CN211781719U - Humidifier - Google Patents

Abstract

A humidifier includes an upper part of the humidifier, a lower part of the humidifier, a humidification mechanism, a switch mechanism and a conductive column, the upper part of the humidifier and the lower part of the humidifier are enclosed to form a humidification space, and the humidification mechanism is located in the lower part of the humidifier, so The switch structure is arranged on the upper part of the humidifier, the conductive column is located in the humidification space, and both ends of the conductive column are respectively electrically connected with the humidification mechanism and the switch mechanism. The device uses conductive posts for wiring, the control switch can be arranged on the upper part of the humidifier, the humidification mechanism is arranged at the bottom, and the wires are not exposed.

Description

a humidifier

technical field

The utility model relates to the technical field of small household appliances, in particular to a humidifier.

Background technique

Small home appliances generally refer to home appliances other than high-power output appliances. Small home appliances occupy relatively small power resources, or the body size is relatively small. As people's requirements for quality of life and health are getting higher and higher, air humidifiers are slowly entering many households and become an indispensable small household appliance for households in dry areas. A humidifier is a household appliance that increases room humidity. The humidifier mainly uses ultrasonic high-frequency oscillation at 3.0MHZ frequency to atomize water into ultra-fine particles of 1-5 microns, which can freshen the air, improve health, and create a comfortable environment. In order to meet people's needs for its functional and aesthetic functions, humidifiers have more refined product types, richer shapes, more delicate materials, and more eye-catching colors.

The prior art discloses an air humidifier (application number: 201220198219.3), which includes a humidifier base, an integrated water tank is arranged in the humidifier base, and an atomization cavity separated by the water tank is arranged inside the humidifier base The bottom of the water tank is provided with a water outlet, the bottom of the humidifier base is provided with an atomizing device, the humidifier base is provided with a water filling port at the position of the water tank, and the humidifier base is provided with a fan, the fan will The atomized water is discharged through the first air outlet arranged on the base of the humidifier, and a water level control valve is arranged at the lower end of the water outlet to make the water flow into the atomization chamber. The integrated structure of the water tank and the base of the humidifier makes it unnecessary to take off the water tank separately when adding water, and various decorative shapes can be designed to match, increasing the decorativeness of the air humidifier and improving the decorative effect.

The prior art also discloses a split-type humidifier (application number: 201820550847.0), comprising: a humidifier base, an atomization cavity is arranged on the humidifier base, and a water tank with an open top is also opened at the bottom of the atomization cavity, The water tank, the upper opening of the water tank can also be disassembled and provided with a sealing cover plate, the sealing cover plate is provided with a water passage hole, and a water level adjustment mechanism is arranged at the water passage hole; there is also a communication between the water tank and the water tank. The water tank and the independent channel inside the water tank are provided with a water outlet at the bottom of the water tank, and a water outlet control mechanism is arranged at the water outlet.

The control center and humidification mechanism of the existing humidifier are generally arranged at the bottom of the humidifier, so that the control switch is also arranged at the bottom of the humidifier, so that the user has to bend or crouch to operate. The switch button is not conducive to improving the user's sense of use; if the control switch is to be placed on the upper part of the humidifier, the wiring must be routed from the periphery of the humidifier, which will expose the wire and affect the appearance of the device.

SUMMARY OF THE INVENTION

Aiming at the deficiencies in the above technologies, the present invention provides a humidifier, the device uses conductive posts for wiring, the control switch can be arranged on the upper part of the humidifier, the humidification mechanism is arranged at the bottom, and the wires are not exposed. .

To achieve the above object, the present invention is achieved in this way:

A humidifier is characterized in that it comprises an upper part of the humidifier, a lower part of the humidifier, a humidification mechanism, a switch mechanism and a conductive column, the upper part of the humidifier and the lower part of the humidifier are enclosed to form a humidification space, and the humidification mechanism is located at the lower part of the humidifier Inside, the switch structure is arranged on the upper part of the humidifier, the conductive column is located in the humidification space, and the two ends of the conductive column are respectively electrically connected with the humidification mechanism and the switch mechanism.

