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DESCRIPTION JP2011041112

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DESCRIPTION JP2011041112
[Problem] When installing a broadcast speaker in a large factory or school site, the power switch
is operated at a distance as far as possible without attaching to a wall, a pillar, etc. of a building
close to a broadcast facility. Implement broadcast facilities that allow signals to reach. A solution
is achieved by increasing the gain of the antenna as much as possible, and by installing the
antenna on the frame of the photovoltaic panel 6 attached to the tip of the pole, it can be
installed at a high position with good visibility. [Selected figure] Figure 1
Wireless loudspeaker system using solar power
[0001]
The present invention relates to a loudspeaker system using solar power generation, and relates
to a system that uses a remote control of a power switch of a specified low-power radio when
needed from a distance, thereby amplifying a voice from a speaker.
[0002]
When installing an outdoor speaker at a remote place in a schoolyard or factory yard, it was
necessary to wire an audio line.
For example, when installing a control panel or console of a broadcast facility indoors and
installing a speaker at a remote place outside, some wiring such as embedding / exposure is
required from the control panel or console to the speaker The In addition, in the case of call
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broadcasting and the like which requires an emergency in the conventional broadcasting
equipment, there is an inconvenience that the broadcasting can not be performed unless the
microphone is installed.
[0003]
Furthermore, although there is a wireless microphone to broadcast while moving, there is a
restriction in behavior because radio waves can only reach within a narrow range. Also, if you
want to keep it ready to broadcast at any time, you must always turn on the power of the
broadcasting equipment, which may cause hum and noise from the speakers, and the
consumption of extra standby power. There was a problem of
[0004]
Patent Publication No. 11-49481 Patent Publication No. 2001-298376
[0005]
When installing a broadcast speaker in a large factory or school site, install it at the corner away
from the school building or factory building, and the direction of the speaker is in the direction of
the building, ie from the site, considering the direction of the sound. It is common to look at the
speaker inward.
However, in such an arrangement, the distance from the broadcast facility to the speaker is long,
and wiring work is expensive, so it is often found that the speaker is attached to a wall, a wall or
a pillar of a building close to the broadcast facility.
[0006]
Therefore, in such a case, there is a problem that noises flow in the outward direction of the site
and noise is caused to the nearby residents because the speakers are attached in the outdoor
direction in the schoolyard or factory.
[0007]
Also, in the case of broadcasting, it was impossible to go to the broadcasting room or the place
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where the microphone was installed each time.
[0008]
In the present invention, in order to solve those problems, the pole equipped with the
photovoltaic panel is equipped with a speaker and an antenna, a low power radio receiver and an
output amplifier, etc. in the panel and equipped with one pole The broadcasting station is an
independent broadcasting facility.
[0009]
The microphone for transmitting voice uses a portable low power wireless transmitter, ie,
transceiver (3), and fixed low power voice reception via a voice receiving antenna (4) attached to
pole (8) The voice converted by the voice receiver (13) is amplified by the output amplifier (14)
with the speaker (5).
[0010]
Also, the present invention prevents the hum and noise from the speakers by stopping the power
when the broadcast is stopped, and also prevents deterioration of the equipment due to battery
consumption and energization and lightning strikes. It shall cut off the photovoltaic power source
leaving a part from the broadcasting equipment.
[0011]
Therefore, as a method of turning the power on and off, a portable button switch type low power
wireless transmitter, ie, an antenna for switch reception by pressing the push button on switch
(17) using the switch transmitter (1) Operate the fixed small power switch receiver, ie, the push
button switch receiver (11) via (2) and activate the power switch (12) from its output contact to
turn on or off the broadcasting facility power It is to
[0012]
Therefore, carry the transceiver (3) and the switch transmitter (1) as one set, operate the push
button ON switch (17) of the switch transmitter just before broadcasting, and then emit voice
toward the transceiver If it does, broadcast is possible.
In addition, after the end of the broadcast, the power is turned off by operating the push button
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OFF switch (18) of the switch transmitter.
[0013]
In addition, if the power of the broadcasting facility remains in the ON state by, for example,
forgetting the operation of the push button OFF switch of the switch transmitter, if the silence
state continues for a certain period of time, the push button is The power supply circuit shall be
shut off automatically as well as when pressed.
[0014]
As described above, the present invention is a combination of an existing wireless device, a
broadcast device, and solar power, but is not a mere combination but is a broadcast system in
which the different functions possessed by each are combined in an organic manner. Because
there is no need for speaker wiring or power supply wiring, the installation position is not
restricted except for sunshine, and the effect of being able to be installed with the direction of the
speaker facing inwards so that sound does not affect as noise to the outside is there.
[0015]
Furthermore, according to the present invention, the power can be turned on only when
necessary and can be turned off when unnecessary. Therefore, if there is a sign of lightning
strike, it is possible to avoid a failure due to lightning strike.
In addition, there is an effect of reducing the deterioration of the device due to the long-term
power supply.
[0016]
Furthermore, by carrying the switch transmitter (1) and the transceiver (3), it is possible to
broadcast from almost any location within the reach of the school yard and campus radio waves,
and if there are multiple transceivers, multiple transceivers can be used simultaneously. It is also
possible for people to broadcast.
[0017]
Therefore, in the case of the conventional type, it is necessary to rush to the place where the
power supply switch of the broadcasting facility is located and switch on in the case of an
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emergency before broadcasting, but in the present invention, there are the switch transmitter (1)
and the transceiver Broadcasting can be performed from anywhere within the reach of radio
waves, and it is possible to broadcast immediately in the event of an emergency.
[0018]
If there are a plurality of switch transmitters (1) and transceivers (3), it is still more effective.
[0019]
System diagram of broadcasting equipment Schematic diagram of switch transmitter outline
diagram Switch from ON / OFF to loud flow
[0020]
Hereinafter, embodiments of the present invention will be described based on FIG. 1, FIG. 2, FIG.
3, and FIG.
[0021]
According to the present invention, as shown in FIG. 1, the portable button switch type specified
low power radio transmitter, ie, the portable low power radio transmitter, ie, the transceiver (3),
is carried simultaneously with the switch transmitter (1). A radio wave is transmitted to each
receiving antenna attached to a pole (8) equipped with a photovoltaic panel installed at a place.
[0022]
FIG. 2 is an external view of the switch transmitter (1), which has a push button ON switch (17)
and a push button OFF switch (18).
[0023]
The radio wave of the switch transmitter (1) activates the wireless switch receiver (11) via the
switch receiving antenna (2) of FIG.
The wireless switch receiver is provided with an external output contact, and the power switch
(12) is further operated from the contact to turn on the power of the audio receiver (13) and the
output amplifier (14).
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[0024]
When the power of the voice receiver (13) is turned on, the voice radio wave of the transceiver
(3) passes through the voice receiving antenna (4) and enters the voice receiver, and the voice is
amplified by the speaker (5) from the output amplifier (14). Emits
[0025]
In the wireless loudspeaker system of the present invention, since the power is turned on / off by
the remote switch, the lighting state of the power indicator can not be confirmed.
Therefore, as a measure in case of forgetting to turn off the power as shown in the flow chart of
FIG. 4, the audio output from the speaker detects the output by the output level switch (15) if the
silence state continues for a fixed time, and the low output is timer (16) Automatically shut off
the power.
[0026]
The structure is that the photovoltaic panel (6) and the speaker (5), the switch receiving antenna
(2) and the voice receiving antenna (4) are firmly attached to the top of the pole (8), and the
controller (9) is on the bottom Fix the panel (7) containing the battery (10), wireless switch
receiver (11), power switch (12), audio receiver (13) and output amplifier (14).
[0027]
In the function, first, the power generated by the photovoltaic panel is charged to the battery
(10) by the controller (9), and the battery is energized from the battery.
[0028]
However, normally, only the wireless switch receiver (11) is energized, and the other devices are
in the power-off state.
[0029]
Therefore, push the push button ON switch (17) of the switch transmitter (1) to emit radio waves,
and pass through the switch receiving antenna (2) to output the contact point output of the
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wireless switch receiver (11) with the output amplifier (5) and voice By turning on the power of
the receiver (13), the voice radio wave of the transceiver (3) enters the voice receiver through the
voice receiving antenna (4), and the sound is amplified by the speaker (5) from the output
amplifier (14). Emits
[0030]
After the end of broadcasting, push the push button OFF switch (18) of the switch transmitter (1)
to emit radio waves, pass through the switch receiving antenna (2) and output the contact point
output of the wireless switch receiver (11). And the audio receiver (13) are turned off to prevent
the generation of noise and, at the same time, to prevent deterioration of the equipment due to
energization and damage due to lightning strikes.
[0031]
The switch transmitter (1) and the transceiver (3) can be connected together and carried by
using a strap (19) or the like so that there is a more effective use.
[0032]
The present invention can be used not only during broadcasting from a microphone installed at a
specific place in a conventional school or factory, but also during an emergency or disaster
because broadcasting can be performed while moving.
[0033]
1 switch transmitter 2 antenna for switch reception 3 transceiver 4 antenna for audio reception
5 speaker 6 photovoltaic panel 7 board 8 pole 9 controller 10 battery 11 wireless switch
receiver 12 power switch 13 audio receiver 14 output amplifier 15 output level switch 16 timer
17 push button ON switch 18 push button OFF switch 19 strap
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