CN204598391U - A kind of circuit simultaneously controlling LED brightness, colour temperature - Google Patents
A kind of circuit simultaneously controlling LED brightness, colour temperature Download PDFInfo
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- CN204598391U CN204598391U CN201520245138.8U CN201520245138U CN204598391U CN 204598391 U CN204598391 U CN 204598391U CN 201520245138 U CN201520245138 U CN 201520245138U CN 204598391 U CN204598391 U CN 204598391U
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- triode
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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
Abstract
The utility model is a kind of circuit simultaneously controlling LED brightness, colour temperature, and described circuit comprises pwm signal module, control module and LED module; Described pwm signal module sends PWM1 signal and PWM2 signal two-way pulse-width signal simultaneously, and described PWM1 signal and PWM2 signal transmission are to control module; Described control module exports two-way level to LED module after receiving the PWM1 signal and PWM2 signal sent by pwm signal module simultaneously, described LED module comprises lamp pearl group more than two, one group is had at least oppositely to connect in described lamp pearl group, the described lamp pearl group oppositely connected and other lamp pearl group are connected in parallel, and belong to electronic technology field.Object is to provide a by two lines adjustment brightness and colour temperatures; Reduce the problem such as low pressure or the team control of direct current light fixture, group's furnishing basis and wiring complexity, also reduce the circuit of production cost simultaneously.
Description
Technical field
The utility model relates to Lighting control field, particularly relates to a kind of circuit simultaneously controlling LED brightness, colour temperature.
Background technology
The power supply that LED lamp substitutes conventional lamp and LED lamp supplies electricity substituted Alternating Current Power Supply to be current development trend by DC low-voltage, the lifting that simultaneously mankind require the intellectuality of light fixture, variation also will be current development trend, and by being above-mentionedly not difficult to draw adjustment and the low cost of illumination, colour temperature, simple systematization of connecting up controls to become the direction of throwing light on from now on and developing.
Realizing LED lamp at present regulates the mode of brightness or colour temperature a lot, has and realizes from profile, configuration aspects, have and realize from material aspect, also have and realize from circuit design aspect; Realize these functions from the method for profile, structure and material, or be have limitation, or technology is also immature, or cost is relatively high; Regulate from circuit design aspect the mode of brightness and colour temperature be current more general, be also the mode comparatively easily realized, and the existing mode regulating brightness and colour temperature from circuit design aspect, driving power is all that 3-4 line exports.
Utility model content
If the purpose of this utility model is the situation that construction is inconvenient and cost is higher being to solve the brightness of existing control LED, the main circuit of colour temperature adopts three lines or four lines to bring, and provides a kind of circuit controlling LED brightness, colour temperature simultaneously.
Control a circuit for LED brightness, colour temperature, described circuit comprises pwm signal module, control module and LED module simultaneously; Described pwm signal module sends PWM1 signal and PWM2 signal two-way pulse-width signal simultaneously, and described PWM1 signal and PWM2 signal transmission are to control module; Described control module exports two-way level to LED module after receiving the PWM1 signal and PWM2 signal sent by pwm signal module simultaneously, described LED module comprises lamp pearl group more than two, have at least one group oppositely to connect in described lamp pearl group, the described lamp pearl group oppositely connected and other lamp pearl group are connected in parallel.
Further, described control module comprises triode Q1, triode Q2, triode Q3, triode Q4, triode Q5, triode Q6, triode Q7 and triode Q8; The collector electrode of described triode Q3 is connected with the base stage of triode Q4, the base stage of triode Q1 simultaneously, the collector electrode of described triode Q4 is connected with the base stage of triode Q7, the collector electrode of described triode Q1 is connected with the collector electrode of triode Q8 simultaneously, and the collector electrode of described triode Q7 is connected with the collector electrode of triode Q2; The collector electrode of described triode Q6 is connected with the base stage of triode Q5, the base stage of triode Q2 simultaneously, the collector electrode of described triode Q5 connects with the base stage of triode Q8, the emitter of described triode Q4, triode Q1, triode Q2, triode Q5 is connected with input power, and the emitter of described triode Q3, triode Q7, triode Q8, triode Q6 is connected to the ground.
Further, described control module also comprises resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11 and resistance R12, the base stage of described triode Q3 is connected with one end of resistance R9 with resistance R5 simultaneously, other one end of R9 is connected to the ground, the base stage of triode Q6 is connected with one end of resistance R10 with resistance R6 simultaneously, other one end of R10 is connected to the ground, the collector electrode of triode Q3, the base stage of triode Q1 is connected with one end of resistance R2, other one end of R2 is connected with power supply, the collector electrode of triode Q3, the base stage of triode Q1 is also connected with one end of resistance R3, other one end of R3 is connected with the base stage of triode Q4, the collector electrode of triode Q6, the base stage of triode Q2 is connected with one end of resistance R1, other one end of R1 is connected with power supply, the collector electrode of triode Q6, the base stage of triode Q2 is also connected with one end of resistance R4, other one end of R4 is connected with the base stage of triode Q5, the base stage of triode Q7 is connected with one end of resistance R11, other one end of R11 is connected to the ground, the base stage of triode Q7 is also connected with one end of resistance R7, other one end of R7 is connected with the collector electrode of triode Q4, the base stage of triode Q8 is connected with one end of resistance R12, other one end of R12 is connected to the ground, the base stage of triode Q8 is also connected with one end of resistance R8, other one end of R8 is connected with the collector electrode of triode Q5.
Further, described triode metal-oxide-semiconductor substitutes.
The beneficial effect of employing technique scheme is:
1, under different-colour, brightness value can adjust arbitrarily from 0% to 100%; Under different illumination, color temperature value can adjust arbitrarily (in the two kinds of color temperature lamp pearl reference color temperatures selected); Real realization regulates brightness and colour temperature by two lines.
2, low pressure or the team control of direct current light fixture, group's furnishing basis and wiring complexity problem is reduced.
3, available circuit controls multiple lamp brightness and colour temperature, the multiple driving power of general needs, and adopts the utility model only to need a driving power to power, and has both increased the reliability of product, has also reduced production cost.
Accompanying drawing explanation
Circuit block diagram described in Fig. 1 the utility model;
The circuit diagram of control module part in Fig. 2 the utility model.
Embodiment
Below in conjunction with accompanying drawing and the preferred specific embodiment of the utility model, content of the present utility model is further described.Example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As as shown in Fig. 1 to Fig. 2, a kind of circuit simultaneously controlling LED brightness, colour temperature described in this programme, described circuit comprises pwm signal module, control module and LED module, described pwm signal module sends PWM1 signal and PWM2 signal two-way pulse-width signal simultaneously, and described PWM1 signal and PWM2 signal transmission are to control module, described control module exports two-way level to LED module after receiving the PWM1 signal and PWM2 signal sent by pwm signal module simultaneously, described LED module comprises lamp pearl group more than two, have at least one group oppositely to connect in described lamp pearl group, the described lamp pearl group oppositely connected and other lamp pearl group are connected in parallel, control module described in this programme comprises triode Q1, triode Q2, triode Q3, triode Q4, triode Q5, triode Q6, triode Q7 and triode Q8, the collector electrode of described triode Q3 is connected with the base stage of triode Q4, the base stage of triode Q1 simultaneously, the collector electrode of described triode Q4 is connected with the base stage of triode Q7, the collector electrode of described triode Q1 is connected with the collector electrode of triode Q8 simultaneously, and the collector electrode of described triode Q7 is connected with the collector electrode of triode Q2, the collector electrode of described triode Q6 is connected with the base stage of triode Q5, the base stage of triode Q2 simultaneously, the collector electrode of described triode Q5 connects with the base stage of triode Q8, the emitter of described triode Q4, Q1, Q2, Q5 is connected with input power, and the emitter of described triode Q3, triode Q7, triode Q8 and triode Q6 is connected to the ground, further, the control module described in this programme also comprises resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11 and resistance R12, the base stage of described triode Q3 is connected with one end of resistance R9 with resistance R5 simultaneously, other one end of R9 is connected to the ground, the base stage of triode Q6 is connected with one end of resistance R10 with resistance R6 simultaneously, other one end of R10 is connected to the ground, the collector electrode of triode Q3, the base stage of triode Q1 is connected with one end of resistance R2, other one end of R2 is connected with power supply, the collector electrode of triode Q3, the base stage of triode Q1 is also connected with one end of resistance R3, other one end of R3 is connected with the base stage of triode Q4, the collector electrode of triode Q6, the base stage of triode Q1 is connected with one end of resistance R1, other one end of R1 is connected with power supply, the collector electrode of triode Q6, the base stage of triode Q1 is also connected with one end of resistance R4, other one end of R4 is connected with the base stage of triode Q5, the base stage of triode Q7 is connected with one end of resistance R11, other one end of R11 is connected to the ground, the base stage of triode Q7 is also connected with one end of resistance R7, other one end of R7 is connected with the collector electrode of triode Q4, the base stage of triode Q8 is connected with one end of resistance R12, other one end of R12 is connected to the ground, the base stage of triode Q8 is also connected with one end of resistance R8, other one end of R8 is connected with the collector electrode of triode Q5, triode described in this programme can adopt metal-oxide-semiconductor to substitute, and can certainly be to adopt other electronic devices and components with identical function or effect to substitute, but is to adopt metal-oxide-semiconductor to carry out alternative triode in this programme.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (4)
1. control a circuit for LED brightness, colour temperature simultaneously, it is characterized in that: described circuit comprises pwm signal module, control module and LED module; Described pwm signal module sends PWM1 signal and PWM2 signal two-way pulse-width signal simultaneously, and described PWM1 signal and PWM2 signal transmission are to control module; Described control module exports two-way level to LED module after receiving the PWM1 signal and PWM2 signal sent by pwm signal module simultaneously, described LED module comprises lamp pearl group more than two, have at least one group oppositely to connect in described lamp pearl group, the described lamp pearl group oppositely connected and other lamp pearl group are connected in parallel.
2. the circuit simultaneously controlling LED brightness, colour temperature according to claim 1, is characterized in that: described control module comprises triode Q1, triode Q2, triode Q3, triode Q4, triode Q5, triode Q6, triode Q7 and triode Q8; The collector electrode of described triode Q3 is connected with the base stage of triode Q4, the base stage of triode Q1 simultaneously, the collector electrode of described triode Q4 is connected with the base stage of triode Q7, the collector electrode of described triode Q1 is connected with the collector electrode of triode Q8 simultaneously, and the collector electrode of described triode Q7 is connected with the collector electrode of triode Q2; The collector electrode of described triode Q6 is connected with the base stage of triode Q5, the base stage of triode Q2 simultaneously, the collector electrode of described triode Q5 connects with the base stage of triode Q8, described triode Q4, triode Q1, triode Q2 are connected with input power with the emitter of triode Q5, and the emitter of described triode Q3, triode Q7, triode Q8 and triode Q6 is connected to the ground.
3. the circuit simultaneously controlling LED brightness, colour temperature according to claim 2, is characterized in that: described control module also comprises resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11 and resistance R12, the base stage of described triode Q3 is connected with one end of resistance R9 with resistance R5 simultaneously, other one end of R9 is connected to the ground, the base stage of triode Q6 is connected with one end of resistance R10 with resistance R6 simultaneously, other one end of R10 is connected to the ground, the collector electrode of triode Q3, the base stage of triode Q1 is connected with one end of resistance R2, other one end of R2 is connected with power supply, the collector electrode of triode Q3, the base stage of triode Q1 is also connected with one end of resistance R3, other one end of R3 is connected with the base stage of triode Q4, the collector electrode of triode Q6, the base stage of triode Q2 is connected with one end of resistance R1, other one end of R1 is connected with power supply, the collector electrode of triode Q6, the base stage of triode Q2 is also connected with one end of resistance R4, other one end of R4 is connected with the base stage of triode Q5, the base stage of triode Q7 is connected with one end of resistance R11, other one end of R11 is connected to the ground, the base stage of triode Q7 is also connected with one end of resistance R7, other one end of R7 is connected with the collector electrode of triode Q4, the base stage of triode Q8 is connected with one end of resistance R12, other one end of R12 is connected to the ground, the base stage of triode Q8 is also connected with one end of resistance R8, other one end of R8 is connected with the collector electrode of triode Q5.
4. control the circuit of LED brightness, colour temperature while according to Claims 2 or 3, it is characterized in that: described triode metal-oxide-semiconductor substitutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520245138.8U CN204598391U (en) | 2015-04-22 | 2015-04-22 | A kind of circuit simultaneously controlling LED brightness, colour temperature |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520245138.8U CN204598391U (en) | 2015-04-22 | 2015-04-22 | A kind of circuit simultaneously controlling LED brightness, colour temperature |
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| CN204598391U true CN204598391U (en) | 2015-08-26 |
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| CN201520245138.8U Active CN204598391U (en) | 2015-04-22 | 2015-04-22 | A kind of circuit simultaneously controlling LED brightness, colour temperature |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106507545A (en) * | 2016-12-22 | 2017-03-15 | 重庆绿色科技开发有限公司 | Aircraft multi color temperature brightness adjustable LED illumination intelligence control system |
| CN108934110A (en) * | 2018-08-20 | 2018-12-04 | 浙江凯耀照明股份有限公司 | Adjusting control circuit and its control method under LED light low-light level |
-
2015
- 2015-04-22 CN CN201520245138.8U patent/CN204598391U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106507545A (en) * | 2016-12-22 | 2017-03-15 | 重庆绿色科技开发有限公司 | Aircraft multi color temperature brightness adjustable LED illumination intelligence control system |
| CN106507545B (en) * | 2016-12-22 | 2020-09-25 | 重庆绿色科技开发有限公司 | Airplane multicolor temperature and brightness adjustable LED illumination intelligent control system |
| CN108934110A (en) * | 2018-08-20 | 2018-12-04 | 浙江凯耀照明股份有限公司 | Adjusting control circuit and its control method under LED light low-light level |
| CN108934110B (en) * | 2018-08-20 | 2020-01-31 | 浙江凯耀照明股份有限公司 | Dimming control circuit and method for LED lamp at low brightness |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |