CN207529341U - A kind of keyboard of idler wheel control - Google Patents
A kind of keyboard of idler wheel control Download PDFInfo
- Publication number
- CN207529341U CN207529341U CN201721671238.2U CN201721671238U CN207529341U CN 207529341 U CN207529341 U CN 207529341U CN 201721671238 U CN201721671238 U CN 201721671238U CN 207529341 U CN207529341 U CN 207529341U
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- China
- Prior art keywords
- keyboard
- idler wheel
- mcu
- key
- wheel control
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Abstract
The utility model discloses a kind of keyboards of idler wheel control, including keyboard body, the keyboard body includes key zone, usb connecting port, LED light and idler wheel control zone, the idler wheel control zone includes at least four idler wheels and encoder, the idler wheel is electrically connected by the haptic element of encoder with MCU, the LED light is connect with MCU, the usb connecting port is arranged on the side of keyboard body, and usb connecting port is electrically connected with the PCBA being arranged on inside keyboard body, the MCU is electrically connected with programming mouth;The utility model, reasonable design is easy to operate, multiple functional, can individually control multimedia volume and keyboard light brightness.
Description
Technical field
The utility model is related to electronic technology field, specially a kind of keyboard of idler wheel control.
Background technology
Keyboard is a kind of instruction and data input unit for operating equipment operation, also refers to and operates one by system arrangement
One group of function key of platform machine or equipment, keyboard be it is the most frequently used be also most important input equipment, can will be English by keyboard
Letter, number, punctuation mark etc. are input in computer, so as to send out order, input data etc. to computer, with the time
Passage, the independent product with various shortcut functions that also occurs in the market gradually are individually sold, and with dedicated driving
With setting software, personalized operation can be also realized on compatible.
The multimedia control key of computer is generally present on the screen of computer, in people's real life, if people need
When going control multimedia volume functions, majority operation is all to look for multimedia in the computer screen multimedia page using mouse
The control key of volume, some mouse button keyboard keys can also control multimedia volume, but that is needed always in multimedia
The page could be realized, and people cannot use when other operations are carried out, for some keyboards for backlight illumination
Adjusting also seem overelaborated and not enough succinctly make the study of operator's needs early period that can just know how to operate, so have on a kind of keyboard
Independent multimedia control key and the keyboard of control brightness of backlight just seem of crucial importance.
Utility model content
The purpose of this utility model is to provide a kind of idler wheel control keyboard, keyboard using efficiently it is convenient, cost compared with
It is low, it is capable of the device of independent control multimedia volume and LED light brightness, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides following technical solution:A kind of keyboard of idler wheel control, including keyboard
Ontology, the keyboard body include key zone, usb connecting port, LED light and idler wheel control zone, and the idler wheel control zone includes
At least four idler wheels and encoder, the idler wheel are electrically connected by the haptic element of encoder with MCU, and the LED light connects with MCU
It connects, the usb connecting port is arranged on the side of key zone, and usb connecting port and the PCBA that is arranged on inside keyboard body
It is electrically connected, the MCU is connect with programming mouth electric wire.
Preferably, the keyboard case be equipped with F key function keys panel, major key panel, usb connecting port, control keypad,
Num numerical keypads area and idler wheel control zone.
Preferably, the LED light includes LOGO lamps, multimedia indicator light and keyboard backlight, the LOGO lamps and power supply
It is electrically connected, the multimedia indicator light is inlayed with idler wheel, and the keyboard backlight is electrically connected with MCU, and the LED light is divided into
LOGO lamps, multimedia indicator light and keyboard backlight;The multimedia indicator light light appears among idler wheel, 360 degree rotation
Idler wheel and light is unaffected, 360 degrees omnidirection shines.
Compared with prior art, the beneficial effects of the utility model are:
1st, the utility model, simple in structure, reliable, of low cost and use are efficient;
2nd, the idler wheel can directly control the brightness of multimedia volume and light;It is easy to operate, it is easy to accomplish;
3rd, multimedia indicator light light appears among idler wheel, 360 degree rotation idler wheel and light is unaffected, and 360 degree complete
Orientation shines, and light is made, which not rotated by idler wheel, to be influenced;
4th, key-press matrix is connected together by light driving circuit with the backlight of keyboard, C lines and the back of the body of key scan
The scanning of light lamp shares scanning signal foot key scan, and C lines are by controlling the triode of (QC1-QC23) 23 PNP to form the back of the body
The longitudinal scanning line (LED1-LED23) of light lamp, the R lines of backlight pass through (QR0-QR5) 6 by (DR0-DR5) 6 signal wires
The horizontal scan line (VDR0-VDR5) of a NPN triode control composition backlight;Pass through the longitudinal scanning and transverse direction of backlight
Scanning can realize the backlight effect under designated mode.
Description of the drawings
Fig. 1 is the structure diagram of the utility model;
Fig. 2 is the circuit structure diagram of the utility model;
Fig. 3 is the PCBA board main control part circuit diagram of the utility model;
Fig. 4 is the PCBA board interface section circuit diagram of the utility model;
Fig. 5 is the PCBA board key backlight lamp partial circuit diagram of the utility model;
Fig. 6 is the PCBA board LOGO lamp partial circuit diagrams of the utility model.
In figure:1F key function keys panel, 2 major key panels, 3USB connectivity ports, 4 control keypads, 5Num numerical keypads
Area, 6 idler wheel control zones.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 6 are please referred to Fig.1, the utility model provides a kind of technical solution:A kind of keyboard of idler wheel control, including keyboard sheet
Body, the keyboard body include key zone, usb connecting port 3, LED light and idler wheel control zone 6, and the key zone includes F key work(
It can keyboard region 1, major key panel 2, control keypad 4, Num numerical keypads area 5;The idler wheel control zone 6 includes at least four
Idler wheel and encoder, the idler wheel are electrically connected by the haptic element of encoder with MCU, and the LED light is connect with MCU, the USB
Connectivity port 3 is arranged on the side of key zone, and usb connecting port 3 is electrically connected with the PCBA being arranged on inside keyboard body,
The MCU is connect with programming mouth electric wire;
Wherein usb connecting port 3 is connect by USB line with computer, and the D+ of USB, D- have 2 resistance (RR12, RR13) and 2
A capacitance (C4, C5) carries out communication matching;
Idler wheel connect to control volume with MCU by encoder:The coding foot of idler wheel (SWZ) is connected directly with MCU, is adjusted
Idler wheel generates coding, after MCU receives coding, by USB and dataphone, realizes the function of adjusting computer multi-media volume;
LOGO lamps control:LOGO lamps are connected to 5V power supplys by a current-limiting resistance RR6;When energized, LOGO lamps
It is always on;
Multimedia key controls:Keyboard body has 4 idler wheels, idler wheel control multimedia, when MCU receive multimedia by
It during the key assignments of key, is sent and encoded to computer by USB, realize multimedia control function;A corresponding WIN below WIN LOCK keys
LOCK indicator lights, can be with ON/OFF WIN LOCK indicator lights by pressing WIN LOCK keys;(Prev Track,Play/Pause,
Next Track) lower sections of 3 independent multimedia keys corresponds to 3 indicator lights, and this 3 indicator lights pass through a current-limiting resistance RR6
It is connected to 5V power supplys.When energized, 3 indicator lights are always on.
Wherein F keys function key panel 1, major key panel 2, the key scan control for controlling keypad 4, Num numerical keypads area 5
System:Key scan is made of C lines and R lines, and when C1-C23 is low level, by key pressing, the corresponding diode of switch-on keying makes R
Line becomes low level, and C lines form key-press matrix with R lines, and corresponding by key pressing, MCU is sent to computer by USB and encoded, real
Existing keyboard book enters and multimedia function;
The control of keyboard backlight:Key-press matrix is connected together by light driving circuit with the backlight of keyboard;It presses
The C lines of key scanning share scanning signal foot with backlight scanning.The C lines of key scan are by controlling (QC1-QC23) 23 PNP
Triode composition backlight longitudinal scanning line (LED1-LED23), the R lines of backlight are by (DR0-DR5) 6 signal wires
Pass through the horizontal scan line (VDR0-VDR5) of (QR0-QR5) 6 NPN triode control composition backlights;Pass through backlight
Longitudinal scanning and transversal scanning can realize the backlight effect under designated mode;
Specifically, the encoder is 8421 encoders, the encoder input low level is effective, and converts direct, use
It is convenient.
Specifically, the LED lamplight appears among idler wheel, 360 degree rotation idler wheel and light is unaffected, 360 degree complete
Orientation shines, and light is made, which not rotated by idler wheel, to be influenced.
Operation principle:The usb connecting port of keyboard 3 and computer are attached during use, at this point, directly being connect with power supply
LOGO lamps start to light, and display keyboard can be used normally, and WIN LOCK indicator lights can pass through WIN LOCK key ON/OFF
WIN LOCK indicator lights;Then the backlight of keyboard, the keyboard safety check scan control connection of the keyboard backlight and keyboard are reconciled
Together, altogether using C lines and R lines, and the C lines of key scan are by controlling the triode of (QC1-QC23) 23 PNP to form the back of the body
The longitudinal scanning line (LED1-LED23) of light lamp, the R lines of backlight pass through (QR0-QR5) 6 by (DR0-DR5) 6 signal wires
The horizontal scan line (VDR0-VDR5) of a NPN triode control composition backlight.
Longitudinal scanning and transversal scanning by backlight can realize the backlight effect under designated mode, and keyboard is pressed
Key scanning control be C1-C23 be low level when, by key pressing, the corresponding diode of switch-on keying makes R lines become low level.C
Line and R lines form key-press matrix, and corresponding by key pressing, MCU is sent to computer by USB and encoded, and realize that keyboard book enters and more
Media function;The method of the adjusting of volume control and keyboard light for idler wheel be idler wheel (SWZ) coding foot and MCU it is direct
It is connected, adjusts idler wheel and generate coding.After MCU receives coding, by USB and dataphone, realize and adjust computer multi-media sound
The function of amount and control lamplight brightness.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of keyboard of idler wheel control, including keyboard body, it is characterised in that:The keyboard body includes key zone, USB connects
Port (3), LED light and idler wheel control zone (6) are connect, the idler wheel control zone (6) includes at least four idler wheels and encoder, described
Idler wheel is electrically connected by the haptic element of encoder with MCU, and the LED light is connect with MCU, and the usb connecting port (3) is arranged on
The side of keyboard body, and usb connecting port (3) is electrically connected with the PCBA being arranged on inside keyboard body, the MCU is with burning
Write mouth electric connection.
2. a kind of keyboard of idler wheel control according to claim 1, it is characterised in that:The key zone includes F key functions
Keyboard region (1), major key panel (2), control keypad (4), Num numerical keypads area (5).
3. a kind of keyboard of idler wheel control according to claim 1, it is characterised in that:The LED light includes LOGO lamps, more
Media indicator light and keyboard backlight, the LOGO lamps are electrically connected with the power supply, and the multimedia indicator light is inlayed with idler wheel, institute
Keyboard backlight is stated to be electrically connected with MCU.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721671238.2U CN207529341U (en) | 2017-12-05 | 2017-12-05 | A kind of keyboard of idler wheel control |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721671238.2U CN207529341U (en) | 2017-12-05 | 2017-12-05 | A kind of keyboard of idler wheel control |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207529341U true CN207529341U (en) | 2018-06-22 |
Family
ID=62578697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201721671238.2U Active CN207529341U (en) | 2017-12-05 | 2017-12-05 | A kind of keyboard of idler wheel control |
Country Status (1)
Country | Link |
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CN (1) | CN207529341U (en) |
-
2017
- 2017-12-05 CN CN201721671238.2U patent/CN207529341U/en active Active
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