CN108919975A - Keyboard with wireless charging function - Google Patents
Keyboard with wireless charging function Download PDFInfo
- Publication number
- CN108919975A CN108919975A CN201810666248.XA CN201810666248A CN108919975A CN 108919975 A CN108919975 A CN 108919975A CN 201810666248 A CN201810666248 A CN 201810666248A CN 108919975 A CN108919975 A CN 108919975A
- Authority
- CN
- China
- Prior art keywords
- keyboard
- controllable switch
- temperature
- battery
- magnetic induction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
- G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
- G06F3/0231—Cordless keyboards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Sources (AREA)
Abstract
The present invention provides a kind of keyboard with wireless charging function, belongs to field of computer technology.The keyboard includes：Keyboard body, including：Battery for powering to keyboard body；First magnetic induction loop；For showing the display area of the remaining capacity of battery；Voltage sensor；Processor is used for：Electric power is obtained by battery；Voltage is obtained by voltage sensor；The remaining capacity of calculating accumulator；Remaining capacity is shown by display area；Keyboard pad, including：It is set to the upper surface of Keyboard pad, the second magnetic induction loop for matching with the first charge coil；Power interface, for external alternating current to power to the second magnetic induction loop；The multiple of the upper surface of Keyboard pad are set to start switch；Temperature sensor, be arranged near the second magnetic induction loop, for detect the temperature near the second magnetic induction loop and send indicate temperature temperature detection signal；Alarm device；Controller is used for：In the case where judging that temperature is greater than temperature threshold, start alarm device.
Description
Technical field
The present invention relates to field of computer technology, more particularly to a kind of keyboard with wireless charging function.
Background technique
Computer is one of the most advanced inventions of science and technology in the 20th century, generates to the production activity and social activities of the mankind
Extremely important influence, and develop rapidly with strong vitality.Its application field expands from initial military research application
The every field for opening up society, has formd huge computer industry, has driven the technological progress of global range, thus
Deep social change is caused, computer has spread general school, enterprises and institutions, into common people family, becomes information
Essential tool in society.It is one of the important signs that mankind entered the information age.With the development of internet, it calculates
Machine and other technologies start again the revolution of information technology, and according to the definition of alliance of Chinese Internet of Things school-run enterprise, Internet of Things is to work as
Under nearly all technology and computer, Internet technology combination, realize that environment and status information are real between object and object
When it is shared and intelligentized collect, transmitting, processing.
Computer application is more and more common in China, and after reform and opening-up, the quantity of computer user of China is constantly climbed
It rises, application level is continuously improved, and the application in the especially fields such as internet, communication, multimedia achieves good achievement.1996
Year, computer user's quantity rose to 67,100,000 from original 6,300,000, and Net-connected computer number of units is by original to 2009
2.9 ten thousand rise to 59,400,000.Internet user has reached 3.16 hundred million, and wireless network has 6.7 hundred million mobile subscribers, wherein hand
Machine Internet user is first global up to 1.17 hundred million.
Keyboard of today includes wireless and wired two kinds.Wired keyboard is powered by the USB interface of computer, Wireless Keyboard
Mainly rely on self-contained storage battery power supply.But when accumulator electric-quantity exhausts, continue work to the Wireless Keyboard
Make, it is necessary to it is external it is wired charge to the battery, this is just not different with traditional wired keyboard substantially, but also
Such Wireless Keyboard is difficult to attract the sight of consumer, to influence the marketing of Wireless Keyboard.
Summary of the invention
The purpose of embodiment of the present invention is to provide a kind of keyboard with wireless charging function, which can solve tradition
Wireless Keyboard charging need external wired problem.
To achieve the goals above, embodiment of the present invention provides a kind of keyboard with wireless charging function, the keyboard
May include：
Keyboard body, including：
Battery for powering to the keyboard body；
It is set to keyboard body bottom, the first magnetic induction loop for charging to the battery；
For showing the display area of the remaining capacity of the battery；
Voltage sensor, the voltage of the positive and negative anodes for detecting the battery；
Processor is connect with the voltage sensor, the display area, the battery respectively,
For：
Electric power is obtained by the battery；
The voltage is obtained by the voltage sensor；
The remaining capacity of the battery is calculated according to the voltage；
The remaining capacity is shown by the display area；
Keyboard pad, including：
The upper surface that is set to the Keyboard pad, the second magnetic induction loop for matching with first charge coil；
Power interface, for external alternating current to power to second magnetic induction loop；
The multiple of the upper surface of the Keyboard pad are set to start switch；
Temperature sensor is arranged near second magnetic induction loop, for detecting second magnetic
Feel the temperature near coil and sends the temperature detection signal for indicating the temperature；
Alarm device；
Controller connect with the temperature sensor, alarm device, is used for：
The temperature detection signal is received to obtain the temperature；
Judge whether the temperature is greater than preset temperature threshold；
In the case where judging that the temperature is greater than the temperature threshold, start the alarm device with logical
Know the user of the keyboard.
Optionally, it is the multiple start switch including：Concatenated first controllable switch, the second controllable switch, third are controllable
Switch and the 4th controllable switch；
The power interface includes DC interface and exchange interface；
The keyboard further includes electromagnetic relay；
The anode of the DC interface is controllable by first controllable switch, second controllable switch and the third
Switch is connect with one end of the 4th controllable switch, the control of the other end and the electromagnetic relay of the 4th controllable switch
The one end at end processed connects, and the other end of the control terminal is connect with the cathode of the DC interface, the electromagnetic relay by
The one end at control end is connect by second magnetic induction loop with one end of the exchange interface, the controlled end of the electromagnetic relay
The other end with it is described exchange interface the other end connect.
Optionally, first controllable switch, second controllable switch, the third controllable switch and the described 4th can
Control switch is snap switch, for being pushed by the keyboard to close in the case where the keyboard is placed on the Keyboard pad
It closes.
Optionally, protective resistance is serially connected between the DC interface and the first controllable switch.
Optionally, the DC interface includes the first voltage reduction module, rectification module and filter module；
One end of first voltage reduction module is used for external alternating current, the other end of first voltage reduction module and the rectification
One end of module connects, and the other end of the rectification module is connect with one end of the filter module, the filter module it is another
One end is for exporting direct current.
Optionally, the exchange interface includes the second voltage reduction module, and one end of second voltage reduction module is used for external city
Electricity, the other end of second voltage reduction module is for exporting alternating current.
Optionally, the display area includes display screen.
Optionally, the display screen includes liquid crystal display.
Optionally, the display area includes multiple indicator lights, and the processor is further used for according to the remaining electricity
Amount accounts for the percentage of the total electricity of the battery to light at least one indicator light in the multiple indicator light.
Through the above technical solutions, the keyboard provided by the invention with wireless charging function on keyboard body by being arranged
The mode of wireless charging solves the problems, such as that traditional Wireless Keyboard needs to charge repeatedly, improves the market competition of Wireless Keyboard
Power.
The other feature and advantage of embodiment of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is to further understand for providing to embodiment of the present invention, and constitute part of specification, with
Following specific embodiment is used to explain the present invention embodiment together, but does not constitute the limit to embodiment of the present invention
System.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the keyboard with wireless charging function according to embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the keyboard with wireless charging function according to embodiment of the present invention；
Fig. 3 is the annexation figure started switch according to embodiment of the present invention；
Fig. 4 is the structural block diagram of DC interface according to embodiment of the present invention；
Fig. 5 is the structural block diagram of exchange interface according to embodiment of the present invention；And
Fig. 6 is the annexation figure of controller according to embodiment of the present invention.
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to embodiment of the present invention.It should be understood that
Embodiment that the specific embodiments described herein are merely illustrative of the invention is not intended to restrict the invention implementation
Mode.
It is the structural representation of the keyboard with wireless charging function according to embodiment of the present invention as shown in Figure 1
Figure.In Fig. 1, which may include keyboard body 10 and Keyboard pad 20.
As depicted in figs. 1 and 2, keyboard body 10 includes battery U0, the first magnetic induction loop L1, display area 13, voltage
Sensor 11 and processor 12.
Battery U0 can be used for powering to keyboard body 10.Battery U0 can be such as lithium battery.First magnetic
Sense coil L1 can be set in 10 bottom of keyboard body, for charging to battery U0.
Display area 13 is displayed for the remaining capacity of battery U0.The display area 13 may include display screen or
Indicator light, such as processor 12 show that the percentage of the remaining electricity of battery U0 or processor 12 can by the display screen
With the quantity of lighting indicator light according to the control of the percentage of the remaining capacity, (such as remaining capacity is more, the indicator light being lit
Quantity it is more).
Voltage sensor 11 can be used for detecting the voltage of the positive and negative anodes of battery U0.Processor 12 can respectively with voltage
Sensor 11, display area 13, battery U0 connection, for obtaining electric power by battery U0 so that itself works；Pass through
Voltage sensor 11 obtains the voltage between the positive and negative anodes of battery U0；According to the voltage calculating accumulator between the positive and negative anodes
The remaining capacity of U0；Remaining capacity is shown by display area 13.
Keyboard pad 20 may include the second magnetic induction loop L2, power interface U and multiple start switch K.
The upper surface of Keyboard pad 20 is arranged in second magnetic induction loop L2, for matching with the first charge coil L1.Electricity
Source interface U can be used for external alternating current to power to the second magnetic induction loop L2.Multiple K that start switch can be set in Keyboard pad 20
Upper surface.
In an embodiment of the invention, multiple K that starts switch may include：Concatenated first controllable switch
K1, the second controllable switch K2, third controllable switch K3 and the 4th controllable switch K4.As shown in figure 3, power interface may include straight
Stream interface U1 with exchange interface U2.Keyboard 20 can also include electromagnetic relay K0；
The anode of DC interface U1 passes through the first controllable switch K1, the second controllable switch K2 and third controllable switch K3 and the
One end of four controllable switch K4 connects, the other end of the 4th controllable switch K4 and the control terminal (magnetic induction loop of electromagnetic relay K0
Terminals) one end connection, the other end of control terminal connect with the cathode of DC interface U1, the controlled end of electromagnetic relay K0
The one end of (terminals of snap switch) is connect by the second magnetic induction loop L2 with the one end for exchanging interface, electromagnetic relay K0's
The other end of controlled end is connect with the other end of exchange interface U2.When keyboard 10 is placed on Keyboard pad 20, the matter of keyboard 10
Amount so that the first controllable switch K1, the second controllable switch K2 and third controllable switch K3 and the 4th controllable switch K4 be pressed down thus
Closure, the circuit where conducting direct current interface U1, so that the magnetic induction loop of electromagnetic relay K0 is powered, so that the electricity
The snap switch of magnetic relay K0 is closed, and then the circuit where exchange interface U2 is connected.Finally make the second magnetic induction loop L2
It is powered and with the first magnetic induction loop L1 mutual induction to generate induced current, to charge to battery U0.At of the invention one
In example, since the electric current of the first magnetic induction loop L1 output is alternating current, then, battery U0 and the first magnetic induction loop L1 it
Between may further include inverter (being not shown in Fig. 3), the inverter can be used for by the first magnetic induction loop L1 export
AC conversion is direct current in order to battery U0 charging.In addition, being taken for the ease of keyboard 10 from Keyboard pad 20
The moment risen, the first controllable switch K1, the second controllable switch K2 and third controllable switch K3 and the 4th controllable switch K4 being capable of bullets
It returns with cut-off loop, first controllable switch K1, the second controllable switch K2 and third controllable switch K3 and the 4th controllable switch K4
It can be snap switch.
In an embodiment of the invention, in order to enable short trouble does not occur for the circuit where DC interface U1,
Protective resistance R1 can be concatenated between DC interface U1 and the first controllable switch K1.
In an embodiment of the invention, as shown in figure 4, DC interface U1 may include the first voltage reduction module U11,
Rectification module U12 and filter module U13.One end of first voltage reduction module U11 is used for external alternating current, the first voltage reduction module U11's
The other end is connect with one end of rectification module U12, and the other end of rectification module U12 is connect with one end of filter module U13, filtering
The other end of module U13 is for exporting direct current.
Optionally, as shown in figure 5, exchange interface U2 includes the second voltage reduction module U21, one end of the second voltage reduction module U21
For external alternating current, the other end of the second voltage reduction module U21 is for exporting alternating current.
In an embodiment of the invention, as shown in fig. 6, the Keyboard pad 20 may further include：Temperature sensing
Device 21, controller 22 and alarm device 23.Temperature sensor 21 can be set near the second magnetic induction loop, for detecting the second magnetic strength
Temperature near coil L2 simultaneously sends the temperature detection signal for indicating the temperature.Controller 22 respectively with temperature sensor 21, alert
It reports device 23 to connect, the temperature near second magnetic induction loop L2 is obtained for receiving temperature detection signal；Judging the temperature is
It is no to be greater than preset temperature threshold (in view of the material of Keyboard pad 20 is generally fibrous material, so the temperature threshold be
50 degrees Celsius)；In the case where judging that the temperature is greater than temperature threshold, starts alarm device to notify user, can keep away in this way
Exempt from the second magnetic induction loop L2 charging of the Keyboard pad 20, since accident occurs caused by line fault.
Controller 22 and processor 12 all can be general processor, application specific processor, conventional processors, at digital signal
It manages device (DSP), multi-microprocessor, one or more microprocessors associated with DSP core, controller, microcontroller, special
With integrated circuit (ASIC), field programmable gate array (FPGA) circuit, any other type integrated circuit (IC), state machine
Deng.
Through the above technical solutions, the keyboard provided by the invention with wireless charging function on keyboard body by being arranged
The mode of wireless charging solves the problems, such as that traditional Wireless Keyboard needs to charge repeatedly, improves the market competition of Wireless Keyboard
Power.
The optional embodiment of example of the present invention is described in detail in conjunction with attached drawing above, still, embodiment of the present invention is not
The detail being limited in above embodiment can be to of the invention real in the range of the technology design of embodiment of the present invention
The technical solution for applying mode carries out a variety of simple variants, these simple variants belong to the protection scope of embodiment of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, embodiment of the present invention
To various combinations of possible ways, no further explanation will be given.
It will be appreciated by those skilled in the art that realizing that all or part of the steps in above embodiment method is can to lead to
Program is crossed to instruct relevant hardware and complete, which is stored in a storage medium, including some instructions use so that
One (can be single-chip microcontroller, chip etc.) or processor (processor) execute each embodiment the method for the application
All or part of the steps.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.
In addition, any combination can also be carried out between a variety of different embodiments of embodiment of the present invention, as long as its
Without prejudice to the thought of embodiment of the present invention, embodiment of the present invention disclosure of that equally should be considered as.
Claims (9)
1. a kind of keyboard with wireless charging function, which is characterized in that the keyboard includes：
Keyboard body, including：
Battery for powering to the keyboard body；
It is set to keyboard body bottom, the first magnetic induction loop for charging to the battery；
For showing the display area of the remaining capacity of the battery；
Voltage sensor, the voltage of the positive and negative anodes for detecting the battery；
Processor connect with the voltage sensor, the display area, the battery respectively, is used for：
Electric power is obtained by the battery；
The voltage is obtained by the voltage sensor；
The remaining capacity of the battery is calculated according to the voltage；
The remaining capacity is shown by the display area；
Keyboard pad, including：
The upper surface that is set to the Keyboard pad, the second magnetic induction loop for matching with first charge coil；
Power interface, for external alternating current to power to second magnetic induction loop；
The multiple of the upper surface of the Keyboard pad are set to start switch；
Temperature sensor is arranged near second magnetic induction loop, for detecting the temperature near second magnetic induction loop
And send the temperature detection signal for indicating the temperature；
Alarm device；
Controller connect with the temperature sensor, alarm device, is used for：
The temperature detection signal is received to obtain the temperature；
Judge whether the temperature is greater than preset temperature threshold；
In the case where judging that the temperature is greater than the temperature threshold, start the alarm device to notify the use of the keyboard
Person.
2. keyboard according to claim 1, which is characterized in that it is the multiple start switch including：Concatenated first is controllable
Switch, the second controllable switch, third controllable switch and the 4th controllable switch；
The power interface includes DC interface and exchange interface；
The keyboard further includes electromagnetic relay；
The anode of the DC interface passes through first controllable switch, second controllable switch and the third controllable switch
It is connect with one end of the 4th controllable switch, the other end of the 4th controllable switch and the control terminal of the electromagnetic relay
One end connection, the other end of the control terminal connect with the cathode of the DC interface, the controlled end of the electromagnetic relay
One end by second magnetic induction loop with it is described exchange interface one end connect, the controlled end of the electromagnetic relay it is another
One end is connect with the other end of the exchange interface.
3. keyboard according to claim 2, which is characterized in that first controllable switch, second controllable switch, institute
Stating third controllable switch and the 4th controllable switch is snap switch, for being placed on the Keyboard pad in the keyboard
In the case of, it is pushed by the keyboard to be closed.
4. keyboard according to claim 2, which is characterized in that be serially connected between the DC interface and the first controllable switch
Protective resistance.
5. keyboard according to claim 2, which is characterized in that the DC interface includes the first voltage reduction module, rectification mould
Block and filter module；
One end of first voltage reduction module is used for external alternating current, the other end and the rectification module of first voltage reduction module
One end connection, the other end of the rectification module connect with one end of the filter module, the other end of the filter module
For exporting direct current.
6. keyboard according to claim 2, which is characterized in that the exchange interface includes the second voltage reduction module, and described the
One end of two voltage reduction modules is used for external alternating current, and the other end of second voltage reduction module is for exporting alternating current.
7. keyboard according to claim 1, which is characterized in that the display area includes display screen.
8. keyboard according to claim 7, which is characterized in that the display screen includes liquid crystal display.
9. keyboard according to claim 1, which is characterized in that the display area includes multiple indicator lights, the processing
Device is further used for the percentage for accounting for the total electricity of the battery according to the residual electric quantity to light the multiple indicator light
In at least one indicator light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810666248.XA CN108919975A (en) | 2018-06-22 | 2018-06-22 | Keyboard with wireless charging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810666248.XA CN108919975A (en) | 2018-06-22 | 2018-06-22 | Keyboard with wireless charging function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108919975A true CN108919975A (en) | 2018-11-30 |
Family
ID=64421774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810666248.XA Withdrawn CN108919975A (en) | 2018-06-22 | 2018-06-22 | Keyboard with wireless charging function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108919975A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI774058B (en) * | 2020-09-11 | 2022-08-11 | 寶德科技股份有限公司 | Keyboard device and peripheral devices |
-
2018
- 2018-06-22 CN CN201810666248.XA patent/CN108919975A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI774058B (en) * | 2020-09-11 | 2022-08-11 | 寶德科技股份有限公司 | Keyboard device and peripheral devices |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106450536A (en) | Quick charging method for lithium ion battery | |
| CN103364619B (en) | The voltage detection method of terminal device and terminal device | |
| CN108919975A (en) | Keyboard with wireless charging function | |
| CN108919966A (en) | Keyboard with wireless charging function | |
| CN108829259A (en) | Keyboard with wireless charging function | |
| CN108897428A (en) | Keyboard with wireless charging function | |
| CN102636757A (en) | Battery capacity management method | |
| CN206470376U (en) | Batteries charge-discharge test instrument | |
| CN104682518A (en) | Device and method for charging over-discharged smart lithium batteries | |
| CN108919964A (en) | Keyboard with wireless charging function | |
| CN204515623U (en) | A kind of computing machine of improvement | |
| CN108919965A (en) | Keyboard with wireless charging function | |
| CN202471837U (en) | A battery internal resistance measuring circuit | |
| CN108595016A (en) | Keyboard with wireless charging function | |
| CN206595737U (en) | A kind of lithium battery charging system | |
| CN205901394U (en) | Battery charging unit , charging station | |
| CN107576917A (en) | A kind of universal single lithium battery external short circuit test method | |
| CN204903730U (en) | Power fills discharge capacity test circuit | |
| CN207263896U (en) | A kind of universal single lithium battery external short circuit experimental rig | |
| CN108446623A (en) | Face identification device for computer | |
| CN208571651U (en) | It is a kind of can be with the energy-storage system of new energy car battery system compatible | |
| CN102638072B (en) | Intelligent battery management method | |
| CN206557962U (en) | A kind of household electrical appliance failure indicating circuit | |
| CN208112281U (en) | A kind of device for eliminating lithium battery UPS charging alarm | |
| CN206975185U (en) | A kind of electric quantity detecting circuit for button-shaped lithium ion battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181130 |