CN214279848U - Luminous keyboard module - Google Patents
Luminous keyboard module Download PDFInfo
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- CN214279848U CN214279848U CN202120149501.1U CN202120149501U CN214279848U CN 214279848 U CN214279848 U CN 214279848U CN 202120149501 U CN202120149501 U CN 202120149501U CN 214279848 U CN214279848 U CN 214279848U
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- control
- keyboard
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- circuit
- luminous
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Abstract
The utility model discloses a luminous keyboard module, a serial communication port, including the main circuit, connect be used for keyboard control's keyboard control module, control chip and a plurality of luminous control circuit in the main circuit, control chip connects and every luminous control circuit connects, and is used for control luminous control circuit's break-make, luminous control circuit is connected with: an input terminal for power input; a first output terminal for grounding; at least one light emitter connected between the input and the first output; and the amplifier is connected with the control chip and used for amplifying signals. The utility model discloses with the setting in a poor light of keyboard control and keyboard in same circuit, according to the luminous effect of control chip control, on the basis of guaranteeing the lamp effect, make keyboard circuit simplification, integrate, reduce the space of keyboard complete machine simultaneously, make the keyboard slim.
Description
Technical Field
The utility model relates to a luminous keyboard module.
Background
The backlight keyboard is usually embedded in a designed keyboard slot by adopting a high-brightness luminous body, and when a computer receives a keyboard knocking command, the computer controls the light signal of the light-emitting diode to emit light through the command. Each key of the keyboard adopts a special plastic black part which has good light shading performance, and a white part has strong transparency, so that the basic function of the backlight keyboard is realized. The keyboard is quite convenient for the personnel handling the affairs at night, and the appearance of the keyboard is beautiful.
In the prior art, the keyboard control and the light emitting control are separately arranged, so that the occupied space is large, the keyboard is thick and heavy, the use reliability is not high, and the development of thinning and miniaturization of products is not facilitated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an it has keyboard control and luminous control's luminous keyboard module to integrate.
In order to solve the above problems, the utility model provides a luminous keyboard module, a serial communication port, include
The keyboard control module, control chip and a plurality of luminous control circuit that are connected in the main circuit and are used for keyboard control, the control chip is connected with every luminous control circuit and is used for controlling the break-make of luminous control circuit and/or the electric current in the luminous control circuit, luminous control circuit is connected with:
-an input for a power supply input;
-a first output for grounding;
-at least one light emitter connected between the input and the first output;
-an amplifier connected to the control chip for signal amplification, the amplifier being connected in series with the light.
As a further improvement of the utility model, the input with be connected with a voltage stabilizing circuit between the luminous body, voltage stabilizing circuit is equipped with electric capacity and is used for the second output of ground connection.
As a further improvement of the present invention, the light-emitting control circuit is further connected with at least one resistor connected in series with the light-emitting body, and the resistor is used for limiting current.
As a further improvement of the present invention, the amplifier is a triode.
As a further improvement of the present invention, the light emitting body is a light emitting diode.
As a further improvement of the present invention, the light emitting body is provided with a plurality of light emitting elements, and is connected in series to the light emitting control circuit.
As a further improvement of the utility model, main circuit, keyboard control circuit, light-emitting control circuit and voltage stabilizing circuit are all integrated on the PCB circuit board.
The beneficial effects of the utility model reside in that, the utility model discloses with the setting in a poor light of keyboard control and keyboard in same circuit, according to the luminous effect of control chip control, on the basis of guaranteeing the lamp effect, make the keyboard circuit simplify, integrate, reduce the space of keyboard complete machine simultaneously, make the keyboard slim.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 2-a control chip; 402-an input terminal; 404-a first output; 406-a light emitter; 408-an amplifier; 410-resistance; 602-capacitance; 604-second output.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses a main circuit is connected keyboard control module, control chip 2 and a plurality of luminous control circuit that are used for keyboard control in the main circuit, control chip 2 connect with every luminous control circuit connects, and is used for control luminous control circuit's break-make and/or electric current in the luminous control circuit, luminous control circuit is connected with:
an input 402 for a power supply input;
a first output 404 for ground;
-at least one light 406 connected between said input 402 and said first output 404;
an amplifier 408 connected to the control chip 2 for signal amplification, the amplifier 408 being connected in series with the light 406.
As a further improvement of the present invention, the input end 402 and a voltage stabilizing circuit is connected between the light emitting bodies 406, the voltage stabilizing circuit is provided with an electric capacitor 602 and a second output end 604 for grounding.
As a further improvement of the present invention, the light-emitting control circuit is further connected with at least one resistor 410 connected in series with the light-emitting body 406, and the resistor 410 is used for current limiting.
As a further improvement of the present invention, the amplifier 408 is a triode.
As a further improvement of the present invention, the light emitter 406 is a light emitting diode.
As a further improvement of the present invention, the light-emitting body 406 is provided in plural, and is connected in series in the light-emitting control circuit.
As a further improvement of the utility model, main circuit, keyboard control circuit, light-emitting control circuit and voltage stabilizing circuit are all integrated on the PCB circuit board.
The utility model discloses with the setting in a poor light of keyboard control and keyboard in same circuit, according to the luminous effect of control chip 2 control, on the basis of guaranteeing the lamp effect, make keyboard circuit simplification, integrate, reduce the space of keyboard complete machine simultaneously, make the keyboard slim.
The utility model discloses in, be provided with electric capacity 602 to and voltage stabilizing circuit, the effect is to the light emitting control circuit steady voltage.
The utility model discloses in, set up control resistor 410 for the current-limiting in the circuit.
In the utility model, a control chip 2, in particular an IC chip is arranged, the IC chip can control the on-off of a corresponding light-emitting control circuit according to a program in the IC chip, and a light-emitting body 406 on the light-emitting control circuit is turned off or turned on; or the IC chip adjusts the brightness of the light 406 by controlling the current in the light emission control circuit.
The utility model discloses in, the triode of being connected with the IC chip is set up, plays the effect of amplifying the signal.
The circuits and the electric elements are integrated on the PCB, which is beneficial to the miniaturization of the structure.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (7)
1. A light-emitting keyboard module is characterized by comprising
The keyboard control device comprises a main circuit, a keyboard control module, a control chip (2) and a plurality of light-emitting control circuits, wherein the keyboard control module, the control chip (2) and the plurality of light-emitting control circuits are connected in the main circuit, the control chip (2) is connected with each light-emitting control circuit and is used for controlling the on-off of the light-emitting control circuits and/or the current in the light-emitting control circuits, and the light-emitting control circuits are connected with:
-an input (402) for a power supply input;
-a first output (404) for ground;
-at least one light emitter (406) connected between the input (402) and the first output (404);
-an amplifier (408) connected to the control chip (2) for signal amplification.
2. The illuminated keyboard module according to claim 1, wherein a voltage regulator circuit is connected between the input terminal (402) and the light emitter (406), the voltage regulator circuit having a capacitor (602) and a second output terminal (604) for grounding.
3. The illuminated keyboard module according to claim 2, wherein at least one resistor (410) is connected to the illumination control circuit in series with the light emitter (406), and the resistor (410) is used for limiting current.
4. The illuminated keyboard module according to claim 3, wherein the amplifier (408) is a triode.
5. The illuminated keyboard module of claim 4, wherein the light emitter (406) is a light emitting diode.
6. The illuminated keyboard module according to claim 5, wherein the plurality of illuminators (406) are connected in series in the illumination control circuit.
7. The light-emitting keyboard module of claim 6, wherein the main circuit, the keyboard control circuit, the light-emitting control circuit and the voltage regulator circuit are integrated on a PCB circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120149501.1U CN214279848U (en) | 2021-01-20 | 2021-01-20 | Luminous keyboard module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120149501.1U CN214279848U (en) | 2021-01-20 | 2021-01-20 | Luminous keyboard module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214279848U true CN214279848U (en) | 2021-09-24 |
Family
ID=77763859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120149501.1U Active CN214279848U (en) | 2021-01-20 | 2021-01-20 | Luminous keyboard module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214279848U (en) |
-
2021
- 2021-01-20 CN CN202120149501.1U patent/CN214279848U/en active Active
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