CN205454164U - PWM dimming control ware - Google Patents
PWM dimming control ware Download PDFInfo
- Publication number
- CN205454164U CN205454164U CN201620178356.9U CN201620178356U CN205454164U CN 205454164 U CN205454164 U CN 205454164U CN 201620178356 U CN201620178356 U CN 201620178356U CN 205454164 U CN205454164 U CN 205454164U
- Authority
- CN
- China
- Prior art keywords
- pwm
- controller
- main control
- light adjusting
- output
- 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
Classifications
-
- 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]
Abstract
The utility model discloses a PWM dimming control ware, it includes the controller body be provided with on the controller body: a button for responding outside control behaviour, and this internal being provided with of controller: the main control circuit board, the main control circuit board is last to be equipped with: main control chip for the operating panel circuit of key operation is pressed in the response, is used for prestore the memory of the PWM control command characteristic value that button operating instruction corresponds and be used for to with the PWM dimmer circuit that adjusts luminance is carried out in load that the controller is connected. The utility model discloses a main control chip uses the control command who corresponds according to button operating instruction in the memory, realized the control to PWM output precision, PWM output frequence and PWM curve of output, has solved current PWM dimming control ware and can not control precision, frequency and the curve of adjusting luminance of the output of LED lamps and lanterns according to the needs that use, lacks the problem of flexibility.
Description
Technical field
This utility model relates to intelligent lighting controls technical field, particularly to a kind of PWM light adjusting controller.
Background technology
PWM(pulse width modulation) light modulation be to utilize a PWM(PulseWidthModulation pulse width modulation) signal to regulate the brightness of LED, be called for short pulsewidth modulation.
Pulse width modulation is a kind of analog control mode, it carrys out the biasing of modulation crystal tube grid or base stage according to the change of respective loads, realize switching power supply output transistor or the change of transistor turns time, this mode can make the output voltage of power supply keep constant when operation conditions change, is the very effective technology of one utilizing the numeral output of microprocessor to be controlled analog circuit.
Existing PWM light adjusting controller is to utilize a DC signal or filtrate PWM to be adjusted the forward current in LED.Reduce LED current and will play the effect of regulation LED light output intensity.It is only capable of using fixing precision, frequency and dimming curve to dim, and LED lamp is controlled by its precision, frequency and dimming curve that user can not be made to need by oneself, lacks motility.
Thus prior art could be improved and improve.
Summary of the invention
Technical problem to be solved in the utility model is, for the deficiencies in the prior art, a kind of PWM light adjusting controller is provided, can not be according to the needs making user with the existing PWM light adjusting controller of solution, precision, frequency and the dimming curve of LED lamp output is adjusted, the problem lacking motility.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is as follows:
A kind of PWM light adjusting controller, comprising: controller body, is provided with the button controlling behaviour for response external on described controller body；
And this most internal is provided with main control board at described controller, described main control board is provided with: main control chip, for responding the operation panel circuit of button operation, for prestoring the memorizer of the PWM control instruction eigenvalue corresponding with button operation instruction, and for the PWM light adjusting circuit that the load being connected with described controller is dimmed；
Described operation panel circuit, memorizer and PWM light adjusting circuit are all connected with main control chip, and described button is arranged on described operation panel circuit.
Described PWM light adjusting controller, at described controller, this most internal also includes: communication device, for being connected with the remote controller with peer to peer communication device, and the dimming commands that acquisition remote controller sends, and send to main control chip, described communication device is connected with described main control chip.
Described PWM light adjusting controller, at described controller, this most internal also includes: computing circuit, calculates, for the dimming commands according to main control chip, the PWM control instruction eigenvalue that described dimming commands is corresponding, and described computing circuit is connected with described main control chip.
Described PWM light adjusting controller, wherein, described control instruction is PWM output accuracy control instruction, PWM output frequency control instruction and PWM curve of output control instruction.
Described PWM light adjusting controller, wherein, the instruction of described PWM output accuracy is 8bit output order and 16bit output order.
Described PWM light adjusting controller, wherein, described PWM output frequency is 50Hz-30KHz.
Described PWM light adjusting controller, wherein, described PWM curve of output includes gamma curve, loaarithmic curve and linearity curve.
Beneficial effect: compared with prior art, this utility model provides PWM light adjusting controller, and it includes controller body, is provided with the button controlling behaviour for response external on described controller body；And this most internal is provided with main control board at described controller, described main control board is provided with: main control chip, for responding the operation panel circuit of button operation, for prestoring the memorizer of PWM control instruction eigenvalue corresponding to described button operation instruction and for the PWM light adjusting circuit that the load being connected with described controller is dimmed；Described operation panel circuit, memorizer and PWM light adjusting circuit are all connected with main control chip.This utility model passes through main control chip according to control instruction corresponding in button operation instruction calls memorizer, achieve PWM output accuracy, PWM output frequency and the control of PWM curve of output, solve existing PWM light adjusting controller to be only capable of using fixing precision, frequency and dimming curve to dim, they can not be according to the needs used, precision, frequency and the dimming curve of LED lamp output is controlled, the problem lacking motility.
Accompanying drawing explanation
The schematic diagram of the function of the PWM light adjusting controller that Fig. 1 provides for this utility model.
Detailed description of the invention
This utility model provides PWM light adjusting controller, and for making the purpose of this utility model, technical scheme and effect clearer, clear and definite, this utility model is further described by the embodiment that develops simultaneously referring to the drawings.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.In the following description, what different " embodiments " or " embodiment " referred to is not necessarily same embodiment.Additionally, special characteristic, structure or feature in one or more embodiment can be combined by any suitable form.
A kind of PWM light adjusting controller of this utility model embodiment, comprising: controller body, is provided with the button controlling behaviour for response external on described controller body；And this most internal is provided with main control board at described controller, described main control board is provided with: main control chip 100, for responding the operation panel circuit 200 of button operation, for prestoring the memorizer 300 of PWM control instruction eigenvalue corresponding to described button operation instruction and for the PWM light adjusting circuit 400 that the load being connected with described controller is dimmed；Described operation panel circuit 200, memorizer 300 and PWM light adjusting circuit 400 are all connected with main control chip 100, and described button is arranged on described control panel circuit.This utility model passes through main control chip according to control instruction corresponding in button operation instruction calls memorizer, achieve PWM output accuracy, PWM output frequency and the control of PWM curve of output, solve existing PWM light adjusting controller to be only capable of using fixing precision, frequency and dimming curve to dim, LED lamp is controlled by its precision, frequency and dimming curve that user can not be made to need by oneself, the problem lacking motility.
Specifically, described main control chip 100 can use single-chip microcomputer, such as MCU, the NCU100 etc. of 32.Described main control chip can individually be arranged in the pcb board back side, and other device is all arranged in pcb board front, owing to single-chip microcomputer height is relatively low, has no effect on controller line plate supporting with the installation of body while reducing PCB size.Input and output and Single Chip Microcomputer (SCM) program typing port all use supporting adapter, facilitate docking between input and the change of Single Chip Microcomputer (SCM) program, and easily controllable device finished product and different lamps.Described controller body can need according to design and select different shapes, as circular, square etc..
Further, the button that described operation panel circuit 200 is arranged, it can also is that continuously adjustabe knob or wave band knob.In order to have automatic brightness control function concurrently, operation panel circuit is additionally provided with for the compatible adjustable sensor interface of auto brightness.Can be accessed by luminance sensor by this sensor interface, luminance sensor senses light fixture or the brightness of display screen and corresponding ambient light signal is delivered to main control chip processes, and then enters the brightness of light fixture or display screen by constant-current source and automatically adjust.When actually used, multiple constant-current source can be set in same system according to application needs.Expansion interface is set specifically on main control chip, multiple constant-current source can be connected by expansion interface, improve the power of light fixture with this, in the case of many light fixtures, the brightness uniformity of each corresponding light fixture can be ensured by multiple constant-current sources of the extension of expansion interface.
Further, prestoring the PWM control instruction eigenvalue that the instruction of described button operation is corresponding in described memorizer 300, wherein, described control instruction is PWM output accuracy control instruction, PWM output frequency control instruction and PWM curve of output control instruction.It is to say, memorizer stores to the corresponding relation between control instruction eigenvalue and described control instruction eigenvalue and button operation instruction.When operation panel circuit produces button operation instruction, button operation instruction sends to main control chip, main control chip searches the control instruction eigenvalue that the instruction of described button operation is corresponding in memory, and described PWM control instruction eigenvalue is converted to for PWM control instruction send to PWM light adjusting circuit, connected load is dimmed by PWM light adjusting circuit according to described control instruction.In the present embodiment, described load is LED string, LED, automobile decorative lamp etc..
Further, at this internal communication device 500 that is additionally provided with of described controller, described communication device can be connected with the remote control equipment with equal communication device, and obtain the control signal of described remote control equipment, described control signal is sent to main control chip.So remotely described controller can be operated, thus realize the remote adjustment to coupled load.Described communication device can be WIFI device, blue-tooth device, infrared facility, 2.4G device etc..Described remote control equipment can be remote controller, the intelligent terminal etc. that described controller is corresponding.
Further, described controller body can also arrange one interface is set, the corresponding relation that the control instruction characteristic of correspondence value and described control instruction for arranging memorizer storage instructs with button operation.In order to arranging instruction or the control instruction that receives of communication device or arranging the instruction morphing PWM instruction features value for its correspondence of interface input will be arranged, described controller is the most internal also includes a computing circuit 600, for calculating the PWM instruction features value arranging instruction correspondence received, and described eigenvalue is stored in memorizer.In the present embodiment, described PWM instruction features value is respectively PWM degree of regulation eigenvalue, PWM regulating frequency eigenvalue and PWM adjustment curve eigenvalue.Described PWM degree of regulation can be 8bit or 16bit.Described PWM regulating frequency can be 50Hz-30KHz.Described PWM adjustment curve can be gamma curve, loaarithmic curve and linearity curve.0.1-9.9 be could be arranged to for its coefficient of gamma curve.
It is understandable that; for those of ordinary skills; in addition equivalent or change can be conceived according to the technical solution of the utility model and utility model thereof, and all these change or replace and all should belong to the scope of the claims appended by this utility model.
Claims (7)
1. a PWM light adjusting controller, comprising: controller body, is provided with the button controlling behaviour for response external on described controller body；
And this most internal is provided with main control board at described controller, described main control board is provided with: main control chip, for responding the operation panel circuit of button operation, for prestoring the memorizer of PWM control instruction eigenvalue corresponding to described button operation instruction and for the PWM light adjusting circuit that the load being connected with described controller is dimmed；
Described operation panel circuit, memorizer and PWM light adjusting circuit are all connected with main control chip, and described button is arranged on described operation panel circuit.
PWM light adjusting controller the most according to claim 1, it is characterized in that, at described controller, this most internal also includes: communication device, for being connected with the remote controller with peer to peer communication device, obtain the dimming commands that remote controller sends, and send to main control chip, described communication device is connected with described main control chip.
PWM light adjusting controller the most according to claim 1, it is characterized in that, at described controller, this most internal also includes: computing circuit, calculates the PWM control instruction eigenvalue of described dimming commands for the dimming commands according to main control chip, and described computing circuit is connected with described main control chip.
PWM light adjusting controller the most according to claim 1, it is characterised in that described control instruction is PWM output accuracy control instruction, PWM output frequency control instruction and PWM curve of output control instruction.
PWM light adjusting controller the most according to claim 4, it is characterised in that the instruction of described PWM output accuracy is 8bit output order and 16bit output order.
PWM light adjusting controller the most according to claim 4, it is characterised in that described PWM output frequency is 50Hz-30KHz.
PWM light adjusting controller the most according to claim 4, it is characterised in that described PWM curve of output includes gamma curve, loaarithmic curve and linearity curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620178356.9U CN205454164U (en) | 2016-03-09 | 2016-03-09 | PWM dimming control ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620178356.9U CN205454164U (en) | 2016-03-09 | 2016-03-09 | PWM dimming control ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205454164U true CN205454164U (en) | 2016-08-10 |
Family
ID=56605830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620178356.9U Active CN205454164U (en) | 2016-03-09 | 2016-03-09 | PWM dimming control ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205454164U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676751A (en) * | 2017-09-26 | 2018-02-09 | 研奥电气股份有限公司深圳研发中心 | A kind of light-control knob used on track train |
-
2016
- 2016-03-09 CN CN201620178356.9U patent/CN205454164U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676751A (en) * | 2017-09-26 | 2018-02-09 | 研奥电气股份有限公司深圳研发中心 | A kind of light-control knob used on track train |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103152916A (en) | Light-emitting diode (LED) lighting lamp with adjustable light and adjustable color temperature and control method thereof | |
| CN203015221U (en) | LED intelligent illumination system | |
| CN203554737U (en) | Color-temperature adjustable LED lamp | |
| CN103458591A (en) | Color-temperature adjustable LED lamp | |
| CN204598431U (en) | A kind of visual intelligent illuminator | |
| CN201310774Y (en) | LED illuminating system capable of adjusting color temperature | |
| CN203554753U (en) | A color-variable LED lamp control system based on RGB | |
| CN105025642A (en) | LED adaptive dimming classroom lamp and control method thereof | |
| CN203251465U (en) | Independently white-light and color-light adjustable LED intelligent bulb set for desk lamp | |
| CN103152942A (en) | Intelligently controlled LED (light-emitting diode) desk lamp and control method thereof | |
| CN203181289U (en) | Brightness-adjustable and color-temperature-adjustable LED illumination lamp | |
| CN202889719U (en) | LED light fixture | |
| CN205454164U (en) | PWM dimming control ware | |
| CN204518159U (en) | A kind of light sensation detects the LED drive device automatically regulating colour temperature | |
| CN107155243B (en) | A kind of LED lamplight control method and device | |
| CN206072980U (en) | A kind of LED panel lamp with automatic regulation function | |
| CN205648073U (en) | Response lighting device that low order luminance can be regulated and control | |
| CN207729302U (en) | A kind of desk lamp using lamp light adjustable controller | |
| CN103476179A (en) | Integrated multifunctional LED power source with functions of dimming and color temperature adjusting in remote-control mode | |
| CN207652747U (en) | A kind of intelligent dimming control system for lamps and lanterns | |
| CN202972848U (en) | Integration type light-emitting diode (LED) ceiling lamp | |
| CN203027570U (en) | Computer dimming system | |
| CN201869406U (en) | LED (light-emitting diode) control diming decoder | |
| CN214901361U (en) | Lamp capable of adjusting light and color | |
| CN219204732U (en) | Dimming, color mixing and temperature controlling module for LED lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |