JP2718331B2 - Hand drying equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hand dryer, and more particularly to a hand dryer for sanitarily drying wet hands after washing.

[0002]

2. Description of the Related Art Conventionally, in order to maintain hands in a sanitary condition, a treatment after washing is also important, and a hand drying apparatus for directly drying wet hands by washing has been used. Japanese Patent Laid-Open Publication
No. 23918 can be cited.

FIG. 8 is a cross-sectional view showing a conventional hand dryer disclosed in the above-mentioned publication. In the figure, 1 is an induction motor for blowing air, 2 is a sirocco-type blade rotated by the induction motor 1, 3 is an electric heater for heating, and a conventional hand drying device comprises an induction motor 1 and a blade 2. It is composed of a blowing unit and a heating unit including the electric heater 3.

[0004] In the hand drying apparatus having this configuration, the air generated by the air blowing means is heated by the electric heater 3 to be turned into hot air and guided to the hand drying section. When the wet hand is provided to the hand drying unit and the hot air is applied thereto, the moisture of the hand evaporates due to the heat and is blown off by the wind to dry.

[0005]

However, in the conventional hand drying apparatus as described above, the temperature of the hot air may be kept relatively low because the object is a hand, and the drying process takes a long time. , It was troublesome to use. In particular, a user who is unfamiliar with the use of this type of hand dryer has been confused when using it.

[0006] Therefore, the present invention does not involve any inconvenience,
It is an object of the present invention to provide a hand-drying device that can easily perform a quick drying process and that can be easily performed by anyone.

[0007]

According to a first aspect of the present invention, there is provided a hand drying device comprising: a hand insertion portion provided with a front opening and a side surface of a box so as to be freely inserted therein; A blow nozzle provided respectively, a high-pressure air generating unit that sucks air in the hand insertion unit and sends high-pressure air to the blow nozzle, and is provided in the hand insertion unit, and detects an insertion state in the hand insertion unit. And a display unit disposed on the upper front of the box body and illuminating and displaying an operation procedure guide using a light emitting element that is turned on or off at predetermined time intervals in accordance with detection by the sensor. Things.

According to a second aspect of the present invention, there is provided a hand drying apparatus which includes, in addition to the same hand inserting section, the blowing nozzle, the high-pressure air generating section, and the sensor as those of the first aspect, between the blowing nozzle and the suction port of the hand inserting section. At a location , depending on the detection by the sensor.
Blinks sequentially from the inlet to the nozzle at regular time intervals, immediately
In addition, by arranging multiple light-emitting elements that turn on or off,
It has a display unit for guiding movement .

According to a third aspect of the present invention, in addition to the same hand insertion unit, blowing nozzle, and high pressure air generation unit as in the first and second aspects, the hand drying apparatus stores water droplets scattered in the hand insertion unit. A drain sump, a water level sensor for detecting a water level of the drain sump, and a display unit for emitting and displaying a water level state of the drain sump using a light emitting element that is turned on or off in response to the detection of the water level sensor. Things.

[0010] According to a fourth aspect of the present invention, in addition to the hand insertion section and the blowing nozzle similar to the first to third aspects, a duct communicating with the blowing nozzle and the air in the hand insertion section are provided. Suction, a high-pressure air generating unit that sends high-pressure air to the blowing nozzle through the duct, a pressure sensor that detects the pressure in the duct, and a light-emitting element that turns on or off according to the detection of the pressure sensor. A display unit for illuminating and displaying the pressure state in the duct.

According to a fifth aspect of the present invention, there is provided a hand drying device in addition to the same hand insertion portion, blowout nozzle, duct, and high pressure air generation portion as in the first to fourth aspects.
A temperature sensor for detecting a temperature in the duct; and a display unit for illuminating and displaying a temperature abnormality in the duct by using a light emitting element that is turned on or off in response to the detection of the temperature sensor.

According to a sixth aspect of the present invention, there is provided a hand drying apparatus in addition to a hand insertion section and a blowing nozzle similar to the first to fifth aspects, and a high-pressure air generating section similar to the first to third aspects. Switching control means for switching and controlling the operation of the high-pressure air generating unit in a plurality of stages; and a display unit for displaying an output state of the high-pressure air generating unit.

[0013]

In the hand drying apparatus according to the first aspect of the present invention, high-pressure air is generated by blowing nozzles respectively provided on the upper and lower surfaces of a hand insertion portion which is opened and openable on the front and side surfaces of the box. The high-pressure air is sent by the unit, and the state of hand insertion into the hand insertion unit is detected by a sensor provided at the hand insertion unit, and a predetermined value is displayed on a display unit arranged at the upper front of the box. Since the operation procedure guide is displayed by light emission using the light emitting element that is turned on or off at time intervals, the operation procedure is sequentially displayed by inserting a hand into the hand insertion section, and anyone can use it.

