CN109348597B - Control circuit compatible with 0-10V dimmer and TRAIC dimmer - Google Patents
Control circuit compatible with 0-10V dimmer and TRAIC dimmer Download PDFInfo
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- CN109348597B CN109348597B CN201811474922.0A CN201811474922A CN109348597B CN 109348597 B CN109348597 B CN 109348597B CN 201811474922 A CN201811474922 A CN 201811474922A CN 109348597 B CN109348597 B CN 109348597B
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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
Abstract
The invention discloses a control circuit compatible with a 0-10V dimmer and a TRAIC dimmer, which comprises a single chip microcomputer, a TRAIC dimming circuit, a TRAIC signal generating circuit, an external voltage detection circuit and a PWM control silicon controlled rectifier circuit, wherein the single chip microcomputer is connected with the TRAIC dimming circuit; the PWM control silicon controlled rectifier circuit comprises a photoelectric coupler and a bidirectional silicon controlled rectifier; the external voltage detection circuit detects the interface voltage, and the single chip microcomputer receives and judges whether the TRAIC dimmer or the 0-10V dimmer is connected; when the TRAIC dimmer is connected, the single chip microcomputer controls the bidirectional thyristor to be completely conducted, and a control signal of the TRAIC dimmer enters a TRAIC dimming circuit through the bidirectional thyristor to realize dimming; when a 0-10V light modulator is connected, the single chip microcomputer converts received voltage signal changes into PWM signals to output and control the conduction of the bidirectional thyristor, and the TRAIC signal generating circuit generates TRAIC signals to be input to the TRAIC light modulation circuit, so that light modulation is achieved.
Description
The technical field is as follows:
the invention relates to the technical field of dimming, in particular to a control circuit compatible with a 0-10V dimmer and a TRAIC dimmer.
Background art:
the use of present intelligent lamps and lanterns is more and more wide, and in order to make intelligent lamps and lanterns use in various occasions, people can realize the regulation to light intensity usually through connecing the dimmer, and the dimmer commonly used on the market mainly includes TRAIC dimmer and two kinds of 0 ~ 10V dimmers, but lamp accuse dimming circuit or can only connect TRAIC dimmer, or can only connect 0 ~ 10V dimmer, and it is very inflexible to use, leads to using inconvenient.
In view of the above, the present inventors propose the following.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provides a control circuit compatible with a 0-10V dimmer and a TRAIC dimmer.
In order to solve the technical problems, the invention adopts the following technical scheme: this control circuit of compatible 0 ~ 10V light modulator and TRAIC light modulator includes: the LED lamp comprises a single chip microcomputer, a TRAIC dimming circuit, a TRAIC signal generating circuit, an external voltage detection circuit and a PWM control silicon controlled rectifier circuit, wherein the TRAIC dimming circuit is electrically connected with the single chip microcomputer and is connected with a lamp; the external voltage detection circuit is provided with an interface externally connected with a 0-10V dimmer or a TRAIC dimmer, and the PWM control silicon controlled rectifier circuit comprises a photoelectric coupler electrically connected with the single chip microcomputer and a bidirectional thyristor connected with the photoelectric coupler; after the power is on, the external voltage detection circuit detects the interface voltage, and the single chip microcomputer receives and judges whether a TRAIC (trans-integrated circuit) dimmer or a 0-10V dimmer is connected; when the TRAIC dimmer is connected, the single chip microcomputer controls the bidirectional thyristor to be completely conducted, and a control signal of the TRAIC dimmer enters a TRAIC dimming circuit through the bidirectional thyristor to realize dimming; when a 0-10V light modulator is connected, the single chip microcomputer receives detected voltage signals, converts voltage changes into PWM signals and outputs the PWM signals to control the conduction of the bidirectional thyristor, and the TRAIC signal generating circuit generates TRAIC signals and inputs the TRAIC signals to the TRAIC light modulation circuit, so that the light modulation function is achieved.
Further, in the above technical solution, the type of the triac is BTA 12; the model of the photoelectric coupler is MOC30XX, a pin 6 of the photoelectric coupler is connected with a pin A of a bidirectional thyristor after being connected with a resistor R49 and a resistor R52, a pin 4 of the photoelectric coupler is connected with a pin G of the bidirectional thyristor, a pin 2 of the photoelectric coupler is connected with a triode Q9 and a resistor R54 and then is connected with the singlechip, a pin K of the bidirectional thyristor is connected with a TRAIC dimming circuit, and a pin A of the bidirectional thyristor is connected with the TRAIC signal generating circuit.
Further, in the above technical scheme, the single chip microcomputer is further connected with a zero-crossing detection circuit, and the zero-crossing detection circuit is further connected with a PWM control silicon controlled rectifier circuit.
Further, in the above technical solution, the zero-cross detection circuit includes an optical coupler chip, the optical coupler chip is connected to the single chip microcomputer after being connected to the triode Q7, and at least one pin of the optical coupler chip is connected to the PWM control thyristor circuit.
Further, in the above technical solution, the type of the optocoupler chip is LTP 521-2.
Further, in the above technical solution, the external voltage detection circuit includes a resistor R59 and a capacitor C18 connected in parallel, a resistor R60 and a resistor R61 connected to the resistor R59, the interface is connected to the resistor R60 and the resistor R59, and both ends of the resistor R59 are connected to the single chip microcomputer
Further, in the above technical solution, the model of the single chip microcomputer is STM8S 003.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects: when the circuit works, the external voltage detection circuit detects the interface voltage, and the single chip microcomputer receives and judges whether a TRAIC (trans-integrated circuit) dimmer or a 0-10V dimmer is connected; when the TRAIC dimmer is connected, the single chip microcomputer controls the bidirectional thyristor to be completely conducted, and a control signal of the TRAIC dimmer enters a TRAIC dimming circuit through the bidirectional thyristor to realize dimming; when a 0-10V light modulator is connected, the single chip microcomputer receives detected voltage signals, converts voltage changes into PWM signals and outputs the PWM signals to control the conduction of the bidirectional thyristor, and the TRAIC signal generating circuit generates TRAIC signals and inputs the TRAIC signals to the TRAIC light modulation circuit, so that the light modulation function is achieved. Namely, the invention can realize dimming of the lamp no matter the connected TRAIC dimmer or the 0-10V dimmer, namely, the compatible control dimming of the 0-10V dimmer and the TRAIC dimmer is realized, so that the invention has strong market competitiveness.
Description of the drawings:
FIG. 1 is a first circuit diagram of the present invention;
FIG. 2 is a second circuit diagram of the present invention;
fig. 3 is a third circuit diagram of the present invention.
The specific implementation mode is as follows:
the invention is further illustrated below with reference to specific embodiments and the accompanying drawings.
Referring to fig. 1-3, a control circuit compatible with a 0-10V dimmer and a TRAIC dimmer includes: the LED lamp comprises a single chip microcomputer 1, a TRAIC dimming circuit 2, a TRAIC signal generating circuit 3, an external voltage detection circuit 4 and a PWM control silicon controlled circuit 5, wherein the TRAIC dimming circuit 2 is electrically connected with the single chip microcomputer 1 and is connected with a lamp; the model of the single chip microcomputer 1 is STM8S 003.
The external voltage detection circuit 4 is provided with an interface 41 externally connected with a 0-10V dimmer or a TRAIC dimmer, and the PWM control silicon controlled circuit 5 comprises a photoelectric coupler 51 electrically connected with the singlechip 1 and a bidirectional silicon controlled 52 connected with the photoelectric coupler 51; after the power is on, the external voltage detection circuit 4 detects the interface voltage, and the single chip microcomputer 1 receives and judges whether a TRAIC (trans-integrated circuit) dimmer or a 0-10V dimmer is connected; when the TRAIC dimmer is connected, the single chip microcomputer controls the bidirectional thyristor 52 to be completely conducted, and a TRAIC dimmer control signal enters the TRAIC dimming circuit 2 through the bidirectional thyristor 52 to realize dimming; when a 0-10V light modulator is connected, the single chip microcomputer 1 receives a detected voltage signal, converts the voltage change into a PWM signal and outputs the PWM signal to control the conduction of the bidirectional thyristor 52, and the TRAIC signal generating circuit 3 generates a TRAIC signal and inputs the TRAIC signal to the TRAIC light modulation circuit 2, so that the light modulation function is realized.
The type of the bidirectional controllable silicon 52 is BTA 12; the model of the photoelectric coupler 51 is MOC30XX, a pin 6 of the photoelectric coupler 51 is connected with a pin A of the bidirectional thyristor 52 after being connected with a resistor R49 and a resistor R52, a pin 4 of the photoelectric coupler 51 is connected with a pin G of the bidirectional thyristor 52, a pin 2 of the photoelectric coupler 51 is connected with the triode Q9 and the resistor R54 and then is connected with the singlechip 1, a pin K of the bidirectional thyristor 52 is connected with the TRAIC dimming circuit 2, and a pin A of the bidirectional thyristor 52 is connected with the TRAIC signal generating circuit 3.
The single chip microcomputer 1 is also connected with a zero-crossing detection circuit 6, and the zero-crossing detection circuit 6 is also connected with a PWM control silicon controlled circuit 5. Specifically, the zero-cross detection circuit 6 includes an optical coupler chip 61, the optical coupler chip 61 is connected to the single chip microcomputer 1 after being connected to the triode Q7, and at least one pin of the optical coupler chip 61 is connected to the PWM control thyristor circuit 5. The type of the optical coupler chip 61 is LTP 521-2.
The external voltage detection circuit 4 comprises a resistor R59, a capacitor C18, a resistor R60 and a resistor R61 which are connected in parallel, the resistor R60 and the resistor R61 are connected to the resistor R59, the interface is connected with the resistor R60 and the resistor R59, and two ends of the resistor R59 are connected with the single chip microcomputer 1
When the circuit works, the external voltage detection circuit 4 detects interface voltage, and the singlechip 1 receives and judges whether a TRAIC (trans integrated circuit) dimmer or a 0-10V dimmer is connected; when the TRAIC dimmer is connected, the single chip microcomputer controls the bidirectional thyristor 52 to be completely conducted, and a TRAIC dimmer control signal enters the TRAIC dimming circuit 2 through the bidirectional thyristor 52 to realize dimming; when a 0-10V light modulator is connected, the single chip microcomputer 1 receives a detected voltage signal, converts the voltage change into a PWM signal and outputs the PWM signal to control the conduction of the bidirectional thyristor 52, and the TRAIC signal generating circuit 3 generates a TRAIC signal and inputs the TRAIC signal to the TRAIC light modulation circuit 2, so that the light modulation function is realized. Namely, the invention can realize dimming of the lamp no matter the connected TRAIC dimmer or the 0-10V dimmer, namely, the compatible control dimming of the 0-10V dimmer and the TRAIC dimmer is realized, so that the invention has strong market competitiveness.
It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.
Claims (3)
1. Compatible 0 ~ 10V dimmer and TRAIC dimmer's control circuit, its characterized in that: it includes: the LED lamp comprises a single chip microcomputer (1), and a TRAIC dimming circuit (2), a TRAIC signal generating circuit (3), an external voltage detection circuit (4) and a PWM control silicon controlled rectifier circuit (5) which are electrically connected with the single chip microcomputer (1), wherein the TRAIC dimming circuit (2) is connected with a lamp; the external voltage detection circuit (4) is provided with an interface (41) externally connected with a 0-10V dimmer or a TRAIC dimmer, and the PWM control thyristor circuit (5) comprises a photoelectric coupler (51) electrically connected with the single chip microcomputer (1) and a bidirectional thyristor (52) connected with the photoelectric coupler (51); after the power is on, the external voltage detection circuit (4) detects the interface voltage, and the single chip microcomputer (1) receives and judges whether a TRAIC dimmer or a 0-10V dimmer is connected; when the TRAIC dimmer is connected, the singlechip controls the bidirectional thyristor (52) to be completely conducted, and a TRAIC dimmer control signal enters the TRAIC dimming circuit (2) through the bidirectional thyristor (52) to realize dimming; when a 0-10V light modulator is connected, the single chip microcomputer (1) receives a detected voltage signal, converts the voltage change into a PWM signal and outputs the PWM signal to control the conduction of the bidirectional thyristor (52), and the TRAIC signal generating circuit (3) generates a TRAIC signal and inputs the TRAIC signal to the TRAIC light modulation circuit (2), so that the light modulation function is realized; the external voltage detection circuit (4) comprises a resistor R59, a capacitor C18, a resistor R60 and a resistor R61 which are connected with a resistor R59 in parallel, the interface is connected with the resistor R60 and the resistor R59, and two ends of the resistor R59 are both connected with the single chip microcomputer (1); the type of the bidirectional controllable silicon (52) is BTA 12; the model of the photoelectric coupler (51) is MOC30XX, a pin 6 of the photoelectric coupler (51) is connected with a pin A of the bidirectional thyristor (52) after being connected with a resistor R49 and a resistor R52, a pin 4 of the photoelectric coupler (51) is connected with a pin G of the bidirectional thyristor (52), a pin 2 of the photoelectric coupler (51) is connected with the triode Q9 and the resistor R54 and then connected with the singlechip (1), a pin K of the bidirectional thyristor (52) is connected with the TRAIC dimming circuit (2), and a pin A of the bidirectional thyristor (52) is connected with the TRAIC signal generating circuit (3); the single chip microcomputer (1) is also connected with a zero-crossing detection circuit (6), and the zero-crossing detection circuit (6) is also connected with a PWM control silicon controlled circuit (5); the zero-crossing detection circuit (6) comprises an optocoupler chip (61), the optocoupler chip (61) is connected with the singlechip (1) after being connected with the triode Q7, and at least one pin of the optocoupler chip (61) is connected with the PWM control silicon controlled circuit (5).
2. The control circuit compatible with a 0-10V dimmer and a TRAIC dimmer according to claim 1, wherein: the type of the optical coupler chip (61) is LTP 521-2.
3. The control circuit compatible with a 0-10V dimmer and a TRAIC dimmer according to claim 1, wherein: the type of the single chip microcomputer (1) is STM8S 003.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811474922.0A CN109348597B (en) | 2018-12-04 | 2018-12-04 | Control circuit compatible with 0-10V dimmer and TRAIC dimmer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811474922.0A CN109348597B (en) | 2018-12-04 | 2018-12-04 | Control circuit compatible with 0-10V dimmer and TRAIC dimmer |
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| CN109348597A CN109348597A (en) | 2019-02-15 |
| CN109348597B true CN109348597B (en) | 2020-01-14 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110572899A (en) * | 2019-08-21 | 2019-12-13 | 东莞华明灯具有限公司 | Light modulation circuit |
| CN112804792B (en) * | 2021-04-13 | 2021-07-13 | 深圳市安规科技有限公司 | Dimming power module and LED dimming device of steady voltage power supply |
| CN114222402A (en) * | 2021-12-06 | 2022-03-22 | 深圳市星之佑科技有限公司 | Trinity dimmer circuit |
| CN115134969B (en) * | 2022-06-28 | 2023-04-21 | 无锡市益明光电有限公司 | Six-in-one dimming circuit |
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| CN203301831U (en) * | 2013-06-24 | 2013-11-20 | 南京物联传感技术有限公司 | Wireless dimming circuit |
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| CN203301831U (en) * | 2013-06-24 | 2013-11-20 | 南京物联传感技术有限公司 | Wireless dimming circuit |
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