CN105245217B - With the keyboard and keyboard of area source - Google Patents
With the keyboard and keyboard of area source Download PDFInfo
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- CN105245217B CN105245217B CN201510791250.6A CN201510791250A CN105245217B CN 105245217 B CN105245217 B CN 105245217B CN 201510791250 A CN201510791250 A CN 201510791250A CN 105245217 B CN105245217 B CN 105245217B
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- light
- receiving element
- area source
- light receiving
- keyboard
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Abstract
With the keyboard of area source, including：Circuit board is provided with a mounting hole for providing circuit connection on circuit board；Light receiving element is placed in mounting hole side and and circuit board electrical connection；Area source, be set to circuit board below and and circuit board electrical connection, for light receiving element issue optical signal；Key base is packed into mounting hole, and top-down opening forms a guiding basket；Axis is pressed, is packed into guiding basket, is connect by a spring with the bottom of guiding basket by axis, and can be slided up and down along guiding basket；Keycap is set to above key base, and connect with by the top of axis；Light path switch, be set to key base in and with press axis connection；When sliding up and down by axis along guiding basket, light path switch can be moved relative to light receiving element, with the light-path between switching area source and light receiving element.Each key only needs one shared area source of light receiving element cooperation of respectively offer that key switch can be realized, and drastically reduces the assembling element of keyboard and key.
Description
Technical field
The present invention relates to press key input devices, specifically use the keyboard and keyboard of area source.
Background technique
Optical axis keyboard is novel keyboard in recent years, it is that completely new light is added on traditional mechanical key axis technical foundation
Induction identification technology is learned, is optical sensor component by replacing traditional contact plectrum, improvement conventional contact mechanical switch
Some problems.Specifically, the key of optical axis keyboard uses photocell and light receiving element, by blocking and being connected two
The light-path of person realizes key switch signal.
Usual each key can be adapted to a photocell and a light receiving element, i.e. photocell and light respectively
The quantity of receiving element is multiplied as the quantity of key on keyboard increases.This results in the assembling element of keyboard numerous,
The failure rate of element is also multiplied, and corresponding production cost and the cost of overhaul also increase.
Summary of the invention
In order to compensate for the shortcomings of the prior art, the present invention provides a kind of keyboards with area source, and using can
Using the area source shared with other keyboards as photocell, specific technical solution is as follows.
With the keyboard of area source, including：
Circuit board is provided with a mounting hole for providing circuit connection on circuit board；
Light receiving element is placed in mounting hole side and and circuit board electrical connection；
Area source, be set to circuit board below and and circuit board electrical connection, for light receiving element issue optical signal；
Key base is packed into mounting hole, and top-down opening forms a guiding basket；
Axis is pressed, is packed into guiding basket, is connect by a spring with the bottom of guiding basket by axis, and can be above and below guiding basket
Sliding；
Keycap is set to above key base, and connect with by the top of axis；
Light path switch, be set to key base in and with press axis connection；
When sliding up and down by axis along guiding basket, light path switch can be relative to light receiving element transient motion, with switching face
Light-path between light source and light receiving element.
According to same technical concept, the present invention also provides a kind of keyboard with area source, which has multiple keys
Disk key, and keyboard is the above-mentioned keyboard with area source, plurality of keyboard shares the same face light
Source.
With prior art ratio, the beneficial effects of the invention are as follows：
Using the area source that can be shared with other keyboards as photocell, therefore each key no longer needs
It is adapted to a photocell and a light receiving element respectively, it is only necessary to respectively provide the shared face of light receiving element cooperation
Key switch can be realized in light source, drastically reduces the assembling element of keyboard and key, and the failure rate of element is produced into
This and the cost of overhaul are greatly reduced；Meanwhile area source is also used as the keycap character lighting source of keyboard.
The present invention is described further with specific embodiment with reference to the accompanying drawings of the specification.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the keyboard of the invention with area source.
Fig. 2 is another structural schematic diagram of the keyboard of the invention with area source.
Fig. 3 is the another structural schematic diagram of the keyboard of the invention with area source.
Fig. 4 is the structural exploded view of the embodiment of the present invention one.
