CN103702475B - Reduce bridge-type phase shift-rectification circuit of stroboscopic - Google Patents
Reduce bridge-type phase shift-rectification circuit of stroboscopic Download PDFInfo
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- CN103702475B CN103702475B CN201310645858.9A CN201310645858A CN103702475B CN 103702475 B CN103702475 B CN 103702475B CN 201310645858 A CN201310645858 A CN 201310645858A CN 103702475 B CN103702475 B CN 103702475B
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Abstract
The bridge-type phase-shifting commutation circuit of the reduction stroboscopic of the present invention, including：DC current negative pole of output end and anode；A pair of of the alternating current input terminal being made of the first and second alternating current input terminals；First rectifier arm, including rectification unit；Second rectifier arm, including rectification unit；3rd rectifier arm includes the sub- rectifier arm of N number of parallel connection, and N is >=2 integer, and every sub- rectifier arm includes a rectification unit, and at least one sub- rectifier arm includes phase-shifting unit；4th rectifier arm, including N number of sub- corresponding N number of sub- rectifier arm in parallel of rectifier arm with the 3rd rectifier arm, every sub- rectifier arm includes a rectification unit, and at least one sub- rectifier arm includes phase-shifting unit；The input terminal of first rectifier arm is electrically connected with DC current negative pole of output end, and output terminal is electrically connected with the first alternating current input terminal；The input terminal of second rectifier arm is electrically connected with DC current negative pole of output end, and output terminal is electrically connected with the second alternating current input terminal；The output terminal of 3rd rectifier arm and the output terminal of the 4th rectifier arm are electrically connected respectively with DC current output head anode.
Description
Technical field
The present invention relates to bridge-type phase shift-rectification circuits applied to LED illumination and the reduction stroboscopic of OLED illuminations.
Background technology
One of quick method for reducing LED illumination lamp cost is driven using alternating current, still, can face stroboscopic
Problem, moreover, when driving voltage is less than critical voltage, luminescence unit does not shine, less efficient.In order to solve stroboscopic, very much
Scheme is suggested, including,
(1) phase shift scheme (Chinese Patent Application No.：200980129904.1 United States Patent (USP)：US8466627B2, PCT are special
Profit：WO2005/120134A1), the program uses at least two circuit of LED, passes through phase shift so that flow through wherein one
The phase of alternating current of the alternating current of a circuit of LED from flowing through another circuit of LED is different, each
Circuit of LED shines under the driving of out of phase alternating current, the light mixing of different brightness, therefore alleviates stroboscopic
Effect.It is disadvantageous in that (1) is less than the critical voltage of luminescence unit when the driving voltage of a circuit of LED
When, which does not shine, and still has brightness null moment, luminous efficiency is relatively low, and there are stroboscopics；(2) two shine
Diode circuit must be within close proximity；(3) two circuit of LED must have identical or almost identical colour temperature and bright
Degree, this causes the difficulty of production to increase；(4) the semiconductor light emitting unit efficiencies that alternating current directly drives are relatively low.
(2) phase shift-rectification scheme (Japanese patent application：P2010-287340A), the program is discrete using at least two
Driving circuit, pass through phase shift so that flow through one of driving circuit alternating current and flow through another driving circuit
The phase of alternating current is different.Then, using two traditional bridge rectifiers, the alternating current of out of phase is carried out whole
Stream, the pulsating direct current electric current of the out of phase of output, mutually it is superimposed after, drive same direct current LED light, alleviate stroboscopic effect
Should, improve efficiency.It is disadvantageous in that, it is necessary to which at least two traditional bridge rectifiers, volume is larger, and cost improves.
Need a kind of use alternating current can mitigating stroboscopic problem, lower-cost, small volume, efficiency is higher
The semiconductor light emitting system of driving.
The content of the invention
The object of the present invention is to provide it is a kind of can solve stroboscopic problem, lower cost, small volume, efficiency it is higher
Reduction stroboscopic bridge-type phase shift-rectification circuit and corresponding lamps and lanterns.
Mitigating the scheme of stroboscopic problem includes two aspects：On the one hand, the frequency of stroboscopic is increased；On the other hand, reduce bright
Spend the amplitude of vibration；The scheme of optimization is, without brightness null moment.
The scheme of lower cost includes：Bridge-type phase shift-rectification circuit of the reduction stroboscopic of the offer of the present invention replaces discrete
Phase-shift circuit and multiple traditional single pair input terminal bridge rectifiers, form the sub- pulsating direct current electric current of out of phase, mutually
After superimposed, same luminescence unit is driven so that the stroboscopic reductions of lamps and lanterns, lower cost, are equal to without brightness small volume
Zero moment, efficiency are higher.
One embodiment of bridge-type phase shift-rectification circuit of the reduction stroboscopic of the present invention, including：DC current output terminal
Cathode；
DC current output head anode；
First alternating current input terminal；
Second alternating current input terminal；
First rectifier arm, including rectification unit；
Second rectifier arm, including rectification unit；
3rd rectifier arm, including the N number of sub- rectifier arm being mutually in parallel, N is >=2 integer；It is each in 3rd rectifier arm
Sub- rectifier arm includes rectification unit, and one or more sub- rectifier arms include phase-shifting unit；Phase-shifting unit includes, to alternating current into
The phase-shifting unit of row phase shift or the phase-shifting unit that phase shift is carried out to Rectified alternating current stream；
4th rectifier arm, including with the corresponding N number of sub- rectification being mutually in parallel of N number of sub- rectifier arm of the 3rd rectifier arm
Arm；Every sub- rectifier arm in 4th rectifier arm includes rectification unit, and one or more sub- rectifier arms include phase-shifting unit；Phase shift
Unit includes, and the phase-shifting unit of phase shift is carried out to alternating current or the phase-shifting unit of phase shift is carried out to Rectified alternating current stream；
Wherein, the input terminal of the rectification unit of the first rectifier arm is electrically connected with DC current negative pole of output end, the first rectification
The output terminal of the rectification unit of arm is electrically connected with the first alternating current input terminal；
The input terminal of the rectification unit of second rectifier arm is electrically connected with DC current negative pole of output end, the second rectifier arm it is whole
The output terminal of stream unit is electrically connected with the second alternating current input terminal；
The input terminal of N number of sub- rectifier arm of 3rd rectifier arm is electrically connected with the first alternating current input terminal, the 3rd rectifier arm
The output terminal of N number of sub- rectifier arm be electrically connected with DC current output head anode；
The input terminal of N number of sub- rectifier arm of 4th rectifier arm is electrically connected with the second alternating current input terminal, the 4th rectifier arm
The output terminal of N number of sub- rectifier arm be electrically connected with DC current output head anode；
So that the alternating current of an input forms N number of sub- alternating current and flows separately through different sub- rectifier arms；N number of son
Alternating current respectively through over commutation or phase shift-rectification, formed N number of sub- pulsating direct current electric current, it is mutually superimposed after, export a pulsation
Direct current total current, the minimum voltage of pulsating direct current total current is more than the critical voltage of load, amplitude of variation reduces, frequency increases,
Stroboscopic reduces.
The rectification unit of first rectifier arm, the rectification unit of the second rectifier arm, the N number of sub- rectifier arm of the 3rd rectifier arm
The rectification unit of N number of sub- rectifier arm of rectification unit and the 4th rectifier arm is selected from one group of rectification unit respectively, this group of rectification
Unit includes, (1) semiconductor rectifier diode, (2) silicon controlled rectifier (SCR), (3) PWM rectifier, (4) DC driven LED chip,
(5) DC driven LED is encapsulated, (6) DC driven LED module, (7) DC driven OLED chips, (8) DC driven OLED envelopes
Dress, (9) DC driven OLED modules, the combination of (10) above-mentioned (1), (2), (3), (4), (5), (6), (7), (8), (9).
One embodiment：The phase-shifting unit that the sub- rectifier arm of one or more of 3rd rectifier arm includes is to alternating current
The phase-shifting unit of phase shift is carried out, the phase-shifting unit that phase shift is carried out to alternating current is connected on input terminal and the first friendship of rectification unit
Between stream current input terminal so that the phase for inputting the sub- alternating current of sub- rectifier arm generates the movement of a predetermined angular, moves
Sub- alternating current after phase flows through corresponding rectification unit.The phase shift that the sub- rectifier arm of one or more of 4th rectifier arm includes
Unit is the phase-shifting unit that phase shift is carried out to alternating current, and the phase-shifting unit that phase shift is carried out to alternating current is connected on rectification unit
Input terminal and the second alternating current input terminal between so that input the sub- alternating current of sub- rectifier arm phase generate one it is pre-
Determine the movement of angle, the sub- alternating current after phase shift flows through the sub- alternating current that corresponding rectification unit causes sub- rectifier arm input
The phase of stream generates the movement of a predetermined angular, and the sub- alternating current after phase shift flows through corresponding rectification unit.
One embodiment：What one or more phase-shifting units that phase shift is carried out to alternating current of the 3rd rectifier arm were formed
The movement value of the phase angle of sub- alternating current and the one or more of corresponding 4th rectifier arm move alternating current
The movement value of the phase angle for the sub- alternating current that the phase-shifting unit of phase is formed is identical.From the sub- rectifier arm of any two to exchange
The sub- alternating current that electric current carries out the phase-shifting unit output of phase shift has different phases；The sub- alternating current of any two output
Between the angle of phase difference be to be selected from one group of angle, including：± 90 °, ± 80 °, ± 72 °, ± 60 °, ± 48 °, ±
45 °, ± 40 °, ± 36 °, ± 30 °, ± 24 °, ± 22.5 °, ± 20 °, ± 18 °, ± 16 °, ± 15 °, ± 12 °, ± 10 °, ±
Between 9 °, ± 8 °, ± 6 °, ± 5 °, ± 4 °, ± 3 °, ± 2 ° and above-mentioned multiple angles and/or poor combination.Embodiment：
20 °+3 °=23 °, 45 °+30 °=75 °, -45 ° -40 °=- 85 °, 90 °+30 °+22.5 °=142.5 °, etc..
One embodiment：The phase-shifting unit that the sub- rectifier arm of one or more of 3rd rectifier arm includes is to pulsating direct current
Electric current carries out the phase-shifting unit of phase shift, and the phase-shifting unit that phase shift is carried out to Rectified alternating current stream is connected on the rectification list of sub- rectifier arm
Between the output terminal of member and DC current output head anode so that the phase of the sub- pulsating direct current electric current of sub- rectifier arm output generates
The movement of one predetermined angular.The phase-shifting unit that the sub- rectifier arm of one or more of 4th rectifier arm includes is to Rectified alternating current
Stream carries out the phase-shifting unit of phase shift, and the phase-shifting unit that phase shift is carried out to Rectified alternating current stream is connected on the rectification unit of sub- rectifier arm
Output terminal and DC current output head anode between so that the phase of the sub- pulsating direct current electric current of sub- rectifier arm output generates one
The movement of a predetermined angular.
One embodiment：One or more phase-shifting unit shapes that phase shift is carried out to Rectified alternating current stream of 3rd rectifier arm
Into sub- pulsating direct current electric current the movement value of phase angle and the one or more of corresponding 4th rectifier arm it is straight to pulsing
The movement value of the phase angle for the sub- pulsating direct current electric current that the phase-shifting unit that galvanic electricity stream carries out phase shift is formed is identical.
The son pulsation exported from the phase-shifting unit that phase shift is carried out to Rectified alternating current stream of one or more sub- rectifier arms is straight
Galvanic electricity stream has different phases；The angle of phase difference between the sub- pulsating direct current electric current of any two output is from one group of angle
It is selected in degree, including：± 90 °, ± 80 °, ± 72 °, ± 60 °, ± 48 °, ± 45 °, ± 40 °, ± 36 °, ± 30 °, ± 24 °, ±
22.5 °, ± 20 °, ± 18 °, ± 16 °, ± 15 °, ± 12 °, ± 10 °, ± 9 °, ± 8 °, ± 6 °, ± 5 °, ± 4 °, ± 3 °, ±
Between 2 ° and above-mentioned multiple angles and/or poor combination.Embodiment：20 °+3 °=23 °, 45 °+30 °=75 °, -45 ° -
40 °=- 85 °, 90 °+30 °+22.5 °=142.5 °, etc..
Bridge-type phase shift-rectification circuit of the reduction stroboscopic of the present invention, further comprises shining for direct current driven
Unit；Luminescence unit is electrically connected respectively with DC current output head anode and DC current negative pole of output end；Luminescence unit be from
It is selected in one group of luminescence unit, this group of luminescence unit includes：(1) the LED luminescence units of direct current driven, (2) DC current
The OLED light emitting unit of driving, the luminescence unit of LED luminescence units and the OLED light emitting unit mixing of (3) direct current driven.
Embodiment：Phase-shifting unit in bridge-type phase shift-rectification circuit of the reduction stroboscopic of the present invention is adjustable phase shift
Unit.
Description given below and definition are suitable for the invention all embodiments：
(1) draw to simplify, the specification using the symbolic indication present invention of traditional semiconductor rectifier diode is attached
Rectification unit in figure, in fact, the rectification unit of the present invention is selected from one group of rectification unit, this group of rectification unit bag
It includes：(1) semiconductor rectifier diode, (2) silicon controlled rectifier (SCR), (3) PWM rectifier, (4) DC driven LED chip, (5)
DC driven LED is encapsulated, (6) DC driven LED module, (7) DC driven OLED chips, (8) DC driven OLED encapsulation,
(9) DC driven OLED modules, the combination of (10) above-mentioned (1), (2), (3), (4), (5), (6), (7), (8), (9).
(2) assume：Influence of each rectification unit to phase is identical, therefore, ignores influence of the rectification unit to phase,
Only consider the influence of exchange phase-shifting unit or pulsating direct current phase-shifting unit to phase.
Description of the drawings
The schematic diagram of one embodiment of bridge-type phase shift-rectification circuit of the reduction stroboscopic of Fig. 1 a displaying present invention；
The schematic diagram of one embodiment of bridge-type phase shift-rectification circuit of the reduction stroboscopic of Fig. 1 b displaying present invention；
One embodiment of the lamps and lanterns of Fig. 1 c displayings bridge-type phase shift-rectification circuit using the present invention for reducing stroboscopic
Schematic diagram；
The schematic diagram of one embodiment of bridge-type phase shift-rectification circuit of the reduction stroboscopic of Fig. 2 a displaying present invention；
The schematic diagram of one embodiment of bridge-type phase shift-rectification circuit of the reduction stroboscopic of Fig. 2 b displaying present invention；
One embodiment of the lamps and lanterns of Fig. 2 c displayings bridge-type phase shift-rectification circuit using the present invention for reducing stroboscopic
Schematic diagram；
Fig. 3 a to Fig. 3 f show the schematic diagram of the embodiment of rectification unit respectively.
Label symbol in figure is described as follows：
11 represent the first alternating current input terminal,
12 represent the second alternating current input terminal, the second alternating current input terminal and the first common structure of alternating current input terminal
Alternating current input terminal in a pair,
13 represent DC current negative pole of output end,
14 represent DC current output head anode,
151 (dotted lines) represent the 3rd rectifier arm in first between the sub- rectifier arms of N there are one or multiple sub- rectifier arms
(when N is more than 2),
152 (dotted lines) represent the 4th rectifier arm in first between the sub- rectifier arms of N there are one or multiple sub- rectifier arms
(when N is more than 2),
21 represent the rectification unit in the first rectifier arm,
22 represent the rectification unit in the second rectifier arm,
231 represent the rectification unit of the first sub- rectifier arm in the 3rd rectifier arm,
23N represents the rectification unit of the sub- rectifier arms of N in the 3rd rectifier arm,
241 represent the rectification unit of the first sub- rectifier arm in the 4th rectifier arm,
24N represents the rectification unit of the sub- rectifier arms of N in the 4th rectifier arm,
300 represent the luminescence unit of a direct current driven as the negative of the bridge-type phase shift-rectification circuit for reducing stroboscopic
It carries,
Pair that 41N expressions are connected with the input terminal of the n-th rectification unit 23N of the sub- rectifier arms of N in the 3rd rectifier arm
Alternating current carries out the exchange phase-shifting unit of phase shift,
Pair that 42N expressions are connected with the input terminal of the n-th rectification unit 24N of the sub- rectifier arms of N in the 4th rectifier arm
Alternating current carries out the exchange phase-shifting unit of phase shift,
Pair that 51N expressions are connected with the output terminal of the n-th rectification unit 23N of the sub- rectifier arms of N in the 3rd rectifier arm
Rectified alternating current stream carries out the pulsating direct current phase-shifting unit of phase shift,
Pair that 52N expressions are connected with the output terminal of the n-th rectification unit 24N of the sub- rectifier arms of N in the 4th rectifier arm
Rectified alternating current stream carries out the pulsating direct current phase-shifting unit of phase shift,
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the present invention's
Attached drawing in embodiment is clearly and completely described the technical solution in the embodiment of the present invention, it is clear that retouched
The embodiment stated is a part of embodiment of the present invention rather than the embodiment of whole.Based on the implementation in the present invention
Example, the every other embodiment that those of ordinary skill in the art are obtained without making creative work, all
Belong to the scope of protection of the invention.
The schematic diagram of one embodiment of bridge-type phase shift-rectification circuit of the reduction stroboscopic of Fig. 1 a displaying present invention.Bridge
Formula phase shift-rectification circuit includes：First alternating current input terminal 11, the second alternating current input terminal 12, DC current output terminal
Cathode 13, DC current output head anode 14；First rectifier arm, including rectification unit 21；Second rectifier arm, including rectification list
Member 22；3rd rectifier arm, including N number of sub- rectifier arm being mutually in parallel, N is >=2 integer, the first son in the 3rd rectifier arm
Rectifier arm includes rectification unit 231, and the sub- rectifier arms of N include rectification unit 23N；4th rectifier arm, including with the 3rd rectifier arm
N number of sub- corresponding N number of rectifier arm being mutually in parallel of rectifier arm, the first sub- rectifier arm in the 4th rectifier arm includes rectification list
Member 241, the sub- rectifier arm of n-th include rectification unit 24N.
The input terminal of the input terminal of the rectification unit 21 of first rectifier arm and the rectification unit 22 of the second rectifier arm respectively with
DC current negative pole of output end 13 is electrically connected.
The output terminal of rectification unit 21 is electrically connected with the first alternating current input terminal 11.
The output terminal of rectification unit 22 is electrically connected with the second alternating current input terminal 12.
The rectification unit 231 of the first sub- rectifier arm in 3rd rectifier arm input terminal (while be also first sub- rectification
The input terminal of arm) it is electrically connected with the first alternating current input terminal 11.
The exchange phase-shifting unit 41N of the sub- rectifier arms of N in 3rd rectifier arm be connected on the input terminal of rectification unit 23N with
Between first alternating current input terminal 11；The input terminal for exchanging phase-shifting unit 41N is also the input of the sub- rectifier arm of n-th simultaneously
End.
The rectification unit 241 of the first sub- rectifier arm in 4th rectifier arm input terminal (while be also the first sub- rectifier arm
Input terminal) be electrically connected with the second alternating current input terminal 12.
The exchange phase-shifting unit 42N of the sub- rectifier arms of N in 4th rectifier arm be connected on the input terminal of rectification unit 24N with
Between second alternating current input terminal 12；The input terminal for exchanging phase-shifting unit 42N is also the input of the sub- rectifier arm of n-th simultaneously
End.
When N is more than 2, dotted line 151 is represented between the first sub- rectifier arm and the sub- rectifier arms of N in the 3rd rectifier arm,
Including other rectifier arms, other rectifier arms include rectification unit respectively.One embodiment：Other one or more rectifier arm bags
It includes and exchanges phase-shifting unit with what the input terminal of the rectification unit of the rectifier arm was connected.
When N is more than 2, dotted line 152 is represented between the first sub- rectifier arm and the sub- rectifier arms of N in the 4th rectifier arm,
Including other rectifier arms, other rectifier arms include rectification unit respectively.One embodiment：Other one or more rectifier arm bags
It includes and exchanges phase-shifting unit with what the input terminal of the rectification unit of the rectifier arm was connected.
When N is equal to 2, between the first sub- rectifier arm and the sub- rectifier arms of N in the 3rd rectifier arm, without other rectifications
Arm.
When N is equal to 2, between the first sub- rectifier arm and the sub- rectifier arms of N in the 4th rectifier arm, without other rectifications
Arm
The rectification unit 231 of 3rd rectifier arm and the output terminal of 23N are electrically connected respectively with DC current output head anode 14
It connects.
The rectification unit 241 of 4th rectifier arm and the output terminal of 24N are electrically connected respectively with DC current output head anode 14.
Positive half cycle：Alternating current is inputted from the first alternating current input terminal 11, is divided into N number of sub- alternating current, is flowed separately through
First, to the sub- rectifier arms of N, forms first to N pulsating direct current electric currents.Since the sub- rectifier arms of N include exchange phase-shifting unit
41N, N pulsating direct currents electric current is different from the phase of the first pulsating direct current electric current, and after superposition, it is always electric to form a pulsating direct current
Stream, the amplitude of variation reduction of pulsating direct current total current, frequency increase, critical voltage of the total voltage higher than luminescence unit, reduction frequency
It dodges.Pulsating direct current total current is exported from DC current output head anode 14, through overload, DC current negative pole of output end 13,
The rectification unit 22 of two rectifier arms returns to the second alternating current input terminal 12.
Negative half period：Alternating current is inputted from the second alternating current input terminal 12, is divided into N number of sub- alternating current, is flowed separately through
First, to the sub- rectifier arms of N, forms first to N pulsating direct current electric currents.Since the sub- rectifier arms of N include exchange phase-shifting unit
42N, N pulsating direct currents electric current is different from the phase of the first pulsating direct current electric current, and after superposition, it is always electric to form a pulsating direct current
Stream, the amplitude of variation reduction of pulsating direct current total current, frequency increase, critical voltage of the total voltage higher than luminescence unit, reduction frequency
It dodges.Pulsating direct current total current is exported from DC current output head anode 14, through overload, DC current negative pole of output end 13,
The rectification unit 21 of one rectifier arm returns to the first alternating current input terminal 11.
Pay attention to：Only consider change of the exchange phase-shifting unit to sub- alternating current.
One embodiment：3rd rectifier arm and the 4th rectifier arm are respectively provided with 2 sub- rectifier arms (N=2), the 3rd rectification
2 output terminals of 2 rectification units of 2 sub- rectifier arms of arm are electrically connected respectively with DC current output head anode, and the 4th is whole
2 output terminals for flowing 2 rectification units of 2 sub- rectifier arms of arm are electrically connected respectively with DC current output head anode.
The first alternating current input terminal 11 input alternating current positive half cycle, the first sub- rectifier arm of the 3rd rectifier arm it is whole
It flows unit 231 and inputs the first sub- alternating current, the phase of the first sub- alternating current and the alternating current from the input of input terminal 11
Phase is identical, and output terminal exports the first sub- pulsating direct current electric current.The exchange phase-shifting unit of the sub- rectifier arms of N of 3rd rectifier arm
41N inputs the sub- alternating currents of N, after phase shift, 90 ° of the phase shift of the sub- alternating current of output, by rectification unit
23N rectifications export the sub- pulsating direct current electric currents of N.First sub- pulsating direct current electric current is differed with the phase of the sub- pulsating direct current electric currents of N
90°.First sub- pulsating direct current electric current forms pulsating direct current total current after being superimposed with the sub- pulsating direct current electric currents of N, from DC current
Output head anode 14 exports, and flows through a load (embodiment：Luminescence unit 300 in Fig. 2 c), DC current output terminal bears
Pole 13, the rectification unit 22 of the second rectifier arm, return to the second alternating current input terminal 12.
The second alternating current input terminal 12 input alternating current positive half cycle, the first sub- rectifier arm of the 4th rectifier arm it is whole
It flows unit 241 and inputs the first sub- alternating current, the phase of the first sub- alternating current and the alternating current from the input of input terminal 12
Phase is identical, and output terminal exports the first sub- pulsating direct current electric current.The exchange phase-shifting unit of the sub- rectifier arms of N of 4th rectifier arm
42N inputs the sub- alternating currents of N, after phase shift, 90 ° of the phase shift of the sub- alternating current of output, by rectification unit
24N rectifications export the sub- pulsating direct current electric currents of N.First sub- pulsating direct current electric current is differed with the phase of the sub- pulsating direct current electric currents of N
90°.First sub- pulsating direct current electric current forms pulsating direct current total current after being superimposed with the sub- pulsating direct current electric currents of N, from DC current
Output head anode 14 exports, and flows through a load (embodiment：Luminescence unit 300 in Fig. 2 c), DC current output terminal bears
Pole 13, the rectification unit 21 of the first rectifier arm, return to the first alternating current input terminal 11.
Therefore, input alternating current positive half cycle, the sub- rectifier arm of the 3rd rectifier arm exports first and second respectively
Pulsating direct current electric current is respectively formed pulsating direct current total current, input direct-current electric current output head anode 14 after superposition.In the friendship of input
The negative half period of galvanic electricity stream, the sub- rectifier arm of the 4th rectifier arm export the first and second pulsating direct current electric currents respectively, after superposition respectively
Form pulsating direct current total current, input direct-current electric current output head anode 14.So that the frequency of oscillation of pulsating direct current total current increases,
Amplitude reduces, and reduces stroboscopic, and voltage is always above the critical voltage of load, improves efficiency.
Fig. 1 b displayings reduce the schematic diagram of an embodiment of bridge-type phase shift-rectification circuit of stroboscopic.Fig. 1 b displayings
Bridge-type phase shift-rectification circuit and bridge-type phase shift-rectification circuit that Fig. 1 a are shown are essentially identical, difference lies in：The reality of Fig. 1 b displayings
Every sub- rectifier arm that example is the 3rd rectifier arm and the 4th rectifier arm is applied to be electrically connected with DC current output head anode 14 respectively.
Pay attention to：
It (1) can be in the input terminal and the first alternating current input terminal of the rectification unit of other rectifier arms of the 3rd rectifier arm
Between 11, difference series AC phase-shifting unit (not shown in figure).
It (2) can be in the input terminal and the second alternating current input terminal of the rectification unit of other rectifier arms of the 4th rectifier arm
Between 12, difference series AC phase-shifting unit (not shown in figure).
(3) change of the exchange phase-shifting unit to sub- AC current phase is only considered.
(3) exchange phase-shifting unit can be adjustable phase-shifting unit.
Fig. 1 c displayings use an embodiment of the lamps and lanterns of bridge-type phase shift-rectification circuit of the reduction stroboscopic of Fig. 1 a displayings
Schematic diagram.Between DC current output head anode 14 and DC current negative pole of output end 13, luminescence unit 300 is connected.It shines
Unit is selected from one group of luminescence unit, this group of luminescence unit includes：(1) the LED luminescence units of direct current driven, (2)
The OLED light emitting unit of direct current driven, the hair of LED luminescence units and the OLED light emitting unit mixing of (3) direct current driven
Light unit.
3rd rectifier arm or two or more sub- pulsating direct current electric current superpositions of the 4th rectifier arm output, form pulsating direct current
Total current, input direct-current electric current output head anode 14 so that the voltage of pulsating direct current total current is always above the critical electricity of load
Pressure.
The schematic diagram of one embodiment of bridge-type phase shift-rectification circuit of the reduction stroboscopic of Fig. 2 a displaying present invention.
Bridge-type phase shift-rectification circuit of Fig. 2 a displayings and bridge-type phase shift-rectification circuit that Fig. 1 a are shown are essentially identical, difference
It is：Pulsation in the sub- rectifier arm including phase-shifting unit of 3rd rectifier arm of bridge-type phase shift-rectification circuit of Fig. 1 a displayings
Direct current phase-shifting unit is the between the input terminal for the rectification unit for being connected on the sub- rectifier arm and the first alternating current input terminal the 4th
Pulsating direct current phase-shifting unit in the sub- rectifier arm including phase-shifting unit of rectifier arm is the rectification list for being connected on the sub- rectifier arm
Between the input terminal and the second alternating current input terminal of member.And the 3rd rectifier arm of bridge-type phase shift-rectification circuit of Fig. 2 a displayings
The sub- rectifier arm including phase-shifting unit in pulsating direct current phase-shifting unit be connected on the sub- rectifier arm rectification unit it is defeated
Between outlet and DC current output head anode 14, the pulsating direct current in the sub- rectifier arm including phase-shifting unit of the 4th rectifier arm
Phase-shifting unit is between the output terminal for the rectification unit for being connected on the sub- rectifier arm and DC current output head anode 14.
Pulsating direct current phase-shifting unit in the sub- rectifier arm of bridge-type phase shift-rectification circuit in Fig. 2 a and Fig. 2 b is to rectification
Rectified alternating current stream afterwards carries out rectification rather than as Fig. 1 a exchange phase shift in bridge-type phase shift-rectification circuit in Fig. 1 b
Unit carries out rectification to alternating current like that.
Pay attention to：
(1) pulsating direct current phase-shifting unit can be adjustable phase-shifting unit.
(2) change of the pulsating direct current phase-shifting unit to sub- pulsating direct current electric current phase is only considered.
Fig. 2 b displayings reduce the schematic diagram of an embodiment of bridge-type phase shift-rectification circuit of stroboscopic.Fig. 2 b displayings
Bridge-type phase shift-rectification circuit and bridge-type phase shift-rectification circuit that Fig. 2 a are shown are essentially identical, difference lies in：The reality of Fig. 2 b displayings
Every sub- rectifier arm that example is the 3rd rectifier arm and the 4th rectifier arm is applied to be electrically connected with DC current output head anode 14 respectively.
Fig. 2 c displayings use an embodiment of the lamps and lanterns of bridge-type phase shift-rectification circuit of the reduction stroboscopic of Fig. 2 b displayings
Schematic diagram.Between DC current output head anode 14 and DC current negative pole of output end 13, luminescence unit 300 is connected.It shines
Unit is selected from one group of luminescence unit, this group of luminescence unit includes：(1) the LED luminescence units of direct current driven, (2)
The OLED light emitting unit of direct current driven, the hair of LED luminescence units and the OLED light emitting unit mixing of (3) direct current driven
Light unit.
Two or more sub- pulsating direct current electric current superpositions that 3rd rectifier arm or the 4th rectifier arm export respectively, form pulsation
Direct current total current, input direct-current electric current output head anode 14 so that the voltage of pulsating direct current total current is always above facing for load
Boundary's voltage.
Fig. 3 a to Fig. 3 f show respectively Fig. 1 a, Fig. 1 b, rectification unit in Fig. 2 a and Fig. 2 b embodiment schematic diagram.
Fig. 3 a show traditional rectifier diode.Traditional rectifier diode can be used as Fig. 1 a, Fig. 1 b, Fig. 2 a and Fig. 2 b
In rectification unit.
Pay attention to：It draws to simplify, rectification unit 21,22,231,23N, 241 and 24N employ traditional two pole of rectification
The mark of pipe, still, this is not offered as Fig. 1 a, Fig. 1 b, the rectification unit 21 of Fig. 2 a and Fig. 2 b, 22,231,23N, 241 and 24N
Can only use traditional rectifier diode, in fact, Fig. 1 a, Fig. 1 b, the rectification unit 21 in Fig. 2 a and Fig. 2 b, 22,231,
23N, 241 and 24N can also be using in rectification unit shown in Fig. 3 b, 3c, 3d, 3e and 3f and Fig. 3 a, 3b, 3c and 3d
The combination of the rectification unit of displaying.
Fig. 3 b show light emitting diode.Light emitting diode can be as the rectification list in Fig. 1 a, Fig. 1 b, Fig. 2 a and Fig. 2 b
Member, including：(1) DC driven LED chip, (2) DC driven LED encapsulation, (3) DC driven LED module, (4) DC driven
OLED chips, (5) DC driven OLED encapsulation, (6) DC driven OLED modules, (7) above-mentioned (1), (2), (3), (4), (5)
(6) combination.
Fig. 3 c show silicon controlled rectifier (SCR).Silicon controlled rectifier (SCR) can be as the rectification in Fig. 1 a, Fig. 1 b, Fig. 2 a and Fig. 2 b
Unit.
Fig. 3 d show PWM rectifier.PWM rectifier can be as the rectification unit in Fig. 1 a, Fig. 1 b, Fig. 2 a and Fig. 2 b.
Fig. 3 e show the combination of PWM rectifier and rectifier diode.The combination of PWM rectifier and rectifier diode can be made
For the rectification unit in Fig. 1 a, Fig. 1 b, Fig. 2 a and Fig. 2 b.
Fig. 3 f show the combination of PWM rectifier and rectifier diode.The combination of PWM rectifier and rectifier diode can be with
As the rectification unit in Fig. 1 a, Fig. 1 b, Fig. 2 a and Fig. 2 b.
Pay attention to：The combinations different from Fig. 3 e and Fig. 3 f of the rectification unit of Fig. 3 a to Fig. 3 d displayings can be used as Fig. 1 a, figure
Rectification unit in 1b, Fig. 2 a and Fig. 2 b.
Finally it should be noted that：More than embodiment is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiment, it will be understood by those of ordinary skill in the art that：Its according to
So it can modify to the technical solution recorded in foregoing embodiment or which part technical characteristic is equally replaced
It changes；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from each embodiment technical solution of the present invention
Spirit and scope.
Claims (10)
1. a kind of bridge-type phase shift-rectification circuit, including
DC current negative pole of output end；
DC current output head anode；
First alternating current input terminal；
Second alternating current input terminal；First alternating current input terminal and the second alternating current input terminal form a pair of of alternating current
Input terminal；
First rectifier arm, including rectification unit；
Second rectifier arm, including rectification unit；
3rd rectifier arm, including N sub- rectifier arms being mutually in parallel, N is >=2 integer；In 3rd rectifier arm
Each sub- rectifier arm includes rectification unit, and one or more sub- rectifier arms include phase-shifting unit；
4th rectifier arm, including with the corresponding N being mutually the in parallel sub- rectifications of the N of the 3rd rectifier arm sub- rectifier arms
Arm；Each sub- rectifier arm in 4th rectifier arm includes rectification unit, and one or more sub- rectifier arms include
Phase-shifting unit；
Wherein, the input terminal of the rectification unit of first rectifier arm is electrically connected with the DC current negative pole of output end,
The output terminal of the rectification unit of first rectifier arm is electrically connected with the first alternating current input terminal；Second rectifier arm
The input terminal of the rectification unit be electrically connected with the DC current negative pole of output end, the rectification of second rectifier arm
The output terminal of unit is electrically connected with the second alternating current input terminal；The input of N sub- rectifier arms of the 3rd rectifier arm
End be electrically connected with the first alternating current input terminal, the output terminal of the N of the 3rd rectifier arm sub- rectifier arms and it is described directly
Galvanic electricity stream output head anode is electrically connected；The input terminal and second alternating current of N sub- rectifier arms of the 4th rectifier arm
Input terminal is electrically connected, and the output terminal of N sub- rectifier arms of the 4th rectifier arm is electrically connected with the DC current output head anode
It connects；So that the alternating current of an input forms N sub- alternating currents, the N sub- alternating currents flow separately through different
Sub- rectifier arm；The N sub- alternating currents respectively through over commutation or phase shift-rectification, form N sub- pulsating direct current electric currents, mutually
After superimposed, a pulsating direct current total current is exported, the minimum voltage of the pulsating direct current total current is more than the critical electricity of load
Pressure, amplitude of variation reduce, frequency increases, stroboscopic reduces.
2. according to the bridge-type of claim 1 phase shift-rectification circuit, which is characterized in that the rectification unit of first rectifier arm,
The rectification unit of second rectifier arm, the rectification unit of a sub- rectifier arms of the N of the 3rd rectifier arm and the 4th rectification
The rectification unit of N sub- rectifier arms of arm is selected from one group of rectification unit respectively, this group of rectification unit includes, and (1) is partly led
Body
Rectifier diode, (2) silicon controlled rectifier (SCR), (3) PWM rectifiers, (4) DC driven LED chips, (5) direct current drive
Dynamic LED encapsulation, (6) DC driven LED modules, (7) DC driven OLED chips, (8) DC driven OLED encapsulation,
(9) DC driven OLED modules, the combination of (10) above-mentioned (1), (2), (3), (4), (5), (6), (7), (8), (9).
3. according to the bridge-type of claim 1 phase shift-rectification circuit, which is characterized in that one or more of the 3rd rectifier arm
The phase-shifting unit that a sub- rectifier arm includes is the phase-shifting unit that phase shift is carried out to alternating current, described that alternating current is carried out
The phase-shifting unit of phase shift is connected between the input terminal of the rectification unit and the first alternating current input terminal so that input
The phase of the sub- alternating current of the sub- rectifier arm generates the movement of a predetermined angular, and the sub- alternating current after phase shift flows through phase
Corresponding rectification unit；The phase-shifting unit that the sub- rectifier arm of one or more of 4th rectifier arm includes is to alternating current
Stream carries out the phase-shifting unit of phase shift, and the phase-shifting unit that phase shift is carried out to alternating current is connected on the input of the rectification unit
Between end and the second alternating current input terminal so that the phase of the sub- alternating current of the input sub- rectifier arm generates one
The movement of predetermined angular, the sub- alternating current after phase shift flow through corresponding rectification unit.
4. according to the bridge-type of claim 3 phase shift-rectification circuit, which is characterized in that one or more of the 3rd rectifier arm
It is a it is described to alternating current carry out phase shift phase-shifting unit formed sub- alternating current phase angle movement value with it is corresponding
The 4th rectifier arm one or more it is described to alternating current carry out phase shift phase-shifting units formed sub- alternating current
Phase angle movement value it is identical.
5. according to the bridge-type of claim 3 phase shift-rectification circuit, which is characterized in that from sub- rectifier arm described in any two
The sub- alternating current that the phase-shifting unit output of phase shift is carried out to alternating current has different phases；Any two exports described
The angle of phase difference between sub- alternating current is selected from one group of angle, including：± 90 °, ± 80 °, ± 72 °, ± 60 °,
± 48 °, ± 45 °, ± 40 °, ± 36 °, ± 30 °, ± 24 °, ± 22.5 °, ± 20 °, ± 18 °, ± 16 °, ± 15 °, ± 12 °, ±
Between 10 °, ± 9 °, ± 8 °, ± 6 °, ± 5 °, ± 4 °, ± 3 °, ± 2 ° and above-mentioned multiple angles and/or poor combination.
6. according to the bridge-type of claim 1 phase shift-rectification circuit, which is characterized in that one or more of the 3rd rectifier arm
The phase-shifting unit that a sub- rectifier arm includes is the phase-shifting unit that phase shift is carried out to Rectified alternating current stream, described to pulsating direct current
The phase-shifting unit that electric current carries out phase shift is connected on the output terminal of rectification unit of the sub- rectifier arm and DC current output
Between proper pole so that the phase of the sub- pulsating direct current electric current of the rectification unit output generates the movement of a predetermined angular；
The phase-shifting unit that the sub- rectifier arm of one or more of 4th rectifier arm includes is to carry out phase shift to Rectified alternating current stream
Phase-shifting unit, the phase-shifting unit that phase shift is carried out to Rectified alternating current stream is connected on the rectification unit of the sub- rectifier arm
Between output terminal and the DC current output head anode so that the phase of the sub- pulsating direct current electric current of the rectification unit output
Generate the movement of a predetermined angular.
7. according to the bridge-type of claim 6 phase shift-rectification circuit, which is characterized in that flow through one of the 3rd rectifier arm
Or the movement value of the phase angle of the sub- pulsating direct current electric current of multiple phase-shifting units that phase shift is carried out to Rectified alternating current stream
With
The corresponding one or more phase shift list that phase shift is carried out to Rectified alternating current stream for flowing through the 4th rectifier arm
The movement value of the phase angle of the sub- pulsating direct current electric current of member is identical.
8. according to the bridge-type of claim 6 phase shift-rectification circuit, which is characterized in that from any two of same rectifier arm
The sub- pulsating direct current electric current that the phase-shifting unit that phase shift is carried out to Rectified alternating current stream of the sub- rectifier arm exports has different
Phase；The angle of phase difference between the sub- pulsating direct current electric current of any two output is selected from one group of angle, bag
It includes：± 90 °, ± 80 °, ± 72 °, ± 60 °, ± 48 °, ± 45 °, ± 40 °, ± 36 °, ± 30 °, ± 24 °, ± 22.5 °, ± 20 °,
± 18 °, ± 16 °, ± 15 °, ± 12 °, ± 10 °, ± 9 °, ± 8 °, ± 6 °, ± 5 °, ± 4 °, ± 3 °, ± 2 ° and above-mentioned multiple
Between angle and/or poor combination.
9. according to the bridge-type of claim 1 phase shift-rectification circuit, which is characterized in that include the hair of a direct current driven
Light unit；The luminescence unit is electrically connected respectively with the DC current output head anode and the DC current negative pole of output end
It connects；The luminescence unit is selected from one group of luminescence unit, this group of luminescence unit includes：(1) LED of direct current driven
Luminescence unit, the OLED luminescence units of (2) direct current driven, the LED luminescence units and OLED of (3) direct current driven
The luminescence unit of luminescence unit mixing.
10. according to the bridge-type of claim 1 phase shift-rectification circuit, which is characterized in that the phase-shifting unit is adjustable phase shift
Unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310645858.9A CN103702475B (en) | 2013-12-03 | 2013-12-03 | Reduce bridge-type phase shift-rectification circuit of stroboscopic |
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| CN201310645858.9A CN103702475B (en) | 2013-12-03 | 2013-12-03 | Reduce bridge-type phase shift-rectification circuit of stroboscopic |
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| US5202819A (en) * | 1991-06-13 | 1993-04-13 | Samsung Electronics Co., Ltd. | Capacitor input type rectifier having a circuit for preventing inrush current |
| WO2005120134A1 (en) * | 2004-06-03 | 2005-12-15 | Philips Intellectual Property & Standards Gmbh | Ac driven light-emitting diodes |
| CN102113411A (en) * | 2008-07-30 | 2011-06-29 | 皇家飞利浦电子股份有限公司 | Device with light-emitting diode circuits |
| CN103152914A (en) * | 2012-05-29 | 2013-06-12 | 四川新力光源股份有限公司 | Alternating current rectifying circuit and alternating current rectifying method for driving light-emitting diode (LED) module |
| CN203176775U (en) * | 2012-12-29 | 2013-09-04 | 四川新力光源股份有限公司 | Alternating current led bulb |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130063043A1 (en) * | 2011-09-09 | 2013-03-14 | Futur-Tec (Hong Kong) Limited | Voltage rectifier |
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2013
- 2013-12-03 CN CN201310645858.9A patent/CN103702475B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5202819A (en) * | 1991-06-13 | 1993-04-13 | Samsung Electronics Co., Ltd. | Capacitor input type rectifier having a circuit for preventing inrush current |
| WO2005120134A1 (en) * | 2004-06-03 | 2005-12-15 | Philips Intellectual Property & Standards Gmbh | Ac driven light-emitting diodes |
| CN102113411A (en) * | 2008-07-30 | 2011-06-29 | 皇家飞利浦电子股份有限公司 | Device with light-emitting diode circuits |
| CN103152914A (en) * | 2012-05-29 | 2013-06-12 | 四川新力光源股份有限公司 | Alternating current rectifying circuit and alternating current rectifying method for driving light-emitting diode (LED) module |
| CN203176775U (en) * | 2012-12-29 | 2013-09-04 | 四川新力光源股份有限公司 | Alternating current led bulb |
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