Further, the upper part of the humidifier includes a face cover, the lower part of the humidifier includes a base and a water tank, the conductive column includes a connecting column and a conductive component, the water tank and the humidification mechanism are both arranged on the base, and the water tank and the humidification mechanism connected, the cover is detachably connected to the water tank, the connecting column is arranged on the water tank and is a hollow structure, the conductive component is arranged on the top of the connecting column, the switch mechanism is arranged on the cover, the The face cover is provided with at least one mist outlet, the humidification mechanism is electrically connected with the switch mechanism through a conductive component, and the conductive component and the switch mechanism are detachably connected. A hollow connection post for wiring is arranged in the water tank. The connection post is different from the mist channel in the prior art. The wire connected to the humidification mechanism passes through the connection post and is connected to the conductive component, which is in turn connected to the switch mechanism. The connection forms a loop, the switch mechanism can be set on the upper part of the humidifier, and the humidification mechanism can be set on the lower part, and the wires will not be exposed; because the cover and the water tank are detachably connected, you can open the cover to add water to the water tank .

Further, the conductive component includes a waterproof cover and a plurality of thimbles, the waterproof cover is arranged on the top of the connecting column, the thimble is arranged on the waterproof cover, and the end of the thimble is arranged on the enclosed area formed by the waterproof cover and the connecting column. The cavity is electrically connected with the humidification mechanism, and the top end of the thimble protrudes to the outside through the waterproof cover and is detachably connected with the switch mechanism. Among them, the thimble, as a component of conductive connection, belongs to the prior art and has basic waterproof performance, and will not be described in detail in this application document.

Further, the top of the waterproof cover is an inclined surface, and the high side of the inclined surface is provided with at least a plurality of protrusions, the protrusions correspond to the ejector pins, and the protrusions are provided with through holes adapted to the ejector pins. , and a diversion groove is arranged between the plurality of protrusions, and the diversion groove is arranged along the inclined surface; the inner side of the waterproof cover is provided with an isolation cavity, and the end of the thimble is set in the isolation cavity. The water vapor condensed on the upper part of the thimble can slide back into the water tank along the guide groove to realize the waterproof and anti-short circuit functions of the thimble; the wire through the connecting column is connected with the end of the thimble in the isolation cavity to ensure the stability of the connection.

Further, the connecting column is in the shape of a prism or a truncated cone, the height of the connecting column is higher than the height of the water tank, the connecting column and the water tank are integrally formed, the top of the connecting column is provided with a clamping column, and the waterproof cover is provided with There is a clamping slot matched with the clamping post, and the waterproof cover is detachably connected to the connecting post through the clamping post. Setting the connecting column in the shape of a prism or a truncated cone can reduce the water holding volume of the water tank occupied by the connecting column, and also facilitate the confluence of water mist generated in the water tank.

Further, the base is provided with an air inlet, the inner diameter of the waterproof cover is larger than the outer diameter of the top of the connecting column, and a gap is set between the connecting column and the waterproof cover. The waterproof cover is larger than the top of the connecting column, and the waterproof cover is covered on the clamping column on the top of the connecting column, so that there is a gap between the waterproof cover and the connecting column, and the air flow can enter the water tank from the base of the humidifier through the connecting column. , and then it is discharged from the mist outlet on the face cover to form an air flow route, and the atomized water vapor is brought out, and the gap is used as an air inlet channel. There is no need to set an additional air inlet structure in the water tank, making full use of the existing space. .

Further, the switch mechanism includes a decorative shell, a decorative cover, a pressing piece, a button and a first PCB board, the conductive component is detachably connected to the first PCB board, the decorative shell is a hollow structure, and the decorative The upper surface of the casing is made of soft material and is provided with a groove, the decorative cover is arranged in the groove, and a touch module is arranged on the decorative cover, and the touch module is electrically connected to the first PCB board; The pressing piece is arranged in the decorative housing and is matched with the upper surface of the decorative housing, the decorative cover is connected with the pressing piece through the groove, the button is connected with the other end of the pressing piece, and the The key is electrically connected with the first PCB board. When the decorative cover is touched, the touch function can be triggered, and when the upper surface of the decorative shell on both sides of the decorative cover is pressed, the decorative cover drives the pressing member to press down, so that the button function is triggered.

