CN103068094B - Chopping dimmer, chopping dimming system and driver of chopping dimming system - Google Patents
Chopping dimmer, chopping dimming system and driver of chopping dimming system Download PDFInfo
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- CN103068094B CN103068094B CN201110321234.2A CN201110321234A CN103068094B CN 103068094 B CN103068094 B CN 103068094B CN 201110321234 A CN201110321234 A CN 201110321234A CN 103068094 B CN103068094 B CN 103068094B
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Abstract
The invention discloses a chopping dimmer, a chopping dimming system and a driver of the chopping dimming system. The chopping dimmer at least comprises a chopping switch connected between an input end of the chopping dimmer and an output end of the chopping dimmer in a series mode and a signal sending controller, wherein the signal sending controller is used for receiving a regulatory signal and acquiring a corresponding coded signal of the regulatory signal according to a switching rule and a driving signal of the coded signal corresponding to the chopping switch to obtain a set of target dimming voltage sequences including the regulatory signal. According to the chopping dimmer, the chopping dimming system and the driver of the chopping dimming system, different regulatory signals sending without the need for changing the size of a chopping phase angle can be achieved, the influence of voltage leap to a power factor is reduced, and electromagnetic interference caused by the voltage leap is lowered.
Description
Technical field
The present invention relates to a kind of copped wave dimmer, copped wave light adjusting system and driver thereof, particularly relate to and a kind ofly reduce input side power factor and little copped wave dimmer, copped wave light adjusting system and the driver thereof of electromagnetic interference.
Background technology
At lighting field, a lot of occasion needs the brightness or the color that regulate light source, and this just requires that illuminator has light source regulatory function.
The technology of adjustment light source comparatively conventional is at present copped wave light regulating technology, and be illustrated in figure 1 the circuit realiration structure of a kind of light source adjuster in prior art, this light source adjuster comprises: by-pass cock, i.e. bidirectional thyristor S; And the circuits for triggering to be made up of bidirectional trigger diode D1, adjustable resistance R1 and the first electric capacity C1, this light source adjuster input is communication power supply, output voltage V1 to driver to rear class light source.
In FIG, the change in the charging interval of the first electric capacity C1 is caused by the change of adjustable resistance R1 resistance, and then the change in this charging interval causes the change of the bidirectional thyristor S angle of flow, be embodied on the output voltage V1 of light source adjuster, then form the chopping voltages such as the forward position formula chopping voltage such as shown in Fig. 2.In half ac cycle of chopping voltage, the phase angle corresponding to the zero current duration is copped wave phase angle.This chopping voltage exports to the driver of rear class, driver is by the detection to copped wave phase angle size in this chopping voltage, control its output current, change brightness or the color of driver rear class light source, like this, outside adjustment interface regulates the resistance of adjustable resistance R1 by knob, thus regulates chopping switch conducting or turn off the moment, and then the copped wave phase angle of the chopping voltage signal regulating light source adjuster to transmit, by driver, light source is carried out to the adjustment of brightness.
But the above-mentioned chopping way to alternating current, chopping switch long-term work is under chopping mode, the change of input voltage can affect the size of copped wave angle, thus impact is to the accuracy of rear class driver transmission signal, the conditioning signal that driver receives directly has influence on output current, the i.e. brightness of light source, and, the long-term copped wave of chopping switch in dimmer, the power factor of dimmer input side can be caused lower, reduce the service efficiency of electric energy, and the sudden change of chopping voltage can cause larger electromagnetic interference.
Summary of the invention
For overcoming the various shortcoming that above-mentioned prior art exists, main purpose of the present invention is to provide a kind of copped wave dimmer, copped wave light adjusting system and driver thereof, it can reach the object not needing the size changing copped wave phase angle just can realize dim signal transmission, simultaneously can reduce the impact of voltage jump on power factor, and greatly reduce the electromagnetic interference that voltage jump causes.
For reaching above-mentioned and other object, the invention provides a kind of copped wave dimmer, be applied in a copped wave light adjusting system, this copped wave dimmer at least comprises:
Chopping switch, between the input being connected on this copped wave dimmer and output; And
One transmitting signal controller, this transmitting signal controller is for receiving a conditioning signal, code signal corresponding to this conditioning signal is obtained according to a transformation rule, and according to a coding rule, obtain this code signal to should the drive singal of chopping switch, thus obtain the one group of target dim contact potential series including this conditioning signal, this transmitting signal controller is according to this coding rule, exchange in positive and negative half period at one, export the operating state that this drive singal controls this chopping switch, make the dimmer voltage of this copped wave dimmer correspondence output as a coded sub-units, copped wave phase angle fix and be not the first operating state as chopping switch of copped wave state of 0 time, the dimmer voltage that this copped wave dimmer correspondence exports is as the first coded sub-units, when copped wave phase angle is the second operating state of conducting state as chopping switch of 0, the dimmer voltage that this copped wave dimmer correspondence exports is as the second coded sub-units.
