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DESCRIPTION JP2006139980

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DESCRIPTION JP2006139980
An object of the present invention is to provide an excellent electronic component capable of
realizing stable signal supply while preventing a decrease in spring pressure of a spring terminal.
SOLUTION: A sheet-like metal plate having conductivity is processed so as to provide bending
portions (1a, 1b) generating two or more spring pressures, and the spring pressure of this metal
plate is bent and processed By forming the electronic component 6 from the spring terminal 1
brought into contact with the feeding portion by utilizing it, the strength of the spring pressure
can be improved and a strong spring pressure can be maintained. [Selected figure] Figure 1
Electronic component and electronic device using the same
[0001]
The present invention relates to electronic components such as electroacoustic transducers used
in various acoustic devices and information communication devices, and devices such as
electronic devices such as mobile phones and game devices and automobiles.
[0002]
The prior art will be described with reference to FIGS. 8 to 9.
[0003]
FIG. 8 is a perspective view of a conventional electronic component, FIG. 9 is a sectional view
thereof, and FIG. 10 is a sectional view of a state in which the electronic component is mounted
on an electronic device such as a portable telephone.
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[0004]
In this electronic component, a spring terminal is used as a coupling method, and the spring
pressure of the spring terminal is used to make a pressure contact with the feeding portion of the
electronic device.
[0005]
As shown in FIGS. 8 and 9, the main body portion 15 of the electronic component and the sheet
metal plate coupled to the main body portion 15 and having conductivity are bent and the spring
pressure of the metal plate is obtained. The electronic component 16 is composed of a spring
terminal 10 to be in contact with the feeding portion using the
[0006]
The spring terminal 10 has one bent portion 10a that generates a spring pressure per one
terminal, and the bent portion generates a spring pressure at the time of contact with the power
feeding portion of the electronic device, which is stable. It is designed to be able to feed.
[0007]
Furthermore, in order to protect the spring pressure of the spring terminal 10, to form a stopper
on the spring terminal 10 or the main body portion 15 in a range where the bending of the metal
plate of the spring terminal 10 does not exceed the reversible limit value of the metal material. In
some cases, the bending range was controlled.
[0008]
In addition, as a prior art regarding the invention of this application, patent document 1 is
known, for example.
Unexamined-Japanese-Patent No. 2003-37890
[0009]
However, the prior art has the following problems.
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That is, when attaching the above-described electronic component 16 to an electronic device
such as a mobile phone as a set, if the pressing dimension of the electronic component is set
large or accidentally dropped, the spring pressure of the metal terminal of the spring terminal 10
is reversed. The limit value may be exceeded and the spring terminal 10 may be deformed.
[0010]
At this time, even in the case of the stopper having a stopper, the stopper limit value of the
spring pressure is exceeded because the stopper is damaged or broken due to the drop impact
force.
[0011]
Since the spring pressure of the spring terminal 10 is reduced due to the above-mentioned
reason, the contact coupling with the set feeding portion becomes unstable, causing a contact
failure, and the signal is interrupted. .
[0012]
In addition, even if the spring terminal 10 does not exceed the reversible limit value of the spring
pressure, a small impact is repeatedly generated and accumulated to cause metal fatigue, and the
spring terminal 10 is broken or the spring The pressure sometimes decreased.
[0013]
As described above, in the prior art, the spring pressure of the spring terminal 10 is reduced due
to an impact when setting the press-down dimension large, or the contact coupling becomes
unstable and the signal of the electronic component 16 is interrupted. It was
[0014]
Then, an object of this invention is to provide the outstanding electronic component which
prevents the reduction | decrease of the spring pressure of the spring terminal 10, and can
implement | achieve a stable signal supply.
[0015]
And in order to achieve this object, in the present invention, a sheet of sheet-like metal plate
having conductivity is processed so as to provide a bending portion generating two or more
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spring pressures, and the spring of this metal plate The electronic component having a spring
terminal to be brought into contact with the feeding portion by bending and utilizing the
pressure is configured.
[0016]
With this configuration, the spring pressure of the spring terminal can be strengthened, the
contact coupling with the set power feeding portion is stabilized, and an electronic device such as
a mobile phone incorporating the electronic component of the present invention is shocked or
vibrated. Even when contact failure does not occur, it is possible to provide an excellent
electronic component capable of realizing stable signal supply.
[0017]
Embodiment 1 Hereinafter, an electronic component according to Embodiment 1 of the present
invention will be described with reference to the drawings.
[0018]
FIG. 1 is a perspective view of an electronic component according to the first embodiment of the
present invention, FIG. 2 is a cross-sectional view thereof, and FIG. 3 is a cross-sectional view of
the electronic component such as a mobile phone mounted on the electronic device. .
[0019]
As shown in FIG. 1, FIG. 2 and FIG. 3, the main body portion 5 of the electronic component and
the main body portion 5 are subjected to bending processing of a sheet-like metal plate having
conductivity and this metal plate The electronic component 6 is configured of the spring terminal
1 which is brought into contact with the power feeding portion by bending and pressurizing the
spring pressure of the above.
[0020]
The spring terminal 1 is configured such that two bent portions 1a and 1b that generate a spring
pressure are doubled at substantially the same position, and this bent portion is in contact with
the feeding portion of the electronic device. It is designed to perform stable power supply by
spring pressure.
[0021]
About FIG. 3, it is sectional drawing which showed the state which mounted the above-mentioned
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electronic component 6 in electronic devices, such as a mobile telephone.
[0022]
FIG. 3 is a view showing a state in which the spring terminal 1 is bent to a certain extent and a
proper spring pressure is applied to the feeding portion on the set side by bending and pressing.
[0023]
As shown in FIG. 3, as the configuration of the mobile phone 80, the mobile phone 80 is mounted
with the electronic component 6, the electronic circuit 40, the components such as the display
module 60 such as liquid crystal, modules and the like inside the exterior case 70. Make up the
main part of
[0024]
Then, the spring part 1 of the electronic component 6 and the feeding part of the electronic
component 40 are contact-feed supplied with spring pressure to operate the electronic
component 6.
[0025]
As described above, in the present embodiment, the spring pressure of the spring terminal 1 is
enhanced by providing the spring terminal by providing the spring terminal in two or more
places as in the bent portions 1a and 1b for generating the spring pressure of the spring terminal
1. Can be
[0026]
Therefore, when attaching the electronic component 6 to the mobile phone 80 or the like which
is an electronic device, even if the pressing dimension of the electronic component is set large or
the mobile phone is dropped accidentally, an excessive impact force is applied to the spring
terminal. And the reversible limit value of the spring pressure can be spared, and can not be
exceeded, so that the strong spring pressure can always be maintained.
For this reason, the contact coupling of the electronic circuit 40 with the feeding portion is
stabilized, and the signal is stabilized without interruption.
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[0027]
Therefore, it is possible to provide an excellent electronic component capable of realizing stable
contact coupling, and to improve the reliability and the quality of an electronic device such as a
mobile phone.
[0028]
Further, the spring terminal 1 can be adjusted to increase the strength of the spring pressure by
carrying out the hardening treatment, and it becomes possible to arbitrarily set the spring
pressure strength according to the use application.
[0029]
Also, as a means for adjusting to increase the strength of the spring pressure, this embodiment
shows an example provided at two places so that the bending portion that generates the spring
pressure is double at almost the same place. Without being limited, as shown in FIG. 11 and FIG.
12, the spring is provided by providing in many places such as three places (1a, 1b, 1d) or four
places (1a, 1b, 1d, 1e) The strength of the spring pressure of the terminal 1 can be increased.
[0030]
Moreover, as shown in FIG. 13, the form which bends a sheet-like metal plate of 1 sheet, and
provides a bending part in the right and left produces the same effect as the above.
[0031]
In addition, as shown in FIG. 1, by forming a slit at the tip of the spring terminal in contact with
the feeding part, it is possible to ensure the feeding stability.
[0032]
Furthermore, as shown in FIGS. 4 and 5, for the purpose of protecting the spring pressure of the
spring terminal 1, the main body portion 5 is formed in such a range that the bending of the
metal plate of the spring terminal 1 does not exceed the reversible limit value of the metal
material. The bending range can also be controlled by providing the stopper 5 a or providing the
spring terminal 1 with the stopper 1 c.
[0033]
With this configuration, the spring pressure of the spring terminal 1 can be further reinforced,
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and a strong spring pressure can always be maintained, thereby further improving the reliability
and quality of electronic devices such as mobile phones. be able to.
[0034]
The electronic component 6 described above may be any electronic component for forming an
electronic circuit, such as a resistor, a coil, a transformer, a capacitor, a diode, or a ceramic
component.
[0035]
Furthermore, it may be a display component or module such as a light emitting diode, a liquid
crystal panel, or a plasma display panel.
[0036]
Second Embodiment Hereinafter, an electronic component in a second embodiment of the
present invention will be described with reference to the drawings.
[0037]
FIG. 6 shows a cross-sectional view of an electro-acoustic transducer which is an electronic
component in the second embodiment of the present invention.
Only the difference from the first embodiment will be described below.
[0038]
In the electro-acoustic transducer shown in FIG. 6, a magnetic circuit 24 is configured by
sandwiching the magnetized magnet 21 by the upper plate 22 and the yoke 23.
[0039]
A resin frame 26 in which a part of the terminal 30 which is a spring terminal is molded is
adhesively bonded to the magnetic circuit 24.
[0040]
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Then, a diaphragm 27 is adhered to the peripheral portion of the frame 26, a voice coil 28 for
driving the diaphragm 27 is coupled to the diaphragm 27, and the voice coil 28 is configured by
the magnetic circuit 24. It is coupled to fit in.
[0041]
Thereafter, the lead wire of the voice coil 28 is soldered and coupled to one end of the terminal
30 which is a spring terminal.
[0042]
Here, the terminal 30, which is a spring terminal, has two bent portions 30a and 30b that
generate a spring pressure per one terminal, and this bent portion is in contact with the power
supply portion of the electronic device. It is comprised so that a stable electric power feeding can
be performed by the spring pressure.
[0043]
By this configuration, the terminal 30 can always maintain a strong spring pressure, and the
contact coupling with the set feeding portion is stabilized, and contact failure occurs even when
the set is subjected to impact or vibration. Because it does not happen, the signal becomes stable
without interruption.
[0044]
Therefore, voice interruption due to vibration or the like of an electronic device such as a mobile
phone can be eliminated, and a stable communication state can be secured, whereby reliability
can be improved.
[0045]
Hereinafter, since the content is the same as the content described in the first embodiment, the
description thereof is omitted.
[0046]
In addition, about the use to the said electroacoustic transducer, it is applicable also to the
microphone which collects a sound, without being limited to the speaker which produces the
sound shown to this example, a receiver, and a sounder.
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[0047]
Third Embodiment Hereinafter, an electronic component in a third embodiment of the present
invention will be described with reference to the drawings.
[0048]
FIG. 7 shows a cross-sectional view of the device in the third embodiment of the present
invention, and the device is an electro-acoustic transducer which is an electronic component of
the present invention in an automobile which is a device provided with moving means. (Speaker)
The sectional view which mounted 35 is shown.
[0049]
As shown in FIG. 7, a car 35 is configured by incorporating a speaker 35, which is an electroacoustic transducer of the present invention, in a rear tray.
[0050]
Then, with regard to the supply of the electric signal to the speaker 35, the terminal 30 which is
a spring terminal provided to the speaker 35 is supplied while being pressure-contacted to the
terminal substrate 41 of the electronic circuit of the audio device mounted on the automobile 50.
doing.
[0051]
With this configuration, the terminal 30, which is a spring terminal of the speaker 35, is supplied
with power while being in pressure contact with the terminal substrate 41 of the electronic
circuit by a strong spring pressure.
[0052]
With this configuration, the terminal 30, which is a spring terminal of the speaker 35, is supplied
with power while being pressed into contact with the terminal substrate 41 of the electronic
circuit by strong spring pressure, so that stable signal supply can be realized. It is possible to
realize high quality and high reliability of the device.
[0053]
Furthermore, with regard to long-term performance guarantee for in-vehicle applications, it is
possible to eliminate the drop in spring pressure resulting from stress due to vibration when the
vehicle is running, and to achieve significant performance improvement.
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[0054]
Furthermore, the strong spring pressure contact coupling type can reduce the number of
components such as the connector housing and the production process for coupling the
connector housing as compared with the connector coupling type.
[0055]
Therefore, in the present embodiment, in addition to the realization of high reliability, the
improvement of production efficiency, the reduction of weight, and the reduction of cost can be
realized at the same time, and a remarkable effect which is not achieved conventionally is
exhibited.
[0056]
INDUSTRIAL APPLICABILITY The electronic component and the electroacoustic transducer
according to the present invention can be applied to video and audio equipment, information
communication equipment, electronic equipment such as game equipment and the like which
require improvement in reliability and quality, and various devices such as moving devices.
[0057]
The perspective view of the electronic component in the first embodiment of the present
invention The sectional view of the electronic component in the first embodiment of the present
invention The main part sectional view of the electronic device in the first embodiment of the
present invention The electronic device in the first embodiment of the present invention Crosssectional view of parts Cross-sectional view of electronic parts in preferred embodiment 1 of the
present invention Cross-section view of electro-acoustic transducer in preferred embodiment 2 of
the present invention Cross-section view of apparatus in preferred embodiment 3 of the present
invention Cross section of the conventional electronic component Cross section of the main part
of the conventional electronic device Cross section of the electronic component in the first
embodiment of the present invention Cross section of the electronic component in the first
embodiment of the present invention First embodiment of the present invention Section of
electronic parts in
Explanation of sign
[0058]
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Reference Signs List 1 spring terminal 1a bent portion 1b bent portion 1c stopper 1d bent
portion 1e bent portion 5 main portion 5a stopper 6 electronic component 10 spring terminal
10a bent portion 15 main portion 16 electronic component 21 magnet 22 upper plate 23 yoke
24 magnetic circuit 25 magnetic gap Reference Signs List 26 frame 27 diaphragm 28 voice coil
30 terminal 30a bending portion 30b bending portion 35 speaker 40 electronic circuit 41
terminal board 50 automobile 60 display module 70 exterior case 80 mobile phone
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