CN111059672B

CN111059672B - A humidifier

Info

Publication number: CN111059672B
Application number: CN201911415803.2A
Authority: CN
Inventors: 张其丰
Original assignee: Shenzhen Qilixin Plastic Precision Mould Co ltd
Current assignee: Shenzhen Qilixin Plastic Precision Mould Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2025-03-28
Anticipated expiration: 2039-12-31
Also published as: CN111059672A

Abstract

A humidifier comprises an upper part of the humidifier, a lower part of the humidifier, a humidifying mechanism, a switch mechanism and a conductive column, wherein the upper part of the humidifier and the lower part of the humidifier enclose a humidifying space, the humidifying mechanism is located in the lower part of the humidifier, the switch mechanism is arranged in the upper part of the humidifier, the conductive column is located in the humidifying space, and the two ends of the conductive column are electrically connected to the humidifying mechanism and the switch mechanism respectively. The device uses the conductive column for wiring, and the control switch can be arranged at the upper part of the humidifier, and the humidifying mechanism is arranged at the bottom, and the wires are not exposed.

Description

Humidifier

Technical Field

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

Background

The small household appliances generally refer to household appliances except for high-power output electric appliances, and the small household appliances occupy smaller electric power resources or have smaller body volume. With the increasing demands of people on life quality and health, air humidifiers slowly go into many families and become a small household appliance which is indispensable for families in dry areas. The humidifier is a household appliance for increasing the humidity of a room, and mainly adopts ultrasonic high-frequency oscillation with the frequency of 3.0MHz to atomize water into ultrafine particles of 1-5 microns, so that the air can be freshened, the health is improved, and a comfortable environment is created. In order to meet the demands of people on the use function and the aesthetic function of the humidifier, the humidifier is more refined in product type, more rich in modeling, finer in material and more attractive in color.

The prior art discloses an air humidifier (application number: 201220198219.3), which comprises a humidifier base, wherein a water tank which is integrally arranged is arranged in the humidifier base, an atomization cavity which is separated by the water tank is arranged in the humidifier base, a water outlet is arranged at the bottom of the water tank, an atomization device is arranged at the bottom of the humidifier base, a water inlet is arranged on the humidifier base and at the position of the water tank, a fan is arranged in the humidifier base, atomized water is discharged through a first air outlet which is arranged on the humidifier base, and a water level control valve which enables water to flow into the atomization cavity is arranged at the lower end of the water outlet. The integrated structure of the water tank and the humidifier base is adopted, so that the water tank does not need to be taken down independently when water is added, various decorations can be designed to be matched, the decoration of the air humidifier is improved, and the decoration effect is improved.

The prior art also discloses a split humidifier (application number: 201820550847.0), which comprises a humidifier base, wherein an atomization cavity is arranged on the humidifier base, a water tank with an open upper part is further arranged at the bottom of the atomization cavity, a sealing cover plate is further detachably arranged at the open upper part of the water tank, a water passing hole is formed in the sealing cover plate, a water level adjusting mechanism is arranged at the water passing hole, an independent channel which is communicated with the water tank and the inside of the water tank is further arranged between the water tank and the water tank, a water outlet is formed in the bottom of the water tank, and a water outlet control mechanism is arranged at the water outlet.

The control center and the humidifying 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, and therefore, a user can operate the switch keys only by bending or squatting down when using the humidifier, the use experience of the user is not improved, and if the control switch is arranged at the upper part of the humidifier, wires are exposed by wiring from the periphery of the humidifier, and the attractiveness of the device is affected.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides the humidifier, which utilizes the conductive column to conduct wiring, a control switch can be arranged at the upper part of the humidifier, a humidifying mechanism is arranged at the bottom, and wires cannot be exposed.

To achieve the above object, the present invention is achieved by:

The utility model provides a humidifier, its characterized in that includes humidifier upper portion, humidifier lower part, humidification mechanism, switch mechanism and conductive post, humidifier upper portion and humidifier lower part enclose and close and form the humidification space, humidification mechanism is located the humidifier lower part, switch mechanism sets up on humidifier upper portion, conductive post is located the humidification space, and the both ends of conductive post are connected with humidification mechanism and switch mechanism electricity respectively.

Further, humidifier upper portion includes the face lid, the humidifier lower part includes base and water tank, electrically conductive post includes spliced pole and conductive component, water tank and humidification mechanism all set up on the base, the water tank is connected with humidification mechanism, face lid is connected with the water tank is detachable, the spliced pole sets up on the water tank and is hollow structure, conductive component sets up the top at the spliced pole, switch mechanism sets up on the face lid, the face is covered and is provided with at least one fog mouth, and humidification mechanism passes through conductive component and is connected with the switch mechanism electricity, just conductive component is connected with the switch mechanism is detachable. A hollow connecting column for wiring is arranged in the water tank, the connecting column is different from a mist channel in the prior art, a wire connected with the humidifying mechanism penetrates through the connecting column to be connected with the conductive component, the conductive component is connected with the switching mechanism to form a loop, the switching mechanism can be arranged on the upper portion of the humidifier, the humidifying mechanism is arranged on the lower portion, wires cannot be exposed, and the surface cover is detachably connected with the water tank, so that water can be added into the water tank by opening the surface cover.

Further, the conductive assembly comprises a waterproof cover and a plurality of ejector pins, the waterproof cover is arranged at the top of the connecting column, the ejector pins are arranged on the waterproof cover, the tail ends of the ejector pins are arranged in a cavity formed by encircling the waterproof cover and the connecting column and are electrically connected with the humidifying mechanism, and the top ends of the ejector pins penetrate through the waterproof cover to extend outwards and are detachably connected with the switching mechanism. The thimble is used as a conductive connection component, belongs to the prior art, has basic waterproof performance, and is not described in detail in the document of the application.

Further, the top of the waterproof cover is an inclined surface, at least a plurality of protrusions are arranged on one side of the inclined surface, the protrusions correspond to the ejector pins, through holes matched with the ejector pins are formed in the protrusions, flow guide grooves are formed between the protrusions, the flow guide grooves are formed along the inclined surface, an isolation cavity is formed in the inner side surface of the waterproof cover, and the tail ends of the ejector pins are arranged in the isolation cavity. The water vapor condensed on the upper part of the thimble can slide downwards along the diversion trench and flow back to the water tank to realize the waterproof and short-circuit prevention functions of the thimble, and the wire passing through the connecting column is connected with the tail end of the thimble in the isolation cavity to ensure the connection stability.

Further, the spliced pole is prismatic table or round platform form, and the height of spliced pole is higher than the height of water tank, spliced pole and water tank integrated into one piece, the top of spliced pole is provided with the joint post, be provided with the joint groove with joint post looks adaptation on the buckler, the buckler passes through the joint post and is connected with the spliced pole is detachable. The connecting column is arranged to be in a prismatic table or a round table shape, so that the water containing volume of the water tank occupied by the connecting column can be reduced, and meanwhile, the water mist generated in the water tank is converged.

Further, be provided with the air intake on the base, the internal diameter of buckler is greater than the top external diameter of spliced pole, and is provided with the clearance between spliced pole and the buckler. The waterproof cover is larger than the top of the connecting column, the waterproof cover is covered on the clamping column at the top of the connecting column, a gap exists between the waterproof cover and the connecting column, air flow can enter the water tank from the humidifier base through the connecting column and is discharged from the mist outlet on the face cover, an air flow route is formed, atomized water vapor is taken out, the gap is used as an air inlet channel, an air inlet structure is not required to be additionally arranged in the water tank, and the existing space is fully utilized.

Further, the switch mechanism comprises a decorative shell, a decorative cover, a pressing piece, a key and a first PCB board, wherein the conductive component is detachably connected with the first PCB board, the decorative shell is of a hollow structure, the upper surface of the decorative shell is made of soft materials and is provided with a groove, the decorative cover is arranged in the groove, a touch module is arranged on the decorative cover and is electrically connected with the first PCB board, the pressing piece is arranged in the decorative shell and is matched with the upper surface of the decorative shell, the decorative cover penetrates through the groove to be connected with the pressing piece, the key is connected with the other end of the pressing piece, and 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 surfaces of the decorative shells on two sides of the decorative cover are pressed, the pressing piece is pressed down, so that the key function is triggered.

Further, the humidifier is animal or cartoon personage's appearance, the decoration casing is the shape of nose, the recess sets up in the tip of the nose position, the decoration casing lid closes on first PCB board, press the setting in decorating the cavity that casing and first PCB board enclose and form. The switch mechanism is combined with the decoration part, the touch module and the key are arranged at the decoration nose by utilizing the decoration effect of the nose on the face shape, the touch and key functions are combined into a whole, the multiple functions of decoration, key and touch control are realized, the use is convenient, the concealment is high, and the fog outlet on the humidifier can be arranged at the ear, so that the setting of each part is combined with the modeling of the humidifier.

Further, still the cover is equipped with the decoration support outside the decoration casing, the decoration support includes annular support, mouth support and two halation portions, annular support and decoration casing looks adaptation, the mouth support sets up the lower part at annular support, the left and right sides of annular support is provided with halation portion respectively, halation portion is the convex lens form and can be passed through light, is provided with the LED lamp in the convex lens, and the LED lamp is connected with first PCB board electricity. The annular support and the decorative shell form a nose part, the two halation parts are respectively arranged on the back surfaces of the cheeks, the light of the LED lamp irradiates to the back surfaces of the halation parts and is refracted by the halation parts and then emitted forward, so that the light irradiated by the halation parts presents a halation with soft light at the cheeks, and the effect of the blushing is more vivid.

Further, the face lid includes inner face lid and outer face lid, inner face lid and outer face lid looks adaptation, just switch mechanism sets up in the cavity between inner face lid and the outer face lid, just be provided with the arc boss on the medial surface at the top of inner face lid, arc boss downwardly extending. The surface cover is arranged in two layers, so that an installation position can be provided for the switching mechanism, the switching mechanism is effectively prevented from being contacted with water vapor in the water tank, the switching mechanism is also effectively prevented from being exposed, the attractiveness of the humidifier is affected, water mist in the water tank can be gathered into water drops at the arc-shaped boss and is left from the middle of the water drops, and the water drops are prevented from flowing down along the inner side wall of the surface cover.

Further, an atomization opening is formed in the bottom of the water tank, the bottom of the water tank is an arc-shaped surface and gradually increases from the atomization opening to the periphery, the humidifying mechanism comprises a second PCB (printed circuit board), an ultrasonic vibration head and a water level sensor, the water level sensor is arranged on one side of the atomization opening, the ultrasonic vibration head and the water level sensor are electrically connected with the second PCB, and the ultrasonic vibration head and the atomization opening are correspondingly arranged. The bottom of the water tank is an arc surface, so that the height of the part close to the atomizing port is lower, the height of the surrounding part is higher, the concentrated water flow to the atomizing port can be realized, and meanwhile, the water level in the water tank can be monitored by utilizing the water level sensor, so that the ultrasonic vibration head can still work continuously when no water exists.

The application has the advantages that the device utilizes the conductive column to conduct wiring, the control switch can be arranged at the upper part of the humidifier, the humidifying mechanism is arranged at the bottom, and the wires are not exposed.

Drawings

Fig. 1 is a schematic view of a humidifier.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is a schematic view of the structure of the water tank in connection with the conductive member at a first view angle.

Fig. 4 is a schematic structural view of the water tank in connection with the conductive member at a second view angle.

Fig. 5 is a schematic structural view of the conductive assembly.

Fig. 6 is a schematic structural view of the waterproof cover.

Fig. 7 is a schematic structural view of the switching mechanism.

Fig. 8 is an exploded view of fig. 7.

Fig. 9 is a top view of the inner face cover.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

Reference is made to fig. 1-9.

Further, humidifier upper portion includes face lid 3, the humidifier lower part includes base 1 and water tank, 2, electrically conductive post includes spliced pole 7 and conductive component 4, water tank 2 and humidification mechanism 6 all set up on base 1, water tank 2 is connected with humidification mechanism 6, face lid 3 is connected with water tank 2 detachable, spliced pole 7 sets up on water tank 2 and is hollow structure, conductive component 4 sets up at the top of spliced pole 7, switch mechanism 5 sets up on face lid 3, be provided with at least one fog mouth 31 on the face lid 3, humidification mechanism 6 is connected with switch mechanism 5 electricity through conductive component 4, and conductive component 4 is connected with switch mechanism 5 detachable. A hollow connecting column 7 for wiring is arranged in the water tank 2, the connecting column 7 is different from a mist channel in the prior art, a wire connected with the humidifying mechanism 6 passes through the connecting column 7 to be connected with the conductive component 4, the conductive component 4 is connected with the switching mechanism 5 to form a loop, the switching mechanism 5 can be arranged at the upper part of the humidifier, the humidifying mechanism 6 is arranged at the lower part, wires cannot be exposed, and water can be added into the water tank by opening the surface cover 3 because the surface cover 3 is detachably connected with the water tank.

In this embodiment, the conductive component 4 includes a waterproof cover 41 and a plurality of pins 42, the waterproof cover 41 is disposed at the top of the connection post 7, the pins 42 are disposed on the waterproof cover 41, the ends of the pins 42 are disposed in a cavity formed by enclosing the waterproof cover 41 and the connection post 7 and electrically connected with the humidifying mechanism 6, and the top ends of the pins 42 penetrate through the waterproof cover 41 to protrude outwards and are detachably connected with the switching mechanism 5.

In this embodiment, the top of the waterproof cover 41 is an inclined surface, at least a plurality of protrusions 43 are arranged on the side with the height of the inclined surface, the protrusions 43 correspond to the ejector pins 42, through holes matched with the ejector pins 42 are arranged in the protrusions 43, guide grooves 44 are arranged between the plurality of protrusions 43, the guide grooves 44 are arranged along the inclined surface, an isolation cavity 45 is arranged on the inner side surface of the waterproof cover 41, and the tail ends of the ejector pins 42 are arranged in the isolation cavity 45. The water vapor condensed on the upper part of the thimble 42 can slide downwards along the diversion trench 44 and flow back to the water tank to realize the waterproof and short-circuit-proof functions of the thimble 42, and the wire passing through the connecting column 7 is connected with the tail end of the thimble 42 in the isolation cavity 45 to ensure the stability of connection.

In this embodiment, the connecting column is prismatic table or round table, the height of the connecting column 7 is higher than the height of the water tank 2, the connecting column 7 and the water tank 1 are integrally formed, the top of the connecting column 7 is provided with a clamping column 71, the waterproof cover 41 is provided with a clamping groove matched with the clamping column 71, and the waterproof cover 41 is detachably connected with the connecting column 7 through the clamping column 71. The connecting column 7 is arranged into a prismatic table or a round table shape, so that the water holding volume occupied by the connecting column 7 in the water tank 2 can be reduced, and meanwhile, the water mist generated in the water tank 2 is converged.

In this embodiment, the air inlet 11 is provided on the base 1, the inner diameter of the waterproof cover 41 is larger than the outer diameter of the top of the connection post 7, and a gap is provided between the connection post 7 and the waterproof cover 41. The waterproof cover 41 is bigger than the top of the connecting column 7, the waterproof cover 41 is covered on the clamping column 71 at the top of the connecting column 7, a gap exists between the waterproof cover 41 and the connecting column 7, air flow can enter the water tank from the humidifier base 1 through the connecting column and is discharged from the mist outlet 31 on the face cover 3 to form an air flow path, atomized water vapor is taken out, the gap is used as an air inlet channel, an air inlet structure is not required to be additionally arranged in the water tank 2, and the existing space is fully utilized.

In this embodiment, the switch mechanism 5 includes a decorative housing 51, a decorative cover 52, a pressing member 53, a key 54 and a first PCB 55, the conductive component 4 is detachably connected with the first PCB 55, the decorative housing 51 is of a hollow structure, the upper surface of the decorative housing 51 is made of soft materials such as silica gel, and the upper surface thereof is provided with a groove 511, the decorative cover 52 is disposed in the groove 511, the decorative cover 52 is provided with a touch module (not shown) which is electrically connected with the first PCB 55, the pressing member 53 is disposed in the decorative housing 51 and is adapted to the upper surface of the decorative housing 51, the decorative cover 52 passes through the groove 511 to be connected with the pressing member 53, the key 54 is connected with the other end of the pressing member 53, and the key 54 is electrically connected with the first PCB 55. When the decorative cover 52 is touched, the touch function is triggered, and when the upper surfaces of the decorative shells 51 on the two sides of the decorative cover 52 are pressed, the pressing piece 53 is driven to press down, so that the key function is triggered.

In this embodiment, the humidifier is in the shape of an animal or cartoon character, the decorative housing 51 is in the shape of a nose, the groove 511 is disposed at the tip of the nose, the decorative housing 51 covers the first PCB 55, and the pressing member 52 is disposed in a cavity formed by the decorative housing 51 and the first PCB 55. The switch mechanism 5 is combined with a decoration part, a touch module and keys are arranged at the position of the decoration nose by utilizing the decoration effect of the nose on the shape of the face, the touch and key functions are combined into a whole, and meanwhile, the multiple functions of decoration, keys and touch control are realized.

In this embodiment, the decoration housing 51 is further sleeved with a decoration support 56, the decoration support 56 includes an annular support 561, a mouth support 562 and two halation parts 563, the annular support 561 is adapted to the decoration housing 51, the mouth support 562 is disposed at the lower part of the annular support 561, halation parts 563 are disposed at the left and right sides of the annular support 561 respectively, the halation parts 563 are in a convex lens shape and can transmit light, an LED lamp (not shown) is disposed in the convex lens, and the LED lamp is electrically connected with the first PCB 55. The annular support 561 forms a nose part with the decorative shell 51, the two halation parts 563 are respectively arranged on the back surfaces of cheeks, the light of the LED lamp irradiates to the back surfaces of the halation parts and is refracted by the halation parts 563 and then emitted forward, so that the light irradiated by the halation parts 563 presents a halation with soft light at the cheeks, and the blushing effect is more vivid.

In this embodiment, the face cover 3 includes an inner face cover 32 and an outer face cover 33, the inner face cover 32 is matched with the outer face cover 33, the switch mechanism 5 is arranged in a cavity between the inner face cover 32 and the outer face cover 33, and an arc-shaped boss 321 is arranged on the inner side face of the top of the inner face cover 32, and the arc-shaped boss 321 extends downwards. The surface cover 3 is arranged in two layers, so that an installation position can be provided for the switch mechanism 5, the switch mechanism 5 is effectively prevented from being contacted with water vapor in the water tank 2, the switch mechanism 5 is effectively prevented from being exposed, the attractiveness of the humidifier is affected, the arc-shaped boss 321 is arranged, water mist in the water tank 2 can be gathered into water drops at the arc-shaped boss 321 and is left from the middle, and the water drops are prevented from flowing down along the inner side wall of the surface cover.

In the embodiment, an atomization port 21 is formed in the bottom of the water tank 2, the bottom of the water tank 2 is an arc surface and gradually increases from the atomization port 21 to the periphery, the humidifying mechanism 6 comprises a second PCB 61, an ultrasonic vibration head and a water level sensor 62, the water level sensor 62 is arranged on one side of the atomization port 21, the ultrasonic vibration head and the water level sensor 62 are electrically connected with the second PCB, and the ultrasonic vibration head and the atomization port 21 are correspondingly arranged. The bottom of the water tank 2 is an arc surface, so that the height of the part close to the atomizing port 21 is lower, the height of the surrounding part is higher, the concentrated water flow to the atomizing port 21 can be realized, and meanwhile, the water level in the water tank 2 can be monitored by utilizing the water level sensor 62, so that the ultrasonic vibration head can be prevented from continuously working when no water exists.

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

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims

1. The humidifier is characterized by comprising a humidifier upper part, a humidifier lower part, a humidifying mechanism, a switching mechanism and a conductive column, wherein the humidifier upper part and the humidifier lower part are enclosed to form a humidifying space, the humidifying mechanism is positioned in the humidifier lower part, the switching mechanism is arranged on the humidifier upper part, the conductive column is positioned in the humidifying space, and two ends of the conductive column are respectively electrically connected with the humidifying mechanism and the switching mechanism;

The humidifier comprises a humidifier body, wherein the humidifier body comprises a humidifier body, the humidifier body comprises a humidifier upper part and a humidifier lower part, the humidifier lower part comprises a base and a water tank, the electric conduction column comprises a connecting column and an electric conduction assembly, the water tank and the humidifying mechanism are arranged on the base, the water tank is connected with the humidifying mechanism, the humidifier body is detachably connected with the water tank, the connecting column is arranged on the water tank and is of a hollow structure, the electric conduction assembly is arranged at the top of the connecting column, the switching mechanism is arranged on the humidifier body, at least one mist outlet is formed in the humidifier body, the humidifying mechanism is electrically connected with the switching mechanism through the electric conduction assembly, and the electric conduction assembly is detachably connected with the switching mechanism;

The electric conduction assembly comprises a waterproof cover and a plurality of ejector pins, the waterproof cover is arranged at the top of the connecting column, the ejector pins are arranged on the waterproof cover, the tail ends of the ejector pins are arranged in a cavity formed by encircling the waterproof cover and the connecting column and are electrically connected with the humidifying mechanism, and the top ends of the ejector pins penetrate through the waterproof cover to extend outwards and are detachably connected with the switching mechanism;

The waterproof cover comprises a waterproof cover body, wherein the top of the waterproof cover body is an inclined surface, at least a plurality of protrusions are arranged on one side of the inclined surface, the protrusions correspond to a thimble, through holes matched with the thimble are formed in the protrusions, flow guide grooves are formed between the protrusions, the flow guide grooves are formed along the inclined surface, an isolation cavity is formed in the inner side surface of the waterproof cover body, and the tail end of the thimble is arranged in the isolation cavity.

2. The humidifier of claim 1, wherein the connecting column is in a prismatic table or a circular truncated cone shape, the height of the connecting column is higher than that 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, the waterproof cover is provided with a clamping groove matched with the clamping column, and the waterproof cover is detachably connected with the connecting column through the clamping column.

3. The humidifier of claim 1, wherein the base is provided with an air inlet, the waterproof cover has an inner diameter larger than an outer diameter of the top of the connecting column, and a gap is provided between the connecting column and the waterproof cover.

4. The humidifier of claim 1, wherein the switch mechanism comprises a decorative shell, a decorative cover, a pressing piece, a key and a first PCB board, the conductive assembly is detachably connected with the first PCB board, the decorative shell is of a hollow structure, the upper surface of the decorative shell is made of soft materials, the upper surface of the decorative shell is provided with a groove, the decorative cover is arranged in the groove, the decorative cover is provided with a touch module, the touch module is electrically connected with the first PCB board, the pressing piece is arranged in the decorative shell and is matched with the upper surface of the decorative shell, the decorative cover penetrates through the groove to be connected with the pressing piece, the key is connected with the other end of the pressing piece, and the key is electrically connected with the first PCB board.

5. The humidifier of claim 4, wherein the humidifier is in the shape of an animal or cartoon figure, the decorative shell is in the shape of a nose, the groove is formed in the position of the nose tip, the decorative shell covers the first PCB, the pressing piece is arranged in a cavity formed by the decorative shell and the first PCB, the decorative shell is further sleeved with a decorative support, the decorative support comprises an annular support, a mouth support and two halation parts, the annular support is matched with the decorative shell, the mouth support is arranged at the lower part of the annular support, the halation parts are respectively arranged at the left side and the right side of the annular support, the halation parts are in the shape of a convex mirror and can transmit light, an LED lamp is arranged in the convex mirror, and the LED lamp is electrically connected with the first PCB.

6. A humidifier as claimed in claim 1 wherein said face cover comprises an inner face cover and an outer face cover, said inner face cover being adapted to the outer face cover, and said switch mechanism is disposed in a cavity between the inner face cover and the outer face cover, and an arcuate boss is provided on an inner side of a top of said inner face cover, said arcuate boss extending downwardly.

7. The humidifier of claim 1, wherein the bottom of the water tank is provided with an atomization opening, the bottom of the water tank is an arc surface and gradually increases from the atomization opening to the periphery, the humidifying mechanism comprises a second PCB, an ultrasonic vibration head and a water level sensor, the water level sensor is arranged on one side of the atomization opening, the ultrasonic vibration head and the water level sensor are electrically connected with the second PCB, and the ultrasonic vibration head and the atomization opening are correspondingly arranged.