CN207969034U - A kind of light adjusting circuit of compatible multi-dimming signal - Google Patents
A kind of light adjusting circuit of compatible multi-dimming signal Download PDFInfo
- Publication number
- CN207969034U CN207969034U CN201820487007.4U CN201820487007U CN207969034U CN 207969034 U CN207969034 U CN 207969034U CN 201820487007 U CN201820487007 U CN 201820487007U CN 207969034 U CN207969034 U CN 207969034U
- Authority
- CN
- China
- Prior art keywords
- circuit
- signal
- light adjusting
- dimming
- dim
- Prior art date
- 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.)
- Active
Links
Abstract
A kind of light adjusting circuit for compatible multi-dimming signal that the utility model embodiment provides,Include polarity switching by providing one,It is depressured constant-current circuit,Isolation circuit,The light adjusting circuit of microcontroller and output interface circuit,Interface is allow to be compatible with DALI dim signals simultaneously,Impulse width modulation and light adjusting signal,Alternating current dim signal,And then dim signal can be converted to linear analog voltage output or PWM outputs,Dimming control signal as dimming driving circuit in conventional lamp,Solves the compatibility issue of common illuminating product (such as LED light) light adjusting circuit there are three types of showing,Conventional lamp, which generally requires individually designed corresponding dimming interface, can just normally receive above-mentioned dim signal,Otherwise conventional lamp will be unable to correctly be dimmed or caused to damage,Therefore,A kind of interface of the above-mentioned dim signal of energy compatibility is designed to reduce circuit volume,It is those skilled in the art's technical issues that need to address to save design cost and promote properties of product.
Description
Technical field
The utility model is related to dim mains lighting supply design field more particularly to a kind of light modulation of compatible multi-dimming signal
Circuit.
Background technology
As the improvement of people's living standards, to meet the diversified demand of people, saving the energy and reducing lighting device
There is the burden caused by supply of electric power the intelligent LED lighting product of light modulation, toning communication function to be used widely.
Currently, there are many light modulation agreements on the market, and each light modulation agreement is often incompatible, therefore dimming driving circuit needs
Different circuit In-put designs is used, different dim signals can be just properly received, if DALI dims agreement, needs to rely on
DALI buses carry out the transmission of DALI signals；Such as pulse width modulated dimmer mode, on the market frequently with hundreds of to few kilohertz
The adjustable pwm signal of duty ratio；If city's electric signal dims, refer to a kind of pressing dimming mode, input is connected by pressing keys
City's electric signal calculates city's electric signal turn-on time to realize light modulation, and now there are three types of common illuminating product (such as LED light) light adjusting circuits
Compatibility issue, conventional lamp, which generally requires individually designed corresponding dimming interface, can just normally receive above-mentioned dim signal,
Otherwise conventional lamp will be unable to correctly be dimmed or caused to damage, and therefore, design a kind of connecing for compatible above-mentioned dim signal of energy
Mouth is that those skilled in the art need the technology solved to ask to reduce circuit volume, save design cost and promote properties of product
Topic.
Utility model content
The utility model provides a kind of light adjusting circuit of compatible multi-dimming signal, and for solving now, there are three types of light modulation letters
Number it is common illuminating product (such as LED light) dim signal, conventional lamp generally requires individually designed corresponding dimming interface
Above-mentioned dim signal can be normally received, otherwise conventional lamp will be unable to correctly be dimmed or caused to damage, and therefore, design is a kind of
The interface of the compatible above-mentioned dim signal of energy is art technology to reduce circuit volume, save design cost and promote properties of product
Personnel's technical issues that need to address.
A kind of light adjusting circuit of compatible multi-dimming signal provided by the utility model, including：
Polarity switching, decompression constant-current circuit, isolation circuit, microcontroller and output interface circuit；
The polarity switching includes input terminal and output end, and the input terminal is that the input of multi-dimming signal connects
Mouthful, for inputting dim signal；
The decompression constant-current circuit, is coupled between the output end and ground of the polarity switching；
The isolation circuit is coupled between the decompression constant-current circuit and microcontroller end；
The microcontroller includes：Identification pin and analogy PWM output pins, the identification pin are coupled to the isolation
Circuit on one side, the analogy PWM output pin lotus roots are connected to output interface circuit or direct lotus root is connected to output end；
The output interface circuit, the analogy PWM output pins and the multi-dimming for being coupled to the microcontroller are believed
Number output interface between.
Preferably, the quantity of the input terminal of the polarity switching is two.
Preferably, the dim signal is specially：DALI dim signals, pulse width modulated dimmer signal or alternating current light modulation
Signal.
