Note : Les descriptions sont présentées dans la langue officielle dans laquelle elles ont été soumises.
TITLE: LIGHTING DEVICE WITH OPTICAL PULSATION
SUPPRESSION BY POLYPHASE-DRIVEN ELECTRIC
ENERGY
BACKGROUND OF THE INVENTION
(a) Field of the invention
The present invention relates to a method of reducing the pulsation
rate of the luminous brightness following the alternating current power
voltage of an electric-driven luminous body which directly uses
alternating current power by means of polyphase-driven electric energy.
(b) Description of the Prior Art
The deficiency of traditional alternating current lamps lies in their
discontinuous light optical pulsation caused by alternating current power
pulsation
SUMMARY OF THE INVENTION
The present invention relies on polyphase alternating current power
with phase difference or direct current power rectified from polyphase
alternating current power to drive a common -electric-driven luminous
body, or to separately drive adjacently installed individual electric-driven
luminous bodies so that the pulsation of the outwardly projected light is
reduced.
In accordance with an aspect of the present invention, there is
provided a lighting device with optical pulsation suppression by
polyphase-driven electric energy, the lighting device being supplied with
electric power from a three-phase alternating current power line including
a first wire (R), a second wire (S), a third wire (T), comprising: a first
full-wave bridge rectifier (802), wherein a first alternating current input
end of the first full-wave bridge rectifier (802) is connected to the first
wire (R), and a second alternating current input end of the full-wave
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bridge rectifier (802) is connected to the second wire (S) through a first
series-connected current limiting component (Z10); a second full-wave
bridge rectifier (803), wherein a first alternating current input end of the
second full-wave bridge rectifier (803) is connected to the second wire (S),
and a second alternating current input end of the second full-wave bridge
rectifier (803) is connected to the third wire (T) through a second
series-connected current limiting component (Z10); a third full-wave
bridge rectifier (804), wherein a first alternating current input end of the
third full-wave bridge rectifier (804) is connected to the third wire (T),
and a second alternating current input end of the full-wave bridge rectifier
(804) is connected to the first wire (R) through a third series-connected
current limiting component (Z10), wherein the first, second, and third
full-wave bridge rectifiers (802, 803, 804) have direct current positive
output ends connected in parallel and direct current negative output ends
connected in parallel to drive a direct current driven luminous body
(2000).
In accordance with another aspect of the present invention, there is
provided a lighting device with optical pulsation suppression by
polyphase-driven electric energy, the lighting device being supplied with
electric power from a three-phase four-wire alternating current power line
including a first wire (R), a second wire (S), a third wire (T), and a neutral
wire (N), comprising: a first full-wave bridge rectifier (802) and a first
current limiting component (Z10) having one end connected with the first
alternating current input end of the first full-wave bridge rectifier (802), a
second end of the first current limiting component (Z10) being connected
to the first wire (R), and a second alternating current end of the first
full-wave bridge rectifier (802) being connected to the neutral wire (N); a
second full-wave bridge rectifier (803) and a second current limiting
component (Z10) having one end connected with the first alternating
current input end of the second full-wave bridge rectifier (803), a second
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end of the second current limiting component (Z10) being connected to
the second wire (S), and a second alternating current end of the second
full-wave bridge rectifier (803) being connected to the neutral wire (N); a
third full-wave bridge rectifier (804) and a third current limiting
component (Z10) having one end connected with the first alternating
current input end of the third full-wave bridge rectifier (804), a second
end of the third current limiting component (Z10) being connected to the
third wire (T), and a second alternating current end of the third full-wave
bridge rectifier (804) being connected to the neutral wire (N), wherein the
first, second, and third full-wave bridge rectifiers (802, 803, 804) have
direct current positive output ends connected in parallel and direct current
negative output ends connected in parallel to drive a direct current driven
luminous body (2000).
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is the optical pulsation oscillogram of the traditional single
phase alternating current power or alternating current full wave-rectified
direct current directly driving the electric-driven luminous body.
FIG 2 is the circuit diagram in which each phase of the three-phase
alternating current power being individually connected in parallel with a
circuit device in series connected by the current limit component (Z10)
and the alternative current terminal of single-phase bridge rectifier, then
the direct current output terminal of the single-phase bridge rectifier of
each phase being homo-polar connected in parallel for jointly driving the
direct current electric-driven luminous body (2000).
FIG 3 is the circuit diagram in which a circuit device in series
connected to the current limit component (Z10) and the alternative current
terminal of single-phase bridge rectifier being individually installed
between the R, S. and T lines of the three phase four wire alternating
current power and the neutral line (N) of the three phase four wire
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alternating current power, then the direct current output terminal of the
single-phase bridge rectifier of each phase being homo-polar connected in
parallel for jointly driving the direct current electric-driven luminous body
(2000).
DESCRIPTION OF MAIN COMPONENT SYMBOLS
2000: Direct current electric-driven luminous body
802, 803, 804: Single phase bridge rectifiers
a: Alternating Current power wave form
b: Wave form of direct current rectified from alternating current
c: Optical pulsation wave form of electric-driven luminous body
N: Neutral line
R, S, T: Three-phase alternating current power lines
Z10: Current limit component
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
The deficiency of traditional alternating current lamps lies in their
discontinuous light optical pulsation caused by alternating current power
pulsation.
The present invention relies on polyphase alternating current power
with phase difference or direct current power rectified from polyphase
alternating current power to drive a common -electric-driven luminous
body, or to separately drive adjacently installed individual electric-driven
luminous bodies so that the pulsation of the outwardly projected light is
reduced.
FIG 1 is the optical pulsation oscillogram of the traditional single
phase alternating current power or alternating current full wave-rectified
direct current directly driving the electric-driven luminous body.
As shown in FIG 1, a is alternating current power wave form, b is
wave form of direct current rectified from alternating current, and c is
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optical pulsation wave form of electric-driven luminous body; if the
electric energy input is a bidirectional pulsating electric energy with a
bidirectional non-sinusoidal wave, the improvement function is also the
same.
FIG 2 is the circuit diagram in which each phase of the three-phase
alternating current power being individually connected in parallel with a
circuit device in series connected by the current limit component (Z10)
and the alternative current terminal of single-phase bridge rectifier, then
the direct current output terminal of the single-phase bridge rectifier of
each phase being homo-polar connected in parallel for jointly driving the
direct current electric-driven luminous body (2000); as shown in FIG. 2, it
mainly consists of:
-- Direct current electric-driven luminous body (2000): constituted
by a solid state luminous body driven by two or more than two alternative
current powers, including foundational light emitting units configured by
light emitting diodes or organic light emitting diodes and driven by the
direct current power, or other solid state luminous bodies capable of being
driven by the direct current power;
The current limit component (Z10) is connected in series with the
alternative current terminal of the single phase bridge rectifier (804), then
connected in parallel between the three-phase alternating current power
line R and the three-phase alternating current power line T;
The current limit component (Z10) is connected in series with the
alternative current terminal of the single phase bridge rectifier (802), then
connected in parallel between the three-phase alternating current power
line S and the three-phase alternating current power line R;
The current limit component (Z10) is connected in series with the
alternative terminal of the single phase bridge rectifier (803), then
connected in parallel between the three-phase alternating current power
line T and the three-phase alternating current power line S,
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--Current limit component (Z10): constituted by one or more than
one of the following circuit structures, including:
1) At least one or more than one of the resistant impedance
component, inductive impedance component and capacitor impedance
component being connected in series, in parallel, or in series and parallel;
2) a fixed-current or limited-current control circuit configured by a
solid state semi-conductive circuit for controlling the light emitting unit in
an analog or chopping manner.
FIG 3 is the circuit diagram in which a circuit device in series
connected to the current limit component (Z10) and the alternative current
terminal of single-phase bridge rectifier being individually installed
between the R, S, and T lines of the three phase four wire alternating
current power and the neutral line (N) of the three phase four wire
alternating current power, then the direct current output terminal of the
single-phase bridge rectifier of each phase being homo-polar connected in
parallel for jointly driving the direct current electric-driven luminous body
(2000); as shown in FIG. 3, it mainly consists of:
-- Direct current electric driven luminous body (2000): constituted by
a solid state luminous body driven by two or more than two alternative
current powers, including foundational light emitting units configured by
light emitting diodes or organic light emitting diodes and driven by the
direct current power, or other solid state luminous bodies capable of being
driven by the direct current power;
The current limit component (Z10) is connected in series with the
alternative current terminal of the single phase bridge rectifier (802), then
connected in parallel between the three-phase four-wire alternating current
power line R and the neutral line N of the three-phase four-wire
alternating current power;
The current limit component (Z10) is connected in series with the
alternative current terminal of the single phase bridge rectifier (803), then
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connected in parallel between the three-phase four-wire alternating current
power line S and the neutral line N of the three-phase four-wire
alternating current power;
The current limit component (Z10) is connected in series with the
alternative current terminal of the single phase bridge rectifier (804), then
connected in parallel between the three-phase four-wire alternating current
power line T and the neutral line N of the three-phase four-wire
alternating current power;
--Current limit component (Z10): constituted by one or more than
one of the following circuit structures, including:
1) at least one or more than one of the resistant impedance
component, inductive impedance component and capacitor impedance
component being connected in series, in parallel, or in series and parallel;
2) a fixed-current or limited-current control circuit configured by a
solid state semi-conductive circuit for controlling the light emitting unit in
an analog or chopping manner.
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