CN104080235B - A kind of LED lamp regulator control system - Google Patents
A kind of LED lamp regulator control system Download PDFInfo
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- CN104080235B CN104080235B CN201310125356.3A CN201310125356A CN104080235B CN 104080235 B CN104080235 B CN 104080235B CN 201310125356 A CN201310125356 A CN 201310125356A CN 104080235 B CN104080235 B CN 104080235B
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
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Abstract
A kind of LED lamp regulator control system includes that two signal generator modules, two signals negate module, two signal control modules, and a LED lamp group.The signal negates module to be used for inverting the voltage levels of the control signal.The signal control module includes that metal-oxide-semiconductor the output signal that negates module according to the signal respectively control the voltage direction at the LED lamp group two ends.The LED lamp group includes that the first LED light group, and the second LED light group, first, second LED light group switch between light on and off according to the voltage direction at LED lamp group two ends.The LED lamp regulator control system can cause the light on and off switching that only just can realize first, second LED light group with two wires, it is achieved that the reduction of connecting wire, advantageously reduce cost and typesetting difficulty, while reducing fitting structure.
Description
Technical field
The present invention relates to a kind of power-supply device, the LED lamp regulator control system of particularly a kind of adjustable color.
Background technology
As the theory of " hommization illumination " is rooted in the hearts of the people, Lighting Design should build good room lighting effect, with full
The requirement of each side such as sufficient people's physiology, psychology.And colour temperature is the key factor of Lighting Design, different colour temperatures gives people different
Feel, different Man's Demands can be met.Therefore in some light fixtures, by dimming to the cold-warm color of light fixture, on reaching
State purpose.Existing adjustable color control system is made up of power supply, controller, adjustable color light fixture.Adjustable color light fixture is often
It is spaced by two groups of cool colours and warm colour LED, and two groups of cool colours is consistent with the voltage direction of warm colour LED.Such as Fig. 1 such as
Show, be the circuit diagram of existing adjustable color control system.The circuit diagram includes a power supply 1, and one is electrically connected with the power supply 1
The whistle control system for connecing, a signal generator module 3 for being used for providing control signal to the whistle control system 2, and
One LED lamp group 4 being electrically connected with the whistle control system 2 and power supply 1.Used electronic devices and components in the circuit diagram
Specification and function be all known by those skilled in the art, will not be described in detail herein.The signal generator module 3 is in order to producing arteries and veins
Rush width modulated (Pulse Width Modulation, abbreviation PWM) signal, you being positive and negative alternate square-wave signal.Institute
Stating LED lamp group 4 includes one group of cool colour LED D1-Dn and one group of warm colour LED Dn+1-D2n.The whistle control system 2
According to the control signal that the signal generator module 3 is exported, it is cool colour LED D1-Dn, or warm colour LED Dn+1-D2n is carried
For electric power, so as to control the working condition of two groups of cool colours and warm colour LED.In the adjustable color control system, due to two
Group cool colour is consistent with the voltage direction of warm colour LED, is to power to the LED lamp group 4, it is necessary to using including an electricity
Source line, the control line of a working condition for controlling cool colour LED D1-Dn, one controls warm colour LED Dn+1-
The control line of the working condition of D2n, this cabling requirement can cause the overall cost of light fixture of a relatively high, while also add lamp
The typesetting difficulty of tool circuit, is also unfavorable for the control of fitting structure size.
Content of the invention
In view of this, it is necessary to provide a kind of LED lamp regulator control system that can reduce transmission of electricity and control circuit, to overcome
Above-mentioned deficiency.
A kind of LED lamp regulator control system include two have dead zone function signal generator modules, two respectively with signal
The signal that generation module is electrically connected with negates module, and two negate the signal control modules that module is electrically connected with respectively with signal,
And a LED lamp group being electrically connected with the signal control module.The signal generator module is respectively used to as the letter
Number control module produces control signal, and described two signal generator modules export high level signal or low level signal respectively.Institute
State signal module is negated for inverting to the voltage levels of the control signal.The signal control module includes metal oxygen
Compound semiconductcor field transistor (metal-oxide-semiconductor), and the output signal for negating module according to the signal respectively controls the LED lamp
The voltage direction at group two ends.Each described signal control module includes a P-MOS pipe and a N-MOS pipe, the P-MOS
Pipe, LED lamp group and N-MOS pipes are sequentially connected in series electric connection.The LED lamp group includes least one set conducting voltage phase
The first anti-LED light group and the second LED light wire, first LED light group are arranged in parallel with the second LED light group, and described first, second
LED light group switches between light on and off according to the voltage direction at LED lamp group two ends.
Compared with prior art, the LED lamp group of the LED lamp regulator control system is by two groups of first, second in parallel LED
The conducting voltage direction of lamp group is reverse, so as to the control signal for utilizing described two signal generator modules to be exported, and signal
Compiling of the control module to the control signal, and then can cause only just can realize first, second LED with two wires
The light on and off switching of lamp group, it is achieved that the reduction of connecting wire, advantageously reduces cost and typesetting difficulty, while reducing light fixture knot
Structure.
Description of the drawings
Below in conjunction with Description of Drawings embodiments of the invention, wherein：
Fig. 1 is the circuit diagram of existing adjustable color control system.
A kind of schematic block circuit diagram of LED lamp regulator control system that Fig. 2 is provided for the present invention.
Circuit diagrams of the Fig. 3 for the LED lamp regulator control system of Fig. 2.
Specific embodiment
The specific embodiment of the present invention is further elaborated below based on accompanying drawing.It should be appreciated that this place is retouched
The specific embodiment that states is only used as embodiment, the protection domain being not intended to limit the present invention.
Fig. 2 and Fig. 3 is referred to, which is a kind of schematic block circuit diagram of LED lamp regulator control system 100 provided by the present invention
And circuit diagram.The LED lamp regulator control system 100 includes a power supply 10, two signal controls being electrically connected with the power supply 10
Molding block 11, two signal generator module 12A, 12B being electrically connected with described two signal control modules 11A, 11B respectively,
Two signals being electrically connected with described signal generator module 12A, 12B respectively negate module 13A, 13B, and one with described
The LED lamp group 14 that two signal control modules 11A, 11B and power supply 10 are electrically connected with.
Need the ginseng it is further noted that electronic circuit components and parts involved in above-mentioned each functional unit or module
Number, function, structure and operation principle etc. are all the technology known by those skilled in the art, and here will not be described in great detail.
The power supply 10 can be direct current after the conversion such as civil power, generating set etc., its as needed setting, at this
In embodiment, as the LED lamp group 14 is LED, so dc source of the power supply 10 for 24V.
The LED lamp group 14 includes the first contrary LED light group D1-Dn of least one set conducting voltage, and the second LED
Dn+1-D2n is organized, and first LED light group D1-Dn is arranged in parallel with second LED light group Dn+1-D2n.Many to known
It is that a kind of light-emitting component of the LED for light emitting diode, i.e. one-way conduction, therefore when first LED light group D1-Dn and the
The conducting voltage of two LED light groups Dn+1-D2n in opposite direction when, load for the LED lamp group 14 when at a time a certain
During the voltage in direction, then a group in only described first, second LED light group can turn on luminous, and another group is turned off and does not send out
Light.In the present embodiment, the LED lamp group 14 only includes two groups of LEDs, it is contemplated that the LED lamp group can be with
Including multigroup, as long as it is reverse to have the conducting voltage of one group of LED and the conducting voltage of other groups.In order to reach colour temperature
Regulation and control, the colour temperature of first, second LED light group can be and another with difference, warm colour light of the such as one group colour temperature for 2700K
Cool colour light of the group colour temperature for 6500K.Certainly, their colour temperature can also be identical, but other parameters are different, such as light direction
Deng being set as desired.In order that the electric current being loaded in first, second lamp group D1-Dn, Dn+1-D2n meets its specified electricity
The requirement on road, each group of LED light group can also be connected a current-limiting resistance respectively.In the present embodiment, first, second lamp
Group D1-Dn, Dn+1-D2n are connected resistance R9, a R10 respectively.
Described signal generator module 12A, 12B are respectively used to provide control for described two signal control modules 11A, 11B
Signal.It can be user's control that described signal generator module 12A, 12B can be single-chip microcomputer, timer or central processing unit etc.
Signal generation mechanism.In the present embodiment, described signal generator module 12A, 12B are single-chip microcomputer, and which is a kind of integrated circuit
Chip, its adopt very large scale integration technology the processor with data-handling capacity, random access memory, read-only storage
Device, multiple I/O mouths and interrupt system, the function such as timer and (may also include display driver circuit, pulse-width modulation circuit, simulation
The circuits such as multiplexer, A/D converter) it is integrated on one piece of silicon chip.Therefore, it can produce the signal according to actual conditions
Module 12A, 12B is programmed the programs such as control, such as system initialization, output level height, dutycycle.In the present embodiment,
Described signal generator module 12A, 12B export high level signal, or low level signal respectively according to the instruction or input of user, i.e.,
When signal generator module 12A exports high level signal according to the instruction of user, then signal generator module 12B then exports low level
Signal.Meanwhile, when high level signal is exported, first LED light group D1-Dn will be turned on and be lighted, and due to the second LED light group
Due to being reversely electrically connected with the first LED light group D1-Dn, therefore the second LED light group Dn+1-D2n will be cut off Dn+1-D2n.?
Therefore, user can by control the output of described signal generator module 12A, 12B come control the first LED light group D1-Dn with
The break-make of the second LED light group Dn+1-D2n, so that control the colour temperature of whole LED lamp group 14.It is understood, however, that the letter
Number generation module 12A, 12B can also pass through procedure auto-control.When two signal generator module 12A, 12B conversion low and high levels
During signal, in order to prevent the overlap of low and high level signal, i.e., when low and high level is changed, in order to prevent high level with low electricity
Put down and simultaneously turn on and cause scaling loss electronic devices and components, there is dead zone function between two signal generator modules 12A, the 12B therefore,
To avoid above-mentioned unexpected generation.In order to reach the dead zone function, Dead Time will be set, that is, two signals are produced
The time that module 12A, 12B is simultaneously turned off, the signal that the Dead Time can be effectively prevented from postponing caused by effect produce
Module is not complete switched off, and another signal generator module is in the conduction state.In described two signal generator module 12A, 12B
Between the dead zone function is set can be programmed to complete.
Described two signal control modules 11A, 11B include metal oxide semiconductor transistor (metal-oxide-semiconductor), use respectively
In the voltage direction of controlled loading to the voltage at 14 two ends of LED lamp group, to control first, second LED light group D1-
The break-make of Dn, Dn+1-D2n.Each signal control module 11A, 11B described includes a P-MOS pipe and a N-MOS
Pipe.The P-MOS pipes are arranged on the high level end of the LED lamp regulator control system 100, and N-MOS pipes are arranged on the LED lamp
The low level end of regulator control system 100, and P-MOS pipes, LED lamp group 13, N-MOS pipes be sequentially connected in series.Refer to figure
3, signal control module 11A includes a P-MOS pipe Q1, and a N-MOS pipe Q4, and signal control module 11B includes
One P-MOS pipe Q2, and a N-MOS pipe Q3, as described P-MOS pipes Q1, Q2, and the method for attachment of N-MOS pipe Q3, Q4
The ABC known by those skilled in the art is should be, be will not be described in detail herein.Referring to the circuit theory diagrams shown in Fig. 3,
The operation principle of the LED lamp regulator control system 100 to be described.When the output signal of signal generator module 12A is high level,
The P-MOS pipes Q1 will be turned on, and turn on N-MOS pipes Q4 then, and the output signal of synchronous signal generation module 12B is low electricity
Flat, then P-MOS pipes Q2 will be closed, and N-MOS pipes Q3 is closed then.Therefore, now the two ends of the first LED light group D1-Dn are just
To voltage, so that the conducting of the first LED light group D1-Dn, and the second LED light group Dn+1-D2n is closed.And work as signal and produce mould
The output signal of block 12A is low level, and when the output signal of signal generator module 12B is high level, the direction of voltage will be carried out
Switching, the i.e. two ends of the second LED light group Dn+1-D2n are backward voltage, so that the first LED light group D1-Dn is closed, and the
Two LED light groups Dn+1-D2n are turned on, and then realize that first, second LED light group D1-Dn, Dn+1-D2n switches between light on and off, from
And realize the regulation and control of light fixture colour temperature.
The signal negates module 13A, 13B and is respectively used to believe the control from signal generator module 12A, 12B
Number voltage levels inverted, i.e., when the signal generator module 12A export high level signal when, module is negated by the signal
13A inverts into low level signal, when the signal generator module 12B exports low level signal, negates module 13B by the signal
Invert into high level signal.The signal negates the presence of module 13A, 13B, is due to setting in signal control module 11A, 11B
The characteristic decision of the P-MOS pipes Q1 for putting and N-MOS pipe Q4, with the first LED light group that signal control module 11A is controlled be
Example, due to the conducting when low level is loaded as P-MOS pipes Q1, and N-MOS pipes Q4 is turned on when high level is loaded, it is therefore desirable to
The high level that signal generator module 12A is loaded is inverted for low level, and now before P-MOS pipe Q1, signal control module
The P-MOS pipes of 11B need to close, and therefore the low level signal of the signal control module 11B output needs to invert and puts down for height, because
This, needs the signal to negate the presence of module 13B.The signal negates module 13A, 13B, and each includes a triode
Q5、Q6.When the triode Q5, Q6 are turned on, the source voltage of the P-MOS pipes of signal control module 11A is pulled low, so as to
So that P-MOS pipes Q1 conductings, and the source electrode of N-MOS pipe Q2 is high level in the conduction state.
Compared with prior art, the LED lamp group 14 of the LED lamp regulator control system 100 by two groups in parallel first, the
The conducting voltage direction of two LED light groups is reverse, so as to the control signal for utilizing described signal generator module 12A, 12B to be exported,
And compiling of signal control module 11A, 11B to the control signal, and then can cause only just can be realized with two wires
The light on and off switching of first, second LED light group, it is achieved that the reduction of connecting wire, advantageously reduces cost and typesetting difficulty,
And reduce the structure of light fixture.
Presently preferred embodiments of the present invention is the foregoing is only, not in order to limit the present invention, all in essence of the invention
Interior made any modification of god and principle, equivalent and improvement etc., should be included in the interior of protection scope of the present invention.
Claims (7)
1. a kind of LED lamp regulator control system, it is characterised in that：The light fixture regulator control system includes two letters with dead zone function
Number generation module, two signals being electrically connected with signal generator module respectively negate module, and two negate mould with signal respectively
The signal control module that block is electrically connected with, and a LED lamp group being electrically connected with the signal control module, the signal
Generation module is respectively used to produce control signal for the signal control module, and described two signal generator modules export height respectively
Level signal or low level signal, the signal negate module for inverting to the voltage levels of the control signal, institute
Stating signal control module includes MOS field transistor (metal-oxide-semiconductor), and negates module according to the signal respectively
Output signal control the voltage direction at the LED lamp group two ends, each described signal control module includes a P-MOS
Pipe and a N-MOS pipe, the P-MOS pipes, LED lamp group and N-MOS pipes are sequentially connected in series electric connection, the LED lamp
Group includes the first contrary LED light group of least one set conducting voltage and the second LED light group, first LED light group and the second LED
Group is arranged in parallel, and first, second LED light group switches between light on and off according to the voltage direction at LED lamp group two ends.
2. LED lamp regulator control system as claimed in claim 1, it is characterised in that：The signal generator module is single-chip microcomputer, meter
When device, the one kind in central processing unit.
3. LED lamp regulator control system as claimed in claim 1, it is characterised in that：The control that the signal generator module is produced
Signal is pulse width modulation (Pulse Width Modulation) signal.
4. LED lamp regulator control system as claimed in claim 1, it is characterised in that：First, second LED light group is wrapped respectively
Include a current-limiting resistance.
5. LED lamp regulator control system as claimed in claim 1, it is characterised in that：The colour temperature of first, second LED is not
With.
6. LED lamp regulator control system as claimed in claim 1, it is characterised in that：The P-MOS pipes are arranged on the LED
The high level end of tool regulator control system.
7. LED lamp regulator control system as claimed in claim 1, it is characterised in that：The N-MOS pipes are arranged on the LED
The low level end of tool regulator control system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310125356.3A CN104080235B (en) | 2013-03-28 | 2013-03-28 | A kind of LED lamp regulator control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310125356.3A CN104080235B (en) | 2013-03-28 | 2013-03-28 | A kind of LED lamp regulator control system |
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| CN104080235B true CN104080235B (en) | 2017-03-15 |
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| CN107787089B (en) * | 2017-11-03 | 2023-06-20 | 赛尔富电子有限公司 | LED lamp regulation and control system |
| CN109475028A (en) * | 2018-12-15 | 2019-03-15 | 深圳和而泰智能照明有限公司 | A kind of lighting device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713508A (en) * | 2009-11-10 | 2010-05-26 | 福建泉州世光照明科技有限公司 | Intelligently adjustable-color temperature LED lamp |
| CN203206540U (en) * | 2013-03-28 | 2013-09-18 | 林万炯 | LED lamp regulation and control system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201062748Y (en) * | 2007-07-25 | 2008-05-21 | 杜振辉 | Stroboscopic/lighting device based on LED |
| CN101765274B (en) * | 2010-01-29 | 2013-06-19 | 海洋王照明科技股份有限公司 | LED lamp and drive circuit |
| CN201877778U (en) * | 2010-11-25 | 2011-06-22 | 江苏银佳企业集团有限公司 | Overcurrent protection circuit of solar street lamp |
| JP5828067B2 (en) * | 2011-04-04 | 2015-12-02 | パナソニックＩｐマネジメント株式会社 | Semiconductor light-emitting element lighting device and lighting fixture using the same |
| CN203147684U (en) * | 2013-03-28 | 2013-08-21 | 林万炯 | LED lamp regulating control system |
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2013
- 2013-03-28 CN CN201310125356.3A patent/CN104080235B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713508A (en) * | 2009-11-10 | 2010-05-26 | 福建泉州世光照明科技有限公司 | Intelligently adjustable-color temperature LED lamp |
| CN203206540U (en) * | 2013-03-28 | 2013-09-18 | 林万炯 | LED lamp regulation and control system |
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Effective date of registration: 20160804 Address after: The national high tech Zone Juxian 315103 Ningbo Road, Zhejiang province No. 1345 Applicant after: SELF ELECTRONICS CO., LTD. Address before: The national high tech Zone Juxian 315103 Ningbo Road, Zhejiang province No. 1345 Ningbo Purcell Electronics Ltd. Applicant before: Lin Wanjiong |
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Inventor after: Yu Xiaolong Inventor after: Yu Jianfeng Inventor after: Dong Jianguo Inventor after: Lin Wanjiong Inventor before: Yu Xiaolong Inventor before: Yu Jianfeng Inventor before: Dong Jianguo Inventor before: Lin Wanjiong |
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