a first water channel 503 surrounded by the retaining ribs 511. At one end close to the water inlet area 501, the first water channel 503 is provided with a step 502. The water tank cover 3 is adapted to cover the water tank 5. The water tank cover 3 is also provided with an embedding hole 301 adapted to embed the water outlet of the water tank 6. The water outlet cylinder 7 is arranged on the side of the water tank cover 3 close to the water tank 5 and communicates with the embedding hole 301. One end of the water outlet cylinder 7 close to the water tank 5 is provided with an opening 701. The distance between the end of the step 502 far from the water tank 5 and the water tank 5 is less than the distance between the end of the opening 701 far from the water tank 5 and the water tank 5. As Figure 5 and Figure 9 shown, the distance between the end of the step 502 far from the water tank 5 and the water tank 5 is H3, 0 < H3 < 10 mm. The distance between the end of the opening 701 far from the water tank 5 and the water tank 5 is H1.

[0052] With such a setting, when the user moves the whole machine or places it on an uneven tabletop or ground, the inclined water level in the water inlet area 501 can automatically seal the water outlet of the water tank 6. Under the action of atmospheric pressure, the water tank 6 realizes automatic water stop, preventing the water tank 6 from continuously supplying water to the water inlet area 501 from the water outlet, resulting in the water in the water tank 5 overflowing. Specifically, as Figure 10As shown, when the user tilts in the length direction, the step 502 and the water outlet of the water tank cover 3 form a water-stop angle a, where 0° < a < 60°. As Figure 11 shown, when the user tilts in the width direction, the step 502 and the water outlet of the water tank cover 3 form a water-stop angle b, where 0° < b < 60°. Water can flow back to the water inlet area 501 in other directions, and the water inlet of the water tank 5 seals the notch to form water-stop. By providing the step 502 in the embodiment of the present invention, the water storage height of the water inlet area 501 can also be increased, thereby reducing the volume of the humidifying component.

[0053] Optionally, in some embodiments of the present invention, as Figures 2 to 4 shown, the water tank 5 further includes a water storage area 508, and a retaining rib 511 is provided between the water storage area 508 and the water inlet area 501. The retaining rib 511 is provided with a notch 510 at one end close to the water tank cover 3, and the notch 510 is adapted to communicate the water inlet area 501 and the water storage area 508. The distance between the bottom end of the notch 510 and the water tank 5 is greater than or equal to the distance between the water inlet and the water tank 5.

[0054] The water tank cover 3 is provided with a placement groove adapted to place the wet curtain 1, and a plurality of through holes 303 are provided in the placement groove. The through holes 303 are adapted to insert the absorbent cotton 4. The absorbent cotton 4 and the through holes 303 are in a slightly interference fit.

[0055] As a preferred embodiment, the water inlet area 501 is provided with a first water channel 503 surrounded by the retaining rib 511, and at least one notch 510 is provided on the first water channel 503. A plurality of first receiving grooves 506 are provided on at least one side of the first water channel 503, and the first receiving grooves 506 are adapted to place the absorbent cotton 4.

[0056] In the embodiment of the present invention, by providing the notch 510 at one end of the retaining rib 511 close to the water tank cover 3, the notch 510 is adapted to communicate the water inlet area 501 and the water storage area 508. With this setting, since the water in the water inlet area 501 is full during normal operation, when the user lifts the whole machine or places it on an uneven table or ground, the water will flow from the water inlet area 501 into the water storage area 508 through the notch 510, and the water storage area 508 will store the overflowed water, thereby preventing the liquid level from being higher than the absorbent cotton 4 after tilting and causing overflow from the absorbent cotton 4. Therefore, the function of preventing water overflow can be achieved.

[0057] Of course, those skilled in the art can change the setting quantity and setting position of the first receiving grooves 506 according to the actual situation. This embodiment is only an example and is not limited. As long as the same function can be achieved.

[0058] Optionally, in some embodiments of the present invention, the water tank 5 is further provided with a second water channel 504, and the second water channel 504 is connected to the water inlet area 501. A second receiving tank 505 is provided at one end of the second water channel 504 away from the water inlet area 501, and the second receiving tank 505 is suitable for placing absorbent cotton 4.

[0059] The embodiment of the present invention provides a second containing tank 505 in the second water channel 504, and absorbent cotton 4 can be placed in the second containing tank 505. When not in use but there is water in the water inlet area 501, the absorbent cotton 4 can absorb the remaining water in the water inlet area 501 to prevent the water in the water inlet area 501 from not drying up for a long time, which leads to the growth of bacteria and the generation of odor.

[0060] Optionally, in some embodiments of the present invention, the water storage area 508 is provided with a plurality of third receiving grooves 507 , the third receiving grooves 507 are communicated with the water storage area 508 , and the third receiving grooves 507 are suitable for placing absorbent cotton 4 .

[0061] The embodiment of the present invention provides a third receiving groove 507. When the user lifts the entire machine or places it on an uneven table or ground, water will flow from the water inlet area 501 through the notch 510 into the water storage area 508. After the water storage area 508 stores the overflowed water, the absorbent cotton 4 in the third receiving groove 507 can flow into the water storage area 508 to absorb the water, thereby preventing the water from not drying up for a long time, which will lead to the growth of bacteria and the generation of odor.

[0062] Specifically, in the embodiment of the present invention, the water tank 5 is provided with a first ventilation cavity 512 suitable for air outlet, and the first water channel 503 is arranged along the outer periphery of the first ventilation cavity 512; the water tank cover 3 is provided with a second ventilation cavity 304 suitable for air outlet in the placement groove, and the through hole 303 is arranged on the outer periphery of the second ventilation cavity 304.

[0063] The water inlet area 501 is provided with a top column 509, and the water outlet of the water tank 6 is provided with a water valve suitable for cooperating with the top column 509; the water valve opens when the top column 509 lifts the valve body 602 of the water valve, and closes when the top column 509 does not act on the valve body 602.

[0064] Specifically, after the user fills the water tank 6 with water, the water tank 6 is placed on the sink cover 3 through the embedding hole 301 of the sink cover 3, and the top column 509 of the water inlet area 501 will lift the valve body 602 of the water valve, so that the water tank 6 can replenish water to the water inlet area 501 through the water valve at the water outlet. The valve core 601 of the water valve is a spring valve core 601, so when the top column 509 lifts the valve body 602, the spring valve core 601 moves up and the water valve is opened; when the water tank 6 is moved away, the spring valve core 601 returns to its original position and the water valve is automatically closed.

[0065] The water tank 6 further includes a sealing gasket 603, a sealing cover 604, and a sealing ring 605. The edge of the sealing cover 604 is provided with a groove, and the center is provided with a boss. The sealing ring 605 is sleeved in the groove on the sealing cover 604, and the sealing gasket 603 is sleeved on the boss of the sealing cover 604. The sealing cover 604 presses the sealing gasket 603 through the water tank 6 to form a sealing effect.

[0066] Optionally, in some embodiments of the present invention, the water tank cover 3 is hermetically connected to the water tank 5. The water tank cover 3 is provided with a pneumatic through hole 302. One end of the pneumatic through hole 302 communicates with the water tank 5, and the other end communicates with the outside. The water tank cover 3 and the water tank 5 can be ultrasonically welded, or glued, or integrally formed, or a sealing gasket 603 is added to form a closed cavity between the two, so as to prevent water from overflowing from the periphery.

[0067] Of course, this embodiment is only an example and is not restrictive. Those skilled in the art can change the sealing method of the water tank cover 3 and the water tank 5 according to the actual situation as long as the same technical effect can be achieved.

[0068] Optionally, in some embodiments of the present invention, the humidifying component further includes a water absorption sheet 2, which is laid on the through hole 303 of the placement groove.

[0069] Embodiment 2

[0070] The embodiment of the present invention further provides a heating device, which includes: the humidifying component as described in any one of the above embodiments.

[0071] Obviously, the above embodiments are only examples for clear illustration and are not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation manners here. And the obvious changes or modifications derived therefrom are still within the protection scope of the present invention.

Claims

1. A humidifying component, characterized in that, Comprising: A water tank, the water tank including a water inlet area adapted to communicate with the water outlet of a water tank; a first water channel surrounded by a retaining rib is provided in the water inlet area, and a step is provided at one end of the first water channel close to the water inlet area; A water tank cover adapted to cover the water tank; an embedding hole adapted for the water outlet of the water tank to be embedded is further provided on the water tank cover; A water outlet cylinder provided on the side of the water tank cover close to the water tank and communicating with the embedding hole; an opening is provided at one end of the water outlet cylinder close to the water tank; The distance between the end of the step away from the water tank and the water tank is less than the distance between the end of the opening away from the water tank and the water tank; The water tank further includes a water storage area, and the retaining rib is provided between the water storage area and the water inlet area; A notch is provided at one end of the retaining rib close to the water tank cover, and the notch is adapted to communicate the water inlet area and the water storage area; 2. The humidifying component according to claim 1, characterized in that, The water tank cover is provided with a placement groove adapted to place a wet curtain, and a plurality of through holes are provided in the placement groove, and the through holes are adapted to insert absorbent cotton; 3. The humidifying component according to claim 2, characterized in that, A first water channel surrounded by the retaining rib is provided in the water inlet area, and at least one notch is opened on the first water channel; 4. The humidifying component according to claim 3, characterized in that, A plurality of first accommodation grooves are provided on at least one side of the first water channel, and the first accommodation grooves are adapted to place absorbent cotton; 5. The humidifying component according to any one of claims 1 to 4, characterized in that, A second water channel is further provided in the water tank, and the second water channel communicates with the water inlet area; 6. The humidifying component according to claim 5, characterized in that, A second accommodation groove is provided at one end of the second water channel away from the water inlet area, and the second accommodation groove is adapted to place absorbent cotton; 7. The humidifying component according to any one of claims 2 to 4, characterized in that, A plurality of third accommodation grooves are provided in the water storage area, the third accommodation grooves communicate with the water storage area, and the third accommodation grooves are adapted to place absorbent cotton; 8. The humidifying component according to claim 7, characterized in that, The water tank is provided with a first ventilation cavity adapted to discharge air, and the first water channel is provided along the outer periphery of the first ventilation cavity; The water tank cover is provided with a second ventilation cavity adapted to discharge air in the placement groove, and the through holes are provided on the outer periphery of the second ventilation cavity; 9. The humidifying component according to any one of claims 1 to 4, characterized in that, A top column is provided in the water inlet area, and a water valve adapted to cooperate with the top column is provided at the water outlet of the water tank; the water valve is opened when the top column jacks up the valve body of the water valve and is closed when the top column does not act on the valve body; 10. The humidifying component according to any one of claims 1 to 4, characterized in that, The water tank cover is hermetically connected to the water tank, and an air pressure through hole is provided on the water tank cover, one end of the air pressure through hole communicates with the water tank, and the other end communicates with the outside; 11. The humidifying component according to any one of claims 2 to 4, characterized in that, Further comprising: An absorbent sheet laid on the through holes of the placement groove; 12. A heating device, characterized in that, Comprising: The humidification assembly according to any one of claims 1-11.

Citation Information

Patent Citations

  • Humidifying assembly and heating device

    CN214746195U