CN104981052B - A kind of touch sensible constant-current dimming controller for LED light source - Google Patents
A kind of touch sensible constant-current dimming controller for LED light source Download PDFInfo
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- CN104981052B CN104981052B CN201410338563.1A CN201410338563A CN104981052B CN 104981052 B CN104981052 B CN 104981052B CN 201410338563 A CN201410338563 A CN 201410338563A CN 104981052 B CN104981052 B CN 104981052B
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Abstract
The invention discloses a kind of touch sensible constant-current dimming controller for LED light source, light adjusting controller is connected to including a light adjusting controller being connected between LED constant current driving power and LED light source and one to convey the peripheral control unit of external dimmer control signal to the light adjusting controller, the light adjusting controller has the first terminals for being used for being connected with the output head anode of the LED constant current driving power, for the second terminals being connected with the negative pole of output end of the LED constant current driving power, for the 3rd terminals and the control port for being connected with the peripheral control unit of being connected with the negative pole of the LED light source；The light adjusting controller includes power circuit, single chip circuit, analog to digital conversion circuit, sensing touch circuit and FET.The invention enables the LED constant current driving power of no dimming function can carry out brightness adjustment control, and ensure that can meet corresponding requirement during products export.
Description
Technical field
The present invention relates to LED technology field, is controlled more particularly to a kind of touch sensible constant-current dimming for LED light source
Device.
Background technology
LED is referred to as forth generation light source, have energy-saving and environmental protection, safety, long lifespan, low-power consumption, low-heat, high brightness, waterproof,
The features such as miniature, shockproof, easy light modulation, light beam are concentrated, easy maintenance, it can be widely applied to various instructions, display, decoration, the back of the body
The fields such as light source, general lighting.
It is luminous to drive that LED light source usually requires LED drive power, and the U.S. of most of LED drive power outlets at present is equal
Needing UL, (UL is writing a Chinese character in simplified form for English Underwriter Laboratories Inc. Underwriter Laboratories Inc., UL safety tests institute
It is that the U.S. is most authoritative, and is engaged in the larger non-government institution of safety test and identification in the world, it is mainly engaged in product
Safety certification and manage security proving business, its final purpose is for the commercially available commodity with quite safe level, is
Health of human body and property safety, which are guaranteed, makes contributions) certification, but there is no dimming function；And newly advised according to the U.S. in 2014
Dimming function will be had by determining power supply.But for now, the power supply kind with dimming function is few, price and most of do not have
There are UL certifications.A large sum of certification fee is spent to use again to do UL certifications, certification fee before is entirely bathing.Some producers are specially only
A kind of light modulator of meter is erected, but (IP is Ingress Protection abbreviation to the high IP of cost, and IP grades are to be directed to electrical equipment
Shell is to allotrylic degree of protection, and source is the standard IEC 60529 of International Electrotechnical Commission, and this standard was in 2004
Also it is adopted to American National Standard) grade is low, so as to have impact on the outlet of product.
The content of the invention
It is an object of the invention to overcome the deficiency of prior art, there is provided a kind of touch sensible constant current for LED light source
Light adjusting controller, supported the use for the LED constant current driving power with no dimming function so that without the LED of dimming function
Constant-current driving power supply can carry out brightness adjustment control, and ensure that can meet corresponding requirement during products export.