Further, the humidifier is in the shape of an animal or a cartoon character, the decorative shell is in the shape of a nose, the groove is arranged at the tip of the nose, the decorative shell is covered on the first PCB board, and the pressing member It is arranged in the cavity formed by the decoration shell and the first PCB board. Combining the switch mechanism with the decorative parts, using the decorative effect of the nose on the face shape, setting a touch module and a button at the decorative nose, combining the touch and button functions into one, and realizing the multiple functions of decoration, buttons and touch control at the same time, It is convenient to use and has high concealment. Correspondingly, the mist outlet on the humidifier can be arranged at the ear, so that the arrangement of each component is combined with the shape of the humidifier.

Further, the decorative shell is also sleeved with a decorative bracket, the decorative bracket includes an annular bracket, a mouth bracket and two halo parts, the annular bracket is adapted to the decorative shell, and the mouth bracket is provided with At the lower part of the annular support, the left and right sides of the annular support are respectively provided with halo parts, the halo parts are in the shape of a convex mirror and can transmit light. Board electrical connection. The ring-shaped bracket forms the nose part with the decorative shell, the two halo parts are respectively arranged on the back of the cheek, the light of the LED lamp is irradiated to the back of the halo part, and then is refracted by the halo part and then emitted forward, so that the The light irradiated by the halo section presents a soft halo on the cheeks, and the blushing effect is more realistic.

Further, the cover includes an inner cover and an outer cover, the inner cover is adapted to the outer cover, and the switch mechanism is arranged in the cavity between the inner cover and the outer cover, and the top of the inner cover An arc-shaped boss is arranged on the inner side of the cam, and the arc-shaped boss extends downward. Setting the face cover into two layers can provide an installation position for the switch mechanism, which can effectively avoid the contact between the switch mechanism and the water vapor in the water tank, and also effectively avoid the exposure of the switch mechanism, which affects the aesthetics of the humidifier; The setting can make the water mist in the water tank gather into water droplets at the arc-shaped boss, and leave it in the middle, so as to prevent the water droplets from flowing down along the inner side wall of the face cover.

Further, the bottom of the water tank is provided with an atomization port, the bottom of the water tank is an arc surface, and the atomization port is the center to gradually increase to the surrounding; the humidification mechanism includes a second PCB board, an ultrasonic vibration head and a water level The water level sensor is arranged on one side of the atomization port, the ultrasonic vibration head and the water level sensor are both electrically connected to the second PCB board, and the ultrasonic vibration head is arranged corresponding to the atomization port. The bottom of the water tank is an arc surface, which is set so that the height of the part near the atomization port is low, and the height of the surrounding part is high, so that the water can flow to the atomization port in a concentrated manner. At the same time, the water level sensor can monitor the water level in the water tank to prevent The ultrasonic vibrating head continues to work when there is no water.

The advantage of the present application is that the device uses conductive posts for wiring, the control switch can be arranged at the upper part of the humidifier, the humidification mechanism is arranged at the bottom, and the wires are not exposed.

Description of drawings

Figure 1 is a schematic structural diagram of a humidifier.

FIG. 2 is an exploded view of FIG. 1 .

FIG. 3 is a schematic structural diagram of the connection between the water tank and the conductive component from a first perspective.

FIG. 4 is a schematic structural diagram of the connection between the water tank and the conductive component from a second perspective.

FIG. 5 is a schematic diagram of the structure of the conductive assembly.

FIG. 6 is a schematic view of the structure of the waterproof cover.

FIG. 7 is a schematic structural diagram of a switch mechanism.

FIG. 8 is an exploded view of FIG. 7 .

FIG. 9 is a plan view of the inner cover.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

Refer to Figures 1-9.

A humidifier is characterized in that it comprises an upper part of the humidifier, a lower part of the humidifier, a humidification mechanism, a switch mechanism and a conductive column, the upper part of the humidifier and the lower part of the humidifier are enclosed to form a humidification space, and the humidification mechanism is located at the lower part of the humidifier Inside, the switch structure is arranged on the upper part of the humidifier, the conductive column is located in the humidification space, and the two ends of the conductive column are respectively electrically connected with the humidification mechanism and the switch mechanism.

Further, the upper part of the humidifier includes a face cover 3, the lower part of the humidifier includes a base 1 and a water tank, 2, the conductive column includes a connecting column 7 and a conductive component 4, the water tank 2 and the humidification mechanism 6 are all arranged on the base 1. , the water tank 2 is connected with the humidification mechanism 6, the face cover 3 is detachably connected with the water tank 2, the connecting column 7 is arranged on the water tank 2 and is a hollow structure, the conductive component 4 is arranged on the top of the connecting column 7, and the switch mechanism 5 is arranged on the The face cover 3 is provided with at least one mist outlet 31 , the humidification mechanism 6 is electrically connected to the switch mechanism 5 through the conductive component 4 , and the conductive component 4 is detachably connected to the switch mechanism 5 . The water tank 2 is provided with a hollow connection post 7 for wiring, which is different from the mist channel in the prior art, and the wire connected to the humidifying mechanism 6 is connected to the conductive component 4 through the connection post 7, The conductive component 4 is connected with the switch mechanism 5 to form a loop, the switch mechanism 5 can be arranged on the upper part of the humidifier, and the humidification mechanism 6 can be arranged on the lower part, and the wires will not be exposed; because the face cover 3 and the water tank are detachably connected Yes, you can add water to the water tank by opening the cover 3.

In this embodiment, the conductive component 4 includes a waterproof cover 41 and a plurality of thimbles 42, the waterproof cover 41 is arranged on the top of the connection column 7, the thimble 42 is arranged on the waterproof cover 41, and the end of the thimble 42 is arranged on the waterproof cover 41 and the connection The column 7 is enclosed in the cavity formed and is electrically connected to the humidifying mechanism 6 .

In this embodiment, the top of the waterproof cover 41 is an inclined surface, and at least a plurality of protrusions 43 are provided on the higher side of the inclined surface. The through holes are matched, and a diversion groove 44 is set between the plurality of protrusions 43, and the diversion groove 44 is arranged along the inclined surface; the inner side of the waterproof cover 41 is provided with an isolation cavity 45, and the end of the ejector pin 42 is set in the isolation cavity 45 Inside. The water vapor condensed on the upper part of the ejector pin 42 can slide back into the water tank along the guide groove 44, so as to realize the waterproof and short-circuit prevention functions of the ejector pin 42; Ensure the stability of the connection.

In this embodiment, the connecting column is in the shape of a prism or a truncated cone. The height of the connecting column 7 is higher than the height of the water tank 2. The connecting column 7 is integrally formed with the water tank 1. The top of the connecting column 7 is provided with a clamping column 71. The waterproof cover 41 is provided with a snap-fit slot that matches with the snap-on post 71 , and the waterproof cover 41 is detachably connected to the connection post 7 through the snap-on post 71 . Setting the connecting column 7 in a prismatic or truncated shape can reduce the water storage volume of the water tank 2 occupied by the connecting column 7 , and also facilitate the confluence of water mist generated in the water tank 2 .

In this embodiment, the base 1 is provided with an air inlet 11 , the inner diameter of the waterproof cover 41 is larger than the outer diameter of the top of the connecting column 7 , and a gap is set between the connecting column 7 and the waterproof cover 41 . The waterproof cover 41 is larger than the top of the connecting column 7, and the waterproof cover 41 is covered on the clamping column 71 at the top of the connecting column 7, so that there is a gap between the waterproof cover 41 and the connecting column 7, and the air flow can flow from the humidifier base 1 It enters the water tank through the connecting column, and then is discharged from the mist outlet 31 on the face cover 3 to form an air flow route, which brings the atomized water vapor out, and the gap is used as an air inlet channel. The structure makes full use of the existing space.

In this embodiment, the switch mechanism 5 includes a decorative housing 51 , a decorative cover 52 , a pressing member 53 , a button 54 and a first PCB board 55 , the conductive component 4 is detachably connected to the first PCB board 55 , and the decorative housing 51 It is a hollow structure, the upper surface of the decorative shell 51 is made of soft materials such as silica gel, and a groove 511 is arranged on the upper surface. shown), the touch module is electrically connected with the first PCB board 55; the pressing member 53 is arranged in the decorative housing 51 and is matched with the upper surface of the decorative housing 51, and the decorative cover 52 passes through the groove 511 and the pressing member 53 Connected, the button 54 is connected to the other end of the pressing member 53 , and the button 54 is electrically connected to the first PCB board 55 . When the decorative cover 52 is touched, the touch function can be triggered, and when the upper surface of the decorative housing 51 on both sides of the decorative cover 52 is pressed, the decorative cover 52 drives the pressing member 53 to press down to trigger the button function.

In this embodiment, the humidifier is in the shape of an animal or a cartoon character, the decorative shell 51 is in the shape of a nose, the groove 511 is set at the tip of the nose, the decorative shell 51 is covered on the first PCB board 55, and the pressing member 52 is provided In the cavity formed by the decoration shell 51 and the first PCB board 55 . The switch mechanism 5 is combined with the decorative parts, and the decorative effect of the nose on the face shape is used to set a touch module and a button at the decorative nose, and the touch and button functions are combined into one, and the multiple functions of decoration, buttons and touch control are realized at the same time. , the use is convenient and the concealment is high. Correspondingly, the mist outlet on the humidifier can be set at the ear, so that the setting of each component is combined with the shape of the humidifier.

In this embodiment, the decorative shell 51 is also sleeved with a decorative bracket 56 . The decorative bracket 56 includes an annular bracket 561 , a mouth bracket 562 and two halo parts 563 . The annular bracket 561 is adapted to the decorative shell 51 . , the mouth bracket 562 is arranged at the lower part of the annular bracket 561, the left and right sides of the annular bracket 561 are respectively provided with halo parts 563, the halo parts 563 are convex mirror-shaped and can transmit light, and LED lights are arranged in the convex mirror (Fig. not shown), and the LED lamp is electrically connected to the first PCB board 55 . The annular bracket 561 forms the nose part with the decorative shell 51, and the two halo parts 563 are respectively arranged on the back of the cheeks. The light of the LED lamp is irradiated to the back of the halo part, and then is refracted by the halo part 563 and then emitted forward. , so that the light irradiated by the halo part 563 presents a soft halo on the cheek, and the blushing effect is more realistic.

In this embodiment, the cover 3 includes an inner cover 32 and an outer cover 33, the inner cover 32 is adapted to the outer cover 33, and the switch mechanism 5 is arranged in the cavity between the inner cover 32 and the outer cover 33, and An arc-shaped boss 321 is provided on the inner surface of the top of the inner surface cover 32 , and the arc-shaped boss 321 extends downward. Setting the face cover 3 into two layers can provide an installation position for the switch mechanism 5, which can effectively prevent the switch mechanism 5 from contacting the water vapor in the water tank 2, and also effectively prevent the switch mechanism 5 from being exposed, which affects the aesthetics of the humidifier; the The arrangement of the arc-shaped bosses 321 can make the water mist in the water tank 2 gather into water droplets at the arc-shaped bosses 321 and leave them in the middle, so as to prevent the water droplets from flowing down along the inner side wall of the face cover.

In this embodiment, the bottom of the water tank 2 is provided with an atomization port 21, the bottom of the water tank 2 is an arc surface, and the atomization port 21 is taken as the center to gradually increase to the periphery; the humidification mechanism 6 includes a second PCB board 61, ultrasonic wave The vibrating head and the water level sensor 62, the water level sensor 62 is arranged on one side of the atomization port 21, the ultrasonic vibrating head and the water level sensor 62 are electrically connected to the second PCB board, and the ultrasonic vibrating head is arranged corresponding to the atomizing port 21. The bottom of the water tank 2 is an arc surface, so that the height of the part close to the atomization port 21 is lower, and the height of the surrounding part is higher, so that the water can flow to the atomization port 21 in a concentrated manner, and the water level sensor 62 can be used to monitor the water tank 2. to prevent the ultrasonic vibrating head from continuing to work when there is no water.

The advantage of the present application is that the conductive column of the device is routed, the control switch can be arranged at the upper part of the humidifier, the humidification mechanism is arranged at the bottom, and the wires are not exposed.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection of the utility model.

Claims (10)

1. A humidifier, characterized in that it comprises an upper part of the humidifier, a lower part of the humidifier, a humidification mechanism, a switch mechanism and a conductive column, the upper part of the humidifier and the lower part of the humidifier are enclosed to form a humidification space, and the humidification mechanism is located in the humidifier. In the lower part of the humidifier, the switch mechanism is arranged on the upper part of the humidifier, the conductive column is located in the humidification space, and the two ends of the conductive column are respectively electrically connected with the humidification mechanism and the switch mechanism. 2. A humidifier according to claim 1, characterized in that the upper part of the humidifier comprises a cover, the lower part of the humidifier comprises a base and a water tank, the conductive column comprises a connecting column and a conductive component, and the water tank The water tank and the humidification mechanism are both arranged on the base, the water tank is connected to the humidification mechanism, the surface cover is detachably connected to the water tank, the connection column is arranged on the water tank and is a hollow structure, and the conductive component is arranged on the connection column The switch mechanism is arranged on the face cover, and the face cover is provided with at least one mist outlet, the humidification mechanism is electrically connected to the switch mechanism through a conductive component, and the conductive component is detachably connected to the switch mechanism. 3. The humidifier according to claim 2, wherein the conductive component comprises a waterproof cover and a plurality of thimbles, the waterproof cover is arranged on the top of the connecting column, and the thimble is arranged on the waterproof cover, so that the The end of the thimble is arranged in the cavity enclosed by the waterproof cover and the connecting column and is electrically connected with the humidifying mechanism. 4. A humidifier according to claim 3, wherein the top of the waterproof cover is an inclined surface, and at least a plurality of protrusions are provided on the side of the high inclined surface, and the protrusions correspond to the thimbles, The protrusions are provided with through holes adapted to the ejector pins, and a diversion groove is provided between the plurality of protrusions, and the diversion grooves are arranged along the inclined surface; the inner side of the waterproof cover is provided with The isolation cavity, the end of the thimble is arranged in the isolation cavity. 5. A humidifier according to claim 3, characterized in that the connecting column is in the shape of a prism or a truncated cone, the height of the connecting column is higher than the height of the water tank, the connecting column and the water tank are integrally formed, and the connecting column is integrally formed with the water tank. The top of the column is provided with a clamping column, the waterproof cover is provided with a clamping groove adapted to the clamping column, and the waterproof cover is detachably connected to the connecting column through the clamping column. 6. A humidifier as claimed in claim 3, characterized in that the base is provided with an air inlet, the inner diameter of the waterproof cover is larger than the outer diameter of the top of the connecting column, and an air inlet is arranged between the connecting column and the waterproof cover There are gaps. 7 . The humidifier according to claim 2 , wherein the switch mechanism comprises a decorative shell, a decorative cover, a pressing member, a button and a first PCB board, and the conductive component and the first PCB board are detachable. 8 . connection, the decorative shell is a hollow structure, the upper surface of the decorative shell is made of soft material and a groove is arranged on the upper surface, the decorative cover is arranged in the groove, and the decorative cover is provided with a touch module, the touch module is electrically connected to the first PCB board; the pressing piece is arranged in the decorative housing and is matched with the upper surface of the decorative housing, and the decorative cover is connected to the pressing piece through the groove , the button is connected with the other end of the pressing member, and the button is electrically connected with the first PCB board. 8. A humidifier as claimed in claim 7, characterized in that the humidifier is in the shape of an animal or a cartoon character, the decorative shell is in the shape of a nose, the groove is arranged at the tip of the nose, and the decorative shell is in the shape of a nose. The shell is covered on the first PCB board, and the pressing member is arranged in the cavity formed by the decoration shell and the first PCB board; the decoration shell is also sleeved with a decoration bracket, and the decoration bracket includes An annular bracket, a mouth bracket and two halo parts, the annular bracket is adapted to the decorative shell, the mouth bracket is arranged at the lower part of the annular bracket, and the left and right sides of the annular bracket are respectively provided with halos The halo portion is in the shape of a convex mirror and can transmit light, an LED light is arranged in the convex mirror, and the LED light is electrically connected to the first PCB board. 9. The humidifier according to claim 2, wherein the cover comprises an inner cover and an outer cover, the inner cover is adapted to the outer cover, and the switch mechanism is arranged on the inner cover and the outer cover In the cavity between the covers, and the inner surface of the top of the inner cover is provided with an arc-shaped boss, and the arc-shaped boss extends downward. 10. A humidifier as claimed in claim 2, characterized in that the bottom of the water tank is provided with an atomization port, the bottom of the water tank is an arc surface, and the atomization port is gradually increased around the center; The humidification mechanism includes a second PCB board, an ultrasonic vibrating head and a water level sensor, the water level sensor is arranged on one side of the atomization port, the ultrasonic vibrating head and the water level sensor are both electrically connected to the second PCB board, and the ultrasonic vibrating head and the water level sensor are electrically connected to the second PCB board. The vibrating head is set corresponding to the atomizing port.

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