CN209728681U - A kind of bimodulus backlight keyboard - Google Patents
A kind of bimodulus backlight keyboard Download PDFInfo
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- CN209728681U CN209728681U CN201920761060.3U CN201920761060U CN209728681U CN 209728681 U CN209728681 U CN 209728681U CN 201920761060 U CN201920761060 U CN 201920761060U CN 209728681 U CN209728681 U CN 209728681U
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Abstract
The utility model relates to disclose a kind of bimodulus backlight keyboard.It includes that keyboard mould group, keyboard mould group make the backlight module of contraposition matching distribution, backlight module is controlled according to the on-off signal of keyboard mould group carry out light on and off conversion or versicolor master control module, being respectively used to make the interaction data between master control module and end host wired connection mould group and the radio communication mold group of transmission and conversion process for powering mould group to the battery that radio communication mold group, master control module and backlight module provide working power respectively.For the utility model by wireline mode and wireless mode together as one to form bimodulus keyboard, user can select the application mode of keyboard according to the actual situation, significantly enhance the flexibility that keyboard uses；Using battery power supply mould group and it is made to be controlled by radio communication mold group, the control system of entire keyboard can realize automatically self-power supply；It can then make corresponding keyboard or entire keyboard that different illumination effects be presented using the corresponding relationship between backlight module and keyboard mould group.
Description
Technical field
The utility model relates to computer keyboard technique field, especially a kind of bimodulus backlight keyboard.
Background technique
For the operating system of the intelligent terminals such as computer, keyboard be its indispensable command input device it
One；Conventional keyboard is generally the wired keyboard of single mode, that is, relies primarily on the connectors such as single USB interface and computer master
Machine carries out pairing connection, and with the fast development of wireless communication technique, the Wireless Keyboard of single mode comes into being, and is also keyboard
The flexible use of the mobile terminals such as and laptop itself provides greatly convenient.
With the continuous progress of technology and the continuous enhancing of practical performance demand, although occurring on the market at present some
The dual-mode keypad that wireline mode and wireless mode are become one, but the generally existing system structure of such keyboard is relatively multiple
Miscellaneous, wireline mode and wireless mode mutually switch the problems such as inconvenient and isolated operation stability is poor；In addition, current industry pair
The personalized of keyboard improves the configuration aspect for focusing primarily upon keyboard, often ignores illumination and the color effect pair of keyboard
The perception of user and the role and influence of psychology；Therefore, the illumination colouristic properties for how improving keyboard, which also become, improves keyboard reality
With performance technical problem urgently to be resolved.
Utility model content
In view of the deficiency of the prior art, the purpose of this utility model is to provide a kind of bimodulus backlight keyboards.
To achieve the goals above, the utility model adopts the following technical solution:
A kind of bimodulus backlight keyboard, it includes keyboard mould group, the backlight module of keyboard mould group work contraposition matching distribution, basis
The on-off signal control backlight module of keyboard mould group carries out light on and off conversion or versicolor master control module, is respectively used to master control
Interaction data between mould group and end host make transmission and conversion process wired connection mould group and radio communication mold group and
For providing the battery power supply mould group of working power to radio communication mold group, master control module and backlight module respectively；
The battery power supply Mo Zu is electrically connected with radio communication mold group, master control module and backlight module respectively, described to have
Line connection mould group, radio communication mold group, backlight module and keyboard Mo Zu are electrically connected with master control module respectively and are controlled by master control
Mould group.
Preferably, the keyboard mould group includes that several are switched in the keyboard of array distribution, if the backlight module includes
Dry switchs one-to-one single color LED in array distribution and with keyboard；
The anode of all single color LEDs in every a line passes through an anode alignment concatenation simultaneously and is integrated,
Every anode alignment passes through a corresponding first switch triode and is connected simultaneously with battery power supply mould group and master control module
And receive the individual control signal of master control module；
The cathode of all single color LEDs passes through a cathode line concatenation simultaneously and is integrated in each column, often
Cathode line described in item passes through a corresponding second switch triode and is connected with master control module and receives the independence of master control module
Control signal.
Preferably, it is one that the first end of all keyboard switches in every a line passes through bars line concatenation simultaneously
Body, every signal line are connected with master control module；The second end of all keyboard switches in each column is led to simultaneously
It crosses bars alignment concatenation to be integrated, every signal alignment is connected with master control module.
Preferably, the master control module includes a SH68F89 type Flash single-chip microcontroller.
Preferably, the wired connection mould group includes the USB connector that at least one is electrically connected with master control module.
Preferably, the radio communication mold group is a bluetooth module, and the bluetooth module includes mould of powering respectively with battery
Group and master control module be connected Bluetooth communication chip and be connected respectively with Bluetooth communication chip to code switch and to code instruction
Lamp.
Preferably, the battery power supply mould group includes supplying cell, is controlled by radio communication mold group and makees to supplying cell
The power supervisor of power supply output management, the regulating and controlling voltage device for being regulated and controled to the voltage that power supervisor exports, connection
Mode switch between supplying cell and the input terminal of regulating and controlling voltage device, the boost in voltage for exporting regulating and controlling voltage device
It is 5.0VDC with the synchronous booster that is powered respectively to master control module and backlight module and for synchronous booster is defeated
The linear voltage regulator that voltage out is adjusted to 3.3VDC voltage to be powered to wireless communication module；
The supplying cell, power supervisor, mode switch, regulating and controlling voltage device, synchronous booster and linear voltage regulator
It is linked in sequence, and the power supervisor and regulating and controlling voltage device are connected with radio communication mold group respectively and are controlled by wireless communication
Mould group.
Preferably, the regulating and controlling voltage device includes field-effect tube and is formed in parallel respectively by two Schottky diodes
First diode group and the second diode group, the first diode group are serially connected between the source electrode and drain electrode of field-effect tube, institute
It states the second diode group to be serially connected between the source electrode of field-effect tube and grid, the drain electrode of the field-effect tube passes through mode switch
Be connected between power supervisor and supplying cell and simultaneously with the battery signal test side of radio communication mold group be connected, grid it is same
When be connected with the power input of power supervisor, source electrode be grounded and be connected simultaneously with the power input of synchronous booster.
Preferably, the power supervisor includes a LN2054 type power management chip, and the synchronous booster includes one
ME2188 type synchronous boost DC-DC conversion chip, the linear voltage regulator include WL2805E33-5 Linear voltage stabilizing chip.
As the above scheme is adopted, the utility model is by wireline mode and wireless mode together as one to form bimodulus key
Disk, user can select the application mode of keyboard according to the actual situation, significantly enhance the flexibility that keyboard uses；Utilize battery
Power supply mould group simultaneously makes it be controlled by radio communication mold group, and the control system of entire keyboard can realize automatically self-power supply；It utilizes
Corresponding relationship between backlight module and keyboard mould group can then make corresponding keyboard or entire keyboard that different illumination effects be presented；
Its system structure is simple, feature-rich, mode is converted and stable, has very strong practical value and market popularization value.
Detailed description of the invention
Fig. 1 is the system control principle block diagram of the utility model embodiment；
Fig. 2 is the functional pin schematic diagram of the master control module of the utility model embodiment；
Fig. 3 is the array arrangement schematic diagram of the backlight module of the utility model embodiment；
Fig. 4 is the array arrangement schematic diagram of the keyboard mould group of the utility model embodiment；
Fig. 5 is the circuit structure of the USB connector of the utility model embodiment with reference to figure；
Fig. 6 is the peripheral circuit structural schematic diagram of the bluetooth module of the utility model embodiment；
Fig. 7 is the control principle block diagram of the battery power supply mould group of the utility model embodiment；
Fig. 8 is the circuit structure of the battery power supply mould group of the utility model embodiment with reference to figure.
Specific embodiment
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
As shown in Figures 1 to 8, a kind of bimodulus backlight keyboard provided in this embodiment, it includes:
Keyboard mould group a, mainly by the components such as the keycap being installed on keyboard body and switch form for user into
The input of row command signal, in the specific implementation can be according to the actual situation by the different numbers such as 87,104,105,106,107
And the keyboard of matrix arrangement relationship is composed；
Backlight module b matches distribution with keyboard mould group a work contraposition and (is respectively provided in each keycap in such as keyboard mould group a
The luminous point of one backlight module b, to form backlight luminescence point and the one-to-one matching relationship of keyboard), to utilize backlight
Mould group b makes the position of each key of entire keyboard all have luminous or versicolor condition；
Master control module c, the core control component as entire keyboard to use keyboard mould group a and backlight module b difference
It is connected with master control module c and is controlled by master control module c, so that master control module c can be according to the on-off signal of keyboard mould group a (i.e.:
The instruction data signal of keyboard mould group a) to control backlight module b carry out light on and off conversion or color transformed；
Wired connection mould group d is connected with master control module c and is controlled by master control module c in a manner of through wired connection
Realize the transmission and conversion process of the interaction data between end hosts A and master control module c such as host computer；
Radio communication mold group e is connected with master control module c and is controlled by master control module c in a manner of through wireless transmission
Realize the transmission and conversion process of the interaction data between end host A and master control module c；
And
Battery power mould group f, be electrically connected respectively with radio communication mold group e, master control module c and backlight module b with
Working power is provided to each mould group respectively under the control of radio communication mold group e.
The connection relationship and function between radio communication mold group e and wired connection mould group d and master control module c are utilized as a result,
Energy interactively forms the bimodulus keyboard by wireline mode and wireless mode together as one, and user can answer according to the reality of keyboard
Wired connection mode or radio connection between end host A are selected with situation, so that significantly enhancing keyboard makes
Flexibility；Meanwhile using the battery of setting power supply mould group f and it being made to be controlled by radio communication mold group e, user is using nothing
When line connection type, in the case where radio communication mold group e is enabled, the control system of entire keyboard can realize automatically self confession
Electricity；Conversely, can then rely on wired connection mould group d in the case where abandoning using wired connection mode and radio communication mold group e
It realizes the data interaction between end host A and keyboard body and obtains working power from end host A；In addition, utilizing backlight
Corresponding relationship between mould group b and keyboard mould group a (that is: can then be carried out when user taps keyboard by keyboard phase end host A
When instruction input), master control module c can be corresponding keyboard according to the signal condition of corresponding keyboard or according to preset mode
Or different illumination effects is presented in entire keyboard；In the specific implementation, by combining existing program means and selecting to have
Programming Control function master control module c and according to the actual situation using the light emitting diodes structure such as monochrome, dual base color, three primary colours
At backlight module b, it can be achieved that backlight module a overall work mode automatic exchange or it is passive exchange, thus the shape on keyboard
At monochromatic fixed, monochromatic breathing, full-color and seven color conversions, annular streamer, front and back streamer, diffusion contraction, front and back horse race etc.
The illumination effect of various modes.
Preferably, it is the structure for optimizing entire keyboard system to the maximum extent, enhances master control module c to backlight mould
The regulating effect of group b, (wherein, Fig. 3 shows the array relationship of single color LED Dn, and Fig. 4 is shown as shown in Figure 3 and Figure 4
The array relationship of keyboard switch Sn), the keyboard mould group a of the present embodiment includes that several are in keyboard switch Sn of array distribution,
Backlight module b then include several in array distribution and with the one-to-one single color LED Dn of keyboard switch Sn；Every
The anode of all single color LED Dn in a line passes through an anode alignment L+ concatenation simultaneously and is integrated, every anode column
Line L+ passes through a corresponding first switch triode Q1 and is connected simultaneously with battery power supply mould group f and master control module c and receives master
Control individual control signal (that is: the anode alignment L+ transmission that master control module c can be mutually different according to the function end feet of itself of mould group c
Corresponding signal)；And the cathode of all single color LED Dn then passes through a cathode line L- concatenation simultaneously in each column
It is integrated, every cathode line L- passes through a corresponding second switch triode Q2 and is connected with master control module c and receives master control
The individual control signal of mould group c.Several monochromes will be distributed in ranks using anode alignment L+ and cathode line L- as a result, to shine
Diode Dn concatenation is array and constitutes several complete circuits with master control module c simultaneously, opens when master control module c receives keyboard
After the on-off signal for closing Sn, can through its corresponding functional pin and under the cooperation of corresponding switching transistor to keyboard
Switch Sn carries out the controls such as light on and off conversion, colour temperature regulation with respect to the single color LED Dn of position, to realize keyboard backlight
Functional effect.
It on this basis, is the circuit structure for optimizing keyboard mould group c itself, as shown in figure 4, all keyboards in every a line
The first end of switch Sn passes through bars line Lh concatenation simultaneously and is integrated, every bars line Lh with master control module c phase
Even；The second end of all keyboard switch Sn in each column is then integrated by bars alignment Lx concatenation simultaneously, every letter
Number alignment Lx is connected with master control module c.All keyboard switch Sn can be closed using signal line Lh and signal alignment Lx as a result,
Connection is a matrix structure and forms several complete loops with master control module c, and master control module c is by detecting corresponding keyboard switch Sn's
On off operating mode simultaneously can form the state control to corresponding light emitting diode according to this status signal.
The master control module c of the present embodiment can use the existing integrated chip with programming Control function according to practical, make
For preferred embodiment, the master control module c of the present embodiment be mainly made of a SH68F89 type Flash single-chip microcontroller (its functional pin and
Peripheral circuit configuration can refer to Fig. 2), with using supporting Flash more times programmings possessed by this single-chip microcontroller, formerly updates and surely
The features such as qualitative high, at low cost, guarantees the performance of master control module c or even entire keyboard.
Preferably, the wired connection mould group d of the present embodiment is mainly electrically connected by least one with master control module c
USB connector constitute (it can use existing typical USB connector or Type-C connector according to the actual situation, wherein scheme
5 show a kind of circuit structure of USB connector with reference to figure).
To guarantee to make the stability of wireless communication connection, the radio communication mold of the present embodiment between keyboard and end host A
Group e is preferably a bluetooth module, with using technology maturation possessed by bluetooth module, stability is strong the features such as guarantee keyboard
Performance, the bluetooth module of the present embodiment mainly include the Bluetooth communication core being connected respectively with battery power supply mould group f and master control module c
Piece and be connected respectively with Bluetooth communication chip to code switch and to code indicator light；Wherein, as Fig. 6 shows bluetooth module
Design reference figure, by starting, to code switch, simultaneously foundation can establish the state of code indicator light and confirm keyboard and terminal user
Wireless connection relationship between host A.
To improve the stability that keyboard works in the wireless mode, as shown in Figure 7 and Figure 8, the present embodiment to the maximum extent
Battery power supply mould group f include supplying cell fb (it can be according to the actual situation using energy-storage battery or dry cell), be controlled by
Radio communication mold group e simultaneously makees the power supervisor f1 of power supply output management to supplying cell fb, for defeated to power supervisor f1
Regulating and controlling voltage device f2 that voltage out is regulated and controled, it is connected between supplying cell fb and the input terminal of regulating and controlling voltage device f2 with right
Entire battery power supply mould group f makees mode switch f3, the voltage liter for exporting regulating and controlling voltage device f2 of whole on-off control
Pressure is 5.0VDC respectively to master control module c with the synchronous booster f4 that backlight module b is powered and for rising synchronous
The linear voltage regulator f5 that the voltage of depressor f4 output is adjusted to 3.3VDC voltage to be powered to wireless communication module e；Wherein,
Supplying cell fb, power supervisor f1, mode switch f3, regulating and controlling voltage device f2, synchronous booster f4 and linear voltage regulator f5
It is linked in sequence, meanwhile, power supervisor f1 and regulating and controlling voltage device f2 are connected with radio communication mold group e respectively and are controlled by wireless
Communications module e.User can be by steer mode switch f3 come the entire battery power supply mould group f of on or off, in battery as a result,
It powers in the state of mould group f conducting, radio communication mold group e can then pass through the control to power supervisor f1 and regulating and controlling voltage device f2
Entire battery power supply mould group f is set to enter system power supply state, to guarantee that keyboard works under the mode of wireless connection；In
During this, it can then enable battery power supply mould group f defeated the processing of voltage using synchronous booster f4 and linear voltage regulator f5
Different DC voltages is out to meet the power demand of respective mode group；Wherein, preferably, the power management of the present embodiment
Device f1 is mainly made of a LN2054 type power management chip, and synchronous booster f4 is mainly by a ME2188 type synchronous boost DC-
DC conversion chip is constituted, and linear voltage regulator f5 is then mainly made of a WL2805E33-5 Linear voltage stabilizing chip.
On this basis, it further to promote radio communication mold group e to the control effect of battery power supply mould group f, protects simultaneously
The effect of supplying cell fb output voltage is demonstrate,proved, the regulating and controlling voltage device f2 of the present embodiment includes field-effect tube M1 and respectively by two
The first diode group D1 and the second diode group D2 that Schottky diode is formed in parallel；Wherein, first diode group D1 is concatenated
Between the M1 source electrode and drain electrode of field-effect tube, the second diode group D2 is serially connected between the source electrode and grid of field-effect tube M1,
The drain electrode of field-effect tube M1 be connected between power supervisor f1 and supplying cell fb by mode switch f3 and simultaneously with nothing
The battery signal test side of line communications module e is connected, grid is connected with the power input of power supervisor f1 simultaneously, source electrode connects
Ground is simultaneously connected with the power input of synchronous booster f4 simultaneously.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported
Used in other related technical areas, it is also included in the patent protection scope of the utility model.
Claims (9)
1. a kind of bimodulus backlight keyboard, it is characterised in that: it includes the backlight of keyboard mould group, the work contraposition matching distribution of keyboard mould group
Mould group controls backlight module progress light on and off conversion or versicolor master control module, difference according to the on-off signal of keyboard mould group
For making the wired connection mould group and channel radio of transmission and conversion process to the interaction data between master control module and end host
Believe mould group and for providing the battery power supply mould of working power to radio communication mold group, master control module and backlight module respectively
Group；
The battery power supply Mo Zu is electrically connected with radio communication mold group, master control module and backlight module respectively, wired company
Mould group, radio communication mold group, backlight module and keyboard Mo Zu is met to be electrically connected with master control module respectively and be controlled by master control module.
2. a kind of bimodulus backlight keyboard as described in claim 1, it is characterised in that: the keyboard mould group includes several in battle array
The keyboard of column distribution switchs, and the backlight module includes several and switchs monochromatic correspondingly send out in array distribution and with keyboard
Optical diode；
The anode of all single color LEDs in every a line passes through an anode alignment concatenation simultaneously and is integrated, and every
The anode alignment passes through a corresponding first switch triode and is connected and connects with battery power supply mould group and master control module simultaneously
Receive the individual control signal of master control module；
The cathode of all single color LEDs passes through a cathode line concatenation simultaneously and is integrated in each column, every institute
It states cathode line and passes through a corresponding second switch triode and be connected with master control module and receive the independent control of master control module
Signal.
3. a kind of bimodulus backlight keyboard as claimed in claim 2, it is characterised in that: all keyboard switches in every a line
First end simultaneously pass through a bars line concatenation be integrated, every signal line is connected with master control module；It is each
The second end of all keyboard switches in column passes through bars alignment concatenation simultaneously and is integrated, every signal alignment
It is connected with master control module.
4. a kind of bimodulus backlight keyboard as described in claim 1, it is characterised in that: the master control module includes a SH68F89
Type Flash single-chip microcontroller.
5. a kind of bimodulus backlight keyboard as described in claim 1, it is characterised in that: the wired connection mould group includes at least one
A USB connector being electrically connected with master control module.
6. a kind of bimodulus backlight keyboard as described in claim 1, it is characterised in that: the radio communication mold group is a bluetooth mould
Block, the bluetooth module include power respectively with battery Bluetooth communication chip that mould group and master control module are connected and respectively with indigo plant
Tooth communication chip be connected to code switch and to code indicator light.
7. such as a kind of bimodulus backlight keyboard of any of claims 1-6, it is characterised in that: the battery power supply mould group
Including supplying cell, be controlled by radio communication mold group and to supplying cell make power supply output management power supervisor, for pair
Regulating and controlling voltage device that the voltage of power supervisor output is regulated and controled, be connected to supplying cell and regulating and controlling voltage device input terminal it
Between mode switch, boost in voltage for exporting regulating and controlling voltage device be 5.0VDC respectively to master control module and backlight mould
The synchronous booster that group is powered and the voltage for exporting synchronous booster are adjusted to 3.3VDC voltage with to wireless
The linear voltage regulator that communication module is powered；
The supplying cell, power supervisor, mode switch, regulating and controlling voltage device, synchronous booster and linear voltage regulator are made suitable
Sequence connection, and the power supervisor and regulating and controlling voltage device are connected with radio communication mold group respectively and are controlled by radio communication mold
Group.
8. a kind of bimodulus backlight keyboard as claimed in claim 7, it is characterised in that: the regulating and controlling voltage device includes field-effect tube
And the first diode group and the second diode group being formed in parallel respectively by two Schottky diodes, the first diode
Group is serially connected between the source electrode and drain electrode of field-effect tube, the second diode group be serially connected with field-effect tube source electrode and grid it
Between, the drain electrode of the field-effect tube is connected between power supervisor and supplying cell and simultaneously and wirelessly by mode switch
The battery signal test side of communications module is connected, grid is connected with the power input of power supervisor simultaneously, source electrode is grounded simultaneously
It is connected simultaneously with the power input of synchronous booster.
9. a kind of bimodulus backlight keyboard as claimed in claim 7, it is characterised in that: the power supervisor includes a LN2054
Type power management chip, the synchronous booster include a ME2188 type synchronous boost DC-DC conversion chip, the linear voltage stabilization
Device includes WL2805E33-5 Linear voltage stabilizing chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920761060.3U CN209728681U (en) | 2019-05-24 | 2019-05-24 | A kind of bimodulus backlight keyboard |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920761060.3U CN209728681U (en) | 2019-05-24 | 2019-05-24 | A kind of bimodulus backlight keyboard |
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| CN209728681U true CN209728681U (en) | 2019-12-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112788810A (en) * | 2021-03-05 | 2021-05-11 | 王唯 | Input device capable of editing light effect |
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2019
- 2019-05-24 CN CN201920761060.3U patent/CN209728681U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112788810A (en) * | 2021-03-05 | 2021-05-11 | 王唯 | Input device capable of editing light effect |
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