阅读说明：本技术 一种加湿器的自动加湿装置及除尘装置 (Automatic humidification device and dust collector of humidifier ) 是由 朱虹 林振华 侯剑飞 于 2021-09-02 设计创作，主要内容包括：本发明公开了一种加湿器的自动加湿装置及除尘装置,所述除尘装置,包括主动齿轮、减速齿轮和集尘盒,所述主动齿轮与所述减速齿轮圈啮合,所述减速齿轮圈的上端面固定设有转轴,所述转轴的中间位置固定设有连接杆,所述连接杆的端部固定设有集尘器,所述转轴的上端部旋转连接有支撑杆,主动轮转动,由于主动轮转速过大,降速齿轮起到了降低角速度的作用,带动转轴转动,进一步带动连接杆转动,带动集尘盒在地面旋转运动,收集被水汽沉降的灰尘。(The invention discloses an automatic humidifying device of a humidifier and a dust removing device, wherein the dust removing device comprises a driving gear, a reduction gear and a dust collecting box, the driving gear is meshed with the reduction gear ring, a rotating shaft is fixedly arranged on the upper end surface of the reduction gear ring, a connecting rod is fixedly arranged in the middle of the rotating shaft, a dust collector is fixedly arranged at the end part of the connecting rod, a supporting rod is rotatably connected to the upper end part of the rotating shaft, the driving wheel rotates, and the reduction gear plays a role of reducing the angular speed due to the fact that the rotating speed of the driving wheel is too high, drives the rotating shaft to rotate, further drives the connecting rod to rotate, drives the dust collecting box to rotate on the ground, and collects dust precipitated by water vapor.)

1. A dust collector, its characterized in that: including driving gear, reduction gear and dust collection box, the driving gear with reduction gear encloses the meshing, the fixed pivot that is equipped with of up end of reduction gear circle, the fixed connecting rod that is equipped with in intermediate position of pivot, the end fixing of connecting rod is equipped with the dust arrester, the upper end swivelling joint of pivot has the bracing piece.

2. A dust removing apparatus according to claim 1, wherein: the dust collector comprises a dust collecting box, the bottom of the dust collecting box is provided with a dust collecting hole, and the lower section of the dust collecting box is provided with bristles.

3. Automatic humidification device of humidifier, its characterized in that: comprises the dust removing device of claim 1, a water tank and an atomizer arranged inside the water tank; the atomizing pipe is arranged at the top of the atomizer, and an air exhaust assembly for sucking water mist generated by the atomizer is arranged outside the atomizing pipe; the flow dividing assembly is arranged at the top end of the air extracting assembly and is used for spirally sending out the water mist conveyed by the air extracting assembly; the backflow component is arranged at one end of the air exhaust component, and a part of water mist spirally sent out by the flow dividing component sinks is captured by the backflow component and flows back to the inside of the water tank.

4. An automatic humidifying device of a humidifier according to claim 3, wherein: the air exhaust assembly comprises an air inlet pipe arranged on the outer side of the atomizing pipe and an air outlet pipe arranged at the top of the air inlet pipe; the piston is arranged in the air inlet pipe and moves back and forth in the horizontal direction, a push rod is arranged on one side, away from the atomizing pipe, of the piston, and the push rod drives the piston to move back and forth.

5. The automatic humidifying device of a humidifier according to claim 4, wherein: the bottom of push rod is provided with rotates the cover, the bottom of push rod is provided with the cam, and the top of cam is provided with the spacing groove, rotates the cover and establishes in the spacing inslot portion, and the rotation through the cam drives the push rod and is reciprocal linear motion on the horizontal direction.

6. The automatic humidifying device of a humidifier according to claim 4, wherein: be provided with first check valve between atomizing pipe and the intake pipe for the inside water smoke of atomizing pipe flows to intake pipe inside unidirectionally, be provided with the second check valve between intake pipe and the outlet duct for the inside water smoke of intake pipe flows to inside the outlet duct unidirectionally.

7. An automatic humidifying device of a humidifier according to claim 5, wherein: the cam is provided with an extrusion part and a pull-back part, the extrusion part drives the push rod to move towards one side close to the atomizing pipe, and the pull-back part drives the push rod to move towards one side far away from the atomizing pipe.

8. The automatic humidifying device of a humidifier according to claim 7, wherein: the driving assembly is arranged on the outer side of the water tank and drives the cam to rotate continuously, and the driving assembly comprises a motor arranged on the outer side of the water tank and a transmission shaft arranged at the output end of the motor; the lantern ring is fixedly arranged at the bottom of the cam; and the belt is arranged on the outer sides of the lantern ring and the transmission shaft.

9. The automatic humidifying device of a humidifier according to claim 8, wherein: the transmission shaft upwards extends to form an extension shaft, and the extension shaft is fixedly connected with the middle position of the driving wheel.

10. An automatic humidifying device of a humidifier according to claim 3, wherein: the inner wall of reduction gear circle is equipped with the blade, the anticlockwise setting of blade.

Technical Field

The invention relates to the technical field of humidifiers, in particular to an automatic humidifying device of a humidifier.

Background

A humidifier is a household appliance that increases the humidity of a room. The humidifier can humidify a designated room and can also be connected with a boiler or a central air-conditioning system to humidify the whole building, the development of the humidifier industry in China has a history of nearly 20 years, and the function and the effect of the humidifier, a relatively strange small household appliance, are gradually accepted through the popularization of air quality concepts, the research and development of products and the market cultivation for many years.

Existing equipment adopts rotatory flabellum to drive the water smoke and upwards flows when water smoke blowout, and then the diffusion carries out the humidification in the air, but this structure leads to the diffusion range of water smoke narrower to can not be to the all-round humidification in space, this structure spun water smoke, at the position water smoke density that is nearer from the humidifier high, can have some water smoke the phenomenon that sinks to appear, adopt the condenser pipe to retrieve and can not catch water smoke on a large scale.

A large amount of dust is accumulated around the humidifier in the prior art due to water vapor sedimentation, so that the humidifier is not favorable for sanitation.

Therefore, it is necessary to provide an automatic humidifying device of a humidifier to solve the above technical problems.

Disclosure of Invention

The invention aims to provide an automatic humidifying device of a humidifier, which aims to solve the problems that in the background technology, rotating fan blades are adopted to drive water mist to flow upwards and further diffuse in air for humidification, so that the diffusion range of the water mist is narrow, and the space cannot be humidified in all directions, and further solve the problems that the water mist sprayed by the structure is high in water mist density at a position close to the humidifier, so that some water mist sinks, the water mist cannot be captured in a large range by recycling through a condensation pipe, and a large amount of dust is accumulated around the humidifier due to water vapor sedimentation, so that sanitation is not facilitated.

In order to achieve the purpose, the invention provides the following technical scheme: the automatic humidifying device of the humidifier comprises a water tank and an atomizer arranged in the water tank; set up in the atomizing pipe at atomizer top, its characterized in that:

the utility model provides a dust collector, includes driving gear, reduction gear and dust collection box, the driving gear with the meshing of reduction gear circle, the fixed pivot that is equipped with of up end of reduction gear circle, the fixed connecting rod that is equipped with in intermediate position of pivot, the end fixing of connecting rod is equipped with the dust arrester, the upper end swivelling joint of pivot has the bracing piece, and the action wheel rotates, because the action wheel rotational speed is too big, and the reduction gear has played the effect that reduces angular velocity, drives the pivot and rotates, further drives the connecting rod and rotates, drives the dust collection box at ground rotary motion, collects the dust that is subsided by steam.

Preferably, the dust collector comprises a dust collecting box, the bottom of the dust collecting box is provided with a dust collecting hole, and the lower section of the dust collecting box is provided with bristles.

The automatic humidifying device of the humidifier comprises the dust removal device, a water tank and an atomizer arranged in the water tank; the atomizing pipe is arranged at the top of the atomizer, and an air exhaust assembly for sucking water mist generated by the atomizer is arranged outside the atomizing pipe; the flow dividing assembly is arranged at the top end of the air extracting assembly and is used for spirally sending out the water mist conveyed by the air extracting assembly; the backflow component is arranged at one end of the air exhaust component, and a part of water mist spirally sent out by the flow dividing component sinks is captured by the backflow component and flows back to the inside of the water tank.

Preferably, the air exhaust assembly comprises an air inlet pipe arranged on the outer side of the atomizing pipe and an air outlet pipe arranged at the top of the air inlet pipe; the piston is arranged in the air inlet pipe and moves back and forth in the horizontal direction, a push rod is arranged on one side, away from the atomizing pipe, of the piston, and the push rod drives the piston to move back and forth.

Preferably, the bottom of push rod is provided with rotates the cover, the bottom of push rod is provided with the cam, and the top of cam is provided with the spacing groove, rotates the cover and establishes in the spacing inslot portion, and the rotation through the cam drives the push rod and is reciprocal linear motion in the horizontal direction.

Preferably, a first check valve is arranged between the atomizing pipe and the air inlet pipe and used for enabling water mist inside the atomizing pipe to flow to the inside of the air inlet pipe in a one-way mode, and a second check valve is arranged between the air inlet pipe and the air outlet pipe and used for enabling water mist inside the air inlet pipe to flow to the inside of the air outlet pipe in a one-way mode.

Preferably, the cam is provided with a squeezing part and a pull-back part, the squeezing part drives the push rod to move towards one side close to the atomizing pipe, and the pull-back part drives the push rod to move towards one side far away from the atomizing pipe.

Preferably, a driving assembly is arranged on the outer side of the water tank, the driving assembly drives the cam to rotate continuously, and comprises a motor arranged on the outer side of the water tank and a transmission shaft arranged at the output end of the motor; the lantern ring is fixedly arranged at the bottom of the cam; and the belt is arranged on the outer sides of the lantern ring and the transmission shaft.

Preferably, the transmission shaft extends upwards to form an extension shaft, and the extension shaft is fixedly connected with the middle position of the driving wheel.

Preferably, the inner wall of reduction gear circle is equipped with the blade, the anticlockwise setting of blade, dust collector's operation and humidification device combine organically, collect the dust that is subsided by steam around the humidifier when the humidification, and the setting of blade further diffuses steam, plays the effect that increases humidity.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the reflow assembly of the present invention;

FIG. 3 is a schematic view of the cam and pushrod configuration of the present invention;

FIG. 4 is a schematic view of a draft tube and a second jet structure of the present invention;

FIG. 5 is a schematic view of the piston and intake tube configuration of the present invention;

FIG. 6 is a schematic view of the structure of the inlet and outlet tubes of the present invention;

FIG. 7 is a schematic view of the internal construction of the annular return tank of the present invention;

FIG. 8 is a front view of the present invention;

FIG. 9 is an enlarged view of portion A of FIG. 2 in accordance with the present invention;

FIG. 10 is an enlarged view of the portion B of FIG. 7 in accordance with the present invention;

FIG. 11 is a schematic view of the main structure of the dust removing device of the present invention;

FIG. 12 is a cross-sectional view of section C of FIG. 11 in accordance with the present invention;

fig. 13 is a principal structural schematic diagram of the reduction gear ring of the present invention.

In the figure: 1. a water tank; 2. an atomizer; 3. an atomizing tube; 4. an air extraction assembly; 5. an air inlet pipe; 6. an air outlet pipe; 7. a flow diversion assembly; 8. a first check valve; 9. a second one-way valve; 10. a piston; 11. a push rod; 12. rotating the sleeve; 13. a cam; 131. a pressing section; 132. a pull-back section; 14. a limiting groove; 15. a drive assembly; 16. a motor cover; 17. a drive shaft; 18. a collar; 19. a belt; 20. a reflow assembly; 21. an annular return tank; 22. a cover plate; 23. a return pipe; 24. a third check valve; 25. air holes; 26. a diverter tray; 27. a rotating shaft; 28. a driving blade; 29. a first jet pipe; 30. closing the plate; 31. a shunt slot; 32. a connecting rod; 33. a flow guide pipe; 34. a second jet pipe; 35. a dust removal device; 351. a driving gear; 352. a reduction gear ring; 353; an extension rod; 354. a rotating shaft; 355. a connecting rod; 356. a support bar; 357. a blade; 358. a dust collecting box; 359. a dust collection hole; 3510. and (3) brush hairs.

Detailed Description

The utility model provides a dust collector, includes driving gear 351, reduction gear 352 and dust collection box 358, driving gear 351 with reduction gear circle 352 meshes, the fixed pivot 354 that is equipped with of up end of reduction gear circle 352, the fixed connecting rod 355 that is equipped with of intermediate position of pivot 354, the end fixing of connecting rod 355 is equipped with the dust arrester, the upper end swivelling joint of pivot 354 has bracing piece 356, and the action wheel rotates, because the action wheel rotational speed is too big, and the reduction gear has played the effect that reduces angular velocity, drives the pivot and rotates, further drives the connecting rod and rotates, drives the dust collection box at ground rotary motion, collects the dust that is subsided by steam.

Specifically, the dust collector comprises a dust collection box 358, a dust suction hole 359 is formed at the bottom of the dust collection box 358, and bristles 3510 are arranged on the lower section of the dust collection box 358.

Specifically, the automatic humidifying device of the humidifier comprises a dust removal device 35, a water tank 1 and an atomizer 2 arranged in the water tank 1, wherein an atomizing pipe 3 is arranged at the top of the atomizer 2, the atomizing pipe 3 is communicated with the water tank 1, and a plurality of air exhaust assemblies 4 are arranged outside the atomizing pipe 3; the air exhaust assembly 4 comprises an air inlet pipe 5 arranged on the outer side of the atomizing pipe 3 and an air outlet pipe 6 arranged on the top of the air inlet pipe 5, and the air outlet pipe 6 is communicated with the air inlet pipe 5; the air extracting assembly 4 sucks the water mist formed in the atomizing pipe 3 into the air inlet pipe 5 and discharges the water mist through the air outlet pipe 6; and a flow dividing assembly 7 arranged at the top of the air outlet pipe 6 and used for spirally delivering the water mist discharged from the air outlet pipe 6.

During the use, atomizer 2 atomizes the water in water tank 1 through vibrations, and let in to atomizing pipe 3 inside, can extract the inside water smoke of atomizing pipe 3 through subassembly 4 of bleeding and flow upwards, and then flow to intake pipe 5 inside, later can carry the water smoke to outlet duct 6 inside through subassembly 4 of bleeding, then get into to reposition of redundant personnel subassembly 7 inside through outlet duct 6, reposition of redundant personnel subassembly 7 sends out the water smoke spiral, can carry out the humidification to the air, and water smoke is that the spiral sends out, the scope of humidification is wider, and make water smoke more even in each distance department dispersedly through centrifugal force.

Further, be provided with first check valve 8 between atomizing pipe 3 and intake pipe 5 for the inside water smoke of atomizing pipe 3 can flow to intake pipe 5 inside unidirectionally, is provided with second check valve 9 between intake pipe 5 and outlet duct 6, makes the inside water smoke of intake pipe 5 can flow to outlet duct 6 inside unidirectionally.

During the use, can inhale to 5 insides in intake pipe with the inside water smoke of atomizing pipe 3 when subassembly 4 forward operation bleeds, and when subassembly 4 backward operation bleeds, can extrude the inside water smoke of intake pipe 5 to 6 departments of outlet duct, and then carry to 7 insides of reposition of redundant personnel subassembly.

Specifically, the air extraction assembly 4 further comprises a piston 10 arranged inside the air inlet pipe 5, a push rod 11 is arranged on one side, away from the atomizing pipe 3, of the piston 10, the push rod 11 is L-shaped, a rotating sleeve 12 is arranged at the bottom end of the push rod 11, a cam 13 is arranged at the bottom end of the push rod 11, a limiting groove 14 is arranged at the top of the cam 13, and the rotating sleeve 12 is arranged inside the limiting groove 14;

furthermore, the cam 13 is provided with a pressing portion 131 and a pulling portion 132, the pressing portion 131 drives the push rod 11 to move inward, and the pulling portion 132 drives the push rod 11 to move outward.

When the structure is used, the cam 13 rotates to drive the limiting groove 14 at the top of the cam 13 to rotate, the push rod 11 can be driven to move in the horizontal direction, the extrusion part 131 on the cam 13 can extrude the rotating sleeve 12 when contacting with the extrusion part, and then the push rod 11 is driven to move inwards, when the pull-back part 132 on the cam 13 moves to the rotating sleeve 12, the push rod 11 can be pulled outwards, the push rod 11 can be driven to move in the horizontal direction through the structure, and the rotating sleeve 12 at the bottom end of the push rod 11 can reduce the friction force between the push rod 11 and the cam 13, so that the push rod 11 is driven to move stably;

the piston 10 can be driven to slide in the air inlet pipe 5 by the movement of the push rod 11, when the piston 10 moves towards the right side, the pressure in the space on the left side of the piston 10 in the air inlet pipe 5 is reduced, the water mist in the atomizing pipe 3 can be enabled to enter the air inlet pipe 5, when the piston 10 moves towards the left side, the water mist in the air inlet pipe 5 can be pressed into the air outlet pipe 6, when the pull-back part 132 on the cam 13 is contacted with the push rod 11, the extrusion part 131 on the cam 13 is contacted with the other push rod 11, the push rod 11 around the outer side of the atomizing pipe 3 can run in a crossed manner, the water mist in the atomizing pipe 3 can be continuously and uninterruptedly flowed into the air inlet pipe 5, and the water mist can be continuously diffused towards the outer side through the flow dividing assembly 7.

Furthermore, a driving assembly 15 for driving the cam 13 to rotate is arranged on the outer side of the water tank 1, the driving assembly 15 comprises a motor arranged on the outer side of the water tank 1, and a transmission shaft 17 arranged on the output end of the motor; a belt wheel fixed on the top end of the transmission shaft 17; the lantern ring 18 is arranged at the bottom of the cam 13, the lantern ring 18 is fixedly connected with the cam 13, and the lantern ring 18 is rotatably connected with the water tank 1; a belt 19 disposed outside the collar 18 and the pulley.

During the use, drive transmission shaft 17 through the motor output and rotate, and transmission shaft 17 can drive the band pulley on its top and rotate, through the transmission of belt 19 for transmission shaft 17 can drive lantern ring 18 and rotate, and lantern ring 18 can drive the cam 13 rotation at its top, and then orders about push rod 11 and is reciprocal linear motion on the horizontal direction.

Specifically, a return flow assembly 20 is arranged at one end of the air inlet pipe 5 far away from the atomizing pipe 3, the return flow assembly 20 comprises an annular return flow box 21, an annular opening is arranged at the top of the annular return flow box 21, a cover plate 22 is arranged at the top of the annular return tank 21, the cover plate 22 is rotatably connected with the annular opening, a return pipe 23 is arranged on the top of the cover plate 22, the return pipe 23 penetrates through the cover plate 22 and extends to the interior of the annular return tank 21, the bottom end of the return pipe 23 is provided with a third one-way valve 24, so that the outside air can only flow from the return pipe 23 to the inside of the annular return tank 21 in a one-way manner, the top end of the return pipe 23 is arranged in a funnel shape, one side of the annular return tank 21, which is positioned at the air inlet pipe 5, is provided with a through air hole 25, so that the air inlet pipe 5 is communicated with the annular return tank 21, and one end of the air inlet pipe 5, which is far away from the atomizing pipe 3, penetrates through the annular return tank 21 and is communicated with the annular return tank 21.

During the use, when the inside piston 10 of intake pipe 5 moves left, make the inside pressure that is located piston 10 right side of intake pipe 5 reduce, can inhale outside air to back flow 23 inside under the effect of outside pressure this moment, and the top of back flow 23 sets up to leaking hopper-shaped, can increase the air admission volume, in the time of the in-service use, when the outside spiral of water smoke through reposition of redundant personnel subassembly 7 sends out, the water smoke gravity that is close to reposition of redundant personnel subassembly 7 is heavier, often the distance of outdiffusion is limited, then can sink under the action of gravity, flow to back flow 23 inside back flow 23 under the drive of air current just in time, and then flow back to annular return tank 21 inside through back flow 23, can retrieve sunken water smoke, reuse.

Specifically, reposition of redundant personnel subassembly 7 is including setting up in the reposition of redundant personnel 26 at atomizing pipe 3 top, outlet duct 6 runs through reposition of redundant personnel 26 and extends to inside the reposition of redundant personnel 26, the inside bottom of reposition of redundant personnel 26 is rotated and is connected with pivot 27, the pivot 27 outside is provided with drive blade 28, outlet duct 6 top is provided with first jet-propelled pipe 29, first jet-propelled pipe 29 sets up to circular-arcly and aligns with drive blade 28, make from outlet duct 6 spun water smoke can drive blade 28 and rotate, top at pivot 27 is provided with shrouding 30, form splitter box 31 between shrouding 30 and the reposition of redundant personnel 26, make water smoke can be seen off by the spiral through splitter box 31.

When the water mist spraying device is used, the water mist flowing out of the air outlet pipe 6 can drive the driving blades 28 to rotate, further drive the rotating shaft 27 to rotate, the rotating shaft 27 can drive the sealing plate 30 at the top of the rotating shaft to rotate, and the water mist sprayed out of the first spraying pipe 29 can flow out through the flow dividing groove 31 and further be dispersed in the air.

Further, a connecting rod 32 is provided between the return pipe 23 and the closing plate 30.

When the rotating shaft 27 drives the sealing plate 30 to rotate, the sealing plate 30 can drive the connecting rod 32 to rotate, the connecting rod 32 can drive the return pipe 23 and the cover plate 22 at the bottom of the return pipe to rotate around the atomizing pipe 3, the return pipe 23 can rotate to comprehensively recover water mist sent out from the return tank through the structure, and the water mist which is scattered outside the diverter tray 26 and sinks can be better recovered to the inside of the annular return tank 21 through the return pipe 23.

As shown in fig. 4, a flow guide pipe 33 is provided at the bottom end of the annular return tank 21, the top end of the flow guide pipe 33 penetrates through the annular return tank 21 and communicates with the annular return tank 21, the bottom end of the flow guide pipe 33 penetrates through the water tank 1 and extends to the outside of the atomizer 2, and a second jet pipe 34 is provided at the bottom end of the flow guide pipe 33.

During the use, when the inside piston 10 of intake pipe 5 moves to the right side, can compress the inside gas of annular return tank 21, on the one hand can flow back the inside water smoke of retrieving of annular return tank 21 to water tank 1 inside once more, on the other hand can move the air pressure to inside honeycomb duct 33, and then flow through the second jet flow pipe 34 of honeycomb duct 33 bottom, gas through second jet flow pipe 34 spun can form a large amount of bubbles in second jet flow pipe 34 department, and the theory of operation of atomizer 2 makes water form water smoke through vibrations, this structure forms the water smoke around atomizer 2, be favorable to the work of atomizer 2, make the effectual that produces the water smoke.

Specifically, in order to facilitate water supply to the inside of the water tank 1, a water supply pipe is arranged on the outer side of the water tank 1; the motor cover 16 is arranged on the outer side of the motor, so that the motor is convenient to mount and use.

Specifically, the transmission shaft 17 extends upward to form an extension shaft 353, and the extension shaft 353 is fixedly connected with the middle position of the driving wheel 351.

Specifically, the inner wall of the reduction gear ring 352 is provided with the blades 357, the blades 357 are arranged anticlockwise, the operation of the dust removal device is organically combined with the humidifying device, dust settled by water vapor around the humidifier is collected while humidification is performed, and the water vapor is further diffused by the blades, so that the effect of increasing humidity is achieved.

The working principle is as follows: the transmission shaft 17 is driven to rotate by the output end of the motor, the transmission shaft 17 can drive the belt wheel at the top end of the transmission shaft to rotate, the transmission shaft 17 can drive the lantern ring 18 to rotate by the transmission of the belt 19, the lantern ring 18 can drive the cam 13 at the top of the lantern ring to rotate, so as to drive the push rod 11 to do reciprocating linear motion in the horizontal direction, the piston 10 can be driven to slide in the air inlet pipe 5 by the motion of the push rod 11, when the piston 10 moves towards the right side, the pressure intensity of the space in the left side of the piston 10 in the air inlet pipe 5 is reduced, the water mist in the atomizing pipe 3 can enter the air inlet pipe 5, when the piston 10 moves towards the left side, the water mist in the air inlet pipe 5 can be pressed into the air outlet pipe 6, when the pull-back part 132 on the cam 13 is in contact with the push rod 11, the extrusion part 131 on the cam 13 is in contact with the other push rod 11, so that the push rods 11 around the outer side of the atomizing pipe 3 can run in a crossed way, further, the water mist in the atomizing pipe 3 can be continuously and uninterruptedly flowed into the air inlet pipe 5, so that the water mist can be continuously diffused outwards through the diversion trench 31 between the diversion disc 26 and the closing plate 30, when the piston 10 in the air inlet pipe 5 moves leftwards, the pressure on the right side of the piston 10 in the air inlet pipe 5 is reduced, at this time, the external air can be sucked into the return pipe 23 under the action of the external pressure, the sunken water mist is flowed into the return pipe 23 under the driving of the air flow, and then is flowed back into the annular return tank 21 through the return pipe 23, when the piston 10 in the air inlet pipe 5 moves rightwards, the air in the annular return tank 21 can be compressed, the air is pressed into the guide pipe 33, and then flows out through the second jet pipe 34 at the bottom end of the guide pipe 33, and a large amount of bubbles can be formed at the second jet pipe 34, the operation of the atomizer 2 is facilitated, the effect of generating water mist is good, the operation of the dust removal device is organically combined with the humidifying device, dust settled by the water vapor around the humidifier is collected while humidification is carried out, the water vapor is further diffused by the blades, and the effect of increasing humidity is achieved.