CN104684205B - Lighting device and electric line communication system for being sent to signal - Google Patents
Lighting device and electric line communication system for being sent to signal Download PDFInfo
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- CN104684205B CN104684205B CN201410583924.9A CN201410583924A CN104684205B CN 104684205 B CN104684205 B CN 104684205B CN 201410583924 A CN201410583924 A CN 201410583924A CN 104684205 B CN104684205 B CN 104684205B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/185—Controlling the light source by remote control via power line carrier transmission
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
- Dc Digital Transmission (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Selective Calling Equipment (AREA)
Abstract
The object of the present invention is to provide a kind of influences that can be not necessarily to complicated wiring and inhibit noise, and carry out the lighting device (1) of light modulation toning control and the electric line communication system (19) for being sent to signal.The present invention is the lighting device (1) that a part for the voltage waveform for making alternating current is lacked and supplied to the LED drive device of driving device (8), in the voltage waveform of the half period of alternating current, the combination of voltage waveform and the voltage waveform not lacked based on a missing part constitutes light modulation indication signal (Sad), if LED drive device (8) obtains identical light modulation indication signal (Sad) via the continuous stipulated number of power line (Pl), it is judged as obtaining light modulation indication signal (Sad).
Description
Technical field
A kind of electric line communication system the present invention relates to lighting device and for being sent to signal.
Background technology
In recent years, it is known that using high-brightness LED as the lighting device of illumination light source.For lighting device, series connection connects
The LED unit for being connected to multiple LED is connected with parallel form, and is driven to multiple LED using the signal industrial siding of multiple PWM controls etc.
Dynamic device is dimmed or is mixed colours.For example, as described in patent document 1.
Existing technical literature：
Patent document
Patent document 1：Japanese Laid-Open 2007-189004 bulletins
Invention content
The subject that the invention solves
This lighting device supplies alternating current by power line, and is sent by signal wire and believed for the control of PWM controls
Number.That is, the lighting device described in patent document 1 is needed in the case where being dimmed or being mixed colours by wired operating device
Multiple power lines and multiple signal wires are configured, therefore wiring operation becomes complicated.
In addition, provided with multiple lighting devices, as requiring while and setting lighting device in the same manner
Desirable light modulation or toning when unit, can be wire communication, infrared communication, wireless communication or high speed power line
Communication.In the case of infrared ray, based on reach apart from the shortcomings that make more lighting devices be difficult to synchronize.In the feelings of wireless communication
Under condition, signal diffuses to next door or undesirable range, it is therefore desirable to complicated setting operation for preventing radio interference.
To, infrared communication or wireless communication are difficult to apply to general luminaire, and in the power line communication of high speed, make to remove
High-frequency signal other than general electric power signal coincides with power line, thus needed in distribution board for prevent high-frequency signal to
The equipment etc. of next door leakage, and form it into enlargement.Especially, high transmission circuit is loaded into each luminaire, meeting
Product is set to be in bottleneck in price, to which commercialization becomes extremely difficult.
The present invention is proposed in view of the above subject, and complicated wiring and suppression can be not necessarily to its purpose is to provide a kind of
The influence of noise processed, and carry out the lighting device of light modulation toning control and send the electric line communication system of signal to for it.
The method to solve the problem
Lighting device shown in the application is the part missing of the voltage waveform for making alternating current and is filled to driving
The lighting device for setting supply, in the voltage waveform of the half period of alternating current, based on lacked a part voltage waveform and
The combination for the voltage waveform not lacked constitutes light modulation indication signal, if driving device is obtained via the continuous stipulated number of power line
Identical light modulation indication signal is then judged as obtaining light modulation indication signal.
In addition, lighting device described herein, it is preferable that if achieved above in the continuous stipulated number of the driving device
Based on the voltage waveform not lacked or lacked a part the voltage waveform in any one voltage waveform letter
After number, another electricity in the voltage waveform of a part is obtained based on the voltage waveform not lacked or lacked
The signal of corrugating then obtains the voltage waveform for constituting the light modulation indication signal since subsequent voltage waveform.
In addition, lighting device described herein, it is preferable that based on the voltage waveform or missing one not lacked
The combination of the partial voltage waveform, the regulation number voltage waveform, constitutes the light modulation indication signal.
In addition, lighting device described herein is that the alternating current supplied by power line is converted to DC current simultaneously
The lighting device supplied to driving device, has：Waveform lacks unit, is connect with power line, and makes the half of alternating current
Part missing in the voltage waveform in period；Converting unit, be used for from power line obtain alternating current voltage waveform or
By the voltage waveform of the transformed DC current of alternating current, and in the voltage waveform of the half period with alternating current or conversion
In the voltage waveform of the corresponding DC current of voltage waveform of the half period of preceding alternating current, the voltage of a part will have been lacked
Waveform and the voltage waveform not lacked are converted into different rectangular waves respectively；And control unit, if continuous from converting unit
Stipulated number is obtained by corresponding with the comparable rectangular wave of voltage waveform for having lacked a part and with the voltage waveform that does not lack
Rectangular wave combination and the light modulation indication signal that constitutes, then be judged as obtaining light modulation indication signal, and based on single or
Multiple light modulation indication signals selectively determine the form of a light modulation value in the form of multiple light modulation values, and generate electric current control
Signal processed.
In addition, electric line communication system described herein is the voltage waveform of the alternating current for making to flow to power line
Part missing and supply alternating current, and send the electric line communication system of signal, have：Waveform lacks unit,
It is used to make to flow to the part missing in the voltage waveform of the half period of the alternating current of power line；And converting unit, it uses
In the voltage waveform for obtaining alternating current from power line, and by it is in the voltage waveform of the half period of alternating current, missing
The voltage waveform of a part and the voltage waveform not lacked are converted into different rectangular waves respectively.
The effect of invention
As the effect of the present invention, effect as described below is played.
In the present invention, driving device obtains the light modulation indication signal constituted using voltage waveform via power line.Separately
Outside, formal light modulation indication signal is suitably determined whether according to the acquisition form of light modulation indication signal.Thereby, it is possible to nothings
It needs complicated wiring and inhibits the influence of noise, carry out light modulation toning control.
In addition, in the present invention, the signal constituted using voltage waveform is sent via power line.Thereby, it is possible to be not necessarily to
Complicated wiring can send signal to motor device.
Description of the drawings
Fig. 1 is the schematic diagram of the lighting device of first embodiment of the invention.
Fig. 2 is the structure chart of the light adjusting and controlling device of the lighting device of first embodiment of the invention.
Fig. 3 is the structure chart of the LED drive device of the lighting device of first embodiment of the invention.
In Fig. 4, (a) is the exchange of the light adjusting and controlling device for the lighting device for showing to be applied to first embodiment of the invention
The oscillogram of voltage；(b) it shows in equal illumination device, the bidirectional triode thyristor exported from bidirectional triode thyristor control unit controls letter
Number oscillogram；(c) it shows in equal illumination device, applies from light adjusting and controlling device to lighting device (LED drive device)
Alternating voltage oscillogram；(d) it shows in equal illumination device, the light modulation indication signal exported from rectangular wave converter section
The oscillogram of (rectangular wave).
Fig. 5 is the concept map for the structure for showing the light modulation indication signal in the lighting device of first embodiment of the invention.
Fig. 6 is the flow chart of the control form for the lighting device for showing first embodiment of the invention.
Fig. 7 (a) is the schematic diagram of the lighting device of second embodiment of the invention；Fig. 7 (b) is existing illumination
The schematic configuration diagram of device.
Fig. 8 is the schematic configuration diagram of the electric line communication system of the present invention.
Reference sign
1 lighting device
8 LED drive devices
18 electric line communication systems
Sad dims indication signal
Pl power lines
Specific implementation mode
First ,-Fig. 3 referring to Fig.1, illustrates the lighting device 1 of the first embodiment of lighting device 1 of the present invention.
In the present embodiment, lighting device 1 has the mutually different a variety of LED of colour temperature.Lighting device 1 is the tune by a variety of LED
Photocontrol is come the lighting device 1 that can control light modulation and mix colours, and but not limited to this.
As shown in Figure 1, lighting device 1 is using LED as the lighting device 1 of light source.Lighting device 1 has brightness adjustment control dress
Set 2, LED drive device 8 and LED module 17.In lighting device 1, driven with power line Pl connections light adjusting and controlling device 2 and LED
Dynamic device 8.
As shown in Fig. 2, lack the light adjusting and controlling device 2 of unit as waveform, based on from external operation generate about
The light modulation indication signal Sad of light modulation and toning.That is, operation of the light adjusting and controlling device 2 based on user is generated for converting LED moulds
The brightness of block 17 or the light modulation indication signal Sad of tone.Light adjusting and controlling device 2 includes operation portion 3, zero passage (zero-cross) inspection
Survey portion 4, bidirectional triode thyristor 5, bidirectional triode thyristor driver 6 and bidirectional triode thyristor control unit 7.In addition, in the present embodiment,
In order to make alternating current voltage waveform a part missing, use bidirectional triode thyristor 5, but not limited to this.
Operation portion 3 is for receiving from the externally input control content about lighting device 1.In addition, the display of operation portion 3 is shone
The current setting of bright device 1.Specifically, in operation portion 3 at least provided with the unlatching in relation to lighting device 1/closing (ON/
OFF operating unit) and the operating unit in relation to dimming and mixing colours.Operation portion 3 can be made of switch or adjusting knob,
It can be the structure that button etc. is shown in touch panel etc..Operation portion 3 can be believed based on operation is generated from external operation
Number Sm.In addition, operation portion 3 can currently be dimmed by displays such as liquid crystal display devices and the state of toning.
At the time of zero passage detection portion 4 is for detecting alternating voltage as 0V.Zero passage detection portion 4 is connect with power line Pl, energy
At the time of the voltage that enough detections flow to the alternating current of power line Pl becomes 0V.
Bidirectional triode thyristor 5 is the thyristor having there are three terminal, can make current direction both direction.Specifically
For, bidirectional triode thyristor 5 coordinates the conducting direction of the phase of alternating current and switching electric current, thus enables that alternating current only
Conducting at any time.That is, bidirectional triode thyristor 5 can make the part missing of the voltage waveform of alternating current.It is two-way controllable
The gate terminal G of silicon 5 is connect with bidirectional triode thyristor driver 6.In addition, for bidirectional triode thyristor 5, T1 terminals are via power line
Pl is connect with AC power Acc, and T2 terminals are connect via power line Pl with LED drive device 8.That is, bidirectional triode thyristor 5 and supply
The power line Pl of alternating current is arranged with cascade.
Bidirectional triode thyristor driver 6 generates trigger pulse and is exported to bidirectional triode thyristor 5.Bidirectional triode thyristor driver 6 with
The gate terminal G connections of bidirectional triode thyristor 5.Bidirectional triode thyristor driver 6 can be based on double from bidirectional triode thyristor control unit 7
To SCR control signal St, (timing) exports trigger pulse to the gate terminal G of bidirectional triode thyristor 5 at the time of to provide.
Bidirectional triode thyristor control unit 7 is used to determine the turn on period of bidirectional triode thyristor 5, and controls bidirectional triode thyristor driver
6.Bidirectional triode thyristor control unit 7 can be generated based on the operation signal Sm about light modulation and toning from operation portion 3 to two-way
The bidirectional triode thyristor control signal St that scr triggering device 6 exports.Bidirectional triode thyristor control unit 7 is constituted as follows：If obtaining
The detection signal Sz from zero passage detection portion 4 is obtained, then the bidirectional triode thyristor generated is controlled signal St drives to bidirectional triode thyristor
Dynamic device 6 exports.That is, bidirectional triode thyristor control unit 7 can proceed as follows control：The alternating voltage of alternating current is set to become
A part in the voltage waveform (in the following, referred to as " single waveform ") of the half period of alternating current subsequent 0V is with defined ratio
Example missing (with reference to Fig. 4).
Bidirectional triode thyristor control unit 7 is connect with operation portion 3, and can be obtained from operation portion 3 about light modulation and tune
The operation signal Sm of color.In addition, bidirectional triode thyristor control unit 7 is based on operation signal Sm, current tune can be shown in operation portion 3
Light and toning state.
Bidirectional triode thyristor control unit 7 is connect with zero passage detection portion 4, can obtain the alternating current that zero passage detection portion 4 is detected
Press to detection signal Sz at the time of 0V.
Bidirectional triode thyristor control unit 7 is connect with bidirectional triode thyristor driver 6, if obtaining detection signal from zero passage detection portion 4
Sz, then can by the bidirectional triode thyristor generated based on the operation signal Sm obtained from operation portion 3 control signal St to it is two-way can
Silicon driver 6 is controlled to export.
As shown in figure 3, LED drive device 8 is for the driving device to LED module 17 for induced current I.LED driving dresses
8 are set to have：DC/DC converters 9；Resistance Ra, Rb；And control circuit 11.
Resistance Ra, Rb are used for setting electric current Ia, Ib, electric current Ia, Ib flow direction constitute LED module 17 LED unit 17a,
17b.The side of resistance Ra, Rb are connect with LED unit 17a, 17b constituted with parallel form respectively.The other side of resistance Ra, Rb
It is grounded via resistance R0, and is connect with DC/DC converters 9.That is, by the way that the resistance value of resistance Ra, Rb are set as arbitrary value,
Electric current Ia, Ib of LED unit 17a, 17b can be determined to flow to.In addition, resistance R1, R2 are used to electric current Ia, Ib being converted to voltage
Va、Vb。
DC/DC converters 9 export electric current I with defined control form.The input terminal of DC/DC converters 9 is via electricity
Bridge circuit 10 is connect with power line Pl.That is, DC current made of being converted from alternating current is turned by bridge circuit 10 to DC/DC
Parallel operation 9 inputs.The DC current supplied from input terminal can be converted to arbitrary current value by DC/DC converters 9, and can
By transformed DC current, i.e. electric current I is exported from leading-out terminal.In addition, DC/DC converters 9 can be based on from control electricity
The dim signal Sc on road 11 controls the electric current I of output.In addition, an example as dim signal Sc, there is PWM dim signals.
DC/DC converters 9 are constituted in a manner of it can receive voltage V as feedback signal Sf, wherein voltage V be in order to
The sum of the voltage Va and voltage Vb for so that electric current Ia, Ib is flowed to resistance Ra, Rb and applying.DC/DC converters 9 can will be based on feedback
The electric current I of signal Sf outputs maintains defined value.That is, DC/DC converters 9 can be by constant current control to LED module 17
For induced current I.
Control circuit 11 as control unit is for controlling DC/DC converters 9.Control circuit 11 is for example by miniature calculating
Mechanism at.Control circuit 11 has rectangular wave converter section 12, light modulation catalogue (table) storage part 13, current controling signal and generates
Portion 14, voltage detection department 15 and operational part 16.
Rectangular wave converter section 12 as converting unit is used for the voltage from the alternating current for constituting light modulation indication signal Sad
The voltage waveform of waveform or the DC current made of being converted by alternating current generates rectangular wave.Rectangular wave converter section 12 and electricity
The power line Pl connections of the input side or outlet side of bridge circuit 10, and the alternating current for flowing to power line Pl or straight can be obtained
The voltage waveform of galvanic electricity stream.In the present embodiment, the power line Pl of rectangular wave converter section 12 and the outlet side of bridge circuit 10
Connection.
It, can be by the list with the alternating current before the single waveform of alternating current or conversion for rectangular wave converter section 12
Single waveform in the voltage waveform of the corresponding DC current of a waveform, having lacked a part and the single waveform not lacked
It is converted into different rectangular waves respectively.At this point, for rectangular wave converter section 12, when lacking for the single waveform for having lacked a part
When losing ratio more than the requirement ratio arbitrarily set, it is judged as YES the single waveform that a part has lacked.Rectangular wave turns as a result,
Even if if changing portion 12 in the big environment of the influence of noise the influence of noise can be reduced by setting big miss ratio.
Rectangular wave converter section 12 can export rectangular wave to operational part 16.
Light modulation catalogue storage part 13 is for storing dimming ratio information Sa.Catalogue storage part 13 is dimmed by control circuit 11
A part for the storage region of memory (such as flash memory or EEPROM) is constituted.It is previously stored with tune in light modulation catalogue storage part 13
Light rate information Sa, dimming ratio information Sa are the dimming ratio and tune with the LED module 17 set with each light modulation indication signal Sad
The relevant information of color rate.Light modulation catalogue storage part 13 can export dimming ratio information Sa to operational part 16.
Current controling signal generating unit 14 generates information Sp based on the current controling signal from operational part 16 and generates light modulation
Signal Sc.Current controling signal generating unit 14 can export the dim signal Sc generated to DC/DC converters 9.In addition, making
An example that information Sp is generated for current controling signal has pwm signal to generate information.
Voltage detection department 15 is for detecting the voltage V for being applied to LED module 17.Voltage detection department 15 drives with LED is connected to
The LED module 17 of dynamic device 8 is constituted with parallel form.Specifically, voltage detection department 15 and the LED unit in LED module 17
The anode-side of 17a, 17b are connected with cathode side.Voltage detection department 15 is applied to LED module 17 for detection at regular intervals
Voltage V.The voltage V detected can be converted to digital signal Vd and by digital signal Vd to operational part by voltage detection department 15
16 outputs.In addition, voltage detection department 15 can be the knot for the digital signal Vd for exporting detected voltage V to operational part 16 at any time
Structure, or can also be the structure exported to operational part 16 according to the requirement from operational part 16.In addition, voltage detection department 15
It can also be the structure for exporting analog signal to operational part 16 instead of digital signal Vd.
Operational part 16 is for calculating the electric current I values supplied to LED module 17.Operational part 16 can be based on turning from rectangular wave
The rectangular wave for changing portion 12 obtains dimming ratio information Sa from light modulation catalogue storage part 13.Operational part 16, can be based on the tune obtained
Light rate information Sa calculates the current value supplied to LED module 17, and generates the current controling signal in relation to the current value and generate
Information Sp.It is, for example, digital signal that current controling signal, which generates information Sp,.In addition, operational part 16 is for judging LED module 17
State.Operational part 16 can obtain the digital signal Vd of voltage V from voltage detection department 15 at regular intervals.Operational part 16 can
False judgment is carried out based on the digital signal Vd obtained.
Operational part 16 is connect with rectangular wave converter section 12, and can be obtained and be converted to rectangular wave by rectangular wave converter section 12
Light modulation indication signal Sad.
Operational part 16 is connect with light modulation catalogue storage part 13, and can obtain the tune that light modulation catalogue storage part 13 is stored
Light rate information Sa.
Operational part 16 is connect with current controling signal generating unit 14, and can be exported to current controling signal generating unit 14
Current controling signal generates information Sp.
Operational part 16 is connect with voltage detection department 15, and can obtain it is that voltage detection department 15 is detected, be applied to LED
The digital signal Vd of the voltage of module 17.
Current controling signal generating unit 14 is connect with DC/DC converters 9, and can be exported and be dimmed to DC/DC converters 9
Signal Sc.
LED module 17 is the light source for connecting multiple LED and constituting.LED module 17 is constituted as follows：It is connected in series with
LED unit 17a, 17b of more than one LED is connected with parallel form.LED module 17 in the present embodiment is with LED unit 17a
The colour temperature for the LED the being had mode different with the colour temperature of the LED unit 17b LED having is constituted.
For example, in LED module 17, the colour temperature of the LED unit 17a LED having is set as 5000 Kelvins, and will
The colour temperature for the LED that LED unit 17b has is set as 2500 Kelvins.LED module 17 can be by adjusting each independently as a result,
The light emission luminance of the light emission luminance and LED unit 17b of whole LED unit 17a changes integral color (the toning control of LED module 17
System)；In addition, LED module 17 can be by adjusting LED unit 17a in the case where the integral color of LED module 17 is kept fixed
And the light emission luminance of 17b, carry out brightness adjustment control.In addition, it is not necessary to toning control can be carried out, by make LED unit 17a and
It is also possible only to carry out brightness adjustment control that 17b has the LED of identical colour temperature.
For LED module 17, LED unit 17a, 17b can with actual load on the same substrate, can also actual load each other
On different substrates.In addition, in the present embodiment, LED module 17 is made of LED unit 17a and LED unit 17b, but unlimited
Due to this, as long as being made of more than one LED unit.
LED module 17 is connect with LED drive device 8.Specifically, constitute LED unit 17a, 17b of LED module 17
Anode side terminal is connect with the leading-out terminal of DC/DC converters 9.In addition, the cathode side terminal of LED unit 17a, 17b respectively with
Resistance Ra, Rb connection.Resistance value of the LED module 17 based on resistance Ra, Rb determines to flow to the electric current of LED unit 17a, 17b as a result,
Ia、Ib。
Below ,-Fig. 3 referring to Fig.1, light adjusting and controlling device 2 to the lighting device 1 of first embodiment of the invention and
The control mode of LED drive device 8 illustrates.
For the light adjusting and controlling device 2 of lighting device 1, bidirectional triode thyristor control unit 7 is based on the operation from operation portion 3
Signal Sm generates bidirectional triode thyristor control signal St.Light adjusting and controlling device 2 is based on bidirectional triode thyristor control signal St and generates light modulation
Indication signal Sad, wherein light modulation indication signal Sad is by making one in the single waveform of alternating current by bidirectional triode thyristor 5
The combination of the single waveform and the single waveform not lacked of missing is divided to constitute.
For the LED drive device 8 of lighting device 1, the rectangular wave converter section 12 of control circuit 11 is obtained from power line Pl
It obtains the light modulation indication signal Sad that light adjusting and controlling device 2 is generated and converts thereof into rectangular wave.For LED drive device 8,
The light modulation indication signal Sad for being converted into rectangular wave is obtained in operational part 16.Operational part 16 indicates letter based on the light modulation obtained
Number Sad obtains dimming ratio information Sa from light modulation catalogue storage part 13.Operational part 16 generates information for generating current controling signal
Sp, and it is transmitted to current controling signal generating unit 14.
Current controling signal generating unit 14 generates information Sp based on the current controling signal obtained and generates dim signal Sc.
Current controling signal generating unit 14 is transmitted for the dim signal Sc generated to be transmitted to DC/DC converters 9.DC/DC converters 9
Based on the dim signal Sc received to LED module 17 for induced current I.
The electric current I supplied by DC/DC converters 9 is supplied to LED module 17.Electric current I is with by each resistance value of resistance Ra, Rb
The shunting ratio of decision is split into electric current Ia, Ib.Electric current Ia, Ib flow to LED unit 17a, 17b of LED module 17 respectively.Just
For LED unit 17a, 17b, if for induced current Ia, Ib, each LED is carried out a little with brightness corresponding with electric current Ia or electric current Ib
Lamp.
DC/DC converters 9 are constituted in a manner of it can receive voltage V as feedback signal Sf, wherein voltage V be in order to
The sum of the voltage Va and voltage Vb for so that electric current Ia, Ib is flowed to resistance Ra, Rb and applying.DC/DC converters 9 will be based on being obtained
The electric current I of feedback signal Sf outputs is controlled in fixed current value.
Here, the light modulation indication signal Sad generated by light adjusting and controlling device 2 is specifically described with reference to Fig. 4.In Fig. 4,
(a) it is applied to the alternating voltage of light adjusting and controlling device 2.It is (b) that exported from bidirectional triode thyristor control unit 7 two-way can in Fig. 4
Control silicon control signal St.In Fig. 4, (c) it is the exchange that lighting device 1 (LED drive device 8) is applied to from light adjusting and controlling device 2
Voltage.In Fig. 4, (d) it is the light modulation indication signal Sad (rectangular wave) exported from rectangular wave converter section 12.
Light modulation indication signal Sad is made of multiple single waveforms.Specifically, light modulation indication signal Sad is by single waveform
In the combination of single waveform and the single waveform that does not lack of a missing part constitute.That is, light modulation indication signal Sad is
Generated using alternating voltage (with reference to (a) in Fig. 4), and via power line Pl together with alternating current to lighting device
1 LED drive device 8 exports.In addition, in the present embodiment, light modulation instruction is constituted using five single waveforms as one group
Signal Sad, but not limited thereto.
The single waveform for having lacked a part is to constitute as follows：Make at the time of with alternating voltage being 0V (at zero passage)
On the basis of, made in waveform phase by bidirectional triode thyristor 5 based on bidirectional triode thyristor control signal St (with reference to (b) in Fig. 4)
A part for first half is lacked and is generated (with reference to (c) in Fig. 4).As a result, for dimming indication signal Sad, even if in noise
The big environment of influence in, the influence of noise can be reduced by setting the benchmark that missing starts.In addition, in the present embodiment
In, it has lacked at the time of the single waveform of a part using alternating voltage is 0V (at zero passage) and as benchmark has lacked one of first half
Point, but not limited to this, as benchmark lack a later half part at the time of can also be using alternating voltage being 0V.
Dim single waveforms of the indication signal Sad in the boundary using part missing.That is, light modulation indication signal Sad
It is generated by such as under type：Using the single waveform for having lacked a part as the commencing signal for starting acquisition light modulation indication signal Sad
Ss, and by continuous single with regulation number (in the present embodiment, e.g. " five ") since the single waveform
Waveform generates.In the present embodiment, to be constituted light modulation as one group from continuous five single waveforms of commencing signal Ss
Indication signal Sad, but not limited thereto.
Moreover, light modulation indication signal Sad is continuously exported with stipulated number (in the present embodiment, e.g. " twice ").
That is, for dimming indication signal Sad, the combination of commencing signal Ss and light modulation indication signal Sad are continuously exported with stipulated number.
In the present embodiment, the combination of commencing signal Ss and light modulation indication signal Sad are with continuous output twice, and but not limited thereto.
Then, with reference to Fig. 3-Fig. 5, specifically the processing mode of the light modulation indication signal Sad in LED drive device 8 is carried out
Explanation.
As shown in figure 3, for LED drive device 8, single waveform is obtained from power line Pl, and convert in rectangular wave
The single waveform for having lacked the single waveform of a part in portion 12 and not lacked is converted into different rectangular waves respectively.It is specific and
Speech, as shown in (d) in Fig. 4, LED drive device 8, with for the single wave for having lacked a part in rectangular wave converter section 12
Firing time (pulse width) A of the rectangular wave (pulse) of shape than the rectangular wave for the single waveform not lacked excitation when
Between the longer modes of B generate rectangular wave.The rectangle wave direction operational part that LED drive device 8 will be generated by rectangular wave converter section 12
16 outputs.
LED drive device 8 is used to obtain the rectangular wave generated by rectangular wave converter section 12 in operational part 16.LED drives
The rectangular wave of acquisition is identified as the least unit of information, the i.e. signal of 1bit by device 8.Specifically, with regard to LED drive device 8
For, the rectangular wave that firing time is grown is identified as " 1 " in operational part 16, the short rectangular wave of firing time is identified as " 0 ".
That is, light modulation indication signal Sad is constituted as the numeric data code being composed of " 1 " and " 0 " by regulation number.In this embodiment party
In case, light modulation indication signal Sad is constituted as the numeric data code of 5bit, and but not limited to this.
As shown in figure 5, for LED drive device 8, if operational part 16 provides number (in this embodiment party in continuous obtain
" 1 " is obtained after " 0 " more than in case, e.g. " five "), then " 1 " is identified as to the commencing signal of light modulation indication signal Sad
Ss, and the bit (in the present embodiment, e.g. " 5bit ") for being identified as the regulation number by continuing thereafter with acquisition is constituted and is adjusted
Light indication signal Sad.
Further, for LED drive device 8, if operational part 16 with stipulated number (in the present embodiment, such as
It is " twice ") continuously obtain the light modulation indication signal Sad being made of the combination of identical " 1 " and " 0 ", then it is judged as being adjusted
Light indication signal Sad.Specifically, for LED drive device 8, operational part 16 obtain as commencing signal Ss " 1 " it
Afterwards, the combination of " 1 " and " 0 " that are made of regulation number (in the present embodiment, e.g. " five ") is then obtained.Further
Ground, for LED drive device 8, if operational part 16 is obtaining followed by obtaining for next " 1 " as commencing signal Ss
In the case of providing that the combination of " 1 " and " 0 " of number is identical with what is obtained before, then it is judged as obtaining light modulation indication signal
Sad。
For example, in example as shown in Figure 5, LED drive device 8 sentences " 1 " after " 0 " of the acquisition of operational part 16 5bit
Break as commencing signal Ss.Moreover, for LED drive device 8, operational part 16 makes subsequent as " 1 " of commencing signal Ss
5bit values (numeric data code) " 01110 ", " 1 " as next commencing signal Ss and 5bit values (numeric data code) " 01110 " continuum
Together, when further the numeric data code of initial 5bit is consistent with the numeric data code of next 5bit, it is judged as obtaining light modulation instruction letter
Number Sad1 " 01110 ".In the present embodiment, it for LED drive device 8, is made of 5bit signals if obtaining twice in succession
Like combinations, then be judged as obtaining light modulation indication signal Sad, but not limited to this.
For LED drive device 8, after operational part 16 continuously obtains light modulation indication signal Sad with stipulated number, if obtaining
The light modulation of composition is combined by " 1 " and " 0 " different from the combination of " 1 " and " 0 " of light modulation indication signal Sad that first obtains is constituted
Indication signal Sad is then judged as obtaining new light modulation indication signal Sad.Specifically, for LED drive device 8,
After operational part 16 obtains light modulation indication signal Sad1 twice in succession, if twice in succession after obtaining commencing signal Ss acquisition by with
The light modulation indication signal Sad2 that the combination of different " 1 " and " 0 " indication signal Sad1 is constituted is dimmed, then is judged as being dimmed
Indication signal Sad1 and light modulation indication signal Sad2.
Then, with reference to Fig. 6, specifically the control mode of lighting device 1 is illustrated.
As shown in fig. 6, in step s 110, the bidirectional triode thyristor control unit 7 of the light adjusting and controlling device 2 of lighting device 1 is used
In judging whether that the operation portion 3 from light adjusting and controlling device 2 obtains operation signal Sm.
As a result, in the case where being judged as obtaining operation signal Sm from operation portion 3, bidirectional triode thyristor control unit 7 from
Step S110 is transitioned into step S120.
In addition, in the case where being judged as there is no operation signal Sm from operation portion 3, bidirectional triode thyristor control unit 7 from
Step S110 is transitioned into step S140.
In the step s 120, the bidirectional triode thyristor control unit 7 of light adjusting and controlling device 2, based on the operation signal Sm obtained
It generates bidirectional triode thyristor and controls signal St, and step S130 is transitioned into from step S120.
In step s 130, the bidirectional triode thyristor control unit 7 of light adjusting and controlling device 2, based on the bidirectional triode thyristor generated
Signal St is controlled, the part missing of defined single waveform is made by bidirectional triode thyristor 5 and via bidirectional triode thyristor driver 6
And light modulation indication signal Sad is generated, and it is transitioned into step S140 from step S130.
In step S140, the rectangular wave converter section 12 of the LED drive device 8 of lighting device 1 is obtained via power line Pl
Single waveform including the light modulation indication signal Sad that light adjusting and controlling device 2 is generated, by the list including dimming indication signal Sad
A waveform is converted into rectangular wave, and is transitioned into step S150 from step S140.
In step S150, the operational part 16 of LED drive device 8 is obtained including converted light modulation indication signal Sad
Rectangular wave, and it is based on the least unit that rectangular wave (pulse) is converted into information by firing time (pulse width), i.e. 1bit signals
" 1 " or " 0 ", and it is transitioned into step S160 from step S150.
In step S160, the operational part 16 of LED drive device 8, for judging the signal based on the rectangular wave obtained
Whether continuously more than regulation number (in the present embodiment, e.g. " five ") it is " 0 ".
As a result, being judged as the continuous stipulated number of the signal based on the rectangular wave obtained from rectangular wave converter section 12 or more
In the case of " 0 ", " 0 " signal identification more than continuous regulation number is marking signal by operational part 16, and from step S160
It is transitioned into step S170.
On the other hand, it is being judged as that the signal based on the rectangular wave obtained from rectangular wave converter section 12 is not continuously to provide
In the case of more than number being " 0 ", operational part 16 is transitioned into step S110 from step S160.
In addition, marking signal is set as " 5bit " in the present embodiment, but not limited to this, at least light modulation instruction letter
It is more than the bit numbers of number Sad.It for marking signal, with bit numbers are increased, detects mistake and reduces, therefore LED driving dresses
Setting the possibility of 8 error running reduces.But since the operational part of LED drive device 8 16 reads the data of marking signal
Time is elongated, it is therefore preferable that by marking signal be set as with it is more than the identical number of the light modulation bit numbers of indication signal Sad or its
Approximation.In addition, marking signal is made of " 0 " more than continuous regulation number in the present embodiment, but do not limit
It, can also be by continuously providing that " 1 " of number or more is constituted in this.It can be by making value of the marking signal at least with commencing signal Ss
Difference distinguishes marking signal and commencing signal Ss.To, when by marking signal by continuously providing " 1 " structure of number or more
Cheng Shi, commencing signal Ss are configured to " 0 ".
In step S170, the operational part 16 of LED drive device 8 is for judging, if continuously obtains and is obtained
Dim the identical light modulation indication signal Sad of indication signal Sad.
As a result, being judged as that the light modulation indication signal Sad for continuously obtaining with being obtained from rectangular wave converter section 12 is identical
Light modulation indication signal Sad in the case of, operational part 16 is transitioned into step S180 from step S170.
In addition, be judged as without continuously obtain it is identical as the light modulation indication signal Sad obtained from rectangular wave converter section 12
Light modulation indication signal Sad in the case of, operational part 16 is transitioned into step S110 from step S170.
In step S180, the operational part 16 of LED drive device 8 is based on light modulation indication signal Sad from light modulation catalogue storage
Portion 13 obtains dimming ratio information Sa, and is transitioned into step S190 from step S180.
In step S190, the operational part 16 of LED drive device 8 is calculated from the dimming ratio information Sa obtained to LED moulds
The current value that block 17 is supplied, and generate and generate information Sp about the current controling signal of the current value, and from step S190 transition
To step S200.
In step s 200, the current controling signal generated is generated information Sp and passed by the operational part 16 of LED drive device 8
Step S110 is returned to current controling signal generating unit 14, and from step S200.
By this structure, for the lighting device 1 of an embodiment, the operational part 16 of LED drive device 8 can be through
The light modulation indication signal Sad generated in light adjusting and controlling device 2 is obtained by power line Pl.Further, lighting device 1 can fit
Locality judges whether the signal based on the single waveform obtained via power line Pl is light modulation indication signal Sad.
Then, with reference to Fig. 7, the lighting device 18 of the second embodiment of lighting device of the present invention is illustrated.In addition,
In following embodiment, for it is stated that the identical part of embodiment, omit it and illustrate, with different portions
It is divided into center to illustrate.
As shown in Fig. 7 (a), the lighting device 18 of the second embodiment of lighting device of the present invention is with single brightness adjustment control
The mode that device 2 controls multiple LED drive devices is constituted.Lighting device 18 has light adjusting and controlling device 2, the first LED driving dresses
Set 8X, the second LED drive device 8Y, the first LED module 17X and the second LED module 17Y.In addition, in the present embodiment, just
For lighting device 18, two LED modules are controlled by light adjusting and controlling device 2, but not limited to this.
For lighting device 18, AC power Acc is connect with light adjusting and controlling device 2.Moreover, with regard to lighting device 18 and
Speech, light adjusting and controlling device 2 are connect with the first LED drive device 8X, the first LED module 17X successively via power line Pl.Further
Ground, for lighting device 18, the first LED drive device 8X via power line Pl successively with the second LED drive device 8Y, second
LED module 17Y connections.That is, for lighting device 18, the power line Pl and the first LED drive device 8X of light adjusting and controlling device 2
It is coupled in series with the second LED drive device 8Y.
For lighting device 18, the alternating current from AC power Acc is filled via power line Pl to brightness adjustment control
After setting 2 supplies, to the first LED drive device 8X supplies.Further, for lighting device 18, alternating current not only from
First LED drive device 8X drives to the first LED module 17X supplies from the first LED drive device 8X via the 2nd LED
Dynamic device 8Y is supplied to the second LED module 17Y.In addition, for lighting device 18, the light modulation from light adjusting and controlling device 2 refers to
Show signal Sad via power line Pl, to the first LED drive device 8X and the second LED drive device 8Y outputs.Therefore, illumination dress
18 are set It is not necessary to as existing lighting device 100, by the light modulation indication signal Sad from light adjusting and controlling device 2 so that
It is exported to the first LED drive device 8X and the second LED drive device 8Y (with reference to Fig. 7 (b)) with the mode of signal wire Sl.That is, according to
Bright device 18 only can use power line Pl to control multiple LED drive devices by single light adjusting and controlling device 2.
Then, with reference to Fig. 8, the electric line communication system 19 of an embodiment of electric line communication system of the present invention is carried out
Explanation.In addition, in following embodiment, for it is stated that the identical part of embodiment, omit it and illustrate,
It is illustrated centered on different parts.
For electric line communication system 19, signal is sent using the alternating current to circulate in power line Pl.Power line
Communication system 19 is constituted by a manner of power line Pl connection signals generating means 20 and rectangular wave conversion equipment 21.
Signal generating apparatus 20 as waveform missing unit makes the voltage wave of alternating current based on from external operation
A part for shape lacks and generates control signal.Signal generating apparatus 20 include zero passage detection portion 4, bidirectional triode thyristor 5, it is two-way can
Control silicon driver 6 and bidirectional triode thyristor control unit 7 (with reference to Fig. 2).In addition, in the present embodiment, in order to make alternating current
A part for voltage waveform lacks and uses bidirectional triode thyristor 5, and but not limited to this.For signal generating apparatus 20,
Bidirectional triode thyristor 5 by with power line Pl it is concatenated in a manner of be arranged.
As the rectangular wave conversion equipment 21 of converting unit, rectangular wave is generated from the voltage waveform of alternating current.Rectangular wave
Conversion equipment 21 can obtain the voltage waveform for the alternating current for flowing to power line Pl.Rectangular wave conversion equipment 21 can will be with friendship
In the voltage waveform of the single waveform of galvanic electricity stream or the corresponding DC current of single waveform of the alternating current before conversion, missing
The single waveform of a part and the single waveform not lacked are converted into rectangular wave respectively.
For the electric line communication system 19 of this structure, the operating device 23 and signal generating apparatus of motor device 22
20 connections, rectangular wave conversion equipment 21 are connect with motor device 22.Electric line communication system 19 is based on from operating device 23
Operation signal Sm makes a part for the voltage waveform of alternating current lack and generate control signal.Also, electric line communication system
19 supply alternating current via power line Pl to motor device 22, and control signal is included in alternating current and is sent.
The control signal being made of voltage waveform rectangular wave conversion equipment 21 is converted into rectangular wave by electric line communication system 19,
And it is exported to motor device 22.
By this structure, for the electric line communication system 19 of an embodiment, from the operating device 23 connected
The control signal of input is converted into the signal constituted using voltage waveform, and is sent via power line Pl.Thereby, it is possible to be not required to
It wants complicated wiring and sends signal to motor device 22.
Claims (5)
1. a kind of lighting device, has：The driving device of light source described in light source, the lighting driving controls the driving device
Control device,
The wherein described control device makes the part missing in the voltage waveform of the half period of alternating current and is filled to the driving
Set supply, which is characterized in that
If the driving device continuously obtains the signal based on the voltage waveform not lacked of stipulated number or more, know
Not Wei marking signal, if later obtain based on lacked a part the voltage waveform signal, by this be based on missing
The signal identification of the voltage waveform of a part is commencing signal,
If alternatively, the driving device continuously obtain stipulated number or more based on the voltage waveform for having lacked a part
Signal is then identified as marking signal, if obtaining the signal based on the voltage waveform not lacked later, this is based on
The signal identification for the voltage waveform not lacked be commencing signal, the driving device identify the commencing signal it
Afterwards, if continuously obtaining the combination based on the voltage waveform and the voltage waveform not lacked for having lacked a part of stipulated number
Signal is then judged as obtaining light modulation indication signal.
2. lighting device according to claim 1, which is characterized in that
After obtaining the light modulation indication signal, if then the commencing signal continuously obtain stipulated number based on lacking
The signal of the combination of the voltage waveform and the voltage waveform not lacked of a part is then judged as obtaining new light modulation instruction letter
Number.
3. a kind of lighting device, has：The driving device of light source described in light source, the lighting driving controls the driving device
Control device,
The alternating current supplied by power line is converted to DC current and to the driving device by the wherein described control device
Supply, which is characterized in that
The control device that unit is lacked as waveform, makes the electricity of the half period of the alternating current supplied from the power line
Part missing in corrugating；
The driving device has converting unit and control unit,
The converting unit is used to obtain the voltage waveform of the alternating current from the power line or be converted by alternating current
The voltage waveform of the DC current afterwards, and the friendship before the voltage waveform of the half period with alternating current or conversion
In the voltage waveform of the corresponding DC current of voltage waveform of the half period of galvanic electricity stream, the voltage wave of a part will have been lacked
Shape and the voltage waveform not lacked are converted into different rectangular waves respectively,
Described control unit, if from the converting unit continuously obtain stipulated number or more based on the electricity not lacked
The signal of corrugating, then be identified as marking signal, if obtaining the letter based on the voltage waveform for having lacked a part later
Number, then it is commencing signal by the signal identification based on the voltage waveform for having lacked a part, if alternatively, from converting unit
The continuous signal based on the voltage waveform for having lacked a part for obtaining stipulated number or more, then be identified as marking signal,
If obtaining the signal based on the voltage waveform not lacked later, by this based on the voltage waveform not lacked
Signal identification be commencing signal, after identifying the commencing signal and then, if continuously obtain stipulated number based on
The signal for having lacked the combination of the voltage waveform and the voltage waveform not lacked of a part is then judged as obtaining light modulation instruction
Signal, and selectively determine a tune in the forms of multiple light modulation values based on the single or multiple light modulation indication signals
The form of light value, and generate current controling signal.
4. lighting device according to claim 3, which is characterized in that
After obtaining the light modulation indication signal, if then the commencing signal continuously obtain stipulated number based on lacking
The signal of the combination of the voltage waveform and the voltage waveform not lacked of a part is then judged as obtaining new light modulation instruction letter
Number.
5. a kind of electric line communication system, be the alternating current for making to flow to power line voltage waveform in a part lack
It loses, and supplies alternating current and send the electric line communication system of signal, which is characterized in that
The electric line communication system has：
Waveform lacks unit, is used to make to flow to the part in the voltage waveform of the half period of the alternating current of the power line
Missing；And
Converting unit, is used to obtain the voltage waveform of alternating current from the power line, and by the half of the alternating current
Voltage waveform in the voltage waveform in period, having lacked a part and the voltage waveform not lacked are converted into different respectively
Rectangular wave,
Control unit, if from the converting unit continuously obtain stipulated number or more based on the voltage wave not lacked
The signal of shape, then be identified as marking signal, if obtaining the signal based on the voltage waveform for having lacked a part later,
It is commencing signal by the signal identification based on the voltage waveform for having lacked a part, if alternatively, continuous from converting unit
The signal based on the voltage waveform for having lacked a part for obtaining stipulated number or more, then be identified as marking signal, at it
If the signal based on the voltage waveform not lacked is obtained afterwards, by the letter based on the voltage waveform not lacked
Number be identified as commencing signal, after identifying the commencing signal and then, if continuously obtain stipulated number based on missing
The signal of the combination of the voltage waveform and the voltage waveform not lacked of a part is then judged as obtaining light modulation instruction letter
Number, and selectively determine a light modulation in the forms of multiple light modulation values based on the single or multiple light modulation indication signals
The form of value, and generate current controling signal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013248195A JP6315764B2 (en) | 2013-11-29 | 2013-11-29 | LIGHTING DEVICE AND POWERLINE COMMUNICATION SYSTEM FOR TRANSMITTING SIGNALS |
| JP2013-248195 | 2013-11-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104684205A CN104684205A (en) | 2015-06-03 |
| CN104684205B true CN104684205B (en) | 2018-11-09 |
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| CN201410583924.9A Active CN104684205B (en) | 2013-11-29 | 2014-10-27 | Lighting device and electric line communication system for being sent to signal |
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| Country | Link |
|---|---|
| JP (1) | JP6315764B2 (en) |
| KR (1) | KR20150062925A (en) |
| CN (1) | CN104684205B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104955224B (en) * | 2015-06-07 | 2018-11-09 | 中达电通股份有限公司 | Electric power supply control system and method |
| CN105611676B (en) * | 2016-02-26 | 2017-10-31 | 杭州电子科技大学 | A kind of street light modulating system of direct utilization power line transmission signals |
| CN105744673B (en) * | 2016-02-26 | 2017-11-10 | 杭州电子科技大学 | A kind of street lamp for directly utilizing power line reception signal |
| CN105682290B (en) * | 2016-02-26 | 2017-10-31 | 杭州电子科技大学 | A kind of street lamp central controller of direct utilization power line transmission signals |
| EP3578013A4 (en) * | 2017-02-01 | 2021-01-13 | Lionel James Barden | Improvements to monitoring and control of remote lighting sites |
| JP7034796B2 (en) * | 2018-03-28 | 2022-03-14 | コイズミ照明株式会社 | Lighting system |
| JP7349664B2 (en) * | 2019-10-23 | 2023-09-25 | パナソニックＩｐマネジメント株式会社 | Lighting systems, lighting system controllers and luminaires |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07143103A (en) * | 1993-11-19 | 1995-06-02 | Fujikura Ltd | Multiplex transmitter |
| US7391168B1 (en) * | 2005-01-13 | 2008-06-24 | Universal Lighting Technologies, Inc. | Digital control of electronic ballasts using AC power lines as a communication medium |
| CN102869144A (en) * | 2011-07-05 | 2013-01-09 | 深圳尚特绿色能源股份有限公司 | Control circuit for remote LED control and LED control terminal |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5008145B2 (en) * | 2008-02-25 | 2012-08-22 | ユニバーサル ライティング テクノロジーズ， インコーポレイテッド | Digital control of electronic ballast using AC power line as communication medium |
| US8587223B2 (en) * | 2010-10-19 | 2013-11-19 | General Electric Company | Power line communication method and apparatus for lighting control |
-
2013
- 2013-11-29 JP JP2013248195A patent/JP6315764B2/en active Active
-
2014
- 2014-09-15 KR KR1020140121890A patent/KR20150062925A/en not_active Application Discontinuation
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07143103A (en) * | 1993-11-19 | 1995-06-02 | Fujikura Ltd | Multiplex transmitter |
| US7391168B1 (en) * | 2005-01-13 | 2008-06-24 | Universal Lighting Technologies, Inc. | Digital control of electronic ballasts using AC power lines as a communication medium |
| CN102869144A (en) * | 2011-07-05 | 2013-01-09 | 深圳尚特绿色能源股份有限公司 | Control circuit for remote LED control and LED control terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015106828A (en) | 2015-06-08 |
| CN104684205A (en) | 2015-06-03 |
| JP6315764B2 (en) | 2018-04-25 |
| KR20150062925A (en) | 2015-06-08 |
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