CN210005959U - Notebook computer capable of automatically switching on and off keyboard light source - Google Patents
Notebook computer capable of automatically switching on and off keyboard light source Download PDFInfo
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- CN210005959U CN210005959U CN201920857965.0U CN201920857965U CN210005959U CN 210005959 U CN210005959 U CN 210005959U CN 201920857965 U CN201920857965 U CN 201920857965U CN 210005959 U CN210005959 U CN 210005959U
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- notebook computer
- keyboard
- light source
- circuit board
- automatically switching
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Abstract
The utility model relates to a but notebook computer of automatic switch keyboard light source, notebook computer includes: notebook computer main part and with notebook computer main part swing joint's display screen, still include: the notebook computer comprises a backlight keyboard arranged on the front side of a notebook computer main body, a detection unit and a control unit connected with the backlight keyboard and the detection unit; the backlight keyboard comprises a plurality of keys, a circuit board positioned below the keys and a plurality of light sources connected with the circuit board; the control unit is connected with the circuit board; the plurality of keys are used for electrically connecting the circuit on the circuit board and outputting pressing signals when sensing the key operation of a user; the control unit receives the pressing signal and the detection signal and outputs a control signal to the circuit board according to the pressing signal and the detection signal so as to turn on the plurality of light sources. The notebook computer can automatically turn on the light source of the backlight keyboard when needed and turn off the light source when not needed, is convenient to use and saves energy.
Description
Technical Field
The utility model relates to a notebook computer's technical field, more specifically say, but relate to kinds of notebook computer of automatic switch keyboard light source.
Background
With the popularization of notebook computers, the notebook computers also become parts in life, in the process of using the notebook computers, input through a keyboard is necessary, but in the dark environment, the use experience is seriously influenced because the physical keyboard is not clear when input is carried out.
In the existing products, the backlight keyboard can solve the problem, however, although the backlight keyboard can solve the problem that the input is influenced by the fact that the keyboard is not clear, the problem still exists that when the keyboard needs to be used, the backlight keyboard function is not opened, and the opening of the backlight keyboard function in a dark environment is pieces of relative trouble, and in addition, the backlight keyboard is opened directly, so that the power consumption of a notebook computer is influenced, the power consumption of the notebook computer is increased, and the requirements of energy conservation and environmental protection are not met.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to prior art's above-mentioned defect, but provide kinds of notebook computer of automatic switch keyboard light source.
The technical scheme adopted by the utility model for solving the technical problems is that notebook computers capable of automatically switching on and off keyboard light sources are constructed, the notebook computer comprises a notebook computer main body, a display screen movably connected with the notebook computer main body, a backlight keyboard arranged on the front side of the notebook computer main body, a detection unit and a control unit connected with the backlight keyboard and the detection unit;
the backlight keyboard comprises a plurality of keys, a circuit board positioned below the keys and a plurality of light sources connected with the circuit board; the control unit is connected with the circuit board;
the keys are used for electrically connecting the circuit on the circuit board and outputting pressing signals when sensing the key operation of a user; the control unit receives the pressing signal and the detection signal and outputs a control signal to a circuit board according to the pressing signal and the detection signal so as to turn on the plurality of light sources.
In embodiments, the detecting unit is disposed on the side of the display screen facing the front side of the notebook computer main body and is used for generating a detecting signal.
In embodiments, the notebook computer further comprises a camera device arranged on the surface of the display screen facing the front surface of the notebook computer host and used for collecting image information in front of the display screen.
In embodiments, the detection unit comprises an infrared detector;
the infrared detector is arranged in the camera device.
In embodiments, the circuit board is connected to the control unit via a USB bus.
In embodiments, the probing unit is connected to the control unit via a USB bus.
In embodiments, the backlight keyboard further comprises a light guide plate, a light shielding sheet, and a spring sheet;
each button includes the top and with the suppression portion that the top links to each other, the shell fragment includes the pressurized portion that corresponds the setting with suppression portion, the light guide plate is close to side of button is equipped with light-emitting portion, the anti-dazzling screen sets up in side that light-emitting portion is located to with light-emitting portion need go out the part of body light sheltering from.
In embodiments, the inner surface of the pressed part is provided with a pressing contact, and the circuit board is provided with a conductive contact corresponding to the position of the contact;
when the pressed part is pressed, the pressing contact is abutted to the conductive contact, so that the circuit on the circuit board is electrically connected.
In , the keyboard further comprises a plurality of keycaps which are arranged corresponding to the plurality of keys, and the keycaps are covered on the tops of the keys.
In embodiments, the light source is a light emitting diode.
Implement the utility model discloses a but notebook computer of automatic switch keyboard light source has following beneficial effect: the notebook computer includes: notebook computer main part and with notebook computer main part swing joint's display screen, still include: the notebook computer comprises a backlight keyboard arranged on the front side of a notebook computer main body, a detection unit and a control unit connected with the backlight keyboard and the detection unit; the backlight keyboard comprises a plurality of keys, a circuit board positioned below the keys and a plurality of light sources connected with the circuit board; the control unit is connected with the circuit board; the plurality of keys are used for electrically connecting the circuit on the circuit board and outputting pressing signals when sensing the key operation of a user; the control unit receives the pressing signal and the detection signal and outputs a control signal to the circuit board according to the pressing signal and the detection signal so as to turn on the plurality of light sources. The notebook computer can automatically turn on the light source of the backlight keyboard when needed and turn off the light source when not needed, is convenient to use and saves energy.
Drawings
The present invention will be described with reference to the accompanying drawings and examples in which steps are performed:
FIG. 1 is a logic block diagram of a notebook computer capable of automatically turning on and off a keyboard light source according to the present invention;
FIG. 2 is a schematic structural diagram of a notebook computer capable of automatically turning on and off a keyboard light source according to the present invention;
fig. 3 is a schematic structural diagram of the backlight keyboard of the present invention.
Detailed Description
For a clearer understanding of the technical features, objects, and effects of the present invention, reference will now be made to the accompanying drawings.
Referring to fig. 1, a logic block diagram of a notebook computer capable of automatically turning on and off a keyboard light source according to an embodiment of the present invention is shown. The notebook computer can automatically trigger the light source for opening the keyboard of the notebook computer and can also automatically trigger the light source for closing the keyboard of the notebook computer without submitting the light source for manually opening or closing the keyboard of the notebook computer, thereby bringing convenience to the use and operation of a user, avoiding the light source of the keyboard from being in a long-term opening state and effectively saving energy consumption.
Specifically, as shown in fig. 1 and 2, the notebook computer capable of automatically turning on and off the keyboard light source includes: notebook computer main part 10 reaches display screen 20 with notebook computer main part 10 swing joint, its characterized in that still includes: a backlight keyboard 100 disposed on the front surface of the notebook computer main body 10, a detection unit 200, and a control unit 300 connected to the backlight keyboard 100 and the detection unit 200.
The backlight keyboard 100 includes a plurality of keys 120, a circuit board 150 located below the keys 120, and a plurality of light sources connected to the circuit board 150; the control unit 300 is connected to the circuit board 150. The plurality of keys 120 are used for electrically connecting the circuits on the circuit board 150 and outputting pressing signals when sensing the operation of the keys 120 of the user; the control unit 300 receives the pressing signal and the detection signal and outputs a control signal to the circuit board 150 according to the pressing signal and the detection signal to turn on the plurality of light sources.
Specifically, when the user operates the backlight keyboard 100, for example, when any or more of the plurality of keys 120 are pressed, the circuit on the circuit board 150 under the keys 120 is electrically connected and transmits a corresponding pressing signal to the control unit 300, and after the control unit 300 receives the pressing signal, and simultaneously receives the detection signal transmitted by the detection unit 200, the control unit outputs a corresponding control signal to the circuit board 150 to turn on the plurality of light sources through the circuit board 150, thereby achieving the purpose of automatically turning on the light sources of the backlight keyboard 100.
, the notebook computer can also automatically turn off the light source of the backlight keyboard 100. specifically, when the control unit 300 receives only or neither of the pressing information and the detecting signal, the control unit 300 will not output a control signal to the circuit board 150 to turn on the light source, and after the light source of the backlight keyboard 100 is turned on, the control unit 300 will continue to monitor, if the pressing signal is not received within the preset time, the control unit 300 considers that the backlight keyboard 100 is not input, and at this time, the control unit 300 will output a turn-off signal to the circuit board 150 to turn off the light source of the backlight keyboard 100, thereby achieving the purpose of automatically turning off the light source of the backlight keyboard 100.
In , the preset time may be set to 5 seconds, and the light source of the backlight keyboard 100 is controlled by automatically monitoring whether the keyboard has input, so that the light source of the backlight keyboard 100 is effectively prevented from being in a normally on state, and the energy consumption is effectively reduced.
in some embodiments , the detecting unit 200 is disposed on the surface of the display screen 20 facing the front surface of the notebook computer main body 10 and is used for generating a detecting signal, wherein the detecting unit 200 may be an infrared detector for detecting a human body signal in front of the display screen 20, and when a human body is in front of the display screen 20 (about 1 m detecting distance ), the infrared detector generates a corresponding detecting signal and transmits the signal to the control unit 300.
further, the notebook computer may further include a camera device disposed on a surface of the display screen 20 facing the front surface of the notebook computer host and used for collecting image information in front of the display screen 20, wherein the camera device may be a camera head, in an embodiment of the present invention, the detection unit 200 may be disposed in the camera device, or may be disposed on the display screen 20 as individual devices, and the position of the detection unit may be an environment in front of the detectable display screen 20.
in some embodiments , the circuit board 150 is connected to the control unit 300 via a USB bus, the probing unit 200 is also connected to the control unit 300 via a USB bus, and optionally, the circuit board 150 is a PCB.
Further , the control unit 300 is a CPU, which may be the main control CPU of a notebook computer.
As shown in FIG. 3, the backlight keyboard 100 further comprises a light guide plate 140, a light shielding sheet 130 and a spring sheet 160, wherein the light source is not shown in FIG. 3, and the light source can be designed according to the structure of the product without limiting the specific position thereof.
Each keys 120 include a top portion 121 and a pressing portion 122 connected to the top portion 121, the resilient tab 160 includes a pressed portion 161 corresponding to the pressing portion 122, the light guide plate 140 is provided with a light-emitting portion 141 on a side adjacent to the of the key 120, and the light-shielding sheet 130 is provided on a side of where the light-emitting portion 141 is located to shield components of the light-emitting portion 141 that do not require light to be emitted from the body, wherein, as shown in fig. 3, light-emitting holes 142 are provided at the edge of each keys 120.
, a pressing contact 162 is disposed on the inner surface of the pressed portion 161, a conductive contact 151 is disposed on the circuit board 150 at a position corresponding to the contact, and when the pressed portion 161 is pressed, the pressing contact 162 abuts against the conductive contact 151 to electrically connect the circuit on the circuit board 150.
, the keyboard further comprises a plurality of key caps 110, wherein the plurality of key caps 110 are disposed corresponding to the plurality of keys 120, and the key caps 110 cover the tops 121 of the keys 120.
in some embodiments , the light source used to backlight the keyboard 100 is a light emitting diode.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and implement the present invention accordingly, which can not limit the protection scope of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention shall fall within the scope of the claims of the present invention.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (10)
- The notebook computer capable of automatically switching on and off the keyboard light source comprises a notebook computer main body and a display screen movably connected with the notebook computer main body, and is characterized by also comprising a backlight keyboard arranged on the front side of the notebook computer main body, a detection unit and a control unit connected with the backlight keyboard and the detection unit;the backlight keyboard comprises a plurality of keys, a circuit board positioned below the keys and a plurality of light sources connected with the circuit board; the control unit is connected with the circuit board;the keys are used for electrically connecting the circuit on the circuit board and outputting pressing signals when sensing the key operation of a user; the control unit receives the pressing signal and the detection signal and outputs a control signal to a circuit board according to the pressing signal and the detection signal so as to turn on the plurality of light sources.
- 2. The notebook computer capable of automatically switching on and off the keyboard light source as claimed in claim 1, wherein the detection unit is disposed on the surface of the display screen facing the front surface of the notebook computer main body and is used for generating a detection signal.
- 3. The notebook computer capable of automatically switching on and off the keyboard light source as claimed in claim 1, further comprising a camera device arranged on the surface of the display screen facing the front surface of the notebook computer host and used for collecting image information in front of the display screen.
- 4. The notebook computer capable of automatically switching on and off the keyboard light source according to claim 3, wherein the detection unit comprises an infrared detector;the infrared detector is arranged in the camera device.
- 5. The notebook computer capable of automatically switching on and off the keyboard light source as claimed in claim 1, wherein the circuit board is connected with the control unit through a USB bus.
- 6. The notebook computer capable of automatically switching on and off the keyboard light source as claimed in claim 1, wherein the detection unit is connected with the control unit through a USB bus.
- 7. The notebook computer capable of automatically switching on and off the keyboard light source according to claim 1, wherein the backlight keyboard further comprises a light guide plate, a light shielding sheet and a spring sheet;each button includes the top and with the suppression portion that the top links to each other, the shell fragment includes the pressurized portion that corresponds the setting with suppression portion, the light guide plate is close to side of button is equipped with light-emitting portion, the anti-dazzling screen sets up in side that light-emitting portion is located to with light-emitting portion need go out the part of body light sheltering from.
- 8. The notebook computer capable of automatically switching on and off the keyboard light source as claimed in claim 7, wherein the inner surface of the pressed part is provided with a pressing contact, and the circuit board is provided with a conductive contact corresponding to the position of the contact;when the pressed part is pressed, the pressing contact is abutted to the conductive contact, so that the circuit on the circuit board is electrically connected.
- 9. The notebook computer capable of automatically switching on and off the keyboard light source according to claim 7, further comprising: the key caps are arranged corresponding to the keys, and the key caps cover the tops of the keys.
- 10. The notebook computer capable of automatically switching on and off the keyboard light source as claimed in claim 1, wherein the light source is a light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920857965.0U CN210005959U (en) | 2019-06-06 | 2019-06-06 | Notebook computer capable of automatically switching on and off keyboard light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920857965.0U CN210005959U (en) | 2019-06-06 | 2019-06-06 | Notebook computer capable of automatically switching on and off keyboard light source |
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| CN210005959U true CN210005959U (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920857965.0U Active CN210005959U (en) | 2019-06-06 | 2019-06-06 | Notebook computer capable of automatically switching on and off keyboard light source |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111816128A (en) * | 2020-07-22 | 2020-10-23 | Tcl空调器(中山)有限公司 | Remote controller, control method and device thereof, and storage medium |
| TWI809916B (en) * | 2021-10-27 | 2023-07-21 | 達方電子股份有限公司 | Sensing keyboard and sensing keyswitch thereof |
-
2019
- 2019-06-06 CN CN201920857965.0U patent/CN210005959U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111816128A (en) * | 2020-07-22 | 2020-10-23 | Tcl空调器(中山)有限公司 | Remote controller, control method and device thereof, and storage medium |
| TWI809916B (en) * | 2021-10-27 | 2023-07-21 | 達方電子股份有限公司 | Sensing keyboard and sensing keyswitch thereof |
| US12020873B2 (en) | 2021-10-27 | 2024-06-25 | Darfon Electronics Corp. | Sensing keyboard and sensing keyswitches thereof |
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