Preferably, the output interface circuit is driving circuit.
Preferably, the output interface circuit is low-pass filter circuit.
As can be seen from the above technical solutions, the utility model has the following advantages：
A kind of light adjusting circuit of compatible multi-dimming signal provided by the utility model, including：Polarity switching, decompression
Constant-current circuit, isolation circuit, microcontroller and output interface circuit；The polarity switching includes input terminal and output end,
The input terminal is the input interface of multi-dimming signal, for inputting dim signal；The decompression constant-current circuit, is coupled to institute
It states between the output end of polarity switching and ground；The isolation circuit is coupled to the decompression constant-current circuit and microcontroller
Between end；The microcontroller includes：Identification pin and analogy PWM output pins, the identification pin are coupled to the isolation
Circuit on one side, the analogy PWM output pin lotus roots are connected to output interface circuit or direct lotus root is connected to output end；The output interface
Circuit is coupled between the analogy PWM output pins of the microcontroller and the output interface of the multi-dimming signal.
In the utility model, include polarity switching, decompression constant-current circuit, isolation circuit, micro-control by providing one
The light adjusting circuit of device and output interface circuit processed so that interface can be compatible with DALI dim signals, impulse width modulation and light adjusting letter simultaneously
Number, alternating current dim signal, and then the dim signal can be converted to linear analog voltage output or PWM outputs, as biography
The dimming control signal of dimming driving circuit on system lamps and lanterns solves existing electric there are three types of illuminating product (such as LED light) light modulation is commonly used
The compatibility issue on road, conventional lamp, which generally requires individually designed corresponding dimming interface just, can normally receive above-mentioned light modulation letter
Number, otherwise conventional lamp will be unable to correctly be dimmed or caused to damage, and therefore, design a kind of above-mentioned dim signal of energy compatibility
Interface is that those skilled in the art need the technology solved to ask to reduce circuit volume, save design cost and promote properties of product
Topic.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of structural representation of the light adjusting circuit for compatible multi-dimming signal that the utility model embodiment provides
Figure.
Specific implementation mode
The utility model embodiment provides a kind of light adjusting circuit of compatible multi-dimming signal, solves there are three types of showing often
With the compatibility issue of illuminating product (such as LED light) light adjusting circuit, conventional lamp generally requires individually designed corresponding light modulation and connects
Eloquence can normally receive above-mentioned dim signal, and otherwise conventional lamp will be unable to correctly be dimmed or caused to damage, therefore, design
A kind of interface of the above-mentioned dim signal of energy compatibility is this field to reduce circuit volume, save design cost and promote properties of product
Technical staff's technical issues that need to address.
It, below will knot to enable the purpose of utility model, feature, advantage of the utility model more apparent and understandable
The attached drawing in the utility model embodiment is closed, the technical scheme in the utility model embodiment is clearly and completely described,
Obviously, the embodiments described below are only the utility model a part of the embodiment, and not all embodiment.Based on this reality
It is obtained by those of ordinary skill in the art without making creative efforts all other with the embodiment in novel
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model embodiment provides one of a kind of light adjusting circuit of compatible multi-dimming signal
Embodiment, including：
Polarity switching, decompression constant-current circuit, isolation circuit, microcontroller and output interface circuit；
Polarity switching includes input terminal and output end, and input terminal is the input interface of multi-dimming signal, for defeated
Enter dim signal；
It is depressured constant-current circuit, is coupled between the output end of polarity switching and ground；
Isolation circuit is coupled between decompression constant-current circuit and microcontroller end；
Microcontroller includes：Identify that pin and analogy PWM output pins, identification pin are coupled to isolation circuit one end, class
It is connected to output interface circuit than PWM output pin lotus roots or direct lotus root is connected to output end；
Output interface circuit is coupled to the output interface of the analogy PWM output pins and multi-dimming signal of microcontroller
Between.
Optionally, the quantity of the input terminal of polarity switching is two.
Optionally, dim signal is specially：DALI dim signals, pulse width modulated dimmer signal or alternating current light modulation letter
Number.
Optionally, output interface circuit is driving circuit.
Optionally, output interface circuit is low-pass filter circuit.
It should be noted that in illumination light modulation field, the control signal that common light adjusting controller is generated with it mainly divides
It is following three kinds：
(1) DALI dim signals：
DALI is digital address dimming interface, is a kind of light regulating technology and standard.DALI hosts by DALI buses to
DALI slaves send out DALI dimming commands or data, and the dimming commands or data are the bauds to fix a bit period as 833 μ s
Rate be 1200bps Manchester code form, each bit data by be respectively 416 μ s a high level and a low electricity
Flat composition, wherein high level ranging from 9V~22V, representative value 16V, low level ranging from -6.5~6.5V, representative value 0V.
(2) pulse width modulating signal:
Pulse width modulating signal is usually the pwm signal between 10V~24V, and different duty ratios represents difference
Light modulation brightness degree.Although the respectively formulation disunity of the The concrete specification of illumination producer pulse-width modulated signal, its PWM
Frequency is usually between 100Hz~1KHz.Therefore, dim signal is that the PWM that continual wave period is 1ms~10ms believes
Number.
(3) alternating current dim signal：
Alternating current L, N line is directly accessed in dimming interface by alternating current dim signal, and city is controlled by an external button
The break-make of electricity input, and carry out brightness adjustment control by calculating the turn-on time of alternating current.Tune of each producer to alternating current dim signal
Light agreement is slightly different, but it is inherently access city's electric signal, and according to compressing time length, directly adjusts brightness.And
The gamut input voltage of alternating current is 85V~265V, and frequency is 50Hz or 60Hz, i.e. the period is the sine wave of 20ms or 16ms.
1 figure is please referred to, for the dimming interface circuit of the multi-dimmings signals such as compatible DALI, dimming interface circuit contains pole
Property conversion circuit, decompression constant-current circuit, isolation circuit, microcontroller and output circuit, optionally, polarity switching is replaceable
For rectification circuit.
Wherein, dim signal is inputted by the ends IN1 and IN2, and analogy output voltage or PWM output signal are defeated by OUT terminal
Go out；
When dimming port input DALI dim signals, dim signal is after polarity transformation circuits, by light-coupled isolation
After circuit wave period is consistent, dim signal of level and microcontroller pin compatibility.Letter on the identification pin of microcontroller
Number feature meets specific DALI transmission sequence, you can establishes DALI light modulation communication mechanisms；
When dimming port input impulse width modulation and light adjusting signal, dim signal is after polarity transformation circuits, by optocoupler
Isolation circuit obtains pwm signal consistent with the input pwm signal waveform period, level and microcontroller pin compatibility.This
When microcontroller pin on signal characteristic, be the pwm signal of continual fixed frequency and duty ratio, then according to its duty ratio
Carry out the adjusting of analogy output pwm signal and analogy output voltage；
When dimming port input city electric signal, it is 50Hz or 60Hz that dim signal obtains frequency after rectification circuit
Pulse signal.After Minoxidil current circuit and optical coupling isolation circuit, is obtained in microcontroller one end and input city's telecommunications
Number period is consistent or there are smaller deviation, the impulse waveform of level and microcontroller pin compatibility in the period；
A kind of light adjusting circuit for compatible multi-dimming signal that the utility model embodiment provides, including：Dipole inversion electricity
Road, decompression constant-current circuit, isolation circuit, microcontroller and output interface circuit；Polarity switching includes input terminal and output
End, input terminal is the input interface of multi-dimming signal, for inputting dim signal；It is depressured constant-current circuit, polarity is coupled to and turns
It changes between the output end of circuit and ground；Isolation circuit is coupled between decompression constant-current circuit and microcontroller end；Microcontroller packet
It includes：Identify that pin and analogy PWM output pins, identification pin are coupled to isolation circuit one end, analogy PWM output pin lotus roots are connected to
Output interface circuit or direct lotus root are connected to output end；Output interface circuit, be coupled to the analogy PWM output pins of microcontroller with
Between the output interface of multi-dimming signal by provide one comprising polarity switching, decompression constant-current circuit, isolation circuit,
The light adjusting circuit of microcontroller and output interface circuit so that interface can be compatible with DALI dim signals, pulsewidth modulation tune simultaneously
Optical signal, alternating current dim signal, and then dim signal can be converted to linear analog voltage output or PWM outputs, as biography
The dimming control signal of dimming driving circuit on system lamps and lanterns solves existing electric there are three types of illuminating product (such as LED light) light modulation is commonly used
The compatibility issue on road, conventional lamp, which generally requires individually designed corresponding dimming interface just, can normally receive above-mentioned light modulation letter
Number, otherwise conventional lamp will be unable to correctly be dimmed or caused to damage, and therefore, design a kind of above-mentioned dim signal of energy compatibility
Interface is that those skilled in the art need the technology solved to ask to reduce circuit volume, save design cost and promote properties of product
Topic.
Specific implementation mode in the present embodiment illustrates which is not described herein again in the above-described embodiments.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of system and module, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
The above, above example are only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, it will be understood by those of ordinary skill in the art that：It is still
Can be with technical scheme described in the above embodiments is modified, or which part technical characteristic is equally replaced
It changes；And these modifications or replacements, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (5)
1. a kind of light adjusting circuit of compatible multi-dimming signal, feature are, including：
Polarity switching, decompression constant-current circuit, isolation circuit, microcontroller and output interface circuit；
The polarity switching includes input terminal and output end, and the input terminal is the input interface of multi-dimming signal, is used
In input dim signal；
The decompression constant-current circuit, is coupled between the output end and ground of the polarity switching；
The isolation circuit is coupled between the decompression constant-current circuit and microcontroller end；
The microcontroller includes：Identification pin and analogy PWM output pins, the identification pin are coupled to the isolation circuit
One end, the analogy PWM output pin lotus roots are connected to output interface circuit or direct lotus root is connected to output end；
The output interface circuit is coupled to the analogy PWM output pins of the microcontroller and the multi-dimming signal
Between output interface.
2. the light adjusting circuit of compatible multi-dimming signal according to claim 1, which is characterized in that the dipole inversion electricity
The quantity of the input terminal on road is two.
3. the light adjusting circuit of compatible multi-dimming signal according to claim 2, which is characterized in that the dim signal tool
Body is：DALI dim signals, pulse width modulated dimmer signal or alternating current dim signal.
4. the light adjusting circuit of compatible multi-dimming signal according to claim 3, which is characterized in that the output interface electricity
Road is driving circuit.
5. the light adjusting circuit of compatible multi-dimming signal according to claim 4, which is characterized in that the output interface electricity
Road is low-pass filter circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820487007.4U CN207969034U (en) | 2018-04-08 | 2018-04-08 | A kind of light adjusting circuit of compatible multi-dimming signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820487007.4U CN207969034U (en) | 2018-04-08 | 2018-04-08 | A kind of light adjusting circuit of compatible multi-dimming signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207969034U true CN207969034U (en) | 2018-10-12 |
Family
ID=63727294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820487007.4U Active CN207969034U (en) | 2018-04-08 | 2018-04-08 | A kind of light adjusting circuit of compatible multi-dimming signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207969034U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108289358A (en) * | 2018-04-08 | 2018-07-17 | 广东工业大学 | A kind of light adjusting circuit and method of compatible multi-dimming signal |
-
2018
- 2018-04-08 CN CN201820487007.4U patent/CN207969034U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108289358A (en) * | 2018-04-08 | 2018-07-17 | 广东工业大学 | A kind of light adjusting circuit and method of compatible multi-dimming signal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105101543B (en) | Led drive circuit | |
| CN207744191U (en) | LED light modulating devices | |
| CN102548101B (en) | LED dimming system | |
| CN108289358A (en) | A kind of light adjusting circuit and method of compatible multi-dimming signal | |
| CN107046746B (en) | A kind of LED light adjusting control circuit | |
| CN202873136U (en) | LED lamp control system | |
| CN108024415A (en) | Dim modular converter, LED drive device and its control method | |
| CN201303444Y (en) | Two-wire LED control device capable of accepting various light dimming methods | |
| CN108650748A (en) | A kind of constant pressure dimming power source device being compatible with a variety of dimming modes | |
| CN109743816A (en) | Swimming pool LED illumination System uses the keying method of the remote control color and brightness of 2 core power supply lines | |
| CN207969034U (en) | A kind of light adjusting circuit of compatible multi-dimming signal | |
| CN205726501U (en) | A kind of LED adjusting control circuit | |
| CN209375983U (en) | A kind of constant pressure that can adapt to output and input variation automatically turns constant-current drive circuit | |
| CN107567144A (en) | Toning controller, toning control chip and light modulation toning LED drive control circuits | |
| CN108322964B (en) | LED driving power circuit | |
| EP3100590A2 (en) | Low-cost low-power lighting system and lamp assembly | |
| CN211297065U (en) | PWM isolation dimming driving power circuit with NFC function | |
| CN107071957A (en) | LED light modulating devices and system based on encoded signal | |
| CN206564712U (en) | LED light modulating devices and system based on encoded signal | |
| CN115134969B (en) | Six-in-one dimming circuit | |
| CN109982489A (en) | Linear constant current stepless dimming controller IC | |
| CN102752931A (en) | Constant-current driving power supply for remote-control light-adjusting and color-adjusting LED (Light-Emitting Diode) panel lamp | |
| CN103228083A (en) | Intelligent dimming LED driving power supply | |
| CN107846756A (en) | LED light modulating devices | |
| CN107041042B (en) | A kind of adjustable LED light of light source |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |