KR20020069325A - Body and water tank, dryer of bidet for baby - Google Patents

Abstract

PURPOSE: A body of a bidet for infants is provided to use wirelessly by having a charger built-in and to charge easily. CONSTITUTION: The body of a bidet for infants comprises: a case provided with an upper body having a water tank housing groove, a dryer housing groove(18) and a display, a lower body having legs and a fitting plate(16) interposed between the upper and the lower bodies; a heater part(30) provided with a thermal conductive plate(32) covering up the water tank housing groove(16) and a heater(34) installed to the side of the thermal conductive plate(32) or the lower body; a charging terminal(46) projected to the surface of the dryer housing groove(18) through an inner wall of the dryer housing groove(18) of the case; a PCB plate connected with the display, the heater(34) and the charging terminal(46); and a controller provided with a micom for controlling the components.

Description

Bidet body for baby and its bucket, dryer {BODY AND WATER TANK, DRYER OF BIDET FOR BABY}

The present invention relates to an infant bidet body for washing and drying feces or urine of an infant and a bucket thereof, and a dryer thereof.

In the related art, there is a "child bidet" (Korean Utility Model Registration No. 190273), which has been registered and announced by the inventor of the utility model. Referring to FIG. 8, the conventional children's bidet 300 includes a body 302, a water tube 304 stored in the body 302, and a dryer 206 connected to the body 302 by wire. .

Utility model registration "child bidet for children" (Korean Utility Model Registration No. 190273), which is an advance of a new concept of a new concept that did not exist in the prior art, but uses a dryer (206) wirelessly, a water bottle (water bath) The need for a children's bidet capable of rapid heating in some cases, while controlling the water temperature of the tube, 304 to an appropriate temperature has emerged.

An object of the present invention is to provide a baby bidet dryer that is built-in charger, easy to charge to enable wireless use.

Another object of the present invention is to provide an infant bidet bucket easy to spray water.

Still another object of the present invention is to be able to accommodate a bidet dryer and a bucket for the baby, it is possible to charge the dryer in any direction, and even if the bucket is stored in any direction, the baby bidet body can be heated and maintained at a constant temperature, rapid heating To provide.

Still another object of the present invention is to provide an infant bidet main body that automatically controls the operation of the heater by automatically detecting whether the water is stored in the water tank and the amount of water stored in the water tank.

1 is a perspective view of a baby bidet body and a baby bidet bucket and a dryer according to the present invention.

Figure 2 is a sectional view of the main part of the infant bidet main body of Figure 1;

3 is a graph of water temperature change by quantity of a PTC heater having a ceramic element having a Curie temperature of 70 degrees.

FIG. 4 is a graph of water temperature change by temperature of a PTC heater having a ceramic element having a Curie temperature of 70 degrees, 97 degrees, 105 degrees, and 170 degrees in the same state as in FIG. 3; FIG.

5 is a configuration diagram of a control unit.

Figure 6 is an exploded perspective view of the infant bidet bucket is stored in the bucket storage groove of the infant bidet body of Figure 1;

Figure 7 is an exploded perspective view of the infant bidet dryer accommodated in the dryer receiving groove of the infant bidet body of Figure 1;

8 is a cross-sectional view of a conventional children's bidet

* Explanation of symbols for main parts of the drawings

10: main body 30: heater

32: heat conduction plate 34: heater

36: water tank sensor 38: temperature sensor

46: charging terminal 52: control unit

100: bucket

200: dryer 208: motor

212: rotor blade 214: charger

In order to achieve the above object, the present invention provides a main body including a bucket storage groove in which a storage space in which a bucket is stored, and a dryer storage groove in which a storage space in which a dryer is stored, are formed downward, and a display is provided in the front portion. An upper portion: a lower portion of the main body provided with legs; A heat conduction plate surrounding the water tank receiving groove around the inner surface of the water tank housing groove of the case; a heater unit having a heater installed on the side or the bottom of the body of the heat conduction plate; A charging terminal penetrating the inner wall of the dryer storage groove of the case and protruding from the surface of the dryer storage groove; A PCB board connected to the display, the heater and the charging terminal; It provides a baby bidet body comprising a; control unit having a microcomputer to control them. The heater may be two or three PTC heaters.

The present invention may further include a sensor installed at the bottom of the main body of the bucket storage groove to measure whether the barrel is stored in the bucket storage groove and the amount of water contained in the bucket to turn on / off the heater. The bucket sensor is a sensor rod penetrating the hole formed in the bottom of the bucket storage groove extending into the case, the compression spring is installed around the sensor rod to give elasticity, and is switched on / off by the switching operation of the sensor rod It has a micro switch.

The case material of the heat conduction plate contact portion of the bucket receiving groove may be melamine.

In addition, the present invention, the charging terminal has a first charging terminal protruding above and below the side of the dryer storage groove, the first charging terminal in contact with the bottom of the dryer, and the second charging terminal in contact with the side of the dryer.

In another aspect, the present invention, the microcomputer is composed of a display unit for controlling the display of the case, a heater unit for controlling the micro switch of the heater and the sensor, a charging unit for charge control of the charging terminal, and various application software Has an input.

According to another aspect of the invention, the present invention, in the infant bidet bucket is stored in the bucket storage groove of the infant bidet body, a groove is formed in the outer bottom and side portions, the body in which the water and the injection hole And a spray hole screwed to the spout of the body, a lid for opening and closing the spray hole, and a protective cover press-connected to the groove in the same shape as the groove of the bucket.

The protective skin material is ABS, the body and the injection port, the material of the lid is PE, the protective skin and the groove of the body can be connected to each other is formed with a protrusion and a groove crimped.

According to another aspect of the present invention, the present invention, in the infant bidet dryer accommodated in the dryer storage groove of the infant bidet body, a motor, a rotary wing axially connected to the motor, the charger, the motor and the charger, A PCB plate connected to a charging terminal and a circuit, a case having the motor, the charger, and the PCB plate embedded therein, and having a hole through which winds of the rotary blades are sprayed to the outside; Has,

When the charging terminal is installed on the lower side of the body, the charging terminal is in the shape of a band, when the charging terminal is installed on the floor, the charging terminal may be in contact with the bottom of the dryer receiving groove in any direction.

The PCB board may be embedded in a melody chip to generate a melody sound when the on / off switch of the deir is pressed.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1.Body of bidet for baby

1, there is shown an infant bidet body 10, an infant bidet bucket 100, and a dryer 200 according to the present invention. The infant bidet main body 10 has a case 17 having a main body upper portion 12, a lower body 14, and a seating plate 16.

The upper body part 12 has a bucket storage groove 16 and a dryer storage groove 18 in which a storage space for accommodating the baby bidet bucket 100 and the dryer 200 is formed, respectively. On the front of the main body 12, a display 20, a power button 22, and a rapid heating button 24 of a heater 34 to be described below are provided. The display 20 includes a charging state display unit 20a of the charger 200 of the dryer 200, a water temperature proper state display unit 20b of the six bar-shaped water tanks 100, and a water shortage display unit 20c of the water tank 100. It consists of. They preferably use LEDs, but may use other active or passive components. The AC input power by the power button 22 may be either AC220V, 50 / 60Hz, or AC110V, 50 / 60Hz.

A leg 26 is provided below the main body lower portion 14. The seating plate 12 is inserted in the shape of a tray between the upper body 12 and the lower body 14 to house internal components, which will be described later.

2 is a cross-sectional view of the infant bidet body 10 of FIG. Referring to FIG. 2, the main body 10 is located at the bottom of the bucket storage groove 16 and has a heater part 30 installed inside the case 17. The heater unit 30 includes a heat conduction plate 32, a PTC heater 34, a water bottle sensor 36, and a temperature sensor 38. The heat transfer plate 32 is in contact with the inner surface of the case 17 and surrounds the bucket storage groove 16. The heat transfer plate 32 is made of a material having high thermal conductivity, for example, aluminum. The part of the case 17 (part shown by hatching in FIG. 2) in contact with the heat transfer plate 32 is a material having a high heat resistance, for example, melamine (MF), unlike the material of the case 17 as a whole. The PTC heater 34 is preferably two as a constant temperature heater, but may be one or three or more. One of the PTC heaters 34 uses one having a low Curie temperature, for example, 70 degrees, and the other uses one having a high Curie temperature, for example, 105 degrees. At this time, the PTC heater 34 operates only one heater when the temperature of the water tank and the water is higher than or equal to the lower limit of the appropriate temperature value (referred to as general heating). Specific driving methods will be described below.

The PTC heater 34 is composed of a ceramic element, an insulating film surrounding the ceramic element, a thermal conductor surrounding the insulating film, a conductive film passing through the insulating film and the thermal conductor and connected to the ceramic element. The ceramic element of the PTC heater 34 has BaTi2O3 as a main component and other additives are added. The type and amount of this additive will affect the physical properties. The ceramic element of the PTC heater 34 preferably has a Curie Temperature of 70 to 170 degrees. 3 is a graph of water temperature change according to the number of PTC heaters having a ceramic element having a Curie temperature of 70 degrees. That is, Figure 3 shows the result of heating the water of 300cc, 150cc and 100cc, respectively, by placing a bucket of the same configuration as the present invention in an aluminum heat transfer plate and placing a PTC heater under the heat transfer plate. It took 30 to 60 minutes for the temperature of the water to reach 25 to 35 degrees. FIG. 4 is a graph of water temperature change by temperature of a PTC heater having a ceramic element having a Curie temperature of 70 degrees, 97 degrees, 105 degrees, and 170 degrees in the same state as in FIG. 3. As a result, it took 20 to 60 minutes for the water temperature to reach 25 to 35 degrees.

The bucket sensor 36 has a sensing rod 38, the compression spring 40, the prevention plate 42, the bracket 43 and the micro switch 44. The sensing rod 38 extends through the hole formed in the bucket insertion groove 16 and the heat transfer plate 32 to the inside of the case. The compression spring 40 is installed around the sensing rod 38 to impart an elastic force. One end of the compression spring 40 is fastened to the bracket 43, and the other end is fastened to the prevention plate 42. The prevention plate 42 has a diameter larger than the diameters of the holes of the bucket insertion groove 16 and the heat transfer plate 32 to limit the distance that the sensing rod 38 is extended by the elastic force of the compression spring. The bracket 43 fixes the bucket sensor 36 to the seating plate 16. The microswitch 44 turns on / off one of the heaters 34 by the vertical movement of the sensing rod 38.

The temperature sensor 38 is installed on one side, for example, a side surface of the heat conduction plate 32 to measure the temperature of the heat conduction plate 32 reflecting the temperature of the water tank 100 and the water. If the measured temperature is the lower limit of the appropriate temperature value, for example, 15 degrees or less, both heaters 34 are driven to rapidly heat the water temperature. If the upper limit of the appropriate temperature value, for example, 35 degrees or more, the driving of one heater 34 is stopped and only one heater 34 is driven to maintain the water temperature at a constant temperature.

2, the charging terminal 46 penetrates the inner wall of the dryer storage groove 18 of the case 17 and protrudes from the surface of the dryer storage groove 18. The charging terminal 46 includes a first charging terminal 48 and a second charging terminal 50. The first charging terminal 48 protrudes from the bottom of the surface of the dryer storage groove 18, and the second charging terminal 50 protrudes from the surface side of the dryer storage groove 18.

The main body 10 has a PCB board not shown in the figure and a control unit 52 shown in FIG. The PCB board is connected to the display, the heater, the charging terminal, and a plurality of chips. Referring to FIG. 5, the controller 52 includes a microcomputer 53, a display unit 54 for controlling the display 20 of the case 17, a micro switch of the heater 34 and the water bottle sensor 36. A control heater 56 for controlling 44, a charging unit 58 for charging control of the charging terminal 46, and an input unit 60 composed of various application software.

The display unit 54 is an operating state of the heater 34 (general heating / rapid heating), a charging state of the rechargeable battery 214 of the dryer 200 of FIG. 7, and water shortage of the bucket 100 of FIG. 6. It consists of states. In the general heating operation, only one heater 34 is displayed, and in the rapid heating driving, both heaters 34 are displayed. The six LEDs for indicating the operation state of the heater 34 (general heating / rapid heating) are repeatedly lit in the order of LED1 to LED6. The state of charge of the rechargeable battery 214 indicates charging / completed charging with one LED, and the water shortage state of the bucket 100 indicates whether the bidet container is seated with one LED and whether the water in the container is charged. The LED display unit 54 may have other display units for displaying different states.

The control heater 56 is composed of two heaters 34, in which only one heater operates during normal heating, and simultaneously operates two heaters during rapid heating to reach the saturation temperature of the PTC heater 34. Speed up time

The charging unit 58 is a device for charging the dryer 200, the charger 214, and charges the battery in a quick time by a quick charge method using a constant current and a PWM output.

The input unit 60 is composed of a bucket detection S / W, a power supply S / W, a general heating / rapid heating S / W. Bucket detection S / W detects the storage state of the bucket receiving groove 16 of the bucket 100 and the filling state of the water in the bucket. The power supply S / W reads the on / off operation state of the power supply, and the general heating / rapid heating S / W reads the operation information of the heater 34 and transmits it to the microcomputer 53.

2. Water tank of bidet for baby

FIG. 6 is an exploded perspective view of the infant bidet bucket 100 accommodated in the bucket receiving groove 16 of the infant bidet body 10 of FIG. 1. Referring to FIG. 6, the baby bidet bucket 100 has a torso 102, a protective cover 104, an injection hole 106, and a lid 108. The body 102 is a heat resistant soft material, for example, PE, and the protective shell 104, the injection hole 106, and the lid 108 are hard materials of heat resistance, for example, ABS material.

The body 102 is shaped to be accommodated in the bucket storage groove 16 of the baby bidet body 10. The spout 109 of the bucket 102 is formed with a male acid. The body 102 has an overall shape in which the front part is inclined forward, and may easily flow water contained in the body 102. The body 102 has grooves 110 formed in the outer bottom 110a and the side portion 110b. In the side portion 110b of the groove 110, a horizontal groove 112 is formed in the horizontal direction in the drawing. Similarly, in the bottom portion 110a of the groove 110, the horizontal groove is not shown in the drawing. have.

Protective skin 104 is pressed into the groove in the same shape as the groove 110 of the body (102). Protrusion 114 is formed on the bottom of the inner wall of the protective skin 104 is a male and female and the horizontal groove in the horizontal direction not shown in the drawing on the bottom portion (110a) of the groove 110 of the body (102). Similarly, projections not shown in the drawings are formed on the sidewalls of the protective skin so that the female slots 112 and the transverse straight grooves 112 in the lateral direction 110b of the grooves 110 of the body 102 are fixed.

The injection hole 106 is composed of a body 116 and the head 118. Body 116 is formed on the inner wall of the female thread that is threaded to the male thread of the spout 109 of the body 102. Head 118 is a hole 120 is sprayed with water is injected. The head 118 has a cylindrical shape and an inner hole that is tapered at the end to form a nozzle.

The lid 108 opens and closes the injection hole 120. The lid 108 is connected to the body of the injection hole 106 on one side, and a hat brim-shaped protrusion is formed on the opposite side of the lid 108 to easily open the lid by hand. It is preferable that the hat brim is not limited thereto, but is not limited thereto, and may be configured to open the lid by pressing the push button with one hand.

3. Dryer of bidet for baby

FIG. 7 is an exploded perspective view of the infant bidet dryer 200 accommodated in the dryer receiving groove 16 of the infant bidet body 10 of FIG. 1. Referring to FIG. 7, the infant bidet dryer 200 includes a case 201, a motor unit 202, a charging unit 204, and a PCB board 206.

The case 201 cases the motor unit 202, the charging unit 204, and the PCB plate 205. The case 201 is composed of two pieces, a front portion 201a and a rear portion 201b, and casing the parts because they are engaged with each other. A plurality of wind holes 201c are formed at the upper end of the front part 201a and the rear part 201b of the case 201, and thus become a passage through which wind flows. An on / off switch 201d is provided at the bottom of the rear portion 201b of the case 201. The inner and inner walls of the case 201 are configured such that the parts are cased.

The motor unit 202 has a small motor 208, a motor case 210 and a rotary blade 212. The motor 208 is cased in the motor case 210 and is axially connected to the rotary blade 212. The motor 208, the motor case 210, and the rotary blades 212 are located in parallel with the wind hole 201c of the case 201. The motor 208 is circuit-connected with the chips of the PCB board 205.

The charging unit 204 includes a charger 214, a bottom terminal 216, and a ring terminal 218. Preferably, two chargers 214 are not limited thereto. The bottom terminal 216 and the ring terminal 218 are ring-shaped around the lower sidewalls of the front and rear surfaces 201a and 201b of the case 201. The ring terminal 218 is combined when two half rings circumscribe the bottom sidewall of the case 201 to form a complete ring. The bottom terminal 216 is installed at the bottom of the case 210. The charger 214 is circuit-connected with the bottom terminal 216 and the ring terminal 218 via chips of the PCB board 205. As shown in FIGS. 1 and 2, the bottom terminal 216 and the ring terminal 218 are respectively provided with the first charging terminal 48 and the second charging terminal when the dryer 200 is accommodated in the dryer storage groove 18. The charger 214 is charged using the power of the main body 10 by surface contact with the charging terminal 50.

As described above, the PCB board 206 is circuit-connected by the motor 208 and the charger 214, the bottom terminal 216, the ring terminal 218, and the chips.

Hereinafter, the operation of the present invention will be described with reference to FIGS. 1 to 7.

The bucket storage groove 16 and the dryer storage groove 18 of the main body 10 are accommodated in the bucket 100 and the dryer 200, respectively. If the water tank 100 is not stored in the water tank receiving groove 16 or the amount of water stored in the water tank 100 is less than a predetermined amount, the sensing rod 38 of the water tank sensor 36 detects the micro switch 44. Since it does not operate and keeps it off, the heater 34 is not driven. The lack of water indicator 20c of the bucket 100 displays whether the bucket 100 is accommodated and the amount of water stored in the bucket 100. When the bucket 100 is accommodated in the bucket receiving groove 16 and the amount of the water stored in the bucket 100 is greater than a predetermined amount, the sensing rod 38 is vertically lowered to operate the micro switch 44 so that the heater 34 is out of the heater 34. Drive only one The temperature of the water stored in the bucket 100 is smaller than the lower limit of the appropriate temperature value, the temperature sensor 38 senses the temperature of the water to drive the other one of the heaters 34 to heat rapidly.

The two PTC heaters 34 generate heat, and the generated heat is transferred to the water stored in the water tank 100 through the heat conduction plate 32 and the melamine case 17 and the water tank 100 to heat the water. Let's do it. Due to the characteristics of the PTC heater 34, when the water temperature reaches a certain temperature, the temperature is maintained at a constant temperature. The user removes the bucket 100 from the bucket storage groove 16, opens the lid 108, presses the body 102 of the bucket 100, and sprays water at a constant temperature to the hips of the infant, thereby displacing the feces of the infant. Let it flow down into the diaper under your hips. By removing the diaper, the feces of the infant will be conveniently handled in one place. In the water temperature proper state display unit 20b of the water tank 100, LEDs light up sequentially from the bottom up according to the water temperature. Bucket 100 can be used to treat the feces of the infant, as well as can be used in the infant's bath in the same way.

On the other hand, since there is water in the butt of the infant, the water container 100 is stored again in the water tank storage groove 16. Even if the water container 100 is accommodated in the water container receiving groove 16 in any direction, the same operation is performed. The dryer 200 is removed from the dryer storage groove 18 and the on / off switch 201d is pressed on the rear portion 201b of the case 201 to operate the motor 208 of the dryer 200. The motor 208 rotates the rotary blade 212 to generate wind to the wind hole 201c. Since the wind hole 201c of the dryer 200 is taken to the butt of the infant, the water of the butt of the infant is dried using the wind. When the use of the dryer 200 is completed, the dryer 200 is stored in the dryer storage groove 18 again. The bottom terminal 216 and the ring terminal 218 of the dryer 200 accommodated in the dryer storage groove 18 may be configured to accommodate the first direction of the main body 10 no matter in which direction the dryer 200 is accommodated in the dryer storage groove 18. Surface contact with the charging terminal 48 and the second charging terminal 50. The surface contact of the electric power is supplied from the main body 10, the charger 214 of the dryer 200 is automatically charged. If the state of charge of the charger 214 of the dryer 200 is insufficient, it is displayed on the dryer state of charge display unit 20a of the display 20 of the main body 10. Although the present invention has been described above with reference to one embodiment, The invention is not limited thereto.

In the exemplary embodiment of the infant bidet main body 10, the temperature sensor 38 indicates that the heater 34 is automatically heated rapidly when the temperature of the water is lower than an appropriate temperature. Since the rapid heating button 24 is pressed, the rapid heating operation may be performed manually, or the automatic rapid heating and the manual rapid heating operation may be performed in parallel.

The front part of the baby bidet body 10 may further include a light emission control button to adjust the on / off of LED light emission of the display 20. At this time, the input unit 60 is added to the circuit configuration for adjusting the LED light on / off operation state.

In the exemplary embodiment of the infant bidet dryer 200, it has been described that the indoor wind is generated by using the motor 208 and the rotor blades 212, but a warm wind may be generated by installing a heating wire around the wind hole 201c. It may be.

The PCB board 206 of the baby bidet dryer 200 may be embedded in a melody chip to generate a melody sound when the on / off switch 201d of the deair 200 is pressed.

As described above, the present invention has a built-in charger to enable wireless use, there is an effect of providing an easy-to-charge baby bidet dryer.

In addition, the present invention has the effect of providing an infant bidet bucket easy to spray water.

In addition, the present invention can accommodate the bidet dryer and the bucket for the baby, and can be charged in any direction the dryer is stored, and even if the bucket is stored in any direction to provide a heated bidet body for infants to maintain heating and constant temperature, rapid heating It works.

In addition, the present invention has the effect of providing an infant bidet body for automatically controlling the operation of the heater by automatically detecting whether the storage of the bucket and the amount of water stored in the bucket, the temperature of the water in the bucket.

Claims (11)

The upper part of the main body having a water container storage groove formed with a storage space for storing the water tank and the dryer storage groove formed with a storage space for storing the hair dryer downward, the display being provided in the front portion: a main body lower portion provided with legs A case having a seating plate inserted between an upper body portion and a lower body portion so that internal parts are seated; A heat conduction plate surrounding the water tank receiving groove around the inner surface of the water tank housing groove of the case; a heater unit having a heater installed on the side or the bottom of the body of the heat conduction plate; A charging terminal penetrating the inner wall of the dryer storage groove of the case and protruding from the surface of the dryer storage groove; A PCB board connected to the display, the heater and the charging terminal; A baby bidet body comprising a; control unit having a microcomputer to control them. The method of claim 1, The heater is a bidet body for children, characterized in that the two PTC heater. The method of claim 1, Installed on the bottom bottom of the body of the bucket storage groove further includes a sensor for measuring the amount of water contained in the bucket storage groove and the bucket storage groove to turn on / off the heater, The bucket sensor, the sensing rod extending through the hole formed in the bottom of the bucket receiving groove extending into the case, the compression spring is installed around the sensing rod to give an elastic force, by the switching operation of the sensing rod on / off A baby bidet body having a micro switch. The method of claim 1, Infant bidet body, characterized in that the case material of the heat conduction plate contact portion of the bucket receiving groove is melamine. The method of claim 1, The charging terminal has a first bidding terminal protruding above and below the side of the dryer receiving groove, the first charging terminal in contact with the bottom of the dryer, and the second charging terminal in contact with the side of the dryer. The method of claim 1, The microcomputer has a display unit for controlling the display of the case, a heater unit for controlling the micro switch of the heater and the sensor, a charging unit for charging control of the charging terminal, and an input unit including various application software. The infant bidet body to assume. In the infant bidet bucket is stored in the bucket storage groove of the infant bidet body, Grooves are formed in the outer bottom and side surfaces, and a body into which water is contained, an injection hole provided with a spray hole, screwed into a spout of the body, a lid for opening and closing the spray hole, and the same shape as the groove of the water bottle. Infant bidet bucket having a protective cover, which is crimped to the groove. The method of claim 7, wherein The material of the protective cover is ABS, the body of the body and the injection port, the lid is PE, the protective cover and the groove of the body is a baby bidet bucket, characterized in that the projection and groove is formed by crimp connection. In the infant bidet dryer stored in the dryer storage groove of the infant bidet body, The motor, the rotor blades axially connected to the motor, the charger, the PCB board connected to the circuit with the motor and the charger, the following charging terminal, the motor, the charger, the PCB board is built in, the wind of the rotor blade is injected to the outside An infant bidet dryer having a case having a hole formed therein, and a charging terminal provided at a lower side and / or bottom of the body of the case. The method of claim 9, When the charging terminal is installed on the lower side of the body, the charging terminal is in the shape of a band, When the charging terminal is installed on the floor, the charging terminal is an infant bidet dryer, characterized in that the contact with the bottom of the dryer receiving groove in any direction. The method of claim 9 or 10, The PCB board is equipped with a melody chip, and pressing the on / off switch of the Deair baby bidet dryer, characterized in that to generate a melody sound.