JPH029753Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) The present invention relates to a hand washing device installed in a clean room.

(Conventional technology and its problems) Conventionally, sanitary facilities such as large urinals and wash basins were not installed in clean rooms to prevent the infiltration of bacteria and other fine dust. The work involved changing clothes and going in and out of the room each time, which was not only tedious but also risked the infiltration of dirt and dust.

Therefore, it has been desired to install sanitary equipment in the room that allows workers to automatically wash, hand wash, and dry items without touching anything.

However, as shown in Figure 9, the conventional hand washing device
The blower fan 101 of the drying device 100 is the ball part 1
02 facing the opening 103 side, hot air for drying may be blown into the clean room during drying after cleaning and contaminate the room, or the hot air may There is a risk that the dirt and dust that was on the clothes will be blown away and contaminate the room, and that the droplets on the hands after washing will be blown out by the hot air and get the clothes wet. It was hot.

(Technical problem to be solved by the invention) The technical problem to be solved by the invention is that hot air for drying is blown into the clean room.
To prevent water droplets on hands after washing from scattering inside a clean room and contaminating the inside of the room.

(Technical means for achieving the technical problem) The technical means for achieving the above-mentioned technical problem are a water spouting nozzle for handwashing and a hot air blowing nozzle that protrudes downward from the wall above the bowl of the handwash basin. In addition, the water spouting nozzle for hand washing and the hot air blowing nozzle are located on both sides of a vertical line passing through the middle position of the ball part, and are tilted at equal angles toward the vertical line.

(Function) When you put your hand into the bowl of the washbasin, the sensor detects your hand and sends a sensing signal to the control unit. Based on the command from the control unit, cleaning water is sprayed from the cleaning water nozzle for a certain period of time. Wash your hands with water.

At the same time as the water is spouted from the water spouting nozzle, the inside of the bowl is also washed, and the dirty water from hand washing is discharged to the outside of the hand wash without remaining inside the bowl.

Then, after a predetermined period of time has passed after the washing, the drying device is activated and blows hot air from the hot air blowing nozzle for a certain period of time to dry the hands.

(Effects of the invention) Since the invention has the above configuration, it has the following effects.

Drops of hot air and washing water do not fly out into the clean room during drying, preventing contamination in the room and preventing clothes from getting wet.

You can wash and dry your clothes without moving your hands each time you wash or dry your hands, so when your clothes vibrate or your cuffs rub against each other during hand washing, a large amount of fine dust is generated and scattered indoors. It is possible to prevent this from happening.

(Example) An embodiment of the present invention will be described below with reference to the drawings.

The hand-washing apparatus of this embodiment has a hand-washing apparatus _A1 installed in a unit room A as shown in FIG. Unit room A is on its floor _A2 from the inside to the side wall.
While a grating 26 is formed inside A ₃ and has numerous ventilation holes on the entire floor surface,
An air filter 27 is provided on the entire surface of the ceiling wall A ₄ , and by forcedly circulating the inside air with a circulation blower 28 installed in the middle of the air passage 25, clean air is always supplied through the air filter 27 and the atmosphere is clean. It grows so that it is maintained. The air filter 27 is a high-performance filter capable of collecting very fine particles of dirt and dust, and its collection efficiency is 99.97% or more.

As shown in FIGS. 2 and 3, the wash basin 1 is supported on a mounting table 6 outside the unit room A, and only the front opening 1a and the surrounding front wall 1b are connected to the rear wall A into the unit room A. It has been coming since ₅ .
The water discharging device for hand washing, the drying device for drying the hands, the exhaust device in the ball part 1c, the ball part cleaning device, and the operation of each of the above devices in response to a sensing signal from the sensing section 4 that senses the hand during hand washing. A control unit 5 that controls
Each of the devices and the control section 5 are provided inside the washbasin 1 or outside the unit room A so as not to obstruct the flow of clean air within the unit room A.

The water discharging device for hand washing is a ball part 1 in a hand washing basin 1.
c Attach the water spout nozzle 2 for handwashing downward to the upper wall surface 1d, deviating outward from the middle position in the width direction,
The nozzle 2 is connected to a water supply pipe 2b provided with a solenoid valve 2a.
The solenoid valve 2 is connected to the water supply source via the
a is electrically connected to the control section 5, and the control section 5
The solenoid valve 2a opens for a predetermined period of time to supply washing water to the water spouting nozzle 2, and the nozzle 2 spews washing water for hand washing into the ball portion 1c.

The water spouting nozzle 2 for handwashing is inclined at a predetermined angle toward a vertical line passing through an intermediate position in the width direction of the handwashing basin 1.

The drying device is provided with a hot air blowing nozzle 3 at a position widthwise symmetrical to the hand washing water spouting nozzle 2 on the wall surface 1d above the ball part 1c, and the nozzle 3 is connected to a hot air generator 3a via a flexible pipe 3b. At the same time, the hot air generator 3a is electrically connected to the control unit 5, and the hot air generator 3a operates for a predetermined period of time according to a command from the control unit 5 to blow hot air to the hot air blowing nozzle 3. The warm air blown from the nozzle 3 dries the hands. The warm air blowing nozzle 3 is inclined at an equal angle with the hand washing water spouting nozzle 2 toward a vertical line passing through the middle position in the width direction of the hand washing basin 1. Therefore, by inserting your hand into the middle position in the width direction inside the hand wash basin 1, you can receive the washing water from the hand wash water spouting nozzle 2 and the warm air from the hot air blowing nozzle 3 without moving your hand. be.

The hot air generator 3a has a blower fan 303a, an air filter 304a, and a ceramic heater 305a arranged in order from the upstream side in a case 302a to which an intake sound 301a is connected, thereby reducing heat loss and providing clean air in the unit room A. It is designed to blow clean warm air to avoid contamination.

The exhaust device within the ball portion 1c forms an exhaust passage 7 adjacent to the rear of the ball portion 1c, and connects this exhaust passage 7 to a forced exhaust fan 7a via an exhaust pipe 7b, and also connects the exhaust passage 7 to a forced exhaust fan 7a via an exhaust pipe 7b. is electrically connected to the control unit 5, and the forced exhaust fan 7a is operated by a command from the control unit 5, and when the hands are dry, by rubbing the hands together, the ball part 1
Dust such as hand waste that falls into the exhaust pipe 7 is sucked and discharged from the exhaust passage 7 along with warm air.

The ball part cleaning device forms an annular water passage 8 at the upper peripheral edge of the ball part 1c, connects this water passage 8 to a water supply source via a water supply pipe 8b provided with an electromagnetic valve 8a, and The valve 8a is electrically connected to the control unit 5, and the solenoid valve 8a opens in response to a command from the control unit 5 to supply cleaning water to the water passage 8, and a large number of Cleaning water flows from the water hole 8c along the inner wall of the ball portion 1c to clean the inside of the ball portion 1c. The washing water from the washing device is discharged to the outside of the washbasin 1 and the unit room A through the drain trap 9 and the drain pipe 10 together with the washing water from the water discharging device.

The sensing section 4 is composed of a photoelectric sensor, and is provided at a position sandwiched between the hand washing water spouting nozzle 2 and the warm air blowing nozzle 3 on the wall surface 1d above the bowl part, that is, at an intermediate position in the width direction of the hand washing basin 1, as shown in FIG. As shown in the figure, the optical axis _l1 of the light emitting and light receiving element is directed downward and inclined forward at a predetermined angle with respect to the vertical line. The optical axis
The slope _l1 positions the sensing part 4 slightly further back than the opening 1a of the washbasin 1, and prevents the sensing part 4 from malfunctioning due to a hand or the like accidentally blocking the light emitted from the light emitting element. Moreover, this is to enable the hand to be immediately detected when the hand is inserted into the hand wash basin 1 through the opening 1a during hand washing.

The operation of each device in the handwash basin 1 is controlled by the sensing section 4.
However, in order to wash and dry hands for the desired time, it is necessary to manually control the operation of each device. The manual control is performed by operating a switch on the operation panel 11.

The operation panel 11 is located on the rear wall _A5 of unit room A.
A hand washing switch 11a and a drying switch 11b, which are provided on the side of the hand washing basin 1 as shown in FIG.
A stop switch 11e, which is also a push button switch, and light emitting diodes 11f, 11 that indicate whether the control is automatic or manual and indicate its execution.
g is provided and electrically connected to the control section 5.

The operation of the above-mentioned hand washing basin 1 during hand washing is as shown in the time charts and flow charts of FIGS. 5 to 8.

[Brief explanation of drawings]

Fig. 1 is a cross-sectional perspective view of the hand washing device of the present invention installed in a unit room, Fig. 2 is a longitudinal sectional side view of the hand washing device, and Fig. 3 is a partially cutaway front view of the same.
Fig. 4 is an enlarged front view of the manual control operation panel, Fig. 5 is a time chart for automatic control, Fig. 6 is a flow chart of the same, Fig. 7 is a time chart for manual control, and Fig. 8 is a time chart for manual control. FIG. 9 of the same flowchart is a sectional view showing a conventional example of a hand washing device. In the diagram, A ₁ ...hand washing device, 1...hand washing basin, 2
. . . A water spouting nozzle for hand washing, and 3 . . . A warm air blowing nozzle are shown, respectively.

Claims (1)

[Scope of utility model registration request] A hand-washing water spouting nozzle and a warm air blowing nozzle are provided on the wall above the bowl portion of the hand-washing basin, and these hand-washing water spouting nozzle and hot air blowing nozzle are installed on both sides of a vertical line passing through the middle position of the bowl portion. The handwashing devices are located at the vertical line and tilted at equal angles toward the vertical line.