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JPS60195593

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DESCRIPTION JPS60195593
[0001]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an
exhaust actuating device which produces an intentional buzzing sound by utilizing exhaust from
a pneumatically actuated actuating device. BACKGROUND OF THE INVENTION In general, in
pneumatic actuators, the energy of the exhaust is attenuated by a silencer to reduce the noise. On
the other hand, it has also been proposed to utilize the exhaust from a pneumatically actuated
device. For example, as shown in JP-A-56-60803, the exhaust pressure is stored in an
accumulator, and as shown in JP-A-51-93095, the exhaust is circulated to the suction side of the
compressed air supply source. Some make up for the unstable air of the pneumatic circuit.
However, recently, it has been required to use exhaust energy from a pneumatic actuator for
other measures from other points of view. OBJECTS OF THE INVENTION The present invention is
made based on the above-mentioned matters, and it is an object of the present invention to
provide an exhaust operation device which actively uses exhaust air from a pneumatic operation
device for generation of ringing noise. . [Summary of the Invention] The feature of the present
invention is that in the actuating device operated by air pressure, a buzzing sound generating
means is connected to the exhaust part via a buzzing sound selecting means, and the buzzing
sound selecting means is a controller The operation control is performed according to the above,
and the exhaust gas is supplied to the buzzing sound generation means to perform buzzing of
music, transmission of a dangerous state or an abnormal state, and the like. Embodiments of the
present invention will be described below with reference to the drawings. FIG. 1 shows a
pneumatic operating device provided with an example of the exhaust operating device of the
present invention, in which 1 is an air pressure source and 2 is an actuator operated by pressure
air from the air pressure source 1. The actuator 2 is a pneumatic cylinder in this example. 3 is a
switching valve 4a for switching the direction of pressure air supplied from the air pressure
source 1 to the actuator 2. 4b is a flow control valve provided in a pipeline connecting the
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switching valve 3 and the actuator 2, 5 is a tank for storing energy of exhaust from the actuator
2, 6 is a pressure reducing valve for maintaining and adjusting the pressure in the tank 5 . The
pressure reducing valve 6 has a function of supplying air pressure energy from the air pressure
source 1 in order to maintain the internal pressure of the tank 5 at a pressure necessary for
blowing, but the exhaust energy of the actuator 2 It is not necessary if it is sufficient to maintain.
The numeral 7 is a ringer operated by the exhaust from the tank 5, and 8 is a control device of
the ringer 7. An example of the above-described ringing device 17 will be described with
reference to FIG. In this figure, the same reference numerals as in FIG. 1 indicate the same parts.
The ringer 7 is equipped with the sounding body 10 a-Ion which has a different scale like a
whistle. The sound producing body 10a-10n is connected to the tank 5 by pipes 12a-12n having
0N-OFF type solenoid valves 11a-11n. The branch pipe 13 is connected to the pipe line 12 n. The
branch pipe 13 has a relief valve 14 and is connected to the silencer 15. The relief valve 14
releases air energy to the atmosphere through the silencer 15 when the amount of exhaust gas
increases and the pressure in the tank 5 rises more than necessary. The set pressure of the relief
valve 14 is set to be slightly higher than that of the pressure reducing valve 6 so that it is
possible not to take away unnecessary energy from the air pressure source 1 through the
pressure reducing valve 6. The solenoid valves 11a to 11n described above are sequentially
switched based on the signal from the control device i8. A signal for switching the solenoid
valves 11a to 11n is output from the control device 8 so that, for example, the sounding bodies
10a to Ion sound the desired music. The operation of one example of the apparatus of the
present invention described above will now be described. For example, when the solenoid valve
11a is switched from the closed position to the open position according to a signal from the
control device 18, the pressure air in the tank 5 flows out to the sound producing body 10a
through the conduit 12a. As a result, the sound producing body 10a sounds a constant scale
sound. Therefore, if a signal set in advance based on the desired music is output to the control
bag w8, the sound producing bodies 10a to Ion will ring the set music. This music buzz acts as a
background music for environments where pneumatic actuators are installed. FIG. 3 shows
another example of the ringing device 7 constituting the device of the present invention. In this
figure, the same reference numerals as in FIGS. 1 and 2 indicate the same parts, and another
example of the buzzer 7 is provided with the spout 16 which moves along the inlets of the sound
producing bodies 10a to Ion. . The blow port 16 is connected to the tank 5 through a switching
valve 18 by a flexible tube 17. A silencer 20 is connected to the switching valve 18 through a
relief valve 19. The above-mentioned mouthpiece 16 is connected to the nut body 21 supported
non-rotatably. The nut body 21 meshes with the screw shaft 22. The screw shaft 22 is rotated by,
for example, a stepping motor 23. The motor 22 and the switching valve 18 are operated and
controlled by a command signal from the controller 8. Next, another operation of the abovedescribed apparatus of the present invention will be described. When the sounding bodies 10a to
1on are blown using the pressure air in the tank 5, the switching valve 18 held at the position
shown in FIG. 3 is switched by a signal from the control device 8.
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As a result, the pressure air in the tank 5 passes through the switching valve 18 and the flexible
tube 17 to reach the blow port 16 and flows out to the sounding bodies 10a to Ion. At this time,
by driving the motor 23 in accordance with a signal from the control device 8 to move the
mouthpiece 16 to a desired inlet position of the sounding members 10a to Ion, desired music can
be produced. Then, the sounded music can be used as, for example, background music. In the
above embodiment, the music uttered by the sounding bodies 10a to Ion is used as, for example,
the ground music, but the movement of the actuator 2 is detected by a detector such as a
potentiometer, and the detected value is used as a control bag Capture to w8. If the solenoid
valves 10a to Ion shown in FIG. 2 are switched or controlled in accordance with the movement of
the actuator 2 or the rotation of the motor 23 shown in FIG. 3 is controlled, the music suitable
for the movement of the actuator 2 is produced. Can. For this reason, it is possible to increase the
added value of the operating device driven by the actuator 2. In particular, it is effective when
used in amusement equipment. In addition, if abnormal movement of the actuator 2 is detected
by a detector and this abnormality detection signal is controlled through the control device 8 to
control any one of the sounding bodies 10a to Ion, it is also possible to transmit the danger and
abnormal state of the actuator 2 It is. As described above, according to the present invention,
since the exhaust energy from the pneumatic actuator can be used to blow a meaningful sound,
the added value of the pneumatic actuator can be enhanced.
[0002]
Brief description of the drawings
[0003]
FIG. 1 is a view showing the configuration of a pneumatic operating device provided with an
embodiment of the device of the present invention, and FIG. 2 is a view showing the
configuration of an example of a ringer constituting the device of the present invention shown in
FIG. FIG. 3 is a view showing the configuration of another example of the ringing device
constituting the device of the present invention.
DESCRIPTION OF SYMBOLS 1 ... Air pressure source, 2 ... Actuator, 3 ... Change valve, 5 ... Tank, 7
... Ringing device, 8 ... Control device, 10 a = 10 n- sounding body, 11 a to 11 n-solenoid valve,
10: blow port, 16: blow port, 18: switch valve, 21: nut body, 22: screw shaft, 23: motor. Stem 1
Flash
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