CN206314039U - A kind of Multifunctional LED light adjusting circuit - Google Patents
A kind of Multifunctional LED light adjusting circuit Download PDFInfo
- Publication number
- CN206314039U CN206314039U CN201720022290.9U CN201720022290U CN206314039U CN 206314039 U CN206314039 U CN 206314039U CN 201720022290 U CN201720022290 U CN 201720022290U CN 206314039 U CN206314039 U CN 206314039U
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- CN
- China
- Prior art keywords
- triode
- mcu
- poles
- led light
- adjusting circuit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a kind of Multifunctional LED light adjusting circuit, including MCU, dim signal input branch road, switching signal input branch road, triode Q1 and LED light group；Described MCU is to be integrated with least 2 DSP of A/D converter；MCU also has PWM output ends；The c poles of pole pipe Q1 meet Vcc through resistance R3；The e poles of triode Q1 are grounded by LED light group；The b poles of triode Q1 connect the PWM output ends of MCU；LED light group includes triode Q2, Q3, Q4 and Q5 and 15 LEDs；Triode Q2, Q3, Q4 and Q5 are NPN type triode.The Multifunctional LED light adjusting circuit simple structure, device is few, it is easy to implement.
Description
Technical field
The utility model is related to a kind of Multifunctional LED light adjusting circuit.
Background technology
Existing LED lamp can only typically adjust the brightness of lamp, and with light modulation chip and control chip, circuit is more multiple
It is miscellaneous, it is impossible to flexibly to switch the number of bright light in light fixture, therefore, it is necessary to design a kind of Multifunctional LED light adjusting circuit.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of Multifunctional LED light adjusting circuit, and the Multifunctional LED is adjusted
Optical circuit simple structure, device is few, it is easy to implement.
The technical solution of utility model is as follows：
A kind of Multifunctional LED light adjusting circuit, including MCU, dim signal input branch road, switching signal input branch road, three poles
Pipe Q1 and LED light group；
Described MCU is to be integrated with least 2 DSP of A/D converter；MCU also has PWM output ends；
(1) in dim signal input branch road, potentiometer Rx1 and resistance R1 is composed in series bleeder circuit and is connected on Vcc with ground
Between；The tie point of potentiometer Rx1 and resistance R1 connects first A/D converter in MCU；Vcc is DC power anode；
(2) in switching signal input branch road, potentiometer Rx2 and resistance R2 is composed in series bleeder circuit and is connected on Vcc with ground
Between；The tie point of potentiometer Rx2 and resistance R2 connects second A/D converter in MCU；
(3) triode Q1 is NPN type triode；The c poles of triode Q1 meet Vcc through resistance R3；The e poles of triode Q1 pass through
LED light group is grounded；The b poles of triode Q1 connect the PWM output ends of MCU；
(4) LED light group includes triode Q2, Q3, Q4 and Q5 and 15 LEDs；Triode Q2, Q3, Q4 and Q5 are
NPN type triode；
15 LEDs are divided into 4 groups of formation, 4 LED strings, and the 1st~4 LED string includes 1,2,4 and 8 series connection respectively
LED；
The c of triode Q2, Q3, Q4 and Q5 extremely connects with the e poles of triode Q1；
The LED concatenation ground of e poles the 1st of triode Q2；The b poles of triode Q2 meet the output port L0 of MCU；
The LED concatenation ground of e poles the 2nd of triode Q3；The b poles of triode Q3 meet the output port L1 of MCU；
The LED concatenation ground of e poles the 3rd of triode Q4；The b poles of triode Q4 meet the output port L2 of MCU；
The LED concatenation ground of e poles the 4th of triode Q5；The b poles of triode Q5 meet the output port L3 of MCU.
MCU is used and is integrated with 16 TMS320C2000 series DSPs of A/D converter.
MCU is also connected with CO sensor circuits by A/D converter；The output port of MCU is further connected with alarm.
MCU is also connected with smog sensor circuit by A/D converter；The output port of MCU is further connected with alarm.
MCU is also connected with temperature sensor circuit by A/D converter；The output port of MCU is further connected with alarm.
Described is that alarm is buzzer or audible-visual annunciator.
There is wireless communication module in alarm.
Wireless communication module is 3G or 4G communication modules.
Vcc is generally 5V, other 3 A/D converters of MCU connect respectively CO sensor circuits, smog sensor circuit with
And temperature sensor circuit, the output port of MCU is further connected with alarm.Once CO sensor circuits, smog sensor circuit with
And temperature sensor circuit output valve exceeds preset value, then there is CO excessive concentrations or there is fire in explanation, then start alarm,
Alarm is audible-visual annunciator, or long-distance alarm apparatus (are integrated with 3G or 4G communication modules, start alarm, then lead in alarm
Cross the communication module to be called to default phone number transmission information).
Potentiometer Rx1 and potentiometer Rx2 are connected with rotary switch respectively, and the resistance for adjusting potentiometer by rotary switch is big
It is small.
DSP can be replaced with single-chip microcomputer, and DSP and single-chip microcomputer are existing ripe control device, therefore whole circuit is not
It is related to any methods and procedures, belongs to the protection object of utility model.
Beneficial effect：
Multifunctional LED light adjusting circuit of the present utility model, can pass through potentiometer and PWM mode is adjusted by LED light group
Size of current；The lamp number that can also be lighted by the control of another potentiometer, flexibility is good.
This circuit only one of which integrated chip (DSP), peripheral circuit includes multiple potentiometers and triode and LED,
Circuit is simple.
Brief description of the drawings
Fig. 1 is the overall electricity principle schematic of Multifunctional LED light adjusting circuit；
Fig. 2 is the driving principle figure of LED light group.
Specific embodiment
The utility model is described in further details below with reference to the drawings and specific embodiments：
Embodiment 1：Such as Fig. 1~2, a kind of Multifunctional LED light adjusting circuit, including MCU, dim signal input branch road, switching
Signal input branch road, triode Q1 and LED light group；
Described MCU is to be integrated with least 2 DSP of A/D converter；MCU also has PWM output ends；
(1) in dim signal input branch road, potentiometer Rx1 and resistance R1 is composed in series bleeder circuit and is connected on Vcc with ground
Between；The tie point of potentiometer Rx1 and resistance R1 connects first A/D converter in MCU；Vcc is DC power anode；
(2) in switching signal input branch road, potentiometer Rx2 and resistance R2 is composed in series bleeder circuit and is connected on Vcc with ground
Between；The tie point of potentiometer Rx2 and resistance R2 connects second A/D converter in MCU；
(3) triode Q1 is NPN type triode；The c poles of triode Q1 meet Vcc through resistance R3；The e poles of triode Q1 pass through
LED light group is grounded；The b poles of triode Q1 connect the PWM output ends of MCU；
(4) LED light group includes triode Q2, Q3, Q4 and Q5 and 15 LEDs；Triode Q2, Q3, Q4 and Q5 are
NPN type triode；
15 LEDs are divided into 4 groups of formation, 4 LED strings, and the 1st~4 LED string includes 1,2,4 and 8 series connection respectively
LED；
The c of triode Q2, Q3, Q4 and Q5 extremely connects with the e poles of triode Q1；
The LED concatenation ground of e poles the 1st of triode Q2；The b poles of triode Q2 meet the output port L0 of MCU；
The LED concatenation ground of e poles the 2nd of triode Q3；The b poles of triode Q3 meet the output port L1 of MCU；
The LED concatenation ground of e poles the 3rd of triode Q4；The b poles of triode Q4 meet the output port L2 of MCU；
The LED concatenation ground of e poles the 4th of triode Q5；The b poles of triode Q5 meet the output port L3 of MCU.
MCU is used and is integrated with 16 TMS320C2000 series DSPs of A/D converter.
MCU is also connected with CO sensor circuits, smog sensor circuit and temperature sensor circuit by A/D converter；
The output port of MCU is further connected with alarm.Described is that alarm is buzzer or audible-visual annunciator.There is channel radio in alarm
Letter module.Wireless communication module is 3G or 4G communication modules.
Potentiometer Rx1 and potentiometer Rx2 are connected with rotary switch respectively, and the resistance for adjusting potentiometer by rotary switch is big
It is small.
Course of work explanation：
Dimming process：
When Rx1 is in maximum resistance, the largest duty cycle of PWM, under the control of Q1, the brightness of single led lamp is maximum.Instead
It, when Rx1 is in minimum resistance, the dutycycle of PWM is minimum, and under the control of Q1, the brightness of single led lamp is minimum, can regard
For all LEDs are extinguished.
LED handoff procedure：
When Rx2 is in maximum resistance, the voltage of handoff leg output is minimum, and now the level of L3L2L1L0 is 0000, then
Four lamp strings all extinguish.
When Rx2 is in minimum resistance, the voltage of handoff leg output is maximum, and now the level of L3L2L1L0 is 1111, then
Four lamp strings are all lighted.
Rx2 resistance linear change between the largest and smallest, then the level of L3L2L1L0 accordingly from 0000 to 1111 it
Between linear change, the light on and off state of the Automatic level control of L3L2L1L0 this 4 lamp strings, such that it is able to realize each LED switching and
Control.If L3L2L1L0 is 0101, then it represents that the 1st and the 3rd article of lamp string is lighted.
Claims (8)
1. a kind of Multifunctional LED light adjusting circuit, it is characterised in that including MCU, dim signal input branch road, switching signal input
Branch road, triode Q1 and LED light group；
Described MCU is to be integrated with least 2 DSP of A/D converter；MCU also has PWM output ends；
In dim signal input branch road, potentiometer Rx1 and resistance R1 is composed in series bleeder circuit and is connected between Vcc and ground；Current potential
The tie point of device Rx1 and resistance R1 connects first A/D converter in MCU；Vcc is DC power anode；
In switching signal input branch road, potentiometer Rx2 and resistance R2 is composed in series bleeder circuit and is connected between Vcc and ground；Current potential
The tie point of device Rx2 and resistance R2 connects second A/D converter in MCU；
Triode Q1 is NPN type triode；The c poles of triode Q1 meet Vcc through resistance R3；The e poles of triode Q1 pass through LED light group
Ground connection；The b poles of triode Q1 connect the PWM output ends of MCU；
LED light group includes triode Q2, Q3, Q4 and Q5 and 15 LEDs；Triode Q2, Q3, Q4 and Q5 are NPN type three
Pole pipe；
15 LEDs are divided into 4 groups of formation, 4 LED strings, and the 1st~4 LED string includes 1,2,4 and 8 LED of series connection respectively
Lamp；
The c of triode Q2, Q3, Q4 and Q5 extremely connects with the e poles of triode Q1；
The LED concatenation ground of e poles the 1st of triode Q2；The b poles of triode Q2 meet the output port L0 of MCU；
The LED concatenation ground of e poles the 2nd of triode Q3；The b poles of triode Q3 meet the output port L1 of MCU；
The LED concatenation ground of e poles the 3rd of triode Q4；The b poles of triode Q4 meet the output port L2 of MCU；
The LED concatenation ground of e poles the 4th of triode Q5；The b poles of triode Q5 meet the output port L3 of MCU.
2. Multifunctional LED light adjusting circuit according to claim 1, it is characterised in that MCU is turned using 16 A/D are integrated with
The TMS320C2000 series DSPs of parallel operation.
3. Multifunctional LED light adjusting circuit according to claim 1, it is characterised in that MCU is also connected by A/D converter
There are CO sensor circuits；The output port of MCU is further connected with alarm.
4. Multifunctional LED light adjusting circuit according to claim 1, it is characterised in that MCU is also connected by A/D converters
There is smog sensor circuit；The output port of MCU is further connected with alarm.
5. Multifunctional LED light adjusting circuit according to claim 1, it is characterised in that MCU is also connected by A/D converter
There is temperature sensor circuit；The output port of MCU is further connected with alarm.
6. the Multifunctional LED light adjusting circuit according to claim any one of 3-5, it is characterised in that the alarm is honeybee
Ring device or audible-visual annunciator.
7. the Multifunctional LED light adjusting circuit according to claim any one of 3-5, it is characterised in that there is nothing in alarm
Line communication module.
8. Multifunctional LED light adjusting circuit according to claim 7, it is characterised in that wireless communication module is logical for 3G or 4G
Letter module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720022290.9U CN206314039U (en) | 2017-01-10 | 2017-01-10 | A kind of Multifunctional LED light adjusting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720022290.9U CN206314039U (en) | 2017-01-10 | 2017-01-10 | A kind of Multifunctional LED light adjusting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206314039U true CN206314039U (en) | 2017-07-07 |
Family
ID=59247934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720022290.9U Expired - Fee Related CN206314039U (en) | 2017-01-10 | 2017-01-10 | A kind of Multifunctional LED light adjusting circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206314039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109246889A (en) * | 2018-09-26 | 2019-01-18 | 华域视觉科技(上海)有限公司 | The LED drive circuit and its driving method and storage medium of DC-DC and linear combination |
-
2017
- 2017-01-10 CN CN201720022290.9U patent/CN206314039U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109246889A (en) * | 2018-09-26 | 2019-01-18 | 华域视觉科技(上海)有限公司 | The LED drive circuit and its driving method and storage medium of DC-DC and linear combination |
| CN109246889B (en) * | 2018-09-26 | 2024-03-05 | 华域视觉科技(上海)有限公司 | DC-DC and linear combination LED driving circuit, driving method thereof and storage medium |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170707 Termination date: 20180110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |