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DESCRIPTION JPS482659

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DESCRIPTION JPS482659
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows an embodiment of the present invention,
FIG. 1 is a front view in vertical section, FIG. 2 is a plan view, and FIG. 3 is a vertical section in a
conventional example. 1 иииииии Vibrating element, 2 ииииииииии Housing body, 3 иииииииииииииииииииииииииииииииииии
DETAILED DESCRIPTION OF THE INVENTION In the present invention, since the vibration
elements constituting the ultrasonic transducer are connected and suspended by soldering into
the container, the connecting portion is altered due to temperature change, resulting in a
decrease in sensitivity. There is no risk of having a large amplitude, and it is rigid, that is, the
connector 3 is straddled between the vibrating element 1 and the housing 2 by soldering, and the
vibrating element 1 is housed (2) It is characterized by being suspended inside. Note that if one
end of the connector 6 is soldered to the peripheral portion of the vibrating element 1 at -r и and
soldered to one or a few places, the vibrating element 1 is completely rigid to the housing 2 ' ; t"Ill, & ya Jojo without being found the vibrating elements 1 from being partially supported
largely amplitude loosely vertically is advantageous amplitude effects is increased. In this type of
ultrasonic transducer, it is necessary that the component can withstand temperature changes,
and in order to obtain a large amplitude b, the vibrating element is supported with as much
margin as possible and its mechanical strength is high. Desirable to be tx. However,
conventionally, as shown in FIG. 3, this type of ultrasonic transducer is provided with a
cylindrical support B made of rubber at the center of the upper surface of the bottom plate of the
bottomed cylinder A, and bonded onto this cylindrical support B. Since the vibration element ? is
mounted with the agent, the rubber and the adhesive constituting the support B are deteriorated
due to the temperature change, so that the correct vibration effect can be expected and the
elasticity is also supported. If body B itself absorbs vibration and as a result the sensitivity is
extremely poor, and furthermore, the vibrating element C itself is supported by the cylindrical
support B at its central position, the stability is too high and as a result a large amplitude is
obtained, ': Can not be made, and even when a large amplitude is generated; ?' 11 ? 1 vibration
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element ci ? ? is attached easily by an adhesive, so mechanical strength is extremely low. . The
present invention overcomes these drawbacks, and the construction of one embodiment will be
described in detail. For example, a brass ring 4 is bonded to the upper end edge of the south
bottom cylindrical container 2 made of Bakelite or ABS resin. The vibration element 1 concentric
with the housing 2 is placed in the container 2 with an agent or screw, and the vibration element
1 is made of a ceramic such as barium titanate, lead zirconate, niobate, etc. The two thin disks 5.6
of different polarity are bonded to each other, and silver plating etc. is applied to the front and
back surfaces to form an electrode. When arranged so as to be the top edge and the planar shape
1, the vibrating element 10 peripheral edge and the housing "; :::::: I": 'in the ::::::: 2 = 4.6-115, 2,
the case и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и
Connection body Then, the vibrator (3) 1 was suspended into the housing 2 and the lead wire 7
was attached to the thin disc electrode 6 of the vibration element 1, and the lead wire 7 was
penetrated to the bottom plate of the housing 2 The lead wire 9 is attached to the terminal 8 and
the connector 3 is attached to a suitable one of the connector 5.3.3.5, and the 1-node wire 9 is
connected to the other terminal 10. 3 ░ In addition, since the vibrating element 1 is disposed
flatly with the upper end edge of the housing 2, the air layer 11 is formed between the back
surface of the vibrating element 1 and the housing 20 floor plate. .
G, force to form with ABS resin; material may not be limited, metal may be made, and in this case,
it is difficult to attach the lead wire 9 like the thin disk electrode 5 of the vibrating element 1 It
does not require time and effort to connect to a position, and it is sufficient if it is attached to the
housing 2 itself; operating force; easily, a voltage of a predetermined frequency from the electric
device is vibrated via the terminal 8.10 and the lead, 1j7.9. When given to the thin disk electrode
5.6, one vibration ... c4) и 1 ? ? (7 ? 1) The element 1 oscillates in a spherical shape and
precisely vibrates according to the frequency. However, when receiving from the outside and
converting it to electrical energy, the opposite action is performed. As described above, the
present invention does not use a material that is vulnerable to temperature change such as
rubber when supporting the vibration element, and is soldered, so that the connected body is not
weakened by the change of the air temperature. The correct amplitude is always obtained, and as
a result the sensitivity is extremely good, and the vibratory element is not supported at its central
position, but is straddled by a connector and soldered? Layers can be formed widely, and it is
possible to drive with a large input by making a large amplitude 1-), and as a result, one lead wire
is an electrode plate of the vibrating element. There is no need to connect to a fixed connector, so
there is no risk that the lead wire will be disconnected 1 due to vertical vibration of the vibrating
element itself, so it is robust and does not use an adhesive. Therefore, the vibration element is
released due to large vibration 1, (, 51, b7. There is no risk and it is economical to manufacture at
low cost, and the economic effect is also a dog.
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