Further, this code signal comprises data bit 0 and data bit 1, wherein, this data bit 0 is arranged in order by n1 the first coded sub-units and/or the second coded sub-units the first group of dimmer voltage formed according to this coding rule is corresponding, this data bit 1 according to this coding rule corresponding by n2 the first coded sub-units and or the second coded sub-units be arranged in order the second group of dimmer voltage formed, wherein n1 and n2 is all more than or equal to 1.
Further, this first group of dimmer voltage and this second group of dimmer voltage form this target dim contact potential series according to data bit 0 and data bit 1 putting in order of this code signal.
Further, this coding rule adds start bit and stop bit before and after this code signal, and correspondence obtains before and after target dim contact potential series, with the addition of start bit dimmer voltage and stop bit dimmer voltage.
Further, this stop bit dimmer voltage, according to this coding rule, is arranged in order by n3 coded sub-units and forms, wherein, and n1+n2 >=3, n1+n2+n3 >=5.
Further, this start bit dimmer voltage is according to this coding rule, and be arranged in order by n4 coded sub-units and form, it at least includes the first coded sub-units.
Further, in this first coded sub-units, fixing copped wave phase angle is less than or equal to 30 degree.
Further, the data bit 0 of this code signal is according to this coding rule, the corresponding first group of dimmer voltage be made up of this first coded sub-units, data bit 1 is according to this coding rule, corresponding is second group of dimmer voltage that this second coded sub-units and this first coded sub-units form by two coded sub-units successively, this stop bit foundation coding rule, corresponding this stop bit dimmer voltage be at least made up of this second coded sub-units of two continuous print.
Further, this transmitting signal controller also receives an ac voltage signal to detect cycle of ac voltage signal, zero-acrross ing moment or peak value moment, and it is for the duration of the initial time and low and high level that calculate the drive singal of this chopping switch.
Further, between two groups, the front and back target dim contact potential series that former and later two conditioning signals are corresponding, this transmitting signal controller controls this chopping switch and is operated in conducting state.
For reaching above-mentioned and other object, the present invention also provides a kind of driver, be applied in a copped wave light adjusting system, its input receiving target dimmer voltage sequence, this driver at least comprises a Received signal strength controller, and this Received signal strength controller, for detecting this target dim contact potential series, searches code signal corresponding to this target dim contact potential series according to this coding rule, and according to this transformation rule, the main circuit controlling this driver exports the electric current of corresponding code signal.
Further, this Received signal strength controller differentiates controlled plant to this target dim contact potential series received.
Further, this Received signal strength controller differentiates that the mode of controlled plant comprises: according to code signal corresponding to this target dim contact potential series difference or length differentiates, differentiate according to the difference of start bit dimmer voltage or stop bit dimmer voltage, differentiate according to the fixing copped wave phase angle difference in the first coded sub-units and differentiate according to the chopping way difference in the first coded sub-units.
Further, after this Received signal strength controller determination controlled plant, by the code signal that this target dim contact potential series correspondence obtains, the transformation rule inquiry corresponding according to controlled plant draws the size of current of the total current size of light source or the light source of various different colours.
For reaching above-mentioned and other object, the invention provides a kind of copped wave light adjusting system, at least comprising:
Copped wave dimmer, input connects alternating voltage, it comprises one and is connected on chopping switch between the input of this copped wave dimmer and output and a transmitting signal controller, this transmitting signal controller receives a conditioning signal, code signal corresponding to this conditioning signal is obtained according to a transformation rule, and according to a coding rule, obtain this code signal to should the drive singal of chopping switch, thus the one group of target dim contact potential series obtaining including this conditioning signal exports, this transmitting signal controller is according to this coding rule, exchange in positive and negative half period at one, export the operating state that this drive singal controls this chopping switch, make the dimmer voltage of this copped wave dimmer correspondence output as a coded sub-units, copped wave phase angle fix and be not the first operating state as chopping switch of copped wave state of 0 time, the dimmer voltage that this copped wave dimmer correspondence exports is as the first coded sub-units, when copped wave phase angle is the second operating state of conducting state as chopping switch of 0, the dimmer voltage that this copped wave dimmer correspondence exports is as the second coded sub-units, and
Driver, be connected to the output of this copped wave dimmer, it at least comprises a Received signal strength controller, this Received signal strength controller is for detecting this target dim contact potential series, code signal corresponding to this target dim contact potential series is searched according to this coding rule, and according to this transformation rule, the main circuit controlling this driver exports should the electric current of code signal.
Compared with prior art, the adjustment information that the two states that a kind of copped wave dimmer of the present invention, copped wave light adjusting system and driver thereof utilize chopping switch may occur in half ac cycle comprises to represent dimmer output voltage, and receive the output voltage of dimmer by rear class driver and decode the adjustment information wherein comprised, the size of its output current is regulated according to this adjustment information, on the one hand the impact of the dimmer of the present invention on AC side Power Factor is reduced greatly, the electromagnetic interference that chopping voltage causes simultaneously also reduces greatly; On the other hand, coding rule in the light regulating technology that the present invention relates to easily is standardized as the light modulation agreement transmitting adjustment information between dimmer and driver, and the content of this light modulation agreement is simple, comprising setting dimmer voltage in any state exchanged in the half period is copped wave state or conducting state.
Accompanying drawing explanation
Fig. 1 is the circuit realiration structure of a kind of light source adjuster in prior art;
Fig. 2 is the output voltage sequential chart of Fig. 1;
Fig. 3 is the electrical block diagram of the copped wave dimmer of the present invention;
Fig. 4 is the electrical block diagram of the copped wave light adjusting system of the present invention;
Fig. 5 is the corresponding relation schematic diagram of the conditioning signal of the present invention, code signal and dimmer voltage sequence;
Fig. 6 is one of copped wave light adjusting system of the present invention dimmer voltage sequence diagram.
Embodiment
Below by way of specific instantiation and accompanying drawings embodiments of the present invention, those skilled in the art can understand other advantage of the present invention and effect easily by content disclosed in the present specification.The present invention is also implemented by other different instantiation or is applied, and the every details in this specification also can based on different viewpoints and application, carries out various modification and change not deviating under spirit of the present invention.
Define in the present invention: chopping voltage, in half ac cycle, have the voltage of lasting zero level; Dimmer voltage, in half ac cycle, the voltage of alternating voltage after dimmer; Copped wave phase angle, in dimmer voltage, the phase angle that the zero level duration is corresponding in AC mains cycle.
Fig. 3 is the electrical block diagram of the copped wave dimmer of the present invention.As shown in Figure 3, the copped wave dimmer 301 of the present invention is applied in copped wave light adjusting system, and copped wave dimmer 301 at least comprises: be connected on the chopping switch S between copped wave dimmer 301 input and output; And for controlling the transmitting signal controller 302 of chopping switch S break-make.This dimmer input connects alternating voltage Vin, output exports dimmer voltage V1 to driver, transmitting signal controller 302 input receives conditioning signal, this conditioning signal is the signal that external control device sends, as knob, button, button, the signal that remote control or other man-machine interfaces etc. send, the external control device producing conditioning signal regulates light source for user, in this transmitting signal controller 302 according to the transformation rule preset, inquiry obtains code signal corresponding to this conditioning signal, and according to the coding rule preset, inquiry obtains the drive singal of chopping switch S corresponding to this code signal, this drive singal controls the on off operating mode of chopping switch S in alternating current positive and negative half period, thus obtain the one group of target dim contact potential series including conditioning signal, meanwhile, this transmitting signal controller 302 also receives ac voltage signal, to detect cycle of ac voltage signal, zero-acrross ing moment or peak value moment, for the duration of the initial time and low and high level that calculate the drive singal of chopping switch S.
It should be noted that, transmit light source conditioning signal in the present invention and refer to the signal transmitting and regulate light-source brightness and/or the signal transmitting adjustment light source colour, when transmitting the signal regulating light-source brightness, different conditioning signals represents different light-source brightness grades, when transmitting the signal regulating light source colour, different conditioning signals represents different light source colour classifications.
Described default transformation rule is the corresponding relation between this conditioning signal and code signal.
More particularly, according to described default coding rule, one exchanges in positive and negative half period, transmitting signal controller 302 obtains according to code signal the operating state that drive singal controls chopping switch S, make the dimmer voltage of copped wave dimmer 301 correspondence output as a coded sub-units, wherein, copped wave phase angle fix and be not the first operating state as chopping switch S of copped wave state of 0 time, the dimmer voltage V1 that copped wave dimmer 301 correspondence of the present invention exports is as the first coded sub-units b1; When copped wave phase angle is the second operating state of conducting state as chopping switch S of 0, the dimmer voltage that copped wave dimmer 301 correspondence of the present invention exports is as the second coded sub-units b2.Described target dim contact potential series comprises the first coded sub-units and/or the second coded sub-units.
The code signal of the present invention comprises data bit 0 and data bit 1, wherein data bit 0 is arranged in order by n1 (n1 >=1) individual coded sub-units the first group of dimmer voltage formed according to the coding rule correspondence preset, data bit 1 according to preset coding rule correspondence be arranged in order by n2 (n2 >=1) individual coded sub-units the second group of dimmer voltage formed, first group of dimmer voltage and second group of dimmer voltage different.First group of dimmer voltage and second group of dimmer voltage are according to data bit 0 and data bit 1 composition one group of target dim contact potential series that puts in order at code signal, and visible, coding rule essence is the corresponding relation between code signal and target dim contact potential series.
For between two groups, the front and back target dim contact potential series that former and later two conditioning signals are corresponding, transmitting signal controller 302 controls chopping switch S and is operated in conducting state.
At this, it should be noted that, the kind forming n1 coded sub-units of first group of dimmer voltage is unrestricted, namely first group of dimmer voltage can be only be made up of n1 the first coded sub-units, also can be only be made up of n1 the second coded sub-units, can also be made up of first, second kind of coded sub-units, and the number sum of first, second kind of coded sub-units is n1 simultaneously; Same, the kind forming n2 coded sub-units of second group of dimmer voltage is also unrestricted.
Such as, data bit 0 in code signal can according to coding rule, the corresponding first group of dimmer voltage be made up of (n1=1) the first coded sub-units b1, data bit 1 in code signal according to coding rule, the corresponding second group of dimmer voltage be made up of (n2=1) the second coded sub-units b2; Or, data bit 0 in code signal is according to coding rule, the corresponding first group of dimmer voltage be made up of (n1=1) the second coded sub-units b2, data bit 1 in code signal according to described coding rule, the corresponding second group of dimmer voltage be made up of (n2=1) the first coded sub-units b1.
At this, preferably n1+n2 >=3, namely the coded sub-units number of data bit 0 correspondence and the coded sub-units number of data bit 1 correspondence are more than or equal to 3.
It should be noted that, the order in tandem forming each coded sub-units of first group of dimmer voltage is different, and first group of dimmer voltage will be different; Same, the order in tandem forming each coded sub-units of second group of dimmer voltage is different, and second group of dimmer voltage will be different.
The length of target dim contact potential series (is designated as c) relevant with n1, n2 to the number of data bit in code signal 0 (its number is designated as a1), data bit 1 (its number is designated as a2), c=a1*n1+a2*n2, namely target dim contact potential series comprises c dimmer voltage.
The state of dimmer voltage is by the Determines of current chopping switch S, and as current chopping switch is operated in copped wave state, then the state of dimmer voltage is just copped wave state, and dimmer voltage is chopping voltage; As current chopping switch is operated in conducting state, then the state of dimmer voltage is just conducting state, and now dimmer voltage is the alternating voltage that exchanges positive and negative half period.
Preferably, for distinguishing the two groups of target dim contact potential seriess in front and back, coding rule is also defined in before and after code signal that preset length described in any one is a and adds start bit and stop bit, and correspondence obtains before and after target dim contact potential series, with the addition of start bit dimmer voltage and stop bit dimmer voltage.The copped wave phase angle size of start bit dimmer voltage and the copped wave phase angle size of stop bit dimmer voltage are preset by coding rule.It should be noted that, the copped wave phase angle of start bit dimmer voltage and stop bit dimmer voltage, does not change with the change of conditioning signal, is fixing phase angle signal.
In a preferred embodiment of the present invention, the copped wave phase angle size of start bit dimmer voltage is different from the copped wave phase angle size in the first coded sub-units; The copped wave phase angle size of stop bit dimmer voltage is different from the copped wave phase angle size in the first coded sub-units.Such as, the copped wave phase angle of start bit dimmer voltage and stop bit dimmer voltage is all 60 °, copped wave phase angle in the first coded sub-units is 20 °, when the copped wave dimmer output copped wave phase angle of the present invention is the dimmer voltage of 60 °, what show next transmission is one group of target dim contact potential series, when again to export copped wave phase angle be the dimmer voltage of 60 ° for the dimmer of the present invention, show this group target dim contact potential series end of transmission.
In another preferred embodiment of the present invention, stop bit dimmer voltage, according to coding rule, is arranged in order by n3 (n3 >=1) individual coded sub-units and forms, n1+n2 >=3, n1+n2+n3 >=5; Start bit dimmer voltage is according to coding rule, and be arranged in order by n4 (n4 >=1) individual coded sub-units and form, it at least includes the first coded sub-units b1.Preferably, in the first coded sub-units, coding rule sets its fixing copped wave phase angle and is less than or equal to 30 degree.Because fixing copped wave phase angle is less, voltage jump is less, reduces voltage jump on the impact of power factor with greatly reduce the electromagnetic interference that voltage jump causes.When the light regulating technology of the present invention is applied to the dimmer with the load of Switching Power Supply class, fixing copped wave phase angle is less, reduces the loss on impedance matching circuit.
As another example of the present invention, data bit 0 in code signal also can according to coding rule, the corresponding first group of dimmer voltage be made up of the first coded sub-units (b1), data bit 1 is according to coding rule, corresponding is second group of dimmer voltage that the second coded sub-units (b2) and the first coded sub-units (b1) form by two coded sub-units successively, stop bit foundation coding rule, the stop bit dimmer voltage that correspondence is at least made up of two continuous print the second coded sub-units (b2b2).In such cases, the state of stop bit dimmer voltage is conducting state.
Fig. 4 is the circuit structure diagram of the preferred embodiment of the copped wave light adjusting system of the present invention.The copped wave light adjusting system of the present invention comprises copped wave dimmer 301 and driver 303, the output of copped wave dimmer 301 connects driver 303, the output of driver 303 is connected with light source load, and this driver 303 comprises the Received signal strength controller 304 of corresponding transmitting signal controller 302.
Received signal strength controller 304, for detecting the target dim contact potential series of driver 303 input, according to the coding rule same with transmitting signal controller 302, find the code signal that this target dim contact potential series is corresponding, by this Received signal strength controller 304 according to transformation rule, the main circuit in control and drive system 303 makes it export should the electric current of code signal.Described target dim contact potential series comprises the first coded sub-units and/or the second coded sub-units.
Refer to Fig. 5, transformation rule mentioned here is consistent with the transformation rule in transmitting signal controller 302, be the corresponding relation between conditioning signal (or light source load electric current) and code signal, coding rule is the corresponding relation between code signal and target dim contact potential series.In transmitting signal controller 302, the cataloged procedure of dim signal is from left to right: its conditioning signal received from man-machine interface obtains code signal through transformation rule correspondence, more encoded regular correspondence obtains target dim contact potential series.And in Received signal strength controller 304, the decode procedure of dim signal is for turn left from the right side: the encoded regular correspondence of the target dim contact potential series that it receives obtains code signal, then obtains light source load electric current through transformation rule correspondence.Therefore, target dim contact potential series is the carrier for transmitting dim signal between dimmer and driver.
Pass between conditioning signal and light source load electric current is, according to the adjustment target of light-source brightness, user acts on the man-machine interface of dimmer, it is made to export a conditioning signal to transmitting signal controller, make driver output stream reach a certain size through the electric current of light source load, namely the brightness of light source be adjusted to object brightness.
The operation principle of the present invention will be described by a concrete example below:
The light adjusting system supposing to include dimmer and driver can realize 7 grades of light modulations, the higher brighter display showing LED load of progression, the corresponding dimmer voltage in coding rule specified data position 0, its state is copped wave state, corresponding two dimmer voltage of data bit 1, and state is followed successively by conducting state and copped wave state, the corresponding dimmer voltage of start bit, its state is copped wave state, and corresponding two dimmer voltage of stop bit, state is all conducting state.Now the brightness of LED load will be adjusted to the 5th grade, the cataloged procedure of this dim signal is as follows:
For realizing 7 grades of light modulations, the length of pre-arranged code signal is set to 3 by transformation rule, and 3 bit binary value of regulation represented by code signal are larger, and the brightness progression of LED load is higher;
Suppose in transmitting signal controller 302, the conditioning signal of expression the 5th grade of brightness detected, the code signal obtaining its correspondence according to transformation rule inquiry is 101, according to above-mentioned coding rule, 101 code signal correspondences obtain the target dim contact potential series (" data bit " part see in Fig. 6) that a group comprises five dimmer voltage, state is followed successively by conducting state, copped wave state, copped wave state, conducting state, copped wave state, according to coding rule, start bit was added before 101 code signals, stop bit is added after 101 code signals, correspondence obtains one group of dimmer voltage sequence V1 as shown in Figure 6.
The decode procedure of this dim signal is as follows:
In Received signal strength controller 304, receive one group of dimmer voltage sequence V1 as shown in Figure 6, when the state (referring to the state of now chopping switch) of the dimmer voltage received is for copped wave state, show that target dim contact potential series V1 starts transmission, until when the state receiving two dimmer voltage is continuously conducting state, show this group target dim contact potential series end of transmission, each dimmer voltage in the target dim contact potential series that period receives needs to decode the code signal corresponding to it according to coding rule one by one, this code signal is through query conversion rule, the brightness degree signal reduced representated by described code signal, control and drive system main circuit exports the electric current of corresponding size.
The mode of above-mentioned transmission light source conditioning signal, to regulate light-source brightness to describe its operation principle, in fact, the light source conditioning signal of transmission also can refer to the signal transmitting and regulate light source colour, and namely above-mentioned transmission regulates the mode of light signal to be also applicable to regulate the occasion of light source colour.
No matter be regulate the occasion of light-source brightness or regulate the occasion of light source colour, transmitting signal controller is identical with the working method of the Received signal strength controller of driver.When the present invention is applied to adjustment light-source brightness, described conditioning signal represents brightness degree; When the present invention is applied to adjustment light source colour, described conditioning signal representative color classification.
Therefore, comprise the light adjusting system of the present invention of dimmer and driver, the function regulating light-source brightness and/or regulate light source colour can be realized.When same light adjusting system, should realize regulating light-source brightness, when realizing again regulating light source colour function, Received signal strength controller 304 needs the target dim contact potential series received driver, differentiates controlled plant (regulating brightness or adjustable colors) and determines regulating degree (brightness degree or colour type).
Differentiate that controlled plant has following several mode:
1st kind, the difference according to code signal corresponding to target dim contact potential series differentiates.Such as, preset length is the code signal of 4, data bit 0 wherein and data bit 1 permutation and combination at most can corresponding 16 kinds of different conditioning signals, get the permutation and combination corresponding light source brightness regulated signal of wherein 8 kind 0/1, any one corresponding light-source brightness grade in the permutation and combination of 8 kind 0/1; The permutation and combination corresponding light source color adaptation signal of remaining 8 kind 0/1, any one corresponding a kind of light source colour in the permutation and combination of remaining 8 kind 0/1.
2nd kind, according to target dim contact potential series, the length of corresponding code signal differentiates.Such as, the preset length of code signal is 3 corresponding adjustment light-source brightness, and the preset length of code signal is 5 corresponding adjustment light source colours.
3rd kind, the difference according to start bit dimmer voltage differentiates.Specifically can be divided into the difference of copped wave phase angle, the difference of chopping way, the permutation and combination of the coded sub-units of composition start bit dimmer voltage is different.Described chopping way is divided into: forward position copped wave, rear along copped wave, front and back along copped wave.Now be exemplified below respectively: according to the difference of copped wave phase angle, when regulating light-source brightness, the copped wave phase angle of start bit dimmer voltage is set to 30 °; When regulating light source colour, the copped wave phase angle of start bit dimmer voltage is set to 50 °.According to the difference of chopping way, when regulating light-source brightness, the chopping way of start bit dimmer voltage is set to forward position copped wave; When regulating light source colour, the chopping way of start bit dimmer voltage is set to rear along copped wave.Coded sub-units permutation and combination according to composition start bit dimmer voltage is different, and when regulating light-source brightness, start bit dimmer voltage comprises a dimmer voltage, and its state is copped wave state; When regulating light source colour, start bit dimmer voltage comprises two dimmer voltage, and its state is followed successively by copped wave state and conducting state.
4th kind, the difference according to stop bit dimmer voltage differentiates.Concrete and citing is with the 3rd kind.
5th kind, differentiate according to the fixing copped wave phase angle difference in the first coded sub-units.Such as, when regulating light-source brightness, the fixing copped wave phase angle in the first coded sub-units is set to 30 °; When regulating light source colour, the fixing copped wave phase angle in the first coded sub-units is set to 50 °.
6th kind, differentiate according to the chopping way difference in the first coded sub-units.Described chopping way is divided into: forward position copped wave, rear along copped wave, front and back along copped wave.Such as, when regulating light-source brightness, the chopping way in the first coded sub-units is set to forward position copped wave; When regulating light source colour, the chopping way in the first coded sub-units is set to rear along copped wave.
After object to be regulated is determined, the code signal that target dim contact potential series correspondence obtains by Received signal strength controller 304, the transformation rule inquiry corresponding according to controlled plant show that the size of current of the total current size of light source or the light source of various different colours determines described regulating degree.
It should be noted that, the light source of the shades of colour that the present invention mentions, except comprising the light source of the colors such as red, green, blue, also comprises cold white light source and warm white light source.Described light source can be LED light source.
In sum, a kind of copped wave dimmer of the present invention, the two states that copped wave light adjusting system and driver thereof utilize chopping switch may occur in half ac cycle: conducting state (copped wave phase angle is 0), copped wave state (copped wave phase angle is not 0 and fixes) represents the adjustment information that dimmer output voltage comprises, do not need the size changing copped wave phase angle just can realize the transmission of dim signal owing to transmitting different conditioning signals, and arrange fixing copped wave phase angle less time, chopping voltage sudden change under this kind of state is less, reduce the impact of voltage jump on power factor, and greatly reduce the electromagnetic interference that voltage jump causes.When the present invention is applied to the copped wave dimmer with the load of Switching Power Supply class, fixing copped wave phase angle is less is such as less than or equal to 30 °, reduces the loss on impedance matching circuit.
Moreover, the copped wave dimmer of the present invention, copped wave light adjusting system and driver thereof, because between two groups of target dim contact potential seriess, chopping switch is operated in conducting state, even if in target dim contact potential series, the state of some dimmer voltage is also conducting state, therefore the copped wave state of chopping switch only appears in the very short time, dimmer not exports chopping voltage for a long time, the mode of such transmission light source conditioning signal, the impact brought for being changed by input voltage is very little, thus improves the accuracy to rear class driver transmission signal; And be conducive to the impact of the power factor reducing dimmer input side, improve the service efficiency of electric energy, electromagnetic interference is little.
Finally, coding rule in the light regulating technology that the present invention relates to easily is standardized as the light modulation agreement transmitting adjustment information between dimmer and driver, and the content of this light modulation agreement is simple, comprising setting dimmer voltage in any state exchanged in the half period is copped wave state or conducting state.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any those skilled in the art all without prejudice under spirit of the present invention and category, can carry out modifying to above-described embodiment and change.Therefore, the scope of the present invention, should listed by claims.
Claims (11)
1. a copped wave dimmer, be applied in a copped wave light adjusting system, this copped wave dimmer at least comprises:
Chopping switch, between the input being connected on this copped wave dimmer and output; And
One transmitting signal controller, this transmitting signal controller is for receiving a conditioning signal, code signal corresponding to this conditioning signal is obtained according to a transformation rule, and according to a coding rule, obtain this code signal to should the drive singal of chopping switch, thus obtain the one group of target dim contact potential series including this conditioning signal, this transmitting signal controller is according to this coding rule, exchange in positive and negative half period at one, export the operating state that this drive singal controls this chopping switch, make the dimmer voltage of this copped wave dimmer correspondence output as a coded sub-units, copped wave phase angle fix and be not the first operating state as chopping switch of copped wave state of 0 time, the dimmer voltage that this copped wave dimmer correspondence exports is as the first coded sub-units, when copped wave phase angle is the second operating state of conducting state as chopping switch of 0, the dimmer voltage that this copped wave dimmer correspondence exports is as the second coded sub-units,
Wherein, this coding rule adds start bit and stop bit before and after this code signal, and correspondence obtains before and after target dim contact potential series, with the addition of start bit dimmer voltage and stop bit dimmer voltage; This code signal comprises data bit 0 and data bit 1; The data bit 0 of this code signal is according to this coding rule, the corresponding first group of dimmer voltage be made up of this first coded sub-units, data bit 1 is according to this coding rule, corresponding is second group of dimmer voltage that this second coded sub-units and this first coded sub-units form by two coded sub-units successively, this stop bit foundation coding rule, corresponding this stop bit dimmer voltage be at least made up of this second coded sub-units of two continuous print.
2. copped wave dimmer as claimed in claim 1, is characterized in that: this first group of dimmer voltage and this second group of dimmer voltage form this target dim contact potential series according to data bit 0 and data bit 1 putting in order of this code signal.
3. copped wave dimmer as claimed in claim 1, is characterized in that: this start bit dimmer voltage is according to this coding rule, and be arranged in order by n4 coded sub-units and form, it at least includes the first coded sub-units, wherein, and n4 >=1.
4. copped wave dimmer as claimed in claim 1, is characterized in that: in this first coded sub-units, and fixing copped wave phase angle is less than or equal to 30 degree.
5. copped wave dimmer as claimed in claim 1, it is characterized in that: this transmitting signal controller also receives an ac voltage signal to detect cycle of ac voltage signal, zero-acrross ing moment or peak value moment, it is for the duration of the initial time and low and high level that calculate the drive singal of this chopping switch.
6. copped wave dimmer as claimed in claim 1, is characterized in that: between two groups, the front and back target dim contact potential series that former and later two conditioning signals are corresponding, this transmitting signal controller controls this chopping switch and is operated in conducting state.
7. a driver, be applied in a copped wave light adjusting system, its input receiving target dimmer voltage sequence, this driver at least comprises a Received signal strength controller, this Received signal strength controller, for detecting this target dim contact potential series, searches code signal corresponding to this target dim contact potential series according to coding rule, and according to transformation rule, the main circuit controlling this driver exports the electric current of corresponding code signal, and this coding rule is the coding rule described in any one in claim 1 to 6.
8. driver as claimed in claim 7, is characterized in that: this Received signal strength controller differentiates controlled plant to this target dim contact potential series received.
9. driver as claimed in claim 8, is characterized in that: this Received signal strength controller differentiates that the mode of controlled plant comprises: according to code signal corresponding to this target dim contact potential series difference or length differentiates, differentiate according to the difference of start bit dimmer voltage or stop bit dimmer voltage, differentiate according to the fixing copped wave phase angle difference in the first coded sub-units and differentiate according to the chopping way difference in the first coded sub-units.
10. driver as claimed in claim 9, it is characterized in that: after this Received signal strength controller determination controlled plant, by the code signal that this target dim contact potential series correspondence obtains, the transformation rule inquiry corresponding according to controlled plant draws the size of current of the total current size of light source or the light source of various different colours.
11. 1 kinds of copped wave light adjusting systems, at least comprise:
Copped wave dimmer, input connects alternating voltage, it comprises one and is connected on chopping switch between the input of this copped wave dimmer and output and a transmitting signal controller, this transmitting signal controller receives a conditioning signal, code signal corresponding to this conditioning signal is obtained according to a transformation rule, and according to a coding rule, obtain this code signal to should the drive singal of chopping switch, thus the one group of target dim contact potential series obtaining including this conditioning signal exports, this transmitting signal controller is according to this coding rule, exchange in positive and negative half period at one, export the operating state that this drive singal controls this chopping switch, make the dimmer voltage of this copped wave dimmer correspondence output as a coded sub-units, copped wave phase angle fix and be not the first operating state as chopping switch of copped wave state of 0 time, the dimmer voltage that this copped wave dimmer correspondence exports is as the first coded sub-units, when copped wave phase angle is the second operating state of conducting state as chopping switch of 0, the dimmer voltage that this copped wave dimmer correspondence exports is as the second coded sub-units, and
Driver, be connected to the output of this copped wave dimmer, it at least comprises a Received signal strength controller, this Received signal strength controller is for detecting this target dim contact potential series, code signal corresponding to this target dim contact potential series is searched according to this coding rule, and according to this transformation rule, the main circuit controlling this driver exports should the electric current of code signal;
Wherein, this coding rule adds start bit and stop bit before and after this code signal, and correspondence obtains before and after target dim contact potential series, with the addition of start bit dimmer voltage and stop bit dimmer voltage; This code signal comprises data bit 0 and data bit 1; The data bit 0 of this code signal is according to this coding rule, the corresponding first group of dimmer voltage be made up of this first coded sub-units, data bit 1 is according to this coding rule, corresponding is second group of dimmer voltage that this second coded sub-units and this first coded sub-units form by two coded sub-units successively, this stop bit foundation coding rule, corresponding this stop bit dimmer voltage be at least made up of this second coded sub-units of two continuous print.
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| CN201110321234.2A CN103068094B (en) | 2011-10-20 | 2011-10-20 | Chopping dimmer, chopping dimming system and driver of chopping dimming system |
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| CN201110321234.2A CN103068094B (en) | 2011-10-20 | 2011-10-20 | Chopping dimmer, chopping dimming system and driver of chopping dimming system |
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| CN114567951B (en) * | 2022-03-10 | 2023-12-22 | 四维生态科技（杭州）有限公司 | Method and device for adjusting lighting system and computer storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6069457A (en) * | 1998-01-20 | 2000-05-30 | Lumion University | Method and apparatus for controlling lights and other devices |
| CN101588673A (en) * | 2008-05-23 | 2009-11-25 | 上海阿卡得电子有限公司 | Method and device for controlling dimming of online integral-type gas discharge lamp |
| CN101977478A (en) * | 2010-10-19 | 2011-02-16 | 傲玺微电子(上海)有限公司 | Digital dimming control method and system for two-wire fluorescent lamps |
-
2011
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6069457A (en) * | 1998-01-20 | 2000-05-30 | Lumion University | Method and apparatus for controlling lights and other devices |
| CN101588673A (en) * | 2008-05-23 | 2009-11-25 | 上海阿卡得电子有限公司 | Method and device for controlling dimming of online integral-type gas discharge lamp |
| CN101977478A (en) * | 2010-10-19 | 2011-02-16 | 傲玺微电子(上海)有限公司 | Digital dimming control method and system for two-wire fluorescent lamps |
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