CN207992946U - Chargeable keyboard - Google Patents

Abstract

The utility model discloses a kind of chargeable keyboard, including radio control section, charging part, electricity display unit, and radio control section includes keyboard matrix circuit, control chip, wireless module, reset circuit.Charging part includes power switch, rechargeable battery, charging interface；Electricity display unit includes charging and discharging circuit voltage detection module, voltage comparison module, governor circuit, electricity display screen.The keyboard matrix circuit, wireless module, reset circuit, power switch are electrically connected with control chip respectively.The utility model is chargeable by being arranged, so that keyboard has more preferable use, usage time more long.

Description

Chargeable keyboard

Technical field

The utility model is related to a kind of novel keyboard, Wireless Keyboard that is specifically a kind of chargeable and showing electricity.

Background technology

Keyboard is one of indispensable hardware of computer, and computer user is helped to input instruction and data.

But current keyboard is mostly wired keyboard, is unfavorable for elongating keyboard at a distance from computer, Wireless Keyboard can be with Solve the problems, such as this still, Wireless Keyboard can only be charged by battery, often be replaced, cumbersome.

Utility model content

The utility model according to existing keyboard there are the shortcomings that, devise a kind of chargeable Wireless Keyboard.

What the technical solution of the utility model was realized in：

A kind of chargeable keyboard, including radio control section, charging part, electricity display unit, radio control section include keyboard square Battle array circuit, control chip, wireless module, reset circuit；

Charging part includes power switch, rechargeable battery, charging interface；

Electricity display unit includes that charging and discharging circuit voltage detection module, voltage comparison module, governor circuit, electricity are shown Screen；

The keyboard matrix circuit, wireless module, reset circuit, power switch are electrically connected with control chip respectively；

The power switch is electrically connected with rechargeable battery, and rechargeable battery is electrically connected with charging interface；

The charging and discharging circuit voltage detection module is electrically connected with voltage comparison module；

The voltage comparison module is electrically connected by governor circuit and electricity display screen；

The keyboard matrix circuit is universal keyboard matrix circuit together, is responsible for signal caused by processing keyboard simultaneously It is transferred to control chip；

The wireless module is bluetooth module, by the control chip controls；

The reset circuit can generate equipment identification number and be supplied to control chip, be used for establishing with external equipment wireless Transmission relationship；

Chip provides power supply to the rechargeable battery in order to control, and is controlled by power switch；

Further, the control chip is the keyboard control chip or microcontroller for supporting Wireless Keyboard function, is responsible for Wireless module and external communication are controlled, power supply, supply wireless module, reset circuit, keyboard matrix circuit etc. are managed；

Further, the chargeable keyboard further includes night light, and night light includes that light sensing is opened It closes, LED light, light sensing switch is set to keyboard upper surface, and LED light is set to keyboard surrounding, and the rechargeable battery passes through Light sensing is switched to be electrically connected with LED light, when environment darkness reaches certain value, is touched optical sensor switch and is opened, make charging Battery is powered for LED light；

Further, the control chip is arranged with an indicator light, indicator light is additionally provided in keyboard upper surface, indicator light The electrified light emitting when power switch is closed；

Further, the charging interface is rechargeable battery interface；

Further, the charging interface is USB interface；

Further, the rechargeable battery is lithium battery；

Further, it is identical as charged battery voltage that comparison voltage is preset in the voltage comparison module；

Further, the electricity display screen is embedded in keyboard upper surface；

Further, the electricity display screen surface has one layer of tempered glass film；

Advantageous effect is that the utility model can be charged by charging interface for rechargeable battery, and can show electricity, be led to The power supply for crossing switch control Wireless Keyboard, wireless again without often replacing the effect of battery to realize, LED light also can be dark It is illuminated for surface of keyboard under environment.

Description of the drawings

Fig. 1 is the utility model circuit theory schematic diagram, including keyboard matrix circuit 1, control chip 12, wireless module 13, reset circuit 14, indicator light 15, power switch 21, rechargeable battery 22, charging interface 23, charging and discharging circuit voltage detecting mould Block 31, voltage comparison module 32, governor circuit 33, electricity display screen 34, light sensing switch 41, LED light 42.

Fig. 2 is the utility model external form figure, including indicator light 15, charging interface 23, electricity display screen 34, light sensing switch 41, LED light 42.

Specific implementation mode

As shown in fig.1, a kind of chargeable keyboard, including radio control section, charging part, electricity display unit,

Radio control section includes keyboard matrix circuit 11, control chip 12, wireless module 13, reset circuit 14；

Charging part includes power switch 21, rechargeable battery 22, charging interface 23；

Electricity display unit includes charging and discharging circuit voltage detection module 31, voltage comparison module 32, governor circuit 33, electricity Measure display screen 34；

The keyboard matrix circuit 11, wireless module 13, reset circuit 14, power switch 21 respectively with control chip 12 It is electrically connected；

The power switch 21 is electrically connected with rechargeable battery 22, and rechargeable battery 22 is electrically connected with charging interface 23；

The charging and discharging circuit voltage detection module 31 is electrically connected with voltage comparison module 32；

The voltage comparison module 32 is electrically connected by governor circuit 33 and electricity display screen 34；

The keyboard matrix circuit 11 is universal keyboard matrix circuit together, is responsible for signal caused by processing keyboard And it is transferred to control chip 12, control the external Communication Control of entire keyboard；

The wireless module 13 is bluetooth module, is controlled by the control chip 12；

The reset circuit 14 is to establish channel radio messenger use, is identified for equipment, for bluetooth module, reset circuit 14 generate equipment identification number when bluetooth module is communicated with external bluetooth equipment (host computer etc.), and by controlling chip 12 It is supplied to bluetooth module；

Chip 12 provides power supply to the rechargeable battery 22 in order to control, and is controlled by power switch 21, rechargeable battery 22 are connect with external power supply by charging socket 23 and charge；

Further, the control chip 12 is the keyboard control chip or microcontroller for supporting Wireless Keyboard function, is born Duty control wireless module 13 and external communication manage power supply, supply wireless module 13, reset circuit 14, keyboard matrix circuit 11 etc.；

Further, further include night light, night light includes light sensing switch 41, LED light 42, and light passes Sense switch 41 is set to keyboard upper surface, and LED lamps 42 are set to keyboard surrounding, and the rechargeable battery 22 passes through light sensing Switch 41 is electrically connected with LED light 42；

Further, the control chip 12 is arranged with an indicator light 15, indicator light 15 is additionally provided in keyboard upper table Face, the electrified light emitting when power switch 21 is closed of indicator light 15；

Further, the charging interface 23 is rechargeable battery interface；

Further, the charging interface 23 is USB interface；

Further, the rechargeable battery 22 is lithium battery；

Further, it is identical as 22 voltage of rechargeable battery that comparison voltage is preset in the voltage comparison module 32；

Further, the electricity display screen 34 is embedded in keyboard upper surface；

Further, there is one layer of tempered glass film on 34 surface of electricity display screen；

Certainly, above example is only the preferred embodiment of the utility model, therefore the utility model does not make rising limit System, the embodiment of other various the utility model are all answered in the utility model claims institute protection domain.

Claims (10)

1. a kind of chargeable keyboard, it is characterised in that：Including radio control section, charging part, electricity display unit,

Radio control section includes keyboard matrix circuit (11), control chip (12), wireless module (13), reset circuit (14)；

Charging part includes power switch (21), rechargeable battery (22), charging interface (23)；Electricity display unit includes charging and discharging circuit Voltage detection module (31), voltage comparison module (32), governor circuit (33), electricity display screen (34)；

The keyboard matrix circuit (11), wireless module (13), reset circuit (14), power switch (21) respectively with control chip (12) it is electrically connected；

The power switch (21) is electrically connected with rechargeable battery (22), and rechargeable battery (22) electrically connects with charging interface (23) It connects；

The charging and discharging circuit voltage detection module (31) is electrically connected with voltage comparison module (32)；

The voltage comparison module (32) is electrically connected by governor circuit (33) and electricity display screen (34).

2. chargeable keyboard according to claim 1, it is characterised in that：The control chip (12) is a support cordless key The microcontroller of disk function.

3. chargeable keyboard according to claim 1, it is characterised in that：Further include night light, night illumination dress It sets including light sensing switch (41), LED light (42), light sensing switch (41) is set to keyboard upper surface, and LED light (42) is set to Keyboard surrounding, the rechargeable battery (22) are electrically connected by light sensing switch (41) and LED light (42).

4. chargeable keyboard according to claim 1, it is characterised in that：The control chip (12) and it is additionally provided with a finger Show that lamp (15), indicator light (15) are arranged in keyboard upper surface, indicator light (15) electrified light emitting when power switch (21) are closed.

5. chargeable keyboard according to claim 1, it is characterised in that：The charging interface (23) connects for rechargeable battery Mouthful.

6. chargeable keyboard according to claim 1, it is characterised in that：The charging interface (23) is USB interface.

7. chargeable keyboard according to claim 1, it is characterised in that：The rechargeable battery (22) is lithium battery.

8. chargeable keyboard according to claim 1, it is characterised in that：It presets and compares in the voltage comparison module (32) Voltage is identical as rechargeable battery (22) voltage.

9. chargeable keyboard according to claim 1, it is characterised in that：The electricity display screen (34) is embedded in keyboard upper table Face.

10. chargeable keyboard according to claim 1, it is characterised in that：Electricity display screen (34) surface has one layer Tempered glass film.