The technical solution adopted for the present invention to solve the technical problems is：A kind of touch sensible constant current for LED light source
Light adjusting controller, including a light adjusting controller being connected between LED constant current driving power and LED light source and one are connected to
Light adjusting controller with to the light adjusting controller convey external dimmer control signal peripheral control unit；The brightness adjustment control utensil
Have for be connected with the output head anode of the LED constant current driving power the first terminals, for the LED constant current drive
The second terminals that the negative pole of output end of dynamic power supply is connected, for the 3rd terminals that are connected with the negative pole of the LED light source
With the control port for being connected with the peripheral control unit；The light adjusting controller include power circuit, single chip circuit,
Analog to digital conversion circuit, sensing touch circuit and FET；The positive pole input of the power circuit is connected with the first terminals,
The negative pole of power circuit is connected with the second terminals, and the positive pole output of power circuit is connected to the power supply connection of single chip circuit
End；The output that the input of the single chip circuit touches circuit with analog to digital conversion circuit, sensing respectively is connected, analog-to-digital conversion electricity
The input on road is connected to the control port, and the output of the single chip circuit is connected to the grid of FET, the leakage of FET
Pole is connected to the 3rd terminals, and the source electrode of FET is connected to the negative pole of the power circuit, and the single chip circuit is to sense
The signal that circuit or peripheral control unit are defeated by should be touched to be handled, and export modulation pulse, pulse duty factor is controlled, so as to adjust
Save the size of output constant current electric current.
The DC voltage of the positive pole output of the power circuit be 10V, the power supply connection of power circuit and single chip circuit
5V mu balanced circuits are additionally provided between end, the DC voltage 10V that power circuit exports is converted into DC voltage 5V by 5V mu balanced circuits
Output.
The control port includes being used for connecting the 4th terminals of the power cathode of peripheral control unit, for connecting outside
5th terminals of the output voltage signal of controller and for peripheral control unit provide power supply signal the 6th terminals, institute
State the 4th terminals with the negative pole of power circuit to be connected, the 5th terminals are connected with analog-digital conversion circuit as described, institute
The 6th terminals are stated with the positive pole output of the power circuit to be connected.
The positive pole output of the power circuit is connected with voltage-stabiliser tube.
The peripheral control unit is microwave sensor.
The peripheral control unit is light sensor
The peripheral control unit is adjustable resistance.
A kind of touch sensible constant-current dimming controller for LED light source of the present invention, is to be matched in no dimming function
LED constant current driving power use, wherein, the first terminals of light adjusting controller, the second terminals, the 3rd terminals,
Four terminals, the 5th terminals, the 6th terminals are connected to the first connecting line, the second connecting line, the 3rd connecting line, the 4th
Line, the 5th connecting line, the 6th connecting line in succession, the first connecting line realizes to be connected from LED constant current driving power output head anode
Power circuit inside to light adjusting controller positive pole input, can be specifically power circuit diode input, second
Connecting line realizes the negative pole that the power circuit inside light adjusting controller is connected to from LED constant current driving power negative pole of output end,
3rd connecting line realizes from the negative pole of LED light source and is connected to FET inside light adjusting controller, and specific is exactly that field is imitated
Should pipe drain electrode, the negative pole that the 4th connecting line realizes peripheral control unit is connected to the negative of power circuit inside light adjusting controller
Pole, the output voltage signal that the 5th connecting line realizes peripheral control unit are connected to analog to digital conversion circuit inside light adjusting controller
Input, can specifically be attached on the divider resistance of analog to digital conversion circuit, the 6th connecting line realizes outside control
The power access end of device is connected to the positive pole output of the power circuit inside light adjusting controller, i.e., on 10V accessory power supplys.
A kind of touch sensible constant-current dimming controller for LED light source of the present invention, include inside light adjusting controller
Power circuit, 5V mu balanced circuits, single chip circuit, analog to digital conversion circuit, sensing touch circuit and FET, wherein, power supply
The effect of circuit is that external voltage is converted into DC10V, and 10V accessory power supply is provided for outside；The effect of 5V mu balanced circuits is
It is DC5V by DC10 photovoltaic conversions, for electricity consumptions such as single chip circuits；The effect that sensing touches circuit is to sense human body touch to believe
Number being converted into data signal is conveyed to single chip circuit；Analog to digital conversion circuit is that A/D convertor circuit is by external analog control signal
Switch to data signal and be conveyed to single chip circuit；The effect of single chip circuit is analyzing and processing external signal or human body touch sensing
Signal, output modulation pulse, controls pulse duty factor, so as to adjust the size of output constant current electric current；FET is using at a high speed
Switching power tube, there are three pins, connect light source, single-chip microcomputer and power cathode respectively.Peripheral control unit can be microwave sensor
Or light sensor or street lamp control system, microwave sensor or light sensor etc. produce analog signal or road according to ambient conditions
Lamp control system produces analog signal, simply can be also made up of an adjustable resistance, it is therefore an objective to produce 0-10V voltage signal.
A kind of touch sensible constant-current dimming controller for LED light source of the present invention, in use, being produced by peripheral control unit
Raw 0-10V voltage signal, by analog to digital conversion circuit, it is changed into data signal, size of the single chip circuit according to digital quantity, production
The pulse signal control field-effect pipe work of raw duty ratio corresponding, is controlled the constant current size of output.Using microwave induced
Device or light sensor or street lamp control system can go to control constant current size automatically, can also be controlled using manual mode
System, for example be artificially adjusted by sensing touch circuit, or adjustable resistance is artificially adjusted.When using light sensing
When device is controlled, light sensor is by the sensing to light intensity, and light-sensing signal is transferred into single chip circuit, monolithic
The signal that light sensor is defeated by compared with built-in setup parameter, when daytime, light was stronger, is passed through regulation by electromechanical road
Constant current size makes the brightness of LED light source dimmed, when evening light is weaker, becomes the brightness of LED light source by adjusting constant current size
It is bright.When using microwave sensor be controlled when, microwave sensor constantly detect LED light source nearby whether someone, work as microwave
Inductor detect someone close to when, the close induced signal of someone is transferred to single chip circuit, single-chip microcomputer by microwave sensor
Circuit makes the brightness of LED light source brighten by adjusting constant current size.
Compared with prior art, the beneficial effects of the invention are as follows：
As a result of a light adjusting controller being connected between LED constant current driving power and LED light source and a company
It is connected to light adjusting controller and touches sense to convey the peripheral control unit of external dimmer control signal to the light adjusting controller to be formed
Constant-current dimming controller is answered, and light adjusting controller includes power circuit, 5V mu balanced circuits, single chip circuit, analog-to-digital conversion electricity
Road, sensing touch circuit and FET to form light adjusting controller, light adjusting controller and with being used for and the LED constant current is driven
The first terminals that the output head anode of dynamic power supply is connected, for the negative pole of output end phase with the LED constant current driving power
Connection the second terminals, for the 3rd terminals that are connected with the negative pole of the LED light source so that touch sensible constant current
Light adjusting controller can carry out brightness adjustment control to the LED constant current driving power of no dimming function, so as to ensure that products export
When can meet corresponding requirement.
The present invention is described in further detail below in conjunction with drawings and Examples；But one kind of the present invention is used for LED light
The touch sensible constant-current dimming controller in source is not limited to embodiment.
Brief description of the drawings
Fig. 1 is the theory diagram of the present invention；
Fig. 2 is the circuit connection structure figure of the present invention.
Embodiment
Embodiment
Referring to shown in Fig. 1, Fig. 2, a kind of touch sensible constant-current dimming controller for LED light source of the invention, including
One light adjusting controller 3 being connected between LED constant current driving power 1 and LED light source 2 and one be connected to light adjusting controller with
To the peripheral control unit 4 of light adjusting controller conveying external dimmer control signal；The light adjusting controller 3, which has, to be used for and institute
State the first terminals P1 that the output head anode of LED constant current driving power is connected, for the LED constant current driving power
The second terminals P2 that negative pole of output end is connected, for the 3rd terminals P3 and use of being connected with the negative pole of the LED light source
Come the control port being connected with the peripheral control unit；The light adjusting controller 3 includes power circuit 31, single chip circuit
32nd, analog to digital conversion circuit 33, sensing touch circuit 34 and FET 35；The positive pole input of the power circuit 31 connects with first
Line end P1 is connected, and the negative pole of power circuit 31 is connected with the second terminals P2, and the positive pole output of power circuit 31 is connected to 5V
The input of mu balanced circuit 36, the DC voltage of the positive pole output of power circuit is 10V, and the output of 5V mu balanced circuits 36 is connected to monolithic
The DC voltage 10V that power circuit 31 exports is converted into DC voltage by the power connector end on electromechanical road 32,5V mu balanced circuits 36
5V is exported；The output that the input of the single chip circuit 32 touches circuit 34 with analog to digital conversion circuit 33, sensing respectively is connected,
The input of analog to digital conversion circuit 33 is connected to the control port 37, and the output of the single chip circuit 32 is connected to FET 35
Grid, the drain electrode of FET 35 are connected to the 3rd terminals P3, and the source electrode of FET 35 is connected to the power circuit 31
Negative pole, the single chip circuit 32 touches the signal that circuit 34 or peripheral control unit 4 are defeated by sensing and handled, and exports
Pulse is modulated, pulse duty factor is controlled, so as to adjust the size of output constant current electric current.
The control port 37 is included for connecting the 4th terminals P4 of the power cathode of peripheral control unit 4, for even
Meet the 5th terminals P5 of the output voltage signal of peripheral control unit 4 and for providing the of power supply signal to peripheral control unit 4
Six terminals P6, the 4th terminals P4 are connected with the negative pole of power circuit 31, the 5th terminals P5 and the mould
Number change-over circuit 33 is connected, and the 6th terminals P6 is connected with the positive pole output of the power circuit 31.
The positive pole output of the power circuit 31 is connected with voltage-stabiliser tube.
The peripheral control unit 4 is microwave sensor, or light sensor, or adjustable resistance, or micro-
Two or the combination of three in ripple inductor, light sensor, adjustable resistance, or the control mode of other patterns, than
Such as, street lamp control system etc..
A kind of touch sensible constant-current dimming controller for LED light source of the present invention, is to be matched in no dimming function
LED constant current driving power use, wherein, the first terminals P1 of light adjusting controller 3, the second terminals P2, the 3rd wiring
End P3, the 4th terminals P4, the 5th terminals P5, the 6th terminals P6 are connected to the first connecting line, the second connecting line, the
Line, the 5th connecting line, the 6th connecting line, the first connecting line are realized from LED constant current driving power 1 in succession by three connecting lines, the 4th
Output head anode is connected to the positive pole input of the power circuit 31 inside light adjusting controller, can be specifically the two of power circuit
Pole pipe input, the second connecting line realizes to be connected to inside light adjusting controller from the negative pole of output end of LED constant current driving power 1
The negative pole of power circuit 31, the 3rd connecting line realize the field-effect being connected to from the negative pole of LED light source 2 inside light adjusting controller
Pipe 35, specific is exactly the drain electrode of FET 35, and the negative pole that the 4th connecting line realizes peripheral control unit 4 is connected to light modulation control
The negative pole of power circuit 31 inside device processed, the output voltage signal that the 5th connecting line realizes peripheral control unit 4 are connected to tune
The input of analog to digital conversion circuit 33 inside optical controller, it can specifically be attached to the divider resistance of analog to digital conversion circuit
On, the power access end that the 6th connecting line realizes peripheral control unit 4 is connected to power circuit 31 inside light adjusting controller
Positive pole exports, i.e., on 10V accessory power supplys.
A kind of touch sensible constant-current dimming controller for LED light source of the present invention, include inside light adjusting controller
Power circuit 31,5V mu balanced circuits 36, single chip circuit 32, analog to digital conversion circuit 33, sensing touch circuit 34 and FET
35, wherein, the effect of power circuit 31 is that external voltage is converted into DC10V, and 10V accessory power supply is provided for outside；5V is steady
It by DC10 photovoltaic conversions is DC5V that the effect of volt circuit 36, which is, for electricity consumptions such as single chip circuits；Sensing touches the effect of circuit 34
It is that human body touch induced signal is converted into data signal to be conveyed to single chip circuit 32；Analog to digital conversion circuit 33 is AD conversion electricity
Road is that external analog control signal is switched into data signal to be conveyed to single chip circuit 32；The effect of single chip circuit 32 is analysis
External signal or human body touch induced signal are handled, output modulation pulse, controls pulse duty factor, so as to adjust output constant current electricity
The size of stream；FET 35 uses speed-sensitive switch power tube, has three pins, connects light source, single-chip microcomputer and power cathode respectively.
Peripheral control unit 4 can be microwave sensor or light sensor or street lamp control system, microwave sensor or light sensor
Analog signal or street lamp control system generation analog signal are produced Deng according to ambient conditions, also can be simply by an adjustable resistance structure
Into, it is therefore an objective to produce 0-10V voltage signal.
A kind of touch sensible constant-current dimming controller for LED light source of the present invention, in use, by peripheral control unit 4
0-10V voltage signal is produced, by analog to digital conversion circuit 33, is changed into data signal, single chip circuit 32 is according to digital quantity
Size, the pulse signal control FET 35 for producing duty ratio corresponding work, and are controlled the constant current size of output.Using
Microwave sensor or light sensor or street lamp control system can go to control constant current size automatically, can also use manual mode
It is controlled, for example the people of circuit 34 is touched to be adjusted by sensing, or adjustable resistance is artificially adjusted.Work as use
When light sensor is controlled, light sensor is by the sensing to light intensity, and light-sensing signal is transferred into single-chip microcomputer
Circuit 32, single chip circuit 32 by the signal that light sensor is defeated by compared with built-in setup parameter, daytime light compared with
Qiang Shi, make the brightness of LED light source 2 dimmed by adjusting constant current size, when evening light is weaker, made by adjusting constant current size
The brightness of LED light source 2 brightens.When being controlled using microwave sensor, microwave sensor is constantly detected near LED light source
Whether someone, when microwave sensor detect someone close to when, the close induced signal of someone is transferred to list by microwave sensor
Piece electromechanics road, single chip circuit 32 make the brightness of LED light source brighten by adjusting constant current size.
Above-described embodiment is only used for further illustrating a kind of touch sensible constant-current dimming control for LED light source of the present invention
Device processed, but the invention is not limited in embodiment, every technical spirit according to the present invention are made any to above example
Simple modification, equivalent change and modification, each fall within the protection domain of technical solution of the present invention.
Claims (6)
1. a kind of touch sensible constant-current dimming controller for LED light source, including one be connected to LED constant current driving power with
Light adjusting controller between LED light source and one are connected to light adjusting controller to convey external dimmer control to the light adjusting controller
The peripheral control unit of signal processed；The light adjusting controller has the output head anode phase being used for the LED constant current driving power
Connection the first terminals, for be connected with the negative pole of output end of the LED constant current driving power the second terminals, be used for
Be connected the 3rd terminals and the control port for being connected with the peripheral control unit with the negative pole of the LED light source；Institute
Stating light adjusting controller includes power circuit, single chip circuit, analog to digital conversion circuit, sensing touch circuit and FET；It is described
The positive pole input of power circuit is connected with the first terminals, and the negative pole of power circuit is connected with the second terminals, power supply electricity
The positive pole output on road is connected to the power connector end of single chip circuit；The input of the single chip circuit is electric with analog-to-digital conversion respectively
The output that road, sensing touch circuit is connected, and the input of analog to digital conversion circuit is connected to the control port, the single chip circuit
Output be connected to the grid of FET, the drain electrode of FET is connected to the 3rd terminals, and the source electrode of FET is connected to
The negative pole of the power circuit, the single chip circuit are touched to sensing at the signal that circuit or peripheral control unit are defeated by
Reason, and modulation pulse is exported, pulse duty factor is controlled, so as to adjust the size of output constant current electric current；The control port includes
For connecting the 4th terminals of the power cathode of peripheral control unit, for connecting the of the output voltage signal of peripheral control unit
Five terminals and for peripheral control unit provide power supply signal the 6th terminals, the 4th terminals and power circuit
Negative pole is connected, and the 5th terminals are connected with analog-digital conversion circuit as described, the 6th terminals and power supply electricity
The positive pole output on road is connected.
2. the touch sensible constant-current dimming controller according to claim 1 for LED light source, it is characterised in that：It is described
The DC voltage of the positive pole output of power circuit is 10V, is additionally provided between power circuit and the power connector end of single chip circuit
The DC voltage 10V that power circuit exports is converted into DC voltage 5V and exported by 5V mu balanced circuits, 5V mu balanced circuits.
3. the touch sensible constant-current dimming controller according to claim 2 for LED light source, it is characterised in that：It is described
The positive pole output of power circuit is connected with voltage-stabiliser tube.
4. the touch sensible constant-current dimming controller according to claim 1 for LED light source, it is characterised in that：It is described
Peripheral control unit is microwave sensor.
5. the touch sensible constant-current dimming controller according to claim 1 for LED light source, it is characterised in that：It is described
Peripheral control unit is light sensor
6. the touch sensible constant-current dimming controller according to claim 1 for LED light source, it is characterised in that：It is described
Peripheral control unit is adjustable resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338563.1A CN104981052B (en) | 2014-07-16 | 2014-07-16 | A kind of touch sensible constant-current dimming controller for LED light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338563.1A CN104981052B (en) | 2014-07-16 | 2014-07-16 | A kind of touch sensible constant-current dimming controller for LED light source |
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| Publication Number | Publication Date |
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| CN104981052A CN104981052A (en) | 2015-10-14 |
| CN104981052B true CN104981052B (en) | 2018-02-27 |
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| CN201410338563.1A Expired - Fee Related CN104981052B (en) | 2014-07-16 | 2014-07-16 | A kind of touch sensible constant-current dimming controller for LED light source |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106304468B (en) * | 2016-08-10 | 2018-10-30 | 东莞邦达五金有限公司 | A kind of method and apparatus of the comprehensive induction stepless dimming of LED light |
| CN107914636A (en) * | 2017-12-19 | 2018-04-17 | 车质尚（北京）汽车制造有限公司 | Vehicle-mounted light adjusting controller |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102762016A (en) * | 2012-08-02 | 2012-10-31 | 广州方达舞台设备有限公司 | Dimming system and method of dimmable LED lamp for stage |
| CN103124459A (en) * | 2013-01-04 | 2013-05-29 | 安提亚科技股份有限公司 | Color and brightness adjustable light-adjusting method and device and illuminating system |
| CN103167691A (en) * | 2013-03-04 | 2013-06-19 | 江南大学 | Light emitting diode (LED) driving power supply and dimming system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102300356A (en) * | 2010-06-22 | 2011-12-28 | 英飞特电子（杭州）有限公司 | Light source control method, device and system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102762016A (en) * | 2012-08-02 | 2012-10-31 | 广州方达舞台设备有限公司 | Dimming system and method of dimmable LED lamp for stage |
| CN103124459A (en) * | 2013-01-04 | 2013-05-29 | 安提亚科技股份有限公司 | Color and brightness adjustable light-adjusting method and device and illuminating system |
| CN103167691A (en) * | 2013-03-04 | 2013-06-19 | 江南大学 | Light emitting diode (LED) driving power supply and dimming system |
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Address after: 361000, Lianhua Road, Lianhua industrial town, lotus town, Tongan District, Fujian, Xiamen, 81 Applicant after: XIAMEN XINGHENGLONG CO., LTD. Address before: 361000, Lianhua Road, Lianhua industrial town, lotus town, Tongan District, Fujian, Xiamen, 81 Applicant before: Xiamen Xinghenglong Lighting Technology Co., Ltd. |
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