CN104684205A - Lighting apparatus and electrical power line-communicating system for transmitting signal thereto - Google Patents
Lighting apparatus and electrical power line-communicating system for transmitting signal thereto Download PDFInfo
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- CN104684205A CN104684205A CN201410583924.9A CN201410583924A CN104684205A CN 104684205 A CN104684205 A CN 104684205A CN 201410583924 A CN201410583924 A CN 201410583924A CN 104684205 A CN104684205 A CN 104684205A
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- voltage waveform
- light modulation
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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 invention provides a lighting apparatus (1) which can restrain the influence of noise without complicated wiring and thus perform light dimming and color matching control and an electrical power line-communicating system (19) used for transmitting a signal thereto. The invention provides the lighting apparatus (1) making one part of the voltage waveform of alternating current missing and providing supply for an LED drive device (8) of a drive apparatus. In the semi-period voltage waveform of the alternating current, a light dimming indication signal (Sad) is formed by combining the voltage waveform with one part missing and the complete voltage waveform; if the LED drive device (8) obtains the same light dimming indication signal (Sad) continuously for a specified number of times through an electrical power line (P1), it is judged that the light dimming indication signal (Sad) is obtained.
Description
Technical field
The present invention relates to a kind of lighting device and the electric line communication system for sending signal to it.
Background technology
In recent years, known to the lighting device of high-brightness LED as illumination light source.With regard to lighting device, the LED unit being connected in series with multiple LED connects with parallel form, and the signal industrial siding using multiple PWM to control etc. carries out light modulation or toning to multiple LED drive device.Such as, as described in patent document 1, which.
Prior art document:
Patent documentation
Patent documentation 1: Japanese Laid-Open 2007-189004 publication
Summary of the invention
The problem that invention will solve
This lighting device supplies alternating current by power line, and is sent the control signal being used for PWM and controlling by holding wire.That is, the lighting device described in patent documentation 1, when carrying out light modulation or toning by wired operating means, need to configure multiple power line and multiple holding wire, therefore wiring operation becomes numerous and diverse.
In addition, when being provided with multiple lighting device, as the unit when light modulation requiring while and in the same manner desired by setting lighting device or toning, can be wire communication, infrared communication, radio communication or High-Speed Power Line Communication.In ultrared situation, based on the shortcoming arriving distance, multiple stage lighting device is difficult to synchronously.In the case of wireless communication, signal diffuses to next door or undesirable scope, therefore needs the numerous and diverse setting operation for preventing radio interference.Thus, infrared communication or radio communication are difficult to be applied to general ligthing paraphernalia, and in power line communication at a high speed, the high-frequency signal except general electric power signal is made to coincide with power line, in distribution board, needing the equipment etc. for preventing high-frequency signal from leaking to next door thus, and making it form maximization.Especially, high transmission circuit is loaded into each ligthing paraphernalia, product can be made to be in bottleneck in price, thus commercialization becomes very difficult.
The present invention proposed in view of above-mentioned problem, its object is to provide a kind of can without the need to numerous and diverse distribution and the impact of restraint speckle, and carry out lighting device that light modulation toning controls and to the electric line communication system sending signal for it.
Solve the method for problem
Lighting device shown in the application be voltage waveform for making alternating current part disappearance and to the lighting device of drive unit supply, in the voltage waveform of the half period of alternating current, based on having lacked a part of voltage waveform and not had the combination of the voltage waveform lacked to form light modulation index signal, if drive unit obtains identical light modulation index signal via the continuous stipulated number of power line, be then judged as obtaining light modulation index signal.
In addition, lighting device described in the application, preferably, if obtain more than the continuous stipulated number of described drive unit based on not disappearance described voltage waveform or lacked any one voltage waveform in the described voltage waveform of a part signal after, obtain based on the described voltage waveform do not lacked or the signal having lacked another voltage waveform in the described voltage waveform of a part, then from voltage waveform subsequently, obtain the voltage waveform forming described light modulation index signal.
In addition, the lighting device described in the application, preferably, based on the not described voltage waveform of disappearance or the described voltage waveform of a disappearance part, the combination of the described voltage waveform of regulation number, form described light modulation index signal.
In addition, lighting device described in the application is the lighting device alternating current supplied by power line being converted to direct current and supplying to drive unit, it possesses: waveform disappearance unit, and it is connected with power line, and the part in the voltage waveform of the half period of alternating current is lacked; Converting unit, it is for obtaining the voltage waveform of the voltage waveform of alternating current or the direct current after being changed by alternating current from power line, and in the voltage waveform of the direct current corresponding at the voltage waveform of the half period of the voltage waveform of the half period with alternating current or the alternating current before changing, will a part of voltage waveform be lacked and not have the voltage waveform lacked to convert different square waves respectively to; And control unit, if it obtains by the combination of the square wave suitable with lacking a part of voltage waveform and the square wave corresponding with the voltage waveform not having to lack and the light modulation index signal that forms from the continuous stipulated number of converting unit, then be judged as obtaining light modulation index signal, and optionally determine the form of a light modulation value in the form of multiple light modulation value based on single or multiple light modulation index signal, and generate current controling signal.
In addition, electric line communication system described in the application is the part disappearance of the voltage waveform of alternating current for making to flow to power line and supplies alternating current, and send the electric line communication system of signal, it possesses: waveform disappearance unit, and it lacks for making the part in the voltage waveform of the half period of the alternating current flowing to power line; And converting unit, it is for obtaining the voltage waveform of alternating current from power line, and by the voltage waveform of the half period of alternating current, lacked a part of voltage waveform and do not have lack voltage waveform convert different square waves respectively to.
The effect of invention
As effect of the present invention, play effect as described below.
In the present invention, drive unit obtains the light modulation index signal utilizing voltage waveform to form via power line.In addition, formal light modulation index signal is suitably determined whether according to the acquisition form of light modulation index signal.Thereby, it is possible to without the need to numerous and diverse distribution and the impact of restraint speckle, carry out light modulation toning and control.
In addition, in the present invention, the signal utilizing voltage waveform to form is sent via power line.Thereby, it is possible to signal can be sent to motor device without the need to numerous and diverse distribution.
Accompanying drawing explanation
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 oscillogram of the alternating voltage of the light adjusting and controlling device that the lighting device putting on first embodiment of the invention is shown; B () illustrates in equal illumination device, from the oscillogram of the bidirectional triode thyristor control signal that bidirectional triode thyristor control part exports; C () illustrates in equal illumination device, from the oscillogram of the alternating voltage that light adjusting and controlling device applies to lighting device (LED drive device); D () illustrates in equal illumination device, from the oscillogram of the light modulation index signal (square wave) that square wave converter section exports.
Fig. 5 is the concept map of the structure of the light modulation index signal illustrated in the lighting device of first embodiment of the invention.
Fig. 6 is the flow chart of the control form of the lighting device that first embodiment of the invention is shown.
Fig. 7 (a) is the schematic diagram of the lighting device of second embodiment of the invention; Fig. 7 (b) is the schematic configuration diagram of existing lighting device.
Fig. 8 is the schematic configuration diagram of electric line communication system of the present invention.
Description of reference numerals
1 lighting device
8 LED drive device
18 electric line communication systems
Sad light modulation index signal
Pl power line
Embodiment
First, with reference to Fig. 1-Fig. 3, the lighting device 1 of the first embodiment of lighting device 1 of the present invention is described.In the present embodiment, lighting device 1 possesses the mutually different multiple LED of colour temperature.Lighting device 1 is the lighting device 1 that can be controlled light modulation and toning by the brightness adjustment control of multiple LED, but is not limited to this.
As shown in Figure 1, lighting device 1 is using the lighting device 1 of LED as light source.Lighting device 1 possesses light adjusting and controlling device 2, LED drive device 8 and LED module 17.In lighting device 1, connect light adjusting and controlling device 2 and LED drive device 8 with power line Pl.
As shown in Figure 2, as the light adjusting and controlling device 2 of waveform disappearance unit, generate the light modulation index signal Sad about light modulation and toning based on the operation from outside.That is, light adjusting and controlling device 2 generates light modulation index signal Sad for the brightness or tone that convert LED module 17 based on the operation of user.Light adjusting and controlling device 2 comprises operating portion 3, zero passage (zero-cross) test section 4, bidirectional triode thyristor 5, bidirectional triode thyristor driver 6 and bidirectional triode thyristor control part 7.In addition, in the present embodiment, in order to make a part for the voltage waveform of alternating current lack, have employed bidirectional triode thyristor 5, but being not limited thereto.
Operating portion 3 is for receiving the control content about lighting device 1 from outside input.In addition, the current setting of operating portion 3 display illumination device 1.Specifically, the operating unit about the On/Off (ON/OFF) of lighting device 1 and the operating unit about light modulation and toning is at least provided with at operating portion 3.Operating portion 3 can be made up of switch or adjusting knob, also can be the structure showing button etc. at touch panel etc.Operating portion 3 can based on the operation generating run signal Sm from outside.In addition, operating portion 3 can show the state of current light modulation and toning by liquid crystal indicator etc.
Zero passage detection portion 4 becomes the moment of 0V for detecting alternating voltage.Zero passage detection portion 4 is connected with power line Pl, and the voltage that can detect the alternating current flowing to power line Pl becomes the moment of 0V.
Bidirectional triode thyristor 5 is the thyristors with three terminals, can make current direction both direction.Specifically, bidirectional triode thyristor 5, coordinates the phase place of alternating current and the conducting direction of switch current, can make thus alternating current only at any time in conducting.That is, bidirectional triode thyristor 5 can make a part for the voltage waveform of alternating current lack.The gate terminal G of bidirectional triode thyristor 5 is connected with bidirectional triode thyristor driver 6.In addition, with regard to bidirectional triode thyristor 5, T1 terminal is connected with AC power Acc via power line Pl, and T2 terminal is connected with LED drive device 8 via power line Pl.That is, bidirectional triode thyristor 5 is arranged with cascade with the power line Pl of supply alternating current.
Bidirectional triode thyristor driver 6 generates trigger impulse and exports to bidirectional triode thyristor 5.Bidirectional triode thyristor driver 6 is connected with the gate terminal G of bidirectional triode thyristor 5.Bidirectional triode thyristor driver 6 based on the bidirectional triode thyristor control signal St from bidirectional triode thyristor control part 7, can export trigger impulse with the moment specified (timing) to the gate terminal G of bidirectional triode thyristor 5.
Bidirectional triode thyristor control part 7 for determining the turn on period of bidirectional triode thyristor 5, and controls bidirectional triode thyristor driver 6.Bidirectional triode thyristor control part 7 based on the operation signal Sm about light modulation and toning from operating portion 3, can generate the bidirectional triode thyristor control signal St exported to bidirectional triode thyristor driver 6.Bidirectional triode thyristor control part 7 is formed as follows: if obtain the detection signal Sz from zero passage detection portion 4, then exported to bidirectional triode thyristor driver 6 by generated bidirectional triode thyristor control signal St.Namely, bidirectional triode thyristor control part 7 can control as follows: the part that the alternating voltage of alternating current is become in the voltage waveform (below, referred to as " single waveform ") of the half period of 0V alternating current subsequently lacks (with reference to Fig. 4) with the ratio of regulation.
Bidirectional triode thyristor control part 7 is connected with operating portion 3, and can obtain the operation signal Sm about light modulation and toning from operating portion 3.In addition, bidirectional triode thyristor control part 7, based on operation signal Sm, can show current light modulation and toning state at operating portion 3.
Bidirectional triode thyristor control part 7 is connected with zero passage detection portion 4, can obtain the detection signal Sz that the alternating voltage detected in zero passage detection portion 4 becomes the moment of 0V.
Bidirectional triode thyristor control part 7 is connected with bidirectional triode thyristor driver 6, if obtain detection signal Sz from zero passage detection portion 4, then the bidirectional triode thyristor control signal St generated based on the operation signal Sm obtained from operating portion 3 can be exported to bidirectional triode thyristor driver 6.
As shown in Figure 3, LED drive device 8 is the drive units for supplying electric current I to LED module 17.LED drive device 8 possesses: DC/DC transducer 9; Resistance Ra, Rb; And control circuit 11.
Resistance Ra, Rb are for setting electric current I a, Ib, and this electric current I a, Ib flow to the LED unit 17a, the 17b that form LED module 17.The side of resistance Ra, Rb is connected with the LED unit 17a, the 17b that are formed with parallel form respectively.The opposite side of resistance Ra, Rb via resistance R0 ground connection, and is connected with DC/DC transducer 9.That is, by the resistance value of resistance Ra, Rb is set as arbitrary value, can determine to flow to LED unit 17a, the electric current I a of 17b, Ib.In addition, resistance R1, R2 is used for electric current I a, Ib to be converted to voltage Va, Vb.
Electric current I exports with the control form of regulation by DC/DC transducer 9.The input terminal of DC/DC transducer 9 is connected with power line Pl via bridge circuit 10.That is, inputted to DC/DC transducer 9 by bridge circuit 10 by the direct current that alternating current is converted.Direct current from input terminal supply can be converted to arbitrary current value by DC/DC transducer 9, and can by the direct current after conversion, and namely electric current I exports from lead-out terminal.In addition, DC/DC transducer 9 based on the dim signal Sc from control circuit 11, can control the electric current I exported.In addition, as an example of dim signal Sc, PWM dim signal is had.
DC/DC transducer 9 the mode that voltage V receives as feedback signal Sf can be formed, wherein voltage V be in order to make electric current I a, voltage Va that Ib flows to resistance Ra, Rb and applies and voltage Vb sum.The electric current I exported based on feedback signal Sf can be maintained the value of regulation by DC/DC transducer 9.That is, DC/DC transducer 9 can supply electric current I by Given current controller to LED module 17.
As the control circuit 11 of control unit for control DC/DC transducer 9.Control circuit 11 is such as made up of microcomputer.Control circuit 11 possesses square wave converter section 12, light modulation catalogue (table) storage part 13, current controling signal generating unit 14, voltage detection department 15 and operational part 16.
As converting unit square wave converter section 12 for from form light modulation index signal Sad alternating current voltage waveform or generate square wave from the voltage waveform by the converted direct current of alternating current.Square wave converter section 12 is connected with the input side of bridge circuit 10 or the power line Pl of outlet side, and can obtain and flow to the alternating current of power line Pl or the voltage waveform of direct current.In the present embodiment, square wave converter section 12 is connected with the power line Pl of the outlet side of bridge circuit 10.
With regard to square wave converter section 12, can by the voltage waveform of the direct current corresponding from the single waveform of the single waveform of alternating current or the alternating current before changing, the single waveform that lacked a part and the single waveform that do not lack convert different square waves respectively to.Now, with regard to square wave converter section 12, when the miss ratio of the single waveform lacking a part is more than the requirement ratio of setting arbitrarily, be judged as YES the single waveform that a part has lacked.Thus, even if square wave converter section 12 is in the environment that the impact of noise is large, the impact of noise also can be reduced by setting large miss ratio.Square wave converter section 12 can export square wave to operational part 16.
Light modulation catalogue storage part 13 is for storing dimming ratio information Sa.Light modulation catalogue storage part 13 is made up of a part for the storage area of the memory (such as flash memory or EEPROM) in control circuit 11.Be previously stored with dimming ratio information Sa in light modulation catalogue storage part 13, this dimming ratio information Sa is the information relevant with toning rate to the dimming ratio of the LED module 17 set with each light modulation index signal Sad.Dimming ratio information Sa can export to operational part 16 by light modulation catalogue storage part 13.
Current controling signal generating unit 14 generates dim signal Sc based on the current controling signal information generated Sp from operational part 16.Generated dim signal Sc can export to DC/DC transducer 9 by current controling signal generating unit 14.In addition, as an example of current controling signal information generated Sp, pwm signal information generated is had.
Voltage detection department 15 is for detecting the voltage V putting on LED module 17.Voltage detection department 15 is formed with parallel form with the LED module 17 being connected to LED drive device 8.Specifically, the anode-side of voltage detection department 15 and the LED unit 17a in LED module 17,17b and cathode side are connected.Voltage detection department 15 is for detecting the voltage V putting on LED module 17 at regular intervals.Detected voltage V can be converted to digital signal Vd and be exported to operational part 16 by this digital signal Vd by voltage detection department 15.In addition, voltage detection department 15 can be export the structure of the digital signal Vd of the voltage V detected to operational part 16 at any time, or also can be to the structure that operational part 16 exports according to the requirement from operational part 16.In addition, voltage detection department 15 also can be the structure replacing digital signal Vd and analog signal exported to operational part 16.
Operational part 16 is for calculating the electric current I value of supplying to LED module 17.Operational part 16 based on the square wave from square wave converter section 12, can obtain dimming ratio information Sa from light modulation catalogue storage part 13.Operational part 16, can calculate the current value supplied to LED module 17 based on obtained dimming ratio information Sa, and generates the current controling signal information generated Sp about this current value.Current controling signal information generated Sp is such as digital signal.In addition, operational part 16 is for judging the state of LED module 17.Operational part 16 can obtain the digital signal Vd of voltage V at regular intervals from voltage detection department 15.Operational part 16 can carry out false judgment based on obtained digital signal Vd.
Operational part 16 is connected with square wave converter section 12, and can obtain the light modulation index signal Sad being converted to square wave by square wave converter section 12.
Operational part 16 is connected with light modulation catalogue storage part 13, and can obtain the dimming ratio information Sa that light modulation catalogue storage part 13 stores.
Operational part 16 is connected with current controling signal generating unit 14, and can to current controling signal generating unit 14 output current control signal information generated Sp.
Operational part 16 is connected with voltage detection department 15, and can obtain digital signal Vd that voltage detection department 15 detects, that put on the voltage of LED module 17.
Current controling signal generating unit 14 is connected with DC/DC transducer 9, and can export dim signal Sc to DC/DC transducer 9.
LED module 17 is the light sources connecting multiple LED and form.LED module 17 is formed as follows: the LED unit 17a, the 17b that are connected in series with more than one LED connect with parallel form.The mode that the colour temperature of the LED that the LED module 17 in the present embodiment possesses with LED unit 17a is different with the colour temperature of the LED that LED unit 17b possesses is formed.
Such as, in LED module 17, the colour temperature of the LED possessed by LED unit 17a is set to 5000 Kelvins, and the colour temperature of the LED possessed by LED unit 17b is set to 2500 Kelvins.Thus, LED module 17 by adjusting the luminosity of LED unit 17a and the luminosity of LED unit 17b independently of one another, can change the integral color (toning controls) of LED module 17; In addition, LED module 17 by adjusting the luminosity of LED unit 17a and 17b when the integral color of LED module 17 keeps fixing, can carry out brightness adjustment control.In addition, non-essential carry out toning control, only carry out brightness adjustment control by the LED making LED unit 17a and 17b possess identical colour temperature and be also fine.
With regard to LED module 17, LED unit 17a, 17b can actual load on the same substrate, also can actual load on substrate different from each other.In addition, in the present embodiment, LED module 17 is made up of LED unit 17a and LED unit 17b, but is not limited to this, just can as long as be made up of more than one LED unit.
LED module 17 is connected with LED drive device 8.Specifically, the formation LED unit 17a of LED module 17, the anode-side terminal of 17b are connected with the lead-out terminal of DC/DC transducer 9.In addition, the cathode side terminal of LED unit 17a, 17b is connected with resistance Ra, Rb respectively.Thus, LED module 17 determines to flow to LED unit 17a, the electric current I a of 17b, Ib based on the resistance value of resistance Ra, Rb.
Below, with reference to Fig. 1-Fig. 3, the light adjusting and controlling device 2 of the lighting device 1 of first embodiment of the invention and the control mode of LED drive device 8 are described.
With regard to the light adjusting and controlling device 2 of lighting device 1, bidirectional triode thyristor control part 7, based on the operation signal Sm from operating portion 3, generates bidirectional triode thyristor control signal St.Light adjusting and controlling device 2 generates light modulation index signal Sad based on bidirectional triode thyristor control signal St, and wherein light modulation index signal Sad is by the single waveform making the part in the single waveform of alternating current lack by bidirectional triode thyristor 5 and do not have the combination of the single waveform of disappearance to form.
With regard to the LED drive device 8 of lighting device 1, the square wave converter section 12 of control circuit 11 obtains from power line Pl light modulation index signal Sad that light adjusting and controlling device 2 generates and converts thereof into square wave.With regard to LED drive device 8, in operational part 16, obtain the light modulation index signal Sad converting square wave to.Operational part 16, based on obtained light modulation index signal Sad, obtains dimming ratio information Sa from light modulation catalogue storage part 13.Operational part 16 for generating current controling signal information generated Sp, and is transmitted to current controling signal generating unit 14.
Current controling signal generating unit 14 generates dim signal Sc based on obtained current controling signal information generated Sp.Current controling signal generating unit 14 is transmitted for generated dim signal Sc is transmitted to DC/DC transducer 9.DC/DC transducer 9 supplies electric current I based on received dim signal Sc to LED module 17.
The electric current I of being supplied by DC/DC transducer 9 is supplied to LED module 17.Electric current I is split into electric current I a, Ib with the shunting ratio determined by each resistance value of resistance Ra, Rb.Electric current I a, Ib flow to LED unit 17a, the 17b of LED module 17 respectively.With regard to LED unit 17a, 17b, if supply electric current I a, Ib, then each LED carries out lighting with the brightness corresponding with electric current I a or current Ib.
DC/DC transducer 9 the mode that voltage V receives as feedback signal Sf can be formed, wherein voltage V be in order to make electric current I a, voltage Va that Ib flows to resistance Ra, Rb and applies and voltage Vb sum.The electric current I exported based on obtained feedback signal Sf controls in fixed current value by DC/DC transducer 9.
At this, with reference to Fig. 4, the light modulation index signal Sad generated by light adjusting and controlling device 2 is specifically described.In Fig. 4, (a) is the alternating voltage putting on light adjusting and controlling device 2.In Fig. 4, (b) is the bidirectional triode thyristor control signal St exported from bidirectional triode thyristor control part 7.In Fig. 4, (c) is the alternating voltage putting on lighting device 1 (LED drive device 8) from light adjusting and controlling device 2.In Fig. 4, (d) is the light modulation index signal Sad (square wave) exported from square wave converter section 12.
Light modulation index signal Sad is made up of multiple single waveform.Specifically, the combination of the single waveform of light modulation index signal Sad part by the disappearance in single waveform and the not single waveform of disappearance is formed.That is, light modulation index signal Sad utilizes alternating voltage ((a) with reference in Fig. 4) and generates, and exports via the LED drive device 8 of power line Pl to lighting device 1 together with alternating current.In addition, in the present embodiment, formed light modulation index signal Sad using five single waveforms as one group, but be not limited to this.
The single waveform having lacked a part forms as follows: using alternating voltage be moment of 0V (zero passage place) as benchmark, by bidirectional triode thyristor 5, a part for first half in waveform phase is lacked based on bidirectional triode thyristor control signal St ((b) with reference in Fig. 4) and generates ((c) with reference in Fig. 4).Thus, with regard to light modulation index signal Sad, even if in the environment that the impact of noise is large, the benchmark that can be started by setting disappearance reduces the impact of noise.In addition, in the present embodiment, the single waveform having lacked a part is the part of 0V (zero passage place) lacking first half as benchmark constantly using alternating voltage, but is not limited thereto, and also can be the moment being 0V using alternating voltage lack a later half part as benchmark.
Light modulation index signal Sad uses the single waveform of part disappearance at this boundary.Namely, light modulation index signal Sad is generated by such as under type: using the single waveform lacking a part as obtain the commencing signal Ss of light modulation index signal Sad, and by such as, generating with regulation number (in the present embodiment, being " five ") the single waveform of continuous print from this single waveform.In the present embodiment, to be formed light modulation index signal Sad from commencing signal Ss continuous print five single waveforms as one group, but this is not limited to.
And light modulation index signal Sad such as, exports continuously with stipulated number (in the present embodiment, being " twice ").That is, with regard to light modulation index signal Sad, the combination of commencing signal Ss and light modulation index signal Sad exports continuously with stipulated number.In the present embodiment, the combination of commencing signal Ss and light modulation index signal Sad exports continuously with twice, but is not limited to this.
Then, with reference to Fig. 3-Fig. 5, specifically the processing mode of the light modulation index signal Sad in LED drive device 8 is described.
As shown in Figure 3, with regard to LED drive device 8, obtain single waveform from power line Pl, and in square wave converter section 12, lacked the single waveform of a part and do not have the single waveform of disappearance to convert different square waves respectively to.Specifically, as shown in (d) in Fig. 4, LED drive device 8, is compared to firing time (pulse duration) A of the square wave (pulse) for the single waveform lacking a part and does not have the longer mode of the firing time B of the square wave of the single waveform of disappearance to generate square wave in square wave converter section 12.The square wave generated by square wave converter section 12 is exported to operational part 16 by LED drive device 8.
LED drive device 8 is for obtaining the square wave generated by square wave converter section 12 at operational part 16.The square wave of acquisition is identified as the least unit of information by LED drive device 8, i.e. the signal of 1bit.Specifically, with regard to LED drive device 8, in operational part 16, the square wave that firing time is long is identified as " 1 ", square wave short for firing time is identified as " 0 ".That is, light modulation index signal Sad is formed as the numeric data code combined of " 1 " and " 0 " by regulation number.In the present embodiment, light modulation index signal Sad is formed as the numeric data code of 5bit, but is not limited to this.
As shown in Figure 5, with regard to LED drive device 8, if operational part 16 is obtaining regulation number (in the present embodiment continuously, such as " five ") more than " 0 " after obtain " 1 ", then " 1 " is identified as the commencing signal Ss of light modulation index signal Sad, such as, and the bit (in the present embodiment, being " 5bit ") be identified as by continuing the regulation number obtained subsequently forms light modulation index signal Sad.
Further, with regard to LED drive device 8, if operational part 16 such as, obtains the light modulation index signal Sad be made up of the combination of identical " 1 " and " 0 " continuously with stipulated number (in the present embodiment, being " twice "), be then judged as obtaining light modulation index signal Sad.Specifically, with regard to LED drive device 8, operational part 16, after obtaining " 1 " as commencing signal Ss, then obtains the combination of " 1 " and " 0 " such as, be made up of regulation number (in the present embodiment, being " five ").Further, with regard to LED drive device 8, the combination of " 1 " and " 0 " if of the regulation number that operational part 16 then obtains after obtaining next " 1 " as commencing signal Ss with obtain before be identical, be then judged as obtaining light modulation index signal Sad.
Such as, in example as shown in Figure 5, " 1 " that operational part 16 obtains after " 0 " of 5bit by LED drive device 8 is judged as commencing signal Ss.And, with regard to LED drive device 8, operational part 16 makes " 1 " 5bit value (numeric data code) " 01110 " subsequently, neat as " 1 " and 5bit value (numeric data code) " 01110 " continuum of next commencing signal Ss as commencing signal Ss, when the numeric data code of initial 5bit is consistent with the numeric data code of next 5bit further, be judged as obtaining light modulation index signal Sad1 " 01110 ".In the present embodiment, with regard to LED drive device 8, if the like combinations that double acquisition is made up of 5bit signal, be then judged as obtaining light modulation index signal Sad, but be not limited thereto.
With regard to LED drive device 8, after operational part 16 obtains light modulation index signal Sad continuously with stipulated number, if obtain and combine by " 1 " and " 0 " different from the combination of " 1 " and " 0 " that forms the light modulation index signal Sad first obtained the light modulation index signal Sad formed, be then judged as obtaining new light modulation index signal Sad.Specifically, with regard to LED drive device 8, after operational part 16 double acquisition light modulation index signal Sad1, after acquisition commencing signal Ss, obtain the light modulation index signal Sad2 be made up of the combination of different from light modulation index signal Sad1 " 1 " and " 0 " if double, be then judged as obtaining light modulation index signal Sad1 and light modulation index signal Sad2.
Then, with reference to Fig. 6, the control mode of concrete illumination apparatus 1 is described.
As shown in Figure 6, in step s 110, the bidirectional triode thyristor control part 7 of the light adjusting and controlling device 2 of lighting device 1, obtains operation signal Sm for judging whether from the operating portion 3 of light adjusting and controlling device 2.
Its result, when being judged as obtaining operation signal Sm from operating portion 3, bidirectional triode thyristor control part 7 is transitioned into step S120 from step S110.
In addition, when being judged as there is no operation signal Sm from operating portion 3, bidirectional triode thyristor control part 7 is transitioned into step S140 from step S110.
In the step s 120, the bidirectional triode thyristor control part 7 of light adjusting and controlling device 2, generates bidirectional triode thyristor control signal St based on obtained operation signal Sm, and is transitioned into step S130 from step S120.
In step s 130, which, the bidirectional triode thyristor control part 7 of light adjusting and controlling device 2, based on generated bidirectional triode thyristor control signal St, make by bidirectional triode thyristor 5 and via bidirectional triode thyristor driver 6 part for the single waveform of regulation lack and generate light modulation index signal Sad, and be transitioned into step S140 from step S130.
In step S140, the square wave converter section 12 of the LED drive device 8 of lighting device 1, the single waveform comprising the light modulation index signal Sad that light adjusting and controlling device 2 generates is obtained via power line Pl, to the orthogonal ripple of single waveform transformation of light modulation index signal Sad be comprised, and be transitioned into step S150 from step S140.
In step S150, the operational part 16 of LED drive device 8, obtain the square wave comprising changed light modulation index signal Sad, and based on firing time (pulse duration), square wave (pulse) is converted to the least unit of information, i.e. 1bit signal " 1 " or " 0 ", and be transitioned into step S160 from step S150.
In step S160, the operational part 16 of LED drive device 8, such as, for judging whether specify that more than number (in the present embodiment, being " five ") is " 0 " continuously based on the signal of obtained square wave.
Its result, when being judged as more than the continuous stipulated number of signal based on the square wave obtained from square wave converter section 12 for " 0 ", " 0 " Signal analysis specifying more than number is continuously marking signal by operational part 16, and is transitioned into step S170 from step S160.
On the other hand, when to be judged as based on the signal of the square wave obtained from square wave converter section 12 be not more than continuous stipulated number for " 0 ", operational part 16 is transitioned into step S110 from step S160.
In addition, marking signal is set in the present embodiment " 5bit ", but is not limited thereto, and is at least more than the bit number of light modulation index signal Sad.With regard to marking signal, along with increase bit number, detect mistake and reduce, therefore the possibility of the error running of LED drive device 8 reduces.But the time that the operational part 16 due to LED drive device 8 reads the data of marking signal is elongated, therefore, preferably marking signal is set as the number identical with the bit number of light modulation index signal Sad or its above approximation.In addition, marking signal is made up of more than continuous regulation number " 0 " in the present embodiment, but is not limited thereto, also can by specifying that " 1 " of more than number is formed continuously.By making marking signal at least different from the value of commencing signal Ss, marking signal and commencing signal Ss can be distinguished.Thus, when by marking signal by when specifying that " 1 " of more than number is formed continuously, commencing signal Ss is configured to " 0 ".
In step S170, whether the operational part 16 of LED drive device 8, for judging, obtains the light modulation index signal Sad identical with obtained light modulation index signal Sad continuously.
Its result, when being judged as obtaining the light modulation index signal Sad identical with the light modulation index signal Sad obtained from square wave converter section 12 continuously, operational part 16 is transitioned into step S180 from step S170.
In addition, when being judged as not obtaining the light modulation index signal Sad identical with the light modulation index signal Sad obtained from square wave converter section 12 continuously, operational part 16 is transitioned into step S110 from step S170.
In step S180, the operational part 16 of LED drive device 8 obtains dimming ratio information Sa based on light modulation index signal Sad from light modulation catalogue storage part 13, and is transitioned into step S190 from step S180.
In step S190, the operational part 16 of LED drive device 8, calculates the current value supplied to LED module 17 from obtained dimming ratio information Sa, and generates the current controling signal information generated Sp about this current value, and is transitioned into step S200 from step S190.
In step s 200, generated current controling signal information generated Sp is transmitted to current controling signal generating unit 14 by the operational part 16 of LED drive device 8, and turns back to step S110 from step S200.
By this structure, with regard to the lighting device 1 of an embodiment, the operational part 16 of LED drive device 8 can obtain via power line Pl the light modulation index signal Sad generated in light adjusting and controlling device 2.Further, lighting device 1 suitably can judge whether the signal based on the single waveform obtained via power line Pl is light modulation index signal Sad.
Then, with reference to Fig. 7, the lighting device 18 of the second embodiment of lighting device of the present invention is described.In addition, in embodiment below, for the part identical with the embodiment illustrated, omit it and illustrate, be described centered by different parts.
As shown in Fig. 7 (a), the mode that the lighting device 18 of the second embodiment of lighting device of the present invention controls multiple LED drive device with single light adjusting and controlling device 2 is formed.Lighting device 18 possesses light adjusting and controlling device 2, first LED drive device 8X, the second LED drive device 8Y, the first LED module 17X and the second LED module 17Y.In addition, in the present embodiment, with regard to lighting device 18, control two LED modules by light adjusting and controlling device 2, but be not limited thereto.
With regard to lighting device 18, AC power Acc is connected with light adjusting and controlling device 2.And with regard to lighting device 18, light adjusting and controlling device 2 is connected with the first LED drive device 8X, the first LED module 17X successively via power line Pl.Further, with regard to lighting device 18, the first LED drive device 8X is connected with the second LED drive device 8Y, the second LED module 17Y successively via power line Pl.That is, with regard to lighting device 18, light adjusting and controlling device 2 power line Pl is connected with cascade with the first LED drive device 8X and the second LED drive device 8Y.
With regard to lighting device 18, from AC power Acc alternating current via power line Pl to light adjusting and controlling device 2 supply after, to first LED drive device 8X supply.Further, with regard to lighting device 18, alternating current is not only supplied from the first LED drive device 8X to the first LED module 17X, but also supplies to the second LED module 17Y from the first LED drive device 8X via the second LED drive device 8Y.In addition, with regard to lighting device 18, from the light modulation index signal Sad of light adjusting and controlling device 2 via power line Pl, export to the first LED drive device 8X and the second LED drive device 8Y.Therefore, lighting device 18 there is no need as existing lighting device 100, is exported (with reference to Fig. 7 (b)) by the light modulation index signal Sad from light adjusting and controlling device 2 to use the mode of holding wire Sl to the first LED drive device 8X and the second LED drive device 8Y.That is, lighting device 18 only can control multiple LED drive device with power line Pl 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 described.In addition, in embodiment below, for the part identical with the embodiment illustrated, omit it and illustrate, be described centered by different parts.
With regard to electric line communication system 19, utilize the alternating current in power line Pl circulation and send signal.Electric line communication system 19 is to be formed by the mode of power line Pl connection signal generating apparatus 20 and square wave conversion equipment 21.
Lack the signal generating apparatus 20 of unit based on the operation from outside as waveform, make a part for the voltage waveform of alternating current lack and generate control signal.Signal generating apparatus 20 comprises zero passage detection portion 4, bidirectional triode thyristor 5, bidirectional triode thyristor driver 6 and bidirectional triode thyristor control part 7 (with reference to Fig. 2).In addition, in the present embodiment, have employed bidirectional triode thyristor 5 to make a part for the voltage waveform of alternating current lack, but be not limited thereto.With regard to signal generating apparatus 20, bidirectional triode thyristor 5 is arranged in the mode of connecting with power line Pl.
As the square wave conversion equipment 21 of converting unit, generate square wave from the voltage waveform of alternating current.Square wave conversion equipment 21 can obtain the voltage waveform of the alternating current flowing to power line Pl.Square wave conversion equipment 21 can by the voltage waveform of the direct current corresponding with the single waveform of the single waveform of alternating current or the alternating current before changing, the single waveform that lacked a part and the single waveform that do not lack convert square wave to respectively.
With regard to the electric line communication system 19 of this structure, the operating means 23 of motor device 22 is connected with signal generating apparatus 20, and square wave conversion equipment 21 is connected with motor device 22.Electric line communication system 19 makes a part for the voltage waveform of alternating current lack and generate control signal based on the operation signal Sm from operating means 23.Further, electric line communication system 19 supplies alternating current via power line Pl to motor device 22, and control signal to be included in alternating current and to send.Electric line communication system 19, converts the control signal be made up of voltage waveform square wave conversion equipment 21 to square wave, and exports to motor device 22.
By this structure, with regard to the electric line communication system 19 of an embodiment, convert from the control signal of connected operating means 23 input the signal utilizing voltage waveform to form to, and send via power line Pl.Thereby, it is possible to do not need numerous and diverse distribution and send signal to motor device 22.
Claims (5)
1. a lighting device, it is the part disappearance of voltage waveform for making alternating current and to the lighting device of drive unit supply, it is characterized in that,
In the voltage waveform of the half period of alternating current, based on having lacked a part of voltage waveform and not had the combination of the voltage waveform lacked to form light modulation index signal, if drive unit obtains identical light modulation index signal via the continuous stipulated number of power line, be then judged as obtaining light modulation index signal.
2. lighting device according to claim 1, is characterized in that,
If obtain more than the continuous stipulated number of described drive unit based on not disappearance described voltage waveform or lacked any one voltage waveform in the described voltage waveform of a part signal after, obtain based on the described voltage waveform do not lacked or the signal having lacked another voltage waveform in the described voltage waveform of a part, then from voltage waveform subsequently, obtain the voltage waveform forming described light modulation index signal.
3. lighting device according to claim 1 and 2, is characterized in that,
Based on not disappearance described voltage waveform or lacked a part described voltage waveform subsequently, the combination of the described voltage waveform of regulation number, form described light modulation index signal.
4. a lighting device, it is the lighting device alternating current supplied by power line being converted to direct current and supplying to drive unit, it is characterized in that,
Described lighting device possesses:
Waveform disappearance unit, it is connected with power line, and the part in the voltage waveform of the half period of alternating current is lacked;
Converting unit, it is for obtaining the voltage waveform of the voltage waveform of alternating current or the direct current after being changed by alternating current from power line, and in the voltage waveform of the direct current corresponding at the voltage waveform of the half period of the voltage waveform of the half period with alternating current or the alternating current before changing, will a part of voltage waveform be lacked and not have the voltage waveform lacked to convert different square waves respectively to; And
Control unit, if it obtains the light modulation index signal be made up of the combination of the square wave corresponding with lacking a part of voltage waveform and the square wave corresponding with the voltage waveform not having to lack from the continuous stipulated number of converting unit, then be judged as obtaining light modulation index signal, and optionally determine the form of a light modulation value in the form of multiple light modulation value based on single or multiple light modulation index signal, and generate current controling signal.
5. an electric line communication system, it is the part disappearance in the voltage waveform of alternating current for making to flow to power line, and supplies alternating current and send the electric line communication system of signal, it is characterized in that,
Described electric line communication system possesses:
Waveform disappearance unit, it lacks for making the part in the voltage waveform of the half period of the alternating current flowing to power line; And
Converting unit, it is for obtaining the voltage waveform of alternating current from power line, and by the voltage waveform of the half period of alternating current, lacked a part of voltage waveform and do not have lack voltage waveform convert different square waves respectively to.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-248195 | 2013-11-29 | ||
| JP2013248195A JP6315764B2 (en) | 2013-11-29 | 2013-11-29 | LIGHTING DEVICE AND POWERLINE COMMUNICATION SYSTEM FOR TRANSMITTING SIGNALS |
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| CN104684205A true CN104684205A (en) | 2015-06-03 |
| CN104684205B 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 |
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| JP (1) | JP6315764B2 (en) |
| KR (1) | KR20150062925A (en) |
| CN (1) | CN104684205B (en) |
Cited By (4)
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| CN105611676A (en) * | 2016-02-26 | 2016-05-25 | 杭州电子科技大学 | Streetlamp dimming system capable of transmitting signals by directly utilizing power line |
| CN105682290A (en) * | 2016-02-26 | 2016-06-15 | 杭州电子科技大学 | Street lamp centralized controller capable of transmitting signals by power lines directly |
| CN105744673A (en) * | 2016-02-26 | 2016-07-06 | 杭州电子科技大学 | Streetlamp directly employing power line to receive signal |
| JP2017004937A (en) * | 2015-06-07 | 2017-01-05 | 中▲達▼▲電▼通股▲フン▼有限公司 | Power supply control system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SG11201907777RA (en) * | 2017-02-01 | 2019-09-27 | 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 |
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| CN105744673A (en) * | 2016-02-26 | 2016-07-06 | 杭州电子科技大学 | Streetlamp directly employing power line to receive signal |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2015106828A (en) | 2015-06-08 |
| JP6315764B2 (en) | 2018-04-25 |
| CN104684205B (en) | 2018-11-09 |
| KR20150062925A (en) | 2015-06-08 |
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