CN101453807B - Lamp light driving device and lighting system thereof - Google Patents
Lamp light driving device and lighting system thereof Download PDFInfo
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- CN101453807B CN101453807B CN 200710199058 CN200710199058A CN101453807B CN 101453807 B CN101453807 B CN 101453807B CN 200710199058 CN200710199058 CN 200710199058 CN 200710199058 A CN200710199058 A CN 200710199058A CN 101453807 B CN101453807 B CN 101453807B
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Abstract
The invention discloses a light driving device and a light system thereof. The light driving device receives a serial signal, is used for driving a lamp, and transmits the serial signal to another light driving device. The light driving device comprises a first signal converter, a signal processor and a light driving unit, wherein the first signal converter receives the serial signal and converts the serial signal into a digital signal; the signal processor receives the digital signal output by the signal converter, decodes the digital signal to obtain control data, and decides whether to transmit the serial signal to the other light driving device according to the digital signal; and the light driving unit is used for outputting a driving signal to the lamp according to the control data, so as to control the motion of the lamp.
Description
Technical field
The present invention relates to a kind of drive unit, particularly relate to a kind of lamp light driving device and lighting system thereof that need not addressing.
Background technology
DMX512 communication protocol is to be developed into from the mode of Stage Equipment Control with standard digital interface control dimmer by USITT (U.S. theater technological associations) at first.Because simplicity, reliability and the flexibility of DMX512 make it become rapidly the agreement of selecting in the budgetary resources license situation.
DMX512 in the past is applied in light of stage control mostly, and light fixture often must set identification code (ID) address in advance, changes according to identification code address regulation and control light again, with the content that shows that the DMX512 controller is transmitted.
The setting of traditional identification code address is to set via thumb-acting switch (Dip-Switch) adjustment, perhaps adopts the identification code address that electronic type is set each DMX control assembly via communications.
Please refer to Figure 1A, be the connection diagram of conventional lamp.Shown in Figure 1A, the first light fixture 10, the second light fixture 20 and the 3rd light fixture 30 are the mode of being connected in parallel, and please refer to Figure 1B, are the schematic diagram of DMX512 signal.As shown in Figure 1B, the DMX512 signal that each light fixture receives is all identical, wherein the DMX512 signal includes initial signal 11, the first light fixture control data 12, the second light fixture control data 13 and the 3rd light fixture control data 14, and each light fixture is obtained each self-corresponding light fixture control data according to above-mentioned identification code address setting mechanism, with flickering of control light fixture.
Yet, the position of light fixture can be installed on the various positions (for example under water, waterborne, metope or hang high-altitude etc.) according to design requirement, adjust setting means if adopt thumb-acting switch, will make assignment procedure very inconvenient, even and if the position of light fixture setting is to carry out easily the identification code address setting, also may because of identification code address setting mistake, cause the malfunction of light fixture.
Therefore, how to provide a kind of lamp light driving device that need not addressing, become one of the problem of personnel's solution that requires study.
Summary of the invention
The object of the present invention is to provide a kind of lamp light driving device and lighting system thereof, connect each light fixture by the serial connection mode, and make each light fixture control data according to the light fixture that order obtains separately, with the action of controlling each light fixture (for example, flicker), so as to reaching the purpose that need not the Data driver light fixture, and then improve the ease of use of lighting system.
To achieve these goals, the invention provides a kind of lamp light driving device, in order to drive light fixture, lamp light driving device includes: the first signal transducer, accept serial signal, and the conversion serial signal is digital signal, and wherein the first signal transducer can for example be the signal converter that the RS-485 interface turns the accurate interface in TTL (transistor transistor logic) (TTL) position; Signal processor, the digital signal of receiving signal conversion equipment output, and decoded digital signal are to obtain control data, and signal processor determines whether serial signal is sent to another lamp light driving device according to digital signal, and wherein signal processor is the DMX512 signal decoder; And the light driver element, in order to drive signal to light fixture according to control data output one, with the action (for example, flickering) of control light fixture.
In addition, the disclosed lighting system of the present invention includes: signal generator comprises the serial signal that several light fixtures are controlled data in order to generation; And several light fixtures that are connected in series, each light fixture includes a lamp light driving device, wherein the action of the light fixture under the light fixture control Data Control lamp light driving device obtained according to decoding of lamp light driving device.
By this lamp light driving device and lighting system thereof, by each light fixture is connected in series, and on each light fixture, lamp light driving device is set, so that the light fixture that each light fixture is obtained separately according to serial connection sequence is controlled data, therefore, each light fixture need not the mode by prior setting identification code address, also can finish the control that flickers of each light fixture, so as to reaching the purpose that need not the Data driver light fixture, and then improve the ease of use of lighting system.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Figure 1A is the connection diagram of the light fixture of prior art;
Figure 1B is the schematic diagram of DMX512 signal;
Fig. 2 is the system block diagrams of lamp light driving device of the present invention;
Fig. 3 is the circuit block diagram of lamp light driving device of the present invention;
Fig. 4 is the schematic diagram of light fixture connecting circuit of the present invention;
Fig. 5 A is the schematic diagram of the DMX512 signal of light fixture of the present invention;
Fig. 5 B is the schematic diagram of the DMX512 signal of light fixture of the present invention;
Fig. 5 C is the schematic diagram of the DMX512 signal of light fixture of the present invention; And
Fig. 6 is the calcspar of lighting system of the present invention.
Wherein, Reference numeral:
10 first light fixtures
11 initial signals
12 first light fixtures control data
13 second light fixtures control data
14 the 3rd light fixtures control data
15 light fixtures
20 second light fixtures
25 light fixtures
30 the 3rd light fixtures
35 light fixtures
40 serial transmission interfaces
50 first signal transducers
51 secondary signal transducers
60 signal processors
70 light driver elements
71 danger signal PWM unit
72 green PWM unit
73 blue signal PWM unit
74 danger signal drivers
75 green drivers
76 blue signal drivers
80 switches
90 signal generators
100 lamp light driving devices
200 lighting systems
Execution mode
Please refer to Fig. 2, be the system block diagrams of lamp light driving device of the present invention.As shown in Figure 2, lamp light driving device of the present invention includes serial transmission interface 40, first signal transducer 50, signal processor 60 and light driver element 70.
Signal or the data of serial transmission interface 40 in order to receive the serial transmission form, for example differential wave.Serial transmission interface 40 can for example be RS-422 interface or RS-485 interface.
Switch 80 is electrically connected with serial transmission interface 40, signal processor 60, and whether the action of signal processor 60 controllable switch 80 delivers to the next stage circuit with the serial signal that determines serial transmission interface 40 outputs.When switch 80 conducting, serial signal is sent to the next stage circuit.
Please refer to Fig. 3, be the circuit block diagram of lamp light driving device of the present invention.As shown in Figure 3, lamp light driving device of the present invention includes serial transmission interface 40, first signal transducer 50, secondary signal transducer 51, signal processor 60 and light driver element 70.
Signal or the data of serial transmission interface 40 in order to receive the serial transmission form, for example differential wave.Serial transmission interface 40 can for example be RS-422 interface or RS-485 interface.Serial transmission interface 40 preferablies are the RS-485 interface.
Secondary signal transducer 51 is electrically connected with signal processor 60, the digital signal of exporting in order to receive signal processor 60, and conversion digital signal is serial signal.Secondary signal transducer 51 preferablies are the signal converter that the accurate interface in TTL (transistor transistor logic) (TTL) position turns the RS-485 interface.
Please refer to Fig. 4, be the schematic diagram of light fixture connecting circuit of the present invention.As shown in Figure 4, the first light fixture 10, the second light fixture 20 and the 3rd light fixture 30 are for being connected in series mode.Each light fixture preferably is for comprising the illuminating lamp of at least one light-emitting diode (LED) lamp or other type.
Please refer to Fig. 5 A, Fig. 5 B and Fig. 5 C, be respectively the schematic diagram of the DMX512 signal of each light fixture of the present invention.Shown in Fig. 5 A, after the initial signal and reservation (blank) data (1 byte) in the first light fixture 10 reception DMX512 signals, resume simultaneously initial signal and keep data to the second light fixture 20, then, signal processor 60 closes that pass on Gong after the data can, and when obtaining the first light fixture control data 12, synchronous driving spacing wave to the second light fixture 20, and open that pass on Gong after the data can, so that remaining light fixture control data after the first stroke light fixture control data (for example, the second light fixture control data 13 and the 3rd light fixture control data 14) are resumed to the second light fixture 20.
Shown in Fig. 5 B, after the initial signal and reservation (blank) data (1 byte) in the second light fixture 20 reception DMX512 signals, resume simultaneously initial signal and keep data to the three light fixtures 30, then, signal processor 60 closes that pass on Gong after the data can, and when obtaining the second light fixture control data 13, synchronous driving spacing wave to the three light fixtures 30, and open that pass on Gong after the data can, so that remaining light fixture control data after the first stroke light fixture control data continuous (for example, the 3rd light fixture control data 14) are reached the 3rd light fixture 30.
Shown in Fig. 5 C, after the initial signal and reservation (blank) data (1 byte) in the 3rd light fixture 30 reception DMX512 signals, resume simultaneously initial signal and keep data to next light fixture, then, signal processor 60 closes that pass on Gong after the data can, and when obtaining the 3rd light fixture control data 14, the synchronous driving spacing wave is to next light fixture, and open that pass on Gong after the data can, so that remaining light fixture after the first stroke light fixture control data is controlled data forward to next light fixture, the rest may be inferred.
As shown in the above, each light fixture is before obtaining light fixture control data, can stop first transmitting the DMX512 signal to next light fixture, after obtaining light fixture control data, just can continue to transmit the DMX512 signal to next light fixture, in other words, the light fixture that each light fixture is obtained separately according to serial connection sequence is controlled data, therefore, each light fixture need not the mode by prior setting identification code address, also can finish the control that flickers of each light fixture.
Please refer to Fig. 6, be the calcspar of lighting system of the present invention.As shown in Figure 6, lighting system 200 several light fixtures of the present invention (for example light fixture 15, light fixture 25, light fixture 35) and signal generator 90.Wherein the connected mode of light fixture 15, light fixture 25, light fixture 35 as shown in Figure 4.Each light fixture includes lamp light driving device 100, and lamp light driving device 100 as shown in Figure 3.Signal generator 90 comprises the serial signal of light fixture control data to the lamp light driving device 100 of light fixture 15 in order to generation.Each lamp light driving device 100 receives and the decoding serial signal is controlled data with the light fixture of obtaining a corresponding light fixture, each lamp light driving device 100 is according to the action (for example, flickering) of light fixture 15, light fixture 25 and light fixture 35 under the corresponding light fixture control Data Control lamp light driving device 100.Wherein after the light fixture control data of the lamp light driving device 100 of light fixture 15 in obtaining serial signal, again serial signal is sent to the lamp light driving device 100 of light fixture 25, and after the light fixture control data of the lamp light driving device 100 of light fixture 25 in obtaining serial signal, serial signal is sent to the lamp light driving device 100 of light fixture 35, the rest may be inferred again.
In sum, lamp light driving device of the present invention and lighting system thereof, by each light fixture is connected in series, and on each light fixture, lamp light driving device is set, so that the light fixture that each light fixture is obtained separately according to serial connection sequence is controlled data, therefore, each light fixture need not the mode by prior setting identification code address, also can finish the control that flickers of each light fixture, so as to reaching the purpose that need not the Data driver light fixture, and then improve the ease of use of lighting system.
Certainly; the present invention also can have other various embodiments; in the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (14)
1. a lamp light driving device receives a serial signal, in order to driving a light fixture, and this serial signal is sent to another lamp light driving device, it is characterized in that this lamp light driving device includes:
One first signal transducer is accepted this serial signal, and to change this serial signal be a digital signal;
One signal processor, receive this digital signal of this signal converter output, and decipher this digital signal, control data to obtain a light fixture, and this signal processor determines whether this serial signal is sent to this another lamp light driving device according to this digital signal; And
One light driver element, in order to driving signal to this light fixture according to this light fixture control data output one, controlling the action of this light fixture,
Wherein, this digital signal includes an initial signal, and keeps data and several this light fixture control data,
Wherein, this signal processor resumes this initial signal and this reservation data simultaneously to this another lamp light driving device after receiving this initial signal and this reservation data; Then, this signal processor closes that pass on Gong after the data can; This signal processor when obtaining the first stroke control data of several these light fixtures control data, synchronous driving spacing wave, and open the energy of passing on Gong after these data.
2. lamp light driving device according to claim 1 is characterized in that, includes:
One secondary signal transducer is electrically connected with this signal processor, and in order to receiving this digital signal of this signal processor output, this signal processor to this secondary signal transducer, is more revised the signal waveform of this digital signal in this digital signal of output; And
One switch and this signal processor are electrically connected, and this signal processor can be controlled the action of this switch, whether delivers to this secondary signal transducer to determine this serial signal.
3. lamp light driving device according to claim 2 is characterized in that, this secondary signal transducer is the signal converter that the accurate interface in TTL (transistor transistor logic) position turns the RS-485 interface.
4. lamp light driving device according to claim 1 is characterized in that, this first signal transducer is the signal converter that the RS-485 interface turns the accurate interface in TTL (transistor transistor logic) position.
5. lamp light driving device according to claim 1 is characterized in that, this light driver element includes a pulse wave width modulation device and a current driver.
6. lamp light driving device according to claim 1 is characterized in that, includes a serial coffret, in order to receive this serial signal.
7. lamp light driving device according to claim 1 is characterized in that, this digital signal is a standard DMX512 signal, and this signal processor is the DMX512 signal decoder.
8. a lighting system is characterized in that, includes:
One signal generator comprises the serial signal that several light fixtures are controlled data in order to generation; And
The light fixture that several are connected in series, each light fixture includes a lamp light driving device, wherein respectively this lamp light driving device receives and deciphers this serial signal to obtain a pair of light fixture control data that should light fixture, and respectively this lamp light driving device is according to the action of this light fixture under this corresponding this lamp light driving device of light fixture control Data Control;
Wherein, each this lamp light driving device includes:
One first signal transducer is accepted this serial signal, and to change this serial signal be a digital signal;
One signal processor receives this digital signal of this signal converter output, and deciphers this digital signal, control data to obtain this light fixture, and this signal processor determines whether this serial signal is sent to another lamp light driving device according to this digital signal; And
One light driver element, in order to driving signal this light fixture under this lamp light driving device according to this control data output one, controlling the action of this light fixture under this lamp light driving device,
Wherein, this digital signal includes an initial signal, and keeps data and several this light fixture control data,
Wherein, this signal processor resumes this initial signal and this reservation data simultaneously to this another lamp light driving device after receiving this initial signal and this reservation data; Then, this signal processor closes that pass on Gong after the data can; This signal processor when obtaining the first stroke control data of several these light fixtures control data, synchronous driving spacing wave, and open the energy of passing on Gong after these data.
9. lighting system according to claim 8 is characterized in that, includes:
One secondary signal transducer is electrically connected with this signal processor, and in order to receiving this digital signal of this signal processor output, this signal processor to this secondary signal transducer, is more revised the signal waveform of this digital signal in this digital signal of output; And
One switch and this signal processor are electrically connected, and this signal processor can be controlled the action of this switch, whether delivers to this secondary signal transducer to determine this serial signal.
10. lighting system according to claim 9 is characterized in that, this secondary signal transducer is the signal converter that the accurate interface in TTL (transistor transistor logic) position turns the RS-485 interface.
11. lighting system according to claim 8 is characterized in that, this first signal transducer is the signal converter that the RS-485 interface turns the accurate interface in TTL (transistor transistor logic) position.
12. lighting system according to claim 8 is characterized in that, this light driver element includes a pulse wave width modulation device and a current driver.
13. lighting system according to claim 8 is characterized in that, this digital signal is a standard DMX512 signal, and this signal processor is the DMX512 signal decoder.
14. lighting system according to claim 8 is characterized in that, includes a serial coffret, in order to receive this serial signal.
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CN 200710199058 CN101453807B (en) | 2007-12-07 | 2007-12-07 | Lamp light driving device and lighting system thereof |
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CN 200710199058 CN101453807B (en) | 2007-12-07 | 2007-12-07 | Lamp light driving device and lighting system thereof |
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CN101453807A CN101453807A (en) | 2009-06-10 |
CN101453807B true CN101453807B (en) | 2013-03-27 |
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CN101761879B (en) * | 2009-12-15 | 2012-07-18 | 佑图物理应用科技发展(武汉)有限公司 | Color switching control method for stage light |
CN102404906A (en) * | 2010-09-10 | 2012-04-04 | 联阳半导体股份有限公司 | Lamp driving device, system and method |
CN103547018A (en) * | 2012-07-15 | 2014-01-29 | 黄如金 | Lamplight control system needless of address setting |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2528185Y (en) * | 2002-01-09 | 2002-12-25 | 佛山市光电器材公司 | Controller for multicolour LED decorative lamp |
CN2754307Y (en) * | 2003-11-21 | 2006-01-25 | 邵炽良 | Structure improvement of LED decorating lamp string |
CN2927597Y (en) * | 2006-07-21 | 2007-07-25 | 钟再柏 | Luminescent diode network controlling system |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2528185Y (en) * | 2002-01-09 | 2002-12-25 | 佛山市光电器材公司 | Controller for multicolour LED decorative lamp |
CN2754307Y (en) * | 2003-11-21 | 2006-01-25 | 邵炽良 | Structure improvement of LED decorating lamp string |
CN2927597Y (en) * | 2006-07-21 | 2007-07-25 | 钟再柏 | Luminescent diode network controlling system |
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Granted publication date: 20130327 Termination date: 20181207 |