CN103188849A - Digital alternating current dimming control circuit - Google Patents
Digital alternating current dimming control circuit Download PDFInfo
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- CN103188849A CN103188849A CN2011104592194A CN201110459219A CN103188849A CN 103188849 A CN103188849 A CN 103188849A CN 2011104592194 A CN2011104592194 A CN 2011104592194A CN 201110459219 A CN201110459219 A CN 201110459219A CN 103188849 A CN103188849 A CN 103188849A
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Abstract
Disclosed is a digital alternating current dimming control circuit. The digital alternating current dimming control circuit comprises a dimming setting device, a dimming wave form control unit and a power supply circuit switch unit, wherein the dimming setting device is used for producing a break-over angle control parameter value, the dimming wave form control unit is provided with a control parameter value input end, a synchronizing signal input end and a dimming wave form signal output end, and according to a synchronizing signal input by the synchronizing signal input end and the break-over angle control parameter value, the dimming wave form control unit produces a dimming wave form signal in each period of a predetermined alternating current frequency, the power supply circuit switch unit is electrically connected between an alternating current power supply, a load device and the dimming wave form signal output end of the dimming wave form control unit, and is provided with a break-over position and an open-circuit position. A dimming wave form signal of a first level or a second level of the dimming wave shaped signal controls whether the power supply circuit switch unit is in the break-over position or the open-circuit position so as to achieve dimming control purpose, wherein the first level or the second level are output by the dimming wave form control unit.
Description
Technical field
The present invention is a kind of adjusting control circuit, refers in particular to a kind of digital AC adjusting control circuit.
Background technology
Light source technology now is just flourish, and illumination system layout has all faced the challenge of light regulating technology in each new light source science and technology.Ripe light regulating technology can allow brightness of illumination meet all-environment demand, and can effectively reach purpose of energy saving.General traditional adjusting control circuit is to utilize phase truncation light modulation principle, must comprise that wherein one exchanges silicon control thyristor (replacing not anti-high-power variable resistor), can realize the function of phase control, select the triggering phase place of alternating voltage, this is the phase place conducting partly, can fall power consumption.
So-called interchange silicon control thyristor (TRIAC), but be a kind of three-pole AC switch of two-way admittance, and so can directly apply in the middle of the alternating current circuit, its internal structure adds the all-wave controller that grid G is formed again by a PNP and another NPN semiconductor parallel connection.Exchanging silicon control thyristor as long as grid one triggers, no matter the polarity of pin exchanges silicon control thyristor and all can work normally, is zero just to quit work up to grid current, and the grid of interchange silicon control thyristor is to depend on electric current to trigger, almost with independent from voltage.
The main control element of tradition adjusting control circuit is one and exchanges silicon control thyristor, utilize the R-C circuit to produce a trigger voltage at the grid that exchanges silicon control thyristor and make the conducting of interchange silicon control thyristor, because the time delay that RC causes, when R is more big, the charging current of capacitor C is more little, make the current potential of C reach to be enough to trigger the time that exchanges silicon control thyristor more slow, therefore more big in the trigger angle that exchanges on the silicon control thyristor grid, the conducting angle of other two interpolars is more little.
See also Fig. 1, traditional adjusting control circuit comprises that an AC power 1, at least one variable resistor 11, at least one electric capacity 12 and one exchange silicon control thyristor 13; Wherein this variable resistor 11 is with after electric capacity 12 is connected, and is in parallel with this AC power 1 again; This interchange silicon control thyristor 13 comprises a gate terminal 131, one first link 132 and one second link 133 in addition, wherein this gate terminal 131 is electrically connected to the electric connecting terminal of electric capacity 12 and variable resistor 11, first link 132 is electrically connected with the other end of variable resistor 11,133 of second links are electrically connected to a lighting device 14, and this lighting device 14 also is electrically connected with the other end of electric capacity 12.
Via the phase control that exchanges silicon control thyristor 13, the AC signal that AC power 1 is exported can be controlled the conducting angle by adjusting variable resistor 11, and then adjusts the brightness of lighting device.
Exchange the light modulation that silicon control thyristor is widely used in the conventional incandescent bulb, yet the luminous efficiency of incandescent lamp bulb is poor, and waste energy, now replaced with Electricity-saving lamp bulb or LED bulb gradually, though Electricity-saving lamp bulb possesses the luminous efficiency height, but be difficult for light modulation, and the LED bulb not only luminous efficiency is the highest, more possess to use to exchange the advantage that silicon control thyristor comes light modulation.
Summary of the invention
In view of this, purpose of the present invention namely provides a kind of digital AC adjusting control circuit, Waveform Control by the light modulation waveform control circuit, the brightness adjustment control of exporting to realize analog AC silicon control thyristor through switching or the process amplifier of electric power loop switch is used for the test and validation bulb for the reaction that exchanges silicon control thyristor dimmer again.
Digital AC adjusting control circuit of the present invention is that the functional technological means that adopts of institute's research and development technology includes before the lifting: a light modulation setting device, this light modulation setting device produce conducting angle control parameter value under user's setting; One light modulation Waveform Control unit, has a control parameter value input, one synchronous signal input part and a light modulation waveform signal output, this control parameter value input of this light modulation Waveform Control unit is electrically connected on this light modulation setting device, this conducting angle control parameter value that reception produces from this light modulation setting device, a synchronous signal and this conducting angle control parameter value that this light modulation Waveform Control unit is imported according to this synchronous signal input end, in each cycle of a predetermined a-c cycle, produce one and have the light modulation waveform signal of the first accurate position and the second accurate position by this light modulation waveform signal output output; One electric power loop switch element, this electric power loop switch element is electrically connected on one and exchanges between supply power supply and the load device and the light modulation waveform signal output of this light modulation Waveform Control unit, and this electric power loop switch element has a conduction position and an open-circuit position.
Wherein the light modulation waveform signal output of this light modulation Waveform Control unit first accurate position of exporting or the light modulation waveform signal of the second accurate position, control this electric power loop switch element and be the position in this conduction position or this open-circuit position in each cycle of this predetermined a-c cycle, use this interchanges of control and supply the electric flux that power supply is supplied to this load device.
Control to realize the output of light modulation waveform signal by the conducting angle, and then reach the purpose of brightness adjustment control, output signal is identical with interchange silicon control thyristor dimmer, and light modulation is set at digital, but not rotate in the conventional AC silicon control thyristor light adjusting circuit and change variable-resistance mode, can reach the effect of automation during to the reaction of dimmer in test and validation, not only can save manpower, quicker saving time in comparison, reducing the cost of test and validation, is to have practical with progressive invention concurrently really.
Description of drawings
Fig. 1 is the schematic diagram that shows traditional adjusting control circuit embodiment;
Fig. 2 is the waveform schematic diagram that shows digital AC adjusting control circuit of the present invention;
Fig. 3 is the schematic diagram that shows digital AC adjusting control circuit first embodiment of the present invention;
Fig. 4 is the schematic diagram that shows digital AC adjusting control circuit second embodiment of the present invention;
Fig. 5 is the schematic diagram that shows digital AC adjusting control circuit the 3rd embodiment of the present invention.
Drawing reference numeral:
1 AC power
11 variable resistors
12 electric capacity
13 exchange silicon control thyristor
131 grids
132 first links
133 second links
14 lighting devices
2 exchange the supply power supply
200 light modulations exchange the supply power supply
3 synchronizing signal acquisition units
41 switch control units
42 light modulation Waveform Control unit
421 light modulation waveform signal outputs
422 synchronous signal input ends
423 control parameter value inputs
424 AC signal inputs
43 light modulation setting devices
5 electric power loop switch elements
51 open-circuit positions
52 conduction positions
6 load devices
7 waveform generators
8 amplifiers
First standard of D1
Second standard of D2
The S1 AC signal
The S2 synchronizing signal
S3 light modulation waveform signal
S4 light modulation waveform signal
The S5 output waveform signals
The S6 output waveform signals
S7 conducting angle control parameter value
The T cycle
Embodiment
See also Fig. 2, this is the main waveform signal principle of digital AC adjusting control circuit of the present invention, wherein AC signal S1 produces synchronizing signal S2 by synchronizing signal acquisition unit 3, the light modulation waveform signal S3 that has first an accurate D1 and second an accurate D2 again with the 42 control outputs one of light modulation Waveform Control unit, S4, export an output waveform signals S5 finally by crossing switch control unit 41, S6, the process that controls to selection thus reaches the purpose of adjusting lighting device brightness.
Please consult Fig. 2 to Fig. 4 simultaneously, digital AC adjusting control circuit of the present invention includes: a light modulation setting device 43, this light modulation setting device 43 produce conducting angle control parameter value S7 under user's setting; One light modulation Waveform Control unit 42, has a control parameter value input 423, one synchronous signal input part 422 and a light modulation waveform signal output 421, this control parameter value input 423 of this light modulation Waveform Control unit 42 is electrically connected on this light modulation setting device 43, this conducting angle control parameter value S7 that reception produces from this light modulation setting device 43, a synchronous signal S2 and this conducting angle control parameter value S7 that this light modulation Waveform Control unit 42 is imported according to this synchronous signal input end 422, in each period T of a predetermined a-c cycle, produce one and have the light modulation waveform signal of first an accurate D1 and second an accurate D2 by these light modulation waveform signal output 421 outputs; One electric power loop switch element 5, this electric power loop switch element 5 is electrically connected on one and exchanges between supply power supply 2 and the load device 6 and the light modulation waveform signal output 421 of this light modulation Waveform Control unit 42, and this electric power loop switch element 5 has a conduction position 52 and an open-circuit position 51.
Digital AC adjusting control circuit of the present invention, the wherein first accurate S3 that exports of the light modulation waveform signal output 421 of this light modulation Waveform Control unit 42 or the light modulation waveform signal of second an accurate S4, control this electric power loop switch element 5 and be the position in this conduction position 52 or this open-circuit position 51 in each period T of this predetermined a-c cycle, use this interchanges of control and supply the electric flux that power supply 2 is supplied to this load device 6.
Digital AC adjusting control circuit of the present invention, wherein this interchange supply power supply 2 is made up of a civil power, a transformer or a pressurizer, and this interchange supply power supply is exported an AC signal to output and is exported.
Digital AC adjusting control circuit of the present invention, wherein should exchange in supply power supply 2 and this light modulation Waveform Control unit 42 between this synchronous signal input end 422, be electrically connected with a synchronous signal acquisition unit 3, after this AC signal S1 of this interchange supply power supply 2 outputs done synchronous pick-up, import this synchronizing signal S4 to this synchronous signal input end 422, and wherein the action of Waveform Control is realized in this light modulation Waveform Control unit 42 by one of a counter or a timer.
Digital AC adjusting control circuit of the present invention, this light modulation waveform signal S3 wherein, S4 can do switching according to this conducting angle control parameter value S7 that this light modulation setting device is exported, and wherein be electrically connected a switch control unit 41 between this electric power loop switch element 5 and this light modulation Waveform Control unit 42, do the action of switching in order to drive this electric power loop switch element 5.
See also Fig. 5, this is the schematic diagram of digital AC adjusting control circuit the 3rd embodiment of the present invention, includes: a light modulation setting device 43, this light modulation setting device 43 produce conducting angle control parameter value S7 under user's setting; One light modulation Waveform Control unit 42, have a control parameter value input 423, an AC signal input 424 and a light modulation waveform signal output 421, this control parameter value input 423 of this light modulation Waveform Control unit 42 is electrically connected on this light modulation setting device 43, receives this conducting angle control parameter value S7 that produces from this light modulation setting device 43; One waveform generator 7, this waveform generator 7 is electrically connected on this AC signal input 424 of this light modulation Waveform Control unit 42, export an AC signal S1, this light modulation Waveform Control unit 42 is according to this AC signal S1 and this conducting angle control parameter value S7, in each cycle of a predetermined a-c cycle, produce one and have the light modulation waveform signal of first an accurate D1 and second an accurate D2 by these light modulation waveform signal output 421 outputs; One amplifier 8, this amplifier 8 is electrically connected on this light modulation waveform signal output 421, this light modulation waveform signal S3 that reception produces from this light modulation Waveform Control unit 42, signal after this light modulation waveform signal S3 regulated and control amplifies back output one output waveform signals S5 to a load device 6, forms a light modulation and exchanges supply power supply 200.
Digital AC adjusting control circuit of the present invention, the wherein first accurate D1 that exports of the light modulation waveform signal output 421 of this light modulation Waveform Control unit 42 or the light modulation waveform signal S3 of second an accurate D2, control this AC signal S1 that this waveform generator 7 produces, use control via the electric flux of this amplifier 8 to this load device 6.
By above embodiment as can be known, the industrial utilization that the true tool of the present invention is splendid was so the present invention had accorded with the important document of patent already.Above narration only is preferred embodiment explanation of the present invention, and all those skilled in the art are when doing other all improvement according to above-mentioned explanation, and these changes still belong in invention spirit of the present invention and the following claim that defines.
Claims (11)
1. a digital AC adjusting control circuit is characterized in that, described digital AC adjusting control circuit comprises:
One light modulation setting device, described light modulation setting device produce conducting angle control parameter value under user's setting;
One light modulation Waveform Control unit, has a control parameter value input, one synchronous signal input part and a light modulation waveform signal output, the control parameter value input of described light modulation Waveform Control unit is electrically connected on the light modulation setting device, the conducting angle control parameter value that reception produces from the light modulation setting device, a synchronous signal and conducting angle control parameter value that light modulation Waveform Control unit is imported according to synchronous signal input end, in each cycle of a predetermined a-c cycle, produce a light modulation waveform signal with the first accurate position and second accurate position and exported by light modulation waveform signal output;
One electric power loop switch element, described electric power loop switch element is electrically connected on one and exchanges between supply power supply and the load device and the light modulation waveform signal output of light modulation Waveform Control unit, and described electric power loop switch element has a conduction position and an open-circuit position;
The first accurate position that the light modulation waveform signal output of wherein light modulation Waveform Control unit is exported or the light modulation waveform signal of the second accurate position, control electric power loop switch element in each cycle of predetermined a-c cycle be the position in conduction position or open-circuit position, use control and exchange the electric flux that the supply power supply is supplied to load device.
2. digital AC adjusting control circuit as claimed in claim 1 is characterized in that, described interchange supply power supply is made up of a civil power, a transformer or a pressurizer, and described civil power is exported an AC signal to output and exported.
3. digital AC adjusting control circuit as claimed in claim 1, it is characterized in that, described in described interchange supply power supply and the described light modulation Waveform Control unit between the synchronous signal input end, be electrically connected with a synchronous signal acquisition unit, after the described AC signal of described interchange supply power supply output done synchronous pick-up, import described synchronizing signal to described synchronous signal input end.
4. digital AC adjusting control circuit as claimed in claim 1 is characterized in that, the action of Waveform Control is realized in described light modulation Waveform Control unit by the tally function of a counter.
5. digital AC adjusting control circuit as claimed in claim 1 is characterized in that, the action of Waveform Control is realized in described light modulation Waveform Control unit by the clocking capability of a timer.
6. digital AC adjusting control circuit as claimed in claim 1 is characterized in that, described first standard and described second will definitely do switching according to the described conducting angle control parameter value that described light modulation setting device is exported.
7. digital AC adjusting control circuit as claimed in claim 1, it is characterized in that, be electrically connected a switch control unit between described electric power loop switch element and the described light modulation Waveform Control unit, do the action of switching in order to drive described electric power loop switch element.
8. a digital AC adjusting control circuit is characterized in that, described digital AC adjusting control circuit comprises:
One light modulation setting device, described light modulation setting device produce conducting angle control parameter value under user's setting;
One light modulation Waveform Control unit, have a control parameter value input, an AC signal input and a light modulation waveform signal output, the control parameter value input of described light modulation Waveform Control unit is electrically connected on the light modulation setting device, receives the conducting angle control parameter value that produces from the light modulation setting device;
One waveform generator, described waveform generator is electrically connected on the AC signal input of light modulation Waveform Control unit, export an AC signal, light modulation Waveform Control unit is according to AC signal and conducting angle control parameter value, in each cycle of a predetermined a-c cycle, produce a light modulation waveform signal with the first accurate position and second accurate position and exported by light modulation waveform signal output;
One amplifier, described amplifier is electrically connected on light modulation waveform signal output, the light modulation waveform signal that reception produces from light modulation Waveform Control unit, the signal that the light modulation waveform signal is regulated and control is exported output waveform signals to a load device after amplifying immediately;
The first accurate position that the light modulation waveform signal output of wherein light modulation Waveform Control unit is exported or the light modulation waveform signal of the second accurate position are controlled the AC signal that described waveform generator produces, and use control via the electric flux of amplifier to load device.
9. digital AC adjusting control circuit as claimed in claim 8 is characterized in that, the action of Waveform Control is realized in described light modulation Waveform Control unit by the tally function of a counter.
10. digital AC adjusting control circuit as claimed in claim 8 is characterized in that, the action of Waveform Control is realized in described light modulation Waveform Control unit by the clocking capability of a timer.
11. digital AC adjusting control circuit as claimed in claim 8 is characterized in that, described first standard and described second will definitely do switching according to the described conducting angle control parameter value that described light modulation setting device is exported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110459219.4A CN103188849B (en) | 2011-12-31 | 2011-12-31 | Digital alternating current dimming control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110459219.4A CN103188849B (en) | 2011-12-31 | 2011-12-31 | Digital alternating current dimming control circuit |
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| Publication Number | Publication Date |
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| CN103188849A true CN103188849A (en) | 2013-07-03 |
| CN103188849B CN103188849B (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110459219.4A Active CN103188849B (en) | 2011-12-31 | 2011-12-31 | Digital alternating current dimming control circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015051592A1 (en) * | 2013-10-11 | 2015-04-16 | 东林科技股份有限公司 | Control method of multiple lamps |
| CN107009975A (en) * | 2015-11-18 | 2017-08-04 | 英飞凌科技股份有限公司 | System and method for sync driver circuit |
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| TW465899U (en) * | 2000-05-04 | 2001-11-21 | Prodigit Electronics Co Ltd | Digital photo-adjusting circuit |
| CN101646289A (en) * | 2009-06-29 | 2010-02-10 | 潘忠浩 | Light-adjusting and speed-adjusting control circuit and control method thereof |
| US20110001201A1 (en) * | 2009-07-02 | 2011-01-06 | Taiwan Semiconductor Manufacturing Company, Ltd. | Sacrifice layer structure and method for magnetic tunnel junction (mtj) etching process |
| CN101990331A (en) * | 2009-08-07 | 2011-03-23 | 巨尔(上海)光电照明有限公司 | LED-based TRIAC dimming method |
| CN102143638A (en) * | 2011-04-08 | 2011-08-03 | 杭州矽力杰半导体技术有限公司 | Silicon-controlled light-dimming circuit, light-dimming method and LED (light-emitting diode) driver applying the same |
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2011
- 2011-12-31 CN CN201110459219.4A patent/CN103188849B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW465899U (en) * | 2000-05-04 | 2001-11-21 | Prodigit Electronics Co Ltd | Digital photo-adjusting circuit |
| CN101646289A (en) * | 2009-06-29 | 2010-02-10 | 潘忠浩 | Light-adjusting and speed-adjusting control circuit and control method thereof |
| US20110001201A1 (en) * | 2009-07-02 | 2011-01-06 | Taiwan Semiconductor Manufacturing Company, Ltd. | Sacrifice layer structure and method for magnetic tunnel junction (mtj) etching process |
| CN101990331A (en) * | 2009-08-07 | 2011-03-23 | 巨尔(上海)光电照明有限公司 | LED-based TRIAC dimming method |
| CN102143638A (en) * | 2011-04-08 | 2011-08-03 | 杭州矽力杰半导体技术有限公司 | Silicon-controlled light-dimming circuit, light-dimming method and LED (light-emitting diode) driver applying the same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015051592A1 (en) * | 2013-10-11 | 2015-04-16 | 东林科技股份有限公司 | Control method of multiple lamps |
| CN104582057A (en) * | 2013-10-11 | 2015-04-29 | 东林科技股份有限公司 | Control method for multiple lamps |
| CN107009975A (en) * | 2015-11-18 | 2017-08-04 | 英飞凌科技股份有限公司 | System and method for sync driver circuit |
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| Publication number | Publication date |
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| CN103188849B (en) | 2015-05-13 |
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