KR100544413B1 - Hand Dryer - Google Patents

Abstract

According to the present invention, after the external air is heated to a predetermined temperature by using the waste heat generated from the motor, it is directed toward the hand opening formed on the upper side of the body. The present invention relates to a hand dryer that allows to dry hands in a short time by discharging in both directions.

In the hand dryer according to the present invention, a hand input unit having a predetermined space is formed in the upper center portion to insert a hand, and nozzles for discharging hot air toward the hand input unit are formed at both upper sides, and an air inlet is formed at the lower side. Y'-shaped body, which is installed in the main body, the inside of the 'Y' shape of the hollow shape and the upper side is in communication with the nozzle of the main body, and installed in the lower portion in the body to allow the outside air to flow It comprises a duct having a hot air generating means for discharging the air in the heated state through the nozzle on the upper side, and a control module for driving control of the hot air generating means, the hot air generating means is installed in the lower portion of the body A fan, a motor installed at the upper side of the fan to rotate the fan, soundproof means installed at the upper side of the motor, and an image of the body communicating with the nozzle. Comprising a first and a second path plate is installed on the soundproof means and the first and the second path plate is a plurality of discs formed with a plurality of holes on one side is installed in the form of a predetermined distance apart each disc The holes formed in the is characterized in that the installation is arranged in a position facing each other.

Description

Hand Dryer

1 and 2 are views for explaining the configuration of a conventional hand dryer.

Figure 3 shows the external appearance of the hand dryer according to the invention.

4 shows a cross section of a hand dryer according to the invention;

5 is a view for explaining the configuration of the nozzle 12 shown in FIG.

6 is a view for explaining the configuration of the hot air generating means 22 shown in FIG.

FIG. 7 is a block diagram functionally separating the internal configuration of the control module 30 shown in FIG.

FIG. 8 is a functional block diagram showing an internal configuration of the power supply control block 34 shown in FIG.

9 is a diagram showing the configuration of the water receiving means 40 shown in FIG.

10 and 11 are views for explaining another embodiment of the hand dryer according to the present invention.

******* Brief description of the main parts of the drawing *******

10: main body, 11: hand insert,

12 nozzle, 13 sensor,

14: display means, 20: duct,

21 body, 22 hot air generating means,

30: control module, 40: drip means,

50: air filter.

The present invention relates to a hand dryer that enables to dry hands in a short time by heating external air to a predetermined temperature by using waste heat generated from a motor and then discharging it in both directions toward a hand input formed on the upper side of the main body.

People wash their hands or wash their hands to keep clean. Your hands will be washed several times a day, and after you wash your hands, use a towel to wipe off the water on your hands.

Meanwhile, in the case of a public toilet installed in a general building or a public institution, a paper towel is provided as a means for removing water on a user's hand after washing hands. However, since paper towels are disposable, there is a lot of waste of resources as well as inconvenience that requires continuous management.

Thus, in recent years, a hand dryer, which generates hot air when a hand is sensed to dry a hand, is widely used in public toilets.

1 and 2 show a conventional hand dryer 1, FIG. 1 is an external perspective view of the hand dryer 1 and FIG. 2 is a schematic cross-sectional view of the hand dryer 1.

In the conventional hand dryer 1, a discharge port 3 is formed below the main body 2, and a hot air device 4 for generating hot air at a predetermined temperature therein to discharge the hot air through the discharge port 3 is provided. It is provided. In addition, a sensor 5 for detecting an approach of a hand is installed below the main body 2 near the outlet 3.

That is, the hand dryer 1 is operated so that the hot air device 4 is driven when the approach of the hand is detected by the sensor 5 so that the predetermined hot air is discharged through the outlet 3.

At this time, since the hot air discharged from the hand dryer 1 is discharged in one direction, the user has to uncomfortable to dry the hand after placing the hand on the lower side of the hand dryer 1 to dry the wet hand quickly.

In addition, the hot air device (4) of the hand dryer (1) to discharge the hot air of a temperature suitable for drying the hand, although not shown, the temperature of the air introduced by the rotation of the motor and the fan for driving the fan A predetermined heating means for raising, for example, a heating wire or a heater is provided.

In other words, the conventional hand dryer requires a separate heating means to increase the temperature of the air. This, in turn, acts as a factor to increase the price of the hand dryer, as well as a preheating time for driving the heating means is required to act as a factor that increases the driving time of the hand dryer.

Accordingly, the present invention has been made in view of the above circumstances, by using the waste heat generated by the driving of the motor to increase the outside air to an appropriate temperature and discharge the hot air within a short time to drive the driving time compared to the conventional hand dryer It is a technical object to provide a hand dryer that can be shortened.

The hand dryer according to the present invention for achieving the above object has a hand input portion having a predetermined space so as to put the hand in the upper center portion, and nozzles for discharging hot air toward the hand input portion are formed on both upper sides. In the air inlet is formed a 'Y' shaped main body, which is installed in the main body, the inside of the 'Y' shape of the hollow shape and the upper side is in communication with the nozzle of the main body, and installed in the lower part of the body And a duct having hot air generating means for injecting outside air and discharging the heated air through the nozzle on the upper side, and a control module for driving control of the hot air generating means. A fan installed in the lower part of the body, a motor installed at the upper side of the fan to rotate the fan, soundproof means installed at the upper side of the motor, And a first path and a second path plate provided on an upper side of the body communicating with the bla, wherein the soundproofing means and the first and second path plates are spaced apart from each other by a plurality of discs having a plurality of holes formed at one side thereof. It is installed in a predetermined form, characterized in that the holes formed in each of the discs are arranged to be disposed in a position opposite to each other.

That is, according to the above, the user can conveniently dry the hand by inserting the hand into the hand input part formed on the main body. In addition, the hot air is discharged to the back of the hand and the palm, but by using the waste heat of the motor to generate hot air without the need for a separate heating means, the time until the hot air is discharged is shortened so that the user can dry hands in a short time.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

Figure 3 is a view showing the appearance of the hand dryer according to the invention, Figure 4 is a cross-sectional view of the hand dryer according to the present invention.

3 and 4, the hand dryer according to the present invention includes a rectangular main body 10, a duct 20 installed inside the main body 10 to generate a predetermined hot air, and a hand dryer. It is configured to include a control module 30 for controlling the overall.

That is, the hand dryer according to the present invention generates hot air through the duct 20 under the control of the control module 30 to discharge the hand dryer 11 formed in the main body 10.

Hereinafter, the configuration of the hand dryer according to the present invention in more detail.

First, in the upper center portion of the main body 10 is formed a hand input portion 11 having a predetermined width so that the user's hand can be put.

The hand input part 11 is configured to have a shape in which both sides are open while the hole 111 for discharging the water on the user's hand into the main body 10 is formed. At this time, the hole 111 is formed on the lower surface of the hand input unit 11, the water input unit so that water dropped from the user's hand to the bottom of the hand input unit 11 flows in the direction in which the hole 111 is formed ( The lower surface of 11) is formed to be inclined. That is, the hole 111 is formed below the inclination. In addition, at least one hole 111 may be formed on both sides of the hand input part 11. In addition, in order to allow the water dropped on the bottom of the hand inlet 11 to flow into the hole 111 without flowing out of the hand dryer, the lower ends of both sides of the hand inlet 11 are formed such that the jaw 112 of a predetermined height is formed. It would be desirable to construct.

On the other hand, the main body 10 has the first and second protrusions 101 and 102 formed on both sides of the hand input part 11 because the hand input part 11 is formed at the upper center thereof. That is, the main body 10 has a "Y" shape when viewed from the side. In this case, the second protrusion 102 is formed higher in the upward direction than the first protrusion 101.

The nozzles 12 are formed on the first and second protrusions 101 and 102 in the direction toward the hand inserter 11, respectively.

The nozzles 12 are formed in plural and arranged in a horizontal direction of the main body 10. That is, the nozzle 12 is configured so that the first nozzle 121 formed on the first protrusion 101 and the second nozzle 122 formed on the second protrusion 102 discharge hot air toward the hand inlet 11. 5 and hot air A discharged from the first nozzle 121 and hot air B discharged from the second nozzle 122 meet each other at the middle of the hand inlet 11. The inner surface thickness d of the main body 11 on which the first and second nozzles 121 and 122 are formed is set. At this time, the inner surface thickness of the main body determines the air volume of the hot air discharged from the nozzle 12. For example, when the thickness D of the hand inserting portion 11 is about 80 mm and the diameters of the nozzles 121 and 122 are about 3 mm to 4 mm, the inner surface thickness d of the main body 11 of the portion where the nozzles 121 and 122 are formed is 8 mm. It is set to ~ 10mm.

In addition, in order to prevent the hot air discharged from the nozzle 12 from hitting the user's face, the upper end of the second protrusion 102 of the main body is about to the first protrusion 101 with respect to the vertical line with the bottom surface. It is configured to achieve a 20 ° inclination (θ).

Meanwhile, in FIG. 4, the sensor 13 is installed above the first and second protrusions 101 and 102 provided with the nozzle 12. The sensor 13 includes an infrared transmitter 131 installed on the first protrusion 101 and an infrared receiver 132 installed on the second protrusion 102, and the infrared transmitter 131 and the infrared receiver 132. Is installed at positions facing each other with respect to the hand input unit 11 and is configured to receive a signal transmitted from the infrared transmitter 131 at the infrared receiver 132.

Here, the infrared transmitter 131 modulates and transmits an infrared signal in a predetermined pattern, for example, “10010,” and the infrared receiver 132 receives, for example, a high level detection signal when an infrared signal of a predetermined pattern is received. Configured to occur.

In addition, the display means 14 is installed above the second protrusion 102 provided with the infrared receiver 132. The display means 14 is for displaying the remaining time of hot air discharge of the hand dryer, and may be configured of, for example, an LED. Here, the display means 14 may be configured to further include a power display for displaying whether power is being supplied.

Meanwhile, in FIG. 4, the duct 20 installed inside the main body 10 has a “Y” shape and a hollow body 21 formed inside the hollow body 21 and a lower side of the main body 21 to generate hot air. It consists of a hot air generating means (22).

The upper end of the body 21 is formed to be separated on both sides so that the first upper portion 211 is connected to the first nozzle 121 formed in the first protrusion 101, the second upper portion 212 is made of It is configured to be connected to the second nozzle 122 formed in the second projection (102).

In addition, the hot air generating means 22 is a fan 221 is installed at the lower end of the body 21, the motor 222 for driving the fan 221 to rotate while being installed on the top of the fan 221, and the motor ( Is installed on the top of the 222 is configured to include a soundproof cover 223 for reducing the noise caused by hot air generation. At this time, the motor 222 is fixedly installed in the body 21 by the support 224.

That is, when the fan 221 is rotated with super strong force as the motor 222 is driven, and thus the center of the fan 221 is in a vacuum state, the outside air is caused by the pressure difference between the motor 222 and the soundproof cover 223. The first and second nozzles 121 and 122 are connected to the first and second upper parts 211 and 212 through the first and second nozzles 121 and 122. At this time, the external air is heated to a predetermined temperature by the waste heat generated as the motor 222 rotates to be discharged to the first and second nozzles 121 and 122.

In addition, as shown in FIG. 6, the soundproof cover 223 is composed of first and second circular plates 223a and 223b, and the first and second circular plates 223a and 223b have a plurality of holes (one side). H) is formed and configured. At this time, the first circular plate 223a and the second circular plate 223b are disposed to be spaced apart from the body 21 by a predetermined distance such that the positions of the holes H are opposed to each other. This is because the hot air passing through the motor 222 by the rotation of the fan 221 passes through the hole H formed in the first circular plate 223a, and then the second circular plate 233b opposite to the hole H. This is to reduce the noise due to the movement of the hot air by forming a path through the hole (H) of the to be provided to the first and second nozzles (121, 122).

Here, the fan 221 and the motor 222 are mounted in the body 21 in a form inserted into the cylindrical fixture 225. In addition, the inner surface of the fixing body 225 may be configured by attaching a soundproof pad made of rubber material to prevent noise caused by driving the motor 222.

On the other hand, Figure 7 is a block diagram showing the functional separation of the internal configuration of the control module 30 inside the main body 10.

As shown in FIG. 7, the control module 30 drives the motor 222 based on the sensor driving block 31 for driving control of the sensor 13 and the information applied from the sensor driving block 31. And a motor drive block 32 for control, a display control block 33 for display control of the display means 14, and a power supply control block 34 for supplying power to each device.

The sensor drive block 31 determines that a user's hand is input to the hand input unit 11 when a high level detection signal is not received from the infrared receiver 132, for example, and transmits a predetermined operation control signal to the motor drive. When the detection signal is received from the infrared receiver 132 while the high level detection signal is not received and is sent to the block 32, the display control block 33, and the power control block 34, the predetermined driving stop signal is transmitted. Is sent to the motor drive block 32 and the display control block 33. For example, as illustrated in FIG. 4, the sensor 13 may include three pairs of infrared ray transmitter / receivers 131 and 132, and the sensor drive block 31 may be any pair of infrared ray transmitter / receivers 131 and 132. When the reception of the detection signal is blocked from the user's hand is determined to be located in the hand input unit (11).

The motor driving block 32 controls to supply power to the motor 222 through the power control block 34 based on an operation control signal applied from the sensor driving block 31, and then, after a predetermined time elapses. Control to block the power supply to the motor 222 through the control block 34. At this time, if the driving stop signal is applied from the sensor driving block 31 within a predetermined time after the power is supplied to the motor 222, the control to cut off the power supply to the motor 222.

The display control block 33 drives the display means 14 to emit light based on the operation control signal applied from the sensor drive block 31. In this case, the display means 14 may be composed of, for example, five LEDs, and the display control block 33 drives all of the five LEDs based on the reception of the operation control signal, and then, at intervals of 1 to 1.5 seconds. The LEDs are controlled to blink one by one.

The power control block 34 is configured to automatically cut off the power supply to each device when the hand dryer falls down or water is detected to prevent safety accidents. This is described in detail in the " power supply device " filed on January 19, 2003 by the applicant, and is configured as shown in FIG. That is, the foot switch 344 is installed on the external connection surface of the hand dryer and the moisture sensor 345 is installed, and the control unit 343 applies the low voltage applied from the voltage generator 342 to the foot switch 344. And a moisture sensor 345 to turn off the relay 341 when the state of the foot switch 344 is changed or water is detected from the moisture sensor 345. 13), the display means 14, and is configured to control to cut off the supply of external power provided to the motor 22. Here, the relay 341, the voltage generator 342, and the controller 343 are installed in the case C, and the outside of the case C is molded to prevent moisture from penetrating.

On the other hand, the hand dryer according to the present invention has a water receiving means 40 for receiving and storing the water discharged through the hole 111 of the hand input 11 in the lower side of the main body 10 as shown in FIG. Sliding fastening is configured to be detachable from the body (10).

At this time, the lower surface of the main body 10 of the hand dryer is configured to form a predetermined air inlet (H) in order to easily introduce the outside air, so that the air inlet (H) is not blocked by the water receiving means (40). As shown in Fig. 9, the " U " shape is formed. That is, the water receiving means 40 is at least one or more for introducing water discharged from the water receiving portion 41 and the hole 111 having a predetermined space into the water receiving portion 41 as shown in FIG. It consists of a water injection hole 42. And, one side of the drip tray means 40, the fragrance material accommodating portion 43 having a predetermined space to accommodate the fragrance material, and the fragrance for discharging the fragrance discharged from the fragrance material stored in the fragrance material accommodating portion 43 It may be configured to form the discharge hole (44). This is by inhaling the fragrance generated from the fragrance material accommodating portion 44 also into the duct 20 when the external air flows in accordance with the rotation of the fan 221, the fragrance to the hand input unit 11 through the nozzle 12 This is to exhaust hot air.

In addition, the hand dryer according to the present invention is configured to be detachably detachable from the main body 10 by sliding the air filter 50 for filtering external air on the upper side of the air inlet H formed at the lower end of the main body 10. . This is to prevent the impurity introduced with the air from being burned in the motor installed in the duct 20.

In addition, although not shown, the hand dryer according to the present invention may be configured to install a sound absorbing pad having suction on the inner surface of the main body 10 in order to more effectively provide soundproofing according to the motor drive.

In addition, as shown in FIG. 10, at least two path plates 61 and 62 are respectively installed in the first and second upper portions 211 and 212 of the hollow body 21 as a soundproofing method of the hand dryer. The soundproof treatment can be performed by changing the path of hot air. At this time, the path boards 61 and 62 are provided in the same shape as the original plate of the soundproof cover 223 shown in FIG. 6, that is, spaced apart by a predetermined distance such that the holes H are disposed at opposite positions.

Next, the operation of the device having the above configuration will be described.

First, when a user inserts his hand into the hand input unit 11, the sensor 13 detects it and provides it to the control module 30, and the control module 30 drives the motor 222 based on this.

When the motor 222 is driven, the fan 221 coupled to the lower side of the motor 222 is rotated strongly to make the center of the fan 221 in a vacuum state, the external air by the pressure difference according to the fan 221 It is discharged to the nozzle 12 via the motor 222 and the soundproof cover 223 through. At this time, the outside air introduced through the fan 221 is heated to a predetermined temperature by the heat generated from the motor 222 is discharged to the nozzle 12. Therefore, the conventional hand dryer does not require a time for preheating the heating means provided separately to generate hot air, it is possible to discharge the hot air in a short time.

In addition, the control module 30 drives the motor 222 and controls the display unit 14 to display and output the current driving time of the hand dryer through the display means 14.

Thereafter, when a predetermined time elapses, the control module 30 terminates driving of the motor 222. Here, if a signal indicating that the hand input from the sensor 13 to the hand input unit 11 is not detected before a predetermined time elapses, the control module 30 is applied to the control module 30. The display control of the drive and display means 14 is terminated.

Meanwhile, in the present invention, the operation state of the hand dryer is configured to be visually recognized only through the display means 14, but a sound source output means, for example, a speaker is installed in the main body 10 and under the control of the control module 30. Can be configured to voice guidance. For example, it is possible to output a "didic" sound at the beginning of driving and to output a "dick" sound at the end of driving. In addition, it is possible to transmit a voice message "start operation" at the beginning of the drive and to send a voice message "end operation" at the end of the drive.

In addition, in the present invention, the control module 30 is provided with a power monitoring means, when the power level is less than or exceeded, it is possible to configure the time to display by the display means or to perform the voice notification processing through the sound source output means. .

In addition, in the present invention, by installing the blue LED in the horizontal direction of the main body 10 in the hand inlet 11, it is possible to configure the user to feel visually clean and refreshing when using the hand dryer.

In addition, the hand dryer according to the present invention is to be used in the form in which the user puts the hand from the upper side to the lower side, in consideration of the height when the user standing can be used in a state as shown in Figure 11a. have. At this time, the pedestal is formed with a guide groove 72 of about 2cm ~ 3cm to mount the hand dryer according to the present invention on the upper side of the rectangular case 71 having a height of about 35cm ~ 45cm from the bottom surface as shown in Figure 11b In addition, the air inlet 73 is formed in the central portion of the guide groove 72 for smoothly providing air inflow into the main body 10 of the hand dryer.

That is, according to the above embodiment, a user input part for inputting a user's hand is formed on the upper side of the hand dryer, so that it can be installed in a stand type, and the external air is heated to a predetermined temperature using waste heat according to the motor driving. By heating and discharging to the hand input, it is possible to provide hot air without the need for a separate heating means.

In addition, the hand dryer according to the present invention allows the user to dry the hand easily without rubbing the hand by allowing the hot air to be discharged in both directions of the hand input unit.

In addition, the present invention is not limited to the above embodiments, and various modifications can be made without departing from the technical spirit of the present invention.

As described above, according to the present invention, by allowing the user to put the hand into the hand input portion formed on the main body, the user can conveniently dry the hand.

In addition, by providing hot air to the back of the hand and the palm of the hand without the need for a separate heating means to generate hot air by using the waste heat of the motor, the time to discharge the hot air is shortened so that the user can dry hands in a short time.

Claims (11)

The upper central portion is formed with a hand input portion having a predetermined space for inputting the hand, the upper both sides are formed with a nozzle for discharging the hot air toward the hand input portion and the 'Y' shaped body formed with an air inlet at the lower side , It is installed in the main body, the inside of the hollow 'Y' shape and the upper side is the body communicating with the nozzle of the main body, and installed in the lower part of the body in the outside air flows in the heated state of the upper side Duct having hot air generating means for discharging through the nozzle, It is configured to include a control module for driving control of the hot air generating means, The hot air generating means includes a fan installed at a lower portion of the body, a motor installed at an upper side of the fan to rotate the fan, soundproof means installed at an upper side of the motor, and first and second installed at an upper side of the body communicating with the nozzle. It consists of two path plates, The soundproofing means and the first and second path plates are provided in such a manner that a plurality of discs having a plurality of holes formed on one side thereof are spaced apart from each other by a predetermined distance, and the holes formed in the respective discs are disposed at positions facing each other. Hand dryer. delete The method of claim 1, Hand dryer characterized in that the hot air discharged through the nozzle is to meet at the central portion of the hand input. The method of claim 1, And a hand input detection sensor installed on both sides of the upper side of the main body with the hand input unit installed so as to face the infrared transmitter and the infrared receiver. The method of claim 1, The lower surface of the hand inlet is configured to be inclined while the lower portion of the hand dryer characterized in that a hole for discharging the water present in the hand inlet is formed. The method of claim 5, Hand dryer, characterized in that the lower side of the main body is configured to slide fastening means for receiving and storing the water discharged from the hole. The method of claim 1, And a display means for displaying the remaining drive time on the upper side of the main body. The method of claim 1, The main body is provided with a sound source output means for sound source output, The control module is a hand dryer, characterized in that for controlling the drive state information output through the sound source output means. The method of claim 1, The control module comprises a power supply means for supplying power to each device, The power supply means to install a foot switch on the outside of the main body and a moisture sensor is installed to automatically cut off the power supply when the state of the foot switch is changed or the moisture detection information is applied from the moisture sensor. Hand dryer. The method of claim 1, Hand dryer, characterized in that the lower side of the main body is configured to slide fastening air filter for filtering the air flowing into the air inlet. delete

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