CN208001388U - A kind of keyboard light control circuit - Google Patents
A kind of keyboard light control circuit Download PDFInfo
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- CN208001388U CN208001388U CN201820137829.XU CN201820137829U CN208001388U CN 208001388 U CN208001388 U CN 208001388U CN 201820137829 U CN201820137829 U CN 201820137829U CN 208001388 U CN208001388 U CN 208001388U
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Abstract
The utility model discloses a kind of keyboard light control circuits, including a Master Keyboard signal light control sub-circuit and a companion keyboard signal light control sub-circuit, the Master Keyboard signal light control sub-circuit is connected to several Master Keyboard LED light by an I2C buses, and the Master Keyboard signal light control sub-circuit includes a Master Keyboard MCU chip module and the luminous drive modules of a Master Keyboard LED;The companion keyboard signal light control sub-circuit is connected to several companion keyboard LED light by the I2C buses, and the companion keyboard signal light control sub-circuit includes a companion keyboard MCU chip module and the luminous drive modules of a companion keyboard LED.Keyboard light control circuit provided by the utility model can not only realize the independent lamp effect synchronous control of respective separate modular, realize light run around keyboard, the colorful effect for extinguishing of trail;And the lamp effect synchronous control of multiple modules is can also be achieved, so that the signal light control of entire keyboard is combined, realizes colorful effect.
Description
Technical field
The utility model is related to a kind of lighting control circuit more particularly to a kind of keyboard light control circuits.
Background technology
The typically no lighting effects of common keyboard, user experience effect is poor, cannot be satisfied special user to lighting effects
Demand.Therefore, there is the keyboard with lighting effects, not only play the role of illumination, also give light visual effect,
Improve user experience.
However, existing keyboard light generally can only be to the independent control of single light-emitting component, or directly owned
Light on and off control while light, and the lighting effects of such acquisition are typically all bright or all go out, and lighting effects are poor, can not
It realizes colorful effect, cannot be satisfied the higher demand of user.
Utility model content
Against the above deficiency, it the purpose of this utility model is to provide a kind of keyboard light control circuit, can not only realize
The independent lamp of respective separate modular imitates synchronous control, realize light run around keyboard, the colorful effect for extinguishing of trail;But also
The lamp that multiple modules can be achieved imitates synchronous control, and the signal light control of entire keyboard is made to be combined, and realizes colorful effect.
Used technical solution is the utility model in order to achieve the above objectives:
A kind of keyboard light control circuit, including a Master Keyboard signal light control sub-circuit and a companion keyboard signal light control electricity
Road, which is characterized in that the Master Keyboard signal light control sub-circuit is connected to several Master Keyboard LED light, and the master by an I2C buses
It includes a Master Keyboard MCU chip module and the luminous drive modules of a Master Keyboard LED that keyboard light, which controls sub-circuit,;The companion keyboard lamp
Photocontrol sub-circuit is connected to several companion keyboard LED light by the I2C buses, and the companion keyboard signal light control sub-circuit includes
One companion keyboard MCU chip module and the luminous drive modules of a companion keyboard LED.
The luminous drive modules of the Master Keyboard LED include that a Master Keyboard LED drives as a further improvement of the utility model,
Dynamic chip U5, resistance R21, resistance R25~R29, polar capacitor C20 and capacitance C22, the 2nd of Master Keyboard LED drive chip U5 the
Pin be respectively connected to the one end resistance R25, polar capacitor C20 anodes and Master Keyboard MCU chip module the 33rd pin;The resistance
The R25 other ends are respectively connected to the 3rd pin of the one end resistance R21 and Master Keyboard LED drive chip U5, the resistance R21 other ends
It is connected to the 41st pin of Master Keyboard MCU chip module;Between the 5th pin and the 6th pin of Master Keyboard LED drive chip U5
Pass through a resistance R26 connections;The 18th pin of Master Keyboard LED drive chip U5 is connected to the one end resistance R27, resistance R27
The other end is connected to the one end capacitance C22, and the capacitance C22 other ends are connected to the 16th pin of Master Keyboard LED drive chip U5;It should
The 19th pin of Master Keyboard LED drive chip U5 is respectively connected to one end data line SDA and resistance R28 of I2C buses, the resistance
The R28 other ends are connected to the 33rd pin of Master Keyboard MCU chip module;The 20th pin of Master Keyboard LED drive chip U5 point
It is not connected to one end clock cable SCL and resistance R29 of I2C buses, the resistance R29 other ends are connected to Master Keyboard MCU core
33rd pin of piece module.
The luminous drive modules of the companion keyboard LED include that a companion keyboard LED drives as a further improvement of the utility model,
Dynamic chip TU6, resistance TR11, resistance TR6~TR8 and polar capacitor TC32, the 2nd pin of companion keyboard LED drive chip TU6
Be respectively connected to the one end resistance TR6, polar capacitor TC32 anodes and companion keyboard MCU chip module the 44th pin;Resistance TR6
The other end is respectively connected to the 3rd pin of the one end resistance TR8 and companion keyboard LED drive chip TU6, and the resistance TR8 other ends connect
It is connected to the 18th pin of companion keyboard MCU chip module;Between the 5th pin and the 6th pin of companion keyboard LED drive chip TU6
Pass through a resistance TR7 connections;The 18th pin of companion keyboard LED drive chip TU6 is connected to the one end resistance TR11, the resistance
The TR11 other ends be respectively connected to the 19th pin of companion keyboard LED drive chip TU6, I2C buses data line SDA and companion keyboard
8th pin of MCU chip module;The 20th pin of companion keyboard LED drive chip TU6 is respectively connected to the clock of I2C buses
The 9th pin of signal wire SCL and companion keyboard MCU chip module.
Further include lamp bar control sub-circuit as a further improvement of the utility model, it is logical which controls sub-circuit
Cross several LED light that the I2C buses are connected on keyboard base.
As a further improvement of the utility model, lamp bar control sub-circuit include a LED light driving chip LU1,
Resistance LR5~LR7, capacitance LC1 and polar capacitor LC2, wherein the 2nd pin of LED light driving chip LU1 is respectively connected to
The one end resistance LR6 is connected to the 3rd pin of LED light driving chip LU1 with polar capacitor LC2 anodes, the resistance LR6 other ends;
Pass through a resistance LR7 connections between the 5th pin and the 6th pin of LED light driving chip LU1;LED light driving chip LU1
The 16th pin be connected to capacitance LC1;Pass through a resistance between the 18th pin and the 20th pin of LED light driving chip LU1
LR5 connections, and the 19th pin of LED light driving chip LU1 is connected to the data line SDA of I2C buses, which drives core
The 20th pin of piece LU1 is connected to the clock cable SCL of I2C buses.
The beneficial effects of the utility model are:By to Master Keyboard signal light control sub-circuit, companion keyboard signal light control electricity
Road and the principle of lamp bar control sub-circuit design, and can not only realize the independent lamp effect synchronous control of respective separate modular, realize lamp
Light runs around keyboard, the colorful effect for extinguishing of trail;And Master Keyboard signal light control sub-circuit is can also be achieved to companion keyboard LED
Lamp and the lamp of keyboard base lamp bar imitate synchronous control, so that the signal light control of entire keyboard is combined, realize colorful effect.
Above-mentioned is the general introduction of utility model technical solution, below in conjunction with attached drawing and specific implementation mode, to the utility model
It is described further.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model Master Keyboard MCU chip module;
Fig. 2 is the schematic diagram of the luminous drive modules of the utility model Master Keyboard LED;
Fig. 3 is the schematic diagram of the utility model companion keyboard MCU chip module;
Fig. 4 is the schematic diagram of the luminous drive modules of the utility model companion keyboard LED;
Fig. 5 is the schematic diagram that the utility model lamp bar controls sub-circuit.
Specific implementation mode
Further to illustrate that the utility model is to reach the technological means and effect that predetermined purpose is taken, below in conjunction with
Specific embodiment of the present utility model is described in detail in attached drawing and preferred embodiment.
Fig. 1 and Fig. 2 are please referred to, the utility model embodiment provides a kind of keyboard light control circuit, including a Master Keyboard
Signal light control sub-circuit, the Master Keyboard signal light control sub-circuit are connected to several Master Keyboard LED light by an I2C buses, and should
Master Keyboard signal light control sub-circuit includes a Master Keyboard MCU chip module and the luminous drive modules of a Master Keyboard LED.
As shown in Fig. 2, the Master Keyboard LED shine drive module include a Master Keyboard LED drive chip U5, resistance R21,
The 2nd pin of resistance R25~R29, polar capacitor C20 and capacitance C22, Master Keyboard LED drive chip U5 are respectively connected to electricity
Hinder R25 one end, polar capacitor C20 anodes and Master Keyboard MCU chip module the 33rd pin;The resistance R25 other ends connect respectively
It is connected to the 3rd pin of the one end resistance R21 and Master Keyboard LED drive chip U5, the resistance R21 other ends are connected to Master Keyboard MCU
41st pin of chip module;Connected by a resistance R26 between the 5th pin and the 6th pin of Master Keyboard LED drive chip U5
It connects;The 18th pin of Master Keyboard LED drive chip U5 is connected to the one end resistance R27, and the resistance R27 other ends are connected to capacitance
The one end C22, the capacitance C22 other ends are connected to the 16th pin of Master Keyboard LED drive chip U5;Master Keyboard LED drives core
The 19th pin of piece U5 is respectively connected to one end data line SDA and resistance R28 of I2C buses, and the resistance R28 other ends are connected to
33rd pin of Master Keyboard MCU chip module;The 20th pin of Master Keyboard LED drive chip U5 is respectively connected to I2C buses
Clock cable SCL and the one end resistance R29, what the resistance R29 other ends were connected to Master Keyboard MCU chip module the 33rd draws
Foot.
By designing the synchronous control, it can be achieved that several Master Keyboard LED light to Master Keyboard signal light control sub-circuit, on
, it can be achieved that light is run around keyboard after electricity, hangover is extinguished, and after running through all buttons, restores light status before power down, acquisition is dazzled
Color effect.
Fig. 3 and Fig. 4 are please referred to, the present embodiment keyboard light control circuit further includes a companion keyboard signal light control sub-circuit,
The companion keyboard signal light control sub-circuit is connected to several companion keyboard LED light, and the companion keyboard signal light control by the I2C buses
Sub-circuit includes a companion keyboard MCU chip module and the luminous drive modules of a companion keyboard LED.
As shown in figure 4, the companion keyboard LED shines, drive module includes a companion keyboard LED drive chip TU6, resistance
The 2nd pin of TR11, resistance TR6~TR8 and polar capacitor TC32, companion keyboard LED drive chip TU6 are respectively connected to resistance
The one end TR6, polar capacitor TC32 anodes and companion keyboard MCU chip module the 44th pin;The resistance TR6 other ends are separately connected
To the 3rd pin of the one end resistance TR8 and companion keyboard LED drive chip TU6, the resistance TR8 other ends are connected to companion keyboard MCU core
18th pin of piece module;Connected by a resistance TR7 between the 5th pin and the 6th pin of companion keyboard LED drive chip TU6
It connects;The 18th pin of companion keyboard LED drive chip TU6 is connected to the one end resistance TR11, and the resistance TR11 other ends connect respectively
It is connected to the 19th pin of companion keyboard LED drive chip TU6, the data line SDA and the 8th of companion keyboard MCU chip module of I2C buses
Pin;The 20th pin of companion keyboard LED drive chip TU6 is respectively connected to the clock cable SCL and companion keyboard of I2C buses
9th pin of MCU chip module.
By designing the synchronous control, it can be achieved that several companion keyboard LED light to companion keyboard signal light control sub-circuit, on
, it can be achieved that light is run around keyboard after electricity, hangover is extinguished, and after running through all buttons, restores light status before power down, acquisition is dazzled
Color effect.
Fig. 5 is please referred to, the present embodiment keyboard light control circuit further includes lamp bar control sub-circuit, lamp bar control
Circuit is connected to several LED light on keyboard base by the I2C buses.
Specifically, the lamp bar control sub-circuit includes a LED light driving chip LU1, resistance LR5~LR7, capacitance LC1
With polar capacitor LC2, wherein the 2nd pin of LED light driving chip LU1 is respectively connected to the one end resistance LR6 and polar capacitor
LC2 anodes, the resistance LR6 other ends are connected to the 3rd pin of LED light driving chip LU1;The of LED light driving chip LU1
Pass through a resistance LR7 connections between 5 pins and the 6th pin;The 16th pin of LED light driving chip LU1 is connected to capacitance
LC1;By a resistance LR5 connections between the 18th pin and the 20th pin of LED light driving chip LU1, and the LED light drives
The 19th pin of chip LU1 is connected to the data line SDA of I2C buses, and the 20th pin of LED light driving chip LU1 is connected to
The clock cable SCL of I2C buses.
By the design to lamp bar control sub-circuit, it can be achieved that the synchronous control to several LED light in lamp bar, powers on
Afterwards, it can be achieved that light is run around keyboard, hangover is extinguished, and after running through all buttons, is restored light status before power down, is obtained colorful
Effect.
Meanwhile sub-circuit is controlled by above-mentioned Master Keyboard signal light control sub-circuit, companion keyboard signal light control sub-circuit and lamp bar
Principle design, can not only realize respective separate modular independent lamp effect synchronous control, realize light run, trail around keyboard
The colorful effect of extinguishing;And Master Keyboard signal light control sub-circuit is can also be achieved to companion keyboard LED light and keyboard base lamp bar
Lamp imitates synchronous control, and the signal light control of entire keyboard is made to be combined, and realizes colorful effect.
The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model
Any restrictions, therefore identical as the utility model above-described embodiment or approximate technical characteristic is used, and obtained other structures,
It is within the protection scope of the utility model.
Claims (5)
1. a kind of keyboard light control circuit, including a Master Keyboard signal light control sub-circuit and a companion keyboard signal light control electricity
Road, which is characterized in that the Master Keyboard signal light control sub-circuit is connected to several Master Keyboard LED light, and the master by an I2C buses
It includes a Master Keyboard MCU chip module and the luminous drive modules of a Master Keyboard LED that keyboard light, which controls sub-circuit,;The companion keyboard lamp
Photocontrol sub-circuit is connected to several companion keyboard LED light by the I2C buses, and the companion keyboard signal light control sub-circuit includes
One companion keyboard MCU chip module and the luminous drive modules of a companion keyboard LED.
2. keyboard light control circuit according to claim 1, which is characterized in that the Master Keyboard LED, which shines, drives mould
Block includes a Master Keyboard LED drive chip U5, resistance R21, resistance R25~R29, polar capacitor C20 and capacitance C22, the major key
The 2nd pin of disk LED drive chip U5 is respectively connected to the one end resistance R25, polar capacitor C20 anodes and Master Keyboard MCU chip
33rd pin of module;The resistance R25 other ends are respectively connected to the 3rd of the one end resistance R21 and Master Keyboard LED drive chip U5
Pin, the resistance R21 other ends are connected to the 41st pin of Master Keyboard MCU chip module;Master Keyboard LED drive chip U5's
Pass through a resistance R26 connections between 5th pin and the 6th pin;The 18th pin of Master Keyboard LED drive chip U5 is connected to electricity
The one end R27 is hindered, the resistance R27 other ends are connected to the one end capacitance C22, and the capacitance C22 other ends are connected to Master Keyboard LED drivings
The 16th pin of chip U5;The 19th pin of Master Keyboard LED drive chip U5 is respectively connected to the data line SDA of I2C buses
With the one end resistance R28, the resistance R28 other ends are connected to the 33rd pin of Master Keyboard MCU chip module;Master Keyboard LED drives
The 20th pin of dynamic chip U5 is respectively connected to one end clock cable SCL and resistance R29 of I2C buses, and resistance R29 is another
End is connected to the 33rd pin of Master Keyboard MCU chip module.
3. keyboard light control circuit according to claim 1, which is characterized in that the companion keyboard LED, which shines, drives mould
Block includes a companion keyboard LED drive chip TU6, resistance TR11, resistance TR6~TR8 and polar capacitor TC32, companion keyboard LED
The 2nd pin of driving chip TU6 is respectively connected to the one end resistance TR6, polar capacitor TC32 anodes and companion keyboard MCU chip module
The 44th pin;The resistance TR6 other ends are respectively connected to the one end resistance TR8 and draw with the 3rd of companion keyboard LED drive chip TU6
Foot, the resistance TR8 other ends are connected to the 18th pin of companion keyboard MCU chip module;Companion keyboard LED drive chip TU6's
Pass through a resistance TR7 connections between 5th pin and the 6th pin;The 18th pin of companion keyboard LED drive chip TU6 is connected to
The one end resistance TR11, the resistance TR11 other ends are respectively connected to the 19th pin of companion keyboard LED drive chip TU6, I2C buses
Data line SDA and companion keyboard MCU chip module the 8th pin;The 20th pin of companion keyboard LED drive chip TU6 is distinguished
It is connected to the 9th pin of the clock cable SCL and companion keyboard MCU chip module of I2C buses.
4. according to any keyboard light control circuit in claims 1 to 3, which is characterized in that further include a lamp bar control
System circuit, lamp bar control sub-circuit are connected to several LED light on keyboard base by the I2C buses.
5. keyboard light control circuit according to claim 4, which is characterized in that the lamp bar control sub-circuit includes one
LED light driving chip LU1, resistance LR5~LR7, capacitance LC1 and polar capacitor LC2, wherein LED light driving chip LU1's
2nd pin is respectively connected to the one end resistance LR6 and polar capacitor LC2 anodes, and the resistance LR6 other ends are connected to LED light driving
The 3rd pin of chip LU1;Pass through a resistance LR7 connections between the 5th pin and the 6th pin of LED light driving chip LU1;It should
The 16th pin of LED light driving chip LU1 is connected to capacitance LC1;The 18th pin of LED light driving chip LU1 draws with the 20th
By a resistance LR5 connections between foot, and the 19th pin of LED light driving chip LU1 is connected to the data line of I2C buses
The 20th pin of SDA, LED light driving chip LU1 are connected to the clock cable SCL of I2C buses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820137829.XU CN208001388U (en) | 2018-01-26 | 2018-01-26 | A kind of keyboard light control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820137829.XU CN208001388U (en) | 2018-01-26 | 2018-01-26 | A kind of keyboard light control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN208001388U true CN208001388U (en) | 2018-10-23 |
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ID=63837890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820137829.XU Active CN208001388U (en) | 2018-01-26 | 2018-01-26 | A kind of keyboard light control circuit |
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| CN (1) | CN208001388U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI682687B (en) * | 2018-12-04 | 2020-01-11 | 聯陽半導體股份有限公司 | Driving method and driving apparatus for light emitting diodes in keyboard |
| CN115079838A (en) * | 2022-07-06 | 2022-09-20 | 深圳芯耀科技有限公司 | Three-mode keyboard |
-
2018
- 2018-01-26 CN CN201820137829.XU patent/CN208001388U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI682687B (en) * | 2018-12-04 | 2020-01-11 | 聯陽半導體股份有限公司 | Driving method and driving apparatus for light emitting diodes in keyboard |
| US10952294B2 (en) | 2018-12-04 | 2021-03-16 | Ite Tech. Inc. | Driving method and driving apparatus for light emitting diodes in keyboard |
| CN115079838A (en) * | 2022-07-06 | 2022-09-20 | 深圳芯耀科技有限公司 | Three-mode keyboard |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 523000 Room 201, building 2, No. 170, Qingxi Xiangshan Road, Qingxi Town, Dongguan City, Guangdong Province Patentee after: Size (Dongguan) Technology Co.,Ltd. Address before: 3 / F, building a, xinbosheng maker Industrial Park, 5 Xinyuan South Road, Tangxia Town, Dongguan City, Guangdong Province 523000 Patentee before: DONGGUAN DAXIAO ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |