CN220821371U - Luminous key structure and touch-sensitive keyboard - Google Patents
Luminous key structure and touch-sensitive keyboard Download PDFInfo
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- CN220821371U CN220821371U CN202322256522.5U CN202322256522U CN220821371U CN 220821371 U CN220821371 U CN 220821371U CN 202322256522 U CN202322256522 U CN 202322256522U CN 220821371 U CN220821371 U CN 220821371U
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- 230000001795 light effect Effects 0.000 abstract description 7
- VTLYHLREPCPDKX-UHFFFAOYSA-N 1,2-dichloro-3-(2,3-dichlorophenyl)benzene Chemical compound ClC1=CC=CC(C=2C(=C(Cl)C=CC=2)Cl)=C1Cl VTLYHLREPCPDKX-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- VLLVVZDKBSYMCG-UHFFFAOYSA-N 1,3,5-trichloro-2-(2-chlorophenyl)benzene Chemical compound ClC1=CC(Cl)=CC(Cl)=C1C1=CC=CC=C1Cl VLLVVZDKBSYMCG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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- Input From Keyboards Or The Like (AREA)
Abstract
The utility model discloses a luminous key structure and a touch sensing keyboard, comprising a key main body, a key cap main body and a luminous device; the key cap main body comprises a first cap body and a second cap body, an installation cavity is formed between the top wall of the first cap body and the top wall of the second cap body, the light-emitting device is arranged in the installation cavity and comprises a control circuit board and light-emitting lamp beads, the light-emitting lamp beads are electrically connected with the control circuit board, light of the light-emitting lamp beads irradiates outwards through the second cap body, the bottom of the control circuit board is connected with a connecting wire, and the other end of the connecting wire downwards penetrates through the first cap body and the key main body; the control circuit board is provided with a touch control circuit, the touch control circuit is electrically connected with a capacitive sensing touch control piece, and the control circuit board drives the luminous lamp beads to emit light according to a pressing signal of the key main body or a touch control signal of the capacitive sensing touch control piece. The light guide structure is not required to be additionally arranged, the light-emitting lamp beads emit light when the key main body is knocked or touched, the light effect is better, and the touch control application of the light-emitting key structure is facilitated.
Description
Technical Field
The utility model relates to the technical field of keyboards, in particular to a luminous key structure and a touch sensing keyboard.
Background
The keyboard is the most commonly used and main input device, and English letters, chinese characters, numbers, punctuation marks and the like can be input into a computer through the keyboard, so that commands, input data and the like are sent to the computer, and also some keyboards with various shortcut keys are provided.
In the prior art, each key of the luminous keyboard is matched with a luminous lamp bead, and the luminous lamp beads of each key are controlled by a keyboard PCB (printed circuit board) together, so that the lights with the same or different colors can be simultaneously lightened at each key position on the whole keyboard, the luminous lamp beads can be controlled to realize the effects of stroboscopic, horse race lamps and the like, but the luminous lamp beads penetrate through the keys and are arranged on the keyboard PCB, light is required to be guided to the transparent positions of key caps of the keys, the effect loss is caused, the visual angle is limited, each key cap can only display a single color, and the lighting effect is poor; and, the luminous keyboard generally has 61 keys, 68 keys, 71 keys and the like, the practice of the keyboard is to realize some multimedia functions or macro functions through two or more combined keys, and operations such as page turning, rollback and the like need a mouse to operate when browsing web pages, so how to realize more shortcut functions on the keyboard more conveniently is an important research direction in the industry.
Therefore, a new solution is needed to solve the above problems.
Disclosure of utility model
In view of the above, the main object of the present utility model is to provide a light-emitting key structure and a touch-sensing keyboard, in which the light-emitting device is disposed on the key cap main body, the light-emitting device includes a control circuit board and light-emitting beads, and the touch-sensing circuit is disposed on the control circuit board, and is electrically connected with a capacitive sensing touch control, so as to realize smart combination of the capacitive sensing touch control and the light-emitting device, without connecting the touch-sensing circuit to the keyboard PCB board, the structure is smart, the control circuit board drives the light-emitting beads to emit light according to the pressing signal of the key main body or the touch signal of the capacitive sensing touch control, the light of the light-emitting beads emits light through the second cap body without additional light-guiding structure, and the light-emitting beads emit light when the key main body is knocked or touched.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
A luminous key structure comprises a key main body, a key cap main body and a luminous device, wherein the key cap main body is arranged at the top of the key main body;
The key cap main body comprises a first cap body and a second cap body sleeved outside the first cap body, the first cap body is arranged at the top of the key main body, an installation cavity is formed between the top wall of the first cap body and the top wall of the second cap body, the light-emitting device is arranged in the installation cavity and comprises a control circuit board and light-emitting lamp beads arranged at the top of the control circuit board, the light-emitting lamp beads are electrically connected with the control circuit board, the bottom of the control circuit board is connected with a connecting wire, and the other end of the connecting wire downwards penetrates through the first cap body and the key main body and is used for being electrically connected with a keyboard PCB;
The control circuit board is provided with a touch circuit, the touch circuit is electrically connected with a capacitive sensing touch control, the capacitive sensing touch control is arranged opposite to the top wall of the second cap body, the capacitive sensing touch control and the light-emitting device are combined ingeniously, the touch circuit is not required to be connected to a keyboard PCB (printed circuit board), the structure is ingenious, touch application of a light-emitting key structure is facilitated, the control circuit board drives the light-emitting lamp beads to emit light according to a pressing signal of a key main body or a touch signal of the capacitive sensing touch control, light of the light-emitting lamp beads irradiates outwards through the second cap body, an additional light guide structure is not required, the light-emitting lamp beads emit light when the key main body is knocked or touched, and the light effect is better.
As a preferred scheme, the luminous lamp pearl is equipped with a plurality of, and a plurality of luminous lamp pearl is around control circuit board's periphery is arranged, capacitive response touch control piece is located the regional that the luminous lamp pearl of a plurality of encloses and establishes, and the setting of a plurality of luminous lamp pearl can be so that to appear different light effects alone at the key cap main part.
As a preferable scheme, the plurality of light-emitting lamp beads are arranged at equal intervals on the periphery of the control circuit board.
As a preferable scheme, the luminous lamp beads are LEDs or Mini LEDs.
As a preferable scheme, the key main body comprises a shell and a pressing piece arranged in the shell, the top of the pressing piece is movably exposed out of the shell, and the first cap body is arranged at the top of the pressing piece;
the shell is provided with an avoidance position for the connecting wire to pass through, and the connecting wire passes through the shell through the avoidance position.
As a preferable scheme, the connecting wire is a flexible flat cable.
As a preferable scheme, the top wall of the first cap body is a plane, and the top wall of the second cap body is an arc surface.
A touch sensing keyboard comprises a keyboard shell, a keyboard PCB arranged in the keyboard shell and a plurality of luminous key structures arranged on the keyboard PCB; wherein:
The capacitive sensing touch control is electrically connected with the keyboard PCB through the touch control circuit, the keyboard PCB outputs control instructions according to touch control signals of more than two capacitive sensing touch control, so that the output terminal can execute the control instructions, the capacitive sensing touch control at different positions can be combined according to requirements, touch recognition of complex gesture actions such as left and right corners, circle drawing, fork drawing and wave drawing is achieved, and further different control instructions are output according to touch control operations of different gestures.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows:
The key cap is characterized in that the light-emitting device is arranged on the key cap main body and comprises a control circuit board and light-emitting lamp beads, the touch control circuit is arranged on the control circuit board and is electrically connected with a capacitive sensing touch control piece, the capacitive sensing touch control piece and the light-emitting device are combined ingeniously, the touch control circuit is not required to be connected to a keyboard PCB (printed circuit board) additionally, the structure is ingenious, the control circuit board drives the light-emitting lamp beads to emit light according to a pressing signal of the key main body or a touch signal of the capacitive sensing touch control piece, light of the light-emitting lamp beads irradiates outwards through the second cap body, a light guide structure is not required to be additionally arranged, the light-emitting lamp beads emit light when the key main body is knocked or touched, the light effect is better, and the capacitive sensing touch control piece is arranged, so that touch control application of the light-emitting key structure is facilitated.
In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic perspective view of a light-emitting key structure according to a preferred embodiment of the present utility model;
FIG. 2 is an exploded view of a light-emitting key structure according to a preferred embodiment of the present utility model;
FIG. 3 is an exploded view of another view of the light-emitting key structure according to the preferred embodiment of the present utility model;
FIG. 4 is a cross-sectional view of a light-emitting key structure according to a preferred embodiment of the present utility model;
FIG. 5 is a schematic perspective view of a touch-sensitive keyboard according to a preferred embodiment of the present utility model;
FIG. 6 is a control block diagram of a touch sensitive keyboard in accordance with a preferred embodiment of the present utility model.
The attached drawings are used for identifying and describing:
10. Key body 11, casing
12. Pressing piece 101, avoiding position
20. Key cap body 21, first cap body
22. Second cap 201, mounting cavity
30. Light emitting device 31 and control circuit board
32. Luminous lamp bead 33, connecting wire
34. Touch circuit 341 and capacitive sensing touch control
40. Keyboard PCB 50, output terminal.
Detailed Description
First, it should be noted that, in the description of the present utility model, the azimuth or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
Referring to fig. 1 to 6, a specific structure of a preferred embodiment of the present utility model is shown, which includes a key body 10, a key cap body 20 and a light emitting device 30.
The key cap main body 20 is arranged at the top of the key main body 10, the key cap main body 20 comprises a first cap body 21 and a second cap body 22 sleeved outside the first cap body 21, the first cap body 21 is arranged at the top of the key main body 10, and a mounting cavity 201 is formed between the top wall of the first cap body 21 and the top wall of the second cap body 22; specifically, the top wall of the first cap body 21 is a plane, the top wall of the second cap body 22 is a cambered surface, and the first cap body 21 and the second cap body 22 are cavities with open bottoms.
The key body 10 comprises a shell 11 and a pressing piece 12 arranged in the shell 11, the top of the pressing piece 12 is movably exposed out of the shell 11, the first cap 21 is arranged on the top of the pressing piece 12, and a avoidance position 101 for the connecting wire 33 to penetrate is arranged on the shell 11.
The light emitting device 30 is disposed in the mounting cavity 201, the light emitting device 30 includes a control circuit board 31 and a light emitting lamp bead 32 disposed on the top of the control circuit board 31, the light emitting lamp bead 32 is electrically connected to the control circuit board 31, a connection line 33 is connected to the bottom of the control circuit board 31, and the other end of the connection line 33 passes through the first cap 21 and the key main body 10 downward for being electrically connected to the keyboard PCB 40;
The control circuit board 31 is provided with a touch circuit 34, the touch circuit 34 is electrically connected with a capacitive sensing touch control 341, the capacitive sensing touch control 341 is arranged opposite to the top wall of the second cap body 22, the control circuit board 31 drives the light emitting lamp beads 32 to emit light according to a pressing signal 102 of the key main body 10 or a touch signal 301 of the capacitive sensing touch control 341, the light of the light emitting lamp beads 32 irradiates outwards through the second cap body 22, the light emitting lamp beads 32 are independently controlled, no additional light guide structure is required, the light emitting lamp beads 32 emit light when the key main body 10 is knocked or touched, the light effect is better, the capacitive sensing touch control 341 and the light emitting device 30 are skillfully combined, the touch control circuit 34 is not required to be connected to the keyboard PCB 40, the structure is ingenious, and the capacitive sensing touch control 341 is arranged on the key cap main body 20, so that the touch control operation of the light emitting key structure is facilitated;
The touch circuit 34 includes an MCU, a signal line and a power supply line, the capacitive sensing touch piece 341, the signal line and the power supply line are respectively electrically connected with the MCU, the other ends of the signal line and the power supply line are electrically connected with the control circuit board 31, the key main body 10 is electrically connected to the keyboard PCB 40 when in use, and the pressing signal 102 is transmitted to the control circuit board 31 through the keyboard PCB 40;
Specifically, the connecting wire 33 passes through the housing 11 via the avoidance site 101; the plurality of light emitting lamp beads 32 are arranged, the plurality of light emitting lamp beads 32 are arranged around the periphery of the control circuit board 31, the capacitive sensing touch control 341 is located in an area surrounded by the plurality of light emitting lamp beads 32, the plurality of light emitting lamp beads 32 can enable the key cap main body 20 to independently present different light effects, the second cap body 22 is provided with a light transmission area, the light of the light emitting lamp beads 32 irradiates outwards through the light transmission area, or the whole second cap body 22 can be made of transparent materials;
Preferably, the plurality of light emitting lamp beads 32 are arranged at equal intervals on the periphery of the control circuit board 31; the light emitting lamp beads 32 are LEDs or Mini LEDs, so that the control circuit board 31 can control the light emitting lamp beads 32 to emit lights with different colors, and the visual effect of the key main body 10 can be further improved by matching with the arrangement of a plurality of light emitting lamp beads 32; the connection line 33 is a flexible flat cable.
The luminous key structure is generally applied to a computer keyboard, and a touch sensing keyboard comprises a keyboard shell 11, a keyboard PCB 40 arranged in the keyboard shell 11 and a plurality of luminous key structures arranged on the keyboard PCB 40; wherein:
The capacitive touch sensing device 341 is electrically connected with the keyboard PCB 40 through the touch circuit 34, the keyboard PCB 40 outputs a manipulation command according to the touch signals 301 of more than two capacitive touch sensing devices 341, so that the output terminal 50 (e.g., a computer) can execute the manipulation command, and the capacitive touch sensing devices 341 at different positions can be combined as required, thereby realizing touch recognition of complex gesture actions such as left and right corners, circle drawing, fork drawing, wave shape and the like, and further realizing outputting different manipulation commands according to touch operations of different gestures, such as: when browsing web pages, operations such as Page turning, rollback, page Up, page Down and the like are performed, and some function keys and editing keys which are omitted, such as keys 61, 68 and 71 of the miniature keyboard, are omitted.
The design focus of the utility model is that:
The key cap is characterized in that the light-emitting device is arranged on the key cap main body and comprises a control circuit board and light-emitting lamp beads, the touch control circuit is arranged on the control circuit board and is electrically connected with a capacitive sensing touch control piece, the capacitive sensing touch control piece and the light-emitting device are combined ingeniously, the touch control circuit is not required to be connected to a keyboard PCB (printed circuit board) additionally, the structure is ingenious, the control circuit board drives the light-emitting lamp beads to emit light according to a pressing signal of the key main body or a touch signal of the capacitive sensing touch control piece, light of the light-emitting lamp beads irradiates outwards through the second cap body, a light guide structure is not required to be additionally arranged, the light-emitting lamp beads emit light when the key main body is knocked or touched, the light effect is better, and the capacitive sensing touch control piece is arranged, so that touch control application of the light-emitting key structure is facilitated.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model are still within the scope of the technical solutions of the present utility model.
Claims (8)
1. A luminous key structure comprises a key main body, a key cap main body and a luminous device, wherein the key cap main body is arranged at the top of the key main body; the method is characterized in that:
The key cap main body comprises a first cap body and a second cap body sleeved outside the first cap body, the first cap body is arranged at the top of the key main body, an installation cavity is formed between the top wall of the first cap body and the top wall of the second cap body, the light-emitting device is arranged in the installation cavity and comprises a control circuit board and light-emitting lamp beads arranged at the top of the control circuit board, the light-emitting lamp beads are electrically connected with the control circuit board, the bottom of the control circuit board is connected with a connecting wire, and the other end of the connecting wire downwards penetrates through the first cap body and the key main body and is used for being electrically connected with a keyboard PCB;
The control circuit board is provided with a touch control circuit, the touch control circuit is electrically connected with a capacitive sensing touch control piece, the capacitive sensing touch control piece is arranged opposite to the top wall of the second cap body, the control circuit board drives the luminous lamp beads to emit light according to a pressing signal of the key main body or a touch control signal of the capacitive sensing touch control piece, and light of the luminous lamp beads irradiates outwards through the second cap body.
2. The luminous key structure according to claim 1, wherein: the luminous lamp beads are arranged in a plurality, the luminous lamp beads surround the periphery of the control circuit board, and the capacitive sensing touch control part is located in an area surrounded by the luminous lamp beads.
3. The luminous key structure according to claim 2, wherein: the luminous lamp beads are arranged at the periphery of the control circuit board at equal intervals.
4. The luminous key structure according to claim 1, wherein: the luminous lamp beads are LEDs or Mini LEDs.
5. The luminous key structure according to claim 1, wherein: the key main body comprises a shell and a pressing piece arranged in the shell, the top of the pressing piece is movably exposed out of the shell, and the first cap body is arranged at the top of the pressing piece;
the shell is provided with an avoidance position for the connecting wire to pass through, and the connecting wire passes through the shell through the avoidance position.
6. The luminous key structure according to claim 1, wherein: the connecting wire is a soft flat cable.
7. The luminous key structure according to claim 1, wherein: the top wall of the first cap body is a plane, and the top wall of the second cap body is an arc surface.
8. A touch-sensitive keyboard, characterized in that: a luminous key structure as defined in any one of claims 1-6, comprising a keyboard housing, a keyboard PCB disposed within the keyboard housing, and a plurality of luminous keys disposed on the keyboard PCB; wherein:
the capacitive sensing touch control is electrically connected with the keyboard PCB through the touch control circuit, and the keyboard PCB outputs control instructions according to touch control signals of more than two capacitive sensing touch control, so that the output terminal can execute the control instructions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322256522.5U CN220821371U (en) | 2023-08-21 | 2023-08-21 | Luminous key structure and touch-sensitive keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322256522.5U CN220821371U (en) | 2023-08-21 | 2023-08-21 | Luminous key structure and touch-sensitive keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220821371U true CN220821371U (en) | 2024-04-19 |
Family
ID=90708293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322256522.5U Active CN220821371U (en) | 2023-08-21 | 2023-08-21 | Luminous key structure and touch-sensitive keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220821371U (en) |
-
2023
- 2023-08-21 CN CN202322256522.5U patent/CN220821371U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |