CN210931083U

CN210931083U - Portable hand washing instrument for infants

Info

Publication number: CN210931083U
Application number: CN201921674707.5U
Authority: CN
Inventors: 张弘业
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-16
Filing date: 2019-10-08
Publication date: 2020-07-07
Anticipated expiration: 2029-10-08
Also published as: CN109091052A; CN110495811A

Abstract

The utility model provides a portable infant appearance of washing hand relates to infant cleaning products's technical field, should portable infant appearance of washing hand includes ultrasonic wave generating device and washing tank, ultrasonic wave generating device with the washing tank is connected. The utility model provides a portable infant appearance of washing hand, including ultrasonic wave generating device and washing tank, the washing tank is used for holding the washing liquid and washs the hand, and ultrasonic wave generating device is arranged in producing the ultrasonic wave and transmits the ultrasonic wave to the washing liquid of washing tank, produces cavitation in the washing liquid, and the washing liquid constantly explodes the back and produces energy, and the energy constantly strikes hand surface, destroys the spot attached to the hand, makes its schizolysis break away from the hand, and it is effectual to wash the hand degerming, and is small and handy, the convenient removal.

Description

Portable hand washing instrument for infants

Technical Field

The utility model belongs to the technical field of infant cleaning products's technique and specifically relates to a portable infant appearance of washing hand is related to.

Background

Infants are expected in the future of our country and are the subject of major care in every family. Today, various infectious diseases make our initiative that these babies are always infected in the first season of flu outbreak for two reasons: one is respiratory infection, and the other is hand contact infection. Reducing infant hand contact infections can reduce a significant portion of infectious diseases.

The infants lack certain self-care ability and sanitary consciousness, and are very inconvenient to wash hands; generally, an adult is required to assist in cleaning hands of an infant, but since the hands of the infant are small and the hands of the adult are large, when the adult assists in cleaning the small hands of the infant, the hands of the infant cannot be thoroughly cleaned, for example, between finger slits of the infant, the adult cannot be cleaned by thick fingers, otherwise, injury is easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable infant appearance of washing hand to alleviate the difficult sanitization's of washing hand of the infant who exists among the prior art technical problem.

The utility model provides a portable hand washing instrument for infants, which comprises an ultrasonic generating device and a cleaning tank, wherein the ultrasonic generating device is connected with the cleaning tank; the cleaning tank is used for containing cleaning liquid and cleaning hands in the cleaning tank, and the ultrasonic generating device is used for generating ultrasonic waves and transmitting the ultrasonic waves to the cleaning liquid in the cleaning tank.

Furthermore, a supporting part for supporting the hand part is arranged in the cleaning tank; the supporting part comprises a supporting frame and a supporting plate, the supporting plate is arranged on the supporting frame, and the supporting frame is arranged at the bottom or on the side wall of the cleaning tank.

Further, the supporting plate is of a plane structure or a curved surface structure, and when the supporting plate is of the curved surface structure, a convex surface of the curved surface structure faces upwards.

Furthermore, a groove is formed in the upper surface of the supporting plate, and a buffer strip is arranged in the groove; or, be provided with the buffer block on the backup pad, the buffer block passes through elastomeric element with the backup pad and is connected.

Further, a cover body is arranged on the cleaning tank, the cover body covers the cleaning tank, a fixing plate is arranged in the cover body, and a drying device is arranged on the fixing plate.

Further, still include sterilizing equipment, sterilizing equipment sets up on the fixed plate.

Further, the fixing plates comprise a first fixing plate and a second fixing plate, the first fixing plate and the second fixing plate are arranged perpendicularly to each other, and the drying device is arranged on the first fixing plate; the sterilization device is arranged on the second fixing plate.

Further, the sterilization device is an ultraviolet lamp.

Further, drying device includes fan, wind channel and wind gap, the fan sets up on first fixed plate or second fixed plate, the wind channel sets up in the cavity that lid and fixed plate formed, the wind gap sets up on the lid, fan and wind gap pass through the wind channel and connect.

The ultrasonic generator further comprises a power supply device, the power supply device comprises a lithium battery pack and a charging interface, and the power supply device is connected with the ultrasonic generator and provides electric energy for the ultrasonic generator.

The utility model provides a portable infant appearance of washing hand, including ultrasonic wave generating device and washing tank, the washing tank is used for holding the washing liquid and washs the hand, and ultrasonic wave generating device is arranged in producing the ultrasonic wave and transmits the ultrasonic wave to the washing liquid in washing tank, produces cavitation in the washing liquid, and the washing liquid constantly explodes the back and produces the energy, and the energy constantly strikes hand surface, destroys the spot attached to the hand, makes its schizolysis break away from the hand, and it is effectual to wash hand degerming, and is small and handy, the convenient removal.

Drawings

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

Fig. 1 is a schematic structural view of a portable hand washing instrument for infants according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a first support plate and a support frame of the portable infant hand washing apparatus according to the embodiment of the present invention;

fig. 3 is a schematic structural view illustrating a second support plate of the hand washing device for infants connected to a support frame according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a first support plate of the hand washing device for infants according to the embodiment of the present invention;

fig. 5 is a schematic structural view of a second support plate of the hand washing device for infants according to the embodiment of the present invention;

FIG. 6 is a top view of an embodiment of a second support plate of the hand washing apparatus for infants and toddlers according to an embodiment of the present invention;

FIG. 7 is a front view of an embodiment of a second support plate of the hand washing apparatus for infants;

FIG. 8 is a top view of another embodiment of a second support plate of the hand washing apparatus for infants and toddlers in accordance with an exemplary embodiment of the present invention;

FIG. 9 is a front view of another embodiment of another structure of a support plate of the hand washing apparatus for infants and toddlers according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a cover body of the portable infant hand washing instrument according to the embodiment of the present invention;

fig. 11 is a bottom view of the cover of the hand washing device for infants;

FIG. 12 is a schematic structural view of an embodiment of the hand washing apparatus for infants with a cover according to the embodiment of the present invention;

FIG. 13 is a schematic structural view of another embodiment of the hand washing apparatus for infants with a cover according to the embodiment of the present invention;

fig. 14 is a schematic structural view of the interior of the hand washing device for infants;

fig. 15 is a schematic structural view of the exterior of the hand washing device for infants according to the embodiment of the present invention;

fig. 16 is a top view of the cleaning tank of the hand washing device for infants and young children according to the embodiment of the present invention.

Icon: 1-a power supply device; 101-a lithium battery pack; 102-a charging interface; 2-an ultrasonic wave generating device; 201-ultrasonic drive plate; 202-an ultrasonic transducer; 3, cleaning a tank; 4-a support part; 401-a support frame; 401 a-first support ring; 401 b-support bars; 401 c-a second support ring; 402-a support plate; 402 a-a first limiting plate; 402 b-a second limiting plate; 402 c-a limiting groove; 5-a groove; 6-buffer strip; 7-a buffer block; 8-an elastic member; 9-hanging hooks; 10-a telescopic rod; 11-a cover body; 12-a fixing plate; 1201-a first fixation plate; 1202-a second fixation plate; 13-a drying device; 1301-a fan; 1302-an air duct; 1303-tuyere; 14-a sterilizing device; 1401-ultraviolet lamp; 15-a sound generator; 16-an indicator light; 17-a heating coil; 18-a drain outlet; 19-valve.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-16, the utility model provides a pair of portable infant appearance of washing hand, including ultrasonic wave generating device 2 and washing tank 3, ultrasonic wave generating device 2 with washing tank 3 is connected, washing tank 3 is used for holding the washing liquid, and wash the hand in washing tank 3, ultrasonic wave generating device 2 is arranged in producing the ultrasonic wave and transmits the ultrasonic wave to in the washing liquid in washing tank 3.

In some embodiments, the ultrasonic wave generating device 2 is connected to the cleaning tank 3, and the cleaning solution can contain cleaning solution, which can be water, water added with hand sanitizer or other detergent.

The ultrasonic wave generator 2 can generate ultrasonic waves, transmit the ultrasonic waves into the cleaning liquid in the cleaning tank 3, generate cavitation in the cleaning liquid, generate energy after the cleaning liquid is continuously exploded, and continuously impact the surface of the hand by the energy to destroy stains attached to the hand so as to enable the stains to be separated from the hand through cracking.

When the hands of the infant are cleaned, the fingers and the gaps between the fingers of the infant do not need to be cleaned by the adult any more, and the hands of the infant can be cleaned very rarely by using the hand washing instrument.

The ultrasonic cleaning device has the advantages that the ultrasonic cleaning device is used for cleaning hands of infants, the hand washing and sterilizing effect is good, a tap is not required to be opened in a hand washing basin to wash hands or a water basin is not required to wash hands, the size is light, and the movement is convenient.

When the auxiliary cleaning is carried out by adults, the infant can conveniently find a proper cleaning position.

The ultrasonic wave generated by the ultrasonic wave generating device 2 is a mechanical wave with the frequency higher than 20000 Hz, has good directivity and strong penetrating power, is easy to obtain more concentrated sound energy, has long transmission distance in water and can be used for cleaning. Ultrasonic waves generated by the ultrasonic wave generating device 2 are transmitted into cleaning liquid in the cleaning tank 3, cavitation is generated in the cleaning liquid, the cleaning liquid is continuously exploded to generate energy, the energy continuously impacts the surface of a hand to destroy stains attached to the hand, and the stains are cracked and separated from the hand.

The hand washing instrument can be arranged into a structure in the shape of a vacuum cup, so that the carrying convenience of the hand washing instrument is improved.

Based on the above embodiment, further, a supporting portion 4 for supporting the hand is disposed in the cleaning tank 3; the support part 4 comprises a support frame 401 and a support plate 402, the support plate 402 is arranged on the support frame 401, and the support frame 401 is arranged on the bottom or the side wall of the cleaning tank 3.

The supporting part 4 includes a supporting frame 401 and a supporting plate 402, the supporting frame 401 may be connected to the bottom or the sidewall of the washing tub 3, and the supporting plate 402 is disposed on the supporting frame 401.

The support frame 401 enables the support plate 402 to be positioned at a proper position of the cleaning tank 3, so that the hands of the infant can be conveniently cleaned by the cleaning solution; the hands are surrounded by the cleaning liquid from top to bottom and from left to right, so that the hands can be cleaned more cleanly.

The supporting part 4 is arranged in the cleaning groove 3, so that when the hands of the infant are cleaned, a supporting point can be found in the cleaning groove 3, the infant is not easy to shake, and the hands of the infant can be in the cleaning solution for a long time.

The supporting frame 401 can be directly vertically placed in the cleaning tank 3, or can be fixed in the cleaning tank 3, and is used for supporting the supporting plate 402 and increasing the height of the supporting plate 402, so that the hands of the infant can conveniently extend into the cleaning liquid in the cleaning tank 3 for cleaning; the support plate 402 is used for supporting the hand to prevent the hand from shaking during the cleaning process.

Based on the above embodiment, further, the supporting plate 402 has a planar structure or a curved structure, and when the supporting plate 402 has a curved structure, the convex surface of the curved structure faces upward.

In some embodiments, the upper surface of the support plate 402 is curved or planar; when the upper surface of the support plate 402 is a curved surface, the hands of the infant are difficult to extend into the cleaning solution of the cleaning tank 3 due to the age of the infant; the supporting plate 402 is of a curved surface structure which is designed according to human engineering, the height of the supporting plate 402 can be further increased by the curved surface structure, hands can conveniently hold the supporting plate 402 of the curved surface structure, and comfort and convenience in the cleaning process are improved.

As shown in fig. 2 and 3, the supporting frame 401 includes a first supporting ring 401a, a supporting rod 401b and a second supporting ring 401c, the first supporting ring 401a and the second supporting ring 401c are disposed in parallel, the supporting rod 401b may be two or more, the supporting rods 401b are disposed in parallel, the supporting rod 401b is vertically disposed between the first supporting ring 401a and the second supporting ring 401c, and the supporting plate 402 is disposed on the first supporting ring 401a or the second supporting ring 401 c.

As shown in fig. 4 and 5, the support plate 402 used in cooperation with the support frame 401 is provided with a first limit plate 402a and a second limit plate 402b at both ends thereof, the first limit plate 402a and the second limit plate 402b form a limit groove 402c, and the support plate 402 is fixed by clamping the limit groove 402c on the first support ring 401a or the second support ring 401 c.

The support 401 may also take other structural forms for supporting purposes.

As shown in fig. 6 and 7, based on the above embodiments, further, a groove 5 is provided on the upper surface of the supporting plate 402, and a buffer strip 6 is provided in the groove 5; or, a buffer block 7 is arranged on the support plate 402, and the buffer block 7 is connected with the support plate 402 through an elastic component 8.

In this embodiment, be provided with recess 5 at the upper surface of backup pad 402, be provided with buffering strip 6 in recess 5, buffering strip 6 can reduce the amplitude of hand, avoids with backup pad 402 direct collision, plays the guard action to the hand, improves cleaning process's security and travelling comfort.

In the alternative of this embodiment, the buffer strip 6 may be of sponge, rubber or silicone.

In an alternative of the present embodiment, the cross section of the groove 5 may be a U-shaped structure, a square structure, a rectangular structure, or a trapezoidal structure, preferably a trapezoidal structure; the buffer strip 6 matched with the groove 5 can be in a U-shaped structure, a square structure, a rectangular structure or a trapezoidal structure, and preferably is in a trapezoidal structure; the buffer strip 6 is placed directly in the groove 5 or fixed by means of glue.

In a further preferred embodiment of the present embodiment, as shown in fig. 8 and 9, a cushion block 7 is provided on the support plate 402, and the cushion block 7 and the support plate 402 are connected by an elastic member 8.

In this embodiment, be provided with buffer block 7 on backup pad 402, buffer block 7 passes through elastomeric element 8 with backup pad 402 and is connected, and buffer block 7 can play the cushioning effect under elastomeric element 8's effect, avoids with backup pad 402 direct collision, plays the guard action to the hand, improves cleaning process's security and travelling comfort.

In the alternative of this embodiment, the buffer block 7 may be made of rubber or silicone.

In an alternative of the present embodiment, the elastic member 8 may be a spring or a leaf spring.

As shown in fig. 10 and 11, based on the above embodiment, a cover 11 is further disposed on the cleaning tank 3, the cover 11 covers the cleaning tank 3, a fixing plate 12 is disposed in the cover 11, and a drying device 13 is disposed on the fixing plate 12.

In some embodiments, a cover 11 is disposed on the washing tub 3 to provide an installation space for other functional units, thereby increasing the convenience and functionality of carrying the hand washing apparatus. The drying device 13 may dry the washed hands.

Based on the above embodiment, further, a sterilization device 14 is further included, and the sterilization device 14 is disposed on the fixing plate 12.

As shown in fig. 12, the cover 11 may be hinged to the washing tub 3, and a hook 9 may be provided at an upper opening edge of the washing tub 3 to support the cover 11 and maintain the cover 11 at a certain angle.

In an alternative of this embodiment, as shown in fig. 13, the cover 11 may also be movably connected to the cleaning tank 3 up and down, the cover 11 and the cleaning tank 3 are fixed by two telescopic rods 10, the cover 11 is connected to the top end of the telescopic rod 10, the cleaning tank 3 is connected to the bottom end of the telescopic rod 10, and the cover 11 can rotate on the top end of the telescopic rod 10.

It should be noted that, the drying device 13 and the sterilization device 14 may be provided with electric power by the lithium battery pack 101 independently disposed in the cover 11, or may be provided with an external power supply.

The sterilizing device 14 may be disposed on the fixing plate 12, and the sterilizing device 14 may sterilize the hand washing apparatus to ensure cleanness and sanitation of the hand washing apparatus.

Based on the above embodiment, further, the fixing plate 12 includes a first fixing plate 1201 and a second fixing plate 1202, the first fixing plate 1201 and the second fixing plate 1202 are disposed perpendicular to each other, and the drying device 13 is disposed on the first fixing plate 1201; the sterilization device 14 is disposed on the second fixing plate 1202.

After the cover body 11 is opened, an angle of 45 degrees is formed between the cover body and the upper opening of the cleaning groove 3, the first fixing plate 1201 is parallel to the upper opening of the cleaning groove 3, the second fixing plate 1202 is perpendicular to the upper opening of the cleaning groove 3, and the drying device 13 is arranged on the first fixing plate 1201.

Based on the above embodiments, further, the sterilization device 14 is an ultraviolet lamp 1401.

The sterilizing device 14 can select the ultraviolet lamp 1401, and the ultraviolet lamp 1401 is used for sterilizing the cleaning tank 3; when the ultraviolet lamp is turned on, the cover body 11 needs to cover the washing tank 3 to turn on the ultraviolet lamp, similar to the control principle of the spin dryer of the washing machine, and the switching principle is not described in mastiff here.

Based on the above embodiment, further, the drying device 13 includes a fan 1301, an air duct 1302 and an air inlet 1303, the fan 1301 is disposed on the first fixing plate 1201 or the second fixing plate 1202, the air duct 1302 is disposed in a cavity formed by the cover 11 and the fixing plate 12, the air inlet 1303 is disposed on the cover 11, and the fan 1301 and the air inlet 1303 are connected through the air duct 1302.

In this embodiment, after the hand is cleaned, the hand is placed under the fan 1301, the fan 1301 dries the hand, and the air duct 1302 is disposed in the cavity formed by the cover 11 and the fixing plate 12, so that the size of the cover 11 can be reduced, and the hand washing instrument is more beautiful and portable.

Based on the above embodiment, further, the ultrasonic diagnostic apparatus further includes a power supply device 1, where the power supply device 1 includes a lithium battery pack 101 and a charging interface 102, and the power supply device 1 is connected to the ultrasonic wave generating device 2 to provide electric energy for the ultrasonic wave generating device 2.

In this embodiment, the power supply device 1 adopts the lithium battery pack 101, and can be charged through the charging interface 102, so that the hand washing instrument after charging can be used anytime and anywhere, and convenience in carrying the hand washing instrument out is improved.

As shown in fig. 14, the ultrasonic generator 2 includes an ultrasonic drive board 201 and an ultrasonic transducer 202, the ultrasonic drive board 201 is connected to the power supply unit 1, and the ultrasonic transducer 202 is connected to the cleaning tank 3.

The power supply device 1 provides electric energy, the electric energy is converted into ultrasonic waves through the ultrasonic drive plate 201 and the ultrasonic transducer 202, cavitation is generated in the cleaning liquid, the cleaning liquid is continuously exploded to generate energy, the energy continuously impacts the surface of the hand, stains attached to the hand are damaged, and the stains are cracked to be separated from the hand.

As shown in fig. 15, the sound generator 15 and the indicator light 16 are further included, and the sound generator 15 and the indicator light 16 are connected with the power supply device 1 through a circuit control board. Sounder 15 and pilot lamp 16 can realize voice prompt function, music function and color lamp prompt facility, and the primary effect is playing children's music when wasing, still has the color lamp effect, and the color is more various, makes whole cleaning process let child more cooperate.

The hand washing instrument can be additionally provided with a remote control module, for example, a mobile phone is connected with the hand washing instrument through Bluetooth or wireless, and the power of ultrasonic waves, music switching and the like are controlled through the mobile phone; setting ultrasonic power corresponding to different ages in mobile phone software according to the ages of the infants in the month; so that an adult who uses the infant for the first time can select an appropriate mode according to the month age of the infant; different powers can be selected and set according to the cleanness of hands of the infant.

As shown in fig. 14, a heating coil 17 is provided on the side wall of the cleaning tank 3. The heating coil 17 is powered by the power supply device 1 to heat the cleaning liquid in the cleaning tank 3, so that the temperature of the cleaning liquid is more suitable for the hand skin of the infant.

As shown in fig. 15 and 16, a drain port 18 is provided at the bottom of the washing tub 3, and a valve 19 is connected to the drain port 18. When the cleaning liquid needs to be replaced, the valve 19 is opened to discharge the cleaning liquid in the cleaning tank 3, and after the cleaning liquid is completely discharged, the valve 19 is closed and new cleaning liquid is added.

The utility model provides a portable infant appearance of washing hand, including ultrasonic wave generating device 2 and washing tank 3, be provided with supporting part 4 in the washing tank 3, be used for supporting the hand, washing tank 3 is used for holding the washing liquid and washs the hand, ultrasonic wave generating device 2 is arranged in producing the ultrasonic wave and transmits the ultrasonic wave to the washing liquid of washing tank 3, produce cavitation in the washing liquid, the washing liquid constantly explodes the back and produces energy, the energy constantly strikes the hand surface, destroy the spot of adhering to the hand, make its schizolysis break away from the hand, it is effectual to wash the hand degerming, and small and handy, the convenient removal.

The hands of the infant are inserted into the cleaning tank 3 with the assistance of an adult, and the hands of the infant are placed on the supporting part 4 to support the hands of the infant to a certain degree, so that the infant is not easy to fall down.

For example, when an infant stands, the hands of the infant extend into the cleaning tank 3, the infant can lean forward at the moment, and the infant does not fully develop and can excessively lean forward to cause falling down or the hands of the infant do not have a point of exertion, so that the body of the infant is easy to shake; the adult assists the infant to use, and the support part 4 supports the hand of the infant, so that the infant can be cultured slowly and self-standing can be realized.

The supporting part 4 supports the hands of the infant, provides a supporting point for the infant and is beneficial to the body shape stabilization of the infant.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A portable hand washing instrument for infants is characterized by comprising an ultrasonic generating device and a cleaning tank, wherein the ultrasonic generating device is connected with the cleaning tank;

the cleaning tank is used for containing cleaning liquid and cleaning hands in the cleaning tank, and the ultrasonic generating device is used for generating ultrasonic waves and transmitting the ultrasonic waves to the cleaning liquid in the cleaning tank.

2. The portable infant hand washing apparatus of claim 1, wherein a support portion for supporting a hand is provided in the washing tank; the supporting part comprises a supporting frame and a supporting plate, the supporting plate is arranged on the supporting frame, and the supporting frame is arranged at the bottom or on the side wall of the cleaning tank.

3. The portable infant hand washing apparatus of claim 2, wherein the support plate is of a planar or curved configuration,

when the supporting plate is of a curved surface structure, the convex surface of the curved surface structure faces upwards.

4. The portable infant hand washing apparatus of claim 2, wherein the support plate is provided with a groove on an upper surface thereof, and a buffer strip is provided in the groove;

or, be provided with the buffer block on the backup pad, the buffer block passes through elastomeric element with the backup pad and is connected.

5. The portable hand washing instrument for infants according to claim 3, wherein a cover is arranged on the cleaning tank, the cover is covered on the cleaning tank, a fixing plate is arranged in the cover, and a drying device is arranged on the fixing plate.

6. The portable infant hand washing apparatus of claim 5, further comprising a sterilization device disposed on the stationary plate.

7. The portable infant hand washing apparatus of claim 6, wherein the fixing plates comprise a first fixing plate and a second fixing plate, the first fixing plate and the second fixing plate are arranged perpendicular to each other, and the drying device is arranged on the first fixing plate; the sterilization device is arranged on the second fixing plate.

8. The portable hand washing apparatus for infants and young children as claimed in claim 6, wherein the sterilizing device is an ultraviolet lamp.

9. The portable infant hand washing instrument of claim 7, wherein the drying device comprises a fan, an air duct and an air opening, the fan is arranged on the first fixing plate or the second fixing plate, the air duct is arranged in a cavity formed by the cover body and the fixing plate, the air opening is arranged on the cover body, and the fan and the air opening are connected through the air duct.

10. The portable hand washing apparatus for infants, according to claim 1, further comprising a power supply device, wherein the power supply device comprises a lithium battery pack and a charging interface, and the power supply device is connected with the ultrasonic wave generating device to supply electric energy to the ultrasonic wave generating device.