CN202475840U - Manual RGB controller using PWM dimming - Google Patents
Manual RGB controller using PWM dimming Download PDFInfo
- Publication number
- CN202475840U CN202475840U CN2011205586020U CN201120558602U CN202475840U CN 202475840 U CN202475840 U CN 202475840U CN 2011205586020 U CN2011205586020 U CN 2011205586020U CN 201120558602 U CN201120558602 U CN 201120558602U CN 202475840 U CN202475840 U CN 202475840U
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- rgb controller
- manual
- pwm
- light modulation
- employing
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Abstract
The utility model discloses a manual RGB controller using PWM (pulse width modulation) dimming. The surface of an RGB controller body is provided with a digital display tube for displaying the current number of the dimmed light units, and a plurality of operation keys below the digital display tube; a PCB board is arranged in the RGB controller body; and the digital display tube, the plurality of operation keys are connected with the PCB board. When the CPU in the PCB board receives the control signal from the keys, the corresponding key indicator light is lightened, and at the same time the CPU can output the PWM signal to control a dimming dyeing light; the utility model realizes a manual RGB controller using PWM dimming, being small and exquisite in volume and having a PWM signal transmission control function; and the surface of the manual RGB controller using PWM dimming displays the speed, the mode and the brightness through a digital tube or an LCD display or an encoder, thus being simple in structure, being easy to realize, being convenient to operate, and providing a user with convenience.
Description
Technical field
The utility model relates to PWM controller field, relates in particular to a kind of manual RGB controller of the PWM of employing light modulation.
Background technology
PWM (pulse width modulation) light modulation is to utilize a PWM (Pulse Width Modulation pulse width modulation) signal to regulate the brightness of LED, is called for short pulse-width modulation.
Pulse width modulation is a kind of analog control mode; Its variation according to respective loads comes the biasing of modulation crystal tube grid or base stage; Realize switching power supply output transistor or the change of transistor turns time; This mode can make the output voltage of power supply when operation conditions change, keep constant, is to utilize the numeral of microprocessor to export a kind of very effective technology
that analog circuit is controlled.
The brightness adjustment control of LED: traditionally, the light modulation of LED is to utilize a DC signal or filtrating PWM that the forward current among the LED is regulated to accomplish.The colourity of LED reduce the LED electric current and will play the effect of regulating the LED light output intensity, yet the variation of forward current also can change the colour of LED, because can change along with change in current.Many application (for example automobile and LCD TV back lighting) all can not allow LED that any color drift takes place.In these are used, owing to exist different light to change in the surrounding environment, and also human eye is all very sensitive for the minor variations of light intensity, so the wide region light modulation is essential.Allow not change the light modulation of accomplishing LED under the colored situation through applying the way that a pwm signal controls LED brightness.
Common tradition adopts the manual RGB controller of PWM light modulation on the present market, and its volume is bigger, and the price of whole equipment is also very expensive.
Therefore, prior art awaits to improve and development.
The utility model content
In view of the deficiency of above-mentioned prior art, the purpose of the utility model is to provide a kind of manual RGB controller of the PWM of employing light modulation, and its volume is little, and conveniently moving is simple in structure, realize easily, and easy to operate, provide users with the convenient.
The technical scheme of the utility model is following:
A kind of manual RGB controller that adopts the PWM light modulation comprises a RGB controller body, and wherein, said RGB controller body surface is provided with:
Be used to show the current digital display tube of being transferred light group number;
And be arranged on a plurality of operation push-buttons of digital display tube below;
And in said RGB controller body, being provided with pcb board, said digital display tube, a plurality of operation push-button are connected with said pcb board.
The manual RGB controller of said employing PWM light modulation, wherein, said pcb board is provided with:
CPU：
The guidance panel circuit that is connected with said CPU;
The PWM data transmit-receive circuit that is connected with said CPU;
Be connected with said PWM data transmit-receive circuit, and be used to connect the bus interface circuit of outside regulation and control system light;
Said a plurality of operation push-button is arranged on the said guidance panel circuit.
The manual RGB controller of said employing PWM light modulation, wherein, on said pcb board, also be provided with: a memory, said memory is connected with said CPU.
The manual RGB controller of said employing PWM light modulation, wherein, said digital display tube is connected to said CPU through a decoder.
The manual RGB controller of said employing PWM light modulation, wherein, said digital display tube is the LED charactron.
The manual RGB controller of said employing PWM light modulation, wherein, said operation push-button is three, is respectively brightness button, mode key, speed button.
The manual RGB controller of said employing PWM light modulation, wherein, said RGB controller body is a rectangular structure.
The manual RGB controller of said employing PWM light modulation, wherein, protrusion is provided with the shrinkage pool adaptive with bolt that is used to install at said RGB controller body two ends.
The manual RGB controller of the employing PWM light modulation that the utility model provided; The utility model; Adopt Single-chip Controlling, belong to the RGB controller, after the utility model adopts CPU in the pcb board of manual RGB controller of PWM light modulation to receive the control signal of button; The respective keys indicator light just can be shinny, and CPU can output pwm signal control light modulation dyeing lamp simultaneously.Realize a kind of advantages of small volume, had the manual RGB controller that pwm signal sends the employing PWM light modulation of controlled function.Its surface has through charactron or LCD display or encoder comes display speed, pattern, brightness, simple in structure, realize easily, and easy to operate, provide users with the convenient.
Description of drawings
Fig. 1 is the manual RGB controller perspective view of the employing PWM light modulation of the utility model embodiment.
Fig. 2 is the manual RGB controller circuit structure sketch map of the employing PWM light modulation of the utility model embodiment.
Embodiment
The utility model provides a kind of manual RGB controller of the PWM of employing light modulation, for purpose, technical scheme and the effect that makes the utility model is clearer, clear and definite, below with reference to accompanying drawing and give an actual example to the utility model further explain.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
A kind of manual RGB controller that adopts the PWM light modulation of the utility model embodiment, as shown in Figure 1, comprise a RGB controller body 100, said RGB controller body 100 surfaces are provided with:
Be used to show the current digital display tube 110 of being transferred light group number;
And be arranged on a plurality of operation push-buttons 120 of digital display tube below:
And in said RGB controller body 100, being provided with pcb board 200, said digital display tube 110, a plurality of operation push-button 120 are connected with said pcb board 200.In the present embodiment, as shown in Figure 1, said operation push-button 120 is three, is respectively brightness button, mode key, speed button.
As shown in Figure 2, said pcb board 200 is provided with:
CPU210：
The guidance panel circuit 220 that is connected with said CPU210;
The PWM light modulation data transmit-receive circuit 230 that is connected with said CPU210;
Be connected with said PWM light modulation data transmit-receive circuit 230, and be used to connect the bus interface circuit 240 of outside regulation and control system light;
One memory 250, said memory 250 is connected with said CPU210.
Said a plurality of operation push-button 120 is arranged on the said guidance panel circuit 220.
Preferably, adopt said digital display tube 110 to be connected to said CPU210 through a decoder 260.Wherein, said digital display tube 110 can be the LED charactron.
In the present embodiment; As shown in Figure 2, through said operation push-button 120 reception users' operational order, pass to CPU210; CPU210 sends control signal and gives PWM light modulation data transmit-receive circuit 230; PWM light modulation data transmit-receive circuit 230 is issued each external lights with said control signal through the bus interface circuit 240 that connects outside regulation and control system light, respectively organizes the brightness of light with control, and what control that said digital display tube 110 shows current control through said CPU210 is where to organize light.
Further, as shown in Figure 1, said RGB controller body 100 is set to a rectangular structure.
Further, for the ease of installation, the manual RGB controller of said employing PWM light modulation, as shown in Figure 1, protrusion is provided with the shrinkage pool 101 adaptive with bolt that is used to install at said RGB controller body 100 two ends.
The manual RGB controller of the employing PWM light modulation that the utility model provided; Adopt Single-chip Controlling; Belong to the RGB controller; After the utility model adopted CPU in the pcb board of manual RGB controller of PWM light modulation to receive the control signal of button, the respective keys indicator light just can be shinny, and CPU can output pwm signal control light modulation dyeing lamp simultaneously.Realize a kind of advantages of small volume, had the manual RGB controller that pwm signal sends the employing PWM light modulation of controlled function.Its surface has through charactron or LCD display or encoder comes display speed, pattern, brightness, simple in structure, realize easily, and easy to operate, provide users with the convenient.
Should be understood that; The application of the utility model is not limited to above-mentioned giving an example; Concerning those of ordinary skills, can improve or conversion according to above-mentioned explanation, all these improvement and conversion all should belong to the protection range of the utility model accompanying claims.
Claims (8)
1. a manual RGB controller that adopts the PWM light modulation comprises a RGB controller body, it is characterized in that, said RGB controller body surface is provided with:
Be used to show the current digital display tube of being transferred light group number;
And be arranged on a plurality of operation push-buttons of digital display tube below;
And in said RGB controller body, being provided with pcb board, said digital display tube, a plurality of operation push-button are connected with said pcb board.
2. according to the manual RGB controller of the said employing of claim 1 PWM light modulation, it is characterized in that said pcb board is provided with:
CPU：
The guidance panel circuit that is connected with said CPU;
The PWM data transmit-receive circuit that is connected with said CPU;
Be connected with said PWM data transmit-receive circuit, and be used to connect the bus interface circuit of outside regulation and control system light;
Said a plurality of operation push-button is arranged on the said guidance panel circuit.
3. according to the manual RGB controller of the said employing of claim 2 PWM light modulation, it is characterized in that on said pcb board, also be provided with: a memory, said memory is connected with said CPU.
4. according to the manual RGB controller of the said employing of claim 2 PWM light modulation, it is characterized in that said digital display tube is connected to said CPU through a decoder.
5. according to the manual RGB controller of the said employing of claim 1 PWM light modulation, it is characterized in that said digital display tube is the LED charactron.
6. according to the manual RGB controller of the said employing of claim 1 PWM light modulation, it is characterized in that said operation push-button is three, be respectively brightness button, mode key, speed button.
7. according to the manual RGB controller of the said employing of claim 1 PWM light modulation, it is characterized in that said RGB controller body is a rectangular structure.
8. according to the manual RGB controller of the said employing of claim 1 PWM light modulation, it is characterized in that protrusion is provided with the shrinkage pool adaptive with bolt that is used to install at said RGB controller body two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205586020U CN202475840U (en) | 2011-12-28 | 2011-12-28 | Manual RGB controller using PWM dimming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205586020U CN202475840U (en) | 2011-12-28 | 2011-12-28 | Manual RGB controller using PWM dimming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202475840U true CN202475840U (en) | 2012-10-03 |
Family
ID=46923959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205586020U Expired - Lifetime CN202475840U (en) | 2011-12-28 | 2011-12-28 | Manual RGB controller using PWM dimming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202475840U (en) |
-
2011
- 2011-12-28 CN CN2011205586020U patent/CN202475840U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121003 |