In the hand drying apparatus according to the second aspect of the present invention,
The front and side surfaces of the box body are opened and a hand insertion state is detected by a sensor in a hand insertion portion provided so as to be freely inserted, and a display provided between the blowing nozzle and the air inlet of the hand insertion portion. interest the part
At predetermined time intervals from the intake port to the nozzle direction.
By arranging a plurality of light emitting elements for the next turned on or off,-out movement of the hand
Since it is intended to induce the user while viewing the display unit, it can be efficiently removed his hands water drop in a short time.

In the hand drying apparatus according to the third aspect of the present invention,
A water level sensor detects a water level of a drain pool in which water droplets scattered in a hand insertion portion that is opened and opened at the front and side surfaces of the box body are freely inserted. Since the water level state of the drain pool is displayed by light emission using a light emitting element that is turned on or off ,
The amount of water stored in the drain pool is known.

[0016] In the hand drying apparatus according to the fourth aspect of the present invention,
The high pressure air is sent through a duct to a blowing nozzle of a hand insertion portion which is opened and opened at the front and side surfaces of the box body, and the pressure in the duct is detected by a pressure sensor. Since the pressure state in the duct is illuminated and displayed by using a light emitting element that is turned on or off on the display unit in accordance with the condition, clogging of the blow-out nozzle or the filter due to abnormal pressure in the duct can be known. .

In the hand drying apparatus according to the fifth aspect of the present invention,
The high-pressure air is sent through a duct to a blowing nozzle of a hand insertion portion that is openably inserted through the front and side surfaces of the box body, and the temperature in the duct is detected by a temperature sensor. When the internal temperature rises, the high-pressure air generating unit is in a heated state because the temperature abnormality in the duct is illuminated and displayed by using a light emitting element that is turned on or turned off on the display unit according to. I understand.

[0018] In the hand drying apparatus according to the sixth aspect of the present invention,
The operation of the high-pressure air generation unit that sends high-pressure air to the hand insertion unit that is opened and opened in the front and side surfaces of the box body is controlled by the switching control unit in a plurality of stages, and the output state of the high-pressure air generation unit Is displayed on the display unit, the use state can be appropriately switched according to the situation, and the use state can be known.

[0019]

Embodiments of the present invention will be described below. First Embodiment FIG. 1 is a side sectional view showing a hand dryer according to a first embodiment of the present invention, and FIG. 2 is a perspective view showing a hand dryer according to a first embodiment of the present invention. In the figure, 5 is a hand drying device main body, 6
Is a box that forms the outer shell of the hand drying device main body 5, and 7 is this box 6
The hand insertion portion is provided so as to be freely inserted through the front surface 8 and the side surface 9 thereof, and has a substantially U-shape with a downward inclination. Note that a water-repellent paint is applied to the inner wall of the hand insertion portion 7 to prevent water drops from adhering and prevent dirt. Reference numeral 10 denotes a drain port provided at the back of the hand insertion portion 7, reference numeral 11 denotes a hose connected to the drain port 10, and reference numeral 12 denotes a drain reservoir in which a heater (not shown) is provided. 1
Reference numeral 3 denotes blow-off nozzles provided at the upper and lower portions of the entrance of the hand insertion portion 7, and removes water droplets attached to the hand from the front and back of the hand without rubbing the hand (not shown) inserted into the hand insertion portion 7. In order to be able to do so, simultaneously apply wind to both the back and palm sides of the hand,
And it is provided so that it may form a pressure gradient from the inlet to the back. In order to shorten the hand drying time, the wind speed, the interval between the blowing nozzles 13 and the like are taken into consideration. Reference numeral 14 denotes a plurality of nozzle holes formed in the blow-out nozzle 13, which are formed substantially perpendicular to the wall surface of the blow-out nozzle 13 in order to suppress pressure loss, that is, so as to be substantially parallel to the flow of wind. , Are arranged substantially linearly. Reference numeral 15 denotes an intake port provided at an upper portion and an upper portion of the inlet of the hand insertion portion 7, and is provided at a position where water droplets do not enter.

Reference numeral 16 denotes a high-pressure air generator for generating high-pressure air, 17 denotes a DC brushless motor built in the high-pressure air generator 16, and 18 denotes a turbo fan rotated by the DC brushless motor 17. This high-pressure air generator 16
Is constituted by a DC brushless motor 17, a drive circuit (a control circuit 30 described later) for driving the DC brushless motor 17, and a turbo fan 18.

Reference numeral 19 denotes a first duct for supplying high-pressure air.
The DC brushless motor 17 is connected to the DC brushless motor 17 side. Reference numeral 28 denotes the intake port 15 and the intake side 2 of the high-pressure air generator 16.
9 is a second duct connecting to the second duct.

Reference numeral 30 denotes a control circuit for controlling the operation of the high-pressure air generating unit 16 based on a detection signal from a sensor described later, and is provided at an upper portion in the box 6 so that water does not enter. 32 is an infrared light receiving element (upper entrance sensor) disposed on the upper wall surface of the hand insertion section 7;
The infrared light emitting element (lower entrance sensor) disposed on the lower wall surface of the hand, the infrared light receiving element (rear upper sensor) disposed on the upper wall surface of the hand insertion section 7, and the infrared light receiving element 35 of the hand insertion section 7 Infrared light emitting element (lower side sensor) arranged on the lower wall
It is. Each of the light-emitting and light-receiving elements on the entrance side and the rear side forms a sensor in a pair.

The relationship between the inlet upper and lower sensors 32 and 33 and the inner and lower sensors 34 and 35, the control circuit 30, and the high-pressure air generator 16 is such that a hand is inserted to a position connecting the inner and lower sensors 34 and 35. Then, the hand detection signal is transmitted to the control circuit 30
And the high-pressure air generating unit 16 is started. On the other hand, when the hand is not detected by the entrance upper and lower sensors 32 and 33, that is, when the hand comes out of the entrance upper and lower sensors 32 and 33,
The high-pressure air generator 16 stops. Further, each sensor 32
In order to prevent erroneous operation or misuse due to dust attachment to ~ 35, when driving continuously for more than a certain time,
A timer (not shown) which stops automatically is incorporated. Reference numeral 36 denotes a filter attached to each intake port 15 to prevent paper or a handkerchief from being accidentally sucked.

Reference numeral 41 denotes a germicidal lamp provided in the hand insertion section 7, reference numeral 42 denotes a reflector for effectively irradiating the hands with ultraviolet rays of germicidal light radiated from the germicidal lamp 41, and reference numeral 43 denotes a transparent ultraviolet ray. It is a cover.

Further, reference numeral 50 denotes a display unit disposed on the upper front part of the box 6 for displaying the operation order of the main body 5 of the hand drying apparatus. Reference numeral 60 denotes a display unit disposed above the drain reservoir 12, and A water level sensor for detecting a water level in the inside, 61 is a pressure sensor disposed in the first duct 19 that communicates the exhaust side 20 of the high-pressure air generating section 16 with the blowing nozzle 13, 62 is an exhaust of the high-pressure air generating section 16 A temperature sensor arranged around the side 20.

In the hand dryer of this configuration, a wet hand is inserted into the hand insertion section 7 and the hands are inserted into the upper and lower sensors 34 and 35.
Is reached, a hand detection signal is sent to the control circuit 30, the DC brushless motor 17 of the high-pressure air generator 16 starts, and the turbo fan 18 rotates. Then, the air sucked from the intake port 15 passes through the second duct 28, passes through the intake side 29, and has a high pressure in the high-pressure air generator 16, and the high-pressure air flows from the exhaust side 20 of the high-pressure air generator 16 to the first duct 19, it is simultaneously blown out from the upper and lower blowing nozzles 13 of the hand insertion portion 7 to both the back side and the palm side at a predetermined inclination, and water droplets of the hand are blown forward. The water drops flow from the drain port 10 to the drain reservoir 12 via the hose 11.
On the other hand, the air that has flowed out of the blow-out nozzle 13 is sucked in again from each intake port 15, flows through the second duct 28 to the intake side 29 of the high-pressure air generator 16, and proceeds to the exhaust side 20 of the high-pressure air generator 16. Circulates in the box 6. Since the air inlet 15 is provided in the hand insertion portion 7, the pressure in the vicinity of the inlet in the hand insertion portion 7 does not decrease, so that the wind does not flow backward and the speed of the wind blown from the blowing nozzle 13 does not decrease. Thus, the hand dries in about 5 seconds. Thereafter, when the hand is removed from the hand insertion portion 7, the detection signals of the inlet upper and lower sensors 32 and 33 disappear, and the high-pressure air generator 16 is operated via the control circuit 30 and a timer (not shown) for a predetermined period of time. Stop.

As described above, the hand dryer according to the present embodiment is provided with the box 6 forming the outer shell and the front 8 and the side 9 of the box 6 opened and inserted freely, and a space larger than the entrance. Hand insertion portion 7 having a deep portion, blow nozzles 13 respectively provided on upper and lower surface portions of the hand insertion portion 7, and blow nozzle 1
3, a high-pressure air generator 16 having an exhaust side 20 connected to the first duct 19 for supplying high-pressure air, an intake side 29 of the high-pressure air generator 16 and the hand insertion section 7. A control circuit 30 for controlling the operation of the high-pressure air generator 16; a hand detection signal provided to the hand insertion unit 7; Upper and lower sensor 32 for transmitting the
33 and inner and lower sensors 34 and 35.

Therefore, the air circulates at a high speed just by putting a wet hand into the hand insertion portion 7, and the hand dries in a very short time. Further, after the drying, the operation of the high-pressure air generating unit 16 is automatically stopped by removing the hand from the hand insertion unit 7.
As a result, quick drying can be easily and easily performed without any inconvenience.

Here, the operation of the display unit 50 for displaying the operation procedure and the like of the hand dryer of the present embodiment will be described in detail. FIG. 3 is a front view showing a panel of a display unit of the hand dryer according to the first embodiment of the present invention. FIG. 4 is a circuit diagram showing a display unit control circuit of the hand dryer according to the first embodiment of the present invention. FIG. 5 is a timing chart showing the operation of the display unit control circuit of FIG.

In FIG. 4, reference numerals 71a to 71d denote infrared phototransistors (upper entrance sensor 32) disposed opposite to the infrared light emitting diodes (lower entrance sensor 33) disposed at the entrance side of the hand insertion section 7. ), 72a
Reference numerals 72d to 72d denote infrared phototransistors (backside sensor 34) disposed at positions facing the infrared light emitting diodes (backside sensor 35) disposed on the back side of the hand insertion section 7. These phototransistors 71a to 71d, 7
Four of 2a-72d are each arrange | positioned. 73a-73
d, 74a to 74d are the respective phototransistors 71a.
To 71d and 72a to 72d are connected, and are comparators for comparing with a threshold value determined by resistance voltage division. 75 and 76 are comparators 73a to 73d and 74a
Latch circuits for latching the outputs of
Reference numerals 82 to 84 and 90 to 92 denote AND circuits which are logic circuits, and 85 denotes an OR circuit. Reference numerals 80, 81, and 87 to 89 denote timer circuits, and 86 denotes an oscillation circuit that oscillates at a predetermined cycle. 93 to 97 are light emitting diode driving elements, 98 to
Reference numeral 102 denotes a light emitting diode which is a light emitting element for display.
The display section of the display panel is illuminated and displayed appropriately.

In the display control circuit having this configuration, the infrared phototransistors 71a to 71d, 7
Since 2a to 72d are turned on, the latch circuits 75,
The outputs a and b of 76 become high level, the light emitting diode 98 (LED1) emits light, and the whole or part of the first display portion of the display panel shown in FIG. 3 emits light.

In this state, when the hand is inserted into the hand insertion portion 7, first, the infrared light of the infrared light emitting diode on the entrance side (the lower sensor 33 on the entrance side) is blocked, and the four phototransistors 71a to 71d are turned off. When any one of them is turned off, the outputs of the comparators 73a to 73d become low level, and the output a of the latch circuit 75 becomes low level. When the output a of the latch circuit 75 becomes low level, A
The output c of the ND circuit 77 also goes low, the light emitting diode 98 (LED1) goes out, the output d of the AND circuit 78 goes high, the output e of the timer circuit 80 goes high, and the light emitting diode 99 (LED2) ) Lights up, and the whole or part of the second display portion of the display panel in FIG. 3 emits light. In the second display section, illustrations or characters are displayed to urge the user to put his hand further.

However, if the user does not put his hand all the way in and keeps this state for 2 seconds, the output e of the timer circuit 80 is output.
Becomes low level, the output f of the timer circuit 81 becomes high level, and the light emitting diode 99 (LED2) blinks with the cycle of the oscillation circuit 86. Further, after 5 seconds, the output f of the timer circuit 81 becomes low level, the cycle of the oscillation circuit 86 is shortened, and the light emitting diode 99 (LED2) blinks at a shorter cycle via the AND circuit 84. In this way, the user is urged to reach his back as soon as possible.

The hand is inserted all the way to the back of the hand insertion section 7 to block the infrared rays of the infrared light emitting diode (rear sensor 35) on the rear side and to turn off any one of the four phototransistors 72a to 72d. , The comparators 74a to 74a
The output of 74d goes low, and the output b of the latch circuit 76 goes low. When the output b of the latch circuit 76 goes low, the output d of the AND circuit 78 goes low, turning off the light emitting diode 99 (LED2). Further, when the output h of the timer circuit 87 becomes high level, the light emitting diode 100 (LED3) blinks in synchronization with the cycle of the oscillation circuit 86, and the whole or a part of the third display portion of the display panel of FIG. Flashes when flashing. Illustrations or characters that prompt the user to slowly pull out his hand are displayed on the third display section.

After 2 seconds, the timer circuit 87
Becomes low level, and the output i of the timer circuit 88 becomes low.
Becomes high level, and the light emitting diode 100 (LED
3) is turned off, the light emitting diode 101 (LED4) blinks, and the whole or a part of the fourth display unit of the display panel in FIG. 3 emits light in a blinking state. In this fourth display,
Illustrations or characters are displayed to prompt the user to slowly pull the hand out of the hand insertion section 7. After a lapse of 2 seconds, the output i of the timer circuit 88 goes low, the output j of the timer circuit 89 goes high, the light emitting diode 101 (LED4) turns off, and the light emitting diode 102 (LED5) blinks. , 5 of the display panel in FIG.
The whole or a part of the second display unit emits light in a blinking state.
An illustration or a character indicating that the hand has been dried is displayed on the fifth display section.

As described above, the hand drying device of this embodiment is
Entry upper / lower side sensor 3 for detecting the state of insertion into hand insertion section 7
2, 33 and the back and forth upper and lower sensors 34 and 35, which are disposed in front of the upper part of the box 6, and are provided at predetermined time intervals in accordance with detections by the entrance upper and lower sensors 32 and 33 and the back and upper side sensors 34 and 35. Light emitting diode 98 to turn on or off with
And a display unit 50 for emitting and displaying operation procedure guidance using the LED 102 (LED1 to LED5).

That is, in the hand drying apparatus of the present embodiment, the blowout nozzles 13 provided on the upper and lower surfaces of the hand insertion portion 7 which is provided with the front surface 8 and the side surface 9 of the box body 6 opened and inserted freely. ,
The high-pressure air is sent by the high-pressure air generator 16,
Inlet upper and lower sensors 32, 3 provided in the hand insertion portion 7.
3 and the upper and lower side sensors 34 and 35 detect the state of hand insertion into the hand insertion unit 7 and turn on or off at a predetermined time interval on a display unit 50 disposed on the upper front of the box 6. Light emitting diodes 98 to 102 (LED1 to LED5)
Is used to display the operation procedure guidance.

Therefore, the operation procedure is sequentially displayed on the display unit 50 simply by inserting a hand into the hand insertion unit 7, and anyone can use the display only by following the display. As a result, even when using for the first time, the usage can be easily understood.

<Second Embodiment> FIG. 6 is a front view showing a display unit of a hand dryer according to a second embodiment of the present invention. In the figure, the same reference numerals and symbols as those in the first embodiment denote the same or corresponding components as those in the first embodiment.

In the drawing, reference numeral 51 denotes a display unit provided on the hand insertion unit 7, and the blowing nozzle 1 is provided on the lower surface of the hand insertion unit 7.
A plurality of light emitting elements such as a plurality of light emitting diodes are linearly arranged in a line from 3 toward the intake port 15. The difference from the first embodiment is that the arrangement position of the display unit 51 is different.
The difference is that the display content and the display operation of the display unit 51 are different. The other configuration is the same as that of the first embodiment.

Therefore, here, the display contents and the display operation of the display section 51 of this embodiment will be described. When the hand is inserted into the hand insertion section 7 and the infrared light of the infrared light emitting diode on the entrance side (lower entrance sensor 33) is blocked and the infrared phototransistor (upper entrance sensor 32) is turned off, the display section 51 is turned off.
The light emitting element on the side of the intake port 15 blinks. Further, when the hand is inserted all the way to the back of the hand insertion section 7 and the infrared light of the infrared light emitting diode on the rear side (rear sensor 35) is blocked and the infrared phototransistor (rear sensor 34) is turned off, the display section 51 is turned off. Light emitting element is blown out from the intake port 15 side
Lighting is sequentially switched in three directions, and the light emitting element at the end located on the side of the blowing nozzle 13 is turned on in about four seconds.
Thus, by inserting the hand into the hand insertion section 7, the lighting state of the light emitting element of the display section 51 sequentially moves from the back to the entrance. Therefore, if the hand is pulled out in accordance with the movement of the display state of the display unit 51, the water drop of the hand can be removed.

As described above, the hand drying device according to the present embodiment includes the entrance upper and lower sensors 3 for detecting the state of insertion into the hand insertion section 7.
2, 33 and the back and forth upper and lower sensors 34, 35, and between the outlet nozzle 13 and the air inlet 15 of the hand insertion portion 7,
The entrance upper and lower sensors 32 and 33 and the rear upper and lower sensors 3
In response to the detection by 4, 35, a plurality of light emitting elements that blink at predetermined time intervals are arranged, and a hand-dry state is displayed by light emission , that is,
And a display unit 51 for guiding hand movements .

That is, in the hand drying apparatus of the present embodiment, the state of hand insertion into the hand insertion section 7 is detected by the inlet upper and lower sensors 32 and 33 and the inner and lower back sensors 34 and 35, and the hand insertion section 7 is blown out. Display unit 5 disposed between nozzle 13 and intake port 15
1. Arrange a plurality of light-emitting elements that blink at predetermined time intervals.
This is to guide the movement of the hand.

Therefore, the user can see the state of removing water drops with his / her hand while looking at the display section 51, and can pull out his / her hand from the hand insertion section 7 at an optimum speed. As a result, the table
By simply moving one's hand in accordance with the indicator 51, the hand can be efficiently dried.

Third Embodiment FIG. 1 is a side sectional view showing a hand dryer according to a third embodiment of the present invention, and FIG. 7 shows a display unit of the hand dryer according to a third embodiment of the present invention. It is a front view. In the figure, the same reference numerals and symbols as those in the first embodiment denote the same or corresponding components as those in the first embodiment. Since FIG. 1 is common to the first embodiment, the description of FIG. 1 is omitted here.

In the drawing, 53 is a drain caution display indicating that the water in the drain reservoir 12 is full, and 54 is a nozzle clogging warning indicating that the nozzle hole 14 of the blowing nozzle 13 is clogged. , 55 is a filter warning display that indicates that the filter 36 of the intake port 15 has become clogged, 56 is an overheating warning display that indicates that the exhaust side 20 of the high-pressure air generator 16 has been abnormally heated, Numeral 57 denotes a night use display for displaying night use. The display unit 50 of the present embodiment is disposed above the front surface 8 of the box 6 and displays the various types of information described above.

Here, the display contents and the display operation of the display unit 50 of this embodiment will be described in detail. As shown in FIG.
In this hand drying device, water droplets separated from the hand are discharged
Is stored in a drain reservoir 12 through a hose 11, and a water level sensor 60 is disposed above the drain reservoir 12, and the water level sensor 60 detects that the water level in the drain reservoir 12 exceeds a predetermined height. Is detected, the display unit 50
Is turned on or off . The light emission display of the drain caution indicator 53 prompts the user to discard the water accumulated in the drain reservoir 12.

As described above, the hand drying device according to the present embodiment includes the drain reservoir 12 for storing water droplets scattered in the hand insertion portion 7.
And a water level sensor 6 for detecting the water level of the drain reservoir 12.
0 and lighting or according to the detection of the water level sensor 60
A display unit 50 that emits light by displaying a water level state of the drain pool 12 as a drain warning display 53 by using a light emitting element that is turned off.
And

Then, the water level of the drain reservoir 12 is detected by the water level sensor 60, and in response to the detection of the water level sensor 60,
Light emission is displayed on the drain caution display 53 of the display unit 50 using a light emitting element that is turned on or off . Therefore, the amount of water stored in the drain reservoir 12 is known, and it is possible to prevent water from overflowing from the drain reservoir 12 before it occurs.

Further, a pressure sensor 61 is provided in the first duct 19 connected to the blowing nozzle 13, and when a measured value of the pressure sensor 61 becomes higher than a predetermined pressure, a display is made. integrated light-emitting element is on or off lights in the nozzle packed notices 54 parts 50. That is, an abnormally high pressure in the first duct 19 indicates that the nozzle hole 14 of the blow-out nozzle 13 is clogged.
Encourage cleaning of 3. Conversely, when the measured value of the pressure sensor 61 becomes lower than the predetermined pressure, the light emitting element incorporated in the filter warning display 55 of the display unit 50 turns on or off . That is, an abnormally low pressure in the first duct 19 indicates that the filter 36 of the intake port 15 is clogged. Therefore, the light emission display of the filter warning display 55 allows the user to clean or replace the filter 36. Prompt.

As described above, the hand drying apparatus according to the present embodiment uses the first duct 19 communicating with the blowing nozzle 13 provided in the hand insertion section 7 and the air in the hand insertion section 7 through the air inlet 15. The high-pressure air generator 16 sucks in through the filter 36 and sends high-pressure air to the blowing nozzle 13 through the first duct 19.
A pressure sensor 61 for detecting the pressure in the first duct 19; and a light emitting element that is turned on or off in response to the detection of the pressure sensor 61. A display unit 50 for emitting light as the display 54 or the filter warning display 55.

Then, the pressure in the first duct 19 for sending high-pressure air to the blowing nozzle 13 of the hand insertion portion 7 is detected by a pressure sensor 61.
In response to the detection of the pressure sensor 61, the nozzle clogging warning display 54 or the filter warning display 5 of the display unit 50.
5, light-emitting display is performed using a light-emitting element that is turned on or off . Therefore, since the clogging of the blow-out nozzle 13 and the clogging of the filter 36 can be known from the pressure abnormality in the first duct 19, the cleaning and replacement of the blow-out nozzle 13 and the filter 36 can be appropriately performed.

Further, the exhaust side 20 of the high-pressure air generator 16
A temperature sensor 62 is disposed in the vicinity of, and when the temperature exceeds a predetermined temperature, the light emitting element incorporated in the overheating warning display 56 of the display unit 50 turns on or off . At the same time, the high-pressure air generator 16 operates at a low output. In this way, the light emission display of the overheating warning display 56 urges the user to cool the high-pressure air generating unit 16 and also cools the high-pressure air generating unit 16 to prevent abnormal overheating.

As described above, the hand drying apparatus according to the present embodiment includes the first duct 19 communicating with the blow nozzle 13 provided in the hand insertion portion 7 and the blow nozzle 1 through the first duct 19.
3, a high-pressure air generator 16 that sends high-pressure air to the third duct, a temperature sensor 62 that detects the temperature in the first duct 19, and a light-emitting element that is turned on or off according to the detection of the temperature sensor 62. Warning display of abnormal temperature inside
And a display unit 50 for emitting light.

Then, the temperature in the first duct 19 for sending high-pressure air to the blowing nozzle 13 of the hand insertion section 7 is measured by a temperature sensor 62.
In response to the detection of the temperature sensor 62, the overheating warning display 56 of the display unit 50 performs light emission display using a light emitting element that is turned on or off . Therefore, since it is known that the high-pressure air generating unit 16 has been heated by the rise in the internal temperature, the high-pressure air generating unit 16 can be appropriately cooled as needed.

The night use display 57 of the display unit 50 is
This indicates the use of the hand dryer at night. For example, when the user uses the hand dryer with low noise at night, the output of the high-pressure air generator 16 is switched by a changeover switch (not shown), Can be used with noise. in this case,
The night use display 57 informs the use state.
This changeover switch may be switchable not only in two stages but also in multiple stages as necessary, and may be displayed using a level meter or the like.

As described above, the hand drying device of the present embodiment controls the high-pressure air generating unit 16 that sends high-pressure air to the blowing nozzle 13 of the hand insertion unit 7 and the operation of the high-pressure air generating unit 16 in a plurality of stages. And a display section 50 for displaying the output state of the high-pressure air generating section 16 as a night use display 57.

The operation of the high-pressure air generator 16 for sending high-pressure air to the blow-out nozzle 13 of the hand insertion unit 7 is controlled in a plurality of stages by a changeover switch (switching control means), and the output state of the high-pressure air generator 16 is controlled. At night display 5 on the display unit 50
7 is displayed. Therefore, the user can appropriately switch the use state according to the situation, and can understand the use state, so that the use according to the situation can be easily performed.

[0059]

As described above, the hand drying apparatus according to the first aspect of the present invention includes the hand inserting section, the blowing nozzle, the high-pressure air generating section, the sensor, and the display section. A high-pressure air generator sends high-pressure air to blowing nozzles provided on the upper and lower surfaces of a hand insertion unit which is provided so as to be freely inserted with a side surface opened, and a sensor provided on the hand insertion unit. Detecting the state of hand insertion into the hand insertion unit and illuminating and displaying operation procedure guidance on a display unit disposed on the upper front of the box using a light emitting element that is turned on or off at predetermined time intervals. By simply inserting a hand into the hand insertion section, the operation procedure is sequentially displayed and anyone can use the operation procedure. Therefore, even when using the apparatus for the first time, it is easy to understand how to use the apparatus.

A hand drying apparatus according to a second aspect of the present invention includes a hand insertion section, a blowing nozzle, a high-pressure air generation section, a sensor, and a display section. A sensor detects the state of hand insertion into the hand insertion unit provided in the unit, and turns on or off at a predetermined time interval on a display unit disposed between the blowing nozzle and the air inlet of the hand insertion unit. By guiding a hand by arranging multiple light emitting elements , the user can
Optimum drying just by moving your own hand according to the display
The hand can be pulled out of the hand insertion part at a speed .

According to a third aspect of the present invention, there is provided a hand drying device, comprising: a hand insertion portion, a blowing nozzle, a high-pressure air generating portion, a drain reservoir,
A water level sensor and a display unit are provided, and a water level sensor detects a water level of a drain pool in which water droplets scattered in a hand insertion unit which is opened and openable through the front and side surfaces of the box body are stored. The amount of water stored in the drain reservoir is known by displaying the level of the water in the drain reservoir by using a light emitting element that is turned on or off on the display unit in response to the detection of the sensor, so that the amount of water stored in the drain reservoir is known. The overflow can be prevented beforehand.

A hand drying apparatus according to a fourth aspect of the present invention includes a hand insertion section, a blowing nozzle, a duct, a high-pressure air generation section, a pressure sensor, and a display section. A high-pressure air is sent through a duct to a blow-out nozzle of a hand insertion portion provided so as to be freely inserted therethrough, and the pressure in the duct is detected by a pressure sensor. By displaying the pressure state in the duct using a light emitting element that is turned on or off, it is possible to detect clogging of the blowout nozzle and the filter due to abnormal pressure in the duct. Can be.

A hand drying apparatus according to a fifth aspect of the present invention includes a hand insertion section, a blow nozzle, a duct, a high-pressure air generation section, a temperature sensor, and a display section. The high-pressure air is sent through a duct to the blow-out nozzle of the hand insertion portion that is freely inserted and inserted, and the temperature in the duct is detected by a temperature sensor, and the display is turned on according to the detection of the temperature sensor. Alternatively, by displaying the abnormal temperature in the duct by emitting light using a light emitting element that is turned off , it is known that the high-pressure air generating unit is in a heated state due to an increase in the internal temperature, and the high-pressure air generating unit is cooled as necessary. can do.

A hand drying apparatus according to a sixth aspect of the present invention includes a hand insertion section, a blowing nozzle, a high-pressure air generation section, a switching control means, and a display section. The operation of the high-pressure air generating unit that sends high-pressure air to the hand insertion unit provided so as to be freely inserted is switched and controlled in a plurality of stages by the switching control unit,
By displaying the output state of the high-pressure air generating section on the display section, the use state can be appropriately switched and used according to the situation, and the use state can be known, so that the use according to the situation can be easily performed.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing a hand drying device according to a first embodiment and a third embodiment of the present invention.

FIG. 2 is a perspective view showing a hand dryer according to a first embodiment of the present invention.

FIG. 3 is a front view showing a panel of a display unit of the hand dryer according to the first embodiment of the present invention.

FIG. 4 is a circuit diagram showing a display unit control circuit of the hand dryer according to the first embodiment of the present invention.

FIG. 5 is a timing chart showing the operation of the display control circuit of FIG. 4;

FIG. 6 is a front view showing a display unit of a hand dryer according to a second embodiment of the present invention.

FIG. 7 is a front view showing a display unit of a hand dryer according to a third embodiment of the present invention.

FIG. 8 is a sectional view showing a conventional hand drying device.

[Explanation of symbols]

5 Hand drying device main body, 6 Box body, 7 Hand insertion section, 12
Drain pool, 13 outlet nozzle, 14 nozzle hole, 15
Intake port, 16 high-pressure air generator, 19 first duct,
32 Upper entrance sensor, 33 Lower entrance sensor, 34
Upper back sensor, 35 Lower back sensor, 36 Filter,
50 display part, 51 display part, 53 drain attention display,
54 Nozzle clogging warning display, 55 Filter warning display, 5
6 Warning display for overheating, 57 Night use display, 60 Water level sensor, 61 Pressure sensor, 62 Temperature sensor, 98-10
2 Light emitting diode.

 ────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Kazuhiko Hotta 1-3-3 Komabacho, Nakatsugawa City, Gifu Prefecture Mitsubishi Electric Corporation Nakatsugawa Works (56) References JP-A-1-214320 (JP, A) Sho 61-17995 (JP, U) Japanese Utility Model 4-19291 (JP, U) Japanese Utility Model 4-69090 (JP, U) Japanese Utility Model 4-136195 (JP, U)

Claims (6)

(57) [Claims] 1. A hand insertion portion which is provided so as to be openable by opening a front surface and a side surface of a box, a blowing nozzle which is respectively provided on upper and lower surfaces of the hand insertion portion, and an air in the hand insertion portion. A high-pressure air generating unit that sends high-pressure air to the suction and blow-off nozzles; a sensor that is provided in the hand insertion unit and detects an insertion state into the hand insertion unit; A hand-drying device, comprising: a display unit that emits light to display operation procedure guidance using a light-emitting element that is turned on or off at predetermined time intervals in accordance with detection by a sensor. 2. A hand insertion portion which is provided so as to be openable by opening the front and side surfaces of the box, a blowing nozzle which is respectively provided on upper and lower surface portions of the hand insertion portion, and air in the hand insertion portion. A high-pressure air generating unit that sends high-pressure air to the suction and blow-out nozzles; a sensor provided in the hand insertion unit to detect an insertion state into the hand insertion unit; and a blow-out nozzle and an air inlet of the hand insertion unit. Arranged in between,
Intake at predetermined time intervals according to detection by the sensor
Light-emitting element that turns on or off sequentially from the mouth toward the nozzle
And a display for guiding hand movements . 3. A hand insertion portion which is provided so as to be openable by opening the front and side surfaces of the box, a blowing nozzle provided on each of upper and lower surfaces of the hand insertion portion, and air in the hand insertion portion. A high-pressure air generating unit that sends high-pressure air to the suction and blowing nozzles; a drain reservoir that stores water droplets scattered in the hand insertion unit; a water level sensor that detects a water level of the drain reservoir; and a response to the detection of the water level sensor. A hand-drying device, comprising: a light-emitting element that is turned on or off, and a display unit that emits light to display the water level state of the drain pool. 4. A hand insertion portion which is provided so as to be openable by opening the front and side surfaces of the box, a blow nozzle provided on each of upper and lower surfaces of the hand insert portion, and a duct communicating with the blow nozzle. And a high-pressure air generating unit that sucks air in the hand insertion unit and sends high-pressure air to the blowing nozzle via the duct, a pressure sensor that detects pressure in the duct, and, in response to the detection of the pressure sensor, A hand-drying device, comprising: a display unit for illuminating and displaying a pressure state in the duct using a light-emitting element that is turned on or off . 5. A hand insertion portion which is provided so as to be openable by opening the front and side surfaces of the box, a blow nozzle provided respectively on upper and lower surfaces of the hand insert portion, and a duct communicating with the blow nozzle. And a high-pressure air generating unit that sucks air in the hand insertion unit and sends high-pressure air to the blowing nozzle via the duct, a temperature sensor that detects a temperature in the duct, and, in accordance with the detection of the temperature sensor, A hand-drying device, comprising: a display unit that displays a temperature abnormality in the duct by using a light-emitting element that is turned on or off . 6. A hand insertion portion which is provided so as to be openable by opening the front and side surfaces of the box, a blowing nozzle provided on each of upper and lower surfaces of the hand insertion portion, and air in the hand insertion portion. A high-pressure air generation unit that sends high-pressure air to the suction and blow-off nozzles, a switching control unit that controls the operation of the high-pressure air generation unit in a plurality of stages, and a display unit that displays an output state of the high-pressure air generation unit. A hand drying device, comprising: