CN207399568U - A kind of control circuit of LED light modulations toning circuit - Google Patents
A kind of control circuit of LED light modulations toning circuit Download PDFInfo
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- CN207399568U CN207399568U CN201721460413.3U CN201721460413U CN207399568U CN 207399568 U CN207399568 U CN 207399568U CN 201721460413 U CN201721460413 U CN 201721460413U CN 207399568 U CN207399568 U CN 207399568U
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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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Abstract
The utility model discloses the control circuit that a kind of LED dims toning circuit, including LED drive module, MCU control module and several field-effect tube.LED drive module external power supply is simultaneously equipped with the first output terminal and second output terminal.The input terminal of MCU control module connects the first output terminal of the LED drive module, and MCU control module is equipped with the 3rd output terminal.Effect pipe includes two N-channel field-effect tube Q1 and Q3 and two P-channel field-effect transistor (PEFT) pipe Q2 and Q4, the drain of Q1 and Q2 is connected to the second output terminal of LED drive module, the grid grade of Q1, Q2, Q3 and Q4 are commonly connected to the 3rd output terminal of MCU control module, the source level of Q1 and the drain of Q3 are connected to the P1 input terminals of light modulation toning circuit, the source level of Q2 and the drain of Q4 are connected to the P2 input terminals of light modulation toning circuit, the source level of Q3 and the source level ground connection of Q4.The utility model is beneficial in that：Two power cords are only needed, polarity installation can not shine two lines during use, reduce installation difficulty and reduce cost.
Description
Technical field
The utility model is related to circuit design field, more particularly to a kind of control circuit of LED light modulations toning circuit.
Background technology
LED due to energy-saving and environmental protection, can the lot of advantages such as light-operated, solidification, long-life, advocating low-carbon life
Have been widely used for various lighting areas today.
At present, in the market brightness-adjustable and colour temperature White LED soft light bar is all using two-way different-colour LED circuit point
The mode not adjusted, circuit structure need three power input lines.Therefore, corresponding controller need three delivery outlets, it is necessary to
Polarity corresponds to installation, common port polarity also need it is consistent with load LED, it is relatively difficult during causing to install and use and increase
Cost.
The content of the invention
The purpose of this utility model is to provide a kind of need two power cords and can not polarity installation LED tune
The control circuit of light toning circuit.
To achieve these goals, the technical solution adopted in the utility model is as follows：
A kind of control circuit of LED light modulations toning circuit, including LED drive module, MCU control module and several effects
Ying Guan.The LED drive module external power supply, the LED drive module are equipped with the first output terminal and second output terminal.Institute
The input terminal for the MCU control module stated connects the first output terminal of the LED drive module, and the MCU control module is equipped with
3rd output terminal.The field-effect tube include two N-channel field-effect tube Q1 and Q3 and two P-channel field-effect transistor (PEFT) pipe Q2 and
The drain of Q4, Q1 and Q2 are connected to the second output terminal of LED drive module, and the grid grade of Q1, Q2, Q3 and Q4 are commonly connected to MCU
3rd output terminal of control module, the source level of Q1 and the drain of Q3 are connected to the P1 input terminals of LED light modulation toning circuits, the source of Q2
Grade and the drain of Q4 are connected to the P2 input terminals of LED light modulation toning circuits, the source level of Q3 and the source level ground connection of Q4.
When MCU control module exports high potential, the conducting of Q1 and Q4 N-channels field-effect tube, and Q2 and Q3 P-channels field is imitated
Should pipe close, electric current from Q1 field-effect tube by from P1 ports export.After conducting LED shines, electric current is flowed by port P2, warp
Cross Q4 completions.When MCU exports low potential, the conducting of Q2 and Q3 N-channels field-effect tube, and Q1 and Q4 P-channel field-effect transistor (PEFT)s pipe closes
Electric currents are closed from Q1 field-effect tube by being exported from P2 ports.Electric currents are flowed by port P1 after conducting LED shines, complete by Q3
Into.
Further, described LED light modulations toning circuit includes the first branch and the second branch, the first branch and
One end of the second branch is connected respectively with P1 input terminals and P2 input terminals, and the first branch is connected with the other end of the second branch
Common port is formed together.The first branch is composed in parallel by two in the lamp string of reversed arrangement, and every lamp string is by several
A LED light is composed in series.
Further, described LED light modulations toning circuit includes the 3rd branch and the 4th branch, the 3rd branch and
One end of 4th branch is connected respectively with P1 input terminals and P2 input terminals, the other end connection of the 3rd branch and the 4th branch
Common port is formed together.Described the 3rd route several lamp groups and is composed in series, each lamp group by two LED light reversely simultaneously
Connection composition.
The utility model has the advantages that：Light modulation toning control circuit output terminal only has two power cords, uses
Polarity installation can not shine this two power cords in the process, reduce installation difficulty.Since circuit structure is simple, this practicality
New control circuit is at low cost and is easy to industrial production and manufacturing.
Description of the drawings
Fig. 1 is the circuit diagram of the utility model.
Fig. 2 is the circuit diagram of the first light modulation toning circuit.
Fig. 3 is the circuit diagram of second of light modulation toning circuit.
Primary clustering symbol description：1st, LED drive module；11st, the first output terminal；12nd, second output terminal；2nd, MCU is controlled
Module；21st, the 3rd output terminal；31st, N-channel field-effect tube Q1；32nd, P-channel field-effect transistor (PEFT) pipe Q2；33rd, N-channel field-effect tube Q3；
34th, P-channel field-effect transistor (PEFT) pipe Q4；4th, light modulation toning circuit；41st, the first branch；42nd, the second branch；411st, the first lamp string；412nd,
Two lamp strings；5th, light modulation toning circuit；51st, the 3rd branch；52nd, the 4th branch；511st, lamp group；6th, LED light；7th, power supply.
Specific embodiment
With reference to the accompanying drawings and detailed description, the utility model is described further.
As shown in Figure 1, a kind of control circuit of LED light modulations toning circuit, including LED drive module 1, MCU control module 2
With several field-effect tube.1 external power supply 7 of LED drive module, LED drive module 1 are equipped with the first output terminal 11 and the second output
End 12.First output terminal 11 of the input terminal connection LED drive module 1 of MCU control module 2, MCU control module 2 are equipped with the 3rd
Output terminal 21.Field-effect tube includes N-channel field-effect tube Q1（31）, N-channel field-effect tube Q3（33）, P-channel field-effect transistor (PEFT) pipe Q2
（32）With P-channel field-effect transistor (PEFT) pipe Q4（34）, Q1（31）And Q2（32）Drain be connected to the second output terminal of LED drive module 1
12, Q1（31）、Q2（32）、Q3（33）And Q4（34）Grid grade be commonly connected to the 3rd output terminal 21, Q1 of MCU control module 2
（31）Source level and Q3（33）Drain be connected to LED light modulation toning circuit P1 input terminals, Q2（32）Source level and Q4（34）
Drain be connected to LED light modulation toning circuit P2 input terminals, Q3（33）Source level and Q4（34）Source level ground connection.
As shown in Fig. 2, LED light modulation toning circuits 4 include the first branch 41 and the second branch 42, the first branch 41 and second
One end of branch 42 is connected respectively with P1 input terminals and P2 input terminals, and the other end is joined together to form common port.The first branch
41 are composed in parallel by two in the first lamp string 411 and the second lamp string 412 of reversed arrangement, the first lamp string 411 and the second lamp string 412
It is composed in series respectively by several LED light 6.
As shown in figure 3, LED light modulation toning circuits 5 include the 3rd branch 51 and the 4th branch 52, the 3rd branch 51 and the 4th
One end of branch 52 is connected respectively with P1 input terminals and P2 input terminals, and the other end is joined together to form common port.3rd branch
51 are composed in series by several lamp groups 511, and each lamp group 511 is made of two 6 reverse parallel connections of LED light.
The operation principle of the utility model：When MCU control module 2 exports high potential, Q1（31）And Q4（34）N-channel field
Effect pipe turns on, and Q2（32）And Q3（33）P-channel field-effect transistor (PEFT) pipe is closed, and electric current is from Q1（31）Field-effect tube is by from P1 ends
Mouth output.After conducting LED shines, electric current is flowed by port P2, by Q4（34）It completes.When MCU control module 2 exports low electricity
During position, Q2（32）And Q3（33）N-channel field-effect tube turns on, and Q1（31）And Q4（34）P-channel field-effect transistor (PEFT) pipe closes electric currents
From Q1（31）Field-effect tube from P2 ports by exporting.Electric currents are flowed by port P1 after conducting LED shines, by Q3（33）
It completes.
Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should
This is understood, in the spirit and scope for not departing from the utility model that the appended claims are limited, in form and details
On the utility model is made a variety of changes, be the scope of protection of the utility model.
Claims (3)
1. a kind of control circuit of LED light modulations toning circuit, it is characterised in that：The control electricity of the LED light modulation toning circuits
Road includes LED drive module, MCU control module and several field-effect tube, and the LED drive module external power supply is described
LED drive module be equipped with the first output terminal and second output terminal, the input terminal of the MCU control module connects the LED
First output terminal of drive module, the MCU control module are equipped with the 3rd output terminal, and the field-effect tube includes two N
Channel field-effect pipe Q1 and Q3 and two P-channel field-effect transistor (PEFT) pipe Q2 and the drain of Q4, Q1 and Q2 are connected to the of LED drive module
Two output terminals, the grid grade of Q1, Q2, Q3 and Q4 are commonly connected to the 3rd output terminal of MCU control module, the leakage of the source level and Q3 of Q1
Grade is connected to the P1 input terminals of LED light modulation toning circuits, and the source level of Q2 and the drain of Q4 are connected to the P2 of LED light modulation toning circuits
Input terminal, the source level of Q3 and the source level ground connection of Q4.
2. a kind of control circuit of LED light modulations toning circuit as described in claim 1, it is characterised in that：The LED light modulations
Circuit of mixing colours includes the first branch and the second branch, one end of the first branch and the second branch respectively with P1 input terminals and
P2 input terminals connect, and the other end of the first branch and the second branch is joined together to form common port, described first
Routing two is composed in parallel in the lamp string of reversed arrangement, and every lamp string is composed in series by several LED light.
3. a kind of control circuit of LED light modulations toning circuit as described in claim 1, it is characterised in that：The LED light modulations
Circuit of mixing colours includes the 3rd branch and the 4th branch, one end of the 3rd branch and the 4th branch respectively with P1 input terminals and
P2 input terminals connect, and the other end of the 3rd branch and the 4th branch is joined together to form common port, the described the 3rd
It route several lamp groups to be composed in series, each lamp group is made of two LED light reverse parallel connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460413.3U CN207399568U (en) | 2017-11-06 | 2017-11-06 | A kind of control circuit of LED light modulations toning circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460413.3U CN207399568U (en) | 2017-11-06 | 2017-11-06 | A kind of control circuit of LED light modulations toning circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207399568U true CN207399568U (en) | 2018-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721460413.3U Active CN207399568U (en) | 2017-11-06 | 2017-11-06 | A kind of control circuit of LED light modulations toning circuit |
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| CN (1) | CN207399568U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108901099A (en) * | 2018-07-02 | 2018-11-27 | 惠州市华阳光电技术有限公司 | A kind of light modulation toning circuit based on two conducting wire connection LED components |
-
2017
- 2017-11-06 CN CN201721460413.3U patent/CN207399568U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108901099A (en) * | 2018-07-02 | 2018-11-27 | 惠州市华阳光电技术有限公司 | A kind of light modulation toning circuit based on two conducting wire connection LED components |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A control circuit of LED dimming and color matching circuit Effective date of registration: 20220428 Granted publication date: 20180522 Pledgee: Xiamen Branch of PICC Pledgor: XIAMEN YIYUANYUAN TECHNOLOGY Co.,Ltd. Registration number: Y2022980004998 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230522 Granted publication date: 20180522 Pledgee: Xiamen Branch of PICC Pledgor: XIAMEN YIYUANYUAN TECHNOLOGY Co.,Ltd. Registration number: Y2022980004998 |