JP4915180B2 - Hand dryer - Google Patents

Description

  The present invention relates to a hand drying device for washing hands in a washroom or a toilet and drying wet hands with warm air.

  Conventionally, as this type of hand-drying device, one that dries high-speed air onto a wet hand and blows off water droplets adhering to the hand and dries for a short time (see, for example, Patent Document 1).

  Hereinafter, the hand dryer will be described with reference to FIG. As shown in FIG. 13, a hand insertion portion 102 that opens on the front and side surfaces of the box body 101 and has a size that can accommodate a hand, a blower 103 that generates a high-speed airflow provided in the box body 101, The configuration is such that a high-speed air flow is ejected from the nozzles 104a and 104b disposed on the mutually opposing surfaces of the insertion portion 102, and the air velocity and the air volume from the nozzle are increased without impairing the usability as a hand dryer. Time drying is realized (see Patent Document 1).

Further, as shown in FIG. 14, a processing space 106 in which a hand can be inserted and removed from the hand insertion portion 102 opened to the outside is provided, and the hand inserted into the processing space 106 is generated by the high-pressure air generation portion 107. The working air flow is sprayed to wipe away moisture adhering to the hand by the kinetic energy of the working air flow (see Patent Document 2).
JP 2001-087163 A JP 2004000716 A

  In such a conventional hand drying apparatus of FIG. 13, when inserting a hand into the hand insertion portion of the fixed hand drying apparatus, the insertion angle of the hand is limited by the installation height, so that the height deviates from the insertion angle. However, it is difficult to use or cannot be inserted for users with low height, because they have to lean and insert their hands forcibly.

  Further, in the conventional hand drying apparatus of FIG. 14, when the processing space is not around the chest of the user, the dry state of the hand can be visually observed because the high-pressure air generating unit is above the processing space for drying the hands. In addition to being difficult to use, there was a problem that it was difficult or impossible to insert a hand due to height differences.

  Moreover, when the wind speed and the air volume are increased, there is a problem that the wind blows back toward the user from the opening.

  In addition, when the user is a child, there is a problem that a feeling of fear is given because the wind speed and the air volume are increased to be too strong.

  Further, there is a problem that the blowing direction cannot be switched depending on the height of the user.

  In addition, there is a problem that the user cannot be notified of the blowing direction in advance.

  The present invention solves the above-described conventional problems, and an object thereof is to provide a hand-drying device that can be used comfortably regardless of the height difference of the user.

In order to achieve the above object, the hand drying device of the present invention has an opening on the upper surface and the front surface, detects a hand inserted from the opening, and a drying chamber for drying the hand inserted from the opening. Hand detecting means, air blowing means inside the main body, heating means provided on the blowing side of the air blowing means, a blowing nozzle for blowing the airflow that has passed through the heating means, and variable means for changing the direction of the blowing nozzle The blow nozzle is provided on the upper side of the front opening, and the direction of the blow nozzle can be changed to the side where the hand is inserted by the detection signal of the detection means, and high-speed hot air can be blown from the blow nozzle. It is what.

By this means, there are openings to insert wet hands on the top and front, tall people can insert wet hands through the top opening, and short people get wet from the front opening. A wet hand can be inserted into the opening that matches the height, such as inserting a new hand, and the direction of the blowout nozzle can be changed toward the detected hand while detecting the hand inserted through the opening. Therefore, it is possible to insert a wet hand without difficulty regardless of the height difference from an adult to a child, and a hand drying device that can be used comfortably is obtained.

  Further, the other means is configured such that an exhaust port for exhausting the airflow is provided on the side of the drying chamber so that the airflow blown from the blowout nozzle can be exhausted.

  By this means, a hand-drying device that can prevent the wind from blowing back from the opening toward the user is obtained.

  In addition, the other means is provided with a recess that rectifies the high-speed warm air blown from the blow nozzle to the left and right sides on the bottom surface of the drying chamber so that the air flow blown from the blow nozzle can be rectified. is there.

  By this means, it is possible to obtain a hand drying device that can reduce noise due to turbulent flow that occurs when the hand is dried and that the wind is prevented from blowing back toward the user from the opening.

  Further, the other means is configured such that an air inlet for sucking the airflow blown from the blowout nozzle is provided on the bottom surface of the drying chamber and connected to the suction side of the blower means for circulation.

  By this means, a hand dryer capable of effectively using the hot air blown out while suppressing the heating of the heater by circulating high-speed hot air is obtained.

  Further, the other means is configured to provide hand detecting means at the opening on the upper surface and the opening on the front, and detect a hand inserted from each opening.

  By this means, a hand detecting means is provided in each of the opening on the top surface and the opening on the front surface, and the hand inserted from each opening is detected to dry the hand, so that the opening on the top surface and the front surface can be dried. The simultaneous detection at the opening of the hand is abnormal, and a hand dryer capable of detecting an abnormality such as a mischief such as putting an object is obtained.

  Further, the other means is configured to be provided with a two-way blowing nozzle that blows in two directions, and can prevent water and airflow leaking from the front opening by the blowing air on the front opening side.

  By this means, a hand dryer capable of preventing water and airflow leaking from the front opening toward the user is obtained.

  The other means is configured such that different nozzle holes are provided in the two-way blowing nozzles blowing in two directions, and different wind speeds can be blown out.

  By this means, a hand dryer capable of drying the hand at different wind speeds with respect to the hand inserted from the opening on the upper surface and the front is obtained.

  Further, the other means includes a two-way blowing nozzle that blows in two directions, provided with an air path switching means that switches between the independent air path and the air path, and is capable of switching the air path by a detection signal of the hand detection means. It is a thing.

  By this means, a hand drying device capable of detecting the hand inserted from the opening and switching to the detected air path on the hand side can be obtained.

  In addition, the other means is configured such that an independent air passage and air blowing means are provided for each of the two-direction blowing nozzles so that the amount of blowing air can be varied.

  By this means, a hand dryer capable of individually controlling the air blowing means and individually changing the amount of air blown from the two-direction blowout nozzles can be obtained.

  In addition, another means is provided with a height detecting means for detecting the height of the user, and the blowing can be switched by a detection signal of the height detecting means.

  By this means, a hand drying device that can change the blowing direction in advance from the detection signal and comfortably dry manually from the time of hand insertion can be obtained.

  In addition, the other means is configured to provide a notification means indicating an opening for inserting a hand to the user so that the opening to be inserted can be notified.

  By this means, it is possible to obtain a hand drying device that can comfortably perform hand drying without taking an unreasonable posture by notifying the user of an opening suitable for the user.

ADVANTAGE OF THE INVENTION According to this invention, the hand drying apparatus which can detect the hand inserted from the opening part , can change the direction of the blowing nozzle toward the detected hand, and can insert a hand irrespective of a height difference and can be used comfortably. Can provide.

  Moreover, the hand dryer which can suppress that a wind blows back toward a user from an opening part can be provided.

  In addition, it is possible to provide a hand drying device that can reduce noise due to turbulent flow that occurs when the hand is dried and that the wind is prevented from blowing back toward the user from the opening.

  Moreover, the hand dryer which can suppress the heating of a heater by circulating a high-speed warm air and can utilize the warm air which blows off can be provided.

  Further, it is possible to provide a hand drying device that is provided with hand detecting means at the opening on the upper surface and the opening on the front, detects the hand inserted from each opening, dries the hand, and prevents malfunction.

  Moreover, the hand-drying apparatus which can prevent the water and airflow which leak toward a user from the opening part of a front can be provided.

  Moreover, the hand drying apparatus which can dry a hand with a different wind speed with respect to the hand inserted from the opening part of the upper surface and the front can be provided.

  Moreover, the hand drying apparatus which can detect the hand inserted from the opening part, can be switched to the air path of the detected hand side, and can be provided can be provided.

  Moreover, the hand-drying apparatus which can control a ventilation means separately and can vary the amount of blowing air from a blowing nozzle of two directions can be provided.

  Further, it is possible to provide a hand drying device that can change the blowing direction in advance from the detection signal and can comfortably dry manually from the time of manual insertion.

  Further, it is possible to provide a hand-drying device that can comfortably perform hand-drying without taking an unreasonable posture by notifying the user of an opening that matches the user.

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

(Embodiment 1)
As shown in FIG. 1, the hand drying device 1 includes an upper surface opening 2, a front opening 3, a drying chamber 4 for drying a hand inserted from the upper surface opening 2 and the front opening 3, and a drying chamber 4. A drain port 5 for discharging moisture blown off from the hand is provided at the bottom, and a drain tank 6 for storing the discharged water droplets is provided at the bottom of the main body. The drain port 5 and the drain tank 6 are connected by a drain pipe 7. The A suction port 8 is opened at the rear part of the drain tank 6, and air is taken into the blowing means 9. Inside the main body, a blower motor is disposed in the housing 11 as a blowing means 9 below the drying chamber 4 and a PTC heater is disposed as a heating means 10 on the blowing side of the blowing means 9. A blowing nozzle 12 that blows an airflow that has passed through the heating means 10 provided on the blowing side of the blowing means 9 is provided on the upper side of the main body front opening 3, and the storage body 11 and the blowing nozzle 12 are connected by an air passage 13. An infrared sensor is disposed as a hand detection means 14 on the upper back of the drying chamber 4. The control means 15 disposed on the inner side surface of the main body is configured such that the blower means 9 can be controlled by a detection signal from the hand detection means 14.

  In the above configuration, the hand dryer 1 is placed so that the top opening 2 is 85 cm to 100 cm from the floor. The top opening 2 can be a height that is easy for a standard adult to use, and the front opening 3 can be a height that is easy for a person with a lower spine than a standard adult, such as a child. When a hand inserted from the upper surface opening 2 and the front opening 3 is detected, the operation of the air blowing means 9 is started and the airflow that has passed through the heating means 10 becomes warm air from the blowout nozzle 12 and high-speed warm air from 80 m / s to 130 m. / S. The high-speed hot air blown out can blow off water droplets from the hand and dry it. The warm air may be heated to such an extent that the air blown from the blowing nozzle 12 is dried by the heating means 10 such as a PTC heater, and is heated to about 50 to 60 ° C., for example.

(Embodiment 2)
Next, Embodiment 2 of the present invention will be described with reference to the drawings. In addition, the same thing as Embodiment 1 attaches | subjects the same number, and abbreviate | omits the detailed description.

  As shown in FIG. 2, in addition to the configuration of FIG. 1, an exhaust port 16 is provided on the side of the drying chamber so that the airflow blown from the blowout nozzle 12 can be exhausted.

  In the above configuration, the airflow blown from the blowout nozzle 12 during hand drying bounces off the water droplets of the hand and then bounces off at the bottom of the drying chamber 4, but the bounced airflow is exhausted from the exhaust port 16 to open the airflow. It can suppress that a wind blows back toward a user from a part.

(Embodiment 3)
Next, Embodiment 3 of the present invention will be described with reference to the drawings. In addition, the same thing as Embodiment 1 or 2 attaches | subjects the same number, and abbreviate | omits the detailed description.

  As shown in FIG. 3, in addition to the configuration of FIG. 1 or FIG. 2, a recess 17 is provided at the bottom of the drying chamber 4 to rectify the airflow blown from the blowout nozzle 12 to the left and right sides, and the airflow blown from the blowout nozzle 12 is The air flow is rectified on the left and right side surfaces and exhausted from the exhaust port 16.

  In the above configuration, the airflow blown from the blowout nozzle 12 during the hand drying is rectified to the left and right side surfaces at the bottom of the drying chamber 4 after blowing off the water droplets in the hand. It is possible to prevent the wind from blowing back from the opening toward the user.

(Embodiment 4)
Next, a fourth embodiment of the present invention will be described with reference to the drawings. In addition, the same thing as Embodiment 1-3 is attached | subjected the same number, and the detailed description is abbreviate | omitted.

  As shown in FIG. 4, in addition to any of the configurations shown in FIGS. 1 to 3, a circulation suction port 18 is provided at the bottom of the drying chamber 4 for sucking the airflow blown from the blowing nozzle 12. It is constructed so that it can be connected to the suction side of the means 9 and circulated.

  In the above-described configuration, warm air heated by the heating means 10 such as a heater is blown from the blow nozzle 12 and sent from the circulation suction port 18 to the suction side of the blower means 9 during manual drying, and the sucked warm air and the suction port 8 are sucked. The air sucked from the air is mixed and passes from the air blowing means 9 to the heating means 10. By circulating high-speed hot air, it becomes energy-saving heating, and the hot air blown out can be used effectively.

(Embodiment 5)
Next, a fifth embodiment of the present invention will be described with reference to the drawings. In addition, the same thing as Embodiment 1-4 is attached | subjected the same number, and the detailed description is abbreviate | omitted.

  As shown in FIG. 5, in addition to any of the configurations of FIGS. 1 to 4, the upper surface hand detecting means 19 a and 19 b disposed in the upper surface opening 2 and the front hand detecting means 20 a and 20 b disposed in the front opening 3. The light emitting element and the light receiving element are connected to the control means 15 so that it can be detected that a hand has been inserted on the upper surface and the front surface.

  In the above configuration, when a hand is inserted from the upper surface opening 2, the operation of the air blowing unit 9 is started by the detection signals of the upper surface hand detecting units 19a and 19b. Similarly, when a hand is inserted from the front opening 3, the operation of the blowing means 9 is started by the detection signals of the front hand detection means 20a and 20b. Further, it is impossible to insert a wet hand from the top opening 2 and the front opening 3 at the same time. Therefore, when a detection signal is received at the same time, it is determined that there is an abnormality such as a mischief such as the insertion of an object. The operation of the means 9 is stopped. The blower 9 is operated by the hand detection signals inserted into the top opening 2 and the front opening 3 in accordance with the height of the back, so that it is possible to efficiently dry the hand and to prevent abnormalities such as tampering. Detection can also be performed.

(Embodiment 6)
Next, a sixth embodiment of the present invention will be described with reference to the drawings. In addition, the same thing as Embodiment 5 attaches | subjects the same number, and abbreviate | omits the detailed description.

  As shown in FIG. 6, in addition to the configuration of FIG. 5, a louver as variable means 21 for changing the blowing direction of the blowout nozzle 12 is connected to the control means 15, and upper surface hand detecting means 19a, 19b, front hand detecting means 20a. The air blowing direction of the blowout nozzle 12 can be changed by the detection signal 20b.

  In the above configuration, when a hand is inserted from the upper surface opening 2, the blowing direction of the variable means 21 is varied toward the upper surface opening 2 by the detection signals of the upper surface hand detecting means 19a, 19b, and the operation of the air blowing means 9 is started. . Similarly, when a hand is inserted from the front opening 3, the blowing direction of the variable means 21 is changed to the front opening 3 side by the detection signals of the front hand detection means 20a and 20b, and the operation of the air blowing means 9 is started. The hand drying performance can be improved by changing the blowing direction toward the hand inserted from each opening.

(Embodiment 7)
Next, a seventh embodiment of the present invention will be described with reference to the drawings. In addition, the same thing as Embodiment 1-5 attaches | subjects the same number, and abbreviate | omits the detailed description.

  As shown in FIG. 7, in addition to any of the configurations shown in FIGS. 1 to 5, there are two blowing directions, one blowing out toward the back of the bottom of the drying chamber 4 and the other blowing out toward the front of the bottom of the drying chamber 4. A two-way blowing nozzle 22 that blows in the direction is provided so that airflow and water droplets leaking from the front opening 3 due to the blowing air on the near side of the bottom of the drying chamber 4 can be prevented.

  In the above configuration, when a hand is inserted from the upper surface opening 2, the operation of the air blowing means 9 is started by the detection signal of the hand detecting means 14, and high-speed hot air is blown simultaneously in two directions from the two-way blowing nozzle 22. . The hand inserted from the upper surface opening 2 is hand-dried by the blowing air blown toward the back side of the bottom of the drying chamber 4 of the two-way blowing nozzle 22, and the rebounding hand and water droplets blown from the hand are dried. It is possible to prevent scattering from the front opening 3 toward the user due to the blowing air on the near side of the bottom of the chamber 4. Further, the hand inserted from the front opening 3 can dry the hand by the blowing air blown toward the front side of the bottom of the drying chamber 4 of the two-way blowing nozzle 22.

(Embodiment 8)
Next, an eighth embodiment of the present invention will be described with reference to the drawings. In addition, the same thing as Embodiment 7 attaches | subjects the same number, and abbreviate | omits the detailed description.

  As shown in FIG. 8, in addition to the configuration of FIG. 7, a nozzle hole A <b> 23 that blows toward the back side of the bottom of the drying chamber 4 and a nozzle hole B <b> 24 that blows toward the near side of the bottom of the drying chamber 4 are provided. B24 is constituted so that the wind speed blown out can be weakened by making the hole diameter larger than the nozzle hole A23. For example, when the hole diameter of the nozzle hole A23 is about φ2 mm, the hole diameter of the nozzle hole B is about φ4 mm.

  In the above configuration, when a hand is inserted from the upper surface opening 2, the operation of the blowing unit 9 is started by a detection signal from the hand detection unit 14. High-speed hot air is blown out simultaneously in two directions from the two-way blowing nozzle 22. A person using the upper surface opening 2 performs hand drying with a high-speed blowing air blown from the nozzle hole A23. Moreover, the child which uses the front opening part 3 can be used without giving a sense of fear by carrying out hand drying with the blowing air which restrained the wind speed and air volume which blow off from nozzle hole B24.

  In Embodiment 8 of the present embodiment, a round hole is used for the nozzle hole, but the same effect can be achieved by using a slit shape.

(Embodiment 9)
Next, Embodiment 9 of the present invention will be described with reference to the drawings. In addition, the same thing as Embodiment 8 attaches | subjects the same number, and abbreviate | omits the detailed description.

  As shown in FIG. 9, in addition to the configuration of FIG. 8, the nozzle air passage A25, the nozzle air passage B26, and the air flow from the air blowing means 9 are respectively provided in the nozzle holes of the two-way blowing nozzles. A louver is provided as the air path switching means 27 for switching to the path B26.

  In the above configuration, when a hand is inserted from the upper surface opening 2, the air path switching unit 27 is configured to blow high-speed hot air from the nozzle hole A23 and the nozzle hole B24 according to the detection signals of the upper surface hand detection units 19a and 19b. The nozzle air passage A25 and the nozzle air passage B26 are switched to the center where the openings are the same, and the operation of the air blowing means 9 is started. High-speed warm air is simultaneously blown in two directions from the two-way blowing nozzle 22, and the hand inserted from the upper surface opening 2 is blown by the blowing air blown toward the back of the bottom of the drying chamber 4 of the two-way blowing nozzle 22. It is possible to prevent hand splashing and water droplets blown from the hand from being scattered from the front opening 3 toward the user by the blowing air on the near side of the bottom of the drying chamber 4.

  Similarly, when a hand is inserted from the front opening 3, the air path switching means 27 is moved to the nozzle air path A25 side so as to blow high-speed hot air from the nozzle hole B24 by the detection signals of the front hand detecting means 20a and 20b. Switching and the operation of the air blowing means 9 are started. High-speed warm air is blown out toward the front side of the bottom of the drying chamber 4 from the nozzle hole B24 of the two-way blowing nozzle 22, and noise due to blowing can be reduced by setting the blowing to only one side.

(Embodiment 10)
Next, Embodiment 10 of the present invention will be described with reference to the drawings. In addition, the same thing as Embodiment 9 attaches | subjects the same number, and abbreviate | omits the detailed description.

  As shown in FIG. 10, in addition to the configuration of FIG. 9, independent independent air passage A28, independent air passage B29, variable air blowing means A30, variable air blowing means B31, heating means A32, heating means B33, and air volume An air volume switch A34 and an air volume switch B35 to be set are arranged on the side surface of the main body and connected to the control means 15. Any heating means may be used as long as it can be heated, such as a PTC heater.

  In the above configuration, when a hand is inserted from the upper surface opening 2, the variable air blowing means A30 starts operating at the set air volume of the air volume switch A34 according to the detection signals of the upper surface hand detecting means 19a and 19b, and the high speed from the nozzle hole A23. Hot air is blown out. At the same time, the variable air blowing means B31 starts operation with the air volume set by the air volume switch B35 and blows out high-speed hot air from the nozzle hole B24.

  The variable air blowing means only needs to be able to perform variable air blowing, and includes, for example, a blower motor by inverter control.

  Similarly, when a hand is inserted from the front opening 3, the variable air blowing means A30 starts to operate by the detection air flow of the air volume switch A34 according to the detection signals of the front hand detection means 20a and 20b, and high-speed hot air is discharged from the nozzle hole A23. Blow out. At the same time, the variable air blowing means and the variable air blowing means B31 start operation according to the air volume set by the air volume switch air volume switch B35 and blow out high-speed hot air from the nozzle hole B24. Thereby, the amount of blowing air in two directions can be varied.

(Embodiment 11)
Next, an eleventh embodiment of the present invention will be described with reference to the drawings. In addition, the same thing as Embodiment 6 attaches | subjects the same number, and abbreviate | omits the detailed description.

  As shown in FIG. 11, in addition to the structure of FIG. 6, an infrared sensor is connected to the control means 15 as the height detecting means 36 disposed at the upper front of the main body so that the height of the user can be detected. .

  In the above configuration, the detection range of the height detection means 36 is set to be 140 cm or more from the floor surface. Based on the detection signal from the height detection means 36, the blowing direction of the variable means 21 is varied toward the upper surface opening 2 side. When there is no detection signal from the height detection means 36, the blowing direction of the variable means 21 is changed to the front opening 3 side. By changing the blowing direction in advance by the detection signal of the height detection means 36, it is possible to perform hand drying immediately in the best state.

(Embodiment 12)
Next, an embodiment 12 of the invention will be described with reference to the drawings. In addition, the same thing as Embodiment 11 is attached | subjected the same number, and the detailed description is abbreviate | omitted. As shown in FIG. 12, in addition to the configuration of FIG. 11, an LED can be connected to the control means 15 as a notification means 31 disposed in front of the blowout nozzle 12, so that the user can be notified of an opening for inserting a hand. Configure as follows.

  In the above configuration, the detection range of the height detection means 36 is set to be 140 cm or more from the floor surface. In response to the detection signal from the height detection means 36, the notification means 37 on the upper surface opening 2 side is turned on. When there is no detection signal from the height detection means 36, the notification means 38 on the front opening 3 side is turned on. A hand-drying device that can be hand-dried comfortably without taking an unreasonable posture by notifying the user of an opening suitable for the user by informing the user in advance by a detection signal of the height detection means 36. can get.

  In the twelfth embodiment, the LED is used as the notification means, but the same operation and effect can be obtained even if sound is used.

  It can be applied to hair dryers, body dryers, etc. by high-speed hot air.

Schematic side view showing the configuration of the hand dryer according to Embodiment 1 of the present invention. Schematic side view showing the configuration of the hand dryer of Embodiment 2 of the hand dryer Front schematic diagram showing the configuration of the hand dryer of Embodiment 3 of the hand dryer Schematic side view showing the configuration of the hand dryer of Embodiment 4 of the same hand dryer Schematic side view showing the configuration of the hand dryer of Embodiment 5 of the same hand dryer Schematic side view showing the configuration of the hand dryer of Embodiment 6 of the same hand dryer Schematic side view showing the configuration of the hand dryer of the seventh embodiment of the hand dryer The figure which shows the nozzle hole of Embodiment 8 of the same hand dryer Schematic front view showing the configuration of the hand dryer of Embodiment 9 of the hand dryer Front schematic diagram showing the configuration of the hand dryer according to the tenth embodiment of the same hand dryer Schematic side view showing the configuration of the hand dryer of the eleventh embodiment of the same hand dryer Schematic front view showing the configuration of the hand dryer of Embodiment 12 of the same hand dryer Side schematic diagram showing the configuration of a conventional hand dryer Side schematic diagram showing the configuration of a conventional hand dryer

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Hand drying apparatus 2 Upper surface opening part 3 Front opening part 4 Drying chamber 5 Drain port 6 Drain tank 7 Drain pipe 8 Suction port 9 Blowing means 10 Heating means 11 Storage body 12 Blowout nozzle 13 Air path 14 Hand detection means 15 Control means 16 Exhaust port 17 Recessed portion 18 Circulating suction port 19a Upper surface hand detecting means 19b Upper surface hand detecting means 20a Front hand detecting means 20b Front hand detecting means 21 Variable means 22 Two-way blowing nozzle 23 Nozzle hole A
24 Nozzle hole B
25 Nozzle air passage A
26 Nozzle air passage B
27 Airway switching means 28 Independent airway A
29 Independent air passage B
30 Variable ventilation means A
31 Variable ventilation means B
32 Heating means A
33 Heating means B
34 Airflow switch A
35 Airflow switch B
36 Height Detection Unit 37 Notification Unit 38 Notification Unit 101 Box 102 Manual Insertion Unit 103 Blower 104a Nozzle 104b Nozzle 105 Manual Insertion Port 106 Processing Space 107 High Pressure Air Generation Unit

Claims (11)

An opening on the top and front of the hand drying device, a drying chamber for drying the hand inserted from the opening, a hand detection means for detecting the hand inserted from the opening, a blower means inside the body, A heating means provided on the blowing side of the blowing means, a blowing nozzle for blowing the airflow that has passed through the heating means, and a variable means for changing the direction of the blowing nozzle are provided, and the blowing nozzle is located above the front opening. A hand-drying device characterized in that the direction of the blowout nozzle is changed to the side where the hand is inserted by the detection signal of the detection means and high-speed hot air is blown out from the blowout nozzle. The hand dryer according to claim 1, wherein an exhaust port for exhausting air is provided on a side surface of the drying chamber, and the air flow blown from the blowing nozzle is exhausted. The hand dryer according to claim 1 or 2, wherein a concave portion that rectifies the high-speed warm air blown from the blow nozzle to the left and right sides is provided on the bottom surface of the drying chamber to rectify the air flow blown from the blow nozzle. . The hand drying device according to any one of claims 1 to 3, wherein an air inlet for sucking an air flow blown from the blow nozzle is provided on a bottom surface of the drying chamber, and is connected to the suction side of the blowing means to circulate. . The hand drying device according to any one of claims 1 to 4, wherein a hand detection means is provided in each of the opening on the upper surface and the opening on the front to detect a detection abnormality. 6. A hand-drying device according to claim 1, wherein a two-way blowing nozzle that blows in two directions is provided to prevent water or airflow leaking from the front opening by the blowing air on the front opening side. . 7. The hand dryer according to claim 6 , wherein different nozzle holes are provided in the two-way blowing nozzles that blow out in two directions, and different wind speeds are blown out. The air passage switching means for switching the independent nozzle air passage and the nozzle air duct in two directions blowoff nozzles for blowing in two directions is provided, according to claim 7, wherein the switching the air path by the detection signal of the hand detection means Hand dryer. 9. The hand drying apparatus according to claim 8, wherein the two-way blowing nozzles blowing in two directions are provided with independent independent air passages and variable air blowing means, respectively, to vary the amount of blowing air. The hand drying apparatus according to claim 5 or 9 , wherein a height detecting means for detecting the height of the user is provided, and blowing is switched by a detection signal of the height detecting means. The hand-drying device according to claim 10 , wherein notifying means for indicating an opening for inserting a hand is provided to the user to notify the opening to be inserted.

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