Fig. 5 is the usage state diagram of the embodiment of the present invention one.
Fig. 6 is another usage state diagram of the embodiment of the present invention one.
Fig. 7 is the structural schematic diagram by axis of the embodiment of the present invention one.
Fig. 8 is the structural exploded view of the embodiment of the present invention two.
Fig. 9 is the usage state diagram of the embodiment of the present invention two.
Figure 10 is another usage state diagram of the embodiment of the present invention two.
Figure 11 is the improvement structural schematic diagram of the light path switch of the embodiment of the present invention two.
Figure 12 is the improvement structural schematic diagram of the embodiment of the present invention two.
Figure 13 is the structural schematic diagram of the embodiment of the present invention three.
Specific embodiment
As depicted in figs. 1 and 2, with the keyboard of area source, basic structure includes：
Circuit board 1 is provided with a mounting hole 11 for providing circuit connection on circuit board 1；
Light receiving element 2 is placed in 11 side of mounting hole and is electrically connected with circuit board 1；
Area source 3 is set to 1 lower section of circuit board and is electrically connected with circuit board 1, for issuing optical signal to light receiving element 2；
Key base 4 is packed into mounting hole 11, and top-down opening forms a guiding basket 41；
Axis 5 is pressed, is packed into guiding basket 41, is connect by a spring with the bottom of guiding basket 41 by axis 5, and can be along guiding
Basket 41 slides up and down；
Keycap 6 is set to 4 top of key base, and connect with by the top of axis 5；
Light path switch 7 is connect in key base 4 and with by axis 5；
When sliding up and down by axis 5 along guiding basket 41, light path switch 7 can be moved relative to light receiving element 2, with switching
Light-path between area source 3 and light receiving element 2.
As shown in Figure 1, bouncing by axis 5, the light-path between area source 3 and light receiving element 2 is blocked by light path switch 7；
As shown in Fig. 2, pressing by axis 5, the light-path between area source 3 and light receiving element 2 is connected to by light path switch 7.
As shown in figure 3, area source 3 includes light guide plate 31 on the basis of above-mentioned basic structure, the bottom surface of light guide plate 31 is covered
There is reflective layer 32, the lateral edge of light guide plate 31 is additionally provided with one or more illuminators 33.
Here is two kinds of embodiments of the invention.
Embodiment one：
As shown in figure 4, light receiving element 2 is set to the bottom surface of circuit board 1 on the basis of above-mentioned basic structure；
Key base 4 has the cabin 42 being located above circuit board 1, cabin 42 in the side of adjacent light receiving element 2
Inner sidewall have be connected to guiding basket 41 tank 43.
Light path switch 7 is set in tank 43, has the actuation part 71 and occlusion part for being respectively placed in 1 upper and lower of circuit board
72, actuation part 71 struts part (being as shown in the figure pressure spring) by an elasticity and connect with the lateral wall of cabin 42, and actuation part
71 top and cabin 42 are pivotally connected, and occlusion part 72 covers light receiving element 2 to block its light-path between area source 3；Cabin
Body 42 can both block other light to jamming incoherent signal caused by light receiving element 2, moreover it is possible to prevent 2 dust stratification of light receiving element
Press the recessed portion that axis 5 in the side of adjacent light receiving element 2 there is the interior Slideslip for light path switch 7 to be embedded in
51。
As shown in figure 5, bouncing by axis 5, recessed portion 51 instantaneously rises, and the inside of light path switch 7 is forced to skid off recessed portion 51,
The actuation part 71 of light path switch 7 overcomes elasticity to strut part to the instantaneously deflection of light receiving element 2, and occlusion part 72 covers light receiving element
2 to block its light-path between area source 3；
As shown in fig. 6, pressing by axis 5, recessed portion 51 instantaneously declines, and the actuation part 71 of light path switch 7 struts part in elasticity
Effect is lower instantaneously to be deflected backwards to receiving element 2, forces the inside of light path switch 7 to slide into recessed portion 51, occlusion part 72 no longer covers
Light receiving element 2 is to be connected to its light-path between area source 3.
The present embodiment further improves the medial surface 73 as shown in fig. 7, light path switch 7, and its underpart has inner chamfer shape
At inclined-plane 74, the shape of recessed portion 51 just matches with the medial surface 73 of light path switch 7 and inclined-plane 74.
Embodiment two：
As shown in figure 8, light path switch 7 is one and is set to by the light guide in axis 5 on the basis of above-mentioned basic structure,
Its bottom surface has the light incident surface 74 cooperated with the top surface of light guide plate 3, and the side of the adjacent light receiving element 2 in top has and light
The light emergence face 75 that receiving element 2 cooperates；
The bottom for guiding basket 41 has an opening 44 passed through for the light incident surface 74 of light path switch 7；
The side wall of the adjacent light receiving element 7 of key base 4 has the window cooperated for light emergence face 75 and light receiving element 2
45。
As shown in figure 9, bouncing by axis 5, light path switch 7 instantaneously rises, and 75 upward sliding of light emergence face leaves window 45, with
Block the light-path between light receiving element 2 and area source 3；
As shown in Figure 10, it is pressed by axis 5, light path switch 7 instantaneously declines, and light incident surface 74 passes through 44 contact area source of opening
3, light emergence face 75 slides down to window 45, and light path switch 7 is by light incident surface 74 and light emergence face 75 in light-receiving at this time
Light-path is formed between element 2 and area source 3.
As an improvement of this embodiment, light path switch 7 is integrally formed with axis 5 is pressed, by 5 entire body of axis using guide-lighting material
It is made.Entire body leaded light presses axis 5, can be preferably by the light guide of area source 3 to keycap 6, as keycap character lighting source.
As an improvement of this embodiment, as shown in figure 11, light path switch 7 is a light-guiding pillar, and top has will
The light that light incident surface enters is reflected into the reflecting surface 76 of light emergence face.
As an improvement of this embodiment, as shown in figure 12, key base 4 has in the side of adjacent light receiving element 2
The shielding cavity 46 of one mask light receiving element 2, can both block other light to jamming incoherent signal caused by light receiving element 2,
It can also prevent 2 dust stratification of light receiving element.
As an improvement of this embodiment, as shown in figure 12, light receiving element 2 is set to the top surface of circuit board 1.
Embodiment three:
As shown in figure 13, with the keyboard of area source, there are multiple keyboards 8, keyboard 8 is other two kinds implementations
The keyboard of area source is used in example, plurality of keyboard 8 shares the same area source 3A.
For those skilled in the art, revealed structure and principle various other phases can be obtained according to the present invention
The change and deformation answered, and all these change and deformation belongs to protection category of the invention.
Claims (7)
1. with the keyboard of area source, which is characterized in that including：
Circuit board is provided with a mounting hole for providing circuit connection on circuit board；
Light receiving element is placed in mounting hole side and and circuit board electrical connection；
Area source, be set to circuit board below and and circuit board electrical connection, for light receiving element issue optical signal；
Key base is packed into mounting hole, and top-down opening forms a guiding basket；
Axis is pressed, is packed into guiding basket, is connect by a spring with the bottom of guiding basket by axis, and can glide on guiding basket
It is dynamic；
Keycap is set to above key base, and connect with by the top of axis；
Light path switch, be set to key base in and with press axis connection；
When sliding up and down by axis along guiding basket, light path switch can be relative to light receiving element transient motion, with switching area source
Light-path between light receiving element；
Light receiving element is set to the bottom surface of circuit board；
Key base has the cabin for being located at circuit board in the side of adjacent light receiving element, and the inner sidewall of cabin has
It is connected to the tank of guiding basket；
Light path switch is set in tank, has the actuation part and occlusion part for being respectively placed in circuit board upper and lower, and actuation part passes through
One elasticity struts part and the lateral wall of cabin connects, and the top of actuation part and cabin are pivotally connected, and occlusion part covers light-receiving
Element is to block its light-path between area source；
Press the recessed portion that axis in the side of adjacent light receiving element there is the interior Slideslip for light path switch to be embedded in；
The medial surface of light path switch, the inclined-plane that there is inner chamfer to be formed for its underpart, the shape of recessed portion are just interior with light path switch
Side and inclined-plane matching；
Key base has the shielding cavity of a mask light receiving element in the side of adjacent light receiving element.
2. using the keyboard of area source as described in claim 1, it is characterised in that：Area source includes light guide plate, guide-lighting
The bottom surface of plate is covered with reflective layer, and the lateral edge of light guide plate is additionally provided with one or more illuminators.
3. using the keyboard of area source as claimed in claim 2, it is characterised in that：
Light path switch is one and is set to by the light guide in axis that bottom surface has the light incident surface cooperated with the top surface of light guide plate,
The side of its adjacent light receiving element in top has the light emergence face cooperated with light receiving element；
The bottom for guiding basket has an opening passed through for the light incident surface of light path switch；
The side wall of the adjacent light receiving element of key base has the window for light emergence face and light receiving element cooperation.
4. using the keyboard of area source as claimed in claim 3, it is characterised in that：Light path switch and press axis one at
Type is made by axis entire body of guide-lighting material.
5. using the keyboard of area source as claimed in claim 3, it is characterised in that：Light path switch is a light-guiding pillar,
Its top has the reflecting surface that the light that light incident surface enters is reflected into light emergence face.
6. using the keyboard of area source as claimed in claim 3, it is characterised in that：Light receiving element is set to circuit board
Top surface.
7. there are multiple keyboards, which is characterized in that keyboard is that claims 1 to 6 is any with the keyboard of area source
The keyboard with area source described in, multiple keyboards share the same area source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510791250.6A CN105245217B (en) | 2015-11-17 | 2015-11-17 | With the keyboard and keyboard of area source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510791250.6A CN105245217B (en) | 2015-11-17 | 2015-11-17 | With the keyboard and keyboard of area source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105245217A CN105245217A (en) | 2016-01-13 |
| CN105245217B true CN105245217B (en) | 2018-11-30 |
Family
ID=55042742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510791250.6A Active CN105245217B (en) | 2015-11-17 | 2015-11-17 | With the keyboard and keyboard of area source |
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| Country | Link |
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| CN (1) | CN105245217B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105577157B (en) * | 2016-03-21 | 2018-12-04 | 郝小妮 | A kind of split type double light path key switch and mechanical keyboard |
| CN109478887B (en) * | 2016-03-30 | 2022-07-12 | 陈�峰 | Optical switch device with blocking body and blocking action space |
| CN108899229B (en) * | 2018-07-18 | 2023-07-21 | 惠州冠泰电子有限公司 | Independent pressing shaft with sound and light sensing ultrathin keyboard |
| CN111463053A (en) * | 2020-04-07 | 2020-07-28 | 东莞伍联电子科技有限公司 | Photoelectric switch key and keyboard |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101247120A (en) * | 2008-03-07 | 2008-08-20 | 李玉平 | Press keys for coal mine information device |
| CN204539108U (en) * | 2015-02-27 | 2015-08-05 | 东莞市长资实业有限公司 | A kind of photoelectric integral type mechanical axis keyboard switch module |
| CN105006396A (en) * | 2015-07-13 | 2015-10-28 | 东莞市美光达光学科技有限公司 | Switch module of ultrathin reflective computer input equipment |
| CN205179013U (en) * | 2015-11-17 | 2016-04-20 | 陈爱华 | Keyboard button and keyboard of application area source |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7086768B2 (en) * | 2003-06-20 | 2006-08-08 | Matsushita Electric Industrial Co., Ltd. | Illumination device and illuminated input device |
-
2015
- 2015-11-17 CN CN201510791250.6A patent/CN105245217B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101247120A (en) * | 2008-03-07 | 2008-08-20 | 李玉平 | Press keys for coal mine information device |
| CN204539108U (en) * | 2015-02-27 | 2015-08-05 | 东莞市长资实业有限公司 | A kind of photoelectric integral type mechanical axis keyboard switch module |
| CN105006396A (en) * | 2015-07-13 | 2015-10-28 | 东莞市美光达光学科技有限公司 | Switch module of ultrathin reflective computer input equipment |
| CN205179013U (en) * | 2015-11-17 | 2016-04-20 | 陈爱华 | Keyboard button and keyboard of application area source |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105245217A (en) | 2016-01-13 |
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